Related Experiment Video
Updated: Jun 25, 2025

06:46
Isolation of Exosomes from the Plasma of HIV-1 Positive Individuals
Published on: January 5, 2016
17.4K
Chronic HIV Transcription, Translation, and Persistent Inflammation
Jonathan M Kilroy1, Andrew A Leal1, Andrew J Henderson1,2
1Department of Virology, Immunology, Microbiology, Boston University Chobanian and Avedisian School of Medicine, Boston, MA 02118, USA.
Viruses
|May 25, 2024
Summary
Persistent inflammation in HIV is linked to comorbidities. This study investigates how defective HIV proviruses and viral RNA/proteins contribute to ongoing immune dysfunction and chronic HIV pathogenesis.
Area of Science:
- Immunology
- Virology
- Infectious Diseases
Background:
- People with HIV (Human Immunodeficiency Virus) experience chronic inflammation, increasing risks for comorbidities like cardiovascular disease and neuroinflammation.
- Antiretroviral treatments manage HIV but do not fully resolve persistent inflammation, leaving mechanisms poorly understood.
- A hypothesis suggests that low-level expression of HIV proviruses, including defective ones, drives immune dysfunction.
Purpose of the Study:
- To explore factors generating defective HIV proviruses during infection.
- To investigate how HIV-1 mRNA and proteins impact immune function in individuals with HIV.
Main Methods:
- This study reviews existing hypotheses and explores contributing factors to defective provirus generation.
- It examines the role of HIV-1 mRNA and proteins in immune alteration.
Main Results:
- Defective HIV proviruses may accumulate due to various factors during infection.
- HIV-1 mRNA and proteins are implicated in altering immune cell function.
Conclusions:
- Understanding the generation and impact of defective HIV proviruses is crucial for addressing chronic inflammation in HIV.
- Targeting persistent viral expression may offer new therapeutic strategies for HIV-associated comorbidities.
Related Concept Videos
Chronic Pancreatitis I: Introduction
86
The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
86
Retrovirus Life Cycles
45.9K
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...
45.9K
Immunodeficiency Diseases
935
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...
There are three main causes of immunodeficiency...
935
Leaky Scanning
5.1K
During most eukaryotic translation processes, the small 40S ribosome subunit scans an mRNA from its 5' end until it encounters the first start AUG codon. The large 60S ribosomal subunit then joins the smaller one to initiate protein synthesis. The location of the translation initiation is largely determined by the nucleotides near the start codon as there may be multiple translation initiation sites present on the mRNA. Marilyn Kozak discovered that the sequence RCCAUGG (where R...
5.1K
Sexually Transmitted Infections
301
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...
301
Inflammation
53.4K
Overview
53.4K

