Abstract:
:Immunoglobulin kappa (Igkappa) gene recombinations can be used - similarly to IgH rearrangements - as clonal markers in B-lineage leukaemias. Based on the extensive junctional diversity, these rearrangements represent valuable targets for the analysis of minimal residual disease (MRD). In order to provide a simple method for the rapid detection of leukaemia clone-specific kappa deleting element (Kde) mediated rearrangements, we developed a multiplex PCR reaction that is able to amplify the five most frequent rearrangements in one tube. Position of the amplimers were chosen to enable identification of the involved segments according to the size of the PCR product. This method was tested on 101 B-lineage leukaemias (71 childhood B-cell precursor acute lymphoblastic leukaemias (BCP ALL) and 30 chronic lymphocytic leukaemias (CLL)). 39 and 22 Kde rearrangements could be readily detected in 30 (44%) BCP ALL and 22 (56%) CLL, respectively. 36% of the Kde rearrangements in BCP ALL and 45% in CLL were intron recombination signal sequence (RSS)-Kde rearrangements. The other Kde rearrangements involved the Vkappa families: VkappaI in 36% and 50%, VkappaII in 32% and 16.7%, VkappaIII in 24% and 25%, and VkappaIV in 8% and 8.3% in BCP ALL and CLL, respectively. The sensitivity of the multiplex system was 10-2-10-3. We compared this multiplex PCR assay with multiple single PCR reactions using different sets of primer combinations. Thereby the number and types of rearrangements were confirmed in all cases. Clonality of rearrangements was proven by sequence analysis. Our data show that by this method clonal Kde rearrangements were rapidly detected and precisely identified.
journal_name
Br J Haematoljournal_title
British journal of haematologyauthors
Stolz F,Panzer S,Panzer-Grümayer ERdoi
10.1046/j.1365-2141.1999.01557.xsubject
Has Abstractpub_date
1999-08-01 00:00:00pages
486-90issue
2eissn
0007-1048issn
1365-2141pii
bjh1557journal_volume
106pub_type
杂志文章abstract::The 32 kD lipid-raft-associated membrane protein 'stomatin' is deficient from the erythrocyte membrane in the Na+-K+ leaky haemolytic anaemia, overhydrated hereditary stomatocytosis (OHSt). To date, no mutation in the gene coding for this protein has so far been found in OHSt. In this study, we have analysed the distr...
journal_title:British journal of haematology
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abstract::Non-endemic Burkitt lymphoma (BL) is a rare germinal centre B-cell-derived malignancy with the genetic hallmark of MYC gene translocation and with rapid tumour growth as a distinct clinical feature. To investigate treatment outcomes, loss of lifetime and relapse risk in adult BL patients treated with intensive immunoc...
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.1993.tb08667.x
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journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/j.1365-2141.2006.06223.x
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journal_title:British journal of haematology
pub_type: 杂志文章
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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pub_type: 杂志文章
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更新日期:2001-03-01 00:00:00
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journal_title:British journal of haematology
pub_type: 杂志文章
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更新日期:2020-11-18 00:00:00
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
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journal_title:British journal of haematology
pub_type: 杂志文章
doi:10.1111/bjh.13823
更新日期:2016-01-01 00:00:00
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pub_type: 杂志文章,多中心研究
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更新日期:2008-03-01 00:00:00
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journal_title:British journal of haematology
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