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Master's Dissertation
DOI
https://doi.org/10.11606/D.10.2016.tde-23022015-092457
Document
Author
Full name
Cristiane Cagnoni Ramos
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2014
Supervisor
Committee
Braga, Patricia Cristina Baleeiro Beltrao (President)
Nishiyama, Ana Claudia Oliveira Carreira
Pignatari, Graciela Conceição
Title in Portuguese
Terapia celular associada à proteína morfogenética óssea para o tratamento de defeito de calvária murina em ratos
Keywords in Portuguese
Calvária
Célula-tronco
Proteína Morfogenética Óssea
Regeneração óssea
Abstract in Portuguese
O tecido ósseo é considerado um tecido complexo e possui alta capacidade de reparação espontânea quando lesionado. Entretanto, em algumas patologias esta capacidade pode estar comprometida por diversos fatores extrínsecos e intrínsecos ao organismo. Em decorrência de sua capacidade plástica, o uso de células-tronco para terapia celular regenerativa tem se tornado uma importante ferramenta no tratamento de lesões ósseas e de doenças decorrentes da perda da densidade mineral óssea (DMO). Em contraste, o uso da Proteína Morfogenética Óssea (BMP) ganhou grande destaque pela sua eficácia em tratar doenças ósseas de caráter crônico e, quando associadas a células-tronco, trouxe um melhor resultado para tais desordens. Assim, o presente trabalho teve como objetivo avaliar a associação de célula-tronco mesenquimal de medula óssea (MSC Mesenchymal Stem Cells) e BMP-7 na regeneração óssea a partir de defeito ósseo induzido na calvária murina no 60º dia de tratamento. Foram realizadas imagens radiográficas da calvária e, após os dias estipulados, o material foi coletado para análise de microscópica. Os dados obtidos sugerem que o modelo de regeneração óssea proposto foi apropriado para avaliar a resposta terapêutica usando MSC e BMP-7, onde o cultivo e pré-diferenciação de MSC com BMP-7 produziu melhores resultados do que os outros tratamentos realizados
Title in English
Cell therapy associated with bone morphogenetic protein for the treatment of murine calvarial defect in rats
Keywords in English
Bone Morphogenetic Protein
Bone regeneration
Calvaria
Stem cell
Abstract in English
Bone tissue is considered a complex tissue and has high capacity for spontaneous recovery when injured. However, in some conditions this capacity can be compromised by several extrinsic and intrinsic factors to the body. Due to its plastic capacity, the use of stem cells for regenerative cell therapy has become an important tool in the treatment of bone injuries and diseases resulting from loss of bone mineral density (BMD). In contrast, the use of Bone Morphogenetic Protein (BMP) has gained wide attention for its effectiveness in treating bone diseases were chronic and brought a better outcome for such disorders when associated with stem cells. Thus, the present study aimed to evaluate the association of bone marrow mesenchymal stem cells (MSC) and BMP-7 in bone regeneration from bone defects induced in murine calvaria on the 60th day of treatment. Radiographic images of the calvaria were performed and after the stipulated days the material was collected for microscopic essays. The data obtained suggest that the proposed model of bone regeneration was appropriate to assess the therapeutic response using MSC and BMP-7, where the pre cultivation and differentiation of MSCs with BMP-7 produced better results than the other treatments performed.
 
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Publishing Date
2016-09-05
 
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