Reversing the immune ageing clock: lifestyle modifications and pharmacological interventions

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Abstract

It is widely accepted that ageing is accompanied by remodelling of the immune system, including reduced numbers of naïve T cells, increased senescent or exhausted T cells, compromise to monocyte, neutrophil and natural killer cell function and an increase in systemic inflammation. In combination these changes result in increased risk of infection, reduced immune memory, reduced immune tolerance and immune surveillance, with significant impacts upon health in old age. More recently it has become clear that the rate of decline in the immune system is malleable and can be influenced by environmental factors such as physical activity as well as pharmacological interventions. This review discusses briefly our current understanding of immunesenescence and then focuses on lifestyle interventions and therapeutic strategies that have been shown to restore immune functioning in aged individuals.

Original languageEnglish
Pages (from-to)481-496
Number of pages16
JournalBiogerontology
Volume19
Issue number6
Early online date29 Sep 2018
DOIs
Publication statusPublished - Dec 2018

Keywords

  • Ageing
  • Immunesenescence
  • Inflammaging

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