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Recent advances on therapeutic potentials of gold and silver nanobiomaterials for human viral diseases
Curr Res Chem Biol. 2022;2:100021. doi: 10.1016/j.crchbi.2022.100021. Epub 2022 Feb 1.ABSTRACTViral diseases are prominent among the widely spread infections threatening human well-being. Real-life clinical successes of the few available therapeutics are challenged by pathogenic resistance and suboptimal delivery to target sites. Nanotechnology has aided the design of functionalised and non-functionalised Au and Ag nanobiomaterials through physical, chemical and biological (green synthesis) methods with improved antiviral efficacy and delivery. In this review, innovative designs as well as interesting antiviral activities ...
Source: Herpes - July 11, 2022 Category: Infectious Diseases Authors: Yusuf Oloruntoyin Ayipo Ajibola Abdulahi Bakare Umar Muhammad Badeggi Akeem Adebayo Jimoh Amudat Lawal Mohd Nizam Mordi Source Type: research

Ceramide formation mediated by acid sphingomyelinase facilitates endosomal escape of caliciviruses.
We report a novel finding that bile acids can be substituted by cold treatment for endosomal escape and virus replication. This endosomal escape by cold treatment or bile acids is associated with ceramide formation by acid sphingomyelinase (ASM). ASM catalyzes hydrolysis of sphingomyelin into ceramide, which is known to destabilize lipid bilayer. Treatment of LLC-PK cells with bile acids or cold led to ceramide formation, and small molecule antagonists or siRNA of ASM blocked ceramide formation in the endosomes and significantly reduced PEC replication. Inhibition of ASM resulted in the retention of PEC, feline calicivirus...
Source: Virology - May 14, 2015 Category: Virology Authors: Shivanna V, Kim Y, Chang KO Tags: Virology Source Type: research