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American Journal of Pathology, Vol 122, 28-35, Copyright © 1986 by American Society for Investigative Pathology

REGULAR ARTICLES

Expression of neurofilament triplet proteins in human neural tumors. An immunohistochemical study of paraganglioma, ganglioneuroma, ganglioneuroblastoma, and neuroblastoma

M Mukai, C Torikata, H Iri, Y Morikawa, K Shimizu, T Shimoda, N Nukina, Y Ihara and K Kageyama

Intermediate filaments which are specific to neural cells, ie, neurofilaments, consist of three subcomponents--68, 150, and 200 kd. Thirty human neural tumors were examined for the presence of these three subcomponents by means of their monospecific antisera. All 8 paragangliomas contained cells that were positive for the 68-kd component, but only 5 of them had cells positive for the 150-kd and 200- kd components. All 4 ganglioneuromas and 11 ganglioneuroblastomas contained cells that reacted with antibodies to all three components. All 7 neuroblastomas had cells reacting with antibody to 68 kd, but only 3 of them had cells that reacted with antibodies to 150 kd and 200 kd. In each case, the number of positive cells depended on the antibody used. The largest number reacting with antibody to 68 kd and the smallest with antibody to 200 kd. Furthermore, it was possible to detect tumor cells in which the 68-kd subcomponent existed by itself, but no tumor cells in which the 150-kd or 200-kd subcomponent existed alone could be detected. These results seem to indicate that antibody to the 68-kd component is sufficiently discriminating to be applied diagnostically.


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H.-K. Ng, H. C. W. Ko, and C. C. H. Tse
Immunohistochemical and Ultrastructural Studies of Oligodendrogliomas Revealed Features of Neuronal Differentiation
International Journal of Surgical Pathology, July 1, 1994; 2(1): 47 - 55.
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Copyright © 1986 by the American Society for Investigative Pathology.