Evidence map›Paper›PMID 24681948›Full record

ArticleOncogene2015

A targeted knockdown screen of genes coding for phosphoinositide modulators identifies PIP4K2A as required for acute myeloid leukemia cell proliferation and survival.

Julian G Jude, Gary J Spencer, Xu Huang, Tim D D Somerville, David R Jones, Nullin Divecha, Tim C P Somervaille

Open access · bronzeAbstract read
In one paragraph

Article in Oncogene, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 55 papers.

0numbers the graph read from it
0cells of the map it votes in
55citing papers in PubMed
4.3field-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

55 citing papers in PubMed, 83 citations in OpenAlex.

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  18. Development of potent and selective degraders of PI5P4Kγ.European journal of medicinal chemistry · 2023
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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

7 authors at 2 institutions in 1 country.

Julian G JudeInositide Laboratory, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, M20 4BX, United Kingdom.
Gary J SpencerLeukaemia Biology Laboratory, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, M20 4BX, United Kingdom.
Xu HuangLeukaemia Biology Laboratory, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, M20 4BX, United Kingdom.
Tim D D SomervilleLeukaemia Biology Laboratory, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, M20 4BX, United Kingdom.
David R JonesInositide Laboratory, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, M20 4BX, United Kingdom.
Nullin Divecha *Inositide Laboratory, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, M20 4BX, United Kingdom.
Tim C P Somervaille *Leukaemia Biology Laboratory, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, M20 4BX, United Kingdom.
University of Manchester · GBCancer Research UK Manchester Institute · GB

Funding

Cancer Research UK 19280Cancer Research UK C5759/A12328
6 · The paper itself

Abstract

Given the importance of deregulated phosphoinositide (PI) signaling in leukemic hematopoiesis, genes coding for proteins that regulate PI metabolism may have significant and as yet unappreciated roles in leukemia. We performed a targeted knockdown (KD) screen of PI modulator genes in human acute myeloid leukemia (AML) cells and identified candidates required to sustain proliferation or prevent apoptosis. One of these, the lipid kinase phosphatidylinositol-5-phosphate 4-kinase, type II, alpha (PIP4K2A) regulates cellular levels of phosphatidylinositol-5-phosphate (PtsIns5P) and phosphatidylinositol 4,5-bisphosphate (PtdIns(4,5)P₂). We found PIP4K2A to be essential for the clonogenic and leukemia-initiating potential of human AML cells, and for the clonogenic potential of murine MLL-AF9 AML cells. Importantly, PIP4K2A is also required for the clonogenic potential of primary human AML cells. Its KD results in accumulation of the cyclin-dependent kinase inhibitors CDKN1A and CDKN1B, G₁ cell cycle arrest and apoptosis. Both CDKN1A accumulation and apoptosis were partially dependent on activation of the mTOR pathway. Critically, however, PIP4K2A KD in normal hematopoietic stem and progenitor cells, both murine and human, did not adversely impact either clonogenic or multilineage differentiation potential, indicating a selective dependency that we suggest may be the consequence of the regulation of different transcriptional programs in normal versus malignant cells. Thus, PIP4K2A is a novel candidate therapeutic target in myeloid malignancy.

Indexed as

Gene Knockdown TechniquesAnimalsApoptosisCell Line, TumorCell ProliferationCell SurvivalCluster AnalysisEnzyme ActivationGene Expression ProfilingHumansIntracellular SpaceLeukemia, Myeloid, AcuteMiceMice, TransgenicNeoplastic Stem CellsPhosphatidylinositol Phosphatesphosphatidylinositol 5-phosphatePhosphatidylinositol PhosphatesPhosphatidylinositolsPhosphotransferases (Alcohol Group Acceptor)PIP4K2A protein, humanTOR Serine-Threonine Kinases

Identifiers

PMID24681948
PMCPMC4130659
OpenAlexW2147432075

What OpenQuestion holds

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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.