A histone point mutation that switches on autophagy.

Abstract:

:The multifaceted process of aging inevitably leads to disturbances in cellular metabolism and protein homeostasis. To meet this challenge, cells make use of autophagy, which is probably one of the most important pathways preserving cellular protection under stressful conditions. Thus, efficient autophagic flux is required for healthy aging in many if not all eukaryotic organisms. The regulation of autophagy itself is affected by changing metabolic conditions, but the precise metabolic circuitries are poorly understood. Recently, we found that the nucleocytosolic pool of acetyl-coenzyme A (AcCoA) functions as a major and dominant suppressor of cytoprotective autophagy during aging. Here, we propose an epigenetic mechanism for AcCoA-mediated autophagy suppression that causally involves the regulation of histone acetylation and changes in the autophagy-relevant transcriptome.

journal_name

Autophagy

journal_title

Autophagy

authors

Eisenberg T,Schroeder S,Büttner S,Carmona-Gutierrez D,Pendl T,Andryushkova A,Mariño G,Pietrocola F,Harger A,Zimmermann A,Magnes C,Sinner F,Sedej S,Pieber TR,Dengjel J,Sigrist S,Kroemer G,Madeo F

doi

10.4161/auto.28767

subject

Has Abstract

pub_date

2014-06-01 00:00:00

pages

1143-5

issue

6

eissn

1554-8627

issn

1554-8635

pii

28767

journal_volume

10

pub_type

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