Evidence map›Paper›PMID 12208881›Full record

ArticleThe Journal of experimental medicine2002

Crosstalk between BCR/ABL oncoprotein and CXCR4 signaling through a Src family kinase in human leukemia cells.

Andrzej Ptasznik, Elzbieta Urbanowska, Suneetha Chinta, Melinda A Costa, Benjamin A Katz, Marisha A Stanislaus, Gokhan Demir, Diana Linnekin, Zhixing K Pan, Alan M Gewirtz

Open access · bronzeAbstract read
In one paragraph

Article in The Journal of experimental medicine, 2002. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 36 papers.

0numbers the graph read from it
0cells of the map it votes in
36citing papers in PubMed
3.3field-weighted citation impact, top 7% 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

36 citing papers in PubMed, 104 citations in OpenAlex.

  1. Article
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  6. Essential Role of Lyn in Fibrosis.Frontiers in physiology · 2016
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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

10 authors at 4 institutions in 2 countries.

Andrzej PtasznikDivision of Hematology/Oncology, University of Pennsylvania School of Medicine, Philadelphia, PA 19104-6100, USA. andrzejp2@cs.com
Elzbieta Urbanowska
Suneetha Chinta
Melinda A Costa
Benjamin A Katz
Marisha A Stanislaus
Gokhan Demir
Diana Linnekin
Zhixing K Pan
Alan M Gewirtz
University of Pennsylvania · USMedical University of Warsaw · PLNational Cancer Institute · USScripps Research Institute · US

Funding

STEM CELL RENEWAL AND LINEAGE COMMITMENTP01DK052558 · NIDDK · UNIVERSITY OF PENNSYLVANIA · PI KADESCH, THOMAS · 1998 to 2002
$3.3M
NIDDK NIH HHS 1P01DK52558-03
6 · The paper itself

Abstract

Stromal-derived factor (SDF)-1 and its G protein-coupled receptor, CXCR4, regulate stem/progenitor cell migration and retention in the marrow and are required for hematopoiesis. We show here an interaction between CXCR4 and the Src-related kinase, Lyn, in normal progenitors. We demonstrate that CXCR4-dependent stimulation of Lyn is associated with the activation of phosphatidylinositol 3-kinase (PI3-kinase). This chemokine signaling, which involves a Src-related kinase and PI3-kinase, appears to be a target for BCR/ABL, a fusion oncoprotein expressed only in leukemia cells. We show that the binding of phosphorylated BCR/ABL to Lyn results in the constitutive activation of Lyn and PI3-kinase, along with a total loss of responsiveness of these kinases to SDF-1 stimulation. Inhibition of BCR/ABL tyrosine kinase with STI571 restores Lyn responsiveness to SDF-1 signaling. Thus, BCR/ABL perturbs Lyn function through a tyrosine kinase-dependent mechanism. Accordingly, the blockade of Lyn tyrosine kinase inhibits both BCR/ABL-dependent and CXCR4-dependent cell movements. Our results demonstrate, for the first time, that Lyn-mediated pathological crosstalk exists between BCR/ABL and the CXCR4 pathway in leukemia cells, which disrupts chemokine signaling and chemotaxis, and increases the ability of immature cells to escape from the marrow. These results define a Src tyrosine kinases-dependent mechanism whereby BCR/ABL (and potentially other oncoproteins) dysregulates G protein-coupled receptor signaling and function of mammalian precursors.

Indexed as

AnimalsChemokine CXCL12Chemokines, CXCFusion Proteins, bcr-ablGTP-Binding ProteinsHematopoietic Stem CellsHL-60 CellsHumansLeukemia, Myelogenous, Chronic, BCR-ABL PositiveMiceMice, KnockoutModels, BiologicalPhosphatidylinositol 3-KinasesReceptor Cross-TalkReceptors, CXCR4Signal TransductionChemokine CXCL12Chemokines, CXCCXCL12 protein, humanCxcl12 protein, mouseFusion Proteins, bcr-ablGTP-Binding Proteinslyn protein-tyrosine kinasePhosphatidylinositol 3-KinasesReceptors, CXCR4src-Family KinasesNon-programmatic

Identifiers

PMID12208881
PMCPMC2193994
OpenAlexW2141648366

What OpenQuestion holds

Textmetadata
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.