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New Insights into Orphan Nuclear Receptor SHP in Liver Cancer

An Zou1, Sarah Lehn1, Nancy Magee1

  • 1Department of Pharmacology, Toxicology & Therapeutics, University of Kansas Medical Center, Kansas City, KS 66160, USA.

Nuclear Receptor Research
|October 28, 2015
PubMed

Insights

Small heterodimer partner (SHP) acts as a tumor suppressor in liver cancer by regulating cell proliferation and apoptosis. Understanding SHP

Area of Science:

  • Nuclear receptor biology
  • Hepatocellular carcinoma research
  • Metabolic disease mechanisms

Background:

  • Small heterodimer partner (SHP; NR0B2) is a nuclear receptor lacking DNA-binding capacity, functioning as a transcriptional corepressor.
  • SHP influences numerous metabolic pathways and interacts with various transcription factors.
  • Hepatocellular carcinoma (HCC) presents a significant global health challenge with limited treatment options.

Purpose of the Study:

  • To review recent advancements in understanding the antitumor role of SHP in liver cancer.
  • To explore novel SHP interaction partners, structural insights, and posttranslational modifications.
  • To discuss SHP's multifaceted regulation of cellular processes relevant to HCC.

Main Methods:

  • Literature review of recent findings on SHP.
  • Analysis of SHP's interactions with other proteins and its gene-repressing mechanisms.
  • Examination of SHP's role in cell proliferation, apoptosis, DNA methylation, and inflammation.

Main Results:

  • SHP plays an antitumor role in hepatocellular carcinoma development.
  • Recent studies have identified new SHP interaction partners and provided structural insights into its function.
  • SHP's activity is modulated by bile acids through posttranslational modifications.

Conclusions:

  • SHP's complex role in regulating proliferation, apoptosis, and inflammation contributes to its antitumor effects in HCC.
  • Further research into SHP's mechanisms can inform novel therapeutic strategies for liver cancer.
  • Developing specific SHP ligands holds promise for treating HCC and metabolic diseases.
Keywords:
Nuclear receptorsliver cancermetabolic diseasesmall heterodimer partner

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