Evolving techniques for gene fusion detection in soft tissue tumours.

Mertens, FredrikLund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine (författare)

Chromosomal rearrangements resulting in the fusion of coding parts from two genes or in the exchange of regulatory sequences are present in approximately 20% of all human neoplasms. More than 1000 such gene fusions have now been described, with close to 100 of them in soft tissue tumours. Although little is still known about the functional outcome of many of these gene fusions, it is well established that most of them have a major impact on tumorigenesis. Furthermore, the strong association between type of gene fusion and morphological subtype makes them highly useful diagnostic markers. Until recently, the vast majority of gene fusions were identified through molecular cytogenetic characterization of rearrangements detected at chromosome banding analysis, followed by use of the reverse transcriptase-polymerase chain reaction (RT-PCR) and Sanger sequencing. With the advent of next-generation sequencing (NGS) technologies, notably of whole transcriptomes or all poly-A(+) mRNA molecules, the possibility of detecting new gene fusions has increased dramatically. Already, a large number of novel gene fusions have been identified through NGS approaches and it can be predicted that these technologies soon will become standard diagnostic clinical tools.

Tayebwa, JohnboscoLund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine(Swepub:lu)med-jta (författare)
Avdelningen för klinisk genetikInstitutionen för laboratoriemedicin (creator_code:org_t)

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