Sri Masyeni, - and Kuntaman Kuntaman, - and Aryati, - (2021) Comparison Correlation of miR-150, hsa-let-7e, and miR-146a and gene expression of IL-6, IL-8, IP-10, and MIP-1β during dengue virus infection. Narra J, 1 (1). ISSN 04695550-13450069

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Abstract

Growing evidence suggeststhat microRNAs (miRNAs) play a pivotal role in viral infection. The objective of this study was to assess the association between the expression of miR-150, hsa-let-7e, and miR-146a on cytokine expression during dengue infection. Dengue virus (DENV) strain SJN-006, a serotype 2 DENV strain of the Cosmopolitan genotype, isolated in Bali, Indonesia, was used to infect peripheral blood mononuclear cells(PBMCs) isolated from healthy individuals. The relative gene expressions of miR-150, hsa-let-7e, and miR-146a as well as the gene expression of cytokines (IL-6,IL-8, IP-10, and MIP-1β) were determined using quantitative real time -polymerase chain reaction (qRT-PCR) at6, 12 and 24hourspost infection (hpi). Correlations between the microRNAs and cytokines were analyzed by means of causality tests. Our data suggeststhat miR-150 and hsa-let-7e were significantly higher in infected-PBMCs after 12 hpi compared to the uninfected-PBMCs (p<0.05). The causality tests demonstrated that miR-150 and hsa-let-7e were negatively correlated with IL-8expression, meanwhile miR-146a was thecontrast. DENV infection was negatively and positively correlated with miR-150 and hsa-let-7e, respectively, after 24 hpi. In conclusion, our data demonstrates the vital role of miR-150, hsa-let-7e, and miR-146a in regulating IL-8expression with possible different pathways

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