Journal
BIOMATERIALS
Volume 28, Issue 12, Pages 2069-2076Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biomaterials.2006.12.029
Keywords
growth factors; drug delivery; hydrogel; angiogenesis
Funding
- NHLBI NIH HHS [HL069957] Funding Source: Medline
- NIDCR NIH HHS [R37 DE013033] Funding Source: Medline
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Dysregulated growth factor signaling is traditionally targeted via bolus injections of therapeutic molecules, but this approach may not recreate necessary qualitative and quantitative aspects of biologic growth factor delivery systems. Polymeric delivery systems may, instead, mimic certain sequestration and binding characteristics of the extracellular iriatrix and lead to the provision of therapeutic molecules at therapeutically efficient local concentrations [P], in the form of spatial gradients (d[V]/d.v) and temporal gradients (d[V]/dt), and in con-ibination with other morphogenetic clubs. Both physicochemical and biological attributes dictate their design, and they may be fabricated from synthetic and natural polymers. General concepts for manipulating growth factor signaling with these systems are discussed in the context of angiogenesis with vacular enclothelial growth factor (VEGF), and these strategies may be broadly adapted to a multitude of other morphogens and growth factors. (c) 2007 Elsevier Ltd. All rights reserved.
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