ArticleRevista da Associacao Medica Brasileira (1992)2024
The association of ghrelin rs26311 and rs27647 polymorphisms and mRNA expression with preeclampsia susceptibility and severity-A case-control study.
Article in Revista da Associacao Medica Brasileira (1992), 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveGhrelin is an adipokine the placenta generates to control the maternal metabolic adaptation to pregnancy. It causes different pregnancy complications like preeclampsia (PE). Therefore, the aim of this study was to assess the association between ghrelin mRNA expression and rs26311 and rs27647 polymorphisms and PE development.
methodsIn total, 156 PE women (including 97 patients with mild PE and 59 patients with severe PE) and 152 healthy controls were recruited in this case-control study during 2019-2020. All participants with other diseases have been excluded from both groups. The ghrelin expression was analyzed with real-time PCR, and ghrelin variants were examined using the RFLP-PCR method.
resultsThe maternal and placental ghrelin rs27647 and rs26311 variants were unrelated to PE susceptibility. Haplotype analyses showed no significant difference between the four haplotypes and PE. No relationship was revealed between rs27647 polymorphism and severe PE. However, the results indicated a relationship between rs27647 and severe PE compared to mild PE and controls. Therefore, the rs27647 variant was associated with severe PE compared to mild PE in codominant, recessive, and log-additive models and controls in codominant, dominant, recessive, and log-additive models. The placental ghrelin mRNA expression declined in PE women compared to controls (0.67-fold), but the difference was insignificant (p=0.263). No significant difference was found between various genotypes of rs27647 and rs26311 polymorphisms concerning ghrelin mRNA expression.
conclusionThe maternal and placental ghrelin polymorphisms, rs27647 and rs26311, showed no effect on PE. However, the rs27647 variant was associated with severe PE.
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