Evidence map›Paper›PMID 42364015›Full record

ArticleMolecular biology reports2026

Secoisolariciresinol diglucoside ameliorates muscarinic acetylcholine receptor mediated activation of NLRP3 inflammasome in cardiomyocytes.

Sowmiya Babu, Radha Madhyastha, Harishkumar Madhyastha, Rizki Radhitya Menaldi, Tomoko Maruyama, Yuichi Nakajima, Nozomi Watanabe

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Article in Molecular biology 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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4 · The record

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5 · Who and what money

Authors and funding

7 authors.

Sowmiya BabuDepartment of Cardiovascular Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan.
Radha MadhyasthaDepartment of Cardiovascular Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan.
Harishkumar MadhyasthaDepartment of Cardiovascular Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan.
Rizki Radhitya MenaldiDepartment of Cardiovascular Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan.
Tomoko MaruyamaDepartment of Cardiovascular Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan.
Yuichi NakajimaDepartment of Cardiovascular Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan.
Nozomi WatanabeDepartment of Cardiovascular Physiology, Faculty of Medicine, University of Miyazaki, Miyazaki, Japan. nozomi_watanabe@med.miyazaki-u.ac.jp.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundSecoisolariciresinol diglucoside (SDG), the main lignan found in flaxseed, contributes to cardioprotection. However, its molecular mechanism of action remains unknown. NOD-like receptor protein containing domain 3 (NLRP3), a critical mediator in inflammatory pathways, is one of the key players in cardiovascular disease progression and is a promising target for cardioprotective interventions. This study investigated the immunomodulatory effect of SDG in regulating acetylcholine receptor-mediated activation of the NLRP3 inflammasome. METHODS AND

resultsHL-1 mouse cardiomyocytes were treated with carbachol, a cholinergic agonist, and analyzed for the expression and activation of NLRP3 family members (NLRP3, ASC, Caspase-1, IL-18, and IL-1beta). Investigations included preconditioning with SDG, NF-kappa B (NF-κB) inhibitor, or antagonists for acetylcholine receptors. NLRP3 components and NF-κB were analyzed by immunostaining and immunofluorescence. Caspase-1 activity and gasdermin D expression were studied as the functional endpoints of NLRP3 activation. Carbachol induced the activation of NLRP3 inflammasomes in HL-1 cardiomyocytes. Pre-treatment with SDG significantly attenuated the carbachol-induced activation of NLRP3 inflammasome. NLRP3 activation was also subdued in the presence of atropine, and NF-κB activation inhibitor, confirming the role of the muscarinic receptor and the NF-κB pathway, respectively.

conclusionThe study revealed the beneficial therapeutic properties of SDG as an anti-inflammatory agent that can help prevent NLRP3-induced inflammation. Further, the findings highlight the pro-inflammatory property of muscarinic cholinergic system, in contrast to the known nicotinic cholinergic anti-inflammatory system.

Indexed as

Butylene GlycolsGlucosidesInflammasomesMyocytes, CardiacNLR Family, Pyrin Domain-Containing 3 ProteinReceptors, MuscarinicAnimalsCarbacholCaspase 1Cell LineInterleukin-1betaMiceNF-kappa BSignal TransductionButylene GlycolsCarbacholCaspase 1GlucosidesInflammasomesInterleukin-1betaNF-kappa BNLR Family, Pyrin Domain-Containing 3 ProteinNlrp3 protein, mouseReceptors, Muscarinicsecoisolariciresinol diglucosideAcetylcholineCardiomyocytesInflammationMuscarinic receptorNF-κBNLRP3 inflammasome

Identifiers

PMID42364015
PMCPMC13310224

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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.