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Marvanova A, Kasik P, Elsnicova B, Tibenska V, Galatik F, Hornikova D, Zvolska V, Vebr P, Vodicka P, Hejnova L, Matous P, Szeiff Bacova B, Sykora M, Novotny J, Neuzil J, Kolar F, Novakova O, Zurmanova JM. Continuous short-term acclimation to moderate cold elicits cardioprotection in rats, and alters β-adrenergic signaling and immune status. Sci Rep 2023; 13:18287. [PMID: 37880253 PMCID: PMC10600221 DOI: 10.1038/s41598-023-44205-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 10/04/2023] [Indexed: 10/27/2023] Open
Abstract
Moderate cold acclimation (MCA) is a non-invasive intervention mitigating effects of various pathological conditions including myocardial infarction. We aim to determine the shortest cardioprotective regimen of MCA and the response of β1/2/3-adrenoceptors (β-AR), its downstream signaling, and inflammatory status, which play a role in cell-survival during myocardial infarction. Adult male Wistar rats were acclimated (9 °C, 1-3-10 days). Infarct size, echocardiography, western blotting, ELISA, mitochondrial respirometry, receptor binding assay, and quantitative immunofluorescence microscopy were carried out on left ventricular myocardium and brown adipose tissue (BAT). MultiPlex analysis of cytokines and chemokines in serum was accomplished. We found that short-term MCA reduced myocardial infarction, improved resistance of mitochondria to Ca2+-overload, and downregulated β1-ARs. The β2-ARs/protein kinase B/Akt were attenuated while β3-ARs translocated on the T-tubular system suggesting its activation. Protein kinase G (PKG) translocated to sarcoplasmic reticulum and phosphorylation of AMPKThr172 increased after 10 days. Principal component analysis revealed a significant shift in cytokine/chemokine serum levels on day 10 of acclimation, which corresponds to maturation of BAT. In conclusion, short-term MCA increases heart resilience to ischemia without any negative side effects such as hypertension or hypertrophy. Cold-elicited cardioprotection is accompanied by β1/2-AR desensitization, activation of the β3-AR/PKG/AMPK pathways, and an immunomodulatory effect.
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Affiliation(s)
- Aneta Marvanova
- Faculty of Science, Department of Physiology, Charles University, Vinicna 7, 128 00, Prague 2, Czech Republic
| | - Petr Kasik
- Faculty of Science, Department of Physiology, Charles University, Vinicna 7, 128 00, Prague 2, Czech Republic
| | - Barbara Elsnicova
- Faculty of Science, Department of Physiology, Charles University, Vinicna 7, 128 00, Prague 2, Czech Republic
| | - Veronika Tibenska
- Faculty of Science, Department of Physiology, Charles University, Vinicna 7, 128 00, Prague 2, Czech Republic
| | - František Galatik
- Faculty of Science, Department of Physiology, Charles University, Vinicna 7, 128 00, Prague 2, Czech Republic
| | - Daniela Hornikova
- Faculty of Science, Department of Physiology, Charles University, Vinicna 7, 128 00, Prague 2, Czech Republic
| | - Veronika Zvolska
- Faculty of Science, Department of Physiology, Charles University, Vinicna 7, 128 00, Prague 2, Czech Republic
| | - Pavel Vebr
- Faculty of Science, Department of Physiology, Charles University, Vinicna 7, 128 00, Prague 2, Czech Republic
| | - Petr Vodicka
- Institute of Animal Physiology and Genetics, Czech Academy of Sciences, Libechov, Czech Republic
| | - Lucie Hejnova
- Faculty of Science, Department of Physiology, Charles University, Vinicna 7, 128 00, Prague 2, Czech Republic
| | - Petr Matous
- First Faculty of Medicine, Center for Advanced Preclinical Imaging (CAPI), Charles University, Prague, Czech Republic
| | - Barbara Szeiff Bacova
- Centre of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Matus Sykora
- Centre of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, Bratislava, Slovak Republic
| | - Jiri Novotny
- Faculty of Science, Department of Physiology, Charles University, Vinicna 7, 128 00, Prague 2, Czech Republic
| | - Jiri Neuzil
- Faculty of Science, Department of Physiology, Charles University, Vinicna 7, 128 00, Prague 2, Czech Republic
- Institute of Biotechnology, Czech Academy of Sciences, Prague-West, Czech Republic
- School of Pharmacy and Medical Science, Griffith University, Southport, QLD, Australia
| | - Frantisek Kolar
- Institute of Physiology, Czech Academy of Sciences, Prague, Czech Republic
| | - Olga Novakova
- Faculty of Science, Department of Physiology, Charles University, Vinicna 7, 128 00, Prague 2, Czech Republic
- Institute of Physiology, Czech Academy of Sciences, Prague, Czech Republic
| | - Jitka M Zurmanova
- Faculty of Science, Department of Physiology, Charles University, Vinicna 7, 128 00, Prague 2, Czech Republic.
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