Abstract:
BACKGROUND:Interleukin-1alpha (IL-1) is known to radioprotect the gastrointestinal tract, but the mechanism by which this protection occurs remains unclear. These studies were undertaken to investigate whether the radioprotective potential of IL-1 may be linked to an ability to reduce apoptosis within the gastrointestinal crypts. MATERIALS AND METHODS:IL-1 was administered to C57Bl/6 mice 24 hours prior to receiving 8 Gy abdominal X-irradiation (xRT). At designated times, experimental mice were sacrificed, jejunal tissue removed, and paraffin-embedded sections analyzed for apoptosis indices (AI) and immunohistochemical determination of active caspase-3, -8 and -9. RESULTS:AI data demonstrated that 8 Gy irradiation resulted in a marked jejunal apoptotic response, but IL-1 pretreatment significantly attenuated this response. Concomitant with this attenuation, reduced levels of caspase-3 and 9, but not caspase-8, activation were observed, particularly within goblet cells. CONCLUSION:The results outlined herein suggest that radioprotection by IL-1 is mediated, at least in part, through a reduction in the apoptotic response which appears to involve down-regulation of the intrinsic apoptotic pathway.
journal_name
Anticancer Resjournal_title
Anticancer researchauthors
Johnke RM,Smith ES,Cariveau MJ,Evans MJ,Kilburn JM,Bakken NT,Nangami GNsubject
Has Abstractpub_date
2008-11-01 00:00:00pages
3601-7issue
6Aeissn
0250-7005issn
1791-7530journal_volume
28pub_type
杂志文章abstract::The aim of the study was to investigate tumor suppressor genes (TSGs) which play a role in the pathogenesis of prostate cancer. Additionally, different prostate tumors were immunohistochemically related to their potential precursor cells, the basal cells and the glandular secretory epithelium, which differ in their ho...
journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:1997-07-01 00:00:00
abstract:BACKGROUND:Late developing breast cancer metastases are common and lethal despite treatment with adjuvant chemotherapy at the time of primary tumor excision. Stimulation of an antitumor immune response is an alternative strategy for preventing this devastating development. MATERIALS AND METHODS:A mouse model of the hu...
journal_title:Anticancer research
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journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:2006-01-01 00:00:00
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journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:1993-11-01 00:00:00
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journal_title:Anticancer research
pub_type: 杂志文章,多中心研究
doi:
更新日期:2007-07-01 00:00:00
abstract::p63 expression was evaluated in a tissue microarray of prostate tissues including benign glands, prostatic intraepithelial neoplasia and prostatic carcinoma. Immunostaining with anti-p63 antibody was restricted to basal cell nuclei. Detectable p63 was found in immortalized and early passage cell cultures, but not in s...
journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:2002-11-01 00:00:00
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journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:1990-11-01 00:00:00
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journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:1997-01-01 00:00:00
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journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:2010-06-01 00:00:00
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journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:2007-05-01 00:00:00
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journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:1994-11-01 00:00:00
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journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:1998-07-01 00:00:00
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journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:2002-07-01 00:00:00
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journal_title:Anticancer research
pub_type: 临床试验,杂志文章
doi:
更新日期:2005-05-01 00:00:00
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journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:1994-09-01 00:00:00
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journal_title:Anticancer research
pub_type: 杂志文章
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journal_title:Anticancer research
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doi:
更新日期:2015-03-01 00:00:00
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journal_title:Anticancer research
pub_type: 临床试验,杂志文章,多中心研究
doi:
更新日期:2002-03-01 00:00:00
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更新日期:2010-01-01 00:00:00
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journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:2008-11-01 00:00:00
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journal_title:Anticancer research
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journal_title:Anticancer research
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doi:
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journal_title:Anticancer research
pub_type: 杂志文章
doi:
更新日期:2009-07-01 00:00:00
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journal_title:Anticancer research
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doi:
更新日期:1994-03-01 00:00:00
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journal_title:Anticancer research
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