Journal
JOURNAL OF CLINICAL MEDICINE
Volume 10, Issue 11, Pages -Publisher
MDPI
DOI: 10.3390/jcm10112464
Keywords
human nonmercaptalbumin; reduced albumin; oxidative stress; locomotive syndrome
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In the non-elderly population, there were no significant differences in LS, grip strength, and walking speed between the low and normal groups; however, significant differences were found in the elderly population. Logistic regression analysis showed an association between f(HMA) and LS severity in older individuals. LS in the elderly is linked to a decline in HMA and increased oxidative stress, making f(HMA) a new biomarker for LS.
The ratio of human nonmercaptalbumin (HNA) and reduced albumin (HMA) may be a new marker for oxidative stress. Locomotive syndrome (LS) is reduced mobility due to impairment of locomotive organs. We investigated whether the HNA/HMA ratio could be a new biomarker of LS. This study included 306 subjects (mean age 64.24 +/- 10.4 years) who underwent LS tests, grip strength, walking speed, and tests for HNA and HMA. Oxidative stress was measured by the ratio of HMA (f(HMA) = (HMA/(HMA + HNA) x 100)), and the subjects were divided into normal (N group; f[HMA] >= 70%) and low (L group; f[HMA] < 70%) groups. There were 124 non-elderly (<65 years) and 182 elderly subjects (>= 65 years). There were no significant differences in LS, grip strength, and walking speed between the L and N groups in the non-elderly subjects. However, significant differences were found in the elderly subjects. In logistic regression analysis, there was an association between f(HMA) and the LS severity at older ages. LS in the elderly is associated with a decline in HMA and, thus, an increase in oxidative stress. Thus, f(HMA) is a new biomarker of LS.
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