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Impregnation of catheters with anacardic acid from cashew nut shell prevents Staphylococcus aureus biofilm development
Author(s) -
Sajeevan S.E.,
Chatterjee M.,
Paul V.,
Baranwal G.,
Kumar V.A.,
Bose C.,
Banerji A.,
Nair B.G.,
Prasanth B.P.,
Biswas R.
Publication year - 2018
Publication title -
journal of applied microbiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.889
H-Index - 156
eISSN - 1365-2672
pISSN - 1364-5072
DOI - 10.1111/jam.14040
Subject(s) - biofilm , staphylococcus aureus , antimicrobial , anacardium , chemistry , catheter , colonization , microbiology and biotechnology , bacteria , biology , medicine , organic chemistry , surgery , genetics , horticulture
Aim The effect of anacardic acid impregnation on catheter surfaces for the prevention of Staphylococcus aureus attachments and biofilm formations were evaluated. Methods and Results Silicon catheter tubes were impregnated using different concentrations of anacardic acids (0·002–0·25%). Anacardic acids are antibacterial phenolic lipids from cashew nut ( Anacardium occidentale ) shell oil. Anacardic acid‐impregnated silicon catheters revealed no significant haemolytic activity and were cytocompatible against fibroblast cell line (L929). Sustained release of anacardic acids was observed for 4 days. Anacardic acid‐impregnated silicon catheters efficiently inhibited S. aureus colonization and the biofilm formation on its surface. The in vivo antibiofilm activity of anacardic acid‐impregnated catheters was tested in an intraperitoneal catheter ‐ associated medaka fish infection model. Significant reduction in S. aureus colonization on anacardic acid‐impregnated catheter tubes was observed. Conclusions Our data suggest that anacardic acid‐impregnated silicon catheters may help in preventing catheter‐related staphylococcal infections. Significance and Impact of the Study This study opens new directions for designing antimicrobial phytochemical‐coated surfaces with ideal antibiofilm properties and could be of great interest for biomedical research scientists.

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