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The First Report of Differences in Gut Microbiota Composition Between Obese and Normal Weight Iranian Subjects Publisher Pubmed



Marvasti FE1, 2 ; Moshiri A3, 4 ; Taghavi MS2 ; Riazi S2 ; Taati M2 ; Sadati SF2 ; Ghaheri A5 ; Masoomi M1, 6 ; Vaziri F1, 6 ; Fateh A1, 6 ; Rohani P7, 9 ; Tarashi S1 ; Masotti A8 ; Badi SA1 Show All Authors
Authors
  1. Marvasti FE1, 2
  2. Moshiri A3, 4
  3. Taghavi MS2
  4. Riazi S2
  5. Taati M2
  6. Sadati SF2
  7. Ghaheri A5
  8. Masoomi M1, 6
  9. Vaziri F1, 6
  10. Fateh A1, 6
  11. Rohani P7, 9
  12. Tarashi S1
  13. Masotti A8
  14. Badi SA1
  15. Siadat SD1, 6, 7, 9
Show Affiliations
Authors Affiliations
  1. 1. Microbiology Research Centre, Pasteur Institute of Iran, Tehran, Iran
  2. 2. The Islamic Azad University, Science and Research Branch, Tehran, Iran
  3. 3. Research Centre for Gastroenterology and Liver Diseases, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  4. 4. Laboratory of Experimental Therapies in Oncology, IRCCS Istituto Giannina Gaslini, Genoa, Italy
  5. 5. Departments of Epidemiology and Reproductive Health, Reproductive Epidemiology Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran
  6. 6. Mycobacteriology and Pulmonary Research Department, Pasteur Institute of Iran, Tehran, Iran
  7. 7. Department of Pediatric Gastroentrology and Hepatology, Mofid Children's Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
  8. 8. Research Laboratories, Bambino Gesu Children's Hospital-IRCCS, Rome, Italy
  9. 9. Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran

Source: Iranian Biomedical Journal Published:2020


Abstract

Background: Obesity is a complex disorder influenced by various genetic and environmental factors. It has been shown that gut microbiota, which colonizes gastrointestinal tract, has a substantial role as an environmental factor in the pathophysiology of obesity. Since the composition of gut microbiota alters with regard to different criteria, such as ethnicity, geographical location, diet, lifestyle, age, and gender, we aimed to determine F/B ratio and the abundance of important gut microbiota members, A. muciniphila, F. prausnitzii, Roseburia, Bifidobacterium, and Prevotella in Iranian obese and normal weight individuals, for the first time. Methods: In this study, 50 normal and 50 obese subjects were recruited and classified based on their BMI into normal weight and obese groups. Stool samples were collected. Following DNA extraction from the samples, qPCR was conducted based on 16s rDNA universal primers. Finally, the correlation between the bacterial abundance and obesity was analyzed by statistical analyses. Results: We observed a significant increase of F/B ratio in the obese group, compared to the normal weight group (p = 0.002). Although A. muciniphila (p = 0.039) and Bifidobacterium (p = 0.049) abundance significantly decreased, the abundance of F. prausnitzii (p = 0.046) significantly elevated with BMI increase in the studied groups. Conclusion: Owing to the importance of the gut microbiota composition in obesity development, determination and targeted restoration of gut microbiota pattern could be valuable in the control and treatment of obesity in certain populations. DOI: 10.29252/ibj.24.3.148. © 2020, Pasteur Institute of Iran. All rights reserved.
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