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Select aging biomarkers based on telomere length and chronological age to build a biological age equation.

Authors: Wei-Guang WG. Zhang, Shu-Ying SY. Zhu, Xiao-Juan XJ. Bai, De-Long DL. Zhao, Shi-Min SM. Jian, Juan J. Li, Zuo-Xiang ZX. Li, Bo B. Fu, Guang-Yan GY. Cai, Xue-Feng XF. Sun, Xiang-Mei XM. Chen
Published: 08/13/2014, Age (Dordrecht, Netherlands)

Abstract

The purpose of this study is to build a biological age (BA) equation combining telomere length with chronological age (CA) and associated aging biomarkers. In total, 139 healthy volunteers were recruited from a Chinese Han cohort in Beijing. A genetic index, renal function indices, cardiovascular function indices, brain function indices, and oxidative stress and inflammation indices (C-reactive protein [CRP]) were measured and analyzed. A BA equation was proposed based on selected parameters, with terminal telomere restriction fragment (TRF) and CA as the two principal components. The selected aging markers included mitral annulus peak E anterior wall (MVEA), intima-media thickness (IMT), cystatin C (CYSC), D-dimer (DD), and digital symbol test (DST). The BA equation was: BA = −2.281TRF + 26.321CYSC + 0.025DD − 104.419MVEA + 34.863IMT − 0.265DST + 0.305CA + 26.346. To conclude, telomere length and CA as double benchmarks may be a new method to build a BA.

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