Evidence map›Paper›PMID 33837926›Full record

ArticleEndocrine2021

Identification of transcriptomic signatures and crucial pathways involved in non-alcoholic steatohepatitis.

Weiwei He, Caoxin Huang, Xiaofang Zhang, Dongmei Wang, Yinling Chen, Yan Zhao, Xuejun Li

Abstract read
PubMed Publisher
In one paragraph

Article in Endocrine, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 23 papers.

0numbers the graph read from it
0cells of the map it votes in
23citing papers in PubMed
4.1field-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

23 citing papers in PubMed, 36 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

7 authors at 1 institution in 1 country.

Weiwei He *School of Medicine, Xiamen University, Xiamen, China.ORCID http://orcid.org/0000-0002-6071-6575
Caoxin Huang *Xiamen Diabetes Institute, The First Affiliated Hospital of Xiamen University, Xiamen, China.
Xiaofang ZhangXiamen Diabetes Institute, The First Affiliated Hospital of Xiamen University, Xiamen, China.
Dongmei WangSchool of Medicine, Xiamen University, Xiamen, China.
Yinling ChenSchool of Medicine, Xiamen University, Xiamen, China.
Yan ZhaoXiamen Diabetes Institute, The First Affiliated Hospital of Xiamen University, Xiamen, China. zhaoyan1976@126.com.
Xuejun LiXiamen Diabetes Institute, The First Affiliated Hospital of Xiamen University, Xiamen, China. lixuejun@xmu.edu.cn.
Xiamen University · CN

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

purposeOur study aimed to uncover the crucial genes and functional pathways involved in the development of non-alcoholic steatohepatitis (NASH).

methodsLiver transcriptome datasets were integrated with Robust rank aggregation (RRA) method, and transcriptomic signatures for NASH progression and fibrosis severity in NAFLD were developed. The functions of transcriptomic signatures were explored by multiple bioinformatic analyses, and their diagnostic role was also evaluated.

resultsRRA analyses of 12 transcriptome datasets comparing NASH with non-alcoholic fatty liver (NAFL) identified 116 abnormally up-regulated genes in NASH patients. RRA analyses of five transcriptome datasets focusing fibrosis severity identified 78 abnormally up-regulated genes in NAFLD patients with advanced fibrosis. The functions of those transcriptomic signatures of NASH development or fibrosis progression were similar, and were both characterized by extracellular matrix (ECM)-related pathways (Adjusted P < 0.05). The transcriptomic signatures could effectively differentiate NASH from NAFL, and could help to identify NAFLD patients with advanced fibrosis. Gene set enrichment analysis and weighted gene co-expression network analysis further validated the key role of ECM-related pathways in NASH development. The top 10 up-regulated genes in NASH patients were SPP1, FBLN5, CHI3L1, CCL20, CD24, FABP4, GPNMB, VCAN, EFEMP1, and CXCL10, and their functions were mainly related to either ECM-related pathways or immunity-related pathways. Single cell RNA-sequencing analyses revealed that those crucial genes were expressed by distinct cells such as hepatocytes, macrophages, and hepatic stellate cells.

conclusionsTranscriptomic signatures related to NASH development and fibrosis severity of NAFLD patients are both characterized by ECM-related pathways, and fibrosis is a main player during NASH progression. This study uncovers some novel key genes involved in NASH progression, which may be promising therapeutic targets.

Indexed as

Non-alcoholic Fatty Liver DiseaseExtracellular Matrix ProteinsHepatic Stellate CellsHumansLiver CirrhosisMembrane GlycoproteinsTranscriptomeEFEMP1 protein, humanExtracellular Matrix ProteinsGPNMB protein, humanMembrane GlycoproteinsExtracellular matrixFibrosisNon-alcoholic steatohepatitisPathogenesis

Identifiers

PMID33837926
OpenAlexW3145713899

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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.