2019
DOI: 10.5812/jjm.86885
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Anti-Adhesive Effect of ZnO Nanoparticles Against Uropathogenic Escherichia coli in Bladder Epithelial Cell Cultures and on fimH Gene Expression

Abstract: Background:One of the most important causes of urinary tract infection (UTI) in the world is uropathogenic Escherichia coli (UPEC). The first necessary step for establishing UTI is the attachment and invasion of UPEC to the urinary tract epithelial cells. Objectives: In this study, we assessed the anti-adhesion activity of the zinc oxide nanoparticles (ZnO NPs) against UPEC in T24 cell cultures and the effect of these particles on the fimH gene expression by real-time PCR method. Methods: Toxicity of ZnO NPs w… Show more

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Cited by 3 publications
(5 citation statements)
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“…Further advantages are the possibility of genetic manipulation [27] and biochemical analysis [28]. Cell cultures are often grown in monolayers [29,30], but cells can also be stimulated to form multiple layers and reach partial or high differentiation states by cultivation in specific culture conditions, media, and scaffolds [31][32][33]. In vitro models for studying UPEC pathogenicity are usually prepared from normal primary cell cultures [33][34][35][36][37] or cancerous cell lines, originating from tissues such as bladder urothelium [31,38].…”
Section: Introductionmentioning
confidence: 99%
“…Further advantages are the possibility of genetic manipulation [27] and biochemical analysis [28]. Cell cultures are often grown in monolayers [29,30], but cells can also be stimulated to form multiple layers and reach partial or high differentiation states by cultivation in specific culture conditions, media, and scaffolds [31][32][33]. In vitro models for studying UPEC pathogenicity are usually prepared from normal primary cell cultures [33][34][35][36][37] or cancerous cell lines, originating from tissues such as bladder urothelium [31,38].…”
Section: Introductionmentioning
confidence: 99%
“…Studi ini juga menjelaskan lebih lanjut bahwa aktivitas antibiofilm nanopartikel lebih efektif apabila berada pada materi dasar gelas dan logam (aluminium) daripada plastik. [23] Efek inhibisi pembentukan biofilm ini juga dipengaruhi oleh konsentrasi nanopartikel yang digunakan. [21] Pada pemberian konsentrasi setengah dari konsentrasi inhibisi minimum pertumbuhan isolat menampilkan adanya penurunan ekspresi gen flu.…”
Section: Mekanisme Kerja Nanopartikel Seng Oksidaunclassified
“…Selain itu, gen fimH juga ditemukan mengalami penghambatan dan didukung oleh studi dari Jamalam, et al pula. [22,23] Gen flu dan fimH merupakan faktor virulensi dominan pada UPEC. Gen flu berperan dalam memproduksi antigen 43, yaitu protein permukaan pada Escherichia coli yang bertanggung jawab dalam autoagregasi dan flokulasi, sedangkan Gen fimH mengode Pili tipe 1 yang merupakan faktor virulensi paling sering (80%) ditemukan pada UPEC.…”
Section: Mekanisme Kerja Nanopartikel Seng Oksidaunclassified
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