Journal: Journal of Nanobiotechnology
Article Title: Tungsten-based polyoxometalate nanoclusters as ferroptosis inhibitors modulating S100A8/A9-mediated iron metabolism pathway for managing intracerebral haemorrhage
doi: 10.1186/s12951-025-03149-9
Figure Lengend Snippet: W-POM NCs inhibit ICH-induced neuroinflammation, oxidative stress and ferroptosis in ICH mice model. ( a ) Protein expression of iron transport-related proteins (TFR1, FPN, DMT1) assessed using western blot. ( b - d ) Statistical graph of grayscale values of TFR1, FPN, DMT1 protein expression. ( e ) Representative TEM images of mitochondrial morphology of the neurons in the perihaematomal area at 72 h after ICH. Red arrows indicate mitochondria. Representative images by Nissl staining ( f ) and FJB staining ( g ) in the perihaematomal tissue showing the effects of W-POM NCs on ICH-induced neuronal injury and neurodegeneration. Statistical analysis of Nissl staining ( h ) and FJB staining ( i ) results in the perihaematomal tissue. ( j ) Representative images of immunofluorescent staining for Iba-1 (red) and DAPI (blue) in the perihaematomal area at 72 h after ICH. ( l ) Quantitative analyses of Iba-1 positive cells in the perihaematomal area at 72 h after ICH. ( k ) Representative images of immunofluorescent staining for GFAP (red) and DAPI (blue) in the perihaematomal area at 72 h after ICH. ( m ) Quantitative analyses of GFAP-positive cells in the perihaematomal area at 72 h after ICH. (* P < 0.05, ** P < 0.01, *** P < 0.001, means ± SEM). ICH, intracerebral haemorrhage; TEM, transmission electron microscopy; W-POM NCs, tungsten-based polyoxometalate nanoclusters; TFR1, transferrin receptor 1; DMT1, divalent metal transporter 1; FPN, ferroportin
Article Snippet: The following primary antibodies were detected via WB: rabbit anti-transferrin receptor 1 (TFR1) polyclonal antibody (1:1000, AF5343, Affbiotech, China), rabbit anti-FPN polyclonal antibody (1:1000, NBP1-21502, Novus, US), rabbit anti-divalent metal transporter 1 (DMT1) polyclonal antibody (1:1000, 20507-1-AP, Proteintech, US), rabbit anti-S100A8/A9 monoclonal antibody (1:1000, ab288715, Abcam, UK), rabbit anti-hepcidin monoclonal antibody (1:200, ab190775, Abcam, UK), anti-TLR4 polyclonal antibody (1:1000, AF7017, Affbiotech, China).
Techniques: Expressing, Western Blot, Staining, Transmission Assay, Electron Microscopy