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- Title
The Relation Between Adult Weight Gain, Adipocyte Volume, and the Metabolic Profile at Middle Age.
- Authors
Verkouter, Inge; Noordam, Raymond; Loh, Nellie Y.; van Dijk, Ko Willems; Zock, Peter L.; Mook-Kanamori, Dennis O.; le Cessie, Saskia; Rosendaa, Frits R.; Karpe, Fredrik; Christodoulides, Costantinos; de Mutsert, Renée; Rosendaal, Frits R
- Abstract
<bold>Context: </bold>Weight gain during adulthood increases cardiometabolic disease risk, possibly through adipocyte hypertrophy.<bold>Objective: </bold>We aimed to study the specific metabolomic profile of adult weight gain, and to examine its association with adipocyte volume.<bold>Methods: </bold>Nuclear magnetic resonance-based metabolomics were measured in the Netherlands Epidemiology of Obesity (NEO) study (n = 6347, discovery) and Oxford Biobank (n = 6317, replication). Adult weight gain was calculated as the absolute difference between body mass index (BMI) at middle age and recalled BMI at age 20 years. We performed linear regression analyses with both exposures BMI at age 20 years and weight gain, and separately with BMI at middle age in relation to 149 serum metabolomic measures, adjusted for age, sex, and multiple testing. Additionally, subcutaneous abdominal adipocyte biopsies were collected in a subset of the Oxford Biobank (n = 114) to estimate adipocyte volume.<bold>Results: </bold>Mean (SD) weight gain was 4.5 (3.7) kg/m2 in the NEO study and 3.6 (3.7) kg/m2 in the Oxford Biobank. Weight gain, and not BMI at age 20 nor middle age, was associated with concentrations of 7 metabolomic measures after successful replication, which included polyunsaturated fatty acids, small to medium low-density lipoproteins, and total intermediate-density lipoprotein. One SD weight gain was associated with 386 μm3 (95% CI, 143-629) higher median adipocyte volume. Adipocyte volume was associated with lipoprotein particles specific for adult weight gain.<bold>Conclusion: </bold>Adult weight gain is associated with specific metabolomic alterations of which the higher lipoprotein concentrations were likely contributed by larger adipocyte volumes, presumably linking weight gain to cardiometabolic disease.
- Subjects
NETHERLANDS; WEIGHT gain; FAT cells; METABOLOMICS; BIOCHEMISTRY; OBESITY; LIPOPROTEINS; RESEARCH; BIOPSY; ABDOMINAL adipose tissue; RESEARCH methodology; METABOLISM; MEDICAL cooperation; EVALUATION research; COMPARATIVE studies; RESEARCH funding; BODY mass index; LONGITUDINAL method
- Publication
Journal of Clinical Endocrinology & Metabolism, 2021, Vol 106, Issue 11, pe4438
- ISSN
0021-972X
- Publication type
journal article
- DOI
10.1210/clinem/dgab477