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Unraveling the relationship between high-sensitivity C-reactive protein and frailty: evidence from longitudinal cohort study and genetic analysis

  • 0Center for Genetic Epidemiology and Genomics, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu, People's Republic of China.
Bmc Geriatrics +

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March 4, 2024

|

March 4, 2024

View abstract on PubMed

Summary

This summary is machine-generated.

High-sensitivity C-reactive protein (hs-CRP) is linked to increased frailty risk in older adults. Reducing inflammation may help prevent frailty and reverse pre-frailty.

Area Of Science

  • Gerontology
  • Inflammation Research
  • Biomarkers

Background

  • Frailty is a significant geriatric syndrome associated with adverse health outcomes.
  • Systemic inflammation, indicated by high-sensitivity C-reactive protein (hs-CRP), is implicated in aging and disease.
  • Understanding the link between hs-CRP and frailty is crucial for developing preventative strategies.

Purpose Of The Study

  • To investigate the association between hs-CRP levels and incident frailty in middle-aged and older adults.
  • To examine the impact of hs-CRP on the progression and regression of pre-frailty.
  • To explore the causal relationship between CRP and frailty using genetic approaches.

Main Methods

  • Longitudinal analysis of 6890 participants from the China Health and Retirement Longitudinal Study (CHARLS).
  • Frailty index (FI) calculated using 41 items to categorize participants.
  • Logistic regression and genetic methods (LDSC, MR) to assess associations and causality.

Main Results

  • High hs-CRP levels were associated with an 1.18 times higher risk of developing frailty.
  • Mendelian randomization suggested a potential positive causal link between genetically determined hs-CRP and frailty risk.
  • High hs-CRP increased pre-frailty progression odds (OR: 1.39) and decreased regression odds (OR: 0.84).

Conclusions

  • Elevated hs-CRP is a significant risk factor for incident frailty and adverse pre-frailty transitions.
  • Targeting systemic inflammation may be a viable strategy for frailty prevention and intervention.
  • These findings highlight the importance of managing inflammation in aging populations.

Keywords:

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