Abstract:
BACKGROUND:Bismuth compounds prevent gastric injury from the short-term administration of nonsteroidal anti-inflammatory drugs. We studied the mechanisms underlying the gastroprotective actions of bismuth subsalicylate against indomethacin-induced injury in rats. METHODS:An in vivo microscopic technique was used in which acid output, surface cell intracellular pH (pHi), gastric mucus gell thickness and mucosal blood flow were measured simultaneously. Concentrations of bismuth in mucus were measured by atomic absorption. RESULTS:Indomethacin (60 mg/kg) significantly thinned the mucus gel layer and augmented the decrease of pHi during luminal acid superfusion, consistent with a weakened gastric mucosal barrier to acid. Bismuth subsalicylate partially reversed this effect of indomethacin on pHi, consistent with gastroprotection. Neither a prostaglandin-inhibiting but non-injurious dose of indomethacin (5 mg/kg), bismuth subsalicylate, or their combination affected mucus gel thickness or pHi homeostasis. In separate experiments, indomethacin (60 mg/kg) significantly increased gastric mucus bismuth concentration in rats given bismuth subsalicylate. CONCLUSION:Bismuth accumulation in the gastric mucus during the evolution of mucosal injury may play an important role in the gastroprotective effect of bismuth subsalicylate against indomethacin injury.
journal_name
Aliment Pharmacol Therjournal_title
Alimentary pharmacology & therapeuticsauthors
Tanaka S,Guth PH,Carryl OR,Kaunitz JDdoi
10.1046/j.1365-2036.1997.00170.xsubject
Has Abstractpub_date
1997-06-01 00:00:00pages
605-12issue
3eissn
0269-2813issn
1365-2036journal_volume
11pub_type
杂志文章abstract:BACKGROUND:The presence of antibodies towards infliximab (ATI) is associated with lower infliximab (IFX) trough concentrations and loss of response. IFX treatment intensification is effective for restoring response in most, but not all patients with Crohn's disease (CD). AIM:To compare outcome, pharmacokinetics and im...
journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章
doi:10.1111/apt.14452
更新日期:2018-02-01 00:00:00
abstract:AIM:To compare endoscopic banding ligation vs. no treatment in cirrhotics with intolerance or contraindications to beta-blockers for prevention of first bleeding in portal hypertension. METHODS:A sample size of 214 was planned with all sizes of varices. However, the trial was stopped due to increased bleeding in 52 pa...
journal_title:Alimentary pharmacology & therapeutics
pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
doi:10.1111/j.1365-2036.2005.02457.x
更新日期:2005-06-15 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,评审
doi:10.1111/j.1365-2036.2007.03476.x
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abstract::More than 15 years after the launch of omeprazole in 1988, proton-pump inhibitors remain central to the management of acid-suppression disorders and are unchallenged with regard to their efficacy and popularity among doctors and patients. They are considered safe despite early concerns about the possibility of an asso...
journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,评审
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更新日期:2005-08-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,评审
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abstract:BACKGROUND:Programmed cell death protein-1-targeted immunotherapy has shown promising results in phase II studies of hepatocellular carcinoma. AIM:To evaluate safety and efficacy of nivolumab and pembrolizumab in an international, multicentre, real-world cohort of patients with advanced hepatocellular carcinoma. METH...
journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,多中心研究
doi:10.1111/apt.15245
更新日期:2019-05-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章
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更新日期:2015-12-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
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pub_type: 杂志文章
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journal_title:Alimentary pharmacology & therapeutics
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更新日期:2012-11-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2004-01-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章
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更新日期:2009-08-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,评审
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更新日期:2010-01-01 00:00:00
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pub_type: 杂志文章,评审
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更新日期:2016-02-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
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更新日期:2012-07-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章
doi:10.1111/j.1365-2036.2010.04440.x
更新日期:2010-10-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,评审
doi:10.1111/apt.15432
更新日期:2019-09-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 临床试验,杂志文章,多中心研究
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pub_type: 杂志文章
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1997-04-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,评审
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更新日期:2003-11-15 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章
doi:10.1111/j.1365-2036.2007.03394.x
更新日期:2007-09-15 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,多中心研究,随机对照试验
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更新日期:2010-07-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:2003-04-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章
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更新日期:2010-07-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章,多中心研究
doi:10.1111/apt.15687
更新日期:2020-05-01 00:00:00
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journal_title:Alimentary pharmacology & therapeutics
pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1990-12-01 00:00:00
abstract:BACKGROUND:Comparative long-term efficacy of entecavir (ETV) and tenofovir disoproxil fumarate (TDF) for prevention of disease progression to hepatocellular carcinoma (HCC) among high-risk patients with chronic hepatitis B (CHB)-related compensated cirrhosis is controversial. AIMS:To compare the long-term efficacy of ...
journal_title:Alimentary pharmacology & therapeutics
pub_type: 杂志文章
doi:10.1111/apt.16116
更新日期:2020-12-01 00:00:00