MORC2 and infection: Our results showed that the mRNA and protein levels of p21 were reduced with the ectopic MORC2 expression in SGC-7901 cells and MGC-803 cells (Figure 1a and 1b), depletion of the endogenous MORC2 by specific shRNA resulted in an increase of p21 expression in lentivirus infection SGC-7901 cells and BGC-823 cells, but has little effect on the protein level of p27 (Figure 1c and 1d).