Evidence map›Paper›PMID 22676255›Full record

ArticleJournal of translational medicine2012

JAK-STAT and AKT pathway-coupled genes in erythroid progenitor cells through ontogeny.

Vladan P Cokic, Bhaskar Bhattacharya, Bojana B Beleslin-Cokic, Constance T Noguchi, Raj K Puri, Alan N Schechter

Open access · goldAbstract read
In one paragraph

Article in Journal of translational medicine, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing papers in PubMed
0.7field-weighted citation impact, top 31% 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

18 citing papers in PubMed, 34 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

6 authors at 4 institutions in 2 countries.

Vladan P CokicLaboratory of Experimental Hematology, Institute for Medical Research, University of Belgrade, Belgrade, 11129, Serbia. vl@imi.bg.ac.rs
Bhaskar Bhattacharya
Bojana B Beleslin-Cokic
Constance T Noguchi
Raj K Puri
Alan N Schechter
Center for Biologics Evaluation and Research · USNational Institute of Diabetes and Digestive and Kidney Diseases · USNational Institutes of Health · USUniversity of Belgrade · RS

Funding

Globin Gene Expression And Treatment Of Sickle Cell AnemiaZIADK025021 · NIDDK · NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES · PI NOGUCHI, CONSTANCE · 2009 to 2025
$6.3M
Pharmacological Control Of Human Hemoglobin Gene ExpressionZIADK025016 · NIDDK · NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES · PI SCHECHTER, ALAN · 2009 to 2025
$2.5M
Intramural NIH HHS
6 · The paper itself

Abstract

backgroundIt has been reported that the phosphatidylinositol 3-kinase (PI3K)-AKT signaling pathway regulates erythropoietin (EPO)-induced survival, proliferation, and maturation of early erythroid progenitors. Erythroid cell proliferation and survival have also been related to activation of the JAK-STAT pathway. The goal of this study was to observe the function of EPO activation of JAK-STAT and PI3K/AKT pathways in the development of erythroid progenitors from hematopoietic CD34+ progenitor cells, as well as to distinguish early EPO target genes in human erythroid progenitors during ontogeny.

methodsHematopoietic CD34+ progenitor cells, isolated from fetal and adult hematopoietic tissues, were differentiated into erythroid progenitor cells. We have used microarray analysis to examine JAK-STAT and PI3K/AKT related genes, as well as broad gene expression modulation in these human erythroid progenitor cells.

resultsIn microarray studies, a total of 1755 genes were expressed in fetal liver, 3844 in cord blood, 1770 in adult bone marrow, and 1325 genes in peripheral blood-derived erythroid progenitor cells. The erythroid progenitor cells shared 1011 common genes. Using the Ingenuity Pathways Analysis software, we evaluated the network pathways of genes linked to hematological system development, cellular growth and proliferation. The KITLG, EPO, GATA1, PIM1 and STAT3 genes represent the major connection points in the hematological system development linked genes. Some JAK-STAT signaling pathway-linked genes were steadily upregulated throughout ontogeny (PIM1, SOCS2, MYC, PTPN11), while others were downregulated (PTPN6, PIAS, SPRED2). In addition, some JAK-STAT pathway related genes are differentially expressed only in some stages of ontogeny (STATs, GRB2, CREBB). Beside the continuously upregulated (AKT1, PPP2CA, CHUK, NFKB1) and downregulated (FOXO1, PDPK1, PIK3CG) genes in the PI3K-AKT signaling pathway, we also observed intermittently regulated gene expression (NFKBIA, YWHAH).

conclusionsThis broad overview of gene expression in erythropoiesis revealed transcription factors differentially expressed in some stages of ontogenesis. Finally, our results show that EPO-mediated proliferation and survival of erythroid progenitors occurs mainly through modulation of JAK-STAT pathway associated STATs, GRB2 and PIK3 genes, as well as AKT pathway-coupled NFKBIA and YWHAH genes.

Indexed as

AdultCell ProliferationCell SurvivalCluster AnalysisErythroid Precursor CellsGene Expression ProfilingGene Expression RegulationHematopoiesisHumansJanus KinasesModels, BiologicalOligonucleotide Array Sequence AnalysisProto-Oncogene Proteins c-aktSignal TransductionSTAT Transcription FactorsJanus KinasesProto-Oncogene Proteins c-aktSTAT Transcription Factors

Identifiers

PMID22676255
PMCPMC3412720
OpenAlexW2138600828

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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.