识别转化后修改的MHC I类相关类作为潜在的癌症免疫治疗标
Keira E Mahoney1, Larry Reser2, Maria Virginia Ruiz Cuevas3
1Department of Chemistry, Yale University, New Haven, CT, USA; Department of Chemistry, University of Virginia, Charlottesville, VA, USA.
Molecular & cellular proteomics : MCP
|April 16, 2025
概括
亨特实验室确定了超过2450个与MHC分子结合的修饰,包括新型. 这些发现通过揭示T细胞识别的潜在点,推进了癌症免疫疗法.
科学领域:
- 免疫学 免疫学 免疫学
- 质谱测量质量谱测量
- 癌症研究 癌症研究
背景情况:
- 主体组织相容性复合体 (MHC) 类I通路向细胞毒性T细胞呈现,用于癌症监测.
- 癌细胞表现出异常的信号和失调的酸化,表明改变了MHC呈现的.
- 亨特实验室开创了用于识别MHC结合的质谱技术.
研究的目的:
- 要总结识别修饰的MHC相关的进展.
- 提交由亨特实验室识别的光和其他翻译后修饰 (PTM) 的累积清单.
- 突出这些PTM的潜力,作为癌症免疫治疗的目标.
主要方法:
- 利用基于质谱的技术进行类鉴定.
- 开发和改进了MHC相关的丰富,检测和测序的方法.
- 系统地测序与MHC结合的和其他PTM.
主要成果:
- 确定了第一个由MHC处理途径呈现的类.
- 测序了一份光和其他PTM的累积清单,共计2,450.
- 在多名癌症患者中发现了许多特定疾病的PTM.
结论:
- 已识别的PTM,特别是类,代表了癌症免疫治疗的潜在生物标志物和标.
- 质谱学的进步显著改善了对抗原呈现和PTM失调的理解.
- 共享的PTM清单支持未来免疫疗法和疫苗开发的研究.
更多相关视频
09:32Immunopeptidomics: Isolation of Mouse and Human MHC Class I- and II-Associated Peptides for Mass Spectrometry Analysis
Published on: October 15, 2021
11.3K
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
11.3K
相关概念视频
Targeted Cancer Therapies
7.4K
The targeted cancer therapies, also known as “molecular targeted therapies,” take advantage of the molecular and genetic differences between the cancer cells and the normal cells. It needs a thorough understanding of the cancer cells to develop drugs that can target specific molecular aspects that drive the growth, progression, and spread of cancer cells without affecting the growth and survival of other normal cells in the body.
There are several types of targeted therapies against...
There are several types of targeted therapies against...
7.4K
Tumor Immunotherapy
401
Immunotherapy is a treatment that boosts or manipulates the immune system to fight diseases, including cancer. For instance, by stimulating an immune response through vaccinations against viruses that cause cancers, like hepatitis B virus and human papillomavirus, these diseases can be prevented. Nonetheless, some cancer cells can avoid the immune system due to their rapid mutation and division. The immune response to many cancers involves three phases: elimination, equilibrium, and escape.
401
Antigens Involved in Adaptive Immunity
342
An antigen is any substance the immune system identifies as foreign and potentially harmful to the body, prompting an immune response. Antigens have two functional properties: immunogenicity and reactivity. Immunogenicity is the ability of an antigen to stimulate a specific immune response. At the same time, reactivity describes the antigen's ability to react with the cells and antibodies produced in response to it.
Complete Antigens
Complete antigens possess both immunogenicity and...
Complete Antigens
Complete antigens possess both immunogenicity and...
342
Mitogens and the Cell Cycle
6.3K
Mitogens and their receptors play a crucial role in controlling the progression of the cell cycle. However, the loss of mitogenic control over cell division leads to tumor formation. Therefore, mitogens and mitogen receptors play an important role in cancer research. For instance, the epidermal growth factor (EGF) - a type of mitogen and its transmembrane receptor (EGFR), decides the fate of the cell's proliferation. When EGF binds to EGFR, a member of the ErbB family of tyrosine kinase...
6.3K
