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1996-01-30
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Document 0527
DOCN M9610527
TI Natural killer (NK) and lymphokine-activated killer (LAK) activities in
a patient who recovered from cancer, and the characteristics of LAK
cells generated from CD4-CD8- and CD8+ peripheral blood lymphocytes.
DT 9601
AU Komatsu F; Kihara K; Blood Transfusion Service, School of Medicine,
Tokyo Medical &; Dental University, Japan.
SO Clin Immunol Immunopathol. 1995 Oct;77(1):75-81. Unique Identifier :
AIDSLINE MED/96010056
AB The natural killer (NK) and lymphokine-activated killer (LAK) activities
of a patient who recovered from bladder transitional cell carcinoma were
determined. The patient was diagnosed in 1980 and repeated several
therapies until 1986. Since 1987, he has been in a tumor-free state.
Recently, very high NK and LAK activities were found. The NK activity
was recognized not only against the NK-sensitive cell line K562, but
also against NK-unsensitive Raji and Daudi cell lines and against
autotumor cell line H41. The percentage of CD16+ in peripheral blood
lymphocytes (PBL) was 52.9%, the CD8+CD16+ was 26.3%, and the
CD4-CD8-CD16+ was 26.6% (17.5, 5.4 and 12.1% in healthy blood donor
(control), respectively). Because the patient had large numbers of
CD4-CD8- cells in the PBL, CD4-CD8- LAK were generated from them. The
CD4-CD8- LAK cells exhibited extremely high killer activity, whereas the
CD8+ LAK cells generated from the CD8+ cells showed a low level of
killer activity. These results suggest that the tumor-free condition of
this patient may be related to these high killer activities. In this
patient, several cytokines were also determined, although the results
were not completely interpreted.
DE Bladder Neoplasms/*IMMUNOLOGY Carcinoma, Transitional Cell/*IMMUNOLOGY
Case Report Cytokines/BLOOD Cytotoxicity, Immunologic CD8-Positive
T-Lymphocytes/*IMMUNOLOGY Human Immunity, Cellular Immunity, Natural
Killer Cells, Lymphokine-Activated/*IMMUNOLOGY Killer Cells,
Natural/*IMMUNOLOGY Lymphocyte Subsets/*IMMUNOLOGY Male Middle Age
Time Factors JOURNAL ARTICLE
SOURCE: National Library of Medicine. NOTICE: This material may be
protected by Copyright Law (Title 17, U.S.Code).