Evidence map›Paper›PMID 28966120›Full record

ArticleStem cell reports2017

An RNAi Screen Reveals an Essential Role for HIPK4 in Human Skin Epithelial Differentiation from iPSCs.

Lionel Larribère, Marta Galach, Daniel Novak, Karla Arévalo, Hans Christian Volz, Hans-Jürgen Stark, Petra Boukamp, Michael Boutros, Jochen Utikal

Abstract read
In one paragraph

Article in Stem cell reports, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.

0numbers the graph read from it
0cells of the map it votes in
8citing papers in PubMed
–field-weighted citation impact
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

8 citing papers in PubMed.

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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

9 authors.

Lionel LarribèreSkin Cancer Unit (G300), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69121 Heidelberg, Germany; Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 68167 Mannheim, Germany. Electronic address: l.larribere@dkfz.de.
Marta GalachSkin Cancer Unit (G300), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69121 Heidelberg, Germany; Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 68167 Mannheim, Germany.
Daniel NovakSkin Cancer Unit (G300), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69121 Heidelberg, Germany; Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 68167 Mannheim, Germany.
Karla ArévaloSkin Cancer Unit (G300), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69121 Heidelberg, Germany; Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 68167 Mannheim, Germany.
Hans Christian VolzDivision of Signaling and Functional Genomics, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany; Department of Cell and Molecular Biology, Heidelberg University, 69120 Heidelberg, Germany; Department of Cardiology, Heidelberg University, 69120 Heidelberg, Germany.
Hans-Jürgen StarkGenetics of Skin Carcinogenesis, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany.
Petra BoukampGenetics of Skin Carcinogenesis, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany; IUF-Leibniz Research Institute for Environmental Medicine, 40021 Düsseldorf, Germany.
Michael BoutrosDivision of Signaling and Functional Genomics, German Cancer Research Center (DKFZ), 69120 Heidelberg, Germany; Department of Cell and Molecular Biology, Heidelberg University, 69120 Heidelberg, Germany.
Jochen UtikalSkin Cancer Unit (G300), German Cancer Research Center (DKFZ), Im Neuenheimer Feld 280, 69121 Heidelberg, Germany; Department of Dermatology, Venereology and Allergology, University Medical Center Mannheim, Heidelberg University, 68167 Mannheim, Germany. Electronic address: j.utikal@dkfz.de.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Molecular mechanisms responsible for the development of human skin epithelial cells are incompletely understood. As a consequence, the efficiency to establish a pure skin epithelial cell population from human induced pluripotent stem cells (hiPSCs) remains poor. Using an approach including RNAi and high-throughput imaging of early epithelial cells, we identified candidate kinases involved in their differentiation from hiPSCs. Among these, we found HIPK4 to be an important inhibitor of this process. Indeed, its silencing increased the amount of generated skin epithelial precursors at an early time point, increased the amount of generated keratinocytes at a later time point, and improved growth and differentiation of organotypic cultures, allowing for the formation of a denser basal layer and stratification with the expression of several keratins. Our data bring substantial input regarding regulation of human skin epithelial differentiation and for improving differentiation protocols from pluripotent stem cells.

Indexed as

RNA InterferenceCell DifferentiationCell LineCells, CulturedEnzyme ActivationEpithelial CellsGene SilencingHigh-Throughput Screening AssaysHumansInduced Pluripotent Stem CellsKeratinocytesOrgan Culture TechniquesProtein Serine-Threonine KinasesHIPK4 protein, humanProtein Serine-Threonine KinasesdevelopmentdifferentiationepitheliumHIPK4iPSCkeratinocytesorganotypic cultureRNAi screenskinstem cell

Identifiers

PMID28966120
PMCPMC5639458

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.