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Figure 5: Assessment of infected cells with flow cytometry after Ann V/PI double staining. Figures made by flow cytometry were divided into four areas: Q1: (Lower Left area, LL area, Ann V-/PI-) represented the normal living cells; Q2: (Lower Right area, LR area, Ann V+/PI-) represented the early apoptotic cells; Q3: (Upper Right area, UR area, Ann V+PI+) represented the late apoptotic or secondary necrotic cells; Q4: (Upper Left area, UL area, Ann V-PI+) represented the mechanical injury cells

Figure 5: Assessment of infected cells with flow cytometry after Ann V/PI double staining. Figures made by flow cytometry were divided into four areas: Q<sub>1</sub>: (Lower Left area, LL area, Ann V-/PI-) represented the normal living cells; Q<sub>2</sub>: (Lower Right area, LR area, Ann V+/PI-) represented the early apoptotic cells; Q<sub>3</sub>: (Upper Right area, UR area, Ann V+PI+) represented the late apoptotic or secondary necrotic cells; Q<sub>4</sub>: (Upper Left area, UL area, Ann V-PI+) represented the mechanical injury cells