Abstract:
:Evidence is presented which indicates a possible reduction in recognition capacity for tumour cell antigens (EB(2) Burkitt lymphoma cell line) by lymphocytes from some patients with longstanding but inactive Crohn's disease. Three out of seven patients tested also showed diminished or absent lymphocytotoxicity when their cells were grown in mixed culture with chromium-labelled lymphoma cells and absent response has never been observed in a large series of controls similarly tested. In both test systems impaired reactivity appeared to be partly caused by a factor present in Crohn's disease serum. Increased tumour incidence in Crohn's disease may in part be attributable to defective immune surveillance and the histology of Crohn's disease could reflect an imbalance between the proliferative and the cytotoxic responses of lymphocytes to various antigens in the bowel lumen in this disease.
journal_name
Gutjournal_title
Gutauthors
Maclaurin BP,Cooke WT,Ling NRdoi
10.1136/gut.13.8.614subject
Has Abstractpub_date
1972-08-01 00:00:00pages
614-20issue
8eissn
0017-5749issn
1468-3288journal_volume
13pub_type
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