Lipofuscin: formation, effects and role of macroautophagy.

Lipofuscin: formation, effects and role of macroautophagy.
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DOI:
10.1016/j.redox.2013.01.006
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发表时间:
2013-01-19
期刊:
影响因子:
11.4
通讯作者:
Grune, Tilman
Grune, Tilman
中科院分区:
生物学1区
文献类型:
--
作者:
Hoehn, Annika;Grune, Tilman

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Oxidative stress plays a crucial role in the development of the aging process and age dependent diseases. Both are closely connected to disturbances of proteostasis by protein oxidation and an impairment of the proteasomal system. The final consequence is the accumulation of highly cross-linked undegradable aggregates such as lipofuscin. These aggregates of damaged proteins are detrimental to normal cell functions. Here we provide an overview about effect of these aggregates on the proteasomal system, followed by transcription factor activation and loss of cell viability. Furthermore, findings on the mechanism of radical genesis, proteasomal inhibition and the required components of lipofuscin formation were resumed.
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