Ramadan Diurnal Intermittent Fasting Is Associated With Attenuated FTO Gene Expression in Subjects With Overweight and Obesity: A Prospective Cohort Study

Aim and BackgroundA growing body of evidence supports the impact of intermittent fasting (IF) on normalizing body weight and that the interaction between body genes and environmental factors shapes human susceptibility to developing obesity. FTO gene is one of these genes with metabolic effects rela...

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Main Authors: Mohamed I. Madkour, Lara J. Bou Malhab, Wael M. Abdel-Rahman, Dana N. Abdelrahim, Maha Saber-Ayad, MoezAlIslam E. Faris
Format: Article
Language:English
Published: Frontiers Media S.A. 2022-03-01
Series:Frontiers in Nutrition
Subjects:
Online Access:https://www.frontiersin.org/articles/10.3389/fnut.2021.741811/full
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author Mohamed I. Madkour
Mohamed I. Madkour
Lara J. Bou Malhab
Wael M. Abdel-Rahman
Wael M. Abdel-Rahman
Dana N. Abdelrahim
Maha Saber-Ayad
Maha Saber-Ayad
MoezAlIslam E. Faris
MoezAlIslam E. Faris
author_facet Mohamed I. Madkour
Mohamed I. Madkour
Lara J. Bou Malhab
Wael M. Abdel-Rahman
Wael M. Abdel-Rahman
Dana N. Abdelrahim
Maha Saber-Ayad
Maha Saber-Ayad
MoezAlIslam E. Faris
MoezAlIslam E. Faris
author_sort Mohamed I. Madkour
collection DOAJ
description Aim and BackgroundA growing body of evidence supports the impact of intermittent fasting (IF) on normalizing body weight and that the interaction between body genes and environmental factors shapes human susceptibility to developing obesity. FTO gene is one of these genes with metabolic effects related to energy metabolism and body fat deposition. This research examined the changes in FTO gene expression upon Ramadan intermittent fasting (RIF) in a group of metabolically healthy subjects with overweight and obesity.MethodsSixty-three (63) subjects were recruited, of which 57 (17 males and 40 females, mean age 38.4 ± 11.2 years) subjects with overweight and obesity (BMI = 29.89 ± 5.02 kg/m2were recruited and monitored before and at the end of Ramadan month), and 6 healthy subjects with normal BMI (21.4 ± 2.20 kg/m2) recruited only to standardize the reference for normal levels of FTO gene expression. In the two-time points, anthropometric, biochemical, and dietary assessments were undertaken, and FTO gene expression tests were performed using RNA extracted from the whole blood sample.ResultsIn contrast to normal BMI subjects, the relative gene expressions in overweight/obese were significantly decreased at the end of Ramadan (−32.30%, 95% CI–0.052 −0.981) in comparison with the pre-fasting state. Significant reductions were found in body weight, BMI, fat mass, body fat percent, hip circumference, LDL, IL-6, TNF-α (P<0.001), and in waist circumference (P<0.05), whilst HDL and IL-10 significantly increased (P<0.001) at the end of Ramadan in comparison with the pre-fasting levels. Binary logistic regression analysis for genetic expressions showed no significant association between high-energy intake, waist circumference, or obesity and FTO gene expression.ConclusionsRIF is associated with the downregulation of the FTO gene expression in subjects with obesity, and this may explain, at least in part, its favorable metabolic effects. Hence, RIF presumably may entail a protective impact against body weight gain and its adverse metabolic-related derangements in subjects with obesity.
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spelling doaj.art-0b4eafcd69464b68aa4520dec75297982022-12-22T00:11:42ZengFrontiers Media S.A.Frontiers in Nutrition2296-861X2022-03-01810.3389/fnut.2021.741811741811Ramadan Diurnal Intermittent Fasting Is Associated With Attenuated FTO Gene Expression in Subjects With Overweight and Obesity: A Prospective Cohort StudyMohamed I. Madkour0Mohamed I. Madkour1Lara J. Bou Malhab2Wael M. Abdel-Rahman3Wael M. Abdel-Rahman4Dana N. Abdelrahim5Maha Saber-Ayad6Maha Saber-Ayad7MoezAlIslam E. Faris8MoezAlIslam E. Faris9Department of Medical Laboratory Sciences, College of Health Sciences, University of Sharjah, Sharjah, United Arab EmiratesResearch Institute for Medical and Health Sciences (RIMHS), University of Sharjah, Sharjah, United Arab EmiratesResearch Institute for Medical and Health Sciences (RIMHS), University of Sharjah, Sharjah, United Arab EmiratesDepartment of Medical Laboratory Sciences, College of Health Sciences, University of Sharjah, Sharjah, United Arab EmiratesResearch Institute for Medical and Health Sciences (RIMHS), University of Sharjah, Sharjah, United Arab EmiratesDepartment of Clinical Nutrition and Dietetics, Faculty of Pharmacy, Applied Science Private University, Amman, JordanResearch Institute for Medical and Health Sciences (RIMHS), University of Sharjah, Sharjah, United Arab EmiratesDepartment of Clinical Sciences, College of Medicine, University of Sharjah, Sharjah, United Arab EmiratesResearch Institute for Medical and Health Sciences (RIMHS), University of Sharjah, Sharjah, United Arab EmiratesDepartment of Clinical Nutrition and Dietetics, University of Sharjah, Sharjah, United Arab EmiratesAim and BackgroundA growing body of evidence supports the impact of intermittent fasting (IF) on normalizing body weight and that the interaction between body genes and environmental factors shapes human susceptibility to developing obesity. FTO gene is one of these genes with metabolic effects related to energy metabolism and body fat deposition. This research examined the changes in FTO gene expression upon Ramadan intermittent fasting (RIF) in a group of metabolically healthy subjects with overweight and obesity.MethodsSixty-three (63) subjects were recruited, of which 57 (17 males and 40 females, mean age 38.4 ± 11.2 years) subjects with overweight and obesity (BMI = 29.89 ± 5.02 kg/m2were recruited and monitored before and at the end of Ramadan month), and 6 healthy subjects with normal BMI (21.4 ± 2.20 kg/m2) recruited only to standardize the reference for normal levels of FTO gene expression. In the two-time points, anthropometric, biochemical, and dietary assessments were undertaken, and FTO gene expression tests were performed using RNA extracted from the whole blood sample.ResultsIn contrast to normal BMI subjects, the relative gene expressions in overweight/obese were significantly decreased at the end of Ramadan (−32.30%, 95% CI–0.052 −0.981) in comparison with the pre-fasting state. Significant reductions were found in body weight, BMI, fat mass, body fat percent, hip circumference, LDL, IL-6, TNF-α (P<0.001), and in waist circumference (P<0.05), whilst HDL and IL-10 significantly increased (P<0.001) at the end of Ramadan in comparison with the pre-fasting levels. Binary logistic regression analysis for genetic expressions showed no significant association between high-energy intake, waist circumference, or obesity and FTO gene expression.ConclusionsRIF is associated with the downregulation of the FTO gene expression in subjects with obesity, and this may explain, at least in part, its favorable metabolic effects. Hence, RIF presumably may entail a protective impact against body weight gain and its adverse metabolic-related derangements in subjects with obesity.https://www.frontiersin.org/articles/10.3389/fnut.2021.741811/fullcaloric restrictionintermittent fastingobesitynutrigenomicsRamadantime-restricted eating
spellingShingle Mohamed I. Madkour
Mohamed I. Madkour
Lara J. Bou Malhab
Wael M. Abdel-Rahman
Wael M. Abdel-Rahman
Dana N. Abdelrahim
Maha Saber-Ayad
Maha Saber-Ayad
MoezAlIslam E. Faris
MoezAlIslam E. Faris
Ramadan Diurnal Intermittent Fasting Is Associated With Attenuated FTO Gene Expression in Subjects With Overweight and Obesity: A Prospective Cohort Study
Frontiers in Nutrition
caloric restriction
intermittent fasting
obesity
nutrigenomics
Ramadan
time-restricted eating
title Ramadan Diurnal Intermittent Fasting Is Associated With Attenuated FTO Gene Expression in Subjects With Overweight and Obesity: A Prospective Cohort Study
title_full Ramadan Diurnal Intermittent Fasting Is Associated With Attenuated FTO Gene Expression in Subjects With Overweight and Obesity: A Prospective Cohort Study
title_fullStr Ramadan Diurnal Intermittent Fasting Is Associated With Attenuated FTO Gene Expression in Subjects With Overweight and Obesity: A Prospective Cohort Study
title_full_unstemmed Ramadan Diurnal Intermittent Fasting Is Associated With Attenuated FTO Gene Expression in Subjects With Overweight and Obesity: A Prospective Cohort Study
title_short Ramadan Diurnal Intermittent Fasting Is Associated With Attenuated FTO Gene Expression in Subjects With Overweight and Obesity: A Prospective Cohort Study
title_sort ramadan diurnal intermittent fasting is associated with attenuated fto gene expression in subjects with overweight and obesity a prospective cohort study
topic caloric restriction
intermittent fasting
obesity
nutrigenomics
Ramadan
time-restricted eating
url https://www.frontiersin.org/articles/10.3389/fnut.2021.741811/full
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