HSF-1: Guardian of the Proteome Through Integration of Longevity Signals to the Proteostatic Network.
HSF-1: Guardian of the Proteome Through Integration of Longevity Signals to the Proteostatic Network.
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DOI:
10.3389/fragi.2022.861686
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发表时间:
2022
影响因子:
--
通讯作者:
Samuelson, Andrew V.
中科院分区:
文献类型:
--
作者:
Lazaro-Pena, Maria I.;Ward, Zachary C.;Yang, Sifan;Strohm, Alexandra;Merrill, Alyssa K.;Soto, Celia A.;Samuelson, Andrew V.
关键词:
Discoveries made in the nematode Caenorhabditis elegans revealed that aging is under genetic control. Since these transformative initial studies, C. elegans has become a premier model system for aging research. Critically, the genes, pathways, and processes that have fundamental roles in organismal aging are deeply conserved throughout evolution. This conservation has led to a wealth of knowledge regarding both the processes that influence aging and the identification of molecular and cellular hallmarks that play a causative role in the physiological decline of organisms. One key feature of age-associated decline is the failure of mechanisms that maintain proper function of the proteome (proteostasis). Here we highlight components of the proteostatic network that act to maintain the proteome and how this network integrates into major longevity signaling pathways. We focus in depth on the heat shock transcription factor 1 (HSF1), the central regulator of gene expression for proteins that maintain the cytosolic and nuclear proteomes, and a key effector of longevity signals.
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