Research on the mechanism of disease progression of bovine leukemia virus-induced lymphoma in young cattle
牛白血病病毒所致幼牛淋巴瘤病情进展机制的研究
基本信息
- 批准号:24658241
- 负责人:
- 金额:$ 2.58万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Challenging Exploratory Research
- 财政年份:2012
- 资助国家:日本
- 起止时间:2012-04-01 至 2014-03-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The bovine leukemia virus (BLV) causes malignant B-cell lymphoma after a long latent period. A growing number of cases of the lymphoma in young cattle have been reported in recent years. However, many aspects of the BLV-induced lymphoma are still poorly understood. In this study, it was observed that IgM high expressing-B cells were increased in number in blood from BLV-infected cattle, and were prone to express BLV antigens as compared to IgM low expressing-B cells. IgM low expressing-B cells showed higher expression levels of the Tax/Rex mRNA, PD-L1 and some proto oncogenes (e. g. Maf, Jun and Fos). Indeed, IgM low expressing-B cells or IgM nagative B cells were major cell populations in the lymphoma from BLV-infected cattle in clinical cases (n=14), meanwhile IgM high expressing-B cells were very few. These data indicated that IgM low expressing-B cells are superior to evade from immune surveillance system and to become neoplastic clones.
牛白血病病毒(BLV)在长时间潜伏期后会引起恶性B细胞淋巴瘤。近年来,越来越多的幼牛淋巴瘤病例被报道。然而,BLV诱导的淋巴瘤的许多方面仍然知之甚少。本研究观察到BLV感染牛血液中高表达BLV的B细胞数量增加,且比低表达的B细胞更容易表达BLV抗原。低表达的IgM-B细胞中Tax/Rex基因、PD-L1和一些原癌基因(MAF、Jun和Fos)的表达水平较高。在BLV感染的牛淋巴瘤中,临床病例(n=14)以IgM低表达的B细胞或IgM阴性的B细胞为主,高表达的B细胞很少。这些数据表明,IgM低表达的B细胞优于逃避免疫监视系统而成为肿瘤克隆。
项目成果
期刊论文数量(105)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
牛白血病の病態発生機序の解明
阐明牛白血病的发病机制
- DOI:
- 发表时间:2013
- 期刊:
- 影响因子:0
- 作者:Mashima R;Arimura S;Kajikawa S;Oda H;Nakae S;Yamanashi Y.;今内 覚
- 通讯作者:今内 覚
ウシの免疫抑制受容体PD-1に対するモノクローナル抗体の作製および免疫活性化能の検討
牛免疫抑制受体PD-1单克隆抗体的制备及免疫激活能力检测
- DOI:
- 发表时间:2012
- 期刊:
- 影响因子:0
- 作者:池渕良洋;今内覚;岡川朋弘;村田史郎;大橋和 彦
- 通讯作者:大橋和 彦
免疫抑制受容体PD-1のリガンドPD-L2の機能的特徴と臨床応用研究
免疫抑制受体PD-1配体PD-L2的功能特点及临床应用研究
- DOI:
- 发表时间:2013
- 期刊:
- 影响因子:0
- 作者:西森朝美;今内 覚;池渕良洋;岡川朋弘;村田史郎;大橋和彦
- 通讯作者:大橋和彦
Regulation of T cell exhaustion by blockade of PD-L1 and LAG-3 in persistently lymphocytotic cattle infected with bovine leukemia virus
在持续感染牛白血病病毒的淋巴细胞牛中通过阻断 PD-L1 和 LAG-3 来调节 T 细胞耗竭
- DOI:
- 发表时间:2013
- 期刊:
- 影响因子:0
- 作者:Satoru Konnai;Tomohiro Okagawa;Ryoyo Ikebuchi;Shiro Murata;Kazuhiko Ohashi
- 通讯作者:Kazuhiko Ohashi
牛難治性疾病に対する多機能型新規治療法の開発 (招待論文)
牛疑难病多功能治疗新药的研制(特邀论文)
- DOI:
- 发表时间:2012
- 期刊:
- 影响因子:0
- 作者:岡川朋弘;今内 覚;池渕良洋;鈴木紗織;村田史 郎;大橋和彦
- 通讯作者:大橋和彦
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Experimental study for practical application of cross-sectional cancer therapy in companion animals
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$ 2.58万 - 项目类别:
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Analysis of the molecular mechanism for immunosuppression in malignant infectious diseases of livestock and the development of a novel control method
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26252051 - 财政年份:2014
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23248051 - 财政年份:2011
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$ 2.58万 - 项目类别:
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