MaureenMichelleLeonardMDMMSc

PubMed

• Non-Host Factors Influencing Onset and Severity of Celiac Disease.
  Heather J Galipeau, Reinhard Hinterleitner, Maureen M Leonard, Alberto Caminero> ;Gastroenterology. 2024 Jan 28
• Novel Bacteroides Vulgatus strain protects against gluten-induced break of human celiac gut epithelial homeostasis: a pre-clinical proof-of-concept study.
  Tran, T., Senger, S., Baldassarre, M., Brosnan, R., Cristofori, F., Crocco, M., De Santis, S., Elli, L., Faherty, C., Francavilla, R., Goodchild-Michelman, I., Kenyon,...> ;Pediatric Research. 2024 Jan 4
• 1 citations
  Zonulin as a Biomarker for the Development of Celiac Disease.
  Valitutti, F., Kenyon, V., Locascio, J., Montuori, M., Francavilla, R., Passaro, T., Crocco, M., Norsa, L., Piemontese, P., Baldassarre, M., , DaFonte, T., Fasano, A.,...> ;Pediatrics. 2024 Jan 1
• Nutrition and risk of celiac disease - you are what you (wh)eat.
  Leonard, M., Olshan, K.> ;The American Journal of Clinical Nutrition. 2023 Dec 1
• 2 citations
  Letter to the Editor in Response to ACG Guidelines Update: Diagnosis and Management of Celiac Disease.
  Lisa Fahey, Edward Hoffenberg, Maureen M Leonard, Nasim Sabery Khavari, Jocelyn Silvester, Marisa G Stahl> ;The American Journal of Gastroenterology. 2023 Nov 1
• 1 citations
  Low Levels of Detectable Urine and Stool GIPs in Children with Celiac Disease on a Gluten-Free Diet.
  Maxwell Horton, Elizabeth Gleeson, Stephanie Regis, Taylor Morson, Zackary J Hintze, Maureen M Leonard, Jocelyn A Silvester, Olshan, K.> ;JPGN Reports. 2023 Aug 1
• The Spectrum of Duodenal Histologic Findings in Patients With Trisomy 21: A Multicenter Study.
  Erin Alexander, Marisa Stahl, Amy Weaver, Janaki Devara, Lisa M Fahey, Arunjot Singh, Maureen M Leonard, Vanessa Weisbrod, Mary Shull, Jocelyn Silvester, Zachary Krame...> ;Journal of Pediatric Gastroenterology and Nutrition. 2023 Aug 1
• No Increased Risk of Taking Additional Intestinal Mucosal Research Biopsies From the Duodenum During Pediatric Endoscopy.
  Tracey M DaFonte, Elizabeth Gleeson, Taylor Morson, Christopher J Moran, Maureen M Leonard, Katherine L Olshan> ;Journal of Pediatric Gastroenterology and Nutrition. 2023 Apr 1
• 6 citations
  Early Antibody Dynamics in a Prospective Cohort of Children At Risk of Celiac Disease.
  Francesco Valitutti, Maureen M Leonard, Victoria Kenyon, Monica Montuori, Pasqua Piemontese, Ruggiero Francavilla, Basilio Malamisura, Lorenzo Norsa, Angela Calvi, Mar...> ;The American Journal of Gastroenterology. 2023 Mar 1
• 6 citations
  Cohort profile: Celiac disease genomic, environmental, microbiome and metabolome study; a prospective longitudinal birth cohort study of children at-risk for celiac di...
  Maureen M Leonard, Victoria Kenyon, Francesco Valitutti, Rita Pennacchio-Harrington, Pasqua Piemontese, Ruggiero Francavilla, Lorenzo Norsa, Tiziana Passaro, Marco Cro...> ;Plos One. 2023 Jan 1
• 1 citations
  Budesonide and the Gluten Containing Elimination Diet as Treatments for Non-responsive Celiac Disease in Children.
  Awab Ali Ibrahim, Victoria Kenyon, Alessio Fasano, Maureen M Leonard> ;Journal of Pediatric Gastroenterology and Nutrition. 2022 Nov 1
• 18 citations
  Estimating typhoid incidence from community-based serosurveys: a multicohort study.
  Kristen Aiemjoy, Jessica C Seidman, Senjuti Saha, Sira Jam Munira, Mohammad Saiful Islam Sajib, Syed Muktadir Al Sium, Anik Sarkar, Nusrat Alam, Farha Nusrat Zahan, Md...> ;The Lancet. Microbe. 2022 Aug 1
• 23 citations
  Innate lymphoid cells and COVID-19 severity in SARS-CoV-2 infection.
  Noah J Silverstein, Yetao Wang, Zachary Manickas-Hill, Claudia Carbone, Ann Dauphin, Brittany P Boribong, Maggie Loiselle, Jameson Davis, Maureen M Leonard, Leticia Ku...> ;Elife. 2022 Mar 11
• Reply to Chen and Vitetta: Unraveling the complex interactions among organisms in the microbiome is necessary to identify unique signatures predicting CD onset.
  Maureen M. Leonard, Rita R. Colwell, Alessio Fasano> ;Proceedings of the National Academy of Sciences of the United States of America. 2021 Oct 12
• Characterization of the blood microbiota in children with Celiac disease.
  Isha Mehrotra, Gloria Serena, Murat Cetinbas, Victoria Kenyon, Victoria M. Martin, Stephanie G. Harshman, Ali R. Zomorrodi, Ruslan I. Sadreyev, Alessio Fasano, Maureen...> ;Current Research in Microbial Sciences. 2021 Aug 30
• 57 citations
  Microbiome signatures of progression toward celiac disease onset in at-risk children in a longitudinal prospective cohort study.
  Maureen M. Leonard, Francesco Valitutti, Hiren Karathia, Meritxell Pujolassos, Victoria Kenyon, Brian Fanelli, Jacopo Troisi, Poorani Subramanian, Stephanie Camhi, Ang...> ;Proceedings of the National Academy of Sciences of the United States of America. 2021 Jul 20
• 9 citations
  Microbiota and Metabolomic Patterns in the Breast Milk of Subjects with Celiac Disease on a Gluten-Free Diet.
  Ali R. Zomorrodi, Meritxell Pujolassos, Jacopo Troisi, Nayeim Khan, Brian Fanelli, Victoria Kenyon, Alessio Fasano, Maureen M. Leonard> ;Nutrients. 2021 Jun 29
• 35 citations
  AGA Clinical Practice Update on the Evaluation and Management of Seronegative Enteropathies: Expert Review
  Maureen M. Leonard, Benjamin Lebwohl, Alberto Rubio-Tapia, Federico Biagi> ;Gastroenterology. 2021 Jan 1
• 43 citations
  Evaluating Responses to Gluten Challenge: A Randomized, Double-Blind, 2-Dose Gluten Challenge Trial.
  Maureen M. Leonard, Jocelyn A. Silvester, Daniel A. Leffler, Alessio Fasano, Ciaran P. Kelly, Suzanne K. Lewis, Jeff Goldsmith, Elliot Greenblatt, William W. Kwok, Wil...> ;Gastroenterology. 2021 Feb 1
• 16 citations
  Gut microbiota in Celiac Disease: microbes, metabolites, pathways and therapeutics
  Katherine L Olshan, Maureen M. Leonard, Gloria Serena, Ali R. Zomorrodi, Alessio Fasano> ;Expert Review of Clinical Immunology. 2020 Dec 27
• 44 citations
  Multi-omics analysis reveals the influence of genetic and environmental risk factors on developing gut microbiota in infants at risk of celiac disease.
  Maureen M. Leonard, Hiren Karathia, Meritxell Pujolassos, Jacopo Troisi, Francesco Valitutti, Poorani Subramanian, Stephanie Camhi, Victoria Kenyon, Angelo Colucci, Gl...> ;Microbiome. 2020 Sep 11
• 2 citations
  Screening for celiac disease among children with overweight and obesity: toward exploring celiac iceberg.
  Valeria Calcaterra, Corrado Regalbuto, Matteo Manuelli, Catherine Klersy, Gloria Pelizzo, Riccardo Albertini, Federica Vinci, Daniela Larizza, Maureen M. Leonard, Hell...> ;Journal of Pediatric Endocrinology & Metabolism. 2020 Jul 13
• 9 citations
  Enteric-Release Budesonide May Be Useful in the Management of Non-Responsive Celiac Disease
  Amelie Therrien, Jocelyn A. Silvester, Maureen M. Leonard, Daniel A. Leffler, Alessio Fasano, Ciaran P. Kelly> ;Digestive Diseases and Sciences. 2021 Jun 1
• 1 citations
  Case 1-2020: An 11-Year-Old Boy with Vomiting and Weight Loss
  Alessio Fasano, Maureen M. Leonard, Deborah M. Mitchell, George Eng> ;The New England Journal of Medicine. 2020 Jan 8
• 24 citations
  Intestinal Epithelium Modulates Macrophage Response to Gliadin in Celiac Disease
  Gloria Serena, Daniel Huynh, Rosiane Lima, Luciana Marcela Vise, Rachel Freire, Laura A. MacKenzie Ingano, Maureen M. Leonard, Stefania Senger, Alessio Fasano> ;Frontiers in Nutrition. 2019 Nov 5
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Journal Articles

• Screening for Celiac Disease in a Pediatric Primary Care Setting  
  Leonard, Maureen M., et al, Clinical Pediatrics, 1/1/2015
• Managing coeliac disease in patients with diabetes  
  Leonard, M. M., Cureton, P. A., & Fasano, A., Diabetes, Obesity and Metabolism, 1/1/2015
• Genetics and celiac disease: the importance of screening  
  Leonard, M. M., Serena, G., Sturgeon, C., & Fasano, A., Expert Review of Gastroenterology & Hepatology, 1/1/2015
• US perspective on gluten-related diseases  
  Leonard, M. M., & Vasagar, B, Clinical and Experimental Gastroenterology, 1/1/2014
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Books/Book Chapters

• Nutrition in the Prevention and Treatment of Disease 
  Chapter: Nutritional Considerations in the Management of Gluten Related Disorders 
  Page 893 - 909Leonard MM, Cureton P, Fasano AEditors: Coulston AM, Boushey CJ, Ferruzzi MG, Delahanty LM.Academic Press/Elsevier, LondonEdition 4th,2017
• Enfermedad Celiaca Y Sensibilidad Al Gluten 
  Chapter: The Gluten-Free Diet and Potential Therapeutic Alternatives for Celiac Disease 
  Page 111 - 136NE Castillo, Leonard MM, Leffler DA, Fassano AEditors: Bai JC, Olano C, Ciacci C.Elsevier Espana, Barcelona2015

Abstracts/Posters

• Pitfalls in Using HLA Data to Rule out Celiac Disease.
  Rabinowtiz S, Xu J, Schwarz S, Leonard MM, Word Congress of Pediatric Gastroenterology, Hepatology, and Nutrition, Montreal, Canada, 1/1/2016
• Haptoglobin-2 Gene Expression in Celiac Disease, Non-Celiac Gluten Sensitivity and Type 1 Diabetic Patients.
  Freire RH, Sapone A Sturgeon C, Camhi C, Shilpi P, Leonard MM, Fasano A, Word Congress of Pediatric Gastroenterology, Hepatology, and Nutrition, Montreal, Canada, 1/1/2016
• Genome, Environment, Microbiome, and Metabolome biomarkers leading to the development of Celiac Disease: A Multilevel Mediation-Moderation Statistical Modeling Approac...
  Huedo-Medina, T.B., Ph.D, Leonard, M. M., MD, Fasano, A., MD, Prague, Czech Republic, 1/1/2015
• CDGEMM Study Design: A Multi-Omic Approach To Uncover Factors Contributing to the Development of CD International Celiac Disease Symposium.
  Leonard, M. M., MD., Camhi, S., Huedo-Medina, T.B., Ph.D, Senger, S., Ph.D., Serena,G., Sturgeon, C., Fasano, A., MD, Prague, Czech Republic, 1/1/2015
• Autoimmunity in A High Risk Group: Building a Family-Based Model of Autoimmune Disease International Celiac Disease Symposium.
  Leonard, M. M., MD., Huedo-Medina, T.B., Ph.D, Camhi, S, Sturgeon, C., Fasano, A., MD, Prague, Czech Republic, 1/1/2015
• Accuracy of IgA tTG for Predicting Mucosal Healing in Children with Celiac Disease on a Gluten Free diet.
  Leonard MM, North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition, Washington, DC, 1/1/2015
• Autoimmunity in A High-Risk Group: Building a Family-Based Model of Autoimmune Disease
  Leonard MM, Huedo-Medina TB, Camhi S, Sturgeon C, Fasano A, International Celiac Disease Symposium, Prague, Czech Republic, 1/1/2015
• Presence Of Celiac Disease Associated Auto antibodies and Human Leukocyte Antigens DQ2/DQ8 In the Type-1 Diabetic Population and Their Relatives.
  Camhi, S., Sturgeon, C.; Leonard, M.; Addonizio, E.; Fasano, A., North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition, Atlanta, GA, 1/1/2014
• Prevalence of Celiac Disease in Children: A Single Center Experience.
  Leonard, M., Asch, A., Fogle, R.; Katz, A, North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition, Atlanta, GA, 1/1/2014
• Half a Heterodimer Is Enough to Increase Celiac Disease Susceptibility.
  Leonard, M., Cureton, P., McInnis, M.; Winter, HS.; Fasano, A, North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition, Atlanta, GA, 1/1/2014
• Adherence to the Gluten Contamination Elimination Diet Can Rule out Refractory Celiac Disease.
  Storto, M.; Leonard, M., Camhi, S., Cureton, P., McInnis, M.; Fasano, A., North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition, Atlanta, GA, 1/1/2014
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Lectures

• Celiac Disease: Back to the Future 
  1/1/2017
• Advances in Celiac Disease 
  1/1/2017
• Celiac Disease Clinical Care 
  1/1/2017
• The Myths and Facts of Gluten Related Disorders 
  1/1/2017
• Controversies in the Management of Pediatric Celiac Disease 
  1/1/2017
• Controversies in the Management of Pediatric Celiac Disease: Back to the Future 
  Las Vegas, NV - 1/1/2017
• Treatment of Gluten Related Disorders: The Gluten Free Diet and Novel Therapeutics on the Horizon 
  University of Pavia, Pavia, Italy - 1/1/2017
• Introduction to Gluten Related Disorders: Celiac Disease, Non-Coeliac Gluten Sensitivity, and Wheat Allergy 
  University of Pavia, Pavia, Italy - 1/1/2017
• Complications Associated with Celiac Disease 
  University of Pavia, Pavia, Italy - 1/1/2017
• Can We Use the Microbiome to Prevent Celiac Disease? 
  University of Pavia, Pavia, Italy - 1/1/2017
• Microbiome and Obesity 
  University of Bologna, Bologna, Italy - 1/1/2017
• Celiac Disease Screening in Patients with T1D and their Relatives 
  1/1/2016
• Updates in Celiac Disease 
  1/1/2016
• Value of IgA tTG in Predicting Mucosal Recovery in Children with Celiac Disease on a Gluten Free Diet 
  1/1/2016
• Updates in The Management of Pediatric Celiac Disease 
  MassGeneral for Children at North Shore Medical Center, Salem, MA - 1/1/2016
• Can We Use the Microbiome to Prevent Celiac Disease? The Facts, Fallacies, and Future of Gluten Related Disorders 
  Reading, MA - 1/1/2016
• The Microbiome as a Target to Prevent Celiac Disease 
  Carlton College, Northfield, MI - 1/1/2016
• Challenges in Pediatric Celiac Disease. From Predicting Mucosal Recovery to Preventing Celiac Disease 
  Baylor Children's Hospital, Houston, TX - 1/1/2016
• Eating Less Gluten. Why? How? Neipi Magazine: The Kitchen and Art of Living without Gluten 
  Bordeaux, France - 1/1/2016
• Diagnosing Celiac Disease and Whom to Screen 
  1/1/2015
• A 37-year-old woman with thyroid nodule and adult onset psychosis. 
  1/1/2015
• Pursuing Fellowship Training 
  Tufts Medical Center - 1/1/2014
• Celiac Disease 
  Tufts Medical Center - 1/1/2014
• Non-Responsive Celiac Disease 
  Harvard Medical School - 1/1/2013
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Other

• Do patients with celiac disease need probiotics? 
  Leonard MM, KevinMD.com
  http://www.kevinmd.com/blog/2017/01/patients-celiac-disease-need-probiotics.html
  1/1/2017
• When should you introduce gluten to your baby? 
  Leonard MM, KevinMD.com
  http://www.kevinmd.com/blog/2017/03/introduce-gluten-baby.html
  1/1/2017
• What is Pediatric Gastroenterology? 
  Leonard MM, Podcast, Specialty Stories, Medical School Headquarters (Available on iTunes)
  https://itunes.apple.com/us/podcast/specialty-stories-medical-school-headquarters-premed/id1171842065?mt=2
  1/1/2017
• Do You Need an MD/PhD to do Research as a Physician? 
  Leonard MM, Podcast, Premed Years, Medical School Headquarters (Available on iTunes)
  https://itunes.apple.com/us/podcast/premed-years-medical-school-headquarters-mcat-amcas/id583254241?mt=2
  1/1/2017
• One in Five Children with Celiac Disease May Not Respond to A Gluten Free Diet 
  Leonard MM, Huffington Post
  http://www.huffingtonpost.co.uk/maureen-leonard/gluten-free-diet-children_b_13531336.html
  1/1/2016
• Blood Test Results for Celiac Disease: What to Expect 
  Leonard MM
  http://www.massgeneral.org/children/celiac-disease/bloodtest-results.aspx
  1/1/2016
• Genetic Testing for Celiac Disease 
  Leonard MM
  http://www.massgeneral.org/children/celiac-disease/celiac-genetic-testing.aspx
  1/1/2016
• After your Patient's Blood Test Results: What to Expect 
  Leonard MM
  http://www.massgeneral.org/children/assets/pdf/gi-celiac-blood-test-results-providers.pdf
  1/1/2016
• Challenges in Celiac Disease - Identifying Accurate Surrogate Endpoints to Assess Mucosal Recovery. 
  Leonard MM, Master's Thesis, Clinical and Translational Investigation, Harvard Medical School
  https://dash.harvard.edu/handle/1/33799272
  Boston, MA - 1/1/2016
• Gluten Free Nutrition; On the Go 
  Leonard MM, Celiac Support Group Quarterly Newsletter
  Boston Children’s Hospital
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