作者: Nicholas D. Socci , Richard Koche , Elisa de Stanchina , Amy Eisenberg , Kanika Arora
DOI: 10.1101/111138
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摘要: Genomic rearrangements are a hallmark of childhood solid tumors, but their mutational causes remain poorly understood. Here, we identify the piggyBac transposable element derived 5 (PGBD5) gene as an enzymatically active human DNA transposase expressed in majority rhabdoid lethal cancer. Using assembly-based whole-genome sequencing, observed previously unknown somatic genomic primary tumors. These were characterized by deletions and inversions involving PGBD5-specific signal (PSS) sequences at breakpoints, with some recurrently targeting tumor suppressor genes, leading to inactivation. PGBD5 was found be physically associated PSS that also sufficient mediate PGBD5-induced cells. We ectopic expression immortalized cells promote penetrant cell transformation vitro immunodeficient mice vivo. This activity required specific catalytic residues domain, well end-joining repair, induced distinct structural rearrangements, PSS-associated similar those defines oncogenic mutator provides plausible mechanism for site adult