Abstract:
:We previously reported that various gastric irritants induced both apoptosis and necrosis in cultured gastric mucosal cells. In a continuation of this work, the present study has examined the effects of prostaglandin E2 (PGE2), a cytoprotective factor for gastric mucosa in vivo, on gastric irritant-induced apoptosis and necrosis in vitro. PGE2 inhibited ethanol-induced apoptosis and increased cell viability in a dose-dependent manner in primary cultures of guinea pig gastric mucosal cells. PGE2 also inhibited hydrogen peroxide-induced apoptosis. In contrast, PGE2 showed no cytoprotective effects against ethanol-induced necrosis. Based on these results, we consider that the cytoprotective effects of PGE2 on gastric mucosa in vivo can be partially explained by its inhibitory effect on gastric irritant-induced apoptosis.
journal_name
Dig Dis Scijournal_title
Digestive diseases and sciencesauthors
Hoshino T,Takano T,Tsutsumi S,Tomisato W,Tsuchiya T,Mizushima Tdoi
10.1023/a:1020164000898subject
Has Abstractpub_date
2002-10-01 00:00:00pages
2370-9issue
10eissn
0163-2116issn
1573-2568journal_volume
47pub_type
杂志文章abstract::Modern methods of diagnosing diarrhea-predominant irritable bowel syndrome (D-IBS) require a "diagnosis of exclusion" approach. In this study we aim to test the diagnostic ability of using the fluctuation of frequency and consistency of bowel patterns in IBS to discriminate it from other causes of diarrhea. Eligible s...
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
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journal_title:Digestive diseases and sciences
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pub_type: 临床试验,杂志文章
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