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Abstract Title:

Phenethyl Isothiocyanate (PEITC) and Benzyl Isothiocyanate (BITC) Inhibit Human Melanoma A375.S2 Cell Migration and Invasion by Affecting MAPK Signaling Pathway.

Abstract Source:

Anticancer Res. 2017 11 ;37(11):6223-6234. PMID: 29061805

Abstract Author(s):

Yi-Shih Ma, Yung-Ting Hsiao, Jen-Jyh Lin, Ching-Lung Liao, Chin-Chung Lin, Jing-Gung Chung

Article Affiliation:

Yi-Shih Ma

Abstract:

BACKGROUND/AIM: Numerous evidence has shown that PEITC and BITC inhibit cancer cell migration and invasion. In this study, we investigated the anti-metastatic mechanisms of PEITC and BITC in human melanoma cancer A375.S2 cells in vitro.

MATERIALS AND METHODS: We used a cell viability assay, an in-vitro scratch wound healing assay, a transwell assay for cell migration and invasion, a gelatin zymography assay, western blotting and EMSA to examine the anti-metastatic mechanisms of PEITC and BITC in A375.S2 cells.

RESULTS: Sublethal concentrations of PEITC (0, 1, 2 and 2.5μM) and BITC (0, 0.5, 1 and 2 μM) inhibited mobility, migration and invasion of A375.S2 cells that were assayed by wound healing and Transwell filter. PEITC and BITC inhibited MMP-2 activity in A375.S2 cells, as assessed by gelatin zymography assay. Results from western blotting indicated that PEITC (2.5 μM) and BITC (2 μM) decreased the levels of p-p38 following 24 and 48 h treatment. PEITC (1-2.5 μM) reduced the levels of p-JNK1/2 proteins following 48-h treatment but BITC increased p-JNK1/2 levels following 24-h treatment. PEITC (2.5 μM) reduced the levels of p-ERK1/2 proteins following 48-h treatment but BITC (0.5-2 μM) increased p-ERK1/2 levels following 24- and 48-h treatment. PEITC and BITC affect cell migration and invasion of A375.S2 cells via MAPK pathway. PEITC and BITC inhibited MMP-2 activity. PEITC increased NF-κB expression but BITC decreased NF-κB expression in the nucleus. Furthermore, NF-κB p65 binding to DNA was decreased following 2.5 μM PEITC treatment, but increased following treatment with 1-2 μM. However, 0.5-2 μM BITC treatment decreased the binding of NF-κB to DNA in A375.S2 cells, as assessed by electrophoretic mobility shift (EMSA) assay.

CONCLUSION: Based on these observations, we suggest that PEITC and BITC can be used as anti-metastastic agents of human melanoma cells in the future.

Study Type : In Vitro Study

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Sayer Ji
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