2011
DOI: 10.1038/nchem.1090
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Exploring and exploiting chemistry at the cell surface

Abstract: Engineering the surface chemistry of a material so that it can interface with cells is an extraordinarily demanding task. The surface of a cell is composed of thousands of different lipids, proteins and carbohydrates, all intricately (and dynamically) arranged in three dimensions on multiple length scales. This complexity presents both a challenge and an opportunity to chemists working on bioactive interfaces. Here we discuss how some of these challenges can be met with interdisciplinary material synthesis. We… Show more

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Cited by 304 publications
(265 citation statements)
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“…Integrins constitute one large family of receptors, which bind specifically to ECM proteins such as fibronectin, laminin and collagens. However, cell adhesion can also be made through non-specific interactions between charged ligands and surface proteoglycans or other receptors (Mager et al, 2011;Massia and Hubbell, 1992). While these charge-based interactions can cooperate to adhere new protrusions to the substrate, they lack in the ability to form focal adhesions (FAs) (Lehnert et al, 2004;Massia and Hubbell, 1992).…”
Section: Introductionmentioning
confidence: 99%
“…Integrins constitute one large family of receptors, which bind specifically to ECM proteins such as fibronectin, laminin and collagens. However, cell adhesion can also be made through non-specific interactions between charged ligands and surface proteoglycans or other receptors (Mager et al, 2011;Massia and Hubbell, 1992). While these charge-based interactions can cooperate to adhere new protrusions to the substrate, they lack in the ability to form focal adhesions (FAs) (Lehnert et al, 2004;Massia and Hubbell, 1992).…”
Section: Introductionmentioning
confidence: 99%
“…Vale ressaltar que este é o primeiro relato do cultivo de macrófagos J774 em arcabouços a base de biopolímero de cana-de-açúcar e estudos futuros poderão nortear as suas possíveis aplicações. Além do que, deve-se levar em conta, que modelos de cultura celular estão se tornando prevalentes na investigação das respostas dos tecidos aos diferentes tipos de implantes (BARBANTI;ZAVAGLIA, 2005;GRAJEIRO, 2007;PLACE;EVANS;STEVENS, 2009;MAGER et al, 2011) e uso de novos arcabouços in vitro pode reduzir a extensão de testes em animais (VICTAL et al, 2014;PIRES et al, 2015).…”
Section: Resultsunclassified
“…Logo, a confiabilidade para utilização de um material biológico na engenharia de tecidos dependerá, primeiramente, dentre diversas propriedades avaliadas, de sua biocompatibilidade; ou seja, da avaliação in vitro das fases de adesão e proliferação de determinadas células em contato com o biomaterial (MADLA et al, 2005;PLACE;EVANS;STEVENS, 2009, MAGER et al, 2011. Neste contexto, os macrófagos desempenham papel crítico no desenvolvimento do processo de cicatrização, modulando a produção de quimiocinas e fatores de crescimento que promovem proliferação celular e síntese protéica.…”
Section: Introductionunclassified
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“…4 Cells therefore rarely interact with the material surface directly, the cell-material interaction is typically mediated by a surface adsorbed protein layer. 36,37 The composition and properties of the protein layers adsorbed onto a surface is determined by a multitude of factors such as solution protein composition and concentration, protein size and the specific protein-surface interaction. 38 On cell adhesive surfaces, the resulting protein layer typically includes important cell adhesion promoting proteins such as fibronectin, vitronectin, laminin and fibrinogen.…”
Section: Biointerface Propertiesmentioning
confidence: 99%