RT Journal Article SR Electronic T1 Cross-species functional modules link proteostasis to human normal aging JF bioRxiv FD Cold Spring Harbor Laboratory SP 287128 DO 10.1101/287128 A1 Komljenovic, Andrea A1 Li, Hao A1 Sorrentino, Vincenzo A1 Kutalik, Zoltán A1 Auwerx, Johan A1 Robinson-Rechavi, Marc YR 2018 UL http://biorxiv.org/content/early/2018/03/23/287128.1.abstract AB The evolutionarily conserved nature of the few well-known anti-aging interventions that affect lifespan, such as caloric restriction, suggests that aging-related research in model organisms is directly relevant to human aging. Since human lifespan is a complex trait, a systems-level approach will contribute to a more comprehensive understanding of the underlying aging landscape. Here, we integrate evolutionary and functional information of normal aging across human and model organisms at three levels: gene-level, process-level, and network-level. We identify evolutionarily conserved modules of normal aging across diverse taxa, and importantly, we show that proteostasis involvement is conserved in healthy aging. Additionally, we find that mechanisms related to protein quality control network are enriched in 22 age-related genome-wide association studies (GWAS) and are associated to caloric restriction. These results demonstrate that a systems-level approach, combined with evolutionary conservation, allows the detection of candidate aging genes and pathways relevant to human normal aging.HighlightsNormal aging is evolutionarily conserved at the module level.Core pathways in healthy aging are related to mechanisms of protein quality networkThe evolutionarily conserved pathways of healthy aging react to caloric restriction.Our integrative approach identifies evolutionarily conserved functional modules and showed enrichment in several age-related GWAS studies.