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Related Concept Videos

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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Retroviruses

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Retroviruses and retrotransposons both insert copies of their genetic elements into the genome of the host cell. Thus, the viral genes are passed on when the host genome is replicated or translated. A typical retroviral DNA sequence contains 3-4 genes that encode the different proteins required for its structural assembly and function as a molecular parasite. This DNA is transcribed into a single mRNA, which is very similar in structure to conventional mRNAs, i.e., it is capped at the 5’...
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Sexually Transmitted Infections01:26

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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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Inhibitors of Viral Protein Synthesis01:30

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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 Administration and Therapy Phases: Overview01:26

Drug Administration and Therapy Phases: Overview

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Drugs, the chemical agents used in diagnosing, treating, or preventing diseases, undergo a four-phase process of development: pharmaceutic, pharmacokinetics, pharmacodynamics, and therapeutic.
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Therapeutic Drug Monitoring: Affecting Factors01:29

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Therapeutic Drug Monitoring (TDM) is the clinical practice of measuring specific drug levels in a patient's blood or body tissues to manage and optimize therapy. TDM is crucial for drugs with narrow therapeutic windows, like warfarin and phenytoin, where incorrect doses can lead to treatment failure or severe side effects. This monitoring ensures the dosage administered is within a safe and effective range. The factors affecting therapeutic drug monitoring include:Patient-Specific Factors:a.
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Related Experiment Video

Updated: May 4, 2026

Rapid Screening of HIV Reverse Transcriptase and Integrase Inhibitors
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[When to start antiretroviral therapy].

Luigia Elzi1, Manuel Battegay1

  • 1Klinik für Infektiologie und Spitalhygiene, Universitätsspital Basel.

Therapeutische Umschau. Revue Therapeutique
|January 8, 2014
PubMed
Summary

Combination antiretroviral therapy (cART) significantly improves HIV prognosis, nearing normal life expectancy. Patient education and preparation are crucial for optimizing lifelong treatment adherence and efficacy.

Area of Science:

  • Infectious Diseases
  • Pharmacology
  • Public Health

Context:

  • Combination antiretroviral therapy (cART) has transformed HIV/AIDS management, leading to near-normal life expectancy for many patients.
  • Factors like drug resistance, adherence, comorbidities, and drug interactions can impact cART effectiveness.
  • A trend towards earlier cART initiation is observed due to improved drug tolerability.

Purpose:

  • To highlight the critical role of patient preparation and education in optimizing adherence to lifelong cART.
  • To underscore the importance of addressing factors that influence cART efficacy for improved patient outcomes.

Summary:

  • cART has dramatically improved the prognosis for individuals with HIV, enabling a near-normal life expectancy.
  • Treatment efficacy can be influenced by transmitted drug resistance, patient adherence, comorbidities, and drug interactions.

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Last Updated: May 4, 2026

Rapid Screening of HIV Reverse Transcriptase and Integrase Inhibitors
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  • Lifelong cART necessitates thorough patient preparation and education to ensure optimal adherence and treatment success.

    • Impact:

    • Improved patient adherence and understanding of lifelong cART regimens.
    • Enhanced management of HIV infection through optimized treatment strategies.
    • Potential for better long-term health outcomes and quality of life for HIV-infected individuals.