RuchiMathurMDFRCP(C)

PubMed

• Third generation sequencing analysis detects significant differences in duodenal microbiome composition between functional dyspepsia patients and control subjects.
  Georgios Tziatzios, Emmanouil Stylianakis, Georgia Damoraki, Paraskevas Gkolfakis, Gabriela Leite
  Neurogastroenterology and Motility. 2025-01-01
• Food Retention at Endoscopy Among Adults Using Glucagon-Like Peptide-1 Receptor Agonists.
  Jason Nasser, Ava Hosseini, Gillian Barlow, Roma Gianchandani, Ali Rezaie
  JAMA Network Open. 2024-10-01
• Elemental Diet as a Therapeutic Modality: A Comprehensive Review.
  Jason Nasser, Sepideh Mehravar, Mark Pimentel, Jane Lim, Ruchi Mathur
  Digestive Diseases and Sciences. 2024-09-01

Journal Articles

• Declining Rates of Referral for Irritable Bowel Syndrome Without Constipation at a Tertiary Care Center  
  Nipaporn Pichetshote, Vartan C Tashjian, Mark Pimentel, Ali Rezaie, Ruchi Mathur, Digestive Diseases and Sciences
• Ethnic Diverstiy in Susceptibility of Beta Cell Function to Pancreatic Triglyceride levels  
  Lingvay I, Mathur R, Szczpaniak E, Szczpaniak L, J Diabetes Metab, 1/1/2014
• Methane-producing human subjects have higher serum glucose levels during oral glucose challenge than non-methane produers: A pilot study of enteric methanogens on glyc...  
  Mathur R, Goyal D, Kim G, Barlow GM, Chua KS, Pimentel M, Research Journal of Endocrinology and Metabolism, 1/1/2014
• Steroidogenic regulatory factor FOS is underexpressed in polycystic ovary syndrome (PCOS) adipose tissue and associated with PCOS susceptibility  
  Jones MR, Xu N, Chazenbalk G, Chua A, Tamar E, Mengesha E, Want C, Chen YH, Lee JM, Pall M, Li X, Chen YI, Taylor K, Mathur R, Krauss RM, Rotter JI, Legro RS Azziz R, ..., J Clin Endocrinol Metab, 1/1/2012
• Impact of the gut microbiota on energy balance: current concepts  
  Dibaise JK, Frank DN, Mathur R, American Journal of Gastroenterology, 1/1/2012
• Insulin Resistance and Obesity: the role of metformin on weight in patients with and without diabetes  
  Mathur R, Bariatric Times, 1/1/2011
• Survey of key folliculogenesis genes in PCOS  
  Sproul K, Jones MR, Mathur R, Azziz R, Goodarzi MO, British Journal of Obstetrics and Gynecology, 1/1/2010
• Letter to Editor: Reply to W Kittsupamongkol  
  Mathur R, Alexander CJ, Yano J, Trivax B, Azziz R, Am J Obstet Gynecol, 1/23/2009
• Modeling the effects of CSII on the effects of glucose concentration in Type 1 diabetes  
  Nilam A, Alexander E, Mathur R, Shivakumar PN, Applied Mathematics and Computation, 1/1/2007
• Prevalence of fibromyalgia in growth hormone deficient adults  
  Hallegua DS, Wallace DJ, Silverman S, Bonert V, Mathur R, Klinenberg JR, J Mucsuloskel Pain, 1/1/2001
• The role of Autonomic Neuropathy on Proximal Gastric Motor Activity in type 1 Diabetes  
  Mathur R, Lin HC, Advances in Gastroenterology, Hepatology and Clinical Nutrition, 1/1/1998
• Novel Therapeutic strategies for treatment of type 2 diabetes  
  Perfetti R, Barnett PB, Mathur R, Egan JM, Diabetes Metabolism and Reviews, 1/1/1998
• New Insulin Secretagogues for the Treatment of type 2 Diabetes  
  Perfetti R, Mathur R, Egan JM, Disease Management and Clinical Outcomes, 1/1/1998
• Gynecomastia: Pathomechanisms and treatment strategies  
  Mathur R, Braunstein GD, Journal of Hormone Research, 1/1/1997
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Books/Book Chapters

• Nutritional and Therapeutic Interventions for Diabetes and Metabolic Syndrome 
  Chapter: Overview on the Roles of the Gut Microbiome in Obesity and Diabetes. 
  Barlow G, Lin EA, Mathur REditors: Bagchi D, Nair S.Elsevier, New York, NY, USA, 2018Edition 2,
• The Clinicians Guide to the Treatment of Obesity. 
  Chapter: The Health Burden of Obesity. (Chapter 2) 
  Lin EA, Barlow GM, Mathur REditors: Youdim A.Springer Publications, Haddenfield, NJ2015
• Obstetrics and Gynecology Women’s Health Review: A Clinical Update 
  Chapter: Women’s Endocrine Disorders (Chapter 51) 
  Alexander CJ, Yuan P, Mathur REditors: DuSaia PJ, Chaudhuri G, Giudice LC, Moore TR, Porto M, Smith LH.Elsevier Saunders, Philadelphia, PA2012
• Essentials of Obstetrics and Gynecology 
  Chapter: Amenorrhea, Oligomenorrhea and Hyperandrogenic Disorders. 
  Alexander CJ, Mathur R, Azziz RAEditors: Neville F Hacker, and Joseph C Gambone.Elsevier Saunders, Philadelphia, PAEdition 5th,2009
• Webster’s New World: Medical dictionary 
  Editors: Shiel, WC, Stoppler, MC CoEditors in Chief. Lee, D, Marks, JW, and Mathur, R, Assistant editors.Wiley Publishing, Inc., Hoboken , NJEdition 3rd,2008
• Davidson’s Diabetes Mellitus: Diagnosis and Treatment 
  Editors: R. Mathur and A.L Peters.W.B. Saunders Co, Philadelphia, PAEdition 5th,2004
• Hypertension and Diabetes, Vol. 1 
  Chapter: Diabetes Mellitus and Cardiovascular Disease: Definitions, Diagnosis, and Classification. 
  Page 3 - 13Mathur R, Harmel ALPEditors: Carl E. Mogensen.Lippincott, Williams and Wilkins, London, United Kingdom2002
• Polycystic Ovary Syndrome 
  Chapter: Environmental factors in polycystic ovary syndrome: are there plausible cause-and-effect hypotheses? 
  Page 287 - 305Hughes C L, Mathur R, Geller DEditors: Chang RJ, Heindel JJ, Dunaif A.Marcel Dekker, Inc, New York, NY2002
• Clinical Diabetes Mellitus: A Problem Oriented Approach 
  Chapter: Living with Diabetes- Pyschosocial Implications. 
  Harris M, Mathur REditors: JK Davidson.Thieme Medical Publishers, New York, NYEdition 3rd,1999
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Abstracts/Posters

• A large scale evaluation of the small intestinal microbiome in subjects on proton pump inhibitors
  Weitsman S, Leite G, Celly S, Morales W, Sanchez M, Parodi G, Villanueva-Millan MJ, Sedighi R, Chang C, Mathur R, Rezaie A, Pimentel M., Digestive Disease Week 2019, #979
• Pattern of Hydrogen and Methane Production by Gut Microbiome in Non-Alcoholic Fatty Liver Disease (NAFLD): A Large-Scale Matched Case-Control Study.
  Pandyarajan V, Noureddin M, Pimentel Mark, Mathur R, Lin E, Chua KS, Solomon JS, Rezaie A., Digestive Disease Week 2018, #Tu 1518
• The Non-Absorbable Antibiotic Rifaximin Exhibits Weight Neutrality in the Host
  Morales W, Leite G, Weitsman S, Celly S, Schultz H, Do H, Parodi G, Singer-Englar T, Barlow G, Pimentel M, Mathur R., Digestive Disease Week 2018, #Su1986
• Improvements in Metabolic Parameters in Prediabetic Subjects with Obesity Following Methane Eradication is Associated with Reduction in Methanogens and Changes in Gut ...
  Leite G, Ilhan Z, Morales W, Barlow G, Chua KS, Weitsman S, Pimentel M, Krajmalnik-Brown R, Mathur R., Digestive Disease Week 2018, #Tu 1929
• Eradication of Breath Methane Using Antibiotics Result in Changes in Short Chain Fatty Acid Level in Prediabetic Subjects with Obesity
  Barlow G, Ilhan Z, Morales W, Chua KS, Weitsman S, Pimentel M, Krajmalnik-Brown R, Mathur R., Digestive Disease Week 2018, Oral Presentation - #749
• Gastrointestinal (GI) Symptoms Associated with Excessive Intestinal Methane Production in the Pediatric Population: A Large Database Analysis
  Chang BW, Mathur R, Pimentel M, Singh N, Chua KS, Lin E, Rezaie A, Digestive Disease Week 2016, #Tu1750
• Revealing the entire intestinal microbiota and its associations to the genetic, immunologic, and neuroendocrine ecosystems: methodology for the REIMAGINE study.
  Sedighi R, Mathur R, Celly S, Chang C, Leite G, Weitsman S, Morales W, Rezaie A, Enjily A, Chua KS, Singer-Englar T, Chatterjee C, Pimentel M, Digestive Disease Week 2019, #Sa1912
• First large scale study defining the characteristic microbiome signatures of small intestinal bacterial overgrowth (SIBO): detailed analysis from the REIMAGINE study.
  Leite G, Villanueva-Millan MJ, Celly S, Sedighi R, Morales W, Rezaie A, Weitsman S, Mathur R, Parodi G, Kumar M, Sanchez M, Chua KS, Chang C, Singer-Englar T, Pimentel M, Digestive Disease Week 2019, #4
• Intestinal methane production is associated with decreased weight loss following RYGB and Gastric Sleeve.
  Mathur R, Mundi M, Chua K, Lorentz P, Lin E, Burch M, Cunneen S, Youdim A, Pimentel M, Endocrine Society, 1/1/2015
• Ethnic Diversity of Relationship between Beta Cell Function and Pancreatic Triglyceride levels .
  Szczpaniak L, Mathur R, Lingvay I, Szczpaniak E, ADA, 1/1/2014
• Eradication of methane on breath test and reduction in intestinal M. Smithii results in improved insulin sensitivity and lipid profiles in pre-diabetes obese subjects .
  Mathur R, Chua K, Morales W, Stefanovski D, Barlow G, Weitsman S, Bergman R Pimentel M, ADA, 1/1/2014
• Diastolic dysfunction is temporally dissociated from myocardial steatosis in man.
  Nelson MD, Victor RG, Smith L, Szczpaniak EW, Mathur R, Bergman RN, Szczpaniak LS, ISMRM, 1/1/2014
• Butrient and taste sensing seven transmembrane receptors are present in human intestinal enteroendocrine L cells as potential modulators of gut hormone signaling.
  Abrol D, Morvaridi Kharagh S, Hui H, Mathur R, Pimentel M, Pandol S, DDW, 1/1/2014
• Obesity Associated Increase in Fasting Insulin is Responsible for Decreased Hepatic Glucokinase Activity in Women.
  Stefanovski D, Mathur R, Bergman RN, ADA Late Breaking, 1/1/2013
• Introduction of enteric methanogens reduces intestinal transit and alters oral glucose tolerance.
  Deepinder F, Weitsman S, Rooks E, Morales W, Marsh Z, Kim G, Chang C, Pimentel M, Mathur R, DDW, 1/1/2013
• Intestinal Methane and Hydrogent Production on Breath Testing is Predictive of Higher BMI and Percent Body Weight in a Large Scale Prospective Study.
  Mathur R, Amichai M, Chua KA, Chang C, Barlow G, Pimentel M, ADA, 1/1/2012
• Ethnic Disparity of pancreatic triglyceride levels- implications for type 2 diabetes development.
  Szepaniak LS, Mathur R, Nelson MD, Chen YI, Victor RG, Lingvay I, Society for Magnetic Resonance in Medicine - ISMRM, 1/1/2012
• Methanobrevibactersmithii is highly prominent in the small bowel of rats.
  Kim GM, Rooks E, Weitsman S, Mathur R, Chang C, Pimentel M, DDW, 1/1/2012
• Concomitant methane and hydrogen production in humans is associated with a higher body mass index.
  Mathur R, Amichai MA, Mirocha J, Basseri R, Chua K, Chang C, Pimentel M, DDW, 1/1/2011
• Methane-producing subjects have higher serum glucose levels during oral glucose challenge than non-methane producers.
  Deepinder F, Pimentel M, Mathur R, DDW, 1/1/2011
• Dietary fat content influences the natural colonization of Sprague-Dawley rats with Methanobrevibacter smithii.
  Kim G, Mathur R, Sung J, Weitsman S, Chang C, Pimentel M, DDW, 1/1/2011
• Intestinal methane rpoduction in obests humans is associated with higher body mass index.
  Basseri, B, Basseri R, Chong K, Youdim A low K, Hwang L, Mathur R, Khalili T, Peraino A, Chang C, Pimentel M, American College of Gastroenterology annual meeting, 1/1/2010
• Validation of assays for isolating and measureing androgens in stool.
  Mathur R, Weitsman S, Salameh W, Clarke N, Pall M, Morales W, Pokkunuri V, Reitz R, Chua KS, Chang C, Azziz R, Pimentel M, Endocrine Society, 1/1/2010
• Steroidogenic regulatory factor C-FOS is Underexpressed in polycystic ovary syndrome (PCOS) adipose tissue and genetically associated with PCOS susceptibility.
  Jones MR, Chazenbalk G, Taylor KD, Wang C, Chen YH , Xu J , Lee JM, Mathur R, Pall M, Azziz R Goodarzi MO, Endocrine Society, 1/1/2010
• Fecal androgens in women with and without polycystic ovary syndrome (PCOS).
  Mathur R, Ko A, Hwang L, Low K, Morales W, Pall M, Pokunurri V, Azziz R, Pimentel M, Endocrine Society, 1/1/2009
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Lectures

• Introduction to the small bowel microbiome 
  IX International GI Motility Course - Bogota, Columbia - 11/16/2019
• Gastrointestinal Microbiome in Obesity and Diabetes 
  IX International GI Motility Course - Bogota Columbia - 11/15/2019
• The role of Tech Transfer and Science 
  Cedars-Sinai Medical Center - 2/27/2019
• How Bacteria influence Obesity and Metabolic Syndrome 
  Gut Microbiome Regional Meeting - Dallas Texas - 1/12/2019
• Being a Woman in Science- My Experience 
  Association for Women in Science - Los Angeles, CA - 5/8/2018
• Microbiome and Functional Bowel Disease 
  NASA Jet Propulsion Lab/Caltech lecture - Los Angeles, CA - 3/7/2017
• Is your gut microbiome priming you for Obesity? 
  Bogota, Colombia - 1/11/2017
• Diabetes and the Gut 
  Bogota, Colombia - 1/10/2017
• Diabetes. 
  Cedars Sinai Medical Center - 1/7/2017
• Microbiome and Functional Bowel Disease 
  1/7/2017
• Infertility 
  1/6/2017
• Diabetes and oral therapy 
  1/3/2017
• Didactic teaching session to primary care residents. 
  Cedars Sinai Medical Center - 1/28/2016
• The Microbiome: Possible contributions to Diabetes and Obesity. 
  Cedars-Sinai Medical Center, Los Angeles - 1/18/2016
• Obesity and the Microbiome. 
  Cedars Sinai Medical Center - 1/5/2016
• Introduction to the Microbiome. 
  Cedars Sinai Medical Center - 1/5/2016
• Do Antibiotics cause Obesity? 
  Cedars Sinai Medical Center - 1/5/2016
• Obesity and the Microbiome 
  Huntington Beach, CA - 1/26/2015
• Microbes and Metabolism Update 
  Cedars-Sinai Medical Center - 1/26/2015
• Microbes and Metabolism. 
  Pasedena, CA - 1/19/2015
• Possible Contributions ot the Microbiome to Obesity and Diabetes 
  Cedars-Sinai Medical Center - 1/18/2015
• Microbe-sity 
  Newport Beach, CA - 1/11/2015
• Impact of the gut Microbiota on Obesity and Diabetes. 
  Carolina, Puerto Rico - 1/10/2015
• Metabolic Effects of the Gastrointestinal Microbiome 
  Hospital Universitario San Ignacio, Bogota, Colombia - 1/29/2014
• Metabolic Effects of the Microbiome. 
  Chicago, IL - 1/22/2014
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Other

• Requested Review of Kostic AD et al The Dynamics of Human Infant Gut Microbiome in the Development and Progression towardsType 1 Diabetes (cell Host Microbe 2015,17) 
  Mathur R, Endocrinology Today
  1/1/2015
• Expert commentary on: "The lack of utility of circulating biomarkers of inflammation and endothelial dysfunction for type 2 diabetes risk prediction among post menopau... 
  Yuan P, Mathur R, North American Menopause Society, First to Know Series
  1/22/2010
• Expert commentary on the Lack of circulating biomarkers for type 2 diabetes risk prediction in the WHI Observational Study. 
  Yuan P Mathur R, North American Menopause Society, First to Know Series
  1/11/2010
• Expert commentary on: “The Kuopio osteoporosis risk factor and prevention study” 
  Mathur R, Braunstein G, North American Menopause Society, First to Know Series
  1/1/2009
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