mab 81c6 , an igg2b immunoglobulin , which defines an epitope of the glioma-associated extracellular matrix protein tenascin , has been shown to bind to human glioma cell lines , glioma xenografts in nude mice , and primary human gliomas , but not to normal adult or fetal brain .
C0079323
extracellular
C0076088
tenascin