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Published on: December 19, 2019
Efficacy of sulforaphane in skin cancer animal models: A systematic review
1Department of Translational and Clinical Research, School of Chemical and Life Sciences, Jamia Hamdard University, New Delhi, India.
Abstract:
Globally, skin cancer is the predominant form of cancer, with melanoma identified as its most deadly variant. Projections suggest a surge exceeding 50% in melanoma occurrences by 2040, underscoring the urgency for preventive interventions. Sulforaphane (SFN), a compound found in cruciferous vegetables, is recognized for its cancer-preventive capabilities, particularly against skin cancer. This study employed a rigorous systematic review of various databases, adhering to predefined inclusion criteria for study selection. Data extraction was conducted using a uniform template, and the quality of the included studies was evaluated through the Systematic Review Centre for Laboratory Animal Experimentation (SYRCLE) risk of bias tool, specifically designed for animal research. The review encompasses studies published in English from 2000 to 2023, culminating in the inclusion of 9 pertinent studies. The findings highlight SFN's capacity to act as a protective agent in preventing skin cancer in animal models. It demonstrated efficacy in curbing skin tumorigenesis triggered by assorted carcinogens, reducing the onset of skin tumors and impeding the growth and spread of skin cancer cells. Furthermore, SFN showed preventive effects against UVB-induced skin carcinogenesis by obstructing the activator protein 1 signaling pathway. Based on evidence from animal-based research, SFN emerges as a promising chemopreventive substance against skin cancer. Nevertheless, determining its optimal dosage, application duration and method of administration for human subjects remains pending. If its effectiveness is substantiated, SFN could complement or offer an alternative to existing preventive measures against skin cancer.
Insights
Sulforaphane (SFN) shows promise in preventing skin cancer by inhibiting tumor growth and spread in animal models. Further research is needed to determine optimal human dosages for this cruciferous vegetable compound.
Area of Science:
- Oncology
- Chemoprevention
- Dermatology
Background:
- Skin cancer, particularly melanoma, is a growing global health concern with projected increases by 2040.
- Sulforaphane (SFN), a natural compound from cruciferous vegetables, exhibits potential anticancer properties.
- Urgent need for effective preventive strategies against escalating skin cancer rates.
Approach:
- Systematic review of English-language studies from 2000-2023.
- Inclusion of 9 relevant studies evaluated using the SYRCLE risk of bias tool for animal research.
- Data extraction and quality assessment following predefined criteria.
Key Points:
- SFN demonstrated significant chemopreventive effects against skin cancer in animal models.
- SFN inhibited carcinogen-induced skin tumorigenesis, reduced tumor onset, and slowed cancer cell proliferation.
- SFN protected against UVB-induced skin carcinogenesis by modulating the activator protein 1 pathway.
Conclusions:
- SFN is a promising chemopreventive agent for skin cancer based on animal studies.
- Optimal human SFN dosage, duration, and administration require further investigation.
- SFN may offer a complementary or alternative approach to current skin cancer prevention methods.
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