Parent Page: Academic Departments id: 22046 Active Page: Faculty - Staffid:22079

Faculty and Staff


Bradley C Gehrs, MD

Bradley C. Gehrs, MD

Interim Director of Transfusion Services

Assistant Professor of Pathology

Staff Pathologist, OU Medical Center

The University of Oklahoma Health Sciences Center
Children's Hospital
1200 N. Everett Dr 
Oklahoma City, OK 73104


Academic Section(s):



  • Valparaiso University
    Valparaiso, Indiana
    B.S. in Chemistry, Biology, and Mathematics, 1989
  • University of North Carolina
    Chapel Hill, North Carolina
    Doctoral Student, Curriculum in Toxicology (1989 - 1990 & 1992 - 1995) 
    M.D., 1997


  • American Association of Blood Banks
  • American Society for Clinical Pathology
  • United States and Canadian Academy of Pathology

Select Publications:

  1. Gehrs BC, Riddle MM, Williams WC, Smialowicz RJ. Alterations in the developing immune system of the F344 rat after perinatal exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin. II. Effects on the pup and the adult. Toxicology. 1997 Oct 19;122(3):229-40.

  2. Gehrs BC, Smialowicz RJ. Persistent suppression of the delayed-type hypersensitivity in adult F344 rats after perinatal exposure to 2,3,7,8-tetrachlorodibenzo-p-dioxin.Toxicology. 1999 May 3;134(1):79-88.

  3. Gehrs BC, Friedberg RC. Autoimmune hemolytic anemia. Am J Hematol. 2002 Apr;69(4):258-71.

  4. Liu Z, Guo BL, Gehrs BC, Nan L, Lopez RD. Ex vivo expanded human Vγ9Vδ2+ γδ-T cells mediate innate antitumor activity against human prostate cancer cells in vitro. J Urol. 2005 May;173(5):1552-6.

  5. Merrell MA, Ilvesaro JM, Lehtonen N, Sorsa T, Gehrs B, Rosenthal E, Chen D, Shackley B, Harris KW, Selander KS: Toll-like receptor 9 agonists promote cellular invasion by increasing matrix metalloproteinase activity. Mol Cancer Res. 2006 Jul;4(7):437-47.

  6. Merrell MA, Wakchoure S, Ilvesaro JM, Zinn K, Gehrs B, Lehenkari PP, Harris KW, Selander KS. Differential effects of Ca2+ on bisphosphonate-induced growth inhibition in breast cancer and mesothelioma cells. Eur J Pharmacol. 2007 Mar 15;559(1):21-31.

  7. Beavers C, Harrison M, Gehrs B, Blick KE, Lethargy and seizures in a 52-year-old male, Lab Med, July 2009; 40(7);405-407.

  8. Rapisarda A, Hollingshead M, Uranchimeg B, Bonomi CA, Borgel SD, Carter JP, Gehrs B, Raffeld M, Kinders RJ, Parchment R, Anver MR, Shoemaker RH, Milillo G. Increased antitumor activity of bevacizumab in combination with hypoxia inducible factor-1 inhibition. Mol Cancer Ther July 2009;8(7):1867-1877.

  9. Al-Kali A, Cherry M, Kimmel K, Holter J, Kern W, Gehrs B, Ozer H, Selby G. A case of acute myeloid leukemia initially treated as chronic lymphocytic leukemia: what do we know about t(4;12)(q12;p13)? [Letter to the Editor] Cancer Genet Cytogenet Dec 2010;203(2):348-51.

  10. Fung KM, Chakrabarty JH, Kern WF, Magharyous H, Gehrs BC, Li S. Case Report: Intravascular large B-cell lymphoma with hemophagocytic syndrome (Asian variant) in a Caucasian patient. Int J Clin Exp Pathol 2012;5(5):448-454. (Online only journal)

Adjunct Faculty

Sepideh Nikki Asadbeigi, MD

Sepideh N Asadbeigi, MD

Assistant Professor - Pathology


Adjunct Faculty - Dermatology

Prabir K. Chakraborty, PhD

Prabir K. Chakraborty, PhD

Assistant Professor (Research)

Daniel J. Cowden, MD, FCAP, CPHIMS

Daniel J. Cowden, MD, FCAP, CPHIMS

Clinical Associate Professor

Charles Esmon, PhD

Charles Esmon, PhD

Lloyd Noble Chair, Cardiovascular Research

Member & Head, Cardiovascular Biology Research at OMRF

Adjunct Professor, Pathology

Adjunct Professor, Biochemistry

Investigator at Howard Hughes Medical Institute

David M Lewis, DDS

David M. Lewis, DDS

Associate Professor
Department of Oral and Maxillofacial Pathology

Adjunct Associate Professor
Department of Pathology

Jeffrey McBride, MD, PhD

Jeffrey McBride, MD, PhD

Assistant Professor

Director of Dermatopathology

Adjunct Faculty - Pathology

Charles A. Montgomery, DVM, DACVP, DACLAM

Charles A. Montgomery, DVM, DACVP, DACLAM

Adjunct Professor
Department of Pathology
Division of Comparative Medicine

Kathy L. Moser, PhD

Kathy L. Moser, PhD

Associate Member, Arthritis & Immunology Program

Adjunct Faculty, Pathology

Aravindan Natarajan

Aravindan Natarajan, MS., MPhil., PhD., CCA.

Associate Professor, Department of Radiation Oncology,
Associate Professor (Adjunct), Department of Anesthesiology,
Associate Professor (Adjunct), Department of Pathology
Course Director, Radiation Biology for Radiation Oncology Residents
Graduate Faculty, College of Medicine
Member, Cancer Biology Program

Amr H. Sawalha, MD

Amr H. Sawalha, MD

Assistant Member
Arthritis and Immunology Research Program

Assistant Professor of Medicine 
Department of Medicine

Staff Physician 
Veteran Affairs Medical Center
Oklahoma City

Adjunct Faculty
Department of Pathology