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Interactions of anthropometric indices, rs9939609 FTO gene polymorphism and breast cancer: A case-control study.

ABSTRACT: Contradictory results were reported on the effect of fat mass- and obesity-associated (FTO) gene and anthropometric measurements on breast cancer (BC). This study aimed to assess the interactions between rs9939609 polymorphism of FTO gene, anthropometric indices and BC risk in Iranian women. This case-control study was performed on 540 women including 180 women with BC and 360 healthy women in Tehran, Iran. Physical activity and dietary intakes were assessed by validated questionnaires. Data on sociodemographic and pathologic factors of the participants as well as their blood samples were collected. The rs9939609 FTO gene polymorphism was genotyped using the tetra-primer amplification refractory mutation system-polymerase chain reaction (T-ARMS-PCR). No significant association was found between BC and risk allele of FTO rs9939609 polymorphism after adjustments for the confounders. However, there was a significant association between rs9939609 polymorphism risk allele and BC risk in females with overweight, even after adjusting for age, family history of BC, abortion, BMI and the number of pregnancies (P < .05). The association was disappeared after further adjustments for lifestyle factors including smoking, alcohol consumption, calorie and macronutrients intake, and physical activity. The FTO gene polymorphism was associated with the risk of BC in overweight individuals. This association was influenced by environmental factors including diet, alcohol consumption and smoking. Future studies are required to confirm the association between the FTO gene and BC in overweight females and to identify the underlying mechanisms.

SUBMITTER: Doaei S

PROVIDER: S-EPMC8034447 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature

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Interactions of anthropometric indices, rs9939609 FTO gene polymorphism and breast cancer: A case-control study.

Doaei Saeid S Doaei Saeid S Bourbour Fatemeh F Rastgoo Samira S Akbari Mohammad Esmail ME Gholamalizadeh Maryam M Hajipour Azadeh A Moslem Alireza A Ghorat Fereshteh F Badeli Mostafa M Bagheri Seyedeh Elaheh SE Alizadeh Atieh A Mokhtari Zohreh Z Pishdad Samaneh S JavadiKooshesh Sepehr S Azizi Tabesh Ghasem G Montazeri Fateme F Joola Parvin P Rezaei Shahla S Dorosti Masoomeh M Mosavi Jarrahi Seyed Alireza SA

Journal of cellular and molecular medicine 20210225 7

Contradictory results were reported on the effect of fat mass- and obesity-associated (FTO) gene and anthropometric measurements on breast cancer (BC). This study aimed to assess the interactions between rs9939609 polymorphism of FTO gene, anthropometric indices and BC risk in Iranian women. This case-control study was performed on 540 women including 180 women with BC and 360 healthy women in Tehran, Iran. Physical activity and dietary intakes were assessed by validated questionnaires. Data on ...[more]

PMID: 33634577

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Project description:Background and aimsObesity is a growing public health concern in Bangladesh, which is influenced by a complex interplay of genetic and environmental factors. The genetic variant rs9939609 of the FTO (fat mass and obesity-associated) gene has been found to be associated with an increased risk for obesity, depending on the population studied. The purpose of this cross-sectional study is to examine the relationship between the FTO gene polymorphism (rs9939609) and lifestyle-related risk factors, and their impact on obesity-related traits and biochemical parameters in the Bangladeshi population.MethodsA total of 280 participants were enrolled in this study, comprising of 140 individuals with overweight and obesity (body mass index [BMI] ≥ 23.0) and 140 non-overweight healthy individuals (18.5 ≤ BMI ≥ 22.9). Demographic information, dietary behaviors, and physical activity-related data were collected using a structured questionnaire. Additionally, anthropometric assessments and measurements of biochemical parameters such as lipid profile and C-reactive protein were performed. The amplification refractory mutation system-polymerase chain reaction technique was used to identify single-nucleotide polymorphism in the FTO gene. Descriptive statistics, χ,2 and one-way ANOVA were performed to evaluate the relationships between independent and dependent variables.ResultsThe presence of rs9939609 was strongly associated with the obesity risk factors of increased BMI, cholesterol, triglycerides, and low-density lipoprotein. We also found a significant association (p < 0.05) of rs9939609 with overweight and obesity in codominant AA versus TT (odds ratio [OR] = 0.299, 95% CI: 0.129-0.695) and AA versus AT (OR = 2.273, 95% CI: 1.023-5.053), recessive TT versus AA+AT (OR = 5.154, 95% CI: 2.463-10.782), and overdominant AT versus AA+TT (OR = 0.244, 95% CI: 0.122-0.488) models.ConclusionFTO variant rs9939609 is significantly linked to obesity and an increased risk of hyperlipidemia in the Bangladeshi population. However, this association is intertwined with environmental factors such as diet and physical activity.

Dataset Information

Interactions of anthropometric indices, rs9939609 FTO gene polymorphism and breast cancer: A case-control study.

Publications

Interactions of anthropometric indices, rs9939609 FTO gene polymorphism and breast cancer: A case-control study.

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