Video Experimental Relacionado
Updated: Aug 4, 2026

09:47
Generation of Human Alloantigen-specific T Cells from Peripheral Blood
Published on: November 21, 2014
Correlaciones entre la especificidad de las células T y la estructura del receptor de antígenos
Nature
|May 15, 1986
Resumen
Este estudio presenta secuencias de aminoácidos para los receptores de células T murinas, revelando cómo los mecanismos de diversidad como la diversidad en las uniones influyen en la especificidad de las células T.
Área de la Ciencia:
- Inmunología Inmunología.
- Biología Molecular Biología Molecular
- Genética La genética.
Sus antecedentes:
- Los receptores de células T (TCR) son cruciales para la inmunidad adaptativa.
- Comprender la diversidad de TCR es clave para descifrar las respuestas inmunes.
Objetivo del estudio:
- Para analizar las secuencias de aminoácidos de los receptores de antígenos heterodiméricos de los clones de células T murinas.
- Investigar los mecanismos que contribuyen a la diversidad y especificidad de los receptores de células T.
Principales métodos:
- Secuenciación de aminoácidos de los receptores de células T.
- Análisis comparativo de las secuencias de receptores.
Principales resultados:
- Secuencias derivadas de aminoácidos para receptores de antígenos heterodiméricos.
- Identificó la diversidad de enlace, la unión combinatoria y las asociaciones de cadena combinatoria como mecanismos clave de diversidad.
Conclusiones:
- Múltiples mecanismos contribuyen a la diversidad de los receptores de las células T.
- Estos mecanismos de diversidad tienen un impacto significativo en la especificidad de las células T.
Más Videos Relacionados
Videos de Conceptos Relacionados
Antibody Structure
Overview
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...
Cross-reactivity
Overview
Antibody Structure
Overview
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...
Antibodies, also known as immunoglobulins (Ig), are essential players of the adaptive immune system. These antigen-binding proteins are produced by B cells and make up 20 percent of the total blood plasma by weight. In mammals, antibodies fall into five different classes, which each elicits a different biological response upon antigen binding.
The Y-Shaped Structure of Antibodies Consists of Four Polypeptide Chains
Antibodies consist of four polypeptide chains: two identical heavy...
Special Features of Adaptive Immunity
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,...
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,...
Diversity of Antigen Receptors
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...
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...
T Cell Activation and Clonal Selection
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...
Naive T cells that have not yet encountered an antigen express two primary CD...

