Abstract:
:Blood and tissue eosinophilia is obtained when mice pretreated with cyclophosphamide (CY) and sensitized with picryl chloride are challenged on each ear lobe on day 13. To gain important insights into the cellular mechanisms involved in CY-induced eosinophilia in the contact-sensitivity reaction, we examined the cytokine profile expressed in regional lymph node cells and spleen cells. CY pretreatment 2 days before sensitization enhanced expression of IL-4 mRNA in the regional lymph node cells more strongly than expressions of both IL-2 and IFN-gamma mRNA on day 13. Five days after sensitization, spleen cells expressed IL-5 mRNA and produced IL-5 in vitro. Depletion of CD4(+) cells from spleen cells completely abrogated the secretory capacity of IL-5. In vivo blocking of IL-5 on day 3 entirely inhibited spleen, bone marrow, and subsequent blood eosinophilia. When immune lymph node cells prepared on day 13 were stimulated with hapten-modified cells in vitro, the level of IL-4 secreted in the culture supernatant was enhanced by CY pretreatment, but that of IL-2 was not. One important result was that IL-5 was not produced in response to in vitro stimulation, despite the fact that marked eosinophil infiltration in the dermis was observed in vivo. Thus, eosinophilopoiesis was stimulated by IL-5-producing CD4(+) immune T cells that were present in the eosinophil production site, particularly in the spleen before elicitation. In contrast, eosinophil recruitment into the dermis in the efferent phase can be induced without production of IL-5 from lymphocytes.
journal_name
Cell Immunoljournal_title
Cellular immunologyauthors
Sasaki G,Satoh T,Yokozeki H,Katayama I,Nishioka Kdoi
10.1006/cimm.2000.1677subject
Has Abstractpub_date
2000-08-01 00:00:00pages
124-33issue
2eissn
0008-8749issn
1090-2163pii
S0008-8749(00)91677-0journal_volume
203pub_type
杂志文章abstract::We compared macrophage binding and killing of F5b cells to the binding and killing of P815 mastocytoma cells and to several other nontransformed and transformed cell lines. Formalin fixation of elicited or activated macrophages did not affect binding of F5b or 3T3 cells but did abrogate binding of P815 cells. However,...
journal_title:Cellular immunology
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journal_title:Cellular immunology
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journal_title:Cellular immunology
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journal_title:Cellular immunology
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journal_title:Cellular immunology
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journal_title:Cellular immunology
pub_type: 杂志文章
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更新日期:1986-06-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
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pub_type: 杂志文章
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journal_title:Cellular immunology
pub_type: 杂志文章
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journal_title:Cellular immunology
pub_type: 杂志文章
doi:10.1016/j.cellimm.2009.10.013
更新日期:2010-01-01 00:00:00
abstract::IL-2 was previously shown to induce cytotoxic effectors with a broad spectrum of target specificities in thymus and spleen cell cultures. This study was designed to show whether T cells activated by H-2 allogeneic cells in MLC or by syngeneic tumor cells in MLTC are also potential targets for these cytotoxic effectors...
journal_title:Cellular immunology
pub_type: 杂志文章
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更新日期:1989-12-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
doi:10.1016/j.cellimm.2017.01.004
更新日期:2017-03-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
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更新日期:1990-06-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
doi:10.1006/cimm.2000.1729
更新日期:2000-12-15 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
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更新日期:1988-03-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
doi:10.1006/cimm.1993.1133
更新日期:1993-06-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
doi:10.1016/0008-8749(91)90007-x
更新日期:1991-01-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
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更新日期:1987-07-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
doi:10.1006/cimm.1995.1050
更新日期:1995-04-15 00:00:00
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pub_type: 杂志文章
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更新日期:1990-10-15 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
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更新日期:1985-09-01 00:00:00
abstract::Dexamethasone is a potent anti-inflammatory and immunosupressive agent that has complex, yet incompletely defined, effects on the immune response. Here, we explored the effect of dexamethasone on the expression of TCR zeta chain and TCR/CD3-induced early signaling events in human T lymphocytes. Immunoblotting studies ...
journal_title:Cellular immunology
pub_type: 杂志文章
doi:10.1006/cimm.2001.1761
更新日期:2001-02-25 00:00:00
abstract::In view of the eminently important role of interleukin-2 (IL-2) in T-cell responses, and in view of reports about immune stimulatory effects of PGE2, we reinvestigated the question whether PGE2 inhibits IL-2 production. It was found that PGE2 does not inhibit IL-2 production in murine spleen cell cultures after optima...
journal_title:Cellular immunology
pub_type: 杂志文章
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更新日期:1985-01-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
doi:10.1016/j.cellimm.2016.12.008
更新日期:2017-03-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
doi:10.1016/0008-8749(84)90242-9
更新日期:1984-01-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
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更新日期:1993-06-01 00:00:00
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journal_title:Cellular immunology
pub_type: 杂志文章
doi:10.1006/cimm.1995.1212
更新日期:1995-10-15 00:00:00
abstract::To investigate the consequences of food allergy in adipose tissue and metabolism, we used a murine model in which mice have been sensitized subcutaneously with ovalbumin and further received antigen-containing diet. Allergic mice presented a significant weight loss 7 days after oral challenge with a concomitant decrea...
journal_title:Cellular immunology
pub_type: 杂志文章
doi:10.1016/j.cellimm.2011.05.008
更新日期:2011-01-01 00:00:00