Document Detail

The long term effects of radiation of T and B lymphocytes in the peripheral blood after regional irradiation.
MedLine Citation:
PMID:  144554     Owner:  NLM     Status:  MEDLINE    
The long term alterations of T and B lymphocytes in the peripheral blood of patients treated with regional irradiation for various malignancies were examined. Eighty patients were tested at various intervals after the completion of irradiation. Absolute lymphocyte counts, the percentages of T cells and B cells, and the blastogenic response to phocyte reaction (MLR) were determined. Nearly all patients initially had absolute lymphocytopenia and one-third of the patients tested 3 years after completion of irradiation had lymphocyte counts which were more than two standard deviations below the normal range. The depression was not specific for either the T-or B-lymphocyte subpopulations. The PHA response was impaired for extended periods of time after the completion or irradiation. Differences in the mean response of lymphocytes to PHA were noted for all concentrations of the mitogen, but were most marked with suboptimal concentrations of PHA. The MLR was below the lower limits of normal in 70% of the recently irradiated patients. There was a gradual recovery of the ability to respond in the MLR, and all patients tested more than 4.5 years after the completion of therapy had a normal response. These results were compared with those obtained in patients treated with total lymphoid irradiation for Hodgkin's disease. Although three appeared to be a difference in the effect of radiation on lymphocyte subpopulations in the two groups, the effects on lymphocyte function were similar.
R T Hoppe; Z Y Fuks; S Strober; H S Kaplan
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Publication Detail:
Type:  Journal Article; Research Support, U.S. Gov't, P.H.S.    
Journal Detail:
Title:  Cancer     Volume:  40     ISSN:  0008-543X     ISO Abbreviation:  Cancer     Publication Date:  1977 Nov 
Date Detail:
Created Date:  1978-01-27     Completed Date:  1978-01-27     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0374236     Medline TA:  Cancer     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  2071-8     Citation Subset:  AIM; IM    
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MeSH Terms
B-Lymphocytes / radiation effects*
Cell Separation
Lymphocyte Activation
Lymphocyte Culture Test, Mixed
Neoplasms / radiotherapy*
T-Lymphocytes / radiation effects*
Time Factors

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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