Using a Quantitative High-Throughput Screening Platform to Identify Molecular Targets and Compounds as Repurposing

Molly L Churchill1, Sarah J Holdsworth-Carson1,2, Karla J Cowley3

  • 1Gynaecology Research Centre, Department of Obstetrics and Gynaecology, University of Melbourne and The Royal Women's Hospital, Parkville, VIC 3052, Australia.

Biomolecules
|June 28, 2023
PubMed

Insights

Researchers screened 3,517 compounds to find new endometriosis treatments. They identified 23 novel compounds targeting estrogen-driven cell growth, offering hope for better therapies for this chronic condition.

Area of Science:

  • Reproductive biology
  • Pharmacology
  • Genitourinary medicine

Background:

  • Endometriosis is an estrogen-dependent, chronic, pro-inflammatory disease affecting up to 11.4% of women of reproductive age and gender-diverse people with a uterus.
  • Current treatments lack long-term cures, necessitating the urgent discovery of novel, safe, and effective therapies.
  • Identifying new therapeutic targets is crucial for improving patient outcomes and understanding disease progression.

Purpose of the Study:

  • To conduct high-throughput screening of clinically approved compounds to identify novel therapeutics for endometriosis.
  • To investigate molecular targets and signaling pathways involved in endometriosis pathophysiology.
  • To establish the feasibility of large-scale compound screening for endometriosis drug discovery.

Main Methods:

  • Quantitative high-throughput compound screening of 3,517 clinically approved drugs.
  • Utilized patient-derived immortalized human endometrial stromal cell lines.
  • Developed and optimized a screening protocol to identify compounds inhibiting estrogen-stimulated cell growth.

Main Results:

  • Identified 23 novel compounds that interfere with estrogen-stimulated endometrial cell growth.
  • Characterized molecular targets and in silico cell-signaling pathways, including neuroactive ligand-receptor interactions, metabolic pathways, and cancer-associated pathways.
  • Demonstrated the feasibility of large-scale compound screening for endometriosis therapeutics.

Conclusions:

  • This study successfully identified novel compounds with therapeutic potential for endometriosis.
  • The findings highlight the utility of high-throughput screening in drug discovery for complex diseases.
  • Further research into identified molecular targets will elucidate endometriosis mechanisms and inform future treatment strategies.