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- Be72148f47a96ba733e539bda82d68d28 NCIT_P378 "NCI" @default.
- Be72148f47a96ba733e539bda82d68d28 type Axiom @default.
- Be72148f47a96ba733e539bda82d68d28 annotatedProperty IAO_0000115 @default.
- Be72148f47a96ba733e539bda82d68d28 annotatedSource NCIT_C1201 @default.
- Be72148f47a96ba733e539bda82d68d28 annotatedTarget "A highly negative-charged carbohydrate composed of a linear polymer of alpha 2,8-linked sialic acid residue with potential immunotherapeutic activity. Polysialic acid (PSA) is mainly attached to the neural cell adhesion molecule (NCAM), a membrane-bound glycoprotein overexpressed in certain types of cancers. In embryonic tissue PSA-NCAM is abundantly expressed and PSA plays an important role in formation and remodeling of the neural system through modulation of the adhesive properties of NCAM, thereby reducing cell-cell interactions and promoting cellular mobility. In adult tissue however, the expression of PSA-NCAM is associated with a variety of malignant tumors, signifying its potential role in tumor metastasis. When administered in a vaccine formulation, PSA may stimulate a cytotoxic T cell response against tumors expressing PSA, thereby resulting in a reduction in tumor size." @default.