Abstract:
:We explored the function of the intestine's mucosal barrier to foreign antigen entry in Crohn's disease. Macroscopically and microscopically uninvolved areas of the small intestines of patients with Crohn's disease were examined. We studied 27 endoscopic biopsy samples from 17 patients with Crohn's disease and 14 samples from nine controls. The absorption and degradation of horseradish peroxidase (molecular weight 40,000 Da) were studied in Ussing chambers. The absorption of intact horseradish peroxidase was significantly increased in patients with moderate or severe Crohn's disease: 271 (95% confidence interval 119-616) ng/hr/cm2, but not in those with slight disease activity: 42 (18-98), compared with controls: 45 (32-64); F = 10.90, P = 0.0002. The transport rates of degraded horseradish peroxidase were comparable in the Crohn's disease samples and controls. Our results indicate that enhanced absorption of macromolecules is associated with clinical activation of Crohn's disease, and impairment of the mucosal barrier function is a secondary phenomenon in Crohn's disease.
journal_name
Dig Dis Scijournal_title
Digestive diseases and sciencesauthors
Malin M,Isolauri E,Pikkarainen P,Karikoski R,Isolauri Jdoi
10.1007/BF02088568subject
Has Abstractpub_date
1996-07-01 00:00:00pages
1423-8issue
7eissn
0163-2116issn
1573-2568journal_volume
41pub_type
杂志文章abstract::The role of HBV precore mutations in the spontaneous reactivation of chronic hepatitis B (CHB) is currently unknown. We studied 10 patients with CHB; five were HBeAg+ (group I) and five were anti-HBe+ (group II). All 10 had spontaneous reactivation of CHB as defined by the appearance of clinical symptoms along with an...
journal_title:Digestive diseases and sciences
pub_type: 杂志文章
doi:10.1007/BF02088138
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journal_title:Digestive diseases and sciences
pub_type: 杂志文章
doi:10.1007/BF02208653
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journal_title:Digestive diseases and sciences
pub_type: 杂志文章
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journal_title:Digestive diseases and sciences
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journal_title:Digestive diseases and sciences
pub_type: 杂志文章
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更新日期:1992-11-01 00:00:00
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journal_title:Digestive diseases and sciences
pub_type: 杂志文章
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journal_title:Digestive diseases and sciences
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Digestive diseases and sciences
pub_type: 临床试验,杂志文章,多中心研究
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更新日期:1995-09-01 00:00:00
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journal_title:Digestive diseases and sciences
pub_type: 杂志文章
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journal_title:Digestive diseases and sciences
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journal_title:Digestive diseases and sciences
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journal_title:Digestive diseases and sciences
pub_type: 临床试验,杂志文章,随机对照试验
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journal_title:Digestive diseases and sciences
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