The role of melatonin, a multitasking molecule, in retarding the processes of ageing

Maryam Majidinia, Russel J. Reiter, Seyed Kazem Shakouri, Bahman Yousefi

Research output: Contribution to journalReview articlepeer-review

35 Scopus citations

Abstract

Biological ageing is generally accompanied by a gradual loss of cellular functions and physiological integrity of organ systems, the consequential enhancement of vulnerability, senescence and finally death. Mechanisms which underlie ageing are primarily attributed to an array of diverse but related factors including free radical-induced damage, dysfunction of mitochondria, disruption of circadian rhythms, inflammaging, genomic instability, telomere attrition, loss of proteostasis, deregulated sensing of nutrients, epigenetic alterations, altered intercellular communication, and decreased capacity for tissue repair. Melatonin, a prime regulator of human chronobiological and endocrine physiology, is highly reputed as an antioxidant, immunomodulatory, antiproliferative, oncostatic, and endocrine-modulatory molecule. Interestingly, several recent reports support melatonin as an anti-ageing agent whose multifaceted functions may lessen the consequences of ageing. This review depicts four categories of melatonin's protective effects on ageing-induced molecular and structural alterations. We also summarize recent findings related to the function of melatonin during ageing in various tissues and organs.

Original languageEnglish (US)
Pages (from-to)198-213
Number of pages16
JournalAgeing Research Reviews
Volume47
DOIs
StatePublished - Nov 2018

Keywords

  • Ageing
  • Circadian rhythm
  • Inflammation
  • Metabolic sensing
  • Mitochondria dysfunction
  • Oxidative stress

ASJC Scopus subject areas

  • Biotechnology
  • Biochemistry
  • Aging
  • Molecular Biology
  • Neurology

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