期刊
AMERICAN JOURNAL OF CLINICAL NUTRITION
卷 105, 期 1, 页码 221-227出版社
AMER SOC NUTRITION-ASN
DOI: 10.3945/ajcn.116.138792
关键词
Chinese famine; prenatal; transgenerational; hyperglycemia; type 2 diabetes; undernutrition
资金
- National Natural Science Foundation of China [81673156, 81130049, 81302417]
- Program for New Century Excellent Talents in University of Ministry of Education of China [NCET-10-0148]
- Specialized Research Fund for the Doctoral Program of Higher Education [20132307120016]
- Heilongjiang Natural Science Foundation [QC2015097]
- University Nursing Program for Young Scholars with Creative Talents in Heilongjiang Province [UNPYSCT-2015033]
- China Postdoctoral Science Foundation [2014M551279, 2015M570302, 2015T90315]
- Heilongjiang Postdoctoral Science Foundation [LBH-Z14132]
Background: There has been increased recognition that prenatal or perinatal nutrition has an effect on the development of type 2 diabetes (T2D) in adulthood, although studies that have directly examined whether the effect could be transmitted to the next generation remain sparse. Objective: We investigated the role of prenatal exposure to the Chinese famine in affecting future T2D risk in adulthood in 2 consecutive generations. Design: A total of 1034 families, including 2068 parents [parental generation (F1)] and 1183 offspring [offspring generation (F2)], were recruited from the Suihua rural area that was affected by the Chinese Famine of 1959-1961. Participants born between 1 October 1959 and 30 September 1961 were defined as famine exposed, and those born between 1 October 1962 and 30 September 1964 were defined as nonexposed. The F2 were classified as having 1) no parent exposed to famine, 2) only a mother exposed to famine, 3) only a father exposed to famine, or 4) both parents exposed to famine. Classical risk factors for T2D as well as fasting-glucose- and oral-glucose tolerance tests were measured in both the Fl and F2. Results: Prenatal exposure to famine was associated with elevated risks of hyperglycemia (multivariable-adjusted OR: 1.93; 95% CI: 1.51, 2.48) and T2D (OR: 1.75; 95% CI: 1.20, 2.54) in adulthood in Fl. Furthermore, compared with the offspring of nonexposed parents, the F2 with exposed parents- especially both exposed parents-had increased hyperglycemia risk (OR: 2.02; 95% CI: 1.12, 3.66) in adulthood. Conclusion: Prenatal exposure to famine remarkably increases hyperglycemia risk in 2 consecutive generations of Chinese adults independent of known T2D risk factors, which supports the notion that prenatal nutrition plays an important role in the development of T2D across consecutive generations of Chinese adults.
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