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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 universitet, Medicinska och farmaceutiska vetenskapsområdet, Medicinska fakulteten, Institutionen för medicinska vetenskaper, Endokrin diabetes och metabolism.
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2013 (engelsk)Inngår i: Diabetes, obesity and metabolism, ISSN 1462-8902, E-ISSN 1463-1326, Vol. 15, nr 11, s. 1056-1560Artikkel i tidsskrift (Fagfellevurdert) 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.

sted, utgiver, år, opplag, sider
2013. Vol. 15, nr 11, s. 1056-1560
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URN: urn:nbn:se:uu:diva-211225DOI: 10.1111/dom.12137ISI: 000329198100012PubMedID: 23701286OAI: oai:DiVA.org:uu-211225DiVA, id: diva2:666178
Tilgjengelig fra: 2013-11-22 Laget: 2013-11-21 Sist oppdatert: 2017-12-06bibliografisk kontrollert

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