نتایج جستجو برای: bruton
تعداد نتایج: 389 فیلتر نتایج به سال:
Ibrutinib is an orally administered inhibitor of Bruton tyrosine kinase that antagonizes B-cell receptor, chemokine, and integrin-mediated signaling. In early-phase studies, ibrutinib demonstrated high response rates and prolonged progression-free survival (PFS) in chronic lymphocytic leukemia (CLL). The durable responses observed with ibrutinib relate in part to a modest toxicity profile that ...
Available online xxxx Field Editor: Garry Bruton on the ideas of embeddedness and transferring value across spheres, we develop insight about how the relationship between entrepreneurs and communities influences entrepreneurial This paper focuses on ways in which entrepreneurs engage with place and community. Drawing practices and outcomes. Employing an ethnographic perspective including partic...
BACKGROUND About 10% of pediatric patients with invasive pneumococcal disease (IPD) die from the disease. Some primary immunodeficiencies (PIDs) are known to confer predisposition to IPD. However, a systematic search for these PIDs has never been carried out in children presenting with IPD. METHODS We prospectively identified pediatric cases of IPD requiring hospitalization between 2005 and 2...
The immunodeficiency disorder, X-linked agammaglobulinemia (XLA), results from mutations in the gene encoding Bruton tyrosine kinase (Btk). Btk is required for pre-B cell clonal expansion and B-cell antigen receptor signaling. XLA patients lack mature B cells and immunoglobulin and experience recurrent bacterial infections only partially mitigated by life-long antibody replacement therapy. In p...
X-linked agammaglobulinemia (XLA) is a human immunodeficiency caused by mutations in Bruton tyrosine kinase (Btk) and characterized by an arrest in early B-cell development, near absence of serum immunoglobulin, and recurrent bacterial infections. Using Btk- and Tec-deficient mice (BtkTec(-/-)) as a model for XLA, we determined if Btk gene therapy could correct this disorder. Bone marrow (BM) f...
International development institutions appear to accept the role of business in global development challenges such as poverty alleviation. In 2003 the World Bank was reportedly ‘convinced’ that the private sector has a role to play in the fight against poverty (Wolfensohn 2003, p.19). The 2008 ‘Business and the Millennium Development Goals’ (MDGs) report highlights a consensus within the United...
Mantle cell lymphoma (MCL) is a chronically relapsing aggressive type of B-cell non-Hodgkin lymphoma considered incurable by currently used treatment approaches. Fludarabine is a purine analog clinically still widely used in the therapy of relapsed MCL. Molecular mechanisms of fludarabine resistance have not, however, been studied in the setting of MCL so far. We therefore derived fludarabine-r...
B-cell receptor (BCR) signaling is aberrantly activated in chronic lymphocytic leukemia (CLL). Bruton tyrosine kinase (BTK) is essential to BCR signaling and in knockout mouse models its mutation has a relatively B cell-specific phenotype. Herein, we demonstrate that BTK protein and mRNA are significantly over expressed in CLL compared with normal B cells. Although BTK is not always constitutiv...
Evidence suggests that the CXC-chemokine receptor-4 pathway plays a role in cancer cell homing and metastasis, and thus represents a potential target for cancer therapy. The homeostatic microenvironment chemokine CXCL12 binds the CXCR4 and CXCR7 receptors, activating divergent signals on multiple pathways, such as ERK1/2, p38, SAPK/JNK, AKT, mTOR, and the Bruton tyrosine kinase (BTK). An activa...
Targeted therapy with imatinib and other selective tyrosine kinase inhibitors has transformed the treatment of chronic myeloid leukemia. Unlike chronic myeloid leukemia, chronic lymphocytic leukemia (CLL) lacks a common genetic aberration amenable to therapeutic targeting. However, our understanding of normal B-cell versus CLL biology points to differences in properties of B-cell receptor (BCR)...
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