Note: M: DNA molecular weight standard; Lane1-15:Transgenic mouse line; NTG: Negative littermates; TG: Transgenic mice; A:Transgenic mice lines identification by PCR using the tail genomic DNA as template; B: Reverse-transcriptase PCR analysis the human SCARB2 gene expression in tissues of Tg mice; C: Western blot detected the expression of human SCARB2 protein synthesis in brain of Tg mice; D: Western blot detected the expression of human SCARB2 protein synthesis in muscle of Tg mice. The data were normalized to GAPDH expression
Fig.1 Establishment and identification of the transgenic miceexpressing human SCARB2.
Note: NTG: Negative littermates; TG: transgenic mice; A-B:immunohistochemicalanalysis of brain and muscle of 21-day TG mice and the positions of SCARB2 protein aredenoted with black arrows,respectively. Magnification: 100×.
Fig.2Immunohistochemical identification of the SCARB2 transgenic mice
Note:A: viral loadof brain of E71infected miceat 3 days post infection. B: viral loadof muscle of E71infected miceat 3 days post infection. * p<0.05 and *** p<0.001
Note: A-B: immunohistochemicalanalysis of brain and muscle of EV71infected 21-day mice and the positions of intracellular viral antigens aredenoted with black arrows,respectively. Magnification: 100×.
Fig.4 Immunohistochemical identification of the EV71 infect transgenic mice