Journal: The FASEB Journal
Article Title: Bone Marrow Mesenchymal Stem Cell‐Derived Exosomes Promote M2 Polarization and Protect Against Acute Lung Injury
doi: 10.1096/fj.202502772R
Figure Lengend Snippet: Preparation of mouse BMSCs and their exosomes. (A) Morphological observation of mouse BMSCs at 120× magnification. To ensure objectivity, five random fields were selected for observation in each analysis. (B) Flow cytometry analysis of the expression of surface markers CD105, CD90, CD73 and CD34 in passage 2 BMSCs. (C) SEM characterization of BMSCs‐Exos. (D) Particle size analysis of BMSCs‐Exos using NTA. (E) Western blot analysis of CD9, CD63, and CD81 protein expression in BMSCs‐Exos, with lysis buffer used as a negative control. Three biological replicates were performed for the experiment ( n = 3), and each replicate was tested three times.
Article Snippet: For flow cytometric analysis, cells were fixed with 1% methanol, blocked with 1% BSA and 0.1% goat serum, incubated with antibodies anti‐mouse CD105, CD90, CD73 and CD34 (ab314950/ab25322/FAB4488V/ab23830; Abcam, Cambridge, UK or R&D Systems, MN, USA) each diluted 1:250, then washed and resuspended in Dulbecco's Phosphate‐Buffered Saline (dPBS).
Techniques: Flow Cytometry, Expressing, Particle Size Analysis, Western Blot, Lysis, Negative Control