人类AKR1C3结合了GPR84的激动因子,并参与了扩展的聚胺通路
Natavan Dudkina1, Hyun Bong Park2, Deguang Song3
1Department of Chemistry, Yale University, New Haven, CT 06520, USA; Institute of Biomolecular Design & Discovery, Yale University, West Haven, CT 06516, USA.
人类阿尔多基因还原酶家族1成员C3 (AKR1C3) 转化精子氧化产物,影响DNA损伤和自. 这种酶将脂肪酸合成和NADPH水平与GPR84信号联系起来.
科学领域:
- 生物化学 生化学
- 分子生物学分子生物学
- 癌症研究 癌症研究
背景情况:
- 人类阿尔多-基因还原酶家族1成员C3 (AKR1C3) 的改变表达与癌症预后不佳,铁灭菌耐药性和代谢障碍有关.
- 尽管AKR1C3具有临床意义,但其精确的内源生物化学功能尚未完全理解.
研究的目的:
- 为了阐明AKR1C3.3.的内源生化作用.
- 研究由AKR1C3.3.调节的代谢途径.
- 确定潜在的AKR1C3抑制剂及其作用机制.
主要方法:
- 非向的代谢学来识别AKR1C3介导的转变.
- 在体外测试以评估代谢产品的生物效应.
- 选G蛋白结合受体 (GPCR) 连接体的选.
- 酶活性测定. 酶活性测定.
主要成果:
- AKR1C3将精氨酸氧化产物"sperminal"降解为"sperminol".
- "精子"诱导DNA损伤并激活DNA双链断裂反应.
- "精子醇"在体外促进了自.
- AKR1C3与乙-皮龙相互作用; 皮龙-211抑制AKR1C3并激活GPR84受体.
- 哺乳动物脂肪酸合成酶产生由NADPH调节的乙-皮龙.
结论:
- AKR1C3在扩展聚胺通路中起着调节作用.
- 一个新的模型将脂肪酸合成和NADPH水平与GPR84信号通过AKR1C3.3.连接起来.
- 这些发现为癌症代谢和潜在的治疗点提供了新的见解.
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