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Alpha-Terpineol as Antitumor Candidate in Pre-Clinical Studies
Helber A Negreiros1, Kariely Gonçalves de Moura2, Maria L L Barreto do Nascimento1
1Toxicological Genetics Research Laboratory (LAPGENIC), Postgraduate Program in Pharmaceutical Sciences, Federal University of Piaui, Teresina, Piaui, Brazil.
Alpha-terpineol demonstrates antitumor properties by inducing cell death and DNA damage in cancer cells. This monoterpene alcohol shows potential as a therapeutic agent against various tumor types.
Area of Science:
- Pharmacology
- Oncology
- Natural Products
Background:
- Alpha-terpineol, a monoterpene alcohol, exhibits known anti-tumor activity.
- It functions by inhibiting NF-kB expression, crucial for tumor cell proliferation.
Purpose of the Study:
- To investigate the anti-tumor effects of alpha-terpineol.
- To evaluate its efficacy against the murine Sarcoma 180 cell line.
Main Methods:
- Cytotoxic and genotoxic assays were employed, including Trypan blue, micronucleus assay, comet assay, and DNA fragmentation analysis.
- Alpha-terpineol was tested at concentrations of 100, 250, and 500 μg/mL on Sarcoma 180 cells.
- Doxorubicin and Cisplatin served as positive controls.
Main Results:
- Alpha-terpineol significantly reduced cell viability across all tested concentrations.
- Genotoxic effects were observed, including DNA fragmentation and increased micronuclei formation, indicating clastogenic activity.
- Apoptosis, including early, late, and necrotic forms, was induced by alpha-terpineol.
Conclusions:
- Alpha-terpineol possesses significant anti-tumor activity.
- The anti-tumor effects are mediated through cytogenetic mechanisms and disruption of cell membrane integrity.
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