AgNPs Targeting the Drug Resistance Problem of <i>Staphylococcus aureus</i>: Susceptibility to Antibiotics and Efflux Effect

The present work presents translational research with application of AgNPs targeting the global drug resistance problem. In vivo fieldwork was carried out with 400 breeding farm cows sick with a serous mastitis. Ex vivo results revealed that after cow treatment with Lactobay<sup>TM</sup>...

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Main Authors: Ekaterina Nefedova (Author), Nikolay Shkil (Author), Roberto Luna Vazquez-Gomez (Author), Diana Garibo (Author), Alexey Pestryakov (Author), Nina Bogdanchikova (Author)
Format: Book
Published: MDPI AG, 2022-03-01T00:00:00Z.
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Summary:The present work presents translational research with application of AgNPs targeting the global drug resistance problem. In vivo fieldwork was carried out with 400 breeding farm cows sick with a serous mastitis. Ex vivo results revealed that after cow treatment with Lactobay<sup>TM</sup> (a mixture of antibiotic drugs) the susceptibility to 31 antibiotics of <i>S. aureus</i> isolates from cow breast secretion decreased by 25%, while after treatment with Argovit-C<sup>TM</sup> silver nanoparticles <i>S. aureus</i> susceptibility increased by 11%. The portion of isolates with an efflux effect leading to elimination of antibiotics from <i>S. aureus</i> after Lactobay-treatment resulted in a 15% increase, while Argovit-C-treatment led to a 17.5% decrease. The obtained results showed that mastitis treatments with Argovit-C<sup>TM</sup> AgNPs can partially restore the activity of antibiotics towards <i>S. aureus</i> and shorten the duration of mastitis treatment by 33%.
Item Description:10.3390/pharmaceutics14040763
1999-4923