期刊
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
卷 107, 期 7, 页码 E3058-E3065出版社
ENDOCRINE SOC
DOI: 10.1210/clinem/dgac141
关键词
branched-chain amino acids; lysophosphatidylcholine; saturated fatty acid; interaction; gestational diabetes mellitus
资金
- National Natural Science Foundation of China [81870549, 81900724]
- National Key Research and Development Program of China [2021YFA1301200, 2021YFA1301202]
BCAAs in early pregnancy are positively associated with the risk of GDM, and high levels of leucine and isoleucine enhance the risk association of high SFA16:0 with GDM, independent of LPCs.
Objective We aimed to explore associations of branched-chain amino acids (BCAA) in early pregnancy with gestational diabetes mellitus (GDM), and whether high BCAAs and lipidomics markers had interactive effects on the risk of GDM. Methods We conducted a 1:1 case-control study (n = 486) nested in a prospective cohort of pregnant women in Tianjin, China. Blood samples were collected at their first antenatal care visit (median 10 gestational weeks). Serum BCAAs, saturated fatty acids (SFA) and lysophosphatidylcholines (LPC) were measured by liquid chromatography-tandem mass spectrometry analysis. Conditional logistic regression was performed to examine associations of BCAAs with the risk of GDM. Interactions between high BCAAs and high SFA16:0 for GDM were examined using additive interaction measures. Results High serum valine, leucine, isoleucine, and total BCAAs were associated with markedly increased risk of GDM (OR of top vs bottom tertiles: 1.91 [95% CI, 1.22-3.01]; 1.87 [1.20-2.91]; 2.23 [1.41-3.52]; 1.93 [1.23-3.02], respectively). The presence of high SFA16:0 defined as >= 17.1 nmol/mL (ie, median) markedly increased the ORs of high leucine alone and high isoleucine alone up to 4.56 (2.37-8.75) and 4.41 (2.30-8.43) for the risk of GDM, with significant additive interaction. After adjustment for LPCs, the ORs were greatly elevated (6.33, 2.25-17.80 and 6.53, 2.39-17.86) and the additive interactions became more significant. Conclusion BCAAs in early pregnancy were positively associated with the risk of GDM, and high levels of leucine and isoleucine enhanced the risk association of high SFA16:0 with GDM, independent of LPCs.
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