Research Progress in Targeting GSPT1: Molecular Glues, Bifunctional Degraders, and Antibody-Enabled Molecular Glues

Binbin Cheng1,2, Yaping Wang2, Yimeng Hong2

  • 1Central Laboratory, Wenzhou Medical University Lishui Hospital, Lishui People's Hospital, Lishui, Zhejiang 323000, China.

PubMed

Insights

Targeting G1 to S phase transition 1 (GSPT1) protein degradation shows promise for treating acute myeloid leukemia and MYC-driven lung cancer. This review explores molecular glues and degraders for GSPT1, offering strategies for cancer therapy development.

Area of Science:

  • Oncology
  • Molecular Biology
  • Drug Discovery

Background:

  • G1 to S phase transition 1 (GSPT1), also known as eRF3a, is a key translation termination factor.
  • GSPT1 is implicated in the pathogenesis of acute myeloid leukemia (AML) and MYC-driven lung cancers.
  • Targeting GSPT1 for degradation presents a potential therapeutic strategy due to its role in cancer cell survival.

Purpose of the Study:

  • To review the mechanisms of molecular glues targeting GSPT1.
  • To summarize recent advancements and challenges in developing molecular glues, bifunctional degraders, and antibody-enabled molecular glues for GSPT1.
  • To outline strategies for developing GSPT1-targeted cancer therapies.

Main Methods:

  • Literature review of current research on GSPT1 molecular glues and degraders.
  • Analysis of existing therapeutic approaches and their limitations.
  • Exploration of future development strategies for GSPT1-targeted cancer treatment.

Main Results:

  • Molecular glues and bifunctional degraders are emerging as effective strategies to induce GSPT1 degradation.
  • Antibody-enabled molecular glues offer targeted delivery and enhanced efficacy.
  • Challenges include optimizing drug specificity, delivery, and overcoming resistance mechanisms.

Conclusions:

  • GSPT1 is a viable therapeutic target for AML and MYC-driven lung cancer.
  • Novel molecular glue and degrader technologies show significant potential for cancer treatment.
  • Further research and development are needed to translate these findings into effective clinical therapies.