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Tumor angiogenesis is essential for malignant growth and metastasis. Bone marrow (BM)-derived endothelial progenitor cells (EPC) contribute to angiogenesis-mediated tumor growth. EPC ablation can reduce tumor growth; however, the lack of a marker that can track EPCs from the BM to tumor neovasculature has impeded progress in understanding the molecular(More)
B cells require signals delivered through B-cell activating factor of the TNF family receptor (BAFF-R) and CD40 to survive and produce antibody responses in vivo. In vitro data indicate that these signals are controlled by the homologous RING finger proteins cIAP1 and cIAP2, in collaboration with TRAF2 and TRAF3. There is also mounting evidence that all 4(More)
Krüppel-like factor 3 (Klf3) is a member of the Klf family of transcription factors. Klfs are widely expressed and have diverse roles in development and differentiation. In this study, we examine the function of Klf3 in B cell development by studying B lymphopoiesis in a Klf3 knockout mouse model. We show that B cell differentiation is significantly(More)
Targeted modification of the mouse genome provides the capability to manipulate complex physiological processes in a precise and controlled manner. Investigation of B-lymphocyte biology has benefited not only from the targeted modification of genes controlling B-cell survival and responsiveness, but also from the manipulation of antigen specificity made(More)
Transduction of bone marrow stem cells with retroviral expression vectors represents a cheaper and more rapid alternative to conventional transgenesis for studies of in vivo gene function. However, achieving tissue-specific expression of genes inserted into retroviral vectors is notoriously difficult. We have developed a single tri-cistronic retroviral(More)
Tumor angiogenesis is essential for malignant growth and metastasis. Bone marrow (BM)–derived en-dothelial progenitor cells (EPC) contribute to angiogenesis-mediated tumor growth. EPC ablation can reduce tumor growth; however, the lack of a marker that can track EPCs from the BM to tumor neovasculature has impeded progress in understanding the molecular(More)
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