Exploiting the folate receptor α in oncology

Mariana Scaranti1,2, Elena Cojocaru1,2, Susana Banerjee1,2

  • 1The Institute of Cancer Research, London, UK.

Insights

Folate receptor alpha (FRα) is a promising anticancer target due to its overexpression in solid tumors. FRα-targeted therapies and imaging show potential for improved cancer treatment and patient outcomes.

Area of Science:

  • Oncology
  • Molecular Biology
  • Drug Development

Background:

  • Folate receptor alpha (FRα) is overexpressed in various solid tumors, including ovarian, lung, and breast cancers.
  • FRα-mediated folate uptake is a key cellular process exploited by cancer cells.
  • Traditional intracellular folate metabolism drugs exist, but FRα presents a distinct targeting opportunity.

Purpose of the Study:

  • To review the current research status of folate receptor alpha (FRα) in oncology.
  • To discuss the potential of FRα-targeted therapies and diagnostic tools in cancer treatment.
  • To highlight advancements in developing novel FRα-targeting agents.

Main Methods:

  • Review of existing literature and clinical trial data on FRα-targeted therapies.
  • Analysis of FRα's role in cancer cell uptake and its potential as a drug target.
  • Examination of emerging technologies for FRα-based drug delivery and imaging.

Main Results:

  • FRα overexpression in solid tumors makes it an attractive target for anticancer drugs.
  • Various platforms like antibody-drug conjugates and CAR T-cells are being developed to target FRα.
  • FRα also serves as a predictive biomarker and can be used for improved imaging and surgical guidance.

Conclusions:

  • FRα-targeted therapies, including those in late-phase clinical trials, hold significant promise for improving outcomes in FRα-overexpressing cancers.
  • New technologies are enabling the development of FRα-targeted agents with enhanced therapeutic indices.
  • The multifaceted role of FRα in cancer necessitates continued research for optimized therapeutic and diagnostic strategies.

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