Placental DNA methylation changes in gestational diabetes mellitus
| Autor: | Fujia Chen, Xiaoping Fei, Weiqiang Zhu, Zhaofeng Zhang, Yupei Shen, Yanyan Mao, Qianxi Zhu, Jianhua Xu, Weijin Zhou, Min Li, Jing Du |
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| Jazyk: | angličtina |
| Rok vydání: | 2022 |
| Předmět: | |
| Zdroj: | Epigenetics, Vol 17, Iss 13, Pp 2109-2121 (2022) |
| Druh dokumentu: | article |
| ISSN: | 1559-2294 1559-2308 15592294 |
| DOI: | 10.1080/15592294.2022.2110193 |
| Popis: | In this study, we investigated the association between altered methylation in the maternal placenta and hyperglycaemia and explored the epigenetic mechanisms underlying gestational diabetes mellitus (GDM). Reduced representation bisulphite sequencing (RRBS) and RNA sequencing (RNA-seq) were performed on placental tissues obtained from women with GDM and healthy controls. Further, pyrosequencing, correlation analyses, and linear regression analyses were performed to valuate relationships between aberrantly methylated-differentially expressed genes and clinical parameters. The EMBOSS and JASPAR databases were used for a computational analysis of CpG islands and transcription factor-binding sites in the TRIM67 promoter region. A CpG island with a length of 264 bp in the placental TRIM67 promoter region in the GDM group exhibited significant hypermethylation at four CpG sites. The hypermethylation of the TRIM67 promoter region in the maternal placenta showed a significant, positive correlation with the 1 h and 2 h oral glucose tolerance test (OGTT) values and a negative correlation with lipoprotein(a). Placental DNA methylation levels in the TRIM67 promoter region were markedly elevated in GDM and were associated with blood glucose and lipid levels during healthy pregnancy. |
| Databáze: | Directory of Open Access Journals |
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