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Dr. Downing is on Doximity

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Education & Training

  • Nationwide Children's Hospital/Ohio State University
    Nationwide Children's Hospital/Ohio State UniversityFellowship, Pediatric Surgery, 1999 - 2001
  • University of Toledo
    University of ToledoChief Residency, Surgery, 1997 - 1998
  • University of Toledo
    University of ToledoResidency, Surgery, 1990 - 1997
  • University of South Florida College of Medicine
    University of South Florida College of MedicineClass of 1990
  • Furman University
    Furman UniversityBS, Chemistry, Cum Laude, 1985

Certifications & Licensure

  • SD State Medical License
    SD State Medical License 2023 - 2026
  • MI State Medical License
    MI State Medical License 2001 - 2026
  • MT State Medical License
    MT State Medical License 2019 - 2023
  • IN State Medical License
    IN State Medical License 2019 - 2021
  • KS State Medical License
    KS State Medical License 2016 - 2019
  • NY State Medical License
    NY State Medical License 2015 - 2018
  • OH State Medical License
    OH State Medical License 1992 - 2007
  • American Board of Surgery Surgery
  • American Board of Surgery Pediatric Surgery

Awards, Honors, & Recognition

  • Excellence in Resident Evaluation 2009-2010 Kalamazoo Center for Medical Studies, Department of Surgery, Kalamazoo, MI, 2010
  • Pediatrics Outstanding Teaching Award Kalamazoo Center for Medical Studies, Kalamazoo, MI, 2004, 2009
  • Medicine/Pediatrics Outstanding Teaching Award Kalamazoo Center for Medical Studies, Kalamazoo, MI, 2004
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Publications & Presentations

PubMed

Journal Articles

  • Unique protein expression by the TBJ clonal derivative of C1300 murine neuroblastoma.  
    Vegunta R, Cooney D, Downing M, Besner G, Brigstock D, Journal of Pediatric Surgery
  • Purification of heparin-binding epidermal growth factor-like growth factor from pig uterine luminal flushings, and its production by endometrial tissues.  
    Kim G, Besner G, Steffen C, McCarthy D, Downing M, Luquette M, Abad M, Brigstock D, Biology of Reproduction
  • Production of glycosylated heparin binding EGF-like growth factor in HeLa cells using vaccinia virus.  
    Davis K, Brigstock D, Johnson P, Crissman-Combs M, McCarthy D, Downing M, Besner G, Protein Expression and Purification
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Abstracts/Posters

  • A model for intestinal ischemia/reperfusion injury in weanling rats.
    Downing M, Hinman C, Luquette M, Besner G, Twentieth Annual Children's Hospital Research Forum, Columbus, Ohio
  • Brain heterotopia - choristoma of the back.
    Downing M, Hamoudi A, Besner G, 15th Annual Pediatric Surgery Residents’ Conference, New York, NY
  • Immunohistochemical detection of heparin-binding EGF-like growth factor in multiple epithelia.
    Downing M, Brigstock D, McCarthy D, Brown K, Luquette M, Besner G, 34th Annual Meeting of the American Society for Cell Biology, San Francisco, California
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Professional Memberships

Hospital Affiliations