Chymase Inhibitor as a Novel Therapeutic Agent for Non-alcoholic Steatohepatitis.

Chymase Inhibitor as a Novel Therapeutic Agent for Non-alcoholic Steatohepatitis.
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DOI:
10.3389/fphar.2018.00144
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发表时间:
2018
影响因子:
5.6
通讯作者:
Jin D
Jin D
中科院分区:
医学2区
文献类型:
--
作者:
Takai S;Jin D

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非酒精性脂肪性肝炎(NASH)的特征是肝脏除了脂肪变性之外还存在炎症和纤维化,但尚未确定治疗药物。肥大细胞蛋白酶食糜酶可产生血管紧张素II、基质金属蛋白酶9和转化生长因子-β,所有这些都与肝脏炎症或纤维化有关。在 NASH 动物模型中,在肝脏中观察到食糜酶增加。在组织学分析中,食糜酶抑制剂可预防肝脏脂肪变性、炎症和纤维化。食糜酶抑制剂还减弱了 NASH 肝脏中观察到的血管紧张素 II、基质金属蛋白酶 9 和转化生长因子 β 的增强。氧化应激、炎症标记物和胶原蛋白通过食糜酶抑制而减弱。此外,食糜酶抑制剂对已发生的 NASH 有缓解作用,并且食糜酶抑制剂治疗显着提高了存活率。在这篇综述中,我们提出食糜酶抑制剂有潜力成为 NASH 的新型疗法。
Non-alcoholic steatohepatitis (NASH) is characterized by inflammation and fibrosis, in addition to steatosis, of the liver, but no therapeutic agents have yet been established. The mast cell protease chymase can generate angiotensin II, matrix metalloproteinase-9 and transforming growth factor-β, all of which are associated with liver inflammation or fibrosis. In animal models of NASH, augmented chymase has been observed in the liver. In histological analysis, chymase inhibitor prevented hepatic steatosis, inflammation, and fibrosis. Chymase inhibitor also attenuated the augmentation of angiotensin II, matrix metalloproteinase-9, and transforming growth factor-β observed in the liver of NASH. Oxidative stress, inflammatory markers, and collagen were attenuated by chymase inhibition. Moreover, chymase inhibitor showed a mitigating effect on established NASH, and survival rates were significantly increased by treatment with chymase inhibitor. In this review, we propose that chymase inhibitor has potential as a novel therapy for NASH.
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