Evidence map›Paper›PMID 9034151›Full record

ArticleThe Journal of experimental medicine1997

Induction of the early growth response (Egr) family of transcription factors during thymic selection.

H Shao, D H Kono, L Y Chen, E M Rubin, J Kaye

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of experimental medicine, 1997. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 49 papers.

0numbers the graph read from it
0cells of the map it votes in
49citing papers in PubMed
3.4field-weighted citation impact, top 6% of its field
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

49 citing papers in PubMed, 141 citations in OpenAlex.

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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

5 authors at 1 institution in 1 country.

H ShaoDepartment of Immunology, The Scripps Research Institute, La Jolla, California 92037, USA.
D H Kono
L Y Chen
E M Rubin
J Kaye
Scripps Research Institute · US

Funding

LINEAGE COMMITMENT DURING T CELL DEVELOPMENTR01AI031231 · NIAID · SCRIPPS RESEARCH INSTITUTE, THE · PI KAYE, JONATHAN G · 1996 to 2006
$1.8M
MODEL OF THYMIC POSITIVE SELECTIONR01AI033219 · NIAID · SCRIPPS RESEARCH INSTITUTE · PI KAYE, JONATHAN G · 1993 to 1999
–
T CELL DEVELOPMENT IN TRANSGENIC MICER29AI031231 · NIAID · SCRIPPS RESEARCH INSTITUTE · PI KAYE, JONATHAN G · 1990 to 1994
–
NIAID NIH HHS AI31231NIAID NIH HHS AI33219NIAID NIH HHS R01 AI031231
6 · The paper itself

Abstract

There is little known about the regulation of gene expression during TCR-mediated differentiation of immature CD4+8+ (double positive) thymocytes into mature T cells. Using the DPK CD4+8+ thymocyte precursor cell line, we demonstrate that the early growth response-1 gene (Erg-1), encoding a zinc finger transcription factor, is rapidly upregulated after TCR stimulation. We also report that Egr-1 is expressed by a subset of normal double positive thymocytes in the thymic cortex, as well by a majority of medullary single positive thymocytes. Expression of Egr-1 is dramatically reduced in the thymus of major histocompatibility complex knockout mice, but can be induced by anti-CD3 antibody stimulation of isolated thymocytes from these animals. These and other data suggest that high level expression of Egr-1 in the thymus is a consequence of selection. A similar pattern of expression is found for family members Egr-2 and Egr-3. Using the DPK cell line, we also demonstrate that expression of Egr-1, 2, and 3 is dependent upon ras activation, as is the initiation of differentiation to a single positive cell. In contrast, the calcineurin inhibitor cyclosporin A, which inhibits DPK cell differentiation as well as positive selection, inhibits expression of Egr-2 and Egr-3, but not Egr-1. The identification of the Egr family in this context represents the first report of a link between the two known signaling pathways involved in positive selection and downstream transcriptional regulators.

Indexed as

Immediate-Early ProteinsAnimalsCell LineCyclosporineDNA-Binding ProteinsEarly Growth Response Protein 1Gene Expression RegulationGenes, DominantMajor Histocompatibility ComplexMiceProto-Oncogene Proteins p21(ras)Receptors, Antigen, T-CellRNA, MessengerSignal TransductionThymus GlandTranscription FactorsCyclosporineDNA-Binding ProteinsEarly Growth Response Protein 1Egr1 protein, mouseImmediate-Early ProteinsProto-Oncogene Proteins p21(ras)Receptors, Antigen, T-CellRNA, MessengerTranscription Factors

Identifiers

PMID9034151
PMCPMC2196139
OpenAlexW2148964638

What OpenQuestion holds

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LicenceCC BY-NC-SA
Read underepoch 390

Registered trials

None linked

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.