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Related Concept Videos

Immune Response Against Viral Pathogens01:29

Immune Response Against Viral Pathogens

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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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Optimization of a Quantitative Micro-neutralization Assay
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Structural basis for neutralization of enterovirus.

Kuan-Ying A Huang1

  • 1Division of Pediatric Infectious Diseases, Department of Pediatrics, Chang Gung Memorial Hospital, Taoyuan, Taiwan; Research Center for Emerging Viral Infections, College of Medicine, Chang Gung University, Taoyuan, Taiwan; Genomics Research Center, Academia Sinica, Taipei, Taiwan.

Current Opinion in Virology
|November 8, 2021
PubMed
Summary
This summary is machine-generated.

Understanding enterovirus neutralization is key to developing treatments. This review details how antibodies interact with enteroviruses like rhinovirus and enterovirus A71 to block infection, offering insights for new antiviral strategies.

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Area of Science:

  • Virology and Immunology
  • Structural Biology
  • Infectious Diseases

Background:

  • Enteroviral infections cause significant global morbidity and mortality.
  • Current therapeutic options, including vaccines and antiviral drugs, are limited for many enteroviruses.
  • Antibody-mediated immunity is essential for controlling enteroviral diseases.

Purpose of the Study:

  • To review recent advances in understanding enterovirus neutralization mechanisms.
  • To focus on prevalent enteroviruses such as rhinovirus, enterovirus A71, coxsackievirus, and echovirus.
  • To provide a structural basis for virus-antibody interactions and neutralization.

Main Methods:

  • Analysis of viral structures and virus-antibody interactions at the amino acid level.
  • Mapping of neutralizing epitopes on the enterovirus capsid.
  • Review of studies on virus-receptor interactions and uncoating mechanisms.

Main Results:

  • Neutralizing epitopes are located on specific regions of the enterovirus capsid, including the canyon rims and plateaus.
  • Understanding virus-receptor binding and structural changes during uncoating provides insights into neutralization.
  • Structural studies reveal key sites for antibody binding and virus inactivation.

Conclusions:

  • Structural insights into virus-neutralizing antibody interactions are crucial for developing effective antiviral therapies.
  • Further research into virus-receptor complexes and uncoating mechanisms can reveal new targets for intervention.
  • Targeting specific epitopes on the viral capsid offers a promising strategy for enterovirus control.