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Author:

Li, Mei (Li, Mei.) | Wang, Xiu-Fang (Wang, Xiu-Fang.) | Shi, Juan-Juan (Shi, Juan-Juan.) | Li, Ya-Ping (Li, Ya-Ping.) | Yang, Ning (Yang, Ning.) | Zhai, Song (Zhai, Song.) | Dang, Shuang-Suo (Dang, Shuang-Suo.)

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SCIE PubMed Scopus

Abstract:

AIM: To investigate the hepatoprotective effects and antioxidant activity of caffeic acid phenethyl ester (CAPE) in rats with liver fibrosis. METHODS: A total of 75 male Sprague-Dawley rats were randomly assigned to seven experimental groups: a normal group (n = 10), a vehicle group (n = 10), a model group (n = 15), a vitamin E group (n = 10), and three CAPE groups (CAPE 3, 6 and 12 mg/kg, n = 10, respectively). Liver fibrosis was induced in rats by injecting CCl4 subcutaneously, feeding with high fat forage, and administering 30% alcohol orally for 10 wk. Concurrently, CAPE (3, 6 and 12 mg/kg) was intraperitoneally administered daily for 10 wk. After that, serum total bilirubin (TBil), aminotransferase (ALT) and aspartate aminotransferase (AST) levels were measured to assess hepatotoxicity. To investigate antioxidant activity of CAPE, malondialdehyde (MDA), glutathione (GSH) levels, catalase (CAT) and superoxide dismutase (SOD) activities in liver tissue were determined. Moreover, the effect of CAPE on alpha-smooth muscle actin (alpha-SMA), a characteristic hallmark of activated hepatic stellate cells (HSCs), and NF-E2-related factor 2 (Nrf2), a key transcription factor for antioxidant systems, was investigated by immunohistochemistry. RESULTS: Compared to the model group, intraperitoneal administration of CAPE decreased TBil, ALT, and AST levels in liver fibrosis rats (P < 0.05), while serum TBil was decreased by CAPE in a dose-dependent manner. In addition, the liver hydroxyproline contents in both the 6 and 12 mg/kg CAPE groups were markedly lower than that in the model group (P < 0.05 and P < 0.001, respectively). CAPE markedly decreased MDA levels and, in turn, increased GSH levels, as well as CAT and SOD activities in liver fibrosis rats compared to the model group (P < 0.05). Moreover, CAPE effectively inhibited alpha-SMA expression while increasing Nrf2 expression compared to the model group (P < 0.01). CONCLUSION: The protective effects of CAPE against liver fibrosis may be due to its ability to suppress the activation of HSCs by inhibiting oxidative stress.

Keyword:

alpha-smooth muscle actin Caffeic acid phenethyl ester Liver fibrosis NF-E2-related factor 2 Oxidative stress

Author Community:

  • [ 1 ] [Li, Mei; Wang, Xiu-Fang; Shi, Juan-Juan; Li, Ya-Ping; Yang, Ning; Zhai, Song; Dang, Shuang-Suo] Xi An Jiao Tong Univ, Dept Infect Dis, Sch Med, Affiliated Hosp 2, Xian 710004, Shaanxi Provinc, Peoples R China
  • [ 2 ] [Li, Mei]Xi An Jiao Tong Univ, Dept Infect Dis, Sch Med, Affiliated Hosp 2, Xian 710004, Shaanxi Provinc, Peoples R China
  • [ 3 ] [Wang, Xiu-Fang]Xi An Jiao Tong Univ, Dept Infect Dis, Sch Med, Affiliated Hosp 2, Xian 710004, Shaanxi Provinc, Peoples R China
  • [ 4 ] [Shi, Juan-Juan]Xi An Jiao Tong Univ, Dept Infect Dis, Sch Med, Affiliated Hosp 2, Xian 710004, Shaanxi Provinc, Peoples R China
  • [ 5 ] [Li, Ya-Ping]Xi An Jiao Tong Univ, Dept Infect Dis, Sch Med, Affiliated Hosp 2, Xian 710004, Shaanxi Provinc, Peoples R China
  • [ 6 ] [Yang, Ning]Xi An Jiao Tong Univ, Dept Infect Dis, Sch Med, Affiliated Hosp 2, Xian 710004, Shaanxi Provinc, Peoples R China
  • [ 7 ] [Zhai, Song]Xi An Jiao Tong Univ, Dept Infect Dis, Sch Med, Affiliated Hosp 2, Xian 710004, Shaanxi Provinc, Peoples R China
  • [ 8 ] [Dang, Shuang-Suo]Xi An Jiao Tong Univ, Dept Infect Dis, Sch Med, Affiliated Hosp 2, Xian 710004, Shaanxi Provinc, Peoples R China

Reprint Author's Address:

  • Xi An Jiao Tong Univ, Dept Infect Dis, Sch Med, Affiliated Hosp 2, 157 Xiwu Rd, Xian 710004, Shaanxi Provinc, Peoples R China.

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Source :

WORLD JOURNAL OF GASTROENTEROLOGY

ISSN: 1007-9327

Year: 2015

Issue: 13

Volume: 21

Page: 3893-3903

2 . 7 8 7

JCR@2015

5 . 7 4 2

JCR@2020

ESI Discipline: CLINICAL MEDICINE;

ESI HC Threshold:178

JCR Journal Grade:2

CAS Journal Grade:3

Cited Count:

WoS CC Cited Count: 40

SCOPUS Cited Count: 49

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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