A multi-omics approach to investigate the inflammatory response to life course socioeconomic position

R. Castagne, M. Kelly-Irving, V. Krogh, D. Palli, S. Panico, Carlotta SACERDOTE, R. Tumino, D. G. A. J. Hebels, J. C. S. Kleinjans, Kok T. M. C. M. De, P. Georgiadis, S. A. Kyrtopoulos, R. Vermeulen, S. Stringhini, P. Vineis, M. Chadeau-Hyam, C. Delpierre

Risultato della ricerca: Contributo su rivistaArticolo in rivistapeer review

Abstract

Aim: Inflammation represents a potential pathway through which socioeconomic position (SEP) is biologically embedded. Materials & methods: We analyzed inflammatory biomarkers in response to life course SEP by integrating multi-omics DNA-methylation, gene expression and protein level in 178 European Prospective Investigation into Cancer and Nutrition-Italy participants. Results & conclusion: We identified 61 potential cis acting CpG loci whose methylation levels were associated with gene expression at a Bonferroni correction. We examined the relationships between life course SEP and these 61 cis-acting regulatory methylation sites individually and jointly using several scores. Less-advantaged SEP participants exhibit, later in life, a lower inflammatory methylome score, suggesting an overall increased expression of the corresponding inflammatory genes or proteins, supporting the hypothesis that SEP impacts adult physiology through inflammation.
Lingua originaleInglese
pagine (da-a)1287-1302
Numero di pagine16
RivistaEpigenomics
Volume12
Numero di pubblicazione15
DOI
Stato di pubblicazionePubblicato - 2020

Keywords

  • DNA methylation
  • gene expression
  • inflammation
  • life course epidemiology
  • protein
  • socioeconomic position

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