Evidence map›Paper›PMID 23216927›Full record

ArticleJournal of hematology & oncology2012

SU11652 Inhibits tyrosine kinase activity of FLT3 and growth of MV-4-11 cells.

Yao Guo, Yun Chen, Xuesong Xu, Xueqi Fu, Zhizhuang Joe Zhao

Open access · goldAbstract read
In one paragraph

Article in Journal of hematology & oncology, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 15 papers.

0numbers the graph read from it
0cells of the map it votes in
15citing papers in PubMed
1.0field-weighted citation impact, top 22% 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

15 citing papers in PubMed, 21 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 3 institutions in 2 countries.

Yao GuoEdmond H, Fischer Signal Transduction Laboratory, College of Life Sciences, Jilin University, Changchun, China.
Yun Chen
Xuesong Xu
Xueqi Fu
Zhizhuang Joe Zhao
Jilin University · CNUnion Hospital · CNUniversity of Oklahoma Health Sciences Center · US

Funding

Tyrosine Phosphatases PTP-MEG2 and HematopoiesisR01HL079441 · NHLBI · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · PI ZHAO, ZHIZHUANG JOE · 2006 to 2009
$1.4M
Tyrosine Kinase JAK2 and Myeloproliferative DisordersR01HL094591 · NHLBI · UNIVERSITY OF OKLAHOMA HLTH SCIENCES CTR · PI ZHAO, ZHIZHUANG JOE · 2009 to 2010
$805k
NHLBI NIH HHS HL079441NHLBI NIH HHS HL094591
6 · The paper itself

Abstract

backgroundFLT3-ITD and FLT3-TKD mutations are frequently found in acute myeloid leukemia (AML). This makes tyrosine kinase FLT3 a highly attractive target for therapeutic drug development. However, effective drugs have not yet emerged. This study is intended to identify and to characterize new FLT3 inhibitors.

methodsBy using the protein substrate GST-FLT3S to analyze kinase activity of recombinant proteins carrying the catalytic domain of wild type and mutant forms of FLT3, we screened a chemical library containing 80 known protein kinase inhibitors. We identified SU11652 as a potent FLT3 inhibitor and further employed FLT3-ITD-positive MV- 4-11 cells to study its effects on cell growth, apoptosis, cell cycles, and cell signaling.

resultsSU11652 strongly inhibited the activity of wild type, D835Y, and D835H mutant forms of FLT3 with IC50 values of 1.5, 16, and 32 nM, respectively. It effectively blocked the growth of FLT3-ITD -positive MV-4-11 cells at nanomolar concentrations but exhibited much less effects on several other cells which do not carry mutations of FLT3. SU11652 inhibited growth of MV-4-11 cells by inducing apoptosis, causing cell cycle arrest, and blocking activation of the ERK, Akt, and STAT signaling pathways.

conclusionSU11652 is a potent FLT3 inhibitor which selectively targets FLT3-ITD-positive cells. It should serve as a good candidate for development of therapeutic drugs to treat AML.

Indexed as

Cell Growth ProcessesCell Line, Tumorfms-Like Tyrosine Kinase 3HumansIndolesLeukemia, Myeloid, AcuteProtein Kinase InhibitorsPyrrolesSignal TransductionFLT3 protein, humanfms-Like Tyrosine Kinase 3IndolesProtein Kinase InhibitorsPyrrolesSU 11652

Identifiers

PMID23216927
PMCPMC3524753
OpenAlexW2164765170

What OpenQuestion holds

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LicenceCC BY
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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.