Evidence map›Paper›PMID 35999260›Full record

ArticleLeukemia2022

Translatome proteomics identifies autophagy as a resistance mechanism to on-target FLT3 inhibitors in acute myeloid leukemia.

Sebastian E Koschade, Kevin Klann, Shabnam Shaid, Binje Vick, Jan A Stratmann, Marlyn Thölken, Laura M Meyer, The Duy Nguyen, Julia Campe, Laura M Moser and 9 more

Erratum issuedOpen access · hybridAbstract read
In one paragraph

Article in Leukemia, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. An erratum has been issued. Cited by 28 papers.

0numbers the graph read from it
0cells of the map it votes in
28citing papers in PubMed
4.0field-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

28 citing papers in PubMed, 28 citations in OpenAlex.

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4 · The record

Corrections and comments

5 · Who and what money

Authors and funding

19 authors at 3 institutions in 2 countries.

Sebastian E KoschadeDepartment of Medicine, Hematology/Oncology, University Hospital, Goethe University Frankfurt, Frankfurt, Germany.ORCID http://orcid.org/0000-0001-5770-1279
Kevin KlannInstitute of Biochemistry II, Faculty of Medicine, Goethe University Frankfurt, Frankfurt, Germany.
Shabnam ShaidDepartment of Medicine, Hematology/Oncology, University Hospital, Goethe University Frankfurt, Frankfurt, Germany.
Binje VickGerman Cancer Consortium (DKTK), Heidelberg, Germany.ORCID http://orcid.org/0000-0003-1956-2778
Jan A StratmannDepartment of Medicine, Hematology/Oncology, University Hospital, Goethe University Frankfurt, Frankfurt, Germany.
Marlyn ThölkenDepartment of Medicine, Hematology/Oncology, University Hospital, Goethe University Frankfurt, Frankfurt, Germany.
Laura M MeyerDepartment of Medicine, Hematology/Oncology, University Hospital, Goethe University Frankfurt, Frankfurt, Germany.ORCID http://orcid.org/0000-0001-9276-4320
The Duy NguyenDepartment of Medicine, Hematology/Oncology, University Hospital, Goethe University Frankfurt, Frankfurt, Germany.
Julia CampeDepartment for Children and Adolescents, Experimental Immunology, University Hospital, Goethe University Frankfurt, Frankfurt, Germany.
Laura M MoserGerman Cancer Consortium (DKTK), Heidelberg, Germany.
Susanna HockDepartment of Medicine, Hematology/Oncology, University Hospital, Goethe University Frankfurt, Frankfurt, Germany.
Fatima BakerDepartment of Medicine, Hematology/Oncology, University Hospital, Goethe University Frankfurt, Frankfurt, Germany.
Christian T MeyerVanderbilt University, Center for Cancer Systems Biology at Vanderbilt, Nashville, TN, USA.
Frank WempeDepartment of Medicine, Hematology/Oncology, University Hospital, Goethe University Frankfurt, Frankfurt, Germany.
Hubert ServeDepartment of Medicine, Hematology/Oncology, University Hospital, Goethe University Frankfurt, Frankfurt, Germany.
Evelyn UllrichGerman Cancer Consortium (DKTK), Heidelberg, Germany.ORCID http://orcid.org/0000-0001-8530-1192
Irmela JeremiasGerman Cancer Consortium (DKTK), Heidelberg, Germany.ORCID http://orcid.org/0000-0003-1773-7677
Christian Münch *Institute of Biochemistry II, Faculty of Medicine, Goethe University Frankfurt, Frankfurt, Germany. ch.muench@em.uni-frankfurt.de.ORCID http://orcid.org/0000-0003-3832-090X
Christian H Brandts *Department of Medicine, Hematology/Oncology, University Hospital, Goethe University Frankfurt, Frankfurt, Germany. christian.brandts@kgu.de.ORCID http://orcid.org/0000-0003-1732-2535
Goethe University Frankfurt · DEGerman Cancer Research Center · DEVanderbilt University · US

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Internal tandem duplications (ITD) in the receptor tyrosine kinase FLT3 occur in 25 % of acute myeloid leukemia (AML) patients, drive leukemia progression and confer a poor prognosis. Primary resistance to FLT3 kinase inhibitors (FLT3i) quizartinib, crenolanib and gilteritinib is a frequent clinical challenge and occurs in the absence of identifiable genetic causes. This suggests that adaptive cellular mechanisms mediate primary resistance to on-target FLT3i therapy. Here, we systematically investigated acute cellular responses to on-target therapy with multiple FLT3i in FLT3-ITD + AML using recently developed functional translatome proteomics (measuring changes in the nascent proteome) with phosphoproteomics. This pinpointed AKT-mTORC1-ULK1-dependent autophagy as a dominant resistance mechanism to on-target FLT3i therapy. FLT3i induced autophagy in a concentration- and time-dependent manner specifically in FLT3-ITD + cells in vitro and in primary human AML cells ex vivo. Pharmacological or genetic inhibition of autophagy increased the sensitivity to FLT3-targeted therapy in cell lines, patient-derived xenografts and primary AML cells ex vivo. In mice xenografted with FLT3-ITD + AML cells, co-treatment with oral FLT3 and autophagy inhibitors synergistically impaired leukemia progression and extended overall survival. Our findings identify a molecular mechanism responsible for primary FLT3i treatment resistance and demonstrate the pre-clinical efficacy of a rational combination treatment strategy targeting both FLT3 and autophagy induction.

Indexed as

Leukemia, Myeloid, AcuteProteomicsAnimalsAutophagyDrug Resistance, Neoplasmfms-Like Tyrosine Kinase 3HumansMechanistic Target of Rapamycin Complex 1MiceProtein Kinase InhibitorsProteomeProto-Oncogene Proteins c-aktFLT3 protein, humanfms-Like Tyrosine Kinase 3Mechanistic Target of Rapamycin Complex 1Protein Kinase InhibitorsProteomeProto-Oncogene Proteins c-akt

Identifiers

PMID35999260
PMCPMC9522593
OpenAlexW4292801147

What OpenQuestion holds

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Registered trials

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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.