Abstract:
:The expression of interleukin (IL)-1 beta, IL-6 and their respective receptors has been studied in the rat brain before and up to 24 h after injury. Messenger RNA transcripts of these four genes were detected by in situ hybridization (ISH) in different structures of the intact brain. The distribution was very similar for IL-1 beta, IL-6 and IL-6 receptor (IL-6R). The expression of IL-1R was more widespread. Within hours after injury, an increased expression of IL-1 beta, and thereafter of IL-6 was documented. The expression of IL-1R and IL-6R was also increased. This expression was bilateral and not restricted to the injured area. Within 24 h, all ISH patterns had returned to normal. The molecular data were confirmed by protein data. Indeed, the distribution of IL-6 (detected by immunocytochemistry) agreed with the ISH patterns for IL-6. Furthermore, extracellular fluid was collected by microdialysis at the site of the lesion during 12 h and successive fractions were assayed for the presence of bioactive IL-1 and IL-6. Increases in IL-1 and later in IL-6 levels were detected. The rapid and concomitant increased expression of IL-1 beta, IL-6 and their receptors after injury stresses their possible early role in inflammatory mechanisms also in the brain, before any recruitment of inflammatory cells from remote nervous and not nervous areas.
journal_name
Eur J Immunoljournal_title
European journal of immunologyauthors
Yan HQ,Banos MA,Herregodts P,Hooghe R,Hooghe-Peters ELdoi
10.1002/eji.1830221131keywords:
subject
Has Abstractpub_date
1992-11-01 00:00:00pages
2963-71issue
11eissn
0014-2980issn
1521-4141journal_volume
22pub_type
杂志文章abstract::Two different lines of C57BL/6 mice (IgHb) carrying complete rearranged mu chain genes from BALB/c (IgMa) were analyzed for the expression and secretion of endogenous as well as transgenic immunoglobulins at the level of single cells. Quantitation of B cells expressing endogenous IgMb by cytofluorometry, limiting dilu...
journal_title:European journal of immunology
pub_type: 杂志文章
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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更新日期:1995-12-01 00:00:00
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journal_title:European journal of immunology
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journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.1830250405
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journal_title:European journal of immunology
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journal_title:European journal of immunology
pub_type: 杂志文章
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journal_title:European journal of immunology
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journal_title:European journal of immunology
pub_type: 杂志文章
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更新日期:1997-09-01 00:00:00
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journal_title:European journal of immunology
pub_type: 杂志文章
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journal_title:European journal of immunology
pub_type: 杂志文章
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journal_title:European journal of immunology
pub_type: 杂志文章
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journal_title:European journal of immunology
pub_type: 杂志文章
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更新日期:1991-04-01 00:00:00
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journal_title:European journal of immunology
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journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/eji.200323698
更新日期:2003-06-01 00:00:00
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journal_title:European journal of immunology
pub_type: 杂志文章
doi:10.1002/1521-4141(200111)31:11<3240::aid-immu3240>
更新日期:2001-11-01 00:00:00
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journal_title:European journal of immunology
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journal_title:European journal of immunology
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journal_title:European journal of immunology
pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:European journal of immunology
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journal_title:European journal of immunology
pub_type: 杂志文章
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journal_title:European journal of immunology
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更新日期:2001-06-01 00:00:00