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1.
Chinese Medical Journal ; (24): 2512-2516, 2011.
Artigo em Inglês | WPRIM | ID: wpr-338517

RESUMO

<p><b>BACKGROUND</b>Previous studies showed that anti MHC-II monoclone antibody (MAb) only had partial inhibiting effect of alloreactive mixed lymphocyte reaction (MLR) in vitro and it was unsteady and non-persistent. The aim of this research was to determine whether radioactive isotope (188)Re marked MHC-II antibody could benefit the allograft acceptance in transplantation as compared to normal MHC-II antibody.</p><p><b>METHODS</b>188Re was incorporated to 2E9/13F (ab')(2) which is against swine MHC class II antigen (MAb-(188)Re). Porcine peripheral blood mononuclear (PBMC) cells were examined for proliferation and cytokine mRNA expression after stimulation with MHC-II MAb or MAb-(188)Re.</p><p><b>RESULTS</b>The proliferative response of recipient PBMCs in mixed lymphocyte reaction (MLR) to donor alloantigen showed that the stimulation index of MAb-(188)Re group was significantly lower than the MHC-II MAb group and control (P < 0.05). mRNA expression of interleukin 2, interferon Υ and tumor necrosis factor α (type 1 cytokines) was lower in MAb-(188)Re group than the MHC-II MAb group, while interleukin 10 (type 2 cytokines) was higher in MAb-(188)Re group in the first 24 hours.</p><p><b>CONCLUSION</b>MAb-(188)Re could help the graft acceptance by inhibiting T cell proliferation, lowering the expression of type 1 cytokines and elevating the type 2 cytokines produced by PBMC.</p>


Assuntos
Animais , Anticorpos Monoclonais , Química , Farmacologia , Proliferação de Células , Interleucina-10 , Genética , Interleucina-2 , Genética , Isoantígenos , Alergia e Imunologia , Leucócitos Mononucleares , Efeitos da Radiação , Teste de Cultura Mista de Linfócitos , Mitomicina , Farmacologia , Radioisótopos , Reação em Cadeia da Polimerase Via Transcriptase Reversa , Rênio , Suínos , Fator de Necrose Tumoral alfa , Genética
2.
Chinese Medical Journal ; (24): 105-107, 2008.
Artigo em Inglês | WPRIM | ID: wpr-255758

RESUMO

<p><b>BACKGROUND</b>Laparoscopic splenectomy (LS) shows many advantages compared with open surgery except for the high cost. This study was aimed to recommend secondary pedicle division strategy as a method with high cost-effectiveness.</p><p><b>METHODS</b>From January 2003 to June 2005, 14 consecutive patients underwent laparoscopic splenectomy. The splenic pedicle was controlled by secondary pedicle division strategy in 8 cases and by Endo-GIA in the other 6 cases. A retrospective study was carried out to evaluate the operative time, blood loss, time to diet, operative morbidity, postoperative stay, and operative cost.</p><p><b>RESULTS</b>LS was performed successfully in a total of 14 cases. There was no significant difference between the two strategies in operative time, blood loss, time to diet, operative morbidity and postoperative stay. The operative cost of secondary pedicle division strategy group (RMB 8354.38 +/- 752.10) was significantly lower than that of Endo-GIA group (RMB 11053.33 +/- 602.27) (P < 0.01).</p><p><b>CONCLUSIONS</b>Laparoscopic splenectomy by secondary pedicle division strategy is a safe, effective and economical procedure with the value of popularization in developing countries.</p>


Assuntos
Adolescente , Adulto , Idoso , Feminino , Humanos , Masculino , Pessoa de Meia-Idade , Análise Custo-Benefício , Laparoscopia , Métodos , Estudos Retrospectivos , Esplenectomia , Métodos
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