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Study Description

Ewing Sarcoma (EwS) is rare but the second most common cancer in children, adolescents and young adults. Recent studies suggest germline variation in or around GGAA microsatellites may interact with fusion oncoprotein binding causing changes in binding affinity and potentially impacting enhancer activity on nearby target genes. This study aims to better understand germline variation around EwS susceptibility regions by performing long-range haplotype sequencing of these regions using PacBio sequencing. Our analysis focused on characterizing variation in GGAA microsatellite length as well as germline variants in or around the microsatellite and their association with EwS risk.

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Study Inclusion/Exclusion Criteria

Blood-derived DNA samples of European ancestry Ewing sarcoma cases and ancestry-matched controls with PacBio circular consensus sequencing read data with accuracy greater than 99% and a minimum coverage depth of 15 reads after sequencing and mapping were included in the study.

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See research articles citing use of the data from this study
Study Attribution
  • Principal Investigator
    • Mitchell Machiela. National Cancer Institute, National Institutes of Health, Bethesda, MD, USA.