○種別 (必須): | □ | 学術論文 (審査論文)
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○言語 (必須): | □ | 英語
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○学究種別 (推奨): |
○組織 (推奨): |
○著者 (必須): | 1. | (英) Chowdhury Mohammed Golam Mowla (日) (読)
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| 2. | 前田 健一
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| 3. | 安友 康二 ([徳島大学.大学院医歯薬学研究部.医学域.医科学部門.病理系.生体防御医学])
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| 4. | 前川 洋一
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| 5. | (英) Furukawa Atsuko (日) (読)
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| 6. | (英) Azuma Miyuki (日) (読)
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| 7. | (英) Nagasawa Hideyuki (日) (読)
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| 8. | (英) Himeno Kunisuke (日) (読)
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○題名 (必須): | □ | (英) Antigen-specific B cells are required for the secondary response of T cells but not for their priming (日)
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○要約 (任意): | □ | (英) We studied the potential role of B cells in T cell responses using severe-combined immunodeficient (SCID) mice grafted with the thymus from fetal C.B-17 mice (TG mice). These mice developed both CD4+ and CD8+ T cells, but not B cells within 2 months after transplantation. TG mice showed normal delayed-type hypersensitivity responses against the immunizing antigen ovalbumin (OVA). Lymph node (LN) cells of TG mice proliferated well in response to concanavalin A (Con A). Further, Con A stimulation induced the production of interleukin (IL)-2, IL-6 and interferon (IFN)-gamma and the expression of IL-4 mRNA. Thus, TG mice were reconstituted without remarkable immunodeficiency. However, these T cells failed to proliferate to OVA stimulation. Response to OVA was also inhibited in SCID mice grafted with fetal C.B-17 liver cells when B cells were depleted in the proliferation assay. Unresponsiveness against immunizing antigen was restored by the addition of antigen-primed B cells, but not by naive B cells, lipopolysaccharide-activated B cells or B cells primed with sheep red blood cells. Next, we examined whether antigen-primed B cells could induce T cell responses without professional antigen-presenting cells (APC). T and B cells were purified from OVA-immunized mice by cell sorter. These T cells proliferated in response to OVA and produced IFN-gamma in the absence of non-B APC. When anti-CD80 or anti-CD86 was added in the assay, proliferation and IFN-gamma production was inhibited. These results indicate that B cells activated specifically with antigen are required for the secondary response of T cells, but not for their priming. (日)
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○キーワード (推奨): | 1. | (英) Animals (日) (読)
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| 2. | (英) Antigen-Presenting Cells (日) (読)
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| 3. | (英) Antigens, CD28 (日) (読)
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| 4. | (英) Antigens, CD80 (日) (読)
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| 5. | (英) B-Lymphocytes (日) (読)
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| 6. | (英) Epitopes (日) (読)
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| 7. | (英) Fetal Tissue Transplantation (日) (読)
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| 8. | 造血 (hematopoiesis)
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| 9. | (英) Hypersensitivity, Delayed (日) (読)
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| 10. | (英) Immunization, Secondary (日) (読)
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| 11. | (英) Liver Transplantation (日) (読)
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| 12. | (英) Lymphocyte Activation (日) (読)
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| 13. | (英) Mice (日) (読)
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| 14. | (英) Mice, SCID (日) (読)
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| 15. | (英) Ovalbumin (日) (読)
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| 16. | Tリンパ球 (T lymphocytes)
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| 17. | (英) Thymus Gland (日) (読)
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○発行所 (推奨): |
○誌名 (必須): | □ | European Journal of Immunology (European Federation of Immunological Societies)
(pISSN: 0014-2980, eISSN: 1521-4141)
○ISSN (任意): | □ | 0014-2980
ISSN: 0014-2980
(pISSN: 0014-2980, eISSN: 1521-4141) Title: European journal of immunologyTitle(ISO): Eur J ImmunolSupplier: European Federation of Immunological SocietiesPublisher: Wiley (NLM Catalog)
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(Scopus)
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○巻 (必須): | □ | 26
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○号 (必須): | □ | 7
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○頁 (必須): | □ | 1628 1633
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○年月日 (必須): | □ | 西暦 1996年 7月 初日 (平成 8年 7月 初日)
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○URL (任意): |
○DOI (任意): | □ | 10.1002/eji.1830260733 (→Scopusで検索)
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○PMID (任意): | □ | 8766571 (→Scopusで検索)
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○CRID (任意): |
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○Scopus (任意): | □ | 2-s2.0-0029947638
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○備考 (任意): | 1. | (英) Article.PublicationTypeList.PublicationType: Journal Article (日)
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