Page last updated: 2024-12-10

endomorphin 2

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Description

endomorphin 2: isolated from bovine brain [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID5311081
CHEMBL ID333357
MeSH IDM0274738

Synonyms (31)

Synonym
endomorphin-2 ,
endomorphin 2
NCGC00163677-01
NCGC00163677-02
l-tyrosyl-l-prolyl-l-phenylalanyl-l-phenylalaninamide
tetrapeptide-15
l-tyrosyl-l-prolyl-l-phenylalanyl-l-phenylalaninamide, (-)-
tyrosyl-prolyl-phenylalanyl-phenylalaninamide
tyr-pro-phe-phe-nh2
l-phenylalaninamide, l-tyrosyl-l-prolyl-l-phenylalanyl-
bdbm50139013
(s)-1-[(s)-2-amino-3-(4-hydroxy-phenyl)-propionyl]-pyrrolidine-2-carboxylic acid [(s)-1-((s)-1-carbamoyl-2-phenyl-ethylcarbamoyl)-2-phenyl-ethyl]-amide
1-[(s)-2-amino-3-(4-hydroxy-phenyl)-propionyl]-pyrrolidine-2-carboxylicacid[1-((s)-(s)-1-carbamoyl-2-phenyl-ethylcarbamoyl)-2-phenyl-ethyl]-amide
(s)-n-((s)-1-((s)-1-amino-1-oxo-3-phenylpropan-2-ylamino)-1-oxo-3-phenylpropan-2-yl)-1-((s)-2-amino-3-(4-hydroxyphenyl)propanoyl)pyrrolidine-2-carboxamide
h-tyr-pro-phe-phe-nh2
CHEMBL333357 ,
(2s)-1-[(2s)-2-amino-3-(4-hydroxyphenyl)propanoyl]-n-[(2s)-1-[[(2s)-1-amino-1-oxo-3-phenylpropan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]pyrrolidine-2-carboxamide
141801-26-5
gtpl3668
tetrapeptide-15 [inci]
3PH5M0466G ,
l-phenylalaninamide,l-tyrosyl-l-prolyl-l-phenylalanyl-
DTXSID70415506
AKOS024456356
unii-3ph5m0466g
(2s)-2-{[(2s)-1-[(2s)-2-amino-3-(4-hydroxyphenyl)propanoyl]pyrrolidin-2-yl]formamido}-n-[(1s)-1-carbamoyl-2-phenylethyl]-3-phenylpropanamide
HY-P0186
c32h37n5o5
HB2411
Q19597070
(s)-1-(l-tyrosyl)-n-((s)-1-(((s)-1-amino-1-oxo-3-phenylpropan-2-yl)amino)-1-oxo-3-phenylpropan-2-yl)pyrrolidine-2-carboxamide

Research Excerpts

Overview

Endomorphin 2 is a newly discovered peptide that has high affinity and specificity for the mu-opioid receptor.

ExcerptReferenceRelevance
"Endomorphin 2 is a newly discovered peptide that has high affinity and specificity for the mu-opioid receptor. "( Morphological evidence of endomorphin as an agonist for the mu-opioid receptor in the rat spinal cord.
Guan, JL; Shioda, S; Wang, QP; Zadina, JE, 2003
)
1.76

Actions

ExcerptReferenceRelevance
"Endomorphin 2 (EM2) plays essential roles in regulating nociceptive transmission within the spinal dorsal horn, where EM2-immunopositive (EM2-IP) fibers and terminals are densely encountered. "( Origins of endomorphin-2 immunopositive fibers and terminals in the spinal dorsal horn of the rat.
Chen, T; Hui, R; Li, H; Li, YQ; Lü, BC; Wang, W; Wu, SX; Zhang, T, 2010
)
1.8

Compound-Compound Interactions

ExcerptReferenceRelevance
"The cyclization of linear analogs based on endomorphin-2 structure, Tyr/Dmt-d-Lys-Phe-Phe-Asp-NH2 and Tyr/Dmt-d-Cys-Phe-Phe-Cys-NH2 (where Dmt=2',6'-dimethyltyrosine), resulting in obtaining lactam or disulfide derivatives, was studied using liquid chromatography combined with on-line mass spectrometry (LC-MS) and tandem mass spectrometry (LC-MS/MS)."( Cyclic pentapeptide analogs based on endomorphin-2 structure: cyclization studies using liquid chromatography combined with on-line mass spectrometry and tandem mass spectrometry.
Janecka, A; Kluczyk, A; Perlikowska, R; Piekielna, J, 2014
)
0.4

Bioavailability

ExcerptReferenceRelevance
" Our results demonstrate that cyclization might be a promising strategy to enhance bioavailability of peptides and may serve a role in the development of novel endomorphin analogs with increased therapeutic potential."( Synthesis and biological evaluation of cyclic endomorphin-2 analogs.
Cravezic, A; do-Rego, JC; Fichna, J; Janecka, A; Perlikowska, R; Toth, G; Wyrebska, A, 2010
)
0.36
" Furthermore, the described methodology may be useful for increasing the bioavailability and delivery of opioid peptides to the CNS."( Novel glycosylated endomorphin-2 analog produces potent centrally-mediated antinociception in mice after peripheral administration.
Chen, C; Fichna, J; Grzywacz, D; Janecka, A; Kamysz, W; Mazur, M; Olczak, J; Perlikowska, R; Piekielna, J; Sałaga, M; Sobczak, M; Toth, G, 2013
)
0.39
" Although, additional structural modifications are needed to achieve compounds exhibiting high/fair bioavailability after oral administration, the examples presented herein demonstrate that the bioactive peptides SP(1-7) and endomorphin-2 can be converted into low molecular weight compounds that are able to mimic the in vivo actions of the heptapeptide SP(1-7)."( From the Anti-Nociceptive Substance P Metabolite Substance P (1-7) to Small Peptidomimetics.
Hallberg, M; Sandstrom, A, 2018
)
0.48

Dosage Studied

ExcerptRelevanceReference
" Endomorphin-1 potentiated viral expression, in a bell-shaped dose-response manner with maximal enhancement approximately equal to 35% at 10(-10) M, in both mixed glial/neuronal cell and purified microglial cell cultures."( Endomorphin-1 potentiates HIV-1 expression in human brain cell cultures: implication of an atypical mu-opioid receptor.
Chao, CC; Gekker, G; Hu, S; Lokensgard, J; Peterson, PK; Portoghese, PS, 1999
)
0.3
" The dose-response curves revealed the development of acute tolerance (tachyphylaxis) to endomorphin."( Antinociceptive effects of intrathecal endomorphin-1 and -2 in rats.
Benedek, G; Horvath, G; Szikszay, M; Tömböly, C, 1999
)
0.3
") that was inactive against DAMGO, did not affect endomorphin-1-induced antinociception but shifted the dose-response curve of endomorphin-2 3-fold to the right."( Differential antagonism of endomorphin-1 and endomorphin-2 spinal antinociception by naloxonazine and 3-methoxynaltrexone.
Fujimura, T; Hayashi, T; Kastin, AJ; Murayama, K; Sakurada, C; Sakurada, S; Sakurada, T; Takeshita, M; Yonezawa, A; Yuhki, M; Zadina, JE, 2000
)
0.31
"25-1 microg) significantly increased both the locomotor and the rearing activity, resulting in a bell-shaped dose-response curve."( Behavioral and neuroendocrine actions of endomorphin-2.
Bujdosó, E; Jászberényi, M; Telegdy, G; Tömböly, C; Tóth, G, 2001
)
0.31
" A 2-h pretreatment with endomorphin-1 (30 nmol) produced a 3-fold shift to the right in the dose-response curve for endomorphin-1."( Acute antinociceptive tolerance and asymmetric cross-tolerance between endomorphin-1 and endomorphin-2 given intracerebroventricularly in the mouse.
Fujimoto, JM; Hung, KC; Mizoguchi, H; Tseng, LF; Wu, HE, 2001
)
0.31
" and co-administration of 3-methylnaltrexone shifted the dose-response curves for endomorphin-2 induced antinociception to the right by 4-fold."( Differential antagonism of endomorphin-1 and endomorphin-2 supraspinal antinociception by naloxonazine and 3-methylnaltrexone.
Fujimura, T; Hayashi, T; Kastin, AJ; Murayama, K; Sakurada, C; Sakurada, S; Sakurada, T; Sato, T; Takeshita, M; Yonezawa, A; Yuhki, M; Zadina, JE, 2002
)
0.31
"924 nM)] and with a correlation between delta-opioid receptor affinities and functional bioactivity using MVD; (iii) intracerebroventricular administration of [Dmt(1)]- (14) and [Det(1)]EM-2 (10) produced a dose-response antinociception in mice, with the former analogue more active than the latter; and (iv) a marked shift occurred from the trans-orientation at the Tyr(1)-Pro(2) bond to a cis-conformer compared to that observed previously with [Dmt(1)]EM-2 (14) (Okada et al."( Development of potent mu-opioid receptor ligands using unique tyrosine analogues of endomorphin-2.
Ambo, A; Bryant, SD; Fujita, Y; Jinsmaa, Y; Lazarus, LH; Li, T; Miyazaki, A; Okada, Y; Sasaki, Y; Tsuda, Y, 2005
)
0.33
" Endomorphin-1, endomorphin-2 and deltorphin I at the dosage of 1, 10, 100 nmol/embryo could stimulate angiogenesis dose-dependently, respectively."( Endogenous opioid peptides, endomorphin-1 and -2 and deltorphin I, stimulate angiogenesis in the CAM assay.
Cui, SG; Dai, X; Liu, Q; Song, HJ; Wang, R; Wang, T, 2008
)
0.35
" In several situations, including clinical depression, MIF-1 exhibits an inverted U-shaped dose-response relationship in which increasing doses can result in decreasing effects."( From MIF-1 to endomorphin: the Tyr-MIF-1 family of peptides.
Kastin, AJ; Pan, W, 2007
)
0.34
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Protein Targets (11)

Potency Measurements

ProteinTaxonomyMeasurementAverage (µ)Min (ref.)Avg (ref.)Max (ref.)Bioassay(s)
regulator of G-protein signaling 4Homo sapiens (human)Potency0.08440.531815.435837.6858AID504845
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Inhibition Measurements

ProteinTaxonomyMeasurementAverageMin (ref.)Avg (ref.)Max (ref.)Bioassay(s)
Delta-type opioid receptorMus musculus (house mouse)IC50 (µMol)255.02410.00010.729810.0000AID242323; AID426389
Delta-type opioid receptorRattus norvegicus (Norway rat)Ki8.03850.00000.60689.2330AID1196465; AID149671; AID149817; AID1667818; AID1807959; AID1872038; AID238805; AID268520; AID339692; AID705242; AID770994
Mu-type opioid receptorRattus norvegicus (Norway rat)IC50 (µMol)0.00100.00010.887410.0000AID635905
Mu-type opioid receptorRattus norvegicus (Norway rat)Ki0.00460.00000.38458.6000AID1196464; AID151610; AID151770; AID151771; AID1667817; AID1807958; AID1872037; AID238756; AID239609; AID268517; AID312059; AID339690; AID339691; AID705243; AID770995
Kappa-type opioid receptorRattus norvegicus (Norway rat)Ki6.67020.00000.18683.9500AID148592; AID1667819; AID1807960
Mu-type opioid receptorHomo sapiens (human)Ki0.00590.00000.419710.0000AID1129801; AID148592; AID1600055; AID266691; AID449582; AID698507; AID760561
Delta-type opioid receptorHomo sapiens (human)Ki3.40300.00000.59789.9300AID1129825; AID148592; AID1600056; AID698508; AID760560
Kappa-type opioid receptorCavia porcellus (domestic guinea pig)IC50 (µMol)1.00000.00030.71237.0700AID1173781
Kappa-type opioid receptorCavia porcellus (domestic guinea pig)Ki2.70800.00000.20186.4240AID1196466
Kappa-type opioid receptorHomo sapiens (human)Ki1.15130.00000.362410.0000AID148592; AID1600057; AID1872033; AID703060
Mu-type opioid receptorMus musculus (house mouse)IC50 (µMol)0.02410.00081.699210.0000AID151138
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Activation Measurements

ProteinTaxonomyMeasurementAverageMin (ref.)Avg (ref.)Max (ref.)Bioassay(s)
Mu-type opioid receptorRattus norvegicus (Norway rat)EC50 (µMol)0.53900.00000.06470.9320AID277680; AID339695
Mu-type opioid receptorHomo sapiens (human)EC50 (µMol)0.02020.00000.32639.4000AID1229433; AID1275489; AID1536311; AID1600059; AID1667820; AID1807965; AID1872039; AID1872048; AID277678; AID314189; AID698512
Delta-type opioid receptorHomo sapiens (human)EC50 (µMol)1.00000.00000.43328.3000AID277680; AID314190
Mu-type opioid receptorCavia porcellus (domestic guinea pig)EC50 (µMol)1.00000.00000.04930.9320AID277680
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Biological Processes (52)

Processvia Protein(s)Taxonomy
G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messengerMu-type opioid receptorHomo sapiens (human)
adenylate cyclase-inhibiting G protein-coupled acetylcholine receptor signaling pathwayMu-type opioid receptorHomo sapiens (human)
phospholipase C-activating G protein-coupled receptor signaling pathwayMu-type opioid receptorHomo sapiens (human)
sensory perceptionMu-type opioid receptorHomo sapiens (human)
negative regulation of cell population proliferationMu-type opioid receptorHomo sapiens (human)
sensory perception of painMu-type opioid receptorHomo sapiens (human)
G protein-coupled opioid receptor signaling pathwayMu-type opioid receptorHomo sapiens (human)
behavioral response to ethanolMu-type opioid receptorHomo sapiens (human)
positive regulation of neurogenesisMu-type opioid receptorHomo sapiens (human)
negative regulation of Wnt protein secretionMu-type opioid receptorHomo sapiens (human)
positive regulation of ERK1 and ERK2 cascadeMu-type opioid receptorHomo sapiens (human)
calcium ion transmembrane transportMu-type opioid receptorHomo sapiens (human)
cellular response to morphineMu-type opioid receptorHomo sapiens (human)
regulation of cellular response to stressMu-type opioid receptorHomo sapiens (human)
regulation of NMDA receptor activityMu-type opioid receptorHomo sapiens (human)
neuropeptide signaling pathwayMu-type opioid receptorHomo sapiens (human)
immune responseDelta-type opioid receptorHomo sapiens (human)
G protein-coupled receptor signaling pathwayDelta-type opioid receptorHomo sapiens (human)
G protein-coupled receptor signaling pathway, coupled to cyclic nucleotide second messengerDelta-type opioid receptorHomo sapiens (human)
adenylate cyclase-inhibiting G protein-coupled receptor signaling pathwayDelta-type opioid receptorHomo sapiens (human)
phospholipase C-activating G protein-coupled receptor signaling pathwayDelta-type opioid receptorHomo sapiens (human)
adult locomotory behaviorDelta-type opioid receptorHomo sapiens (human)
negative regulation of gene expressionDelta-type opioid receptorHomo sapiens (human)
negative regulation of protein-containing complex assemblyDelta-type opioid receptorHomo sapiens (human)
positive regulation of CREB transcription factor activityDelta-type opioid receptorHomo sapiens (human)
positive regulation of peptidyl-serine phosphorylationDelta-type opioid receptorHomo sapiens (human)
response to nicotineDelta-type opioid receptorHomo sapiens (human)
G protein-coupled opioid receptor signaling pathwayDelta-type opioid receptorHomo sapiens (human)
eating behaviorDelta-type opioid receptorHomo sapiens (human)
regulation of mitochondrial membrane potentialDelta-type opioid receptorHomo sapiens (human)
regulation of calcium ion transportDelta-type opioid receptorHomo sapiens (human)
cellular response to growth factor stimulusDelta-type opioid receptorHomo sapiens (human)
cellular response to hypoxiaDelta-type opioid receptorHomo sapiens (human)
cellular response to toxic substanceDelta-type opioid receptorHomo sapiens (human)
neuropeptide signaling pathwayDelta-type opioid receptorHomo sapiens (human)
immune responseKappa-type opioid receptorHomo sapiens (human)
adenylate cyclase-inhibiting G protein-coupled receptor signaling pathwayKappa-type opioid receptorHomo sapiens (human)
phospholipase C-activating G protein-coupled receptor signaling pathwayKappa-type opioid receptorHomo sapiens (human)
chemical synaptic transmissionKappa-type opioid receptorHomo sapiens (human)
sensory perceptionKappa-type opioid receptorHomo sapiens (human)
locomotory behaviorKappa-type opioid receptorHomo sapiens (human)
sensory perception of painKappa-type opioid receptorHomo sapiens (human)
adenylate cyclase-inhibiting opioid receptor signaling pathwayKappa-type opioid receptorHomo sapiens (human)
response to insulinKappa-type opioid receptorHomo sapiens (human)
positive regulation of dopamine secretionKappa-type opioid receptorHomo sapiens (human)
negative regulation of luteinizing hormone secretionKappa-type opioid receptorHomo sapiens (human)
response to nicotineKappa-type opioid receptorHomo sapiens (human)
G protein-coupled opioid receptor signaling pathwayKappa-type opioid receptorHomo sapiens (human)
maternal behaviorKappa-type opioid receptorHomo sapiens (human)
eating behaviorKappa-type opioid receptorHomo sapiens (human)
response to estrogenKappa-type opioid receptorHomo sapiens (human)
estrous cycleKappa-type opioid receptorHomo sapiens (human)
response to ethanolKappa-type opioid receptorHomo sapiens (human)
regulation of saliva secretionKappa-type opioid receptorHomo sapiens (human)
behavioral response to cocaineKappa-type opioid receptorHomo sapiens (human)
sensory perception of temperature stimulusKappa-type opioid receptorHomo sapiens (human)
defense response to virusKappa-type opioid receptorHomo sapiens (human)
cellular response to lipopolysaccharideKappa-type opioid receptorHomo sapiens (human)
cellular response to glucose stimulusKappa-type opioid receptorHomo sapiens (human)
positive regulation of p38MAPK cascadeKappa-type opioid receptorHomo sapiens (human)
positive regulation of potassium ion transmembrane transportKappa-type opioid receptorHomo sapiens (human)
response to acrylamideKappa-type opioid receptorHomo sapiens (human)
positive regulation of eating behaviorKappa-type opioid receptorHomo sapiens (human)
conditioned place preferenceKappa-type opioid receptorHomo sapiens (human)
neuropeptide signaling pathwayKappa-type opioid receptorHomo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Molecular Functions (12)

Processvia Protein(s)Taxonomy
G-protein alpha-subunit bindingMu-type opioid receptorHomo sapiens (human)
G protein-coupled receptor activityMu-type opioid receptorHomo sapiens (human)
beta-endorphin receptor activityMu-type opioid receptorHomo sapiens (human)
voltage-gated calcium channel activityMu-type opioid receptorHomo sapiens (human)
protein bindingMu-type opioid receptorHomo sapiens (human)
morphine receptor activityMu-type opioid receptorHomo sapiens (human)
G-protein beta-subunit bindingMu-type opioid receptorHomo sapiens (human)
neuropeptide bindingMu-type opioid receptorHomo sapiens (human)
G protein-coupled opioid receptor activityDelta-type opioid receptorHomo sapiens (human)
protein bindingDelta-type opioid receptorHomo sapiens (human)
receptor serine/threonine kinase bindingDelta-type opioid receptorHomo sapiens (human)
G protein-coupled enkephalin receptor activityDelta-type opioid receptorHomo sapiens (human)
neuropeptide bindingDelta-type opioid receptorHomo sapiens (human)
G protein-coupled opioid receptor activityKappa-type opioid receptorHomo sapiens (human)
protein bindingKappa-type opioid receptorHomo sapiens (human)
receptor serine/threonine kinase bindingKappa-type opioid receptorHomo sapiens (human)
dynorphin receptor activityKappa-type opioid receptorHomo sapiens (human)
neuropeptide bindingKappa-type opioid receptorHomo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Ceullar Components (23)

Processvia Protein(s)Taxonomy
endosomeMu-type opioid receptorHomo sapiens (human)
endoplasmic reticulumMu-type opioid receptorHomo sapiens (human)
Golgi apparatusMu-type opioid receptorHomo sapiens (human)
plasma membraneMu-type opioid receptorHomo sapiens (human)
axonMu-type opioid receptorHomo sapiens (human)
dendriteMu-type opioid receptorHomo sapiens (human)
perikaryonMu-type opioid receptorHomo sapiens (human)
synapseMu-type opioid receptorHomo sapiens (human)
plasma membraneMu-type opioid receptorHomo sapiens (human)
neuron projectionMu-type opioid receptorHomo sapiens (human)
plasma membraneDelta-type opioid receptorHomo sapiens (human)
synaptic vesicle membraneDelta-type opioid receptorHomo sapiens (human)
dendrite membraneDelta-type opioid receptorHomo sapiens (human)
presynaptic membraneDelta-type opioid receptorHomo sapiens (human)
axon terminusDelta-type opioid receptorHomo sapiens (human)
spine apparatusDelta-type opioid receptorHomo sapiens (human)
postsynaptic density membraneDelta-type opioid receptorHomo sapiens (human)
neuronal dense core vesicleDelta-type opioid receptorHomo sapiens (human)
plasma membraneDelta-type opioid receptorHomo sapiens (human)
neuron projectionDelta-type opioid receptorHomo sapiens (human)
nucleoplasmKappa-type opioid receptorHomo sapiens (human)
mitochondrionKappa-type opioid receptorHomo sapiens (human)
cytosolKappa-type opioid receptorHomo sapiens (human)
plasma membraneKappa-type opioid receptorHomo sapiens (human)
membraneKappa-type opioid receptorHomo sapiens (human)
sarcoplasmic reticulumKappa-type opioid receptorHomo sapiens (human)
T-tubuleKappa-type opioid receptorHomo sapiens (human)
dendriteKappa-type opioid receptorHomo sapiens (human)
synaptic vesicle membraneKappa-type opioid receptorHomo sapiens (human)
presynaptic membraneKappa-type opioid receptorHomo sapiens (human)
perikaryonKappa-type opioid receptorHomo sapiens (human)
axon terminusKappa-type opioid receptorHomo sapiens (human)
postsynaptic membraneKappa-type opioid receptorHomo sapiens (human)
plasma membraneKappa-type opioid receptorHomo sapiens (human)
neuron projectionKappa-type opioid receptorHomo sapiens (human)
plasma membraneMu-type opioid receptorMus musculus (house mouse)
[Information is prepared from geneontology information from the June-17-2024 release]

Bioassays (279)

Assay IDTitleYearJournalArticle
AID1807963Inhibition of electric-field induced guinea pig ileum contraction2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID1808010Chronic antinociceptive tolerance in Kunming mouse pretreated with compound followed by repeated compound addition at 20 nmol, icv once daily for 7 days and measured after 5 mins by radiant heat paw withdrawal test2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID312061Agonist activity at human mu opioid receptor expressed in CHO cells assessed as maximal stimulation of [35S]GTP-gamma-S binding relative to basal level2008Journal of medicinal chemistry, Jan-10, Volume: 51, Issue:1
Endomorphin-2 with a beta-turn backbone constraint retains the potent micro-opioid receptor agonist properties.
AID398173Displacement of [3H]DAMGO from mu opioid receptor in Wistar rat brain membrane2009Bioorganic & medicinal chemistry, Jun-01, Volume: 17, Issue:11
Biological activity of endomorphin and [Dmt1]endomorphin analogs with six-membered proline surrogates in position 2.
AID1807962Selectivity index, ratio of Ki for displacement of [3H]-U69593 from KOR in Wistar rat brain membranes to Ki for displacement of [3H]DAMGO from MOR in Wistar rat brain membranes2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID1184644Stability in rat brain homogenate assessed as degradation rate constant measured up to 60 mins by RP-HPLC analysis2014Bioorganic & medicinal chemistry, Sep-01, Volume: 22, Issue:17
Antinociceptive and antidepressant-like action of endomorphin-2 analogs with proline surrogates in position 2.
AID268518Displacement of [3H]DAMGO from mu opioid receptor in Wistar rat brain relative to morphiceptin2006Bioorganic & medicinal chemistry letters, Jul-15, Volume: 16, Issue:14
Opioid receptor binding and antinociceptive activity of the analogues of endomorphin-2 and morphiceptin with phenylalanine mimics in the position 3 or 4.
AID770995Displacement of [3H]DAMGO from mu opioid receptor in Wistar rat brain membranes by liquid scintillation counting2013European journal of medicinal chemistry, Oct, Volume: 68Hybrid peptides endomorphin-2/DAMGO: design, synthesis and biological evaluation.
AID314194Antinociceptive activity in mouse assessed as paw licking latency at 3 ug, icv by hot plate test2008Bioorganic & medicinal chemistry letters, Feb-15, Volume: 18, Issue:4
Novel highly potent mu-opioid receptor antagonist based on endomorphin-2 structure.
AID587665Half life in rat brain homogenate by RP-HPLC2011Journal of medicinal chemistry, Mar-10, Volume: 54, Issue:5
Design, synthesis, pharmacological evaluation, and structure-activity study of novel endomorphin analogues with multiple structural modifications.
AID277678Activity at mu opioid receptor assessed as increase in calcium level in CHO cells by aequorin luminescence based calcium assay2007Journal of medicinal chemistry, Feb-08, Volume: 50, Issue:3
Synthesis and characterization of potent and selective mu-opioid receptor antagonists, [Dmt(1), D-2-Nal(4)]endomorphin-1 (Antanal-1) and [Dmt(1), D-2-Nal(4)]endomorphin-2 (Antanal-2).
AID1536311Agonist activity at mu-opioid receptor (unknown origin) expressed in HEK293A cells assessed as inhibition of forskolin-induced cAMP accumulation measured after 30 mins
AID242238In vitro inhibitory concentration against Opioid receptor mu 1 was measured using guinea pig ileum assay2005Bioorganic & medicinal chemistry letters, Apr-01, Volume: 15, Issue:7
Structure-activity relationship of the novel bivalent and C-terminal modified analogues of endomorphin-2.
AID314192Antinociceptive activity in mouse assessed as rearing latency at 10 ug, icv by hot plate test2008Bioorganic & medicinal chemistry letters, Feb-15, Volume: 18, Issue:4
Novel highly potent mu-opioid receptor antagonist based on endomorphin-2 structure.
AID760561Displacement of [3H]DAMGO from mu opioid receptor (unknown origin) expressed in CHO cells after 90 mins by liquid scintillation counting2013ACS medicinal chemistry letters, Aug-08, Volume: 4, Issue:8
Structural and biological exploration of phe(3)-phe(4)-modified endomorphin-2 peptidomimetics.
AID76400in vitro inhibition of electrically evoked contractions of GPI (Guinea pig ileum)2001Journal of medicinal chemistry, Nov-08, Volume: 44, Issue:23
Pseudoproline-containing analogues of morphiceptin and endomorphin-2: evidence for a cis Tyr-Pro amide bond in the bioactive conformation.
AID1872040Antinociceptive activity in Swiss albino mouse assessed tail flick response in warm water administered icv2022Journal of medicinal chemistry, 02-10, Volume: 65, Issue:3
Analgesic Opioid Ligand Discovery Based on Nonmorphinan Scaffolds Derived from Natural Sources.
AID268517Displacement of [3H]DAMGO from mu opioid receptor in Wistar rat brain2006Bioorganic & medicinal chemistry letters, Jul-15, Volume: 16, Issue:14
Opioid receptor binding and antinociceptive activity of the analogues of endomorphin-2 and morphiceptin with phenylalanine mimics in the position 3 or 4.
AID1808013Toxicity in icv dosed Kunming mouse assessed as inhibition of gastrointestinal transit by measuring charcoal distance travel by charcoal meal test2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID484198Displacement of [3H]nalocone from mu opioid receptor in rat brain membranes2010Journal of medicinal chemistry, Jun-10, Volume: 53, Issue:11
Synthesis and evaluation of new endomorphin-2 analogues containing (Z)-alpha,beta-didehydrophenylalanine (Delta(Z)Phe) residues.
AID151771Displacement of [3H]endomorphin-2 from Opioid receptor mu 1 of rat brain membranes2004Journal of medicinal chemistry, Jan-29, Volume: 47, Issue:3
Structure-activity study on the Phe side chain arrangement of endomorphins using conformationally constrained analogues.
AID1058675Agonist activity at mu opioid receptor in guinea pig ileum2013Bioorganic & medicinal chemistry letters, Dec-15, Volume: 23, Issue:24
Novel glycosylated endomorphin-2 analog produces potent centrally-mediated antinociception in mice after peripheral administration.
AID1536341Toxicity in Kunming mouse assessed as inhibition of gastrointestinal transit by measuring reduction in distance traveled by charcoal at 10 to 30 mg/kg, ip dosed 15 mins prior charcoal meal measured after 30 mins
AID1229437Agonist activity at human recombinant delta opioid receptor expressed in CHO cells co-expressing Galphaq66Di5 assessed as stimulation of calcium release up to 1 uM by Fluo-4 AM dye-based fluorescence assay2015ACS medicinal chemistry letters, May-14, Volume: 6, Issue:5
Synthesis of mixed opioid affinity cyclic endomorphin-2 analogues with fluorinated phenylalanines.
AID277690Antinociceptive activity in Swiss Albino mouse assessed as effect on rearing by hot plate method at 10 ug2007Journal of medicinal chemistry, Feb-08, Volume: 50, Issue:3
Synthesis and characterization of potent and selective mu-opioid receptor antagonists, [Dmt(1), D-2-Nal(4)]endomorphin-1 (Antanal-1) and [Dmt(1), D-2-Nal(4)]endomorphin-2 (Antanal-2).
AID239609Inhibition of DAMGO (Tyr-[D-Ala]-Gly-[NMe-Phe]-Gly-ol) binding to rat brain mu opioid receptor2005Journal of medicinal chemistry, May-05, Volume: 48, Issue:9
Ligand-based prediction of active conformation by 3D-QSAR flexibility descriptors and their application in 3+3D-QSAR models.
AID587667Agonist activity at mu opioid receptor in rat brain membrane by [35S]GTPgammaS binding assay relative to baseline2011Journal of medicinal chemistry, Mar-10, Volume: 54, Issue:5
Design, synthesis, pharmacological evaluation, and structure-activity study of novel endomorphin analogues with multiple structural modifications.
AID1667825Antinociceptive activity in kunming mouse models assessed as maximum possible effect at 0.4 nmol, icv measured from 5 to 60 mins by warm water tail-flick assay relative to control2020Bioorganic & medicinal chemistry, 05-01, Volume: 28, Issue:9
Design, synthesis, and biological activity of new endomorphin analogs with multi-site modifications.
AID1275473Displacement of [3H]DAMGO from MOR in Wistar rat brain homogenates by liquid scintillation counting analysis2016European journal of medicinal chemistry, Feb-15, Volume: 109Synthesis of mixed MOR/KOR efficacy cyclic opioid peptide analogs with antinociceptive activity after systemic administration.
AID1173781Displacement of [3H]nor-BNI from KOR in Dunkin Hartley guinea pig membranes by liquid scintillation counting method2014Bioorganic & medicinal chemistry, Dec-01, Volume: 22, Issue:23
Cyclic side-chain-linked opioid analogs utilizing cis- and trans-4-aminocyclohexyl-D-alanine.
AID1667817Displacement of [3H]-DAMGO from Wistar rat mu opioid receptor incubated for 1 hr by liquid scintillation counting method2020Bioorganic & medicinal chemistry, 05-01, Volume: 28, Issue:9
Design, synthesis, and biological activity of new endomorphin analogs with multi-site modifications.
AID398177Binding affinity to recombinant OPRM1 receptor immobilized on biosensor assessed as dissociation rate constant by BIAcore X system2009Bioorganic & medicinal chemistry, Jun-01, Volume: 17, Issue:11
Biological activity of endomorphin and [Dmt1]endomorphin analogs with six-membered proline surrogates in position 2.
AID635912Antinociceptive activity in icv dosed in Swiss albino mouse assessed as jumping latency by hot plate method2011Bioorganic & medicinal chemistry, Dec-01, Volume: 19, Issue:23
Effect of 2',6'-dimethyl-L-tyrosine (Dmt) on pharmacological activity of cyclic endomorphin-2 and morphiceptin analogs.
AID314190Antagonist activity at delta opioid receptor expressed in CHO cells assessed as release of intracellular calcium ions by aequorin luminescence-based calcium assay2008Bioorganic & medicinal chemistry letters, Feb-15, Volume: 18, Issue:4
Novel highly potent mu-opioid receptor antagonist based on endomorphin-2 structure.
AID426389Agonist activity at delta opioid receptor in mouse vas deference assessed as inhibition of electrically-stimulated contraction2009Bioorganic & medicinal chemistry letters, Aug-01, Volume: 19, Issue:15
Synthesis and evaluation of new endomorphin analogues modified at the Pro(2) residue.
AID314193Antinociceptive activity in mouse assessed as jumping latency at 10 ug, icv by hot plate test2008Bioorganic & medicinal chemistry letters, Feb-15, Volume: 18, Issue:4
Novel highly potent mu-opioid receptor antagonist based on endomorphin-2 structure.
AID1807973Antinociceptive activity in Kunming mouse model assessed as increase in paw withdrawal latency at 0.67 to 20 nmol, icv by radiant heat paw withdrawal assay2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID698514Agonist activity at mu opioid receptor expressed in HEK293 cells assessed as inhibition of forskolin-induced cAMP accumulation after 30 mins by liquid scintillation counter relative to control2012Journal of medicinal chemistry, Jul-12, Volume: 55, Issue:13
A new class of highly potent and selective endomorphin-1 analogues containing α-methylene-β-aminopropanoic acids (map).
AID703057Displacement of [3H]DPDPE from delta opioid receptor in calf frontal cortex after 1 hr by gamma counter2012Journal of medicinal chemistry, Oct-11, Volume: 55, Issue:19
cis-4-amino-L-proline residue as a scaffold for the synthesis of cyclic and linear endomorphin-2 analogues: part 2.
AID1196472Agonist activity at delta opioid receptor (unknown origin) expressed in CHO cells assessed as change in cell morphology at 3.3 uM measured over 30 mins by label free binding assay relative to DPDPE2015European journal of medicinal chemistry, Mar-06, Volume: 92Synthesis and biological evaluations of novel endomorphin analogues containing α-hydroxy-β-phenylalanine (AHPBA) displaying mixed μ/δ opioid receptor agonist and δ opioid receptor antagonist activities.
AID149794Binding affinity towards delta receptor in rat brain using [3H]DSLET2001Journal of medicinal chemistry, Nov-08, Volume: 44, Issue:23
Pseudoproline-containing analogues of morphiceptin and endomorphin-2: evidence for a cis Tyr-Pro amide bond in the bioactive conformation.
AID1808016Toxicity in Kunming mouse model assessed as conditioned place preference time at 10 micromol/kg, sc2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID151610Binding affinity against rat brain Opioid receptor mu 1 using [3H]DAMGO radioligand2004Journal of medicinal chemistry, Jul-01, Volume: 47, Issue:14
Development of potent bifunctional endomorphin-2 analogues with mixed mu-/delta-opioid agonist and delta-opioid antagonist properties.
AID295478Selectivity for rat mu opioid receptor over rat delta opioid2007Bioorganic & medicinal chemistry, Jun-01, Volume: 15, Issue:11
Differential receptor binding characteristics of consecutive phenylalanines in micro-opioid specific peptide ligand endomorphin-2.
AID698513Agonist activity at delta opioid receptor in Kunming mouse vas deferens assessed as inhibition of electrically-stimulated muscle contraction in presence of delta opioid receptor antagonist naltrindole2012Journal of medicinal chemistry, Jul-12, Volume: 55, Issue:13
A new class of highly potent and selective endomorphin-1 analogues containing α-methylene-β-aminopropanoic acids (map).
AID140434in vitro inhibition of electrically evoked contractions of MVD (Mouse vas deferens) relative to [Leu5]-enkephalin2001Journal of medicinal chemistry, Nov-08, Volume: 44, Issue:23
Pseudoproline-containing analogues of morphiceptin and endomorphin-2: evidence for a cis Tyr-Pro amide bond in the bioactive conformation.
AID408815Selectivity ratio of Ki for delta opioid receptor to Ki for mu opioid receptor in rat brain membrane2008Bioorganic & medicinal chemistry, Jun-15, Volume: 16, Issue:12
Structure-activity study of endomorphin-2 analogs with C-terminal modifications by NMR spectroscopy and molecular modeling.
AID408818Selectivity ratio of IC50 for guinea pig ileum to IC50 for mouse vas deferens assay2008Bioorganic & medicinal chemistry, Jun-15, Volume: 16, Issue:12
Structure-activity study of endomorphin-2 analogs with C-terminal modifications by NMR spectroscopy and molecular modeling.
AID1184626Displacement of [3H]nor-BNI from KOR in guinea pig brain membranes2014Bioorganic & medicinal chemistry, Sep-01, Volume: 22, Issue:17
Antinociceptive and antidepressant-like action of endomorphin-2 analogs with proline surrogates in position 2.
AID1536319Effect on neurite outgrowth in mouse Neuro2a cells at 10 uM after 18 hrs by phase contrast microscopic analysis relative to control
AID1229432Metabolic stability in rat brain homogenates assessed as enzymatic degradation by measuring compound remaining at 0.5 mM after 90 mins by RP-HPLC analysis2015ACS medicinal chemistry letters, May-14, Volume: 6, Issue:5
Synthesis of mixed opioid affinity cyclic endomorphin-2 analogues with fluorinated phenylalanines.
AID148592Displacement of [3H]dynorphin A from Opioid receptor kappa 1 of rat brain membranes (DAMGO/DADLE quenching of mu/delta receptor binding)2004Journal of medicinal chemistry, Jan-29, Volume: 47, Issue:3
Structure-activity study on the Phe side chain arrangement of endomorphins using conformationally constrained analogues.
AID1808004Tolerance ratio of ED50 for Kunming mouse pretreated with 3 times ED50 of compound for 2 hrs followed by challenge with second dose of compound to ED50 for Kunming mouse pretreated with saline for 2 hrs followed by compound addition2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID1807958Displacement of [3H]DAMGO from MOR in Wistar rat brain membranes measured after 1 hr by scintillation counting method2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID705240Agonist activity at mu opioid receptor in Wistar rat brain membranes after 60 mins by [35S]GTPgammaS binding assay2012Journal of medicinal chemistry, Oct-11, Volume: 55, Issue:19
The effect of Pro(2) modifications on the structural and pharmacological properties of endomorphin-2.
AID277680Activity at delta opioid receptor assessed as increase in calcium level in CHO cells by aequorin luminescence based calcium assay2007Journal of medicinal chemistry, Feb-08, Volume: 50, Issue:3
Synthesis and characterization of potent and selective mu-opioid receptor antagonists, [Dmt(1), D-2-Nal(4)]endomorphin-1 (Antanal-1) and [Dmt(1), D-2-Nal(4)]endomorphin-2 (Antanal-2).
AID1872033Binding affinity to KOP (unknown origin)2022Journal of medicinal chemistry, 02-10, Volume: 65, Issue:3
Analgesic Opioid Ligand Discovery Based on Nonmorphinan Scaffolds Derived from Natural Sources.
AID277689Antinociceptive activity in Swiss Albino mouse assessed as effect on paw licking by hot plate method at 10 ug2007Journal of medicinal chemistry, Feb-08, Volume: 50, Issue:3
Synthesis and characterization of potent and selective mu-opioid receptor antagonists, [Dmt(1), D-2-Nal(4)]endomorphin-1 (Antanal-1) and [Dmt(1), D-2-Nal(4)]endomorphin-2 (Antanal-2).
AID462888Displacement of [3H]SP1-7 from NK1 receptor in Sprague-Dawley rat spinal cord membrane2010Journal of medicinal chemistry, Mar-25, Volume: 53, Issue:6
Discovery of dipeptides with high affinity to the specific binding site for substance P1-7.
AID1667824Antinociceptive activity in kunming mouse models assessed as inhibition of tail-flick response by tail-flick assay2020Bioorganic & medicinal chemistry, 05-01, Volume: 28, Issue:9
Design, synthesis, and biological activity of new endomorphin analogs with multi-site modifications.
AID244144Selectivity for Opioid receptor mu 1 to that of Opioid receptor delta 12005Bioorganic & medicinal chemistry letters, Apr-01, Volume: 15, Issue:7
Structure-activity relationship of the novel bivalent and C-terminal modified analogues of endomorphin-2.
AID242323In vitro inhibitory concentration against Opioid receptor delta 1 was measured using mouse vas deferens assay2005Bioorganic & medicinal chemistry letters, Apr-01, Volume: 15, Issue:7
Structure-activity relationship of the novel bivalent and C-terminal modified analogues of endomorphin-2.
AID1129801Binding affinity to mu opioid receptor (unknown origin)2014Bioorganic & medicinal chemistry, Apr-01, Volume: 22, Issue:7
Endomorphin analogues with mixed μ-opioid (MOP) receptor agonism/δ-opioid (DOP) receptor antagonism and lacking β-arrestin2 recruitment activity.
AID1808015Toxicity in Kunming mouse model assessed as conditioned place preference time at 20 nmol, icv2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID1807961Selectivity index, ratio of Ki for displacement of [3H]DPDPE from DOR in Wistar rat brain membranes to Ki for displacement of [3H]DAMGO from MOR in Wistar rat brain membranes2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID1807964Inhibition of electric-field induced mouse vas deferens contraction2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID1629765Activation of mu opioid receptor-1 (unknown origin) expressed in CHO cells assessed as beta-arrestin-2 recruitment at 10 uM after 90 mins by beta-galactosidase complementation assay2016Journal of medicinal chemistry, 09-22, Volume: 59, Issue:18
Mitragynine/Corynantheidine Pseudoindoxyls As Opioid Analgesics with Mu Agonism and Delta Antagonism, Which Do Not Recruit β-Arrestin-2.
AID515107Displacement of [3H]DAMGO from mu opioid receptor in rat brain membrane after 3 hrs by liquid scintillation counting2010European journal of medicinal chemistry, Oct, Volume: 45, Issue:10
Synthesis and activity of endomorphin-2 and morphiceptin analogues with proline surrogates in position 2.
AID277684Agonist activity at delta opioid receptor by inhibition of electrically evoked muscle contraction in isolated mouse vas deferens2007Journal of medicinal chemistry, Feb-08, Volume: 50, Issue:3
Synthesis and characterization of potent and selective mu-opioid receptor antagonists, [Dmt(1), D-2-Nal(4)]endomorphin-1 (Antanal-1) and [Dmt(1), D-2-Nal(4)]endomorphin-2 (Antanal-2).
AID760558Selectivity ratio of Ki for delta opioid receptor (unknown origin) expressed in CHO cells to Ki for mu opioid receptor (unknown origin) expressed in CHO cells2013ACS medicinal chemistry letters, Aug-08, Volume: 4, Issue:8
Structural and biological exploration of phe(3)-phe(4)-modified endomorphin-2 peptidomimetics.
AID1536313Agonist activity at kappa-opioid receptor (unknown origin) expressed in HEK293A cells assessed as inhibition of forskolin-induced cAMP accumulation measured after 30 mins
AID277682Agonist activity at mu opioid receptor by inhibition of electrically evoked muscle contraction in guinea pig ileum2007Journal of medicinal chemistry, Feb-08, Volume: 50, Issue:3
Synthesis and characterization of potent and selective mu-opioid receptor antagonists, [Dmt(1), D-2-Nal(4)]endomorphin-1 (Antanal-1) and [Dmt(1), D-2-Nal(4)]endomorphin-2 (Antanal-2).
AID770991Antinociceptive effect in icv dosed CD1 mouse assessed as increase in tail-flick latency period by tail flick test2013European journal of medicinal chemistry, Oct, Volume: 68Hybrid peptides endomorphin-2/DAMGO: design, synthesis and biological evaluation.
AID1667820Agonist activity at mu opioid receptor (unknown origin) expressed in human HEK293 cells assessed as increase in cAMP accumulation using [3H]-cAMP as substrate measured after 30mins by liquid scintillation counting method2020Bioorganic & medicinal chemistry, 05-01, Volume: 28, Issue:9
Design, synthesis, and biological activity of new endomorphin analogs with multi-site modifications.
AID266695Agonist activity at mu opioid receptor by guinea pig ileum assay2006Journal of medicinal chemistry, Jun-29, Volume: 49, Issue:13
New 2',6'-dimethyl-L-tyrosine (Dmt) opioid peptidomimetics based on the Aba-Gly scaffold. Development of unique mu-opioid receptor ligands.
AID306545Apparent permeability from apical to basolateral side of human Caco-2 cell membrane2007Bioorganic & medicinal chemistry letters, Apr-01, Volume: 17, Issue:7
Comparison of the in vitro apparent permeability and stability of opioid mimetic compounds with that of the native peptide.
AID698511Selectivity ratio of IC50 for mu opioid receptor in guinea pig ileum to IC50 for delta opioid receptor in Kunming mouse vas deferens2012Journal of medicinal chemistry, Jul-12, Volume: 55, Issue:13
A new class of highly potent and selective endomorphin-1 analogues containing α-methylene-β-aminopropanoic acids (map).
AID587666Agonist activity at opioid receptor in mu rat brain membrane by [35S]GTPgammaS binding assay relative to baseline in presence of opioid-selective antagonist naloxone2011Journal of medicinal chemistry, Mar-10, Volume: 54, Issue:5
Design, synthesis, pharmacological evaluation, and structure-activity study of novel endomorphin analogues with multiple structural modifications.
AID1196475Half life in rat brain homogenate at 10 uM2015European journal of medicinal chemistry, Mar-06, Volume: 92Synthesis and biological evaluations of novel endomorphin analogues containing α-hydroxy-β-phenylalanine (AHPBA) displaying mixed μ/δ opioid receptor agonist and δ opioid receptor antagonist activities.
AID515111Agonist activity at mu opioid receptor in guinea pig ileum assessed as inhibition of electrically-stimulated muscle contraction2010European journal of medicinal chemistry, Oct, Volume: 45, Issue:10
Synthesis and activity of endomorphin-2 and morphiceptin analogues with proline surrogates in position 2.
AID244330Relative potency of EM-2 measured towards Opioid receptor mu 1 assayed with [3H]DAMGO2005Bioorganic & medicinal chemistry letters, Apr-01, Volume: 15, Issue:7
Structure-activity relationship of the novel bivalent and C-terminal modified analogues of endomorphin-2.
AID239304Inhibition of [3H]naloxone binding to rat brain homogenate Opioid receptor delta2005Bioorganic & medicinal chemistry letters, May-16, Volume: 15, Issue:10
6-Hydroxy-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid mimics active conformation of tyrosine in opioid peptides.
AID426387Displacement of [3H]DAMGO from mu opioid receptor in rat brain membrane by liquid scintillation counting2009Bioorganic & medicinal chemistry letters, Aug-01, Volume: 19, Issue:15
Synthesis and evaluation of new endomorphin analogues modified at the Pro(2) residue.
AID1058673Antinociceptive activity in mouse assessed as prolongation time to jump at 3 mg/kg, iv by hot plate test2013Bioorganic & medicinal chemistry letters, Dec-15, Volume: 23, Issue:24
Novel glycosylated endomorphin-2 analog produces potent centrally-mediated antinociception in mice after peripheral administration.
AID150065Binding affinity towards delta receptor in rat brain using [3H]DSLET relative to [Leu5]-enkephalin2001Journal of medicinal chemistry, Nov-08, Volume: 44, Issue:23
Pseudoproline-containing analogues of morphiceptin and endomorphin-2: evidence for a cis Tyr-Pro amide bond in the bioactive conformation.
AID1229433Agonist activity at human recombinant mu opioid receptor expressed in CHO cells co-expressing C-terminally modified GGalphaqi5 assessed as stimulation of calcium release by Fluo-4 AM dye-based fluorescence assay2015ACS medicinal chemistry letters, May-14, Volume: 6, Issue:5
Synthesis of mixed opioid affinity cyclic endomorphin-2 analogues with fluorinated phenylalanines.
AID1600056Displacement of [3H]deltrophin-2 from human recombinant DOR expressed in CHO cell membranes incubated for 2 hrs by liquid scintillation counting method
AID1196467Selectivity ratio of Ki for rat cortex delta opioid receptor to Ki for rat cortex mu opioid receptor2015European journal of medicinal chemistry, Mar-06, Volume: 92Synthesis and biological evaluations of novel endomorphin analogues containing α-hydroxy-β-phenylalanine (AHPBA) displaying mixed μ/δ opioid receptor agonist and δ opioid receptor antagonist activities.
AID339693Selectivity ratio of Ki for displacement of [3H]DAMGO from mu opioid receptor over Ki for displacement of [3H]Ile5,6deltorphin from delta opioid receptor in Wistar rat brain2008Journal of medicinal chemistry, Jul-24, Volume: 51, Issue:14
New endomorphin analogues containing alicyclic beta-amino acids: influence on bioactive conformation and pharmacological profile.
AID1229430Displacement of [3H][Ile5,6]deltorphin-2 from delta opioid receptor in Wistar rat brain membranes after 120 mins by scintillation counting analysis2015ACS medicinal chemistry letters, May-14, Volume: 6, Issue:5
Synthesis of mixed opioid affinity cyclic endomorphin-2 analogues with fluorinated phenylalanines.
AID396781Antinociceptive activity in Swiss albino CD1 mouse assessed as duration of inhibition of paw licking at 3 ng, icv by hot plate test2009Bioorganic & medicinal chemistry, Jun-01, Volume: 17, Issue:11
Biological activity of endomorphin and [Dmt1]endomorphin analogs with six-membered proline surrogates in position 2.
AID238805Inhibition of [3H]DPDPE binding to delta-Opioid receptor 2005Journal of medicinal chemistry, Jan-27, Volume: 48, Issue:2
Development of potent mu-opioid receptor ligands using unique tyrosine analogues of endomorphin-2.
AID195849In vitro percent maximal stimulation of [35S]GTP-gamma-S, binding by the compound in rat brain membranes2004Journal of medicinal chemistry, Jan-29, Volume: 47, Issue:3
Structure-activity study on the Phe side chain arrangement of endomorphins using conformationally constrained analogues.
AID698512Agonist activity at mu opioid receptor expressed in HEK293 cells assessed as inhibition of forskolin-induced cAMP accumulation after 30 mins by liquid scintillation counter2012Journal of medicinal chemistry, Jul-12, Volume: 55, Issue:13
A new class of highly potent and selective endomorphin-1 analogues containing α-methylene-β-aminopropanoic acids (map).
AID288658Selectivity for mu opioid receptor over delta opiod receptor in Sprague-Dawley rat brain P2 synaptosome membrane2007Journal of medicinal chemistry, Jun-14, Volume: 50, Issue:12
Bifunctional [2',6'-dimethyl-L-tyrosine1]endomorphin-2 analogues substituted at position 3 with alkylated phenylalanine derivatives yield potent mixed mu-agonist/delta-antagonist and dual mu-agonist/delta-agonist opioid ligands.
AID705243Displacement of [3H]DAMGO from mu opioid receptor in Wistar rat brain membranes2012Journal of medicinal chemistry, Oct-11, Volume: 55, Issue:19
The effect of Pro(2) modifications on the structural and pharmacological properties of endomorphin-2.
AID1872039Agonist activity at human recombinant MOP expressed in CHO cells by calcium mobilization assay2022Journal of medicinal chemistry, 02-10, Volume: 65, Issue:3
Analgesic Opioid Ligand Discovery Based on Nonmorphinan Scaffolds Derived from Natural Sources.
AID132679In vitro inhibitory concentration against electrically induced twitches in mouse vas deferens2004Journal of medicinal chemistry, Jul-01, Volume: 47, Issue:14
Development of potent bifunctional endomorphin-2 analogues with mixed mu-/delta-opioid agonist and delta-opioid antagonist properties.
AID1536320Antagonist activity at mu-opioid receptor in mouse Neuro2a cells assessed as inhibition of NPFF-induced neurite outgrowth by measuring neurite outgrowth at 10 uM after 18 hrs by phase contrast microscopic analysis (Rvb = 24.05 +/- 1.19%)
AID293121Agonist activity at delta opioid receptor in mouse vas deferens assessed as inhibition of electrically evoked muscle contractions2007Bioorganic & medicinal chemistry, Feb-01, Volume: 15, Issue:3
Transformation of mu-opioid receptor agonists into biologically potent mu-opioid receptor antagonists.
AID268520Displacement of [3H]DPDPE from delta opioid receptor in Wistar rat brain2006Bioorganic & medicinal chemistry letters, Jul-15, Volume: 16, Issue:14
Opioid receptor binding and antinociceptive activity of the analogues of endomorphin-2 and morphiceptin with phenylalanine mimics in the position 3 or 4.
AID1872054Stability in rat brain homogenate assessed as compound remaining measured after 90 mins relative to control2022Journal of medicinal chemistry, 02-10, Volume: 65, Issue:3
Analgesic Opioid Ligand Discovery Based on Nonmorphinan Scaffolds Derived from Natural Sources.
AID1275485Agonist activity at human recombinant KOR expressed in CHO cells assessed as calcium mobilization up to 1 uM by Fluo-4 AM based fluorescence analysis2016European journal of medicinal chemistry, Feb-15, Volume: 109Synthesis of mixed MOR/KOR efficacy cyclic opioid peptide analogs with antinociceptive activity after systemic administration.
AID314195Antinociceptive activity in mouse assessed as rearing latency at 3 ug, icv by hot plate test2008Bioorganic & medicinal chemistry letters, Feb-15, Volume: 18, Issue:4
Novel highly potent mu-opioid receptor antagonist based on endomorphin-2 structure.
AID698510Agonist activity at mu opioid receptor in guinea pig ileum assessed as inhibition of electrically-stimulated muscle contraction2012Journal of medicinal chemistry, Jul-12, Volume: 55, Issue:13
A new class of highly potent and selective endomorphin-1 analogues containing α-methylene-β-aminopropanoic acids (map).
AID1275488Retention time of compound by RP-HPLC analysis2016European journal of medicinal chemistry, Feb-15, Volume: 109Synthesis of mixed MOR/KOR efficacy cyclic opioid peptide analogs with antinociceptive activity after systemic administration.
AID314191Antinociceptive activity in mouse assessed as paw licking latency at 10 ug, icv by hot plate test2008Bioorganic & medicinal chemistry letters, Feb-15, Volume: 18, Issue:4
Novel highly potent mu-opioid receptor antagonist based on endomorphin-2 structure.
AID635916Antinociceptive activity in icv dosed Swiss albino mouse assessed as jumping latency at 3 ug, icv up to 90 mins by hot plate method2011Bioorganic & medicinal chemistry, Dec-01, Volume: 19, Issue:23
Effect of 2',6'-dimethyl-L-tyrosine (Dmt) on pharmacological activity of cyclic endomorphin-2 and morphiceptin analogs.
AID288656Displacement of [3H]DAMGO from mu opioid receptor in Sprague-Dawley rat brain P2 synaptosome membrane2007Journal of medicinal chemistry, Jun-14, Volume: 50, Issue:12
Bifunctional [2',6'-dimethyl-L-tyrosine1]endomorphin-2 analogues substituted at position 3 with alkylated phenylalanine derivatives yield potent mixed mu-agonist/delta-antagonist and dual mu-agonist/delta-agonist opioid ligands.
AID1196471Agonist activity at mu opioid receptor (unknown origin) expressed in HEK293 cells assessed as change in cell morphology at 3.3 uM measured over 30 mins by label free binding assay relative to DAMGO2015European journal of medicinal chemistry, Mar-06, Volume: 92Synthesis and biological evaluations of novel endomorphin analogues containing α-hydroxy-β-phenylalanine (AHPBA) displaying mixed μ/δ opioid receptor agonist and δ opioid receptor antagonist activities.
AID314184Displacement of [3H]DAMGO from mu opioid receptor in rat brain membranes2008Bioorganic & medicinal chemistry letters, Feb-15, Volume: 18, Issue:4
Novel highly potent mu-opioid receptor antagonist based on endomorphin-2 structure.
AID1229440Agonist activity at human recombinant kappa opioid receptor expressed in CHO cells co-expressing C-terminally modified Galphaqi5 assessed as stimulation of calcium release up to 1 uM by Fluo-4 AM dye-based fluorescence assay2015ACS medicinal chemistry letters, May-14, Volume: 6, Issue:5
Synthesis of mixed opioid affinity cyclic endomorphin-2 analogues with fluorinated phenylalanines.
AID1872048Agonist activity at human MOP assessed as forskolin stimulated cAMP accumulation2022Journal of medicinal chemistry, 02-10, Volume: 65, Issue:3
Analgesic Opioid Ligand Discovery Based on Nonmorphinan Scaffolds Derived from Natural Sources.
AID288659Displacement of [3H]U-69593 from kappa opioid receptor in Hartley guinea pig cerebellum P2 synaptosome membrane2007Journal of medicinal chemistry, Jun-14, Volume: 50, Issue:12
Bifunctional [2',6'-dimethyl-L-tyrosine1]endomorphin-2 analogues substituted at position 3 with alkylated phenylalanine derivatives yield potent mixed mu-agonist/delta-antagonist and dual mu-agonist/delta-agonist opioid ligands.
AID1536343Antinociceptive activity in icv dosed Kunming mouse model of thermal-induced nociception assessed as increase in latency to tail withdrawal up to 60 mins radiant heat tail flick method
AID268521Selectivity for mu opioid receptor over delta opioid receptor2006Bioorganic & medicinal chemistry letters, Jul-15, Volume: 16, Issue:14
Opioid receptor binding and antinociceptive activity of the analogues of endomorphin-2 and morphiceptin with phenylalanine mimics in the position 3 or 4.
AID239108Mean value of binding constant for Opioid receptors assayed with [3H]DAMGO2005Bioorganic & medicinal chemistry letters, Apr-01, Volume: 15, Issue:7
Structure-activity relationship of the novel bivalent and C-terminal modified analogues of endomorphin-2.
AID295476Displacement of [3H]DAGO from mu opioid receptor in rat brain membrane2007Bioorganic & medicinal chemistry, Jun-01, Volume: 15, Issue:11
Differential receptor binding characteristics of consecutive phenylalanines in micro-opioid specific peptide ligand endomorphin-2.
AID1807960Displacement of [3H]-U69593 from KOR in Wistar rat brain membranes measured after 1 hr by scintillation counting method2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID1807965Agonist activity at mu-opioid receptor (unknown origin) expressed in HEK293 cells assessed as inhibition of forskolin-induced cAMP accumulation incubated for 15 mins by ELISA2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID152383Binding affinity towards mu receptor in rat brain using [3H]DAMGO2001Journal of medicinal chemistry, Nov-08, Volume: 44, Issue:23
Pseudoproline-containing analogues of morphiceptin and endomorphin-2: evidence for a cis Tyr-Pro amide bond in the bioactive conformation.
AID288657Displacement of [3H]deltorphin 2 from delta opioid receptor in Sprague-Dawley rat brain P2 synaptosome membrane2007Journal of medicinal chemistry, Jun-14, Volume: 50, Issue:12
Bifunctional [2',6'-dimethyl-L-tyrosine1]endomorphin-2 analogues substituted at position 3 with alkylated phenylalanine derivatives yield potent mixed mu-agonist/delta-antagonist and dual mu-agonist/delta-agonist opioid ligands.
AID770992Analgesic activity in icv dosed CD1 mouse assessed as inhibition of heat-induced jumping behaviour after 5 to 30 mins by hot plate method2013European journal of medicinal chemistry, Oct, Volume: 68Hybrid peptides endomorphin-2/DAMGO: design, synthesis and biological evaluation.
AID1129825Binding affinity to delta opioid receptor (unknown origin)2014Bioorganic & medicinal chemistry, Apr-01, Volume: 22, Issue:7
Endomorphin analogues with mixed μ-opioid (MOP) receptor agonism/δ-opioid (DOP) receptor antagonism and lacking β-arrestin2 recruitment activity.
AID1807972Antinociceptive activity in icv dosed Kunming mouse model assessed as increase in paw withdrawal latency by radiant heat paw withdrawal assay2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID268525Half life in mouse brain at 10 ul2006Bioorganic & medicinal chemistry letters, Jul-15, Volume: 16, Issue:14
Opioid receptor binding and antinociceptive activity of the analogues of endomorphin-2 and morphiceptin with phenylalanine mimics in the position 3 or 4.
AID1229429Displacement of [3H]DAMGO from mu opioid receptor in Wistar rat brain membranes after 120 mins by scintillation counting analysis2015ACS medicinal chemistry letters, May-14, Volume: 6, Issue:5
Synthesis of mixed opioid affinity cyclic endomorphin-2 analogues with fluorinated phenylalanines.
AID1173780Displacement of [3H][Ile5,6]deltorphin-2 from DOR in Wistar rat brain membranes by liquid scintillation counting method2014Bioorganic & medicinal chemistry, Dec-01, Volume: 22, Issue:23
Cyclic side-chain-linked opioid analogs utilizing cis- and trans-4-aminocyclohexyl-D-alanine.
AID339691Displacement of [3H]endomorphin-2 from mu opioid receptor in Wistar rat brain2008Journal of medicinal chemistry, Jul-24, Volume: 51, Issue:14
New endomorphin analogues containing alicyclic beta-amino acids: influence on bioactive conformation and pharmacological profile.
AID312065Agonist activity at mu opioid receptor in NMRI mouse vas deferens assessed as inhibition of electrically-stimulated muscle contraction2008Journal of medicinal chemistry, Jan-10, Volume: 51, Issue:1
Endomorphin-2 with a beta-turn backbone constraint retains the potent micro-opioid receptor agonist properties.
AID244333In vitro potency of EM-2 measured towards Opioid receptor delta 1 using mouse vas deferens assay2005Bioorganic & medicinal chemistry letters, Apr-01, Volume: 15, Issue:7
Structure-activity relationship of the novel bivalent and C-terminal modified analogues of endomorphin-2.
AID396786Antinociceptive activity in Swiss albino CD1 mouse assessed as duration of inhibition of rearing at 3 ng, icv by hot plate test2009Bioorganic & medicinal chemistry, Jun-01, Volume: 17, Issue:11
Biological activity of endomorphin and [Dmt1]endomorphin analogs with six-membered proline surrogates in position 2.
AID241858In vitro inhibition of opioid receptor mu using isolated guinea pig ileum2005Journal of medicinal chemistry, Jan-27, Volume: 48, Issue:2
Development of potent mu-opioid receptor ligands using unique tyrosine analogues of endomorphin-2.
AID770994Displacement of [3H]Ile5,6deltorphin-2 from delta opioid receptor in Wistar rat brain membranes by liquid scintillation counting2013European journal of medicinal chemistry, Oct, Volume: 68Hybrid peptides endomorphin-2/DAMGO: design, synthesis and biological evaluation.
AID587664Agonist activity at mu opioid receptor in rat brain membrane by [35S]GTPgammaS binding assay2011Journal of medicinal chemistry, Mar-10, Volume: 54, Issue:5
Design, synthesis, pharmacological evaluation, and structure-activity study of novel endomorphin analogues with multiple structural modifications.
AID80151in vitro inhibition of electrically evoked contractions of GPI (Guinea pig ileum) relative to [Leu5]-enkephalin2001Journal of medicinal chemistry, Nov-08, Volume: 44, Issue:23
Pseudoproline-containing analogues of morphiceptin and endomorphin-2: evidence for a cis Tyr-Pro amide bond in the bioactive conformation.
AID515106Displacement of [3H]U69593 from delta opioid receptor in guinea pig brain membrane after 3 hrs by liquid scintillation counting2010European journal of medicinal chemistry, Oct, Volume: 45, Issue:10
Synthesis and activity of endomorphin-2 and morphiceptin analogues with proline surrogates in position 2.
AID398178Stability in rat brain homogenates assessed as degradation half life2009Bioorganic & medicinal chemistry, Jun-01, Volume: 17, Issue:11
Biological activity of endomorphin and [Dmt1]endomorphin analogs with six-membered proline surrogates in position 2.
AID1807978Antinociceptive activity in Kunming mouse model assessed as increase in paw withdrawal latency at 20 nmol, icv pretreated for 10 mins with naloxone followed by compound addition and measured upto 10 mins by radiant heat paw withdrawal assay2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID705241Selectivity ratio of Ki for Wistar rat delta opioid receptor to Ki for Wistar rat mu opioid receptor2012Journal of medicinal chemistry, Oct-11, Volume: 55, Issue:19
The effect of Pro(2) modifications on the structural and pharmacological properties of endomorphin-2.
AID312058Stability in rat brain assessed as half life2008Journal of medicinal chemistry, Jan-10, Volume: 51, Issue:1
Endomorphin-2 with a beta-turn backbone constraint retains the potent micro-opioid receptor agonist properties.
AID1196466Displacement of [3H]U69,593 from guinea pig cortex/cerebella kappa opioid receptor after 2 hrs by liquid scintillation counting analysis2015European journal of medicinal chemistry, Mar-06, Volume: 92Synthesis and biological evaluations of novel endomorphin analogues containing α-hydroxy-β-phenylalanine (AHPBA) displaying mixed μ/δ opioid receptor agonist and δ opioid receptor antagonist activities.
AID515110Agonist activity at delta opioid receptor in mouse vas deferens assessed as inhibition of electrically-stimulated muscle contraction2010European journal of medicinal chemistry, Oct, Volume: 45, Issue:10
Synthesis and activity of endomorphin-2 and morphiceptin analogues with proline surrogates in position 2.
AID1275486Agonist activity at human recombinant DOR expressed in CHO cells assessed as calcium mobilization up to 1 uM by Fluo-4 AM based fluorescence analysis2016European journal of medicinal chemistry, Feb-15, Volume: 109Synthesis of mixed MOR/KOR efficacy cyclic opioid peptide analogs with antinociceptive activity after systemic administration.
AID314189Antagonist activity at mu opioid receptor expressed in CHO cells assessed as release of intracellular calcium ions by aequorin luminescence-based calcium assay2008Bioorganic & medicinal chemistry letters, Feb-15, Volume: 18, Issue:4
Novel highly potent mu-opioid receptor antagonist based on endomorphin-2 structure.
AID288660Selectivity for Sprague-Dawley rat brain mu opioid receptor over Hartley guinea pig cerebellum kappa opioid receptor2007Journal of medicinal chemistry, Jun-14, Volume: 50, Issue:12
Bifunctional [2',6'-dimethyl-L-tyrosine1]endomorphin-2 analogues substituted at position 3 with alkylated phenylalanine derivatives yield potent mixed mu-agonist/delta-antagonist and dual mu-agonist/delta-agonist opioid ligands.
AID408814Displacement of [3H]DPDPE from delta opioid receptor in rat brain membrane2008Bioorganic & medicinal chemistry, Jun-15, Volume: 16, Issue:12
Structure-activity study of endomorphin-2 analogs with C-terminal modifications by NMR spectroscopy and molecular modeling.
AID312064Agonist activity at mu opioid receptor in rat brain assessed as maximal stimulation of [35S]GTP-gamma-S binding2008Journal of medicinal chemistry, Jan-10, Volume: 51, Issue:1
Endomorphin-2 with a beta-turn backbone constraint retains the potent micro-opioid receptor agonist properties.
AID270136Agonist activity at mu opioid receptor assessed as inhibition of electrically-evoked contraction of guinea pig ileum2006Journal of medicinal chemistry, Sep-07, Volume: 49, Issue:18
Effect of lysine at C-terminus of the Dmt-Tic opioid pharmacophore.
AID1807976Antinociceptive activity in Kunming mouse model assessed as increase in paw withdrawal latency at 0.67 to 20 nmol, icv measured after 20 mins by radiant heat paw withdrawal assay2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID339690Displacement of [3H]DAMGO from mu opioid receptor in Wistar rat brain2008Journal of medicinal chemistry, Jul-24, Volume: 51, Issue:14
New endomorphin analogues containing alicyclic beta-amino acids: influence on bioactive conformation and pharmacological profile.
AID149817Displacement of [3H]Ile5,6-deltorphin II from opioid receptor delta 1 of rat brain membranes2004Journal of medicinal chemistry, Jan-29, Volume: 47, Issue:3
Structure-activity study on the Phe side chain arrangement of endomorphins using conformationally constrained analogues.
AID705242Displacement of [3H][Ile5,6]deltorphin 2 from delta opioid receptor in Wistar rat brain membranes2012Journal of medicinal chemistry, Oct-11, Volume: 55, Issue:19
The effect of Pro(2) modifications on the structural and pharmacological properties of endomorphin-2.
AID312060Displacement of [3H]deltorphin 2 from delta opioid receptor in Wistar rat brain after 45 mins2008Journal of medicinal chemistry, Jan-10, Volume: 51, Issue:1
Endomorphin-2 with a beta-turn backbone constraint retains the potent micro-opioid receptor agonist properties.
AID241750In vitro inhibition of opioid receptor delta using mouse vas deferens2005Journal of medicinal chemistry, Jan-27, Volume: 48, Issue:2
Development of potent mu-opioid receptor ligands using unique tyrosine analogues of endomorphin-2.
AID426390Agonist activity at mu opioid receptor in guinea pig ileum assessed as inhibition of electrically-stimulated contraction2009Bioorganic & medicinal chemistry letters, Aug-01, Volume: 19, Issue:15
Synthesis and evaluation of new endomorphin analogues modified at the Pro(2) residue.
AID1807959Displacement of [3H]DPDPE from DOR in Wistar rat brain membranes measured after 3 hrs by scintillation counting method2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID760560Displacement of [3H]DPDPE from delta opioid receptor (unknown origin) expressed in CHO cells after 90 mins by liquid scintillation counting2013ACS medicinal chemistry letters, Aug-08, Volume: 4, Issue:8
Structural and biological exploration of phe(3)-phe(4)-modified endomorphin-2 peptidomimetics.
AID1667828Antinociceptive activity in kunming mouse models assessed as effective dose after icv administration measured from 5 to 60 mins by warm water tail-flick assay2020Bioorganic & medicinal chemistry, 05-01, Volume: 28, Issue:9
Design, synthesis, and biological activity of new endomorphin analogs with multi-site modifications.
AID314186Displacement of [3H]naltrindole from delta opioid receptor in rat brain membranes2008Bioorganic & medicinal chemistry letters, Feb-15, Volume: 18, Issue:4
Novel highly potent mu-opioid receptor antagonist based on endomorphin-2 structure.
AID398176Binding affinity to recombinant OPRM1 receptor immobilized on biosensor assessed as association rate constant by BIAcore X system2009Bioorganic & medicinal chemistry, Jun-01, Volume: 17, Issue:11
Biological activity of endomorphin and [Dmt1]endomorphin analogs with six-membered proline surrogates in position 2.
AID1807980Antinociceptive activity in Kunming mouse model assessed as increase in paw withdrawal latency at 20 nmol, icv pretreated for 20 mins with naloxonazine followed by compound addition and measured upto 10 mins by radiant heat paw withdrawal assay2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID1667819Displacement of[3H]-U69,593 from Wistar rat kappa opioid receptor incubated for 1.5 hrs by liquid scintillation counting method2020Bioorganic & medicinal chemistry, 05-01, Volume: 28, Issue:9
Design, synthesis, and biological activity of new endomorphin analogs with multi-site modifications.
AID1184625Displacement of [3H](Ile5,6)deltorphin-2 from DOR in rat brain membranes2014Bioorganic & medicinal chemistry, Sep-01, Volume: 22, Issue:17
Antinociceptive and antidepressant-like action of endomorphin-2 analogs with proline surrogates in position 2.
AID515109Selectivity ratio of Ki for delta opioid receptor in guinea pig brain membrane to Ki for mu opioid receptor in rat brain membrane2010European journal of medicinal chemistry, Oct, Volume: 45, Issue:10
Synthesis and activity of endomorphin-2 and morphiceptin analogues with proline surrogates in position 2.
AID1196468Selectivity ratio of Ki for guinea pig cortex/cerebella kappa opioid receptor to Ki for rat cortex mu opioid receptor2015European journal of medicinal chemistry, Mar-06, Volume: 92Synthesis and biological evaluations of novel endomorphin analogues containing α-hydroxy-β-phenylalanine (AHPBA) displaying mixed μ/δ opioid receptor agonist and δ opioid receptor antagonist activities.
AID1808002Antinociceptive tolerance in Kunming mouse pretreated with saline for 2 hrs followed by compound addition by radiant heat paw withdrawal test2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID293123Ratio of pA2 for delta opioid receptor in MVD to pA2 for mu opioid receptor in GPI2007Bioorganic & medicinal chemistry, Feb-01, Volume: 15, Issue:3
Transformation of mu-opioid receptor agonists into biologically potent mu-opioid receptor antagonists.
AID1196465Displacement of [3H]DPDPE from rat cortex delta opioid receptor after 2.5 hrs by liquid scintillation counting analysis2015European journal of medicinal chemistry, Mar-06, Volume: 92Synthesis and biological evaluations of novel endomorphin analogues containing α-hydroxy-β-phenylalanine (AHPBA) displaying mixed μ/δ opioid receptor agonist and δ opioid receptor antagonist activities.
AID195718In vitro effective dose against [35S]GTP-gamma-S, binding to rat brain membranes2004Journal of medicinal chemistry, Jan-29, Volume: 47, Issue:3
Structure-activity study on the Phe side chain arrangement of endomorphins using conformationally constrained analogues.
AID408816Agonist activity at mu opioid receptor in guinea pig ileum assessed as inhibition of electrically-stimulated contraction2008Bioorganic & medicinal chemistry, Jun-15, Volume: 16, Issue:12
Structure-activity study of endomorphin-2 analogs with C-terminal modifications by NMR spectroscopy and molecular modeling.
AID698508Displacement of [3H]DPDPE from Myc-tagged delta opioid receptor expressed in HEK293 cells after 60 mins by liquid scintillation counter2012Journal of medicinal chemistry, Jul-12, Volume: 55, Issue:13
A new class of highly potent and selective endomorphin-1 analogues containing α-methylene-β-aminopropanoic acids (map).
AID587662Displacement of [3H][Ile5,6]deltorphin2 from delta opioid receptor in rat brain membrane homogenate by liquid scintillation counting2011Journal of medicinal chemistry, Mar-10, Volume: 54, Issue:5
Design, synthesis, pharmacological evaluation, and structure-activity study of novel endomorphin analogues with multiple structural modifications.
AID268522Antinociceptive activity in mouse at 4 ul, icv by hot plate test assessed as area under %MPE - time curve after 15 mins2006Bioorganic & medicinal chemistry letters, Jul-15, Volume: 16, Issue:14
Opioid receptor binding and antinociceptive activity of the analogues of endomorphin-2 and morphiceptin with phenylalanine mimics in the position 3 or 4.
AID1275475Displacement of [3H]nor-BNI from KOR in Dunkin Hartley guinea pig brain homogenates by liquid scintillation counting analysis2016European journal of medicinal chemistry, Feb-15, Volume: 109Synthesis of mixed MOR/KOR efficacy cyclic opioid peptide analogs with antinociceptive activity after systemic administration.
AID295477Displacement of [3H]deltorphin2 from delta opioid receptor in rat brain membrane2007Bioorganic & medicinal chemistry, Jun-01, Volume: 15, Issue:11
Differential receptor binding characteristics of consecutive phenylalanines in micro-opioid specific peptide ligand endomorphin-2.
AID705239Agonist activity at mu opioid receptor in Wistar rat brain membranes after 60 mins by [35S]GTPgammaS binding assay relative to control2012Journal of medicinal chemistry, Oct-11, Volume: 55, Issue:19
The effect of Pro(2) modifications on the structural and pharmacological properties of endomorphin-2.
AID587663Selectivity ratio of Ki for delta opioid receptor in rat brain to mu opioid receptor in rat brain2011Journal of medicinal chemistry, Mar-10, Volume: 54, Issue:5
Design, synthesis, pharmacological evaluation, and structure-activity study of novel endomorphin analogues with multiple structural modifications.
AID484194Agonist activity at delta opioid receptor in mouse vas deferens assessed as inhibition of electrically evoked contraction2010Journal of medicinal chemistry, Jun-10, Volume: 53, Issue:11
Synthesis and evaluation of new endomorphin-2 analogues containing (Z)-alpha,beta-didehydrophenylalanine (Delta(Z)Phe) residues.
AID339695Activity at mu opioid receptor in Wistar rat brain assessed as stimulation of [35S]GTPgammaS binding2008Journal of medicinal chemistry, Jul-24, Volume: 51, Issue:14
New endomorphin analogues containing alicyclic beta-amino acids: influence on bioactive conformation and pharmacological profile.
AID587661Displacement of [3H]DAMGO from mu opioid receptor in rat brain membrane homogenate by liquid scintillation counting2011Journal of medicinal chemistry, Mar-10, Volume: 54, Issue:5
Design, synthesis, pharmacological evaluation, and structure-activity study of novel endomorphin analogues with multiple structural modifications.
AID1667822Half life in Kunming mouse brain homogenate at 10'-2 mol/L by RP-HPLC analysis2020Bioorganic & medicinal chemistry, 05-01, Volume: 28, Issue:9
Design, synthesis, and biological activity of new endomorphin analogs with multi-site modifications.
AID12705Half-life in rat brain homogenate2004Journal of medicinal chemistry, Jan-29, Volume: 47, Issue:3
Structure-activity study on the Phe side chain arrangement of endomorphins using conformationally constrained analogues.
AID635911Antinociceptive activity in icv dosed in Swiss albino mouse assessed as rearing latency by hot plate method2011Bioorganic & medicinal chemistry, Dec-01, Volume: 19, Issue:23
Effect of 2',6'-dimethyl-L-tyrosine (Dmt) on pharmacological activity of cyclic endomorphin-2 and morphiceptin analogs.
AID1229431Displacement of [3H]nor-BNI from kappa opioid receptor in guinea pig brain membranes after 120 mins by scintillation counting analysis2015ACS medicinal chemistry letters, May-14, Volume: 6, Issue:5
Synthesis of mixed opioid affinity cyclic endomorphin-2 analogues with fluorinated phenylalanines.
AID149744Inhibition of Opioid receptor mu 1 of guinea pig ileum2004Journal of medicinal chemistry, Jan-29, Volume: 47, Issue:3
Structure-activity study on the Phe side chain arrangement of endomorphins using conformationally constrained analogues.
AID339692Displacement of [3H]Ile5,6deltorphin-2 from delta opioid receptor in Wistar rat brain2008Journal of medicinal chemistry, Jul-24, Volume: 51, Issue:14
New endomorphin analogues containing alicyclic beta-amino acids: influence on bioactive conformation and pharmacological profile.
AID1872051Degradation half life in rat brain homogenate2022Journal of medicinal chemistry, 02-10, Volume: 65, Issue:3
Analgesic Opioid Ligand Discovery Based on Nonmorphinan Scaffolds Derived from Natural Sources.
AID398175Selectivity ratio of IC50 for delta opioid receptor to IC50 for mu opioid receptor in Wistar rat brain membrane2009Bioorganic & medicinal chemistry, Jun-01, Volume: 17, Issue:11
Biological activity of endomorphin and [Dmt1]endomorphin analogs with six-membered proline surrogates in position 2.
AID1667834Agonist activity at mu opioid receptor (unknown origin) expressed in human HEK293 cells assessed as increase in cAMP accumulation using [3H]-cAMP as substrate measured after 30mins by liquid scintillation counting method relative to control2020Bioorganic & medicinal chemistry, 05-01, Volume: 28, Issue:9
Design, synthesis, and biological activity of new endomorphin analogs with multi-site modifications.
AID277691Antinociceptive activity in Swiss Albino mouse assessed as effect on jumping by hot plate method at 10 ug2007Journal of medicinal chemistry, Feb-08, Volume: 50, Issue:3
Synthesis and characterization of potent and selective mu-opioid receptor antagonists, [Dmt(1), D-2-Nal(4)]endomorphin-1 (Antanal-1) and [Dmt(1), D-2-Nal(4)]endomorphin-2 (Antanal-2).
AID268524Antinociceptive activity in mouse at 4ul, icv by hot plate test assessed as area under %MPE - time curve after 45 mins2006Bioorganic & medicinal chemistry letters, Jul-15, Volume: 16, Issue:14
Opioid receptor binding and antinociceptive activity of the analogues of endomorphin-2 and morphiceptin with phenylalanine mimics in the position 3 or 4.
AID396779Antinociceptive activity in Swiss albino CD1 mouse assessed as inhibition of paw licking at 100 ng, icv by hot plate test2009Bioorganic & medicinal chemistry, Jun-01, Volume: 17, Issue:11
Biological activity of endomorphin and [Dmt1]endomorphin analogs with six-membered proline surrogates in position 2.
AID449582Binding affinity to human mu opioid receptor2009Bioorganic & medicinal chemistry letters, Sep-15, Volume: 19, Issue:18
Molecular modeling studies to predict the possible binding modes of endomorphin analogs in mu opioid receptor.
AID78311In vitro inhibitory concentration against electrically induced twitches in guinea pig ileum2004Journal of medicinal chemistry, Jul-01, Volume: 47, Issue:14
Development of potent bifunctional endomorphin-2 analogues with mixed mu-/delta-opioid agonist and delta-opioid antagonist properties.
AID244332In vitro potency of EM-2 was measured towards Opioid receptor mu 1 using guinea pig ileum assay2005Bioorganic & medicinal chemistry letters, Apr-01, Volume: 15, Issue:7
Structure-activity relationship of the novel bivalent and C-terminal modified analogues of endomorphin-2.
AID635909Half life in Wistar rat brain at 0.5 mM by RP-HPLC analysis2011Bioorganic & medicinal chemistry, Dec-01, Volume: 19, Issue:23
Effect of 2',6'-dimethyl-L-tyrosine (Dmt) on pharmacological activity of cyclic endomorphin-2 and morphiceptin analogs.
AID152390Binding affinity towards mu receptor in rat brain using [3H]DAMGO relative to [Leu5]-enkephalin2001Journal of medicinal chemistry, Nov-08, Volume: 44, Issue:23
Pseudoproline-containing analogues of morphiceptin and endomorphin-2: evidence for a cis Tyr-Pro amide bond in the bioactive conformation.
AID266691Binding affinity to mu opioid receptor2006Journal of medicinal chemistry, Jun-29, Volume: 49, Issue:13
New 2',6'-dimethyl-L-tyrosine (Dmt) opioid peptidomimetics based on the Aba-Gly scaffold. Development of unique mu-opioid receptor ligands.
AID703060Displacement of [3H]U69593 from human kappa opioid receptor expressed in CHO cells after 60 mins by liquid scintillation counter2012Journal of medicinal chemistry, Oct-11, Volume: 55, Issue:19
cis-4-amino-L-proline residue as a scaffold for the synthesis of cyclic and linear endomorphin-2 analogues: part 2.
AID1562920Displacement of [3H]JWH-018 from CB1R/CB2R in Wistar rat brain membranes at 10 uM after 60 mins by liquid scintillation analysis2019European journal of medicinal chemistry, Sep-15, Volume: 178Preparation of bivalent agonists for targeting the mu opioid and cannabinoid receptors.
AID312059Displacement of [3H]DAMGO from mu opioid receptor in Wistar rat brain after 45 mins2008Journal of medicinal chemistry, Jan-10, Volume: 51, Issue:1
Endomorphin-2 with a beta-turn backbone constraint retains the potent micro-opioid receptor agonist properties.
AID1184628Selectivity ratio of IC50 for KOR in guinea pig brain membranes to IC50 for MOR in rat brain membranes2014Bioorganic & medicinal chemistry, Sep-01, Volume: 22, Issue:17
Antinociceptive and antidepressant-like action of endomorphin-2 analogs with proline surrogates in position 2.
AID314188Selectivity for mu opioid receptor over delta opioid receptor in rat brain membranes2008Bioorganic & medicinal chemistry letters, Feb-15, Volume: 18, Issue:4
Novel highly potent mu-opioid receptor antagonist based on endomorphin-2 structure.
AID243115Ratio of IC50s against Opioid receptor delta 1 was measured in mouse vas deferens to that of guinea pig ileum2005Bioorganic & medicinal chemistry letters, Apr-01, Volume: 15, Issue:7
Structure-activity relationship of the novel bivalent and C-terminal modified analogues of endomorphin-2.
AID312062Agonist activity at human mu opioid receptor expressed in CHO cells assessed as maximal stimulation of [35S]GTP-gamma-S binding2008Journal of medicinal chemistry, Jan-10, Volume: 51, Issue:1
Endomorphin-2 with a beta-turn backbone constraint retains the potent micro-opioid receptor agonist properties.
AID1667823Half life in Kunming mouse serum at 10'-2 mol/L by RP-HPLC analysis2020Bioorganic & medicinal chemistry, 05-01, Volume: 28, Issue:9
Design, synthesis, and biological activity of new endomorphin analogs with multi-site modifications.
AID1807974Antinociceptive activity in Kunming mouse model assessed as increase in paw withdrawal latency at 0.67 to 20 nmol, icv measured after 5 mins by radiant heat paw withdrawal assay2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID1184627Selectivity ratio of IC50 for DOR in rat brain membranes to IC50 for MOR in rat brain membranes2014Bioorganic & medicinal chemistry, Sep-01, Volume: 22, Issue:17
Antinociceptive and antidepressant-like action of endomorphin-2 analogs with proline surrogates in position 2.
AID1807970Metabolic stability in Kunming mouse serum assessed as half life measured upto 480 mins by RP-HPLC analysis2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID1808014Toxicity in Kunming mouse assessed as inhibition of gastrointestinal transit at 10 micromol/kg, sc by charcoal meal test (Rvb = 70.3 +/- 3 %)2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID635905Displacement of [3H]DAMGO from Wistar rat mu opioid receptor by liquid scintillation counting2011Bioorganic & medicinal chemistry, Dec-01, Volume: 19, Issue:23
Effect of 2',6'-dimethyl-L-tyrosine (Dmt) on pharmacological activity of cyclic endomorphin-2 and morphiceptin analogs.
AID760559Selectivity ratio of Ki for mu opioid receptor (unknown origin) expressed in CHO cells to Ki for delta opioid receptor (unknown origin) expressed in CHO cells2013ACS medicinal chemistry letters, Aug-08, Volume: 4, Issue:8
Structural and biological exploration of phe(3)-phe(4)-modified endomorphin-2 peptidomimetics.
AID268523Antinociceptive activity in mouse at 4ul, icv by hot plate test assessed as area under %MPE - time curve after 30 mins2006Bioorganic & medicinal chemistry letters, Jul-15, Volume: 16, Issue:14
Opioid receptor binding and antinociceptive activity of the analogues of endomorphin-2 and morphiceptin with phenylalanine mimics in the position 3 or 4.
AID705244Half life in Wistar rat brain homogenate2012Journal of medicinal chemistry, Oct-11, Volume: 55, Issue:19
The effect of Pro(2) modifications on the structural and pharmacological properties of endomorphin-2.
AID312063Agonist activity at mu opioid receptor in rat brain assessed as maximal stimulation of [35S]GTP-gamma-S binding relative to basal level2008Journal of medicinal chemistry, Jan-10, Volume: 51, Issue:1
Endomorphin-2 with a beta-turn backbone constraint retains the potent micro-opioid receptor agonist properties.
AID1275474Displacement of [3H][Ile5,6]deltorphin-2 from DOR in Wistar rat brain homogenates by liquid scintillation counting analysis2016European journal of medicinal chemistry, Feb-15, Volume: 109Synthesis of mixed MOR/KOR efficacy cyclic opioid peptide analogs with antinociceptive activity after systemic administration.
AID698507Displacement of [3H]DAMGO from FLAG-tagged mu opioid receptor expressed in HEK293 cells after 60 mins by liquid scintillation counter2012Journal of medicinal chemistry, Jul-12, Volume: 55, Issue:13
A new class of highly potent and selective endomorphin-1 analogues containing α-methylene-β-aminopropanoic acids (map).
AID398174Displacement of [3H][Ile5,6]deltorphin-2 from delta opioid receptor in Wistar rat brain membrane2009Bioorganic & medicinal chemistry, Jun-01, Volume: 17, Issue:11
Biological activity of endomorphin and [Dmt1]endomorphin analogs with six-membered proline surrogates in position 2.
AID1872055Stability in rat brain homogenate assessed as half life2022Journal of medicinal chemistry, 02-10, Volume: 65, Issue:3
Analgesic Opioid Ligand Discovery Based on Nonmorphinan Scaffolds Derived from Natural Sources.
AID1807966Agonist activity at mu-opioid receptor (unknown origin) expressed in HEK293 cells assessed as inhibition of forskolin-induced cAMP accumulation incubated for 15 mins by ELISA relative to control2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID242998Relative binding to delta and mu Opioid receptors (ratio of Ki)2005Journal of medicinal chemistry, Jan-27, Volume: 48, Issue:2
Development of potent mu-opioid receptor ligands using unique tyrosine analogues of endomorphin-2.
AID635915Antinociceptive activity in Swiss albino mouse assessed as jumping latency at 3 ug, icv after 5 to 10 mins by hot plate method2011Bioorganic & medicinal chemistry, Dec-01, Volume: 19, Issue:23
Effect of 2',6'-dimethyl-L-tyrosine (Dmt) on pharmacological activity of cyclic endomorphin-2 and morphiceptin analogs.
AID239267Inhibition of [3H]naloxone binding to rat brain homogenate Opioid receptor mu2005Bioorganic & medicinal chemistry letters, May-16, Volume: 15, Issue:10
6-Hydroxy-1,2,3,4-tetrahydro-isoquinoline-3-carboxylic acid mimics active conformation of tyrosine in opioid peptides.
AID314196Antinociceptive activity in mouse assessed as jumping latency at 3 ug, icv by hot plate test2008Bioorganic & medicinal chemistry letters, Feb-15, Volume: 18, Issue:4
Novel highly potent mu-opioid receptor antagonist based on endomorphin-2 structure.
AID635910Antinociceptive activity in icv dosed in Swiss albino mouse assessed as paw licking latency by hot plate method2011Bioorganic & medicinal chemistry, Dec-01, Volume: 19, Issue:23
Effect of 2',6'-dimethyl-L-tyrosine (Dmt) on pharmacological activity of cyclic endomorphin-2 and morphiceptin analogs.
AID408813Displacement of [3H]DAMGO from mu opioid receptor in rat brain membrane2008Bioorganic & medicinal chemistry, Jun-15, Volume: 16, Issue:12
Structure-activity study of endomorphin-2 analogs with C-terminal modifications by NMR spectroscopy and molecular modeling.
AID1600059Agonist activity at human recombinant MOR expressed in CHO cells co-expressing C-terminally modified Galphaqi5 assessed as induction of calcium mobilization by Fluo-4AM dye-based fluorescence assay
AID244331Relative potency of EM-2 measured towards Opioid receptor delta 1 assayed with [3H]DPDPE2005Bioorganic & medicinal chemistry letters, Apr-01, Volume: 15, Issue:7
Structure-activity relationship of the novel bivalent and C-terminal modified analogues of endomorphin-2.
AID1184624Displacement of [3H]DAMGO from MOR in rat brain membranes2014Bioorganic & medicinal chemistry, Sep-01, Volume: 22, Issue:17
Antinociceptive and antidepressant-like action of endomorphin-2 analogs with proline surrogates in position 2.
AID293119Agonist activity at mu opioid receptor in Hartley guinea pig intestine assessed as inhibition of electrically evoked myenteric plexus longitudinal muscle contractions2007Bioorganic & medicinal chemistry, Feb-01, Volume: 15, Issue:3
Transformation of mu-opioid receptor agonists into biologically potent mu-opioid receptor antagonists.
AID149671Binding affinity against rat brain opioid receptor delta 1 using [3H]DPDPE radioligand2004Journal of medicinal chemistry, Jul-01, Volume: 47, Issue:14
Development of potent bifunctional endomorphin-2 analogues with mixed mu-/delta-opioid agonist and delta-opioid antagonist properties.
AID1872049Stability in mouse serum assessed as half life2022Journal of medicinal chemistry, 02-10, Volume: 65, Issue:3
Analgesic Opioid Ligand Discovery Based on Nonmorphinan Scaffolds Derived from Natural Sources.
AID1667818Displacement of [3H]-DPDPE from Wistar rat delta opioid receptor incubated for 3 hrs by liquid scintillation counting method2020Bioorganic & medicinal chemistry, 05-01, Volume: 28, Issue:9
Design, synthesis, and biological activity of new endomorphin analogs with multi-site modifications.
AID1498740Displacement of [3H]SP1-7 from NK1 receptor in Sprague-Dawley rat spinal cord membranes after 60 mins by scintillation counting method2018Bioorganic & medicinal chemistry letters, 08-01, Volume: 28, Issue:14
An imidazole based H-Phe-Phe-NH
AID238756Inhibition of [3H]DAMGO binding to mu-Opioid receptor2005Journal of medicinal chemistry, Jan-27, Volume: 48, Issue:2
Development of potent mu-opioid receptor ligands using unique tyrosine analogues of endomorphin-2.
AID1807983Antinociceptive activity in Kunming mouse model assessed as increase in paw withdrawal latency at 10 micromol/kg, sc by radiant heat paw withdrawal assay2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID132865in vitro inhibition of electrically evoked contractions of MVD (Mouse vas deferens)2001Journal of medicinal chemistry, Nov-08, Volume: 44, Issue:23
Pseudoproline-containing analogues of morphiceptin and endomorphin-2: evidence for a cis Tyr-Pro amide bond in the bioactive conformation.
AID698506Agonist activity at delta opioid receptor in Kunming mouse vas deferens assessed as inhibition of electrically-stimulated muscle contraction2012Journal of medicinal chemistry, Jul-12, Volume: 55, Issue:13
A new class of highly potent and selective endomorphin-1 analogues containing α-methylene-β-aminopropanoic acids (map).
AID1807982Antinociceptive activity in Kunming mouse model assessed as increase in paw withdrawal latency at 20 nmol, icv pretreated for 30 mins with nor-BNI followed by compound addition and measured upto 10 mins by radiant heat paw withdrawal assay2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID226741Relative inhibition of mu opioid receptor of guinea pig ileum and mouse vas deferens2004Journal of medicinal chemistry, Jan-29, Volume: 47, Issue:3
Structure-activity study on the Phe side chain arrangement of endomorphins using conformationally constrained analogues.
AID635906Displacement of [3H][Ile5,6]deltorphin 2 from delta opioid receptor in Wistar rat brain membrane by liquid scintillation counting2011Bioorganic & medicinal chemistry, Dec-01, Volume: 19, Issue:23
Effect of 2',6'-dimethyl-L-tyrosine (Dmt) on pharmacological activity of cyclic endomorphin-2 and morphiceptin analogs.
AID239109Mean value of binding constant for Opioid receptors assayed with [3H]DPDPE2005Bioorganic & medicinal chemistry letters, Apr-01, Volume: 15, Issue:7
Structure-activity relationship of the novel bivalent and C-terminal modified analogues of endomorphin-2.
AID1196464Displacement of [3H]DAMGO from rat cortex mu opioid receptor after 30 mins by liquid scintillation counting analysis2015European journal of medicinal chemistry, Mar-06, Volume: 92Synthesis and biological evaluations of novel endomorphin analogues containing α-hydroxy-β-phenylalanine (AHPBA) displaying mixed μ/δ opioid receptor agonist and δ opioid receptor antagonist activities.
AID231320Relative affinity for delta and kappa opioid receptors2004Journal of medicinal chemistry, Jan-29, Volume: 47, Issue:3
Structure-activity study on the Phe side chain arrangement of endomorphins using conformationally constrained analogues.
AID1807971Octanol/buffer distribution coefficient, log D of the compound at pH 7.4 by RP-HPLC analysis2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID1536312Agonist activity at delta-opioid receptor (unknown origin) expressed in HEK293A cells assessed as inhibition of forskolin-induced cAMP accumulation measured after 30 mins
AID1872037Displacement of [3H]DAMGO from Wistar rat brain membrane MOP2022Journal of medicinal chemistry, 02-10, Volume: 65, Issue:3
Analgesic Opioid Ligand Discovery Based on Nonmorphinan Scaffolds Derived from Natural Sources.
AID293118Selectivity for rat mu opioid receptor over rat delta opioid receptor2007Bioorganic & medicinal chemistry, Feb-01, Volume: 15, Issue:3
Transformation of mu-opioid receptor agonists into biologically potent mu-opioid receptor antagonists.
AID396787Antinociceptive activity in Swiss albino CD1 mouse assessed as duration of inhibition of jumping at 3 ng, icv by hot plate test2009Bioorganic & medicinal chemistry, Jun-01, Volume: 17, Issue:11
Biological activity of endomorphin and [Dmt1]endomorphin analogs with six-membered proline surrogates in position 2.
AID1184629Half life in rat brain homogenate by RP-HPLC analysis2014Bioorganic & medicinal chemistry, Sep-01, Volume: 22, Issue:17
Antinociceptive and antidepressant-like action of endomorphin-2 analogs with proline surrogates in position 2.
AID1600055Displacement of [3H]DAMGO from human recombinant MOR expressed in CHO cell membranes incubated for 2 hrs by liquid scintillation counting method
AID339694Selectivity ratio of Ki for displacement of [3H]endomorphin-2 from mu opioid receptor over Ki for displacement of [3H]Ile5,6deltorphin-2 from delta opioid receptor in Wistar rat brain2008Journal of medicinal chemistry, Jul-24, Volume: 51, Issue:14
New endomorphin analogues containing alicyclic beta-amino acids: influence on bioactive conformation and pharmacological profile.
AID1275476Stability of compound in Wistar rat brain homogenate assessed as compound remaining after 90 mins by RP-HPLC analysis2016European journal of medicinal chemistry, Feb-15, Volume: 109Synthesis of mixed MOR/KOR efficacy cyclic opioid peptide analogs with antinociceptive activity after systemic administration.
AID339696Half life in rat brain membrane homogenate2008Journal of medicinal chemistry, Jul-24, Volume: 51, Issue:14
New endomorphin analogues containing alicyclic beta-amino acids: influence on bioactive conformation and pharmacological profile.
AID288661Agonist activity at mu opioid receptor in Hartley guinea pig ileum assessed as inhibition of electrically-stimulated muscle contraction2007Journal of medicinal chemistry, Jun-14, Volume: 50, Issue:12
Bifunctional [2',6'-dimethyl-L-tyrosine1]endomorphin-2 analogues substituted at position 3 with alkylated phenylalanine derivatives yield potent mixed mu-agonist/delta-antagonist and dual mu-agonist/delta-agonist opioid ligands.
AID698509Selectivity ratio of Ki for Myc-tagged delta opioid receptor to Ki for FLAG-tagged mu opioid receptor2012Journal of medicinal chemistry, Jul-12, Volume: 55, Issue:13
A new class of highly potent and selective endomorphin-1 analogues containing α-methylene-β-aminopropanoic acids (map).
AID1173779Displacement of [3H]DAMGO from MOR in Wistar rat brain membranes by liquid scintillation counting method2014Bioorganic & medicinal chemistry, Dec-01, Volume: 22, Issue:23
Cyclic side-chain-linked opioid analogs utilizing cis- and trans-4-aminocyclohexyl-D-alanine.
AID1807969Metabolic stability in Kunming mouse brain assessed as half life measured upto 480 mins by RP-HPLC analysis2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID251658Inhibition of electrically evoked contraction in mice by tail flick method2005Journal of medicinal chemistry, Jan-27, Volume: 48, Issue:2
Development of potent mu-opioid receptor ligands using unique tyrosine analogues of endomorphin-2.
AID288662Agonist activity at delta opioid receptor in mouse vas deferens assessed as inhibition of electrically-stimulated muscle contraction2007Journal of medicinal chemistry, Jun-14, Volume: 50, Issue:12
Bifunctional [2',6'-dimethyl-L-tyrosine1]endomorphin-2 analogues substituted at position 3 with alkylated phenylalanine derivatives yield potent mixed mu-agonist/delta-antagonist and dual mu-agonist/delta-agonist opioid ligands.
AID151770Displacement of [3H]DAMGO from Opioid receptor mu 1 of rat brain membranes2004Journal of medicinal chemistry, Jan-29, Volume: 47, Issue:3
Structure-activity study on the Phe side chain arrangement of endomorphins using conformationally constrained analogues.
AID1872038Displacement of [3H]-[Ile5,6]-deltorphin-2 from Wistar rat brain membrane DOP2022Journal of medicinal chemistry, 02-10, Volume: 65, Issue:3
Analgesic Opioid Ligand Discovery Based on Nonmorphinan Scaffolds Derived from Natural Sources.
AID635907Selectivity ratio of IC50 for delta opioid receptor in Wistar rat brain membrane to IC50 for mu opioid receptor in Wistar rat brain membrane2011Bioorganic & medicinal chemistry, Dec-01, Volume: 19, Issue:23
Effect of 2',6'-dimethyl-L-tyrosine (Dmt) on pharmacological activity of cyclic endomorphin-2 and morphiceptin analogs.
AID231287Ratio of binding affinity against rat brain delta opioid receptor to that of mu opioid receptor2004Journal of medicinal chemistry, Jul-01, Volume: 47, Issue:14
Development of potent bifunctional endomorphin-2 analogues with mixed mu-/delta-opioid agonist and delta-opioid antagonist properties.
AID408817Agonist activity at delta opioid receptor in mouse vas deferens assessed as inhibition of electrically-stimulated contraction2008Bioorganic & medicinal chemistry, Jun-15, Volume: 16, Issue:12
Structure-activity study of endomorphin-2 analogs with C-terminal modifications by NMR spectroscopy and molecular modeling.
AID1275477Antinociceptive activity in icv dosed BalbC albino mouse assessed as latency of jumping after 10 mins by hot-plate method2016European journal of medicinal chemistry, Feb-15, Volume: 109Synthesis of mixed MOR/KOR efficacy cyclic opioid peptide analogs with antinociceptive activity after systemic administration.
AID293117Displacement of [3H]deltorphin 2 from delta opioid receptor in rat brain P2 synaptosome2007Bioorganic & medicinal chemistry, Feb-01, Volume: 15, Issue:3
Transformation of mu-opioid receptor agonists into biologically potent mu-opioid receptor antagonists.
AID1129802Selectivity ratio of Ki for delta opioid receptor (unknown origin) to Ki for mu opioid receptor (unknown origin)2014Bioorganic & medicinal chemistry, Apr-01, Volume: 22, Issue:7
Endomorphin analogues with mixed μ-opioid (MOP) receptor agonism/δ-opioid (DOP) receptor antagonism and lacking β-arrestin2 recruitment activity.
AID484193Agonist activity at mu opioid receptor in guinea pig ileum assessed as inhibition of electrically-stimulated muscle contraction2010Journal of medicinal chemistry, Jun-10, Volume: 53, Issue:11
Synthesis and evaluation of new endomorphin-2 analogues containing (Z)-alpha,beta-didehydrophenylalanine (Delta(Z)Phe) residues.
AID1808003Antinociceptive tolerance in Kunming mouse pretreated with 3 times ED50 of compound for 2 hrs followed by challenge with second dose of compound by radiant heat paw withdrawal test2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID1807979Antinociceptive activity in Kunming mouse model assessed as increase in paw withdrawal latency at 20 nmol, icv pretreated for 4 hrs with beta-FNA followed by compound addition and measured upto 10 mins by radiant heat paw withdrawal assay2021Journal of medicinal chemistry, 11-25, Volume: 64, Issue:22
Novel Cyclic Endomorphin Analogues with Multiple Modifications and Oligoarginine Vector Exhibit Potent Antinociception with Reduced Opioid-like Side Effects.
AID1275489Agonist activity at human recombinant MOR expressed in CHO cells assessed as calcium mobilization by Fluo-4 AM based fluorescence analysis2016European journal of medicinal chemistry, Feb-15, Volume: 109Synthesis of mixed MOR/KOR efficacy cyclic opioid peptide analogs with antinociceptive activity after systemic administration.
AID1600057Displacement of [3H]U-69593 from human recombinant KOR expressed in CHO cell membranes incubated for 2 hrs by liquid scintillation counting method
AID1600058n-Octanol/water partition coefficient, log P of compound at 50 ug at pH 7.4 measured after 2 mins by RP-HPLC analysis
AID151138Inhibition of Mu opioid receptor of mouse vas deferens2004Journal of medicinal chemistry, Jan-29, Volume: 47, Issue:3
Structure-activity study on the Phe side chain arrangement of endomorphins using conformationally constrained analogues.
AID1667836Antinociceptive activity in kunming mouse models assessed as maximum possible effect at 4 nmol, icv measured from 5 to 60 mins by warm water tail-flick assay relative to control2020Bioorganic & medicinal chemistry, 05-01, Volume: 28, Issue:9
Design, synthesis, and biological activity of new endomorphin analogs with multi-site modifications.
AID293116Displacement of [3H]DAMGO from mu opioid receptor in rat brain P2 synaptosome2007Bioorganic & medicinal chemistry, Feb-01, Volume: 15, Issue:3
Transformation of mu-opioid receptor agonists into biologically potent mu-opioid receptor antagonists.
AID1346400Rat mu receptor (Opioid receptors)1997Nature, Apr-03, Volume: 386, Issue:6624
A potent and selective endogenous agonist for the mu-opiate receptor.
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (437)

TimeframeStudies, This Drug (%)All Drugs %
pre-19900 (0.00)18.7374
1990's58 (13.27)18.2507
2000's251 (57.44)29.6817
2010's115 (26.32)24.3611
2020's13 (2.97)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 18.40

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be moderate demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index18.40 (24.57)
Research Supply Index6.10 (2.92)
Research Growth Index4.67 (4.65)
Search Engine Demand Index39.34 (26.88)
Search Engine Supply Index4.00 (0.95)

This Compound (18.40)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials0 (0.00%)5.53%
Reviews26 (5.87%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other417 (94.13%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]