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Multiple Allele Traits01:49

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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...
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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...
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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.
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Human blood is classified into different types based on the presence of antigens on the red blood cell's surface and antibodies in the plasma. Proper identification of blood type is essential for successful blood transfusion. The International Society of Blood Transfusion has identified 38 human blood types based on the surface antigens on the red blood cells. The most common types are ABO, Rh, and MNS blood types.
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HLA matching in contemporary haematopoietic cell transplantation: Recommendations from the EBMT Practice Harmonisation and Guidelines Committee.

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Landscapes of HLA Mismatching in Contemporary Unrelated Haematopoietic Cell Transplantation.

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Personalized Peptide Arrays for Detection of HLA Alloantibodies in Organ Transplantation
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差异性性活性:从单一的HLA位置学到的经验教训

Esteban Arrieta-Bolaños1

  • 1Institute for Experimental Cellular Therapy, University Hospital Essen, Essen, Germany.

HLA
|December 9, 2025
PubMed
概括

由人类白细胞抗原 (HLA) 分子变异驱动的差异性基活性会影响移植结果. 了解HLA-DP免疫性揭示了T细胞反应和移植成功的洞察力.

科学领域:

  • 免疫学 免疫学 免疫学
  • 移植科学 移植科学
  • 遗传学 遗传学 是一个

背景情况:

  • 性活性是T细胞对外来细胞/组织的识别,在移植中至关重要.
  • 人类白细胞抗原 (HLA) 分子是全反应反应的关键驱动因素.
  • HLA免疫原性的变化,称为差异性全活性,影响临床结果.

研究的目的:

  • 审查差异性全活性免疫生物学,专注于HLA-DP.
  • 探索HLA特征如何影响T细胞识别和移植后果.

主要方法:

  • 对最近关于HLA-DP全活性研究的综述.
  • 免疫组重叠的分析和HLA-DM/HLA-DO的陪伴角色.
  • 考虑间接的胸膜教育效应.

主要成果:

  • HLA-DP类型表现出独特的基因组,结构和种群遗传学.
  • 免疫组重叠和HLA-DM/HLA-DO编辑显著影响HLA免疫性.
  • 这些机制可能扩展到其他HLA位点,影响全反应.

结论:

  • HLA分子的功能特征关键地决定了T细胞的全基因识别.
关键词:
在HLA-DP允许的不匹配的情况下,HLA-DP允许的不匹配.的T细胞表位.在T细胞受体中,T细胞受体抗原呈现的呈现方式.血造细胞移植 血造细胞移植免疫生物学的免疫生物学免疫遗传学 免疫遗传学免疫皮组 (immunopeptidome) 是一个免疫皮组.主要的组织相容性复杂.胺结合基因的图案.

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  • 了解差异性基活性为移植疗效和患者结果提供了洞察力.