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Utilização de engenharia de tecidos no tratamento de feridas crônicas

Authors: Sá, Patrícia Amorim de;

Utilização de engenharia de tecidos no tratamento de feridas crônicas

Abstract

A pele é o maior órgão do corpo humano sendo também o órgão mais suscetível de lesões que permitem a limitação da qualidade de vida de um paciente, pelo que as feridas crônicas são cada vez mais presenciadas. Para combater esta consequência surgiu a engenharia de tecidos que permite a implantação de substitutos cutâneos semelhantes à pele humana, através do desenvolvimento de suportes que são denominados por scaffolds que podem ser de origem biológica ou sintética. Associando a estes suportes as células tronco mesenquimais e uma matriz extracelular é possível regenerar o tecido lesado ou obter um novo tecido cutâneo. Neste trabalho de revisão bibliográfica é descrito o conceito e a técnica de base da engenharia de tecidos; as células e os biomateriais utilizados nos substitutos cutâneos; a constituição da pele e a cicatrização das feridas crônicas e por fim os produtos comercializados de substitutos biológicos cutâneos. The skin is the largest organ of the human body also being the most susceptible organ lesions that allow limiting the quality of life of a patient, so the chronic wounds are increasingly being witnessed. To counteract this consequence tissue engineering has emerged that allows the deployment of skin substitutes like human skin, by developing supports that are called for scaffolds that can be of biological or synthetic origin. Associating these supports stem cell mesenchymal and an extracellular matrix can regenerate damaged tissue or get a new skin tissue. In this literature review paper describes the concept and basic technique of tissue engineering; cells and biomaterials used in skin substitutes; the constitution of the skin and the healing of chronic wounds and finally the products marketed biological skin substitutes.

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Keywords

Scaffolds, Biomaterials, Medicina regenerativa, Células tronco mesenquimais, Tecido cutâneo, Feridas crônicas, Regenerative medicine, Skin tissue, Mesenchymal stem cells, Engenharia de tecidos, Tissue engineering, Biomateriais, Chronic wounds

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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