Evidence map›Paper›PMID 15470492›Full record

ArticleLeukemia2004

TCRB gene rearrangements in childhood and adult precursor-B-ALL: frequency, applicability as MRD-PCR target, and stability between diagnosis and relapse.

V H J van der Velden, M Brüggemann, P G Hoogeveen, M de Bie, P G Hart, T Raff, H Pfeifer, S Lüschen, T Szczepański, E R van Wering and 2 more

Abstract read
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Article in Leukemia, 2004. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 26 papers.

0numbers the graph read from it
0cells of the map it votes in
26citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

26 citing papers in PubMed.

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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

12 authors.

V H J van der VeldenDepartment of Immunology, Erasmus MC, University Medical Center Rotterdam, Rotterdam, The Netherlands.
M Brüggemann
P G Hoogeveen
M de Bie
P G Hart
T Raff
H Pfeifer
S Lüschen
T Szczepański
E R van Wering
M Kneba
J J M van Dongen

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Using the multiplex PCR tubes of the BIOMED-2 Concerted Action, TCRB gene rearrangements were detected in 35% of childhood (n=161) and adult (n=172) precursor-B-ALL patients (Vbeta-(Dbeta)-Jbeta in 25%; Dbeta-Jbeta in 15%). The presence of TCRB rearrangements showed a significant relation with age (highest frequency of 46% between 5 and 10 years of age) and the presence of TEL-AML1 transcripts, and was associated with relatively high frequencies of IGK-Kde, TCRG, and Vdelta2-Jalpha rearrangements. In 62 out of 65 patients with Southern blot-detected Vbeta-(Dbeta)-Jbeta and/or Dbeta-Jbeta rearrangements, at least one TCRB gene rearrangement was detected by PCR. Based on combined Southern blot and PCR analysis, oligoclonal TCRB gene rearrangements were observed in only 12% of patients. Analysis of paired diagnosis and relapse samples (n=26) showed that 20 out of 24 (83%) Vbeta-(Dbeta)-Jbeta rearrangements and eight out of 14 (57%) Dbeta-Jbeta rearrangements remained stable. Using real-time quantitative PCR, a quantitative range < or =10(-4) was obtained in 64% of TCRB gene rearrangements and in 86% of cases a sensitivity < or =10(-4) was obtained. In conclusion, TCRB gene rearrangements occur in 35% of precursor-B-ALL patients and are relatively stable and sensitive PCR targets for detection of minimal residual disease, particularly if this concerns complete Vbeta-(Dbeta)-Jbeta rearrangements.

Indexed as

AdultBlotting, SouthernChildChild, PreschoolCore Binding Factor Alpha 2 SubunitETS Translocation Variant 6 ProteinGene Rearrangement, T-LymphocyteGenes, T-Cell Receptor betaHumansNeoplasm Recurrence, LocalNeoplasm, ResidualOncogene Proteins, FusionPrecursor B-Cell Lymphoblastic Leukemia-LymphomaReverse Transcriptase Polymerase Chain ReactionSensitivity and SpecificityCore Binding Factor Alpha 2 SubunitETS Translocation Variant 6 ProteinOncogene Proteins, FusionTEL-AML1 fusion protein

Identifiers

PMID15470492

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.