Department of Pediatrics

Clinical Interests

Dr. Horner is a member of the Division of Allergy, Immunology and Pulmonary Medicine. She received her undergraduate degree in chemistry from Washington University. She received her medical degree from and completed a residency in Internal Medicine and Pediatrics at St. Louis University. She completed her Allergy/Immunology fellowship at the University of Texas Medical Branch in Galveston, TX. She joined the faculty of Washington University in 2006. She is board certified in Pediatrics, Internal Medicine, and Allergy and Clinical Immunology. She is a member of several organizations including the American Academy of Allergy, Asthma, & Immunology (AAAAI). Dr. Horner’s research interests include childhood asthma. She is currently conducting a study on the association of stress and nocturnal asthma symptoms in children with support from the AAAAI Gail G. Shapiro Clinical Faculty Award. She is also involved with research efforts through AsthmaNet, a multi-center network examining therapeutic approaches to asthma.

Education

• BA, universali cum honore, Washington University, 1993
• MD, cum laude, St. Louis University School of Medicine, 2000
• MSCI, Washington University School of Medicine, 2011

Training

• Medical Research Technician, Washington University School of Medicine and St. Louis University, 1994 - 1996
• Summer Research Fellow, St. Louis University School of Medicine, 1997 - 1997
• Resident, St. Louis University School of Medicine, 2000 - 2004
• Fellow, University of Texas Medical Branch, 2004 - 2006

Licensure and Board Certification

• 2004 - PresAmerican Board of Internal Medicine
• 2004 - PresAmerican Board of Pediatrics
• 2006 - PresAmerican Board of Allergy and Immunology
• 2006 - PresMO, Medical License
• 2021 - PresIL Medical License

Honors and Awards

• Medical School Class President, St. Louis University School of Medicine, 1998 - 2000
• Alpha Omega Alpha, St. Louis University School of Medicine, 1999
• Alpha Sigma Nu, National Jesuit honor society, St. Louis University School of Medicine, 1999
• Merck Book Award, awarded for “significant contributions to the welfare of St. Louis University School of Medicine, its students, and its academic program”, 2000
• Academic Fellowship Award, University of Texas Medical Branch, 2005
• Nominee Outstanding Resident/Fellow Award, University of Texas Medical Branch, 2005
• Nominee Outstanding Resident/Fellow Award, University of Texas Medical Branch, 2006
• Clinical Research Training Center Postdoctoral Program Scholar, Washington University School of Medicine, 2008 - 2011
• Gail G Shapiro Clinical Faculty Award, Allergy, Asthma & Immunology Education and Research Trust, American Academy of Allergy, Asthma & Immunology, 2010
• NIH Loan Repayment Program Recipient, 2011 - 2014
• Best Doctors in America® 2019 - 2020 List, 2019
• Best Doctors in America® 2020 - 2021 List, 2020

Recent Publications view all (12)

1. Greenhawt M, Shaker M, Wang J, Oppenheimer JJ, Sicherer S, Keet C, Swaggart K, Rank M, Portnoy JM, Bernstein J, Chu DK, Dinakar C, Golden D, Horner C, Lang DM, Lang ES, Khan DA, Lieberman J, Stukus D, Wallace D. Peanut Allergy Diagnosis- a 2020 Practice Parameter Update, Systematic Review, and GRADE Analysis J Allergy Clin Immunol. 2020;S0091-6749(20):31137-4. doi:10.1016/j.jaci.2020.07.031  PMID:32810515 
2. Dykewicz MS, Wallace DV, Amrol DJ, Baroody FM, Bernstein JA, Craig TJ, Dinakar C, Ellis AK, Finegold I, Golden DB, Greenhawt MJ, Hagan JB, Horner CC, Khan DA, Lang DM, Larenas-Linnemann DE, Lieberman JA, Meltzer EO, Oppenheimer JJ, Rank MA, Shaker MS, Shaw JL, Steven GC, Stukus DR, Wang J. Rhinitis 2020: A Practice Parameter Update J Allergy Clin Immunol. 2020;S0091-6749(20):31023-X. doi:10.1016/j.jaci.2020.07.007  PMID:32707227 
3. Shaker MS, Oppenheimer J, Wallace DV, Golden DBK, Lang DM; Joint Task Force for Allergy Practice Parameters; Contributors, Lang ES, Bernstein JA, Campbell RL, Chu D, Dinakar C, Ellis AK, Greenhawt M, Horner C, Lieberman JA, Rank MA, Stukus DR, Wang J. . Making the GRADE in anaphylaxis management: Toward recommendations integrating values, preferences, context, and shared decision making. Ann Allergy Asthma Immunol. 2020;124(6):526-535. doi:10.1016/j.anai.2020.03.009  PMID:32199979  
4. Shaker MS, Wallace DV, Golden DBK, Oppenheimer J, Bernstein JA, Campbell RL, Dinakar C, Ellis A, Greenhawt M, Khan DA, Lang DM, Lang ES, Lieberman JA, Portnoy J, Rank MA, Stukus DR, Wang J; Collaborators, Riblet N, Bobrownicki AMP, Bontrager T, Dusin J, Foley J, Frederick B, Fregene E, Hellerstedt S, Hassan F, Hess K, Horner C, Huntington K, Kasireddy P, Keeler D, Kim B, Lieberman P, Lindhorst E, McEnany F, Milbank J, Murphy H, Pando O, Patel AK, Ratliff N, Rhodes R, Robertson K, Scott H, Snell A, Sullivan R, Trivedi V, Wickham A; Chief Editors, Shaker MS, Wallace DV; Workgroup Contributors, Shaker MS, Wallace DV, Bernstein JA, Campbell RL, Dinakar C, Ellis A, Golden DBK, Greenhawt M, Lieberman JA, Rank MA, Stukus DR, Wang J; Joint Task Force on Practice Parameters Reviewers, Shaker MS, Wallace DV, Golden DBK, Bernstein JA, Dinakar C, Ellis A, Greenhawt M, Horner C, Khan DA, Lieberman JA, Oppenheimer J, Rank MA, Shaker MS, Stukus DR, Wang J. Anaphylaxis-a 2020 practice parameter update, systematic review, and Grading of Recommendations, Assessment, Development and Evaluation (GRADE) analysis J Allergy Clin Immunol. 2020;145(4):1082-1123. doi:10.1016/j.jaci.2020.01.017  
5. Dykewicz MS, Wallace DV, Baroody F, Bernstein J, Craig T, Finegold I, Huang F, Larenas-Linnemann D, Meltzer E, Steven G, Bernstein DI, Blessing-Moore J, Dinakar C, Greenhawt M, Horner CC, Khan DA, Lang D, Oppenheimer J, Portnoy JM, Randolph CR, Rank MA, Workgroup Chair and Cochair., Dykewicz MS, Wallace DV. Treatment of seasonal allergic rhinitis: An evidence-based focused 2017 guideline update. Ann Allergy Asthma Immunol. 2017;119(6):489-511.e41. PMID:29103802 
6. Horner CC, Dula C, Bacharier LB, Garbutt JM, Gonzalez C, Deych E, Shannon WD, Strunk RC. Daily global stress is associated with nocturnal asthma awakenings in school-age children. J Allergy Clin Immunol. 2016. PMID:27246525 
7. Horner CC, Mauger D, Strunk RC, Graber NJ, Lemanske RF Jr, Sorkness CA, Szefler SJ, Zeiger RS, Taussig LM, Bacharier LB, Childhood Asthma Research and Education Network of the National Heart, Lung, and Blood Institute. Most nocturnal asthma symptoms occur outside of exacerbations and associate with morbidity. J Allergy Clin Immunol. 2011;128(5):977-82.e1-2. doi:10.1016/j.jaci.2011.07.018  PMCID:PMC3408598  PMID:21855126 
8. Horner CC, Bacharier LB. Diagnosis and management of asthma in preschool and school-age children: focus on the 2007 NAEPP Guidelines. Curr Opin Pulm Med. 2009;15(1):52-6. doi:10.1097/MCP.0b013e32831da8ea  PMID:19077706 
9. Horner CC, Strunk RC. Age-related changes in the asthmatic phenotype in children. Curr Opin Pediatr. 2007;19(3):295-9. doi:10.1097/MOP.0b013e32809913a2  PMID:17505189 
10. Horner CC, Bacharier LB. Management approaches to intermittent wheezing in young children. Curr Opin Allergy Clin Immunol. 2007;7(2):180-4. doi:10.1097/ACI.0b013e32807fafd2  PMID:17351473 
11. Ford DA, Horner CC, Gross RW. Protein kinase C acylation by palmitoyl coenzyme A facilitates its translocation to membranes. Biochemistry. 1998;37(34):11953-61. doi:10.1021/bi980565w  PMID:9718320 
12. Ford DA, Han X, Horner CC, Gross RW. Accumulation of unsaturated acylcarnitine molecular species during acute myocardial ischemia: metabolic compartmentalization of products of fatty acyl chain elongation in the acylcarnitine pool. Biochemistry. 1996;35(24):7903-9. doi:10.1021/bi960552n  PMID:8672492