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M9460240.TXT
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1994-06-12
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Document 0240
DOCN M9460240
TI Selective depression of T-lymphocyte subsets in gastric cancer patients:
an implication of immunotherapy.
DT 9408
AU Lee WJ; Chang KJ; Lee CS; Chen KM; Department of Surgery, National
Taiwan University Hospital,; Taipei, Republic of China.
SO J Surg Oncol. 1994 Mar;55(3):165-9. Unique Identifier : AIDSLINE
MED/94231774
AB The lymphocytes and their subsets were determined in the peripheral
blood of 62 gastric cancer patients and 68 controls using fluorescent
conjugated monoclonal antibodies and flow cytometry (FACScan method). A
significant increase in the total number of white blood cells from
gastric cancer patients was noted in comparison to controls, but the
percentage of lymphocytes was the same. The percentage of suppressor
(cytotoxic) T cells (CD8) showed no difference in all stages of gastric
cancer patients evaluated, but the percentage of helper (inducer) T
cells (CD4) and the CD4/CD8 ratio decreased significantly in the
advanced stages III and IV. Depression of the CD4/CD8 ratio was well
correlated with tumor invasion, lymph node metastasis, and tumor size
but not with sex, age, tumor location, gross type, or histologic
differentiation. It appeared that the immune defect of gastric cancer
patients was associated with the afferent arm (CD4) and worsened as the
disease advanced. These results suggest that immunotherapy to stimulate
the deficient immune system may play an important part in the
multimodality treatment of patients with advanced gastric cancer.
DE Cell Separation *CD4-CD8 Ratio Female Flow Cytometry Human
Immunocompromised Host/*IMMUNOLOGY Immunotherapy Leukocyte Count Male
Middle Age Stomach Neoplasms/BLOOD/*IMMUNOLOGY/THERAPY Support,
Non-U.S. Gov't T-Lymphocyte Subsets/*CYTOLOGY JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).