Compounds > enkephalin-met, arg(6)-phe(7)-
Page last updated: 2024-11-07

enkephalin-met, arg(6)-phe(7)-

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Cross-References

ID SourceID
PubMed CID123789
CHEBI ID80265
MeSH IDM0089356

Synonyms (23)

Synonym
met-enkephalin-arg-phe
yggfmrf
tyr-gly-gly-phe-met-arg-phe
(2s)-2-[[(2s)-2-[[(2s)-2-[[(2s)-2-[[2-[[2-[[(2s)-2-amino-3-(4-hydroxyphenyl)propanoyl]amino]acetyl]amino]acetyl]amino]-3-phenylpropanoyl]amino]-4-methylsulfanylbutanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]amino]-3-phenylpropanoic acid
73024-95-0
l-phenylalanine, n-(n(2)-(n-(n-(n-(n-l-tyrosylglycyl)glycyl)-l-phenylalanyl)-l-methionyl)-l-arginyl)-
methionine-enkephalin, arg(6)-phe(7)-
methionine-enkephalin-arginine-phenylalanine
enkephalin-met, arg(6)-phe(7)-
enkephalin met, heptapeptide
met-enkephalin, arg(6)-phe(7)-
met-enk-ap
tyrosyl-glycyl-glycyl-phenylalanyl-methionyl-arginyl-phenylalanine
6-arg-7-phe-met-enkephalin
enkephalin-met, arginyl(6)-phenylalanine(7)-
h-tyr-gly-gly-phe-met-arg-phe-oh
mfcd00076425
met-enkephalin-arg-phe (h-l-tyr-gly-gly-l-phe-l-met-l-arg-l-phe-oh)
(2s,5s,8s,11s,20s)-20-amino-2,11-dibenzyl-5-(3-guanidinopropyl)-21-(4-hydroxyphenyl)-8-(2-(methylthio)ethyl)-4,7,10,13,16,19-hexaoxo-3,6,9,12,15,18-hexaazahenicosan-1-oic acid
CHEBI:80265
PD150438
CS-0647109
HY-P4196

Research Excerpts

Dosage Studied

ExcerptRelevanceReference
" A dose-response was constructed by administering the delta-receptor opioid methionine-enkephalin-arginine-phenylalanine (MEAP) by microdialysis into the interstitium of the canine sinoatrial node during vagal and sympathetic stimulation."( Vagotonic effects of enkephalin are not mediated by sympatholytic mechanisms.
Barlow, MA; Caffrey, JL; Deo, S; Johnson, S, 2006)		0.33
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Drug Classes (1)

ClassDescription
organic molecular entityAny molecular entity that contains carbon.
[compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Research

Studies (181)

TimeframeStudies, This Drug (%)All Drugs %
pre-1990104 (57.46)18.7374
1990's35 (19.34)18.2507
2000's32 (17.68)29.6817
2010's9 (4.97)24.3611
2020's1 (0.55)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 8.91

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 weak demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index8.91 (24.57)
Research Supply Index5.25 (2.92)
Research Growth Index4.16 (4.65)
Search Engine Demand Index0.00 (26.88)
Search Engine Supply Index0.00 (0.95)

This Compound (8.91)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials1 (0.53%)5.53%
Reviews2 (1.06%)6.00%
Case Studies1 (0.53%)4.05%
Observational0 (0.00%)0.25%
Other185 (97.88%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]
SubstanceRelationship StrengthStudiesTrialsClassesRoles
chlorine
chloride : A halide anion formed when chlorine picks up an electron to form an an anion.		2.3820halide anion;
monoatomic chlorine		cofactor;
Escherichia coli metabolite;
human metabolite
histamine
[no description available]		1.9610aralkylamino compound;
imidazoles		human metabolite;
mouse metabolite;
neurotransmitter
nitrous oxide
Nitrous Oxide: Nitrogen oxide (N2O). A colorless, odorless gas that is used as an anesthetic and analgesic. High concentrations cause a narcotic effect and may replace oxygen, causing death by asphyxia. It is also used as a food aerosol in the preparation of whipping cream.. dinitrogen oxide : A nitrogen oxide consisting of linear unsymmetrical molecules with formula N2O. While it is the most used gaseous anaesthetic in the world, its major commercial use, due to its solubility under pressure in vegetable fats combined with its non-toxicity in low concentrations, is as an aerosol spray propellant and aerating agent for canisters of 'whipped' cream.		1.9810gas molecular entity;
nitrogen oxide		analgesic;
bacterial metabolite;
food packaging gas;
food propellant;
general anaesthetic;
greenhouse gas;
inhalation anaesthetic;
NMDA receptor antagonist;
raising agent;
refrigerant;
vasodilator agent
7-nitroindazole
7-nitroindazole: an inhibitor of nitric oxide synthase; exhibits anti-nociceptive activity without increasing blood pressure		2.0110
thiorphan
Thiorphan: A potent inhibitor of membrane metalloendopeptidase (ENKEPHALINASE). Thiorphan potentiates morphine-induced ANALGESIA and attenuates naloxone-precipitated withdrawal symptoms.		3.0650N-acyl-amino acid
fenfluramine
Fenfluramine: A centrally active drug that apparently both blocks serotonin uptake and provokes transport-mediated serotonin release.. fenfluramine : A secondary amino compound that is 1-phenyl-propan-2-amine in which one of the meta-hydrogens is substituted by trifluoromethyl, and one of the hydrogens attached to the nitrogen is substituted by an ethyl group. It binds to the serotonin reuptake pump, causing inhbition of serotonin uptake and release of serotonin. The resulting increased levels of serotonin lead to greater serotonin receptor activation which in turn lead to enhancement of serotoninergic transmission in the centres of feeding behavior located in the hypothalamus. This suppresses the appetite for carbohydrates. Fenfluramine was used as the hydrochloride for treatment of diabetes and obesity. It was withdrawn worldwide after reports of heart valve disease and pulmonary hypertension.		1.9610(trifluoromethyl)benzenes;
secondary amino compound		appetite depressant;
serotonergic agonist;
serotonin uptake inhibitor
fentanyl
Fentanyl: A potent narcotic analgesic, abuse of which leads to habituation or addiction. It is primarily a mu-opioid agonist. Fentanyl is also used as an adjunct to general anesthetics, and as an anesthetic for induction and maintenance. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1078). fentanyl : A monocarboxylic acid amide resulting from the formal condensation of the aryl amino group of N-phenyl-1-(2-phenylethyl)piperidin-4-amine with propanoic acid.		2.4120anilide;
monocarboxylic acid amide;
piperidines		adjuvant;
anaesthesia adjuvant;
anaesthetic;
intravenous anaesthetic;
mu-opioid receptor agonist;
opioid analgesic
haloperidol
Haloperidol: A phenyl-piperidinyl-butyrophenone that is used primarily to treat SCHIZOPHRENIA and other PSYCHOSES. It is also used in schizoaffective disorder, DELUSIONAL DISORDERS, ballism, and TOURETTE SYNDROME (a drug of choice) and occasionally as adjunctive therapy in INTELLECTUAL DISABILITY and the chorea of HUNTINGTON DISEASE. It is a potent antiemetic and is used in the treatment of intractable HICCUPS. (From AMA Drug Evaluations Annual, 1994, p279). haloperidol : A compound composed of a central piperidine structure with hydroxy and p-chlorophenyl substituents at position 4 and an N-linked p-fluorobutyrophenone moiety.		2.3920aromatic ketone;
hydroxypiperidine;
monochlorobenzenes;
organofluorine compound;
tertiary alcohol		antidyskinesia agent;
antiemetic;
dopaminergic antagonist;
first generation antipsychotic;
serotonergic antagonist
ibuprofen
Midol: combination of cinnamedrine, phenacetin, aspirin & caffeine		1.9610monocarboxylic acidantipyretic;
cyclooxygenase 1 inhibitor;
cyclooxygenase 2 inhibitor;
drug allergen;
environmental contaminant;
geroprotector;
non-narcotic analgesic;
non-steroidal anti-inflammatory drug;
radical scavenger;
xenobiotic
1-methyl-3-isobutylxanthine
1-Methyl-3-isobutylxanthine: A potent cyclic nucleotide phosphodiesterase inhibitor; due to this action, the compound increases cyclic AMP and cyclic GMP in tissue and thereby activates CYCLIC NUCLEOTIDE-REGULATED PROTEIN KINASES. 3-isobutyl-1-methylxanthine : An oxopurine that is xanthine which is substituted at positions 1 and 3 by methyl and isobutyl groups, respectively.		2.39203-isobutyl-1-methylxanthine
methadone
Methadone: A synthetic opioid that is used as the hydrochloride. It is an opioid analgesic that is primarily a mu-opioid agonist. It has actions and uses similar to those of MORPHINE. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1082-3). methadone : A racemate comprising equimolar amounts of dextromethadone and levomethadone. It is a opioid analgesic which is used as a painkiller and as a substitute for heroin in the treatment of heroin addiction.. 6-(dimethylamino)-4,4-diphenylheptan-3-one : A ketone that is heptan-3-one substituted by a dimethylamino group at position 6 and two phenyl groups at position 4.		2.3920benzenes;
diarylmethane;
ketone;
tertiary amino compound
fenclonine
Fenclonine: A selective and irreversible inhibitor of tryptophan hydroxylase, a rate-limiting enzyme in the biosynthesis of serotonin (5-HYDROXYTRYPTAMINE). Fenclonine acts pharmacologically to deplete endogenous levels of serotonin.		1.9610phenylalanine derivative
proglumide
Proglumide: A drug that exerts an inhibitory effect on gastric secretion and reduces gastrointestinal motility. It is used clinically in the drug therapy of gastrointestinal ulcers.. proglumide : A racemate composed of equal amounts of (R)- and (S)-proglumide. A non-selective CCK antagonist that was used primarily for treatment of stomach ulcers, but has been replaced by newer drugs.. N(2)-benzoyl-N,N-dipropyl-alpha-glutamine : A dicarboxylic acid monoamide obtained by formal condensation of the alpha-carboxy group of N-benzoylglutamic acid with dippropylamine.		1.9610benzamides;
dicarboxylic acid monoamide;
glutamine derivative;
racemate		anti-ulcer drug;
cholecystokinin antagonist;
cholinergic antagonist;
delta-opioid receptor agonist;
drug metabolite;
gastrointestinal drug;
opioid analgesic;
xenobiotic metabolite
propranolol
Propranolol: A widely used non-cardioselective beta-adrenergic antagonist. Propranolol has been used for MYOCARDIAL INFARCTION; ARRHYTHMIA; ANGINA PECTORIS; HYPERTENSION; HYPERTHYROIDISM; MIGRAINE; PHEOCHROMOCYTOMA; and ANXIETY but adverse effects instigate replacement by newer drugs.. propranolol : A propanolamine that is propan-2-ol substituted by a propan-2-ylamino group at position 1 and a naphthalen-1-yloxy group at position 3.		1.9710naphthalenes;
propanolamine;
secondary amine		anti-arrhythmia drug;
antihypertensive agent;
anxiolytic drug;
beta-adrenergic antagonist;
environmental contaminant;
human blood serum metabolite;
vasodilator agent;
xenobiotic
tetraethylammonium
Tetraethylammonium: A potassium-selective ion channel blocker. (From J Gen Phys 1994;104(1):173-90)		1.9610quaternary ammonium ion
tiopronin
Tiopronin: Sulfhydryl acylated derivative of GLYCINE.		2.8840N-acyl-amino acid
corticosterone
[no description available]		2.713011beta-hydroxy steroid;
20-oxo steroid;
21-hydroxy steroid;
3-oxo-Delta(4) steroid;
C21-steroid;
glucocorticoid;
primary alpha-hydroxy ketone		human metabolite;
mouse metabolite
reserpine
Reserpine: An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria. Reserpine inhibits the uptake of norepinephrine into storage vesicles resulting in depletion of catecholamines and serotonin from central and peripheral axon terminals. It has been used as an antihypertensive and an antipsychotic as well as a research tool, but its adverse effects limit its clinical use.. reserpine : An alkaloid found in the roots of Rauwolfia serpentina and R. vomitoria.		2.3720alkaloid ester;
methyl ester;
yohimban alkaloid		adrenergic uptake inhibitor;
antihypertensive agent;
EC 3.4.21.26 (prolyl oligopeptidase) inhibitor;
environmental contaminant;
first generation antipsychotic;
plant metabolite;
xenobiotic
penicillamine
Penicillamine: 3-Mercapto-D-valine. The most characteristic degradation product of the penicillin antibiotics. It is used as an antirheumatic and as a chelating agent in Wilson's disease.. penicillamine : An alpha-amino acid having the structure of valine substituted at the beta position with a sulfanyl group.		2.0110non-proteinogenic alpha-amino acid;
penicillamine		antirheumatic drug;
chelator;
copper chelator;
drug allergen
pentylenetetrazole
Pentylenetetrazole: A pharmaceutical agent that displays activity as a central nervous system and respiratory stimulant. It is considered a non-competitive GAMMA-AMINOBUTYRIC ACID antagonist. Pentylenetetrazole has been used experimentally to study seizure phenomenon and to identify pharmaceuticals that may control seizure susceptibility.. pentetrazol : An organic heterobicyclic compound that is 1H-tetrazole in which the hydrogens at positions 1 and 5 are replaced by a pentane-1,5-diyl group. A central and respiratory stimulant, it was formerly used for the treatment of cough and other respiratory tract disorders, cardiovascular disorders including hypotension, and pruritis.		1.9910organic heterobicyclic compound;
organonitrogen heterocyclic compound
bromodeoxyuridine
Bromodeoxyuridine: A nucleoside that substitutes for thymidine in DNA and thus acts as an antimetabolite. It causes breaks in chromosomes and has been proposed as an antiviral and antineoplastic agent. It has been given orphan drug status for use in the treatment of primary brain tumors.		2.0210pyrimidine 2'-deoxyribonucleosideantimetabolite;
antineoplastic agent
leucine
Leucine: An essential branched-chain amino acid important for hemoglobin formation.. leucine : A branched-chain amino acid that consists of glycine in which one of the hydrogens attached to the alpha-carbon is substituted by an isobutyl group.		2.6630amino acid zwitterion;
L-alpha-amino acid;
leucine;
proteinogenic amino acid;
pyruvate family amino acid		algal metabolite;
Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite
methacholine chloride
Methacholine Chloride: A quaternary ammonium parasympathomimetic agent with the muscarinic actions of ACETYLCHOLINE. It is hydrolyzed by ACETYLCHOLINESTERASE at a considerably slower rate than ACETYLCHOLINE and is more resistant to hydrolysis by nonspecific CHOLINESTERASES so that its actions are more prolonged. It is used as a parasympathomimetic bronchoconstrictor agent and as a diagnostic aid for bronchial asthma. (From Martindale, The Extra Pharmacopoeia, 30th ed, p1116)		2.420quaternary ammonium salt
egtazic acid
Egtazic Acid: A chelating agent relatively more specific for calcium and less toxic than EDETIC ACID.. ethylene glycol bis(2-aminoethyl)tetraacetic acid : A diether that is ethylene glycol in which the hydrogens of the hydroxy groups have been replaced by 2-[bis(carboxymethyl)amino]ethyl group respectively.		1.9910diether;
tertiary amino compound;
tetracarboxylic acid		chelator
arginine
Arginine: An essential amino acid that is physiologically active in the L-form.. arginine : An alpha-amino acid that is glycine in which the alpha-is substituted by a 3-guanidinopropyl group.		2.0110arginine;
glutamine family amino acid;
L-alpha-amino acid;
proteinogenic amino acid		biomarker;
Escherichia coli metabolite;
micronutrient;
mouse metabolite;
nutraceutical
pyrrolidonecarboxylic acid
Pyrrolidonecarboxylic Acid: A cyclized derivative of L-GLUTAMIC ACID. Elevated blood levels may be associated with problems of GLUTAMINE or GLUTATHIONE metabolism.. 5-oxo-L-proline : An optically active form of 5-oxoproline having L-configuration.		1.97105-oxoproline;
L-proline derivative;
non-proteinogenic L-alpha-amino acid		algal metabolite
diphenhydramine hydrochloride
Antitussive Agents: Agents that suppress cough. They act centrally on the medullary cough center. EXPECTORANTS, also used in the treatment of cough, act locally.. diphenhydramine hydrochloride : The hydrochloride salt of diphenhydramine.		1.9810hydrochloride;
organoammonium salt		anti-allergic agent;
antiemetic;
antiparkinson drug;
antipruritic drug;
H1-receptor antagonist;
local anaesthetic;
muscarinic antagonist;
sedative
indazoles
Indazoles: A group of heterocyclic aromatic organic compounds consisting of the fusion of BENZENE and PYRAZOLES.		2.0110indazole
nandrolone
Nandrolone: C18 steroid with androgenic and anabolic properties. It is generally prepared from alkyl ethers of ESTRADIOL to resemble TESTOSTERONE but less one carbon at the 19 position.. nandrolone : A 3-oxo Delta(4)-steroid that is estr-4-en-3-one substituted by a beta-hydroxy group at position 17.		21017beta-hydroxy steroid;
3-oxo-Delta(4) steroid;
anabolic androgenic steroid		human metabolite
cyclazocine
Cyclazocine: An analgesic with mixed narcotic agonist-antagonist properties.		1.9610
etorphine
Etorphine: A narcotic analgesic morphinan used as a sedative in veterinary practice.		2.6530
5,7-dihydroxytryptamine
5,7-Dihydroxytryptamine: Tryptamine substituted with two hydroxyl groups in positions 5 and 7. It is a neurotoxic serotonin analog that destroys serotonergic neurons preferentially and is used in neuropharmacology as a tool.		1.9610
substance p
[no description available]		3.0650peptideneurokinin-1 receptor agonist;
neurotransmitter;
vasodilator agent
ng-nitroarginine methyl ester
NG-Nitroarginine Methyl Ester: A non-selective inhibitor of nitric oxide synthase. It has been used experimentally to induce hypertension.		2.0110alpha-amino acid ester;
L-arginine derivative;
methyl ester;
N-nitro compound		EC 1.14.13.39 (nitric oxide synthase) inhibitor
enkephalin, methionine
Enkephalin, Methionine: One of the endogenous pentapeptides with morphine-like activity. It differs from LEU-ENKEPHALIN by the amino acid METHIONINE in position 5. Its first four amino acid sequence is identical to the tetrapeptide sequence at the N-terminal of BETA-ENDORPHIN.		10.871821
captopril
Captopril: A potent and specific inhibitor of PEPTIDYL-DIPEPTIDASE A. It blocks the conversion of ANGIOTENSIN I to ANGIOTENSIN II, a vasoconstrictor and important regulator of arterial blood pressure. Captopril acts to suppress the RENIN-ANGIOTENSIN SYSTEM and inhibits pressure responses to exogenous angiotensin.. captopril : A L-proline derivative in which L-proline is substituted on nitrogen with a (2S)-2-methyl-3-sulfanylpropanoyl group. It is used as an anti-hypertensive ACE inhibitor drug.		3.68100alkanethiol;
L-proline derivative;
N-acylpyrrolidine;
pyrrolidinemonocarboxylic acid		antihypertensive agent;
EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor
colforsin
Colforsin: Potent activator of the adenylate cyclase system and the biosynthesis of cyclic AMP. From the plant COLEUS FORSKOHLII. Has antihypertensive, positive inotropic, platelet aggregation inhibitory, and smooth muscle relaxant activities; also lowers intraocular pressure and promotes release of hormones from the pituitary gland.		2.3820acetate ester;
cyclic ketone;
labdane diterpenoid;
organic heterotricyclic compound;
tertiary alpha-hydroxy ketone;
triol		adenylate cyclase agonist;
anti-HIV agent;
antihypertensive agent;
plant metabolite;
platelet aggregation inhibitor;
protein kinase A agonist
ubenimex
ubenimex: growth inhibitor		2.6630
nicotine
(S)-nicotine : A 3-(1-methylpyrrolidin-2-yl)pyridine in which the chiral centre has S-configuration. The naturally occurring and most active enantiomer of nicotine, isolated from Nicotiana tabacum.		2.66303-(1-methylpyrrolidin-2-yl)pyridineanxiolytic drug;
biomarker;
immunomodulator;
mitogen;
neurotoxin;
nicotinic acetylcholine receptor agonist;
peripheral nervous system drug;
phytogenic insecticide;
plant metabolite;
psychotropic drug;
teratogenic agent;
xenobiotic
enkephalinamide-met, ala(2)-
enkephalinamide-Met, Ala(2)-: synthetic enkephalin analog;		2.3820
1,2-bis(2-aminophenoxy)ethane-n,n,n',n'-tetraacetic acid
1,2-bis(2-aminophenoxy)ethane-N,N,N',N'-tetraacetic acid: structure in first source		1.9910polyamino carboxylic acid;
tetracarboxylic acid		chelator
enkephalin, d-penicillamine (2,5)-
Enkephalin, D-Penicillamine (2,5)-: A disulfide opioid pentapeptide that selectively binds to the DELTA OPIOID RECEPTOR. It possesses antinociceptive activity.. DPDPE : A heterodetic cyclic peptide that is a cyclic enkephalin analogue, having D-penicillaminyl residues located at positions 2 and 5, which form the heterocycle via a disulfide bond.		2.4120heterodetic cyclic peptidedelta-opioid receptor agonist
fpl 55712
FPL 55712: inhibitor of SRS-A and LTC4 and LTD4 receptors		1.9610aromatic ketone
u 69593
U 69593: selective ligand for opioid K-receptor. U69593 : A monocarboxylic acid amide obtained by formal condensation between the carboxy group of phenylacetic acid and the secodary amino group of (5R,7S,8S)-N-methyl-7-(pyrrolidin-1-yl)-1-oxaspiro[4.5]decan-8-amine.		210monocarboxylic acid amide;
N-alkylpyrrolidine;
organic heterobicyclic compound;
oxaspiro compound		anti-inflammatory agent;
diuretic;
kappa-opioid receptor agonist
bremazocine
bremazocine: potent, log-acting opiate kappa-agonist & centrally acting analgesic; RN given refers to (2R)-isomer; structure given in first source		210
dynorphin (1-8)
dynorphin (1-8): opioid octapeptide from porcine hypothalamus; comprises the N-terminal eight residues of dynorphin		2.6730
morphiceptin
morphiceptin: synthetic tetrapeptide with morphinelike activities, highly specific for morphine receptors, but not for enkephalin receptors; is the amide of a fragment of the milk protein beta casein; deproceptin is the D-Pro(4)-isomer; see also related heptapeptide beta-casomorphin; RN given refers to parent cpd(L-Tyr-L-Pro-L-Phe-L-Pro)-isomer		1.9610oligopeptide
enkephalin-leu, arg(6)-
[no description available]		1.9510
neo-kyotorphin
neo-kyotorphin: isolated from bovine brain; opioid peptide		1.9610
beta-neo-endorphin
beta-neo-endorphin: nonapeptide opioid of porcine origin with amino acid sequence Tyr-Gly-Gly-Phe-Leu-Arg-Lys-Tyr-Pro which is the C-terminal deleted peptide from alpha-neo-endorphin		1.9610
tyrosyl-glycyl-glycine
tyrosyl-glycyl-glycine: RN given refers to L-isomer; this may not be the same as IMREG-1. Tyr-Gly-Gly : A tripeptide composed of one L-tyrosine and two glycine residues joined in sequence.		2.3920tripeptide zwitterion;
tripeptide		metabolite
proctolin
proctolin: neurotransmitter in arthropods or invertebrates		1.9910
enkephalin-met, arg(6)-gly(7)-leu(8)-
enkephalin-Met, Arg(6)-Gly(7)-Leu(8)-: from bovine adrenal medulla; has 35% the opiate receptor binding activity of Met-enkephalin		4.74310
deltorphin ii, ala(2)-
deltorphin II, Ala(2)-: isolated from skin extracts of frogs belonging to the genus Phyllomedusa; has affinity to opioid receptors		2.4220
small cardioactive peptide b
small cardioactive peptide B: neuropeptide from Aplysia		1.9710
mr 2034
MR 2034: UM 1071 is active stereoisomer; 28 salts & isomers in Chemline; MR 2034 active isomer; MR 2035 less active isomer		1.9610
enkephalin-met, sulfoxide-
[no description available]		1.9610
enkephalin-met, arg(6)-
enkephalin-Met, Arg(6)-: opioid hexapeptide found in adrenal medulla & brain		2.3620
tyrosyl-arginyl-phenylalanyl-sarcosine
tyrosyl-arginyl-phenylalanyl-sarcosine: has opioid activity; dermorphin analog		210
mrz 2549
MRZ 2549: RN given refers to parent cpd without isomeric designation		1.9610
ethylketocyclazocine
Ethylketocyclazocine: A kappa opioid receptor agonist. The compound has analgesic action and shows positive inotropic effects on the electrically stimulated left atrium. It also affects various types of behavior in mammals such as locomotion, rearing, and grooming.		2.3820
atropine
tropan-3alpha-yl 3-hydroxy-2-phenylpropanoate : A tropane alkaloid that is (1R,5)-8-methyl-8-azabicyclo[3.2.1]octane substituted by a (3-hydroxy-2-phenylpropanoyl)oxy group at position 3.		1.9610
enkephalin-met, lys(6)-
enkephalin-Met, Lys(6)-: opioid hexapeptide found in adrenal medulla & brain		2.6530
bradykinin
[no description available]		2.3820oligopeptidehuman blood serum metabolite;
vasodilator agent
amastatin
amastatin: structure; inhibits aminopeptidase. amastatin : A tetrapeptide comprising (2S,3R)-3-amino-2-hydroxy-5-methylhexanoyl, L-valyl, L-valyl and L-aspartic acid units joined in sequence		2.0310tetrapeptideEC 3.4.11.* (aminopeptidase) inhibitor;
protease inhibitor
diprenorphine
Diprenorphine: A narcotic antagonist similar in action to NALOXONE. It is used to remobilize animals after ETORPHINE neuroleptanalgesia and is considered a specific antagonist to etorphine.		2.6730morphinane alkaloid
phosphoramidon
phosphoramidon: a membrane metallo-endopeptidase & endothelin-converting enzyme inhibitor; thermolysin inhibitor from culture filtrate of Streptomyces tanashiensis; structure. phosphoramidon : A dipeptide isolated from the cultures of Streptomyces tanashiensis.		2.0310deoxyaldohexose phosphate;
dipeptide		bacterial metabolite;
EC 3.4.24.11 (neprilysin) inhibitor;
EC 3.4.24.71 (endothelin-converting enzyme 1) inhibitor
melphalan
Melphalan: An alkylating nitrogen mustard that is used as an antineoplastic in the form of the levo isomer - MELPHALAN, the racemic mixture - MERPHALAN, and the dextro isomer - MEDPHALAN; toxic to bone marrow, but little vesicant action; potential carcinogen.. melphalan : A phenylalanine derivative comprising L-phenylalanine having [bis(2-chloroethyl)amino group at the 4-position on the phenyl ring.		210L-phenylalanine derivative;
nitrogen mustard;
non-proteinogenic L-alpha-amino acid;
organochlorine compound		alkylating agent;
antineoplastic agent;
carcinogenic agent;
drug allergen;
immunosuppressive agent
enkephalin, leucine
Enkephalin, Leucine: One of the endogenous pentapeptides with morphine-like activity. It differs from MET-ENKEPHALIN in the LEUCINE at position 5. Its first four amino acid sequence is identical to the tetrapeptide sequence at the N-terminal of BETA-ENDORPHIN.. Leu-enkephalin : A pentapeptide comprising L-tyrosine, glycine, glycine, L-phenylalanine and L-leucine residues joined in sequence by peptide linkages. It is an endogenous opioid peptide produced in vertebrate species, including rodents, primates and humans that results from decomposition of proenkephalin or dynorphin and exhibits antinociceptive properties.		6.64700pentapeptide;
peptide zwitterion		analgesic;
delta-opioid receptor agonist;
human metabolite;
mu-opioid receptor agonist;
neurotransmitter;
rat metabolite
arginine vasopressin
Arginine Vasopressin: The predominant form of mammalian antidiuretic hormone. It is a nonapeptide containing an ARGININE at residue 8 and two disulfide-linked cysteines at residues of 1 and 6. Arg-vasopressin is used to treat DIABETES INSIPIDUS or to improve vasomotor tone and BLOOD PRESSURE.. argipressin : The predominant form of mammalian vasopressin (antidiuretic hormone). It is a nonapeptide containing an arginine at residue 8 and two disulfide-linked cysteines at residues of 1 and 6.		1.9610vasopressincardiovascular drug;
hematologic agent;
mitogen
capsaicin
ALGRX-4975: an injectable capsaicin (TRPV1 receptor agonist) formulation for longlasting pain relief. capsaicinoid : A family of aromatic fatty amides produced as secondary metabolites by chilli peppers.		1.9810capsaicinoidnon-narcotic analgesic;
TRPV1 agonist;
voltage-gated sodium channel blocker
mr 2266
MR 2266: RN refers to (2R-(2 alpha,6 alpha,11R*))-isomer; structure kappa opioid receptor antagonist		1.9610
u-50488
3,4-Dichloro-N-methyl-N-(2-(1-pyrrolidinyl)-cyclohexyl)-benzeneacetamide, (trans)-Isomer: A non-peptide, kappa-opioid receptor agonist which has also been found to stimulate the release of adrenocorticotropin (ADRENOCORTICOTROPIC HORMONE) via the release of hypothalamic arginine vasopressin (ARGININE VASOPRESSIN) and CORTICOTROPIN-RELEASING HORMONE. (From J Pharmacol Exp Ther 1997;280(1):416-21). U50488 : A monocarboxylic acid amide obtained by formal condensation between the carboxy group of 3,4-dichlorophenylacetic acid and the secondary amino group of (1R,2R)-N-methyl-2-(pyrrolidin-1-yl)cyclohexanamine		2.0310dichlorobenzene;
monocarboxylic acid amide;
N-alkylpyrrolidine		analgesic;
antitussive;
calcium channel blocker;
diuretic;
kappa-opioid receptor agonist
tnrnflrfamide
TNRNFLRFamide: SCP (small cardioactive peptide)-like peptide found in lobster neurons; exhibits FMRFamide-like immunoreactivity		1.9710
alprostadil
[no description available]		1.9610prostaglandins Eanticoagulant;
human metabolite;
platelet aggregation inhibitor;
vasodilator agent
naloxone
Naloxone: A specific opiate antagonist that has no agonist activity. It is a competitive antagonist at mu, delta, and kappa opioid receptors.. naloxone : A synthetic morphinane alkaloid that is morphinone in which the enone double bond has been reduced to a single bond, the hydrogen at position 14 has been replaced by a hydroxy group, and the methyl group attached to the nitrogen has been replaced by an allyl group. A specific opioid antagonist, it is used (commonly as its hydrochloride salt) to reverse the effects of opioids, both following their use of opioids during surgery and in cases of known or suspected opioid overdose.		4.38210morphinane alkaloid;
organic heteropentacyclic compound;
tertiary alcohol		antidote to opioid poisoning;
central nervous system depressant;
mu-opioid receptor antagonist
morphine
Meconium: The thick green-to-black mucilaginous material found in the intestines of a full-term fetus. It consists of secretions of the INTESTINAL GLANDS; BILE PIGMENTS; FATTY ACIDS; AMNIOTIC FLUID; and intrauterine debris. It constitutes the first stools passed by a newborn.		3.3670morphinane alkaloid;
organic heteropentacyclic compound;
tertiary amino compound		anaesthetic;
drug allergen;
environmental contaminant;
geroprotector;
mu-opioid receptor agonist;
opioid analgesic;
plant metabolite;
vasodilator agent;
xenobiotic
7-benzylidenenaltrexone
7-benzylidenenaltrexone: structure given in first source; a highly selective delta1-opioid receptor antagonist		2.7130phenanthrenes
alpha-neoendorphin
alpha-neoendorphin: precursor or leucine enkephalin family		2.8940
endomorphin 1
endomorphin 1: isolated from bovine brain		2.0710oligopeptide
naltrexone
Naltrexone: Derivative of noroxymorphone that is the N-cyclopropylmethyl congener of NALOXONE. It is a narcotic antagonist that is effective orally, longer lasting and more potent than naloxone, and has been proposed for the treatment of heroin addiction. The FDA has approved naltrexone for the treatment of alcohol dependence.. naltrexone : An organic heteropentacyclic compound that is naloxone substituted in which the allyl group attached to the nitrogen is replaced by a cyclopropylmethyl group. A mu-opioid receptor antagonist, it is used to treat alcohol dependence.		3.8110cyclopropanes;
morphinane-like compound;
organic heteropentacyclic compound		antidote to opioid poisoning;
central nervous system depressant;
environmental contaminant;
mu-opioid receptor antagonist;
xenobiotic
ramipril
Ramipril: A long-acting angiotensin-converting enzyme inhibitor. It is a prodrug that is transformed in the liver to its active metabolite ramiprilat.. ramipril : A dipeptide that is the prodrug for ramiprilat, the active metabolite obtained by hydrolysis of the ethyl ester group. An angiotensin-converting enzyme (ACE) inhibitor, used to treat high blood pressure and congestive heart failure.. quark : Quarks comprise one of two classes of the fundamental particles. Quarks possess fractional electric charges and are not observed in free state. The word "quark" first appears in James Joyce's Finnegans Wake and has been chosen by Murray Gell-Mann as a name for fundamental building blocks of particles.		2.3720azabicycloalkane;
cyclopentapyrrole;
dicarboxylic acid monoester;
dipeptide;
ethyl ester		bradykinin receptor B2 agonist;
cardioprotective agent;
EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor;
matrix metalloproteinase inhibitor;
prodrug
enalapril
Enalapril: An angiotensin-converting enzyme inhibitor that is used to treat HYPERTENSION and HEART FAILURE.. enalapril : A dicarboxylic acid monoester that is ethyl 4-phenylbutanoate in which a hydrogen alpha to the carboxy group is substituted by the amino group of L-alanyl-L-proline (S-configuration).		2.3820dicarboxylic acid monoester;
dipeptide		antihypertensive agent;
EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor;
geroprotector;
prodrug
enalaprilat anhydrous
Enalaprilat: The active metabolite of ENALAPRIL and one of the potent, intravenously administered, ANGIOTENSIN-CONVERTING ENZYME INHIBITORS. It is an effective agent for the treatment of essential hypertension and has beneficial hemodynamic effects in heart failure. The drug produces renal vasodilation with an increase in sodium excretion.. enalaprilat dihydrate : The dihydrate form of enalaprilat, an angiotensin-converting enzyme (ACE) inhibitor that is used (often in the form of its prodrug, enalapril) in the treatment of hypertension and heart failure, for reduction of proteinuria and renal disease in patients with nephropathies, and for the prevention of stroke, myocardial infarction, and cardiac death in high-risk patients. Unlike enalapril, enalaprilat is not absorbed by mouth but is administered by intravenous injection.. enalaprilat (anhydrous) : Enalapril in which the ethyl ester group has been hydrolysed to the corresponding carboxylic acid. Enalaprilat is an angiotensin-converting enzyme (ACE) inhibitor and is used (often in the form of its prodrug, enalapril) in the treatment of hypertension and heart failure, for reduction of proteinuria and renal disease in patients with nephropathies, and for the prevention of stroke, myocardial infarction, and cardiac death in high-risk patients. Unlike enalapril, enalaprilat is not absorbed by mouth but is given by intravenous injection, usually as the dihydrate.		1.9610dicarboxylic acid;
dipeptide		antihypertensive agent;
EC 3.4.15.1 (peptidyl-dipeptidase A) inhibitor
norbinaltorphimine
norbinaltorphimine: kappa opiate receptor antagonist; structure given in first source		3.1150isoquinolines
binaltorphimine
binaltorphimine: kappa opiate receptor antagonist; structure given in first source		1.9810
enkephalin, ala(2)-mephe(4)-gly(5)-
Enkephalin, Ala(2)-MePhe(4)-Gly(5)-: An enkephalin analog that selectively binds to the MU OPIOID RECEPTOR. It is used as a model for drug permeability experiments.		2.4220
enkephalin-met, ala(2)-
enkephalin-Met, Ala(2)-: synthetic analog of methionine enkephalin		1.9910
naltrindole benzofuran
naltrindole benzofuran: structure given in first source		2.0110morphinane alkaloid
naltrindole
naltrindole: delta opioid receptor antagonist		2.420isoquinolines
sq 80338
1-(3-phenyl-2-propenyl)-1H-imidazole: potent thromboxane synthetase inhibitor		1.9610
enkephalin, leucine-2-alanine
Enkephalin, Leucine-2-Alanine: A delta-selective opioid (ANALGESICS, OPIOID). It can cause transient depression of mean arterial blood pressure and heart rate.		2.8840
sincalide
Sincalide: An octapeptide hormone present in the intestine and brain. When secreted from the gastric mucosa, it stimulates the release of bile from the gallbladder and digestive enzymes from the pancreas.		1.9610oligopeptide
g(m1) ganglioside
G(M1) Ganglioside: A specific monosialoganglioside that accumulates abnormally within the nervous system due to a deficiency of GM1-b-galactosidase, resulting in GM1 gangliosidosis.. ganglioside GM1 : A sialotetraosylceramide consisting of a branched pentasaccharide made up from one sialyl residue, two galactose residues, one N-acetylgalactosamine residue and a glucose residue at the reducing end attached to N-stearoylsphingosine via a beta-linkage.		2.0310alpha-N-acetylneuraminosyl-(2->3)-[beta-D-galactosyl-(1->3)-N-acetyl-beta-D-galactosaminyl-(1->4)]-beta-D-galactosyl-(1->4)-beta-D-glucosyl-(1<->1')-N-acylsphingosine;
sialotetraosylceramide
adrenorphin
adrenorphin: opioid octapeptide from human & bovine adrenal medulla & human phaeochromocytoma tumor; H-Tyr-Gly-Gly-Phe-Met-Arg-Arg-Val-NH2		2.6630
deltorphin i, ala(2)-
deltorphin I, Ala(2)-: isolated from skin extracts of frogs belonging to the genus Phyllomedusa; has affinity to opioid receptors		2.0310peptide
fmrfamide
FMRFamide: A molluscan neuroactive peptide which induces a fast excitatory depolarizing response due to direct activation of amiloride-sensitive SODIUM CHANNELS. (From Nature 1995; 378(6558): 730-3)		4.6790
cholecystokinin
Cholecystokinin: A peptide, of about 33 amino acids, secreted by the upper INTESTINAL MUCOSA and also found in the central nervous system. It causes gallbladder contraction, release of pancreatic exocrine (or digestive) enzymes, and affects other gastrointestinal functions. Cholecystokinin may be the mediator of satiety.		1.9710
dynorphins
Dynorphins: A class of opioid peptides including dynorphin A, dynorphin B, and smaller fragments of these peptides. Dynorphins prefer kappa-opioid receptors (RECEPTORS, OPIOID, KAPPA) and have been shown to play a role as central nervous system transmitters.		7.04250
leucosulfakinin
leucosulfakinin: sulfated neuropeptide from head extracts of cockroach Leucophaea maderae; sequence homology with gastrin & cholecystokinin		1.9710
gastrins
Gastrins: A family of gastrointestinal peptide hormones that excite the secretion of GASTRIC JUICE. They may also occur in the central nervous system where they are presumed to be neurotransmitters.		2.6630
beta-endorphin
beta-Endorphin: A 31-amino acid peptide that is the C-terminal fragment of BETA-LIPOTROPIN. It acts on OPIOID RECEPTORS and is an analgesic. Its first four amino acids at the N-terminal are identical to the tetrapeptide sequence of METHIONINE ENKEPHALIN and LEUCINE ENKEPHALIN.. beta-endorphin : A polypeptide consisting of 31 amino acid residues in the sequence Tyr-Gly-Gly-Phe-Met-Thr-Ser-Glu-Lys-Ser-Gln-Thr-Pro-Leu-Val-Thr-Leu-Phe-Lys-Asn-Ala-Ile-Ile-Lys-Asn-Ala-Tyr-Lys-Lys-Gly-Glu. It is an endogenous opioid peptide neurotransmitter found in the neurons of both the central and peripheral nervous system and results from processing of the precursor protein proopiomelanocortin (POMC).		3.68100
peptide f
peptide F: pro-enkephalin intermediate		1.9610
bam 22p
[no description available]		2.8840
peptide e (adrenal medulla)
peptide E (adrenal medulla): kappa opiate receptor agonist; 25-amino acid opioid peptide which when cleaved at the sole double basic (Lys-Arg) typical processing site generates the amino-terminal fragment BAM 18 & the carboxy-terminal fragment Leu-enkephalin; structure given in first source;		1.9610
neuropeptide y
Neuropeptide Y: A 36-amino acid peptide present in many organs and in many sympathetic noradrenergic neurons. It has vasoconstrictor and natriuretic activity and regulates local blood flow, glandular secretion, and smooth muscle activity. The peptide also stimulates feeding and drinking behavior and influences secretion of pituitary hormones.		2.0310
s-nitro-n-acetylpenicillamine
S-nitro-N-acetylpenicillamine: a NO donor		2.0110
bucladesine
Bucladesine: A cyclic nucleotide derivative that mimics the action of endogenous CYCLIC AMP and is capable of permeating the cell membrane. It has vasodilator properties and is used as a cardiac stimulant. (From Merck Index, 11th ed). bucladesine : A 3',5'-cyclic purine nucleotide that is the 2'-butanoate ester and 6-N-butanoyl derivative of 3',5'-cyclic AMP.		2.37203',5'-cyclic purine nucleotide
rimorphin
rimorphin: tridecapeptide NH2-Tyr-Gly-Gly-Phe-Leu-Arg-Arg-Gln-Phe-Lys-Val-Val-Thr-COOH from bovine posterior pituitary gland; major leucine enkephalin containing peptide in tissue that contains dynorphin & alpha-neo-endorphin		4.98120
dynorphins
dynorphin (1-13): potent opioid peptide; see also record for dynorphin & D-Ala(2)-dynorphin (1-11)		2.3720
bam 12p
BAM 12P: Pro-Met-enkephalin precursor; isolated from bovine adrenal medulla; dodecapeptide Tyr-Gly-Gly-Phe-Met-Arg-Arg-Val-Gly-Arg-Pro-Glu		3.0650
gastrin-releasing peptide
Gastrin-Releasing Peptide: Neuropeptide and gut hormone that helps regulate GASTRIC ACID secretion and motor function. Once released from nerves in the antrum of the STOMACH, the neuropeptide stimulates release of GASTRIN from the GASTRIN-SECRETING CELLS.		1.9610
tan 67
TAN 67: a non-peptidic selective delta-opioid receptor agonist; structure given in first source		2.4220
enkephalin-met, arg(6)-phenh2(7)-
enkephalin-Met, Arg(6)-PheNH2(7)-: heptapeptide enkephalinamide analog		2.8840
sq 20811
SQ 20811: topical, anti-inflammatory glucocorticoid; structure		1.9610
carboxypeptidase b
Carboxypeptidase B: A ZINC-dependent carboxypeptidase primary found in the DIGESTIVE SYSTEM. The enzyme catalyzes the preferential cleavage of a C-terminal peptidyl-L-lysine or arginine. It was formerly classified as EC 3.4.2.2 and EC 3.4.12.3.		1.9710
angiotensin i
Angiotensin I: A decapeptide that is cleaved from precursor angiotensinogen by RENIN. Angiotensin I has limited biological activity. It is converted to angiotensin II, a potent vasoconstrictor, after the removal of two amino acids at the C-terminal by ANGIOTENSIN CONVERTING ENZYME.. angiotensin I : A ten amino acid peptide formed by renin cleavage of angiotensinogen. Angiotensin I has no direct biological function except that high levels can stimulate catecholamine production. It is metabolized to its biologically active byproduct angiotensin II, a potent vasoconstrictor, by angiotensin converting enzyme (ACE) through cleavage of the two terminal amino acids.. angiotensin I dizwitterion : A peptide zwitterion that is the dizwitterionic form of angiotensin I having both carboxy groups deprotonated and the aspartyl amino group and arginine side-chain protonated. It is the major species at pH 7.3.		1.9810angiotensin;
peptide zwitterion		human metabolite;
neurotransmitter agent
cyclic gmp
Cyclic GMP: Guanosine cyclic 3',5'-(hydrogen phosphate). A guanine nucleotide containing one phosphate group which is esterified to the sugar moiety in both the 3'- and 5'-positions. It is a cellular regulatory agent and has been described as a second messenger. Its levels increase in response to a variety of hormones, including acetylcholine, insulin, and oxytocin and it has been found to activate specific protein kinases. (From Merck Index, 11th ed). 3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide in which the purine nucleobase is specified as guanidine.		2.01103',5'-cyclic purine nucleotide;
guanyl ribonucleotide		Escherichia coli metabolite;
human metabolite;
mouse metabolite;
plant metabolite;
Saccharomyces cerevisiae metabolite
guanosine 5'-o-(3-thiotriphosphate)
Guanosine 5'-O-(3-Thiotriphosphate): Guanosine 5'-(trihydrogen diphosphate), monoanhydride with phosphorothioic acid. A stable GTP analog which enjoys a variety of physiological actions such as stimulation of guanine nucleotide-binding proteins, phosphoinositide hydrolysis, cyclic AMP accumulation, and activation of specific proto-oncogenes.		2.420nucleoside triphosphate analogue
guanylyl imidodiphosphate
Guanylyl Imidodiphosphate: A non-hydrolyzable analog of GTP, in which the oxygen atom bridging the beta to the gamma phosphate is replaced by a nitrogen atom. It binds tightly to G-protein in the presence of Mg2+. The nucleotide is a potent stimulator of ADENYLYL CYCLASES.. guanosine 5'-[beta,gamma-imido]triphosphate : A nucleoside triphosphate analogue that is GTP in which the oxygen atom bridging the beta- to the gamma- phosphate is replaced by a nitrogen atom A non-hydrolyzable analog of GTP, it binds tightly to G-protein in the presence of Mg(2+).		2.420nucleoside triphosphate analogue
8-bromocyclic gmp
8-bromo-3',5'-cyclic GMP : A 3',5'-cyclic purine nucleotide that is 3',5'-cyclic GMP bearing an additional bromo substituent at position 8 on the guanine ring. A membrane permeable cGMP analogue that activates protein kinase G (PKG). It is 4.3-fold more potent than cGMP in activating PKG1alpha and promotes relaxation of tracheal and vascular smooth muscle tissue in vitro.		2.01103',5'-cyclic purine nucleotide;
organobromine compound		muscle relaxant;
protein kinase G agonist
preproenkephalin
preproenkephalin: initial enkephalin precursor		3.2360
ConditionIndicatedRelationship StrengthStudiesTrials
Alcohol Drinking
Behaviors associated with the ingesting of ALCOHOLIC BEVERAGES, including social drinking.		03.1250
Aging
The gradual irreversible changes in structure and function of an organism that occur as a result of the passage of time.		02.4220
Bradyarrhythmia
[description not available]		03.5180
Bradycardia
Cardiac arrhythmias that are characterized by excessively slow HEART RATE, usually below 50 beats per minute in human adults. They can be classified broadly into SINOATRIAL NODE dysfunction and ATRIOVENTRICULAR BLOCK.		03.5180
Body Weight
The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms.		02.7230
Arteriosclerosis, Coronary
[description not available]		02.0110
Coronary Artery Disease
Pathological processes of CORONARY ARTERIES that may derive from a congenital abnormality, atherosclerotic, or non-atherosclerotic cause.		02.0110
Chronic Illness
[description not available]		03.411
Diffuse Myofascial Pain Syndrome
[description not available]		03.7821
Ache
[description not available]		05.3951
Chronic Fatigue and Immune Dysfunction Syndrome
[description not available]		03.411
Low Back Ache
[description not available]		03.411
Chronic Disease
Diseases which have one or more of the following characteristics: they are permanent, leave residual disability, are caused by nonreversible pathological alteration, require special training of the patient for rehabilitation, or may be expected to require a long period of supervision, observation, or care (Dictionary of Health Services Management, 2d ed). For epidemiological studies chronic disease often includes HEART DISEASES; STROKE; CANCER; and diabetes (DIABETES MELLITUS, TYPE 2).		03.411
Fibromyalgia
A common nonarticular rheumatic syndrome characterized by myalgia and multiple points of focal muscle tenderness to palpation (trigger points). Muscle pain is typically aggravated by inactivity or exposure to cold. This condition is often associated with general symptoms, such as sleep disturbances, fatigue, stiffness, HEADACHES, and occasionally DEPRESSION. There is significant overlap between fibromyalgia and the chronic fatigue syndrome (FATIGUE SYNDROME, CHRONIC). Fibromyalgia may arise as a primary or secondary disease process. It is most frequent in females aged 20 to 50 years. (From Adams et al., Principles of Neurology, 6th ed, p1494-95)		03.7821
Pain
An unpleasant sensation induced by noxious stimuli which are detected by NERVE ENDINGS of NOCICEPTIVE NEURONS.		05.3951
Fatigue Syndrome, Chronic
A syndrome characterized by persistent or recurrent fatigue, diffuse musculoskeletal pain, sleep disturbances, and subjective cognitive impairment of 6 months duration or longer. Symptoms are not caused by ongoing exertion; are not relieved by rest; and result in a substantial reduction of previous levels of occupational, educational, social, or personal activities. Minor alterations of immune, neuroendocrine, and autonomic function may be associated with this syndrome. There is also considerable overlap between this condition and FIBROMYALGIA. (From Semin Neurol 1998;18(2):237-42; Ann Intern Med 1994 Dec 15;121(12): 953-9)		03.411
Low Back Pain
Acute or chronic pain in the lumbar or sacral regions, which may be associated with musculo-ligamentous SPRAINS AND STRAINS; INTERVERTEBRAL DISK DISPLACEMENT; and other conditions.		03.411
Heart Disease, Ischemic
[description not available]		02.7130
Myocardial Ischemia
A disorder of cardiac function caused by insufficient blood flow to the muscle tissue of the heart. The decreased blood flow may be due to narrowing of the coronary arteries (CORONARY ARTERY DISEASE), to obstruction by a thrombus (CORONARY THROMBOSIS), or less commonly, to diffuse narrowing of arterioles and other small vessels within the heart. Severe interruption of the blood supply to the myocardial tissue may result in necrosis of cardiac muscle (MYOCARDIAL INFARCTION).		02.7130
Starvation
Lengthy and continuous deprivation of food. (Stedman, 25th ed)		02.0310
Disease Models, Animal
Naturally-occurring or experimentally-induced animal diseases with pathological processes analogous to human diseases.		02.4120
Injury, Myocardial Reperfusion
[description not available]		02.0310
Pregnancy
The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.		03.3670
Disease Exacerbation
[description not available]		02.0410
Cancer of Pancreas
[description not available]		02.0410
Pancreatic Neoplasms
Tumors or cancer of the PANCREAS. Depending on the types of ISLET CELLS present in the tumors, various hormones can be secreted: GLUCAGON from PANCREATIC ALPHA CELLS; INSULIN from PANCREATIC BETA CELLS; and SOMATOSTATIN from the SOMATOSTATIN-SECRETING CELLS. Most are malignant except the insulin-producing tumors (INSULINOMA).		02.0410
Glial Cell Tumors
[description not available]		01.9510
Glioma
Benign and malignant central nervous system neoplasms derived from glial cells (i.e., astrocytes, oligodendrocytes, and ependymocytes). Astrocytes may give rise to astrocytomas (ASTROCYTOMA) or glioblastoma multiforme (see GLIOBLASTOMA). Oligodendrocytes give rise to oligodendrogliomas (OLIGODENDROGLIOMA) and ependymocytes may undergo transformation to become EPENDYMOMA; CHOROID PLEXUS NEOPLASMS; or colloid cysts of the third ventricle. (From Escourolle et al., Manual of Basic Neuropathology, 2nd ed, p21)		01.9510
Neuroblastoma
A common neoplasm of early childhood arising from neural crest cells in the sympathetic nervous system, and characterized by diverse clinical behavior, ranging from spontaneous remission to rapid metastatic progression and death. This tumor is the most common intraabdominal malignancy of childhood, but it may also arise from thorax, neck, or rarely occur in the central nervous system. Histologic features include uniform round cells with hyperchromatic nuclei arranged in nests and separated by fibrovascular septa. Neuroblastomas may be associated with the opsoclonus-myoclonus syndrome. (From DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, pp2099-2101; Curr Opin Oncol 1998 Jan;10(1):43-51)		02.3620
Muscle Contraction
A process leading to shortening and/or development of tension in muscle tissue. Muscle contraction occurs by a sliding filament mechanism whereby actin filaments slide inward among the myosin filaments.		02.3720
Cancer of Eye
[description not available]		01.9610
Eye Cancer, Retinoblastoma
[description not available]		01.9610
Retinoblastoma
A malignant tumor arising from the nuclear layer of the retina that is the most common primary tumor of the eye in children. The tumor tends to occur in early childhood or infancy and may be present at birth. The majority are sporadic, but the condition may be transmitted as an autosomal dominant trait. Histologic features include dense cellularity, small round polygonal cells, and areas of calcification and necrosis. An abnormal pupil reflex (leukokoria); NYSTAGMUS, PATHOLOGIC; STRABISMUS; and visual loss represent common clinical characteristics of this condition. (From DeVita et al., Cancer: Principles and Practice of Oncology, 5th ed, p2104)		01.9610
Adrenal Cancer
[description not available]		02.8840
Pheochromocytoma, Extra-Adrenal
[description not available]		02.8840
Pheochromocytoma
A usually benign, well-encapsulated, lobular, vascular tumor of chromaffin tissue of the ADRENAL MEDULLA or sympathetic paraganglia. The cardinal symptom, reflecting the increased secretion of EPINEPHRINE and NOREPINEPHRINE, is HYPERTENSION, which may be persistent or intermittent. During severe attacks, there may be HEADACHE; SWEATING, palpitation, apprehension, TREMOR; PALLOR or FLUSHING of the face, NAUSEA and VOMITING, pain in the CHEST and ABDOMEN, and paresthesias of the extremities. The incidence of malignancy is as low as 5% but the pathologic distinction between benign and malignant pheochromocytomas is not clear. (Dorland, 27th ed; DeVita Jr et al., Cancer: Principles & Practice of Oncology, 3d ed, p1298)		02.8840
Diarrhea
An increased liquidity or decreased consistency of FECES, such as running stool. Fecal consistency is related to the ratio of water-holding capacity of insoluble solids to total water, rather than the amount of water present. Diarrhea is not hyperdefecation or increased fecal weight.		01.9510
Abdominal Migraine
[description not available]		01.9810
Migraine Disorders
A class of disabling primary headache disorders, characterized by recurrent unilateral pulsatile headaches. The two major subtypes are common migraine (without aura) and classic migraine (with aura or neurological symptoms). (International Classification of Headache Disorders, 2nd ed. Cephalalgia 2004: suppl 1)		01.9810
Cough
A sudden, audible expulsion of air from the lungs through a partially closed glottis, preceded by inhalation. It is a protective response that serves to clear the trachea, bronchi, and/or lungs of irritants and secretions, or to prevent aspiration of foreign materials into the lungs.		01.9810
Bleeding
[description not available]		01.9810
Blood Pressure, Low
[description not available]		01.9810
Hemorrhage
Bleeding or escape of blood from a vessel.		01.9810
Hypotension
Abnormally low BLOOD PRESSURE that can result in inadequate blood flow to the brain and other vital organs. Common symptom is DIZZINESS but greater negative impacts on the body occur when there is prolonged depravation of oxygen and nutrients.		01.9810
Breast Cancer
[description not available]		01.9910
Adenosis of Breast
[description not available]		01.9910
Breast Neoplasms
Tumors or cancer of the human BREAST.		01.9910
Fibrocystic Breast Disease
A common and benign breast disease characterized by varying degree of fibrocystic changes in the breast tissue. There are three major patterns of morphological changes, including FIBROSIS, formation of CYSTS, and proliferation of glandular tissue (adenosis). The fibrocystic breast has a dense irregular, lumpy, bumpy consistency.		01.9910
Anoxemia
[description not available]		02.420
Suffocation
[description not available]		01.9910
Hypoxia
Sub-optimal OXYGEN levels in the ambient air of living organisms.		02.420
Asphyxia
A pathological condition caused by lack of oxygen, manifested in impending or actual cessation of life.		01.9910
Arrhythmia
[description not available]		01.9910
Arrhythmias, Cardiac
Any disturbances of the normal rhythmic beating of the heart or MYOCARDIAL CONTRACTION. Cardiac arrhythmias can be classified by the abnormalities in HEART RATE, disorders of electrical impulse generation, or impulse conduction.		01.9910
Innate Inflammatory Response
[description not available]		0210
Inflammation
A pathological process characterized by injury or destruction of tissues caused by a variety of cytologic and chemical reactions. It is usually manifested by typical signs of pain, heat, redness, swelling, and loss of function.		0210
Alcohol Abuse, Nervous System
[description not available]		0210
Addiction, Opioid
[description not available]		02.0110
Drug Withdrawal Symptoms
[description not available]		02.3920
Opioid-Related Disorders
Disorders related to or resulting from abuse or misuse of OPIOIDS.		02.0110
Substance Withdrawal Syndrome
Physiological and psychological symptoms associated with withdrawal from the use of a drug after prolonged administration or habituation. The concept includes withdrawal from smoking or drinking, as well as withdrawal from an administered drug.		02.3920
Anoxia, Fetal
[description not available]		01.9710
Fetal Hypoxia
Deficient oxygenation of FETAL BLOOD.		01.9710
Poisoning, Lead
[description not available]		01.9610
Lead Poisoning
Poisoning that results from chronic or acute ingestion, injection, inhalation, or skin absorption of LEAD or lead compounds.		01.9610