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Saururus chinensis ÃßÃâ¹°¿¡ ÀÇÇÑ ÀÚ°¡Æ÷½Ä À¯µµ¸¦ ÅëÇÑ HSC3 ±¸°­ÆíÆò¼¼Æ÷¾ÏÁ¾ ¼¼Æ÷ÁÖ¿¡¼­ÀÇ ¼¼Æ÷ Áõ½Ä ¾ïÁ¦ ±âÀü

Methanol Extract Saururus Chinensis Inhibits the Cell Proliferation of HSC3 Oral Squamous Cell Carcinoma Cell Line through Autophagy

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µµ¹ÌÇâ ( Do Mi-Hyang ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ±¸°­»ý¹°°øÇבּ¸¼Ò
ÇÑÇý·Ã ( Han Hye-Yeon ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ±¸°­»ý¹°°øÇבּ¸¼Ò
Á¤¼ö¹Î ( Jeong Su-Min ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ±¸°­³»°úÇб³½Ç
±èÁö¿¬ ( Kim Ji-Yeon ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ¼Ò¾ÆÄ¡°úÇб³½Ç
À¯¹ÌÇö ( Ryu Mi-Heon ) - ºÎ»ê´ëÇб³ Ä¡ÀÇÇÐÀü¹®´ëÇпø ±¸°­º´¸®Çб³½Ç

Abstract


Autophagy is recently receiving the spotlight as the development strategy for promising anticancer drugs. In particular, the majority of anticancer drugs originating from natural products are known to induce autophagy. Saururus chinensis has been used for treating various inflammatory diseases. Recent research has revealed that the extract of Saururus chinensis possess cytotoxicity for various types of human cancer cells. However, the exact action mechanism of Saururus chinensis extract for oral squamous cell carcinoma (OSCC) has not been studied yet. Therefore, the authors of this research aim to study the effect of methanol extract of S. chinensis (MESC) on OSCC cells. To observe the cell proliferation inhibitory effect of MESC on HSC3 cells, the authors conducted the trypan blue exclusion assay. Also, the action mechanism of MESC was studied by conducting the cell cycle analysis, acidic vesicular organelle (AVO) staining and flow cytometry analysis, monodansylcadaverine (MDC) staining, propidium iodide staining, and Western blotting on MESC-treated HSC3 cells. When HSC3 cells were treated in MESC, the cell proliferation was suppressed in time-dependent and dose-dependent manners.
Also, the number of sub-G1 arrested cells increased in a dose-dependent manner. MDC punctate and AVO puncta significantly increased respectively. Western blot analysis demonstrated the expression of autophagy-related proteins increased, but apoptotic proteins were not observed. Also, the pAkt protein was reduced, while the p-p38 protein and pERK protein increased. According to our results, MESC induced autophagy and accompanied changes in the cell cycle in HSC3 cells. Also, the alteration in Akt, ERK, and p38 pathways were confirmed. This result suggested the possibility of MESC as the new promising adjuvant for treating OSCC patients.

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Oral squamous cell carcinoma; Saururus chinensis; Autophagy; MAPK

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