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Eadie AL, Simpson JA, Brunt KR. Teaching an old drug new tricks: Regulatory insights for the repurposing of hemin in cardiovascular disease. Pharmacol Res Perspect 2024; 12:e1225. [PMID: 38923404 PMCID: PMC11194834 DOI: 10.1002/prp2.1225] [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: 02/06/2024] [Revised: 05/17/2024] [Accepted: 05/29/2024] [Indexed: 06/28/2024] Open
Abstract
Drug repurposing has gained significant interest in recent years due to the high costs associated with de novo drug development; however, comprehensive pharmacological information is needed for the translation of pre-existing drugs across clinical applications. In the present study, we explore the current pharmacological understanding of the orphan drug, hemin, and identify remaining knowledge gaps with regard to hemin repurposing for the treatment of cardiovascular disease. Originally approved by the United States Food and Drug Administration in 1983 for the treatment of porphyria, hemin has attracted significant interest for therapeutic repurposing across a variety of pathophysiological conditions. Yet, the clinical translation of hemin remains limited to porphyria. Understanding hemin's pharmacological profile in health and disease strengthens our ability to treat patients effectively, identify therapeutic opportunities or limitations, and predict and prevent adverse side effects. However, requirements for the pre-clinical and clinical characterization of biologics approved under the U.S. FDA's Orphan Drug Act in 1983 (such as hemin) differed significantly from current standards, presenting fundamental gaps in our collective understanding of hemin pharmacology as well as knowledge barriers to clinical translation for future applications. Using information extracted from the primary and regulatory literature (including documents submitted to Health Canada in support of hemin's approval for the Canadian market in 2018), we present a comprehensive case study of current knowledge related to hemin's biopharmaceutical properties, pre-clinical/clinical pharmacokinetics, pharmacodynamics, dosing, and safety, focusing specifically on the drug's effects on heme regulation and in the context of acute myocardial infarction.
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Affiliation(s)
- Ashley L. Eadie
- Department of PharmacologyDalhousie UniversitySaint JohnNew BrunswickCanada
- IMPART investigator team CanadaSaint JohnNew BrunswickCanada
| | - Jeremy A. Simpson
- IMPART investigator team CanadaSaint JohnNew BrunswickCanada
- Department of Human Health & NutritionUniversity of GuelphGuelphOntarioCanada
| | - Keith R. Brunt
- Department of PharmacologyDalhousie UniversitySaint JohnNew BrunswickCanada
- IMPART investigator team CanadaSaint JohnNew BrunswickCanada
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2
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Blagodarov SV, Zheltukhina GA, Nebolsin VE. Iron metabolism in the cell as a target in the development of potential antimicrobial and antiviral agents. BIOMEDITSINSKAIA KHIMIIA 2023; 69:199-218. [PMID: 37705481 DOI: 10.18097/pbmc20236904199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/15/2023]
Abstract
The search and creation of innovative antimicrobial drugs, acting against resistant and multiresistant strains of bacteria and fungi, are one of the most important tasks of modern bioorganic chemistry and pharmaceuticals. Since iron is essential for the vital activity of almost all organisms, including mammals and bacteria, the proteins involved in its metabolism can serve as potential targets in the development of new promising antimicrobial agents. Such targets include endogenous mammalian biomolecules, heme oxygenases, siderophores, protein 24p3, as well as bacterial heme oxygenases and siderophores. Other proteins that are responsible for the delivery of iron to cells and its balance between bacteria and the host organism also attract certain particular interest. The review summarizes data on the development of inhibitors and inducers (activators) of heme oxygenases, selective for mammals and bacteria, and considers the characteristic features of their mechanisms of action and structure. Based on the reviewed literature data, it was concluded that the use of hemin, the most powerful hemooxygenase inducer, and its derivatives as potential antimicrobial and antiviral agents, in particular against COVID-19 and other dangerous infections, would be a promising approach. In this case, an important role is attributed to the products of hemin degradation formed by heme oxygenases in vitro and in vivo. Certain attention has been paid to the data on the antimicrobial action of iron-free protoporphyrinates, namely complexes with Co, Ga, Zn, Mn, their advantages and disadvantages compared to hemin. Modification of the well-known antibiotic ceftazidime with a siderophore molecule increased its effectiveness against resistant bacteria.
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Affiliation(s)
- S V Blagodarov
- MIREA - Russian Technological University (MITHT), Moscow, Russia; LLC "Pharmenterprises", Moscow, Russia
| | - G A Zheltukhina
- MIREA - Russian Technological University (MITHT), Moscow, Russia; LLC "Pharmenterprises", Moscow, Russia
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Abdel-Hamid HA, Marey H, Ibrahim MFG. Hemin protects against cell stress induced by estrogen and progesterone in rat mammary glands via modulation of Nrf2/HO-1 and NF-κB pathways. Cell Stress Chaperones 2023; 28:289-301. [PMID: 36930344 PMCID: PMC10167073 DOI: 10.1007/s12192-023-01337-w] [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: 11/27/2022] [Revised: 02/19/2023] [Accepted: 03/08/2023] [Indexed: 03/18/2023] Open
Abstract
Mammary gland hyperplasia is one of the risk factors for breast cancer. Till date, there is no study that has addressed the effect of hemin in this condition. Thus, this study was designed to evaluate the effect of the heme oxygenase 1 (HO-1) inducer (hemin) and its inhibitor (zinc protoporphyrin-IX) (ZnPP-IX) on mammary gland hyperplasia (MGH) induced by estrogen and progesterone in adult albino rats. Forty adult female albino rats were divided into the control group, MGH group, MGH + Hemin group, and MGH + Hemin + ZnPP-IX group. Serum levels of estradiol and progesterone were measured. Breast tissues were taken for estimation of oxidative, inflammatory, and apoptotic markers. Mammary gland histology was performed, and expression of Ki-67, Beclin, and P53 in breast tissue was also measured. Estrogen and progesterone administration induced hyperplasia of cells lining the ducts of the breast tissues associated with increased diameter and height of the nipples as well as increased oxidative stress markers, inflammatory markers, antiapoptotic markers, and cell autophagy. Hemin administration during induction of MGH can reverse all the affected parameters. Then, these effects were abolished by ZnPP-IX administration. We concluded that hemin administration can antagonize the cell stress induced by estrogen and progesterone and protect against the development of mammary gland hyperplasia via modulation of Nrf2/HO-1 and NF-κB pathways.
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Affiliation(s)
- Heba A. Abdel-Hamid
- Department of Medical Physiology, Faculty of Medicine, Minia University, Minia, 61111 Egypt
- Department of Medical Physiology, Faculty of Medicine, Al-Baha University, Al Baha, Saudi Arabia
| | - Heba Marey
- Department of Medical Biochemistry, Faculty of Medicine, Minia University, Minia, 61111 Egypt
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Leal EC, Carvalho E. Heme Oxygenase-1 as Therapeutic Target for Diabetic Foot Ulcers. Int J Mol Sci 2022; 23:ijms231912043. [PMID: 36233341 PMCID: PMC9569859 DOI: 10.3390/ijms231912043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 10/04/2022] [Accepted: 10/09/2022] [Indexed: 11/22/2022] Open
Abstract
A diabetic foot ulcer (DFU) is one of the major complications of diabetes. Wound healing under diabetic conditions is often impaired. This is in part due to the excessive oxidative stress, prolonged inflammation, immune cell dysfunction, delayed re-epithelialization, and decreased angiogenesis present at the wound site. As a result of these multifactorial impaired healing pathways, it has been difficult to develop effective therapeutic strategies for DFU. Heme oxygenase-1 (HO-1) is the rate-limiting enzyme in heme degradation generating carbon monoxide (CO), biliverdin (BV) which is converted into bilirubin (BR), and iron. HO-1 is a potent antioxidant. It can act as an anti-inflammatory, proliferative, angiogenic and cytoprotective enzyme. Due to its biological functions, HO-1 plays a very important role in wound healing, in part mediated through the biologically active end products generated by its enzymatic activity, particularly CO, BV, and BR. Therapeutic strategies involving the activation of HO-1, or the topical application of its biologically active end products are important in diabetic wound healing. Therefore, HO-1 is an attractive therapeutic target for DFU treatment. This review will provide an overview and discussion of the importance of HO-1 as a therapeutic target for diabetic wound healing.
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Affiliation(s)
- Ermelindo Carreira Leal
- Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504 Coimbra, Portugal
- Institute of Interdisciplinary Research, University of Coimbra, 3004-504 Coimbra, Portugal
- Correspondence: (E.C.L.); (E.C.); Tel.: +351-239-820-190 (E.C.L. & E.C.)
| | - Eugenia Carvalho
- Center for Neuroscience and Cell Biology, University of Coimbra, 3004-504 Coimbra, Portugal
- Institute of Interdisciplinary Research, University of Coimbra, 3004-504 Coimbra, Portugal
- Correspondence: (E.C.L.); (E.C.); Tel.: +351-239-820-190 (E.C.L. & E.C.)
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Refaie MMM, Shehata S, Ibrahim RA, Bayoumi AMA, Abdel-Gaber SA. Dose-Dependent Cardioprotective Effect of Hemin in Doxorubicin-Induced Cardiotoxicity Via Nrf-2/HO-1 and TLR-5/NF-κB/TNF-α Signaling Pathways. Cardiovasc Toxicol 2021; 21:1033-1044. [PMID: 34510376 DOI: 10.1007/s12012-021-09694-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2021] [Accepted: 09/02/2021] [Indexed: 12/12/2022]
Abstract
Doxorubicin (DOX) is one of the most widely used chemotherapeutic drugs, but its cardiotoxicity has been shown to be a dose-restricting factor during therapy. Finding new agents for reducing these complications is still in critical need. The current study aimed to evaluate the possible cardioprotective effect of hemin (HEM) in DOX-induced cardiotoxicity and exploring the role of toll like receptor-5/nuclear factor kappa-B/tumor necrosis factor-alpha (TLR-5/NF-κB/TNF-α) and nuclear factor erythroid 2-related factor-2/hemeoxygenase-1 (Nrf-2/HO-1) signaling pathways in mediating such effect. Wistar albino rats were randomly divided into five groups. They were administered DOX by interaperitoneal (i.p.) injection (15 mg/kg) on the 5th day of the experiment with or without HEM in different doses (2.5, 5, 10 mg/kg/day) i.p. for 7 days. Results showed that the DOX group had cardiotoxicity as manifested by a significant increase in cardiac enzymes, malondialdehyde (MDA), TLR-5, NF-κB, TNF-α, and cleaved caspase-3 levels with toxic histopathological changes. Based on these findings, HEM succeeded in reducing DOX-induced cardiotoxicity in a dose-dependent effect by stimulation of Nrf-2/HO-1 and inhibition of TLR-5/NF-κB/TNF-α pathways with subsequent antioxidant, anti-inflammatory, and anti-apoptotic effects.
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Affiliation(s)
- Marwa M M Refaie
- Department of Pharmacology, Faculty of Medicine, Minia University, El-Minia, 61511, Egypt.
| | - Sayed Shehata
- Department of Cardiology, Faculty of Medicine, Minia University, El-Minia, 61511, Egypt
| | - Randa Ahmed Ibrahim
- Department of Histology and Cell Biology, Faculty of Medicine, Minia University, El-Minia, 61511, Egypt
| | - Asmaa M A Bayoumi
- Department of Biochemistry, Faculty of Pharmacy, Minia University, El-Minia, 61511, Egypt
- Department of Biochemistry, Kyushu University Graduate School of Medical Sciences, 3-1-1 Maidashi, Higashi-Ku, Fukuoka, 812-8582, Japan
| | - Seham A Abdel-Gaber
- Department of Pharmacology, Faculty of Medicine, Minia University, El-Minia, 61511, Egypt
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Costa Silva RCM, Correa LHT. Heme Oxygenase 1 in Vertebrates: Friend and Foe. Cell Biochem Biophys 2021; 80:97-113. [PMID: 34800278 DOI: 10.1007/s12013-021-01047-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Accepted: 11/07/2021] [Indexed: 10/19/2022]
Abstract
HO-1 is the inducible form of the enzyme heme-oxygenase. HO-1 catalyzes heme breakdown, reducing the levels of this important oxidant molecule and generating antioxidant, anti-inflammatory, and anti-apoptotic byproducts. Thus, HO-1 has been described as an important stress response mechanism during both physiologic and pathological processes. Interestingly, some findings are demonstrating that uncontrolled levels of HO-1 byproducts can be associated with cell death and tissue destruction as well. Furthermore, HO-1 can be located in the nucleus, influencing gene transcription, cellular proliferation, and DNA repair. Here, we will discuss several studies that approach HO-1 effects as a protective or detrimental mechanism in different pathological conditions. In this sense, as the major organs of vertebrates will deal specifically with distinct types of stresses, we discuss the HO-1 role in each of them, exposing the contradictions associated with HO-1 expression after different insults and circumstances.
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Affiliation(s)
- Rafael Cardoso Maciel Costa Silva
- Laboratory of Immunoreceptors and Signaling, Instituto de Biofísica Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil.
| | - Leonardo Holanda Travassos Correa
- Laboratory of Immunoreceptors and Signaling, Instituto de Biofísica Carlos Chagas Filho, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
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De Geest B, Mishra M. Role of Oxidative Stress in Heart Failure: Insights from Gene Transfer Studies. Biomedicines 2021; 9:biomedicines9111645. [PMID: 34829874 PMCID: PMC8615706 DOI: 10.3390/biomedicines9111645] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 11/06/2021] [Accepted: 11/07/2021] [Indexed: 12/14/2022] Open
Abstract
Under physiological circumstances, there is an exquisite balance between reactive oxygen species (ROS) production and ROS degradation, resulting in low steady-state ROS levels. ROS participate in normal cellular function and in cellular homeostasis. Oxidative stress is the state of a transient or a persistent increase of steady-state ROS levels leading to disturbed signaling pathways and oxidative modification of cellular constituents. It is a key pathophysiological player in pathological hypertrophy, pathological remodeling, and the development and progression of heart failure. The heart is the metabolically most active organ and is characterized by the highest content of mitochondria of any tissue. Mitochondria are the main source of ROS in the myocardium. The causal role of oxidative stress in heart failure is highlighted by gene transfer studies of three primary antioxidant enzymes, thioredoxin, and heme oxygenase-1, and is further supported by gene therapy studies directed at correcting oxidative stress linked to metabolic risk factors. Moreover, gene transfer studies have demonstrated that redox-sensitive microRNAs constitute potential therapeutic targets for the treatment of heart failure. In conclusion, gene therapy studies have provided strong corroborative evidence for a key role of oxidative stress in pathological remodeling and in the development of heart failure.
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Affiliation(s)
- Bart De Geest
- Centre for Molecular and Vascular Biology, Catholic University of Leuven, 3000 Leuven, Belgium
- Correspondence: ; Tel.: +32-16-372-059
| | - Mudit Mishra
- Department of Cardiothoracic Surgery, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands;
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Kumar A, Boovarahan SR, Prem PN, Ramanathan M, Chellappan DR, Kurian GA. Evaluating the effects of carbon monoxide releasing molecule-2 against myocardial ischemia-reperfusion injury in ovariectomized female rats. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2021; 394:2103-2115. [PMID: 34338837 DOI: 10.1007/s00210-021-02129-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Accepted: 07/15/2021] [Indexed: 11/30/2022]
Abstract
PURPOSE Cardioprotective effect of carbon monoxide, a gasotransmitter against myocardial ischemia-reperfusion injury (I/R), is well established in preclinical studies with male rats. However, its ischemic tolerance in post-menopausal animals has not been examined due to functional perturbations at the cellular level. METHODS The protective role of carbon monoxide releasing molecule-2 (CORM-2) on myocardial I/R was studied in female Wistar rats using the Langendorff apparatus. The animals were randomly divided into normal and ovariectomized (Ovx) female rats and were maintained 2 months post-surgery. Each group was further divided into 4 subgroups (n = 6/subgroup): normal, I/R, CORM-2-control (20 μmol/L), and CORM-2-I/R. The cardiac injury was estimated via myocardial infarct size, lactate dehydrogenase, and creatine kinase levels in coronary effluent and cardiac hemodynamic indices. Mitochondrial functional activity was assessed by measuring mitochondrial electron transport chain enzyme activities, swelling behavior, mitochondrial membrane potential, and oxidative stress. RESULTS Hemodynamic indices were significantly lower in ovariectomized rat hearts than in normal rat hearts. Sixty minutes of reperfusion of ischemic heart exhibited deteriorated cardiac physiological recovery in both ovariectomized and normal groups, where prominent decline was observed in ovariectomized rat. However, preconditioning the isolated heart with CORM-2 improved hemodynamics parameters significantly in both ovariectomized and normal rat hearts challenged with I/R, but with a limited degree of protection in ovariectomized rat hearts. The protective effect of CORM-2 was further confirmed via a reduction in cardiac injury, preservation of mitochondrial enzymes, and reduction in oxidative stress in all groups. CONCLUSION CORM-2 administration significantly attenuated myocardial I/R injury in ovariectomized rat hearts by attenuating I/R-associated mitochondrial perturbations and reducing oxidative stress.
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Affiliation(s)
- Arthi Kumar
- School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India
| | - Sri Rahavi Boovarahan
- Vascular Biology Laboratory, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India
| | - Priyanka N Prem
- Vascular Biology Laboratory, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India
| | - Meenakshi Ramanathan
- School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India
| | - David Raj Chellappan
- School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India
| | - Gino A Kurian
- Vascular Biology Laboratory, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India.
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The Pivotal Role of Oxidative Stress in the Pathophysiology of Cardiovascular-Renal Remodeling in Kidney Disease. Antioxidants (Basel) 2021; 10:antiox10071041. [PMID: 34209494 PMCID: PMC8300817 DOI: 10.3390/antiox10071041] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2021] [Revised: 06/25/2021] [Accepted: 06/28/2021] [Indexed: 12/31/2022] Open
Abstract
The excessive activation of the renin-angiotensin system in kidney disease leads to alteration of intracellular pathways which concur altogether to the induction of cardiovascular and renal remodeling, exposing these patients since the very beginning of the renal injury to chronic kidney disease and progression to end stage renal disease, a very harmful and life threatening clinical condition. Oxidative stress plays a pivotal role in the pathophysiology of renal injury and cardiovascular-renal remodeling, the long-term consequence of its effect. This review will examine the role of oxidative stress in the most significant pathways involved in cardiovascular and renal remodeling with a focus on the detrimental effects of oxidative stress-mediated renal abnormalities on the progression of the disease and of its complications. Food for thoughts on possible therapeutic target are proposed on the basis of experimental evidences.
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Detsika MG, Lianos EA. Regulation of Complement Activation by Heme Oxygenase-1 (HO-1) in Kidney Injury. Antioxidants (Basel) 2021; 10:antiox10010060. [PMID: 33418934 PMCID: PMC7825075 DOI: 10.3390/antiox10010060] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2020] [Revised: 12/31/2020] [Accepted: 01/01/2021] [Indexed: 12/20/2022] Open
Abstract
Heme oxygenase is a cytoprotective enzyme with strong antioxidant and anti-apoptotic properties. Its cytoprotective role is mainly attributed to its enzymatic activity, which involves the degradation of heme to biliverdin with simultaneous release of carbon monoxide (CO). Recent studies uncovered a new cytoprotective role for heme oxygenase-1 (HO-1) by identifying a regulatory role on the complement control protein decay-accelerating factor. This is a key complement regulatory protein preventing dysregulation or overactivation of complement cascades that can cause kidney injury. Cell-specific targeting of HO-1 induction may, therefore, be a novel approach to attenuate complement-dependent forms of kidney disease.
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Affiliation(s)
- Maria G. Detsika
- First Department of Critical Care Medicine & Pulmonary Services, GP Livanos and M. Simou Laboratories, National & Kapodistrian University of Athens, Medical School, Evangelismos Hospital, 10675 Athens, Greece
- Correspondence: ; Tel.: +30-210-723552; Fax: +30-210-7239127
| | - Elias A. Lianos
- Thorax Foundation, Research Center of Intensive Care and Emergency Thoracic Medicine, 10675 Athens, Greece;
- Veterans Affairs Medical Center and Virginia Tech, Carilion School of Medicine, 1970 Roanoke Blvd, Salem, VA 24153, USA
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Pečan P, Hambalkó S, Ha VT, Nagy CT, Pelyhe C, Lainšček D, Kenyeres B, Brenner GB, Görbe A, Kittel Á, Barteková M, Ferdinandy P, Manček-Keber M, Giricz Z. Calcium Ionophore-Induced Extracellular Vesicles Mediate Cytoprotection against Simulated Ischemia/Reperfusion Injury in Cardiomyocyte-Derived Cell Lines by Inducing Heme Oxygenase 1. Int J Mol Sci 2020; 21:ijms21207687. [PMID: 33081396 PMCID: PMC7589052 DOI: 10.3390/ijms21207687] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 10/06/2020] [Accepted: 10/14/2020] [Indexed: 12/25/2022] Open
Abstract
Cardioprotection against ischemia/reperfusion injury is still an unmet clinical need. The transient activation of Toll-like receptors (TLRs) has been implicated in cardioprotection, which may be achieved by treatment with blood-derived extracellular vesicles (EVs). However, since the isolation of EVs from blood takes considerable effort, the aim of our study was to establish a cellular model from which cardioprotective EVs can be isolated in a well-reproducible manner. EV release was induced in HEK293 cells with calcium ionophore A23187. EVs were characterized and cytoprotection was assessed in H9c2 and AC16 cell lines. Cardioprotection afforded by EVs and its mechanism were investigated after 16 h simulated ischemia and 2 h reperfusion. The induction of HEK293 cells by calcium ionophore resulted in the release of heterogenous populations of EVs. In H9c2 and AC16 cells, stressEVs induced the downstream signaling of TLR4 and heme oxygenase 1 (HO-1) expression in H9c2 cells. StressEVs decreased necrosis due to simulated ischemia/reperfusion injury in H9c2 and AC16 cells, which was independent of TLR4 induction, but not that of HO-1. Calcium ionophore-induced EVs exert cytoprotection by inducing HO-1 in a TLR4-independent manner.
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Affiliation(s)
- Peter Pečan
- National Institute of Chemistry, SI-1000 Ljubljana, Slovenia; (P.P.); (V.T.H.); (D.L.)
- Graduate School of Biomedicine, Faculty of Medicine, University of Ljubljana, SI-1000 Ljubljana, Slovenia
| | - Szabolcs Hambalkó
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, 1085 Budapest, Hungary; (S.H.); (C.T.N.); (C.P.); (B.K.); (G.B.B.); (A.G.); (P.F.)
| | - Van Thai Ha
- National Institute of Chemistry, SI-1000 Ljubljana, Slovenia; (P.P.); (V.T.H.); (D.L.)
- Graduate School of Biomedicine, Faculty of Medicine, University of Ljubljana, SI-1000 Ljubljana, Slovenia
| | - Csilla T. Nagy
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, 1085 Budapest, Hungary; (S.H.); (C.T.N.); (C.P.); (B.K.); (G.B.B.); (A.G.); (P.F.)
| | - Csilla Pelyhe
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, 1085 Budapest, Hungary; (S.H.); (C.T.N.); (C.P.); (B.K.); (G.B.B.); (A.G.); (P.F.)
| | - Duško Lainšček
- National Institute of Chemistry, SI-1000 Ljubljana, Slovenia; (P.P.); (V.T.H.); (D.L.)
- Centre of Excelence EN-FIST, SI-1000 Ljubljana, Slovenia
| | - Bence Kenyeres
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, 1085 Budapest, Hungary; (S.H.); (C.T.N.); (C.P.); (B.K.); (G.B.B.); (A.G.); (P.F.)
| | - Gábor B. Brenner
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, 1085 Budapest, Hungary; (S.H.); (C.T.N.); (C.P.); (B.K.); (G.B.B.); (A.G.); (P.F.)
| | - Anikó Görbe
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, 1085 Budapest, Hungary; (S.H.); (C.T.N.); (C.P.); (B.K.); (G.B.B.); (A.G.); (P.F.)
- Pharmahungary Group, 6722 Szeged, Hungary
| | - Ágnes Kittel
- Institute of Experimental Medicine, ELRN, 1083 Budapest, Hungary;
| | - Monika Barteková
- Centre of Experimental Medicine, Institute for Heart Research, Slovak Academy of Sciences, 84104 Bratislava, Slovakia;
- Institute of Physiology, Faculty of Medicine, Comenius University in Bratislava, 81372 Bratislava, Slovakia
| | - Péter Ferdinandy
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, 1085 Budapest, Hungary; (S.H.); (C.T.N.); (C.P.); (B.K.); (G.B.B.); (A.G.); (P.F.)
- Pharmahungary Group, 6722 Szeged, Hungary
| | - Mateja Manček-Keber
- National Institute of Chemistry, SI-1000 Ljubljana, Slovenia; (P.P.); (V.T.H.); (D.L.)
- Centre of Excelence EN-FIST, SI-1000 Ljubljana, Slovenia
- Correspondence: (M.M.-K.); (Z.G.); Tel.: +386-1-476-0393 (M.M.-K.); +36-1-210-4416 (Z.G.)
| | - Zoltán Giricz
- Department of Pharmacology and Pharmacotherapy, Semmelweis University, 1085 Budapest, Hungary; (S.H.); (C.T.N.); (C.P.); (B.K.); (G.B.B.); (A.G.); (P.F.)
- Pharmahungary Group, 6722 Szeged, Hungary
- Correspondence: (M.M.-K.); (Z.G.); Tel.: +386-1-476-0393 (M.M.-K.); +36-1-210-4416 (Z.G.)
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O'Riordan CE, Purvis GSD, Collotta D, Krieg N, Wissuwa B, Sheikh MH, Ferreira Alves G, Mohammad S, Callender LA, Coldewey SM, Collino M, Greaves DR, Thiemermann C. X-Linked Immunodeficient Mice With No Functional Bruton's Tyrosine Kinase Are Protected From Sepsis-Induced Multiple Organ Failure. Front Immunol 2020; 11:581758. [PMID: 33162995 PMCID: PMC7580254 DOI: 10.3389/fimmu.2020.581758] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2020] [Accepted: 08/26/2020] [Indexed: 12/12/2022] Open
Abstract
We previously reported the Bruton's tyrosine kinase (BTK) inhibitors ibrutinib and acalabrutinib improve outcomes in a mouse model of polymicrobial sepsis. Now we show that genetic deficiency of the BTK gene alone in Xid mice confers protection against cardiac, renal, and liver injury in polymicrobial sepsis and reduces hyperimmune stimulation (“cytokine storm”) induced by an overwhelming bacterial infection. Protection is due in part to enhanced bacterial phagocytosis in vivo, changes in lipid metabolism and decreased activation of NF-κB and the NLRP3 inflammasome. The inactivation of BTK leads to reduced innate immune cell recruitment and a phenotypic switch from M1 to M2 macrophages, aiding in the resolution of sepsis. We have also found that BTK expression in humans is increased in the blood of septic non-survivors, while lower expression is associated with survival from sepsis. Importantly no further reduction in organ damage, cytokine production, or changes in plasma metabolites is seen in Xid mice treated with the BTK inhibitor ibrutinib, demonstrating that the protective effects of BTK inhibitors in polymicrobial sepsis are mediated solely by inhibition of BTK and not by off-target effects of this class of drugs.
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Affiliation(s)
- Caroline E O'Riordan
- William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
| | - Gareth S D Purvis
- Sir William Dunn School of Pathology, University of Oxford, Oxford, United Kingdom
| | - Debora Collotta
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | - Nadine Krieg
- Department of Anesthesiology and Intensive Care Medicine, Jena University Hospital, Jena, Germany.,Septomics Research Center, Jena University Hospital, Jena, Germany
| | - Bianka Wissuwa
- Department of Anesthesiology and Intensive Care Medicine, Jena University Hospital, Jena, Germany.,Septomics Research Center, Jena University Hospital, Jena, Germany
| | - Madeeha H Sheikh
- William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
| | | | - Shireen Mohammad
- William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
| | - Lauren A Callender
- William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
| | - Sina M Coldewey
- Department of Anesthesiology and Intensive Care Medicine, Jena University Hospital, Jena, Germany.,Septomics Research Center, Jena University Hospital, Jena, Germany
| | - Massimo Collino
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | - David R Greaves
- Sir William Dunn School of Pathology, University of Oxford, Oxford, United Kingdom
| | - Christoph Thiemermann
- William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
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13
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Chen J, Purvis GSD, Collotta D, Al Zoubi S, Sugimoto MA, Cacace A, Martin L, Colas RA, Collino M, Dalli J, Thiemermann C. RvE1 Attenuates Polymicrobial Sepsis-Induced Cardiac Dysfunction and Enhances Bacterial Clearance. Front Immunol 2020; 11:2080. [PMID: 32983159 PMCID: PMC7492649 DOI: 10.3389/fimmu.2020.02080] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 07/30/2020] [Indexed: 12/22/2022] Open
Abstract
The development of cardiac dysfunction caused by microbial infection predicts high mortality in sepsis patients. Specialized pro-resolving mediators (SPMs) mediate resolution of inflammation in many inflammatory diseases, and are differentially expressed in plasma of sepsis patients. Here, we investigated whether the levels of SPMs are altered in the murine septic heart following polymicrobial sepsis-induced cardiac dysfunction. Ten weeks-old male C57BL/6 mice were subjected to polymicrobial sepsis induced by cecal ligation and puncture (CLP), which is a clinically relevant sepsis model receiving analgesics, antibiotics, and fluid resuscitation. CLP caused a significant systolic dysfunction assessed by echocardiography. The hearts were subjected to LC-MS/MS based lipid mediator profiling. Many SPMs were significantly reduced in septic hearts, among which RvE1 had a ~93-fold reduction. Treatment of CLP mice with synthetic RvE1 (1 μg/mouse i.v.) at 1 h after CLP increased peritoneal macrophages number, particularly MHC II- macrophages. RvE1 reduced pro-inflammatory gene expression (interleukin-1β, interleukin-6, and CCL2) in lipopolysaccharide-stimulated bone marrow-derived macrophages (BMDMs) in vitro. RvE1 attenuated cardiac dysfunction in septic mice and increased cardiac phosphorylated Akt; decreased cardiac phosphorylated IκB kinase α/β, nuclear translocation of the NF-κB subunit p65, extracellular signal-regulated kinase 1/2, and c-Jun amino-terminal kinases 1/2. Most notably, RvE1 treatment reduced peritoneal bacterial load and promoted phagocytosis activity of BMDMs. In conclusion, cardiac SPMs, particularly RvE1, are substantially reduced in mice with polymicrobial sepsis. Delayed therapeutic administration of RvE1 to mice with polymicrobial sepsis attenuates the cardiac dysfunction through modulating immuno-inflammatory responses. In addition to the above effects, the ability to enhance bacterial clearance makes RvE1 an ideal therapeutic to reduce the sequalae of polymicrobial sepsis.
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Affiliation(s)
- Jianmin Chen
- Barts and the London School of Medicine and Dentistry, William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
| | - Gareth S D Purvis
- Sir William Dunn School of Pathology, University of Oxford, Oxford, United Kingdom
| | - Debora Collotta
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | - Sura Al Zoubi
- Barts and the London School of Medicine and Dentistry, William Harvey Research Institute, Queen Mary University of London, London, United Kingdom.,Department of Basic Medical Sciences, School of Medicine, Al-Balqa Applied University, As-Salt, Jordan
| | - Michelle A Sugimoto
- Barts and the London School of Medicine and Dentistry, William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
| | - Antonino Cacace
- Barts and the London School of Medicine and Dentistry, William Harvey Research Institute, Queen Mary University of London, London, United Kingdom.,Diabetes Complication Research Centre, School of Medicine, UCD Conway Institute, University College Dublin, Dublin, Ireland
| | - Lukas Martin
- Barts and the London School of Medicine and Dentistry, William Harvey Research Institute, Queen Mary University of London, London, United Kingdom.,Department of Intensive Care and Intermediate Care, RWTH University Hospital Aachen, Aachen, Germany
| | - Roman A Colas
- Barts and the London School of Medicine and Dentistry, William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
| | - Massimo Collino
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | - Jesmond Dalli
- Barts and the London School of Medicine and Dentistry, William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
| | - Christoph Thiemermann
- Barts and the London School of Medicine and Dentistry, William Harvey Research Institute, Queen Mary University of London, London, United Kingdom
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14
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O'Riordan CE, Purvis GSD, Collotta D, Chiazza F, Wissuwa B, Al Zoubi S, Stiehler L, Martin L, Coldewey SM, Collino M, Thiemermann C. Bruton's Tyrosine Kinase Inhibition Attenuates the Cardiac Dysfunction Caused by Cecal Ligation and Puncture in Mice. Front Immunol 2019; 10:2129. [PMID: 31552054 PMCID: PMC6743418 DOI: 10.3389/fimmu.2019.02129] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 08/23/2019] [Indexed: 12/29/2022] Open
Abstract
Sepsis is one of the most prevalent diseases in the world. The development of cardiac dysfunction in sepsis results in an increase of mortality. It is known that Bruton's tyrosine kinase (BTK) plays a role in toll-like receptor signaling and NLRP3 inflammasome activation, two key components in the pathophysiology of sepsis and sepsis-associated cardiac dysfunction. In this study we investigated whether pharmacological inhibition of BTK (ibrutinib 30 mg/kg and acalabrutinib 3 mg/kg) attenuates sepsis associated cardiac dysfunction in mice. 10-week old male C57BL/6 mice underwent CLP or sham surgery. One hour after surgery mice received either vehicle (5% DMSO + 30% cyclodextrin i.v.), ibrutinib (30 mg/kg i.v.), or acalabrutinib (3 mg/kg i.v.). Mice also received antibiotics and an analgesic at 6 and 18 h. After 24 h, cardiac function was assessed by echocardiography in vivo. Cardiac tissue underwent western blot analysis to determine the activation of BTK, NLRP3 inflammasome and NF-κB pathway. Serum analysis of 33 cytokines was conducted by a multiplex assay. When compared to sham-operated animals, mice subjected to CLP demonstrated a significant reduction in ejection fraction (EF), fractional shortening (FS), and fractional area change (FAC). The cardiac tissue from CLP mice showed significant increases of BTK, NF-κB, and NLRP3 inflammasome activation. CLP animals resulted in a significant increase of serum cytokines and chemokines (TNF-α, IL-6, IFN-γ, KC, eotaxin-1, eotaxin-2, IL-10, IL-4, CXCL10, and CXCL11). Delayed administration of ibrutinib and acalabrutinib attenuated the decline of EF, FS, and FAC caused by CLP and also reduced the activation of BTK, NF-κB, and NLRP3 inflammasome. Both ibrutinib and acalabrutinib significantly suppressed the release of cytokines and chemokines. Our study revealed that delayed intravenous administration of ibrutinib or acalabrutinib attenuated the cardiac dysfunction associated with sepsis by inhibiting BTK, reducing NF-κB activation and the activation of the inflammasome. Cytokines associated with sepsis were significantly reduced by both BTK inhibitors. Acalabrutinib is found to be more potent than ibrutinib and could potentially prove to be a novel therapeutic in sepsis. Thus, the FDA-approved BTK inhibitors ibrutinib and acalabrutinib may be repurposed for the use in sepsis.
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Affiliation(s)
- Caroline E O'Riordan
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Gareth S D Purvis
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Debora Collotta
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | - Fausto Chiazza
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | - Bianka Wissuwa
- Department of Anesthesiology and Intensive Care Medicine, Jena University Hospital, Jena, Germany.,Septomics Research Center, Jena University Hospital, Jena, Germany
| | - Sura Al Zoubi
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | - Lara Stiehler
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom.,Department of Operative Intensive Care and Intermediate Care, RWTH University Hospital Aachen, Aachen, Germany
| | - Lukas Martin
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom.,Department of Operative Intensive Care and Intermediate Care, RWTH University Hospital Aachen, Aachen, Germany
| | - Sina M Coldewey
- Department of Anesthesiology and Intensive Care Medicine, Jena University Hospital, Jena, Germany.,Septomics Research Center, Jena University Hospital, Jena, Germany
| | - Massimo Collino
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | - Christoph Thiemermann
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
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15
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Kumar D, Jena GR, Ram M, Lingaraju MC, Singh V, Prasad R, Kumawat S, Kant V, Gupta P, Tandan SK, Kumar D. Hemin attenuated oxidative stress and inflammation to improve wound healing in diabetic rats. Naunyn Schmiedebergs Arch Pharmacol 2019; 392:1435-1445. [PMID: 31273394 DOI: 10.1007/s00210-019-01682-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2019] [Accepted: 06/21/2019] [Indexed: 12/20/2022]
Abstract
Oxidative stress and persistent inflammation play crucial role in the progression of diabetic wound complications. Hemeoxgenase-1 (HO-1) by degrading hemin has been shown to display anti-oxidant and anti-inflammatory effects. Further, hemin is a potent HO-1 inducer. Thus, the current study was aimed to evaluate the effect of topical application of hemin on diabetic wound in rats. Four hundred square millimeter open excision wound were created 2 weeks after induction of diabetes with single intraperitoneal injection of streptozotocin (60 mg/kg), and the diabetic rats were divided into three groups namely diabetic control, hemin, and tin protoporphyrin (SnPPIX). Ointment base, hemin (0.5% in ointment base), and SnPPIX (0.5% in ointment base) were applied topically to wounded area in diabetic control, hemin, and SnPPIX group rats, respectively, twice daily for 19 days. Hemin significantly increased the wound contraction in comparison to control and SnPPIX-treated rats. Time-dependent analysis revealed significant increase in anti-oxidants with concomitant decrease in oxidants in hemin-treated rats as compared to diabetic control rats. Further, mRNA expression decreased for inflammatory cytokine and increased for anti-inflammatory cytokine in hemin group as compared to diabetic control rats. Expression of HO-1 also increased in hemin group as compared to diabetic control rats. However, SnPPIX group results were in disagreement with results of hemin which is clearly reflected in histopathology. Results indicate the ability of hemin to accelerate wound healing in diabetic rats by combating inflammation and oxidative stress probably via HO-1.
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Affiliation(s)
- Dhirendra Kumar
- Division of Pharmacology and Toxicology, Indian Veterinary Research Institute, Izatnagar, 243122, India.
| | - Geeta Rani Jena
- Department of Clinical Medicine, College of Veterinary Science and Animal Husbandry, OUAT, Bhubaneswar, 751003, India
| | - Mahendra Ram
- Division of Pharmacology and Toxicology, Indian Veterinary Research Institute, Izatnagar, 243122, India
| | | | - Vishakha Singh
- Division of Pharmacology and Toxicology, Indian Veterinary Research Institute, Izatnagar, 243122, India
| | - Raju Prasad
- Division of Pharmacology and Toxicology, Indian Veterinary Research Institute, Izatnagar, 243122, India
| | - Sanjay Kumawat
- Division of Pharmacology and Toxicology, Indian Veterinary Research Institute, Izatnagar, 243122, India
| | - Vinay Kant
- Division of Pharmacology and Toxicology, Indian Veterinary Research Institute, Izatnagar, 243122, India
| | - Priyanka Gupta
- Division of Pharmacology and Toxicology, Indian Veterinary Research Institute, Izatnagar, 243122, India
| | - Surendra Kumar Tandan
- Division of Pharmacology and Toxicology, Indian Veterinary Research Institute, Izatnagar, 243122, India
| | - Dinesh Kumar
- Division of Pharmacology and Toxicology, Indian Veterinary Research Institute, Izatnagar, 243122, India
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16
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Beserra FP, Vieira AJ, Gushiken LFS, de Souza EO, Hussni MF, Hussni CA, Nóbrega RH, Martinez ERM, Jackson CJ, de Azevedo Maia GL, Rozza AL, Pellizzon CH. Lupeol, a Dietary Triterpene, Enhances Wound Healing in Streptozotocin-Induced Hyperglycemic Rats with Modulatory Effects on Inflammation, Oxidative Stress, and Angiogenesis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:3182627. [PMID: 31210838 PMCID: PMC6532325 DOI: 10.1155/2019/3182627] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 03/29/2019] [Accepted: 04/08/2019] [Indexed: 12/21/2022]
Abstract
Impaired wound healing is a debilitating complication of diabetes that leads to significant morbidity, particularly foot ulcers. Natural products have shown to be effective in treating skin wounds. Lupeol is known to stimulate angiogenesis, fibroblast proliferation, and expressions of cytokines and growth factors involved in wound healing. The study is performed to evaluate the wound healing activity of lupeol in streptozotocin-induced hyperglycemic rats by macroscopical, histological, immunohistochemical, immunoenzymatic, and molecular methods. Percentage of wound closure and contraction was increased in the lupeol-treated group when compared to the Lanette group. Histopathological observation revealed decreased inflammatory cell infiltration and increased proliferation of fibroblasts, vascularization, and deposition of collagen fibers after lupeol treatment. Immunohistochemical analyses showed decreased intensity of NF-κB and increased intensity of FGF-2, TGF-β1, and collagen III. ELISA results revealed downregulated IL-6 levels and upregulated IL-10 levels in response to lupeol. The mRNA expression levels of Hif-1α, Sod-2, and Ho-1 were significantly increased in response to lupeol as compared to Lanette whereas Nf-κb and Vegf-A levels were decreased in relation to insulin and lupeol treatment. These findings indicate that lupeol possesses wound healing potential in hyperglycemic conditions and may be useful as a treatment for chronic wounds in diabetic patients.
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Affiliation(s)
- Fernando Pereira Beserra
- Department of Morphology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Ana Júlia Vieira
- Department of Morphology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | | | - Eduardo Oliveira de Souza
- Department of Morphology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Maria Fernanda Hussni
- Department of Morphology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Carlos Alberto Hussni
- Department of Surgery and Veterinary Anesthesiology, School of Veterinary Medicine and Animal Science, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Rafael Henrique Nóbrega
- Department of Morphology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | | | - Christopher John Jackson
- Kolling Institute of Medical Research, The University of Sydney at Royal North Shore Hospital, Sydney, Australia
| | | | - Ariane Leite Rozza
- Department of Morphology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
| | - Cláudia Helena Pellizzon
- Department of Morphology, Institute of Biosciences, São Paulo State University (UNESP), Botucatu, São Paulo, Brazil
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17
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Shan H, Li T, Zhang L, Yang R, Li Y, Zhang M, Dong Y, Zhou Y, Xu C, Yang B, Liang H, Gao X, Shan H. Heme oxygenase-1 prevents heart against myocardial infarction by attenuating ischemic injury-induced cardiomyocytes senescence. EBioMedicine 2018; 39:59-68. [PMID: 30527623 PMCID: PMC6355645 DOI: 10.1016/j.ebiom.2018.11.056] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Revised: 11/26/2018] [Accepted: 11/27/2018] [Indexed: 01/10/2023] Open
Abstract
Background Cellular senescence is a stable cell-cycle arrest induced by telomere shortening and various types of cellular stress including oxidative stress, oncogene activation, DNA damage etc. Heme oxygenase-1 (HO-1) is an inducible stress-response protein that plays antioxidant and anti-apoptotic effects. However, the role and underlying mechanisms of HO-1 in cellular senescence in heart are largely unknown. Methods Echocardiography was employed to detect the effect of HO-1 on heart function in adult mice with myocardial infarction (MI) and aged mice. The senescence markers, p53, p16 and LaminB, were analyzed by western blot. The immunofluorescence and immunohistochemical staining were applied to analyze the expression level of p16. SA-β-Gal staining showed the level of cardiomyocyte senescence. Findings We found that hemin significantly induced the expression of HO-1, which notably suppressed cardiomyocyte senescence containing the secretion of senescence-associated secretory phenotype. Further studies showed that systemic HO-1 transgenic overexpression improved heart function by inhibiting aging-induced extracellular matrix deposition and fibrogenesis. More importantly, treatment of hemin improved heart function in MI mice. Furthermore, forced expression of HO-1 blunted cardiomyocyte senescence in natural aged mice and in primary cultured neonatal mouse cardiomyocytes. Interpretation Our study revealed that HO-1 improved heart function and attenuated cardiomyocyte senescence triggered by ischemic injury and aging. In addition, HO-1 induction alleviated H2O2-induced cardiomyocyte senescence. Finally, our study suggested a novel mechanism of HO-1 to play cardioprotective effect. Fund This study was supported by the National Natural Science Foundation of China (81770284 to Hongli Shan); and the National Natural Science Foundation of China (81673425, 81872863 to Yuhong Zhou). The National Natural Science Foundation of China (81473213 to Chaoqian Xu). National Key R&D Program of China (2017YFC1307403 to Baofeng Yang), National Natural Science Foundation of China (81730012 to Baofeng Yang).
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Affiliation(s)
- Huitong Shan
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, PR China; Northern Translational Medicine Research and Cooperation Center, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, Heilongjiang 150081, PR China
| | - Tianyu Li
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, PR China; Northern Translational Medicine Research and Cooperation Center, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, Heilongjiang 150081, PR China
| | - Lijia Zhang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, PR China
| | - Rui Yang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, PR China
| | - Yue Li
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, PR China; Northern Translational Medicine Research and Cooperation Center, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, Heilongjiang 150081, PR China
| | - Mingyu Zhang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, PR China
| | - Yuechao Dong
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, PR China; Northern Translational Medicine Research and Cooperation Center, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, Heilongjiang 150081, PR China
| | - Yuhong Zhou
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, PR China
| | - Chaoqian Xu
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, PR China; Department of Pharmacology, Mudanjiang Medical University, Mudanjiang 157011, People's Republic of China
| | - Baofeng Yang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, PR China
| | - Haihai Liang
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, PR China; Northern Translational Medicine Research and Cooperation Center, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, Heilongjiang 150081, PR China.
| | - Xu Gao
- Northern Translational Medicine Research and Cooperation Center, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, Heilongjiang 150081, PR China; Department of Biochemistry and Molecular Biology, Harbin Medical University, Harbin, Heilongjiang 150081, PR China; Key Laboratory of Cardiovascular Medicine Research of Harbin Medical University, Ministry of Education, Harbin, PR China.
| | - Hongli Shan
- Department of Pharmacology (State-Province Key Laboratories of Biomedicine-Pharmaceutics of China, Key Laboratory of Cardiovascular Research, Ministry of Education), College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang 150081, PR China; Northern Translational Medicine Research and Cooperation Center, Heilongjiang Academy of Medical Sciences, Harbin Medical University, Harbin, Heilongjiang 150081, PR China.
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18
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Bin-Jaliah I, Hussein AM, Sakr HF, Eid EA. Effects of low dose of aliskiren on isoproterenol-induced acute myocardial infarction in rats. Physiol Int 2018; 105:127-144. [PMID: 29975120 DOI: 10.1556/2060.105.2018.2.11] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
This study examined the effects of aliskiren (Ali) (direct renin inhibitor) on serum cardiac enzymes (LDH and CK-MB), electrocardiography (ECG) changes, myocardial oxidative stress markers (MDA, CAT, and GSH) and the expression of Bcl2, HO-1, and Nrf2 genes in isoproterenol (ISO)-induced myocardial infarction (MI). A total of 40 male albino rats were allocated into four groups, (1) normal control (NC) group, (2) Ali group (rats received Ali at 10 mg/kg/day p.o. for 5 days), (3) ISO group (rats received ISO 150 mg/kg i.p. for two consecutive days at 24 h intervals), and (4) Ali + ISO group (rats received ISO + Ali at 10 mg/kg/day p.o. for 5 days from the 2nd dose of ISO). ISO group showed significant rise in serum cardiac enzymes (CK-MB and LDH), myocardial damage scores, myocardial MDA, HO-1, myocardial Nrf2 expression with significant reduction in myocardial antioxidants (CAT and GSH), and Bcl2 expression compared to the normal group (p < 0.05). ECG showed ST segment elevation, prolonged QT interval and QRS complex, and increased heart rate in ISO group. Co-administration of Ali and ISO caused significant increase in cardiac enzymes and morphology with increase in MDA, serum K, and creatinine with significant decrease in Bcl2, HO-1, and Nrf2 without significant changes in ECG parameters compared to ISO group. We concluded that low dose of Ali seems to exacerbate the myocardial injury in ISO-MI, which might be due to the enhanced oxidative stress and apoptosis.
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Affiliation(s)
- I Bin-Jaliah
- 1 Department of Physiology, College of Medicine, King Khalid University , Abha, Saudi Arabia
| | - A M Hussein
- 2 Medical Physiology Department, Faculty of Medicine, Mansoura University , Mansoura, Egypt
| | - H F Sakr
- 2 Medical Physiology Department, Faculty of Medicine, Mansoura University , Mansoura, Egypt.,3 Department of Physiology, College of Medicine and Health Sciences, Sultan Qaboos University , Muscat, Oman
| | - E A Eid
- 4 Internal Medicine Department, Delta University for Science and Technology , Gamasa, Egypt
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19
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Reduced Susceptibility to Sugar-Induced Metabolic Derangements and Impairments of Myocardial Redox Signaling in Mice Chronically Fed with D-Tagatose when Compared to Fructose. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:5042428. [PMID: 30327714 PMCID: PMC6169220 DOI: 10.1155/2018/5042428] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2018] [Accepted: 08/12/2018] [Indexed: 01/03/2023]
Abstract
Background D-tagatose is an isomer of fructose and is ~90% as sweet as sucrose with less caloric value. Nowadays, D-tagatose is used as a nutritive or low-calorie sweetener. Despite clinical findings suggesting that D-tagatose could be beneficial in subjects with type 2 diabetes, there are no experimental data comparing D-tagatose with fructose, in terms of metabolic derangements and related molecular mechanisms evoked by chronic exposure to these two monosaccharides. Materials and methods C57Bl/6j mice were fed with a control diet plus water (CD), a control diet plus 30% fructose syrup (L-Fr), a 30% fructose solid diet plus water (S-Fr), a control diet plus 30% D-tagatose syrup (L-Tg), or a 30% D-tagatose solid diet plus water (S-Tg), during 24 weeks. Results Both solid and liquid fructose feeding led to increased body weight, abnormal systemic glucose homeostasis, and an altered lipid profile. These effects were associated with vigorous increase in oxidative markers. None of these metabolic abnormalities were detected when mice were fed with both the solid and liquid D-tagatose diets, either at the systemic or at the local level. Interestingly, both fructose formulations led to significant Advanced Glycation End Products (AGEs) accumulation in mouse hearts, as well as a robust increase in both myocardial AGE receptor (RAGE) expression and NF-κB activation. In contrast, no toxicological effects were shown in hearts of mice chronically exposed to liquid or solid D-tagatose. Conclusion Our results clearly suggest that chronic overconsumption of D-tagatose in both formulations, liquid or solid, does not exert the same deleterious metabolic derangements evoked by fructose administration, due to differences in carbohydrate interference with selective proinflammatory and oxidative stress cascades.
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Ibrahim KS, El-Yazbi AF, El-Gowelli HM, El-Mas MM. Heme oxygenase byproducts variably influences myocardial and autonomic dysfunctions induced by the cyclosporine/diclofenac regimen in female rats. Biomed Pharmacother 2018; 101:889-897. [DOI: 10.1016/j.biopha.2018.03.026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 03/04/2018] [Accepted: 03/06/2018] [Indexed: 12/15/2022] Open
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Han Q, Li G, Ip MS, Zhang Y, Zhen Z, Mak JC, Zhang N. Haemin attenuates intermittent hypoxia-induced cardiac injury via inhibiting mitochondrial fission. J Cell Mol Med 2018. [PMID: 29512942 PMCID: PMC5908095 DOI: 10.1111/jcmm.13560] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Obstructive sleep apnoea (OSA) characterized by intermittent hypoxia (IH) is closely associated with cardiovascular diseases. IH confers cardiac injury via accelerating cardiomyocyte apoptosis, whereas the underlying mechanism has remained largely enigmatic. This study aimed to explore the potential mechanisms involved in the IH‐induced cardiac damage performed with the IH‐exposed cell and animal models and to investigate the protective effects of haemin, a potent haeme oxygenase‐1 (HO‐1) activator, on the cardiac injury induced by IH. Neonatal rat cardiomyocyte (NRC) was treated with or without haemin before IH exposure. Eighteen male Sprague‐Dawley (SD) rats were randomized into three groups: control group, IH group (PBS, ip) and IH + haemin group (haemin, 4 mg/kg, ip). The cardiac function was determined by echocardiography. Mitochondrial fission was evaluated by Mitotracker staining. The mitochondrial dynamics‐related proteins (mitochondrial fusion protein, Mfn2; mitochondrial fission protein, Drp1) were determined by Western blot. The apoptosis of cardiomyocytes and heart sections was examined by TUNEL. IH regulated mitochondrial dynamics‐related proteins (decreased Mfn2 and increased Drp1 expressions, respectively), thereby leading to mitochondrial fragmentation and cell apoptosis in cardiomyocytes in vitro and in vivo, while haemin‐induced HO‐1 up‐regulation attenuated IH‐induced mitochondrial fragmentation and cell apoptosis. Moreover, IH resulted in left ventricular hypertrophy and impaired contractile function in vivo, while haemin ameliorated IH‐induced cardiac dysfunction. This study demonstrates that pharmacological activation of HO‐1 pathway protects against IH‐induced cardiac dysfunction and myocardial fibrosis through the inhibition of mitochondrial fission and cell apoptosis.
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Affiliation(s)
- Qian Han
- State Key Laboratory, Guangzhou Institute of Respiratory Health, Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Guihua Li
- State Key Laboratory, Guangzhou Institute of Respiratory Health, Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Mary SiuMan Ip
- Li Kashing Faculty of Medicine, Department of Medicine, The University of Hong Kong, Hong Kong, China
| | - Yuelin Zhang
- Li Kashing Faculty of Medicine, Department of Medicine, The University of Hong Kong, Hong Kong, China
| | - Zhe Zhen
- Li Kashing Faculty of Medicine, Department of Medicine, The University of Hong Kong, Hong Kong, China
| | - Judith ChoiWo Mak
- Li Kashing Faculty of Medicine, Department of Medicine, The University of Hong Kong, Hong Kong, China
| | - Nuofu Zhang
- State Key Laboratory, Guangzhou Institute of Respiratory Health, Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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22
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Combined effect of substance P and curcumin on cutaneous wound healing in diabetic rats. J Surg Res 2017; 212:130-145. [DOI: 10.1016/j.jss.2017.01.011] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2016] [Revised: 01/14/2017] [Accepted: 01/18/2017] [Indexed: 12/19/2022]
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23
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Aziz NM, Kamel MY, Rifaai RA. Eff ects of hemin, a heme oxygenase-1 inducer in L-arginine-induced acute pancreatitis and associated lung injury in adult male albino rats. Endocr Regul 2017; 51:20-30. [DOI: 10.1515/enr-2017-0003] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Abstract
Objective. The aim of the current study was to assess the protective outcome of hemin, a heme oxygenase-1 (HO-1) inducer on L-arginine-induced acute pancreatitis in rats. Acute pancreatitis (AP) is considered to be a critical inflammatory disorder with a major impact on the patient health. Various theories have been recommended regarding the pathophysiology of AP and associated pulmonary complications.
Methods. Twenty-four adult male albino rats were randomly divided into four groups: control group, acute pancreatitis (AP), hemin pre-treated AP group, and hemin post-treated AP group.
Results. Administration of hemin before induction of AP significantly attenuated the L-arginine- induced pancreatitis and associated pulmonary complications characterized by the increasing serum levels of amylase, lipase, tumor necrosis factor-α, nitric oxide, and histo-architectural changes in pancreas and lungs as compared to control group. Additionally, pre-treatment with hemin significantly compensated the deficits in total antioxidant capacities and lowered the elevated malondialdehyde levels observed with AP. On the other hand, post-hemin administration did not show any protection against L-arginine-induced AP.
Conclusions. The current study indicates that the induction of HO-1 by hemin pre-treatment significantly ameliorated the L-arginine-induced pancreatitis and associated pulmonary complications may be due to its anti-inflammatory and antioxidant properties.
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Affiliation(s)
- N. M. Aziz
- Assistant Professor, Department of Physiology, Faculty of Medicine, Minia University, 61111, Minia, Egypt
| | - M. Y. Kamel
- Departments of Physiology, Pharmacology and Histology, Faculty of Medicine, Minia University, Minia, Egypt
| | - R. A. Rifaai
- Departments of Physiology, Pharmacology and Histology, Faculty of Medicine, Minia University, Minia, Egypt
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Chen J, Kieswich JE, Chiazza F, Moyes AJ, Gobbetti T, Purvis GSD, Salvatori DCF, Patel NSA, Perretti M, Hobbs AJ, Collino M, Yaqoob MM, Thiemermann C. IκB Kinase Inhibitor Attenuates Sepsis-Induced Cardiac Dysfunction in CKD. J Am Soc Nephrol 2017; 28:94-105. [PMID: 27153924 PMCID: PMC5198262 DOI: 10.1681/asn.2015060670] [Citation(s) in RCA: 42] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 03/09/2016] [Indexed: 01/01/2023] Open
Abstract
Patients with CKD requiring dialysis have a higher risk of sepsis and a 100-fold higher mortality rate than the general population with sepsis. The severity of cardiac dysfunction predicts mortality in patients with sepsis. Here, we investigated the effect of preexisting CKD on cardiac function in mice with sepsis and whether inhibition of IκB kinase (IKK) reduces the cardiac dysfunction in CKD sepsis. Male C57BL/6 mice underwent 5/6 nephrectomy, and 8 weeks later, they were subjected to LPS (2 mg/kg) or sepsis by cecal ligation and puncture (CLP). Compared with sham operation, nephrectomy resulted in significant increases in urea and creatinine levels, a small (P<0.05) reduction in ejection fraction (echocardiography), and increases in the cardiac levels of phosphorylated IκBα, Akt, and extracellular signal-regulated kinase 1/2; nuclear translocation of the NF-κB subunit p65; and inducible nitric oxide synthase (iNOS) expression. When subjected to LPS or CLP, compared with sham-operated controls, CKD mice exhibited exacerbation of cardiac dysfunction and lung inflammation, greater increases in levels of plasma cytokines (TNF-α, IL-1β, IL-6, and IL-10), and greater increases in the cardiac levels of phosphorylated IKKα/β and IκBα, nuclear translocation of p65, and iNOS expression. Treatment of CKD mice with an IKK inhibitor (IKK 16; 1 mg/kg) 1 hour after CLP or LPS administration attenuated these effects. Thus, preexisting CKD aggravates the cardiac dysfunction caused by sepsis or endotoxemia in mice; this effect may be caused by increased cardiac NF-κB activation and iNOS expression.
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Affiliation(s)
- Jianmin Chen
- Center for Translational Medicine and Therapeutics and
| | | | - Fausto Chiazza
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | - Amie J Moyes
- Center for Translational Medicine and Therapeutics and
| | - Thomas Gobbetti
- Center for Biochemical Pharmacology, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | | | - Daniela C F Salvatori
- Central Laboratory Animal Facility, Leiden University Medical Center, Leiden, The Netherlands; and
| | | | - Mauro Perretti
- Center for Biochemical Pharmacology, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, London, United Kingdom
| | | | - Massimo Collino
- Department of Drug Science and Technology, University of Turin, Turin, Italy
| | - Muhammad M Yaqoob
- Center for Translational Medicine and Therapeutics and
- Department of Renal Medicine and Transplantation, Royal London Hospital, Whitechapel, London, United Kingdom
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Modification of Caffeic Acid with Pyrrolidine Enhances Antioxidant Ability by Activating AKT/HO-1 Pathway in Heart. PLoS One 2016; 11:e0148545. [PMID: 26845693 PMCID: PMC4742076 DOI: 10.1371/journal.pone.0148545] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2015] [Accepted: 01/19/2016] [Indexed: 12/03/2022] Open
Abstract
Overproduction of free radicals during ischemia/reperfusion (I/R) injury leads to an interest in using antioxidant therapy. Activating an endogenous antioxidant signaling pathway is more important due to the fact that the free radical scavenging behavior in vitro does not always correlate with a cytoprotection effect in vivo. Caffeic acid (CA), an antioxidant, is a major phenolic constituent in nature. Pyrrolidinyl caffeamide (PLCA), a derivative of CA, was compared with CA for their antioxidant and cytoprotective effects. Our results indicate that CA and PLCA exert the same ability to scavenge DPPH in vitro. In response to myocardial I/R stress, PLCA was shown to attenuate lipid peroxydation and troponin release more than CA. These responses were accompanied with a prominent elevation in AKT and HO-1 expression and a preservation of mnSOD expression and catalase activity. PLCA also improved cell viability and alleviated the intracellular ROS level more than CA in cardiomyocytes exposed to H2O2. When inhibiting the AKT or HO-1 pathways, PLCA lost its ability to recover mnSOD expression and catalase activity to counteract with oxidative stress, suggesting AKT/HO-1 pathway activation by PLCA plays an important role. In addition, inhibition of AKT signaling further abolished HO-1 activity, while inhibition of HO-1 signaling attenuated AKT expression, indicating cross-talk between the AKT and HO-1 pathways. These protective effects may contribute to the cardiac function improvement by PLCA. These findings provide new insight into therapeutic approaches using a modified natural compound against oxidative stress from myocardial injuries.
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Gurianova V, Stroy D, Ciccocioppo R, Gasparova I, Petrovic D, Soucek M, Dosenko V, Kruzliak P. Stress response factors as hub-regulators of microRNA biogenesis: implication to the diseased heart. Cell Biochem Funct 2015; 33:509-18. [PMID: 26659949 DOI: 10.1002/cbf.3151] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2015] [Revised: 09/21/2015] [Accepted: 10/02/2015] [Indexed: 12/21/2022]
Abstract
MicroRNAs (miRNAs) are important regulators of heart function and then an intriguing therapeutic target for plenty of diseases. The problem raised is that many data in this area are contradictory, thus limiting the use of miRNA-based therapy. The goal of this review is to describe the hub-mechanisms regulating the biogenesis and function of miRNAs, which could help in clarifying some contradictions in the miRNA world. With this scope, we analyse an array of factors, including several known agents of stress response, mediators of epigenetic changes, regulators of alternative splicing, RNA editing, protein synthesis and folding and proteolytic systems. All these factors are important in cardiovascular function and most of them regulate miRNA biogenesis, but their influence on miRNAs was shown for non-cardiac cells or some specific cardiac pathologies. Finally, we consider that studying the stress response factors, which are upstream regulators of miRNA biogenesis, in the diseased heart could help in (1) explaining some contradictions concerning miRNAs in heart pathology, (2) making the role of miRNAs in pathogenesis of cardiovascular disease more clear, and therefore, (3) getting powerful targets for its molecular therapy.
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Affiliation(s)
- Veronika Gurianova
- Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
| | - Dmytro Stroy
- Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
| | - Rachele Ciccocioppo
- Clinica Medica I; Fondazione IRCCS Policlinico San Matteo, Università degli Studi di Pavia, Italy
| | - Iveta Gasparova
- Institute of Biology, Genetics and Medical Genetics, Faculty of Medicine, Comenius University and University Hospital, Bratislava, Slovak Republic
| | - Daniel Petrovic
- Institute of Histology and Embryology, Medical Faculty, University of Ljubljana, Ljubljana, Slovenia
| | - Miroslav Soucek
- Second Department of Internal Medicine, St. Anne's University Hospital and Masaryk University, Brno, Czech Republic
| | - Victor Dosenko
- Bogomoletz Institute of Physiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
| | - Peter Kruzliak
- Second Department of Internal Medicine, St. Anne's University Hospital and Masaryk University, Brno, Czech Republic.,Department of Pharmacology and Toxicology, Faculty of Pharmacy, Comenius University, Bratislava, Slovak Republic.,Laboratory of Structural Biology and Proteomics, Faculty of Pharmacy, Faculty of Pharmacy, University of Veterinary and Pharmaceutical Sciences, Brno, Czech Republic
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Alvarado G, Jeney V, Tóth A, Csősz É, Kalló G, Huynh AT, Hajnal C, Kalász J, Pásztor ET, Édes I, Gram M, Akerström B, Smith A, Eaton JW, Balla G, Papp Z, Balla J. Heme-induced contractile dysfunction in human cardiomyocytes caused by oxidant damage to thick filament proteins. Free Radic Biol Med 2015; 89:248-62. [PMID: 26409224 DOI: 10.1016/j.freeradbiomed.2015.07.158] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2015] [Revised: 07/21/2015] [Accepted: 07/23/2015] [Indexed: 10/23/2022]
Abstract
Intracellular free heme predisposes to oxidant-mediated tissue damage. We hypothesized that free heme causes alterations in myocardial contractility via disturbed structure and/or regulation of the contractile proteins. Isometric force production and its Ca(2+)-sensitivity (pCa50) were monitored in permeabilized human ventricular cardiomyocytes. Heme exposure altered cardiomyocyte morphology and evoked robust decreases in Ca(2+)-activated maximal active force (Fo) while increasing Ca(2+)-independent passive force (F passive). Heme treatments, either alone or in combination with H2O2, did not affect pCa50. The increase in F passive started at 3 µM heme exposure and could be partially reversed by the antioxidant dithiothreitol. Protein sulfhydryl (SH) groups of thick myofilament content decreased and sulfenic acid formation increased after treatment with heme. Partial restoration in the SH group content was observed in a protein running at 140 kDa after treatment with dithiothreitol, but not in other proteins, such as filamin C, myosin heavy chain, cardiac myosin binding protein C, and α-actinin. Importantly, binding of heme to hemopexin or alpha-1-microglobulin prevented its effects on cardiomyocyte contractility, suggesting an allosteric effect. In line with this, free heme directly bound to myosin light chain 1 in human cardiomyocytes. Our observations suggest that free heme modifies cardiac contractile proteins via posttranslational protein modifications and via binding to myosin light chain 1, leading to severe contractile dysfunction. This may contribute to systolic and diastolic cardiac dysfunctions in hemolytic diseases, heart failure, and myocardial ischemia-reperfusion injury.
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Affiliation(s)
- Gerardo Alvarado
- Division of Clinical Physiology, Institute of Cardiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary; Department of Nephrology, Institute of Internal Medicine, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Viktória Jeney
- Department of Nephrology, Institute of Internal Medicine, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary; MTA-DE Vascular Biology, Thrombosis and Hemostasis Research Group, Hungarian Academy of Sciences, H-4032 Debrecen, Hungary
| | - Attila Tóth
- Division of Clinical Physiology, Institute of Cardiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Éva Csősz
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Gergő Kalló
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - An T Huynh
- Division of Clinical Physiology, Institute of Cardiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Csaba Hajnal
- Division of Clinical Physiology, Institute of Cardiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Judit Kalász
- Division of Clinical Physiology, Institute of Cardiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Enikő T Pásztor
- Division of Clinical Physiology, Institute of Cardiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - István Édes
- Division of Clinical Physiology, Institute of Cardiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Magnus Gram
- Department of Clinical Sciences, Division of Infection Medicine, Lund University, Lund, Sweden
| | - Bo Akerström
- Department of Clinical Sciences, Division of Infection Medicine, Lund University, Lund, Sweden
| | - Ann Smith
- School of Biological Sciences, University of Missouri-Kansas City, MO, USA
| | - John W Eaton
- Molecular Targets Program, James Graham Brown Cancer Center, University of Louisville, Louisville, KY 40059, USA
| | - György Balla
- MTA-DE Vascular Biology, Thrombosis and Hemostasis Research Group, Hungarian Academy of Sciences, H-4032 Debrecen, Hungary; Institute of Pediatrics, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - Zoltán Papp
- Division of Clinical Physiology, Institute of Cardiology, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary
| | - József Balla
- Department of Nephrology, Institute of Internal Medicine, Faculty of Medicine, University of Debrecen, H-4032 Debrecen, Hungary; MTA-DE Vascular Biology, Thrombosis and Hemostasis Research Group, Hungarian Academy of Sciences, H-4032 Debrecen, Hungary.
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The Number of GT(n) Repeats in the Hemeoxygenase-1 Gene Promoter is Increased in Pediatric Heart Failure but is Unrelated to Renal, Antioxidant and Anti-inflammatory Markers. Pediatr Cardiol 2015; 36:1204-11. [PMID: 25822459 DOI: 10.1007/s00246-015-1146-0] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/19/2014] [Accepted: 03/10/2015] [Indexed: 12/17/2022]
Abstract
Products of hemeoxygenase (HO)-1 have anti-inflammatory and antioxidant functions. The HO-1 promoter has a variable number of GT(n) repeats: A low number (n < 23) is associated with high transcriptional activity in response to oxidative stress. We hypothesized that the frequency of GT(n) repeats in pediatric heart failure (HF) reflects plasma biomarkers of different disease processes: the soluble receptor for advance glycation end products (sRAGE, marking cellular activation), oxLDL (oxidative stress), NGAL (impaired renal function), HIF-1α (hypoxia) and hsCRP (inflammation). Sixty HF children [aged 4-14 years, 30 with HF due to idiopathic dilated cardiomyopathy (IDCM), 30 due to chronic renal failure (CRF)] were compared to 20 healthy controls (HC). Leukocyte HO-1 GT(n) repeats were determined by PCR, plasma markers by ELISA or nephelometry. The number of GT(n) repeats in the HF patients was higher than the number of repeats in the controls, with no difference between the patient groups (p < 0.001). sRAGE, oxLDL, HIF-1α, NGAL and hsCRP were higher in both HF groups compared to HC (all p < 0.01). IDCM had higher sRAGEs and HIF-1α compared to CRF patients (p < 0.01). NGAL was higher in CRF compared to IDCM (p < 0.01). None of the plasma/serum markers correlated with the number of GT(n) repeats in any group. The number of HO-1 promoter GT(n) polymorphism is increased in both IDCM and CRF children with HF, but is unrelated to plasma markers of different pathological processes. This casts doubts on the clinical value of the number of GT(n) repeats in pediatric HF.
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Lim JW, Dillon J, Miller M. Proteomic and genomic studies of non-alcoholic fatty liver disease - clues in the pathogenesis. World J Gastroenterol 2014; 20:8325-8340. [PMID: 25024592 PMCID: PMC4093687 DOI: 10.3748/wjg.v20.i26.8325] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2013] [Revised: 01/14/2014] [Accepted: 04/03/2014] [Indexed: 02/06/2023] Open
Abstract
Non-alcoholic fatty liver disease (NAFLD) is a widely prevalent hepatic disorder that covers wide spectrum of liver pathology. NAFLD is strongly associated with liver inflammation, metabolic hyperlipidaemia and insulin resistance. Frequently, NAFLD has been considered as the hepatic manifestation of metabolic syndrome. The pathophysiology of NAFLD has not been fully elucidated. Some patients can remain in the stage of simple steatosis, which generally is a benign condition; whereas others can develop liver inflammation and progress into non-alcoholic steatohepatitis, fibrosis, cirrhosis and hepatocellular carcinoma. The mechanism behind the progression is still not fully understood. Much ongoing proteomic researches have focused on discovering the unbiased circulating biochemical markers to allow early detection and treatment of NAFLD. Comprehensive genomic studies have also begun to provide new insights into the gene polymorphism to understand patient-disease variations. Therefore, NAFLD is considered a complex and mutifactorial disease phenotype resulting from environmental exposures acting on a susceptible polygenic background. This paper reviewed the current status of proteomic and genomic studies that have contributed to the understanding of NAFLD pathogenesis. For proteomics section, this review highlighted functional proteins that involved in: (1) transportation; (2) metabolic pathway; (3) acute phase reaction; (4) anti-inflammatory; (5) extracellular matrix; and (6) immune system. In the genomic studies, this review will discuss genes which involved in: (1) lipolysis; (2) adipokines; and (3) cytokines production.
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The role of Nrf2-mediated pathway in cardiac remodeling and heart failure. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2014; 2014:260429. [PMID: 25101151 PMCID: PMC4102082 DOI: 10.1155/2014/260429] [Citation(s) in RCA: 125] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/26/2014] [Revised: 04/12/2014] [Accepted: 04/30/2014] [Indexed: 12/30/2022]
Abstract
Heart failure (HF) is frequently the consequence of sustained, abnormal neurohormonal, and mechanical stress and remains a leading cause of death worldwide. The key pathophysiological process leading to HF is cardiac remodeling, a term referring to maladaptation to cardiac stress at the molecular, cellular, tissue, and organ levels. HF and many of the conditions that predispose one to HF are associated with oxidative stress. Increased generation of reactive oxygen species (ROS) in the heart can directly lead to increased necrosis and apoptosis of cardiomyocytes which subsequently induce cardiac remodeling and dysfunction. Nuclear factor-erythroid-2- (NF-E2-) related factor 2 (Nrf2) is a transcription factor that controls the basal and inducible expression of a battery of antioxidant genes and other cytoprotective phase II detoxifying enzymes that are ubiquitously expressed in the cardiovascular system. Emerging evidence has revealed that Nrf2 and its target genes are critical regulators of cardiovascular homeostasis via the suppression of oxidative stress, which is the key player in the development and progression of HF. The purpose of this review is to summarize evidence that activation of Nrf2 enhances endogenous antioxidant defenses and counteracts oxidative stress-associated cardiac remodeling and HF.
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Chen J, Chiazza F, Collino M, Patel NSA, Coldewey SM, Thiemermann C. Gender dimorphism of the cardiac dysfunction in murine sepsis: signalling mechanisms and age-dependency. PLoS One 2014; 9:e100631. [PMID: 24945834 PMCID: PMC4063956 DOI: 10.1371/journal.pone.0100631] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2014] [Accepted: 05/28/2014] [Indexed: 01/05/2023] Open
Abstract
Development of cardiac dysfunction is associated with increased morbidity and mortality in patients with sepsis. Increasing evidence shows that gender determines the degree of inflammatory response of the host and that females tolerate sepsis better than males. It is unknown whether gender affects the cardiac dysfunction in animals or patients with sepsis. To investigate this, male or female C57BL/6 mice were subjected to either lipopolysaccharide (LPS)/peptidoglycan (PepG) co-administration or cecal ligation and puncture (CLP). At 18 hours after LPS/PepG injection or 24 hours after CLP, cardiac function was evaluated by echocardiography. The septic insult caused a significant cardiac dysfunction in both genders. However, the cardiac dysfunction was significantly less pronounced in females in comparison with males subjected to LPS (3 mg/kg)/PepG (0.1 mg/kg) or CLP. Compared with males injected with LPS (3 mg/kg)/PepG (0.1 mg/kg), western blotting analysis of the myocardium from females injected with LPS/PepG revealed i) profound increases in phosphorylation of Akt and eNOS; ii) significant decreases in phosphorylation of IκBα, nuclear translocation of the NF-κB subunit p65, decreased expression of iNOS and decreased synthesis of TNF-α and IL-6 in the heart. However, the gender dimorphism of the cardiac dysfunction secondary to LPS/PepG was not observed when higher doses of LPS (9 mg/kg)/PepG (1 mg/kg) were used. In conclusion, the cardiac dysfunction caused by sepsis was less pronounced in female than in male mice. The protection of female hearts against the dysfunction associated with sepsis is (at least in part) attributable to cardiac activation of the Akt/eNOS survival pathway, decreased activation of NF-κB, and decreased expression of iNOS, TNF-α and IL-6. It should be noted that the observed gender dimorphism of the cardiac dysfunction in sepsis was not seen when a very severe stimulus (high dose of LPS/PepG co-administration) was used to cause cardiac dysfunction.
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Affiliation(s)
- Jianmin Chen
- Queen Mary University of London, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, London, United Kingdom
| | - Fausto Chiazza
- University of Turin, Department of Drug Science and Technology, Turin, Italy
| | - Massimo Collino
- University of Turin, Department of Drug Science and Technology, Turin, Italy
| | - Nimesh S. A. Patel
- Queen Mary University of London, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, London, United Kingdom
| | - Sina M. Coldewey
- Jena University Hospital, Department of Anesthesiology and Intensive Care Medicine, Jena, German
| | - Christoph Thiemermann
- Queen Mary University of London, William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, London, United Kingdom
- * E-mail:
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32
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Heme oxygenase suppresses markers of heart failure and ameliorates cardiomyopathy in L-NAME-induced hypertension. Eur J Pharmacol 2014; 734:23-34. [PMID: 24726875 DOI: 10.1016/j.ejphar.2014.03.026] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2013] [Revised: 03/11/2014] [Accepted: 03/20/2014] [Indexed: 01/08/2023]
Abstract
Heart failure and related cardiac complications remains a great health challenge. We investigated the effects of upregulating heme-oxygenase (HO) on myocardial histo-pathological lesions, proinflammatory cytokines/chemokines, oxidative mediators and important markers of heart failure such as osteopontin and osteoprotergerin in N(ω)-nitro-l-arginine methyl ester (L-NAME)-induced hypertension. Treatment with the HO-inducer, heme-arginate improved myocardial morphology in L-NAME hypertensive rats by attenuating subendocardial injury, interstitial fibrosis, mononuclear-cell infiltration and cardiomyocyte hypertrophy. These were associated with the reduction of several inflammatory/oxidative mediators including chemokines/cytokines such as macrophage inflammatory protein-1 alpha (MIP-1α), macrophage chemoattractant protein-1 (MCP-1), tumor necrosis factor alpha (TNF-α), interleukin (IL)-6, IL-1β, endothelin-1, 8-isoprostane, nitrotyrosine, and aldosterone. Similarly, heme-arginate abated the elevated levels of extracellular matrix/remodeling proteins including transforming-growth factor beta (TGF-β1) and collagen-IV in the myocardium. These were accompanied by significant reduction of proteins of heart failure such as osteopontin and osteoprotegerin. Interestingly, the cardio-protective effects of heme-arginate were associated with the potentiation of adiponectin, atrial-natriuretic peptide (ANP), HO-1, HO-activity, cyclic gnanosine monophosphate (cGMP) and the total-anti-oxidant capacity, whereas the HO-inhibitor, chromium-mesoporphyrin nullified the effects of heme-arginate, exacerbating inflammatory injury and oxidative insults. We conclude that heme-arginate therapy protects myocardial damage by potentiating the HO-adiponectin-ANP axis, which in turn suppressed the elevated levels of aldosterone, pro-inflammatory chemokines/cytokines, mononuclear-cell infiltration and oxidative stress, with concomitant reduction of extracellular matrix/remodeling proteins and heart failure proteins. These data suggest a cardio-protective role of the HO system against L-NAME-induced hypertension that could be explored in the design of novel strategies against cardiomyopathy.
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Asselin C, Ducharme A, Ntimbane T, Ruiz M, Fortier A, Guertin MC, Lavoie J, Diaz A, Levy É, Tardif JC, Des Rosiers C. Circulating levels of linoleic acid and HDL-cholesterol are major determinants of 4-hydroxynonenal protein adducts in patients with heart failure. Redox Biol 2013; 2:148-55. [PMID: 24494189 PMCID: PMC3909262 DOI: 10.1016/j.redox.2013.12.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2013] [Accepted: 12/10/2013] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVE Measurements of oxidative stress biomarkers in patients with heart failure (HF) have yielded controversial results. This study aimed at testing the hypothesis that circulating levels of the lipid peroxidation product 4-hydroxynonenal bound to thiol proteins (4HNE-P) are strongly associated with those of its potential precursors, namely n-6 polyunsaturated fatty acids (PUFA). METHODS AND RESULTS Circulating levels of 4HNE-P were evaluated by gas chromatography-mass spectrometry in 71 control subjects and 61 ambulatory symptomatic HF patients along with various other clinically- and biochemically-relevant parameters, including other oxidative stress markers, and total levels of fatty acids from all classes, which reflect both free and bound to cholesterol, phospholipids and triglycerides. All HF patients had severe systolic functional impairment despite receiving optimal evidence-based therapies. Compared to controls, HF patients displayed markedly lower circulating levels of HDL- and LDL-cholesterol, which are major PUFA carriers, as well as of PUFA of the n-6 series, specifically linoleic acid (LA; P=0.001). Circulating 4HNE-P in HF patients was similar to controls, albeit multiple regression analysis revealed that LA was the only factor that was significantly associated with circulating 4HNE-P in the entire population (R (2)=0.086; P=0.02). In HF patients only, 4HNE-P was even more strongly associated with LA (P=0.003) and HDL-cholesterol (p<0.0002). Our results demonstrate that 4HNE-P levels, expressed relative to HDL-cholesterol, increase as HDL-cholesterol plasma levels decrease in the HF group only. CONCLUSION Results from this study emphasize the importance of considering changes in lipids and lipoproteins in the interpretation of measurements of lipid peroxidation products. Further studies appear warranted to explore the possibility that HDL-cholesterol particles may be a carrier of 4HNE adducts.
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Key Words
- 4-Hydroxynnonenal
- 4HNE, 4-hydroxynonenal
- 4HNE-P, 4-hydroxynonenal bound to circulating thiol proteins
- AA, arachidonic acid
- CRP, C-reactive protein
- DHA, docosahexanaenoic acid
- EPA, eicosapentaenoic acid
- GSH, reduced glutathione
- GSSG, oxidized glutathione
- HF, heart failure
- HFC-MHI, heart failure clinic of the Montreal Heart Institute
- HOMA-IR, homeostatic model assessment of insulin resistance
- Heart failure patients
- LA, linoleic acid
- Linoleic acid
- Lipid peroxidation
- MDA, malondialdehyde
- MPO, myeloperoxidase
- NT-pro-BNP, N-terminal proB-type natriuretic peptide
- NYHA, New York Heart Association
- Oxidative stress
- PUFA, polyunsaturated fatty acids
- Polyunsaturated fatty acids
- RAS, renin-angiotensin system
- TBARS, thiobarbituric acid-reactive substances
- TNF, tumor necrosis factor
- eGFR, estimated glomerular filtration rate
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Affiliation(s)
- Caroline Asselin
- Montreal Heart Institute, Research Center, 5000 Belanger Street, Montreal, Quebec, Canada H1T 1C8
| | - Anique Ducharme
- Department of Medicine, Université de Montréal, Montreal, Quebec, Canada
- Montreal Heart Institute, Research Center, 5000 Belanger Street, Montreal, Quebec, Canada H1T 1C8
| | - Thierry Ntimbane
- Department of Nutrition, Université de Montréal, Montreal, Quebec, Canada
- Montreal Heart Institute, Research Center, 5000 Belanger Street, Montreal, Quebec, Canada H1T 1C8
| | - Matthieu Ruiz
- Department of Nutrition, Université de Montréal, Montreal, Quebec, Canada
- Montreal Heart Institute, Research Center, 5000 Belanger Street, Montreal, Quebec, Canada H1T 1C8
| | - Annik Fortier
- Montreal Heart Institute Coordinating Center, Montreal, Quebec, Canada
| | | | - Joël Lavoie
- Montreal Heart Institute, Research Center, 5000 Belanger Street, Montreal, Quebec, Canada H1T 1C8
| | - Ariel Diaz
- Department of Medicine, Université de Montréal, Montreal, Quebec, Canada
- Montreal Heart Institute, Research Center, 5000 Belanger Street, Montreal, Quebec, Canada H1T 1C8
| | - Émile Levy
- Department of Nutrition, Université de Montréal, Montreal, Quebec, Canada
- CHU Sainte-Justine, Montreal, Quebec, Canada
| | - Jean-Claude Tardif
- Department of Medicine, Université de Montréal, Montreal, Quebec, Canada
- Montreal Heart Institute, Research Center, 5000 Belanger Street, Montreal, Quebec, Canada H1T 1C8
| | - Christine Des Rosiers
- Department of Nutrition, Université de Montréal, Montreal, Quebec, Canada
- Montreal Heart Institute, Research Center, 5000 Belanger Street, Montreal, Quebec, Canada H1T 1C8
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