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Verma VK, Bhardwaj P, Prajapati V, Bhatia A, Purkait S, Arya DS. Flavonoids as therapeutics for myocardial ischemia-reperfusion injury: a comprehensive review on preclinical studies. Lab Anim Res 2024; 40:32. [PMID: 39237965 PMCID: PMC11376054 DOI: 10.1186/s42826-024-00218-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2024] [Revised: 08/07/2024] [Accepted: 08/30/2024] [Indexed: 09/07/2024] Open
Abstract
Ischemic heart disease is the most prevalent cause of death worldwide affecting both the gender of all age groups. The high mortality rate is due to damage of myocardial tissue that emanates at the time of myocardial ischemia and re-oxygenation, thus averting reperfusion injury is recognized as a potential way to reduce acute cardiac injury and subsequent mortality. Flavonoids are polyphenol derivatives of plant origin and empirical shreds of evidence substantiate their numerous activities such as antioxidant, anti-inflammatory, anti-apoptotic, and anti-thrombotic activity, leading to their role in cardio protection. Recent investigations have unveiled the capacity of flavonoids to impede pivotal regulatory enzymes, signaling molecules, and transcription factors that orchestrate the mediators participating in the inflammatory cascade. The present comprehensive review, dwells on the preclinical studies on the effectiveness of flavonoids from the year 2007 to 2023, for the prevention and therapeutics for myocardial ischemia-reperfusion injury.
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Affiliation(s)
- Vipin Kumar Verma
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Priya Bhardwaj
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Vaishali Prajapati
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Avantika Bhatia
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Sayani Purkait
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, 110029, India
| | - Dharamvir Singh Arya
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, 110029, India.
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Sharma J, Bhargava P, Mishra P, Bhatia J, Arya DS. Molecular mechanisms of flavonoids in myocardial ischemia reperfusion injury: Evidence from in-vitro and in-vivo studies. Vascul Pharmacol 2024; 155:107378. [PMID: 38729253 DOI: 10.1016/j.vph.2024.107378] [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: 02/29/2024] [Revised: 05/06/2024] [Accepted: 05/07/2024] [Indexed: 05/12/2024]
Abstract
OBJECTIVES Flavonoids are polyphenolic compounds found in a wide range of foods, including fruits, vegetables, tea plants, and other natural products. They have been mainly classified as flavanols, flavonols, flavones, isoflavones, flavanones, and flavanonols. In this comprehensive review, we will discuss preclinical pieces of evidence on the potential of flavonoids for the prevention/treatment of myocardial ischemia-reperfusion (IR) injury. KEY FINDINGS In-vitro and in-vivo studies have shown that flavonoids play an important role in preventing ischemic heart disease (IHD). They possess strong anti-oxidant, anti-inflammatory, anti-bacterial, anti-thrombotic, anti-apoptotic, and anti-carcinogenic activities. In addition, at a molecular level, flavonoids also modulate various pathways like MAPK, NFκB etc. to confer beneficial effects. SUMMARY The current review of flavonoids in myocardial ischemia-reperfusion injury furnishes updated information that could drive future research. The in-vitro and in-vivo experiments have demonstrated various favourable pharmacological properties of flavonoids. This review provides valuable information to conduct clinical studies, validating the safety aspects of flavonoids in the clinical domain.
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Affiliation(s)
- Jatin Sharma
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India.
| | - Poorva Bhargava
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi, India
| | - Prashant Mishra
- Armed Forces Medical College, Pune, Maharashtra 411040, India
| | - Jagriti Bhatia
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi 110029, India
| | - Dharamvir Singh Arya
- Department of Pharmacology, All India Institute of Medical Sciences, New Delhi 110029, India.
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Liu J, Deng L, Qu L, Li X, Wang T, Chen Y, Jiang M, Zou W. Herbal medicines provide regulation against iron overload in cardiovascular diseases: Informing future applications. JOURNAL OF ETHNOPHARMACOLOGY 2024; 326:117941. [PMID: 38387684 DOI: 10.1016/j.jep.2024.117941] [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: 03/27/2023] [Revised: 02/04/2024] [Accepted: 02/18/2024] [Indexed: 02/24/2024]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Iron is an essential micronutrient for maintaining physiological activities, especially for highly active cardiomyocytes. Inappropriate iron overload or deficiency has a significant impact on the incidence and severity of cardiovascular diseases (CVD). Iron overload exerts potentially deleterious effects on doxorubicin (DOX) cardiomyopathy, atherosclerosis, and myocardial ischemia-reperfusion injury (MI/RI) by participating in lipid peroxides production. Notably, iron overload-associated cell death has been defined as a possible mechanism for ferroptosis. At present, some traditional herbal medicines and extracts have been included in the study of regulating iron overload and the subsequent therapeutic effect on CVD. AIM OF THE STUDY To give an outline of iron metabolism and ferroptosis in cardiomyocytes and to focus on herbal medicines and extracts to prevent iron overload in CVD. MATERIALS AND METHODS Literature information was systematically collected from ScienceDirect, PubMed, Google Scholar, Web of Science, China National Knowledge Infrastructure, WanFang data, as well as classic books and clinical reports. RESULTS After understanding the mechanism of iron overload on CVD, this paper reviews the therapeutic function of various herbal medicines in eliminating iron overload in CVD. These include Chinese herbal compound prescriptions (Salvia miltiorrhiza injection, Gegen Qinlian decoction, Tongxinluo, Banxia-Houpu decoction), plant extracts, phenylpropanoids, flavonoids, terpenoids, and polyphenols. Among them, flavonoids are considered to be the most promising compounds because of their prominent iron chelation. Mechanically, these herbal medicines act on the Nrf2 signaling pathway, AMPK signaling pathway, and KAT5/GPX4 signaling pathway, thereby attenuating iron overload and lipid peroxidation in CVD. CONCLUSION Our review provides up-to-date information on herbal medicines that exert cardiovascular protective effects by modulating iron overload and ferroptosis. These herbal medicines hold promise as a template for preventing iron overload in CVD.
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Affiliation(s)
- Jia Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China
| | - Liangyan Deng
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China
| | - Liping Qu
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China
| | - Xiaofen Li
- School of Basic Medicine Sciences, Guizhou University of Traditional Chinese Medicine, Guiyang, 550025, PR China
| | - Tao Wang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China
| | - Yuanyuan Chen
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China
| | - Miao Jiang
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China.
| | - Wenjun Zou
- State Key Laboratory of Southwestern Chinese Medicine Resources, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, PR China.
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Hong SY, Qin BL. The Protective Role of Dietary Polyphenols in Urolithiasis: Insights into Antioxidant Effects and Mechanisms of Action. Nutrients 2023; 15:3753. [PMID: 37686790 PMCID: PMC10490426 DOI: 10.3390/nu15173753] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2023] [Revised: 08/15/2023] [Accepted: 08/25/2023] [Indexed: 09/10/2023] Open
Abstract
Urolithiasis is a common urological disease with increasing prevalence and high recurrence rates around the world. Numerous studies have indicated reactive oxygen species (ROS) and oxidative stress (OS) were crucial pathogenic factors in stone formation. Dietary polyphenols are a large group of natural antioxidant compounds widely distributed in plant-based foods and beverages. Their diverse health benefits have attracted growing scientific attention in recent decades. Many literatures have reported the effectiveness of dietary polyphenols against stone formation. The antiurolithiatic mechanisms of polyphenols have been explained by their antioxidant potential to scavenge free radicals and ROS, modulate the expression and the activity of endogenous antioxidant and prooxidant enzymes, regulate signaling pathways associated with OS, and maintain cell morphology and function. In this review, we first describe OS and its pathogenic effects in urolithiasis and summarize the classification and sources of dietary polyphenols. Then, we focus on the current evidence defining their antioxidant potential against stone formation and put forward challenges and future perspectives of dietary polyphenols. To conclude, dietary polyphenols offer potential applications in the treatment and prevention of urolithiasis.
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Affiliation(s)
| | - Bao-Long Qin
- Department of Urology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430030, China
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Mechanism Repositioning Based on Integrative Pharmacology: Anti-Inflammatory Effect of Safflower in Myocardial Ischemia–Reperfusion Injury. Int J Mol Sci 2023; 24:ijms24065313. [PMID: 36982389 PMCID: PMC10048972 DOI: 10.3390/ijms24065313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Revised: 02/21/2023] [Accepted: 02/28/2023] [Indexed: 03/12/2023] Open
Abstract
Safflower (Carthamus tinctorius. L) possesses anti-tumor, anti-thrombotic, anti-oxidative, immunoregulatory, and cardio-cerebral protective effects. It is used clinically for the treatment of cardio-cerebrovascular disease in China. This study aimed to investigate the effects and mechanisms of action of safflower extract on myocardial ischemia–reperfusion (MIR) injury in a left anterior descending (LAD)-ligated model based on integrative pharmacology study and ultra-performance liquid chromatography–quadrupole time-of-flight-tandem mass spectrometer (UPLC-QTOF-MS/MS). Safflower (62.5, 125, 250 mg/kg) was administered immediately before reperfusion. Triphenyl tetrazolium chloride (TTC)/Evans blue, echocardiography, terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling (TUNEL) assay, lactate dehydrogenase (LDH) ability, and superoxide dismutase (SOD) levels were determined after 24 h of reperfusion. Chemical components were obtained using UPLC-QTOF-MS/MS. Gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analyses were performed. Quantitative real-time polymerase chain reaction (qRT-PCR) and Western blotting were used to analyze mRNA and protein levels, respectively. Safflower dose-dependently reduced myocardial infarct size, improved cardiac function, decreased LDH levels, and increased SOD levels in C57/BL6 mice. A total of 11 key components and 31 hub targets were filtered based on the network analysis. Comprehensive analysis indicated that safflower alleviated inflammatory effects by downregulating the expression of NFκB1, IL-6, IL-1β, IL-18, TNFα, and MCP-1 and upregulating NFκBia, and markedly increased the expression of phosphorylated PI3K, AKT, PKC, and ERK/2, HIF1α, VEGFA, and BCL2, and decreased the level of BAX and phosphorylated p65. Safflower shows a significant cardioprotective effect by activating multiple inflammation-related signaling pathways, including the NFκB, HIF-1α, MAPK, TNF, and PI3K/AKT signaling pathways. These findings provide valuable insights into the clinical applications of safflower.
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Zulham, Subarnas A, Wilar G, Susilawati Y, Chaerunisaa AY. Safety Assessment of Schleichera oleosa Lour. Leaves Extract: Acute and Subchronic Studies. Pak J Biol Sci 2023; 26:148-158. [PMID: 37779329 DOI: 10.3923/pjbs.2023.148.158] [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] [Indexed: 10/03/2023]
Abstract
<b>Background and Objective:</b> <i>Schleichera oleosa</i> (Sapindaceae) has been reported to be useful in traditional medicine and it has some potential pharmacological activities, such as anticancer, antioxidant and antimicrobial activities. This study aimed to assess its safety to provide complete data required for the development of <i>S. oleosa</i> as herbal medicine. <b>Materials and Methods:</b> The safety assessment of the extract was carried out by testing acute and subchronic toxicity in mice (male and female) and rats (male and female), respectively. The doses used in the acute toxicity test were 1000, 2000, 3000, 4000 and 5000 mg kg<sup>1</sup> of body weight and those in the subchronic treatment were 100, 200 and 400 mg kg<sup>1</sup> of body weight. <b>Results:</b> In the acute toxicity test, the <i>S. oleosa</i> leaf extract at all doses indicated that the LD<sub>50</sub> value of the extract was higher than 5000 mg kg<sup>1</sup> b.wt., which suggested that this extract is practically non-toxic according to the toxicity criteria. Furthermore, the subchronic toxicity test found that the administration of the extract to male and female rats at a daily dose of 100 and 200 mg kg<sup>1</sup> b.wt., for 90 days did not cause any significant change in blood haematology, blood biochemistry and histopathological picture of liver, kidney, heart, lymph and lung. Despite there being a significant increase in white blood counts, long-term use of the <i>S. oleosa</i> leaf extract is relatively safe. <b>Conclusion:</b> The results provided evidence regarding the potential of <i>S. oleosa</i> leaves to be used as herbal medicine. However, further research needs to be done to verify that activity and its safety in long-term use.
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Prem PN, Sivakumar B, Boovarahan SR, Kurian GA. Recent advances in potential of Fisetin in the management of myocardial ischemia-reperfusion injury-A systematic review. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 101:154123. [PMID: 35533608 DOI: 10.1016/j.phymed.2022.154123] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 03/26/2022] [Accepted: 04/17/2022] [Indexed: 06/14/2023]
Abstract
BACKGROUND The primary therapeutic strategy in managing ischemic heart diseases is to restore the perfusion of the myocardial ischemic area by surgical methods that often result in an unavoidable injury called ischemia-reperfusion injury (IR). Fisetin is an effective flavonoid with antioxidant and anti-inflammatory properties, proven to be cardioprotective against IR injury in both in-vitro and invivo models, apart from its promising health benefits against cancer, diabetes, and neurodegenerative ailments. PURPOSE The potential of fisetin in attenuating myocardial IR is inconclusive as the effectiveness of fisetin needs more understanding in terms of its possible target sites and underlying different mechanisms. Considering the surge in recent scientific interests in fisetin as a pharmacological agent, this review not only updates the existing preclinical and clinical studies with fisetin and its underlying mechanisms but also summarizes its possible targets during IR protection. METHODS We performed a literature survey using search engines Pubmed, PMC, Science direct, Google, and research gate published across the years 2006-2021. The relevant studies were extracted from the databases with the combinations of the following keywords and summarized: myocardial ischemia-reperfusion injury, natural products, flavonoid, fisetin, PI3K, JAK-STAT, Nrf2, PKC, JNK, autophagy. RESULTS Fisetin is reported to be effective in attenuating IR injury by delaying the clotting time, preserving the mitochondrial function, reducing oxidative stress, and inhibiting GSK 3β. But it failed to protect diseased cardiomyocytes challenged to IR. As discussed in the current review, fisetin not only acts as a conventional antioxidant and anti-inflammatory agent to exert its biological effect but may also exert modulatory action on the cellular metabolism and adaptation via direct action on various signalling pathways that comprise PI3K, JAK-STAT, Nrf2, PKC, JNK, and autophagy. Moreover, the dosage of fisetin and co-morbidities like diabetes and obesity are found to be detrimental factors for cardioprotection. CONCLUSION For further evaluation and smooth clinical translation of the fisetin molecule in IR treatment, researchers should pay close attention to the potential of fisetin to possibly alter the key cardioprotective pathways and dosage, as the efficacy of fisetin is tissue and cell type-specific and varies with different doses.
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Affiliation(s)
- Priyanka N Prem
- Vascular Biology lab, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India
| | - Bhavana Sivakumar
- Vascular Biology lab, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India
| | - Sri Rahavi Boovarahan
- Vascular Biology lab, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India
| | - Gino A Kurian
- Vascular Biology lab, School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India; School of Chemical and Biotechnology, SASTRA Deemed University, Tirumalaisamudram, Thanjavur, 613401, Tamil Nadu, India.
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Antioxidant Cardioprotection against Reperfusion Injury: Potential Therapeutic Roles of Resveratrol and Quercetin. Molecules 2022; 27:molecules27082564. [PMID: 35458766 PMCID: PMC9027566 DOI: 10.3390/molecules27082564] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Revised: 04/06/2022] [Accepted: 04/12/2022] [Indexed: 12/14/2022] Open
Abstract
Ischemia-reperfusion myocardial damage is a paradoxical tissue injury occurring during percutaneous coronary intervention (PCI) in acute myocardial infarction (AMI) patients. Although this damage could account for up to 50% of the final infarct size, there has been no available pharmacological treatment until now. Oxidative stress contributes to the underlying production mechanism, exerting the most marked injury during the early onset of reperfusion. So far, antioxidants have been shown to protect the AMI patients undergoing PCI to mitigate these detrimental effects; however, no clinical trials to date have shown any significant infarct size reduction. Therefore, it is worthwhile to consider multitarget antioxidant therapies targeting multifactorial AMI. Indeed, this clinical setting involves injurious effects derived from oxygen deprivation, intracellular pH changes and increased concentration of cytosolic Ca2+ and reactive oxygen species, among others. Thus, we will review a brief overview of the pathological cascades involved in ischemia-reperfusion injury and the potential therapeutic effects based on preclinical studies involving a combination of antioxidants, with particular reference to resveratrol and quercetin, which could contribute to cardioprotection against ischemia-reperfusion injury in myocardial tissue. We will also highlight the upcoming perspectives of these antioxidants for designing future studies.
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Cao YL, Lin JH, Hammes HP, Zhang C. Flavonoids in Treatment of Chronic Kidney Disease. Molecules 2022; 27:molecules27072365. [PMID: 35408760 PMCID: PMC9000519 DOI: 10.3390/molecules27072365] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/02/2022] [Accepted: 04/04/2022] [Indexed: 02/01/2023] Open
Abstract
Chronic kidney disease (CKD) is a progressive systemic disease, which changes the function and structure of the kidneys irreversibly over months or years. The final common pathological manifestation of chronic kidney disease is renal fibrosis and is characterized by glomerulosclerosis, tubular atrophy, and interstitial fibrosis. In recent years, numerous studies have reported the therapeutic benefits of natural products against modern diseases. Substantial attention has been focused on the biological role of polyphenols, in particular flavonoids, presenting broadly in plants and diets, referring to thousands of plant compounds with a common basic structure. Evidence-based pharmacological data have shown that flavonoids play an important role in preventing and managing CKD and renal fibrosis. These compounds can prevent renal dysfunction and improve renal function by blocking or suppressing deleterious pathways such as oxidative stress and inflammation. In this review, we summarize the function and beneficial properties of common flavonoids for the treatment of CKD and the relative risk factors of CKD.
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Affiliation(s)
- Yi-Ling Cao
- Department of Nephrology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China;
| | - Ji-Hong Lin
- 5th Medical Department, Medical Faculty Mannheim, University of Heidelberg, D-68167 Mannheim, Germany; (J.-H.L.); (H.-P.H.)
| | - Hans-Peter Hammes
- 5th Medical Department, Medical Faculty Mannheim, University of Heidelberg, D-68167 Mannheim, Germany; (J.-H.L.); (H.-P.H.)
| | - Chun Zhang
- Department of Nephrology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China;
- Correspondence: ; Tel.: +86-027-85726712
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MiR-183-5p overexpression in bone mesenchymal stem cell-derived exosomes protects against myocardial ischemia/reperfusion injury by targeting FOXO1. Immunobiology 2022; 227:152204. [DOI: 10.1016/j.imbio.2022.152204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 02/20/2022] [Accepted: 03/04/2022] [Indexed: 11/19/2022]
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Kompa AR, Khong FL, Zhang Y, Nguyen C, Edgley AJ, Woodman OL, McLachlan G, Kelly DJ. NP202 treatment improves left ventricular systolic function and attenuates pathological remodelling following chronic myocardial infarction. Life Sci 2022; 289:120220. [PMID: 34902438 DOI: 10.1016/j.lfs.2021.120220] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 12/02/2021] [Accepted: 12/03/2021] [Indexed: 11/19/2022]
Abstract
AIMS Myocardial injury is a major contributor to left ventricular (LV) remodelling activating neurohormonal and inflammatory processes that create an environment of enhanced oxidative stress. This results in geometric and structural alterations leading to reduced LV systolic function. In this study we evaluated the efficacy of NP202, a synthetic flavonol, on cardiac remodelling in a chronic model of myocardial infarction (MI). MAIN METHODS A rat model of chronic MI was induced by permanent surgical ligation of the coronary artery. NP202 treatment was commenced 2 days post-MI for 6 weeks at different doses (1, 10 and 20 mg/kg/day) to determine efficacy. Cardiac function was assessed by echocardiography prior to treatment and at week 6, and pressure-volume measurements were performed prior to tissue collection. Tissues were analysed for changes in fibrotic and inflammatory markers using immunohistochemistry and gene expression analysis. KEY FINDINGS Rats treated with NP202 demonstrated improved LV systolic function and LV geometry compared to vehicle treated animals. Furthermore, measures of hypertrophy and interstitial fibrosis were attenuated in the non-infarct region of the myocardium with NP202 at the higher dose of 20 mg/kg (P < 0.05). At the tissue level, NP202 reduced monocyte chemoattractant protein-1 expression (P < 0.05) and tended to attenuate active caspase-3 expression to similar levels observed in sham animals (P = 0.075). SIGNIFICANCE Improved LV function and structural changes observed with NP202 may be mediated through inhibition of inflammatory and apoptotic processes in the MI setting. NP202 could therefore prove a useful addition to standard therapy in patients with post-MI LV dysfunction.
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Affiliation(s)
- Andrew R Kompa
- The University of Melbourne, Department of Medicine, St Vincent's Hospital, Fitzroy, VIC, Australia.
| | - Fay L Khong
- The University of Melbourne, Department of Medicine, St Vincent's Hospital, Fitzroy, VIC, Australia
| | - Yuan Zhang
- The University of Melbourne, Department of Medicine, St Vincent's Hospital, Fitzroy, VIC, Australia
| | - Cindy Nguyen
- The University of Melbourne, Department of Medicine, St Vincent's Hospital, Fitzroy, VIC, Australia
| | - Amanda J Edgley
- The University of Melbourne, Department of Medicine, St Vincent's Hospital, Fitzroy, VIC, Australia
| | - Owen L Woodman
- Monash University, Monash Institute of Pharmaceutical Sciences, Parkville, VIC, Australia
| | | | - Darren J Kelly
- The University of Melbourne, Department of Medicine, St Vincent's Hospital, Fitzroy, VIC, Australia
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Milevic A, Simic M, Tomovic M, Rankovic M, Jakovljevic V, Bradic J. Effects of methanol extract of Galium verum L. On cardiac redox state in hypertensive rats after ischemia. BRAZ J PHARM SCI 2022. [DOI: 10.1590/s2175-97902022e191062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Affiliation(s)
| | | | | | | | - Vladimir Jakovljevic
- University of Kragujevac, Serbia; Sechenov First Moscow State Medical University, Russia
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Yu B, Ren H, Piao X. Towards Adsorptive Enrichment of Flavonoids from Honey Using h-BN Monolayer. Chemphyschem 2021; 23:e202100828. [PMID: 34897920 DOI: 10.1002/cphc.202100828] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Revised: 12/08/2021] [Indexed: 11/09/2022]
Abstract
Density functional theory (DFT) was used to explore the possibility of h-BN monolayer acting as an adsorbent for the flavonoids. Four flavonoids named apigenin, kaempferol, myricetin, and quercetin as well as glucose (Glu) were selected as representatives of honey. DFT and ab initio molecular dynamics simulation results show that the four flavonoids interact with the h-BN monolayer much stronger than the Glu does in both vacuum and solutions, indicating a good adsorptive selectivity of the flavonoids over Glu. The interaction of the flavonoids and the Glu with water as well as the solvation energy of the flavonoids in water, methanol and ethanol was obtained using both the PBE-D and B3LYP-D functionals. It is shown that the h-BN monolayer can provide high selective adsorption of the flavonoids from bee honey and ethanol can be used as an elution solvent to recover the adsorbed flavonoids.
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Affiliation(s)
- Beijia Yu
- Department of Biological Engineering, School of Light Industry, Beijing laboratory of Food Quality and Safety, Beijing Technology and Business University (BTBU), Beijing, 100048, P.R. China
| | - Hong Ren
- Department of Biological Engineering, School of Light Industry, Beijing laboratory of Food Quality and Safety, Beijing Technology and Business University (BTBU), Beijing, 100048, P.R. China
| | - Xianglan Piao
- Department of Chemical Engineering, Tsinghua University, Beijing, 100084, P.R. China
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El-Haskoury R, Al-Waili N, Kamoun Z, Makni M, Al-Waili A, Lyoussi B. Antioxidant activity and protective effect of propolis against carbon tetrachloride-induced liver and kidney injury by modulation of oxidative parameters. Vet World 2021; 14:3076-3083. [PMID: 35153395 PMCID: PMC8829412 DOI: 10.14202/vetworld.2021.3076-3083] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2021] [Accepted: 10/25/2021] [Indexed: 12/13/2022] Open
Abstract
Background and Aim: Propolis has a protective effect against cellular damage caused by toxic agents such as drugs, metals, xenobiotics, and chemicals. The aim of this study was to investigate the antioxidant activity and the effect of ethanolic extract of propolis on carbon tetrachloride (CCl4)-induced oxidative stress on kidney and liver injury in rat. Materials and Methods: The study quantified phenol, flavone, and flavonol in propolis and assessed antioxidant activity using 2, 2-diphenyl-1-picrylhydrazyl, ferric reducing antioxidant power, and molybdate. The investigators used four groups of rats to study the effect of propolis on CCl4-induced toxicity. Propolis extract was given orally (500 mg/kg) for 12 days, and CCl4 (1 mL/kg) was administered intraperitoneally on day 5 of the experiment. Blood and tissue samples of the liver and kidney were collected on day 13 to measure biochemical and oxidative parameters. The parameters included malondialdehyde (MDA), protein carbonyl formation (PCO), advanced oxidation protein products (AOPP), catalase (CAT), glutathione peroxidase (GPx), reduced glutathione (GSH), and ascorbic acid (AA). Biochemical parameters included liver enzymes, blood urea (BU), creatinine, and uric acid (UA). Results: CCl4 decreased antioxidant agents, including CAT, GPx, GSH, and AA in the liver and kidney tissues. The oxidative agents’ levels, including MDA, PCO, and AOPP, increased by CCl4 compared to the control group. CCl4 increased liver enzymes, UA, BU, and creatinine in the blood samples. Propolis significantly alleviated liver and kidney function, improved antioxidant parameters, and decreased levels of oxidative agents. Conclusion: The data showed for the 1st time that Moroccan propolis has a protective effect against CCl4-induced kidney and liver toxicity by maintaining the activity of the antioxidant defense system, which was most likely due to its antioxidant activity.
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Affiliation(s)
- Redouan El-Haskoury
- Laboratory of Natural Substances, Pharmacology, Environment, Modeling, Health, and Quality of Life (SNAMOPEQ), Department of Biology, Faculty of Sciences Dhar Mehraz, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco
| | - Noori Al-Waili
- New York Medical Care for Nephrology, Richmond Hill, New York, United States
| | - Zeineb Kamoun
- Laboratory of Toxicology-Microbiology, and Environmental Health (UR11ES70), Faculty of Sciences of Sfax, Higher Institute of Biotechnology of Sfax, University of Sfax, Tunisia
| | - Mohamed Makni
- Laboratory of Toxicology-Microbiology, and Environmental Health (UR11ES70), Faculty of Sciences of Sfax, Higher Institute of Biotechnology of Sfax, University of Sfax, Tunisia
| | - Ahmed Al-Waili
- New York Medical Care for Nephrology, Richmond Hill, New York, United States
| | - Badiaa Lyoussi
- Laboratory of Natural Substances, Pharmacology, Environment, Modeling, Health, and Quality of Life (SNAMOPEQ), Department of Biology, Faculty of Sciences Dhar Mehraz, Sidi Mohamed Ben Abdellah University, Fez 30000, Morocco
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15
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Sedighi M, Ghorbanzadeh V, Abaszadeh S, Karimi A, Cheraghi M, Rafieian-Kopaei M, Moghimian M, Mohammadi A, Veiskarami S, Mokhayeri Y, Nazari A. Up-regulation of chemokine receptor type 4 expression in the ischemic reperfused heart by alcoholic extract of Cichorium intybus rescue the heart from ischemia injury in male rat. J Pharm Pharmacol 2021; 73:1351-1360. [PMID: 34076244 DOI: 10.1093/jpp/rgab076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Accepted: 05/11/2021] [Indexed: 12/14/2022]
Abstract
OBJECTIVES Cichorium intybus is used in traditional medicine for various diseases including heart disease. This study aimed at evaluating the chemokine receptor type 4 up-regulation and cardioprotective effects of hydroalcoholic extract of C. intybus in a rat model of ischemic reperfusion. METHODS Animals in four groups of eight rats each received vehicle or one of three doses of C. intybus (50, 100 or 200 mg/kg/d) for 14 days. Then they were subjected to 30 min of ischemia followed by 7 days of reperfusion. At the end of the experiment, blood specimens were prepared for serum assays. The level of myocardium chemokine receptor type 4 was also measured using RT-PCR. KEY FINDINGS Cichorium intybus (CI-50) improved infarct size, episodes of the ventricular ectopic beat, ventricular tachycardia, and duration of ventricular tachycardia, QTc shortening. It also stabilized the ST segment changes and increased heart rate during ischemia. The blood pressure decreased in CI-50 group in comparison to the control and CI-200 group. C. intybus increased serum superoxide dismutase and reduced lactate dehydrogenase activity, Cardiac Troponin I and malondialdehyde levels. C. intybus led to an increase in the expression of chemokine receptor type 4. CONCLUSIONS These findings suggest that C. intybus administration before ischemia is able to induce cardioprotective effect against ischemic reperfusion injury, probably through chemokine receptor type 4 over-expression and antioxidant activity.
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Affiliation(s)
- Mehrnoosh Sedighi
- Cardiovascular Research Center, Shahid Rahimi Hospital, Lorestan University of Medical Sciences, Khoramabad, Iran
| | - Vajihe Ghorbanzadeh
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Saber Abaszadeh
- Department of clinical biochemistry, Lorestan University of Medical Science, Khorramabad, Iran
| | - Arash Karimi
- Department of Anesthesiology, Anesthesiologist, Faculty of Medicine, Lorestan University of Medical Science, Khorramabad, Iran
| | - Mostafa Cheraghi
- Cardiovascular Research Center, Shahid Rahimi Hospital, Lorestan University of Medical Sciences, Khoramabad, Iran
| | - Mahmoud Rafieian-Kopaei
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Siences, Shahrekord, Iran
| | - Maryam Moghimian
- Department of Physiology, Gonabad University of Medical Science, Gonabad, Iran
| | - Asghar Mohammadi
- Cardiovascular Research Center, Shahid Rahimi Hospital, Lorestan University of Medical Sciences, Khoramabad, Iran
| | - Saeid Veiskarami
- Lorestan Agricultural and Natural Resources Research and Education Center, Department of animal science, Iran
| | - Yaser Mokhayeri
- Cardiovascular Research Center, Shahid Rahimi Hospital, Lorestan University of Medical Sciences, Khoramabad, Iran
| | - Afshin Nazari
- Department of Physiology, Lorestan University of Medical Science, Khorramabad, Iran
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16
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Khan J, Deb PK, Priya S, Medina KD, Devi R, Walode SG, Rudrapal M. Dietary Flavonoids: Cardioprotective Potential with Antioxidant Effects and Their Pharmacokinetic, Toxicological and Therapeutic Concerns. Molecules 2021; 26:4021. [PMID: 34209338 PMCID: PMC8272101 DOI: 10.3390/molecules26134021] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 06/22/2021] [Accepted: 06/23/2021] [Indexed: 12/12/2022] Open
Abstract
Flavonoids comprise a large group of structurally diverse polyphenolic compounds of plant origin and are abundantly found in human diet such as fruits, vegetables, grains, tea, dairy products, red wine, etc. Major classes of flavonoids include flavonols, flavones, flavanones, flavanols, anthocyanidins, isoflavones, and chalcones. Owing to their potential health benefits and medicinal significance, flavonoids are now considered as an indispensable component in a variety of medicinal, pharmaceutical, nutraceutical, and cosmetic preparations. Moreover, flavonoids play a significant role in preventing cardiovascular diseases (CVDs), which could be mainly due to their antioxidant, antiatherogenic, and antithrombotic effects. Epidemiological and in vitro/in vivo evidence of antioxidant effects supports the cardioprotective function of dietary flavonoids. Further, the inhibition of LDL oxidation and platelet aggregation following regular consumption of food containing flavonoids and moderate consumption of red wine might protect against atherosclerosis and thrombosis. One study suggests that daily intake of 100 mg of flavonoids through the diet may reduce the risk of developing morbidity and mortality due to coronary heart disease (CHD) by approximately 10%. This review summarizes dietary flavonoids with their sources and potential health implications in CVDs including various redox-active cardioprotective (molecular) mechanisms with antioxidant effects. Pharmacokinetic (oral bioavailability, drug metabolism), toxicological, and therapeutic aspects of dietary flavonoids are also addressed herein with future directions for the discovery and development of useful drug candidates/therapeutic molecules.
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Affiliation(s)
- Johra Khan
- Department of Medical Laboratory Sciences, College of Applied Medical Sciences, Majmaah University, Al Majmaah 11952, Saudi Arabia;
| | - Prashanta Kumar Deb
- Life Sciences Division, Institute of Advanced Study in Science and Technology, Guwahati 781035, Assam, India; (P.K.D.); (R.D.)
- Department of Pharmaceutical Sciences & Technology, Birla Institute of Technology, Mesra, Ranchi 835215, Jharkhand, India
| | - Somi Priya
- University Institute of Pharmaceutical Sciences, Panjab University, Chandigarh 160014, India;
| | - Karla Damián Medina
- Food Technology Unit, Centre for Research and Assistance in Technology and Design of Jalisco State A.C., Camino Arenero 1227, El Bajío del Arenal, Zapopan 45019, Jalisco, Mexico;
| | - Rajlakshmi Devi
- Life Sciences Division, Institute of Advanced Study in Science and Technology, Guwahati 781035, Assam, India; (P.K.D.); (R.D.)
| | - Sanjay G. Walode
- Rasiklal M. Dhariwal Institute of Pharmaceutical Education & Research, Chinchwad, Pune 411019, Maharashtra, India;
| | - Mithun Rudrapal
- Rasiklal M. Dhariwal Institute of Pharmaceutical Education & Research, Chinchwad, Pune 411019, Maharashtra, India;
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17
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Shanmugam K, Boovarahan SR, Prem P, Sivakumar B, Kurian GA. Fisetin Attenuates Myocardial Ischemia-Reperfusion Injury by Activating the Reperfusion Injury Salvage Kinase (RISK) Signaling Pathway. Front Pharmacol 2021; 12:566470. [PMID: 33762932 PMCID: PMC7982788 DOI: 10.3389/fphar.2021.566470] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 01/05/2021] [Indexed: 12/20/2022] Open
Abstract
Ischemia-reperfusion (I/R) injury is an unavoidable injury that occurs during revascularization procedures. In the previous study, we reported that fisetin is a natural flavonoid that attenuates I/R injury by suppressing mitochondrial oxidative stress and mitochondrial dysfunction. Though fisetin is reported as a GSK3β inhibitor, it remains unclear whether it attenuates myocardial ischemia by activating the phosphoinositide 3-kinase/protein kinase B (PI3K/Akt) pathway, thereby inhibiting the downstream GSK3β, or by directly interacting with GSK3β while rendering its cardioprotection. In this study, the research team investigates the possible mechanism of action of fisetin while rendering its cardioprotective effect against myocardial I/R injury in rats. For this investigation, the team utilized two myocardial I/R models: Ligation of the left anterior descending artery and Langendorff isolated heart perfusion system. The latter has no neurohormonal influences. The PI3K inhibitor (Wortmannin, 0.015 mg/kg), GSK3β inhibitor (SB216763, 0.7 mg/kg), and fisetin (20 mg/kg) were administered intraperitoneally before inducing myocardial I/R. The result of this study reveals that the administration of fisetin decreases the myocardial infarct size, apoptosis, lactate dehydrogenase, and creatine kinase in serum\perfusate of the rat hearts subjected to I/R. However, the inhibition of PI3K with Wortmannin significantly reduced the cardioprotective effect of fisetin both in the ex vivo and vivo models. The administration of GSK3β inhibitor after the administration of fisetin and Wortmannin, re-establishing the cardioprotection, indicates the major role of PI3K in fisetin action. Changes in myocardial oxidative stress (level) and mitochondrial functional preservation of interfibrillar and subsarcolemmal mitochondria support the above findings. Hence, the team here reports that fisetin conferred its cardioprotection against I/R injury by activating the PI3K/Akt/GSK3β signaling pathway in rat hearts.
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Affiliation(s)
- Karthi Shanmugam
- School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India
- Vascular Biology Lab, SASTRA Deemed University, Thanjavur, India
| | | | - Priyanka Prem
- Vascular Biology Lab, SASTRA Deemed University, Thanjavur, India
| | | | - Gino A Kurian
- School of Chemical and Biotechnology, SASTRA Deemed University, Thanjavur, India
- Vascular Biology Lab, SASTRA Deemed University, Thanjavur, India
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18
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Sedighi M, Cheraghi M, Faghihi M, Rahimi-Madiseh M, Kiani AA, Dehghani M, Rasoulian B, Nazari A. Hypotensive effect of Cichorium intybus extract in rats. JOURNAL OF HERBMED PHARMACOLOGY 2021. [DOI: 10.34172/jhp.2021.29] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Introduction: Oxidative stress is involved in many diseases, including hypertension, kidney failure, and heart disease. This study aimed to evaluate the effect of hydroalcoholic Cichorium intybus extract on blood pressure in rats. Antioxidant activity, phenolic and flavonoid contents of the plant extract were also evaluated. Methods: In this study, 32 male Wistar rats weighing 250-300 g were divided into four groups of eight each. Animals in the control group were administered with normal saline and in the C. intybus groups with extract at 25, 50, and 100 mg/kg for two weeks. Then, the homodynamic parameters were examined by the Power lab. The phenolic and flavonoid contents were also evaluated by a spectrophotometer and the rate of free radical scavenging activity was measured by the diphenyl-1-picyryl-hydrazyl (DPPH) free radical method. Results: The free radical scavenging activity of C. intybus extract was obtained 47.85% of DPPH, and flavonoid and phenolic contents were 8.21 and 27.19 mg/g of dry extract, respectively. Meanwhile, median (MAP), systolic (SAP) and diastolic arterial pressure (DAP) significantly decreased in the 50 mg/kg extract-treated group compared to the control and 200 mg/kg extract-treated groups. Conclusion: Ethanol extract of C. intybus plays a protective role against hypertension, which, in part, might be due to antioxidant compounds of the plant against free radicals.
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Affiliation(s)
- Mehrnoosh Sedighi
- Cardiovascular Research Center, Shahid Rahimi Hospital, Lorestan University of Medical Sciences, Khoramabad, Iran
| | - Mostafa Cheraghi
- Cardiovascular Research Center, Shahid Rahimi Hospital, Lorestan University of Medical Sciences, Khoramabad, Iran
| | - Mahdieh Faghihi
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Rahimi-Madiseh
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Ali Asghar Kiani
- Razi Herbal Medicines Research Center and School of Allied Medical Sciences, Department of Hematology and Blood Transfusion, Lorestan University of Medical Science, Khorramabad, Iran
| | - Mostafa Dehghani
- Cardiovascular Research Center, Shahid Rahimi Hospital, Lorestan University of Medical Sciences, Khoramabad, Iran
| | - Bahram Rasoulian
- Razi Herbal Medicines Research Center, Department of Physiology, Lorestan University of Medical Science, Khorramabad, Iran
| | - Afshin Nazari
- Cardiovascular Research Center, Shahid Rahimi Hospital, Lorestan University of Medical Sciences, Khoramabad, Iran
- Razi Herbal Medicines Research Center, Department of Physiology, Lorestan University of Medical Science, Khorramabad, Iran
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19
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Jia JY, Zang EH, Lv LJ, Li QY, Zhang CH, Xia Y, Zhang L, Dang LS, Li MH. Flavonoids in myocardial ischemia-reperfusion injury: Therapeutic effects and mechanisms. CHINESE HERBAL MEDICINES 2021; 13:49-63. [PMID: 36117755 PMCID: PMC9476686 DOI: 10.1016/j.chmed.2020.09.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 07/05/2020] [Accepted: 09/04/2020] [Indexed: 12/30/2022] Open
Abstract
Ischemic heart diseases are one of the major causes of death worldwide. Effective restoration of blood flow can significantly improve patients' quality of life and reduce mortality. However, reperfusion injury cannot be ignored. Flavonoids possess well-established antioxidant properties; They also have other benefits that may be relevant for ameliorating myocardial ischemia-reperfusion injury (MIRI). In this review, we focus on flavonoids with cardiovascular-protection function and emphasize their pharmacological effects. The main mechanisms of flavonoid pharmacological activities against MIRI involve the following aspects: a) antioxidant, b) anti-inflammatory, c) anti-platelet aggregation, d) anti-apoptosis, and e) myocardial-function regulation activities. We also summarized the effectiveness of flavonoids for MIRI.
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Affiliation(s)
- Jun-ying Jia
- College of Agriculture, Inner Mongolia University for Nationalities, Tongliao 028000, China
| | | | - Li-juan Lv
- Department of Basic Science, Tianjin Agricultural University, Tianjin 300384, China
| | - Qin-yu Li
- Baotou Medical College, Baotou 014040, China
| | | | - Ying Xia
- Inner Mongolia Institute of Traditional Chinese Medicine, Hohhot 010020, China
| | - Lei Zhang
- Inner Mongolia Medical University, Hohhot 010110, China
| | - Lian-sheng Dang
- Department of Geriatrics, The First Affiliated Hospital of Baotou Medical College, Baotou 014000, China
| | - Min-hui Li
- Baotou Medical College, Baotou 014040, China
- Inner Mongolia Institute of Traditional Chinese Medicine, Hohhot 010020, China
- Inner Mongolia Medical University, Hohhot 010110, China
- Inner Mongolia Key Laboratory of Characteristic Geoherbs Resources and Utilization, Baotou Medical College, Baotou 014040, China
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20
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Balion Z, Ramanauskienė K, Jekabsone A, Majienė D. The Role of Mitochondria in Brain Cell Protection from Ischaemia by Differently Prepared Propolis Extracts. Antioxidants (Basel) 2020; 9:antiox9121262. [PMID: 33322707 PMCID: PMC7763930 DOI: 10.3390/antiox9121262] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2020] [Revised: 12/06/2020] [Accepted: 12/11/2020] [Indexed: 12/12/2022] Open
Abstract
Mitochondria are both the primary targets and mediators of ischaemic damage in brain cells. Insufficient oxygen causes reactive oxygen species that damage the mitochondria, leading to the loss of functionality and viability of highly energy-demanding neurons. We have recently found that aqueous (AqEP), polyethylene glycol-aqueous (Pg-AqEP) and ethanolic propolis extracts (EEP) can modulate mitochondria and ROS production in C6 cells of astrocytic origin. The aim of this study was to investigate the effect of the extracts on viability, mitochondrial efficiency and superoxide generation, and inflammatory cytokine release in primary rat cerebellar neuronal-glial cell cultures affected by ischaemia (mimicked by hypoxia +/- deoxyglucose). AqEP and Pg-AqEP (15-60 µg/mL of phenolic compounds, or PC) significantly increased neuronal viability in ischaemia-treated cultures, and this was accompanied by a reduction in mitochondrial superoxide levels. Less extended protection against ischaemia-induced superoxide production and death was exhibited by 2 to 4 µg/mL of PC EEP. Both Pg-AqEP and Ag-EP (but not EEP) significantly protected the cultures from hypoxia-induced elevation of TNF-α, IL-1β and IL-6. Only Pg-AqEP (but not AqEP or EEP) prevented hypoxia-induced loss of the mitochondrial basal and ATP-coupled respiration rate, and significantly increased the mitochondrial respiratory capacity. Summarising, the study revealed that hydrophilic propolis extracts might protect brain cells against ischaemic injury by decreasing the level of mitochondrial superoxide and preventing inflammatory cytokines, and, in the case of Pg-AqEP, by protecting mitochondrial function.
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Affiliation(s)
- Zbigniev Balion
- Laboratory of Pharmaceutical Sciences, Institute of Pharmaceutical Technologies, Lithuanian University of Health Sciences, Sukilėlių ave. 13, LT 50162 Kaunas, Lithuania; (Z.B.); (A.J.)
- Laboratory of Biochemistry, Neuroscience Institute, Lithuanian University of Health Sciences, Eivenių str. 4, LT-50161 Kaunas, Lithuania
| | - Kristina Ramanauskienė
- Department of Clinical Pharmacy, Lithuanian University of Health Sciences, Sukilėlių ave. 13, LT 50162 Kaunas, Lithuania;
| | - Aistė Jekabsone
- Laboratory of Pharmaceutical Sciences, Institute of Pharmaceutical Technologies, Lithuanian University of Health Sciences, Sukilėlių ave. 13, LT 50162 Kaunas, Lithuania; (Z.B.); (A.J.)
- Laboratory of Preclinical Drug Investigation, Institute of Cardiology, Lithuanian University of Health Sciences, Sukilėlių ave. 13, LT-50162 Kaunas, Lithuania
| | - Daiva Majienė
- Laboratory of Biochemistry, Neuroscience Institute, Lithuanian University of Health Sciences, Eivenių str. 4, LT-50161 Kaunas, Lithuania
- Department of Drug Technology and Social Pharmacy, Lithuanian University of Health Sciences, Sukilėlių ave. 13, LT 50162 Kaunas, Lithuania
- Correspondence: ; Tel.: +370-615-23993
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21
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Bradic J, Jeremic N, Petkovic A, Jeremic J, Zivkovic V, Srejovic I, Sretenovic J, Matic S, Jakovljevic V, Tomovic M. Cardioprotective effects of Galium verum L. extract against myocardial ischemia-reperfusion injury. Arch Physiol Biochem 2020; 126:408-415. [PMID: 30632812 DOI: 10.1080/13813455.2018.1551904] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The aim of our study was to determine a chemical composition of methanol extract of Galium verum as well as to assess its effects on functional recovery and redox status of isolated rat heart after ischemia. Rats were divided into control and G. verum group, which included animals treated with 500 mg/kg of methanol extract of G. verum for 28 days. Parameters of heart function and oxidative stress markers were estimated. Cell morphology was evaluated by hematoxylin and eosin (HE) staining. Our results demonstrated for the first time that G. verum extract preserved cardiac contractility, systolic, and diastolic function as wells as structural damage of the heart after ischemia. Furthermore, G. verum extract modulated the activity of antioxidant enzymes and alleviated the production of pro-oxidants.
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Affiliation(s)
- Jovana Bradic
- Faculty of Medical Sciences, Department of Pharmacy, University of Kragujevac, Kragujevac, Serbia
| | - Nevena Jeremic
- Faculty of Medical Sciences, Department of Pharmacy, University of Kragujevac, Kragujevac, Serbia
| | - Anica Petkovic
- Faculty of Medical Sciences, Department of Pharmacy, University of Kragujevac, Kragujevac, Serbia
| | - Jovana Jeremic
- Faculty of Medical Sciences, Department of Pharmacy, University of Kragujevac, Kragujevac, Serbia
| | - Vladimir Zivkovic
- Faculty of Medical Sciences, Department of Physiology, University of Kragujevac, Kragujevac, Serbia
| | - Ivan Srejovic
- Faculty of Medical Sciences, Department of Physiology, University of Kragujevac, Kragujevac, Serbia
| | - Jasmina Sretenovic
- Faculty of Medical Sciences, Department of Physiology, University of Kragujevac, Kragujevac, Serbia
| | - Stevan Matic
- Department of Pathology, Clinical Centre of Kragujevac, Kragujevac, Serbia
| | - Vladimir Jakovljevic
- Faculty of Medical Sciences, Department of Physiology, University of Kragujevac, Kragujevac, Serbia
- Department of Human Pathology, 1st Moscow State Medical University IM Sechenov, Moscow, Russia
| | - Marina Tomovic
- Faculty of Medical Sciences, Department of Pharmacy, University of Kragujevac, Kragujevac, Serbia
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22
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Quan W, Ma S, Zhu Y, Shao Q, Hou J, Li X. Apigenin-7- O-β-d-(6″- p-coumaroyl)-glucopyranoside reduces myocardial ischaemia/reperfusion injury in an experimental model via regulating the inflammation response. PHARMACEUTICAL BIOLOGY 2020; 58:80-88. [PMID: 31887257 PMCID: PMC6968710 DOI: 10.1080/13880209.2019.1701043] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 11/18/2019] [Accepted: 11/30/2019] [Indexed: 05/25/2023]
Abstract
Context: Traditionally, Clematis tangutica Korsh. (Ranunculaceae) is used as a Tibetan herb for treating indigestion and blood stasis in China. Recently, a flavonoid glycoside, apigenin-7-O-β-d-(6″-p-coumaroyl)-glucopyranoside (APG), was isolated from the whole plant of C. tangutica.Objective: To investigate the cardioprotective effects of APG against myocardial ischaemia/reperfusion injury (MI/RI) and the possible mechanism.Materials and methods: Animals were subjected to 30 min/3 h MI/RI model. At the end of reperfusion, infarct size (IS), histopathology, serum levels CK-MB, LDH, TNF-α, IL-6 and MPO activities were detected. Phospho-IκB-α, ICAM-1 and NF-κB were assessed in vivo. Neonatal rat cardiomyocytes were pre-treated with or without APG, followed by stimulation with 8 h/2 h oxygen and glucose deprived/reoxygenation (OGD/R) model. Cell viability, LDH and cardiomyocyte apoptosis were assessed. The expression levels of phospho-IκB-α and NF-κB were measured in vitro.Results: Treatment with APG significantly reduced the following indicators in vivo (p < 0.05): (1) the IS (16.2%); (2) morphology score (1.67); (3) myocardial injury enzymes: CK-MB (26.2 ng/mL) and LDH (688 U/L); (4) pro-inflammatory cytokines: TNF-α (31.5 pg/mL) and IL-6 (163.8 pg/mL); (5) MPO activity (2.75 U/mg); (6) expression levels of phospho-IκB-α (0.47), NF-κB (2.87) and ICAM-1 (10.2). Moreover, treatment with APG also remarkably (p < 0.05) attenuated the following indicators in vitro: (1) LDH level (206 U/L); (2) cardiomyocyte apoptosis; (3) phospho-IκB-α (1.37) and NF-κB (2.50).Conclusions: APG possesses protective effects against MI/RI injury in rats and OGD/R-induced injury in cardiomyocytes by suppressing translocation of NF-κB and reducing inflammatory response; consequently, APG is helpful for treatment of ischaemic heart disease.
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Affiliation(s)
- Wei Quan
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Air Force Medical University, Xi’an, China
- Xi’an Mental Health Center, School of Medicine, Xi’an Jiaotong University, Xi’an, China
| | - Shanbo Ma
- Department of Pharmacy, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Yanrong Zhu
- Department of Pharmacy, Xijing Hospital, Air Force Medical University, Xi’an, China
| | - Qing Shao
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Air Force Medical University, Xi’an, China
- Xi’an Mental Health Center, School of Medicine, Xi’an Jiaotong University, Xi’an, China
| | - Jixing Hou
- Xi’an Mental Health Center, School of Medicine, Xi’an Jiaotong University, Xi’an, China
| | - Xiaoqiang Li
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of Pharmacy, Air Force Medical University, Xi’an, China
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23
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de Almeida GKM, Jesus ICGD, Mesquita T, Miguel-Dos-Santos R, Dos Santos PH, de Moraes ER, Lauton-Santos S. Post-ischemic reperfusion with diosmin attenuates myocardial injury through a nitric oxidase synthase-dependent mechanism. Life Sci 2020; 258:118188. [PMID: 32755623 DOI: 10.1016/j.lfs.2020.118188] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 07/14/2020] [Accepted: 07/29/2020] [Indexed: 11/29/2022]
Affiliation(s)
| | | | - Thassio Mesquita
- Cedars-Sinai Medical Center, Smidt Heart Institute, Los Angeles, United States.
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Zhang YM, Zhang ZY, Wang RX. Protective Mechanisms of Quercetin Against Myocardial Ischemia Reperfusion Injury. Front Physiol 2020; 11:956. [PMID: 32848878 PMCID: PMC7412593 DOI: 10.3389/fphys.2020.00956] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Accepted: 07/15/2020] [Indexed: 12/13/2022] Open
Abstract
Quercetin has attracted more attention in recent years due to its protective role against ischemia/reperfusion injury. Quercetin can alleviate oxidative stress injury through the inhibition of NADPH oxidase and xanthine oxidase, blockage of the Fenton reaction, and scavenging of reactive oxygen species. Quercetin can also exert anti-inflammatory and anti-apoptotic effects by reducing the response to inflammatory factors and inhibiting cell apoptosis. Moreover, it can induce vasodilation effects through the inhibition of endothelin-1 receptors, the enhancement of NO stimulation and the activation of the large-conductance calcium-activated potassium channels. Finally, Quercetin can also antagonize the calcium overload. These multifaceted activities of Quercetin make it a potential therapeutic alternative for the treatment of ischemia/reperfusion injury.
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Affiliation(s)
- Yu-Min Zhang
- Department of Cardiology, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Zhen-Ye Zhang
- Department of Cardiology, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi, China
| | - Ru-Xing Wang
- Department of Cardiology, Wuxi People's Hospital Affiliated to Nanjing Medical University, Wuxi, China
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Dehyadegari S, Oloumi MM, Azizi S. Histopathological evaluation of the role of negative electrical charge on renal ischemia/reperfusion injuries on brain and heart tissues in rat. VETERINARY RESEARCH FORUM : AN INTERNATIONAL QUARTERLY JOURNAL 2020; 11:15-20. [PMID: 32537102 PMCID: PMC7282218 DOI: 10.30466/vrf.2018.86965.2126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/13/2018] [Accepted: 12/29/2018] [Indexed: 11/08/2022]
Abstract
This study was performed to evaluate the role of electroacupuncture on kidney 1 (Ki1) acupoint to prevent the heart and brain injury following ischemia/reperfusion of both kidneys. 24 Sprague Dawley rats were randomly assigned into four equal groups. In the treatment 1 group, following anesthesia, acupuncture needles were inserted on Ki1 on the palm of both hindlimbs and connected to electroacupuncture unit for a 3.00 Hz direct current, 1 hr before surgery until the end of surgery. In treatment two groups, the electroacupuncture was also performed 48 and 24 hr before the operation, with the same protocol as treatment 1. Control 1 and control 2 groups had the same procedures like the treatment ones, except for acupuncture. Immediately after reperfusion, the samples of brains and hearts were taken and prepared for microscopic examination. Histopathological study of the heart in the control and treatment groups showed the breakage of myofibrils, hyaline necrosis, edema and disorganization of myocytes. The severity of cardiac lesions was decreased in both treatment groups in comparison with the controls. Brain in control and treatment groups showed ischemic necrosis, disorganization of the neurons in the hippocampus, and edema. The severity of lesions was reduced in the treatment groups and showed a significant difference between the control and treatment 1. It could be concluded that electroacupuncture on the Ki1 point could reduce the severity of damages induced by renal ischemia/reperfusion in the remote organs of the heart and brain.
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Affiliation(s)
- Sara Dehyadegari
- DVM Graduate, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Mohammad Mehdi Oloumi
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran
| | - Shahrzad Azizi
- Department of Pathobiology, Faculty of Veterinary Medicine, Shahid Bahonar University of Kerman, Kerman, Iran
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Żwierełło W, Maruszewska A, Skórka-Majewicz M, Goschorska M, Baranowska-Bosiacka I, Dec K, Styburski D, Nowakowska A, Gutowska I. The influence of polyphenols on metabolic disorders caused by compounds released from plastics - Review. CHEMOSPHERE 2020; 240:124901. [PMID: 31563713 DOI: 10.1016/j.chemosphere.2019.124901] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2019] [Revised: 09/06/2019] [Accepted: 09/17/2019] [Indexed: 06/10/2023]
Abstract
Persistent organic pollutants (POPs) released from plastics into water, soil and air are significant environmental and health problem. Continuous exposure of humans to these substances results not only from the slow biodegradation of plastics but also from their ubiquitous use as industrial materials and everyday products. Exposure to POPs may lead to neurodegenerative disorders, induce inflammation, hepatotoxicity, nephrotoxicity, insulin resistance, allergies, metabolic diseases, and carcinogenesis. This has spurred an increasing intense search for natural compounds with protective effects against the harmful components of plastics. In this paper, we discuss the current state of knowledge concerning the protective functions of polyphenols against the toxic effects of POPs: acrylonitrile, polychlorinated biphenyls, dioxins, phthalates and bisphenol A. We review in detail papers from the last two decades, analyzing POPs in terms of their sources of exposure and demonstrate how polyphenols may be used to counteract the harmful environmental effects of POPs. The protective effect of polyphenols results from their impact on the level and activity of the components of the antioxidant system, enzymes involved in the elimination of xenobiotics, and as a consequence - on the level of reactive oxygen species (ROS). Polyphenols present in daily diet may play a protective role against the harmful effects of POPs derived from plastics, and this interaction is related, among others, to the antioxidant properties of these compounds. To our knowledge, this is the first extensive review of in vitro and in vivo studies concerning the molecular mechanisms of interactions between selected environmental toxins and polyphenols.
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Affiliation(s)
- Wojciech Żwierełło
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 24 Broniewskiego St., 71-460, Szczecin, Poland
| | - Agnieszka Maruszewska
- Department of Biochemistry, Faculty of Biology, University of Szczecin, 3c Felczaka St., 71-412, Szczecin, Poland
| | - Marta Skórka-Majewicz
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 24 Broniewskiego St., 71-460, Szczecin, Poland
| | - Marta Goschorska
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, 72 Powst. Wlkp. St., 70-111, Szczecin, Poland
| | - Irena Baranowska-Bosiacka
- Department of Biochemistry and Medical Chemistry, Pomeranian Medical University in Szczecin, 72 Powst. Wlkp. St., 70-111, Szczecin, Poland
| | - Karolina Dec
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 24 Broniewskiego St., 71-460, Szczecin, Poland
| | - Daniel Styburski
- Department of Human Nutrition and Metabolomics, Pomeranian Medical University in Szczecin, 24 Broniewskiego St., 71-460, Szczecin, Poland
| | - Anna Nowakowska
- Centre for Human Structural and Functional Research, Faculty of Physical Education and Health Promotion, University of Szczecin, 17C Narutowicza St., 70-240, Szczecin, Poland
| | - Izabela Gutowska
- Department of Medical Chemistry, Pomeranian Medical University in Szczecin, 72 Powst. Wlkp. St., 70-111, Szczecin, Poland.
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Determination of the Antioxidant Capacity of Tragopogon Pratensis Species and Testing Their Pancreatic and Hepatic Regenerative Activity. Pharm Chem J 2020. [DOI: 10.1007/s11094-020-02106-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Yoshihisa Y, Andoh T, Rehman MU, Shimizu T. The regulation of protein kinase casein kinase II by apigenin is involved in the inhibition of ultraviolet B-induced macrophage migration inhibitory factor-mediated hyperpigmentation. Phytother Res 2019; 34:1320-1328. [PMID: 31840901 DOI: 10.1002/ptr.6597] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Revised: 11/27/2019] [Accepted: 11/30/2019] [Indexed: 11/08/2022]
Abstract
Ultraviolet (UV) radiation elicits melanogenesis and pigmentation in the skin. Apigenin (4',5,7-trihydroxyflavone [AGN]) is a plant flavone contained in various herbs, fruits, and vegetables. We herein investigated antimelanogenic properties of AGN and the molecular mechanisms of the action of AGN. In UVB-treated mice, AGN inhibited cutaneous hyperpigmentation and macrophage migration inhibitory factor (MIF) expression as a melanogenesis-related key factor. In mouse keratinocytes, AGN inhibited the expression of MIF and also the related factors (e.g., stem cell factor and proteinase-activated receptor 2) induced by MIF. In addition to ellagic acid as a casein kinase II (CK2) inhibitor, AGN suppressed CK2 enzymatic activity and UVB-induced CK2 expression and subsequent phosphorylation of IκB and MIF expression. These results suggest that AGN inhibits UVB-induced hyperpigmentation through the regulation of CK2-mediated MIF expression in keratinocytes.
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Affiliation(s)
- Yoko Yoshihisa
- Department of Dermatology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Tsugunobu Andoh
- Department of Applied Pharmacology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Mati Ur Rehman
- Department of Radiology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
| | - Tadamichi Shimizu
- Department of Dermatology, Graduate School of Medicine and Pharmaceutical Sciences, University of Toyama, Toyama, Japan
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Martina SJ, Ramar LAP, Silaban MRI, Luthfi M, Govindan PAP. Antiplatelet Effectivity between Aspirin with Honey on Cardiovascular Disease Based on Bleeding Time Taken on Mice. Open Access Maced J Med Sci 2019; 7:3416-3420. [PMID: 32002064 PMCID: PMC6980826 DOI: 10.3889/oamjms.2019.431] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 09/15/2019] [Accepted: 09/16/2019] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND: The prevalence of cardiovascular disease (CVD) and its mortality continues to increase. Various studies have shown aspirin can reduce CVD mortality but has adverse side effects. Research on a comparison between aspirin and honey has not been done, but both have antiplatelet effects. AIM: This study is aimed to prove the antiplatelet effects on honey and compare the antiplatelet effects of aspirin with honey based on the bleeding time in mice. METHODS: This study is a true experimental design with a post-test only control group using 32 male mice, Double Ditsch Webster, ± 3 months old, the weight of 20-30 g, divided into 4 groups. Consisting of a negative control group (placebo), aspirin and honey. The suspension has given orally for 12 days using the probe. The research was conducted at the Laboratory of Pharmacology Department of Pharmacology and Therapeutics Faculty of Medicine, the University of North Sumatra in September until December 2015. The data collected was bleeding time in mice. Data analysed by Shapiro Wilk test, Kruskal Wallis and Mann Whitney. RESULTS: The mean bleeding time was a placebo (102.88 seconds), aspirin (369.38 seconds) and honey (304.63 seconds). Mann Whitney test showed significant results in the aspirin and honey groups against the control group (placebo) with p = 0.001. There were no significant differences in the aspirin group against honey (p = 0.172). Honey has an antiplatelet effect in mice. The mean bleeding time in mice given honey is longer or closer to the mean bleeding time in the aspirin group. CONCLUSION: The results could be used as a basis for further research to determine its use in humans with cardiovascular disease.
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Affiliation(s)
- Sake Juli Martina
- Department of Pharmacology and Therapeutics Faculty of Medicine, Jl. Dr Mansur No. 5 Kampus USU, Medan, Indonesia.,University Sumatera Utara Hospital, Jalan Dr T. Mansur No. 66 Kampus USU, Medan, Indonesia
| | - Logaselvi A P Ramar
- Department of Pharmacology and Therapeutics Faculty of Medicine, Jl. Dr Mansur No. 5 Kampus USU, Medan, Indonesia
| | - Michael R I Silaban
- Department of Pharmacology and Therapeutics Faculty of Medicine, Jl. Dr Mansur No. 5 Kampus USU, Medan, Indonesia
| | - Muhammad Luthfi
- Department of Pharmacology and Therapeutics Faculty of Medicine, Jl. Dr Mansur No. 5 Kampus USU, Medan, Indonesia
| | - Pradeepa A P Govindan
- Department of Pharmacology and Therapeutics Faculty of Medicine, Jl. Dr Mansur No. 5 Kampus USU, Medan, Indonesia
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Chang WT, Li CQ, Hsu CW, Lee C, Huang HH, Yuan CS, Chen WJ, Vanden Hoek TL, Shao ZH, Li J. Baicalein Cardioprotection via Oxidant Scavenging and Akt-Nitric Oxide Signaling: Identification of Early Reperfusion Phase as the Critical Therapeutic Window. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2019; 47:1043-1056. [PMID: 31311299 DOI: 10.1142/s0192415x19500538] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Baicalein is a natural flavonoid with anti-oxidant activities protecting against ischemia/reperfusion (I/R) injury. Previous studies suggest that oxidative burst early after reperfusion accelerates cell death. We therefore investigated the critical therapeutic window of baicalein by examining the timing of baicalein treatment in relation to its oxidant modulating and cytoprotective effects. Using an established chick cardiomyocyte model of I/R, we administered baicalein at various time points after reperfusion and assessed cell viability and the profiles of reactive oxygen species (ROS), nitric oxide (NO), and Akt phosphorylation. Baicalein administered at the onset of reperfusion resulted in a concentration-dependent reduction of cell death (25 μM 48.2±1.9%, 50μM 43.8±1.5%, 100μM 36.6±2.1%, vs. I/R control 57.3±1.4%, all p<0.05). Baicalein (100μM) timely and effectively scavenged ROS burst and enhanced NO production in the early reperfusion phase. Cotreatment with NO synthase (NOS) inhibitor l-NAME (200μM) partially abrogated the cytoprotective effect. Baicalein (100μM) given after reperfusion lost protective effect in a time-dependent manner with cytoprotection completely lost if >60min. Even with only 15-min delay after reperfusion, the ROS scavenging effect was abolished and the NO enhancing effect markedly reduced. The phosphorylation of Akt, an upstream regulator of eNOS, also diminished as the delay lengthened. In conclusion, baicalein treatment after reperfusion confers cardioprotection in a concentration- and time-dependent manner. The critical therapeutic window lies in the early reperfusion phase, during which ROS scavenging and Akt-eNOS mediated NO signaling are most effective.
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Affiliation(s)
- Wei-Tien Chang
- *Department of Emergency Medicine, National Taiwan University, College of Medicine and National Taiwan University Hospital, Taipei, Taiwan, R.O.C.,†Cardiology Section, Department of Internal Medicine, National Taiwan University, College of Medicine and National Taiwan University Hospital, Taipei, Taiwan, R.O.C
| | - Chang-Qing Li
- ‡Department of Emergency Medicine, Center for Advanced Resuscitation Medicine, University of Illinois Hospital & Health Sciences System, Chicago, IL 60612, USA
| | - Chin-Wan Hsu
- §Department of Emergency Medicine, Wan-Fang Hospital, Taipei Medical University, Taipei, Taiwan, R.O.C
| | - Chunpei Lee
- ‡Department of Emergency Medicine, Center for Advanced Resuscitation Medicine, University of Illinois Hospital & Health Sciences System, Chicago, IL 60612, USA
| | - Hsien-Hao Huang
- ¶Department of Emergency Medicine, Taipei Veterans General Hospital and Emergency Medicine, College of Medicine, National Yang-Ming University, Taipei, Taiwan, R.O.C
| | - Chun-Su Yuan
- ∥Tang Center for Herbal Medicine Research and Department of Anesthesia & Critical Care, University of Chicago, Chicago, IL 60637, USA
| | - Wen-Jone Chen
- *Department of Emergency Medicine, National Taiwan University, College of Medicine and National Taiwan University Hospital, Taipei, Taiwan, R.O.C.,†Cardiology Section, Department of Internal Medicine, National Taiwan University, College of Medicine and National Taiwan University Hospital, Taipei, Taiwan, R.O.C
| | - Terry L Vanden Hoek
- ‡Department of Emergency Medicine, Center for Advanced Resuscitation Medicine, University of Illinois Hospital & Health Sciences System, Chicago, IL 60612, USA
| | - Zuo-Hui Shao
- ‡Department of Emergency Medicine, Center for Advanced Resuscitation Medicine, University of Illinois Hospital & Health Sciences System, Chicago, IL 60612, USA
| | - Jing Li
- ‡Department of Emergency Medicine, Center for Advanced Resuscitation Medicine, University of Illinois Hospital & Health Sciences System, Chicago, IL 60612, USA
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Braik A, Lahouel M, Merabet R, Djebar MR, Morin D. Myocardial protection by propolis during prolonged hypothermic preservation. Cryobiology 2019; 88:29-37. [DOI: 10.1016/j.cryobiol.2019.04.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 04/04/2019] [Accepted: 04/08/2019] [Indexed: 11/30/2022]
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Yu H, Guo Z, Wang S, Fernando GSN, Channa S, Kazlauciunas A, Martin DP, Krasnikov SA, Kulak A, Boesch C, Sergeeva NN. Fabrication of Hybrid Materials from Titanium Dioxide and Natural Phenols for Efficient Radical Scavenging against Oxidative Stress. ACS Biomater Sci Eng 2019; 5:2778-2785. [PMID: 33405610 DOI: 10.1021/acsbiomaterials.9b00535] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Oxidative stress caused by free radicals is one of the great threats to inflict intracellular damage. Here, we report a convenient approach to the synthesis, characterization, and evaluation of the radical activity of titanium-based composites. We have investigated the potential of natural antioxidants (curcumin, quercetin, catechin, and vitamin E) as radical scavengers and stabilizers. The titanium oxide composites were prepared via three steps including sol-gel synthesis, carboxylation, and esterification. The characterization of the titanium-phenol composites was carried out by FTIR, PXRD, UV-vis and SEM methods. The radical scavenging ability of the novel materials was evaluated using DPPH and an in vitro LPO assay using isolated rat liver mitochondria. The novel materials exhibit both a higher stability and an antioxidant activity in comparison to bare TiO2. It was found that curcumin and quercetin based composites show the highest antioxidant efficiency among the composites under study followed by catechin and vitamin E based materials. The results from an MTT assay carried out on the Caco-2 cell line indicate that the composites do not contribute to the cytotoxicity in vitro. This study demonstrates that a combination of powerful antioxidants with titanium dioxide can change its functional properties and provide a convenient strategy against oxidative stress.
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Affiliation(s)
- Huayang Yu
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Zhili Guo
- School of Food Science and Nutrition, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Shuqi Wang
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | | | - Simran Channa
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Algy Kazlauciunas
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - David P Martin
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Sergey A Krasnikov
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Alexander Kulak
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Christine Boesch
- School of Food Science and Nutrition, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
| | - Natalia N Sergeeva
- Department of Colour Science, School of Chemistry, University of Leeds, Woodhouse Lane, Leeds LS2 9JT, U.K
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DFT Studies on the Antioxidant Activity of Naringenin and Its Derivatives: Effects of the Substituents at C3. Int J Mol Sci 2019; 20:ijms20061450. [PMID: 30909377 PMCID: PMC6470621 DOI: 10.3390/ijms20061450] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2019] [Revised: 03/11/2019] [Accepted: 03/12/2019] [Indexed: 01/07/2023] Open
Abstract
The radical scavenging activity of a flavonoid is largely influenced by its structure. The effects of the substituents at C3 position on the antioxidant activity of naringenin were carried out using the density functional theory (DFT) method. The reaction enthalpies related with the three well-established mechanisms were analyzed. Excellent correlations were found between the reaction enthalpies and Hammett sigma constants. Equations obtained from the linear regression can be helpful in the selection of suitable candidates for the synthesis of novel naringenin derivatives with enhanced antioxidant properties. In the gas and benzene phases, the antioxidant activity of naringenin was enhanced by the electron-donating substituents via weakening the bond dissociation enthalpy (BDE). In the water phase, it was strengthened by electron-withdrawing groups—via lowering the proton affinity (PA). The electronic effect of the substituent on the BDE of naringenin is mainly governed by the resonance effect, while that on the ionization potential (IP) and PA of naringenin is mainly controlled by the field/inductive effect.
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Protective Effects of Galium verum L. Extract against Cardiac Ischemia/Reperfusion Injury in Spontaneously Hypertensive Rats. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:4235405. [PMID: 30863479 PMCID: PMC6378796 DOI: 10.1155/2019/4235405] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/27/2018] [Revised: 11/27/2018] [Accepted: 12/27/2018] [Indexed: 12/29/2022]
Abstract
Galium verum L. (G. verum, lady's bedstraw) is a perennial herbaceous plant, belonging to the Rubiaceae family. It has been widely used throughout history due to multiple therapeutic properties. However, the effects of this plant species on functional recovery of the heart after ischemia have still not been fully clarified. Therefore, the aim of our study was to examine the effects of methanol extract of G. verum on myocardial ischemia/reperfusion (I/R) injury in spontaneously hypertensive rats (SHR), with a special emphasis on the role of oxidative stress. Rats involved in the research were divided randomly into two groups: control (spontaneously hypertensive rats (SHR)) and G. verum group, including SHR rats treated with the G. verum extract (500 mg/kg body weight per os) for 4 weeks. At the end of the treatment, in vivo cardiac function was assessed by echocardiography. Rats were sacrificed and blood samples were taken for spectrophotometric determination of systemic redox state. Hearts from all rats were isolated and retrogradely perfused according to the Langendorff technique. After a stabilization period, hearts were subjected to 20-minute ischemia, followed by 30-minute reperfusion. Levels of prooxidants were spectrophotometrically measured in coronary venous effluent, while antioxidant enzymes activity was assessed in heart tissue. Cell morphology was evaluated by hematoxylin and eosin (HE) staining. 4-week treatment with G. verum extract alleviated left ventricular hypertrophy and considerably improved in vivo cardiac function. Furthermore, G. verum extract preserved cardiac contractility, systolic function, and coronary vasodilatory response after ischemia. Moreover, it alleviated I/R-induced structural damage of the heart. Additionally, G. verum extract led to a drop in the generation of most of the measured prooxidants, thus mitigating cardiac oxidative damage. Promising potential of G. verum in the present study may be a basis for further researches which would fully clarify the mechanisms through which this plant species triggers cardioprotection.
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Tang Z, Yang C, Zuo B, Zhang Y, Wu G, Wang Y, Wang Z. Taxifolin protects rat against myocardial ischemia/reperfusion injury by modulating the mitochondrial apoptosis pathway. PeerJ 2019; 7:e6383. [PMID: 30723634 PMCID: PMC6360081 DOI: 10.7717/peerj.6383] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Accepted: 01/03/2019] [Indexed: 12/21/2022] Open
Abstract
Background Taxifolin (TAX), is an active flavonoid, that plays an underlying protective role on the cardiovascular system. This study aimed to evaluate its effect and potential mechanisms on myocardial ischemia/reperfusion (I/R) injury. Methods Healthy rat heart was subjected to I/R using the Langendorff apparatus. Hemodynamic parameters, including heart rate, left ventricular developed pressure (LVDP), maximum/minimum rate of the left ventricular pressure rise (+dp/dtmax and −dp/dtmin) and rate pressure product (RPP) were recorded during the perfusion. Histopathological examination of left ventricular was measured by hematoxylin-eosin (H&E) staining. Creatine kinase-MB (CK-MB) and lactate dehydrogenase (LDH) activities in the effluent perfusion, and the levels of malondialdehyde (MDA), superoxide dismutase (SOD), and glutathione peroxidase (GSH-PX) in the tissue were assayed. Apoptosis related proteins, such as B-cell lymphoma-2 (Bcl-2), Bcl2-associated X (Bax), and cytochrome c (Cyt-c) were also assayed by ELISA. Western blot was employed to determine apoptosis-executive proteins, including caspase 3 and 9. Transferase-mediated dUTP-X nick end labeling assay was performed to evaluate the effect TAX on myocardial apoptosis. Results Taxifolin significantly improved the ventricular functional recovery, as evident by the increase in LVDP, +dp/dtmax, −dp/dtmin and RPP, the levels of SOD, GSH-PX were also increased, but those of LDH, CK-MB, and MDA were decreased. Furthermore, TAX up-regulated the Bcl-2 protein level but down-regulated the levels of Bax, Cyt-c, caspase 3 and 9 protein, thereby inhibits the myocardial apoptosis. Discussion Taxifolin treatment remarkably improved the cardiac function, regulated oxidative stress and attenuated apoptosis. Hence, TAX has a cardioprotective effect against I/R injury by modulating mitochondrial apoptosis pathway.
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Affiliation(s)
- Zhenqiu Tang
- Key Laboratory of Chinese Materia Medica, Heilongjiang University of Traditional Chinese Medicine, Harbin, Heilongjiang, China
| | - Chunjuan Yang
- College of Pharmacy, Harbin Medical University, Harbin, Heilongjiang, China.,Beijing Shunyue Technology Co., Ltd., Beijing, China
| | - Baoyan Zuo
- School of Pharmacy, Shenyang Pharmaceutical University, Shenyang, Liaoning, China
| | - Yanan Zhang
- Key Laboratory of Chinese Materia Medica, Heilongjiang University of Traditional Chinese Medicine, Harbin, Heilongjiang, China
| | - Gaosong Wu
- Key Laboratory of Chinese Materia Medica, Heilongjiang University of Traditional Chinese Medicine, Harbin, Heilongjiang, China
| | - Yudi Wang
- Key Laboratory of Chinese Materia Medica, Heilongjiang University of Traditional Chinese Medicine, Harbin, Heilongjiang, China
| | - Zhibin Wang
- Key Laboratory of Chinese Materia Medica, Heilongjiang University of Traditional Chinese Medicine, Harbin, Heilongjiang, China
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Zheng YZ, Deng G, Guo R, Chen DF, Fu ZM. Substituent Effects on the Radical Scavenging Activity of Isoflavonoid. Int J Mol Sci 2019; 20:ijms20020397. [PMID: 30669260 PMCID: PMC6359201 DOI: 10.3390/ijms20020397] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2019] [Revised: 01/15/2019] [Accepted: 01/15/2019] [Indexed: 11/16/2022] Open
Abstract
Understanding the role of substituents is of great importance for the preparation of novel phenolic compounds with enhanced antioxidative properties. In this work, the antioxidative activity of isoflavonoid derivatives with different substituents placed at the C2 position was determined by density functional theory (DFT) calculations. The bond dissociation enthalpy (BDE), ionization potential (IP), and proton affinity (PA) related to hydrogen atom transfer (HAT), single electron transfer-proton transfer (SET-PT), and sequential proton loss electron transfer (SPLET) mechanisms were calculated. The strongest antioxidative group of isoflavonoid is not altered by the substituents. Excellent correlations were found between the BDE/IP/PA and Hammett sigma constants. Equations obtained from linear regression can be useful in the selection of suitable candidates for the synthesis of novel isoflavonoids derivatives with enhanced antioxidative properties. In the gas and benzene phases, the electron-donating substituents would enhance the antioxidative activity of isoflavonoids via weakening the BDE of 4′−OH. In water phase, they will reduce the antioxidative by strengthening the PA of 7−OH. Contrary results occur for the electron-withdrawing groups. In addition, the electronic effects of substituents on the BDE/IP/PA have also been analyzed.
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Affiliation(s)
- Yan-Zhen Zheng
- College of Bee Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Geng Deng
- Key Laboratory of Bioorganic Phosphorous Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing 100084, China.
| | - Rui Guo
- College of Bee Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Da-Fu Chen
- College of Bee Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
| | - Zhong-Min Fu
- College of Bee Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China.
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Vilahur G, Casaní L, Peña E, Crespo J, Juan-Babot O, Ben-Aicha S, Mendieta G, Béjar MT, Borrell M, Badimon L. Silybum marianum provides cardioprotection and limits adverse remodeling post-myocardial infarction by mitigating oxidative stress and reactive fibrosis. Int J Cardiol 2018; 270:28-35. [PMID: 29936043 DOI: 10.1016/j.ijcard.2018.06.030] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2017] [Revised: 05/15/2018] [Accepted: 06/06/2018] [Indexed: 11/25/2022]
Abstract
AIMS Milk thistle (Silybum marianum; SM) is an herb commonly used for hepatoprotection with antioxidant and antifibrotic properties. We investigated in pigs the cardiac effects of SM intake during the acute phase of myocardial infarction (MI) and remodeling period post-MI. METHODS Study-1 tested the effect of SM use on the acute phase of MI. Hence, animals were distributed to a control group or to receive SM prior infarction (1.5 h ischemia). Animals were sacrificed after 2.5 h of reperfusion. Study-2 tested the effect of SM use in the cardiac remodeling phase. Accordingly, animals received for 10 d diet ± SM prior MI and followed the same regime for 3 weeks and then sacrificed. Study-3 tested the effect of SM in a non-infarcted heart; therefore, animals received for 10 d diet ± SM and then sacrificed. RESULTS Animals taking SM before MI showed a reduction in cardiac damage (decreased oxidative damage, ROS production and xanthine oxidase levels; preserved mitochondrial function; and increased myocardial salvage; p < 0.05) versus controls. Animals that remained on chronic SM intake post-MI improved left ventricular remodeling. This was associated with the attenuation of the TGFß1/TßRs/SMAD2/3 signaling, lower myofibroblast transdifferentiation and collagen content in the border zone (p < 0.05 vs. all other groups). Cardiac contractility improved in animals taking SM (p < 0.05 vs. post-MI-control). No changes in cardiac function or fibrosis were detected in animals on SM but without MI. CONCLUSION Intake of SM protects the heart against the deleterious effects of an MI and favors cardiac healing. These benefits may be attributed to the antioxidant and antifibrotic properties of SM.
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Affiliation(s)
- Gemma Vilahur
- Cardiovascular Program - ICCC - IR Hospital Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain; CIBERCV, Instituto Salud Carlos III, Spain
| | - Laura Casaní
- Cardiovascular Program - ICCC - IR Hospital Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain; CIBERCV, Instituto Salud Carlos III, Spain
| | - Esther Peña
- Cardiovascular Program - ICCC - IR Hospital Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain; CIBERCV, Instituto Salud Carlos III, Spain
| | - Javier Crespo
- Cardiovascular Program - ICCC - IR Hospital Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain
| | - Oriol Juan-Babot
- Cardiovascular Program - ICCC - IR Hospital Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain
| | - Soumaya Ben-Aicha
- Cardiovascular Program - ICCC - IR Hospital Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain
| | - Guiomar Mendieta
- Cardiovascular Program - ICCC - IR Hospital Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain
| | - Maria Teresa Béjar
- Cardiovascular Program - ICCC - IR Hospital Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain
| | - María Borrell
- Cardiovascular Program - ICCC - IR Hospital Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain; CIBERCV, Instituto Salud Carlos III, Spain
| | - Lina Badimon
- Cardiovascular Program - ICCC - IR Hospital Santa Creu i Sant Pau, IIB-Sant Pau, Barcelona, Spain; CIBERCV, Instituto Salud Carlos III, Spain; Cardiovascular Research Chair UAB, Autonomous University of Barcelona, Spain.
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Sun XQ, Chen S, Wang LF, Chen ZW. Total flavones of Rhododendron simsii Planch flower protect isolated rat heart from ischaemia-reperfusion injury and its mechanism of UTR-RhoA-ROCK pathway inhibition. J Pharm Pharmacol 2018; 70:1713-1722. [DOI: 10.1111/jphp.13016] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Accepted: 09/02/2018] [Indexed: 12/14/2022]
Abstract
Abstract
Objectives
Total flavones of Rhododendron simsii Planch flower (TFR) are an effective part extracted from the flower. The present study was designed to investigate the protective effect of TFR in isolated rat heart following global ischaemia-reperfusion and the possible underlying mechanisms.
Methods
Langendorff perfusion apparatus was used to perfuse isolated rat heart which was subjected to global ischaemia-reperfusion. The hemodynamic parameters were continuously monitored. Coronary flow as well as lactate dehydrogenase (LDH), creatine phosphokinase-MB (CK-MB) and cardiac troponin I (cTnI) in coronary effluents was measured. RhoA activity and urotensin receptor (UTR) and Rho-related coiled-coil-forming protein kinase (ROCK) protein expressions in rat myocardium were examined, respectively. Cardiac dysfunction was indicated by the alterations of hemodynamic parameters and the reduced coronary flow.
Key findings
Total flavones of Rhododendron simsii Planch flower significantly improved ischaemia-reperfusion–induced cardiac dysfunction and leakages of LDH, CK-MB and cTnI, and inhibited myocardial ischaemia-reperfusion–increased RhoA activity and UTR, ROCK1 and ROCK2 protein expressions. The improvement of TFR in the cardiac dysfunction and the leakage of LDH, CK-MB and cTnI were markedly attenuated under the UTR blockade and ROCK inhibition. TFR-inhibited RhoA activity was decreased under the UTR blockade.
Conclusions
Total flavones of Rhododendron simsii Planch flower had a protective effect on ischaemia-reperfusion injury in isolated rat heart, which may be attributed to the blocking of UTR and subsequent inhibition of the RhoA-ROCK pathway.
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Affiliation(s)
- Xiao-Qing Sun
- Department of Pharmacology, Anhui Medical University, Hefei, Anhui, China
| | - Shuo Chen
- Department of Physiology, Anhui Medical University, Hefei, Anhui, China
| | - Liang-Fang Wang
- Department of Pharmacology, Anhui Medical University, Hefei, Anhui, China
| | - Zhi-Wu Chen
- Department of Pharmacology, Anhui Medical University, Hefei, Anhui, China
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Akhlaghi M, Ghobadi S, Mohammad Hosseini M, Gholami Z, Mohammadian F. Flavanols are potential anti-obesity agents, a systematic review and meta-analysis of controlled clinical trials. Nutr Metab Cardiovasc Dis 2018; 28:675-690. [PMID: 29759310 DOI: 10.1016/j.numecd.2018.04.001] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/15/2017] [Revised: 03/31/2018] [Accepted: 04/03/2018] [Indexed: 02/07/2023]
Abstract
BACKGROUND The anti-obesity potential of flavonoids has been shown by animal and human studies. In this meta-analysis, we systematically reviewed controlled clinical trials and quantified the effects of flavonoids and flavonoid subclasses on obesity-related anthropometric measures. METHODS AND RESULTS PubMed, EMBASE, Scopus, Web of Science, and ProQuest databases were searched to identify trials examining the effect of flavonoids on body mass index (BMI), waist circumference, and body fat percentage. Fifty eight trials passed the eligibility process. Analysis endpoints were calculated as the mean difference between baseline and post-treatment. Flavonoids were in subclasses of flavanols, flavonols, isoflavones, flavanones, anthocyanins, and proanthocyanidins. They were mostly in the form of supplements and dosages varying from 40 to 1300 mg/day. Among flavonoid subclasses, flavanols showed potential for decreasing BMI, in the overall population (mean difference (MD) = -0.28 kg/m2, P = 0.04; n = 21) and in the subgroups of Asians (MD = -0.42 kg/m2; P = 0.046; n = 13), ages < 50 years (MD = -0.50 kg/m2; P = 0.008; n = 14), BMI ≥ 25 kg/m2 (MD = -0.30 kg/m2; P = 0.049; n = 15), and at doses ≥ 500 mg/day (MD = -0.36 kg/m2; P = 0.049; n = 12). Isoflavones also decreased BMI of non-Asian populations (MD = -0.26 kg/m2; P = 0.035; n = 13) and doses ≥ 75 mg/day (MD = -0.34 kg/m2; P = 0.027; n = 8). In the overall assessment, flavanols also decreased waist circumference (MD = -0.60 cm; P = 0.02; n = 18) but had no significant effect on body fat percentage. The available trials did not reveal significant effects from flavonols, flavanones, and anthocyanins on the specified anthropometric measures. CONCLUSIONS Overall results of this meta-analysis showed that flavanols have potential against obesity.
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Affiliation(s)
- M Akhlaghi
- Nutrition Research Center, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - S Ghobadi
- Department of Community Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - M Mohammad Hosseini
- Department of Community Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Z Gholami
- Department of Community Nutrition, School of Nutrition and Food Sciences, Shiraz University of Medical Sciences, Shiraz, Iran
| | - F Mohammadian
- Department of Physiology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
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Sedighi M, Nazari A, Faghihi M, Rafieian-Kopaei M, Karimi A, Moghimian M, Mozaffarpur SA, Rashidipour M, Namdari M, Cheraghi M, Rasoulian B. Protective effects of cinnamon bark extract against ischemia-reperfusion injury and arrhythmias in rat. Phytother Res 2018; 32:1983-1991. [PMID: 29917280 DOI: 10.1002/ptr.6127] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/01/2018] [Revised: 05/16/2018] [Accepted: 05/21/2018] [Indexed: 01/19/2023]
Abstract
Cinnamomum zeylanicum (cinnamon) is a plant with potent antioxidant activity and has been used in traditional medicine for improvement of heart function. The effects of cinnamon bark ethanolic extract were investigated against ischemia-induced arrhythmias and heart injury in an in vivo rat model of regional heart ischemia. The extract was also standardized, and its antioxidant activity was evaluated. Adult male Sprague-Dawley rats were subjected to 30 min of ischemia by occlusion of the left anterior descending coronary artery followed by 5 days of reperfusion. Thirty-two animals were randomized to receive daily oral administration of vehicle or C. zeylanicum bark extract (intragastric, 50, 100, or 200 mg/kg) 14 days before ischemia. C. zeylanicum was standardized through HPLC analysis. Administration of cinnamon bark extract significantly improved ischemia/reperfusion-induced myocardial injury as evidenced by reduction of the infarct size. Also, during the ischemic period, ventricular tachycardia and ventricular ectopic beats episodes decreased as compared with that of the control group. The extract stabilized the ST segment changes and QTc shortening, decreased R-wave amplitude, and increased heart rate during ischemia. The extract also caused significant elevations in serum superoxide dismutase and glutation proxidase activities as well as a significant decrease in serum cardiac troponin I, lactate dehydrogenase, and malondialdehyde levels, 5 days after reperfusion. In HPLC analysis, the amounts of Cinamic acid, Methyl eugenol, and Cinnamaldehyde were 8.99 ± 0.5, 13.02 ± 1.8, and 14.63 ± 1.1 mg/g, respectively. The results show that the ethanolic extract of cinnamon bark is able to protect the heart against ischemia-reperfusion injury probably due to its antioxidant properties. Hence, it might be beneficial in these patients and this remedy might be used for preparation of new drugs.
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Affiliation(s)
- Mehrnoosh Sedighi
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran.,Student Research Committee, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Afshin Nazari
- Razi Herbal Medicines Research Center and Department of Physiology, Lorestan University of Medical Science, Khorramabad, Iran
| | - Mahdieh Faghihi
- Department of Physiology, School of Medicine, Tehran University of Medical Science, Tehran, Iran
| | - Mahmoud Rafieian-Kopaei
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Arash Karimi
- Department of Anesthesiology, Anesthesiologist, Faculty of Medicine, Lorestan University of Medical Science, Khorramabad, Iran
| | - Maryam Moghimian
- Department of Physiology, School of Medicine, Gonabad University of Medical Science, Gonabad, Iran
| | - Seyyed Ali Mozaffarpur
- Traditional Medicine and History of Medical Sciences Research Center, Institute of Health, Babol University of Medical Science, Babol, Iran
| | - Marzieh Rashidipour
- Razi Herbal Medicines Research Center, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Mehrdad Namdari
- Department of Cardiology, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Mostafa Cheraghi
- Department of Cardiology, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Bahram Rasoulian
- Razi Herbal Medicines Research Center and Department of Physiology, Lorestan University of Medical Science, Khorramabad, Iran
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Torki A, Khalaji-Pirbalouty V, Lorigooini Z, Rafieian-Kopaei M, Sadeghimanesh A, Rabiei Z. Anchusa italica extract: phytochemical and neuroprotective evaluation on global cerebral ischemia and reperfusion. BRAZ J PHARM SCI 2018. [DOI: 10.1590/s2175-97902018000117251] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
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42
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Raj P, McCallum JL, Kirby C, Grewal G, Yu L, Wigle JT, Netticadan T. Effects of cyanidin 3-0-glucoside on cardiac structure and function in an animal model of myocardial infarction. Food Funct 2018; 8:4089-4099. [PMID: 28990610 DOI: 10.1039/c7fo00709d] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Cyanidin 3-0-glucoside (CG) is a polyphenol with potential health benefits. In this study, we investigated, for the first time, the cardioprotective effects of CG in an animal model of myocardial infarction (MI), a major cause of death worldwide. Sham and MI rats were administered CG (10 mg kg-1 day-1) daily for one week prior to surgery, and 8 weeks post-surgery. Echocardiography was performed to assess cardiac structure and function at 4 and 8 weeks. At 4 weeks, MI rats had significantly lower body mass when compared to control rats, and CG administration significantly prevented this decrease. Four-week MI rats also showed significantly increased left ventricle dilation, end systolic and end diastolic volumes in comparison to controls, and CG significantly prevented these adverse changes. Ejection fraction was significantly lower in 4-week MI rats in comparison to controls, and CG had no effect on this parameter. At 8 weeks, body mass was significantly lower in MI rats when compared to control rats, and CG significantly prevented this decrease. At 8 weeks, MI rats showed a significant increase in left ventricle dilation and isovolumic relaxation time, while ejection fraction was significantly lower when compared to controls; these parameters were not altered by CG treatment. Eight-week MI rats had significantly higher level of oxidative stress in heart tissue in comparison to controls, and CG administration did not prevent this increase. In conclusion, administration of CG was able to significantly preserve body mass in both 4 and 8 weeks MI rats, as well as significantly prevent cardiac dilation in 4 weeks MI rats. However, CG was unable to sustain this cardioprotection, as cardiac structure and function were not significantly improved in 8 weeks MI rats.
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Affiliation(s)
- Pema Raj
- Canadian Centre for Agri-Food Research in Health and Medicine, St. Boniface Hospital Albrechtsen Research Centre, Canada.
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Sairam T, Patel AN, Subrahmanian M, Gopalan R, Pogwizd SM, Ramalingam S, Sankaran R, Rajasekaran NS. Evidence for a hyper-reductive redox in a sub-set of heart failure patients. J Transl Med 2018; 16:130. [PMID: 29776421 PMCID: PMC5960146 DOI: 10.1186/s12967-018-1503-x] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 05/03/2018] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Oxidative stress has been linked to heart failure (HF) in humans. Antioxidant-based treatments are often ineffective. Therefore, we hypothesize that some of the HF patients might have a reductive stress (RS) condition. Investigating RS-related mechanisms will aid in personalized optimization of redox homeostasis for better outcomes among HF patients. METHODS Blood samples were collected from HF patients (n = 54) and healthy controls (n = 42) and serum was immediately preserved in - 80 °C for redox analysis. Malondialdehyde (MDA; lipid peroxidation) levels by HPLC, reduced glutathione (GSH) and its redox ratio (GSH/GSSG) using enzymatic-recycling assay in the serum of HF patients were measured. Further, the activities of key antioxidant enzymes were analyzed by UV-Vis spectrophotometry. Non-invasive echocardiography was used to relate circulating redox status with cardiac function and remodeling. RESULTS The circulatory redox state (GSH/MDA ratio) was used to stratify the HF patients into normal redox (NR), hyper-oxidative (HO), and hyper-reductive (HR) groups. While the majority of the HF patients exhibited the HO (42%), 41% of them had a normal redox (NR) state. Surprisingly, a subset of HF patients (17%) belonged to the hyper-reductive group, suggesting a strong implication for RS in the progression of HF. In all the groups of HF patients, SOD, GPx and catalase were significantly increased while GR activity was significantly reduced relative to healthy controls. Furthermore, echocardiography analyses revealed that 55% of HO patients had higher systolic dysfunction while 62.5% of the hyper-reductive patients had higher diastolic dysfunction. CONCLUSION These results suggest that RS may be associated with HF pathogenesis for a subset of cardiac patients. Thus, stratification of HF patients based on their circulating redox status may serve as a useful prognostic tool to guide clinicians designing personalized antioxidant therapies.
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Affiliation(s)
- Thiagarajan Sairam
- PSG Center for Molecular Medicine and Therapeutics, PSG Institute of Medical Sciences & Research (Affiliated to the Tamilnadu Dr MGR Medical University), Coimbatore, Tamil Nadu, India
| | - Amit N Patel
- Division of Cardiothoracic Surgery, University of Miami-Miller School of Medicine, Miami, FL, USA
| | - Meenu Subrahmanian
- PSG Center for Molecular Medicine and Therapeutics, PSG Institute of Medical Sciences & Research (Affiliated to the Tamilnadu Dr MGR Medical University), Coimbatore, Tamil Nadu, India
| | - Rajendiran Gopalan
- Department of Cardiology, PSG Institute of Medical Sciences & Research (Affiliated to the Tamilnadu Dr MGR Medical University), Coimbatore, Tamil Nadu, India
| | - Steven M Pogwizd
- Comprehensive Cardiovascular Center, Department of Medicine, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Sudha Ramalingam
- PSG Center for Molecular Medicine and Therapeutics, PSG Institute of Medical Sciences & Research (Affiliated to the Tamilnadu Dr MGR Medical University), Coimbatore, Tamil Nadu, India
| | - Ramalingam Sankaran
- PSG Center for Molecular Medicine and Therapeutics, PSG Institute of Medical Sciences & Research (Affiliated to the Tamilnadu Dr MGR Medical University), Coimbatore, Tamil Nadu, India.
| | - Namakkal Soorapan Rajasekaran
- Cardiac Aging & Redox Signaling Laboratory, Center for Free Radical Biology, Division of Molecular & Cellular Pathology, Department of Pathology, UAB
- The University of Alabama at Birmingham, BMR2 Room 533
- 901 19th Street South, Birmingham, AL, 35294-2180, USA. .,PSG Center for Molecular Medicine and Therapeutics, PSG Institute of Medical Sciences & Research (Affiliated to the Tamilnadu Dr MGR Medical University), Coimbatore, Tamil Nadu, India. .,Cardiovascular Medicine, University of Utah School of Medicine, Salt Lake City, UT, USA.
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Antihypertensive Effect of Ethanolic Extract from Acanthopanax sessiliflorus Fruits and Quality Control of Active Compounds. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:5158243. [PMID: 29849899 PMCID: PMC5937377 DOI: 10.1155/2018/5158243] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/01/2017] [Revised: 01/11/2018] [Accepted: 02/27/2018] [Indexed: 02/07/2023]
Abstract
Acanthopanax sessiliflorus (Rupr. & Maxim.) Seem., which belongs to the Araliaceae family, mainly inhabits Korea, China, and Japan. Traditionally, Acanthopanax species have been used as treatment for several diseases such as diabetes, tumors, and rheumatoid arthritis. Especially, its fruits have many biological functions including antitumor, immunostimulating, antithrombosis, and antiplatelet activities. Recently, the extract of A. sessiliflorus fruit has been reported to have antithrombotic and antiplatelet activities related to the alleviation of hypertension. Therefore, we investigated the antihypertensive effect of ethanolic extract from A. sessiliflorus fruits (DHP1501) through in vivo, ex vivo, and in vitro studies. In this study, DHP1501 demonstrated free radical scavenging capacity, enhanced endothelial nitric oxide (NO) production, and inhibited angiotensin-converting enzyme (ACE) activity in spontaneously hypertensive rats (SHRs), resulting in the improvement of vascular relaxation and decrease in blood pressure in the hypertensive animal model. These results suggest that A. sessiliflorus fruit extract may be a promising functional material for the prevention and treatment of hypertension. Furthermore, this study demonstrated the utility of MS-based active compounds for the quality control of DHP1501.
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Li J, Chen B, Hong N, Wu S, Li Y. Effect of Baicalein on Matrix Metalloproteinases and Durability of Resin-Dentin Bonding. Oper Dent 2018. [PMID: 29513641 DOI: 10.2341/17-097-l] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
OBJECTIVE In an attempt to increase resin-dentin bonding quality, this study used baicalein as a preconditioner in an etch-and-rinse adhesive to evaluate its effect on matrix metalloproteinases (MMPs) and adhesive durability. METHODS As a MMP inhibitor and potential collagen cross-linking agent, baicalein was used as a preconditioner in an etch-and-rinse adhesive system. The degree of conversion was evaluated by Fourier-transform infrared spectroscopy. EnzChek gelatinase/collagenase assay kits were then used to detect the MMP inhibitory effect of different concentrations of baicalein (0.1, 0.5, 2.5, and 5.0 μg/mL) on dentin powders. During in vitro bonding procedures, flat dentin surfaces on sound third molars were preconditioned with 2.5 μg/mL baicalein after being acid-etched; this step was followed by continuation of adhesive processes and build-up of resin composite. After resin-dentin stick preparation, bonding strength, failure mode, and interface nanoleakage were respectively evaluated via microtensile testing, stereomicroscopy, and field emission scanning electron microscopy either immediately or after storage in artificial saliva for three or six months. Data were analyzed by two-way analysis of variance and Tukey test (α=0.05). RESULTS Baicalein at a concentration of 0-5.0 μg/mL did not influence the conversion of adhesives. However, it inhibited the activities of dentin-bond gelatinase and collagenase, especially at a concentration of 2.5 μg/mL, while effectively increasing microtensile bonding strength and decreasing nanoleakage in vitro, both immediately and after aging. CONCLUSIONS Baicalein used as preconditioner in an etch-and-rinse adhesive system has an anti-MMP function and effectively improves resin-dentin bonding durability in vitro, which has potential value in clinical bonding procedures.
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Mahmoudabady M, Haghshenas M, Niazmand S. Extract from Teucrium polium L. Protects Rat Heart against Oxidative Stress Induced by Ischemic-reperfusion Injury. Adv Biomed Res 2018; 7:15. [PMID: 29456986 PMCID: PMC5812096 DOI: 10.4103/abr.abr_218_16] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Background The deleterious effect of oxidative stress on myocardial ischemia-reperfusion (I/R) has already been shown in previous studies. Since Teucrium polium has anti-oxidative and cardio-protective properties, the aim of this study was to investigate the effects of this plant on I/R injuries in the isolated rat heart. Materials and Methods The myocardial I/R injury of rat was created by Langendorff retrograde perfusion technology. The heart was preperfused with Krebs-Henseleit (K-H) solution containing T. polium extract for 20 min before 20 min global ischemia, and then the reperfusion with K-H bicarbonate buffer was conducted for 40 min. The left ventricular developed pressure and the maximum up/down rate of the left ventricular pressure (±dp/dtmax) were recorded by physiological recorder as the myocardial function. Lactate dehydrogenase (LDH) and creatine kinase (CK) activities in the effluent were measured to determine the myocardial injury degree. Thiobarbituric acid reactive substances (TBARS), total thiol groups (-SH), superoxide anion dismutase (SOD), and catalase (CAT) in myocardial tissue were detected to determine the oxidative stress degree. Results The results showed that the pretreatment with T. polium significantly enhanced cardiac parameters and the coronary artery flow, decreased the LDH, CK activities, and TBARS level, whereas it increased - SH groups, SOD and CAT activities. Conclusions Our findings indicated that T. polium could provide protection for heart against the I/R injury which may be related to the improvement of myocardial oxidative stress states.
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Affiliation(s)
- Maryam Mahmoudabady
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Neurogenic Inflammation Research Centre, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Milad Haghshenas
- Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saeed Niazmand
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Oyama Y, Bartman CM, Gile J, Sehrt D, Eckle T. The Circadian PER2 Enhancer Nobiletin Reverses the Deleterious Effects of Midazolam in Myocardial Ischemia and Reperfusion Injury. Curr Pharm Des 2018; 24:3376-3383. [PMID: 30246635 PMCID: PMC6318050 DOI: 10.2174/1381612824666180924102530] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2018] [Revised: 09/10/2018] [Accepted: 09/16/2018] [Indexed: 01/01/2023]
Abstract
BACKGROUND Recently, we identified the circadian rhythm protein Period 2 (PER2) in robust cardioprotection from myocardial ischemia (MI). Based on findings that perioperative MI is the most common major cardiovascular complication and that anesthetics can alter the expression of PER2, we hypothesized that an anesthesia mediated downregulation of PER2 could be detrimental if myocardial ischemia and reperfusion (IR) would occur. METHODS AND RESULTS We exposed mice to pentobarbital, fentanyl, ketamine, propofol, midazolam or isoflurane and determined cardiac Per2 mRNA levels. Unexpectedly, only midazolam treatment resulted in an immediate and significant downregulation of Per2 transcript levels. Subsequent studies in mice pretreated with midazolam using an in-situ mouse model for myocardial (IR)-injury revealed a significant and dramatic increase in infarct sizes or Troponin-I serum levels in the midazolam treated group when compared to controls. Using the recently identified flavonoid, nobiletin, as a PER2 enhancer completely abolished the deleterious effects of midazolam during myocardial IR-injury. Moreover, nobiletin treatment alone significantly reduced infarct sizes or Troponin I levels in wildtype but not in Per2-/- mice. Pharmacological studies on nobiletin like flavonoids revealed that only nobiletin and tangeritin, both found to enhance PER2, were cardioprotective in our murine model for myocardial IR-injury. CONCLUSION We identified midazolam mediated downregulation of cardiac PER2 as an underlying mechanism for a deleterious effect of midazolam pretreatment in myocardial IR-injury. These findings highlight PER2 as a cardioprotective mechanism and suggest the PER2 enhancers nobiletin or tangeritin as a preventative therapy for myocardial IR-injury in the perioperative setting where midazolam pretreatment occurs frequently.
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Affiliation(s)
- Yoshimasa Oyama
- Department of Anesthesiology, University of Colorado Denver School of Medicine, Aurora, CO 80045, United States
| | - Colleen Marie Bartman
- Department of Anesthesiology, University of Colorado Denver School of Medicine, Aurora, CO 80045, United States
| | - Jennifer Gile
- Department of Anesthesiology, University of Colorado Denver School of Medicine, Aurora, CO 80045, United States
| | - Daniel Sehrt
- Department of Anesthesiology, University of Colorado Denver School of Medicine, Aurora, CO 80045, United States
| | - Tobias Eckle
- Department of Anesthesiology, University of Colorado Denver School of Medicine, Aurora, CO 80045, United States
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Fantinelli JC, Cuéllar Álvarez LN, González Arbeláez LF, Ciocci Pardo A, Galeano García PL, Schinella GR, Mosca SM. Acute treatment with copoazú fermented extract ameliorates myocardial ischemia-reperfusion injury via eNOS activation. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.05.010] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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Sengupta B, Sahihi M, Dehkhodaei M, Kelly D, Arany I. Differential roles of 3-Hydroxyflavone and 7-Hydroxyflavone against nicotine-induced oxidative stress in rat renal proximal tubule cells. PLoS One 2017; 12:e0179777. [PMID: 28640852 PMCID: PMC5480997 DOI: 10.1371/journal.pone.0179777] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 06/02/2017] [Indexed: 12/16/2022] Open
Abstract
Plant flavonoids are well known as antioxidants against oxidative stress induced by exposure to external pollutants. Nicotine (NIC) is one of those agents which increases renal oxidative stress, an important factor in the pathogenesis of renal epithelial injury in smokers. Although several studies had been conducted on flavonoids and oxidative stress, the mechanism of the protective pathways are not fully understood. Here, we present studies on antioxidant properties of two mono-hydroxyflavone isomers, 3-hydroxyflanove (3HF)- and 7-hydroxyflavone (7HF), against nicotine-associated oxidative stress and injury in cultured renal proximal tubule cells and correlate their antioxidant properties with their chemical structure. Our data clearly demonstrates, for the first time, that while both 3HF and 7HF protect renal cells from NIC-associated cytotoxicity, the mechanism of their action is different: 3HF elicits protective activity via the PKA/CREB/MnSOD pathway while 7HF does so via the ERK/Nrf2/HO-1 pathway. Molecular docking and dynamics simulations with two major signaling pathway proteins showed significant differences in the binding energies of 3HF (-5.67 and -7.39 kcal.mol-1) compared to 7HF (-5.41 and -8.55 kcal.mol-1) in the matrices of CREB and Keap1-Nrf2 proteins respectively, which corroborate with the observed differences in their protective properties in the renal cells. The implications of this novel explorative study is likely to promote the understanding of the mechanisms of the antioxidative functions of different flavones.
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Affiliation(s)
- Bidisha Sengupta
- Department of Chemistry, Tougaloo College, Tougaloo, Mississippi, United States of America
| | - Mehdi Sahihi
- Department of Chemistry, University of Isfahan, Isfahan, Iran
| | | | - Darrian Kelly
- Department of Chemistry, Tougaloo College, Tougaloo, Mississippi, United States of America
| | - Istvan Arany
- Department of Pediatrics, University of Mississippi Medical Center, Jackson, Mississippi, United States of America
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Mahmoudabady M, Lashkari M, Niazmand S, Soukhtanloo M. Cardioprotective effects of Achillea wilhelmsii on the isolated rat heart in ischemia-reperfusion. J Tradit Complement Med 2017; 7:501-507. [PMID: 29034199 PMCID: PMC5634733 DOI: 10.1016/j.jtcme.2016.12.010] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2016] [Revised: 12/08/2016] [Accepted: 12/30/2016] [Indexed: 01/24/2023] Open
Abstract
Context There are some reports about protective effects of Achillea on the heart. Objective We investigated the effect of Achillea wilhelmsii extract on cardiac function during ischemia–reperfusion (I/R) injury in the isolated rat heart. Materials and methods 60 male Wistar rats were randomly divided into 6 groups; 1: Control group, 2: Control-ischemia (CI) 3: vitamin C (10 mg/kg), 4–6: Extract groups (E 100, E 200 and E 400 mg/kg). The animals received normal saline, vitamin C or A. wilhelmsii extract orally for 4 weeks. At the end of the treatment, the hearts were subjected to in vitro I/R Injury (20 min of global ischemia, followed by 40 min of reperfusion, Langendorff's mode). Heart rate (HR) and left ventricular pressure (LVP) were measured using a pressure transducer connected to a data acquisition system. Lactate dehydrogenase (LDH) and creatine kinase (CK) activities in the effluent were measured to determine the myocardial injury degree. The malondialdehyde (MDA), total thiol groups (-SH), superoxide anion dismutase (SOD) and catalase (CAT) in myocardial tissue were detected to determine the oxidative stress degree. Results Pretreatment with Achillea wilhlemsii significantly decreased the LDH, CK activities, and MDA level, while it increased the LVDP, ±dp/dtmax, rate-pressure product (RPP), SH groups, SOD and CAT activities, and also the coronary artery flow. Discussion and conclusion Our findings indicated that Achillea wilhelmsii could provide protection for heart against the I/R injury which may be related to the improvement of myocardial oxidative stress states.
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Affiliation(s)
- M Mahmoudabady
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Neurogenic Inflammation, Research Centre, Mashhad University of Medical Sciences, Mashhad, Iran
| | - M Lashkari
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.,Pharmacological Research Center of Medicinal Plants, Mashhad University of Medical Sciences, Iran
| | - S Niazmand
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - M Soukhtanloo
- Department of Clinical Biochemistry, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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