NCIt synonyms : hRS7-SN38 Antibody Drug Conjugate; RS7-SN38; Sacituzumab Govitecan-hziy;
NCIt definition : An antibody drug conjugate containing the humanized monoclonal antibody, hRS7, against
tumor-associated calcium signal transducer 2 (TACSTD2 or TROP2) and linked to the
active metabolite of irinotecan, 7-ethyl-10-hydroxycamptothecin (SN-38), with potential
antineoplastic activity. The antibody moiety of sacituzumab govitecan selectively
binds to TROP2. After internalization and proteolytic cleavage, SN-38 selectively
stabilizes topoisomerase I-DNA covalent complexes, resulting in DNA breaks that inhibit
DNA replication and trigger apoptosis. TROP2, also known as epithelial glycoprotein-1
(EGP-1), is a transmembrane calcium signal transducer that is overexpressed by a variety
of human epithelial carcinomas; this antigen is involved in the regulation of cell-cell
adhesion and its expression is associated with increased cancer growth, aggressiveness
and metastasis.;
UNII : M9BYU8XDQ6;
CAS number : 1491917-83-9; a href https://gsrs.ncats.nih.gov/ginas/app/beta/browse-substance?search 1491917-83-9
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