CD30 is a potential therapeutic target in malignant mesothelioma

Snehal Dabir1, Adam Kresak2, Michael Yang2

  • 1Division of Hematology and Oncology, Case Comprehensive Cancer Center and University Hospitals Case Medical Center, Cleveland, Ohio.

Insights

CD30 antigen is present in a subset of malignant mesothelioma tumors. This finding suggests that some mesothelioma patients could benefit from brentuximab vedotin treatment targeting CD30.

Area of Science:

  • Oncology
  • Immunology

Background:

  • CD30 is a cytokine receptor in the TNF superfamily, crucial for apoptosis regulation.
  • CD30 antigen expression is vital for diagnosing Hodgkin disease and anaplastic large cell lymphoma.
  • Sporadic CD30 expression has been reported in non-lymphoid tumors, including malignant mesothelioma.

Purpose of the Study:

  • To determine the incidence of CD30 expression in mesothelioma.
  • To investigate the potential of targeting CD30 in mesothelioma using brentuximab vedotin.

Main Methods:

  • Immunohistochemistry (IHC) was used to examine CD30 expression in 83 mesothelioma tumor specimens.
  • FACS analysis and confocal microscopy assessed CD30 expression in four mesothelioma cell lines.
  • Mesothelioma cell lines were treated with brentuximab vedotin to evaluate its effect on cell growth and viability.

Main Results:

  • CD30 expression was detected in 13 out of 83 mesothelioma specimens (15.7%), predominantly in epithelial histology.
  • No significant correlation was found between CD30 positivity and tumor grade, stage, or patient survival.
  • Brentuximab vedotin demonstrated a dose-dependent reduction in mesothelioma cell growth and viability at clinically relevant concentrations.

Conclusions:

  • CD30 antigen is present in a subgroup of epithelial malignant mesothelioma.
  • Targeting CD30 with brentuximab vedotin shows promise for treating selected mesothelioma patients.
  • Further investigation is warranted to explore brentuximab vedotin as a therapeutic option for mesothelioma.