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Functional analysis of prv-miR-LLT11a encoded by pseudorabies virus
Huimin Liu,Li Yang,Zhibin Shi,Ruiqi Lv,Xia Yang,Chuanqing Wang,Lu Chen,Hongtao Chang 대한수의학회 2019 Journal of Veterinary Science Vol.20 No.6
Viral-encoded microRNAs (miRNAs) play have vital roles in the regulations of virus replications and host immune responses. The results of previous studies have indicated that miRNA clusters are involved in the replication and virulence of the pseudorabies virus (PRV), which may potentially lead to the immune escape or facilitation of PRV replications. This study's previous research revealed that the prv-mirmiR-LLT11a was differentially expressed during PRV infections. The present study's results have demonstrated that the prv-miR-LLT11a could significantly inhibit PRV replications. It was further determined that SLA-1 was the target gene of the prv-miR-LLT11a, and simultaneously, thate overexpression of prv-miR-LLT11a could down-regulate the mRNA and protein levels of SLA-1 in a dose-independent manner. Furthermore, the present study also found observed that the prv-miR-LLT11a canhad also down-regulated the TAP1 expressions. Our findings provide a better understanding of the molecular mechanism involved in on the effects of prv-miR-LLT11a on SLA-1 and TAP1, as well as and its involvement in a potential immune system evasion of PRV.
Zequn Zhang,Qijuan Dong,Zhibin Chen,Junsheng Wu,Jiuyang Xia,Kang Huang,Pengcheng Zuo,Wei Xue,Bowei Zhang 대한금속·재료학회 2024 METALS AND MATERIALS International Vol.30 No.2
The influence of Co content on the microstructure and corrosion behavior of Al0.3CoxCrFeNi (x = 0.25, 0.5 and 1.0) highentropy alloys were investigated. The results indicated that the increased content of Co improve the corrosion resistanceof alloy, which can be attributed to the distinction of phase composition in alloys caused by different Co content. TheAl0.3CoxCrFeNi alloy shows a double-phase (FCC + BCC) structure for x = 0.25 and 0.5, and BCC phase consists of (Al,Ni)-rich B2 phase and (Cr, Fe, Co)-rich A2 phase. The increase of Co content induces the transformations of crystalstructuresfrom BCC to FCC, resulting in the decrease of BCC phase proportion. The Al0.3CoCrFeNi alloy exhibits thesingle FCC structure, and all elements tend to be homogeneously distributed. The difference in the potential of FCC andBCC phases indicates the BCC phase acts as anode resulting to localized corrosion, while B2 phase preferentially dissolvescompared to the A2 phase due to the lower potential. Therefore, the existence of selective corrosion is found in thealloys with double-phase, by contrast, the alloy with single FCC phase shows random pitting corrosion.