Evidence map›Paper›PMID 11696602›Full record

ArticleThe Journal of experimental medicine2001

Most alpha/beta T cell receptor diversity is due to terminal deoxynucleotidyl transferase.

J P Cabaniols, N Fazilleau, A Casrouge, P Kourilsky, J M Kanellopoulos

Abstract read
In one paragraph

Article in The Journal of experimental medicine, 2001. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 83 papers.

0numbers the graph read from it
0cells of the map it votes in
83citing 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

83 citing papers in PubMed.

  1. Article
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  6. Review
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  12. Review
  13. Article
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  20. Review

23 more citing papers are in PubMed but not listed here.

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

5 authors.

J P CabaniolsUnité de Biologie Moléculaire du Gène, Institut National de la Sante et de la Recherche Medicale U277, Institut Pasteur, 75 724 Paris, France.
N Fazilleau
A Casrouge
P Kourilsky
J M Kanellopoulos

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The contribution of template-independent nucleotide addition to antigen receptor diversity is unknown. We therefore determined the size of the T cell receptor (TCR)alpha/beta repertoire in mice bearing a null mutation on both alleles of the terminal deoxynucleotidyl transferase (Tdt) gene. We used a method based upon polymerase chain reaction amplification and exhaustive sequencing of various AV-AJ and BV-BJ combinations. In both wild-type and Tdt degrees / degrees mice, TCRAV diversity is one order of magnitude lower than the TCRBV diversity. In Tdt degrees / degrees animals, TCRBV chain diversity is reduced 10-fold compared with wild-type mice. In addition, in Tdt degrees / degrees mice, one BV chain can associate with three to four AV chains as in wild-type mice. The alpha/beta repertoire size in Tdt degrees / degrees mice is estimated to be 10(5) distinct receptors, approximately 5-10% of that calculated for wild-type mice. Thus, while Tdt activity is not involved in the combinatorial diversity resulting from alpha/beta pairing, it contributes to at least 90% of TCRalpha/beta diversity.

Indexed as

Genes, T-Cell Receptor alphaGenes, T-Cell Receptor betaAnimalsDNA NucleotidylexotransferaseMiceMice, Inbred C57BLMice, KnockoutReceptors, Antigen, T-Cell, alpha-betaT-LymphocytesDNA NucleotidylexotransferaseReceptors, Antigen, T-Cell, alpha-beta

Identifiers

PMID11696602
PMCPMC2195970

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Registered trials

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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.