Related Experiment Videos
Trace elements and melanoma.
Margherita Bergomi1, Giovanni Pellacani, Marco Vinceti
1Department of Hygiene, University of Modena and Reggio Emilia, Modena, Italy. bergomi@unimore.it
Summary
Melanoma risk may be linked to abnormal copper and iron levels. This study found higher copper and lower iron in melanoma patients, suggesting these trace elements are key factors in skin cancer development.
Area of Science:
- Environmental Health
- Nutritional Epidemiology
- Dermatology
Background:
- Increasing melanoma incidence suggests environmental risk factors.
- Trace elements are hypothesized to play a role in melanoma etiology.
Purpose of the Study:
- To investigate the association between trace element levels and melanoma.
- To explore the role of nutritional and toxicological trace elements in skin cancer.
Main Methods:
- Case-control study comparing 58 melanoma patients and 58 controls.
- Collection of clinical and dietary data via questionnaires.
- Quantification of toenail trace elements (cadmium, chromium, lead, selenium, zinc, copper, iron) using ICP-OES and NAA.
Main Results:
- Melanoma patients exhibited significantly higher toenail copper levels.
- Lower toenail iron concentrations were observed in melanoma cases.
- No significant differences were found for cadmium, chromium, lead, selenium, or zinc.
- Distinct correlations between zinc/copper and dietary factors were noted between cases and controls.
Conclusions:
- Abnormal copper and iron intake or metabolism may contribute to melanoma development.
- The study does not support a role for cadmium, chromium, lead, selenium, or zinc in melanoma etiology.
- Further research into copper and iron metabolism in skin cancer is warranted.