ArticleFrontiers in aging neuroscience2023
Pain interference mediates the association between epigenetic aging and grip strength in middle to older aged males and females with chronic pain.
Article in Frontiers in aging neuroscience, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed, 11 citations in OpenAlex.
- Grip strength indicators and successful aging among middle-aged and older adults: evidence from the CHARLS cohort.Scientific reports · 2026Article
- Outcome-guided Bayesian clustering for disease subtype discovery using high-dimensional transcriptomic data.Journal of applied statistics · 2025Article
- Methylation and algorithms in biological aging: a scoping review.Frontiers in aging · 2025Review
- Bridging Pain and Motoric Cognitive Risk Syndrome: Mediating Effect of Handgrip Strength.Journal of pain research · 2025Article
- High-Impact Pain Is Associated With Epigenetic Aging Among Middle-Aged and Older Adults: Findings From the Health and Retirement Study.The journals of gerontology. Series A, Biological sciences and medical sciences · 2024Article
- Influencing factors of chronic pain after total knee replacement in osteoarthritis patients: a nomogram prediction model.American journal of translational research · 2024Article
- Clinical and biobehavioral phenotypic assessments and data harmonization for the RE-JOIN research consortium: Recommendations for common data element selection.Neurobiology of pain (Cambridge, Mass.)Article
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Authors and funding
9 authors at 1 institution in 1 country.
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Abstract
Introduction: Chronic pain is one of the leading causes of disability that may accelerate biological aging and reduce physical function. Epigenetic clocks provide an estimate of how the system ages and can predict health outcomes such as physical function. Physical function declines may be attributed to decreases in muscle quality due to disuse that can be measured quickly and noninvasively using grip strength. The purpose of this study was to explore the associations among self-reported pain, grip strength, and epigenetic aging in those with chronic pain. Methods: Participants (57.91 ± 8.04 years) completed pain questionnaires, a blood draw and hand grip strength task. We used an epigenetic clock previously associated with knee pain (DNAmGrimAge), and used the subsequent difference of predicted epigenetic age from chronological age (DNAmGrimAge-Difference). Results: Exploratory pathway analyses revealed that pain intensity mediated the association between DNAmGrimAge-difference and handgrip strength in males only (β = -0.1115; CI [-0.2929, -0.0008]) and pain interference mediated the association between DNAmGrimAge-difference and handgrip strength in males β = -0.1401; CI [-0.3400, -0.0222]), and females (β = -0.024; CI [-0.2918, -0.0020]). Discussion: Chronic knee pain may accelerate epigenetic aging processes that may influence handgrip strength in older age adults. Chronic pain could be a symptom of the aging body thus contributing to declines in musculoskeletal function in later life.
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