期刊
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM
卷 99, 期 1, 页码 330-337出版社
ENDOCRINE SOC
DOI: 10.1210/jc.2013-3241
关键词
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资金
- Medical Research Council
- British Heart Foundation
- Arthritis Research UK
- National Osteoporosis Society
- International Osteoporosis Foundation
- Cohen Trust
- National Institute for Health Research Southampton Biomedical Research Centre
- University of Southampton
- University Hospital Southampton National Health Service Foundation Trust
- National Institute for Health Research Musculoskeletal Biomedical Research Unit
- University of Oxford
- Dunhill Medical Trust
- European Union [289346]
- British Heart Foundation [RG/07/009/23120] Funding Source: researchfish
- Medical Research Council [U1475000002, MC_UU_12011/4, MC_UP_A620_1014, MC_U147585819, MC_UP_A620_1017, MC_UP_A620_1015, U1475000001, MC_UU_12011/2, MC_UU_12011/1] Funding Source: researchfish
- National Institute for Health Research [NF-SI-0508-10082, 10/33/04, NF-SI-0513-10085] Funding Source: researchfish
- Versus Arthritis [17702] Funding Source: researchfish
- MRC [MC_UP_A620_1017, MC_UU_12011/4, MC_UU_12011/2, MC_UP_A620_1015, MC_U147585819] Funding Source: UKRI
Context: Maternal 25-hydroxyvitamin D [25(OH) D] status in pregnancy has been associated with offspring bone development and adiposity. Vitamin D has also been implicated in postnatal muscle function, but little is known about a role for antenatal 25(OH) D exposure in programming muscle development. Objective: We investigated the associations between maternal plasma 25(OH) D status at 34 weeks of gestation and offspring lean mass and muscle strength at 4 years of age. Design and Setting: We studied a prospective UK population-based mother-offspring cohort: the Southampton Women's Survey (SWS). Participants: Initially, 12 583 nonpregnant women were recruited into the SWS, of whom 3159 had singleton pregnancies; 678 mother-child pairs were included in this analysis. Main Outcomes Measured: At 4 years of age, offspring assessments included hand grip strength and whole-body dual-energy x-ray absorptiometry, yielding lean mass and percent lean mass. Physical activity was assessed by 7-day accelerometry in a subset of children (n = 326). Results: The maternal serum 25(OH) D concentration in pregnancy was positively associated with offspring height-adjusted hand grip strength (beta = 0.10 SD/SD, P = .013), which persisted after adjustment for maternal confounding factors, duration of breastfeeding, and child's physical activity at 4 years (beta = 0.13 SD/SD, P = .014). Maternal 25(OH) D was also positively associated with offspring percent lean mass (beta = 0.11 SD/SD, P = .006), but not total lean mass (beta = 0.06 SD/SD, P = .15). However, this association did not persist after adjustment for confounding factors (beta = 0.09 SD/SD, P = .11). Conclusions: This observational study suggests that intrauterine exposure to 25(OH) D during late pregnancy might influence offspring muscle development through an effect primarily on muscle strength rather than on muscle mass.
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