Basic and Clinical Studies on abnormal expression of cytokine receptors in animals
Basic and Clinical Studies on abnormal expression of cytokine receptors in animals
批准号:
02454107
负责人:
HASEGAWA Atsuhiko
金额:
$4.22万
依托单位国家:
日本
项目类别:
Grant-in-Aid for General Scientific Research (B)
财政年份:
1990
资助国家:
日本
项目状态:
已结题
起止时间:
1990 至 1991
中文摘要
1. 网状内皮增生是一种非常原始的猫科骨髓增生性疾病,从患有网状内皮增生的猫身上获得的白血病细胞组成性地表达白细胞介素(IL)-2受体α链亚基2。猫传染性腹膜炎(FIP)病毒(FIPV)接种培养的CRFK细胞诱导IL-6的产生。FIP猫的腹水含有大量的IL-1。此外,在腹膜渗出细胞和β cDNA探针中检测IL-1 α和β mRNA探针、转录本的表达。通过与生物素化的人IL-1 α cDNA探针原位杂交,也证实了IL-1 α mRNA在FIP猫炎性病变浸润的巨噬细胞/单核细胞中的表达。抗小鼠IL-6受体抗体抑制IL-6诱导的血小板数量增加和特异性抗体反应。牛B类淋巴母细胞BL2M3和BL312细胞释放生长促进因子,这些细胞也对这些因子有应答。生长促进因子诱导的bl2m3细胞增殖明显被添加针对肿瘤相关抗原表位之一的抗体所抑制。分析了细胞因子的产生及其受体的表达与家畜肿瘤和感染的发病机制的关系。
英文摘要
1. The leukemic cells obtained from a cat with reticuloendotheliosis, which is a very, primitive type of feline myeloproliferative diseases, constitutively expressed interleukin (IL)-2 receptor alpha-chain subunit.2. The inoculation of feline infectious peritonitis (FIP) virus (FIPV) to cultured CRFK cells induced IL-6 production. Ascites from cats with FIP contained significant amounts of IL-1. Furthermore, IL-1 alpha and beta mRNA probes, the expression of franscripts were detected in peritoneal exudate cells and beta cDNA probes. By in situ hybridization with biotinylated human IL-1 alpha cDNA probes, the expression of IL-1 alpha mRNA was also confirmed in macrophage/monocytes infiltrated in the inflammatory lesions of FIP cats.3. Administration of anti-murine IL-6 receptor antibody inhibited the IL-6-induced increase of platelet numbers and specific antibody responses.4. The bovine B, Iymphoblastoid cell lines, BL2M3 and BL312 cells, released growth-promoting factors, and these cells also responded to the factors. The growth promoting factor-induced proliferation of BL2M3cells clearly i"nhibited by the addition of the antibody against one of the epitopes of tumor-associated antigen.The production of cytokines and the expression of their receptors were analyzed in association with the pathogenesis of neoplasms and infections in domestic animals.
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通讯作者:
Goitsuka,R.: "Characterization of a feline infectious peritonitis virus isolatc." J. Vet. Med. Sci.53. 337-339 (1991)
Goitsuka,R.:“猫传染性腹膜炎病毒分离株的特征。”
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通讯作者:
Hiroshi Suzuki et al.: "Anti-murine IL-6 receptor antibody inhibits IL-6 effects in vivo" Immunol. Letters. 30. 17-22 (1991)
Hiroshi Suzuki 等人:“抗鼠 IL-6 受体抗体抑制体内 IL-6 效应”Immunol。
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共 22 条
HTLV-1-specific T cell suppression in infected individuals
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批准号:23591414
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财政年份:2011
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负责人:HASEGAWA Atsuhiko
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Effectiveness of small interfering RNA(siRNA)against the Mcl-1 gene in a canine mammary gland tumor cell line
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财政年份:2006
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Molecular Diagnosis of Mycoses
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批准号:12460141
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项目类别:Grant-in-Aid for Scientific Research (B)
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资助金额:$4.93万
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财政年份:2000
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ESTABLISHMENT OF DNA DIAGNOSES IN VETERINARY MEDICINE
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资助金额:$3.71万
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财政年份:1994
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负责人:HASEGAWA Atsuhiko
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Studies on receptors of animal lentiviruses
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批准号:05454123
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资助金额:$4.74万
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财政年份:1993
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负责人:HASEGAWA Atsuhiko
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Basic and clinical studies on the immunopathogenesis of viral infection
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批准号:63480093
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财政年份:1988
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负责人:HASEGAWA Atsuhiko
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依托单位:
海外基金