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Abstract Title:

Astragaloside IV attenuates inflammatory response mediated by NLRP-3/calpain-1 is involved in the development of pulmonary hypertension.

Abstract Source:

J Cell Mol Med. 2020 Dec 8. Epub 2020 Dec 8. PMID: 33295020

Abstract Author(s):

Yang Sun, Meili Lu, Tairan Sun, Hongxin Wang

Article Affiliation:

Yang Sun

Abstract:

Inflammation eventually leads to pulmonary arterial hypertension (PAH). Astragaloside IV(AS-IV) has a protective effect on pulmonary hypertension, but the specific protective mechanism has been unclear until now. Therefore, in this study, our aim was to investigate the mechanisms underlying the effects of AS-IV on PAH. In vivo, male Sprague-Dawley (SD) rats were injected intraperitoneally with monocrotaline (MCT, 60 mg/kg) and treated with AS-IV (40 mg/kg, 80 mg/kg), MCC950 and MDL-28170. In vitro, human pulmonary artery endothelial cells (HPAECs) were treated with monocrotaline pyrrole (MCTP, 60 μg/mL). The protein expression levels of NLRP-3, caspase-1, ASC, IL-18, IL-1β and calpain-1 were measured invivo and/or in vitro. The results showed that AS-IV decreased the protein expression levels of NLRP-3, caspase-1, ASC, IL-18, IL-1β and calpain-1 in vivo and/or vitro. In conclusion, in this study the results suggested that AS-IV could inhibit monocrotaline-induced pulmonary arterial hypertensionvia the NLRP-3/calpain-1 pathway.

Study Type : Animal Study, In Vitro Study

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