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  • A proprietary RNA interference construct consisting of bifunctional short hairpin RNAs (shRNA) against human stathmin 1 (STMN1) encapsulated in the cationic bilamellar invaginated vesicle lipoplex (LP) with potential antineoplastic activity. pbi-shRNA STMN1 LP contains 2 stem-loop structures encoded by a plasmid vector. Upon intratumoral administration, one shRNA unit with a perfectly matched sequence renders the suppression of STMN1 mRNA translation (mRNA sequestration and cleavage-independent degradation) while the other unit with an imperfectly matched sequence renders STMN1 mRNA degradation via RNase H-like cleavage (cleavage-dependent mRNA silencing). The suppression of STMN1 expression in tumor cells results in a reduction of tumor cell proliferation. STMN1, a ubiquitous cytosolic phosphoprotein and tubulin modulator that plays a key role in mitosis, is overexpressed in a variety of tumors and correlates with poor prognosis. Check for \'https://www.cancer.gov/about-cancer/treatment/clinical-trials/intervention/C99639\' active clinical trials using this agent. (\'http://ncit.nci.nih.gov/ncitbrowser/ConceptReport.jsp?dictionary=NCI%20Thesaurus&code=C99639\' NCI Thesaurus)
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