Journal: Aging and Disease
Article Title: NFATc3 Promotes Pulmonary Inflammation and Fibrosis by Regulating Production of CCL2 and CXCL2 in Macrophages
doi: 10.14336/AD.2022.1202
Figure Lengend Snippet: CXCL2 restores BLM-induced pulmonary fibrosis in NFATc3 +/- mice . (A) Predicted binding sites of NFATc3 in the CXCL2 promoter analyzed using the JASPAR database. ( B ) Quantification of luciferase reporter activity of CXCL2 in Raw264.7 cells transfected with control and NFATc3 plasmids. ( C ) Schematic diagram of the experimental procedure. NFATc3 +/- mice were administrated with BLM (i.t) on day 1 and with rmCXCL2 (500ng, i.t) on day 3. Pulmonary fibrosis markers were measured on day 21. ( D ) H&E staining of lung sections (E) Masson trichrome staining to determine collagen deposition (original magnification ×400, scale bar 100μm). ( F ) Comparison of the Ashcroft score among the experimental groups. ( G, H ) The mRNA expression of α-SMA and fibronectin was measured by RT-qPCR. Data are shown as mean ± SEM. ( I, J ) The protein level of ɑ-SMA was analyzed by western blotting quantified using Image J software. ( K ) Hydroxyproline levels in different groups of experimental mice. N=6 for each group, (B) is *p <0.05 (CXCL2-pGL3+NFATc3-pDON223 vs CXCL2-pGL3+pDON223); (F-H, J, K) *p < 0.05, **p < 0.01 (Saline vs BLM and BLM+CXCL2).
Article Snippet: For immunohistochemical staining, left lung sections from murine IPF models and IPF patients (around 2CM*2CM) were incubated at 4°C overnight with anti-NFATc3 antibody (4998, Cell Signaling, USA).
Techniques: Binding Assay, Luciferase, Activity Assay, Transfection, Control, Staining, Comparison, Expressing, Quantitative RT-PCR, Western Blot, Software, Saline