Journal: Cardiovascular Research
Article Title: Bone morphogenetic protein 10 is increased in pre-capillary pulmonary hypertension patients
doi: 10.1093/cvr/cvaf028
Figure Lengend Snippet: BMP10 transcriptional activity in precPH patients and controls. ( A ) Schematic explanation of the BRE-LUC reporter assay to determine BMP transcriptional activity in venous serum. Specific trap antibodies targeting BMP9 or BMP9 and BMP10 are used to assess BMP10 activity. Created with BioRender.com. B ) Relative BMP transcriptional activity as a luciferase read-out from the HMEC-BRE-LUC, endothelial cells expressing a BMP-specific luciferase reporter, in control ( n = 15) and precPH subgroups ( n = 21 iPAH, n = 13 hPAH, and n = 11 CTEPH) after incubation with phosphate-buffered saline (PBS) (baseline), anti-BMP9, or ALK1-Fc (inhibition of BMP9 and BMP10). ( C ) BMP10 activity in controls and precPH subgroups has been calculated from the subtraction of anti-BMP9 and ALK1-Fc to total BMP activity. Normality of data was checked and transformed if needed. Statistical differences between precPH patients and controls, and between baseline conditions and trap antibodies, were tested with an independent sample t -test or a one-way ANOVA, after which pairwise t -testing with Bonferroni correction was applied, respectively.
Article Snippet: RA paraffin-embedded tissue from controls ( n = 6) and precPH patients ( n = 4 PAH) was stained using an antibody against BMP10 (diluted 1:200; Biorbyt, United Kingdom), cardiac Troponin T (cTnT, diluted 1:500; Abcam, United Kingdom), phosphorylated receptor-regulated Smad1, Smad5, and Smad8 (pSMAD1/5/8, diluted 1:200; Cell Signaling, United States of America), and inhibitor of differentiation 3 (ID3, diluted 1:50; Santa Cruz Biotechnologies, United States of America).
Techniques: Activity Assay, Reporter Assay, Luciferase, Expressing, Control, Incubation, Saline, Inhibition, Transformation Assay