Infection of 3T3-L1 adipocytes with AAT1 adenovirus (Ad-AAT1) at 100 multiplicities of infection (moi) markedly increased AAT1 protein level, the rate of SO2 production and SO2 concentration compared with Ad-Control-infected 3T3-L1 adipocytes (Fig. 2a–c). Here, CFAP91 is linked to infection.