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Retroviruses are RNA viruses that have been shown to cause cancers in diverse species, including chickens, mice, cats, and monkeys. The RNA genomes of these viruses are first reverse-transcribed into single and then double-stranded DNA (dsDNA) copies. This dsDNA called proviral DNA then integrates into the host genome. Subsequently, the host cell transcribes the proviral DNA in concert with the chromosomal DNA. This leads to the production of viral RNA and proteins that assemble at the host...
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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.
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Related Experiment Video

Updated: Jan 18, 2026

siRNA Electroporation to Modulate Autophagy in Herpes Simplex Virus Type 1-Infected Monocyte-Derived Dendritic Cells
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Emerging interplays between poxviruses and autophagy.

Yongge Li1, Xu Miao2, Rui Jia3

  • 1Department of Genetics and Cell Biology, College of Life Sciences, Nankai University, Tianjin, China.

Frontiers in Cellular and Infection Microbiology
|September 12, 2025
PubMed
Summary
This summary is machine-generated.

Poxviruses interact with cellular autophagy and the endo-lysosomal system, impacting their life cycle. Understanding this interplay can enhance oncolytic poxviruses for cancer therapy.

Keywords:
autophagylysosomemonkeypox virusoncolytic viruspoxvirusvirus-host interaction

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Area of Science:

  • Virology
  • Cell Biology
  • Cancer Therapy

Background:

  • Poxviruses are large DNA viruses replicating in the cytoplasm.
  • Their life cycle involves membrane-related cellular processes.
  • The relationship between poxviruses and autophagy/lysosomes is complex and not fully understood.

Purpose of the Study:

  • To review current findings on the interplay between poxviruses and the autophagy-lysosome system.
  • To explore the potential of poxviruses as oncolytic agents.
  • To highlight strategies for enhancing oncolytic poxvirus efficacy through autophagy modulation.

Main Methods:

  • Literature review of studies on poxviruses, autophagy, and the endo-lysosomal network.
  • Analysis of research on oncolytic poxviruses and therapeutic strategies.
  • Synthesis of findings to understand viral-cellular interactions.

Main Results:

  • Poxviruses engage with autophagy and the endo-lysosomal network.
  • Poxvirus-autophagy interactions are diverse across species, limiting definitive conclusions.
  • Poxviruses show promise as oncolytic viruses, with autophagy modulation enhancing efficacy.

Conclusions:

  • Elucidating the poxvirus-autophagy-lysosome pathway advances virology and cell biology.
  • This knowledge facilitates the engineering of oncolytic poxviruses for cancer treatment.
  • Further research is needed to fully define the bidirectional regulatory relationship.