Evidence map›Paper›PMID 26364751›Full record

ArticleDevelopmental cell2015

Identification of Happyhour/MAP4K as Alternative Hpo/Mst-like Kinases in the Hippo Kinase Cascade.

Yonggang Zheng, Wei Wang, Bo Liu, Hua Deng, Eliza Uster, Duojia Pan

Open access · bronzeAbstract read
In one paragraph

Article in Developmental cell, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 148 papers.

0numbers the graph read from it
0cells of the map it votes in
148citing papers in PubMed
10.1field-weighted citation impact, top 1% 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

148 citing papers in PubMed, 219 citations in OpenAlex.

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  7. Targeting the Hippo pathway in cancer.Nature reviews. Drug discovery · 2025
    Review
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88 more citing papers are in PubMed but not listed here.

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 2 institutions in 1 country.

Yonggang ZhengDepartment of Molecular Biology and Genetics, Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
Wei WangDepartment of Molecular Biology and Genetics, Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
Bo LiuDepartment of Molecular Biology and Genetics, Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
Hua DengDepartment of Molecular Biology and Genetics, Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
Eliza UsterDepartment of Molecular Biology and Genetics, Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
Duojia PanDepartment of Molecular Biology and Genetics, Howard Hughes Medical Institute, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA. Electronic address: djpan@jhmi.edu.
Howard Hughes Medical Institute · USJohns Hopkins University · US

Funding

Control of Cell Number in Developing RetinaR01EY015708 · NEI · UT SOUTHWESTERN MEDICAL CENTER · PI DUOJIA PAN · 2004 to 2026
$8.8M
Howard Hughes Medical InstituteNEI NIH HHS EY015708NEI NIH HHS R01 EY015708
6 · The paper itself

Abstract

In Drosophila and mammals, the canonical Hippo kinase cascade is mediated by Hpo/Mst acting through the intermediary kinase Wts/Lats to phosphorylate the transcriptional coactivator Yki/YAP/TAZ. Despite recent reports linking Yki/YAP/TAZ activity to the actin cytoskeleton, the underlying mechanisms are poorly understood and/or controversial. Using Drosophila imaginal discs as an in vivo model, we show that Wts, but not Hpo, is genetically indispensable for cytoskeleton-mediated subcellular localization of Yki. Through a systematic screen, we identify the Ste-20 kinase Happyhour (Hppy) and its mammalian counterpart MAP4K1/2/3/5 as an alternative kinase that phosphorylates the hydrophobic motif of Wts/Lats in a similar manner as Hpo/Mst. Consistent with their redundant function as activating kinases of Wts/Lats, combined loss of Hpo/Mst and Hppy/MAP4K abolishes cytoskeleton-mediated regulation of Yki/YAP subcellular localization, as well as YAP cytoplasmic translocation induced by contact inhibition. These Hpo/Mst-like kinases provide an expanded view of the Hippo kinase cascade in development and physiology.

Indexed as

AnimalsCell Cycle ProteinsCells, CulturedCytoskeletal ProteinsDrosophila melanogasterDrosophila ProteinsFluorescent Antibody TechniqueHippo KinasesImaginal DiscsIntracellular Signaling Peptides and ProteinsPhosphorylationProtein Serine-Threonine KinasesReal-Time Polymerase Chain ReactionReverse Transcriptase Polymerase Chain ReactionRNA, MessengerSignal TransductionCell Cycle ProteinsCytoskeletal ProteinsDrosophila ProteinsHippo Kinaseshpo protein, Drosophilahppy protein, DrosophilaIntracellular Signaling Peptides and Proteinsmst protein, DrosophilaProtein Serine-Threonine KinasesRNA, Messenger

Identifiers

PMID26364751
PMCPMC4589524
OpenAlexW1870821474

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.