[Synthesis of GnRH analogs and their application in targeted gene delivery systems].

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[Synthesis of GnRH analogs and their application in targeted gene delivery systems].

Bioorg Khim. 2012 Jan-Feb;38(1):31-9

Authors:

Abstract
A set of GnRH analogues containing nuclear localization signal (NLS) of SV-40 virus large T-antigen have been synthesized using solid phase peptide synthesis and chemical ligation technique. Selective chemical ligation was achieved as a result of hydrazone formation in the course of interaction between NLS hydrazide and GnRH analog modified by pyruvic acid. The efficiency of synthesized peptide carriers was demonstrated in experiments with human cancer cells transfected by reporter luciferase and beta-galactosidase genes or suicide HSV-1 thymidine kinase gene. It was shown that selectivity of action on cancer cells can be achieved as a result of peptide/DNA complex penetration through the cell membrane by GnRH receptor-mediated endocytosis pathway.

PMID: 22792703 [PubMed - in process]

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