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Common acute lymphoblastic leukemia antigen (CALLA) is a 100-kDa cell-surface glycoprotein expressed on most acute lymphoblastic leukemias and certain other immature lymphoid malignancies and on normal lymphoid progenitors. The latter are either uncommitted to B- or T-cell lineage or committed to
Neutral endopeptidase (EC 3.4.24.11, NEP) is an integral membrane protein of human neutrophils. NEP is identical with the common acute lymphoblastic leukemia antigen (CALLA) of leukemic cells. The expression of NEP on the surface of neutrophils is down-regulated by endocytosis which can be induced
A novel linker consisting of poly(ethylene glycol) (PEG) and dipeptide was used for conjugation of adriamycin with tumor-specific monoclonal antibody, NL-1, to confirm that the linker can be cleaved selectively with the tumor specific enzyme to express cytotoxicity of the anti-tumor agent.
ABSTRACT The NSs protein of Watermelon silver mottle virus (WSMoV) was expressed by a Zucchini yellow mosaic virus (ZYMV) vector in squash. The expressed NSs protein with a histidine tag and an additional NIa protease cleavage sequence was isolated by Ni(2+)-NTA resins as a free-form protein and