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Medientyp:
E-Artikel
Titel:
mTORC1 Crosstalk With Stress Granules in Aging and Age-Related Diseases
Beteiligte:
Cadena Sandoval, Marti;
Heberle, Alexander Martin;
Rehbein, Ulrike;
Barile, Cecilia;
Ramos Pittol, José Miguel;
Thedieck, Kathrin
Erschienen:
Frontiers Media SA, 2021
Erschienen in:Frontiers in Aging
Sprache:
Nicht zu entscheiden
DOI:
10.3389/fragi.2021.761333
ISSN:
2673-6217
Entstehung:
Anmerkungen:
Beschreibung:
<jats:p>The mechanistic target of rapamycin complex 1 (mTORC1) kinase is a master regulator of metabolism and aging. A complex signaling network converges on mTORC1 and integrates growth factor, nutrient and stress signals. Aging is a dynamic process characterized by declining cellular survival, renewal, and fertility. Stressors elicited by aging hallmarks such as mitochondrial malfunction, loss of proteostasis, genomic instability and telomere shortening impinge on mTORC1 thereby contributing to age-related processes. Stress granules (SGs) constitute a cytoplasmic non-membranous compartment formed by RNA-protein aggregates, which control RNA metabolism, signaling, and survival under stress. Increasing evidence reveals complex crosstalk between the mTORC1 network and SGs. In this review, we cover stressors elicited by aging hallmarks that impinge on mTORC1 and SGs. We discuss their interplay, and we highlight possible links in the context of aging and age-related diseases.</jats:p>