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  1. Artikel: Systemic sclerosis with morphea-like plaques histopathologically mimicking cutaneous B-cell lymphoma.

    Aragon Sierra, Ana M / Hwang, Angelina S / Kechter, Jacob / Mangold, Aaron R / Nagaraja, Vivek / DiCaudo, David J

    JAAD case reports

    2024  Band 47, Seite(n) 32–34

    Sprache Englisch
    Erscheinungsdatum 2024-03-08
    Erscheinungsland United States
    Dokumenttyp Case Reports
    ZDB-ID 2834220-3
    ISSN 2352-5126
    ISSN 2352-5126
    DOI 10.1016/j.jdcr.2024.02.028
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  2. Artikel ; Online: Topical Ruxolitinib in the Treatment of Necrobiosis Lipoidica: A Prospective, Open-Label Study.

    Hwang, Angelina S / Kechter, Jacob A / Li, Xing / Hughes, Alysia / Severson, Kevin J / Boudreaux, Blake / Bhullar, Puneet / Nassir, Shams / Yousif, Miranda / Zhang, Nan / Butterfield, Richard J / Nelson, Steven / Xing, Xianying / Tsoi, Lam C / Zunich, Samantha / Sekulic, Aleksandar / Pittelkow, Mark / Gudjonsson, Johann E / Mangold, Aaron

    The Journal of investigative dermatology

    2024  

    Abstract: Necrobiosis lipoidica (NL) is a rare granulomatous disease. There are few effective treatments for NL. We sought to investigate the efficacy and safety of the Jak1/2 inhibitor, ruxolitnib, in the treatment of NL and identify the biomarkers associated ... ...

    Abstract Necrobiosis lipoidica (NL) is a rare granulomatous disease. There are few effective treatments for NL. We sought to investigate the efficacy and safety of the Jak1/2 inhibitor, ruxolitnib, in the treatment of NL and identify the biomarkers associated with the disease and treatment response. We conducted an open-label, phase 2 study of ruxolitinib in 12 patients with NL. We performed transcriptomic analysis of tissue samples before and after treatment. At week 12, the mean NL lesion score decreased by 58.2% (SD = 28.7%, P = .003). Transcriptomic analysis demonstrated enrichment of type I and type II IFN pathways in baseline disease. Weighted gene coexpression network analysis demonstrated post-treatment changes in IFN pathways with key hub genes IFNG and signal transducer and activator of transcription 1 gene STAT1. Limitations include small sample size and a study group limited to patients with <10% body surface area. In conclusion, ruxolitinib is an effective treatment for NL and targets the key pathogenic mediators of the disease.
    Sprache Englisch
    Erscheinungsdatum 2024-02-27
    Erscheinungsland United States
    Dokumenttyp Journal Article
    ZDB-ID 80136-7
    ISSN 1523-1747 ; 0022-202X
    ISSN (online) 1523-1747
    ISSN 0022-202X
    DOI 10.1016/j.jid.2023.11.027
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  3. Artikel: Primary cutaneous diffuse large B-cell lymphoma, leg type, presenting as subcutaneous nodules: Case series and comparison of treatment outcomes.

    Besch, Jake G / Kechter, Jacob / Hwang, Angelina / Shahin, Ahmad / Bhullar, Puneet / Puri, Pranav / Butterfield, Richard / Costello, Collin / Rule, William / Rosenthal, Allison / DiCaudo, David J / Pittelkow, Mark / Mangold, Aaron

    JAAD case reports

    2023  Band 41, Seite(n) 81–84

    Sprache Englisch
    Erscheinungsdatum 2023-09-26
    Erscheinungsland United States
    Dokumenttyp Case Reports
    ZDB-ID 2834220-3
    ISSN 2352-5126
    ISSN 2352-5126
    DOI 10.1016/j.jdcr.2023.08.042
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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  4. Artikel: Oral Baricitinib in the Treatment of Cutaneous Lichen Planus.

    Hwang, Angelina / Kechter, Jacob / Do, Tran / Hughes, Alysia / Zhang, Nan / Li, Xing / Wasikowski, Rachael / Brumfiel, Caitlin / Patel, Meera / Boudreaux, Blake / Bhullar, Puneet / Nassir, Shams / Yousif, Miranda / DiCaudo, David J / Fox, Jennifer / Gharaee-Kermani, Mehrnaz / Xing, Xianying / Zunich, Samantha / Branch, Emily /
    Kahlenberg, J Michelle / Billi, Allison C / Plazyo, Olesya / Tsoi, Lam C / Pittelkow, Mark R / Gudjonsson, Johann E / Mangold, Aaron R

    medRxiv : the preprint server for health sciences

    2024  

    Abstract: Background: Cutaneous lichen planus (LP) is a recalcitrant, difficult-to-treat, inflammatory skin disease characterized by pruritic, flat-topped, violaceous papules on the skin. Baricitinib is an oral Janus kinase (JAK) 1/2 inhibitor that interrupts the ...

    Abstract Background: Cutaneous lichen planus (LP) is a recalcitrant, difficult-to-treat, inflammatory skin disease characterized by pruritic, flat-topped, violaceous papules on the skin. Baricitinib is an oral Janus kinase (JAK) 1/2 inhibitor that interrupts the signaling pathway of interferon (IFN)-γ, a cytokine implicated in the pathogenesis of LP.
    Methods: In this phase II trial, twelve patients with cutaneous LP received baricitinib 2 mg daily for 16 weeks, accompanied by in-depth spatial, single-cell, and bulk transcriptomic profiling of pre-and post-treatment samples.
    Results: An early and sustained clinical response was seen with 83.3% of patients responsive at week 16. Our molecular data identified a unique, oligoclonal IFN-γ, CD8+, CXCL13+ cytotoxic T-cell population in LP skin and demonstrate a rapid decrease in interferon signature within 2 weeks of treatment, most prominent in the basal layer of the epidermis.
    Conclusion: This study demonstrates the efficacy and molecular mechanisms of JAK inhibition in LP.
    Sprache Englisch
    Erscheinungsdatum 2024-01-11
    Erscheinungsland United States
    Dokumenttyp Preprint
    DOI 10.1101/2024.01.09.24300946
    Datenquelle MEDical Literature Analysis and Retrieval System OnLINE

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