Journal of applied microbiology · 2018
Selection of cellular genetic markers for the detection of infectious poliovirus.
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Sano D, Tazawa M, Inaba M, Kadoya S, Watanabe R, Miura T, Kitajima M, Okabe S
Аннотация
AIMS: Cellular responses of an established cell line from human intestinal epithelial cells (INT-407 cells) against poliovirus (PV) infections were investigated in order to find cellular genetic markers for infectious PV detection.
METHODS AND RESULTS: Gene expression profile of INT-407 cells was analysed by DNA microarray technique when cells were infected with poliovirus 1 (PV1) (sabin) at multiplicity of infection of 10-3 and incubated for 12 h. Poliovirus infection significantly altered the gene expressions of two ion channels, KCNJ4 and SCN7A. The expression profile of KCNJ4 gene was further investigated by real-time RT-qPCR, and it was found that KCNJ4 gene was significantly regulated at 24 h postinfection of PV1.
CONCLUSIONS: KCNJ4 gene, coding a potassium channel protein, is proposed as a cellular genetic marker for infectious PV detection.
SIGNIFICANCE AND IMPACT OF THE STUDY: This is the first study to show the availability of cellular responses to detect infectious PV. The selection of cellular genetic markers for infectious viruses using DNA microarray and RT-qPCR can be applicable for the other enteric viruses.
METHODS AND RESULTS: Gene expression profile of INT-407 cells was analysed by DNA microarray technique when cells were infected with poliovirus 1 (PV1) (sabin) at multiplicity of infection of 10-3 and incubated for 12 h. Poliovirus infection significantly altered the gene expressions of two ion channels, KCNJ4 and SCN7A. The expression profile of KCNJ4 gene was further investigated by real-time RT-qPCR, and it was found that KCNJ4 gene was significantly regulated at 24 h postinfection of PV1.
CONCLUSIONS: KCNJ4 gene, coding a potassium channel protein, is proposed as a cellular genetic marker for infectious PV detection.
SIGNIFICANCE AND IMPACT OF THE STUDY: This is the first study to show the availability of cellular responses to detect infectious PV. The selection of cellular genetic markers for infectious viruses using DNA microarray and RT-qPCR can be applicable for the other enteric viruses.