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Dendrobium candidum Wall. ex Lindl. attenuates CCl4-induced hepatic damage in imprinting control region mice.

Abstract：

:The aim of the present study was to determine the preventive effect of the traditional Chinese medicine, Dendrobium candidum Wall ex Lindl. (D. candidum), on CCl4-induced hepatic damage in mice. The CCl4-induced hepatic damage mice were treated with D. candidum, and the serum levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT), lactate dehydrogenase (LDH), triglyceride (TG) and total cholesterol (TC) were determined. In addition, serum cytokine levels of interleukin (IL)-6, IL-12, tumor necrosis factor (TNF)-α and interferon (IFN)-γ were analyzed with kits, while liver tissues were analyzed using hematoxylin and eosin staining and reverse transcription polymerase chain reaction (RT-PCR). Furthermore, the contents of D. candidum were determined by nuclear magnetic resonance (NMR). D. candidum was demonstrated to successfully prevent hepatic damage in mice. The serum levels of AST, ALT and LDH were significantly decreased when the mice were treated with 200 and 400 mg/kg D. candidum, as compared with the control mice (P<0.05). The lowest enzymatic activities were exhibited in the 400 mg/kg D. candidum group, which produced similar results to the positive control drug, silymarin. In addition, in the 400 mg/kg D. candidum group, the highest levels of TG and TC were observed among the treated groups. D. candidum-treated groups also demonstrated reduced levels of the serum proinflammatory cytokines, IL-6, IL-12, TNF-α and IFN-γ. The sections of liver tissue examined during histopathology in the high concentration 400 mg/kg D. candidum group recovered well from CCl4 damage; however, the sections in the 200 mg/kg D. candidum group revealed necrosis to a more serious degree. RT-PCR analysis was conducted on inflammation-associated genes, including nuclear factor (NF)-κB, IκB-α, inducible nitric oxide synthase (iNOS) and cyclooxygenase (COX)-2, in the livers of the mice. The 400 mg/kg D. candidum group demonstrated significantly decreased mRNA expression levels of NF-κB, iNOS and COX-2, but an increased expression level of IκB-α when compared with the CCl4-treated control group. Furthermore, using NMR, 11 compounds were identified in the D. candidum leaf, whose functional contents may aid the preventive effect observed in the current study. Therefore, D. candidum may potentially contribute to the prevention of CCl4-induced hepatic damage in vivo.

journal_name

Exp Ther Med

journal_title

Experimental and therapeutic medicine

authors

Li GJ,Sun P,Wang Q,Qian Y,Zhu K,Zhao X

doi

10.3892/etm.2014.1834

subject

Has Abstract

pub_date

2014-09-01 00:00:00

pages

1015-1021

issue

eissn

1792-0981

issn

1792-1015

pii

etm-08-03-1015

journal_volume

pub_type

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Dendrobium candidum Wall. ex Lindl. attenuates CCl4-induced hepatic damage in imprinting control region mice.