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Skin cancer chemoprevention by α-santalol
Xiaoying Zhang1, Chandradhar Dwivedi
1Department of Biology, Shanghai chempartner Co., LTD, Shanghai, China 201203.
Abstract:
Alpha-santalol, a naturally occurring terpenoid, has been shown to have chemopreventive effects on both 7, 12-dimethylbenz(a)anthracene (DMBA)-initiated and 12-O- tetradecanoylphorbol-13-acetate (TPA)-promoted skin cancer development in CD-1 and SENCAR mice, and UVB-induced skin cancer developments in SKH-1 hairless mice in a concentration-dependent manner. Studies have demonstrated that α-santalol could be effective against skin carcinogenesis through both induction of apoptosis via caspase activation together with dissipation of mitochondria membrane potential and cytochrome c release in A431 cells, and inhibition of cell growth via induction of G2/M phase arrest in both A431 cells and melanoma UACC-62 cells by altering multiple cell cycle regulatory proteins and complexes. This review summarizes the chemopreventive effects and molecular mechanisms of α-santalol on skin cancer development in both animal models and skin cancer cell lines.
Insights
Alpha-santalol, a natural compound, shows promise in preventing skin cancer by inducing cell death and halting cancer cell growth. Its chemopreventive effects were observed in mouse models and human skin cancer cell lines.
Area of Science:
- Natural Products Chemistry
- Dermatology
- Oncology
Background:
- Skin cancer is a significant global health concern.
- Chemoprevention offers a strategy to inhibit or reverse carcinogenesis.
- Alpha-santalol is a naturally occurring terpenoid with potential therapeutic properties.
Purpose of the Study:
- To review the chemopreventive effects of alpha-santalol on skin cancer.
- To elucidate the molecular mechanisms underlying alpha-santalol's anti-cancer activity.
- To summarize findings from both animal models and cell line studies.
Main Methods:
- Evaluation of alpha-santalol's efficacy in chemically induced and UVB-induced skin cancer models in mice.
- Investigation of molecular pathways including apoptosis induction (caspase activation, mitochondrial membrane potential, cytochrome c release) in A431 cells.
- Analysis of cell cycle arrest (G2/M phase) and alterations in cell cycle regulatory proteins in A431 and UACC-62 cells.
Main Results:
- Alpha-santalol demonstrated concentration-dependent chemopreventive effects against skin carcinogenesis in various mouse models.
- The compound induced apoptosis in A431 cells through caspase activation and mitochondrial pathway.
- Alpha-santalol inhibited cell proliferation by inducing G2/M phase arrest in cancer cell lines.
Conclusions:
- Alpha-santalol exhibits significant chemopreventive potential against skin cancer.
- Its mechanisms involve the induction of apoptosis and cell cycle arrest.
- Further research into alpha-santalol as a therapeutic agent for skin cancer is warranted.
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