Vitamin D: Correlation with biochemical and body composition changes in a southern Brazilian population and induction of cytotoxicity in mesenchymal stem cells derived from human adipose tissue

Biomedicine & Pharmacotherapy = Biomédecine & Pharmacothérapie
João Renato PesariniLúcia Regina Ribeiro

Abstract

Studies have shown that metabolic disorders, serum inflammatory markers and weight gain (obesity) are correlated with vitamin D deficiency. Therefore, the present study correlated the serum calcidiol (s25(OH)D3) levels in a sample of individuals from southern Brazil with variables related to metabolic disorders, obesity and lifestyle habits and assessed the cytotoxic effect of calcitriol on adipose tissue-derived mesenchymal stem cells (ADSCs). The results showed a 79.23% prevalence of hypovitaminosis D in the study population and a correlation (p<0.05) between a low serum vitamin D concentration and an elevated low-density lipoprotein cholesterol (LDL-c) level. Univariate linear regression analysis using 25(OH)D3as a regressor showed a negative association (p<0.05) with an indoor work environment (β=-2.305), increased body fat (β=-0.095), age (β=-0.065) and high-density lipoprotein cholesterol (HDL-c; β=-0.109). An in vitro 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay performed with ADSCs using five calcitriol concentrations (15.625, 31.25, 62.5, 125 and 250nM) indicated cytotoxic potential (p<0.05) at the 62.5nM concentration at 48 and 72h and at the 125 and 250nM concentrations at 24, 48 and 72h. ...Continue Reading

Citations

Jul 8, 2017·International Journal of Environmental Research and Public Health·Kok-Yong ChinSoelaiman Ima-Nirwanaa
Apr 8, 2020·International Journal of Molecular Sciences·Yi-Chou HouKuo-Cheng Lu

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