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Natural killer cells in coeliac disease
Journal of Clinical & Laboratory Immunology
|August 1, 1985
Summary
Coeliac disease patients do not have deficient natural killer (NK) cell numbers or activity, despite an increased risk of lymphoma. This study found normal NK cell function in coeliac patients, suggesting other factors contribute to malignancy risk.
Area of Science:
- Immunology
- Gastroenterology
- Oncology
Background:
- Coeliac disease is linked to an unexplained increased risk of lymphoma.
- Natural killer (NK) cells are crucial for immune surveillance and cancer protection.
- Understanding NK cell function in coeliac disease is vital for explaining malignancy risk.
Purpose of the Study:
- To investigate NK cell numbers and activity in patients with coeliac disease.
- To determine if impaired NK cell function contributes to the heightened lymphoma risk in coeliac disease.
Main Methods:
- Monoclonal antibody (Leu 11b) and functional assays were used to measure NK cell parameters.
- Study included 32 treated coeliac patients, 10 splenectomized subjects, 14 control patients, and 26 normal subjects.
- NK cell proportions and cytotoxic activity were compared across groups, including those with hyposplenism.
Main Results:
- Proportions of NK cells (Leu 11b+) were similar in coeliac patients and normal subjects.
- NK cell activity was not significantly different between coeliac patients and controls.
- NK cell activity correlated positively with the percentage of NK cells (r = 0.64; p < 0.01).
- NK cell activity remained normal in coeliac patients with hyposplenism and in splenectomized individuals.
Conclusions:
- The increased risk of malignancy in coeliac disease is not attributable to deficient NK cell numbers or activity.
- NK cell function appears preserved in coeliac disease, irrespective of spleen status.