The relationship between plasma levels of leptin and androgen in healthy and preeclamptic pregnant women

Authors: Atamer, Yildiz1; Erden, Ali Ceylan2; Demir, Bulent2; KoÇyigit, Yuksel3; Atamer, AytaÇ4

Source: Acta Obstetricia et Gynecologica Scandinavica, Volume 83, Number 5, May 2004 , pp. 425-430(6)

Publisher: Informa Healthcare

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Abstract:

Background. 

To clarify the role of leptin and androgens in the pathogenesis of preeclampsia, we wanted to assess role of maternal leptin in women with severe and mild preeclampsia and the effects of sex steroid hormones on leptin production. Methods. 

The groups consisted of 40 healthy pregnant women (HPW) as well as 55 pregnant women with severe preeclampsia (SPE) and 41 pregnant women with mild preeclampsia (MPE). No significant differences were observed between the three groups regarding age, gestational age and body mass index (BMI). Plasma leptin, total testosterone (T), estradiol (E2), dehydroepiandrosterone sulfate (DHEAS) and androstenedione (A) levels were measured. Statistical analysis was achieved with one-way analysis of variance (anova) followed by post hoc multiple comparisons with the Tukey honestly significant difference (HSD) test by using SPSS for Windows statistical computer program, and the Pearson's coefficient of correlation was calculated. Results. 

The plasma level of leptin was significantly increased in the SPE and MPE groups (p < 0.001), whereas the plasma level of T was significantly increased only in the SPE group (p < 0.001). However, there was no significant difference in plasma levels of DHEAS among the three groups (p < 0.05). The plasma level of A was significantly decreased in the MPE group (p < 0.05). There was no significant difference in the plasma level of E2 in the MPE and SPE groups (p < 0.05). There was a significant positive correlation between the plasma levels of leptin and E2 in the MPE group (r = 0.41, p < 0.001). Conclusion. 

We concluded that the elevated plasma levels of leptin and testosterone could contribute to the endothelial dysfunction involved in the pathogenesis of preeclampsia, and that estradiol might lead to an increase in the plasma levels of leptin.

Keywords: androgens; leptin; preeclampsia; pregnancy

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.0001-6349.2004.00276.x

Affiliations: 1: Biochemistry, 2: Obstetrics and Gynecology, 3: Physiology and 4: Internal Medicine, School of Medicine, Dicle University, Diyarbakir, Turkey

Publication date: May 1, 2004

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