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Covalent conjugates of granulin-epithelial precursor-siRNA with arginine-rich peptide for improved stability and intracellular delivery in hepatoma cells
Conclusion: These results provide insights into the importance of chemical modification of unstable genetic therapeutics for HCC treatment. Conjugation of PEGylated GEP siRNA with ARP may be a potential HCC therapeutic agent.
Source: Molecular and Cellular Toxicology - June 27, 2019 Category: Cytology Source Type: research

Efficient delivery of small interfering RNAs targeting particular mRNAs into pancreatic cancer cells inhibits invasiveness and metastasis of pancreatic tumors.
We report the use of small interfering RNAs (siRNAs) against ARHGEF4, CCDC88A, LAMTOR2, mTOR, NUP85, and WASF2 and folic acid (FA)-modified polyethylene glycol (PEG)-chitosan oligosaccharide lactate (COL) nanoparticles for targeting, imaging, delivery, gene silencing, and inhibition of invasiveness and metastasis in an orthotopic xenograft model. In vitro assays revealed that these siRNA-FA-PEG-COL nanoparticles were specifically inserted into pancreatic cancer cells compared to immortalized normal pancreatic epithelial cells and knocked down expression of the corresponding targets in pancreatic cancer cells. Cell motility...
Source: Oncotarget - May 15, 2019 Category: Cancer & Oncology Tags: Oncotarget Source Type: research