LPIN1 and infection: After precipitation with anti-PPARγ antibody, the quantitative analysis showed that compared with the 0-h non-infection group, the amount of precipitated Acc (Fig. 3b), Adipoq (Fig. 3c) and Lpin1 (Fig. 3d) after 48 h of Ad36 induction increased by 8.99, 7.86, and 2.10 folds, respectively.