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PEGylation of lipoplexes: The right balance between cytotoxicity and siRNA effectiveness.
In conclusion, the right balance between cytotoxicity and siRNA effectiveness has been found with the transfection of lipoplexes coated with 20% of Ceramide-PEG2000. This new nanovector could have a high potential against multiple mucosal diseases, such as human papillomavirus-induced genital lesions. PMID: 27593989 [PubMed - as supplied by publisher]
Source: European Journal of Pharmaceutical Sciences - August 31, 2016 Category: Drugs & Pharmacology Authors: Lechanteur A, Furst T, Evrard B, Delvenne P, Hubert P, Piel G Tags: Eur J Pharm Sci Source Type: research

Development of anti-E6 pegylated lipoplexes for mucosal application in the context of cervical preneoplastic lesions
In conclusion, pegylated anti-E6 lipoplexes have demonstrated their efficiency to cross the cellular membrane and to release siRNA into the cytoplasm confirmed by final p53 protein production. Graphical abstract
Source: International Journal of Pharmaceutics - February 27, 2015 Category: Drugs & Pharmacology Source Type: research

Berberine alters epigenetic modifications, disrupts microtubule network, and modulates HPV-18 E6-E7 oncoproteins by targeting p53 in cervical cancer cell HeLa: A mechanistic study including molecular docking.
We examined nuclear uptake, internucleosomal DNA damages, mitochondrial membrane potential (MMP) alterations and cell migration assays to validate possible mode of cell death events. Analytical data on interactions of berberine with pBR322 through fourier transform infrared (FTIR) and gel migration assay strengthen berberine׳s biologically significant DNA binding abilities. We measured cellular uptake, DNA ploidy and DNA strand-breaks through fluorescence activated cell sorting (FACS). To elucidate epigenetic modifications, in support of DNA binding associated processes, if any, we conducted methylation-specific restricti...
Source: European Journal of Pharmacology - October 18, 2014 Category: Drugs & Pharmacology Authors: Saha SK, Khuda-Bukhsh AR Tags: Eur J Pharmacol Source Type: research