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相关概念视频

B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

16.0K
The adaptive immune response, a sophisticated defense mechanism, relies on the activation and differentiation of B lymphocytes, or B cells. These processes enable our bodies to mount a tailored response against specific pathogens such as bacteria, free virus particles, toxins, and parasites.
When naive B cells encounter a specific antigen that can bind to the B cell receptor (BCR) on their surface, they undergo sensitization to respond to the antigen's presence. Sensitization begins with...
16.0K
T Cell Activation and Clonal Selection01:22

T Cell Activation and Clonal Selection

14.7K
T cells are integral to our adaptive immune system, recognizing and effectively responding to foreign antigens. T cell activation and clonal selection are pivotal in orchestrating this immune response. This article elucidates these mechanisms, detailing the roles of cluster of differentiation (CD) markers, major histocompatibility complex (MHC) molecules, costimulatory signals, and the process of clonal selection.
Naive T cells that have not yet encountered an antigen express two primary CD...
14.7K
Diversity of Antigen Receptors01:28

Diversity of Antigen Receptors

1.4K
Antigen receptors are essential components of the immune system crucial in defending the body against foreign invaders. These receptors are present on the surface of B and T cells, enabling them to recognize antigens and mount an appropriate immune response.
Before encountering any antigen, lymphocytes express these receptors. On B cells, the antigen receptor is a membrane-bound antibody molecule called BCR; on T cells, it is a T cell receptor or TCR. B and T cell receptors are composed of two...
1.4K
Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

8.5K
The T and B lymphocytes of the adaptive immune system develop from common lymphoid progenitor cells in the bone marrow. These progenitors give rise to precursors that eventually develop into both T and B lymphocytes. As these precursors mature, they gain the ability to detect and respond to foreign antigens in the body, a process known as immunocompetence. Additionally, these precursors acquire self-tolerance, a process that ensures they do not react to self-antigens. This intricate system...
8.5K
Special Features of Adaptive Immunity01:20

Special Features of Adaptive Immunity

2.9K
The adaptive immune system, a crucial component of the overall immune response, offers a highly specialized defense against pathogens. It involves specific cell types and features, enabling it to combat infections effectively and efficiently.
The primary cell types involved in adaptive immunity are T cells and B cells. Each type has a unique role in defending the body against pathogens. T cells are responsible for cell-mediated immunity. They identify and eliminate infected cells directly,...
2.9K

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相关实验视频

Updated: Jan 15, 2026

In Vitro Differentiation Model of Human Normal Memory B Cells to Long-lived Plasma Cells
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B-EPIC:一种基于变压器的语言模型,用于解码B细胞免疫主导模式.

Jun-Ze Liang1, Youtao Wang1, Cong Sun1

  • 1Department of Experimental Research, State Key Laboratory of Oncology in South China, Guangdong Provincial Clinical Research Center for Cancer, Sun Yat-sen University Cancer Center, Guangzhou, 510060, China.

Advanced science (Weinheim, Baden-Wurttemberg, Germany)
|October 7, 2025
PubMed
概括
此摘要是机器生成的。

一个新的AI工具B-Epic准确地预测B细胞表位 (BCEs) 用于疫苗开发. 这一进步有助于通过识别有希望的标来制造有效的针对传染病和癌症的疫苗.

关键词:
预测B细胞表位预测免疫诊断的设计病原体 预防 预防 病原体变压器的变压器是一个变压器.疫苗的研发,疫苗的开发

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科学领域:

  • 计算生物学是一种计算生物学.
  • 免疫信息学是指免疫信息学.
  • 医学中的人工智能

背景情况:

  • 疫苗开发面临挑战,原因是B细胞表位 (BCE) 预测效率低下.
  • 准确的BCE识别对于有效的疫苗设计和疾病预防至关重要.

研究的目的:

  • 介绍B-Epic,一个基于变压器的新型管道,用于准确的BCE预测.
  • 验证B-Epic的性能与现有工具相比,并证明其在疾病预防中的实用性.

主要方法:

  • 开发B-Epic,一个利用变压器架构进行BCE预测的管道.
  • 使用各种数据集进行验证,包括临床批准的疫苗标和大型类图书馆.
  • 应用B-Epic来识别Helicobacter pylori的潜在疫苗标和Epstein-Barr病毒的免疫诊断标记物.

主要成果:

  • 在预测BCE和免疫反应方面,B-Epic实现了0.882和0.945的高AUC,超过了其他工具.
  • 从Helicobacter pylori激活的B细胞中选,表明潜在的疫苗候选人.
  • 在爱斯坦-巴尔病毒中确定了泛免疫性,在癌症患者中显示出更高的反应性,这表明诊断潜力.

结论:

  • B-Epic提供了一种强大而准确的ECB预测方法,大大改进了现有的工具.
  • 该管道有助于发现传染病原体和致癌病原体的新型疫苗点.
  • B-Epic在推进疫苗开发和癌症等疾病的免疫诊断方面表现有前途.