Folate targeting

Folate targeting is a method utilized in biotechnology for drug delivery purposes. This Trojan Horse process, which was created by Drs. Christopher P. Leamon and Philip S. Low, involves the attachment of the vitamin, folate (folic acid), to a molecule/drug to form a folate conjugate. Based on the natural high affinity of folate for the folate receptor protein (FR), which is commonly expressed on the surface of many human cancers, folate-drug conjugates also bind tightly to the FR and trigger cellular uptake via endocytosis. Molecules as diverse as small radiodiagnostic imaging agents to large DNA plasmid formulations have successfully been delivered inside FR-positive cells and tissues

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