Curcumin inhibits hypoxia inducible factor‑1α‑induced epithelial‑mesenchymal transition in HepG2 hepatocellular carcinoma cells

Duan,Wanxing; Chang,Yuanhong; Li,Rong; Xu,Qinhong; Lei,Jianjun; Yin,Caiqiao; Li,Ting; Wu,Yanzhao; Ma,Qingyong; Li,Xuqi

doi:10.3892/mmr.2014.2551

November-2014 Volume 10 Issue 5

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November-2014 Volume 10 Issue 5

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Article

Curcumin inhibits hypoxia inducible factor‑1α‑induced epithelial‑mesenchymal transition in HepG2 hepatocellular carcinoma cells

Authors:
- Wanxing Duan
- Yuanhong Chang
- Rong Li
- Qinhong Xu
- Jianjun Lei
- Caiqiao Yin
- Ting Li
- Yanzhao Wu
- Qingyong Ma
- Xuqi Li
View Affiliations / Copyright

Affiliations: Department of Hepatobiliary Surgery, First Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China, Department of Gastroenterology, Xi'an No. 4 Hospital, Affiliated Guangren Hospital, School of Medicine, Xi'an Jiaotong University, Xi'an, Shaanxi 710004, P.R. China, Department of Hepatobiliary Surgery, First Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China, Department of General Surgery, First Affiliated Hospital of Medical College, Xi'an Jiaotong University, Xi'an, Shaanxi 710061, P.R. China
Pages: 2505-2510
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Published online on: September 9, 2014

https://doi.org/10.3892/mmr.2014.2551
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Abstract

Hepatocellular carcinoma (HCC) accounts for the majority of liver cancers. A hypoxic microenvironment is a common feature of HCC, and is associated with malignant invasion, metastasis and epithelial-mesenchymal transition (EMT) changes. Curcumin is a botanical agent derived from the dried rhizome of Curcuma longa. Although a number of preclinical studies have shown that curcumin has anticancer properties when administered in a normoxic microenvironment, no studies have directly examined the effect of curcumin on preventing HCC invasion and metastasis under hypoxic conditions. This study aimed to determine whether curcumin has effects on the hypoxia-induced malignant biological behavior of HCC. CoCl2 was used to establish a hypoxia model in vitro. The results showed that curcumin significantly decreased hypoxia-induced hypoxia inducible factor-1α (HIF-1α) protein level in HepG2 cells. Furthermore, cell proliferation, migration and invasiveness, as well as EMT changes associated with HIF-1α accumulation generated by a hypoxic microenvironment, were eliminated by curcumin. In conclusion, these data indicate that curcumin may be a viable anticancer agent in the treatment of HCC.

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