title: [Effects of resveratrol on matrix metalloproteinase-9 expression in hepatoma cells].
abstract: OBJECTIVE
  To observe the effects of resveratrol on proliferation of human hepatocellular carcinoma cell line SMMC-7721 cells and expression of matrix metalloproteinase-9 (MMP-9) in vitro.
  
  
  METHODS
  SMMC-7721 cells were treated with different concentrations of resveratrol for 24, 48 and 72 h, respectively. The effect of resveratrol on proliferation of SMMC-7721 cells was assessed with methyl thiazolyl tetrazolium (MTT). The expression of MMP-9 mRNA was determined by reverse transcription polymerase chain reaction (RT-PCR). MMP-9 protein was identified by Western blot analysis.
  
  
  RESULTS
  Resveratrol could inhibit the proliferation of SMMC-7721 cells with dose- and time-dependent effects. Moreover, both MMP-9 mRNA expression and MMP-9 protein production were markedly reduced after resveratrol treatment.
  
  
  CONCLUSIONS
  Resveratrol can inhibit the proliferation of SMMC-7721 cells and down-regulate MMP-9 expression. It is presumed that resveratrol may suppress the invasion and metastasis of hepatocellular carcinoma.
authors.affiliation: Department of Hepatobiliary Surgery, the First Affiliated Hospital, Medical School of Xi'an Jiaotong University, Xi'an, Shaanxi Province 710061, China. yhb2101661@sohu.com
authors.forename: Hai-Bo
authors.initials: HB
authors.lastname: Yu
authors.forename: Cheng-En
authors.initials: CE
authors.lastname: Pan
authors.forename: Wu-Jun
authors.initials: WJ
authors.lastname: Wu
authors.forename: Si-Hai
authors.initials: SH
authors.lastname: Zhao
authors.forename: Hui-Feng
authors.initials: HF
authors.lastname: Zhang
mesh_terms: D000972:Antineoplastic Agents, Phytogenic / Q000494:pharmacology; D006528:Carcinoma, Hepatocellular / Q000201:enzymology* / Q000473:pathology; D049109:Cell Proliferation / Q000187:drug effects; D004305:Dose-Response Relationship, Drug; D015536:Down-Regulation / Q000187:drug effects; D006801:Humans; D008113:Liver Neoplasms / Q000201:enzymology* / Q000473:pathology; D020780:Matrix Metalloproteinase 9 / Q000235:genetics / Q000378:metabolism*; D012333:RNA, Messenger / Q000235:genetics / Q000378:metabolism; D000077185:Resveratrol; D013267:Stilbenes / Q000494:pharmacology*; D014407:Tumor Cells, Cultured
chemical_list: D000972:Antineoplastic Agents, Phytogenic; D012333:RNA, Messenger; D013267:Stilbenes; D020780:Matrix Metalloproteinase 9; D000077185:Resveratrol