Evidence map›Paper›PMID 12446783›Full record

ArticleMolecular and cellular biology2002

Signal-transducing adaptor molecules STAM1 and STAM2 are required for T-cell development and survival.

Mitsuhiro Yamada, Naoto Ishii, Hironobu Asao, Kazuko Murata, Chieko Kanazawa, Hidetada Sasaki, Kazuo Sugamura

Open access · greenAbstract read
In one paragraph

Article in Molecular and cellular biology, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
0.9field-weighted citation impact, top 26% 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

20 citing papers in PubMed, 51 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

7 authors at 2 institutions in 1 country.

Mitsuhiro YamadaDepartment of Microbiology and Immunology, Tohoku University School of Medicine, Sendai 980-8575, Japan.
Naoto Ishii
Hironobu Asao
Kazuko Murata
Chieko Kanazawa
Hidetada Sasaki
Kazuo Sugamura
Japan Science and Technology Agency · JPTohoku University · JP

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We previously reported that the STAM family members STAM1 and STAM2 are phosphorylated on tyrosine upon stimulation with cytokines through the gammac-Jak3 signaling pathway, which is essential for T-cell development. Mice with targeted mutations in either STAM1 or STAM2 show no abnormality in T-cell development, and mice with double mutations for STAM1 and STAM2 are embryonically lethal; therefore, here we generated mice with T-cell-specific double mutations for STAM1 and STAM2 using the Cre/loxP system. These STAM1(-/-) STAM2(-/-) mice showed a significant reduction in thymocytes and a profound reduction in peripheral mature T cells. In proliferation assays, thymocytes derived from the double mutant mice showed a defective response to T-cell-receptor (TCR) stimulation by antibodies and/or cytokines, interleukin-2 (IL-2) and IL-7. However, signaling events downstream of receptors for IL-2 and IL-7, such as activations of STAT5, extracellular signal-regulated kinase (ERK), and protein kinase B (PKB)/Akt, and c-myc induction, were normal in the double mutant thymocytes. Upon TCR-mediated stimulation, prolonged activations of p38 mitogen-activated protein kinase and Jun N-terminal protein kinase were seen, but activations of ERK, PKB/Akt, and intracellular calcium flux were normal in the double mutant thymocytes. When the cell viability of cultured thymocytes was assessed, the double mutant thymocytes died more quickly than controls. These results demonstrate that the STAMs are indispensably involved in T-cell development and survival in the thymus through the prevention of apoptosis but are dispensable for the proximal signaling of TCR and cytokine receptors.

Indexed as

Adaptor Proteins, Signal TransducingAnimalsCell SurvivalEndosomal Sorting Complexes Required for TransportFlow CytometryGene TargetingIn Situ Nick-End LabelingInterleukin-2Interleukin-7MiceMice, KnockoutMutationPhosphoproteinsProto-Oncogene Proteins c-bcl-2Proto-Oncogene Proteins c-mycReceptors, Antigen, T-CellAdaptor Proteins, Signal TransducingEndosomal Sorting Complexes Required for TransportInterleukin-2Interleukin-7PhosphoproteinsProto-Oncogene Proteins c-bcl-2Proto-Oncogene Proteins c-mycReceptors, Antigen, T-CellReceptors, CytokineStam2 protein, mouseStam protein, mouse

Identifiers

PMID12446783
PMCPMC139881
OpenAlexW2104230327

What OpenQuestion holds

Textmetadata
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.