Mouse fibroblast growth factor 15 (FGF15) and human ortholog FGF19 have been identified as the bile acid-induced intestinal factors that mediate bile acid feedback inhibition of cholesterol 7␣-hydroxylase gene (C YP7A1) transcription in mouse liver. The mechanism underlying FGF15/FGF19 inhibition of
Fibroblast growth factor 7 inhibits cholesterol 7α-hydroxylase gene expression in hepatocytes
✍ Scribed by Zhichao Sun; Xuemei Yu; Weibin Wu; Dongwei Jia; Yinle Chen; Lingling Ji; Xijun Liu; Xiaomin Peng; Yintao Li; Lili Yang; Yuanyuan Ruan; Jianxin Gu; Shifang Ren; Songwen Zhang
- Book ID
- 116303609
- Publisher
- Elsevier Science
- Year
- 2012
- Tongue
- English
- Weight
- 677 KB
- Volume
- 423
- Category
- Article
- ISSN
- 0006-291X
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Bile acid synthesis in the liver is regulated by the rate-limiting enzyme cholesterol 7␣-hydroxylase (CYP7A1). Transcription of the CYP7A1 gene is inhibited by bile acids and cytokines. The rate of bile acid synthesis is reduced immediately after partial hepatectomy and during the early stage of liv
The gene encoding cholesterol 7␣-hydroxylase (CYP7A1) is tightly regulated to control bile acid synthesis and maintain lipid homeostasis. Recent studies in mice suggest that bile acid synthesis is regulated by the fasted-to-fed cycle, and fasting induces CYP7A1 gene expression in parallel to the ind