Evidence map›Paper›PMID 42257932›Full record

ArticleSurgical endoscopy2026

A mechanistic exploration of IL-1β / p38 MAPK / MMP-2 pathway in inguinal hernia: evidence from clinical specimens and in vitro model.

Tengfei Shang, Pengfei Bo, Dan Du, Yang Fu, Dianchen Wang

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Article in Surgical endoscopy, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it
0cells of the map it votes in
1citing 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

1 citing paper in PubMed.

  1. 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

5 authors.

Tengfei ShangDepartment of Hernia and Abdominal Wall Surgery, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe Road, Zhengzhou, 450052, Henan, China.
Pengfei BoDepartment of Hernia and Abdominal Wall Surgery, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe Road, Zhengzhou, 450052, Henan, China.
Dan DuDepartment of Medical Laboratory, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe Road, Zhengzhou, 450052, Henan, China.
Yang FuDepartment of Hernia and Abdominal Wall Surgery, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe Road, Zhengzhou, 450052, Henan, China.
Dianchen WangDepartment of Hernia and Abdominal Wall Surgery, The First Affiliated Hospital of Zhengzhou University, No.1 Jianshe Road, Zhengzhou, 450052, Henan, China. wdc8681949@163.com.ORCID http://orcid.org/0000-0001-8674-7794

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundInguinal hernia is a common disease and mesh repair has been established as the standard treatment. Matrix metalloproteinase-2 (MMP-2), leading to collagen degradation, is elevated in inguinal hernia patients. Interleukin-1β (IL-1β) has been reported to promote progressions of some diseases by upregulating MMP-2, but its potential role in development of inguinal hernia remains unclear.

methodsThe expression levels of IL-1β, MMP-2, and collagens were assessed in human clinical specimens. Human skin fibroblasts were used to perform in vitro experiments and functional assays to investigate the underlying molecular mechanisms.

resultsIL-1β expression was significantly upregulated in inguinal hernia tissues and demonstrated a positive correlation with MMP-2 levels. Functionally, IL-1β suppressed proliferation and migration of fibroblasts. Mechanistic investigations revealed that IL-1β activated p38 mitogen-activated protein kinase (MAPK) signaling pathway, leading to MMP-2 upregulation and subsequent extracellular matrix degradation, characterized by an altered collagen type I (COL I) / type III (COL III) ratio.

conclusionsIL-1β induces abnormal collagen metabolism by upregulating MMP-2 expression through p38 MAPK pathway. This finding provides a novel mechanistic insight into the pathogenesis of inguinal hernia.

Indexed as

Hernia, InguinalInterleukin-1betaMAP Kinase Signaling SystemMatrix Metalloproteinase 2p38 Mitogen-Activated Protein KinasesCell MovementCell ProliferationCells, CulturedCollagenFemaleFibroblastsHumansMaleMiddle AgedUp-RegulationCollagenInterleukin-1betaMatrix Metalloproteinase 2p38 Mitogen-Activated Protein KinasesCollagenIL-1βInguinal herniaMMP-2p38 MAPK

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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.