Defining early life stress as a precursor for autoimmune disease

Jamie Y. Choe, Maya Nair, Riyaz Basha, Byung Jin Kim, Harlan P. Jones

Research output: Contribution to journalArticlepeer-review

Abstract

Childhood exposure to traumatic events, termed early life stress (ELS), is now widely recognized for causing long-term negative health effects that may not manifest until adulthood. Allostatic load (AL) describes the cumulative “wear-and-tear” effects of chronic stress on the body that may adversely affect human health by accelerating other disease processes. Recent epidemiological studies have reported higher stress levels in industrialized countries and trends of increasing prevalence in autoimmune diseases during recent decades. To elucidate mechanisms of stress-related immune dysregulation, most animal studies up to now have focused on AL and stress-triggered events occurring in adults but have not explored ELS in the context of autoimmune disorders. We have identified a current gap in understanding the impact of ELS on immune system ontogeny and its potential for priming genetically susceptible individuals who are at increased risk for autoimmune diseases later in life, through mechanisms involving neuroendocrine–immune cross talk. In this review, we highlight the intersection between stress and immune function, with a focus on ELS as consequential for increased autoimmune disorder risks later in life.

Original languageEnglish
Pages (from-to)329-342
Number of pages14
JournalCritical Reviews in Immunology
Volume39
Issue number5
DOIs
StatePublished - 2019

Keywords

  • Allostatic load
  • Autoimmunity
  • Early life stress
  • Immunomodulation
  • Sympathetic nervous system
  • T lymphocytes
  • Thymus gland

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