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Master's Dissertation
DOI
https://doi.org/10.11606/D.87.2014.tde-09122014-090321
Document
Author
Full name
Nathalia Longhini dos Santos
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2014
Supervisor
Committee
Vicente, Elisabete Jose (President)
Eça, Lilian Piñero Marcolin
Visintin, José Antonio
Title in Portuguese
Terapia celular em modelo experimental do enfisema pulmonar induzido por meio de fumaça de cigarro.
Keywords in Portuguese
Células mesenquimais
Células tronco da Medula Óssea
Enfisema pulmonar
Modelo animal
Terapia celular
Abstract in Portuguese
O enfisema pulmonar é caracterizado pela destruição das paredes alveolares, sendo a fumaça de cigarro o principal agente etiológico. Pretendeu-se, neste estudo, comparar os efeitos terapêuticos do transplante de células mononucleares da medula óssea (BMMC) e células mesenquimais (CTM) em animais com enfisema pulmonar induzido por exposição à fumaça de cigarro. Camundongos fêmeas da linhagem C57Bl6/J foram expostos à fumaça de cigarro durante 90 dias e, 21 dias após o término do período de exposição, receberam BMMC ou CTM derivadas da medula óssea de camundongos machos da linhagem C57Bl6/J, expressando a proteína GFP. As análises morfométricas mostraram que os tratamentos com BMMC e CTM foram eficientes na recuperação do parênquima pulmonar dos animais expostos à fumaça de cigarro. Testes de fluorescência direta e PCR mostraram a migração de BMMC e CTM para o pulmão. Desta forma, pode-se concluir que, morfologicamente, a terapia celular com BMMC ou CTM é eficaz no tratamento do enfisema pulmonar resultante da exposição à fumaça de cigarro em modelo animal.
Title in English
Cell therapy in an experimental model of pulmonary emphysema induced by cigarette smoke.
Keywords in English
Animal model
BMMC
Cell theraphy
MSC
Pulmonary emphysema
Abstract in English
Pulmonary emphysema is characterized by destruction of alveolar walls, and the cigarette smoking is the main etiologic agent. It was intended in this study to compare the therapeutic effects of the transplantation of bone marrow mononuclear cells (BMMC) and mesenchymal stem cells (MSC) in animals with pulmonary emphysema induced by exposure to cigarette smoke. C57Bl6/J female mice were exposed to cigarette smoke for 90 days and 21 days after the end of the exposure time, received BMMC or MSC derived from bone marrow of C57Bl6/J male mice expressing the GFP protein. The morphometric analysis showed that treatments with BMMC and MSC were efficient in recovering the lung of animals exposed to cigarette smoke. Fluorescence and PCR tests showed the migration of BMMC and MSC to the lung. Thus, it is concluded the cell therapy with BMMC or CTM is morphologically effective in the treatment of pulmonary emphysema resulting from exposure to cigarette smoke in an animal model.
 
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Publishing Date
2014-12-11
 
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