All patients examined [52] with malignant disease of the female genital tract showed lymphocyte reactions to encephalitogenic factor (EF) of more than 10% as measured by the macrophage electrophoretic mobility (MEM) test and its modification (MOD-MEM). Whilst 13 patients with non-malignant disease of the genital tract and 30 normals showed lymphocyte reaction to EF of less than 6%, 4 patients with nonmalignant gynaecological disease gave values above the 10% limit. The lymphocyte reactions of this latter group of patients were discussed with respect to their previous clinical histories. Some of the malignant cases were carcinoma of the cervix in situ so that the MEM test would appear to be of value in the early diagnosis of cancer. The need for caution in the interpretation of results is discussed as well as further possible applications of the technique.
The macrophage-electrophoretic-mobility (MEM) tests of Field and Caspary demonstrates the macrophage-slowing factor (MSF) produced by specifically sentised blood lymphocytes after incubation with the homologous antigen. Besides other diseases with a cellular immune reaction like multiple sclerosis malignant tumours show a reduction of the macrophage mobility in the cell electrophoresis. A significant inhibition in the MEM- test was found in 30 out of 33 tumours of the CNS. Glioblastomas, astrocytomas, spongioblastomas, ependymomas, neurinomas, meningiomas, and a myxofibroma showed a positive result (more than 10% inhibition). The results in ectodermal tumours (pituitary adenoma, craniopharyngioma) differed; secondary brain tumours showed the greatest inhibition.
Preparations of allogenous and xenogenous retinal rod outer segments (ROS) were found to be adequately antigenic for detection of cellular immunity in human chorioretinitis. The electrophoretic mobility test was used for estimation of delayed-type hypersensitivity. No significant results with ROS were found in patients with panophthalmia or in control subjects. It is assumed that the results reported here in chronic ophthalmic inflammation may be produced by or connected with autoimmune processes.
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