期刊
CANCER IMMUNOLOGY RESEARCH
卷 3, 期 1, 页码 1-11出版社
AMER ASSOC CANCER RESEARCH
DOI: 10.1158/2326-6066.CIR-14-0209
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资金
- NIH [P01 CA92644, R01CA142262]
- National Foundation for Cancer Research
Similarities between tumors and the inflammatory response associated with wound healing have been recognized for more than 150 years and continue to intrigue. Some years ago, based on our then recent discovery of vascular permeability factor (VPF)/VEGF, I suggested that tumors behaved as wounds that do not heal. More particularly, I proposed that tumors co-opted the wound-healing response to induce the stroma they required for maintenance and growth. Work over the past few decades has supported this hypothesis and has put it on a firmer molecular basis. In outline, VPF/VEGF initiates a sequence of events in both tumors and wounds that includes the following: increased vascular permeability; extravasation of plasma, fibrinogen and other plasma proteins; activation of the clotting system outside the vascular system; deposition of an extravascular fibrin gel that serves as a provisional stroma and a favorable matrix for cell migration; induction of angiogenesis and arterio-venogenesis; subsequent degradation of fibrin and its replacement by granulation tissue (highly vascular connective tissue); and, finally, vascular resorption and collagen synthesis, resulting in the formation of dense fibrous connective tissue (called scar tissue in wounds and desmoplasia in cancer). A similar sequence of events also takes place in a variety of important inflammatory diseases that involve cellular immunity. (C) 2015 AACR.
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