Abstract:
:Glomerular crescent formation characterizes severe glomerulonephritis (GN). Evidence suggests that crescent formation results from a delayed-type hypersensitivity-like Th1 response. As IL-12 directs Th1 responses, we tested the hypothesis that IL-12 is important in crescentic GN. Neutralization of IL-12 attenuated crescent formation and cell-mediated injury in C57BL/6 mice sensitized to and challenged with sheep anti-mouse glomerular basement membrane (GBM) globulin. Recombinant IL-12 induced severe crescentic GN with enhanced Th1 responses in C57BL/6 mice in which non-crescentic GN was induced by injecting anti-GBM globulin into naive mice. BALB/c mice do not develop significant crescent formation in these models, due either to regulatory effects of IL-4, or to deficits in IL-12 production/responsiveness. Administering IL-12 to BALB/c mice with GN induced Th1 responses and crescent formation, whereas IL-4-deficient BALB/c mice did not develop cell-mediated crescentic injury when GN was induced in sensitized mice. These results establish a central role for IL-12 in severe crescentic GN.
journal_name
Eur J Immunoljournal_title
European journal of immunologyauthors
Kitching AR,Tipping PG,Holdsworth SRdoi
10.1002/(SICI)1521-4141(199901)29:01<1::AID-IMMU1>subject
Has Abstractpub_date
1999-01-01 00:00:00pages
1-10issue
1eissn
0014-2980issn
1521-4141journal_volume
29pub_type
杂志文章abstract::Among 15 anti-DNA antibody-producing hybridomas derived from a single NZB X NZW F1 mouse, an IgM and an IgG were shown to use the same VH gene of the Q52 family. Using a combination of two primers both consisting of a mixture of oligonucleotides (one complementary to the 5' end of VH segment and one to the 3' end of V...
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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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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doi:10.1002/1521-4141(200009)30:9<2660::AID-IMMU2660>3
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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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