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      Syk inhibitors in clinical development for hematological malignancies

      review-article
      1 , , 2
      Journal of Hematology & Oncology
      BioMed Central

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          Abstract

          Spleen tyrosine kinase (Syk) is a cytosolic non-receptor protein tyrosine kinase (PTK) and is mainly expressed in hematopoietic cells. Syk was recognized as a critical element in the B-cell receptor signaling pathway. Syk is also a key component in signal transduction from other immune receptors like Fc receptors and adhesion receptors. Several oral Syk inhibitors including fostamatinib (R788), entospletinib (GS-9973), cerdulatinib (PRT062070), and TAK-659 are being assessed in clinical trials. The second generation compound, entospletinib, showed promising results in clinical trials against B-cell malignancies, mainly chronic lymphoid leukemia. Syk inhibitors are being evaluated in combination regimens in multiple malignancies.

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          Most cited references81

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          Therapeutic T cell engineering

          Genetically engineered T cells are powerful new medicines, offering hope for curative responses in patients with cancer. Chimaeric antigen receptors (CARs) are a class of synthetic receptors that reprogram lymphocyte specificity and function. CARs targeting CD19 have demonstrated remarkable potency in B cell malignancies. Engineered
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            Acalabrutinib (ACP-196) in Relapsed Chronic Lymphocytic Leukemia.

            Irreversible inhibition of Bruton's tyrosine kinase (BTK) by ibrutinib represents an important therapeutic advance for the treatment of chronic lymphocytic leukemia (CLL). However, ibrutinib also irreversibly inhibits alternative kinase targets, which potentially compromises its therapeutic index. Acalabrutinib (ACP-196) is a more selective, irreversible BTK inhibitor that is specifically designed to improve on the safety and efficacy of first-generation BTK inhibitors.
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              Immune thrombocytopenic purpura.

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                Author and article information

                Contributors
                delong_liu@nymc.edu
                Journal
                J Hematol Oncol
                J Hematol Oncol
                Journal of Hematology & Oncology
                BioMed Central (London )
                1756-8722
                28 July 2017
                28 July 2017
                2017
                : 10
                : 145
                Affiliations
                [1 ]GRID grid.412633.1, Department of Oncology, , The first Affiliated Hospital of Zhengzhou University, ; Zhengzhou, 450052 China
                [2 ]ISNI 0000 0004 0476 8324, GRID grid.417052.5, , Department of Medicine, New York Medical College and Westchester Medical Center, ; Valhalla, NY 10595 USA
                Author information
                http://orcid.org/0000-0003-4502-4949
                Article
                512
                10.1186/s13045-017-0512-1
                5534090
                28754125
                dc6064d9-48b7-4fdf-81b5-4cc9e0f5b61d
                © The Author(s). 2017

                Open AccessThis article is distributed under the terms of the Creative Commons Attribution 4.0 International License ( http://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution, and reproduction in any medium, provided you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The Creative Commons Public Domain Dedication waiver ( http://creativecommons.org/publicdomain/zero/1.0/) applies to the data made available in this article, unless otherwise stated.

                History
                : 29 April 2017
                : 20 July 2017
                Categories
                Review
                Custom metadata
                © The Author(s) 2017

                Oncology & Radiotherapy
                Oncology & Radiotherapy

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