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  • Thörn, IngridUppsala universitet,Institutionen för genetik och patologi (author)

Applicability of IG/TCR gene rearrangements as targets for minimal residual disease assessment in a population-based cohort of Swedish childhood acute lymphoblastic leukaemia diagnosed 2002-2006.

  • Article/chapterEnglish2010

Publisher, publication year, extent ...

  • Wiley,2010

Numbers

  • LIBRIS-ID:oai:gup.ub.gu.se/116899
  • https://gup.ub.gu.se/publication/116899URI
  • https://doi.org/10.1111/j.1600-0609.2009.01374.xDOI
  • https://lup.lub.lu.se/record/1533771URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-35055URI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-121109URI
  • http://kipublications.ki.se/Default.aspx?queryparsed=id:119817404URI

Supplementary language notes

  • Language:English

Part of subdatabase

Classification

  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Minimal residual disease (MRD) detection during the early treatment phase has become an important stratification parameter in many childhood acute lymphoblastic leukaemia (ALL) treatment protocols. Here, we aimed to address the applicability of rearranged antigen-receptor genes as potential MRD markers using real-time quantitative polymerase chain reaction (RQ-PCR) in a Swedish population-based cohort. From 334 childhood ALL cases diagnosed during 2002-2006, we analysed 279 diagnostic samples (84%) by screening for rearranged immunoglobulin (IG) and T-cell receptor (TCR) genes. Allele-specific oligonucleotides were designed, and the sensitivity and quantitative level was determined for each target. Overall, clonal IG/TCR rearrangements were detected in 97% (236/244) of B-cell precursor ALL (BCP ALL) and 94% (33/35) of T-ALL. A sensitive RQ-PCR analysis (< or = 10(-4)) was obtained in 89% (216/244) of BCP ALL and in 74% (26/35) of T-ALL, whereas two sensitive targets were only available in 47% (115/244) of BCP ALL and 29% (10/35) of T-ALL cases. With the stratification threshold of > or = 10(-3), which is applied in the current Nordic treatment protocol (NOPHO-ALL 2008) for the identification of high-risk patients, 93% of BCP ALL and 86% of T-ALL reached this quantitative range by at least one target gene. Taken together, this national retrospective study demonstrates that an IG/TCR target for MRD monitoring can be identified in the majority of childhood ALL cases, whereas identification of a second sensitive target gene needs to be improved.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Forestier, ErikUmeå universitet,Pediatrik(Swepub:umu)erfo0007 (author)
  • Thuresson, BrittLund 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(Swepub:lu)tran-bth (author)
  • Wasslavik, CarinaGothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för klinisk kemi och transfusionsmedicin,Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine(Swepub:gu)xwacar (author)
  • Malec, Maria (author)
  • Li, AihongUmeå universitet,Klinisk kemi(Swepub:umu)liai0001 (author)
  • Lindström-Eriksson, Elenor (author)
  • Botling, JohanUppsala universitet,Institutionen för genetik och patologi(Swepub:uu)johanbot (author)
  • Barbany, GiselaKarolinska Institutet,Uppsala universitet,Institutionen för genetik och patologi (author)
  • Jacobsson, Stefan,1951Gothenburg University,Göteborgs universitet,Institutionen för biomedicin, avdelningen för klinisk kemi och transfusionsmedicin,Institute of Biomedicine, Department of Clinical Chemistry and Transfusion Medicine(Swepub:gu)xjacst (author)
  • Olofsson, TorLund 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(Swepub:lu)efor-tol (author)
  • Porwit, AnnaKarolinska Institutet (author)
  • Sundström, ChristerUppsala universitet,Institutionen för genetik och patologi(Swepub:uu)chrisund (author)
  • Rosenquist, RichardUppsala universitet,Institutionen för genetik och patologi(Swepub:uu)richrose (author)
  • Uppsala universitetInstitutionen för genetik och patologi (creator_code:org_t)

Related titles

  • In:European journal of haematology: Wiley84:2, s. 117-271600-06090902-4441

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