Protopine

Protopine (Corydinine), an isoquinoline alkaloid, is a specific reversible and competitive inhibitor of acetylcholinesterase. Protopine exhibits anti-inflammation, anti-microbial, anti-angiogenic and anti-tumour activity[1][2].

Product Specifications

CAS Number

[130-86-9]

Product Name Alternative

Corydinine

UNSPSC

12352005

Hazard Statement

H302

Target

Cholinesterase (ChE)

Type

Natural Products

Related Pathways

Neuronal Signaling

Applications

Cancer-programmed cell death

Field of Research

Cancer; Infection; Inflammation/Immunology; Neurological Disease

Assay Protocol

https://www.medchemexpress.com/Protopine.html

Purity

99.81

Solubility

DMSO : 12.5 mg/mL (ultrasonic; warming; heat to 60°C)

Smiles

O=C1CC2=CC=C3C(OCO3)=C2CN(C)CCC4=CC5=C(OCO5)C=C41

Molecular Formula

C20H19NO5

Molecular Weight

353.37

Precautions

H302

References & Citations

[1]Kim SR, et, al. Protopine from Corydalis ternata has anticholinesterase and antiamnesic activities. Planta Med. 1999 Apr;65 (3) :218-21. |[2]Nie C, et, al. Protopine triggers apoptosis via the intrinsic pathway and regulation of ROS/PI3K/Akt signalling pathway in liver carcinoma. Cancer Cell Int. 2021 Jul 27;21 (1) :396.|[3]Xu LF, et al. Protopine inhibits serotonin transporter and noradrenaline transporter and has the antidepressant-like effect in mice models. Neuropharmacology. 2006 Jun;50 (8) :934-40. |[4]Xiao X, et al. Protective effect of protopine on the focal cerebral ischaemic injury in rats. Basic Clin Pharmacol Toxicol. 2007 Aug;101 (2) :85-9.