Correlation between body mass index and gut microbiota in adults

Gut microbiota has been proposed as a new environmental risk factor responsible for obesity. So, the aim of this study was to assess the gut microbiota profile, with special consideration to Lactobacilli, E. coli and S. aureus viable bacterial count (VBC) in (CFU/gm) and their association with body mass index (BMI) and obesity using quantitative stool culture. This study was conducted on 100 individuals; 74 with disturbed BMI who were divided into subgroups, with no other associated comorbidities and 26 healthy average weight volunteers.
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Correlation between body mass index and gut microbiota in adults Int.J.Curr.Microbiol.App.Sci (2017) 6(2): 778-787 International Journal of Current Microbiology and Applied Sciences ISSN: 2319-7706 Volume 6 Number 2 (2017) pp. 778-787 Journal homepage: http://www.ijcmas.com Original Research Article http://dx.doi.org/10.20546/ijcmas.2017.602.086 Correlation between Body Mass Index and Gut Microbiota in Adults Sally M. Saber1, *Hala B. Othman1, Sherin ElMasry1*, Alaa Magdy1 and Howayda F. Zidan2 1 Clinical Pathology Department, Faculty of Medicine, Ain Shams University, Egypt 2 Department of Rheumatology and Rehabilitation, Faculty of Medicine, Ain Shams University, Egypt #Corresponding author ABSTRACT Gut microbiota has been proposed as a new environmental risk factor responsible for Keywords obesity. So, the aim of this study was to assess the gut microbiota profile, with special Obesity, consideration to Lactobacilli, E. coli and S. aureus viable bacterial count (VBC) in Lactobacillus reuteri, (CFU/gm) and their association with body mass index (BMI) and obesity using Lactobacillus quantitative stool culture. This study was conducted on 100 individuals; 74 with paracasei, disturbed BMI who were divided into subgroups, with no other associated co- Lactobacillus morbidities and 26 healthy average weight volunteers. Fresh stool samples were plantarum, E. coli, collected and cultured directly on MacConkey, xylose lysine deoxycholate, Blood and Probiotics, Prebiotics and synbiotics. Man-Rogoza Sharpe agar and quantitatively with serial dilutions (10-2 – 10-9) in sterile normal saline. S. aureus was not isolated in any group, while, Lactobacilli and E. coli Article Info were isolated from all groups. Lactobacilli have a significant low VBC in obese and the highest VBC in the normal weight group showing a negative correlation with BMI. Accepted: 18 January 2017 While, E. coli had a significantly high VBC in obese and the lowest in the Available Online: underweight group showing a positive correlation with BMI. In conclusion, low 10 February 2017 Lactobacilli VBC and high E. coli VBC are significantly related to increased BMI and thus obesity. Introduction The rapidly growing prevalence of obesity endometrium, and postmenopausal breast. It among children, adolescents and adults and is also related to a significantly increased the associated metabolic disorders has mortality (Whitlock et al., 2009). become a global health problem (Xiao et al., 2014). Obesity is a complex condition influenced by many factors as Genetic, endocrinal and Body mass index (BMI) is a good measure of environmental factors (Xiao et al., 2014). Gut obesity. Increased BMI is an established risk microbiota has been proposed as a new factor for many diseases; including, environmental risk factor responsible for the hypertension, ischemic heart disease, stroke, weight gain and the altered energy diabetes mellitus, respiratory disorders, and metabolism that accompanies the obese state. cancer of the large intestine, kidney, The gut microbiota enables enzymatic 778 Int.J.Curr.Microbiol.App.Sci (2017) 6(2): 778-787 digestion of nondigestible polysaccharides bacterial count (VBC) in (CFU/gm)and their producing absorbable monosaccharides; and it association with body mass index (BMI) and activates lipoprotein lipase on intestinal obesity using quantitative stool culture. epithelium, which causes rapid absorption of glucose and fatty acids, contributing to the fat Materials and Methods mass expansion and weight gain (Musso et al., 2011). Many studies in both human This study was conducted on 100adults; 74 subjects and experimental animals showed a with disturbed BMI with no other associated significant association between the increase of co morbiditie ...