GAS5 and infection: On the other hand, at 24 h post-infection, three splicing variants of the Ptgs2os2 gene (ENSMUST00000241778.1, ENSMUST00000245671.1, and ENSMUST00000241512.1), one of the Malat1 gene (ENSMUST00000249653.1), and one of the Gas5 gene (ENSMUST00000159037.3) were overexpressed in infected RAW264.7 (Figure 2B).