The International Journal of Romanian Society of Endocrinology / Registered in 1938

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July - September 2013, Volume 9, Issue 3
General Endocrinology

Farhangi MA, Saboor-Yaraghi A.A., Eshraghian M, Ostadrahimi A, Keshavarz SA

Serum Transforming Growth Factor ß (TGF-ß) is Asociated with Body Mas Index in Healthy Women

Acta Endo (Buc) 2013, 9 (3): 361-368
doi: 10.4183/aeb.2013.361

Background. Elevated serum transforming growth factor-β (TGF-β) is associated with diabetes, cancers and several other diseases in numerous studies. However, there are a few studies reporting the possible relationship between serum TGF-β and obesity indices in apparently healthy individuals. In the present study we examined the possible relationship between body mass index (BMI), fasting serum glucose, lipid profile and liver enzymes in healthy women. Materials and methods. A total of 84 women (BMI 30.12 ± 5.74 kg/m2) were investigated. Anthropometric variables (weight, height, waist circumference and hip circumference) were measured in participants and BMI and waist to hip ratio (WHR) were calculated. Serum concentrations of TGF-β, fasting serum glucose (FSG), serum lipids and liver enzymes were assayed by commercial Enzyme-linked immunosorbent assay (ELISA) kits. Results. Among anthropometric variables, BMI and WC were potent positive predictors of serum TGF-β in stepwise multiple linear regression model (P<0.05). Serum ALT concentration was also positively correlated with serum TGF-β after adjustment for age and other biochemical variables (P = 0.031). In simple correlation analysis, serum TGF-β was positively associated with fat mass and negatively with fat free mass (P < 0.05). Conclusions. Our study confirms that serum TGF-β concentration is associated with indices of both general (BMI) and central obesity (WC), fat mass and liver enzyme in healthy Iranian women. Further studies are needed to possibly confirm these findings and to explore underlying mechanisms.

Keywords: Transforming growth factor-ß, fat mass, BMI, obesity.

Correspondence: Seyyed-Ali Keshavarz Ph.D., Tehran University of Medical Sciences, Tehran, 144785632, Islamic Republic of Iran, E-mail: