Ryan Martinez



Dr. Martinez earned an MD degree and a PhD degree (immunology and molecular pathogenesis) from Emory University in Atlanta. Since 2018 he has been a clinical pathology resident, a postdoctoral research fellow, and a molecular genetics pathology fellow, all in LMP.

Martinez was Immunology and Molecular Pathogenesis Student Scholar of the Year at Emory in 2016 and was winner of the Ernst Award for best scientific paper as an LMP resident in 2021.

Research Summary


Peer Reviewed Articles

Breed ER, Vobořil M, Ashby KM, Martinez RJ, Qian L, Wang H, Salgado OC, O'Connor CH, Hogquist KA. Type 2 cytokines in the thymus activate Sirpα+ dendritic cells to promote clonal deletion. Nat Immunol. 2022 Jul;23(7):1042-1051. doi: 10.1038/s41590-022-01218-x. Epub 2022 

Martinez RJ, Breed ER, Worota Y, Ashby KM, Vobořil M, Mathes T, Salgado OC, O'Connor CH, Kotenko SV, Hogquist KA. Type III interferon drives thymic B cell activation and regulatory T cell generation. Proc Natl Acad Sci U S A. 2023 Feb 28;120(9):e2220120120. doi: 10.1073/pnas.2220120120.

Zantek N.D., Martinez R.J., Johnson A.D., Tholkes A.J., Shah S. (2021) Apheresis practice patterns in the United States of America: Analysis of a market claims database. J Clin Apher. 36(5):750-758.

Martinez, R. J., Pankratz, N., Schomaker, M., Daniel, J., Beckman, K., Karger, A. B.,Thyagarajan, B., Ferreri, P., Yohe, S. L., & Nelson, A. C. (2021). Prediction of False-Positive Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) Molecular Results in a High-Throughput Open-Platform System. The Journal of molecular diagnostics. 23 (9), 1085–1096.

Martinez RJ, Kang Q, Nennig D, Bailey NG, Brown NA, Betz BL, Tewari M, Thyagarajan B, Bachanova V, Mroz P. One-Step Multiplexed Droplet Digital Polymerase Chain Reaction for Quantification of p190 BCR-ABL1 Fusion Transcript in B-Lymphoblastic Leukemia. Arch Pathol Lab Med. 2022 Jan 1;146(1):92-100. doi: 10.5858/arpa.2020-0454-OA. 


PhD (Immunology and Molecular Pathogenesis), Emory University,
MD, Emory University

Fellowships, Residencies, and Visiting Engagements

Molecular Genetics Pathology Fellowship,
University of Minnesota
Postdoctoral Associate,
University of Minnesota
Clinical Pathology Residency,
University of Minnesota

Licensures and Certifications

Board certified in Clinical Pathology,



Mailing Address MMC 609 Mayo 420 Delaware Minneapolis, MN 55455