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Decreased lipin 1[beta] expression in visceral adipose tissue is associated with insulin resistance in polycystic ovary syndromeMlinar, Barbara, 1974- ...Objective: In polycystic ovary syndrome (PCOS), insulin resistance (IR) appears with high prevalence and represents the major cause of cardiometabolic complications. Lipin 1ß regulates lipid ... metabolism and augments insulin sensitivity. The impact of lipin 1ß expression in visceral and subcutaneous adipose tissue of PCOS patients on IR was studied for the first time. Methods: Eighty-five PCOS patients and 44 controls were enrolled for subcutaneous tissue biopsy, of whom 25 patients and 30 controls also underwent visceral adipose tissue biopsy. Gene expression of lipin 1ß was measured, together with that of peroxisome proliferator-activated receptor {gamma}, lipoprotein lipase, hormone-sensitive lipase, adiponectin and glucosetransporter 4 in subcutaneous and visceral adipose tissue. Markers of obesity, IR and PCOS were also measured. Results: In PCOS patients, lipin 1ß expression in both adipose depots was lower than in controls: 0.76 (0.67-0.84)vs 1.16 (0.90-1.43) for visceral and 0.91 (0.73-1.10) vs 1.30 (1.03-1.57) for s.c. depot (both P<10-4). The difference remained significant after adjustment for body mass index (BMI) and also when comparing only lean patients with lean controls. In PCOS patients, visceral adipose lipin 1ß expression correlated negatively with homeostasis model assessment-IR (r=-0.474, P=0.017), BMI (r=-0.511, P=0.009) and waist circumference (r=-0.473, P=0.017), waist circumference remaining significant (P=0.027) in multiple regression. Subcutaneous lipin 1ß expression in PCOS correlated negatively with BMI, waist circumference and plasma triglycerides, and positively with high density lipoprotein-cholesterol. Subcutaneous, but not visceral lipin 1ß expression, correlated positively with the studied genes.Vir: European journal of endocrinology. - ISSN 0804-4643 (Vol. 159, no. 6, 2008, str. 833-839)Vrsta gradiva - članek, sestavni delLeto - 2008Jezik - angleškiCOBISS.SI-ID - 2476657
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Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Mlinar, Barbara, 1974- | 18996 |
Pfeifer, Marija | 05984 |
Vrtačnik-Bokal, Eda | 12177 |
Jensterle Sever, Mojca, 1979- | 32347 |
Marc, Janja | 12189 |
Vir: Osebne bibliografije
in: SICRIS
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