Clinical reviews in allergy & immunology

Age-Related Immune Changes, Chronic Inflammation, and Frailty Linked to Myeloid Immune Cells

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Abstract

A subclinical syndrome of homeostatic frailty is associated with immune debilitation and chronic low-grade inflammation in the elderly.

  • Aging progressively undermines the immune system's ability to maintain tissue homeostasis.
  • The balance between myeloid and lymphoid responses is crucial for proper immune function.
  • Homeostatic frailty may predispose elderly individuals to chronic and degenerative diseases.
  • Alterations in the innate immune compartment include changes in myeloid progenitor differentiation.
  • These age-dependent changes could affect responses to both internal and external threats.

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