Abstract Title:

Chrysin inhibits human airway smooth muscle cells proliferation through the extracellular signal‑regulated kinase 1/2 signaling pathway.

Abstract Source:

Mol Med Rep. 2015 Sep 30. Epub 2015 Sep 30. PMID: 26502995

Abstract Author(s):

Jing Yao, Yun-Shi Zhang, Gan-Zhu Feng, Qiang Du

Article Affiliation:

Jing Yao


Asthma is a chronic airway inflammatory disease characterized by an increased mass of airway smooth muscle (ASM). Chrysin (5,7‑dihydroxyflavone), a natural flavonoid, has been shown to exert multiple biological activities, including anti‑inflammatory, anti‑proliferative and anti‑oxidant effects, as well as the potency to ameliorate asthma in animal models. The objective of the present study was to identify the underlying mechanism of the therapeutic effects of chrysin. The impact of chrysin on basal and platelet‑derived growth factor (PDGF)‑induced proliferation and apoptosis of human airway smooth muscle cells (HASMCs) was investigated. Furthermore, the activation of the extracellular signal-regulated protein kinase (ERK) signaling pathway was evaluated in HASMCs. The results revealed that chrysin significantly inhibited basal as well as PDGF‑induced HASMC proliferation, most likely through the suppression of ERK1/2 phosphorylation. However, chrysin did not significantly reduce PDGF‑induced apoptosis of HASMCs. The present study indicated that chrysin may be a promising medication for controlling airway remodeling and clinical manifestations of asthma.

Study Type : In Vitro Study

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