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Role of G protein-coupled receptor 1 in choriocarcinoma progression

Binbin Huang1,2, Wen Zhu1,2, Junlei Chang3

  • 1Center for Reproduction and Health Development, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China.

American Journal of Physiology. Cell Physiology
|June 27, 2019
PubMed

Insights

G protein-coupled receptor 1 (GPR1) drives choriocarcinoma growth by promoting cell proliferation and invasion. Targeting GPR1, potentially with the peptide LRH7-G3, offers a promising therapeutic strategy for this cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Choriocarcinoma is a malignant trophoblast tumor with limited targeted therapies.
  • Current treatments lack specificity, leading to widespread drug distribution and side effects.
  • Identifying novel therapeutic targets is crucial for improving choriocarcinoma treatment.

Purpose of the Study:

  • To investigate the role of G protein-coupled receptor 1 (GPR1) in choriocarcinoma development.
  • To evaluate GPR1 as a potential therapeutic target for choriocarcinoma.
  • To identify specific GPR1-targeting agents for choriocarcinoma treatment.

Main Methods:

  • GPR1 expression analysis in normal and choriocarcinoma trophoblast cell lines.
  • In vitro and in vivo studies involving GPR1 knockdown and overexpression.
  • Phage display to identify GPR1-binding peptides.
  • Assessment of Akt and ERK phosphorylation pathways.

Main Results:

  • GPR1 expression is significantly elevated in choriocarcinoma cells compared to normal trophoblasts.
  • GPR1 knockdown inhibits choriocarcinoma cell proliferation, invasion, and tumor growth.
  • GPR1 overexpression enhances choriocarcinoma cell proliferation and invasion.
  • A GPR1-binding peptide, LRH7-G3, demonstrates potential in suppressing choriocarcinoma.

Conclusions:

  • GPR1 plays a critical role in regulating choriocarcinoma progression via Akt and ERK signaling pathways.
  • GPR1 represents a promising novel pharmaceutical target for choriocarcinoma therapy.
  • The identified peptide LRH7-G3 warrants further investigation as a potential choriocarcinoma therapeutic agent.
Keywords:
GPR1LRH7-G3choriocarcinomaphage display

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