The EPOR/CD131 heteroreceptoragonist has an endothelioprotective effect against the background of pulmonary hypertension caused by monocrotalin
DOI:
https://doi.org/10.18413/rrpharmacology.9.10057Abstract
Introduction: The abnormal increase in pulmonary pressure observed in pulmonary arterial hypertension (PAH) is a consequence of increased pulmonary vascular resistance due to progressive loss and obliteration of pulmonary arteries. The initial trigger is a combination of factors that lead to endothelial damage and impaired vascular regeneration. Aim: research the possibilities of pharmacological correction of pulmonary arterial hypertension induced by monocrotalin using the EPOR/CD131 heteroreceptor agonist with the laboratory code EP-11-3.
Materials and Methods: The study of pharmacological activity on a model of monocrotaline induced PAH was carried out on male Sprague-Dawley rats weighing 180-220 grams. Monocrotaline (MCT) pulmonary hypertension was simulated in 30 animals using subcutaneous injection of MCT at a dose of 60 mg/kg. Seven days after the injection of MCT, the administration of the studied compounds began. The erythropoietin derivative with the laboratory code EP-11-3 and pHBSP administered subcutaneously at a dose of 25 mcg/kg once every 3 days for 21 days.
Results: On the model of monocrotalin-induced PAH, it was shown that the erythropoietin derivative with the laboratory code EP-11-3 has a pronounced endothelioprotective effect, reducing the coefficient of endothelial dysfunction, statistically significantly increasing the expression of VEGF-R2 mRNA and reducing the expression of SDF-1 mRNA, reducing the concentrations of CT-1 and PNP, and reducing the signs of remodeling of the heart and pulmonary vessels.
Conclusion: Erythropoietin derivative with laboratory code EP-11-3 has an endothelioprotective effect and reduces the manifestations of vascular remodeling in pulmonary hypertension caused by monocrotalin.
Graphical Abstract
Keywords:
Monocrotaline, EPOR/CD131, progenitors of endothelial cells, endothelioprotector, pulmonary hypertensionReferences
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