2010
DOI: 10.3233/ch-2010-1350
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In vivo evaluation of the angiogenic effects of the multiblock copolymer PDC using the hen's egg chorioallantoic membrane test

Abstract: Multiblock copolymers with shape-memory capability attracted tremendous interest as promising candidate materials for smart, degradable implants. In the present study the hen's egg-chorioallantoic membrane test (HET-CAM test) was used to investigate the angiogenic properties of a thermoplastic, biodegradable multiblock copolymer PDC composed of poly (p-dioxanone) hard segments (PPDO) and crystallizable poly(-caprolactone) switching segments (PCL), whereby PPDO and PCL homopolymers were investigated as controls… Show more

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Cited by 12 publications
(5 citation statements)
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References 24 publications
(31 reference statements)
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“…SMP-based tissue engineering applications have been reported with various targets, encouraging the repair and regeneration of patients’ tissues, which will substitute the implanted materials [ 9 , 33 , 34 , 35 ]. Hiebl et al implanted a multiblock copolymer comprising poly (p-dioxanone) and PCL to induce blood vessel formation [ 19 ]. The properties of poly (1,10-decanediol-co-citrate) (PDC), which encourage blood vessel formation and produce small degradation particles, are speculated to provide good tissue integration ability [ 19 ].…”
Section: Applications Of Bsmpsmentioning
confidence: 99%
See 2 more Smart Citations
“…SMP-based tissue engineering applications have been reported with various targets, encouraging the repair and regeneration of patients’ tissues, which will substitute the implanted materials [ 9 , 33 , 34 , 35 ]. Hiebl et al implanted a multiblock copolymer comprising poly (p-dioxanone) and PCL to induce blood vessel formation [ 19 ]. The properties of poly (1,10-decanediol-co-citrate) (PDC), which encourage blood vessel formation and produce small degradation particles, are speculated to provide good tissue integration ability [ 19 ].…”
Section: Applications Of Bsmpsmentioning
confidence: 99%
“…Hiebl et al implanted a multiblock copolymer comprising poly (p-dioxanone) and PCL to induce blood vessel formation [ 19 ]. The properties of poly (1,10-decanediol-co-citrate) (PDC), which encourage blood vessel formation and produce small degradation particles, are speculated to provide good tissue integration ability [ 19 ].…”
Section: Applications Of Bsmpsmentioning
confidence: 99%
See 1 more Smart Citation
“…A remoção somente da MCA mostrou-se dificultosa, pois ela é viscosa e tem a propriedade de se enrugar e enrolar em si própria. A grande maioria dos autores escolhe compor a análise pela avaliação microscópica, por ser um método mais simples e de menor custo (63)(64)(65).…”
Section: Resultsunclassified
“…uma intensa rede vascular. Por essas características o ensaio em membrana corioalantóica do ovo de galinha tem sido amplamente utilizado(60).Em 2000, Bernardini e colaboradores(61)utilizaram esse ensaio para avaliar a capacidade in vivo do efeito angiogênico da quimiocina I-309 em esponja de fibrina sobre a membrana membrana corioalantóica e mantidas até o décimo oitavo dia embrionário, esse ensaio mostrou-se eficiente para comprovar que a neovascularização aumentou a eficiência do sensor(62).Esse ensaio também foi utilizado para avaliar diferentes polímeros, Poli (pdioxanone) e poli (ε-caprolactone), homopolímeros foram usados como controle, para tal, o ovo foi aberto e os materiais implantados no oitavo dia embrionário, a indução significativa de macro e micro vasos foi significativa no grupo Poli (pdioxanone)(63).Estruturas em biovidro com revestimento de colágeno foi utilizado para semear células tronco derivada de tecido adiposo humano e fibroblastos humanos. As amostras foram colocadas na membrana corioalantóica no sétimo dia embrionário.As imagens digitais foram realizadas no décimo dia embrionário, as bifurcações e interconexões dos vasos foram contadas utilizando o software ImageJ.…”
unclassified