Evidence map›Paper›PMID 42147107›Full record

ArticleFrontiers in endocrinology2026

Chestnut-derived ellagitannins (FT50) protect against western diet-induced metabolic dysfunction and preserve beta cell function in mice.

Maša Skelin Klemen, Nika Polšak, Jasmina Jakopiček, Polona Kovačič, Jan Kopecky, Eva Paradiž Leitgeb, Jasmina Kerčmar, Lidija Križančić Bombek, Jurij Dolenšek, Andraž Stožer

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Article in Frontiers in endocrinology, 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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3 · Its place in the literature

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4 · The record

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5 · Who and what money

Authors and funding

10 authors.

Maša Skelin KlemenInstitute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia.
Nika PolšakInstitute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia.
Jasmina JakopičekInstitute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia.
Polona KovačičInstitute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia.
Jan KopeckyInstitute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia.
Eva Paradiž LeitgebInstitute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia.
Jasmina KerčmarInstitute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia.
Lidija Križančić BombekInstitute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia.
Jurij DolenšekInstitute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia.
Andraž StožerInstitute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Background: Western diet (WD) consumption accelerates the development of metabolic syndrome (MetS) and type 2 diabetes mellitus (T2DM). This study investigated whether chestnut-derived ellagitannins (FT50) modulate early metabolic alterations associated with WD feeding in C57BL/6J male mice. Methods: Male C57BL/6J mice were fed either a western diet (WD) or a WD supplemented with chestnut extract (FT50) for 12 weeks. Body weight, adiposity, glucose tolerance, and indices of insulin action were monitored throughout the study. Glucose and insulin homeostasis were assessed by measuring fasting glucose levels, insulin levels, and the HOMA-IR index. Pancreatic function was evaluated by Results: WD feeding induced significant body weight gain, adiposity, hyperglycemia, glucose intolerance, changes consistent with impaired insulin action, and partially compensatory hyperinsulinemia. Supplementation with FT50 prevented weight gain and fat accumulation, reduced organ hypertrophy, and was associated with improved glucose and insulin-related parameters without affecting the caloric intake. FT50-fed mice showed improved glucose tolerance from week 4 onward, accompanied by a lower HOMA-IR values and reduced hyperinsulinemia, consistent with improved indirect markers of insulin action relative to WD-fed mice. Conclusions: In sum, these effects indicate reduced beta cell excitability and are consistent with an attenuation of early metabolic alterations under WD conditions. Overall, these findings suggest that FT50 supplementation modulates early WD-induced metabolic changes in male mice. However, the study is limited to early-stage alterations, does not address later stages of metabolic disease, and does not establish direct effects on insulin sensitivity. Within these constraints, chestnut extract represents a potentially promising bioactive dietary intervention for modulating early metabolic responses to WD.

Indexed as

Diet, WesternFagaceaeHydrolyzable TanninsInsulin-Secreting CellsMetabolic SyndromeAnimalsBlood GlucoseInsulinInsulin ResistanceMaleMiceMice, Inbred C57BLBlood GlucoseHydrolyzable TanninsInsulinbeta cellscalcium imagingellagitanninsglucose intoleranceinsulin resistancemetabolic syndromemouse modelwestern diet

Identifiers

PMID42147107
PMCPMC13173460

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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.