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Project BioEYES is celebrating 20 years of engaging students AS SCIENTISTS! Help support the next generation of scientists by sponsoring a child today.
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Meet a PennMedicine Researcher

Ellen J. Kim, MD
Professor of Dermatology, is the recipient of the 2024 Louis Duhring Outstanding Clinical Specialist Award. The Duhring Award recognizes a clinical specialist physician who blends biomedical science, recent advances in clinical research, and insight to provide cutting-edge services to patients and colleagues. The awardee is able to apply clinical knowledge innovatively and creatively and maintains a commitment to patients that goes beyond the norm and exemplifies Penn Medicine’s goal for clinical care and professionalism. Dr. Ellen Kim is a distinguished expert in complex medical dermatology, internationally recognized for her mastery in cutaneous lymphoma, innovative research, and academic leadership. As director of the Penn Cutaneous Lymphoma Program and Photopheresis Service, she has advanced clinical care through groundbreaking studies on novel therapies. As a leader within the Penn Medicine community, she demonstrates an unwavering commitment to education, mentorship, patient wellbeing and collaborative excellence across the field. Learn more about Dr. Kim
Welcome to Our Newest Faculty Members!
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Hossein Nejadnik, MD, PhD
Assistant Professor of Radiology -
Celeste Dixon, MD
Assistant Professor of Anesthesiology and Critical Care -
Amrita Sarkar, PhD
Research Assistant Professor of Pediatrics (Hematology) -
Erica Riedesel, MD
Associate Professor of Radiology -
Quan Sun, PhD
Research Assistant Professor of Pathology and Laboratory Medicine
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Featured Publications
- Racial and Ethnic Disparities Along the Treatment Cascade Among Medicare Fee-for-Service Beneficiaries With Metastatic Breast, Colorectal, Lung, and Prostate Cancers. Lin JK, Niu J, Giordano SH, Li P, Snyder RA, Liao K, Li M, ... Journal of clinical oncology : official journal of the American Society of Clinical Oncology. 2025 Oct 20;43(30):3254-3265 Epub 2025 Aug 27
- MRI-based multi-organ clocks for healthy aging and disease assessment. MULTI Consortium, Cao H, Song Z, Duggan MR, Erus G, Srinivasan D, Tian YE, ... Nature medicine. 2025 Oct 16
- Computationally designed mRNA-launched protein nanoparticle immunogens elicit protective antibody and T cell responses in mice. Hendricks GG, Grigoryan L, Navarro MJ, Catanzaro NJ, Hubbard ML, Powers JM, Mattocks M, ... Science translational medicine. 2025 Oct 15;17(820):eadu2085
- Tonic type I interferon signaling optimizes the antiviral function of plasmacytoid dendritic cells. Pucella JN, Maqueda-Alfaro RA, Ni H, Bandeira Sulczewski F, Eichinger A, Esteva E, Ra AC, ... Nature immunology. 2025 Oct 14
- Transient tissue residency and lymphatic egress define human CD56(bright) NK cell homeostasis. Niehrs A, Hertwig L, Buggert M, Nordström I, Statzu M, Pampena MB, Samer S, ... Nature immunology. 2025 Oct 14
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Upcoming Events
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