442-52-4
Chemical Structure
Clemizole
- CAS No.: 442-52-4
- Formula:C19H20ClN3
- Molecular Weight:325.84
IUPAC Name: 1-(4-chlorobenzyl)-2-(pyrrolidin-1-ylmethyl)-1H-benzo[d]imidazole
InChIKey: CJXAEXPPLWQRFR-UHFFFAOYSA-N
SMILES: ClC1=CC=C(C=C1)CN2C(CN3CCCC3)=NC4=CC=CC=C24
Biological Activity: Clemizole is an orally active, blood-brain barrier permeable TRPC5 inhibitor, with an IC50 value of 1.05-1.34 μM against mouse TRPC5. Clemizole blocks TRPC1:TRPC5, TRPC3, TRPC4, TRPC6, TRPC7, hERG, hKCNQ1/hKCNE1 and hKv1.5 channels, and activates TRPA1; it modulates 5HT-2B and HTR2A receptors; it inhibits HCV RNA replication, CrtN enzymatic activity, oxidative stress, neuroinflammation, cell apoptosis and bacterial virulence; it maintains blood-brain barrier (BBB) integrity; it enhances DNA repair capacity; it improves cell viability; and it alters cardiac electrophysiological properties. Clemizole can be used in the research of Dravet syndrome, hepatitis C virus infection, Staphylococcus aureus skin infection, Cisplatin (HY-17394)-induced nephrotoxicity, STXBP1-related diseases, traumatic brain injury and xeroderma pigmentosum type C[1][2][3][4][5][6][7][8][9][10][11].
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Clemizole | 98.42% | Clemizole is an orally active, blood-brain barrier permeable TRPC5 inhibitor, with an IC50 value of 1.05-1.34 μM against mouse TRPC5. Clemizole blocks TRPC1:TRPC5, TRPC3, TRPC4, TRPC6, TRPC7, hERG, hKCNQ1/hKCNE1 and hKv1.5 channels, and activates TRPA1; it modulates 5HT-2B and HTR2A receptors; it inhibits HCV RNA replication, CrtN enzymatic activity, oxidative stress, neuroinflammation, cell apoptosis and bacterial virulence; it maintains blood-brain barrier (BBB) integrity; it enhances DNA repair capacity; it improves cell viability; and it alters cardiac electrophysiological properties. Clemizole can be used in the research of Dravet syndrome, hepatitis C virus infection, Staphylococcus aureus skin infection, Cisplatin (HY-17394)-induced nephrotoxicity, STXBP1-related diseases, traumatic brain injury and xeroderma pigmentosum type C. | ||||||||||||||||||||
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Clemizole-d4 | 99.82% | Clemizole-d4 is the deuterated-labeled Clemizole (HY-30234). Clemizole is an orally active, blood-brain barrier permeable TRPC5 inhibitor, with an IC50 value of 1.05-1.34 μM against mouse TRPC5. Clemizole blocks TRPC1:TRPC5, TRPC3, TRPC4, TRPC6, TRPC7, hERG, hKCNQ1/hKCNE1 and hKv1.5 channels, and activates TRPA1; it modulates 5HT-2B and HTR2A receptors; it inhibits HCV RNA replication, CrtN enzymatic activity, oxidative stress, neuroinflammation, cell apoptosis and bacterial virulence; it maintains blood-brain barrier (BBB) integrity; it enhances DNA repair capacity; it improves cell viability; and it alters cardiac electrophysiological properties. Clemizole can be used in the research of Dravet syndrome, hepatitis C virus infection, Staphylococcus aureus skin infection, Cisplatin (HY-17394)-induced nephrotoxicity, STXBP1-related diseases, traumatic brain injury and xeroderma pigmentosum type C. | ||||||||||||||||||||
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- [1]. Richter JM, et al. Clemizole hydrochloride is a novel and potent inhibitor of transient receptor potential channel TRPC5. Molecular pharmacology. 2014 Nov;86(5):514-21. [Content Brief]
- [2]. Baraban SC, et al. Drug screening in Scn1a zebrafish mutant identifies clemizole as a potential Dravet syndrome treatment. Nature communications. 2013;4:2410. [Content Brief]
- [3]. Jie LJ, et al. Clemizole hydrochloride blocks cardiac potassium currents stably expressed in HEK 293 cells. British journal of pharmacology. 2017 Feb;174(3):254-266. [Content Brief]
- [4]. Einav S, et al. Discovery of a hepatitis C target and its pharmacological inhibitors by microfluidic affinity analysis. Nature biotechnology. 2008 Sep;26(9):1019-27. [Content Brief]
- [5]. Yu H, et al. Clemizole inhibits CrtN-driven staphyloxanthin biosynthesis in Staphylococcus aureus to enhance host immune clearance. Communications biology. 2026 Feb 25;9(1):484. [Content Brief]
- [6]. Kumaş-Kulualp M, et al. Clemizole hydrochloride, a potent TRPC5 calcium channel inhibitor, prevents cisplatin-induced nephrotoxicity in Spraque-Dawley rats. Journal of biochemical and molecular toxicology. 2023 Jul;37(7):e23372. [Content Brief]
- [7]. Moog M, et al. Clemizole and trazodone are effective antiseizure treatments in a zebrafish model of STXBP1 disorder. Epilepsia open. 2022 Sep;7(3):504-511. [Content Brief]
- [8]. Chauhan C, et al. Clemizole Mitigates Traumatic Brain Injury by Inhibiting Oxidative Stress, Neuroinflammation, and Apoptosis. ACS chemical neuroscience. 2026 May 06;17(9):1787-1801. [Content Brief]
- [9]. Nishimura T, et al. Using chimeric mice with humanized livers to predict human drug metabolism and a drug-drug interaction. The Journal of pharmacology and experimental therapeutics. 2013 Feb;344(2):388-96. [Content Brief]
- [10]. Griffin A, et al. Clemizole and modulators of serotonin signalling suppress seizures in Dravet syndrome. Brain : a journal of neurology. 2017 Mar 01;140(3):669-683. [Content Brief]
- [11]. Kobaisi F, et al. Isoconazole and Clemizole Hydrochloride Partially Reverse the Xeroderma Pigmentosum C Phenotype. International journal of molecular sciences. 2021 Jul 29;22(15):8156. [Content Brief]
Keywords
