Annals of human biology · 2019
The BDNF rs6265 variant may interact with overweight and obesity to influence obesity-related physical, metabolic and behavioural traits in Pakistani individuals.
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Rana Sobia, Mirza Saad, Rahmani Soma
Аннотация
BACKGROUND: The association of the variant rs6265 (G>A) in the brain-derived neurotrophic factor (BDNF) gene with obesity and other obesity-related parameters is not known for the Pakistani population. Moreover, the effects of interaction between BDNF rs6265 and overweight/obesity on obesity-related traits have never been investigated before.
AIM: To find the association of the BDNF rs6265 with obesity and related traits and to explore the effect of rs6265 × obesity interaction on obesity-related traits in Pakistanis.
SUBJECTS AND METHODS: The study involved a total of 606 subjects, including 306 overweight and obese (OW/OB) cases and 300 normal weight (NW) controls. The genotyping of the BDNF rs6265 was done and obesity-related anthropometric, physical, behavioural and metabolic parameters were determined. Statistical analyses using SPSS software were performed to find the associations.
RESULTS: The study revealed a lack of association of the BDNF rs6265 with obesity and obesity-related traits. On the other hand, the interaction between the BDNF rs6265 and overweight/obesity was found to be significantly associated with some of the obesity-related anomalous traits. However, no association between rs6265 and these anomalous traits was seen in either group when the association test was performed in NW and OW/OB groups separately.
CONCLUSION: The BDNF rs6265, in the presence of obesity, may be associated with elevated risk of anomalous metabolic, behavioural and physical traits and obesity-related co-morbidities, but it needs to be validated in a significantly larger Pakistani sample population.
AIM: To find the association of the BDNF rs6265 with obesity and related traits and to explore the effect of rs6265 × obesity interaction on obesity-related traits in Pakistanis.
SUBJECTS AND METHODS: The study involved a total of 606 subjects, including 306 overweight and obese (OW/OB) cases and 300 normal weight (NW) controls. The genotyping of the BDNF rs6265 was done and obesity-related anthropometric, physical, behavioural and metabolic parameters were determined. Statistical analyses using SPSS software were performed to find the associations.
RESULTS: The study revealed a lack of association of the BDNF rs6265 with obesity and obesity-related traits. On the other hand, the interaction between the BDNF rs6265 and overweight/obesity was found to be significantly associated with some of the obesity-related anomalous traits. However, no association between rs6265 and these anomalous traits was seen in either group when the association test was performed in NW and OW/OB groups separately.
CONCLUSION: The BDNF rs6265, in the presence of obesity, may be associated with elevated risk of anomalous metabolic, behavioural and physical traits and obesity-related co-morbidities, but it needs to be validated in a significantly larger Pakistani sample population.