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Related Concept Videos

Hepatitis01:25

Hepatitis

55
Hepatitis is an inflammatory condition of the liver most commonly caused by hepatotropic viruses (A–E), though non-infectious causes such as alcohol and drugs also exist.Hepatitis AHepatitis A virus (HAV) is a non-enveloped RNA virus of the Picornaviridae family. It is primarily transmitted via the fecal-oral route, typically through ingestion of contaminated food or water. After ingestion, HAV enters the bloodstream through the oropharynx or intestinal epithelium and reaches the liver.
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Retrovirus Life Cycles01:10

Retrovirus Life Cycles

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Retroviruses have a single-stranded RNA genome that undergoes a special form of replication. Once the retrovirus has entered the host cell, an enzyme called reverse transcriptase synthesizes double-stranded DNA from the retroviral RNA genome. This DNA copy of the genome is then integrated into the host’s genome inside the nucleus via an enzyme called integrase. Consequently, the retroviral genome is transcribed into RNA whenever the host’s genome is transcribed, allowing the...
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Cystic Fibrosis: Management01:24

Cystic Fibrosis: Management

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Cystic fibrosis (CF) is an autosomal recessive disorder that predominantly affects individuals of Northern European descent, occurring at a rate of 1 in 3500. It is caused by a genetic mutation in a gene on chromosome 7, most commonly the ΔF508 mutation, that codes for the cystic fibrosis transmembrane conductance regulator (CFTR) protein. This results in thicker mucus secretions and obstruction pathologies in multiple organs, including the lungs and sinuses.
Sinus disease and chronic...
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Inhibitors of Viral Protein Synthesis01:30

Inhibitors of Viral Protein Synthesis

34
Protein synthesis is indispensable for viral replication, as viruses lack the cellular machinery required for this process and must hijack the host's translational apparatus. In response, host cells deploy a critical innate immune defense involving interferons, specialized cytokines that play a central role in inhibiting viral propagation.Upon viral detection, infected cells release interferons that bind to receptors on adjacent uninfected cells, activating the JAK-STAT signaling pathway and...
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Drug Therapy01:28

Drug Therapy

414
The advent of drug therapy has profoundly shaped modern mental health care, providing targeted treatments for a range of psychological disorders. Psychotherapeutic drugs, classified into antianxiety, antidepressant, and antipsychotic medications, address symptoms across anxiety disorders, mood disorders, and schizophrenia. While these medications have transformed patient outcomes, they require careful management due to their potential side effects and limitations.
Antianxiety Medications
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Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy01:16

Treating Helicobacter pylori in Peptic Ulcers: Antimicrobial Therapy

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Helicobacter pylori, a resilient gram-negative bacterium, can thrive in the stomach's harsh, acidic environment. Infection with H. pylori leads to a cascade of events within the stomach lining. One of the critical disruptions caused by this bacterium is the interference with somatostatin production, a hormone responsible for regulating acid secretion. This interference tips the balance, escalating acid secretion and diminishing bicarbonate levels. This imbalance compromises the defensive...
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Related Experiment Video

Updated: Apr 10, 2026

A Competent Hepatocyte Model Examining Hepatitis B Virus Entry through Sodium Taurocholate Cotransporting Polypeptide as a Therapeutic Target
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[Hepatitis C: current therapy].

Darius Moradpour, Beat Müllhaupt

    Revue Medicale Suisse
    |June 16, 2015
    PubMed
    Summary
    This summary is machine-generated.

    Directly acting antivirals (DAA) are revolutionizing chronic hepatitis C treatment. These oral therapies offer high efficacy and good tolerance, with a focus on DAAs approved in Switzerland.

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    Area of Science:

    • Hepatology
    • Virology
    • Pharmacology

    Context:

    • Chronic hepatitis C virus (HCV) infection management.
    • Emergence of novel antiviral agents.
    • Need for updated treatment guidelines.

    Purpose:

    • To review current chronic hepatitis C therapies.
    • To focus on directly acting antivirals (DAA) approved in Switzerland.
    • To highlight advancements in HCV treatment.

    Summary:

    • Directly acting antivirals (DAA), including protease, NS5A, and polymerase inhibitors, are transforming HCV treatment.
    • Interferon-free oral DAA combinations demonstrate high efficacy and favorable tolerance.
    • This review details current HCV therapy, emphasizing Swiss-approved DAAs.

    Impact:

    • Provides an overview of advanced HCV treatment options.
    • Informs clinicians about effective DAA therapies available in Switzerland.
    • Contributes to improved patient outcomes in chronic hepatitis C management.