How arsenic can cause cancer
Mechanism for arsenic induced carcinogenesis
Researchers are examining how arsenic changes small RNAs and chromosome stability in skin cells to help people exposed to arsenic understand their risk of skin cancer.
Quick facts
| Grant type | R01 grant |
|---|---|
| Study type | NIH-funded research |
| Funding institution | University of Louisville NIH-funded |
| Lab location | 1 site (Louisville, United States) |
| Project ID | NIH-11241143 on NIH RePORTER |
What this research studies
The team uses human skin cell models to see how long-term, low-level arsenic exposure alters microRNAs (including miR-186) and disrupts normal chromosome separation, which can lead to aneuploidy. They work with human keratinocyte cell lines (Ker-CT and HaCaT) and perform karyotype and molecular analyses to track chromosomal instability and its drivers. The project builds on earlier findings that several miRNAs are overexpressed in arsenic-related squamous cell carcinoma and may target mitotic regulators. Results could point to early molecular markers of arsenic-driven changes and potential targets for prevention or treatment down the line.
Who could benefit from this research
Good fit: People with a history of chronic arsenic exposure or arsenic-related skin changes would be most relevant for related sample donation or future clinical follow-up.
Not a fit: People without arsenic exposure or whose cancers are unrelated to arsenic are unlikely to receive direct benefit from this laboratory-focused work.
Why it matters
Potential benefit: If successful, this work could identify early molecular signs of arsenic-driven skin cancer that inform prevention, screening, or new targeted approaches.
How similar studies have performed: Prior laboratory studies have linked arsenic to miRNA changes and chromosomal instability, but translating those findings into clinical tests or treatments is still at an early, experimental stage.
Where this research is happening
Louisville, United States
- University of Louisville — Louisville, United States (Active)
Researchers
- Principal investigator: States, J Christopher — University of Louisville
- Study coordinator: States, J Christopher
About this research
- This is an active NIH-funded research project — typically early-stage science, not a clinical trial accepting patient enrollment.
- Some NIH-funded labs run parallel clinical studies or seek volunteers for related work. To check, contact the principal investigator or institution listed above.
- For full project details, budget, and progress reports, visit the official NIH RePORTER page below.