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Review
. 2024 Jan 12;16(2):338.
doi: 10.3390/cancers16020338.

17q Gain in Neuroblastoma: A Review of Clinical and Biological Implications

Vid Mlakar  1 , Isabelle Dupanloup  1   2 , Fanny Gonzales  1   3 , Danai Papangelopoulou  1   3 , Marc Ansari  1   3 , Fabienne Gumy-Pause  1   3
Affiliations
Review

17q Gain in Neuroblastoma: A Review of Clinical and Biological Implications

Vid Mlakar et al. Cancers (Basel). .

Abstract

Neuroblastoma (NB) is the most frequent extracranial solid childhood tumor. Despite advances in the understanding and treatment of this disease, the prognosis in cases of high-risk NB is still poor. 17q gain has been shown to be the most frequent genomic alteration in NB. However, the significance of this remains unclear because of its high frequency and association with other genetic modifications, particularly segmental chromosomal aberrations, 1p and 11q deletions, and MYCN amplification, all of which are also associated with a poor clinical prognosis. This work reviewed the evidence on the clinical and biological significance of 17q gain. It strongly supports the significance of 17q gain in the development of NB and its importance as a clinically relevant marker. However, it is crucial to distinguish between whole and partial chromosome 17q gains. The most important breakpoints appear to be at 17q12 and 17q21. The former distinguishes between whole and partial chromosome 17q gain; the latter is a site of IGF2BP1 and NME1 genes that appear to be the main oncogenes responsible for the functional effects of 17q gain.

Keywords: 17q; BIRC5; IGF2BP1; NME1; gain; neuroblastoma.

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Conflict of interest statement

All authors declare no conflicts of interest.

Figures

Figure 1
Figure 1
Structure, gene locations, and frequency of breakpoints in neuroblastoma tumors.
Figure 2
Figure 2
The functions of the genes located on the 17q gain.
See this image and copyright information in PMC

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