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Udgivet

Feasibility of monitoring peripheral blood to detect emerging clones in children with acute lymphoblastic leukemia†

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

DOI

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  2. Selection criteria for assembling a pediatric cancer predisposition syndrome gene panel

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Vis graf over relationer

Relapse-enriched somatic variants drive drug resistance in childhood acute lymphoblastic leukemia. We used digital droplet-based polymerase chain reaction to establish whether relapse-enriched mutations in emerging subclones could be detected in peripheral blood samples before frank relapse. Although limitations in sensitivity for some probes hindered detection of certain variants, we successfully detected variants in NT5C2 and PRPS1 at a fractional abundance of 0.005% to 0.3%, 41 to 116 days before relapse. As mutations in both these genes confer resistance to thiopurines, early detection protocols using peripheral blood could be implemented to preemptively alter maintenance therapy to extinguish resistant clones before overt relapse.

OriginalsprogEngelsk
TidsskriftPediatric Blood & Cancer
Vol/bind67
Udgave nummer7
Sider (fra-til)e28306
ISSN1545-5009
DOI
StatusUdgivet - jul. 2020

Bibliografisk note

© 2020 Wiley Periodicals, Inc.

ID: 62070214