Related Experiment Video
Updated: May 17, 2026
12:33
Determination of Biofilm Initiation on Virus-infected Cells by Bacteria and Fungi
Published on: July 6, 2016
HTLV infection and the eye
1Department of Ophthalmology & Visual Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Yushima, Bunkyo-ku, Tokyo, Japan.
Current Opinion in Ophthalmology
|October 11, 2012
Summary
Human T-cell lymphotropic virus (HTLV) causes eye diseases, with increasing carriers in some areas. Research explores HTLV-related ocular disease mechanisms and treatments, including targeted therapies for better outcomes.
Area of Science:
- Ophthalmology
- Virology
- Immunology
Background:
- Human T-cell lymphotropic virus (HTLV) is a retrovirus linked to human malignancies and ocular diseases.
- HTLV infection impacts ocular immune tolerance, leading to diverse eye conditions.
- Recent data indicate a rise in HTLV-1 carriers in urban settings, despite decreased general seroprevalence.
Purpose of the Study:
- To review the manifestations, mechanisms, treatments, and future directions of HTLV-related ocular diseases.
- To discuss the current understanding of HTLV-1 uveitis prevalence and its geographical variations.
- To highlight recent therapeutic advancements and ongoing research into targeted treatments for HTLV-1 ocular complications.
Main Methods:
- Review of recent serological research on HTLV-1 carrier prevalence.
- Analysis of clinical findings for HTLV-1 uveitis and other ocular manifestations.
- Examination of therapeutic strategies, including immunosuppressants and targeted therapies.
- Investigation of molecular mechanisms involving HTLV-1 tax and basic leucine zipper factor.
Main Results:
- HTLV-1 uveitis remains a significant clinical entity in endemic regions, with varying global prevalence.
- Tacrolimus and 5-azacytidine show efficacy in managing autoimmune manifestations of HTLV-1-related syndromes.
- Interleukin-2 receptor targeted therapies have improved scleritis in adult T-cell leukemia/lymphoma patients.
- HTLV-1 tax and basic leucine zipper factor are identified as key players in disease pathogenesis.
Conclusions:
- Modern molecular biology provides deep insights into HTLV-1-related ocular diseases.
- While effective therapies exist, further research is needed for more specific treatments.
- Targeted therapies based on basic research show promise for managing HTLV-1 ocular complications.
Related Concept Videos
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...
01:20Infection
When a pathogen enters the body and reproduces, it can cause an infection, damage body cells, and cause illness symptoms that eventually lead to disease. Therefore, its prevention requires breaking the chain of infection.
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
The chain begins with pathogens: bacteria, viruses, fungi, prions, or parasites such as protozoa helminths. These can be present on the skin as transient or resident flora, or they can be acquired from the environment. Identifying and treating the type of infection and...
01:27Cytomegalovirus Disease
Cytomegalovirus (CMV) disease is caused by human cytomegalovirus, a double-stranded DNA virus of the Herpesviridae family. While primary CMV infection is often asymptomatic in immunocompetent individuals, the virus can cause severe disease in neonates and immunocompromised patients. CMV is the most common cause of congenital viral infection in the United States, and a major pathogen in solid organ and hematopoietic stem cell transplant recipients.CMV is transmitted via bodily fluids, sexual...
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...
01:22Microbiome of the Eye
The human eye has a specialized microbiota that reflects its unique anatomical and immunological environment. This low-biomass microbial community predominantly colonizes the conjunctiva and eyelid margins, playing a vital role in ocular surface homeostasis and defense. Despite its proximity to the richly colonized facial skin, the ocular surface maintains a distinct microbial profile due to continuous mechanical and biochemical defense mechanisms.The conjunctival surface hosts fewer microbial...
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...