| Three new human medulloblastoma ( MB ) cell lines ( D 384 Med , D 425 Med , and D 458 Med ) and their transplantable xenografts were examined for antigenic expression with antibodies against neuroectodermal antigens , cytoskeletal proteins , neuroendocrine markers , glioma associated antigens , tenascin , human lymphocyte antigen molecules , epidermal growth factor receptor , and T cell antigen by indirect immunofluorescence , avidin biotin complex peroxidase immunohistochemistry , and immunoblot methods . ^^^ |