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Vishwakarma VK, Shah S, Kaur T, Singh AP, Arava SK, Kumar N, Yadav RK, Yadav S, Arora T, Yadav HN. Effect of vinpocetine alone and in combination with enalapril in experimental model of diabetic cardiomyopathy in rats: possible involvement of PDE-1/TGF-β/ Smad 2/3 signalling pathways. J Pharm Pharmacol 2023; 75:1198-1211. [PMID: 37229596 DOI: 10.1093/jpp/rgad043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Accepted: 04/25/2023] [Indexed: 05/27/2023]
Abstract
OBJECTIVE Diabetic cardiomyopathy (DC) is one of the severe secondary complications of diabetes mellitus in humans. Vinpocetine is an alkaloid having pleiotropic pharmacological effects. The present study is designed to investigate the effect of vinpocetine in DC in rats. METHODS Rats were fed a high-fat diet for nine weeks along with single dose of streptozotocin after the second week to induce DC. The haemodynamic evaluation was performed to assess the functional status of rats using the Biopac system. Cardiac echocardiography, biochemical, oxidative stress parameters and inflammatory cytokine level were analysed in addition to haematoxylin-eosin and Masson's trichome staining to study histological changes, cardiomyocyte diameter and fibrosis, respectively. Phosphodiesterase-1 (PDE-1), transforming growth factor-β (TGF-β) and p-Smad 2/3 expression in cardiac tissues were quantified using western blot/RT-PCR. KEY FINDING Vinpocetine treatment and its combination with enalapril decreased the glucose levels compared to diabetic rats. Vinpocetine improved the echocardiographic parameters and cardiac functional status of rats. Vinpocetine decreased the cardiac biochemical parameters, oxidative stress, inflammatory cytokine levels, cardiomyocyte diameter and fibrosis in rats. Interestingly, expressions of PDE-1, TGF-β and p-Smad 2/3 were ameliorated by vinpocetine alone and in combination with enalapril. CONCLUSIONS Vinpocetine is a well-known inhibitor of PDE-1 and the protective effect of vinpocetine in DC is exerted by inhibition of PDE-1 and subsequent inhibition of the expression of TGF-β/Smad 2/3.
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Affiliation(s)
| | - Sadia Shah
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India
| | - Tajpreet Kaur
- Department of Pharmacology, Khalsa College of Pharmacy, Amritsar, India
| | - Amrit Pal Singh
- Department of Pharmaceutical Sciences, Guru Nanak Dev University, Amritsar, India
| | - Sudheer Kumar Arava
- Department of Pathology, All India Institute of Medical Sciences, New Delhi, India
| | - Niraj Kumar
- Department of Neuroanesthesiogy and Critical Care, All India Institute of Medical Sciences, New Delhi, India
| | - Raj Kanwar Yadav
- Department Nephrology, All India Institute of Medical Sciences, New Delhi, India
| | - Sushma Yadav
- Department of Obstetrics and Gynaecology, SHKM Government Medical College, Nuh, Haryana, India
| | - Taruna Arora
- RBMCH, ICMR-Head Quarter's Ansari Nagar, New Delhi, India
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Kaplan A, Abidi E, Diab R, Ghali R, Al-Awassi H, Booz GW, Zouein FA. Sex differences in cardiac remodeling post myocardial infarction with acute cigarette smoking. Biol Sex Differ 2022; 13:36. [PMID: 35799275 PMCID: PMC9264586 DOI: 10.1186/s13293-022-00446-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2022] [Accepted: 06/22/2022] [Indexed: 11/10/2022] Open
Abstract
Background Whether cigarette smoking affects the heart post-myocardial infarction (MI) in a sex-dependent way remains controversial. Using a mouse model, we investigated cardiac remodeling under the influence of acute cigarette smoke (CS) exposure following ischemic injury in both sexes. Methods Ten cigarettes were smoked twice daily for 2 weeks followed by MI and then 1 additional week post permanent LAD ligation. Cardiac function, histology, and infarct size were assessed, and inflammatory markers quantified by RT–PCR. Statistical comparisons were performed using an unpaired t test or ANOVA followed by Tukey post hoc test. Results We observed that cigarette smoking exacerbated both left and right ventricular remodeling only in males at an early stage of post-MI. Females did not display a significant structural and/or functional alteration within 7 days of cardiac remodeling post-MI upon CS exposure. Worsened right ventricular remodeling in males was independent of pulmonary congestion. CS-exposed males exhibited enhanced increases in left ventricular end systolic and diastolic volumes, as well as reductions in ejection fraction and fractional area changes of left ventricular base. At day 7, infarct size was increased by cigarette smoking in males only, which was accompanied by enhanced collagen deposition in both the infarcted and peri-infarcted areas. Both IL-6 and TNF-α mRNA expression significantly increased in CS-exposed MI male group only at day 7 post-MI suggestive of prolonged inflammation. Conclusions These findings indicate that CS exposure worsens the progression of cardiac remodeling post-MI in male sex in a significant manner compared to female sex at least at early stages.
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Affiliation(s)
- Abdullah Kaplan
- Department of Pharmacology and Toxicology, Medical Center, American University of Beirut, Faculty of Medicine, Riad El-Solh, Beirut, 1107 2020, Lebanon.,Department of Cardiology, Kemer Public Hospital, Hastane Cd. No: 9, 07980, Kemer, Antalya, Turkey.,The Cardiovascular, Renal, and Metabolic Diseases Research Center of Excellence, American University of Beirut Medical Center, Riad El-Solh, Beirut, Lebanon
| | - Emna Abidi
- Department of Pharmacology and Toxicology, Medical Center, American University of Beirut, Faculty of Medicine, Riad El-Solh, Beirut, 1107 2020, Lebanon.,The Cardiovascular, Renal, and Metabolic Diseases Research Center of Excellence, American University of Beirut Medical Center, Riad El-Solh, Beirut, Lebanon.,Department of Pharmacy, Cleveland Clinic Abu Dhabi, Abu Dhabi, UAE
| | - Reine Diab
- Department of Pharmacology and Toxicology, Medical Center, American University of Beirut, Faculty of Medicine, Riad El-Solh, Beirut, 1107 2020, Lebanon.,The Cardiovascular, Renal, and Metabolic Diseases Research Center of Excellence, American University of Beirut Medical Center, Riad El-Solh, Beirut, Lebanon
| | - Rana Ghali
- Department of Pharmacology and Toxicology, Medical Center, American University of Beirut, Faculty of Medicine, Riad El-Solh, Beirut, 1107 2020, Lebanon.,The Cardiovascular, Renal, and Metabolic Diseases Research Center of Excellence, American University of Beirut Medical Center, Riad El-Solh, Beirut, Lebanon
| | - Hiam Al-Awassi
- Department of Pharmacology and Toxicology, Medical Center, American University of Beirut, Faculty of Medicine, Riad El-Solh, Beirut, 1107 2020, Lebanon.,The Cardiovascular, Renal, and Metabolic Diseases Research Center of Excellence, American University of Beirut Medical Center, Riad El-Solh, Beirut, Lebanon
| | - George W Booz
- Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center, Jackson, MS, 39216-4500, USA
| | - Fouad A Zouein
- Department of Pharmacology and Toxicology, Medical Center, American University of Beirut, Faculty of Medicine, Riad El-Solh, Beirut, 1107 2020, Lebanon. .,The Cardiovascular, Renal, and Metabolic Diseases Research Center of Excellence, American University of Beirut Medical Center, Riad El-Solh, Beirut, Lebanon. .,Department of Pharmacology and Toxicology, School of Medicine, University of Mississippi Medical Center, Jackson, MS, 39216-4500, USA. .,Department of Signaling and Cardiovascular Pathophysiology, UMR-S 1180, Inserm, Université Paris-Saclay, Paris, France.
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Leiva O, Hobbs G, Ravid K, Libby P. Cardiovascular Disease in Myeloproliferative Neoplasms: JACC: CardioOncology State-of-the-Art Review. JACC CardioOncol 2022; 4:166-182. [PMID: 35818539 PMCID: PMC9270630 DOI: 10.1016/j.jaccao.2022.04.002] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2021] [Revised: 04/19/2022] [Accepted: 04/22/2022] [Indexed: 11/24/2022] Open
Abstract
Myeloproliferative neoplasms are associated with increased risk for thrombotic complications. These conditions most commonly involve somatic mutations in genes that lead to constitutive activation of the Janus-associated kinase signaling pathway (eg, Janus kinase 2, calreticulin, myeloproliferative leukemia protein). Acquired gain-of-function mutations in these genes, particularly Janus kinase 2, can cause a spectrum of disorders, ranging from clonal hematopoiesis of indeterminate potential, a recently recognized age-related promoter of cardiovascular disease, to frank hematologic malignancy. Beyond thrombosis, patients with myeloproliferative neoplasms can develop other cardiovascular conditions, including heart failure and pulmonary hypertension. The authors review the pathophysiologic mechanisms of cardiovascular complications of myeloproliferative neoplasms, which involve inflammation, prothrombotic and profibrotic factors (including transforming growth factor-beta and lysyl oxidase), and abnormal function of circulating clones of mutated leukocytes and platelets from affected individuals. Anti-inflammatory therapies may provide cardiovascular benefit in patients with myeloproliferative neoplasms, a hypothesis that requires rigorous evaluation in clinical trials.
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Key Words
- ASXL1, additional sex Combs-like 1
- CHIP, clonal hematopoiesis of indeterminate potential
- DNMT3a, DNA methyltransferase 3 alpha
- IL, interleukin
- JAK, Janus-associated kinase
- JAK2, Janus kinase 2
- LOX, lysyl oxidase
- MPL, myeloproliferative leukemia protein
- MPN, myeloproliferative neoplasm
- STAT, signal transducer and activator of transcription
- TET2, tet methylcytosine dioxygenase 2
- TGF, transforming growth factor
- atherosclerosis
- cardiovascular complications
- clonal hematopoiesis
- myeloproliferative neoplasms
- thrombosis
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Affiliation(s)
- Orly Leiva
- Division of Cardiology, Department of Medicine, New York University Grossman School of Medicine, New York, New York, USA
- Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Gabriela Hobbs
- Division of Hematology Oncology, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Katya Ravid
- Department of Medicine and Whitaker Cardiovascular Institute, Boston University School of Medicine, Boston, Massachusetts, USA
| | - Peter Libby
- Division of Cardiovascular Medicine, Department of Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
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Podocyte-Related Mechanisms Underlying Survival Benefit of Long-Term Angiotensin Receptor Blocker. Int J Mol Sci 2022; 23:ijms23116018. [PMID: 35682697 PMCID: PMC9181646 DOI: 10.3390/ijms23116018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/18/2022] [Accepted: 05/23/2022] [Indexed: 12/10/2022] Open
Abstract
We previously found that short-term treatment (week 8 to 12 after injury) with high-dose angiotensin receptor blocker (ARB) induced the regression of existing glomerulosclerosis in 5/6 nephrectomy rats. We therefore assessed the effects of long-term intervention with ARB vs. nonspecific antihypertensives in this study. Adult rats underwent 5/6 nephrectomy and renal biopsy 8 weeks later. The rats were then divided into three groups with equivalent renal function and glomerular sclerosis and treated with high-dose losartan (ARB), nonspecific antihypertensive triple-therapy (TRX), or left untreated (Control) until week 30. We found that blood pressure, serum creatinine levels, and glomerulosclerosis were lower at sacrifice in ARB and TRX vs. Control. Only ARB reduced proteinuria and maintained the density of WT-1-positive podocytes. Glomerular tufts showed more double-positive cells for CD44, a marker of activated parietal epithelial cells, and synaptopodin after ARB vs. TRX or Control. ARB treatment reduced aldosterone levels. ARB-treated rats had significantly improved survival when compared with TRX or Control. We conclude that both long-term ARB and triple-therapy ameliorate progression, but do not sustain the regression of glomerulosclerosis. ARB resulted in the superior preservation of podocyte integrity and decreased proteinuria and aldosterone, linked to increased survival in the uremic environment.
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Valls-Lacalle L, Puertas-Umbert L, Varona S, Martínez-González J, Rodríguez C, Rodríguez-Sinovas A. Human Lysyl Oxidase Over-Expression Enhances Baseline Cardiac Oxidative Stress but Does Not Aggravate ROS Generation or Infarct Size Following Myocardial Ischemia-Reperfusion. Antioxidants (Basel) 2021; 11:antiox11010075. [PMID: 35052579 PMCID: PMC8773108 DOI: 10.3390/antiox11010075] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/17/2021] [Accepted: 12/27/2021] [Indexed: 02/07/2023] Open
Abstract
Lysyl oxidase (LOX) is an enzyme critically involved in collagen maturation, whose activity releases H2O2 as a by-product. Previous studies demonstrated that LOX over-expression enhances reactive oxygen species (ROS) production and exacerbates cardiac remodeling induced by pressure overload. However, whether LOX influences acute myocardial infarction and post-infarct left ventricular remodeling and the contribution of LOX to myocardial oxidative stress following ischemia-reperfusion have not been analyzed. Isolated hearts from transgenic mice over-expressing human LOX in the heart (TgLOX) and wild-type (WT) littermates were subjected to global ischemia and reperfusion. Although under basal conditions LOX transgenesis is associated with higher cardiac superoxide levels than WT mice, no differences in ROS production were detected in ischemic hearts and a comparable acute ischemia-reperfusion injury was observed (infarct size: 56.24 ± 9.44 vs. 48.63 ± 2.99% of cardiac weight in WT and TgLOX, respectively). Further, similar changes in cardiac dimensions and function were observed in TgLOX and WT mice 28 days after myocardial infarction induced by transient left anterior descending (LAD) coronary artery occlusion, and no differences in scar area were detected (20.29 ± 3.10 vs. 21.83 ± 2.83% of left ventricle). Our data evidence that, although LOX transgenesis induces baseline myocardial oxidative stress, neither ROS production, infarct size, nor post-infarction cardiac remodeling were exacerbated following myocardial ischemia-reperfusion.
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Affiliation(s)
- Laura Valls-Lacalle
- Cardiovascular Diseases Research Group, Vall d’Hebron Institut de Recerca (VHIR), Vall d’Hebron Barcelona Hospital Campus, 08035 Barcelona, Spain;
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBER-CV), Instituto de Salud Carlos III, 28029 Madrid, Spain; (S.V.); (J.M.-G.)
| | - Lídia Puertas-Umbert
- Institut de Recerca del Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain;
- Instituto de Investigación Biomédica Sant Pau, 08041 Barcelona, Spain
| | - Saray Varona
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBER-CV), Instituto de Salud Carlos III, 28029 Madrid, Spain; (S.V.); (J.M.-G.)
- Instituto de Investigación Biomédica Sant Pau, 08041 Barcelona, Spain
- Instituto de Investigaciones Biomédicas de Barcelona-Consejo Superior de Investigaciones Científicas (IIBB-CSIC), 08036 Barcelona, Spain
| | - José Martínez-González
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBER-CV), Instituto de Salud Carlos III, 28029 Madrid, Spain; (S.V.); (J.M.-G.)
- Instituto de Investigación Biomédica Sant Pau, 08041 Barcelona, Spain
- Instituto de Investigaciones Biomédicas de Barcelona-Consejo Superior de Investigaciones Científicas (IIBB-CSIC), 08036 Barcelona, Spain
| | - Cristina Rodríguez
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBER-CV), Instituto de Salud Carlos III, 28029 Madrid, Spain; (S.V.); (J.M.-G.)
- Institut de Recerca del Hospital de la Santa Creu i Sant Pau, 08041 Barcelona, Spain;
- Instituto de Investigación Biomédica Sant Pau, 08041 Barcelona, Spain
- Correspondence: (C.R.); (A.R.-S.)
| | - Antonio Rodríguez-Sinovas
- Cardiovascular Diseases Research Group, Vall d’Hebron Institut de Recerca (VHIR), Vall d’Hebron Barcelona Hospital Campus, 08035 Barcelona, Spain;
- Centro de Investigación Biomédica en Red de Enfermedades Cardiovasculares (CIBER-CV), Instituto de Salud Carlos III, 28029 Madrid, Spain; (S.V.); (J.M.-G.)
- Correspondence: (C.R.); (A.R.-S.)
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Dardi P, Perazza LR, Couto GK, Campos GP, Capettini LDSA, Rossoni LV. Vena cava presents endothelial dysfunction prior to thoracic aorta in heart failure: the pivotal role of nNOS uncoupling/oxidative stress. Clin Sci (Lond) 2021; 135:2625-2641. [PMID: 34783347 DOI: 10.1042/cs20210810] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 11/05/2021] [Accepted: 11/15/2021] [Indexed: 11/17/2022]
Abstract
Arterial endothelial dysfunction has been extensively studied in heart failure (HF). However, little is known about the adjustments shown by the venous system in this condition. Considering that inferior vena cava (VC) tone could influence cardiac performance and HF prognosis, the aim of the present study was to assess the VC and thoracic aorta (TA) endothelial function of HF-post-myocardial infarction (MI) rats, comparing both endothelial responses and signaling pathways developed. Vascular reactivity of TA and VC from HF post-MI and sham operated (SO) rats was assessed with a wire myograph, 4 weeks after coronary artery occlusion surgery. Nitric oxide (NO), H2O2 production and oxidative stress were evaluated in situ with fluorescent probes, while protein expression and dimer/monomer ratio was assessed by Western blot. VC from HF rats presented endothelial dysfunction, while TA exhibited higher acetylcholine (ACh)-induced vasodilation when compared with vessels from SO rats. TA exhibited increased ACh-induced NO production due to a higher coupling of endothelial and neuronal NO synthases isoforms (eNOS, nNOS), and enhanced expression of antioxidant enzymes. These adjustments, however, were absent in VC of HF post-MI rats, which exhibited uncoupled nNOS, oxidative stress and higher H2O2 bioavailability. Altogether, the present study suggests a differential regulation of endothelial function between VC and TA of HF post-MI rats, most likely due to nNOS uncoupling and compromised antioxidant defense.
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Affiliation(s)
- Patrizia Dardi
- Department of Physiology and Biophysics, Institute of Biomedical Science, University of Sao Paulo, Sao Paulo, Brazil
| | - Laís Rossi Perazza
- Department of Physiology and Biophysics, Institute of Biomedical Science, University of Sao Paulo, Sao Paulo, Brazil
| | - Gisele Kruger Couto
- Department of Physiology and Biophysics, Institute of Biomedical Science, University of Sao Paulo, Sao Paulo, Brazil
| | - Gianne Paul Campos
- Department of Pharmacology, Institute of Biological Science, University of Minas Gerais, Minas Gerais, Brazil
| | | | - Luciana Venturini Rossoni
- Department of Physiology and Biophysics, Institute of Biomedical Science, University of Sao Paulo, Sao Paulo, Brazil
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Kovács Á, Herwig M, Budde H, Delalat S, Kolijn D, Bódi B, Hassoun R, Tangos M, Zhazykbayeva S, Balogh Á, Czuriga D, Van Linthout S, Tschöpe C, Dhalla NS, Mügge A, Tóth A, Papp Z, Barta J, Hamdani N. Interventricular Differences of Signaling Pathways-Mediated Regulation of Cardiomyocyte Function in Response to High Oxidative Stress in the Post-Ischemic Failing Rat Heart. Antioxidants (Basel) 2021; 10:antiox10060964. [PMID: 34208541 PMCID: PMC8234177 DOI: 10.3390/antiox10060964] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 05/20/2021] [Accepted: 06/08/2021] [Indexed: 01/09/2023] Open
Abstract
Standard heart failure (HF) therapies have failed to improve cardiac function or survival in HF patients with right ventricular (RV) dysfunction suggesting a divergence in the molecular mechanisms of RV vs. left ventricular (LV) failure. Here we aimed to investigate interventricular differences in sarcomeric regulation and function in experimental myocardial infarction (MI)-induced HF with reduced LV ejection fraction (HFrEF). MI was induced by LAD ligation in Sprague-Dawley male rats. Sham-operated animals served as controls. Eight weeks after intervention, post-ischemic HFrEF and Sham animals were euthanized. Heart tissue samples were deep-frozen stored (n = 3-5 heart/group) for ELISA, kinase activity assays, passive stiffness and Ca2+-sensitivity measurements on isolated cardiomyocytes, phospho-specific Western blot, and PAGE of contractile proteins, as well as for collagen gene expressions. Markers of oxidative stress and inflammation showed interventricular differences in post-ischemic rats: TGF-β1, lipid peroxidation, and 3-nitrotyrosine levels were higher in the LV than RV, while hydrogen peroxide, VCAM-1, TNFα, and TGF-β1 were increased in both ventricles. In addition, nitric oxide (NO) level was significantly decreased, while FN-1 level was significantly increased only in the LV, but both were unchanged in RV. CaMKII activity showed an 81.6% increase in the LV, in contrast to a 38.6% decrease in the RV of HFrEF rats. Cardiomyocyte passive stiffness was higher in the HFrEF compared to the Sham group as evident from significantly steeper Fpassive vs. sarcomere length relationships. In vitro treatment with CaMKIIδ, however, restored cardiomyocyte passive stiffness only in the HFrEF RV, but had no effect in the HFrEF LV. PKG activity was lower in both ventricles in the HFrEF compared to the Sham group. In vitro PKG administration decreased HFrEF cardiomyocyte passive stiffness; however, the effect was more pronounced in the HFrEF LV than HFrEF RV. In line with this, we observed distinct changes of titin site-specific phosphorylation in the RV vs. LV of post-ischemic rats, which may explain divergent cardiomyocyte stiffness modulation observed. Finally, Ca2+-sensitivity of RV cardiomyocytes was unchanged, while LV cardiomyocytes showed increased Ca2+-sensitivity in the HFrEF group. This could be explained by decreased Ser-282 phosphorylation of cMyBP-C by 44.5% in the RV, but without any alteration in the LV, while Ser-23/24 phosphorylation of cTnI was decreased in both ventricles in the HFrEF vs. the Sham group. Our data pointed to distinct signaling pathways-mediated phosphorylations of sarcomeric proteins for the RV and LV of the post-ischemic failing rat heart. These results implicate divergent responses for oxidative stress and open a new avenue in targeting the RV independently of the LV.
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Affiliation(s)
- Árpád Kovács
- Division of Clinical Physiology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (Á.K.); (B.B.); (A.T.); (Z.P.)
- Institut für Forschung und Lehre (IFL) Molecular and Experimental Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany; (M.H.); (H.B.); (S.D.); (D.K.); (R.H.); (M.T.); (S.Z.); (A.M.)
- Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany
| | - Melissa Herwig
- Institut für Forschung und Lehre (IFL) Molecular and Experimental Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany; (M.H.); (H.B.); (S.D.); (D.K.); (R.H.); (M.T.); (S.Z.); (A.M.)
- Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany
| | - Heidi Budde
- Institut für Forschung und Lehre (IFL) Molecular and Experimental Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany; (M.H.); (H.B.); (S.D.); (D.K.); (R.H.); (M.T.); (S.Z.); (A.M.)
- Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany
| | - Simin Delalat
- Institut für Forschung und Lehre (IFL) Molecular and Experimental Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany; (M.H.); (H.B.); (S.D.); (D.K.); (R.H.); (M.T.); (S.Z.); (A.M.)
- Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany
| | - Detmar Kolijn
- Institut für Forschung und Lehre (IFL) Molecular and Experimental Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany; (M.H.); (H.B.); (S.D.); (D.K.); (R.H.); (M.T.); (S.Z.); (A.M.)
- Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany
| | - Beáta Bódi
- Division of Clinical Physiology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (Á.K.); (B.B.); (A.T.); (Z.P.)
| | - Roua Hassoun
- Institut für Forschung und Lehre (IFL) Molecular and Experimental Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany; (M.H.); (H.B.); (S.D.); (D.K.); (R.H.); (M.T.); (S.Z.); (A.M.)
- Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany
| | - Melina Tangos
- Institut für Forschung und Lehre (IFL) Molecular and Experimental Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany; (M.H.); (H.B.); (S.D.); (D.K.); (R.H.); (M.T.); (S.Z.); (A.M.)
- Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany
| | - Saltanat Zhazykbayeva
- Institut für Forschung und Lehre (IFL) Molecular and Experimental Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany; (M.H.); (H.B.); (S.D.); (D.K.); (R.H.); (M.T.); (S.Z.); (A.M.)
- Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany
| | - Ágnes Balogh
- Department of Cardiology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (Á.B.); (D.C.); (J.B.)
| | - Dániel Czuriga
- Department of Cardiology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (Á.B.); (D.C.); (J.B.)
| | - Sophie Van Linthout
- Berlin Institute of Health at Charite (BIH)-Universitätmedizin Berlin, BIH Center for Regenerative Therapies (BCRT), 13353 Berlin, Germany; (S.V.L.); (C.T.)
| | - Carsten Tschöpe
- Berlin Institute of Health at Charite (BIH)-Universitätmedizin Berlin, BIH Center for Regenerative Therapies (BCRT), 13353 Berlin, Germany; (S.V.L.); (C.T.)
| | - Naranjan S. Dhalla
- Institute of Cardiovascular Sciences, St. Boniface Hospital Albrechtsen Research Centre, 351 Tache Avenue, Department of Physiology and Pathophysiology, College of Medicine, Faculty of Health Sciences, University of Manitoba, Winnipeg, MB R2H 2A6, Canada;
| | - Andreas Mügge
- Institut für Forschung und Lehre (IFL) Molecular and Experimental Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany; (M.H.); (H.B.); (S.D.); (D.K.); (R.H.); (M.T.); (S.Z.); (A.M.)
- Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany
| | - Attila Tóth
- Division of Clinical Physiology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (Á.K.); (B.B.); (A.T.); (Z.P.)
- HAS-UD Vascular Biology and Myocardial Pathophysiology Research Group, Hungarian Academy of Sciences, H-4032 Debrecen, Hungary
| | - Zoltán Papp
- Division of Clinical Physiology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (Á.K.); (B.B.); (A.T.); (Z.P.)
- HAS-UD Vascular Biology and Myocardial Pathophysiology Research Group, Hungarian Academy of Sciences, H-4032 Debrecen, Hungary
| | - Judit Barta
- Department of Cardiology, Faculty of Medicine, University of Debrecen, 4032 Debrecen, Hungary; (Á.B.); (D.C.); (J.B.)
| | - Nazha Hamdani
- Institut für Forschung und Lehre (IFL) Molecular and Experimental Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany; (M.H.); (H.B.); (S.D.); (D.K.); (R.H.); (M.T.); (S.Z.); (A.M.)
- Department of Cardiology, St. Josef-Hospital, Ruhr University Bochum, 44801 Bochum, Germany
- Correspondence: ; Tel.: +49-234-5095-9053
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8
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Martonová D, Alkassar M, Seufert J, Holz D, Dương MT, Reischl B, Friedrich O, Leyendecker S. Passive mechanical properties in healthy and infarcted rat left ventricle characterised via a mixture model. J Mech Behav Biomed Mater 2021; 119:104430. [PMID: 33780851 DOI: 10.1016/j.jmbbm.2021.104430] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 02/21/2021] [Accepted: 02/22/2021] [Indexed: 11/29/2022]
Abstract
During the cardiac cycle, electrical excitation is coupled with mechanical response of the myocardium. Besides the active contraction, passive mechanics plays an important role, and its behaviour differs in healthy and diseased hearts as well as among different animal species. The aim of this study is the characterisation of passive mechanical properties in healthy and infarcted rat myocardium by means of mechanical testing and subsequent parameter fitting. Elasticity assessments via uniaxial extension tests are performed on healthy and infarcted tissue samples from left ventricular rat myocardium. In order to fully characterise the orthotropic cardiac tissue, our experimental data are combined with other previously published tests in rats - shear tests on healthy myocardium and equibiaxial tests on infarcted tissue. In a first step, we calibrate the Holzapfel-Ogden strain energy function in the healthy case. Sa far, this orthotropic constitutive law for the passive myocardium has been fitted to experimental data in several species, however there is a lack of an appropriate parameter set for the rat. With our determined parameters, a finite element simulation of the end-diastolic filling is performed. In a second step, we propose a model for the infarcted tissue. It is represented as a mixture of intact myocardium and a transversely isotropic scar structure. In our mechanical experiments, the tissue after myocardial infarction shows significantly stiffer behaviour than in the healthy case, and the stiffness correlates with the amount of fibrosis. A similar relationship is observed in the computational simulation of the end-diastolic filling. We conclude that our new proposed material model can capture the behaviour of two kinds of tissues - healthy and infarcted rat myocardium, and its calibration with the fitted parameters represents the experimental data well.
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Affiliation(s)
- Denisa Martonová
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Institute of Applied Dynamics, Immerwahrstraße 1, 91058 Erlangen, Germany.
| | - Muhannad Alkassar
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Pediatric Cardiology, Loschgestraße 15, 91054 Erlangen, Germany
| | - Julia Seufert
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Pediatric Cardiology, Loschgestraße 15, 91054 Erlangen, Germany
| | - David Holz
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Institute of Applied Dynamics, Immerwahrstraße 1, 91058 Erlangen, Germany
| | - Minh Tuấn Dương
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Institute of Applied Dynamics, Immerwahrstraße 1, 91058 Erlangen, Germany; School of Mechanical Engineering, Hanoi University of Science and Technology, 1 DaiCoViet Road, Hanoi, Vietnam
| | - Barbara Reischl
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Institute of Medical Biotechnology, Paul-Gordan-Str. 3, 91052 Erlangen, Germany
| | - Oliver Friedrich
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Institute of Medical Biotechnology, Paul-Gordan-Str. 3, 91052 Erlangen, Germany
| | - Sigrid Leyendecker
- Friedrich-Alexander-Universität Erlangen-Nürnberg, Institute of Applied Dynamics, Immerwahrstraße 1, 91058 Erlangen, Germany
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9
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Mouton AJ, Flynn ER, Moak SP, Li X, da Silva AA, Wang Z, do Carmo JM, Hall ME, Hall JE. Interaction of Obesity and Hypertension on Cardiac Metabolic Remodeling and Survival Following Myocardial Infarction. J Am Heart Assoc 2021; 10:e018212. [PMID: 33666098 PMCID: PMC8174210 DOI: 10.1161/jaha.120.018212] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Background Obesity and hypertension are risk factors for myocardial infarction (MI); however, their potential interactions on post‐MI outcomes are unclear. We examined interactions of obesity and hypertensionon post‐MI function, remodeling, metabolic changes, and recovery. Methods and Results Male and female C57BL/6J mice were provided standard chow or high‐fat/fructose diet for 8 weeks and then infused with angiotensin II for 2 weeks to induce hypertension. MI was then induced by surgical ligation of the left coronary artery for 7 days. Obesity alone did not cause cardiac injury or exacerbate hypertension‐induced cardiac dysfunction. After MI, however, obese‐normotensive mice had lower survival rates compared with chow‐fed mice (56% versus 89% males; 54% versus 75% females), which were further decreased by hypertension (29% males; and 35% females). Surviving obese‐normotensive males displayed less left ventricular dilation and pulmonary congestion compared with chow‐fed males after MI; hypertension reversed left ventricular dilation because of high‐fat/fructose diet and promoted significant pulmonary congestion compared with chow‐fed controls. Obese‐normotensive males displayed higher left ventricular α‐MHC (alpha‐myosin heavy chain) protein, phosphorylated Akt (protein kinase B) and AMPK (adenosine‐monophosphate activated kinase), PPAR‐γ (peroxisome proliferator activated receptor gamma), and plasma adiponectin levels after MI, indicating favorable contractile and metabolic changes. However, these favorable contractile and metabolic changes were attenuated by hypertension. Obese‐hypertensive males also had lower levels of collagen in the infarcted region, indicating decreased ability to promote an adaptive wound healing response to MI. Conclusions Obesity reduces post‐MI survival but is associated with improved post‐MI cardiac function and metabolism in surviving normotensive mice. When hypertension accompanies obesity, favorable metabolic pathways associated with obesity are attenuated and post‐MI cardiac function and remodeling are adversely impacted.
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Affiliation(s)
- Alan J Mouton
- Department of Physiology and Biophysics University of Mississippi Medical Center Jackson MS.,Mississippi Center for Obesity Research University of Mississippi Medical Center Jackson MS
| | - Elizabeth R Flynn
- Department of Physiology and Biophysics University of Mississippi Medical Center Jackson MS
| | - Sydney P Moak
- Department of Physiology and Biophysics University of Mississippi Medical Center Jackson MS
| | - Xuan Li
- Department of Physiology and Biophysics University of Mississippi Medical Center Jackson MS.,Mississippi Center for Obesity Research University of Mississippi Medical Center Jackson MS
| | - Alexandre A da Silva
- Department of Physiology and Biophysics University of Mississippi Medical Center Jackson MS.,Mississippi Center for Obesity Research University of Mississippi Medical Center Jackson MS
| | - Zhen Wang
- Department of Physiology and Biophysics University of Mississippi Medical Center Jackson MS.,Mississippi Center for Obesity Research University of Mississippi Medical Center Jackson MS
| | - Jussara M do Carmo
- Department of Physiology and Biophysics University of Mississippi Medical Center Jackson MS.,Mississippi Center for Obesity Research University of Mississippi Medical Center Jackson MS
| | - Michael E Hall
- Department of Physiology and Biophysics University of Mississippi Medical Center Jackson MS.,Department of Medicine University of Mississippi Medical Center Jackson MS.,Mississippi Center for Obesity Research University of Mississippi Medical Center Jackson MS
| | - John E Hall
- Department of Physiology and Biophysics University of Mississippi Medical Center Jackson MS.,Mississippi Center for Obesity Research University of Mississippi Medical Center Jackson MS
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10
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Medvedev RY, Sanchez-Alonso JL, Mansfield CA, Judina A, Francis AJ, Pagiatakis C, Trayanova N, Glukhov AV, Miragoli M, Faggian G, Gorelik J. Local hyperactivation of L-type Ca 2+ channels increases spontaneous Ca 2+ release activity and cellular hypertrophy in right ventricular myocytes from heart failure rats. Sci Rep 2021; 11:4840. [PMID: 33649357 PMCID: PMC7921450 DOI: 10.1038/s41598-021-84275-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Accepted: 01/19/2021] [Indexed: 12/15/2022] Open
Abstract
Right ventricle (RV) dysfunction is an independent predictor of patient survival in heart failure (HF). However, the mechanisms of RV progression towards failing are not well understood. We studied cellular mechanisms of RV remodelling in a rat model of left ventricle myocardial infarction (MI)-caused HF. RV myocytes from HF rats show significant cellular hypertrophy accompanied with a disruption of transverse-axial tubular network and surface flattening. Functionally these cells exhibit higher contractility with lower Ca2+ transients. The structural changes in HF RV myocytes correlate with more frequent spontaneous Ca2+ release activity than in control RV myocytes. This is accompanied by hyperactivated L-type Ca2+ channels (LTCCs) located specifically in the T-tubules of HF RV myocytes. The increased open probability of tubular LTCCs and Ca2+ sparks activation is linked to protein kinase A-mediated channel phosphorylation that occurs locally in T-tubules. Thus, our approach revealed that alterations in RV myocytes in heart failure are specifically localized in microdomains. Our findings may indicate the development of compensatory, though potentially arrhythmogenic, RV remodelling in the setting of LV failure. These data will foster better understanding of mechanisms of heart failure and it could promote an optimized treatment of patients.
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Affiliation(s)
- Roman Y Medvedev
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN, UK.,Dipartimento Di Cardiochirurgia, Università Degli Studi Di Verona, Ospedale Borgo Trento, P.le Stefani 1, 37126, Verona, Italy.,Department of Medicine, Cardiovascular Medicine, Madison School of Medicine and Public Health, University of Wisconsin, Madison, WI, 53705, USA
| | - Jose L Sanchez-Alonso
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN, UK
| | - Catherine A Mansfield
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN, UK
| | - Aleksandra Judina
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN, UK
| | - Alice J Francis
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN, UK
| | | | - Natalia Trayanova
- Department of Biomedical Engineering and Alliance for Cardiovascular Diagnostic and Treatment Innovation, Johns Hopkins University, Baltimore, USA
| | - Alexey V Glukhov
- Department of Medicine, Cardiovascular Medicine, Madison School of Medicine and Public Health, University of Wisconsin, Madison, WI, 53705, USA
| | - Michele Miragoli
- Humanitas Clinical and Research Center - IRCCS, Rozzano, MI, Italy.,Dipartimento Di Medicina E Chirurgia, Università Degli Studi di Parma, Via Gramsci 14, 43124, Parma, Italy
| | - Giuseppe Faggian
- Dipartimento Di Cardiochirurgia, Università Degli Studi Di Verona, Ospedale Borgo Trento, P.le Stefani 1, 37126, Verona, Italy
| | - Julia Gorelik
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN, UK.
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11
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An inquest into regulatory mechanism of caveolin by ischemic preconditioning against orchidectomy-challenged rat heart. Mol Cell Biochem 2021; 476:2587-2601. [PMID: 33646465 DOI: 10.1007/s11010-021-04109-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 02/12/2021] [Indexed: 10/22/2022]
Abstract
Lower level of testosterone in men is related to major risks of cardiovascular diseases. This risk may increase due to the opening of mitochondrial permeability transition pore (mPTP). The mPTP is also regulated by ischemic preconditioning (IPC) and a membrane protein known as caveolin. The cardioprotective effect of IPC is the most effective methodologies used in testosterone deficiency. Daidzein (DDZ) a caveolin inhibitor shows cardioprotective action. The experiment has been designed to evaluate the pretreated DDZ effect in IPC-mediated cardioprotective action in orchidectomy (OCZ)-challenged rat heart. The experiment was designed on male Wistar rats with/without OCZ. The level of testosterone is decreased by OCZ which reduces general body growth. Isolated heart from normal and OCZ rat was tied up on Langendorff's perfused apparatus and followed by ischemic reperfusion (IR) and IPC cycle. To investigate the cardioprotective effect of DDZ in heart with testosterone deficiency, a total of nine groups, each consisting of six rats (n = 6) were as follows: Sham, IR, IPC, IPC + OCZ, IPC + DDZ, IPC + OCZ + DDZ, IPC + sodium nitrite, IPC + OCZ + sodium nitrite, IPC + OCZ + DDZ + sodium nitrite. Hemodynamic parameters, cellular injury (infarct size, LDH, CKMB and cardiac troponin-T), oxidative stress, mitochondrial function, integrity and immunoblot analysis were assessed for each group. The experimental data showed that DDZ potentiated IPC-mediated increase in the heart rate, left ventricular diastolic pressure, coronary flow; + dp/dtmax, and - dp/dtmax. The pretreated DDZ decreases the action of LDH and CKMB, myocyte size, cardiac collagen content, infarct size and ventricular fibrillation and attenuation in oxidative stress and mitochondrial dysfunction in OCZ-challenged rat heart in all sets of experiments. Sodium nitrite, a producer of nitric oxide (NO), enhanced potentiating effects of DDZ on IPC-mediated cardioprotection in OCZ-challenged rats. These observations show that the downregulation of caveolin through impaired opening of mPTP during reperfusion and caveolin might be a potential adjuvant to IPC against cardiac injury in OCZ-challenged rats.
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12
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Zimmer A, Teixeira RB, Constantin RL, Campos-Carraro C, Aparicio Cordero EA, Ortiz VD, Donatti L, Gonzalez E, Bahr AC, Visioli F, Baldo G, Luz de Castro A, Araujo AS, Belló-Klein A. The progression of pulmonary arterial hypertension induced by monocrotaline is characterized by lung nitrosative and oxidative stress, and impaired pulmonary artery reactivity. Eur J Pharmacol 2021; 891:173699. [PMID: 33160936 DOI: 10.1016/j.ejphar.2020.173699] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 10/20/2020] [Accepted: 10/27/2020] [Indexed: 02/07/2023]
Abstract
The time-course of pulmonary arterial hypertension in the monocrotaline (MCT) model was investigated. Male rats were divided into two groups: MCT (received a 60 mg/kg i.p. injection) and control (received saline). The MCT and control groups were further divided into three cohorts, based on the follow-up interval: 1, 2, and 3 weeks. Right ventricle (RV) catheterization was performed and RV hypertrophy (RVH) was estimated. The lungs were used for biochemical, histological, molecular, and immunohistochemical analysis, while pulmonary artery rings were used for vascular reactivity. MCT promoted lung perivascular edema, inflammatory cells exudation, greater neutrophils and lymphocytes profile, and arteriolar wall thickness, compared to CTR group. Increases in pulmonary artery pressure and in RVH were observed in the MCT 2- and 3-week groups. The first week was marked by the presence of nitrosative stress (50% moderate and 33% accentuated staining by nitrotyrosine). These alterations lead to an adaptation of NO production by NO synthase activity after 2 weeks. Oxidative stress was evident in the third week, probably by an imbalance between endothelin-1 receptors, resulting in extracellular matrix remodeling, endothelial dysfunction, and RVH. Also, it was found a reduced pulmonary arterial vasodilatory response to acetylcholine after 2 (55%) and 3 (45%) weeks in MCT groups. The relevance of this study is precisely to show that nitrosative and oxidative stress predominate in distinct time windows of the disease progression.
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Affiliation(s)
- Alexsandra Zimmer
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
| | - Rayane Brinck Teixeira
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
| | - Rosalia Lempk Constantin
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
| | - Cristina Campos-Carraro
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
| | | | - Vanessa Duarte Ortiz
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
| | - Luiza Donatti
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
| | - Esteban Gonzalez
- Gene Therapy Center, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.
| | - Alan Christhian Bahr
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
| | - Fernanda Visioli
- Faculty of Dentistry, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
| | - Guilherme Baldo
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil; Gene Therapy Center, Hospital de Clínicas de Porto Alegre, Porto Alegre, Brazil.
| | - Alexandre Luz de Castro
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
| | - Alex Sander Araujo
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
| | - Adriane Belló-Klein
- Laboratory of Cardiovascular Physiology and Reactive Oxygen Species, Physiology Department, Institute of Basic Health Sciences, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Rio Grande do Sul, Brazil.
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13
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Al-U'datt D, Allen BG, Nattel S. Role of the lysyl oxidase enzyme family in cardiac function and disease. Cardiovasc Res 2020; 115:1820-1837. [PMID: 31504232 DOI: 10.1093/cvr/cvz176] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Revised: 04/23/2019] [Accepted: 08/14/2019] [Indexed: 12/18/2022] Open
Abstract
Heart diseases are a major cause of morbidity and mortality world-wide. Lysyl oxidase (LOX) and related LOX-like (LOXL) isoforms play a vital role in remodelling the extracellular matrix (ECM). The LOX family controls ECM formation by cross-linking collagen and elastin chains. LOX/LOXL proteins are copper-dependent amine oxidases that catalyse the oxidation of lysine, causing cross-linking between the lysine moieties of lysine-rich proteins. Dynamic changes in LOX and LOXL protein-expression occur in a variety of cardiac pathologies; these changes are believed to be central to the associated tissue-fibrosis. An awareness of the potential pathophysiological importance of LOX has led to the evaluation of interventions that target LOX/LOXL proteins for heart-disease therapy. The purposes of this review article are: (i) to summarize the basic biochemistry and enzyme function of LOX and LOXL proteins; (ii) to consider their tissue and species distribution; and (iii) to review the results of experimental studies of the roles of LOX and LOXL proteins in heart disease, addressing involvement in the mechanisms, pathophysiology and therapeutic responses based on observations in patient samples and relevant animal models. Therapeutic targeting of LOX family enzymes has shown promising results in animal models, but small-molecule approaches have been limited by non-specificity and off-target effects. Biological approaches show potential promise but are in their infancy. While there is strong evidence for LOX-family protein participation in heart failure, myocardial infarction, cardiac hypertrophy, dilated cardiomyopathy, atrial fibrillation and hypertension, as well as potential interest as therapeutic targets, the precise involvement of LOX-family proteins in heart disease requires further investigation.
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Affiliation(s)
- Doa'a Al-U'datt
- Department of Pharmacology and Physiology, Université de Montréal, Montreal, Quebec, Canada.,Montreal Heart Institute, Montreal, Quebec, Canada
| | - Bruce G Allen
- Department of Pharmacology and Physiology, Université de Montréal, Montreal, Quebec, Canada.,Montreal Heart Institute, Montreal, Quebec, Canada.,Department of Medicine, Université de Montreal, Montreal, Quebec, Canada.,Department of Biochemistry and Molecular Medicine, Université de Montréal, Montreal, Quebec, Canada
| | - Stanley Nattel
- Department of Pharmacology and Physiology, Université de Montréal, Montreal, Quebec, Canada.,Montreal Heart Institute, Montreal, Quebec, Canada.,Department of Medicine, Université de Montreal, Montreal, Quebec, Canada.,Department of Pharmacology and Therapeutics, McGill University, Montreal, Quebec, Canada
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14
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Neuron-derived orphan receptor-1 modulates cardiac gene expression and exacerbates angiotensin II-induced cardiac hypertrophy. Clin Sci (Lond) 2020; 134:359-377. [PMID: 31985010 DOI: 10.1042/cs20191014] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 01/21/2020] [Accepted: 01/27/2020] [Indexed: 12/22/2022]
Abstract
Hypertensive cardiac hypertrophy (HCH) is a common cause of heart failure (HF), a major public health problem worldwide. However, the molecular bases of HCH have not been completely elucidated. Neuron-derived orphan receptor-1 (NOR-1) is a nuclear receptor whose role in cardiac remodelling is poorly understood. The aim of the present study was to generate a transgenic mouse over-expressing NOR-1 in the heart (TgNOR-1) and assess the impact of this gain-of-function on HCH. The CAG promoter-driven transgenesis led to viable animals that over-expressed NOR-1 in the heart, mainly in cardiomyocytes and also in cardiofibroblasts. Cardiomyocytes from TgNOR-1 exhibited an enhanced cell surface area and myosin heavy chain 7 (Myh7)/Myh6 expression ratio, and increased cell shortening elicited by electric field stimulation. TgNOR-1 cardiofibroblasts expressed higher levels of myofibroblast markers than wild-type (WT) cells (α 1 skeletal muscle actin (Acta1), transgelin (Sm22α)) and were more prone to synthesise collagen and migrate. TgNOR-1 mice experienced an age-associated remodelling of the left ventricle (LV). Angiotensin II (AngII) induced the cardiac expression of NOR-1, and NOR-1 transgenesis exacerbated AngII-induced cardiac hypertrophy and fibrosis. This effect was associated with the up-regulation of hypertrophic (brain natriuretic peptide (Bnp), Acta1 and Myh7) and fibrotic markers (collagen type I α 1 chain (Col1a1), Pai-1 and lysyl oxidase-like 2 (Loxl2)). NOR-1 transgenesis up-regulated two key genes involved in cardiac hypertrophy (Myh7, encoding for β-myosin heavy chain (β-MHC)) and fibrosis (Loxl2, encoding for the extracellular matrix (ECM) modifying enzyme, Loxl2). Interestigly, in transient transfection assays, NOR-1 drove the transcription of Myh7 and Loxl2 promoters. Our findings suggest that NOR-1 is involved in the transcriptional programme leading to HCH.
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15
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Rodríguez C, Martínez-González J. The Role of Lysyl Oxidase Enzymes in Cardiac Function and Remodeling. Cells 2019; 8:cells8121483. [PMID: 31766500 PMCID: PMC6953057 DOI: 10.3390/cells8121483] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2019] [Revised: 11/11/2019] [Accepted: 11/20/2019] [Indexed: 02/06/2023] Open
Abstract
Lysyl oxidase (LOX) proteins comprise a family of five copper-dependent enzymes (LOX and four LOX-like isoenzymes (LOXL1-4)) critical for extracellular matrix (ECM) homeostasis and remodeling. The primary role of LOX enzymes is to oxidize lysyl and hydroxylysyl residues from collagen and elastin chains into highly reactive aldehydes, which spontaneously react with surrounding amino groups and other aldehydes to form inter- and intra-catenary covalent cross-linkages. Therefore, they are essential for the synthesis of a mature ECM and assure matrix integrity. ECM modulates cellular phenotype and function, and strikingly influences the mechanical properties of tissues. This explains the critical role of these enzymes in tissue homeostasis, and in tissue repair and remodeling. Cardiac ECM is mainly composed of fibrillar collagens which form a complex network that provides structural and biochemical support to cardiac cells and regulates cell signaling pathways. It is now becoming apparent that cardiac performance is affected by the structure and composition of the ECM and that any disturbance of the ECM contributes to cardiac disease progression. This review article compiles the major findings on the contribution of the LOX family to the development and progression of myocardial disorders.
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Affiliation(s)
- Cristina Rodríguez
- Institut de Recerca Hospital de la Santa Creu i Sant Pau-Programa ICCC, 08025 Barcelona, Spain
- Instituto de Investigación Biomédica Sant Pau (IIB-Sant Pau), 08041 Barcelona, Spain
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, 28029 Madrid, Spain
- Correspondence: (C.R.); (J.M.-G.); Tel.: +34-93-556-5897 (C.R.); +34-93-556-5896 (J.M.-G.)
| | - José Martínez-González
- Instituto de Investigación Biomédica Sant Pau (IIB-Sant Pau), 08041 Barcelona, Spain
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, 28029 Madrid, Spain
- Instituto de Investigaciones Biomédicas de Barcelona (IIBB-CSIC), 08036 Barcelona, Spain
- Correspondence: (C.R.); (J.M.-G.); Tel.: +34-93-556-5897 (C.R.); +34-93-556-5896 (J.M.-G.)
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16
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Zimmer A, Teixeira RB, Bonetto JHP, Bahr AC, Türck P, de Castro AL, Campos-Carraro C, Visioli F, Fernandes-Piedras TR, Casali KR, Scassola CMC, Baldo G, Araujo AS, Singal P, Belló-Klein A. Role of inflammation, oxidative stress, and autonomic nervous system activation during the development of right and left cardiac remodeling in experimental pulmonary arterial hypertension. Mol Cell Biochem 2019; 464:93-109. [DOI: 10.1007/s11010-019-03652-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 11/08/2019] [Indexed: 12/14/2022]
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17
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Martínez-González J, Varona S, Cañes L, Galán M, Briones AM, Cachofeiro V, Rodríguez C. Emerging Roles of Lysyl Oxidases in the Cardiovascular System: New Concepts and Therapeutic Challenges. Biomolecules 2019; 9:biom9100610. [PMID: 31615160 PMCID: PMC6843517 DOI: 10.3390/biom9100610] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 10/07/2019] [Accepted: 10/10/2019] [Indexed: 12/13/2022] Open
Abstract
Lysyl oxidases (LOX and LOX-likes (LOXLs) isoenzymes) belong to a family of copper-dependent enzymes classically involved in the covalent cross-linking of collagen and elastin, a pivotal process that ensures extracellular matrix (ECM) stability and provides the tensile and elastic characteristics of connective tissues. Besides this structural role, in the last years, novel biological properties have been attributed to these enzymes, which can critically influence cardiovascular function. LOX and LOXLs control cell proliferation, migration, adhesion, differentiation, oxidative stress, and transcriptional regulation and, thereby, their dysregulation has been linked to a myriad of cardiovascular pathologies. Lysyl oxidase could modulate virtually all stages of the atherosclerotic process, from endothelial dysfunction and plaque progression to calcification and rupture of advanced and complicated plaques, and contributes to vascular stiffness in hypertension. The alteration of LOX/LOXLs expression underlies the development of other vascular pathologies characterized by a destructive remodeling of the ECM, such as aneurysm and artery dissections, and contributes to the adverse myocardial remodeling and dysfunction in hypertension, myocardial infarction, and obesity. This review examines the most recent advances in the study of LOX and LOXLs biology and their pathophysiological role in cardiovascular diseases with special emphasis on their potential as therapeutic targets.
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Affiliation(s)
- José Martínez-González
- Instituto de Investigaciones Biomédicas de Barcelona (IIBB-CSIC), 08036 Barcelona, Spain.
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, 28029 Madrid, Spain.
- Instituto de Investigación Biomédica Sant Pau (IIB-Sant Pau), 08041 Barcelona, Spain.
| | - Saray Varona
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, 28029 Madrid, Spain.
- Instituto de Investigación Biomédica Sant Pau (IIB-Sant Pau), 08041 Barcelona, Spain.
| | - Laia Cañes
- Instituto de Investigaciones Biomédicas de Barcelona (IIBB-CSIC), 08036 Barcelona, Spain.
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, 28029 Madrid, Spain.
- Instituto de Investigación Biomédica Sant Pau (IIB-Sant Pau), 08041 Barcelona, Spain.
| | - María Galán
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, 28029 Madrid, Spain.
- Instituto de Investigación Biomédica Sant Pau (IIB-Sant Pau), 08041 Barcelona, Spain.
- Institut de Recerca Hospital de la Santa Creu i Sant Pau-Programa ICCC, 08025 Barcelona, Spain.
| | - Ana M Briones
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, 28029 Madrid, Spain.
- Departmento de Farmacología, Facultad de Medicina, Universidad Autónoma de Madrid, Instituto de Investigación Hospital La Paz, 28029 Madrid, Spain.
| | - Victoria Cachofeiro
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, 28029 Madrid, Spain.
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense de Madrid-Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), 28040 Madrid, Spain.
| | - Cristina Rodríguez
- CIBER de Enfermedades Cardiovasculares, Instituto de Salud Carlos III, 28029 Madrid, Spain.
- Instituto de Investigación Biomédica Sant Pau (IIB-Sant Pau), 08041 Barcelona, Spain.
- Institut de Recerca Hospital de la Santa Creu i Sant Pau-Programa ICCC, 08025 Barcelona, Spain.
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18
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Lagarto JL, Dyer BT, Peters NS, French PMW, Dunsby C, Lyon AR. In vivo label-free optical monitoring of structural and metabolic remodeling of myocardium following infarction. BIOMEDICAL OPTICS EXPRESS 2019; 10:3506-3521. [PMID: 31360603 PMCID: PMC6640823 DOI: 10.1364/boe.10.003506] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/05/2019] [Revised: 05/15/2019] [Accepted: 05/29/2019] [Indexed: 05/14/2023]
Abstract
Cardiac remodeling following myocardial infarction (MI) involves structural and functional alterations in the infarcted and remote viable myocardium that can ultimately lead to heart failure. The underlying mechanisms are not fully understood and, following our previous study of the autofluorescence lifetime and diffuse reflectance signatures of the myocardium in vivo at 16 weeks post MI in rats [Biomed. Opt. Express6(2), 324 (2015)], we here present data obtained at 1, 2 and 4 weeks post myocardial infarction that help follow the temporal progression of these changes. Our results demonstrate that both structural and metabolic changes in the heart can be monitored from the earliest time points following MI using label-free optical readouts, not only in the region of infarction but also in the remote non-infarcted myocardium. Changes in the autofluorescence intensity and lifetime parameters associated with collagen type I autofluorescence were indicative of progressive collagen deposition in tissue that was most pronounced at earlier time points and in the region of infarction. In addition to significant collagen deposition in infarcted and non-infarcted myocardium, we also report changes in the autofluorescence parameters associated with reduced nicotinamide adenine (phosphate) dinucleotide (NAD(P)H) and flavin adenine dinucleotide (FAD), which we associate with metabolic alterations throughout the heart. Parallel measurements of the diffuse reflectance spectra indicated an increased contribution of reduced cytochrome c. Our findings suggest that combining time-resolved spectrofluorometry and diffuse reflectance spectroscopy could provide a useful means to monitor cardiac function in vivo at the time of surgery.
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Affiliation(s)
- João L. Lagarto
- Photonics Group, Department of Physics, Imperial College London, Prince Consort Road, London, SW7 2AZ, United Kingdom
- Authors contributed equally to this work
| | - Benjamin T. Dyer
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN, United Kingdom
- Authors contributed equally to this work
| | - Nicholas S. Peters
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN, United Kingdom
- Centre for Cardiac Engineering, Imperial College London, Du Cane Road, London, W12 0NN, United Kingdom
| | - Paul M. W. French
- Photonics Group, Department of Physics, Imperial College London, Prince Consort Road, London, SW7 2AZ, United Kingdom
| | - Chris Dunsby
- Photonics Group, Department of Physics, Imperial College London, Prince Consort Road, London, SW7 2AZ, United Kingdom
- Centre for Pathology, Imperial College London Du Cane Road, London W12 0NN, United Kingdom
- Authors contributed equally to this work
| | - Alexander R. Lyon
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN, United Kingdom
- Authors contributed equally to this work
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19
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Fernandes Corrêa RDA, Ribeiro Júnior RF, Mendes SBO, dos Santos PM, da Silva MVA, Silva DF, Biral IP, de Batista PR, Vassallo DV, Bittencourt AS, Stefanon I, Fernandes AA. Testosterone deficiency reduces the effects of late cardiac remodeling after acute myocardial infarction in rats. PLoS One 2019; 14:e0213351. [PMID: 30897106 PMCID: PMC6428328 DOI: 10.1371/journal.pone.0213351] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Accepted: 02/20/2019] [Indexed: 01/02/2023] Open
Abstract
Testosterone is associated with an increased risk of coronary heart disease. This study evaluated cardiac remodeling 60 days after myocardial infarction (MI) in rats with testosterone deficiency. One week after castration, the animals underwent myocardial infarction. Rats were divided into four groups: orchidectomized (OCT); orchidectomized and infarcted (OCT+MI), MI and control (Sham). The myocyte cross-sectional area and the papillary muscle contractility were evaluated 8 weeks after MI. The coronary bed was perfused with Biodur E20 resin to evaluate the neovascularization after MI. Data were expressed as mean ± SEM followed by ANOVA. Castration reduced myocyte hypertrophy when compared to Sham and myocardial infarction alone as well as preserved the contraction force and activation time after myocardial infarction. After beta-adrenergic stimulation, activation and relaxation kinetics were less impaired in the OCT+MI group than in the MI group. Contraction force was preserved in the OCT+MI group after beta-adrenergic stimulation. Multiple scanning electronic microscope images were obtained to characterize changes in the coronary arteries. Capillary density index was increased in the MI and OCT+MI groups compared with control. The MI and OCT+MI groups were characterized by irregular vessel arrangements with distorted shape, abrupt changes in vessel direction, as well as abrupt changes in diameter after bifurcations when compared to Sham and OCT. The results indicated that testosterone deficiency attenuates adverse cardiac remodeling after MI. Novel findings in this study were that testosterone deficiency in rats, induced by castration, changes the later remodeling after MI, when compared with non castrated rats. The absence of this androgenous hormone seems to be benefic against pathological hypertrophy.
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Affiliation(s)
| | | | | | | | | | - Daniel Ferron Silva
- Department of Morphology, Federal University of Espírito Santo, Vitória, ES, Brazil
| | - Igor Peixoto Biral
- Department of Morphology, Federal University of Espírito Santo, Vitória, ES, Brazil
| | - Priscila Rossi de Batista
- Department of Physiotherapy, School of Sciences Santa Casa de Misericórdia de Vitória, Vitória, ES, Brazil
| | | | | | - Ivanita Stefanon
- Department of Physiological Sciences, Federal University of Espírito Santo, Vitória, ES, Brazil
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20
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Lin KH, Shibu MA, Peramaiyan R, Chen YF, Shen CY, Hsieh YL, Chen RJ, Viswanadha VP, Kuo WW, Huang CY. Bioactive flavone fisetin attenuates hypertension associated cardiac hypertrophy in H9c2 cells and in spontaneously hypertension rats. J Funct Foods 2019. [DOI: 10.1016/j.jff.2018.10.038] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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21
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Zhang N, An X, Lang P, Wang F, Xie Y. Ginsenoside Rd contributes the attenuation of cardiac hypertrophy in vivo and in vitro. Biomed Pharmacother 2019; 109:1016-1023. [DOI: 10.1016/j.biopha.2018.10.081] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 09/28/2018] [Accepted: 10/14/2018] [Indexed: 12/18/2022] Open
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22
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Holland NA, Francisco JT, Johnson SC, Morgan JS, Dennis TJ, Gadireddy NR, Tulis DA. Cyclic Nucleotide-Directed Protein Kinases in Cardiovascular Inflammation and Growth. J Cardiovasc Dev Dis 2018; 5:E6. [PMID: 29367584 PMCID: PMC5872354 DOI: 10.3390/jcdd5010006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Revised: 01/17/2018] [Accepted: 01/19/2018] [Indexed: 02/08/2023] Open
Abstract
Cardiovascular disease (CVD), including myocardial infarction (MI) and peripheral or coronary artery disease (PAD, CAD), remains the number one killer of individuals in the United States and worldwide, accounting for nearly 18 million (>30%) global deaths annually. Despite considerable basic science and clinical investigation aimed at identifying key etiologic components of and potential therapeutic targets for CVD, the number of individuals afflicted with these dreaded diseases continues to rise. Of the many biochemical, molecular, and cellular elements and processes characterized to date that have potential to control foundational facets of CVD, the multifaceted cyclic nucleotide pathways continue to be of primary basic science and clinical interest. Cyclic adenosine monophosphate (cyclic AMP) and cyclic guanosine monophosphate (cyclic GMP) and their plethora of downstream protein kinase effectors serve ubiquitous roles not only in cardiovascular homeostasis but also in the pathogenesis of CVD. Already a major target for clinical pharmacotherapy for CVD as well as other pathologies, novel and potentially clinically appealing actions of cyclic nucleotides and their downstream targets are still being discovered. With this in mind, this review article focuses on our current state of knowledge of the cyclic nucleotide-driven serine (Ser)/threonine (Thr) protein kinases in CVD with particular emphasis on cyclic AMP-dependent protein kinase (PKA) and cyclic GMP-dependent protein kinase (PKG). Attention is given to the regulatory interactions of these kinases with inflammatory components including interleukin 6 signals, with G protein-coupled receptor and growth factor signals, and with growth and synthetic transcriptional platforms underlying CVD pathogenesis. This article concludes with a brief discussion of potential future directions and highlights the importance for continued basic science and clinical study of cyclic nucleotide-directed protein kinases as emerging and crucial controllers of cardiac and vascular disease pathologies.
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Affiliation(s)
- Nathan A Holland
- Department of Physiology, Brody School of Medicine, East Carolina University, 600 Moye Boulevard, Greenville, NC 27834, USA.
| | - Jake T Francisco
- Department of Physiology, Brody School of Medicine, East Carolina University, 600 Moye Boulevard, Greenville, NC 27834, USA.
| | - Sean C Johnson
- Department of Physiology, Brody School of Medicine, East Carolina University, 600 Moye Boulevard, Greenville, NC 27834, USA.
| | - Joshua S Morgan
- Department of Physiology, Brody School of Medicine, East Carolina University, 600 Moye Boulevard, Greenville, NC 27834, USA.
| | - Troy J Dennis
- Department of Physiology, Brody School of Medicine, East Carolina University, 600 Moye Boulevard, Greenville, NC 27834, USA.
| | - Nishitha R Gadireddy
- Department of Physiology, Brody School of Medicine, East Carolina University, 600 Moye Boulevard, Greenville, NC 27834, USA.
| | - David A Tulis
- Department of Physiology, Brody School of Medicine, East Carolina University, 600 Moye Boulevard, Greenville, NC 27834, USA.
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23
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Egemnazarov B, Crnkovic S, Nagy BM, Olschewski H, Kwapiszewska G. Right ventricular fibrosis and dysfunction: Actual concepts and common misconceptions. Matrix Biol 2018; 68-69:507-521. [PMID: 29343458 DOI: 10.1016/j.matbio.2018.01.010] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2018] [Accepted: 01/10/2018] [Indexed: 12/25/2022]
Abstract
Fibrosis and remodeling of the right ventricle (RV) are associated with RV dysfunction and mortality of patients with pulmonary hypertension (PH) but it is unknown how much RV fibrosis contributes to RV dysfunction and mortality. RV fibrosis manifests as fibroblast accumulation and collagen deposition which may be excessive. Although extracellular matrix deposition leads to elevated ventricular stiffness, it is not known to which extent it affects RV function. Various animal models of pulmonary hypertension have been established to investigate the role of fibrosis in RV dysfunction and failure. However, they do not perfectly resemble the human disease. In the current review we describe the major characteristics of RV fibrosis, molecular mechanisms regulating the fibrotic process, and discuss how therapeutic targeting of fibrosis might affect RV function.
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Affiliation(s)
| | - Slaven Crnkovic
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
| | - Bence M Nagy
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria
| | - Horst Olschewski
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria; Division of Pulmonology, Department of Internal Medicine, Medical University of Graz, Graz, Austria
| | - Grazyna Kwapiszewska
- Ludwig Boltzmann Institute for Lung Vascular Research, Graz, Austria; Institute of Physiology, Medical University of Graz, Graz, Austria.
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24
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Xanthine Oxidase Activation Modulates the Endothelial (Vascular) Dysfunction Related to HgCl2 Exposure Plus Myocardial Infarction in Rats. Cardiovasc Toxicol 2017; 18:161-174. [DOI: 10.1007/s12012-017-9427-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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25
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Nagaraju CK, Dries E, Popovic N, Singh AA, Haemers P, Roderick HL, Claus P, Sipido KR, Driesen RB. Global fibroblast activation throughout the left ventricle but localized fibrosis after myocardial infarction. Sci Rep 2017; 7:10801. [PMID: 28883544 PMCID: PMC5589875 DOI: 10.1038/s41598-017-09790-1] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Accepted: 07/28/2017] [Indexed: 11/09/2022] Open
Abstract
Fibroblast (Fb) differentiation and interstitial fibrosis contribute to cardiac remodeling and loss of function after myocardial infarction (MI). We investigated regional presence and regulation of fibrosis in a pig MI model. In vivo analysis of regional function and perfusion defined three regions: the scar, the myocardium adjacent to the scar (MIadjacent, reduced function, reduced perfusion reserve), and the remote myocardium (MIremote, minimal functional deficit, maintained perfusion). Interstitial and perivascular fibrosis, and increase of collagen type I, was only observed in the MIadjacent. Fb activated protein-alpha (FAP-α) was enriched in MIadjacent compared to MIremote. TGF-β1, which triggers Fb differentiation, was upregulated in both MIadjacent and MIremote, whereas lysyl oxidase, a regulator of collagen cross-linking, and the proteoglycans decorin and biglycan were only increased in the MIadjacent. Fb isolated and cultured for 4 days had myoFb characteristics with little difference between MIremote and MIadjacent, although RNA sequencing revealed differences in gene expression profiles. Fbs from all regions maintained proliferative capacity, and induced contraction of 3-D collagen matrices but scar myoFb was more effective. These data suggest that after MI, signaling through TGF-β1, possibly related to increased mechanical load, drives Fb activation throughout the left ventricle while regional signaling determines further maturation and extracellular matrix remodeling after MI.
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Affiliation(s)
- Chandan K Nagaraju
- Experimental Cardiology, Department of Cardiovascular Sciences, KU Leuven, Herestraat 49, Leuven, 3000, Belgium
| | - Eef Dries
- Experimental Cardiology, Department of Cardiovascular Sciences, KU Leuven, Herestraat 49, Leuven, 3000, Belgium
| | - Natasa Popovic
- Cardiovascular Imaging and Dynamics, Department of Cardiovascular Sciences, KU Leuven, Herestraat 49, Leuven, 3000, Belgium
| | - Abhishek A Singh
- Experimental Cardiology, Department of Cardiovascular Sciences, KU Leuven, Herestraat 49, Leuven, 3000, Belgium
| | - Peter Haemers
- Experimental Cardiology, Department of Cardiovascular Sciences, KU Leuven, Herestraat 49, Leuven, 3000, Belgium
| | - H Llewelyn Roderick
- Experimental Cardiology, Department of Cardiovascular Sciences, KU Leuven, Herestraat 49, Leuven, 3000, Belgium
| | - Piet Claus
- Cardiovascular Imaging and Dynamics, Department of Cardiovascular Sciences, KU Leuven, Herestraat 49, Leuven, 3000, Belgium
| | - Karin R Sipido
- Experimental Cardiology, Department of Cardiovascular Sciences, KU Leuven, Herestraat 49, Leuven, 3000, Belgium.
| | - Ronald B Driesen
- Experimental Cardiology, Department of Cardiovascular Sciences, KU Leuven, Herestraat 49, Leuven, 3000, Belgium
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26
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Espe EK, Aronsen JM, Eriksen M, Sejersted OM, Zhang L, Sjaastad I. Regional Dysfunction After Myocardial Infarction in Rats. Circ Cardiovasc Imaging 2017; 10:CIRCIMAGING.116.005997. [DOI: 10.1161/circimaging.116.005997] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2016] [Accepted: 07/07/2017] [Indexed: 11/16/2022]
Abstract
Background—
Detailed understanding of regional function after myocardial infarction (MI) is currently incomplete. We aimed at investigating regional myocardial strain and work in post-MI rats with and without heart failure.
Methods and Results—
Six weeks after induction of MI, 62 male Wistar-Hannover rats with a range of infarct sizes, plus 14 sham-operated rats, were examined by cine and phase-contrast magnetic resonance imaging. After magnetic resonance imaging, the rats were catheterized, and left ventricular pressures were recorded. Regional strain and work were calculated from the magnetic resonance imaging and pressure data. On the basis of end-diastolic left ventricular pressure, 34 MI rats were classified as nonfailing (MI
NF
) and 28 MI rats as failing (MI
CHF
). In the region remote to the infarct, the MI
NF
rats exhibited preserved strain and increased work compared with sham, whereas MI
CHF
had reduced longitudinal strain and no increase in work in this region. In the noninfarcted region adjacent to the infarct, MI
CHF
demonstrated substantially reduced work because of high levels of negative work.
Conclusions—
We have demonstrated a distinct difference in regional work between nonfailing and failing hearts after MI and offer novel insight into the relation between regional function and presence of congestion. Work analysis provided significant added value over strain analysis alone.
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Affiliation(s)
- Emil K.S. Espe
- From the Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Norway (E.K.S.E., J.M.A., O.M.S., L.Z., I.S.); Bjørknes College, Oslo, Norway (J.M.A.); and Respinor AS, Oslo, Norway (M.E.)
| | - Jan Magnus Aronsen
- From the Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Norway (E.K.S.E., J.M.A., O.M.S., L.Z., I.S.); Bjørknes College, Oslo, Norway (J.M.A.); and Respinor AS, Oslo, Norway (M.E.)
| | - Morten Eriksen
- From the Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Norway (E.K.S.E., J.M.A., O.M.S., L.Z., I.S.); Bjørknes College, Oslo, Norway (J.M.A.); and Respinor AS, Oslo, Norway (M.E.)
| | - Ole M. Sejersted
- From the Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Norway (E.K.S.E., J.M.A., O.M.S., L.Z., I.S.); Bjørknes College, Oslo, Norway (J.M.A.); and Respinor AS, Oslo, Norway (M.E.)
| | - Lili Zhang
- From the Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Norway (E.K.S.E., J.M.A., O.M.S., L.Z., I.S.); Bjørknes College, Oslo, Norway (J.M.A.); and Respinor AS, Oslo, Norway (M.E.)
| | - Ivar Sjaastad
- From the Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Norway (E.K.S.E., J.M.A., O.M.S., L.Z., I.S.); Bjørknes College, Oslo, Norway (J.M.A.); and Respinor AS, Oslo, Norway (M.E.)
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27
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Merfeld-Clauss S, Lu H, Wu X, March KL, Traktuev DO. Hypoxia-induced activin A diminishes endothelial cell vasculogenic activity. J Cell Mol Med 2017; 22:173-184. [PMID: 28834227 PMCID: PMC5742743 DOI: 10.1111/jcmm.13306] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2017] [Accepted: 05/27/2017] [Indexed: 01/06/2023] Open
Abstract
Acute ischaemia causes a significant loss of blood vessels leading to deterioration of organ function. Multiple ischaemic conditions are associated with up‐regulation of activin A, but its effect on endothelial cells (EC) in the context of hypoxia is understudied. This study evaluated the role of activin A in vasculogenesis in hypoxia. An in vitro vasculogenesis model, in which EC were cocultured with adipose stromal cells (ASC), was used. Incubation of cocultures at 0.5% oxygen led to decrease in EC survival and vessel density. Hypoxia up‐regulated inhibin BA (monomer of activin A) mRNA by 4.5‐fold and activin A accumulation in EC‐conditioned media by 10‐fold, but down‐regulated activin A inhibitor follistatin by twofold. Inhibin BA expression was also increased in human EC injected into ischaemic mouse muscles. Activin A secretion was positively modulated by hypoxia mimetics dimethyloxalylglycine and desferrioxamine. Silencing HIF1α or HIF2α expression decreased activin A secretion in EC exposed to hypoxia. Introduction of activin A to cocultures decreased EC number and vascular density by 40%; conversely, blockade of activin A expression in EC or its activity improved vasculogenesis in hypoxia. Activin A affected EC survival directly and by modulating ASC paracrine activity leading to diminished ability of the ASC secretome to support EC survival and vasculogenesis. In conclusion, hypoxia up‐regulates EC secretion of activin A, which, by affecting both EC and adjacent mesenchymal cells, creates a micro‐environment unfavourable for vasculogenesis. This finding suggests that blockade of activin A signalling in ischaemic tissue may improve preservation of the affected tissue.
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Affiliation(s)
- Stephanie Merfeld-Clauss
- Department of Medicine, Division of Cardiology, Indiana Center for Vascular Biology and Medicine, Krannert Institute of Cardiology, Indianapolis, IN, USA.,VA Center for Regenerative Medicine, R.L. Roudebush VA Medical Center, Indianapolis, IN, USA
| | - Hongyan Lu
- Department of Medicine, Division of Cardiology, Indiana Center for Vascular Biology and Medicine, Krannert Institute of Cardiology, Indianapolis, IN, USA.,VA Center for Regenerative Medicine, R.L. Roudebush VA Medical Center, Indianapolis, IN, USA
| | - Xue Wu
- Department of Medicine, Division of Hematology/Oncology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Keith L March
- Department of Medicine, Division of Cardiology, Indiana Center for Vascular Biology and Medicine, Krannert Institute of Cardiology, Indianapolis, IN, USA.,VA Center for Regenerative Medicine, R.L. Roudebush VA Medical Center, Indianapolis, IN, USA.,Department of Cellular and Integrative Physiology, Indiana University School of Medicine, Indianapolis, IN, USA
| | - Dmitry O Traktuev
- Department of Medicine, Division of Cardiology, Indiana Center for Vascular Biology and Medicine, Krannert Institute of Cardiology, Indianapolis, IN, USA.,VA Center for Regenerative Medicine, R.L. Roudebush VA Medical Center, Indianapolis, IN, USA
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28
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Intratracheal administration of isosorbide dinitrate improves pulmonary artery pressure and ventricular remodeling in a rat model of heart failure following myocardial infarction. Exp Ther Med 2017; 14:1399-1408. [PMID: 28810603 PMCID: PMC5526058 DOI: 10.3892/etm.2017.4707] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2016] [Accepted: 04/21/2017] [Indexed: 12/19/2022] Open
Abstract
Pulmonary hypertension due to left heart disease is associated with poor outcomes. This study investigated the beneficial effects of isosorbide dinitrate (ISDN) inhalation on pulmonary pressure and ventricular remodeling in a rat model of heart failure (HF) following myocardial infarction (MI). To assess the effect of ISDN on pulmonary pressure, 20 male Sprague-Dawley (SD) rats were randomized to four groups: Normal saline (NS) 1 ml/kg, ISDN 1 mg/kg, NS 3 ml/kg or ISDN 3 mg/kg following coronary ligation. Assessments included pulmonary and systemic artery pressure alterations, lung weight/body weight and plasma nitric oxide (NO) concentration. To assess the effect of ISDN on ventricular remodeling, 30 SD rats were randomized to three groups: Sham surgery, MI-NS (intratracheal NS 3 ml/kg for 13 days following coronary ligation), and MI-ISDN (intratracheal ISDN 3 mg/kg for 13 days following coronary ligation). On day 15, all rats underwent echocardiogram and hemodynamic assessments. The area affected by MI was evaluated using microscopy and vascular endothelial growth factor (VEGF) expression was examined using immunohistochemistry. Plasma epinephrine, norepinephrine and brain natriuretic peptide (BNP) levels were assessed by ELISA. Intratracheal ISDN reduced pulmonary and systematic artery pressure without pulmonary edema when compared with NS. The reduction was associated with increased plasma NO levels. ISDN inhalation for 14 days reduced MI size and alleviated left and right ventricular remodeling following MI. These hemodynamic and morphological improvements were associated with decreased plasma epinephrine, norepinephrine and BNP levels, and an increased VEGF positive area at the border of MI region. In conclusion, intratracheal administration of ISDN was effective in improving ventricular remodeling and cardiac function in a rat model of HF following MI.
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29
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Aronsen JM, Espe EKS, Skårdal K, Hasic A, Zhang L, Sjaastad I. Noninvasive stratification of postinfarction rats based on the degree of cardiac dysfunction using magnetic resonance imaging and echocardiography. Am J Physiol Heart Circ Physiol 2017; 312:H932-H942. [PMID: 28188213 DOI: 10.1152/ajpheart.00668.2016] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Revised: 02/09/2017] [Accepted: 02/09/2017] [Indexed: 11/22/2022]
Abstract
The myocardial infarction (MI) rat model plays a crucial role in modern cardiovascular research, but the inherent heterogeneity of this model represents a challenge. We sought to identify subgroups among the post-MI rats and establish simple noninvasive stratification protocols for such subgroups. Six weeks after induction of MI, 49 rats underwent noninvasive examinations using magnetic resonance imaging (MRI) and echocardiography. Twelve sham-operated rats served as controls. Increased end-diastolic left ventricular (LV) pressure and lung weight served as indicators for congestive heart failure (CHF). A clustering algorithm using 13 noninvasive and invasive parameters was used to identify distinct groups among the animals. The cluster analysis revealed four distinct post-MI phenotypes; two without congestion but with different degree of LV dilatation, and two with different degree of congestion and right ventricular (RV) affection. Among the MRI parameters, RV mass emerged as robust noninvasive marker of CHF with 100% specificity/sensitivity. Moreover, LV infarct size and RV ejection fraction further predicted subgroup among the non-CHF and CHF rats with excellent specificity/sensitivity. Of the echocardiography parameters, left atrial diameter predicted CHF. Moreover, LV end-diastolic diameter predicted the subgroups among the non-CHF rats. We propose two simple noninvasive schemes to stratify post-MI rats, based on the degree of heart failure; one for MRI and one for echocardiography.NEW & NOTEWORTHY In vivo phenotyping of rats is essential for robust and reliable data. Here, we present two simple noninvasive schemes for the stratification of postinfarction rats based on the degree of heart failure: one using magnetic resonance imaging and one based on echocardiography.
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Affiliation(s)
- Jan Magnus Aronsen
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway; and .,Bjørknes College, Oslo, Norway
| | - Emil Knut Stenersen Espe
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway; and
| | - Kristine Skårdal
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway; and
| | - Almira Hasic
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway; and
| | - Lili Zhang
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway; and
| | - Ivar Sjaastad
- Institute for Experimental Medical Research, Oslo University Hospital and University of Oslo, Oslo, Norway; and
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Ghoneim MAM, Hassan AI, Mahmoud MG, Asker MS. Protective Effect of Adansonia digitata against Isoproterenol-Induced Myocardial Injury in Rats. Anim Biotechnol 2016; 27:84-95. [PMID: 26913549 DOI: 10.1080/10495398.2015.1102147] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
The baobab fruit (Adansonia digitata) was analyzed for proximate composition, amino acids, and minerals. The fruit pulp was found to be a good source of carbohydrates, proteins, phenols, and substantial quantities of K, Ca, and Mg. Amino acid analyses revealed high glutamic and aspartic acid, but the sulfur amino acids were the most limited. The present study was designed to investigate the role of Adansonia digitata (Baobab fruit pulp) against isoproterenol induced myocardial oxidative stress in experimental rats by demonstrating the changes in tissue cardiac markers, some antioxidant enzymes, interleukin-1 β (IL-1 β), monocyte chemoattractant protein-1(MCP-1), myeloperoxidase (MPO), Collagen-1, galectin-3, and serum corticosterone. The activities of enzymatic antioxidant glutathione peroxidase (GPX) and non-enzymatic antioxidant reduced glutathione (GSH) in the heart tissue; additionally, histopathological examination of the heart was estimated. Male albino rats were randomly divided into four groups of ten animals each. Group I served as normal control animal. Group II animals received isoproterenol (ISP) (85 mg/kg body weight intraperitonealy (i.p.) to develop myocardial injury. Group III were myocardial oxidative animals treated with Baobab fruit pulp (200 µg/rats/day) for 4 weeks. Group IV received Baobab fruit pulp only. The data suggested an isoproterenol increase in levels of cardiac marker enzymes [creatine kinase MB (CK- MB), lactate dehydrogenase (LDH), and aspartate aminotransferase (AST)], IL-1ß, MCP-1, MPO, Collagen, and galectin-3, with concomitant decrease in the activities GPX and GSH in heart tissue as well as corticosterone in serum. Baobab fruit pulp brings all the parameters to near normal level in ISP-induced myocardial infarction in rats. Histopathological examination of heart tissue of ISP-administered model rat showed infiltration of inflammatory cells and congestion in the blood vessels. However, treatment with Baobab fruit pulp (200 µg/rats/day) showed predominantly normal myocardial structure and no inflammatory cell infiltration. It has been concluded that Baobab fruit pulp has cardio protective effect against ISP-induced oxidative stress in rats.
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Affiliation(s)
- Mona A M Ghoneim
- a Department of Radioisotopes, Nuclear Research Centre , Atomic Energy Authority , Giza , Egypt
| | - Amal I Hassan
- a Department of Radioisotopes, Nuclear Research Centre , Atomic Energy Authority , Giza , Egypt
| | - Manal G Mahmoud
- b Microbial Biotechnology Department , National Research Centre , Dokki , Cairo , Egypt
| | - Mohsen S Asker
- b Microbial Biotechnology Department , National Research Centre , Dokki , Cairo , Egypt
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Santana ET, Feliciano RDS, Serra AJ, Brigidio E, Antonio EL, Tucci PJF, Nathanson L, Morris M, Silva JA. Comparative mRNA and MicroRNA Profiling during Acute Myocardial Infarction Induced by Coronary Occlusion and Ablation Radio-Frequency Currents. Front Physiol 2016; 7:565. [PMID: 27932994 PMCID: PMC5123550 DOI: 10.3389/fphys.2016.00565] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2016] [Accepted: 11/07/2016] [Indexed: 12/24/2022] Open
Abstract
The ligation of the left anterior descending coronary artery is the most commonly used experimental model to induce myocardial infarction (MI) in rodents. A high mortality in the acute phase and the heterogeneity of the size of the MI obtained are drawbacks recognized in this model. In an attempt to solve the problem, our group recently developed a new MI experimental model which is based on application of myocardial ablation radio-frequency currents (AB-RF) that yielded MI with homogeneous sizes and significantly reduce acute mortality. In addition, cardiac structural, and functional changes aroused by AB-RF were similar to those seen in animals with MI induced by coronary artery ligation. Herein, we compared mRNA expression of genes that govern post-MI milieu in occlusion and ablation models. We analyzed 48 mRNAs expressions of nine different signal transduction pathways (cell survival and metabolism signs, matrix extracellular, cell cycle, oxidative stress, apoptosis, calcium signaling, hypertrophy markers, angiogenesis, and inflammation) in rat left ventricle 1 week after MI generated by both coronary occlusion and AB-RF. Furthermore, high-throughput miRNA analysis was also assessed in both MI procedures. Interestingly, mRNA expression levels and miRNA expressions showed strong similarities between both models after MI, with few specificities in each model, activating similar signal transduction pathways. To our knowledge, this is the first comparison of genomic alterations of mRNA and miRNA contents after two different MI procedures and identifies key signaling regulators modulating the pathophysiology of these two models that might culminate in heart failure. Furthermore, these analyses may contribute with the current knowledge concerning transcriptional and post-transcriptional changes of AB-RF protocol, arising as an alternative and effective MI method that reproduces most changes seem in coronary occlusion.
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Affiliation(s)
- Eduardo T Santana
- Rehabilitation Department, Universidade Nove de Julho São Paulo, Brazil
| | - Regiane Dos Santos Feliciano
- Biophotonics Department, Universidade Nove de JulhoSão Paulo, Brazil; Medicine Department, Universidade Nove de JulhoSão Paulo, Brazil
| | - Andrey J Serra
- Biophotonics Department, Universidade Nove de Julho São Paulo, Brazil
| | - Eduardo Brigidio
- Medicine Department, Universidade Nove de Julho São Paulo, Brazil
| | - Ednei L Antonio
- Cardiac Physiology Department, Universidade Federal de São Paulo São Paulo, Brazil
| | - Paulo J F Tucci
- Cardiac Physiology Department, Universidade Federal de São Paulo São Paulo, Brazil
| | - Lubov Nathanson
- Institute for Neuro-Immune Medicine, Nova Southeastern University Fort Lauderdale, FL, USA
| | - Mariana Morris
- Institute for Neuro-Immune Medicine, Nova Southeastern University Fort Lauderdale, FL, USA
| | - José A Silva
- Medicine Department, Universidade Nove de Julho São Paulo, Brazil
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Atorvastatin Improves Ventricular Remodeling after Myocardial Infarction by Interfering with Collagen Metabolism. PLoS One 2016; 11:e0166845. [PMID: 27880844 PMCID: PMC5120826 DOI: 10.1371/journal.pone.0166845] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2016] [Accepted: 11/05/2016] [Indexed: 12/27/2022] Open
Abstract
Purpose Therapeutic strategies that modulate ventricular remodeling can be useful after acute myocardial infarction (MI). In particular, statins may exert effects on molecular pathways involved in collagen metabolism. The aim of this study was to determine whether treatment with atorvastatin for 4 weeks would lead to changes in collagen metabolism and ventricular remodeling in a rat model of MI. Methods Male Wistar rats were used in this study. MI was induced in rats by ligation of the left anterior descending coronary artery (LAD). Animals were randomized into three groups, according to treatment: sham surgery without LAD ligation (sham group, n = 14), LAD ligation followed by 10mg atorvastatin/kg/day for 4 weeks (atorvastatin group, n = 24), or LAD ligation followed by saline solution for 4 weeks (control group, n = 27). After 4 weeks, hemodynamic characteristics were obtained by a pressure-volume catheter. Hearts were removed, and the left ventricles were subjected to histologic analysis of the extents of fibrosis and collagen deposition, as well as the myocyte cross-sectional area. Expression levels of mediators involved in collagen metabolism and inflammation were also assessed. Results End-diastolic volume, fibrotic content, and myocyte cross-sectional area were significantly reduced in the atorvastatin compared to the control group. Atorvastatin modulated expression levels of proteins related to collagen metabolism, including MMP1, TIMP1, COL I, PCPE, and SPARC, in remote infarct regions. Atorvastatin had anti-inflammatory effects, as indicated by lower expression levels of TLR4, IL-1, and NF-kB p50. Conclusion Treatment with atorvastatin for 4 weeks was able to attenuate ventricular dysfunction, fibrosis, and left ventricular hypertrophy after MI in rats, perhaps in part through effects on collagen metabolism and inflammation. Atorvastatin may be useful for limiting ventricular remodeling after myocardial ischemic events.
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Inhibition of TNF-α–mediated NF-κB Activation by Ginsenoside Rg1 Contributes the Attenuation of Cardiac Hypertrophy Induced by Abdominal Aorta Coarctation. J Cardiovasc Pharmacol 2016; 68:257-264. [DOI: 10.1097/fjc.0000000000000410] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Ongstad EL, Gourdie RG. Can heart function lost to disease be regenerated by therapeutic targeting of cardiac scar tissue? Semin Cell Dev Biol 2016; 58:41-54. [PMID: 27234380 DOI: 10.1016/j.semcdb.2016.05.020] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2016] [Revised: 05/18/2016] [Accepted: 05/23/2016] [Indexed: 01/14/2023]
Abstract
Myocardial infarction results in scar tissue that cannot actively contribute to heart mechanical function and frequently causes lethal arrhythmias. The healing response after infarction involves inflammation, biochemical signaling, changes in cellular phenotype, activity, and organization, and alterations in electrical conduction due to variations in cell and tissue geometry and alterations in protein expression, organization, and function - particularly in membrane channels. The intensive research focus on regeneration of myocardial tissues has, as of yet, only met with modest success, with no near-term prospect of improving standard-of-care for patients with heart disease. An alternative concept for novel therapeutic approach is the rejuvenation of cardiac electrical and mechanical properties through the modification of scar tissue. Several peptide therapeutics, locally applied genetic therapies, or delivery of genetically modified cells have shown promise in improving the characteristics of the fibrous scar and post-myocardial infarction prognosis in experimental models. This review highlights several factors that contribute to arrhythmogenesis in scar formation and how these might be targeted to regenerate some of the electrical and mechanical function of the post-MI scar.
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Affiliation(s)
- Emily L Ongstad
- Center for Heart and Regenerative Medicine Research, Virginia Tech Carilion Research Institute, 2 Riverside Circle, Roanoke, VA 24016, USA.
| | - Robert G Gourdie
- Center for Heart and Regenerative Medicine Research, Virginia Tech Carilion Research Institute, 2 Riverside Circle, Roanoke, VA 24016, USA; Virginia Tech-Wake Forest University School of Biomedical Engineering and Sciences, 317 Kelly Hall, Stanger Street, Blacksburg, VA 24061, USA; Department of Emergency Medicine, Carilion Clinic, 1906 Belleview Avenue, Roanoke VA 24014, USA.
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35
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Begieneman MP, Emmens RW, Rijvers L, Woudstra L, Paulus WJ, Kubat B, Vonk AB, van Rossum AC, Wouters D, Zeerleder S, van Ham M, Schalkwijk CG, Niessen HW, Krijnen PA. Myocardial infarction induces atrial inflammation that can be prevented by C1-esterase inhibitor. J Clin Pathol 2016; 69:1093-1099. [PMID: 27153875 DOI: 10.1136/jclinpath-2016-203639] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2016] [Revised: 04/08/2016] [Accepted: 04/10/2016] [Indexed: 11/03/2022]
Abstract
AIMS Inflammation plays an important role in the pathogenesis of myocardial infarction (MI). Whether MI induces atrial inflammation is unknown however. Here, we analysed atrial inflammation in patients with MI and in rats with experimentally induced MI. The effect of the anti-inflammatory agent C1-esterase inhibitor (C1inh) on atrial inflammation in rats was also analysed. METHODS In the hearts of patients who died at different time points after MI (total n=24, mean age=60), neutrophils (myeloperoxidase-positive cells), lymphocytes (CD45-positive cells) and macrophages (CD68-positive cells) were quantified in the myocardium of the left and right atria and the infarcted left and non-infarcted right ventricles and compared with control patients (n=5, mean age=59). For the left and right atria, inflammatory cells were also quantified in the atrial adipose tissue. MI was induced in 17 rats, of which 10 were subsequently treated with C1inh for 6 days. Forty-two days post-MI, lymphocytes, macrophages and the endothelial inflammation marker Nε-(carboxymethyl)lysine (CML) were analysed in the myocardium of both the atria and ventricles. RESULTS In all investigated areas of the human hearts increased lymphocytes and macrophages were observed to a varying extent, especially between 6 h and 5 days following MI. Similarly, in rats MI resulted in an increase of inflammatory cells and CML in the atria. C1inh treatment decreased atrial inflammation. CONCLUSIONS MI induces atrial inflammation in patients and in rats. C1inh treatment could counteract this MI-induced atrial inflammation in rats.
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Affiliation(s)
- Mark Pv Begieneman
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands.,ICaR-VU, Amsterdam, The Netherlands.,Netherlands Forensic Institute (NFI), The Hague, The Netherlands
| | - Reindert W Emmens
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands.,ICaR-VU, Amsterdam, The Netherlands.,Department of Immunopathology, Sanquin Research, Amsterdam, The Netherlands
| | - Liza Rijvers
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands
| | - Linde Woudstra
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands.,ICaR-VU, Amsterdam, The Netherlands
| | - Walter J Paulus
- ICaR-VU, Amsterdam, The Netherlands.,Department of Physiology, VU University Medical Center, Amsterdam, The Netherlands
| | - Bela Kubat
- Netherlands Forensic Institute (NFI), The Hague, The Netherlands
| | - Alexander Ba Vonk
- ICaR-VU, Amsterdam, The Netherlands.,Department of Cardiac Surgery, VU University Medical Center, Amsterdam, The Netherlands
| | - Albert C van Rossum
- ICaR-VU, Amsterdam, The Netherlands.,Department of Cardiology, VU University Medical Center, Amsterdam, The Netherlands
| | - Diana Wouters
- Department of Immunopathology, Sanquin Research, Amsterdam, The Netherlands
| | - Sacha Zeerleder
- Department of Immunopathology, Sanquin Research, Amsterdam, The Netherlands.,Department of Hematology, Academic Medical Center, Amsterdam, The Netherlands
| | - Marieke van Ham
- Department of Immunopathology, Sanquin Research, Amsterdam, The Netherlands
| | - Casper G Schalkwijk
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, The Netherlands
| | - Hans Wm Niessen
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands.,ICaR-VU, Amsterdam, The Netherlands.,Department of Cardiac Surgery, VU University Medical Center, Amsterdam, The Netherlands
| | - Paul Aj Krijnen
- Department of Pathology, VU University Medical Center, Amsterdam, The Netherlands.,ICaR-VU, Amsterdam, The Netherlands
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Liu XH, Zhang QY, Pan LL, Liu SY, Xu P, Luo XL, Zou SL, Xin H, Qu LF, Zhu YZ. NADPH oxidase 4 contributes to connective tissue growth factor expression through Smad3-dependent signaling pathway. Free Radic Biol Med 2016; 94:174-84. [PMID: 26945889 DOI: 10.1016/j.freeradbiomed.2016.02.031] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Revised: 02/21/2016] [Accepted: 02/28/2016] [Indexed: 01/28/2023]
Abstract
Transforming growth factor-β (TGF-β)/Smad signaling has been implicated in connective tissue growth factor (CTGF) expression in vascular smooth muscle cells (VSMC). Reactive oxygen species (ROS) are involved in activation of TGF-β/Smad signaling. However, detailed mechanisms underlying the process remain unclear. In present study, we demonstrated TGF-β1 strongly induced CTGF expression, Smad3 activation, NADPH oxidase 4 (Nox4) expression and increased ROS production in primary rat VSMC in vitro. NADPH oxidases inhibitor diphenylene iodonium (DPI) eliminated TGF-β1-induced CTGF expression and ROS generation. In addition, small-interfering RNA (siRNA) silencing of Smad3 or Nox4 significantly suppressed TGF-β1-mediated CTGF expression in VSMC. Furthermore, Nox4 silencing or inhibition eliminated TGF-β1-induced Smad3 activation and interaction between Nox4 and Smad3. In vivo studies further identified a positive correlation of Nox4 levels with Smad3 activation and CTGF expression in atherosclerotic arteries of patients and animal models. These data established that a novel mechanistic link of Nox4-dependent activation of Smad3 to increased TGF-β1-induced CTGF in the process of vascular remodeling, which suggested a new potential pathway for therapeutic interventions.
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Affiliation(s)
- Xin-Hua Liu
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai 201203, China
| | - Qiu-Yan Zhang
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai 201203, China
| | - Li-Long Pan
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai 201203, China
| | - Si-Yu Liu
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai 201203, China
| | - Peng Xu
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai 201203, China
| | - Xiao-Ling Luo
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai 201203, China
| | - Si-Li Zou
- Department of Vascular Surgery, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai 200003, China
| | - Hong Xin
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai 201203, China
| | - Le-Feng Qu
- Department of Vascular Surgery, Changzheng Hospital, Second Military Medical University, 415 Fengyang Road, Shanghai 200003, China.
| | - Yi-Zhun Zhu
- Shanghai Key Laboratory of Bioactive Small Molecules, Department of Pharmacology, School of Pharmacy, Fudan University, 826, Zhangheng Road, Pudong New District, Shanghai 201203, China; School of Pharmacy, Macau University of Science and Technology, Macau.
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The lysyl oxidase inhibitor (β-aminopropionitrile) reduces leptin profibrotic effects and ameliorates cardiovascular remodeling in diet-induced obesity in rats. J Mol Cell Cardiol 2016; 92:96-104. [PMID: 26780438 DOI: 10.1016/j.yjmcc.2016.01.012] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/21/2015] [Revised: 12/15/2015] [Accepted: 01/13/2016] [Indexed: 01/13/2023]
Abstract
Lysyl oxidase (LOX) is an extracellular matrix (ECM)-modifying enzyme that has been involved in cardiovascular remodeling. We explore the impact of LOX inhibition in ECM alterations induced by obesity in the cardiovascular system. LOX is overexpressed in the heart and aorta from rats fed a high-fat diet (HFD). β-Aminopropionitrile (BAPN), an inhibitor of LOX activity, significantly attenuated the increase in body weight and cardiac hypertrophy observed in HFD rats. No significant differences were found in cardiac function or blood pressure among any group. However, HFD rats showed cardiac and vascular fibrosis and enhanced levels of superoxide anion (O2(-)), collagen I and transforming growth factor β (TGF-β) in heart and aorta and connective tissue growth factor (CTGF) in aorta, effects that were attenuated by LOX inhibition. Interestingly, BAPN also prevented the increase in circulating leptin levels detected in HFD fed animals. Leptin increased protein levels of collagen I, TGF-β and CTGF, Akt phosphorylation and O2(-) production in both cardiac myofibroblasts and vascular smooth muscle cells in culture, while LOX inhibition ameliorated these alterations. LOX knockdown also attenuated leptin-induced collagen I production in cardiovascular cells. Our findings indicate that LOX inhibition attenuates the fibrosis and the oxidative stress induced by a HFD on the cardiovascular system. The reduction of leptin levels by BAPN in vivo and the ability of this compound to inhibit leptin-induced profibrotic mediators and ROS production in cardiac and vascular cells suggest that interactions between leptin and LOX regulate downstream events responsible for myocardial and vascular fibrosis in obesity.
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38
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Couto GK, Britto LRG, Mill JG, Rossoni LV. Enhanced nitric oxide bioavailability in coronary arteries prevents the onset of heart failure in rats with myocardial infarction. J Mol Cell Cardiol 2015. [DOI: 10.1016/j.yjmcc.2015.07.017] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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González-Santamaría J, Villalba M, Busnadiego O, López-Olañeta MM, Sandoval P, Snabel J, López-Cabrera M, Erler JT, Hanemaaijer R, Lara-Pezzi E, Rodríguez-Pascual F. Matrix cross-linking lysyl oxidases are induced in response to myocardial infarction and promote cardiac dysfunction. Cardiovasc Res 2015; 109:67-78. [PMID: 26260798 DOI: 10.1093/cvr/cvv214] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2015] [Accepted: 07/31/2015] [Indexed: 12/27/2022] Open
Abstract
AIMS After myocardial infarction (MI), extensive remodelling of the extracellular matrix contributes to scar formation. While aiming to preserve tissue integrity, this fibrotic response is also associated with adverse events, including a markedly increased risk of heart failure, ventricular arrhythmias, and sudden cardiac death. Cardiac fibrosis is characterized by extensive deposition of collagen and also by increased stiffness as a consequence of enhanced collagen cross-linking. Members of the lysyl oxidase (LOX) family of enzymes are responsible for the formation of collagen cross-links. This study investigates the contribution of LOX family members to the heart response to MI. METHODS AND RESULTS Experimental MI was induced in C57BL/6 mice by permanent ligation of the left anterior descending coronary artery. The expression of LOX isoforms (LOX and LOXL1-4) was strongly increased upon MI, and this response was accompanied by a significant accumulation of mature collagen fibres in the infarcted area. LOX expression was observed in areas of extensive remodelling, partially overlapping with α-smooth muscle actin-expressing myofibroblasts. Tumour growth factor-β as well as hypoxia-activated pathways contributed to the induction of LOX expression in cardiac fibroblasts. Finally, in vivo post-infarction treatment with the broadband LOX inhibitor β-aminopropionitrile or, selectively, with a neutralizing antibody against the canonical LOX isoform attenuated collagen accumulation and maturation and also resulted in reduced ventricular dilatation and improved cardiac function. CONCLUSION LOX family members contribute significantly to the detrimental effects of cardiac remodelling, highlighting LOX inhibition as a potential therapeutic strategy for post-infarction recovery.
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Affiliation(s)
- José González-Santamaría
- Centro de Biología Molecular 'Severo Ochoa', Consejo Superior de Investigaciones Científicas (CSIC), Universidad Autónoma de Madrid (UAM), Nicolás Cabrera 1, Madrid E28049, Spain
| | - María Villalba
- Myocardial Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Melchor Fernández Almagro 3, Madrid E28029, Spain
| | - Oscar Busnadiego
- Centro de Biología Molecular 'Severo Ochoa', Consejo Superior de Investigaciones Científicas (CSIC), Universidad Autónoma de Madrid (UAM), Nicolás Cabrera 1, Madrid E28049, Spain
| | - Marina M López-Olañeta
- Myocardial Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Melchor Fernández Almagro 3, Madrid E28029, Spain
| | - Pilar Sandoval
- Centro de Biología Molecular 'Severo Ochoa', Consejo Superior de Investigaciones Científicas (CSIC), Universidad Autónoma de Madrid (UAM), Nicolás Cabrera 1, Madrid E28049, Spain
| | | | - Manuel López-Cabrera
- Centro de Biología Molecular 'Severo Ochoa', Consejo Superior de Investigaciones Científicas (CSIC), Universidad Autónoma de Madrid (UAM), Nicolás Cabrera 1, Madrid E28049, Spain
| | - Janine T Erler
- Biotech Research and Innovation Centre (BRIC), University of Copenhagen (UCPH), Copenhagen, Denmark
| | | | - Enrique Lara-Pezzi
- Myocardial Pathophysiology Area, Centro Nacional de Investigaciones Cardiovasculares Carlos III (CNIC), Melchor Fernández Almagro 3, Madrid E28029, Spain
| | - Fernando Rodríguez-Pascual
- Centro de Biología Molecular 'Severo Ochoa', Consejo Superior de Investigaciones Científicas (CSIC), Universidad Autónoma de Madrid (UAM), Nicolás Cabrera 1, Madrid E28049, Spain
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40
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Gu X, Xu J, Yang XP, Peterson E, Harding P. Fractalkine neutralization improves cardiac function after myocardial infarction. Exp Physiol 2015; 100:805-17. [PMID: 25943588 DOI: 10.1113/ep085104] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2015] [Accepted: 04/30/2015] [Indexed: 12/16/2022]
Abstract
NEW FINDINGS What is the central question of this study? What is the cardioprotective role of fractalkine neutralization in heart failure and what are the mechanisms responsible? What is the main finding and its importance? The concentration of fractalkine is increased in the left ventricle of mice with myocardial infarction, similar to the increases in plasma from heart failure patients. The present study shows a clear beneficial effect of neutralizing fractalkine in a model of myocardial infarction, which results in increased survival. Such an approach may be worthwhile in human patients. Concentrations of the chemokine fractalkine (FKN) are increased in patients with chronic heart failure, and our previous studies show that aged mice lacking the prostaglandin E2 EP4 receptor subtype (EP4-KO) have increased cardiac FKN, with a phenotype of dilated cardiomyopathy. However, how FKN participates in the pathogenesis of heart failure has rarely been studied. We hypothesized that FKN contributes to the pathogenesis of heart failure and that anti-FKN treatment prevents heart failure induced by myocardial infarction (MI) more effectively in EP4-KO mice. Male EP4-KO mice and wild-type littermates underwent sham or MI surgery and were treated with an anti-FKN antibody or control IgG. At 2 weeks post-MI, echocardiography was performed and hearts were excised for determination of infarct size, immunohistochemistry and Western blot of signalling molecules. Given that FKN protein levels in the left ventricle were increased to a similar extent in both strains after MI and that anti-FKN treatment improved survival and cardiac function in both strains, we subsequently used only wild-type mice to examine the mechanisms whereby anti-FKN is cardioprotective. Myocyte cross-sectional area and interstitial collagen fraction were reduced after anti-FKN treatment, as were macrophage migration and gelatinase activity. Activation of ERK1/2 and p38 MAPK were reduced after neutralization of FKN. In vitro, FKN increased fibroblast proliferation. In conclusion, increased FKN contributes to heart failure after MI. This effect is not exacerbated in EP4-KO mice, suggesting that there is no link between FKN and lack of EP4. Overall, inhibition of FKN may be important to preserve cardiac function post-MI.
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Affiliation(s)
- Xiaosong Gu
- Hypertension and Vascular Research Division, Department of Internal Medicine, Henry Ford Hospital, Detroit, MI, 48202, USA.,Department of Cardiology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, 215004, China
| | - Jiang Xu
- Hypertension and Vascular Research Division, Department of Internal Medicine, Henry Ford Hospital, Detroit, MI, 48202, USA
| | - Xiao-Ping Yang
- Hypertension and Vascular Research Division, Department of Internal Medicine, Henry Ford Hospital, Detroit, MI, 48202, USA
| | - Edward Peterson
- Department of Public Health Sciences, Henry Ford Hospital, Detroit, MI, 48202, USA
| | - Pamela Harding
- Hypertension and Vascular Research Division, Department of Internal Medicine, Henry Ford Hospital, Detroit, MI, 48202, USA
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41
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Galectin-3 levels are associated with right ventricular functional and morphologic changes in pulmonary arterial hypertension. Heart Vessels 2015; 31:939-46. [DOI: 10.1007/s00380-015-0691-z] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Accepted: 05/01/2015] [Indexed: 01/13/2023]
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42
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Luan A, Tang F, Yang Y, Lu M, Wang H, Zhang Y. Astragalus polysaccharide attenuates isoproterenol-induced cardiac hypertrophy by regulating TNF-α/PGC-1α signaling mediated energy biosynthesis. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2015; 39:1081-90. [PMID: 25880160 DOI: 10.1016/j.etap.2015.03.014] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2014] [Revised: 03/22/2015] [Accepted: 03/24/2015] [Indexed: 05/21/2023]
Abstract
We previously reported that Astragalus polysaccharide (APS) extracted from Chinese medicine Astragalus membranaceus (Fisch.) Bge, attenuates hypertrophy of neonatal rat ventricular myocytes (NRVMs) induced by isoproterenol (Iso). The present study was designed to investigate the effects and the possible mechanism of APS on Iso-induced hypertrophy in rats and NRVMs with focus on tumor necrosis factor α (TNF-α)/peroxisome proliferator-activated receptor-γ coactivator 1α (PGC-1α) signaling mediated energy biosynthesis. 36-Week old rats were randomly divided into 3 groups: (1) Control, rats received vehicle; (2) Iso, rats received isoproterenol injections; (3) Iso+APS, rats received isoproterenol injections and APS. NRVMs were divided into similar groups as rats. The results showed that combination of APS with Iso significantly attenuated the pathological changes, reduced the ratios of heart weight/body weight (HW/BW) and left ventricular weight/BW (LVW/BW), improved the cardiac hemodynamics, down-regulated mRNA and protein expression of atrial natriuretic peptide (ANP), increased the ratios of ATP/ADP and ATP/AMP, and decreased the content of free fatty acid (FFA) in heart tissue of rats compared with Iso alone. In addition, pretreatment with APS significantly decreased the surface area and protein content, down-regulated mRNA and protein expression of ANP, increased the ratios of ATP/ADP and ATP/AMP, and decreased the content of FFA in NRVMs compared with Iso alone. Furthermore, APS increased the protein expressions of ATP5D, the σ subunit of ATP synthase, PGC-1α and pyruvate dehydrogenase kinase 4 (PDK4) in tissue and NRVMs respectively and inhibited the production of TNF-α in serum and culture medium compared with Iso alone. The results suggested that APS attenuates Iso-induced cardiac hypertrophy through regulating TNF-α/PGC-1α signaling mediated energy biosynthesis.
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Affiliation(s)
- Aina Luan
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Liaoning Province, Drug Research Institute, Liaoning Medical University, No. 40, Section 3, Songpo Road, Jinzhou 121001, PR China; Internal Medicine-Cardiovascular Department, The First Affiliated Hospital of Liaoning Medical University, No. 2, Section 5, Renming Jie, Jinzhou 121001, PR China
| | - Futian Tang
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Liaoning Province, Drug Research Institute, Liaoning Medical University, No. 40, Section 3, Songpo Road, Jinzhou 121001, PR China
| | - Yuhong Yang
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Liaoning Province, Drug Research Institute, Liaoning Medical University, No. 40, Section 3, Songpo Road, Jinzhou 121001, PR China
| | - Meili Lu
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Liaoning Province, Drug Research Institute, Liaoning Medical University, No. 40, Section 3, Songpo Road, Jinzhou 121001, PR China
| | - Hongxin Wang
- Key Laboratory of Cardiovascular and Cerebrovascular Drug Research of Liaoning Province, Drug Research Institute, Liaoning Medical University, No. 40, Section 3, Songpo Road, Jinzhou 121001, PR China.
| | - Yingjie Zhang
- Internal Medicine-Cardiovascular Department, The First Affiliated Hospital of Liaoning Medical University, No. 2, Section 5, Renming Jie, Jinzhou 121001, PR China.
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Miana M, Galán M, Martínez-Martínez E, Varona S, Jurado-López R, Bausa-Miranda B, Antequera A, Luaces M, Martínez-González J, Rodríguez C, Cachofeiro V. The lysyl oxidase inhibitor β-aminopropionitrile reduces body weight gain and improves the metabolic profile in diet-induced obesity in rats. Dis Model Mech 2015; 8:543-51. [PMID: 26035864 PMCID: PMC4457038 DOI: 10.1242/dmm.020107] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2015] [Accepted: 03/28/2015] [Indexed: 12/31/2022] Open
Abstract
Extracellular matrix (ECM) remodelling of the adipose tissue plays a pivotal role in the pathophysiology of obesity. The lysyl oxidase (LOX) family of amine oxidases, including LOX and LOX-like (LOXL) isoenzymes, controls ECM maturation, and upregulation of LOX activity is essential in fibrosis; however, its involvement in adipose tissue dysfunction in obesity is unclear. In this study, we observed that LOX is the main isoenzyme expressed in human adipose tissue and that its expression is strongly upregulated in samples from obese individuals that had been referred to bariatric surgery. LOX expression was also induced in the adipose tissue from male Wistar rats fed a high-fat diet (HFD). Interestingly, treatment with β-aminopropionitrile (BAPN), a specific and irreversible inhibitor of LOX activity, attenuated the increase in body weight and fat mass that was observed in obese animals and shifted adipocyte size toward smaller adipocytes. BAPN also ameliorated the increase in collagen content that was observed in adipose tissue from obese animals and improved several metabolic parameters – it ameliorated glucose and insulin levels, decreased homeostasis model assessment (HOMA) index and reduced plasma triglyceride levels. Furthermore, in white adipose tissue from obese animals, BAPN prevented the downregulation of adiponectin and glucose transporter 4 (GLUT4), as well as the increase in suppressor of cytokine signaling 3 (SOCS3) and dipeptidyl peptidase 4 (DPP4) levels, triggered by the HFD. Likewise, in the TNFα-induced insulin-resistant 3T3-L1 adipocyte model, BAPN prevented the downregulation of adiponectin and GLUT4 and the increase in SOCS3 levels, and consequently normalised insulin-stimulated glucose uptake. Therefore, our data provide evidence that LOX plays a pathologically relevant role in the metabolic dysfunction induced by obesity and emphasise the interest of novel pharmacological interventions that target adipose tissue fibrosis and LOX activity for the clinical management of this disease. Highlighted Article: Lysyl oxidase (LOX) could play a role in the metabolic dysfunction induced by obesity, and consequently the inhibition of LOX activity could be a valuable strategy to ameliorate obesity-related metabolic disturbances.
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Affiliation(s)
- María Miana
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense, Madrid 28040, Spain Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid 28007, Spain
| | - María Galán
- Centro de Investigación Cardiovascular (CSIC-ICCC), IIB-Sant Pau, Barcelona 08025, Spain
| | - Ernesto Martínez-Martínez
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense, Madrid 28040, Spain Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid 28007, Spain Cardiovascular Translational Research, NavarraBiomed (Fundación Miguel Servet), Pamplona 31008, Spain
| | - Saray Varona
- Centro de Investigación Cardiovascular (CSIC-ICCC), IIB-Sant Pau, Barcelona 08025, Spain
| | - Raquel Jurado-López
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense, Madrid 28040, Spain Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid 28007, Spain
| | - Belén Bausa-Miranda
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense, Madrid 28040, Spain Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid 28007, Spain
| | - Alfonso Antequera
- Upper Gastroenterology & Bariatric Surgery Department, Fuenlabrada University Hospital, Madrid 28942, Spain
| | - María Luaces
- Cardiology Department, Cardiovascular Institute, Hospital Clínico San Carlos, Madrid 28040, Spain
| | - José Martínez-González
- Centro de Investigación Cardiovascular (CSIC-ICCC), IIB-Sant Pau, Barcelona 08025, Spain
| | - Cristina Rodríguez
- Centro de Investigación Cardiovascular (CSIC-ICCC), IIB-Sant Pau, Barcelona 08025, Spain
| | - Victoria Cachofeiro
- Departamento de Fisiología, Facultad de Medicina, Universidad Complutense, Madrid 28040, Spain Instituto de Investigación Sanitaria Gregorio Marañón (IiSGM), Madrid 28007, Spain
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Torina AG, Reichert K, Lima F, de Souza Vilarinho KA, de Oliveira PPM, do Carmo HRP, de Carvalho DD, Saad MJA, Sposito AC, Petrucci O. Diacerein improves left ventricular remodeling and cardiac function by reducing the inflammatory response after myocardial infarction. PLoS One 2015; 10:e0121842. [PMID: 25816098 PMCID: PMC4376692 DOI: 10.1371/journal.pone.0121842] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2014] [Accepted: 02/19/2015] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND The inflammatory response has been implicated in the pathogenesis of left ventricular (LV) remodeling after myocardial infarction (MI). An anthraquinone compound with anti-inflammatory properties, diacerein inhibits the synthesis and activity of pro-inflammatory cytokines, such as tumor necrosis factor and interleukins 1 and 6. The purpose of this study was to investigate the effects of diacerein on ventricular remodeling in vivo. METHODS AND RESULTS Ligation of the left anterior descending artery was used to induce MI in an experimental rat model. Rats were divided into two groups: a control group that received saline solution (n = 16) and a group that received diacerein (80 mg/kg) daily (n = 10). After 4 weeks, the LV volume, cellular signaling, caspase 3 activity, and nuclear factor kappa B (NF-κB) transcription were compared between the two groups. After 4 weeks, end-diastolic and end-systolic LV volumes were reduced in the treatment group compared to the control group (p < .01 and p < .01, respectively). Compared to control rats, diacerein-treated rats exhibited less fibrosis in the LV (14.65%± 7.27% vs. 22.57%± 8.94%; p < .01), lower levels of caspase-3 activity, and lower levels of NF-κB p65 transcription. CONCLUSIONS Treatment with diacerein once a day for 4 weeks after MI improved ventricular remodeling by promoting lower end-systolic and end-diastolic LV volumes. Diacerein also reduced fibrosis in the LV. These effects might be associated with partial blockage of the NF-κB pathway.
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Affiliation(s)
- Anali Galluce Torina
- Laboratory of Myocardial Ischemia/Reperfusion, Faculty of Medical Science, State University of Campinas—UNICAMP, Campinas, SP, Brazil
| | - Karla Reichert
- Laboratory of Myocardial Ischemia/Reperfusion, Faculty of Medical Science, State University of Campinas—UNICAMP, Campinas, SP, Brazil
| | - Fany Lima
- Laboratory of Myocardial Ischemia/Reperfusion, Faculty of Medical Science, State University of Campinas—UNICAMP, Campinas, SP, Brazil
| | | | - Pedro Paulo Martins de Oliveira
- Department of Surgery, Discipline of Cardiac Surgery, Faculty of Medical Science, State University of Campinas—UNICAMP, Campinas, SP, Brazil
| | - Helison Rafael Pereira do Carmo
- Laboratory of Myocardial Ischemia/Reperfusion, Faculty of Medical Science, State University of Campinas—UNICAMP, Campinas, SP, Brazil
| | - Daniela Diógenes de Carvalho
- Laboratory of Myocardial Ischemia/Reperfusion, Faculty of Medical Science, State University of Campinas—UNICAMP, Campinas, SP, Brazil
| | - Mário José Abdalla Saad
- Department of Internal Medicine, Faculty of Medical Science, State University of Campinas—UNICAMP, Campinas, SP, Brazil
| | - Andrei Carvalho Sposito
- Department of Internal Medicine, Faculty of Medical Science, State University of Campinas—UNICAMP, Campinas, SP, Brazil
| | - Orlando Petrucci
- Laboratory of Myocardial Ischemia/Reperfusion, Faculty of Medical Science, State University of Campinas—UNICAMP, Campinas, SP, Brazil
- Department of Surgery, Discipline of Cardiac Surgery, Faculty of Medical Science, State University of Campinas—UNICAMP, Campinas, SP, Brazil
- * E-mail:
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Uryash A, Bassuk J, Kurlansky P, Altamirano F, Lopez JR, Adams JA. Non-invasive technology that improves cardiac function after experimental myocardial infarction: Whole Body Periodic Acceleration (pGz). PLoS One 2015; 10:e0121069. [PMID: 25807532 PMCID: PMC4373845 DOI: 10.1371/journal.pone.0121069] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Accepted: 01/27/2015] [Indexed: 01/04/2023] Open
Abstract
Myocardial infarction (MI) may produce significant inflammatory changes and adverse ventricular remodeling leading to heart failure and premature death. Pharmacologic, stem cell transplantation, and exercise have not halted the inexorable rise in the prevalence and great economic costs of heart failure despite extensive investigations of such treatments. New therapeutic modalities are needed. Whole Body Periodic Acceleration (pGz) is a non-invasive technology that increases pulsatile shear stress to the endothelium thereby producing several beneficial cardiovascular effects as demonstrated in animal models, normal humans and patients with heart disease. pGz upregulates endothelial derived nitric oxide synthase (eNOS) and its phosphorylation (p-eNOS) to improve myocardial function in models of myocardial stunning and preconditioning. Here we test whether pGz applied chronically after focal myocardial infarction in rats improves functional outcomes from MI. Focal MI was produced by left coronary artery ligation. One day after ligation animals were randomized to receive daily treatments of pGz for four weeks (MI-pGz) or serve as controls (MI-CONT), with an additional group as non-infarction controls (Sham). Echocardiograms and invasive pressure volume loop analysis were carried out. Infarct transmurality, myocardial fibrosis, and markers of inflammatory and anti-inflammatory cytokines were determined along with protein analysis of eNOS, p-eNOS and inducible nitric oxide synthase (iNOS).At four weeks, survival was 80% in MI-pGz vs 50% in MI-CONT (p< 0.01). Ejection fraction and fractional shortening and invasive pressure volume relation indices of afterload and contractility were significantly better in MI-pGz. The latter where associated with decreased infarct transmurality and decreased fibrosis along with increased eNOS, p-eNOS. Additionally, MI-pGz had significantly lower levels of iNOS, inflammatory cytokines (IL-6, TNF-α), and higher level of anti-inflammatory cytokine (IL-10). pGz improved survival and contractile performance, associated with improved myocardial remodeling. pGz may serve as a simple, safe, non-invasive therapeutic modality to improve myocardial function after MI.
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Affiliation(s)
- Arkady Uryash
- Division of Neonatology, Mount Sinai Medical Center, Miami Beach, FL, United States of America
| | - Jorge Bassuk
- Division of Neonatology, Mount Sinai Medical Center, Miami Beach, FL, United States of America
| | - Paul Kurlansky
- Columbia Heart Source, Columbia University College of Physicians and Surgeons, New York, NY, United States of America
| | - Francisco Altamirano
- Departments of Molecular Bioscience, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
| | - Jose R. Lopez
- Departments of Molecular Bioscience, School of Veterinary Medicine, University of California Davis, Davis, CA, United States of America
| | - Jose A. Adams
- Division of Neonatology, Mount Sinai Medical Center, Miami Beach, FL, United States of America
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Lagarto J, Dyer BT, Talbot C, Sikkel MB, Peters NS, French PMW, Lyon AR, Dunsby C. Application of time-resolved autofluorescence to label-free in vivo optical mapping of changes in tissue matrix and metabolism associated with myocardial infarction and heart failure. BIOMEDICAL OPTICS EXPRESS 2015; 6:324-46. [PMID: 25780727 PMCID: PMC4354591 DOI: 10.1364/boe.6.000324] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/06/2014] [Revised: 10/17/2014] [Accepted: 10/21/2014] [Indexed: 05/03/2023]
Abstract
We investigate the potential of an instrument combining time-resolved spectrofluorometry and diffuse reflectance spectroscopy to measure structural and metabolic changes in cardiac tissue in vivo in a 16 week post-myocardial infarction heart failure model in rats. In the scar region, we observed changes in the fluorescence signal that can be explained by increased collagen content, which is in good agreement with histology. In areas remote from the scar tissue, we measured changes in the fluorescence signal (p < 0.001) that cannot be explained by differences in collagen content and we attribute this to altered metabolism within the myocardium. A linear discriminant analysis algorithm was applied to the measurements to predict the tissue disease state. When we combine all measurements, our results reveal high diagnostic accuracy in the infarcted area (100%) and border zone (94.44%) as well as in remote regions from the scar (> 77%). Overall, our results demonstrate the potential of our instrument to characterize structural and metabolic changes in a failing heart in vivo without using exogenous labels.
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Affiliation(s)
- João Lagarto
- Photonics Group, Department of Physics, Imperial College London, Prince Consort Road, London, SW7 2AZ
UK
- Authors contributed equally to this work
| | - Benjamin T. Dyer
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN
UK
- Authors contributed equally to this work
| | - Clifford Talbot
- Photonics Group, Department of Physics, Imperial College London, Prince Consort Road, London, SW7 2AZ
UK
| | - Markus B. Sikkel
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN
UK
| | - Nicholas S. Peters
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN
UK
| | - Paul M. W. French
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN
UK
| | - Alexander R. Lyon
- National Heart and Lung Institute, Imperial College London, Du Cane Road, London, W12 0NN
UK
- Authors contributed equally to this work
| | - Chris Dunsby
- Photonics Group, Department of Physics, Imperial College London, Prince Consort Road, London, SW7 2AZ
UK
- Authors contributed equally to this work
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Fatkhudinov T, Bolshakova G, Arutyunyan I, Elchaninov A, Makarov A, Kananykhina E, Khokhlova O, Murashev A, Glinkina V, Goldshtein D, Sukhikh G. Bone marrow-derived multipotent stromal cells promote myocardial fibrosis and reverse remodeling of the left ventricle. Stem Cells Int 2015; 2015:746873. [PMID: 25685158 PMCID: PMC4320796 DOI: 10.1155/2015/746873] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Revised: 12/28/2014] [Accepted: 12/28/2014] [Indexed: 02/07/2023] Open
Abstract
Cell therapy is increasingly recognized as a beneficial practice in various cardiac conditions, but its fundamentals remain largely unclear. The fates of transplanted multipotent stromal cells in postinfarction cardiac microenvironments are particularly understudied. To address this issue, labeled multipotent stromal cells were infused into rat myocardium at day 30 after myocardial infarction, against the background of postinfarction cardiosclerosis. Therapeutic effects of the transplantation were assessed by an exercise tolerance test. Histological examination at 14 or 30 days after the transplantation was conducted by means of immunostaining and quantitative image analysis. An improvement in the functional status of the cardiovascular system was observed after both the autologous and the allogeneic transplantations. Location of the label-positive cells within the heart was restricted to the affected part of myocardium. The transplanted cells could give rise to fibroblasts or myofibroblasts but not to cardiac myocytes or blood vessel cells. Both types of transplantation positively influenced scarring processes, and no expansion of fibrosis to border myocardium was observed. Left ventricular wall thickening associated with reduced dilatation index was promoted by transplantation of the autologous cells. According to the results, multipotent stromal cell transplantation prevents adverse remodeling and stimulates left ventricular reverse remodeling.
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Affiliation(s)
- Timur Fatkhudinov
- 1Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
- 2Scientific Research Institute of Human Morphology, Russian Academy of Medical Sciences, 3 Tsurupa Street, Moscow 117418, Russia
- 3Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, 1 Ostrovitianov Street, Moscow 117997, Russia
- *Timur Fatkhudinov:
| | - Galina Bolshakova
- 1Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
| | - Irina Arutyunyan
- 1Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
- 2Scientific Research Institute of Human Morphology, Russian Academy of Medical Sciences, 3 Tsurupa Street, Moscow 117418, Russia
| | - Andrey Elchaninov
- 1Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
- 2Scientific Research Institute of Human Morphology, Russian Academy of Medical Sciences, 3 Tsurupa Street, Moscow 117418, Russia
- 3Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, 1 Ostrovitianov Street, Moscow 117997, Russia
| | - Andrey Makarov
- 1Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
- 2Scientific Research Institute of Human Morphology, Russian Academy of Medical Sciences, 3 Tsurupa Street, Moscow 117418, Russia
| | - Evgeniya Kananykhina
- 1Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
- 2Scientific Research Institute of Human Morphology, Russian Academy of Medical Sciences, 3 Tsurupa Street, Moscow 117418, Russia
| | - Oksana Khokhlova
- 4Biological Testing Laboratory, Branch of Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 6 Nauki Avenue, Pushchino 142290, Russia
| | - Arkady Murashev
- 4Biological Testing Laboratory, Branch of Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, 6 Nauki Avenue, Pushchino 142290, Russia
| | - Valeria Glinkina
- 3Pirogov Russian National Research Medical University, Ministry of Healthcare of the Russian Federation, 1 Ostrovitianov Street, Moscow 117997, Russia
| | - Dmitry Goldshtein
- 5Research Centre of Medical Genetics of the Russian Academy of Medical Sciences, 1 Moskvorechie Street, Moscow 115478, Russia
| | - Gennady Sukhikh
- 1Research Center for Obstetrics, Gynecology and Perinatology of Ministry of Healthcare of the Russian Federation, 4 Oparina Street, Moscow 117997, Russia
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Dai H, Jia G, Liu X, Liu Z, Wang H. Astragalus polysaccharide inhibits isoprenaline-induced cardiac hypertrophy via suppressing Ca²⁺-mediated calcineurin/NFATc3 and CaMKII signaling cascades. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2014; 38:263-271. [PMID: 24975447 DOI: 10.1016/j.etap.2014.05.008] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2014] [Revised: 05/15/2014] [Accepted: 05/19/2014] [Indexed: 06/03/2023]
Abstract
Pathological cardiac hypertrophy induced by increased sympathetic drive can subsequently lead to congestive heart failure, which represents the major cause of morbidity and mortality worldwide. Astragalus polysaccharide (APS) is an active compound extracted from Chinese herb Astragalus membranaceus (AM), a frequently used "Qi-invigorating" herbal medicine in traditional medicine broadly used for the treatment of cardiovascular and other diseases. Currently, little is known about the effect of APS on cardiac hypertrophy. In the present study, we aimed to investigate its effect on cardiac hypertrophy and to clarify its possible mechanisms. In vitro cardiac hypertrophic model induced by isoprenaline (ISO) was employed to explore the anti-hypertrophic action of APS. We found that 10 μM ISO treatment for 48 h caused cultured cardiomyocytes to undergo significant increases in cell surface area, total protein content, protein synthesis as well as the expression of hypertrophic markers, including atrial natriuretic peptide (ANP) and B-type natriuretic peptide (BNP), which were effectively inhibited by APS in a dose dependent manner. Moreover, we found that APS pretreatment alleviated the augment of intracellular free calcium during cardiac hypertrophy induced by ISO. Our further study revealed that the upregulated expression of calcineurin, translocation of nuclear factor of activated T cells, cytoplasmic 3 (NFATc3) into nucleus and activation of calmodulin kinase II (reflected by p-CaMKII) were dose dependently suppressed by the application of APS. According to this research, APS exerted its anti-hypertrophic action via inhibiting Ca(2+)-mediated calcineurin/NFATc3 and CaMKII signaling cascades, which provided new insights into the application of APS to the therapy of heart diseases.
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Affiliation(s)
- Hongliang Dai
- School of Nursing, Liaoning Medical University, Jinzhou 121001, Liaoning Province, PR China
| | - Guizhi Jia
- Department of Biochemistry and Molecular Biology, Liaoning Medical University, Jinzhou 121001, Liaoning Province, PR China
| | - Xin Liu
- First Affiliated Hospital, Liaoning Medical University, Jinzhou 121001, Liaoning Province, PR China
| | - Zhining Liu
- First Affiliated Hospital, Liaoning Medical University, Jinzhou 121001, Liaoning Province, PR China
| | - Hongxin Wang
- Department of Pharmacology, Liaoning Medical University, Jinzhou 121001, Liaoning Province, PR China.
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Silva AKA, Juenet M, Meddahi-Pellé A, Letourneur D. Polysaccharide-based strategies for heart tissue engineering. Carbohydr Polym 2014; 116:267-77. [PMID: 25458300 DOI: 10.1016/j.carbpol.2014.06.010] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2014] [Revised: 06/06/2014] [Accepted: 06/07/2014] [Indexed: 12/27/2022]
Abstract
Polysaccharides are abundant biomolecules in nature presenting important roles in a wide variety of living systems processes. Considering the structural and biological functions of polysaccharides, their properties have raised interest for tissue engineering. Herein, we described the latest advances in cardiac tissue engineering mediated by polysaccharides. We reviewed the data already obtained in vitro and in vivo in this field with several types of polysaccharides. Cardiac injection, intramyocardial in situ polymerization strategies, and scaffold-based approaches involving polysaccharides for heart tissue engineering are thus discussed.
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Affiliation(s)
- Amanda K A Silva
- Laboratoire Matière et Systèmes Complexes, UMR 7057 CNRS, Université Paris 7, 10 rue Alice Domon et Léonie Duquet, F-75205 Paris Cedex 13, France; Inserm, U1148, Cardiovascular Bio-Engineering, X. Bichat Hospital, 46 rue H. Huchard, F-75018 Paris, France
| | - Maya Juenet
- Inserm, U1148, Cardiovascular Bio-Engineering, X. Bichat Hospital, 46 rue H. Huchard, F-75018 Paris, France; Université Paris 13, Sorbonne Paris Cité, F-93430 Villetaneuse, France
| | - Anne Meddahi-Pellé
- Inserm, U1148, Cardiovascular Bio-Engineering, X. Bichat Hospital, 46 rue H. Huchard, F-75018 Paris, France; Université Paris 13, Sorbonne Paris Cité, F-93430 Villetaneuse, France
| | - Didier Letourneur
- Inserm, U1148, Cardiovascular Bio-Engineering, X. Bichat Hospital, 46 rue H. Huchard, F-75018 Paris, France; Université Paris 13, Sorbonne Paris Cité, F-93430 Villetaneuse, France.
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50
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Talasaz AH, Khalili H, Jenab Y, Salarifar M, Broumand MA, Darabi F. N-Acetylcysteine effects on transforming growth factor-β and tumor necrosis factor-α serum levels as pro-fibrotic and inflammatory biomarkers in patients following ST-segment elevation myocardial infarction. Drugs R D 2014; 13:199-205. [PMID: 24048773 PMCID: PMC3784054 DOI: 10.1007/s40268-013-0025-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Background and Aims Ischemia following acute myocardial infarction (AMI) increases the level of pro-fibrotic and inflammatory cytokines, including transforming growth factor (TGF)-β and tumor necrosis factor (TNF)-α. N-acetylcysteine (NAC) has therapeutic benefits in the management of patients with AMI. To the best of our knowledge, this is the first study that has evaluated the effect of NAC on TNF-α and TGF-β levels in patients with AMI. Methods Following confirmation of AMI, 88 patients were randomly administered NAC 600 mg (Fluimucil®, Zambon, Ticino, Switzerland) or placebo orally twice daily for 3 days. For quantification of TGF-β and TNF-α serum levels after 24 and 72 h of NAC or placebo administration, peripheral venous blood (10 mL) samples were collected at these time points. Results Comparisons between levels of TGF-β and TNF-α after 24 and 72 h within the NAC or placebo groups revealed that there was not any significant difference except for TGF-β levels in the placebo group, which increased significantly over time (p = 0.042). Significant relationships existed between patients’ ejection fraction (p = 0.005) and TGF-β levels. Conclusions Receiving NAC could prevent TGF-β levels from increasing after 72 h as compared with not receiving NAC. As TGF-β had strong correlations with the ejection fraction, its antagonism seems to be important in the prevention of remodeling.
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Affiliation(s)
- Azita Hajhossein Talasaz
- Department of Clinical Pharmacy, Faculty of Pharmacy, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran,
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