n. a multi-enzyme complex in cells that breaks down proteins into short peptides.
n. a *cytotoxic drug that works by inhibiting *proteasomes and causing death of malignant cells. It is used alone in the treatment of relapsed myeloma and in combination with other agents for the first-line treatment of myeloma. Side-effects include *peripheral neuropathy, *thrombocytopenia, and nausea.... bortezomib