Sci Rep:α-氧化戊二醛能够抑制永生正常膀胱上皮细胞增殖

2018-03-21 AlexYang MedSci原创

间质性膀胱炎(IC)是一种慢性泌尿道疾病,可以通过不愉悦的感觉来进行鉴定,比如在没有感染或者其他确定的起因时发生的持续的骨盆疼痛。之前,研究人员利用核磁共振和色谱法/质谱分析对来源于IC病人的泌尿样本进行了综合的代谢组分析,并且发现α-氧化戊二醛(α-OG)的水平显著的提高。α-OG是一种三羧酸(TCA)循环中的中间代谢产物,且报道其有抑制永生正常人类膀胱上皮细胞增殖的功能。最近,有研究人员鉴定了

间质性膀胱炎(IC)是一种慢性泌尿道疾病,可以通过不愉悦的感觉来进行鉴定,比如在没有感染或者其他确定的起因时发生的持续的骨盆疼痛。之前,研究人员利用核磁共振和色谱法/质谱分析对来源于IC病人的泌尿样本进行了综合的代谢组分析,并且发现α-氧化戊二醛(α-OG)的水平显著的提高。α-OG是一种三羧酸(TCA)循环中的中间代谢产物,且报道其有抑制永生正常人类膀胱上皮细胞增殖的功能。

最近,有研究人员鉴定了一个富含AT交互结构域1A(ARID1A),一个关键的染色质重塑子,可以被α-OG处理去甲基化和上调。上述结果是通过EPIC DNA甲基化分析和随后的生化方法来鉴定的,包括定量RT-PCR和蛋白免疫印迹分析。更进一步的是,研究人员发现α-OG几乎能够完全抑制10-11易位酶的活性,但是不影响DNA甲基化转移酶(DNMT)活性。

最后,研究人员指出,他们的研究阐释了α-OG通过在膀胱中对ARID1A和TET表达影响而对表观重塑具有潜在的作用。这也许为治疗IC提供了一个新的可能的治疗策略。

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    2018-03-28 明月清辉

    谢谢分享.学习了

    0

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