TargetRx Atlas

MRNA basic information

  • mRNA ID:ENST00000275493
  • Gene Name:EGFR
  • mRNA database:Ensembl
  • mRNA expression :up-regulated
  • mRNA Method:qRT-PCR
  • mRNA Pathway:NA
  • Evidence:predicted
  • (mRNA-drug)

Drug basic information

  • Drug ID:NA
  • Drug Name:NA
  • Drug Method:NA

Disease basic infommation

  • Disease:colorectal cancer
  • Tissue:HT‐29, Caco‐2 cell lines

Other information

  • Title:LXRα-mediated downregulation of EGFR suppress colorectal cancer cell proliferation.
  • Journal:J Cell Biochem
  • Published:2019
  • PubMed ID:31104333
  • Abstract:Liver X receptors (LXRs) are members of the nuclear receptor family, including the LXRα (NR1H3) and LXRβ (NR1H2) subtypes, which are related to the metabolism of glucose and cholesterol and possess anti-inflammatory functions. Mounting evidence has linked LXRs to the inhibition of cell proliferation in a variety of cancers. We revealed a differential distribution for NR1H3, but not for NR1H2, in colorectal cancer and adjacent normal tissues. We found that NR1H3 enhanced the inhibitory action of GW3965, an agonist of LXRs, on the proliferation of colorectal cancer cells. Upregulation of NR1H3 enhanced the inhibition of cell proliferation by GW3965 while silencing of NR1H3 attenuated the inhibitory effect of GW3965 on cell proliferation. Bioinformatic prediction and luciferase assays showed that NR1H3 was able to inhibit the activity of the epidermal growth factor receptor (EGFR) promoter. Moreover, we demonstrated that activation of NR1H3 inhibited the growth of transplanted tumors in an animal experiment, with the inhibition accompanied by downregulation of EGFR. Our findings suggest that NR1H3 controls cell proliferation by affecting EGFR promoter activity. The high expression of EGFR was due to the downregulation of NR1H3 which is a novel molecular mechanism in the development of colorectal cancer.
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