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M94A0122.TXT
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1994-10-01
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Document 0122
DOCN M94A0122
TI Phenotypes of lymphocytes infiltrating non-small cell lung cancer
tissues and its variation with histological types of cancer.
DT 9412
AU Yoshino I; Yano T; Murata M; Miyamoto M; Ishida T; Sugimachi K; Kimura
G; Nomoto K; Department of Virology, Kyushu University, Japan.
SO Lung Cancer. 1993 Oct;10(1-2):13-9. Unique Identifier : AIDSLINE
MED/94348838
AB We investigated surface markers of lymphocytes infiltrating four
different histological non-small cell lung cancer tissues obtained at
surgery and the corresponding peripheral blood lymphocytes (PBL) of 40
clinical cases, who had undergone no prior anti-cancer treatment, by
flowcytometry. In estimation of the mean proportion of each lymphocyte
subset, a paired Wilcoxon test revealed that tumor-infiltrating
lymphocytes (TIL) exhibited significantly higher values of CD3+ cells (P
< 0.05), CD8+ cells (P < 0.05) and CD20+ cells (P < 0.01), and lower
value of CD16+cells (P < 0.05), as compared with those in PBL. The
Spearman test revealed that none of the values of surface markers in TIL
statistically correlated with those in the corresponding PBL (r < 0.6, P
> 0.05). Although there was no significant difference between the mean
CD4/CD8 ratio of total TIL and that of PBL, TIL of 12 patients with
squamous cell carcinoma almost always showed lower values of CD4/CD8
ratio than those in PBL (P < 0.05), while the CD4/CD8 ratio was similar
between TIL and PBL in adenocarcinoma. These results suggest that TIL of
lung cancers represent specific immunological responses, whose
characteristic depend on the histological types of lung cancers.
DE Carcinoma, Non-Small-Cell Lung/*IMMUNOLOGY CD4-CD8 Ratio Human
Immunophenotyping Lung Neoplasms/*IMMUNOLOGY Lymphocytes,
Tumor-Infiltrating/*IMMUNOLOGY T-Lymphocyte Subsets/IMMUNOLOGY JOURNAL
ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).