1. A-83-01 Considered A Fighting Component in Cancer Treatment

    In a study on how the ALK-5 inhibitor A-83-01 inhibits Smad signaling and epithelial-to-mesenchymal transition by transforming growth factor-β, A-83-01 was synthesized and characterized a small molecule inhibitor. It is structurally similar to previously reported ALK-5 inhibitors developed by Sawyer et al. (2003) and blocks signaling of type I serine/threonine kinase receptors for cytokines of the TGF-β superfamily (known as activin receptor-like kinases; ALKs).
  2. Vascular Stem Cells and Tumor Angiogenesis - Pt. 2

    HPCs AND THEIR PROGENY The role of hematopoietic cells in tumor angiogenesis has recently received great attention. HPC from the bone marrow emigrate to the blood and tissues and differentiate to form cells of the innate and adaptive immune system. Tumor-infiltrating leukocytes can either protect against or promote tumor formation. The simplest example of the former is loss of immune...
  3. Vascular Stem Cells and Tumor Angiogenesis - Pt. 1

    Solid tumors are complex “organs” of cancer cells and a heterogeneous population of hematopoietic cells, mesenchymal cells, and endothelial cells. The cancer stem cell model proposes that tumor growth and progression is driven by rare populations of cancer stem cells

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