TargetRx Atlas

MRNA basic information

  • mRNA ID:ENST00000396402
  • Gene Name:Aromatase
  • mRNA database:Ensembl
  • mRNA expression :down-regulated
  • mRNA Method:qRT-PCR
  • mRNA Pathway:NA
  • Evidence:validated
  • (mRNA-drug)

Drug basic information

  • Drug ID:DB01094 (APRD00117)
  • Drug Name:Hesperetin
  • Drug Method:down-regulated the gene expression the gene expression

Disease basic infommation

  • Disease:breast cancer
  • Tissue:cell lines (MCF-7)

Other information

  • Title:The citrus flavonone hesperetin inhibits growth of aromatase-expressing MCF-7 tumor in ovariectomized athymic mice
  • Journal:J Nutr Biochem
  • Published:2012
  • PubMed ID:22209285
  • Abstract:Aromatase is responsible for the rate-determining reaction in estrogen synthesis and is a prime target for treating estrogen-receptor-positive breast cancer. Previous in vitro study has demonstrated that apigenin (APG), naringenin (NGN) and hesperetin (HSP) are three of the most potent natural aromatase inhibitors. Because the enzyme inhibition could potentially block breast cancer development, we employed an established postmenopausal breast cancer model to examine the chemopreventive effect of these flavonoids in vivo. Athymic mice were ovariectomized and transplanted with aromatase-overexpressing MCF-7 cells. Dietary administration of HSP at 1000 ppm and 5000 ppm significantly deterred the xenograft growth, while a null effect was observed in mice treated with APG or NGN. Further study illustrated that plasma estrogen in HSP-treated mice was reduced. Messenger RNA expression of the estrogen-responsive gene pS2 was also decreased in the tumors of mice treated with 1000 and 5000 ppm HSP. On the other hand, western analysis indicated that cyclin D1, CDK4 and Bcl-x(L) were reduced in the tumors. This study suggested that HSP could be a potential chemopreventive agent against breast carcinogenesis through aromatase inhibition.
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