Researchers developed plasma protein-based aging clocks that measure musculoskeletal aging acceleration independently of chronological age, with MSKAgeMortAccel predicting mortality and musculoskeletal disease risk substantially better than existing models. Environmental factors, genetic variants, and zinc status emerged as modifiable determinants of musculoskeletal aging rate, enabling targeted risk stratification and intervention.
Key Points
- MSKAgeMortAccel predicts mortality and musculoskeletal disease better than chronological age
- Environmental pollutants, psychological factors, lifestyle directly influence musculoskeletal aging
- Zinc identified as candidate intervention target for slowing musculoskeletal aging
Longevity Analysis
Musculoskeletal function underlies mobility, independence, and survival across the lifespan. This research shifts assessment from static age-based predictions to dynamic protein markers that reflect actual biological aging of muscle and bone—decoding a signal often missed in standard clinical practice. The identification of environmental and genetic drivers means individuals with accelerated musculoskeletal aging profiles can be identified before disease manifests, allowing intervention on modifiable factors like environmental exposure, stress management, and specific nutrient status rather than waiting for irreversible structural damage. Zinc's emergence as a candidate intervention points to a biochemical node worth investigating, but the framework's power lies equally in its ability to measure whether lifestyle and environmental modifications actually slow the aging process in this critical system.
Original published by Wiley Aging Cell, by Yangdan Zhong, Maoyao Xia, Xunying Zhao, Yang Qu, Bowen Lei, Sirui Zhen, Tao Han, Rong Xiang, Jinyu Xiao, Xin Song, Xiaofeng Ma, Bin Yang, Di Zhang, Jinyu Zhou, Zilan Chen, Yuqi Pang, Ye Ju, Ting Liu, Zihao Li, Lu Long, Tao Zhang, Jiayuan Li, Mengyu Fan, Zuyun Liu, Xia Jiang .