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Biol Trace Elem Res. 2019 Feb 6. doi: 10.1007/s12011-019-1645-6. [Epub ahead of print]

Selenium Levels in Community Dwellers with Type 2 Diabetes Mellitus.

Author information

1
School of Nursing, Medical College, Soochow University, No.1 Shizi Street, Suzhou, 215006, China.
2
Research Center, Soochow Setek Biotechnology Co., Ltd, Suzhou, China.
3
School of Nursing, Medical College, Soochow University, No.1 Shizi Street, Suzhou, 215006, China. li-wang-1@suda.edu.cn.

Abstract

Selenium (Se) is an essential micronutrient required by the human body and exerts biological functions through selenoproteins. The relationship between Se and diabetes remains ambiguous. This study aimed at, through measurements of serum selenoprotein P (SelP), glutathione peroxidase (GPx3), and Se content in serum and hair, evaluating Se levels in community dwellers with type 2 diabetes mellitus (T2DM). A total of 336 subjects, including 176 T2DM patients (65.5 ± 8.7 years old) and 160 healthy residents (63.7 ± 9.8 years old, as controls), were recruited in this cross-sectional community-based study performed in Suzhou. Samples of fasting venous blood and hair were collected for measurements of Se levels, glycometabolism, and biochemistry parameters. We found that the serum Se level and SelP concentration in T2DM patients were substantially higher than those in healthy residents (p < 0.05). There was no significant difference in GPx3 activity and hair Se level between the two groups of subjects (p > 0.05). Serum Se was positively correlated with both GPx3 and hair Se in T2DM patients (r = 0.167 and 0.164, respectively, p < 0.05) and negatively correlated with SelP in healthy controls (r = - 0.293, p < 0.05). In conclusion, this study showed significantly higher levels of serum Se and SelP in community dwellers with T2DM than in matched healthy residents.

KEYWORDS:

Diabetes mellitus, type 2; Glutathione peroxidase; Selenium; Selenoprotein P

PMID:
30725267
DOI:
10.1007/s12011-019-1645-6

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