Evidence map›Paper›PMID 33149267›Full record

ArticleLeukemia2021

Activating JAK-mutations confer resistance to FLT3 kinase inhibitors in FLT3-ITD positive AML in vitro and in vivo.

Christoph Rummelt, Sivahari P Gorantla, Manja Meggendorfer, Anne Charlet, Cornelia Endres, Konstanze Döhner, Florian H Heidel, Thomas Fischer, Torsten Haferlach, Justus Duyster and 1 more

Abstract read
PubMed Publisher
In one paragraph

Article in Leukemia, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 27 papers.

0numbers the graph read from it
0cells of the map it votes in
27citing papers in PubMed
3.7field-weighted citation impact, top 5% 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

27 citing papers in PubMed, 46 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

11 authors at 6 institutions in 1 country.

Christoph RummeltDepartment of Medicine I, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.ORCID http://orcid.org/0000-0002-6471-7030
Sivahari P GorantlaDepartment of Hematology and Oncology, Medical Center, University of Schleswig-Holstein, Lübeck, Germany.
Manja MeggendorferMLL Munich Leukemia Laboratory, Munich, Germany.
Anne CharletDepartment of Medicine I, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
Cornelia EndresDepartment of Medicine I, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
Konstanze DöhnerDepartment of Internal Medicine III, University of Ulm, Ulm, Germany.
Florian H HeidelInnere Medizin 2, Universitätsklinikum Jena, Jena, Germany.ORCID http://orcid.org/0000-0003-2438-1955
Thomas FischerDepartment of Hematology and Oncology, Medical Center, Otto-von-Guericke University Magdeburg, Magdeburg, Germany.
Torsten HaferlachMLL Munich Leukemia Laboratory, Munich, Germany.
Justus DuysterDepartment of Medicine I, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany.
Nikolas von BubnoffDepartment of Medicine I, Medical Center - University of Freiburg, Faculty of Medicine, University of Freiburg, Freiburg, Germany. Nikolas.vonBubnoff@uksh.de.ORCID http://orcid.org/0000-0001-9593-8947
University of Freiburg · DEMunich Leukemia Laboratory (Germany) · DEOtto-von-Guericke-Universität Magdeburg · DEUniversitätsmedizin Greifswald · DEUniversität Ulm · DEUniversity Hospital Schleswig-Holstein · DE

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

An important limitation of FLT3 tyrosine kinase inhibitors (TKIs) in FLT3-ITD positive AML is the development of resistance. To better understand resistance to FLT3 inhibition, we examined FLT3-ITD positive cell lines which had acquired resistance to midostaurin or sorafenib. In 6 out of 23 TKI resistant cell lines we were able to detect a JAK1 V658F mutation, a mutation that led to reactivation of the CSF2RB-STAT5 pathway. Knockdown of JAK1, or treatment with a JAK inhibitor, resensitized cells to FLT3 inhibition. Out of 136 patients with FLT3-ITD mutated AML and exposed to FLT3 inhibitor, we found seven different JAK family mutations in six of the cases (4.4%), including five bona fide, activating mutations. Except for one patient, the JAK mutations occurred de novo (n = 4) or displayed increasing variant allele frequency after exposure to FLT3 TKI (n = 1). In vitro each of the five activating variants were found to induce resistance to FLT3-ITD inhibition, which was then overcome by dual FLT3/JAK inhibition. In conclusion, our data characterize a novel mechanism of resistance to FLT3-ITD inhibition and may offer a potential therapy, using dual JAK and FLT3 inhibition.

Indexed as

Cell Line, TumorDrug Resistance, Neoplasmfms-Like Tyrosine Kinase 3HumansJanus KinasesLeukemia, Myeloid, AcuteMutationProtein Kinase InhibitorsSorafenibStaurosporineTandem Repeat SequencesFLT3 protein, humanfms-Like Tyrosine Kinase 3Janus KinasesmidostaurinProtein Kinase InhibitorsSorafenibStaurosporine

Identifiers

PMID33149267
OpenAlexW3096364305

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.