Several studies have used animal models to examine knee joint contracture; however, few reports detail the construction process of a knee joint contracture model in a mouse. The use of mouse models is
Xrn1 knock out A549 cells were infected with WT A/Puerto Rico/8/1984 (H1N1) ("PR8"), A/Tennessee/1-560/2009 (H1N1) (“H1N1pdm09” for 2009 pandemic H1N1) , or A/Perth/16/2009 (H3N2) ("Perth"), or PA(∆X)
