Please use this identifier to cite or link to this item: http://repository.uinjkt.ac.id/dspace/handle/123456789/44767
Title: The circadian rhythm-related MTNR1B genotype, gestational weight gain, and postpartum glycemic changes
Authors: Hoirun Nisa
Keywords: Gestational diabetes mellitus, gestational weight gain, postpartum glycemic changes, MTNR1B genotype
Issue Date: Jun-2018
Publisher: The Journal of clinical endocrinology & metabolism
Abstract: Context: Disturbed circadian rhythms and sleep quality during pregnancy have been related to gestational weight gain and gestational diabetes mellitus (GDM), which affect postpartum glucose metabolism and future risk of type 2 diabetes. Objective: We assessed whether the circadian rhythm–related melatonin receptor 1B (MTNR1B) genotype was associated with 1 to 5 years of postpartum glycemic changes among women with a history of GDM and whether gestational weight gain modified such associations. Design, Settings, and Participants: The established circadian rhythm-associated MTNR1B genetic variant (rs10830963) was genotyped in 1025 Chinese women with a history of GDM. Body weight and glycemic traits, during and after pregnancy, were longitudinally collected. Main Outcome Measures: The main outcome measure was postpartum glycemic changes. Results: We found that women carrying different MTNR1B genotypes showed distinct postpartum changes in 2-hour oral glucose tolerance test: 0.36, 0.20, and 20.19 mM per additional copy of the shorter sleep duration-related G allele in women with inadequate, adequate, and excessive gestational weight gain, respectively (for interaction, P = 0.028). The corresponding changes in fasting glucose were 0.14, 0.13, and 0.01 mM, although the modification effect of gestational weight gain on the genetic association was marginally significant (for interaction, P = 0.067). Conclusions: Our findings suggest that gestational weight gainmaymodify the circadian rhythm–related MTNR1B genetic variant on long-term glycemic changes, highlighting the significance of gestational weight management in diabetes prevention among women with GDM.
metadata.dc.description.uri: https://academic.oup.com/jcem/article-abstract/103/6/2284/4951504?redirectedFrom=fulltext
URI: http://repository.uinjkt.ac.id/dspace/handle/123456789/44767
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