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Related Concept Videos

Immunodeficiency Diseases01:25

Immunodeficiency Diseases

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 disorders...
Retrovirus Life Cycles01:10

Retrovirus Life Cycles

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 retrovirus to...
Sexually Transmitted Infections01:26

Sexually Transmitted Infections

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...
Viral Mutations00:36

Viral Mutations

A mutation is a change in the sequence of bases of DNA or RNA in a genome. Some mutations occur during replication of the genome due to errors made by the polymerase enzymes that replicate DNA or RNA. Unlike DNA polymerase, RNA polymerase is prone to errors because it is not capable of “proofreading” its work. Viruses with RNA-based genomes, like HIV, therefore accrue mutations faster than viruses with DNA-based genomes. Because mutation and recombination provide the raw material for adaptive...

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Related Experiment Video

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Quantitative Structure-Activity Relationship, Activity Prediction, and Molecular Dynamics of Non-nucleotide Reverse Transcriptase Inhibitors
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Quantitative Structure-Activity Relationship, Activity Prediction, and Molecular Dynamics of Non-nucleotide Reverse Transcriptase Inhibitors

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Drug-resistant human immunodefiency virus.

M J Kozal1

  • 1Department of Medicine, Section of Infectious Diseases, Yale University, School of Medicine and Veterans Affairs Connecticut Health Care Systems, New Haven, CT, USA. michael.kozal@yale.edu

Clinical Microbiology and Infection : the Official Publication of the European Society of Clinical Microbiology and Infectious Diseases
|February 18, 2009
PubMed
Summary

Human immunodeficiency virus (HIV) drug resistance reduces treatment effectiveness and increases mortality. New detection methods and therapies are crucial for combating resistant HIV strains.

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Last Updated: Jun 25, 2026

Quantitative Structure-Activity Relationship, Activity Prediction, and Molecular Dynamics of Non-nucleotide Reverse Transcriptase Inhibitors
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Published on: May 9, 2025

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Area of Science:

  • Virology
  • Infectious Diseases
  • Pharmacology

Background:

  • Antiretroviral therapy (ART) has significantly reduced HIV-related mortality.
  • HIV drug resistance is an emerging public health concern, impacting treatment efficacy.
  • Current resistance assays have limitations in detecting low-frequency resistant variants.

Purpose of the Study:

  • To review the epidemiology and biological mechanisms of HIV drug resistance.
  • To discuss challenges in current HIV drug resistance detection.
  • To explore novel therapeutic strategies for multidrug-resistant HIV.

Main Methods:

  • Literature review of HIV drug resistance.
  • Analysis of current diagnostic limitations for resistance detection.
  • Examination of emerging antiretroviral drug classes and mechanisms.

Main Results:

  • HIV drug resistance is prevalent and can lead to therapy failure.
  • Low-frequency resistant variants (1%) are clinically significant but often undetected.
  • New antiretroviral drugs offer potential for treating multidrug-resistant HIV.

Conclusions:

  • Combating HIV drug resistance requires improved detection methods and innovative therapies.
  • Understanding resistance mechanisms is key to developing effective treatment strategies.
  • Continued research into novel antiretrovirals is essential for managing multidrug-resistant HIV.