Ribozyme RPI.4610

Definition 1

A nuclease-stabilized synthetic ribozyme (ribonucleic acid enzyme) with potential anti-angiogenesis activity. Ribozyme RPI.4610 specifically recognizes the mRNA for FLT1 (vascular endothelial growth factor receptor 1; VEGFR1), and hydrolyzes the mRNA, thereby preventing VEGFR1 proteins from being made. This may prevent VEGF-stimulated angiogenesis in cancerous tissue and metastasis. (NCI Thesaurus)

Definition 2

A substance being studied in the treatment of cancer. RPI.4610 is a special type of RNA made in the laboratory. It stops a protein called vascular endothelial growth factor receptor (VEGFR) from being made. This may prevent the growth of new blood vessels that tumors need to grow. It is a type of angiogenesis inhibitor and a type of ribozyme. (NCI Dictionary)

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