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UC Davis Health System

Mark A Underwood, M.D., M.A.S.

Mark A Underwood

Clinical/Research Interests

Dr. Underwood's clinical activities are in the care of premature and sick newborn infants. His research interests include necrotizing enterocolitis, development of intestinal innate immunity, and mechanisms of probiotics and prebiotics in pre-term infants. Dr. Underwood's research projects include clinical trials of probiotics and prebiotics in premature infants, assessment of Paneth cell antimicrobial expression in infants with necrotizing enterocolitis and evaluation of Paneth cell expression in newborn rats.

Title:

Assistant Professor

Specialty:

Pediatric Neonatology

Center/Program Affiliation:

UC Davis Children's Hospital

Address:

UC Davis Medical Center
2315 Stockton Blvd., Suite NICU
Sacramento, CA 95817

Education:

University of Texas, Southwestern Medical School
Dallas, Texas
M.D. 1987

UC Davis
Davis, California
M.A.S. 2008

Brigham Young University
Provo, Utah
B.A. 1983

Internships:

UCLA
Los Angeles, California
1988
Pediatrics

Residency:

UCLA
Los Angeles, California
1990
Pediatrics

Fellowships:

UC Davis Medical Center
Sacramento, California
2006
Pediatrics

Board Certifications:

American Board of Pediatrics, Neonatal-Perinatal Medicine, 2008
American Board of Pediatrics, 2004

Professional Memberships:

Fellow, American Academy of Pediatrics

Select Recent Publications:

Underwood MA, Salzman NH, Bennett SH, Barman M, Mills DA, Marcobal A, Tancredi DJ, Bevins Cl, Sherman MP 2009 A randomized placebo-controlled comparison of two probiotic/prebiotic combinations in preterm infants; impact on weight gain, intestinal microbiota, and fecal short chain fatty acids. J Pediatr Gastroenterol Nutr 48:216-25.

Marcobal A, Underwood MA, Mills DA 2008 Rapid determination of the bacterial composition of commercial probiotic products by terminal restriction fragment polymorphism analysis. J Pediatr Gastroenterol Nutr 46:608-11.

Underwood MA, Danielsen B, Gilbert WA 2007 Cost, causes and rates of rehospitalization of preterm infants. J Perinatol 27:614-9.

Salzman NH, Underwood MA, Bevins Cl 2007 Paneth cells, defensins, and the commensal microbiota: A hypothesis on intimate interplay at the intestinal mucosa. Semin Immunol 19:70-83.

Underwood MA, Milstein JM, Sherman MP 2007 Near Infrared Spectroscopy as a screening tool for Patent Ductus Arteriosus in extremely low birth weight infants. Neonatology 91:134-9.

Underwood, MA, and MP Sherman. Nutritional characteristics of amniotic fluid. NeoReviews, 7(6):e310.

Underwood, MA, WM Gilbert and MP Sherman. Amniotic fluid, not just fetal urine anymore. J Perinatol, 25(5):341-8.

To see if Mark A Underwood is accepting new patients, or for assistance finding a UC Davis doctor, please call (800) 2-UC DAVIS.