Related Experiment Video
Updated: May 18, 2026
10:29
Quantitative Structure-Activity Relationship, Activity Prediction, and Molecular Dynamics of Non-nucleotide Reverse Transcriptase Inhibitors
Published on: May 9, 2025
Substance abuse, HIV-1 and hepatitis
Nirzari Parikh1, Michael R Nonnemacher, Vanessa Pirrone
1Department of Microbiology and Immunology, Drexel University College of Medicine, Philadelphia, PA 19102, USA.
Current HIV Research
|September 15, 2012
Summary
Substance abuse and coinfection with hepatitis B or C viruses significantly impact human immunodeficiency virus type 1 (HIV-1) disease progression. This review examines how these factors affect viral pathogenesis and immune response in the peripheral blood, bone marrow, and brain.
Area of Science:
- Virology
- Immunology
- Public Health
Background:
- Human immunodeficiency virus type 1 (HIV-1) establishes latent reservoirs, evading immune responses.
- HIV-1, Hepatitis B (HBV), and Hepatitis C (HCV) share transmission routes, leading to common coinfections.
- Substance abuse is a major risk factor for HIV-1, HBV, and HCV exposure and disease.
Purpose of the Study:
- To review the impact of substance abuse and HBV/HCV coinfection on HIV-1 pathogenesis.
- To analyze the effects on viral disease progression and immune response in key tissues.
- To explore the influence of HIV-1 and substance abuse on hepatitis virus-induced disease.
Main Methods:
- Literature review focusing on viral pathogenesis and coinfection.
- Analysis of studies examining peripheral blood, bone marrow, and brain involvement.
- Synthesis of data on immune response and disease progression in coinfected individuals.
Main Results:
- HIV-1 accelerates liver disease progression in HBV/HCV coinfection, leading to cirrhosis.
- Coinfection with HBV/HCV and HIV-1 increases mortality risk.
- Substance abuse exacerbates the complex interplay between HIV-1, HBV/HCV, and immune function.
Conclusions:
- Substance abuse and HBV/HCV coinfection significantly complicate HIV-1 disease management.
- Understanding these interactions is crucial for effective therapeutic strategies.
- Further research is needed to address the multifaceted challenges posed by these coinfections and substance abuse.
Related Concept Videos
01:29Pulmonary Tuberculosis I
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.
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
Causative Organism
The primary infectious agent causing tuberculosis is Mycobacterium tuberculosis, a slow-growing, acid-fast, aerobic rod that exhibits sensitivity to heat and ultraviolet light. Instances of Mycobacterium bovis and Mycobacterium avium contributing to the development of TB infection are rare.
Mode of...
01:25Hepatitis
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. The...
01:26Sexually 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...
01:28Viral Hepatitis I: Introduction
Viral hepatitis is an inflammatory condition of the liver caused by infection with hepatotropic viruses, most commonly hepatitis A, B, C, D, and E. Despite variations in structure and transmission, all viruses mentioned infect hepatocytes and provoke immune responses that can hinder liver function. Additionally, some non-hepatotropic viruses can also lead to hepatic inflammation.Hepatitis A VirusHepatitis A virus (HAV) is transmitted through the fecal–oral route, typically by ingestion of food...
01:10Retrovirus 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...
01:25Immunodeficiency 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...
There are three main causes of immunodeficiency disorders...