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Betz IR, Qaiyumi SJ, Goeritzer M, Thiele A, Brix S, Beyhoff N, Grune J, Klopfleisch R, Greulich F, Uhlenhaut NH, Kintscher U, Foryst-Ludwig A. Cardioprotective Effects of Palmitoleic Acid (C16:1n7) in a Mouse Model of Catecholamine-Induced Cardiac Damage Are Mediated by PPAR Activation. Int J Mol Sci 2021; 22:ijms222312695. [PMID: 34884498 PMCID: PMC8657733 DOI: 10.3390/ijms222312695] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Revised: 11/12/2021] [Accepted: 11/17/2021] [Indexed: 01/25/2023] Open
Abstract
Palmitoleic acid (C16:1n7) has been identified as a regulator of physiological cardiac hypertrophy. In the present study, we aimed to investigate the molecular pathways involved in C16:1n7 responses in primary murine cardiomyocytes (PCM) and a mouse model of isoproterenol (ISO)-induced cardiac damage. PCMs were stimulated with C16:1n7 or a vehicle. Afterwards, RNA sequencing was performed using an Illumina HiSeq sequencer. Confirmatory analysis was performed in PCMs and HL-1 cardiomyocytes. For an in vivo study, 129 sv mice were orally treated with a vehicle or C16:1n7 for 22 days. After 5 days of pre-treatment, the mice were injected with ISO (25 mg/kg/d s. c.) for 4 consecutive days. Cardiac phenotyping was performed using echocardiography. In total, 129 genes were differentially expressed in PCMs stimulated with C16:1n7, including Angiopoietin-like factor 4 (Angptl4) and Pyruvate Dehydrogenase Kinase 4 (Pdk4). Both Angptl4 and Pdk4 are proxisome proliferator-activated receptor α/δ (PPARα/δ) target genes. Our in vivo results indicated cardioprotective and anti-fibrotic effects of C16:1n7 application in mice. This was associated with the C16:1n7-dependent regulation of the cardiac PPAR-specific signaling pathways. In conclusion, our experiments demonstrated that C16:1n7 might have protective effects on cardiac fibrosis and inflammation. Our study may help to develop future lipid-based therapies for catecholamine-induced cardiac damage.
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Affiliation(s)
- Iris Rosa Betz
- Center for Cardiovascular Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10115 Berlin, Germany; (I.R.B.); (S.J.Q.); (M.G.); (A.T.); (S.B.); (N.B.); (J.G.); (U.K.)
- Berlin Institute of Health, Emergency Department Campus Benjamin Franklin, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 12203 Berlin, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, 10785 Berlin, Germany
| | - Sarah Julia Qaiyumi
- Center for Cardiovascular Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10115 Berlin, Germany; (I.R.B.); (S.J.Q.); (M.G.); (A.T.); (S.B.); (N.B.); (J.G.); (U.K.)
| | - Madeleine Goeritzer
- Center for Cardiovascular Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10115 Berlin, Germany; (I.R.B.); (S.J.Q.); (M.G.); (A.T.); (S.B.); (N.B.); (J.G.); (U.K.)
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, 10785 Berlin, Germany
| | - Arne Thiele
- Center for Cardiovascular Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10115 Berlin, Germany; (I.R.B.); (S.J.Q.); (M.G.); (A.T.); (S.B.); (N.B.); (J.G.); (U.K.)
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, 10785 Berlin, Germany
| | - Sarah Brix
- Center for Cardiovascular Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10115 Berlin, Germany; (I.R.B.); (S.J.Q.); (M.G.); (A.T.); (S.B.); (N.B.); (J.G.); (U.K.)
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, 10785 Berlin, Germany
| | - Niklas Beyhoff
- Center for Cardiovascular Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10115 Berlin, Germany; (I.R.B.); (S.J.Q.); (M.G.); (A.T.); (S.B.); (N.B.); (J.G.); (U.K.)
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, 10785 Berlin, Germany
| | - Jana Grune
- Center for Cardiovascular Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10115 Berlin, Germany; (I.R.B.); (S.J.Q.); (M.G.); (A.T.); (S.B.); (N.B.); (J.G.); (U.K.)
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, 10785 Berlin, Germany
| | - Robert Klopfleisch
- Department of Veterinary Pathology, College of Veterinary Medicine, Freie Universität Berlin, 14163 Berlin, Germany;
| | - Franziska Greulich
- German Center for Environmental Health GmbH, Institute for Diabetes and Cancer (IDC), 85764 Munich, Germany; (F.G.); (N.H.U.)
- Metabolic Programming, School of Life Sciences Weihenstephan, Technische Universitaet Muenchen (TUM), 85354 Freising, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Munich, 13125 Berlin, Germany
| | - Nina Henriette Uhlenhaut
- German Center for Environmental Health GmbH, Institute for Diabetes and Cancer (IDC), 85764 Munich, Germany; (F.G.); (N.H.U.)
- Metabolic Programming, School of Life Sciences Weihenstephan, Technische Universitaet Muenchen (TUM), 85354 Freising, Germany
- DZHK (German Centre for Cardiovascular Research), Partner Site Munich, 13125 Berlin, Germany
| | - Ulrich Kintscher
- Center for Cardiovascular Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10115 Berlin, Germany; (I.R.B.); (S.J.Q.); (M.G.); (A.T.); (S.B.); (N.B.); (J.G.); (U.K.)
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, 10785 Berlin, Germany
| | - Anna Foryst-Ludwig
- Center for Cardiovascular Research, Institute of Pharmacology, Charité-Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 10115 Berlin, Germany; (I.R.B.); (S.J.Q.); (M.G.); (A.T.); (S.B.); (N.B.); (J.G.); (U.K.)
- DZHK (German Centre for Cardiovascular Research), Partner Site Berlin, 10785 Berlin, Germany
- Correspondence:
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