دورية أكاديمية

Controversial Role of the Immune Checkpoint OX40L Expression on Platelets in Breast Cancer Progression

التفاصيل البيبلوغرافية
العنوان: Controversial Role of the Immune Checkpoint OX40L Expression on Platelets in Breast Cancer Progression
المؤلفون: Rittig, Susanne M., Lutz, Martina S., Clar, Kim L., Zhou, Yanjun, Kropp, Korbinian N., Koch, André, Hartkopf, Andreas D., Hinterleitner, Martina, Zender, Lars, Salih, Helmut R., Maurer, Stefanie, Hinterleitner, Clemens
المساهمون: Deutsche Forschungsgemeinschaft, Wilhelm Sander-Stiftung, Deutsche Krebshilfe
المصدر: Frontiers in Oncology ; volume 12 ; ISSN 2234-943X
بيانات النشر: Frontiers Media SA
سنة النشر: 2022
المجموعة: Frontiers (Publisher - via CrossRef)
الوصف: In conventional T cells, OX40 has been identified as a major costimulating receptor augmenting survival and clonal expansion of effector and memory T cell populations. In regulatory T cells, (Treg) OX40 signaling suppresses cellular activity and differentiation. However, clinical trials investigating OX40 agonists to enhance anti-tumor immunity, showed only limited success so far. Here we show that platelets from breast cancer patients express relevant levels of OX40L and platelet OX40L (pOX40L) inversely correlates with platelet-expressed immune checkpoint molecules GITRL (pGITRL) and TACI (pTACI). While high expression of pOX40L correlates with T and NK cell activation, elevated pOX40L levels identify patients with higher tumor grades, the occurrence of metastases, and shorter recurrence-free survival (RFS). Of note, OX40 mRNA levels in breast cancer correlate with enhanced expression of anti-apoptotic, immune-suppressive, and tumor-promoting mRNA gene signatures. Our data suggest that OX40L on platelets might play counteracting roles in cancer and anti-tumor immunity. Since pOX40L reflects disease relapse better than the routinely used predictive markers CA15-3, CEA, and LDH, it could serve as a novel biomarker for refractory disease in breast cancer.
نوع الوثيقة: article in journal/newspaper
اللغة: unknown
DOI: 10.3389/fonc.2022.917834
DOI: 10.3389/fonc.2022.917834/full
الإتاحة: https://doi.org/10.3389/fonc.2022.917834Test
حقوق: https://creativecommons.org/licenses/by/4.0Test/
رقم الانضمام: edsbas.78A10A41
قاعدة البيانات: BASE