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Epigenetic changes during ageing and their underlying mechanisms

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Author(s):
Braga, Deisi L. ; Mousovich-Neto, Felippe ; Tonon-da-Silva, Guilherme ; Salgueiro, Willian G. ; Mori, Marcelo A.
Total Authors: 5
Document type: Journal article
Source: BIOGERONTOLOGY; v. 21, n. 4, p. 21-pg., 2020-04-30.
Abstract

As life expectancy increases worldwide, ageing and age-related diseases arise as a major issue for societies around the globe. Understanding the biological mechanisms underlying the ageing process is thus instrumental for the development of efficient interventions aimed to prevent and treat age-related conditions. Current knowledge in the biogerontology field points to epigenetics as a critical component of the ageing process, not only by serving as a bona-fide marker of biological age but also by controlling and conferring inheritability to cellular and organismal ageing. This is reflected by a myriad of evidences demonstrating the relationship between DNA methylation, histone modifications, chromatin remodeling and small non-coding RNAs and several age-related phenotypes. Given the reversibility of epigenetic alterations, epigenetic reprogramming may also be envisioned as a potential approach to treat age-related disorders. Here we review how different types of epigenetic mechanisms are involved in the ageing process. In addition, we highlight how interventions modulate epigenetics and thus promote health- and lifespan. (AU)

FAPESP's process: 19/14391-8 - Screening and characterization of Dicer regulators in C. elegans
Grantee:Willian Goulart Salgueiro
Support Opportunities: Scholarships abroad - Research Internship - Master's degree
FAPESP's process: 17/22057-5 - Physiological effects and transgenerational inheritance induced by cholesterol-rich diet in Caenorhabditis elegans
Grantee:Willian Goulart Salgueiro
Support Opportunities: Scholarships in Brazil - Master
FAPESP's process: 17/08829-5 - Investigation of the interaction between Dicer and the NAD+ signalling pathway in C. elegans metabolism and aging
Grantee:Guilherme Tonon da Silva
Support Opportunities: Scholarships in Brazil - Master
FAPESP's process: 18/11672-3 - Characterization in mice of novel genes involved in the evolutionarily conserved mechanisms of dietary restriction and its mimetics
Grantee:Felippe Mousovich Neto
Support Opportunities: Scholarships in Brazil - Post-Doctoral
FAPESP's process: 17/01184-9 - CAMeLEOm: cross-species analysis of metabolic, lifespan effects and omics of dietary restriction mimetics
Grantee:Marcelo Alves da Silva Mori
Support Opportunities: Research Projects - Thematic Grants
FAPESP's process: 18/11792-9 - Characterization in C. elegans of novel genes involved in aging and the evolutionarily conserved mechanisms of dietary restriction mimetics
Grantee:Deisi Lilian Braga Shimo
Support Opportunities: Scholarships in Brazil - Doctorate (Direct)