Patient-derived malignant pleural mesothelioma cell cultures: a tool to advance biomarker-driven treatments

Nikolaos I Kanellakis1,2,3,4, Rachelle Asciak5,2,4, Megat Abd Hamid6,7

  • 1Oxford Centre for Respiratory Medicine, Churchill Hospital, Oxford University Hospitals NHS Foundation Trust, Oxford, United Kingdom nikolaos.kanellakis@ndm.ox.ac.uk.

Thorax
|September 18, 2020
PubMed

Insights

Patient-derived cell cultures offer a new way to study malignant pleural mesothelioma (MPM), an aggressive cancer. These models show tumor diversity and drug responses, aiding research into better MPM treatments.

Area of Science:

  • Oncology
  • Cancer Biology
  • Immunology

Background:

  • Malignant pleural mesothelioma (MPM) is an aggressive cancer with a poor prognosis.
  • Existing models may not fully capture MPM's complexity and heterogeneity.

Purpose of the Study:

  • To evaluate the feasibility of using patient-derived cell cultures as an ex vivo model for MPM.
  • To assess the utility of these models in drug screening and immunotherapy research.

Main Methods:

  • Established and characterized 16 patient-derived MPM cell cultures.
  • Performed high-throughput drug screening and co-culture assays with cytotoxic T cells.
  • Investigated neoantigen processing and presentation capabilities.

Main Results:

  • MPM cell cultures demonstrated stemness features and reflected intra- and inter-patient heterogeneity.
  • Diverse drug responses and T cell interactions were observed in the cell cultures.
  • Biphasic MPM cells showed endogenous processing and presentation of the SSX-2 neoantigen.

Conclusions:

  • Patient-derived MPM cell cultures represent a feasible and faithful ex vivo model.
  • These models hold promise for advancing MPM research, drug development, and understanding treatment responses.

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