Evidence mapPaperPMID 41501924Full record

ArticleDiabetology & metabolic syndrome2026

Aerobic exercise training attenuates cardiac inflammation and fibrosis in mice with type 2 diabetes and inhibits the advanced glycation end products pathway.

Karine Lino Rodrigues, Vivian Vieira Dias Da Silva, Daniel Olindo de Castro-Linhares, Evelyn Nunes Goulart da Silva Pereira, Raquel Rangel Silvares, Beatriz Peres de Araujo, Juliana Magalhães Chaves Barbosa, Anissa Daliry

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Article in Diabetology & metabolic syndrome, 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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5 · Who and what money

Authors and funding

8 authors.

Karine Lino RodriguesLaboratory of Clinical and Experimental Physiopathology, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil.
Vivian Vieira Dias Da SilvaLaboratory of Clinical and Experimental Physiopathology, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil.
Daniel Olindo de Castro-LinharesLaboratory of Clinical and Experimental Physiopathology, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil.
Evelyn Nunes Goulart da Silva PereiraLaboratory of Clinical and Experimental Physiopathology, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil.
Raquel Rangel SilvaresLaboratory of Clinical and Experimental Physiopathology, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil.
Beatriz Peres de AraujoLaboratory of Clinical and Experimental Physiopathology, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil.
Juliana Magalhães Chaves BarbosaCellular Biology Laboratory, Oswaldo Cruz Institute, Rio de Janeiro, Brazil.
Anissa DaliryLaboratory of Clinical and Experimental Physiopathology, Oswaldo Cruz Foundation, Rio de Janeiro, Brazil. daliry@ioc.fiocruz.br.

Funding

Conselho Nacional de Desenvolvimento Científico e Tecnológico , Brasil 445945/2020-6Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro 201.331/2021Fundação Oswaldo Cruz VPPIS-004-FIO-18-61
6 · The paper itself

Abstract

backgroundType 2 diabetes mellitus (T2D) is associated with cardiac dysfunction caused by oxidative stress, inflammation, and fibrosis. Exercise has shown cardioprotective effects in T2D. However, the impact on the Advanced Glycation End Products (AGE) and its receptors remains unclear. In this study, we investigated whether aerobic exercise modulates the AGE signaling pathway in the hearts of diabetic mice and whether it is associated with oxidative and inflammatory damage.

methodsMale C57BL/6 mice were fed a control (CTL) diet or a high-fat, high-carbohydrate (HFHC) diet to induce T2D. A subset of the T2D mice underwent aerobic training for 12 weeks (T2D EX), whereas the other mice remained sedentary (T2D). Cardiac tissues were analyzed for AGE deposition, AGE receptors expression, oxidative stress markers, cytokine profiles, and histological changes, including fibrosis and inflammation.

resultsAerobic exercise in T2D mice reduced the cardiac deposition of fluorescent AGEs and CML, decreased RAGE protein and gene expression, downregulated CD36 and galectin-3 receptors, while not affecting GLO-1 detoxification system. Exercise in T2D mice suppressed cardiac inflammation and fibrosis. Improvements in inflammatory profiles included reduced expression of IL-6, TNF-α, and NF-kB. However, markers of oxidative stress, such as malondialdehyde, remained largely unaffected by exercise. Pearson's correlation analysis showed strong associations between AGE signaling pathway components and cardiac fibrosis, inflammation, and oxidative stress parameters.

conclusionsAerobic exercise mitigates cardiac changes in T2D by downregulating the AGE signaling pathway and reducing fibrosis and inflammation. These findings highlight the therapeutic potential of exercise in interfering with AGE-mediated mechanisms to alleviate T2D-associated cardiovascular complications.

Indexed as

Advanced glycation end productsAerobic trainingCardioprotectionType 2 diabetes

Identifiers

PMID41501924
PMCPMC12870502

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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 Socratic graph.