Endostatin's emerging roles in angiogenesis, lymphangiogenesis, disease, and clinical applications

Amit Walia, Jessica F. Yang, Yu Hui Huang, Mark I. Rosenblatt, Jin Hong Chang, Dimitri T. Azar

Research output: Contribution to journalReview articlepeer-review

139 Scopus citations

Abstract

Background Angiogenesis is the process of neovascularization from pre-existing vasculature and is involved in various physiological and pathological processes. Inhibitors of angiogenesis, administered either as individual drugs or in combination with other chemotherapy, have been shown to benefit patients with various cancers. Endostatin, a 20-kDa C-terminal fragment of type XVIII collagen, is one of the most potent inhibitors of angiogenesis. Scope of review We discuss the biology behind endostatin in the context of its endogenous production, the various receptors to which it binds, and the mechanisms by which it acts. We focus on its inhibitory role in angiogenesis, lymphangiogenesis, and cancer metastasis. We also present emerging clinical applications for endostatin and its potential as a therapeutic agent in the form a short peptide. Major conclusions The delicate balance between pro- and anti-angiogenic factors can be modulated to result in physiological wound healing or pathological tumor metastasis. Research in the last decade has emphasized an emerging clinical potential for endostatin as a biomarker and as a therapeutic short peptide. Moreover, elevated or depressed endostatin levels in diseased states may help explain the pathophysiological mechanisms of the particular disease. General significance Endostatin was once sought after as the 'be all and end all' for cancer treatment; however, research throughout the last decade has made it apparent that endostatin's effects are complex and involve multiple mechanisms. A better understanding of newly discovered mechanisms and clinical applications still has the potential to lead to future advances in the use of endostatin in the clinic.

Original languageEnglish
Pages (from-to)2422-2438
Number of pages17
JournalBiochimica et Biophysica Acta - General Subjects
Volume1850
Issue number12
DOIs
StatePublished - Dec 1 2015

Keywords

  • Anti-angiogenic factor
  • MMP
  • Matricryptin
  • Short endostatin peptide
  • Tumor angiogenesis
  • Type XVIII collagen

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