Pubmed- Elafin inhibits obesity, hyperglycemia, and liver steatosis in high-fat diet-treated male mice. - IBD Reporter Newsfeed - IBD Support Group Forums - IBDsupport.org

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Pubmed- Elafin inhibits obesity, hyperglycemia, and liver steatosis in high-fat diet-treated male mice.


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Posted 08 January 2021 - 01:36 AM

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Elafin inhibits obesity, hyperglycemia, and liver steatosis in high-fat diet-treated male mice.

Sci Rep. 2020 07 30;10(1):12785

Authors: Wang J, Ortiz C, Fontenot L, Mukhopadhyay R, Xie Y, Law IKM, Shih DQ, Mattai SA, Li Z, Koon HW

Abstract
Elafin is an antimicrobial and anti-inflammatory protein. We hypothesize that elafin expression correlates with diabetes. Among non-diabetic and prediabetic groups, men have significantly higher serum elafin levels than women. Men with type 2 diabetes mellitus (T2DM) have significantly lower serum elafin levels than men without T2DM. Serum elafin levels are inversely correlated with fasting blood glucose and hemoglobin A1c levels in men with T2DM, but not women with T2DM. Lentiviral elafin overexpression inhibited obesity, hyperglycemia, and liver steatosis in high-fat diet (HFD)-treated male mice. Elafin-overexpressing HFD-treated male mice had increased serum leptin levels, and serum exosomal miR181b-5p and miR219-5p expression. Transplantation of splenocytes and serum exosomes from elafin-overexpressing HFD-treated donor mice reduced food consumption and fat mass, and increased adipose tissue leptin mRNA expression in HFD-treated recipient mice. Elafin improved leptin sensitivity via reduced interferon-gamma expression and induced adipose leptin expression via increased miR181b-5p and miR219-5p expression. Subcutaneous and oral administration of modified elafin inhibited obesity, hyperglycemia, and liver steatosis in the HFD-treated mice. Circulating elafin levels are associated with hyperglycemia in men with T2DM. Elafin, via immune-derived miRNAs and cytokine, activates leptin sensitivity and expression that subsequently inhibit food consumption, obesity, hyperglycemia, and liver steatosis in HFD-treated male mice.

PMID: 32733043 [PubMed - indexed for MEDLINE]



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