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Abstract Title:

Angiogenic Actions of Paeoniflorin on Endothelial Progenitor Cells and in Ischemic Stroke Rat Model.

Abstract Source:

Am J Chin Med. 2021 Apr 7:1-19. Epub 2021 Apr 7. PMID: 33829966

Abstract Author(s):

Ruiying Liu, Ying Zheng, Tao Han, Jie Lan, Laixi He, Jianyou Shi

Article Affiliation:

Ruiying Liu

Abstract:

Ischemic stroke is one of the major diseases with high morbidity, mortality, and disability rate all over the world. Chinese herb-derived active components would provide valuable candidate compounds for ischemic stroke therapy. Paeoniflorin (PF) is an active ingredient from Paeoniae Radix which possesses neurovascular effect after ischemia. However, so far, few studies are reported on the efficacy and mechanism of PF from angiogenesis aspects. Results from ourstudies showed that the ability for proliferation, migration, and tube formation in bone marrow-derived endothelial progenitor cells (BM-EPCs) was promoted by coculturing with PF (100 [Formula: see text]M). Furthermore, to investigate the angiogenic effects of PF, we constructed an ischemic stroke model in rats and found that PF could reduce cerebral infarction, alleviate pathological injury, and increase the secretion of pro-angiogenic factors and cerebral vascular density after intraperitonially administration of 40 mg⋅ kg[Formula: see text] ⋅ day[Formula: see text] for 14 days. Up-regulating the expression of VEGF/VEGF-Rmight be the mechanism of PF's angiogenic action. In conclusion, the present study provides evidence that PF is an active monomer of Traditional Chinese Medicine which shows angiogenic actions on endothelial progenitor cells and in ischemic stroke rat model.

Study Type : Animal Study

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