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Review
. 2019 Apr:46:28-35.
doi: 10.1016/j.cytogfr.2019.03.005. Epub 2019 Mar 18.

Insulin-like growth factor binding proteins and angiogenesis: from cancer to cardiovascular disease

Thomas Slater  1 , Natalie J Haywood  1 , Connor Matthews  1 , Harneet Cheema  1 , Stephen B Wheatcroft  2
Affiliations
Free article
Review

Insulin-like growth factor binding proteins and angiogenesis: from cancer to cardiovascular disease

Thomas Slater et al. Cytokine Growth Factor Rev. 2019 Apr.
Free article

Abstract

Angiogenesis is a tightly regulated activity that is vital during embryonic development and for normal physiological repair processes and reproduction in healthy adults. Pathological angiogenesis is a driving force behind a variety of diseases including cancer and retinopathies, and inhibition of angiogenesis is a therapeutic option that has been the subject of much research, with several inhibitory agents now available for medical therapy. Conversely, therapeutic angiogenesis has been mooted as having significant potential in the treatment of ischemic conditions such as angina pectoris and peripheral arterial disease, but so far there has been less translation from lab to bedside. The insulin-like growth factor binding proteins (IGFBP) are a family of seven proteins essential for the binding and transport of the insulin-like growth factors (IGF). It is being increasingly recognised that IGFBPs have a significant role beyond simply modulating IGF activity, with evidence of both IGF dependent and independent actions through a variety of mechanisms. Moreover, the action of the IGFBPs can be stimulatory or inhibitory depending on the cell type and environment. Specifically the IGFBPs have been heavily implicated in angiogenesis, both pathological and physiological, and they have significant promise as targeted cell therapy agents for both pathological angiogenesis inhibition and therapeutic angiogenesis following ischemic injury. In this short review we will explore the current understanding of the individual impact of each IGFBP on angiogenesis, and the pathways through which these effects occur.

Keywords: IGFBP; Insulin like growth factor binding protein; angiogenesis; ischemia.

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