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2篇 您的检索式:作者名="Kunthalert"
    题名 作者 年代 出处 被引量
1A chalcone with potent inhibiting activity against biofilm formation by nontypeable Haemophilus influenzae显示文摘Duangkamol Kunthalert Sudarat Baothong Pichit Khetkam Suwadee Chokchaisiri Apichart Suksamrarn 2014Microbiol Immunol2014,,10:1
2In vitro interference of cefotaxime at subinhibitory concentrations on biofilm formation by nontypeable Haemophilus influenzae显示文摘Objective:To investigate the in vitro interference of cefotaxime at subinhibitory concentrations [sub-minimal inhibitory concentrations(MIC)] on biofilm formation by nontypeable Haemophilus influenzae(NTHi).Methods:The interference of subinhibitory concentrations of cefotaxime on biofilm formation of the clinical strong-biofilm forming isolates of NTHi was evaluated by a microtiter plate biofilm formation assay.The effect of sub-MIC cefotaxime on bacterial cell-surface hydrophobicity was determined using a standard microbial adhesion to n-hexadecane test.Additionally,the effects on bacterial adherence to human fibronectin and expression of bacterial adhesins were also investigated.Results:Subinhibitory concentrations of cefotaxime,both at 0.1× and 0.5× MIC levels,efficiently reduced the NTHi biofilm formation,and this effect was independent of decreasing bacterial viability.Sub-MIC cefotaxime also decreased bacterial cell-surface hydrophobicity and reduced adherence to human fibronectin.Inhibition in the P2 and P6 gene expressions upon exposure to sub-MIC cefotaxime was also noted.Conclusions:Taken together,our results indicate that sub-MIC cefotaxime interferes with the formation of NTHi biofilm,and this effect is feasibly related to the interference with cell-surface hydrophobicity,fibronectin-binding activity as well as alteration of the P2 and P6 gene expression.The findings of the present study therefore provide a rationale for the use of subinhibitory concentrations of cefotaxime for treatment of NTHi-related diseases.Sudarat Baothong Sutthirat Sitthisak Duangkamol Kunthalert 2016Asian Pacific Journal of Tropical Biomedicine2016,6,9:1
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