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Caracterização molecular do estroma conjuntivo de medula óssea de pacientes com síndrome mielodisplásica na infância / Molecular characterization of bone marrow connective stroma from childhood myelodysplasic syndrome patients
São Paulo; s.n; 2004. [204] p. ilus, tab, graf.
Thesis in Portuguese | LILACS | ID: lil-397910
RESUMO
Analisamos por cDNA microarray o perfil gênico de células estromais da medula óssea de crianças com síndromes mielodisplásica (SMD), leucemia mielóide aguda associada à SMD (SMD/LMA) em comparação a crianças saudáveis. Os genes diferencialmente expressos durante a transformação e evolução da SMD codificam GTPases, proteínas relacionadas a microtúbulos, matriz extracelular, tráfico de membrana, via do fas e ponto de checagem mitótico. Estes genes estão envolvidos com processos celulares tais como apoptose e proliferação, os quais podem contribuir para a patologia da SMD./We have compared the gene expression profile by cDNA microarray analysis of bone marrow stromal cells from childhood myelodysplasic syndromes (MDS), MDS-associated acute myeloid leukemia (MDS/AML) as compared with healthy children. The genes differentially expressed during the SMD transformation and evolution were associated with GTPases, microtubule formation, matrix extracellular components, membrane trafficking, fas pathway and mitotic checkpoints. These genes were involved with cellular processes, such as apoptosis and proliferation which might contribute to MDS pathology ...
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Index: LILACS (Americas) Main subject: Bone Marrow / Myelodysplastic Syndromes / Gene Expression Profiling Limits: Child / Child, preschool / Female / Humans / Infant / Male Language: Portuguese Year: 2004 Type: Thesis

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Index: LILACS (Americas) Main subject: Bone Marrow / Myelodysplastic Syndromes / Gene Expression Profiling Limits: Child / Child, preschool / Female / Humans / Infant / Male Language: Portuguese Year: 2004 Type: Thesis