Chemosensitizing effect of honokiol in oral carcinoma stem cells via regulation of IL-6/Stat3 signaling

Min Te Chang, Shiao Pieng Lee, Chih Yuan Fang, Pei Ling Hsieh, Yi Wen Liao, Ming Yi Lu, Lo Lin Tsai, Cheng Chia Yu, Chia Ming Liu

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Oral squamous cell carcinoma (OSCC) is one of the most common cancers worldwide with poor prognosis. Numerous studies have attempted to explore alternative regimens aimed at reducing cancer stem cells (CSCs) without compromising the efficacy of conventional chemoradiotherapy. The present study sought to assess the effect of a natural compound honokiol on the reduction of elevated cancer stemness, metastatic capacity, and chemoresistance of oral carcinoma stem cells (OCSCs). Our results demonstrated that honokiol attenuated the cell survival and self-renewal of OCSCs in a dose-dependent manner. Moreover, honokiol downregulated the expression of 2 selective markers of OCSCs, ALDH1, and CD44, as well as the migration and invasion abilities, indicating its potential to suppress cancer stemness. We showed that honokiol reduced the secretion of IL-6 and phosphorylation of STAT3, and the honokiol-inhibited self-renewal, invasion and colony formation were reversed by administration of IL-6. Most importantly, our data demonstrated that honokiol was able to potentiate the effect of Cisplatin, leading to a lower proportion of OCSCs and the decreased cancer stemness features. Taken together, this study demonstrated the benefits of utilizing honokiol as an adjunct therapy for OSCC treatment.

Original languageEnglish
JournalEnvironmental Toxicology
DOIs
Publication statusAccepted/In press - Jan 1 2018

Fingerprint

Stem cells
cancer
Interleukin-6
Stem Cells
stem
Carcinoma
Neoplastic Stem Cells
Chemoradiotherapy
Squamous Cell Carcinoma
secretion
Neoplasms
Phosphorylation
honokiol
effect
regulation
Cisplatin
Cell Survival
Down-Regulation
Cells
Therapeutics

Keywords

  • cancer stem cells
  • chemo-sensitivity
  • honokiol
  • oral squamous cell carcinoma

ASJC Scopus subject areas

  • Toxicology
  • Management, Monitoring, Policy and Law
  • Health, Toxicology and Mutagenesis

Cite this

Chemosensitizing effect of honokiol in oral carcinoma stem cells via regulation of IL-6/Stat3 signaling. / Chang, Min Te; Lee, Shiao Pieng; Fang, Chih Yuan; Hsieh, Pei Ling; Liao, Yi Wen; Lu, Ming Yi; Tsai, Lo Lin; Yu, Cheng Chia; Liu, Chia Ming.

In: Environmental Toxicology, 01.01.2018.

Research output: Contribution to journalArticle

Chang, Min Te ; Lee, Shiao Pieng ; Fang, Chih Yuan ; Hsieh, Pei Ling ; Liao, Yi Wen ; Lu, Ming Yi ; Tsai, Lo Lin ; Yu, Cheng Chia ; Liu, Chia Ming. / Chemosensitizing effect of honokiol in oral carcinoma stem cells via regulation of IL-6/Stat3 signaling. In: Environmental Toxicology. 2018.
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