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Differences between men and women in the regulation of adipose 11β-HSD1 and in its association with adiposity and insulin resistance
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Endocrinology, Diabetes and Metabolism.
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2013 (English)In: Diabetes, obesity and metabolism, ISSN 1462-8902, E-ISSN 1463-1326, Vol. 15, no 11, 1056-1560 p.Article in journal (Refereed) Published
Abstract [en]

This study explored sex differences in 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) activity and gene expression in isolated adipocytes and adipose tissue (AT), obtained via subcutaneous biopsies from non-diabetic subjects [58 M, 64 F; age 48.3 ± 15.3 years, body mass index (BMI) 27.2 ± 3.9 kg/m2]. Relationships with adiposity and insulin resistance (IR) were addressed. Males exhibited higher 11β-HSD1 activity in adipocytes than females, but there was no such difference for AT. In both men and women, adipocyte 11β-HSD1 activity correlated positively with BMI, waist circumference, % body fat, adipocyte size and with serum glucose, triglycerides and low-density lipoprotein:high-density lipoprotein (LDL:HDL) ratio. Positive correlations with insulin, HOMA-IR and haemoglobin A1c (HbA1c) and a negative correlation with HDL-cholesterol were significant only in males. Conversely, 11β-HSD1 activity in AT correlated with several markers of IR and adiposity in females but not in males, but the opposite pattern was found with respect to 11β-HSD1 mRNA expression. This study suggests that there are sex differences in 11β-HSD1 regulation and in its associations with markers of obesity and IR.

Place, publisher, year, edition, pages
2013. Vol. 15, no 11, 1056-1560 p.
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Medical and Health Sciences
URN: urn:nbn:se:uu:diva-211225DOI: 10.1111/dom.12137ISI: 000329198100012PubMedID: 23701286OAI: oai:DiVA.org:uu-211225DiVA: diva2:666178
Available from: 2013-11-22 Created: 2013-11-21 Last updated: 2014-01-27Bibliographically approved

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Pereira, Maria JEriksson, Jan W
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