克隆基因编码MHCII类受限制抗原:突变的CDC27作为瘤抗原
1Surgery Branch, National Cancer Institute, National Institutes of Health, Building 10/2B42, 9000 Rockville Pike, Bethesda, MD 20892, USA. rongfu@pop.nci.nih.gov
概括
研究人员使用一种新的查方法确定了CD4 (((+) T细胞的瘤抗原. 这种方法成功地发现了突变的CDC27和三酸盐异构酶作为癌症抗原,为新的癌症和自身免疫性疾病治疗铺平了道路.
科学领域:
- 免疫学 免疫学 免疫学
- 在瘤学瘤学.
- 分子生物学分子生物学
背景情况:
- 识别瘤特异性抗原对于开发有效的免疫疗法至关重要.
- 大型组织相容性复合体 (MHC) II类通路在向CD4的T细胞呈现抗原方面发挥着关键作用.
研究的目的:
- 开发和应用一种查方法来识别由CD4 ((+) T细胞识别的瘤抗原.
- 为了发现潜在的癌症治疗策略的新瘤抗原.
主要方法:
- 使用了一种表达MHCII类途径组件的基因工程细胞系.
- 进行了对一个不变链互补DNA融合库的选.
- 生物化学分离方法被用来识别抗原.
主要成果:
- 人类CDC27的一个突变形式被确定为HLA-DR4受限黑色素瘤抗原.
- 一种突变的三酸异相酶被确定为一种HLA-DR1受限抗原.
- 开发的方法证明了对CD4 ((+) T细胞抗原发现的一般适用性.
结论:
- 这种新的查方法对于识别瘤特异性抗原是有效的.
- 已识别的抗原,如突变的CDC27和三酸盐异构酶,为癌症免疫治疗提供了潜在的标.
- 这种方法可以推进癌症,自身免疫和传染病的治疗策略.
更多相关视频
09:53Using X-ray Crystallography, Biophysics, and Functional Assays to Determine the Mechanisms Governing T-cell Receptor Recognition of Cancer Antigens
Published on: February 6, 2017
10:13Tailoring In Vivo Cytotoxicity Assays to Study Immunodominance in Tumor-specific CD8+ T Cell Responses
Published on: May 6, 2019
相关概念视频
Cancer-Critical Genes II: Tumor Suppressor Genes
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
Cancer-Critical Genes II: Tumor Suppressor Genes
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
