Geoffrey A. Preidis, M.D., Ph.D.
Picture
Geoffrey A. Preidis, M.D., Ph.D.
Associate Professor
Positions
- Associate Professor
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Department of Pediatrics
Division of Gastroenterology, Hepatology & Nutrition
Baylor College of Medicine and Texas Children's Hospital
Houston, Texas United States
- Associate Director
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Medical Scientist Training Program (M.D./Ph.D.)
- Faculty
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Development, Disease Models & Therapeutics Graduate Program
- Faculty
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Immunology & Microbiology Graduate Program
- Faculty
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Clinical Scientist Training Graduate Program
Addresses
- Texas Children's Hospital (Hospital)
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6701 Fannin Street
Houston, TX 77030
United States
Phone: (832) 822-3131
gapreidi@texaschildrens.org
- Pediatric Gastroenterology, Hepatology & Nutrition Research Laboratory (Office)
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Texas Children's Hospital
Feigin Tower 860.24
Houston, TX 77030
United States
Phone: (832) 822-3617
Fax: (832) 825-4893
geoffrey.preidis@bcm.edu
- Pediatric Gastroenterology, Hepatology & Nutrition Research Laboratory (Lab)
-
Texas Children's Hospital
Feigin Tower 860.01
Houston, TX 77030
United States
Phone: (832) 822-3617
Fax: (832) 825-4893
gp147834@bcm.edu
Education
- Clinical Fellowship at Baylor College of Medicine & Texas Children's Hospital
- 06/2018 - Houston, Texas United States
- Pediatric Gastroenterology, Hepatology & Nutrition
- Residency at Baylor College of Medicine & Texas Children's Hospital
- 06/2014 - Houston, Texas United States
- Pediatrics
- Internship at Baylor College of Medicine & Texas Children's Hospital
- 06/2013 - Houston, Texas United States
- Pediatrics
- MD from Baylor College Of Medicine
- 05/2012 - Houston, Texas United States
- PhD from Baylor College of Medicine
- 02/2011 - Houston, Texas United States
- Translational Biology and Molecular Medicine
- AB from Harvard University
- 06/2003 - Cambridge, Massachusetts United States
- Physics, cum laude
Certifications
- Medical License
- Texas Medical Board
- Board Certification - General Pediatrics
- American Board of Pediatrics
- Board Certification - Pediatric Gastroenterology
- American Board of Pediatrics
Professional Interests
- Neonatal Gastroenterology, Hepatology & Nutrition
- Sex Differences in Nutritional Physiology
- Gut Microbiome and Probiotics
- Neurogastroenterology and Motility
- Liver and Intestinal Physiology
- Undernutrition
- Bile Acids
- Nuclear Hormone Receptors
- Postnatal Growth Failure
Professional Statement
Our goal is to define mechanisms through which early life undernutrition alters metabolism and to determine how undernutrition influences intestinal and liver function. Undernutrition causes acute medical problems, but also long term health problems that may result from permanent epigenetic changes that alter transcription or via changes in the gut microbiome. Current studies focus on how malnutrition alters hepatic secretion, transcriptional programming, gastrointestinal motility, and host-microbiome interactions to impact growth. Our work is pertinent to those suffering from nutritional deficiencies caused by a wide range of medical and socioeconomic factors, including preterm and underweight newborns in the neonatal intensive care unit, adolescents with anorexia nervosa, and children with severe acute malnutrition in the developing world.Websites
Selected Publications
- Dike PN, Soni KG, Chang DS, Preidis GA. "Bile acids differentially regulate longitudinal smooth muscle contractility in everted mouse ileum." FASEB Bioadv. 2024;in press.
- Britton RA, Verdu EF, Di Rienzi SC, Reyes Munoz A, Tarr PI, Preidis GA. "Taking microbiome science to the next level: recommendations to advance the emerging field of microbiome-based therapeutics and diagnostics." Gastroenterology. 2024;in press. Pubmed PMID: 38815708
- Chang DS, Soni KG, Preidis GA. "Smooth muscle contractile responses to bile acids in mouse ileum require TGR5 but not ASBT." Front Neurol. 2024;15:334319. Pubmed PMID: 38721114
- Patel H, Harris RA, Qian JH, Oezguen N, Watson A, Szigeti RG, Cho S, Ruan W, Britto S, Opekun A, Preidis G, Kellermayer R. "Genetic variation between small bowel and colon predominant Crohn disease." Cell Mol Gastroenterol Hepatol. 2024;17:1069-1071. Pubmed PMID: 38369131
- Adeniyi-Ipadeola GO, Hoffman KL, Yang H, Javornik Cregeen SJ, Preidis GA, Ramani S, Hair AB. "Human milk cream alters intestinal microbiome of preterm infants: a prospective cohort study." Pediatr Res. 2024;95:1564-1571. Pubmed PMID: 38228744
- McFarland LV, Hecht G, Sanders ME, Goff DA, Goldstein EJC, Hill C, Johnson S, Kashi MR, Kullar R, Marco ML, Merenstein DJ, Millette M, Preidis GA, Quigley EMM, Reid G, Salminen S, Sniffen JC, Sokol H, Szajewska H, Tancredi DJ, Woolard K. "Recommendations to improve quality of probiotic systematic reviews with meta-analyses." JAMA Netw Open. 2023;6:e2346872. Pubmed PMID: 38064222
- Edwards PT, Soni KG, Conner ME, Fowler SW, Foong JPP, Stavely R, Cheng LS, Preidis GA. "Site-specific pathophysiology in a neonatal mouse model of gastroparesis." Neurogastroenterol Motil. 2023;35:e14676. Pubmed PMID: 37772676
- Preidis GA. "Nutrition-associated disease." Manson's Tropical Diseases, 24th Edition. Farrar J, Garcia PJ, Hotez PJ, Junghanss T, Kang G, Lalloo D, White NJ, Eds. 2023;1161-1177.
- Shane AL, Preidis GA. "Probiotics in the neonatal intensive care unit—a framework for optimizing product standards." JAMA Pediatr. 2023;177(9):879-880. Pubmed PMID: 37428483
- Neves LL, Hair AB, Preidis GA. "A systematic review of associations between gut microbiota composition and growth failure in preterm neonates." Gut Microbes. 2023;15:2190301. Pubmed PMID: 35881959
- Lynch LE, Hair AB, Soni KG, Yang H, Gollins LA, Narvaez-Rivas M, Setchell KDR, Preidis GA. "Cholestasis impairs gut microbiota development and bile salt hydrolase activity in preterm neonates." Gut Microbes. 2023;15:2183690. Pubmed PMID: 36843227
- Merenstein D, Pot B, Leyer G, Ouwehand AC, Preidis GA, Elkins CA, Hill C, Lewis ZT, Shane AL, Zmora N, Petrova MI, Collado MC, Morelli L, Montoya GA, Szajewska H, Tancredi DJ, Sanders ME. "Emerging issues in probiotic safety: 2023 perspectives." Gut Microbes. 2023;15:2185034. Pubmed PMID: 36919522
- Holzapfel LF, Hair AB, Preidis GA, Halder T, Yang H, Unger JP, Freedman S, Martin, CR. "Fecal elastase in preterm infants to predict growth outcomes." J Pediatr Gastroenterol Nutr. 2023;76:206-212. Pubmed PMID: 36705701
- Preidis GA, Chumpitazi BP, Shulman RJ. "The microbiome in neurogastroenterology." In: Pediatric Neurogastroenterology. 2022;Springer Nature Switzerland AG(Faure C, Thapar N, Di Lorenzo C, Eds.):80-100.
- Preidis GA. "Rational probiotic strain selection to prevent necrotizing enterocolitis." J Pediatr Gastroenterol Nutr. 2022;75(4):387-388. Pubmed PMID: 35881959
- Suh JH, Kim KH, Conner ME, Moore DD, Preidis GA. "Hepatic PPARα is destabilized by SIRT1 deacetylase in undernourished male mice." Front Nutr. 2022;9:831879. Pubmed PMID: 35419389
- Patterson GT, Osorio EY, Peniche A, Dann SM, Cordova E, Preidis GA, Suh JH, Ito I, Saldarriaga OA, Loeffelholz M, Ajami NJ, Travi BL, Melby PC. "Pathologic inflammation in malnutrition is driven by proinflammatory intestinal microbiota, large intestine barrier dysfunction, and translocation of bacterial lipopolysaccharide." Front Immunol. 2022;13:846155.
- Amato KR, Arrieta MC, Azad MB, Bailey MT, Broussard JL, Bruggeling CE, Claud EC, Costello EK, Davenport ER, Dutilh BE, Ewald HAS, Ewald P, Hanlon EC, Keshavarzian A, Maurice CF, Miller G, Preidis GA, Segurel L, Singer B, Subramanian S, Julion W, et al. "The human gut microbiome and health inequities." Proc Natl Acad Sci USA. 2021;118:e2017947118. Pubmed PMID: 34161260
- Preidis GA, Su GL, Morgan RL. "Reply to Letters to the Editor on Probiotic Guidelines." Gastroenterology. 2021;160:2633-5. Pubmed PMID: 33639156
- Preidis GA, Soni KG, Suh JH, Halder T, Kim KH, Choi JM, Li F, Devaraj S, Conner ME, Coarfa C, Jung SY, Moore DD. "Coagulopathy in malnourished mice is sexually dimorphic and regulated by nutrient‐sensing nuclear receptors." Hepatol Commun. 2020;4(12):1835-1850. Pubmed PMID: 33305154
- Soni KG, Dike PN, Suh JH, Halder T, Edwards PT, Foong JPP, Conner ME, Preidis GA. "Early‐life malnutrition causes gastrointestinal dysmotility that is sexually dimorphic." Neurogastroenterol Motil. 2020;32(12):e13936. Pubmed PMID: 33021011
- Edwards PT, Kashyap PC, Preidis GA. "Microbiota on biotics: probiotics, prebiotics, and synbiotics to optimize growth and metabolism." Am J Physiol Gastrointest Liver Physiol. 2020;319:G382-390. Pubmed PMID: 32755308
- Pammi M, Preidis GA, Tarnow-Mordi WO. "Evidence from systematic reviews of randomized trials on enteral lactoferrin supplementation in preterm neonates." Biochem Cell Biol. 2021;99:20-24. Pubmed PMID: 32721215
- Morgan RL, Preidis GA, Kashyap PC, Weizman AV, Sadeghirad B. "Probiotics reduce mortality and morbidity in preterm, low birth weight infants: a systematic review and network meta-analysis of randomized trials." Gastroenterology. 2020;159:467-480. Pubmed PMID: 32592699
- Preidis GA, Weizman AV, Kashyap PC, Morgan RL. "AGA technical review on the role of probiotics in the management of gastrointestinal disorders." Gastroenterology. 2020;159:708-738. Pubmed PMID: 32531292
- Su GL, Ko CW, Bercik P, Morgan RL, Weizman AV, Kashyap P, Preidis GA. "Spotlight: probiotics guidelines." Gastroenterology. 2020;159:707. Pubmed PMID: 32738195
- Soni KG, Halder T, Conner ME, Preidis GA. "Sexual dimorphism in upper gastrointestinal motility is dependent on duration of fast, time of day, age, and strain of mice." Neurogastroenterol Motil. 2019;31:e13654. Pubmed PMID: 31157504
- Ford SL, Lohmann P, Preidis GA, Gordon PS, O'Donnell A, Hagan J, Venkatachalam A, Balderas M, Luna RA, Hair AB. "Improved feeding tolerance and growth are linked to increased gut microbial community diversity in very-low-birth-weight infants fed mother's own milk compared with donor breast milk." Am J Clin Nutr. 2019;109:1088-1097. Pubmed PMID: 30982856
- Shin A, Preidis GA, Shulman R, Kashyap PC. "The gut microbiome in adult and pediatric functional gastrointestinal disorders." Clin Gastroenterol Hepatol. 2019;17:256-274. Pubmed PMID: 30153517
- Thaxton GE, Melby PC, Manary MJ, Preidis GA. "New insights into the pathogenesis and treatment of malnutrition." Gastroenterol Clin North Am. 2018;47:813-827. Pubmed PMID: 30337034
- Alves da Silva AV, de Castro Oliveira SB, Di Rienzi SC, Brown-Steinke K, Dehan LM, Rood JK, Carreira VS, Le H, Maier EA, Betz KJ, Aihara E, Ley RE, Preidis GA, Shen L, Moore SR. "Murine methyl donor deficiency impairs early growth in association with dysmorphic small intestinal crypts and reduced gut microbial community diversity." Curr Dev Nutr. 2018;3:nzy070. Pubmed PMID: 30643852
- Preidis GA, Kim KH, Moore DD. "Nutrient-sensing nuclear receptors PPARα and FXR control liver energy balance." J Clin Invest. 2017;127:1193-1201. Pubmed PMID: 28287408
- Velly H, Britton RA, Preidis GA. "Mechanisms of cross-talk between the diet, the intestinal microbiome, and the undernourished host." Gut Microbes. 2017;8:98-112. Pubmed PMID: 27918230
- Preidis GA, Chumpitazi BP, Shulman RJ. "The microbiome in neurogastroenterology." In: Pediatric Neurogastroenterology. 2017;Springer International Publishing, Switzerland(Faure C, Thapar N, Di Lorenzo C, Eds.):53-70.
- Preidis GA, Ajami NJ, Wong MC, Bessard BC, Conner ME, Petrosino JF. "Microbial-derived metabolites reflect an altered intestinal microbiota during catch-up growth in undernourished neonatal mice." J Nutr. 2016;146:940-8. Pubmed PMID: 27052538
- Preidis GA, Chiou EH. "Non-peptide neurotransmitters that modulate GI motility." In: The NASPGHAN Fellows’ Concise Review of Pediatric Gastroenterology, Hepatology and Nutrition - Second Edition. 2017;NASPGHAN, Ambler, PA(Li BUK, Hurtado CW, Eds.):655-59.
- Preidis GA, Leung DH. "Bilirubin metabolism and jaundice." In: The NASPGHAN Fellows’ Concise Review of Pediatric Gastroenterology, Hepatology and Nutrition - Second Edition. 2017;NASPGHAN, Ambler, PA(Li BUK, Hurtado CW, Eds.):353-57.
- Preidis GA, Luna RA, Hollister EB, Schady D, Finegold MJ, Versalovic J, Shulman RJ. "The mucosal microbiota in a young child with severe non-Helicobacter gastritis." Therap Adv Gastroenterol. 2016;9(5):749-51. Pubmed PMID: 27582889
- Preidis GA, Ajami NJ, Wong MC, Bessard BC, Conner ME, Petrosino JF. "Composition and function of the undernourished neonatal mouse intestinal microbiome." J Nutr Biochem. 2015;26:1050-7. Pubmed PMID: 26070414
- Preidis GA, Hotez PJ. "The newest "omics"-metagenomics and metabolomics-enter the battle against the neglected tropical diseases." PLoS Negl Trop Dis. 2015;9:e0003382. Pubmed PMID: 25675250
- Ahmed S, Kim MH, Dave AC, Sabelli R, Kanjelo K, Preidis GA, Giordano TP, Chiao E, Hosseinipour M, Kazembe PN, Chimbwandira F, Abrams EJ. "Improved identification and enrolment into care of HIV-exposed and -infected infants and children following a community health worker intervention in Lilongwe, Malawi." J Int AIDS Soc. 2015;18:19305. Pubmed PMID: 25571857
- LaCourse SM, Chester FM, Preidis G, McCrary LM, Maliwichi M, McCollum ED, Hosseinipour MC. "Lay-screeners and use of WHO growth standards increase case finding of hospitalized Malawian children with severe acute malnutrition." J Trop Pediatr. 2015;61:44-53. Pubmed PMID: 25477308
- LaCourse SM, Chester FM, Preidis G, McCrary LM, Arscott-Mills T, Maliwichi M, James G, McCollum ED, Hosseinipour MC. "Use of Xpert for the diagnosis of pulmonary tuberculosis in severely malnourished hospitalized Malawian children." Pediatr Infect Dis J. 2014;33:1200-2. Pubmed PMID: 25361410
- Finocchario-Kessler S, Gautney B, Khamadi S, Okoth V, Goggin K, Spinler J, Mwangi A, Kimanga D, Clark K, Olungae H, Preidis GA. "If you text them, they will come: Using the HIV Infant Tracking System to improve early infant diagnosis quality and retention in Kenya." AIDS. 2014;28:S313-21. Pubmed PMID: 24991904
- Perry SH, Swamy P, Preidis GA, Mwanyumba A, Motsa N, Sarero HN. "Implementing the Jadelle implant for women living with HIV in Swaziland: Concerns for drug interactions leading to unintended pregnancies." AIDS. 2014;28:791-3. Pubmed PMID: 24401645
- Preidis GA, Keaton MA, Campeau P, Bessard BC, Conner ME, Hotez PG. "The undernourished neonatal mouse metabolome reveals evidence of liver and biliary dysfunction, inflammation, and oxidative stress." J Nutr. 2014;144:273-81. Pubmed PMID: 24381221
- McCollum ED, Preidis GA, Maliwichi M, Olson D, McCrary M, Kazembe PN, van der Horst C, Hoffman I, Hosseinipour MC. "Clinical versus rapid molecular HIV diagnosis in hospitalized African infants: a randomized controlled trial simulating point-of-care infant testing." J Acquir Immun Defic Syndr. 2014;66:223-30. Pubmed PMID: 24326604
- Bjornstad, E, Preidis GA, Lufesi N, Olson D, Kamthunzi P, Hosseinipour M, McCollum ED. "Determining the quality of IMCI pneumonia care in Malawian children." Paediatr Int Child Health. 2014;34:29-36. Pubmed PMID: 24091151
- Olson D, Preidis GA, Milazi R, Spinler JK, Lufesi N, Mwansambo C, Hosseinipour MC, McCollum ED. "Task-shifting an inpatient triage, assessment and treatment programme improves the quality of care for hospitalised Malawian children." Trop Med Int Health. 2013;18:879-86. Pubmed PMID: 23600592
- Kim MH, Ahmed S, Preidis GA, Abrams EJ, Hosseinipour MC, Giordano TP, Chiao EY, Paul ME, Bhalakia A, Nanthuru D, Kazembe PN. "Low rates of mother-to-child HIV transmission in a routine programmatic setting in Lilongwe, Malawi." PLoS One. 2013;8:e64979. Pubmed PMID: 23741437
- Olson D, Davis NL, Milazi R, Miller W, Mwansambo C, Preidis GA, Hosseinipour MC, McCollum ED. "Development of a severity of illness scoring system (inpatient triage, assessment and treatment) for resource-constrained hospitals in developing countries." Trop Med Int Health. 2013;18:871-8. Pubmed PMID: 23758198
- McCollum ED, Bjornstad E, Preidis GA, Hosseinipour MC, Lufesi N. "Multicenter study of hypoxemia prevalence and quality of oxygen treatment for hospitalized Malawian children." Trans R Soc Trop Med Hyg. 2013;107:285-92. Pubmed PMID: 23584373
- Preidis GA, McCollum ED, Garbino A, Kamiyango W, Hosseinipour MC, Kazembe PN, Schutze GE, Kline MW. "Routine inpatient provider-initiated HIV testing in Malawi, compared to client-initiated community-based testing, identifies younger children at higher risk of early mortality." J Acquir Immune Defic Syndr. 2013;63:e16-22. Pubmed PMID: 23364511
- Kim MH, Ahmed S, Buck WC, Preidis GA, Hosseinipour MC, Bhalakia A, Nanthuru D, Kazembe PN, Chimbwandira F, Giordano TP, Chiao EY, Schutze GE, Kline MW. "The Tingathe programme: a pilot intervention using community health workers to create a continuum of care in the prevention of mother to child transmission of HIV (PMTCT) cascade of services in Malawi." J Int AIDS Soc. 2012;15:1-11. Pubmed PMID: 22789644
- Preidis GA, Saulnier DM, Blutt SE, Mistretta TA, Riehle KP, Major AM, Venable SF, Barrish JP, Finegold MJ, Petrosino JF, Guerrant RL, Conner ME, Versalovic J. "Host response to probiotics determined by nutritional status of rotavirus-infected mice." J Pediatr Gastroenterol Nutr. 2012;55:299-307. Pubmed PMID: 22343914
- Preidis GA, Saulnier DM, Blutt SE, Mistretta TA, Riehle KP, Major AM, Finegold MJ, Petrosino JF, Conner ME, Versalovic J. "Probiotics stimulate enterocyte migration and microbial diversity in the neonatal mouse intestine." FASEB J. 2012;26:1960-9. Pubmed PMID: 22267340
- Preidis GA, McCollum ED, Mwansambo C, Kazembe PN, Schutze GE, Kline MW. "Pneumonia and malnutrition are highly predictive of mortality among African children hospitalized with human immunodeficiency virus infection or exposure in the era of antiretroviral therapy." J Pediatr. 2011;159:484-9. Pubmed PMID: 21489553
- McCollum ED, Preidis GA, Golitko C, Siwande LD, Mwansambo C, Kazembe PN, Hosseinipour MC, Schutze GE, Kline MW. "Routine inpatient human immunodeficiency virus testing system increases access to pediatric human immunodeficiency virus care in sub-Saharan Africa." Pediatr Infect Dis J. 2011;30:e75-81. Pubmed PMID: 21297520
- Thomas CM, Preidis GA, Versalovic J. "Mechanisms of immune enhancement by beneficial microbes and probiotics." Old Herborn University Seminars. 2011;24:83-94.
- Preidis GA, Hill C, Guerrant RL, Ramakrishna BS, Tannock GW, Versalovic J. "Probiotics, enteric and diarrheal diseases, and global health." Gastroenterology. 2011;140:8-14. Pubmed PMID: 21075108
- Preidis GA, Shapiro CD, Pierre I, Dyer MJ, Kozinetz CA, Grimes RM. "An effective, low-cost approach to implementing HIV/AIDS education programs in low literacy populations: An example from rural Haiti." J Health Care Poor Underserved. 2010;21:430-7. Pubmed PMID: 20453347
- McCollum ED, Preidis GA, Kabue MM, Singogo EBM, Mwansambo C, Kazembe PN, Kline MW. "Task shifting routine inpatient pediatric HIV testing improves program outcomes in urban Malawi: a retrospective observational study." PLoS One. 2010;5:e9626. Pubmed PMID: 20224782
- Preidis GA, Versalovic J. "Targeting the human microbiome with antibiotics, probiotics, and prebiotics: Gastroenterology enters the metagenomics era." Gastroenterology. 2009;136:2015-31. Pubmed PMID: 19462507
- Preidis GA, Huang HC, Lewis DE, Castellanos-Gonzalez A, Rogers KA, Ward HD, White AC. "Seropositive human subjects produce interferon gamma after stimulation with recombinant Cryptosporidium hominis gp15." Am J Trop Med Hyg. 2007;77:583-5. Pubmed PMID: 17827383
- Popovich PG, van Rooijen N, Hickey WF, Preidis G, McGaughy V. "Hematogenous macrophages express CD8 and distribute to regions of lesion cavitation after spinal cord injury." Exp Neurol. 2003;182:275-87. Pubmed PMID: 12895439
Funding
- The Metabolic Basis for Impaired Bile Acid Synthesis in Malnutrition - #R01 DK133301 (07/15/2022 - 06/30/2027) Grant funding from National Institute of Diabetes and Digestive and Kidney Diseases
- Impaired Bile Acid Synthesis Due To CYP7A1 and CYP7B1 Suppression in Malnutrition - #R03 DK129495-01 (07/15/2021 - 06/30/2023) Grant funding from National Institute of Diabetes and Digestive and Kidney Diseases
- Nuclear Receptor Mediated Bile Acid Alterations and Coagulopathy in Protein-Energy Undernutrition - #K08 DK113114-01 (09/01/2017 - 08/31/2022) Grant funding from National Institute of Diabetes and Digestive and Kidney Diseases
- K08 Mentored Clinical Scientist Research Career Development Award
- Bile Acid and Metagenomic Profiles in Very Low Birthweight Preterm Neonates (05/06/2020 - 05/05/2022) Grant funding from Men of Distinction
- AGA-Rome Foundation Functional GI and Motility Disorders Pilot Award (07/01/2017 - 06/30/2018) Grant funding from American Gastroenterological Association / Rome Foundation
- Bile Acid Mediated Dysmotility in Protein-Energy Undernutrition
- Chao Physician-Scientist Award (07/01/2017 - 08/31/2017) Grant funding from Ting Tsung and Wei Fong Chao Foundation
- Nuclear Receptor Mediated Bile Acid Alterations and Coagulopathy in Protein-Energy Undernutrition
- ANMS Research Grant (01/01/2017 - 06/30/2017) Grant funding from American Neurogastroenterology and Motility Society
- Bile Acids and Intestinal Dysmotility in Early-Life Undernutrition
- Functional and Mechanistic Award (11/01/2016 - 06/30/2017) Grant funding from The Alkek Center for Metagenomics and Microbiome Research
- Microbial Mechanisms of Pathogenesis Underlying non-Helicobacter Gastritis
- Pilot/Feasibility Award (02/06/2016 - 02/05/2018) Grant funding from The Texas Medical Center Digestive Disease Center
- Persistent Epigenetic and Metabolic Consequences of Early Undernutrition.
- NASPGHAN Foundation / Nestle Nutrition Research Young Investigator Development Award (11/15/2015 - 11/14/2017) Grant funding from North American Society for Pediatric Gastroenterology, Hepatology, and Nutrition
- Glycan metabolism shapes the undernourished intestinal microbiome and influences weight gain
- Ruth L. Kirschstein National Research Service Award (NRSA) Institutional Research Training Grant (Parent T32) - #5T32DK007664 (07/01/2015 - 08/31/2017) Grant funding from National Institute of Diabetes and Digestive and Kidney Diseases
- Mechanisms of Dysregulation of Bile Acid Synthesis in Protein-Energy Undernutrition
- Early Career Award (10/01/2013 - 09/30/2014) Grant funding from Thrasher Research Fund
- The Intestinal Microbiome as a Biomarker and Therapeutic Target in Severe Acute Malnutrition
- Young Investigator Grant for Probiotics Research (07/01/2013 - 06/30/2014) Grant funding from Global Probiotics Council
- Elucidating the Role of the Intestinal Microbiome in Protein-Energy Undernutrition
- Ruth L. Kirschstein National Research Service Award for Individual Predoctoral M.D./Ph.D. Fellows (F30) - #5F30DK081269 (06/01/2009 - 05/30/2012) Grant funding from National Institute of Diabetes and Digestive and Kidney Diseases
- Mechanisms of Immunomodulation by Probiotic L. reuteri in Acute Gastroenteritis
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