Synthesis and Biological Evaluation of Peripheral 5HT2B Antagonists for Liver Fibrosis
- Type
- Article
- Citation
- JOURNAL OF MEDICINAL CHEMISTRY, v.68, no.6, pp.6493 - 6506
- Issued Date
- 2025-03
- Abstract
- Liver fibrosis is characterized by an excessive accumulation of extracellular matrix components, leading to the distortion of liver architecture and function. Recent studies have shown that antagonizing 5-hydroxytryptamine receptor 2B (5HT2B) stimulates the apoptosis of activated hepatic stellate cells and inhibits their proliferation while concurrently regressing hepatocyte proliferation. In this study, we present compound 19c, which demonstrates promising efficacy both in vitro and in vivo. 19c showed robust in vitro activity with an IC50 value of 1.09 nM and limited blood-brain barrier penetration. Furthermore, 19c did not significantly inhibit hERG and cytochrome P450 enzymes. 19c markedly reduced fibrotic deposition, with a decrease in fibrosis stage and area in the CCl4-induced liver fibrosis mouse model. Additionally, treatment with 19c led to downregulation of key fibrosis-related genes, including alpha-SMA, Timp1, Col1a1, and Col3a1. Taken together, these results suggest that 19c has the potential to be a novel antifibrotic agent.
- Publisher
- AMER CHEMICAL SOC
- ISSN
- 0022-2623
- Appears in Collections:
- Department of Chemistry > 1. Journal Articles
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