Our Team

Tamara Lotan, MD
Principal Investigator

Thanks for taking an interest in our research program!  I am a urologic pathologist with an active translational and basic science research program.  We have diverse interests in our group, ranging from basic studies of mTORC1 signaling in epithelial development and tumorigenesis to translational work aimed at developing predictive molecular biomarkers for prostate cancer.  In addition to this work, I examine and diagnose genitourinary tumors from biopsy and resection specimens at the Johns Hopkins Hospital.  I obtained my M.D. from the University of Chicago in 2003 and completed a residency in Anatomic Pathology there in 2007.  I came to Johns Hopkins to complete a fellowship in Urologic Pathology, and joined the faculty in 2008 where I currently am appointed as a Professor in the Departments of Pathology and Oncology.  When I’m not working, I spend most of my free time with my (very active!) five children and radiologist husband and also enjoy running and cooking.

Adrianna Amaral de Aragao, MD

Adrianna is from Brazil, where she earned her M.D. from Universidade Estadual de Santa Cruz. She completed her residency in Anatomic Pathology at the Instituto Nacional de Cancer in Rio de Janeiro, Brazil. She then joined Dr. Tamara Lotan in her lab as a post-doctoral research fellow in 2020, studying the prostate tumor immune microenvironment and its correlation with racial ancestry and biomarkers. Leisurely, Adrianna enjoys puzzles, video chatting with her family, and watching movies.

Madison Angelo

Madison is an undergraduate student at Johns Hopkins University studying neuroscience and behavioral biology. In July 2024 she joined the Lotan lab as a research assistant focusing on digital pathology and artificial intelligence models. Currently, she is aiding in the development of a whole slide imaging database to be used in the training of clinical AI systems. Outside of the lab, Madison loves cooking, live music, and spending time with her boyfriend and family.

Kaushal Asrani, MBBS, PhD

Kaushal is a Research Associate in the Department of Pathology, at the Johns Hopkins University School of Medicine. He completed his undergraduate studies in medicine and obtained his MBBS at BJ Medical College at the University of Pune, India. He went on to earn his PhD in Cancer Biology at the University of Maryland, Baltimore where he studied the role of the Fn14 receptor as an invasive biomarker in HER2+ breast cancers, NSCLC and melanomas. He subsequently joined the Lotan lab as a postdoctoral fellow. He is broadly interested in the role of oncogenic receptor kinases and the PI3K/AKT-mTOR signaling axis in normal epithelial development and tumorigenesis in the epidermis, prostate and kidney. He received the JHU School of Medicine Young Investigator Award in 2018.

Eumee Cha

Eumee is originally from Princeton, New Jersey, and earned her bachelor’s degree in Biology and Spanish from Cornell University. She is currently a medical student at Johns Hopkins School of Medicine and will be pursuing residency training in pathology. Eumee joined Dr. Lotan’s lab in 2023 and has been researching the use of artificial intelligence / deep learning algorithms designed to predict metastatic outcome in patients with prostate cancer. In her spare time, Eumee enjoys solving jigsaw puzzles, playing pickleball, and supporting the Baltimore Ravens – she has never missed a Ravens game in the past three years!

Oluwademilade Dairo, MS

Lade earned her M.S. in Biotechnology from Johns Hopkins University. Before completing her program, she joined the Lotan lab as a Schaufeld Scholar focusing on prostate cancer research in African American men. Currently, she is researching the expression of specific biomarkers for potential predictive oncologic outcomes in prostate cancer in relation to racial ancestry and other pathophysiological properties. In her spare time, Lade loves traveling, hiking, reading, and trying new restaurants or cuisines.

Kewen Feng

Kewen is a research histology technologist in the Lotan laboratory. She joined the lab with over 15 years of clinical and research lab experience in specimen sectioning, routine, and immunofluorescence staining. In her free time, she enjoys gardening, hiking, and cooking.

Morelle Meegane Konchou

Morelle Meegane is an undergraduate student at Johns Hopkins University, majoring in Molecular and Cellular Biology with a minor in French. She started off as a summer intern in Dr. Lotan’s lab and quickly transitioned to a member of the lab for the academic year. Her interest in pathology grew as she continued to gain knowledge of prostate cancer. Currently, Morelle Meegane is working on analyzing tissue cells to find if there are any correlation between prominent biomarkers. In her free time, she enjoys spending time with her family and friends as well as dancing.

Lia Oliveira, MD

Lia earned her M.D. in Brazil from the Universidade Federal do Estado do Rio de Janeiro. She completed her Pathology residency at the Hospital Universitario Antonio Pedro, where she developed an interest in Genitourinary Pathology. Afterwards, Lia participated in a research group focused on Prostate Cancer prevention at the Instituto Nacional do Cancer in Brazil as a pathologist. She then joined Dr. Lotan’s Lab to extend her knowledge in Genitourinary Pathology as a research fellow. When not working, Lia enjoys Pilates, reading and traveling.

Thiago Vidotto, PhD

Thiago earned his BS in Biology from the University of Londrina, Brazil and Ph.D. in Genetics from the University of São Paulo, Brazil. During his Ph.D., he spent eight months as a research assistant at Queen’s University, Canada, where he investigated the effects of tumor-intrinsic genomic alterations in immunotherapy response of bladder, ovarian, and prostate tumors. Currently, he is a postdoc fellow at Johns Hopkins, investigating the methylome of African-American and European-American prostate cancer patients. He is also interested in understanding the roles of chromosomal aberrations in the anti-tumor immune response.

Juhyung Woo, PhD

Juhyung earned his PhD from Kyungpook University, Taegu South Korea in 2001.He joined as a Post-Doc. Fellow under the guidance of Dr. Edward Gabrielson at Johns Hopkins School of Medicine. Currently, he is  a Sr. Research Specialist in our lab, conducting a combination of basic and translational research. When not working, he spends his time playing basketball with his son.

Alumni

Year in LabTeam Members and Current Placements
2023 – 2024Mithila Kasba, MS, currently working as a postgraduate researcher at Yale School of Medicine
2023 – 2024Sanaz Nourmohammadi Abadchi, MD, currently a Pathology resident at Cedars-Sinai
2022 – 2024Eric Erak, MD, currently a Pathology resident at Brigham-Mass General
2021 – 2023Ethan Schaffer, undergraduate, currently a medical student at Harvard Medical School
2021 – 2023Hans Lui, graduate, Johns Hopkins School of Medicine
2021 – 2023Clarence Rachel Villanueva, MS, currently a research professional at Stanford Medicine.
2019 – 2021Daniela Correia Salles, MD, deceased.
2018-2020Sanjana Murali, MHS, currently a graduate student at Baylor College of Medicine
2018-2020Zoya Khan, undergraduate, Johns Hopkins University
2018- 2019Farzana Faisal, MD, currently a urology resident at Johns Hopkins JHU School of Medicine Young Investigator Award Recipient
2017-2019Harsimar Kaur, MBBS, currently a pathology resident at Johns Hopkins, JHU School of Medicine Young Investigator Award Recipient
2017-2019Amanda Laine, undergraduate, Johns Hopkins University
2016-2017Benjamin Maughan, MD, PharmD; Instructor in Oncology, Huntsman Cancer Institute, Utah
2016-2017Nooshin Mirkheshti, MD, internal medicine resident, MedStar Health, Baltimore
2015-2017Alba Torres, PhD, Technical coordinator, Project SANDS, Brazil
2015-2017Liana Guedes, MD, graduate school applicant in Brazil
2015-2016Fawaz Almutairi, MD, Pathology Resident at George Washington University
2014-2016Carlos Morais, MD, pathology attending and PhD candidate, Argos Pathology, Brazil
2013-2016Harrison Tsai, PhD, pathology resident at Brigham and Women’s Hospital, Boston MA
2012-2015Amber Dubin, BA, research technician, GeneDx, UMBC
2012-2015 Hsueh-Li (Shirley) Tan, patent agent, Cooley LLP
2009-2015Susmita Ghosh, PhD, pursuing additional degree in regulatory medicine
2012-2014Akshay Sood, MD, urology resident at Henry Ford Hospital
2011-2012Loubna Elhelu, BA, high school science teacher, Virginia
2009-2011Lidenys Varela, BA, research technician, Johns Hopkins University