**Background**
Cytochrome P450 2A6 (CYP2A6) is a critical member of the cytochrome P450 enzyme superfamily, primarily responsible for the metabolism of nicotine in the human liver. The efficiency of CYP2A6-mediated metabolism significantly influences nicotine pharmacokinetics and, consequently, the addictive potential of tobacco and the success rate of smoking cessation interventions. Because of its pivotal role in nicotine clearance, the development of selective CYP2A6 inhibitors has become a significant area of pharmacological research to modulate nicotine levels and aid in the treatment of nicotine dependence. In this context, we will introduce a potent CYP2A6 inhibitor – 3-Phenylthiophene.
**Definition**
3-Phenylthiophene is a synthetic CYP2A6 inhibitor with a Ki value of 3.3 μM.
**In Vitro Studies**
According to the 3-Phenylthiophene technical information, this compound exhibits a high degree of selectivity toward specific cytochrome P450 isoforms. In 3-Phenylthiophene in vitro assays, the compound demonstrated a Ki value of 3.3 μM for CYP2A6, making it a potent inhibitor of this target. Furthermore, it showed moderate inhibitory activity against other isoforms, with Ki values of 9.7 μM for CYP2E1, 14 μM for CYP2B6, 112 μM for CYP2C9, and 107 μM for CYP2C19. Notably, 3-Phenylthiophene showed no significant inhibition on CYP3A4 and CYP2D6, both exhibiting Ki values greater than 400 μM. Based on the 3-Phenylthiophene description, the compound possesses a molecular weight of 160.23 and a chemical formula of C10H8S. These properties allow it to serve as a valuable tool in studying the mechanism of nicotine metabolism and developing strategies for smoking cessation. In conclusion, 3-Phenylthiophene is a selective CYP2A6 inhibitor suitable for pharmacological research.
Keywords
3-Phenylthiophene, 2404-87-7, Cytochrome P450, CYPs, enzyme inhibitor, structure-activity relationship, kinetics, selectivity, mechanism-based inactivation, cocrystallization, nicotine analogues, Inhibitor, inhibitor, inhibit
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