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Zhongguo Shi Yan Xue Ye Xue Za Zhi ; 12(1): 59-62, 2004 Feb.
Artigo em Chinês | MEDLINE | ID: mdl-14989770

RESUMO

To study the mobilization of peripheral blood stem cells (PBSC) with anti-CD49d monoclonal antibody and try to find a new method for mobilization of PBSC, anti-CD49d McAb, rhG-CSF and combination of anti-CD49d McAb with rhG-CSF were administered subcutaneously to mice separately, the count of white blood cells (WBC) and percentage of CD34(+) cells in peripheral blood of donor mice were dynamically observed, CD34 positive cells obtained by above methods were transfused to recipient mice. The results showed that the count of WBC and percentage of CD34(+) cells in peripheral blood of donor mice elevated significantly after the administration of anti-CD49d McAb, rhG-CSF or combination of anti-CD49d McAb with rhG-CSF. The most effective method for mobilization is the combination of rhG-CSF with anti-CD49d McAb. Reconstitution of hematopoiesis was successful in all group recipient mice after transplantation. Most rapid hematopoietic recovery was observed in recipient mice by rhG-CSF plus anti-CD49d McAb for mabilization. In conclusion, anti-CD49d McAb is effective and synergistic with rhG-CSF in mobilization of CD34 positive cells from bone marrow into peripheral blood.


Assuntos
Anticorpos Monoclonais/farmacologia , Antígenos CD34/análise , Mobilização de Células-Tronco Hematopoéticas , Transplante de Células-Tronco Hematopoéticas , Integrina alfa4/imunologia , Animais , Feminino , Fator Estimulador de Colônias de Granulócitos/farmacologia , Hematopoese , Masculino , Camundongos , Camundongos Endogâmicos BALB C , Proteínas Recombinantes
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