Expression of Potential Antibody-Drug Conjugate Targets in Cervical Cancer

Michael R Mallmann1,2,3,4, Sina Tamir4, Katharina Alfter4

  • 1Faculty of Medicine, University of Cologne, 50931 Cologne, Germany.

Cancers
|May 11, 2024
PubMed

Insights

This study identifies TROP2, CEACAM5, and CD138 as promising targets for antibody-drug conjugates (ADCs) in advanced cervical cancer. These targets show high expression, supporting their use in future clinical trials for recurrent cervical cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Immunotherapy

Background:

  • Advanced and recurrent cervical cancer present a significant unmet clinical need for new treatments.
  • Antibody-drug conjugates (ADCs) are emerging as a promising therapeutic strategy, targeting cancer-specific cell membrane-bound molecules.
  • Identifying novel ADC targets is crucial for improving treatment outcomes.

Purpose of the Study:

  • To evaluate the expression of ten potential antibody-drug conjugate (ADC) targets at the gene and protein levels in cervical cancer.
  • To identify suitable ADC targets for clinical research in advanced and recurrent cervical cancer.
  • To provide data to guide the development of future ADC-based therapies.

Main Methods:

  • Gene expression analysis was performed for ten potential ADC targets: TROP2, mesotheline, CEACAM5, DLL3, folate receptor alpha, guanylatcyclase, glycoprotein NMB, CD56, CD70, and CD138.
  • Protein expression analysis was conducted for the top three identified ADC targets: TROP2, CEACAM5, and CD138.
  • Cervical cancer samples were analyzed to quantify target expression levels.

Main Results:

  • TROP2 demonstrated high expression in 98.5% of cervical cancer samples.
  • CEACAM5 was found to be expressed in 68.7% of samples, with 34.3% showing moderate to high expression.
  • CD138 was positive in 73.1% of samples, with 38.8% exhibiting moderate to high expression.

Conclusions:

  • TROP2, CEACAM5, and CD138 are identified as suitable targets for antibody-drug conjugate (ADC) development in cervical cancer.
  • The high expression rates of these targets support their further investigation in clinical trials.
  • This research provides valuable data to inform the design of future ADC therapies for patients with advanced and recurrent cervical cancer.