대한의생명과학회지 (Biomedical Science Letters)

  • 제24권1호
  • /
  • Pages.30-34
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  • 2018
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  • 1738-3226(pISSN)
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  • 2288-7415(eISSN)
대한의생명과학회 (The Korean Society for Biomedical Laboratory Sciences)
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Effect of the Ag3PO4 on Staphylococcus aureus Growth and Human Immunity

  • Kim, Mi Kyung (Department of Systems Biology, College of Life Science, Yonsei University) ;
  • Kim, Dae-Sik (Department of Clinical Laboratory Science, Dongnam Health University)
  • 투고 : 2018.01.03
  • 심사 : 2018.03.13
  • 발행 : 2018.03.31
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초록

Silver (Ag) has been widely used in commercial products and medical fields since ancient times because of its antibacterial effect. It is harmless and non-toxic to the human body. For this reason, recent research has actively evaluated antimicrobial activity using silver (Ag). In this study, we investigated the inhibitory effect of a silver-based compound, silver phosphate ($Ag_3PO_4$) on the growth of Staphylococcus aureus and the activation of human immunity. First, the inhibitory effect of $Ag_3PO_4$ on the growth of Staphylococcus aureus was confirmed by a growth curve and a colonyounting method. As a result, the growth inhibitory effect increased as the concentration of $Ag_3PO_4$ increased. Specifically, treatment with $5{\mu}g/mL$ of $Ag_3PO_4$ resulted in no bacteria growth, and the colony-counting method showed a remarkable inhibition. In addition, the expression of cytokine IL-8 by $Ag_3PO_4$ was examined to investigate the cellular immune system activation by $Ag_3PO_4$. After pretreatment of Staphylococcus aureus for 1 hour with $50{\mu}g/mL$ $Ag_3PO_4$, an increased IL-8 mRNA expression resulted. In cells treated with $Ag_3PO_4$, we found that the expression of IL-8 was enhanced in a time-dependent fashion compared to non-treated cells. These results indicate that $Ag_3PO_4$ induces antimicrobial activity against Staphylococcus aureus and activates human immunity. These results are expected to contribute to the future study of the mechanism of silver (Ag) and silver-based compounds in relation to antibacterial activity.

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참고문헌

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