Review Analysis of the Association between the Prevalence of Activated Brown Adipose Tissue and Outdoor Temperature

Brown adipose tissue (BAT) is important for regulating body weight. Environmental temperature influences BAT activation. Activated BAT is identifiable using F18-fluorodeoxyglucose positron emission tomography/computed tomography (F18-FDG PET/CT). F18-FDG PET/CT scans done between June 2005 and May 2...

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Main Authors: Yung-Cheng Huang, Chien-Chin Hsu, Pei-Wen Wang, Yen-Hsiang Chang, Tai-Been Chen, Bi-Fang Lee, Nan-Tsing Chiu
Format: Article
Language:English
Published: Wiley 2012-01-01
Series:The Scientific World Journal
Online Access:http://dx.doi.org/10.1100/2012/793039
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author Yung-Cheng Huang
Chien-Chin Hsu
Pei-Wen Wang
Yen-Hsiang Chang
Tai-Been Chen
Bi-Fang Lee
Nan-Tsing Chiu
author_facet Yung-Cheng Huang
Chien-Chin Hsu
Pei-Wen Wang
Yen-Hsiang Chang
Tai-Been Chen
Bi-Fang Lee
Nan-Tsing Chiu
author_sort Yung-Cheng Huang
collection DOAJ
description Brown adipose tissue (BAT) is important for regulating body weight. Environmental temperature influences BAT activation. Activated BAT is identifiable using F18-fluorodeoxyglucose positron emission tomography/computed tomography (F18-FDG PET/CT). F18-FDG PET/CT scans done between June 2005 and May 2009 in our institution in tropical southern Taiwan and BAT studies from PubMed (2002–2011) were reviewed, and the average outdoor temperatures during the study periods were obtained. A simple linear regression was used to analyze the association between the prevalence of activated BAT (P) and the average outdoor temperature (T). The review analysis for 9 BAT studies (n=16,765) showed a significant negative correlation (r=-0.741, P=0.022) between the prevalence of activated BAT and the average outdoor temperature. The equation of the regression line is P(%)=6.99−0.20×T  (C∘). The prevalence of activated BAT decreased by 1% for each 5C∘ increase in average outdoor temperature. In a neutral ambient temperature, the prevalence of activated BAT is low and especially rare in the tropics. There is a significant linear negative correlation between the prevalence of activated BAT and the average outdoor temperature.
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institution Kabale University
issn 1537-744X
language English
publishDate 2012-01-01
publisher Wiley
record_format Article
series The Scientific World Journal
spelling doaj-art-1816aa28b27d4d8d963f2ae97a0278b32025-02-03T06:11:15ZengWileyThe Scientific World Journal1537-744X2012-01-01201210.1100/2012/793039793039Review Analysis of the Association between the Prevalence of Activated Brown Adipose Tissue and Outdoor TemperatureYung-Cheng Huang0Chien-Chin Hsu1Pei-Wen Wang2Yen-Hsiang Chang3Tai-Been Chen4Bi-Fang Lee5Nan-Tsing Chiu6Department of Nuclear Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, TaiwanDepartment of Nuclear Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, TaiwanDepartment of Nuclear Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, TaiwanDepartment of Nuclear Medicine, Kaohsiung Chang Gung Memorial Hospital and Chang Gung University College of Medicine, Kaohsiung 83301, TaiwanDepartment of Medical Imaging and Radiological Sciences, I-Shou University, Kaohsiung 82445, TaiwanDepartment of Nuclear Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70428, TaiwanDepartment of Nuclear Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan 70428, TaiwanBrown adipose tissue (BAT) is important for regulating body weight. Environmental temperature influences BAT activation. Activated BAT is identifiable using F18-fluorodeoxyglucose positron emission tomography/computed tomography (F18-FDG PET/CT). F18-FDG PET/CT scans done between June 2005 and May 2009 in our institution in tropical southern Taiwan and BAT studies from PubMed (2002–2011) were reviewed, and the average outdoor temperatures during the study periods were obtained. A simple linear regression was used to analyze the association between the prevalence of activated BAT (P) and the average outdoor temperature (T). The review analysis for 9 BAT studies (n=16,765) showed a significant negative correlation (r=-0.741, P=0.022) between the prevalence of activated BAT and the average outdoor temperature. The equation of the regression line is P(%)=6.99−0.20×T  (C∘). The prevalence of activated BAT decreased by 1% for each 5C∘ increase in average outdoor temperature. In a neutral ambient temperature, the prevalence of activated BAT is low and especially rare in the tropics. There is a significant linear negative correlation between the prevalence of activated BAT and the average outdoor temperature.http://dx.doi.org/10.1100/2012/793039
spellingShingle Yung-Cheng Huang
Chien-Chin Hsu
Pei-Wen Wang
Yen-Hsiang Chang
Tai-Been Chen
Bi-Fang Lee
Nan-Tsing Chiu
Review Analysis of the Association between the Prevalence of Activated Brown Adipose Tissue and Outdoor Temperature
The Scientific World Journal
title Review Analysis of the Association between the Prevalence of Activated Brown Adipose Tissue and Outdoor Temperature
title_full Review Analysis of the Association between the Prevalence of Activated Brown Adipose Tissue and Outdoor Temperature
title_fullStr Review Analysis of the Association between the Prevalence of Activated Brown Adipose Tissue and Outdoor Temperature
title_full_unstemmed Review Analysis of the Association between the Prevalence of Activated Brown Adipose Tissue and Outdoor Temperature
title_short Review Analysis of the Association between the Prevalence of Activated Brown Adipose Tissue and Outdoor Temperature
title_sort review analysis of the association between the prevalence of activated brown adipose tissue and outdoor temperature
url http://dx.doi.org/10.1100/2012/793039
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