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Publication Type
Journal Article
Author, Analytic
McFarlane Anderson, Norma; Bennett, Franklyn I.; Wilks, Rainford J.; Howell, Sharon; Newsome, Cavelle; Cruickshank, J. Kennedy; Forrester, Terrence E.
Author Affiliation, Ana.
Tropical Metabolism Research Unit
Article Title
The Trp64 A rg mutation of the B3- Adrenergic Receptor is associated with hyperglycemia and current body mass index in Jamaican women.
Medium Designator
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Connective Phrase
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Journal Title
Metabolism
Translated Title
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Reprint Status
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Date of Publication
1998
Volume ID
47
Issue ID
5
Page(s)
617-21
Language
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Connective Phrase
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Location/URL
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ISSN
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Notes
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Abstract
The Trp64Arg mutation of the B3-adrenergic receptor (B3-AR) has been linked to earlier onset of non-insulin-dependent diabetes mellitus (NIDDM), insulin resistance, abdominal obesity, and an increase capacity to gain weight in some European and Japanese populations. Studies the prevalence of the mutation and its association with NIDDM and obesity in Jamaica, in which both rates are high, especially in women. The frequency of the homozygous mutation was 1.53 percent, and of the Arg allele, 10.5 percent. Rates were similar in men and women. Significantly higher body mass index (BMI), weight, hip circumference, and fasting and postchallenge 2 hour blood glucose concentrations were associated with the presence of the Arg allele in women but not in men. The association with weight and hip measurements and with hyperglycemia was present only in women aged less than 55 years. In multivariate analysis, the mutation was associated with the BMI and sex in a model that also included age. The variation in fasting and 2 hour blood glucose levels were predicted by B3-AR, gender, age and BMI. These results suggest that the presence of the mutation contributes to obesity and hyperglycemia in the female population.....
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