Evidence map›Paper›PMID 20237289›Full record

ArticleJournal of immunology (Baltimore, Md. : 1950)2010

Disrupting the intermolecular self-association of Itk enhances T cell signaling.

Lie Min, Wenfang Wu, Raji E Joseph, D Bruce Fulton, Leslie Berg, Amy H Andreotti

Open access · bronzeAbstract read
In one paragraph

Article in Journal of immunology (Baltimore, Md. : 1950), 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.

0numbers the graph read from it
0cells of the map it votes in
9citing papers in PubMed
1.2field-weighted citation impact, top 23% 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

9 citing papers in PubMed, 16 citations in OpenAlex.

  1. Article
  2. Review
  3. Article
  4. Article
  5. Structure of the interleukin-2 tyrosine kinase Src homology 2 domain; comparison between X-ray and NMR-derived structures.Acta crystallographica. Section F, Structural biology and crystallization communications · 2012
    Article
  6. Article
  7. Article
  8. Itk: the rheostat of the T cell response.Journal of signal transduction · 2011
    Article
  9. T-cell signaling regulated by the Tec family kinase, Itk.Cold Spring Harbor perspectives in biology · 2010
    Review
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

6 authors at 2 institutions in 1 country.

Lie MinDepartment of Biochemistry, Iowa State University, Ames, IA 50011, USA.
Wenfang Wu
Raji E Joseph
D Bruce Fulton
Leslie Berg
Amy H Andreotti
Iowa State University · USUniversity of Massachusetts Chan Medical School · US

Funding

PILOT AND FEASIBILITY PROGRAMP30DK032520 · NIDDK · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI CZECH, MICHAEL P · 1986 to 2010
$14.6M
STRUCTURAL STUDIES OF A T CELL SPECIFIC TYROSINE KINASER01AI043957 · NIAID · IOWA STATE UNIVERSITY · PI AMY H ANDREOTTI, LESLIE JOAN BERG · 1999 to 2026
$9.5M
Tec family tyrosine kinases in T cell signalingR01AI037584 · NIAID · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI BERG, LESLIE JOAN · 1995 to 2009
$2.8M
Regulation of T Cell Signaling: Structural Studies of PLCgamma1R01AI075150 · NIAID · IOWA STATE UNIVERSITY · PI ANDREOTTI, AMY H · 2008 to 2012
$1.6M
Regulation of conventional versus innate CD8+ T cell developmentR01AI084987 · NIAID · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI BERG, LESLIE JOAN · 2010 to 2013
$1.6M
Tec Kinases ltk and RlK in Mast Cell SignalingR01AI066118 · NIAID · UNIV OF MASSACHUSETTS MED SCH WORCESTER · PI BERG, LESLIE JOAN · 2006 to 2009
$1.6M
NIAID NIH HHS AI075150NIAID NIH HHS AI37584NIAID NIH HHS AI43957NIAID NIH HHS AI66118NIAID NIH HHS R01 AI037584NIAID NIH HHS R01 AI043957NIAID NIH HHS R01 AI066118NIAID NIH HHS R01 AI075150NIAID NIH HHS R01 AI084987NIDDK NIH HHS DK32520NIDDK NIH HHS P30 DK032520
6 · The paper itself

Abstract

The Tec family tyrosine kinase (Itk), is a key component of the TCR signaling pathway. Biochemical studies have shown that Itk activation requires recruitment of Itk to the membrane via its pleckstrin homology domain, phosphorylation of Itk by the Src kinase, Lck, and binding of Itk to the SLP-76/LAT adapter complex. However, the regulation of Itk enzymatic activity by Itk domain interactions is not yet well understood. In this study, we show that full-length Itk self-associates in an intermolecular fashion. Using this information, we have designed an Itk variant that exhibits reduced self-association but maintains normal binding to exogenous ligands via each of its regulatory domains. When expressed in insect cells, the Itk substrate phospholipase Cgamma1 is phosphorylated more efficiently by the Itk variant than by wild-type Itk. Furthermore, expression of the Itk variant in primary murine T cells induced higher ERK activation and increased calcium flux following TCR stimulation compared with that of wild-type Itk. Our results indicate that the Tec kinase Itk is negatively regulated by intermolecular clustering and that disruption of this clustering leads to increased Itk kinase activity following TCR stimulation.

Indexed as

Models, ImmunologicalAnimalsBaculoviridaeCD4-Positive T-LymphocytesCell DifferentiationCell LineageDown-RegulationEnzyme ActivationGenetic VectorsMiceNIH 3T3 CellsPoint MutationProtein-Tyrosine KinasesReceptors, Antigen, T-CellSignal TransductionSpodopteraemt protein-tyrosine kinaseProtein-Tyrosine KinasesReceptors, Antigen, T-Cell

Identifiers

PMID20237289
PMCPMC3066017
OpenAlexW1902084469

What OpenQuestion holds

Textmetadata
LicenceTDM
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.