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Pediatrics - Endocrinology

Houston, Texas

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Diabetes & Endocrinology
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Morey Haymond, M.D.

Morey Haymond, M.D.Principal investigator for Diabetes Training Program (T32)

Program Director, Child Health Research Center (K12), and Clinical Scientist Training Program (K30)

Director of the Metabolic Research Unit and the Postdoctoral Training Program at the Children's Nutrition Research Center


  • M.D., Washington University School of Medicine
  • Pediatric Residency and Internship, St.Louis Childrens Hospital, St. Louis, Mo.
  • Pediatric Fellowship in Endocrinology and Metabolism, St. Louis Children's Hospital, St. Louis, Mo.
  • Fellowship, Pediatric Endocrinology and Metabolism, St. Louis Children's Hospital. St. Louis, Mo.

Research Interests

  • Development of stable isotopic models to measure macronutrient flux and metabolism, proteolysis, glucose production, and gluconeogenesis using stable isotopic tracers.
  • Regulation of glucose production and gluconeogenesis in normal children and children with type1 and type 2 diabetes, obesity, hyperinsulinemic hypoglycemia and other conditions associated with hypoglycemia in children
  • Metabolic adaptation and regulation to lactation
  • Substrate molecular and hormonal regulation of glucose and amino acid metabolism in humans

Current Research Funding

  • Baylor Clinical Training Scientist Program (CSTP) - National Institute of Health and National Heart Lung and Blood Institute
  • Baylor Pediatric Diabetes Research Training Program, National Institute of Health
  • Baylor Child Health Research Center - National Institute of Health and National Institute of Child Health and Human Development
  • Treatment Options for Children with Type 2 Diabetes (STOPP-T2D), National Institute of Health and National Institute of Diabetes and Digestive and Kidney Disease


  • Sunehag AL, Toffolo G, Campioni M, Bier DM, Haymond MW. Effects of Dietary Macronutrient Intake on Insulin Sensitivity and Secretion, and Glucose and Lipid Metabolism in Healthy, Obese Adolescents. J Clin Endocrinol Metab 90:4496-4502, 2005. PMID: 15928240
  • Maningat PD, Sen P, Sunehag AL, Hadsell DL, Haymond MW. Regulation of gene expression in human mammary epithelium: effect of breast pumping. J Endocrinol. 2007 Dec; 195(3):503-511. PM:18000312
  • Chacko SK, Sunehag AL, Sharma S, Sauer PJ, Haymond MW. Measurement of gluconeogenesis using glucose fragments/mass spectrometry following ingestion of deuterium oxide. J Appl Physiol. 2008 Jan 10. PMID:18187615
  • Mohammad MA, Sunehag AL, Haymond MW. Effect of dietary macronutrient composition under moderate hypocaloric intake on maternal adaptation during lactation . Am J Clin Nutr. 2009 June; 89 (6): 1821-7 PMCID 2682997
  • Maningat PD, Sen P, Rijnkels M, Sunehag AL, Hadsell DL, Bray M, Haymond MW. Gene expression in the human mammary epithelium during lactation: the milk fat globule transcriptome. Physiol Genomics. 2009 Mar 3;37(1):12-22. PMCID: 2661101
  • Mohammad MA, Sunehag AL, Chacko SK, Pontius AS, Maningat PD, Haymond MW. Mechanisms to conserve glucose in lactating women during a 42h fast. Am J Physiol Endocrinol Metab2009. 297:879-888. PMCID:2763788
  • Ying A.K. Lairson D.R. Giardino AP. Bondy ML. Zaheer I. Haymond MW. Heptulla RA. Predictors of direct costs of diabetes care in pediatric patients with type 1 diabetes. Pediatr Diabetes 2010 Aug 30. PMID 20807368
  • TODAY Study Group, Design of a family-based lifestyle intervention for youth with type 2 diabetes: the TODAY study. Int J Obes (Lond). 2010 Feb;34(2):217-26. Epub 2009 Oct 13. Review. PMID: 19823189
  • Mohammad MA, Sunehag AL, Rodriguez LA, Haymond MW. Galactose promotes fat mobilization in obese lactating and non-lactating women. Am J Clin Nutr 2011 93:2, 374-81. PMCID . 3021430
  • Maningat PD, Sen P, Rijnkels M, Hadsell DL, Bray MS, Haymond MW. Short Term Administration of rhGH Increases Markers of Cellular Proliferation but not Milk Protein Gene Expression in Normal Lactating Women. Physiol Genomics. 2011 Jan 4. [Epub ahead of print] PMID: 21205870

Contact Information

6701 Fannin St., 11th Floor
Houston, TX 77030-2399
Clinic: 832-822-3670
Fax: 832-825-9069

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