HEALTH NEWS

Study Title:

Effect of Chromium Supplementation on Element Distribution in a Mouse Model of Polycystic Ovary Synd

Study Abstract

Polycystic ovary syndrome (PCOS) is a complex endocrine disorder and one of the most common causes of anovulatory infertility. In addition, insulin resistance is commonly associated with PCOS and contributed to pathophysiology connected to dietary minerals including chromium (Cr), copper (Cu), iron (Fe), and zinc (Zn). The aims of this study were to explore whether PCOS in mice alters levels of these elements and determine if Cr supplementation resolves changes. Twenty-four female BALB/c mice were divided into three groups of eight mice [normal control (NC), PCOS + placebo milk (PP), and PCOS + Cr-containing milk (PCr)]. Each group received a high-fat diet for 4 weeks. Our results show significantly higher levels of dehydroepiandrosterone (DHEA) (p < 0.001), fasting glucose (p < 0.05), and fasting insulin (p < 0.05) in the PP group compared with both NC and PCr group. However, Cr levels were significantly lower in muscle, bone, and serum in the PP group (p < 0.05) compared with NC and PCr groups. In liver, bone, and serum, Fe levels were significantly higher in the PP group compared with the NC group (p < 0.05). In addition, we found significant correlations between Cu/Zn ratio and fasting insulin in all mice (r = 0.61; p = 0.002). Given that significant research shows that Cr supplementation improves fasting glucose, fasting insulin, and metal metabolism disorders for PCOS mice, our data suggest that trace element levels can serve as biomarkers to prescribe therapeutic supplementation to maintain a healthy metabolic balance and treat disease conditions.

Study Information


Effect of Chromium Supplementation on Element Distribution in a Mouse Model of Polycystic Ovary Syndrome
Biol Trace Elem Res.
2015 June

Full Study

http://www.ncbi.nlm.nih.gov/pubmed/26041153
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