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Clinical and Experimental Obstetrics & Gynecology  2017, Vol. 44 Issue (3): 364-369    DOI: 10.12891/ceog3490.2017
Original Research Previous articles | Next articles
Ghrelin to obestatin ratio in maternal serum in pregnancies complicated by intrauterine growth restriction
H.F. Xue1, W.G. Wu1, *(), H.L. Yan1, Y. She2, H.Y. Ge2
1 Department of Obstetrics and Gynecology, Affiliated Hospital, Logistical College of Chinese People's Armed Police Forces, Tianjin, China
2 Maternity and Child Health Institute of Beichen Distract, Tianjin, China
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Abstract  Ghrelin, an endogenous for the growth hormone secretagogue receptor, has been shown to participate in fetal growth. Obestatin, encoded by the same gene as ghrelin, is described as a physiological opponent of ghrelin. This study was designed to determine the changes of ghrelin/obestatin ratio in maternal serum in pregnancies with intrauterine growth restriction (IUGR). The authors found that the ghrelin levels in maternal serum were significent lower in IUGR group than in control group (236.34 ± 14.58 pg/ml vs. 321.49 ± 18.19 pg/ml, p = 0.003). However, the difference of obestatin levels in maternal serum in IUGR group than in control group was not significent (276.25 ± 20.54 pg/ml vs. 256.34 ± 21.21 pg/ml, p = 0.308). The ratio of ghrelin to obestatin in maternal serum were significent lower in IUGR group than in control group (1.05 ± 0.09 vs. 0.82 ± 0.08, p = 0.03). Meanwhile, the maternal serum growth hormone (GH) concentration in IUGR group was lower than that in control group (1.08 ± 0.08 pg/ml vs. 1.41 ± 0.09 pg/ml, p = 0.009), and the maternal serum placental growth hormone (PGH) concentration in IUGR group was lower than that in control group (2.21 ± 1.24 pg/ml vs. 2.92 ± 0.27 pg/ml, p = 0.031). The ratio of ghrelin to obestatin in maternal serum were positively correlation with GH and PGH concentrations in IUGR group (r = 0.876, p = 0.52; r = 0.764, p = 0.64). The findings of this study suggest that the ratio of ghrelin to obestatin in maternal serum were low, and were positively correlated with GH and PGH concentration in IUGR group, which can been considered as evidencees of ghrelin/obestatin balance disorder role in pathogenesis of IUGR.
Key words:  Ghrelin      Obestatin      Pregnancy complications      Intrauterine growth restriction     
Published:  10 June 2017     
*Corresponding Author(s):  W.G. WU     E-mail:  weiguangwu02@163.com

Cite this article: 

H.F. Xue, W.G. Wu, H.L. Yan, Y. She, H.Y. Ge. Ghrelin to obestatin ratio in maternal serum in pregnancies complicated by intrauterine growth restriction. Clinical and Experimental Obstetrics & Gynecology, 2017, 44(3): 364-369.

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https://ceog.imrpress.com/EN/10.12891/ceog3490.2017     OR     https://ceog.imrpress.com/EN/Y2017/V44/I3/364

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