NCIt definition : A nanoparticle-based prodrug formulation consisting of polymeric micelles incorporating
the inorganic platinum agent cisplatin with potential antineoplastic activity. In
demplatin pegraglumer, cisplatin forms a polymer-metal complex with hydrophilic polyethylene
glycol poly(glutamic acid) block copolymers by attaching to the micelle inner core
consisting of the hydrophobic polyamino acids. Upon cell entry and release from the
polymer-metal complex, cisplatin forms highly reactive, charged platinum complexes
that bind to nucleophilic groups such as GC-rich sites in DNA, inducing intrastrand
and interstrand DNA cross-linking, DNA-protein cross-linking and, subsequently, tumor
cell apoptosis and growth inhibition. Due to the hydrophilic nature of polyethylene
glycol, this formulation increases the water-solubility of cisplatin and decreases
the nephrotoxicity and neurotoxicity associated with the administration of cisplatin
alone.;
UNII : 9DMG482P0R;
CAS number : 1009838-50-9; a href https://gsrs.ncats.nih.gov/ginas/app/beta/browse-substance?search 1009838-50-9
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