Abstract:
:Context: Tamoxifen (TAM) ameliorates D-galactosamine/lipopolysaccharide (Gal/LPS)-induced acute liver failure (ALF) through its antioxidative effect; thus, this study was designed to determine whether the effectiveness of TAM is related to nuclear factor-κB (NF-κB) reactivation. Materials and methods: Experimental mice were injected with TAM once daily for 3 consecutive days intraperitoneally (i.p). Twelve hours after pretreatment, Gal/LPS was given to mice (i.p) for ALF induction. In the positive control group, N-acetylcysteine (NAC) was administered immediately after ALF establishment. Except for survival observation, other animals were sacrificed 7 h after Gal/LPS treatment. Survival and hepatic failure were evaluated. For the oxidation assessment, the reduced/oxidized glutathione (GSH/GSSG) ratio and hepatic superoxide dismutase (SOD) activity were analyzed using both colorimetry and Western blotting. Lastly, hepatic NF-κB activation was measured through Western blot analysis of p65 and IκBα. Results: The results indicated that pretreatment with TAM dramatically attenuated Gal/LPS-induced ALF, as demonstrated by improved survival (70%), decreased transaminase levels, and reversed histopathological manifestation. In addition, the hepatic GSH/GSSG ratio and SOD activity were decreased in the ALF model. However, to some degree, TAM and NAC effectively prevented this undesirable phenomenon in contrast to the ALF model. Western blotting revealed that compared with mice in the ALF model group, mice treated with TAM or NAC showed reactivation of hepatic NF-κB. Conclusions: Taking the results together with those of other studies, we conclude that TAM may attenuate Gal/LPS-induced ALF by antagonizing oxidative stress through NF-κB reactivation.
journal_name
Immunopharmacol Immunotoxicoljournal_title
Immunopharmacology and immunotoxicologyauthors
Liu L,Zhao Y,Lin Y,Zhang R,Luo S,Ye P,Luo Mdoi
10.1080/08923973.2019.1569044subject
Has Abstractpub_date
2019-04-01 00:00:00pages
192-198issue
2eissn
0892-3973issn
1532-2513journal_volume
41pub_type
杂志文章abstract:OBJECTIVE:To establish the clearance of cervical human papillomavirus (HPV) infection following postoperative immunotherapy with inosine pranobex in women receiving surgical treatment of established high-grade squamous intraepithelial lesion (HSIL) of the uterine cervix. MATERIALS AND METHODS:Over the six-year study p...
journal_title:Immunopharmacology and immunotoxicology
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journal_title:Immunopharmacology and immunotoxicology
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doi:10.1080/08923970500418786
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journal_title:Immunopharmacology and immunotoxicology
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doi:10.3109/08923973.2012.677046
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abstract::Chief part of hemopoietic stromal cells in mediating hemopoiesis-stimulating effects of adamantylamide dipeptide (AdDP), a synthetic immunomodulatory compound, has been determined in a series of combined in vivo/in vitro studies. Indirect stimulatory effect of AdDP on proliferation of hemopoietic progenitor cells for ...
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pub_type: 杂志文章
doi:10.1081/iph-100108597
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abstract::Abstract Alpinetin, a flavonoid compound extracted from the seeds of Alpinia katsumadai Hayata, has been known to possess antibacterial, anti-inflammatory and other important therapeutic activities. In the current study, we investigated alpinetin for its immunosuppressive effect on activation and cytokines secretion o...
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journal_title:Immunopharmacology and immunotoxicology
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abstract:BACKGROUND AND AIM:To probe into the effects of different doses of FK506 on endocrine function of pancreatic islets in Wistar rats. METHODS:Wistar rats were randomly divide into control group A (0mg/kg/d) and experimental group B (1mg/kg/d), C (3mg/kg/d), D (10mg/kg/d) treated with FK506. In an intraperitoneal glucose...
journal_title:Immunopharmacology and immunotoxicology
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journal_title:Immunopharmacology and immunotoxicology
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journal_title:Immunopharmacology and immunotoxicology
pub_type: 杂志文章
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journal_title:Immunopharmacology and immunotoxicology
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journal_title:Immunopharmacology and immunotoxicology
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journal_title:Immunopharmacology and immunotoxicology
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更新日期:2015-06-01 00:00:00
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journal_title:Immunopharmacology and immunotoxicology
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journal_title:Immunopharmacology and immunotoxicology
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journal_title:Immunopharmacology and immunotoxicology
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doi:10.3109/08923979209009231
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journal_title:Immunopharmacology and immunotoxicology
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journal_title:Immunopharmacology and immunotoxicology
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