Glucose and lipid metabolism, bone density, and body composition in individuals with Williams syndrome.

Abstract:

OBJECTIVE:We assessed body composition, bone mineral density (BMD), glucose and lipids in Williams syndrome (WS), a rare microdeletion disorder. DESIGN:Individuals with WS had outpatient assessment at Massachusetts General Hospital. Controls were selected from the National Health and Nutrition Examination Survey (NHANES 2005-2006). PATIENTS:A total of 22 individuals with WS, each matched by age, sex and race to four NHANES controls. MEASUREMENTS:Blood sampling, oral glucose tolerance test, dual-energy X-ray absorptiometry scan. RESULTS:WS and control groups were 59% female and 29 ± 8 years old. Compared to controls, individuals with WS were shorter but had similar body weight, with more fat and less lean mass. Per cent body fat was higher in WS even after adjusting for BMI (+2.1% [95% CI 0.4, 3.9%]). Four WS patients had abnormal lower extremity fat accumulation resembling lipedema. HbA1c (+0.5% [0.2, 0.7]) and 2-hour glucose (+68 mg/dL [44, 93]) were higher in WS vs controls, differences which persisted after adjusting for BMI. Fasting glucose was comparable between groups. LDL (-18 mg/dL [-35, -2]) and triglycerides (-45 mg/dL [-87, -2]) were significantly lower in WS. Whole-body BMD was significantly lower (-0.15 g/cm2 [-0.20, -0.11]) in WS, and this remained true controlling for height (-0.06 g/cm2 [-0.11, -0.02]). Vitamin D was <30 ng/mL in 81% of those with WS. CONCLUSIONS:On average, adults with WS have increased fat, decreased lean mass, impaired glucose homeostasis and reduced BMD. Clinical efforts to build muscle and bone mass, and to ensure vitamin D sufficiency, are warranted. Genotype-phenotype research efforts are also warranted.

journal_name

Clin Endocrinol (Oxf)

journal_title

Clinical endocrinology

authors

Shaikh S,Waxler JL,Lee H,Grinke K,Garry J,Pober BR,Stanley TL

doi

10.1111/cen.13829

subject

Has Abstract

pub_date

2018-11-01 00:00:00

pages

596-604

issue

5

eissn

0300-0664

issn

1365-2265

journal_volume

89

pub_type

杂志文章
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    pub_type: 杂志文章

    doi:10.1111/j.1365-2265.1980.tb02727.x

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    pub_type: 杂志文章

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    pub_type: 杂志文章,多中心研究

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    pub_type: 杂志文章

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    pub_type: 杂志文章,评审

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    pub_type: 临床试验,杂志文章,随机对照试验

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    pub_type: 杂志文章

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