Interactions among maternal smoking, breastfeeding, and offspring genetic factors on the risk of adult-onset hypertension

作者：Jingjia Liang, Zuqiang Fu, Qian Liu, Yuehong Shen, Xin Zhang, Zhenkun Weng, Jin Xu, Wenxiang Li, Cheng Xu, Yong Zhou, Aihua Gu · 发表于：BMC Medicine · 年份：2022 · DOI：10.1186/s12916-022-02648-y · 被引用次数：18 · 研究领域：Birth, Development, and Health、Sodium Intake and Health、Gestational Diabetes Research and Management

BACKGROUND: Previous studies have reported that maternal smoking during pregnancy and breastfeeding may affect the occurrence of hypertension, but whether early life factors modify the impact of the offspring's genetic risk on hypertension is still unknown. The aim of this study was to investigate the relationships among maternal smoking and breastfeeding with adult-onset hypertension and the modified impact of offspring genetic susceptibility. METHODS: This study included 437,185 participants from the UK Biobank who were initially free of hypertension and provided a prospective cohort of individuals aged 40 to 69 years. The association of maternal smoking during pregnancy and breastfeeding with hypertension was examined by using the Cox regression model. Then, a polygenic risk score (PRS) for hypertension was used to test the gene-environmental interaction on hypertension. RESULTS: During a median follow-up period of 8.7 years, a total of 68,148 cases of hypertension were identified in this study. The hazard ratios (HRs) and 95% confidence intervals (CIs) of hypertension for maternal smoking and breastfeeding were 1.11 (1.09, 1.13) and 0.96 (0.94, 0.98), respectively. However, no evidence of an interaction between maternal smoking and breastfeeding was observed. Across all levels of genetic risk, including high genetic risk, maternal smoking and nonbreastfeeding had higher hypertension hazards than nonmaternal smoking and breastfeeding, respectively. The adjusted HRs (95% CI...