Apoptosis in the aging liver.

Apoptosis in the aging liver.
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衰老肝脏中的细胞凋亡

DOI:
10.18632/oncotarget.21123
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发表时间:
2017-11-24
期刊:
影响因子:
--
通讯作者:
Yang SL
Yang SL
中科院分区:
其他
文献类型:
--
作者:
Zhong HH;Hu SJ;Yu B;Jiang SS;Zhang J;Luo D;Yang MW;Su WY;Shao YL;Deng HL;Hong FF;Yang SL

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衰老过程中肝脏的各种变化会降低肝功能,促进肝损伤。老龄化与各种肝病患者的高发病率和预后不良相关,包括非酒精性脂肪肝、丙型肝炎和肝癌,以及部分肝切除术和肝移植等手术。此外,细胞凋亡随着肝脏老化而增加。由于细胞凋亡参与肝脏衰老过程中的再生、纤维化和癌症预防,恢复适当水平的细胞凋亡可以减轻肝脏衰老的不良影响,因此了解这一过程的机制非常重要。在此,我们详细阐述了肝脏衰老过程中细胞凋亡的原因,重点是氧化应激,基因组不稳定性,脂毒性,内质网应激,营养传感失调,肝干/祖细胞活性。
Various changes in the liver during aging can reduce hepatic function and promote liver injury. Aging is associated with high morbidity and a poor prognosis in patients with various liver diseases, including nonalcoholic fatty liver disease, hepatitis C and liver cancer, as well as with surgeries such as partial hepatectomy and liver transplantation. In addition, apoptosis increases with liver aging. Because apoptosis is involved in regeneration, fibrosis and cancer prevention during liver aging, and restoration of the appropriate level of apoptosis can alleviate the adverse effects of liver aging, it is important to understand the mechanisms underlying this process. Herein, we elaborate on the causes of apoptosis during liver aging, with a focus on oxidative stress, genomic instability, lipotoxicity, endoplasmic reticulum stress, dysregulation of nutrient sensing, and liver stem/progenitor cell activity.
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