Evidence map›Paper›PMID 42324293›Full record

ArticleScientific reports2026

Melatonin-treated bone marrow mesenchymal stem cell-derived exosomes reverse liver fibrosis induced by CCl4 in male wistar albino rats.

Naglaa W Abdelbaky, Ahmed Nabil, Osama M Ahmed, Mohamed I Zanaty

Abstract read
In one paragraph

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

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1 · What the graph read from it

What it found

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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

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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

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No citing paper in PubMed yet.

4 · The record

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5 · Who and what money

Authors and funding

4 authors.

Naglaa W AbdelbakyBiotechnology and Life Sciences Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, 62511, Egypt.
Ahmed NabilBiotechnology and Life Sciences Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, 62511, Egypt.
Osama M AhmedZoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62511, Egypt.
Mohamed I ZanatyBiotechnology and Life Sciences Department, Faculty of Postgraduate Studies for Advanced Sciences, Beni-Suef University, Beni-Suef, 62511, Egypt. zanaty012@psas.bsu.edu.eg.ORCID 0000-0002-5386-8570

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Liver fibrosis is defined as the substitution of hepatocytes with extracellular matrix (ECM) proteins, accompanied by abnormalities in matrix remodelling. We aimed to assess the efficacy of melatonin-pretreated bone marrow mesenchymal stem cell-derived exosomes (MT/Exos) in mitigating liver fibrosis. MT/Exos were isolated from their parent cells and characterised by measuring protein content, particle size, and cluster of differentiation (CD) markers. In vivo studies (MT/Exos (100 µg/rat) via the caudal vein twice weekly for 4 weeks) include assessment of liver biomarkers, oxidative stress markers, inflammatory cytokines, apoptotic markers, fibrotic cytokines, and histopathological changes. MT/Exos with 1 mg/ml protein showed double-membrane vesicles sized 50-100 nm, and expressed CD63 and CD81 markers. Treated rats showed restoration of albumin levels, significant improvements in liver enzymes, notable elevations in SOD activity and Nrf2 levels, and a marked reduction in MDA levels. TNF-α, IL-17, NF-κB-p50, and p65 levels were attenuated, and IL-10 levels increased significantly. p53, Bax, caspase-3, TGF-β, SMAD3, collagen I, and miRNA 196 also showed a substantial decrease in treated rats (P < 0.05). Histopathological examination confirmed a marked reduction of collagen deposition and inflammatory infiltration. MT/Exos were successfully isolated and characterized. The MT/Exos-treated group showed improvements in all liver function parameters, with increased levels of antioxidant and anti-inflammatory markers. MT/Exos reduced apoptotic and fibrotic modulators and improved histopathological features. These findings confirm the synergistic effect of melatonin preconditioning in improving the therapeutic potential of MSC-derived exosomes as a novel anti-fibrotic agent. Overall, MT/Exos may offer a promising therapeutic approach for liver fibrosis with potential clinical relevance pending further studies.

Indexed as

ExosomesLiver CirrhosisMelatoninMesenchymal Stem CellsAnimalsApoptosisBiomarkersCarbon TetrachlorideCytokinesLiverMaleOxidative StressRatsRats, WistarBiomarkersCarbon TetrachlorideCytokinesMelatoninApoptotic MarkersExosomesFibrosis, Mesenchymal Stem CellsFibrotic MarkersInflammatory CytokinesMelatonin

Identifiers

PMID42324293
PMCPMC13284369

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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.