Anti‑fibrotic effects of Acremoniumterricola milleretal mycelium on immunological hepatic fibrosis in rats

Li,Xia; He,Can; Wu,Wang‑Yang; Huang,Huan; Li,Wei‑Zu; Yin,Yan‑Yan

doi:10.3892/mmr.2014.2604

Anti‑fibrotic effects of Acremoniumterricola milleretal mycelium on immunological hepatic fibrosis in rats

Authors:
- Xia Li
- Can He
- Wang‑Yang Wu
- Huan Huang
- Wei‑Zu Li
- Yan‑Yan Yin
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Affiliations: Department of Pharmacology, Anhui Medical University, Hefei, Anhui 230032, P.R. China
Published online on: September 30, 2014 https://doi.org/10.3892/mmr.2014.2604
Pages: 3327-3333

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Abstract

Acremoniumterricola milleretal mycelium (AMM) exerts numerous protective effects on organs, and has been used in Chinese herb prescriptions to treat refractory diseases. The aim of this study was to investigate the effects of AMM on immunological hepatic fibrosis induced by porcine serum (PS) in rats. Male Sprague Dawley rats were administered 0.5 ml sterile PS by intraperitoneal injections twice a week for 18 weeks. AMM (175, 350 or 700 mg/kg) and colchicine (0.1 mg/kg) were administered intragastrically each day until the rats were sacrificed. PS administration resulted in marked hepatic fibrosis, as assessed by increased oxidative stress and hepatic collagen content, as well as α‑smooth muscle actin (α‑SMA) expression. AMM significantly reduced liver damage and fibrosis. In addition, AMM decreased the elevation in hydroxyproline, hyaluronic acid, laminin and procollagen type III; increased the activity of superoxide dismutase and glutathione peroxidase; decreased α‑SMA expression; and eliminated hepatic collagen deposits. Furthermore, AMM inhibited Smad2/3 phosphorylation and Smad7 expression. These results indicate that AMM is able to reduce oxidative stress, inhibit collagen synthesis and block the transforming growth factor‑β/Smad signaling pathway in a dose‑dependent manner.

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