Journal: Journal of Translational Medicine
Article Title: Bone morphogenetic protein 10 serves as a biomarker and a potential therapeutic target for endothelial dysfunction in endotoxin-induced acute lung injury
doi: 10.1186/s12967-025-06742-6
Figure Lengend Snippet: BMP10 alleviated LPS-induced endothelial dysfunction both in vitro and in vivo through the canonical signaling pathway. HPMECs were cultured with 100 ng/ml of BMP10 for 24 h, followed by exposure to 10 μg/ml of LPS for a predetermined duration based on the study design. A Western blot analysis showed that 24 h of LPS stimulation significantly increased the protein expression levels of ICAM-1 and VCAM-1 in HPMECs. However, these changes were reversed by BMP10 treatment ( *p < 0.05, n = 4 per group); Data are presented as mean ± standard error of the mean, and group comparisons were analyzed using a two-tailed non-parametric test (Mann–Whitney U test). B IF staining of HPMECs demonstrated that BMP10 prevented the LPS-induced reduction in the expression of VE-cadherin and pSmad1/5/8, a marker of the BMP10-activated canonical signaling pathway, following 2 h of LPS stimulation; scale bars, 100 µm; Green, VE-cadherin; Red, pSmad1/5/8; Blue, DAPI. C Western blot analysis of lung homogenates revealed that 24 h of LPS stimulation significantly increased pSmad1/5/8 protein levels, but BMP10 treatment reversed these effects ( *p < 0.05, n = 4 per group); Data are presented as mean ± standard error of the mean, and group comparisons were analyzed using a two-tailed non-parametric test (Mann–Whitney U test). D Western blot analysis of HPMECs showed that 6 h of LPS stimulation significantly increased pSmad1/5/8 protein expression, which was similarly reversed by BMP10 pretreatment ( *p < 0.05, n = 4 per group); Data are presented as mean ± standard error of the mean, and groups were analyzed using a two-tailed non-parametric test (Mann–Whitney U test). HPMEC human pulmonary microvascular endothelial cell, LPS lipopolysaccharide, BMP10 bone morphogenetic protein 10, ICAM-1 intercellular adhesion molecule 1, VCAM-1 vascular cell adhesion protein 1, VE-cadherin vascular endothelial cadherin, pSmad1/5/8 phosphorylated small mother against decapentaplegic 1/5/8
Article Snippet: After a 2-h interval, mice were treated with recombinant mouse BMP10 (6038-BP-025/CF, R&D system, Minneapolis, MN, USA) with a single dose of 1.0 μg i.p.
Techniques: In Vitro, In Vivo, Cell Culture, Western Blot, Expressing, Two Tailed Test, MANN-WHITNEY, Staining, Marker