Association of Serum Omentin-1 Concentration with the Content of Adipose Tissue and Glucose Tolerance in Subjects with Central Obesity
2023
Marcelina Sperling | Teresa Grzelak | Marta Pelczyńska | Paweł Bogdański | Dorota Formanowicz | Krystyna Czyżewska
Omentin is one of the few adipokines with potentially beneficial metabolic effects. The main aim of this study was to determine the association between serum omentin-1 levels and the occurrence of central obesity and abnormal glucose tolerance, taking into account gender. The study involved 88 participants aged 30–60, including 47 women and 41 men. Two subgroups among the obese subjects were distinguished—those with normal and abnormal glucose tolerance. Anthropometric and biochemical examinations and blood pressure measurements were performed. Omentin-1 concentrations were significantly lower among patients with obesity compared to those without obesity (<i>p</i> = 0.027) and, similarly, comparing men with abnormal glucose tolerance with men with normal glucose tolerance (<i>p</i> = 0.035). In contrast, no such pattern was observed in women. The multivariable regression model showed a significant effect of gender status and important factors of tissue insulin sensitivity, such as OGGT results, WHR and amount of body fat, on the variability of serum omentin-1 concentration in the entire study population (R<sup>2</sup>adj. = 13.7%; <i>p</i> = 0.003). High omentin-1 levels found in men with obesity and normal glucose tolerance suggest that omentin-1 protects against metabolic disorders associated with obesity in the male population.
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