Gosenca, Darko, Kellert, Beate, Metzgeroth, Georgia, Haferlach, Claudia, Fabarius, Alice, Schwaab, Juliana, Kneba, Michael, Scheid, Christof, Toepelt, Karin, Erben, Philipp ORCID: 0000-0002-8279-7636, Haferlach, Torsten, Cross, Nicholas C. P., Hofmann, Wolf-Karsten, Seifarth, Wolfgang and Reiter, Andreas (2014). Identification and functional characterization of imatinib-sensitive DTD1-PDGFRB and CCDC88C-PDGFRB fusion genes in eosinophilia-associated myeloid/lymphoid neoplasms. Gene Chromosomes Cancer, 53 (5). S. 411 - 422. HOBOKEN: WILEY. ISSN 1098-2264

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Abstract

Eosinophilia-associated myeloid neoplasms with rearrangement of chromosome bands 5q31-33 are frequently associated with PDGFRB fusion genes, which are exquisitely sensitive to treatment with imatinib. In search for novel fusion partners of PDGFRB, we analyzed three cases with translocation t(5;20)(q33;p11), t(5;14)(q33;q32), and t(5;17;14)(q33;q11;q32) by 5 '-rapid amplification of cDNA ends polymerase chain reaction (5 '-RACE-PCR) and DNA-based long-distance inverse PCR (LDI-PCR) with primers derived from PDGFRB. LDI-PCR revealed a fusion between CCDC88C exon 25 and PDGFRB exon 11 in the case with t(5;17;14)(q33;q11;q32) while 5 '-RACE-PCR identified fusions between CCDC88C exon 10 and PDGFRB exon 12 and between DTD1 exon 4 and PDGFRB exon 12 in the cases with t(5;14)(q33;q32) and t(5;20)(q33;p11), respectively. The PDGFRB tyrosine-kinase domain is predicted to be retained in all three fusion proteins. The partner proteins contained coiled-coil domains or other domains, which putatively lead to constitutive activation of the PDGFRB fusion protein. In vitro functional analyses confirmed transforming activity and imatinib-sensitivity of the fusion proteins. All three patients achieved rapid and durable complete hematologic remissions on imatinib. (c) 2014 Wiley Periodicals, Inc.

Item Type: Journal Article
Creators:
CreatorsEmailORCIDORCID Put Code
Gosenca, DarkoUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kellert, BeateUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Metzgeroth, GeorgiaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Haferlach, ClaudiaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Fabarius, AliceUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Schwaab, JulianaUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Kneba, MichaelUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Scheid, ChristofUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Toepelt, KarinUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Erben, PhilippUNSPECIFIEDorcid.org/0000-0002-8279-7636UNSPECIFIED
Haferlach, TorstenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Cross, Nicholas C. P.UNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Hofmann, Wolf-KarstenUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Seifarth, WolfgangUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Reiter, AndreasUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
URN: urn:nbn:de:hbz:38-440349
DOI: 10.1002/gcc.22153
Journal or Publication Title: Gene Chromosomes Cancer
Volume: 53
Number: 5
Page Range: S. 411 - 422
Date: 2014
Publisher: WILEY
Place of Publication: HOBOKEN
ISSN: 1098-2264
Language: English
Faculty: Unspecified
Divisions: Unspecified
Subjects: no entry
Uncontrolled Keywords:
KeywordsLanguage
CHRONIC MYELOMONOCYTIC LEUKEMIA; TEL/PDGF-BETA-R; PROTEIN; PDGFRB; GROWTH; PROLIFERATION; ABNORMALITIES; ETV6-PDGFRB; INHIBITION; MUTATIONSMultiple languages
Oncology; Genetics & HeredityMultiple languages
URI: http://kups.ub.uni-koeln.de/id/eprint/44034

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