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Abstract
Background: Pulmonary arterial Hypertension (PH) is a chronic disease that ultimately progresses to right ventricular failure and death. Until now, there is still a lack of effective treatment applied. The purpose of the present study was to observe the protective effect of Mesenchymal Stromal Cell-Derived Exosomes (MSC-EXO) against experimental Pulmonary arterial Hypertension (PH) and right ventricular failure.
Methods: All the experimental rats received an intraperitoneal injection of 50 mg/kg monocrotaline to induce PH model. Three weeks after the model was successfully established, the cell Culture Media (CM) or MSC-EXO derived from human umbilical cord was administered daily via the tail vein. All animals were randomly divided into 4 groups: Control (saline-treated), MCT-PH, MCT-CM and MCT-EXO groups. Post-operation, hemodynamic data and index of right ventricular hypertrophy (RVHI) were recorded to evaluate the inhibition of MSC-EXO on MCT-induced PH. Histology, immunohistochemistry and western blot were used to analyze the effect of MSC-EXO against vascular remodeling and further reveal the mechanism.
Results: In the present study, our results showed that MSC-EXO administration could significantly reduce the Right Ventricular Systolic Pressure (RVSP) and RVHI, suppress the pulmonary vascular remodeling and The Endothelial-Mesenchymal Transition (EndMT) process.
Conclusion: Our results provided the firm information for a new method in the treatment of PH; the mechanism may be related to the inhibition of vascular remodeling and EndMT.
Keywords: Pulmonary arterial hypertension, pulmonary vascular remodeling, exosomes, MSC-EXO, right ventricular hypertrophy, EndMT.
Current Pharmaceutical Biotechnology
Title:Mesenchymal Stromal Cell-derived Exosomes Attenuate Experimental Pulmonary Arterial Hypertension
Volume: 22 Issue: 12
Author(s): LiLi Ge, Wen Jiang, Shanshan Zhang, Jue Wang, Qian Xin, Chao Sun, Kailin Li, Tonggang Qi and Yun Luan*
Affiliation:
- Central Research Laboratory, The Second Hospital, Cheeloo College of Medicine, Shandong University, No. 247, Beiyuan Dajie, Jinan, 250033,China
Keywords: Pulmonary arterial hypertension, pulmonary vascular remodeling, exosomes, MSC-EXO, right ventricular hypertrophy, EndMT.
Abstract:
Background: Pulmonary arterial Hypertension (PH) is a chronic disease that ultimately progresses to right ventricular failure and death. Until now, there is still a lack of effective treatment applied. The purpose of the present study was to observe the protective effect of Mesenchymal Stromal Cell-Derived Exosomes (MSC-EXO) against experimental Pulmonary arterial Hypertension (PH) and right ventricular failure.
Methods: All the experimental rats received an intraperitoneal injection of 50 mg/kg monocrotaline to induce PH model. Three weeks after the model was successfully established, the cell Culture Media (CM) or MSC-EXO derived from human umbilical cord was administered daily via the tail vein. All animals were randomly divided into 4 groups: Control (saline-treated), MCT-PH, MCT-CM and MCT-EXO groups. Post-operation, hemodynamic data and index of right ventricular hypertrophy (RVHI) were recorded to evaluate the inhibition of MSC-EXO on MCT-induced PH. Histology, immunohistochemistry and western blot were used to analyze the effect of MSC-EXO against vascular remodeling and further reveal the mechanism.
Results: In the present study, our results showed that MSC-EXO administration could significantly reduce the Right Ventricular Systolic Pressure (RVSP) and RVHI, suppress the pulmonary vascular remodeling and The Endothelial-Mesenchymal Transition (EndMT) process.
Conclusion: Our results provided the firm information for a new method in the treatment of PH; the mechanism may be related to the inhibition of vascular remodeling and EndMT.
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Cite this article as:
Ge LiLi , Jiang Wen, Zhang Shanshan, Wang Jue , Xin Qian , Sun Chao , Li Kailin , Qi Tonggang and Luan Yun *, Mesenchymal Stromal Cell-derived Exosomes Attenuate Experimental Pulmonary Arterial Hypertension, Current Pharmaceutical Biotechnology 2021; 22 (12) . https://dx.doi.org/10.2174/1389201022666201231113127
DOI https://dx.doi.org/10.2174/1389201022666201231113127 |
Print ISSN 1389-2010 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4316 |
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