Optimization of small molecule degraders and antagonists for targeting estrogen receptor based on breast cancer:

Jiaqi Yao1,2, Yiran Tao3, Zelin Hu1,2

  • 1General Practice Ward/International Medical Center, General Practice Medical Center, West China Hospital, Sichuan University, Chengdu, Sichuan, China.

PubMed

Insights

Novel drugs targeting the estrogen receptor (ER) show promise for treating ER-positive breast cancer. Selective estrogen receptor degraders (SERDs) and covalent antagonists (SERCAs) offer new therapeutic avenues beyond traditional SERMs.

Area of Science:

  • Endocrinology
  • Oncology
  • Medicinal Chemistry

Background:

  • The estrogen receptor (ER) is vital in physiological processes and ER-positive (ER+) breast cancer.
  • ER-targeting therapies like Tamoxifen (a SERM) are established but face challenges like drug resistance and side effects.
  • Novel ER-targeting agents, SERDs and SERCAs, are emerging to overcome these limitations.

Purpose of the Study:

  • To review the structural functions of the estrogen receptor.
  • To highlight advancements in SERD and SERCA small molecule drugs.
  • To discuss therapeutic potential and future directions for ER-targeted therapies in breast cancer and other ER-related diseases.

Main Methods:

  • Comprehensive literature review of ER structure-function relationships.
  • Analysis of recent developments in SERD and SERCA small molecule drug design.
  • Discussion of clinical applications and challenges of novel ER-targeted agents.

Main Results:

  • ER plays a critical role in various tissues, including breast cancer.
  • SERDs and SERCAs demonstrate potential in overcoming resistance and side effects associated with SERMs.
  • Structural optimization strategies for SERDs and SERCAs are crucial for enhancing efficacy.

Conclusions:

  • Novel SERDs and SERCAs represent a significant advancement in ER-targeted therapy for breast cancer.
  • Further research into structural optimization and therapeutic applications is warranted.
  • These agents hold promise for treating various ER-related diseases beyond breast cancer.

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