NATURAL KILLER (NK) ACTIVITY IN CHILDREN WITH ACUTE L YMPHOBLASTIC LEUKEMIA

Hiroshima Journal of Medical Sciences Volume 30 Issue 2 Page 127-133 published_at 1981-06-10
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Title ( eng )
NATURAL KILLER (NK) ACTIVITY IN CHILDREN WITH ACUTE L YMPHOBLASTIC LEUKEMIA
Title ( jpn )
急性リンパ性白血病患児のナチュラル・キラー(NK)活性について
Creator
Tanaka Yoshito
Source Title
Hiroshima Journal of Medical Sciences
Volume 30
Issue 2
Start Page 127
End Page 133
Journal Identifire
[PISSN] 0018-2052
[EISSN] 2433-7668
[NCID] AA00664312
Abstract
The natural killer (NK) activity against K 562 target cells was explored in 20 children with acute lymphoblastic leukemia (ALL).  

Three of 5 patients examined at the time of diagnosis had normal NK activity. Two patients, who had more than 80% circulating blasts had significantly low NK activity. The level of NK activity of these 5 patients was inversely proportional to the percentage of blast cells contaminating the effector cell populations. After initiating induction chemotherapy, the NK activity decreased in spite of disappearance of circulating blasts. After complete remission, their NK activity returned to normal levels, and was rather higher than that of onset of the disease.  

NK activity of 15 children with ALL remaining in continuous complete remission was as high as that of healthy children and healthy adults in spite of intensive maintenance chemotherapy for 1/2 to 4 years. This was thought to be due to intermittent dose-schedule of the maintenance chemotherapy.
Descriptions
This work was supported by a Research Grant (No. 544050) from the Ministry of Education, Science and Culture of Japan.
NDC
Medical sciences [ 490 ]
Language
eng
Resource Type departmental bulletin paper
Publisher
Hiroshima University School of Medicine
Date of Issued 1981-06-10
Publish Type Version of Record
Access Rights open access
Source Identifier
[ISSN] 0018-2052
[NCID] AA00664312