Xiaowei Xu, MD, PhD
Pathology and Laboratory Medicine
Accepting new patients
Sees patients age 18 and up
Penn Pathology and Laboratory Medicine HUP
Penn Medicine Provider
About me
- Founders Professor in Pathology and Laboratory Medicine
- Professor of Pathology and Laboratory Medicine in Dermatology
My clinical expertise is in pigmented lesion, vasculitis, and dermatopathology.
My education and training
- Medical School: Shanghai Medical University
- Residency: University of Pennsylvania Health System
- Fellowship: Bowman Gray School of Medicine of Wake Forest University
- Fellowship: Massachusetts General Hospital
Spoken languages
English
English
中文 / 普通话
Chinese - Mandarin
Insurance accepted
Please contact the practice and/or the member services department of your insurance company for specific details before receiving services. Providers may participate in some, but not all, products offered by a health plan; providers may also accept plans at some practice locations but not others.
- Aetna Advantra Cares D-SNP
- Aetna Advantra Credit Value
- Aetna Advantra Eagle HMO
- Aetna Advantra Eagle POS
- Aetna Advantra Premier Plus PPO
- Aetna Advantra Value
- Aetna Advantra Value Plus
- Aetna APCN Plus (Multi-Tier)
- Aetna Better Health Kids (CHIP) - DH Only
- Aetna Flexible Five
- Aetna Freedom Core
- Aetna Gold
- Aetna HMO
- Aetna Philly Prime
- Aetna POS
- Aetna PPO APCN
- Aetna Premier
- Aetna Premier Plus
- Aetna Savings Plus
- Aetna Signature Administrators
- Aetna Student Health Plan PPO
- Aetna Upfront Advantage
- First Health HMO
- First Health POS
- First Health PPO
- Meritain - Aramark (Other)
- Meritain - Aramark (Pennsylvania Premier Medical Plan)
- Americhealth Caritas of PA VIP - LGH Only
- Amerihealth Caritas (Transplant patients only)
- Amerihealth Caritas of PA - LGH Only
- Centivo EPO
- Cigna Healthcare EPO
- Cigna Healthcare HMO
- Cigna Healthcare POS
- Cigna Healthcare PPO
- Claim Watcher (Homestead/ INDECs) Open Access
- Clover Health Choice
- Clover Health Choice Value PPO
- Clover Health Classic HMO
- Clover Health Value
Locations
Penn Medicine hospital privileges
- Hospital of the University of Pennsylvania: Has privileges to treat patients in the hospital.
- Pennsylvania Hospital: Has privileges to treat patients in the hospital.
- Penn Presbyterian Medical Center: Has privileges to treat patients in the hospital.
Qualifications and experience
- Dermatology
- Pathology - Anatomic and Clinical Pathology, 2001
- Melanoma Research Foundation, National
- Penn Melanoma and Cutaneous Malignancies Program
- Recognized annually in Philadelphia magazine's Top Docs issue from 2022 through 2025
Treatments and conditions
Research
Publications
Wang H, Liu S, Sinha P, Liu F, Zhang X, Guo Y, Goncalves B, Zheng Q, Mou H, Yang J, Huang L, Miao F, Zeng T, Karakousis G, Huang AC, Mitchell T, Amaravadi R, Schuchter L, Milone M, Guo W, June C, Herlyn M, Fan Y, Xu X. DR5 CAR-T cells target melanoma and suppress MDSCs with minimal toxicity. , Mol Ther. , 34(3): 2026,1465-1482
Guo Y, Wang H, Liu S, Zhang X, Zhu X, Huang L, Zhong W, Guan L, Chen Y, Xiao M, Ou L, Yang J, Chen X, Huang AC, Mitchell T, Amaravadi R, Karakousis G, Miura J, Schuchter L, Flowers A, Zheng Q, Mou H, Gimotty P, Herlyn M, Guo W, Xu X. Engineered extracellular vesicles with DR5 agonistic scFvs simultaneously target tumor and immunosuppressive stromal cells. , Sci Adv. , 11(3): 2025,eadp9009
Chen G, Huang AC, Zhang W, Zhang G, Wu M, Xu W, Yu Z, Yang J, Wang B, Sun H, Xia H, Man Q, Zhong W, Antelo LF, Wu B, Xiong X, Liu X, Guan L, Li T, Liu S, Yang R, Lu Y, Dong L, McGettigan S, Somasundaram R, Radhakrishnan R, Mills G, Lu Y, Kim J, Chen YH, Dong H, Zhao Y, Karakousis GC, Gangadhar TC, Schuchter LM, Herlyn M, Wherry EJ, Xu X, * Guo W*. * indicates co-corresponding authors Exosomal PD-L1 Mediates Tumor Immunosuppression and is Associated with Patient Response to anti-PD-1 Immunotherapy , Nature , 560(7718): 2018,382-386
Lu H, Liu S, Zhang G, Bin Wu, Zhu Y, Frederick DT, Hu Y, Zhong W, Randell S, Sadek N, Zhang W, Chen G, Cheng C, Zeng J, Wu LW, Zhang J, Liu X, Xu W, Krepler C, Sproesser K, Xiao M, Miao B, Liu J, Song CD, Liu JY, Karakousis GC, Schuchter LM, Lu Y, Mills G, Cong Y, Chernoff J, Guo J, Boland GM, Sullivan RJ, Wei Z, Field J, Amaravadi RK, Flaherty KT, Herlyn M*, Xu X*, Guo W*., *Herlyn, Xu and Guo are co-corresponding authors. PAK Signaling Drives Acquired Drug Resistance to MAPK Inhibitors in BRAFmutant Melanomas. , Nature , 550(7674): 2017 ,133-136
Ou L, Liu S, Wang H, Guo Y, Guan L, Shen L, Luo R, Elder DE, Huang AC, Karakousis G, Miura J, Mitchell T, Schuchter L, Amaravadi R, Flowers A, Mou H, Yi F, Guo W, Ko J, Chen Q, Tian B, Herlyn M, Xu X. Patient-derived melanoma organoid models facilitate the assessment of immunotherapies. , EBioMedicine. : 2023 ,104614
Wang H, Chen H, Liu S, Zhang J, Lu H, Somasundaram R, Choi R, Zhang G, Ou L, Scholler J, Tian S, Dong L, Yeye G, Huang L, Connelly T, Li L, Huang A, Mitchell TC, Fan Y, June CH, Mills GB, Guo W, Herlyn M, Xu X. Costimulation of γδTCR and TLR7/8 promotes Vδ2 T-cell antitumor activity by modulating mTOR pathway and APC function. , J Immunother Cancer., 9(12): 2021,e003339
Liu S, Zhang G, Guo J, Chen X, Lei J, Ze K, Dong L, Dai X, Song D, Ecker B, Yang R, Feltcher C, Peng K, Feng C, Chen H, Lee RX, Kerestes H, Niu J, Kumar S, Xu W, Zhang J, Wei Z, Martin JS, Liu X, Mills G, Lu Y, Guo W, Weeraratna A, Herlyn M, Wei W, Lee FS, Xu X Loss of Phd2 Cooperates with BRAFV600E to Drive Melanomagenesis , Nat Commun. , 9(1): 2018 ,5426
Fane ME, Chhabra Y, Alicea GM, Maranto DA, Douglass SM, Webster MR, Rebecca VW, Marino GE, Almeida F, Ecker BL, Zabransky DJ, Hüser L, Beer T, Tang HY, Kossenkov A, Herlyn M, Speicher DW, Xu W, Xu X, Jaffee EM, Aguirre-Ghiso JA, Weeraratna AT. Stromal changes in the aged lung induce an emergence from melanoma dormancy , Nature, 606(7913): 2022,396-405
Khan O, Giles JR, McDonald S, Manne S, Ngiow SF, Patel KP, Werner MT, Huang AC, Alexander KA, Wu JE, Attanasio J, Yan P, George SM, Bengsch B, Staupe RP, Donahue G, Xu W, Amaravadi RK, Xu X, Karakousis GC, Mitchell TC, Schuchter LM, Kaye J, Berger SL, Wherry EJ TOX transcriptionally and epigenetically programs CD8+ T cell exhaustion , Nature, 571(7764): 2019,211-218
Bollag G, Hirth P, Tsai J, Zhang J, Ibrahim PN, Cho H, Spevak W, Zhang C, Zhang Y, Habets G, Burton B, West BL, Powell B, Shellooe R, Marimuthu A, Nguyen H, Zhang KYJ, Artis DR, Schlessinger J, Su F, Higgins B, Iyer R, D’Andrea K, Koehler A, Stumm M, Lee RJ, Grippo J, Puzanov I, Kim KB, Ribas A, McArthur GA, Sosman JA, Chapman PB, Flaherty KT, Xu X, Nathanson KL, Nolop K Clinical efficacy of a RAF inhibitor requires comprehensive ERK pathway inhibition in BRAF-mutant melanoma , Nature, 467(7315): 2010 ,596-9