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Thèse de Doctorat
DOI
https://doi.org/10.11606/T.5.2003.tde-21102005-113808
Document
Auteur
Nom complet
Andreza Alice Feitosa Ribeiro
Unité de l'USP
Domain de Connaissance
Date de Soutenance
Editeur
São Paulo, 2003
Directeur
Jury
Bendit, Israel (Président)
Giglio, Auro Del
Maluf Junior, Paulo Taufi
Odone Filho, Vicente
Souza, Carmino Antonio de
Titre en portugais
"Células mononucleares de sangue de cordão umbilical e de sangue periférico estimulado com fator de crescimento granulocítico (G-CSF) : análise da proliferação e de apoptose in vitro"
Mots-clés en portugais
APOPTOSE/fisiologia
CÉLULAS ESTROMAIS/fisiologia
CITOCINAS/agonistas
CORDÃO UMBILICAL/transplante
CULTURA DE CÉLULAS/métodos
DIVISÃO CELULAR/imunologia
FATORES DE CRESCIMENTO DE CÉLULAS HEMATOPOIÉTICAS/agonistas
IN VITRO
LEUCÓCITOS MONONUCLEARES/imunologia
MOLÉCULAS DE ADESÃO CELULAR/sangue
Resumé en portugais
Células mononucleares de sangue de cordão umbilical (SCU) e sangue periférico mobilizado (SPM) com G-CSF, foram cultivadas in vitro com citocinas, na presença ou não de estroma de medula óssea. Os objetivos foram avaliar a capacidade proliferativa de células progenitoras, a ocorrência de apoptose e expressão de integrina. Nas culturas sem estroma, a celularidade aumentou 5 vezes (SCU) e não se alterou nas de SPM. O total de células CD34+ caiu em ambas culturas. Com estroma, o total de células nucleadas aumentou 7 vezes (SCU) e 2,3 vezes (SPM). O total de células CD34+ permaneceu o mesmo. A apoptose foi menor nas culturas de SCU. A expressão de integrina caiu, na população de células CD34+ e de CD45+
Titre en anglais
Mononuclear cells from umbilical cord blood and from granulocyte colony-stimulating factor (G-CSF) mobilized peripheral blood. Analysis of proliferation and apoptosis in vitro
Mots-clés en anglais
APOPTOSES/physiology
CELL ADHESION MOLECULES/blood
CELL CULTURE/methods
CELL DIVISION/immunology
CYTOKINES/agonists
HEMATOPOIETIC CELL GROWT FACTORS/agonists
IN VITRO
LEUKOCYTES MONONUCLEAR/immunology
STROMAL CELLS/physiology
UMBILICAL CORD/transplantation
Resumé en anglais
Mononuclear cells from umbilical cord blood (UCB) and G-CSF mobilized peripheral blood (MPB), were cultured in vitro, in the presence of cytokines, with or without bone marrow stroma. The aims were to evaluate the proliferative response of progenitor cells, occurrence of apoptosis and expression of adhesion molecule. In cultures without stroma, cellularity increased 5-fold for UCB, but has not changed for MPB. The number of CD34+ cells has dropped in both culture. With stroma, total nucleated cells had a 7-fold increse (UCB) and a 2,3-fold (MBP), however, CD34+ cells number has not changed. Apoptosis was lower in UCB culture. The expression of integrin decreased, in the CD34+ and CD45+ population
 
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Date de Publication
2005-10-25
 
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