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The role of the BTLA-HVEM complex in the pathogenesis of autoimmune diseases
Karolina Wojciechowicz1, Marta Spodzieja2, Katarzyna A Lisowska3
1Division of Pathology and Experimental Rheumatology, Faculty of Medicine, Medical University of Gdansk, Poland.
Abstract:
Autoimmune diseases constitute a heterogeneous group of disorders with one common feature - the loss of immune tolerance towards autoantigens. Due to the complexity of the pathogenesis of these diseases, there are still many open questions regarding their etiology. Therefore, scientists unceasingly search for new data hoping to detect dependable biomarkers and design safe and effective treatment. The research on immune checkpoints is in line with these scientific and clinical demands. Immune checkpoints may be the key to understanding the pathogenesis of many immunological disorders. BTLA-HVEM complex, the inhibitory immune checkpoint, has recently caught scientific attention as an important regulator in different immune contexts, including autoreactivity. So far, the BTLA-HVEM complex has been mainly studied in the context of cancer, but as numerous data show, it may also be a target in the treating of autoimmune diseases. In this review, we intend to focus on the mechanisms of BTLA-HVEM interactions in immune cells and summarize the available data in the context of autoimmunity.
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