Fig. 4
From: Production of amphiregulin and recovery from influenza is greater in males than females

Amphiregulin (Areg) expression is greater in respiratory epithelial cells derived from human male than female donors following seasonal influenza A virus infection. Primary human type II alveolar epithelial lung cells were isolated from male and female donors and either mock-infected or infected with a seasonal H1N1 (A/HK/54/98) at a high MOI (MOI = 5). Amphiregulin mRNA expression was measured 24 hpi in cells derived from female (n = 6) and male (n = 4) donors (a). Virus levels were measured using the number of M-gene copies normalized to β-actin in cells derived from female (n = 6) and male (n = 4) donors (b). Areg mRNA expression was normalized to Gapdh and to mock-infected controls using the ΔΔCt method. Data represent means ± SEM from two independent experiments, with significant differences represented by asterisks (*)