Endogenous regulators of angiogenesis - Emphasis on proteins with thrombospondin - Type I motifs

D. Carpizo, M. L. Iruela-Arispe*

*Corresponding author for this work

Research output: Contribution to journalReview article

37 Scopus citations

Abstract

Angiogenesis has been acknowledged as an important requirement for growth and metastasis of tumors. Complete or partial suppression of vascular growth by a number of different strategies has been consistently associated with suppression of tumor expansion and even reduction of tumor burden. Consequently, identification of the molecular pathways of the angiogenic response has been a major focus of interest in academia and industry. The development of tumor-specific anti-angiogenic therapy was also catalyzed by the finding that inhibitors of angiogenesis appeared immune to the development of drug resistance by the tumor cells, a major restrain in current chemotherapy. Although the full identification of players and their cross-talk is still at its infancy, it appears that partial blockade of one of the steps in the angiogenesis cascade, is sufficient to affect capillary morphogenesis. Thus, suppression of specific integrin pathways or vascular endothelial growth factor signaling have been shown effective in the suppression of tumor-mediated angiogenesis and have led to subsequent initiation of clinical trials. In addition to the generation of antibodies or chemical mimetics to interfere with particular steps during vascular organization, several endogenous (or physiological) molecules have also been identified. The list of endogenous modulators of angiogenesis is growing and can offer additional and important tool for the generation of therapies to restrain tumor vascularization. This review will focus one group of such molecules which include the thrombospondins and metallospondins, two families of proteins linked by the presence of a conserved anti-angiogenic functional domain.

Original languageEnglish (US)
Pages (from-to)159-165
Number of pages7
JournalCancer and Metastasis Reviews
Volume19
Issue number1-2
DOIs
StatePublished - Dec 1 2000

Keywords

  • Angiogenesis
  • Proteins
  • Thrombospondin

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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