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The microenvironment in mature B-cell malignancies: a target for new treatment strategies

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TLDR
A paradigm shift in the treatment of selected B-cell malignancies is anticipated, moving from targeting primarily the malignant cells toward combining cytotoxic drugs with agents that interfere with the microenvironment's proactive role.
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This article is published in Blood.The article was published on 2009-10-15 and is currently open access. It has received 543 citations till now.

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Targeting chronic lymphocytic leukemia cells with a humanized monoclonal antibody specific for CD44

TL;DR: Studies indicate that this humanized mAb specific for CD44 might have therapeutic activity, particularly in patients with CLL that express ZAP-70, which was found was complexed with CD44.
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Ex-Vivo Dynamic 3-D Culture of Human Tissues in the RCCS™ Bioreactor Allows the Study of Multiple Myeloma Biology and Response to Therapy

TL;DR: 3-D, RCCS™ bioreactor-based culture of tissue explants can be exploited for studying myeloma biology and for a pre-clinical approach to patient-targeted therapy, as a proof of principle.
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NF-κB signaling pathway and its potential as a target for therapy in lymphoid neoplasms

TL;DR: The physiologic role of the NF-κB pathway and recent advances in better understanding of the pathologic roles are presented and an update of clinical trials that use NF-σB pathway inhibitors is provided.
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Stereotypical Chronic Lymphocytic Leukemia B-Cell Receptors Recognize Survival Promoting Antigens on Stromal Cells

TL;DR: CLL BCR stimulation by stroma-derived antigens can contribute to the protective effect that the stroma exerts on CLL cells, which sheds a new light on the understanding of the pathobiology of this so far mostly incurable disease.
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Dasatinib inhibits B cell receptor signalling in chronic lymphocytic leukaemia but novel combination approaches are required to overcome additional pro-survival microenvironmental signals

TL;DR: It is demonstrated that the HSP90 inhibitor 17‐DMAG exhibited synergy with dasatinib in vitro, and moreover, induced apoptosis of CLL cells in the CD154L/IL‐4 system.
References
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Fibroblasts in cancer

TL;DR: Fibroblasts are a key determinant in the malignant progression of cancer and represent an important target for cancer therapies.
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Stromal Fibroblasts Present in Invasive Human Breast Carcinomas Promote Tumor Growth and Angiogenesis through Elevated SDF-1/CXCL12 Secretion

TL;DR: Using a coimplantation tumor xenograft model, it is demonstrated that carcinoma-associated fibroblasts extracted from human breast carcinomas promote the growth of admixed breast carcinoma cells significantly more than do normal mammaries derived from the same patients.
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Macrophages: Obligate Partners for Tumor Cell Migration, Invasion, and Metastasis

TL;DR: Macrophages within the tumor microenvironment facilitate angiogenesis and extracellular-matrix breakdown and remodeling and promote tumor cell motility and are an important drug target for cancer therapy.
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Conditions controlling the proliferation of haemopoietic stem cells in vitro.

TL;DR: A liquid culture system is described whereby proliferation of haemopoietic stem cells, production of granulocyte precursor cells (CFU‐C), and extensive granulopoiesis can be maintained in vitro for several months.
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Maintenance of the Hematopoietic Stem Cell Pool by CXCL12-CXCR4 Chemokine Signaling in Bone Marrow Stromal Cell Niches

TL;DR: It is shown that the induced deletion of CXCR4, a receptor for CXC chemokine ligand (CXCL) 12 in adult mice, resulted in severe reduction of HSC numbers and increased sensitivity to myelotoxic injury, although it did not impair expansion of the more mature progenitors.
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