Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
SHR Neuro Krebs Kardio Lipid Stoffw Microb
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.
A histone point mutation that switches on autophagy.
Autophagy. 2014; 10(6):1143-1145
Doi: 10.4161/auto.28767
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- Co-Autor*innen der Med Uni Graz
- Fuchs Aleksandra
- Harger Alexandra
- Pieber Thomas
- Sedej Simon
- Sinner Frank Michael
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- 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.
- Find related publications in this database (using NLM MeSH Indexing)
- Animals -
- Autophagy -
- Coenzyme A Ligases - metabolism
- Drosophila Proteins - metabolism
- Longevity -
- Find related publications in this database (Keywords)
- acetyl-coenzyme A
- aging
- ATG
- autophagy
- epigenetic
- histone acetylation
- transcription