Cell-Free DNA Sequencing Uncovers the Longitudinal Consequences of Temozolomide Treatment and Host Co-Culture in Glioblastoma
Sharvari Mankame, Hersh Nanda, Maria Kyriakidou, Mimi Mbegbu, Nanyun Tang, Michael Berens, Floris Barthel† 2025. bioRxiv. 2025

Abstract

KEY POINTS

  1. cfDNA yield and variant allele frequencies (VAFs) correlate with GBM tumor burden.
  2. cfDNA properties can be used to differentiate between cell types in a mixed population.
  3. TMZ treatment increases cfDNA yield and VAFs, reflecting treatment response.

IMPORTANCE OF THE STUDY