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Related Concept Videos

Cell-mediated Immune Responses01:40

Cell-mediated Immune Responses

Overview
T Cell Types and Functions01:24

T Cell Types and Functions

When T cells with CD4 markers are activated, they give rise to two types of effector cells: helper T cells and regulatory T cells. Meanwhile, T cells with CD8 markers differentiate into effector cytotoxic T cells. The differentiation of CD4 T cells into helper T cell subsets, such as Th1, Th2, and Th17 cells, is dependent on the antigen type, antigen-presenting cell, and regulatory cytokines.
Th1 cells stimulate dendritic cells to express necessary co-stimulatory molecules on their surfaces for...
Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

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...
B Cell Activation and Differentiation01:24

B Cell Activation and Differentiation

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...
T Cell Activation and Clonal Selection01:22

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...
Antigen Presenting Cells01:22

Antigen Presenting Cells

The immune system is a complex network of cells and molecules that protects the body from foreign invaders. T cells, a type of white blood cell, play a crucial role in this process. They recognize and attack foreign substances, such as pathogens, that enter the body.
T cells require the help of antigen-presenting cells (APCs), which process foreign antigens into smaller fragments that can be recognized by T cells. These APCs are highly specialized cells that efficiently internalize antigens...

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Related Experiment Video

Updated: Jun 13, 2026

Isolation And Dendritic Cell-Uptake of Small Extracellular Vesicles from Echinococcus granulosus
09:04

Isolation And Dendritic Cell-Uptake of Small Extracellular Vesicles from Echinococcus granulosus

Published on: March 28, 2025

[Dendritic cell function in response to schistosome infection].

Xiao-hong Li1, Lin-hua Tang, Jian-ping Cao

  • 1National Institute of Parasitic Diseases, Chinese Center for Disease Control and Prevention, Laboratory of Parasite and Vector Biology, MOH, WHO Collaborating Centre for Malaria, Schistosomiasis and Filariasis, Shanghai 200025, China.

Zhongguo Ji Sheng Chong Xue Yu Ji Sheng Chong Bing Za Zhi = Chinese Journal of Parasitology & Parasitic Diseases
|April 24, 2010
PubMed
Summary

Dendritic cells (DCs) bridge innate and adaptive immunity by acquiring and presenting antigens. Research in schistosomiasis reveals unique DC activation, offering insights into parasite immunity and immune system therapies.

Related Experiment Videos

Last Updated: Jun 13, 2026

Isolation And Dendritic Cell-Uptake of Small Extracellular Vesicles from Echinococcus granulosus
09:04

Isolation And Dendritic Cell-Uptake of Small Extracellular Vesicles from Echinococcus granulosus

Published on: March 28, 2025

Area of Science:

  • Immunology
  • Cell Biology

Context:

  • Dendritic cells (DCs) are crucial immune cells linking innate and adaptive immunity.
  • Recent advancements have significantly improved our understanding of DC biology and function.
  • The study focuses on the unique DC phenotype observed in schistosomiasis infections.

Purpose:

  • To explore the distinct dendritic cell phenotype in schistosomiasis.
  • To elucidate the interaction between schistosomes and dendritic cells.
  • To address fundamental questions in DC biology and immunity to multicellular parasites.

Summary:

  • Dendritic cells (DCs) play a specialized role in antigen acquisition and presentation, connecting innate and adaptive immunity.
  • Studies on schistosomiasis indicate that DCs exhibit a distinct activation phenotype compared to conventional activation.
  • Understanding this interaction is key to comprehending immunity against multicellular parasites like schistosomes.

Impact:

  • Provides fundamental insights into dendritic cell biology and immune responses to multicellular parasites.
  • Opens avenues for therapeutic strategies involving immune system manipulation in parasitic infections.
  • Enhances understanding of host-parasite interactions and immune evasion mechanisms.