Jarish Cohen, MD, PhD
Postdoctoral Scholar
Dermatology
School of Medicine

Awards

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• First Place, Unknown Cases of the Week, UCSF Anatomic Pathology, 2017-2018
• Physician-In-Training Award, American Society of Dermatopathology, 2016
• Life Technologies Trainee Achievement Award, American Association of Immunologists, 2012
• Trainee Abstract Award, American Association of Immunologists, 2012
• Travel Scholarship, Tolerance and Autoimmunity Meeting, Keystone Symposia, 2010

Education & Training

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• Fellowship Dermatopathology University of California, San Francisco 06/2019
• Fellowship Surgical Pathology University of California, San Francisco 06/2017
• Residency Anatomic Pathology University of California, San Francisco 06/2016
• MD Medicine University of Virginia 05/2014
• PhD Immunology University of Virginia 12/2012
• BAS Bioengineering University of Pennsylvania 05/2005

Interests

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• Immunology
• Dermatology
• Pathology
• Dermatopathology

Publications (37)

Top publication keywords:
Immune PrivilegeWartsMyxomaCyclic AMP-Dependent Protein Kinase RIalpha SubunitSkin NeoplasmsGene FusionEpithelioid CellsTh2 Cellsbeta-DefensinsMelanomaImmune ToleranceDermatofibrosarcomaFibromaT-Lymphocytes, RegulatoryCarney Complex

• Interleukin-2-induced skin inflammation.
  European journal of immunology 2024 Sommer C, Cohen JN, Dehmel S, Neuhaus V, Schaudien D, Braun A, Sewald K, Rosenblum MD
• Tertiary lymphoid structures sustain cutaneous B cell activity in hidradenitis suppurativa.
  JCI insight 2024 Lowe MM, Cohen JN, Moss MI, Clancy S, Adler JP, Yates AE, Naik HB, Yadav R, Pauli M, Taylor I, McKay A, Harris H, Kim E, Hansen SL, Rosenblum MD, Moreau JM
• Regulatory T cells in skin mediate immune privilege of the hair follicle stem cell niche.
  Science immunology 2024 Cohen JN, Gouirand V, Macon CE, Lowe MM, Boothby IC, Moreau JM, Gratz IK, Stoecklinger A, Weaver CT, Sharpe AH, Ricardo-Gonzalez RR, Rosenblum MD
• Sweet syndrome in a patient with rectal adenocarcinoma and HIV following neoadjuvant chemoradiation.
  JAAD case reports 2023 Wilkerson K, Bradley FE, Lee EY, Cohen JN, Chang AY
• Genetic and Immunohistochemical Profiling of Mammary Hidradenoma and Comparison to Mucoepidermoid Carcinoma.
  Modern pathology : an official journal of the United States and Canadian Academy of Pathology, Inc 2023 Black MA, Neumann NM, Krings G, Najjar S, Troxell ML, Wang A, Devine WP, Vohra P, Gasper C, Chen YY, Cohen JN, Bean GR

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• Tertiary Lymphoid Structures Sustain Cutaneous B cell Activity in Hidradenitis Suppurativa.
  bioRxiv : the preprint server for biology 2023 Lowe MM, Cohen JN, Moss MI, Clancy S, Adler J, Yates A, Naik HB, Pauli M, Taylor I, McKay A, Harris H, Kim E, Hansen SL, Rosenblum MD, Moreau JM
• Innate type 2 immunity controls hair follicle commensalism by Demodex mites.
  Immunity 2022 Ricardo-Gonzalez RR, Kotas ME, O'Leary CE, Singh K, Damsky W, Liao C, Arouge E, Tenvooren I, Marquez DM, Schroeder AW, Cohen JN, Fassett MS, Lee J, Daniel SG, Bittinger K, Díaz RE, Fraser JS, Ali N, …
• Xenograft Skin Model to Manipulate Human Immune Responses In Vivo.
  Journal of visualized experiments : JoVE 2022 Moss MI, Pauli M, Moreau JM, Cohen JN, Rosenblum MD, Lowe MM
• Intestinal inflammation alters the antigen-specific immune response to a skin commensal.
  Cell reports 2022 Merana GR, Dwyer LR, Dhariwala MO, Weckel A, Gonzalez JR, Okoro JN, Cohen JN, Tamaki CM, Han J, Tasoff P, Palacios-Calderon Y, Ha CWY, Lynch SV, Segre JA, Kong HH, Kattah MG, Ma A, Scharschmidt TC
• Obesity alters pathology and treatment response in inflammatory disease.
  Nature 2022 Bapat SP, Whitty C, Mowery CT, Liang Y, Yoo A, Jiang Z, Peters MC, Zhang LJ, Vogel I, Zhou C, Nguyen VQ, Li Z, Chang C, Zhu WS, Hastie AT, He H, Ren X, Qiu W, Gayer SG, Liu C, Choi EJ, Fassett M, …
• Superficial Angiomyxomas Frequently Demonstrate Loss of Protein Kinase A Regulatory Subunit 1 Alpha Expression: Immunohistochemical Analysis of 29 Cases and Cutaneous Myxoid Neoplasms With Histopathologic Overlap.
  The American journal of surgical pathology 2022 Neumann NM, LeBoit PE, Cohen JN
• Cicatricial pemphigoid Brunsting-Perry variant masquerading as neutrophil-mediated cicatricial alopecia.
  Journal of cutaneous pathology 2022 Rahbar Z, Cohen JN, McCalmont TH, LeBoit PE, Connolly MK, Berger T, Pincus LB
• Early-life inflammation primes a T helper 2 cell-fibroblast niche in skin.
  Nature 2021 Boothby IC, Kinet MJ, Boda DP, Kwan EY, Clancy S, Cohen JN, Habrylo I, Lowe MM, Pauli M, Yates AE, Chan JD, Harris HW, Neuhaus IM, McCalmont TH, Molofsky AB, Rosenblum MD
• Regulatory T cells promote innate inflammation after skin barrier breach via TGF-β activation.
  Science immunology 2021 Moreau JM, Dhariwala MO, Gouirand V, Boda DP, Boothby IC, Lowe MM, Cohen JN, Macon CE, Leech JM, Kalekar LA, Scharschmidt TC, Rosenblum MD
• Response To: Feasibility of a Tumor Progression Model in PRKAR1A-inactivated Melanomas.
  The American journal of surgical pathology 2021 Cohen JN, Yeh I, Mully TW, LeBoit PE, McCalmont TH
• Developing Human Skin Contains Lymphocytes Demonstrating a Memory Signature.
  Cell reports. Medicine 2020 Dhariwala MO, Karthikeyan D, Vasquez KS, Farhat S, Weckel A, Taravati K, Leitner EG, Clancy S, Pauli M, Piper ML, Cohen JN, Ashouri JF, Lowe MM, Rosenblum MD, Scharschmidt TC
• Genomic and Clinicopathologic Characteristics of PRKAR1A-inactivated Melanomas: Toward Genetic Distinctions of Animal-type Melanoma/Pigment Synthesizing Melanoma.
  The American journal of surgical pathology 2020 Cohen JN, Yeh I, Mully TW, LeBoit PE, McCalmont TH
• Regulatory T cells in skin injury: At the crossroads of tolerance and tissue repair.
  Science immunology 2020 Boothby IC, Cohen JN, Rosenblum MD
• Melanotic Schwannoma of the Vulva: A Case Report and Review of the Literature.
  The American Journal of dermatopathology 2020 Cohen JN, Yeh I, LeBoit PE
• Clinicopathologic overlap of psoriasis, eczema, and psoriasiform dermatoses: A retrospective study of T helper type 2 and 17 subsets, interleukin 36, and β-defensin 2 in spongiotic psoriasiform dermatitis, sebopsoriasis, and tumor necrosis factor α inhibitor-associated dermatitis.
  Journal of the American Academy of Dermatology 2019 Cohen JN, Bowman S, Laszik ZG, North JP
• Regulatory T cells in skin are uniquely poised to suppress profibrotic immune responses.
  Science immunology 2019 Kalekar LA, Cohen JN, Prevel N, Sandoval PM, Mathur AN, Moreau JM, Lowe MM, Nosbaum A, Wolters PJ, Haemel A, Boin F, Rosenblum MD
• Y'all comeback now.
  Science immunology 2019 Cohen JN, Rosenblum MD
• Treg-Cell Control of a CXCL5-IL-17 Inflammatory Axis Promotes Hair-Follicle-Stem-Cell Differentiation During Skin-Barrier Repair.
  Immunity 2019 Mathur AN, Zirak B, Boothby IC, Tan M, Cohen JN, Mauro TM, Mehta P, Lowe MM, Abbas AK, Ali N, Rosenblum MD
• Expression of programmed cell death ligand 1 and programmed cell death 1 in cutaneous warts.
  Journal of the American Academy of Dermatology 2019 Yu WY, Berger TG, North JP, Laszik Z, Cohen JN
• Heavily Pigmented Epithelioid Melanoma With Loss of Protein Kinase A Regulatory Subunit-α Expression.
  The American Journal of dermatopathology 2018 Cohen JN, Spies JA, Ross F, Bohlke A, McCalmont TH
• Cutaneous Non-Neural Granular Cell Tumors Harbor Recurrent ALK Gene Fusions.
  The American journal of surgical pathology 2018 Cohen JN, Yeh I, Jordan RC, Wolsky RJ, Horvai AE, McCalmont TH, LeBoit PE
• EWSR1-NFATC2 gene fusion in a soft tissue tumor with epithelioid round cell morphology and abundant stroma: a case report and review of the literature.
  Human pathology 2018 Cohen JN, Sabnis AJ, Krings G, Cho SJ, Horvai AE, Davis JL
• Genomic Analysis of Pigmented Epithelioid Melanocytomas Reveals Recurrent Alterations in PRKAR1A, and PRKCA Genes.
  The American journal of surgical pathology 2017 Cohen JN, Joseph NM, North JP, Onodera C, Zembowicz A, LeBoit PE
• Pancreatic involvement by mesenchymal chondrosarcoma harboring the HEY1-NCOA2 gene fusion.
  Human pathology 2016 Cohen JN, Solomon DA, Horvai AE, Kakar S
• Immunohistochemistry for 2-Succinocysteine (2SC) and Fumarate Hydratase (FH) in Cutaneous Leiomyomas May Aid in Identification of Patients With HLRCC (Hereditary Leiomyomatosis and Renal Cell Carcinoma Syndrome).
  The American journal of surgical pathology 2016 Buelow B, Cohen J, Nagymanyoki Z, Frizzell N, Joseph NM, McCalmont T, Garg K
• Roles of lymphatic endothelial cells expressing peripheral tissue antigens in CD4 T-cell tolerance induction.
  Nature communications 2015 Rouhani SJ, Eccles JD, Riccardi P, Peske JD, Tewalt EF, Cohen JN, Liblau R, Mäkinen T, Engelhard VH
• Tolerogenic properties of lymphatic endothelial cells are controlled by the lymph node microenvironment.
  PloS one 2014 Cohen JN, Tewalt EF, Rouhani SJ, Buonomo EL, Bruce AN, Xu X, Bekiranov S, Fu YX, Engelhard VH
• Lymphatic endothelial cells - key players in regulation of tolerance and immunity.
  Frontiers in immunology 2012 Tewalt EF, Cohen JN, Rouhani SJ, Engelhard VH
• Lymphatic endothelial cells induce tolerance via PD-L1 and lack of costimulation leading to high-level PD-1 expression on CD8 T cells.
  Blood 2012 Tewalt EF, Cohen JN, Rouhani SJ, Guidi CJ, Qiao H, Fahl SP, Conaway MR, Bender TP, Tung KS, Vella AT, Adler AJ, Chen L, Engelhard VH
• Lymph node-resident lymphatic endothelial cells mediate peripheral tolerance via Aire-independent direct antigen presentation.
  The Journal of experimental medicine 2010 Cohen JN, Guidi CJ, Tewalt EF, Qiao H, Rouhani SJ, Ruddell A, Farr AG, Tung KS, Engelhard VH
• RNA-loaded CD40-activated B cells stimulate antigen-specific T-cell responses in dogs with spontaneous lymphoma.
  Gene therapy 2008 Mason NJ, Coughlin CM, Overley B, Cohen JN, Mitchell EL, Colligon TA, Clifford CA, Zurbriggen A, Sorenmo KU, Vonderheide RH
• Immunosurveillance and survivin-specific T-cell immunity in children with high-risk neuroblastoma.
  Journal of clinical oncology : official journal of the American Society of Clinical Oncology 2006 Coughlin CM, Fleming MD, Carroll RG, Pawel BR, Hogarty MD, Shan X, Vance BA, Cohen JN, Jairaj S, Lord EM, Wexler MH, Danet-Desnoyers GA, Pinkus JL, Pinkus GS, Maris JM, Grupp SA, Vonderheide RH