نتایج جستجو برای: b cell inhibitor
تعداد نتایج: 2414133 فیلتر نتایج به سال:
Chronic lymphocytic leukemia (CLL) displays constitutive phosphatidylinositol 3-kinase (PI3K) activation resulting from aberrant regulation of B-cell receptor (BCR) signaling. Previous studies have shown that an oral PI3K p110δ inhibitor idelalisib exhibits promising activity in CLL. Here, we demonstrate that a dual PI3K p110δ and p110γ inhibitor, IPI-145, antagonizes BCR crosslinking activated...
Myc oncoproteins promote continuous cell growth, in part by controlling the transcription of key cell cycle regulators. Here, we report that c-Myc regulates the expression of Aurora A and B kinases (Aurka and Aurkb), and that Aurka and Aurkb transcripts and protein levels are highly elevated in Myc-driven B-cell lymphomas in both mice and humans. The induction of Aurka by Myc is transcriptional...
Myc oncoproteins promote continuous cell growth, in part by controlling the transcription of key cell cycle regulators. Here, we report that c-Myc regulates the expression of Aurora A and B kinases (Aurka and Aurkb), and that Aurka and Aurkb transcripts and protein levels are highly elevated in Myc-driven B-cell lymphomas in both mice and humans. The induction of Aurka by Myc is transcriptional...
The mechanisms underlying the autonomous accumulation of malignant B cells remain elusive. We show in this study that non-Hodgkin's lymphoma (NHL) B cells express B cell-activating factor of the TNF family (BAFF) and a proliferation-inducing ligand (APRIL), two powerful B cell-activating molecules usually expressed by myeloid cells. In addition, NHL B cells express BAFF receptor, which binds BA...
Dysregulation of regulatory B cells (Bregs), a type of immunosuppressive lymphocyte, are associated with development of autoimmune diseases and cancers. Bregs produce immune tolerance-inducing cell surface molecules and tolerogenic cytokines (interleukin [IL]-10 and transforming growth factor-beta). We previously showed that levels of the inflammatory cytokine IL-18 were increased in patients w...
Cathepsin B is a lysosomal cysteine proteinase whose expression and trafficking are frequently altered in cancer, and plasma membrane and secreted forms are thought to contribute to the invasive and metastatic properties of malignant tumors. We have manipulated the expression of cathepsin B in several tumor cell lines and measured their capacity to invade through a reconstituted extracellular (...
Abstract Ethanol has a vast consumption around the world. Many researches confirmed some adverse effect of this component on human health. In addition, recent studies showed significant alteration in both cellular population, and protein profile of human foreskin fibroblast cell line (HFFF2) in the specific dosage of ethanol. Here, the role and interaction of some proteins (characterized by sig...
Cathepsin B is a lysosomal cysteine proteinase whose expression and trafficking are frequently altered in cancer, and plasma membrane and secreted forms are thought to contribute to the invasive and metastatic properties of malignant tumors. We have manipulated the expression of cathepsin B in several tumor cell lines and measured their capacity to invade through a reconstituted extracellular (...
Colorectal cancer (CRC) is a significant global health issue characterized by high prevalence of KRAS gene mutations. The RAS/MAPK pathway, involving KRAS, plays crucial role in CRC progression. Although some RAS inhibitors have been approved, their efficacy limited. To overcome these limitations, pan-RAF targeting A-Raf, B-Raf, and C-Raf emerged as promising therapeutic strategies. However, re...
BACKGROUND FoxM1 has been shown to play a critical role in the pathogenesis of various epithelial malignancies. However, its role in lymphoid malignancies has not been fully clarified. We, therefore, investigated the role of FoxM1 expression in a large cohort of diffuse large B-cell lymphoma samples and panel of cell lines. DESIGN AND METHODS FoxM1 expression was investigated in a large serie...
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