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Source: Nanomedicine: Nanotechnology, Biology and Medicine
Nutrition: Diets
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Site-specific intestinal DMT1 silencing to mitigate iron absorption using pH-sensitive multi-compartmental nanoparticulate oral delivery system
We report a novel pH-sensitive multi-compartmental nanoparticulate (MCP) oral delivery system that encapsulates siRNA for silencing the divalent metal transporter 1 (DMT1) gene, a primary iron transporter highly expressed in the intestine. The gelatin nanoparticles-coated with Eudragit® L100–55 are able to protect siRNA from intracellular degradation and allow for sustained release of siRNA in the cytosol. When orally-administered, Eudragit® L100–55 based MCPs containing DMT1 siRNA/gelatin NPs specifically and significantly decreased the expression of DMT1 mRNA in the duodenum, which consequently decreased intestinal...
Source: Nanomedicine: Nanotechnology, Biology and Medicine - October 16, 2019 Category: Nanotechnology Source Type: research
