Outdoor Temperature, Age, Sex, Body Mass Index, and Diabetic Status Determine the Prevalence, Mass, and Glucose-Uptake Activity of 18F-FDG-Detected BAT in Humans

被引：432
作者：
Ouellet, Veronique [1 ,2 ]
Routhier-Labadie, Annick [1 ,2 ]
Bellemare, William [1 ,2 ]
Lakhal-Chaieb, Lajmi [3 ]
Turcotte, Eric [4 ]
Carpentier, Andre C. [5 ]
Richard, Denis [1 ,2 ]
机构：
[1] Univ Laval, Fac Med, Ctr Rech Inst Univ Cardiol & Pneumol Quebec, Quebec City, PQ G1V 4G5, Canada
[2] Univ Laval, Fac Med, Merck Frosst Canadian Inst Hlth Res Res Chair Obe, Quebec City, PQ G1V 4G5, Canada
[3] Univ Laval, Dept Math & Stat, Quebec City, PQ G1V 0A6, Canada
[4] Univ Sherbrooke, CHU Sherbrooke, Div Endocrinol, Sherbrooke Mol Imaging Ctr, Sherbrooke, PQ J1H 5N4, Canada
[5] Univ Sherbrooke, CHU Sherbrooke, Div Endocrinol, Dept Med, Sherbrooke, PQ J1H 5N4, Canada
来源：
JOURNAL OF CLINICAL ENDOCRINOLOGY & METABOLISM | 2011年 / 96卷 / 01期
关键词：
BROWN ADIPOSE-TISSUE; DIET-INDUCED THERMOGENESIS; ADULT HUMANS; FDG UPTAKE; FAT; OBESITY;
D O I：
10.1210/jc.2010-0989
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
Context: In humans, the prevalence, mass, and glucose-uptake activity of F-18-fluorodeoxyglucose (F-18-FDG)-detected brown adipose tissue (BAT), which are expectedly enhanced by a cold stimulus, also appear modulated by other factors that still have to be disentangled. Objective: The objective of the study was to investigate the factors determining the prevalence, mass, and glucose-uptake activity of F-18-FDG-detected BAT in humans. Research Design and Methods: We retrospectively analyzed all F-18-FDG positron emission tomography/computed tomography examinations performed between January 2007 and December 2008 at our institution for F-18-FDG uptake within the cervical/supraclavicular, mediastinal, paravertebral, and perirenal fat areas. The influence of outdoor temperature, sex, age, body mass index (BMI), plasma glucose level, diabetes diagnosis, day length, and cancer status on the prevalence, mass, and glucose-uptake activity of F-18-FDG-detected BAT depots was investigated. Results: Three hundred twenty-eight of the 4842 patients (6.8%) had F-18-FDG-detected BAT. The prevalence of F-18-FDG BAT was negatively associated with outdoor temperature (P < 0.0001), age (P < 0.0001), BMI (P < 0.0001), and diabetes status (P = 0.0003). Moreover, there was a significant age x sex interaction for the prevalence of F-18-FDG BAT (the younger the subjects, the greater the sex difference). The mass and glucose-uptake activity of F-18-FDG-detected BAT also decreased with increasing outdoor temperature (P < 0.0001), age (P < 0.0001), and BMI (P < 0.0001). They were lower in men than in women (P < 0.001) and lower in diabetic than in nondiabetic patients (P = 0.0002). Conclusions: The present study identifies outdoor temperature, age, sex, BMI, and diabetes status as determinants of the prevalence, mass, and glucose-uptake activity of F-18-FDG-detected BAT. (J Clin Endocrinol Metab 96: 192-199, 2011)
引用
收藏
页码：192 / 199
页数：8
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