Association of Uncoupling Protein 1 (UCP1) gene polymorphism with obesity: a case-control study

Abstract Background Obesity is one of the main causes of morbidity and mortality worldwide. More than 120 genes have been shown to be associated with obesity related phenotypes. The aim of this study was to determine the effect of selected genetic polymorphisms in Uncoupling protein 1 (UCP1) and Nie...

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Main Authors: Shahanas Chathoth, Mona H. Ismail, Chittibabu Vatte, Cyril Cyrus, Zhara Al Ali, Khandaker Ahtesham Ahmed, Sadananda Acharya, Aisha Mohammed Al Barqi, Amein Al Ali
Format: Article
Language:English
Published: BMC 2018-11-01
Series:BMC Medical Genetics
Subjects:
Online Access:http://link.springer.com/article/10.1186/s12881-018-0715-5
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author Shahanas Chathoth
Mona H. Ismail
Chittibabu Vatte
Cyril Cyrus
Zhara Al Ali
Khandaker Ahtesham Ahmed
Sadananda Acharya
Aisha Mohammed Al Barqi
Amein Al Ali
author_facet Shahanas Chathoth
Mona H. Ismail
Chittibabu Vatte
Cyril Cyrus
Zhara Al Ali
Khandaker Ahtesham Ahmed
Sadananda Acharya
Aisha Mohammed Al Barqi
Amein Al Ali
author_sort Shahanas Chathoth
collection DOAJ
description Abstract Background Obesity is one of the main causes of morbidity and mortality worldwide. More than 120 genes have been shown to be associated with obesity related phenotypes. The aim of this study was to determine the effect of selected genetic polymorphisms in Uncoupling protein 1 (UCP1) and Niemann-Pick C1 (NPC1) genes in an obese population in Saudi Arabia. Methods The genotypes of rs1800592, rs10011540 and rs3811791 (UCP1 gene) and rs1805081 and rs1805082 (NPC1 gene) were determined in a total of 492 subjects using TaqMan chemistry by Real-time PCR. In addition, capillary sequencing assay was performed to identify two specific polymorphisms viz., rs45539933 (exon 2) and rs2270565 (exon 5) of UCP1 gene. Results A significant association of UCP1 polymorphisms rs1800592 [OR, 1.52 (1.10–2.08); p = 0.009] was observed in the obese cohort after adjusting with age, sex and type 2 diabetes. Further BMI based stratification revealed that this association was inconsistent with both moderate and extreme obese cohort. A significant association of UCP1 polymorphisms rs3811791 was observed only in the moderate-obese cohort [OR = 2.89 (1.33–6.25); p = 0.007] but not in the extreme-obese cohort indicating an overlying genetic complexity between moderate-obesity and extreme-obesity. The risk allele frequencies, which were higher in moderate-obese cohort, had abnormal HDL, LDL and triglyceride levels. Conclusion The rs1800592 and rs3811791 of UCP1 gene are associated with obesity in general and in the moderate-obese group in particular. The associated UCP1 polymorphisms in the moderate-obese group may regulate the impaired energy metabolism which plays a significant role in the initial stages of obesity.
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spelling doaj.art-afcb277c6428401d93b1764a2751ad032022-12-21T20:04:55ZengBMCBMC Medical Genetics1471-23502018-11-0119111010.1186/s12881-018-0715-5Association of Uncoupling Protein 1 (UCP1) gene polymorphism with obesity: a case-control studyShahanas Chathoth0Mona H. Ismail1Chittibabu Vatte2Cyril Cyrus3Zhara Al Ali4Khandaker Ahtesham Ahmed5Sadananda Acharya6Aisha Mohammed Al Barqi7Amein Al Ali8Department of Genetic Research, Institute for Research and Medical Consultation, Imam Abdulrahman Bin Faisal UniversityDepartment of Internal Medicine, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal UniversityDepartment of Genetic Research, Institute for Research and Medical Consultation, Imam Abdulrahman Bin Faisal UniversityDepartment of Genetic Research, Institute for Research and Medical Consultation, Imam Abdulrahman Bin Faisal UniversityDepartment of Internal Medicine, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal UniversityDepartment of Pathology, University of AlabamaDepartment of Public Health, College of Public Health, Imam Abdulrahman Bin Faisal UniversityDepartment of Internal Medicine, King Fahd Hospital of the University, Imam Abdulrahman Bin Faisal UniversityDepartment of Biochemistry, Imam Abdulrahman Bin Faisal UniversityAbstract Background Obesity is one of the main causes of morbidity and mortality worldwide. More than 120 genes have been shown to be associated with obesity related phenotypes. The aim of this study was to determine the effect of selected genetic polymorphisms in Uncoupling protein 1 (UCP1) and Niemann-Pick C1 (NPC1) genes in an obese population in Saudi Arabia. Methods The genotypes of rs1800592, rs10011540 and rs3811791 (UCP1 gene) and rs1805081 and rs1805082 (NPC1 gene) were determined in a total of 492 subjects using TaqMan chemistry by Real-time PCR. In addition, capillary sequencing assay was performed to identify two specific polymorphisms viz., rs45539933 (exon 2) and rs2270565 (exon 5) of UCP1 gene. Results A significant association of UCP1 polymorphisms rs1800592 [OR, 1.52 (1.10–2.08); p = 0.009] was observed in the obese cohort after adjusting with age, sex and type 2 diabetes. Further BMI based stratification revealed that this association was inconsistent with both moderate and extreme obese cohort. A significant association of UCP1 polymorphisms rs3811791 was observed only in the moderate-obese cohort [OR = 2.89 (1.33–6.25); p = 0.007] but not in the extreme-obese cohort indicating an overlying genetic complexity between moderate-obesity and extreme-obesity. The risk allele frequencies, which were higher in moderate-obese cohort, had abnormal HDL, LDL and triglyceride levels. Conclusion The rs1800592 and rs3811791 of UCP1 gene are associated with obesity in general and in the moderate-obese group in particular. The associated UCP1 polymorphisms in the moderate-obese group may regulate the impaired energy metabolism which plays a significant role in the initial stages of obesity.http://link.springer.com/article/10.1186/s12881-018-0715-5UCP1NCP1Moderate-obeseExtreme-obeseDiabetesHDL
spellingShingle Shahanas Chathoth
Mona H. Ismail
Chittibabu Vatte
Cyril Cyrus
Zhara Al Ali
Khandaker Ahtesham Ahmed
Sadananda Acharya
Aisha Mohammed Al Barqi
Amein Al Ali
Association of Uncoupling Protein 1 (UCP1) gene polymorphism with obesity: a case-control study
BMC Medical Genetics
UCP1
NCP1
Moderate-obese
Extreme-obese
Diabetes
HDL
title Association of Uncoupling Protein 1 (UCP1) gene polymorphism with obesity: a case-control study
title_full Association of Uncoupling Protein 1 (UCP1) gene polymorphism with obesity: a case-control study
title_fullStr Association of Uncoupling Protein 1 (UCP1) gene polymorphism with obesity: a case-control study
title_full_unstemmed Association of Uncoupling Protein 1 (UCP1) gene polymorphism with obesity: a case-control study
title_short Association of Uncoupling Protein 1 (UCP1) gene polymorphism with obesity: a case-control study
title_sort association of uncoupling protein 1 ucp1 gene polymorphism with obesity a case control study
topic UCP1
NCP1
Moderate-obese
Extreme-obese
Diabetes
HDL
url http://link.springer.com/article/10.1186/s12881-018-0715-5
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