Effect of procathepsin D activation peptide on gene expression of breast cancer cells
โ Scribed by Petr Benes; Aruna Vashishta; Sujata Saraswat-Ohri; Martin Fusek; Sarka Pospisilova; Boris Tichy; Vaclav Vetvicka
- Book ID
- 116333912
- Publisher
- Elsevier Science
- Year
- 2006
- Tongue
- English
- Weight
- 171 KB
- Volume
- 239
- Category
- Article
- ISSN
- 0304-3835
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Cathepsin D, a lysosomal aspartic proteinase, is secreted in the form of enzymatically inactive proenzyme by many types of human breast cancer tissue and exerts mitogenic activity toward these tissues. Flow cytometry was used to test the binding of procathepsin D purified from the secretion of the b
A simple procedure for the affinity purification of procathepsin D from tissue culture medium conditioned by breast-cancer cells is described. This procedure yielded 2 pg of procathepsin D/ I00 ml medium. The procathepsin D was approximately 95% pure as judged by silver staining of polyacrylamide ge