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A novel and cytogen...
A novel and cytogenetically cryptic t(7;21)(p22;q22) in acute myeloid leukemia results in fusion of RUNX1 with the ubiquitin-specific protease gene USP42
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- Paulsson, Kajsa (författare)
- Lund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine
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- Békássy, Albert (författare)
- Lund University,Lunds universitet,Pediatrik, Lund,Sektion V,Institutionen för kliniska vetenskaper, Lund,Medicinska fakulteten,Paediatrics (Lund),Section V,Department of Clinical Sciences, Lund,Faculty of Medicine
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- Olofsson, Tor (författare)
- Lund University,Lunds universitet,Avdelningen för hematologi och transfusionsmedicin,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Hematology and Transfusion Medicine,Department of Laboratory Medicine,Faculty of Medicine
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- Mitelman, Felix (författare)
- Lund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine
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- Johansson, Bertil (författare)
- Lund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine
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- Panagopoulos, Ioannis (författare)
- Lund University,Lunds universitet,Avdelningen för klinisk genetik,Institutionen för laboratoriemedicin,Medicinska fakulteten,Division of Clinical Genetics,Department of Laboratory Medicine,Faculty of Medicine
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(creator_code:org_t)
- 2005-12-15
- 2006
- Engelska.
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Ingår i: Leukemia. - : Springer Science and Business Media LLC. - 1476-5551 .- 0887-6924. ; 20:2, s. 224-229
- Relaterad länk:
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http://www.ncbi.nlm....
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http://dx.doi.org/10...
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https://www.nature.c...
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https://lup.lub.lu.s...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Although many of the chromosomal abnormalities in hematologic malignancies are identifiable cytogenetically, some are only detectable using molecular methods. We describe a novel cryptic t(7;21)(p22;q22) in acute myeloid leukemia (AML). FISH, 3'RACE, and RT-PCR revealed a fusion involving RUNX1 and the ubiquitin-specific protease (USP) gene USP42. The genomic breakpoint was in intron 7 of RUNX1 and intron 1 of USP42. The reciprocal chimera was not detected - neither on the transcriptional nor on the genomic level - and FISH showed that the 50 part of USP42 was deleted. USP42 maps to a 7p22 region characterized by segmental duplications. Notably, 17 kb duplicons are present 1Mb proximal to USP42 and 3Mb proximal to RUNX1; these may be important in the genesis of t(7; 21). This is the second cryptic RUNX1 translocation in hematologic malignancies and the first in AML. The USPs have not previously been reported to be rearranged in leukemias. The cellular context in which USP42 is active is unknown, but we here show that it is expressed in normal bone marrow, in primary AMLs, and in cancer cell lines. Its involvement in the t(7; 21) suggests that deregulation of ubiquitin-associated pathways may be pathogenetically important in AML.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Cancer and Oncology (hsv//eng)
Nyckelord
- RUNX1
- USP42
- acute myeloid leukemia
- cryptic translocation
Publikations- och innehållstyp
- art (ämneskategori)
- ref (ämneskategori)
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Leukemia
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