Evidence map›Paper›PMID 27472703›Full record

ArticleMedicine2016

An investigation of crosstalk between Wnt/β-catenin and transforming growth factor-β signaling in androgenetic alopecia.

Gui-Qing Lu, Zhi-Bo Wu, Xiao-Yan Chu, Zhi-Gang Bi, Wei-Xin Fan

Open access · goldAbstract read
In one paragraph

Article in Medicine, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 21 papers.

0numbers the graph read from it
0cells of the map it votes in
21citing papers in PubMed
2.8field-weighted citation impact, top 10% 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

21 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

5 authors at 2 institutions in 1 country.

Gui-Qing LuDepartment of Dermatology, The First Affiliated Hospital of Nanjing Medical University Department of Dermatology, BenQ Medical Center, Nanjing Medical University Department of Dermatology, Friendship Plastic Surgery Hospital, Nanjing Medical University, Nanjing, P.R. China.
Zhi-Bo Wu
Xiao-Yan Chu
Zhi-Gang Bi
Wei-Xin Fan
Nanjing Medical University · CNJiangsu Province Hospital · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundWnt and transforming growth factor-β (TGF-β) signaling pathways are known to be involved in the pathogenesis of androgenetic alopecia (AGA). However, the way that Wnt and TGF-β signaling is altered in patients with AGA and whether there exists a crosstalk between them in pathogenetic process of AGA remain unclear.

objectivesTo investigate the expression of Wnt and TGF-β signaling and the crosstalk between these 2 signaling pathways in AGA.

methodsFifteen male patients with AGA were recruited for our research. Fifteen scalp specimens of the balding were collected from frontal areas, and 9 nonbalding were collected from occipital areas. We analyzed the expression and activation of downstream Wnt and TGF-β signaling molecules in both balding and nonbalding hair follicles isolated from scalp specimens. Furthermore, we evaluated the activation of Wnt and TGF-β signaling after either of them was blocked with the inhibitor in balding and nonbalding dermal papilla (DP) cells.

resultsCompared with the nonbalding counterparts, the mRNA level of Wnt10a and LEF1 was decreased. But TβRI and TβRII, and the protein expression of TGF-β1 was elevated in balding hair follicles. To investigate the crosstalk between Wnt and TGF-β signaling, we used SB431542 to inhibit the TGF-β signaling in balding DP cells and found that SB431542 significantly attenuated the phosphorylation of Smad2 and Akt. However, the mRNA level of Wnt10a, LEF1, and the nuclear translocation of β-catenin was increased. On the other hand, we suppressed the Wnt signaling by XAV939 in nonbalding DP cells, which displayed that the level of β-catenin and LEF1 was significantly inhibited; however, the level of active TGF-β1 and the phosphorylation of Smad2 and Akt were up-regulated.

conclusionsThese data indicate that crosstalk between Wnt/β-catenin and TGF-β signaling pathways may exist as one of the important mechanisms contributing to AGA.

Indexed as

AdultAlopeciaBlotting, WesternEnzyme-Linked Immunosorbent AssayFluorescent Antibody TechniqueHumansLymphoid Enhancer-Binding Factor 1MaleMiddle AgedReal-Time Polymerase Chain ReactionRetrospective StudiesRNA, MessengerSignal TransductionTransforming Growth Factor betaWnt Signaling PathwayLEF1 protein, humanLymphoid Enhancer-Binding Factor 1RNA, MessengerTransforming Growth Factor beta

Identifiers

PMID27472703
PMCPMC5265840
OpenAlexW2504292268

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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.