Association of dietary intake of fruit and green Vegetables with PTEN and P53 mRNA gene expression in visceral and subcutaneous adipose tissues of obese and non-obese adults
2020
Abstract Objective The present study investigates the association of dietary intake of fruit and green Vegetables with PTEN and P53 mRNA gene expression in visceral (VAT) and subcutaneous adipose tissues (SAT) of obese and non-obese adults. Methods VAT and SAT were obtained from 151 individuals, aged ∼40 years, who had undergone elective abdominal surgery. The participants were grouped according to their body mass index (BMI), as obese (BMI > 30 kg/m2) and non-obese (BMI=18.5-30 kg/m2). Dietary intakes were obtained using a valid and reliable food-frequency questionnaire (FFQ). Real-time PCR was carried out for PTEN and P53 mRNA expressions. Associations between expression levels and dietary parameters were analyzed. Results P53 mRNA expression of obese participants was significantly higher than the non-obese, only in VAT (p Conclusion Dietary intake of fruit and green vegetables was associated with P53 gene expression in VAT and SAT of obese participants, suggesting their protective role in regulating P53 mRNA expression in adipose tissue. Furthermore, higher fruit intake was inversely associated with PTEN mRNA levels in non-obese participants, implying the anti-adipogenic role of PTEN gene expression.
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