[Immunofluorescence microscopy of a malignant glioma with regard to the occurrence and significance of glioma specific antibodies].

The paper deals with the question of the occurrence and possible importance of the glioma-specific humoral antibodies to the growth of malignant gliomas. The use of the immunofluorescence technique by means of fluorescein isothiocyanate labelled antihuman immunoglobulin sera permits to make the presence of antibodies of various types in the tumor cell membranes of autopsy material probable. Such non-cytotoxic antibodies might promote the growth of malignant gliomas by an inhibition of the cell-mediated immunoreaction (efferent enhancement).