Related Experiment Video
Updated: Jun 5, 2026

13:41
Use of Interferon-γ Enzyme-linked Immunospot Assay to Characterize Novel T-cell Epitopes of Human Papillomavirus
Published on: March 8, 2012
[Atypical cutaneous infections with genital HPV]
1grussendorfconen@home.nl
Summary
High-risk human papillomavirus type 16 (HPV 16) is linked to skin cancers like Bowen disease and squamous cell carcinomas. While HPV 16 is crucial, immune status and other factors also influence skin cancer development.
Area of Science:
- Dermatology
- Oncology
- Virology
Context:
- Genital high-risk human papillomavirus type 16 (HPV 16) is a known cause of cervical carcinomas.
- HPV 16 is also implicated in various cutaneous conditions, including Bowen disease and squamous cell carcinomas of the skin, digits, eyes, and ear canal.
Purpose:
- To explore the role of HPV 16 in non-genital skin cancers.
- To investigate the mechanisms of HPV infection and carcinogenesis in cutaneous lesions.
Summary:
- High-risk HPV 16, typically associated with cervical cancer, is frequently detected in atypical skin infections like Bowen disease and squamous cell carcinomas.
- While HPV 16 DNA integration is rare in early Bowen disease, it appears with progression to invasive carcinoma.
- The transmission route of mucosal HPV to the skin remains unclear, with genito-digital contact being a proposed but not universally supported mechanism.
Impact:
- Understanding HPV's role in skin cancer can inform prevention and treatment strategies.
- Further research into HPV transmission and host factors is needed to elucidate skin carcinogenesis mechanisms.
- Factors such as immunosuppression, UV exposure, and toxic substances can modulate HPV-induced carcinogenesis, highlighting the interplay between viral, host, and environmental factors.
Related Concept Videos
Genital Herpes
Genital herpes is a sexually transmitted infection primarily caused by herpes simplex virus type 2 (HSV-2), though herpes simplex virus type 1 (HSV-1) is increasingly implicated in genital infections, particularly among younger populations. Transmission occurs mainly through sexual contact, with asymptomatic viral shedding serving as a major route of spread. This characteristic makes HSV-2 difficult to control at a population level, as individuals may unknowingly transmit the virus even in the...
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...
Herpes
Herpes simplex type 1 (HSV‑1) is a widespread pathogen responsible for orolabial lesions. It is an enveloped, double-stranded DNA (dsDNA) virus belonging to the family Herpesviridae. Once the virus infects a host cell, its double‑stranded DNA genome is delivered into the nucleus, where a coordinated cascade of immediate‑early, early, and late gene expression directs viral DNA replication, structural protein synthesis, and virion assembly. After primary infection of epithelial cells, HSV-1...
Skin Diseases and Disorders
Skin is the first line of defense and encounters a variety of microbes. Some pathogenic strains are often the cause of a broad range of infections of the skin and other body systems. These conditions can affect people of all ages and may have different causes, including genetic factors, infections, autoimmune reactions, environmental factors, and lifestyle choices.
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Gram-positive Staphylococcus spp. and Streptococcus spp. are responsible for many of the most common skin infections. However, many...
Trichomoniasis
Trichomonas vaginalis is a flagellated protozoan parasite and the causative agent of trichomoniasis, one of the most prevalent non-viral sexually transmitted infections in the United States. This extracellular parasite primarily colonizes the lower genitourinary tract in women—particularly the vagina—and in men, the urethra and prostate. Its structural and functional adaptations enable its survival, motility, and pathogenicity within the host environment.Structural Features and Host EntryT.
Candidiasis
Candidiasis is a fungal infection caused by opportunistic species of Candida. It can affect various anatomical sites, including the skin, oral cavity, nails, and genitourinary tract. Among its forms, vaginal candidiasis is the most common type of mucosal infection. It typically results from the overgrowth of Candida albicans in the vaginal mucosa. Under normal conditions, C. albicans exists as a commensal organism within the vaginal microbiota, regulated by the dominance of lactobacilli, which...
