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Birth weight, adulthood BMI, and subsequent weight gain in relation to leptin levels in Swedish women

Artikel i vetenskaplig tidskrift
Författare Lauren Lissner
C Karlsson
Anna-Karin Lindroos
Lars Sjöström
Björn Carlsson
Lena M S Carlsson
Calle Bengtsson
Publicerad i Obesity Research
Volym 7
Sidor 150-154
Publiceringsår 1999
Publicerad vid Institutionen för samhällsmedicin, Avdelningen för allmänmedicin
Institutionen för invärtesmedicin
Institutionen för invärtesmedicin, Avdelningen för kroppssammansättning och metabolism
Sidor 150-154
Språk en
Ämneskategorier Folkhälsomedicinska forskningsområden

Sammanfattning

Department of Internal Medicine, Göteborg University, Sweden. Lauren.Lissner@medfak.gu.se OBJECTIVE: Leptin seems to be involved in the regulation of energy balance, although little is known about the epidemiology of leptin with respect to prediction of weight gain and incidence of obesity-related diseases. The dual aim of this study is to document characteristics of leptin after long-term storage, and to describe its relation to body weight, from birth to old age, in an ongoing prospective study. RESEARCH METHODS AND PROCEDURES: A population-based sample of Swedish women was first examined at the ages of 38 to 60 and re-examined 24 years later. This study used 1358 frozen serum samples that had been stored 29 years for analysis of leptin concentrations and their relation to body weight history. RESULTS: Leptin values obtained from stored samples showed the same correlation with relative weight as that seen in a contemporary sample with similar demographic characteristics. Lower self-reported birth weight was associated with higher leptin levels in adulthood (p = 0.01), controlling for age and adult BMI. Prospective analyses revealed that high leptin in 38 to 46-year-olds predicted subsequent long-term weight gain (p = 0.003), although no significant associations were seen in women initially aged 50 or older. DISCUSSION: It is feasible to use frozen serum for studying leptin in relation to obesity and related developments many years later. High leptin level was a risk factor for subsequent weight gain in 38- and 46-year-old women. Retrospective analyses involving birth weight suggest that leptin resistance in adulthood might have fetal origins. PMID: 10102251 [PubMed - indexed for MEDLINE]

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