Early separation and parallel clonal selection of dedifferentiated and well-differentiated components in dedifferentiated liposarcoma.

ABSTRACT: Dedifferentiated liposarcoma (DDLPS) comprises a high-grade dedifferentiated (DD) component and a juxtaposed well-differentiated (WD) component. The DD component is believed to originate from the WD component by acquiring additional genomic alterations. In this study, we performed multiregion genome, epigenome, and transcriptome analyses of three patients with DDLPS. In two patients, there were few common genomic alterations across all samples, but many common alterations within DD or WD component samples. Phylogenetic trees predicted from the genomic alterations were consistent with those predicted from DNA methylation patterns. The expression patterns of adipogenesis-related genes differed between DD and WD components and also among patients in connection with their CpG island methylatio

SUBMITTER: Sekita T 

PROVIDER: S-EPMC11626829 | biostudies-literature | 2024 Nov

REPOSITORIES: biostudies-literature