C0424
PK 11195
peripheral benzodiazepine antagonist, powder
Synonym(s):
1-(2-Chlorophenyl)-N-methyl-N-(1-methylpropyl)-3-isoquinolinecarboxamide
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About This Item
Empirical Formula (Hill Notation):
C21H21ClN2O
CAS Number:
Molecular Weight:
352.86
UNSPSC Code:
12352200
PubChem Substance ID:
NACRES:
NA.77
MDL number:
Form:
powder
Quality level:
Product Name
PK 11195,
form
powder
Quality Level
SMILES string
CCC(C)N(C)C(=O)c1cc2ccccc2c(n1)-c3ccccc3Cl
InChI
1S/C21H21ClN2O/c1-4-14(2)24(3)21(25)19-13-15-9-5-6-10-16(15)20(23-19)17-11-7-8-12-18(17)22/h5-14H,4H2,1-3H3
InChI key
RAVIZVQZGXBOQO-UHFFFAOYSA-N
Gene Information
human ... BZRAP1(9256), TSPO(706)
rat ... Gabra2(29706), Tspo(24230)
Application
PK 11195 has been used as an inhibitor of peripheral benzodiazepine receptor (PBR) homologs in primitive erythrocytes of embryos and in osteosarcoma cytoplasmic hydrids. It has also been used as an unlabelled competitive binder in in vitro autoradiography experiments in cardiac tissue sections.
Biochem/physiol Actions
PK 11195 is a peripheral benzodiazepine antagonist. It is also an antagonist for human constitutive androstane receptor (hCAR) and human pregnane X receptor (PXR). In human primary hepatocytes, PK 11195 upon demethylation elicits agonist functionality towards the receptor hCAR. PK 11195 also antagonise B-cell lymphoma 2 (Bcl-2) and may serve as a potential compound for mitochondrial targeting therapies and in the treatment of cholangiocarcinoma.
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Storage Class
11 - Combustible Solids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Pk11195, a mitochondrial benzodiazepine receptor antagonist, reduces apoptosis threshold in Bcl-XL and Mcl-1 expressing human cholangiocarcinoma cells
Okaro AC, et al.
Gut, 51(4), 556-561 (2002)
M Okubo et al.
European journal of pharmacology, 359(2-3), 243-249 (1998-12-01)
This study examined the influence of benzodiazepine receptors on amylase release from rat parotid acinar cells. Diazepam (10(-8)-10(-6) M), which is a potent agonist of both central- and peripheral-type benzodiazepine receptors, dose dependently decreased amylase release induced by isoprenaline and
A S Hazell et al.
Neuroscience letters, 271(1), 5-8 (1999-09-02)
Alterations of 'peripheral-type' benzodiazepine receptors (PTBRs) in brain are a feature of hepatic encephalopathy (HE). Although ammonia toxicity has been implicated in the disorder, recent findings suggest an accumulation of manganese in the brains of cirrhotic patients dying in hepatic