Evidence map›Paper›PMID 42505372›Full record

ReviewCells2026

Fetuin-A Induced Suppression of PPAR Signaling: Molecular Insights and the Potential Regulatory Role of Fucosylation.

Yıldız Öner-İyidoğan, Hikmet Koçak

Abstract readReview
In one paragraph

Review in Cells, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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

0 citing papers in PubMed.

No citing paper in PubMed yet.

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

2 authors.

Yıldız Öner-İyidoğanDepartment of Medical Biochemistry, Faculty of Medicine, Istinye University, 34408 Istanbul, Türkiye.ORCID 0000-0001-6956-8794
Hikmet KoçakDepartment of Medical Biochemistry, Faculty of Medicine, Istinye University, 34408 Istanbul, Türkiye.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Metabolic diseases are characterized by a complex interplay between metabolic dysregulation and chronic low-grade inflammation. Fetuin-A (FetA), a liver-derived hepatokine, has emerged as a key mediator linking these processes through its pro-inflammatory and insulin resistance-promoting effects. Accumulating evidence indicates that FetA not only serves as a biomarker but also actively contributes to disease pathogenesis by modulating multiple signaling pathways. In this review, we present an overview of the molecular mechanisms underlying FetA-induced suppression of peroxisome proliferator-activated receptor (PPAR) signaling, a central regulator of metabolic homeostasis. Emerging evidence suggests that FetA may promote Toll-like receptor 4 (TLR4)-mediated inflammation, activate nuclear factor kappa B (NF-κB) signaling, suppress key energy regulators such as Sirtuin 1 (SIRT1) and AMP-activated protein kinase (AMPK), and inhibit PPAR activity through Wnt and extracellular signal-regulated kinase (ERK) pathways. These interconnected mechanisms may contribute to impaired lipid metabolism, increased insulin resistance, and metabolic inflammation. Furthermore, we highlight the role of FetA glycosylation, particularly fucosylation, as a regulatory layer influencing its biological activity. Fucosylated FetA may more effectively activate TLR4 signaling and suppress PPAR activity, suggesting functional heterogeneity among glycoforms. Overall, the FetA-PPAR interaction may represent a key mechanistic link between metabolic inflammation and disease progression.

Indexed as

alpha-2-HS-GlycoproteinFucosePeroxisome Proliferator-Activated ReceptorsSignal TransductionAnimalsGlycosylationHumansInflammationalpha-2-HS-GlycoproteinFucosePeroxisome Proliferator-Activated ReceptorsFetuin-Afucosylationmetabolic inflammationNAFLD (redefined as MASLD)PPARs

Identifiers

PMID42505372
PMCPMC13406959

What Socratic holds

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LicenceCC BY
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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 Socratic graph.