Page last updated: 2024-12-05

protopine

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

Protopine is an alkaloid found in various plants, including opium poppy, Corydalis, and Fumaria. It exhibits a range of pharmacological effects, including analgesic, anti-inflammatory, and anti-tumor activities. Protopine's synthesis involves complex multi-step reactions, often utilizing natural starting materials. It is studied for its potential therapeutic applications in pain management, inflammation, and cancer treatment. Research focuses on understanding its mechanism of action and exploring its potential to be developed into a drug.'

FloraRankFlora DefinitionFamilyFamily Definition
FumariagenusA plant genus of the family FUMARIACEAE that contains fumariline and other isoquinoline alkaloids.[MeSH]PapaveraceaeThe poppy plant family of the order Papaverales, subclass Magnoliidae, class Magnoliopsida. These have bisexual, regular, cup-shaped flowers with one superior pistil and many stamens; 2 or 3 conspicuous, separate sepals and a number of separate petals. The fruit is a capsule. Leaves are usually deeply cut or divided into leaflets.[MeSH]

Cross-References

ID SourceID
PubMed CID4970
CHEMBL ID453019
CHEBI ID16415
SCHEMBL ID178013
MeSH IDM0053491

Synonyms (76)

Synonym
7-methyl-2,3:9,10-bis(methylenedioxy)-7,13a-secoberbin-13a-one
ai3-62909
einecs 204-999-6
bis(1,3)benzodioxolo(4,5-c:5',6'-g)azecin-13(5h)-one, 4,6,7,14-tetrahydro-5-methyl-
hsdb 3527
BRD-K83302049-003-01-2
BRD-K83302049-001-01-6
4,6,7,14-tetrahydro-5-methyl-bis(1,3)benzodioxolo(4,5-c-5',6'-g)azecin-13(5h)-one
7-methyl-6,8,9,16-tetrahydrobis[1,3]benzodioxolo[4,5-c:5',6'-g]azecin-15(7h)-one
CHEBI:16415 ,
7-methyl-2,3:9,10-bis[methylenebis(oxy)]-7,13a-secoberbin-13a-one
HSCI1_000268
OPREA1_722246
7,13a-secoberbin-13a-one, 7-methyl-2,3:9,10-bis(methylenedioxy)-
NCGC00017389-01
tnp00339
ACON1_001550
OPREA1_718853
protopine ,
130-86-9
C05189
corydinine
alk-3
fumarine
biflorine
bis[1,3]benzodioxolo[4,5-c:5',6'-g]azecin-13(5h)-one, 4,6,7,14-tetrahydro-5-methyl-
macleyine
NCGC00142402-01
2D13E16B-20F9-4670-AD3E-02EE26A53C9C
AKOS000278163
chembl453019 ,
bdbm50286643
NCGC00017389-02
uiw569ht35 ,
unii-uiw569ht35
7-methyl-6,7,8,9-tetrahydro-[1,3]dioxolo[4',5':5,6]benzo[1,2-c][1,3]dioxolo[5',4':4,5]benzo[1,2-g]azecin-
S3883
CCG-36008
7-methyl-4h,6h,8h,9h,12h,16h-1,3-dioxoleno[4''',5'''-3'',4'']benzo[1'',2''-8', 9']azecino[5',4'-2,1]benzo[4,5-d]1,3-dioxolan-15-one
FT-0674127
protopin
protopine [mi]
SCHEMBL178013
CS-4249
hypercorine
7-methyl-6,8,9,16-tetrahydrodi[1,3]benzodioxolo[4,5-c:5,6-g]azecin-15(7h)-one #
GPTFURBXHJWNHR-UHFFFAOYSA-N
7-methyl-6,7,8,9-tetrahydro-[1,3]dioxolo[4',5':5,6]benzo[1,2-c][1,3]dioxolo[5',4':4,5]benzo[1,2-g]azecin-15(16h)-one
AC-34931
4,6,7,14-tetrahydro-5-methylbis[1,3]benzodioxolo[4,5-c:5',6'-g]azecin-13(5h)-one
4,6,7,14-tetrahydro-5-methyl-bis[1,3]benzodioxolo[4,5-c-5,6-g]azecin-13(5h)-one
7-methyl-6,8,9,16-tetrahydro-[1,3]dioxolo[4',5':5,6]benzo[1,2-c][1,3]dioxolo[5',4':4,5]benzo[1,2-g]azecin-15(7h)-one
HY-N0793
HMS3428D22
DTXSID90156282 ,
15-methyl-7,9,19,21-tetraoxa-15-azapentacyclo[15.7.0.0^{4,12}.0^{6,10}.0^{18,22}]tetracosa-1(24),4(12),5,10,17,22-hexaen-3-one
7-methyl-6,8,9,16-tetrahydrodi[1,3]benzodioxolo[4,5-c:5,6-g]azecin-15(7h)-one
protopine, analytical standard
SR-05000002290-2
sr-05000002290
corydalis c
dtxcid7078773
7-methyl-6,8,9,16-tetrahydrobis(1,3)benzodioxolo(4,5-c:5',6'-g)azecin-15(7h)-one
7-methyl-2,3:9,10-bis(methylenebis(oxy))-7,13a-secoberbin-13a-one
4,6,7,14-tetrahydro-5-methyl-bis(1,3)benzodioxolo(4,5-c:5',6'-g)azecin-13(5h)-one
protopine (corydinine)
Q390706
BS-15163
mfcd00022322
P2611
A14808
HMS3885M10
STL561430
nsc781768
nsc-781768
15-methyl-7,9,19,21-tetraoxa-15-azapentacyclo[15.7.0.04,12.06,10.018,22]tetracosa-1(17),4,6(10),11,18(22),23-hexaen-3-one

Research Excerpts

Overview

Protopine is an isoquinoline alkaloid contained in plants in northeast Asia. It is one of the substances that are actively undergoing experiments to confirm their utility as anticancer agents.

ExcerptReferenceRelevance
"Protopine is a substance used for hemostasis with an anti-inflammatory action and is one of the substances that are actively undergoing experiments to confirm their utility as anticancer agents. "( Anti-Inflammatory Effect of Protopine through MAPK and NF-κB Signaling Regulation in HepG2 Cell.
Kim, H; Kim, M, 2022
)
2.46
"Protopine is an isoquinoline alkaloid contained in plants in northeast Asia. "( Protopine reduces the inflammatory activity of lipopolysaccharide-stimulated murine macrophages.
Bae, DS; Kim, YH; Lee, JK; Nho, CW; Pan, CH; Samdan, J; Yansan, J, 2012
)
3.26
"Protopine is an isoquinoline alkaloid purified from Corydalis tubers and other families of medicinal plants. "( Inhibitory effect of protopine on K(ATP) channel subunits expressed in HEK-293 cells.
Cao, K; Jiang, B; Wang, R, 2004
)
2.09

Actions

ExcerptReferenceRelevance
"Protopine did not cause the elevation of cyclic AMP level of platelets."( Antiplatelet effects of protopine isolated from Corydalis tubers.
Huang, TF; Ko, FN; Lu, ST; Teng, CM; Wu, TS; Wu, YC, 1989
)
1.31

Treatment

ExcerptReferenceRelevance
"When treated with protopine and alkalized extracts of the tuber of Corydalis ternata for one year, significant decrease in glutamate level and increase in glutamate dehydrogenase (GDH) activity was observed in rat brains. "( Regulation of glutamate level in rat brain through activation of glutamate dehydrogenase by Corydalis ternata.
Cho, SW; Choi, MM; Hong, HN; Huh, JW; Lee, KH; Yang, SJ; Yoon, SY, 2005
)
0.66

Toxicity

ExcerptReferenceRelevance
"The aim of this study was to analyse the role of two alkaloid, Protopine and Nuciferine, in the prevention and the treatment of the low and mild grade adverse events related to the use of HIVEC® (Hyperthermic IntraVEsical Chemotherapy) instillations."( The role of Protopine associated with Nuciferine in controlling adverse events during hyperthermic intravesical chemotherapy instillations. A nutraceutical approach to control adverse event during intravesical instillations.
Carrino, M; Chiancone, F; Fabiano, M; Fedelini, M; Fedelini, P; Meccariello, C; Persico, F, 2020
)
1.18

Pharmacokinetics

ExcerptReferenceRelevance
" The validated method was successfully applied to a pharmacokinetic study of tetrahydropalmatine, protopine and palmatine in rats after oral administration of Rhizoma Corydalis Decumbentis extract."( Simultaneous determination of tetrahydropalmatine, protopine, and palmatine in rat plasma by LC-ESI-MS and its application to a pharmacokinetic study.
Chang, X; Guo, T; He, Z; Ma, H; Pu, X; Wang, Y, 2009
)
0.82
" After validation, this method was successfully applied to a pharmacokinetic study."( Simultaneous determination of paeoniflorin, albiflorin, ferulic acid, tetrahydropalmatine, protopine, typhaneoside, senkyunolide I in Beagle dogs plasma by UPLC-MS/MS and its application to a pharmacokinetic study after Oral Administration of Shaofu Zhuyu
Cui, W; Duan, JA; Guo, J; Huang, X; Huang, Z; Li, Z; Liu, P; Qian, D; Shang, E; Su, S, 2014
)
0.62

Bioavailability

ExcerptReferenceRelevance
" After oral administration of RCDE SEDDS capsules or the commercial tablets to fasted rats, the relative bioavailability of SEDDS capsules for protopine and tetrahydropalmatine was 209."( Design and evaluation of self-emulsifying drug delivery systems of Rhizoma corydalis decumbentis extracts.
An, Y; Guo, T; Ma, H; Shi, G; Wang, Y; Zhao, Q, 2012
)
0.58
" The compound of typhaneoside has a low bioavailability according to the results."( Simultaneous determination of paeoniflorin, albiflorin, ferulic acid, tetrahydropalmatine, protopine, typhaneoside, senkyunolide I in Beagle dogs plasma by UPLC-MS/MS and its application to a pharmacokinetic study after Oral Administration of Shaofu Zhuyu
Cui, W; Duan, JA; Guo, J; Huang, X; Huang, Z; Li, Z; Liu, P; Qian, D; Shang, E; Su, S, 2014
)
0.62
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Roles (1)

RoleDescription
plant metaboliteAny eukaryotic metabolite produced during a metabolic reaction in plants, the kingdom that include flowering plants, conifers and other gymnosperms.
[role 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]

Drug Classes (1)

ClassDescription
dibenzazecine alkaloid
[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]

Pathways (1)

PathwayProteinsCompounds
sanguinarine and macarpine biosynthesis639
sanguinarine and macarpine biosynthesis839

Protein Targets (24)

Potency Measurements

ProteinTaxonomyMeasurementAverage (µ)Min (ref.)Avg (ref.)Max (ref.)Bioassay(s)
Chain A, Putative fructose-1,6-bisphosphate aldolaseGiardia intestinalisPotency7.06270.140911.194039.8107AID2451
Chain A, 2-oxoglutarate OxygenaseHomo sapiens (human)Potency31.62280.177814.390939.8107AID2147
thyroid stimulating hormone receptorHomo sapiens (human)Potency12.58930.001318.074339.8107AID926; AID938
cytochrome P450 2D6 isoform 1Homo sapiens (human)Potency0.05010.00207.533739.8107AID891
cytochrome P450 2C19 precursorHomo sapiens (human)Potency10.00000.00255.840031.6228AID899
cytochrome P450 3A4 isoform 1Homo sapiens (human)Potency25.11890.031610.279239.8107AID884; AID885
Gamma-aminobutyric acid receptor subunit piRattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit beta-1Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit deltaRattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit gamma-2Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit alpha-5Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit alpha-3Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit gamma-1Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit alpha-2Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit alpha-4Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit gamma-3Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit alpha-6Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit alpha-1Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit beta-3Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit beta-2Rattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Inositol monophosphatase 1Rattus norvegicus (Norway rat)Potency11.22021.000010.475628.1838AID1457
GABA theta subunitRattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
Gamma-aminobutyric acid receptor subunit epsilonRattus norvegicus (Norway rat)Potency25.11891.000012.224831.6228AID885
[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)
AcetylcholinesteraseHomo sapiens (human)IC50 (µMol)100.00000.00000.933210.0000AID1350115
[prepared from compound, protein, and bioassay information from National Library of Medicine (NLM), extracted Dec-2023]

Biological Processes (14)

Processvia Protein(s)Taxonomy
acetylcholine catabolic process in synaptic cleftAcetylcholinesteraseHomo sapiens (human)
regulation of receptor recyclingAcetylcholinesteraseHomo sapiens (human)
osteoblast developmentAcetylcholinesteraseHomo sapiens (human)
acetylcholine catabolic processAcetylcholinesteraseHomo sapiens (human)
cell adhesionAcetylcholinesteraseHomo sapiens (human)
nervous system developmentAcetylcholinesteraseHomo sapiens (human)
synapse assemblyAcetylcholinesteraseHomo sapiens (human)
receptor internalizationAcetylcholinesteraseHomo sapiens (human)
negative regulation of synaptic transmission, cholinergicAcetylcholinesteraseHomo sapiens (human)
amyloid precursor protein metabolic processAcetylcholinesteraseHomo sapiens (human)
positive regulation of protein secretionAcetylcholinesteraseHomo sapiens (human)
retina development in camera-type eyeAcetylcholinesteraseHomo sapiens (human)
acetylcholine receptor signaling pathwayAcetylcholinesteraseHomo sapiens (human)
positive regulation of cold-induced thermogenesisAcetylcholinesteraseHomo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Molecular Functions (10)

Processvia Protein(s)Taxonomy
amyloid-beta bindingAcetylcholinesteraseHomo sapiens (human)
acetylcholinesterase activityAcetylcholinesteraseHomo sapiens (human)
cholinesterase activityAcetylcholinesteraseHomo sapiens (human)
protein bindingAcetylcholinesteraseHomo sapiens (human)
collagen bindingAcetylcholinesteraseHomo sapiens (human)
hydrolase activityAcetylcholinesteraseHomo sapiens (human)
serine hydrolase activityAcetylcholinesteraseHomo sapiens (human)
acetylcholine bindingAcetylcholinesteraseHomo sapiens (human)
protein homodimerization activityAcetylcholinesteraseHomo sapiens (human)
laminin bindingAcetylcholinesteraseHomo sapiens (human)
[Information is prepared from geneontology information from the June-17-2024 release]

Ceullar Components (13)

Processvia Protein(s)Taxonomy
plasma membraneGamma-aminobutyric acid receptor subunit gamma-2Rattus norvegicus (Norway rat)
extracellular regionAcetylcholinesteraseHomo sapiens (human)
basement membraneAcetylcholinesteraseHomo sapiens (human)
extracellular spaceAcetylcholinesteraseHomo sapiens (human)
nucleusAcetylcholinesteraseHomo sapiens (human)
Golgi apparatusAcetylcholinesteraseHomo sapiens (human)
plasma membraneAcetylcholinesteraseHomo sapiens (human)
cell surfaceAcetylcholinesteraseHomo sapiens (human)
membraneAcetylcholinesteraseHomo sapiens (human)
neuromuscular junctionAcetylcholinesteraseHomo sapiens (human)
synaptic cleftAcetylcholinesteraseHomo sapiens (human)
synapseAcetylcholinesteraseHomo sapiens (human)
perinuclear region of cytoplasmAcetylcholinesteraseHomo sapiens (human)
side of membraneAcetylcholinesteraseHomo sapiens (human)
plasma membraneGamma-aminobutyric acid receptor subunit alpha-1Rattus norvegicus (Norway rat)
plasma membraneGamma-aminobutyric acid receptor subunit beta-2Rattus norvegicus (Norway rat)
[Information is prepared from geneontology information from the June-17-2024 release]

Bioassays (7)

Assay IDTitleYearJournalArticle
AID1578093Antitrypanosomal activity against Trypanosoma cruzi2019Bioorganic & medicinal chemistry letters, 10-15, Volume: 29, Issue:20
Antiprotozoal alkaloid principles of the plant family Amaryllidaceae.
AID1890610Antiproliferative activity against human HGC-27 cells assessed as reduction in cell viability after 24 hrs by MTT assay2022Bioorganic & medicinal chemistry, 04-15, Volume: 60Isolation, synthesis and bioactivity evaluation of isoquinoline alkaloids from Corydalis hendersonii Hemsl. against gastric cancer in vitro and in vivo.
AID1578098Antitrypanosomal activity against Trypanosoma brucei rhodesiense2019Bioorganic & medicinal chemistry letters, 10-15, Volume: 29, Issue:20
Antiprotozoal alkaloid principles of the plant family Amaryllidaceae.
AID1890609Antiproliferative activity against human MGC-803 cells assessed as reduction in cell viability after 24 hrs by MTT assay2022Bioorganic & medicinal chemistry, 04-15, Volume: 60Isolation, synthesis and bioactivity evaluation of isoquinoline alkaloids from Corydalis hendersonii Hemsl. against gastric cancer in vitro and in vivo.
AID1578097Antitrypanosomal activity against Leishmania donovani2019Bioorganic & medicinal chemistry letters, 10-15, Volume: 29, Issue:20
Antiprotozoal alkaloid principles of the plant family Amaryllidaceae.
AID1890611Antiproliferative activity against human GES1 cells assessed as reduction in cell viability after 24 hrs by MTT assay2022Bioorganic & medicinal chemistry, 04-15, Volume: 60Isolation, synthesis and bioactivity evaluation of isoquinoline alkaloids from Corydalis hendersonii Hemsl. against gastric cancer in vitro and in vivo.
AID1350115Inhibition of human erythrocyte AChE using S-acetylthiocholine iodide as substrate pretreated for 20 mins followed by substrate addition measured after 30 mins by Ellman's method2018Journal of natural products, 02-23, Volume: 81, Issue:2
Mucroniferanines A-G, Isoquinoline Alkaloids from Corydalis mucronifera.
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (108)

TimeframeStudies, This Drug (%)All Drugs %
pre-199014 (12.96)18.7374
1990's15 (13.89)18.2507
2000's27 (25.00)29.6817
2010's38 (35.19)24.3611
2020's14 (12.96)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 36.91

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

MetricThis Compound (vs All)
Research Demand Index36.91 (24.57)
Research Supply Index4.74 (2.92)
Research Growth Index4.80 (4.65)
Search Engine Demand Index50.74 (26.88)
Search Engine Supply Index2.00 (0.95)

This Compound (36.91)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials2 (1.79%)5.53%
Reviews3 (2.68%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other107 (95.54%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]