Evidence map›Paper›PMID 29455276›Full record

ArticleJournal of molecular histology2018

Methylation of secreted frizzled-related protein 1 (SFRP1) promoter downregulates Wnt/β-catenin activity in keloids.

Jiaqi Liu, Huayu Zhu, Hongtao Wang, Jun Li, Fu Han, Yang Liu, Wanfu Zhang, Ting He, Na Li, Zhao Zheng and 1 more

Abstract read
PubMed Publisher
In one paragraph

Article in Journal of molecular histology, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 18 papers.

0numbers the graph read from it
0cells of the map it votes in
18citing 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

18 citing papers in PubMed, 27 citations in OpenAlex.

  1. Review
  2. Article
  3. Article
  4. Article
  5. EHMT2-mediated transcriptional reprogramming drives neuroendocrine transformation in non-small cell lung cancer.Proceedings of the National Academy of Sciences of the United States of America · 2024
    Article
  6. Review
  7. Article
  8. Article
  9. Review
  10. Review
  11. Article
  12. Article
  13. Review
  14. Genomics of Human Fibrotic Diseases: Disordered Wound Healing Response.International journal of molecular sciences · 2020
    Review
  15. Article
  16. Article
  17. Article
  18. Review
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

11 authors at 2 institutions in 1 country.

Jiaqi LiuDepartment of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Changle Street 15#, Xi'an, Shaanxi, People's Republic of China.
Huayu ZhuDepartment of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Changle Street 15#, Xi'an, Shaanxi, People's Republic of China.
Hongtao WangDepartment of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Changle Street 15#, Xi'an, Shaanxi, People's Republic of China.
Jun LiDepartment of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Changle Street 15#, Xi'an, Shaanxi, People's Republic of China.
Fu HanDepartment of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Changle Street 15#, Xi'an, Shaanxi, People's Republic of China.
Yang LiuDepartment of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Changle Street 15#, Xi'an, Shaanxi, People's Republic of China.
Wanfu ZhangDepartment of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Changle Street 15#, Xi'an, Shaanxi, People's Republic of China.
Ting HeDepartment of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Changle Street 15#, Xi'an, Shaanxi, People's Republic of China.
Na LiDepartment of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Changle Street 15#, Xi'an, Shaanxi, People's Republic of China.
Zhao ZhengDepartment of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Changle Street 15#, Xi'an, Shaanxi, People's Republic of China. zzsurgery@gmail.com.
Dahai HuDepartment of Burns and Cutaneous Surgery, Xijing Hospital, Fourth Military Medical University, Changle Street 15#, Xi'an, Shaanxi, People's Republic of China. zzhuhy@aliyun.com.
Air Force Medical University · CNXijing Hospital · CN

Funding

China Postdoctoral Science Foundation 2014M562600National Natural Science Foundation of China 81201470National Natural Science Foundation of China 81372069National Natural Science Foundation of China 81772071Natural Science Foundation of Shaanxi Province 2014KTCL03-09Natural Science Foundation of Shaanxi Province 2017JQ8031
6 · The paper itself

Abstract

Keloid, a benign skin disorder, forms during wound healing in genetically susceptible individuals. To better control keloid and understand the molecular mechanisms, this study screened gene hypermethylations of GEO database microarray data on keloids and identified the hypermethylation of the secreted frizzled related protein-1 (SFRP1) promoter. Subsequently, hypermethylation and mRNA and protein levels were assessed in 57 cases of keloid vs. normal skin tissues. Fibroblasts from tissues were isolated for the assessment of gene regulation in vitro. The methods used were bioinformatic analysis, lentiviral infection carrying SFRP1 cDNA, qRT-PCR, western blot, immunohistochemistry, luciferase reporter assay, methylation-specific PCR and methylated DNA immunoprecipitation-qPCR, ELISA, and/or 5-Aza-2'-deoxycytidine treatment. The data revealed that the SFRP1 promoter was hypermethylated in keloid tissues, compared with that in normal skin tissues. The SFRP1 promoter methylation contributed to the downregulation of SFRP1 mRNA and protein in keloid tissues and keloid fibroblasts. The 5-Aza treatment significantly upregulated SFRP1 mRNA and protein level in keloid fibroblasts. Furthermore, the knockdown of DNMT1 expression, and not the expression of DNMT3a or DMNT3b, was responsible for the hypermethylation of the SFRP1 promoter and upregulation of SFRP1 mRNA and protein in keloid fibroblasts. In addition, the infection of lentivirus carrying SFRP1 cDNA significantly inhibited the signaling activity of Wnt/β-catenin and the mRNA and protein expression of β-catenin and α-SMA in keloid fibroblasts. In summary, the lost SFRP1 expression-induced Wnt/β-catenin signaling due to the hypermethylation of the SFRP1 promoter could associate with keloid development, suggesting that SFRP1 might be a therapeutic target for keloid treatment.

Indexed as

DNA MethylationWnt Signaling Pathwaybeta CateninDown-RegulationFibroblastsFrizzled-Related ProteinsHumansIntracellular Signaling Peptides and ProteinsKeloidPromoter Regions, GeneticProteinsbeta CateninFrizzled-Related ProteinsIntracellular Signaling Peptides and ProteinsProteinsHypermethylationKeloidSFRP1Wnt/β-catenin

Identifiers

PMID29455276
OpenAlexW2793910754

What OpenQuestion holds

Textmetadata
Read underepoch 390

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.