Barbara E.C. Knollmann-Ritschel


Captain, Navy

Department of Primary Appointment:
School of Medicine
Vice Chair
Location: Uniformed Services University of the Health Sciences, Bethesda, MD
Research Interests:
Viral countermeasures, TBI, and radioprotection
Office Phone


Undergraduate: 1984-1988 Bachelor of Science, Biochemistry University of Cincinnati, Cincinnati, Ohio
Medical School: 1988-1993 Doctor of Medicine University of Cincinnati, Cincinnati, Ohio
Internship: 1993-1994 Transitional Internship National Naval Medical Center, Bethesda, Maryland
Residency: 1994-1998 Pathology: Anatomic Pathology/Clinical Pathology National Capitol Consortium/ USUHS, Bethesda, Maryland


CAPT Knollmann-Ritschel has 24 years of continuous active duty service in the Navy. She is board certified as an Anatomic and Clinical pathologist having served as Chief of Surgical Pathology and manager of Anatomic pathology at the National Naval Medical Center, Pathology Department Head in Naval Hospital Charleston, SC, Course Director of pathology, interim Chair, and Vice Chair of Pathology at USUHS. Dr. Knollmann-Ritschel is a leader in pathology education nationally, chair- elect of the Undergraduate Medical Education Section (UMEDS) of the Association of Pathology Chairs (APC), and Associate Editor of Academic Pathology. At the Uniformed Services University she developed the educational architecture of the Fundamentals Module of the pre-clerkship curriculum, integrating basic science and clinical courses into the module. She led the integration of medical student laboratory sessions and assessment. Clinically she practices pathology at Walter Reed National Military Medical Center and teaches the residents. She assumed responsibility for the laboratory of the late Dr. Radha Maheshwari, and collaborated in many areas including his research projects focusing on the development of miRNA biomarkers for Traumatic Brain Injury (TBI), radioprotection, and viral, mainly alpha virus, countermeasures, teaching, Global Health projects, and the Indo-Uniformed Services Collaboration.

Representative publications, projects, and/or deployments

2013-Present Professor, Department of Pathology, Secondary Appointment: Professor, Emerging Infectious Disease

2011-Present Staff Pathologist, Walter Reed National Military Medical Center Bethesda, MD

2016 Association of Pathology Chairs, Undergraduate Medical Education Council: Chair-Elect

2017 Carol John’s Medal recipient

2014 Faculty Development Certificate of Advanced Expertise in Medical Education

2013 Innovation in Education, Award Winner

2012 F. Edward Hébert School of Medicine Annual Faculty Teaching Award

2012 Alpha Omega Alpha, Member

2016 Associate Editor for the journal Academic Pathology

2011-2014 Module Director for Fundamentals Module and Council of Module Directors, Member: Integrated the basic sciences and clinical sciences in the first module of the new (2011) curriculum and designed the assessment, remediation, and laboratory integration for the curriculum.


Knollmann-Ritschel, B., Regula, D, Borowitz, M., Conran, R., Prystowsky, M.; Pathology Competencies for Medical Education and Educational Cases. Academic Pathology, Vol 4

Paridhi Gupta, Anuj Sharma, Jing Barbara Knollmann-Ritschel, Raj K Puri and Radha K Maheshwari. Differential host gene responses from infection with neurovirulent and partially-neurovirulent Han, Amy Yang, Manish Bhomia, strains of Venezuelan equine encephalitis virus. MAR 72017 BMJ INFD-D-16-00222R1

Gayen, M., Gupta, P., Morazzani, E., Gaidaakova, E, Knollmann- Ritschel, B., Daly, M., Glass, P., Maheshwari, R. Dienococcus Mn2+ Peptide Complex: A Noval Approach to Alphavirus Vaccine Development. Vaccine Ms. Ref. No.: JVAC-D-16-01956

Kiang, J., Smith, J., Anderson, M., Elliott, T., Gupta, P., Balakathiresan, N., Maheshwari, R., Knollmann-Ritschel, B.; Hemorrhage Enhances Cytokine, Complement Component 3, and Caspas-3, and Regulates MiRNAs Associated with Intestinal Damage after Whole-body Gamma-Irradiation. PLoS ONE, Vol 12(9): e0184393

Knollmann-Ritschel, B, Suarez, E, Gilliland, W, Pock, A. Pathology Course Director Perspectives of a Recent LCME Experience: Preparation in an Integrated Curriculum with the Revised Standards, Academic Pathology, Jan 2017, Vol 4:1-7 DOI:10.1177/2374289516687070

Raghavendar Chandran, Sharma, A., Bhomia, M., Balakathiresan, N., Knollmann-Ritschel, BE., Maheshwari, R.: Differential Expression of MicroRNAs in the Brains of Mice Subjected to Increasing Grade of Mild Traumatic Brain Injury, Brain Injury 2017, 31-1: 106-119 DOI: 10.1080/02699052.2016.1213420

Gupta P, Gayen M, Smith JT, Gaidamakova EK, Matrosova VY, Grichenko O, Knollmann-Ritschel B, Daly MJ, Kiang JG, Maheshwari RK.MDP: A Dienococcus Mn2+ Decapeptide Complex Protects Mice from Ionizing Radiation. PLoS One. 2016 Aug 8;11(8):e0160575. doi: 10.1371

Knollmann-Ritschel, B., Durning, S.; Using Concept Maps in a Modified Team-Based Learning Exercise; AMSUS March 2014, Special Edition

Sadofsky, M., Knollmann-Ritschel, B., Conran, R., Prystowsky, M.; National Standards in Pathology Education: Developing Competencies for Integrated Medical School Curricula; Arch Path Lab Med, Vol 138, Mar 2014: 328-332.

Chopra, N., Yang, T., Asghari, P., Moore, E., Huke, S., Akin, B., Cattolica, R., Perez, CF., Hlaing, T., Knollmann-Ritschel, B., Jones, L., Pessah, I., Allen, P., Franzini-Armstrong, C., Knollmann, B., Ablation of triadi causes loss of cardic Ca2+ release units, impaired excitation-contraction coupling, and cardiac arrhythmias. Proc Natl Acad Sci U S A. 2009 May 5;106(18):7636-41.