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Related Concept Videos

Immunodeficiency Diseases01:25

Immunodeficiency Diseases

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Immunodeficiency disorders are conditions in which the immune system's ability to fight infectious disease and cancer is compromised or entirely absent. The immune system comprises a complex network of cells, tissues, and organs that work together to protect the body from potentially harmful invaders. When this system is deficient or not functioning properly, it leaves the body susceptible to infections, diseases, or other complications.
There are three main causes of immunodeficiency...
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RNA viruses are categorized into positive-strand, negative-strand, or double-stranded groups based on their genomic structure and replication mechanisms. This classification dictates how they exploit host cellular machinery for protein synthesis and replication. Some RNA viruses also utilize reverse transcription as part of their life cycle, further diversifying their replication strategies.Positive-Strand RNA VirusesPositive-strand RNA viruses have genomes that function directly as messenger...
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DialyzersA hemodialysis (HD) dialyzer is a plastic cartridge containing thousands of parallel hollow fibers, which serve as semipermeable membranes. These fibers are typically made from cellulose-based or other synthetic materials. During HD, blood is pumped into the top of the cartridge and distributed among these fibers. Simultaneously, dialysis fluid, known as dialysate, is introduced into the bottom of the cartridge, bathing the outside of the fibers. Across the semipermeable membrane,...
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Pulmonary Tuberculosis I01:29

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Tuberculosis, often called TB, is a contagious illness primarily caused by Mycobacterium tuberculosis. It mainly affects the lung parenchyma but can also impact other body parts.
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Sexually Transmitted Infections01:26

Sexually Transmitted Infections

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Sexually transmitted infections (STIs) are diseases transmitted primarily through unsafe sexual interactions. Bacteria, viruses, or parasites cause them and can result in severe health complications if untreated.ChlamydiaThe bacterium Chlamydia trachomatis is responsible for the disease Chlamydia, the most common STI in the United States. This peculiar pathogen requires human cells to reproduce, residing intracellularly. The initial infection often goes unnoticed because it typically does not...
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Related Experiment Video

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A Cell Culture Model for Producing High Titer Hepatitis E Virus Stocks
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Infection by Hepatitis Delta Virus.

John M Taylor1

  • 1Fox Chase Cancer Center, Philadelphia, PA 19111, USA.

Viruses
|June 21, 2020
PubMed
Summary

Hepatitis delta virus (HDV) requires hepatitis B virus (HBV) for its replication and release. This review explores natural and experimental methods of HDV assembly and release, offering insights into preventing and treating HDV infections.

Area of Science:

  • Hepatology
  • Virology
  • Molecular Biology

Background:

  • Hepatitis delta virus (HDV) and hepatitis B virus (HBV) are blood-borne viruses causing significant liver disease.
  • HDV coinfection exacerbates liver disease severity in HBV-infected individuals.
  • HDV replication is intrinsically linked to HBV for viral particle assembly and release.

Purpose of the Study:

  • To review the diverse mechanisms of HDV particle assembly and release.
  • To explore both natural and experimentally induced pathways for HDV propagation.
  • To highlight the implications of understanding HDV assembly for therapeutic and preventive strategies.

Main Methods:

  • Literature review of existing studies on HDV and HBV replication.
  • Analysis of experimental data on viral assembly and release mechanisms.
Keywords:
coinfectionenvelope proteinshepatitis B virushepatitis delta virusmonoinfectionpseudotypessuperinfection

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  • Comparative analysis of natural and artificial HDV propagation methods.

    • Main Results:

    • HDV relies on HBV envelope proteins for its own particle formation and egress.
    • Various natural and experimental strategies facilitate HDV assembly and release.
    • Understanding these mechanisms is crucial for developing targeted interventions.

    Conclusions:

    • The dependency of HDV on HBV highlights a unique viral interaction.
    • Knowledge of HDV assembly pathways provides avenues for novel antiviral therapies.
    • Further research into HDV assembly may shed light on its evolutionary origins.