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In vitro INDUCTION OF ANTI-TUMOR RESPONSIVENESS BY DENDRITIC CELLS PULSED WITH TUMOR EXTRACTS / 解剖学报
Acta Anatomica Sinica ; (6)1989.
Artigo em Chinês | WPRIM | ID: wpr-569711
ABSTRACT
Objective The present study was designed to investigate whether pulsing DCs with tumor-derived extracts is an ef- fective way to induce CTL. and antitumor immunity, Methods DCs were propagated from bone marrow (BM)of C57BL/6J(H-2Kb. I- Ab)mice in vitro with GM-CSF + IL-4tumor associated antigen (TAA) extracted from actively growing Hepa 1-6 cells was used to activate DCs. The phenotypes of DCs were detected by FACS, the cytotoxicity of CTL was as- sayed by 3H-TdR labbel assay. Result and Conclusion The TAA extract pulsed DCs exhibited much more and longer cell processes and increased expression of MHC- Ⅰ, MHC-Ⅱ, CD80 (B7-1 ) 、 CD86 (B7-2 ). This experiment has shown that DCs pulsed with TAA extracts of C57B/6J cells could stimulate effectively the responsiveness of syngenic splenic T cells to induce specific CTL against C57BL/6J cells.

Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Acta Anatomica Sinica Ano de publicação: 1989 Tipo de documento: Artigo

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Texto completo: DisponíveL Índice: WPRIM (Pacífico Ocidental) Idioma: Chinês Revista: Acta Anatomica Sinica Ano de publicação: 1989 Tipo de documento: Artigo