J Korean Acad Oral Health.  2016 Sep;40(3):143-148. 10.11149/jkaoh.2016.40.3.143.

Anticancer effect of mastic on human oral cancer cells

• Kim JH
• Choi JH
• Jung YS
• Cho MJ
• Lee YE
• Park DO
• Song KB

• KMID: 2354784
• DOI: http://doi.org/10.11149/jkaoh.2016.40.3.143

Abstract

OBJECTIVES
Mastic is a resinous extract from the stem and main leaves of Pistacia lentiscus, grown only in the Chios island of Greece. Mastic has antibacterial, anti-inflammatory, anticancer, and anti-ulcer activities. Although mastic has been widely studied, its inhibitory effect against cancer cells, especially oral cancer cells, has not been elucidated. The purpose of this study was to assess the anticancer effects of mastic on human oral cancer YD-10B cells.
METHODS
YD-10B cells were cultured in 0, 1, 2, 5, and 10 µg/mL mastic for 24 h. Cell count, viability, morphology, colony-forming assay, and DAPI staining were analyzed.
RESULTS
Mastic treatment of YD-10B cells resulted in a dose-dependent inhibition of cell growth, and almost all the cells in the 10 µg/mL culture were dead (P<0.05). Mastic treatment induced a morphological change and nuclear fragmentation in the YD-10B cells, and inhibited colony formation of YD-10B cells in a dose-dependent manner.
CONCLUSIONS
These results indicate that mastic exhibited anticancer effects on the YD-10B cells through changes in cell morphology and apoptosis.

Keyword

Apoptosis; Mastic; Oral cancer

MeSH Terms

Apoptosis
Cell Count
Greece
Humans*
Mouth Neoplasms*
Pistacia

Figure

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  Fig. 1. Morphology changes of human oral cancer YD-10B cells by mastic. (A-F) ×400; (A) control; (B) DMSO; (C) mastic 1 μg/ml; (D) mastic 2 μg/ml; (E) mastic 5 μg/ml; (F) mastic 10 μg/ml.

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  Fig. 2. The effect of mastic in the viability of human oral cancer YD-10B cells. The values are presented as mean±standard deviation. Bars with same letter means there are no significant differences among mastic concentrations by Tukey test using ranks (P>0.05).

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  Fig. 3. The apoptosis effect of mastic on YD-10B cells by DAPI staining. (A-F) ×200; (A) control; (B) DMSO; (C) mastic 1 μg/ml; (D) mastic 2 μg/ml; (E) mastic 5 μg/ml; (F) mastic 10 μg/ml.

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  Fig. 4. The effect of growth inhibition on YD-10B cells by clonogenic assay. (A) control; (B) DMSO; (C) mastic 1 μg/ml; (D) mastic 2 μg/ml; (E) mastic 5 μg/ml; (F) mastic 10 μg/ml.

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