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- W2409888993 abstract "To compare biological charicteristics between tumor-infiltrating lymphocytes (TIL) and tumor-associated lymphocytes (TAL) in epithelial ovarian carcinomas.The surgical samples of four ovarian specimens and eight cancer ascites from epithelial ovarian carcinoma were collected, and ascites were divided into bloody and non-bloody groups. The cancer tissue was dissected to yield single cells suspensions. TIL and TAL were grown in coculture with autologous tumor cells and 500 U/ml recombinant interleukin-2 (rIL-2). Phenotype was studied using flow cytometry for a varity of human immunocompetent cell surface markers (CD3, CD4, CD8, CD25). Cytotoxicity was investigated using 4-hr 51Cr-release assays with primary ovarian carcinoma cell cultures and the CAOV3 cell line and the K562 cell line as target cells in cultured period.(1) There was no significant difference in CD3, CD4, CD8 and CD25 expression among the three groups (P > 0.05). CD4 to CD8 (CD4/CD8) ratio was consistently more than 1 in cultured period. (2) In all three groups, Natural killer (NK) acitivity was high and no difference among them (P > 0.05). (3) In all twelve cases, TIL and TAL in the non-bloody ascites possess higher potential to lyse the autologous tumor target than TAL in the bloody ascites (P < 0.01) when effector cell to target cell (E:T) was 50 to 1 (50:1). Lytic activity was 30.2%-51.0% and 10.8%-15.8% respectively.TIL and TAL in non-bloody ascites in epithelial ovarian cancer have the same biological characteristics." @default.
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- W2409888993 date "1998-10-01" @default.
- W2409888993 modified "2023-09-26" @default.
- W2409888993 title "[The comparison of biological characteristics between tumor-infiltrating lymphocytes and tumor-associated lymphocytes in ascites of epithelial ovarian carcinoma]." @default.
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