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CD71: Role in permafrost immunity.

Francesco Chiappelli1,2

  • 1Dental Group of Sherman Oaks, Sherman Oaks, CA 91403, USA.

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|May 7, 2024
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Summary
This summary is machine-generated.

The transferrin receptor (CD71) facilitates viral entry into host cells, including dangerous pathogens like SARS-CoV-2 and influenza. Understanding this non-canonical function is crucial for developing new antiviral interventions against emerging infectious diseases.

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Area of Science:

  • Cell Biology
  • Virology
  • Immunology

Background:

  • Iron transport via transferrin receptor (CD71) is vital for cellular metabolism.
  • CD71's structure enables binding and entry of diverse viruses into host cells.
  • CD71 collaborates with co-receptor CD81 in viral entry processes.

Discussion:

  • CD71 mediates entry for numerous viruses, including Arenaviridae, Hepatitis C virus, Influenza A, Rabies virus, and SARS-CoV-2.
  • Emerging viruses from melting permafrost necessitate understanding CD71's role in infection.
  • Identifying novel interventions beyond soluble CD71 (sCD71) is critical.

Key Insights:

  • CD71 acts as a non-canonical viral entry facilitator.
  • Viral pathogens exploit CD71 for host cell penetration.
  • The association of CD71 with CD81 is key to this viral entry mechanism.

Outlook:

  • Further research into CD71's viral interactions is warranted.
  • Development of targeted interventions to block CD71-mediated viral entry is a priority.
  • Investigating CD71's role in emerging infectious diseases is essential for public health preparedness.