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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

Expression and the role of cathepsin H in human glioma progression and invasion.

Proteinases and their inhibitors may play a role in the development and progression of many cancers. Several studies suggested that lysosomal proteinases cathepsin B, L, and D may be involved in the malignant progression of some human neoplastic diseases. In this study, we determined the levels of cathepsin H in human glioma progression and the significance of cathepsin H in glioma cell invasion. Levels of cathepsin H antigen were found to be significantly higher in glioblastomas and anaplastic astrocytoma when compared with normal brain tissue and low-grade gliomas. Western blotting confirmed the presence of authentic cathepsin H with a doublet at 27 and 25 kDa in normal brain tissue and tumor samples. However, the intensity of the band increased significantly in glioblastoma samples. Cathepsin H antibody inhibited the invasion of glioblastoma cell lines through Matrigel invasion assay. These data suggest that the tumor-specific increase in antigen may be a useful independent marker of tumor progression in central nervous system neoplasms.[1]


  1. Expression and the role of cathepsin H in human glioma progression and invasion. Sivaparvathi, M., Sawaya, R., Gokaslan, Z.L., Chintala, S.K., Rao, J.S., Chintala, K.S. Cancer Lett. (1996) [Pubmed]
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