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Introduction to Innate and Adaptive Immunity01:21

Introduction to Innate and Adaptive Immunity

12.7K
The human immune system is a complex defense mechanism that protects the body from harmful pathogens and foreign substances. It comprises two crucial components: innate and adaptive immunity.
Innate immunity is the body's natural, nonspecific defense system that acts quickly to protect against pathogens. It incorporates physical barriers like skin and mucous membranes and cellular elements such as phagocytes and natural killer cells. This part of our immune system provides an immediate,...
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What is the Immune System?01:38

What is the Immune System?

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Overview
148.8K
Introduction to Lymphatic and Immune System01:23

Introduction to Lymphatic and Immune System

19.6K
Immunity is a crucial biological concept about our body's inherent capacity to prevent infections and diseases. A complex network of cells and tissues collectively known as the immune system facilitates this natural defense mechanism. The immune system plays an integral role in maintaining our health and well-being, shielding us from potential health threats.
The immune responses can be categorized into two types: innate and adaptive. Innate immunity comprises nonspecific defenses we are born...
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Cells of the Adaptive Immune Response01:23

Cells of the Adaptive Immune Response

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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...
10.1K
B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

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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...
18.5K
Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

2.6K
The immune system's response to viral infections is a complex and coordinated process involving natural killer (NK) cells, T cell-mediated responses, and antibody-mediated responses.
NK Cells
NK cells are a crucial part of our innate immune system, acting as the first line of defense against viral infections. These cells can recognize and kill infected cells without prior exposure to the virus, effectively slowing down the spread of infection. Additionally, NK cells produce proinflammatory...
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Video Experimental Relacionado

Updated: Apr 7, 2026

Microfluidic Co-Culture Models for Dissecting the Immune Response in in vitro Tumor Microenvironments
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Microfluidic Co-Culture Models for Dissecting the Immune Response in in vitro Tumor Microenvironments

Published on: April 30, 2021

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Inmunología. Un marco de referencia interactivo para modelar un sistema inmune dinámico.

Matthew H Spitzer1, Pier Federico Gherardini2, Gabriela K Fragiadakis2

  • 1Baxter Laboratory in Stem Cell Biology, Department of Microbiology and Immunology, Stanford University, Stanford, CA 94305, USA. Department of Pathology, Stanford University, Stanford, CA 94305, USA. Program in Immunology, Stanford University, Stanford, CA 94305, USA. gnolan@stanford.edu matthew.spitzer@stanford.edu.

Science (New York, N.Y.)
|July 11, 2015
PubMed
Resumen
Este resumen es generado por máquina.

Los investigadores crearon un nuevo mapa de referencia inmune utilizando métodos gráficos y datos de citometría de masa. Este mapa ayuda a visualizar la organización de las células inmunes e identificar las desviaciones causadas por la genética, el medio ambiente o la enfermedad.

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An Endothelial Planar Cell Model for Imaging Immunological Synapse Dynamics
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An Endothelial Planar Cell Model for Imaging Immunological Synapse Dynamics

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Identification of Mouse and Human Antibody Repertoires by Next-Generation Sequencing
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Identification of Mouse and Human Antibody Repertoires by Next-Generation Sequencing

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Área de la Ciencia:

  • Inmunología Inmunología.
  • La bioinformática es la bioinformática.
  • Biología de Sistemas Biología de Sistemas.

Sus antecedentes:

  • La función de las células inmunes es una jerarquía compleja influenciada por factores genéticos y ambientales.
  • Comprender la organización del sistema inmunológico es crucial para diagnosticar y tratar enfermedades.

Objetivo del estudio:

  • Desarrollar un enfoque gráfico para la creación de un mapa de referencia inmune extensible.
  • Para visualizar y comparar poblaciones de células inmunes en diferentes muestras y condiciones.

Principales métodos:

  • Se utilizaron datos de citometría de masa de varios órganos para construir el mapa de referencia inmune.
  • Populaciones celulares de referencia incorporadas como banderas para el análisis comparativo.
  • Desarrolló enfoques gráficos para la visualización e integración de datos.

Principales resultados:

  • El mapa inmune recapituló con éxito los fenotipos celulares conocidos.
  • Se identificaron desviaciones reproducibles y específicas del tejido en la organización de las células inmunes.
  • Reveló el impacto de la variación genética y los ritmos circadianos en la estructura inmune.
  • Permitió la comparación directa de fenotipos de células sanguíneas murinas y humanas.
  • Datos de citometría de flujo basados en fluorescencia integrados en el marco de referencia.

Conclusiones:

  • El mapa de referencia inmunológico desarrollado proporciona un marco fundamental para comprender la organización inmunológica sistémica.
  • Este enfoque permite la integración de nuevos datos para identificar desviaciones relacionadas con la genética, el medio ambiente o la patología.
  • El mapa de referencia sirve como una herramienta valiosa para la inmunología comparativa y la investigación de enfermedades.