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Zumerle S, Sarill M, Saponaro M, Colucci M, Contu L, Lazzarini E, Sartori R, Pezzini C, Rinaldi A, Scanu A, Sgrignani J, Locatelli P, Sabbadin M, Valdata A, Brina D, Giacomini I, Rizzo B, Pierantoni A, Sharifi S, Bressan S, Altomare C, Goshovska Y, Giraudo C, Luisetto R, Iaccarino L, Torcasio C, Mosole S, Pasquini E, Rinaldi A, Pellegrini L, Peron G, Fassan M, Masiero S, Giori AM, Dall'Acqua S, Auwerx J, Cippà P, Cavalli A, Bolis M, Sandri M, Barile L, Montopoli M, Alimonti A. Targeting senescence induced by age or chemotherapy with a polyphenol-rich natural extract improves longevity and healthspan in mice. NATURE AGING 2024:10.1038/s43587-024-00663-7. [PMID: 38951692 DOI: 10.1038/s43587-024-00663-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Accepted: 05/31/2024] [Indexed: 07/03/2024]
Abstract
Accumulating senescent cells within tissues contribute to the progression of aging and age-related diseases. Botanical extracts, rich in phytoconstituents, present a useful resource for discovering therapies that could target senescence and thus improve healthspan. Here, we show that daily oral administration of a standardized extract of Salvia haenkei (Haenkenium (HK)) extended lifespan and healthspan of naturally aged mice. HK treatment inhibited age-induced inflammation, fibrosis and senescence markers across several tissues, as well as increased muscle strength and fur thickness compared with age-matched controls. We also found that HK treatment reduced acutely induced senescence by the chemotherapeutic agent doxorubicin, using p16LUC reporter mice. We profiled the constituent components of HK by mass spectrometry, and identified luteolin-the most concentrated flavonoid in HK-as a senomorphic compound. Mechanistically, by performing surface plasmon resonance and in situ proximity ligation assay, we found that luteolin disrupted the p16-CDK6 interaction. This work demonstrates that administration of HK promotes longevity in mice, possibly by modulating cellular senescence and by disrupting the p16-CDK6 interaction.
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Affiliation(s)
- Sara Zumerle
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Medicine, University of Padova, Padova, Italy
| | - Miles Sarill
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Miriam Saponaro
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Medicine, University of Padova, Padova, Italy
- Department of Urology and Pediatric Urology, University Medical Center Bonn (UKB), Bonn, Germany
| | - Manuel Colucci
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
- Faculty of Biology and Medicine, University of Lausanne UNIL, Lausanne, Switzerland
| | - Liliana Contu
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Medicine, University of Padova, Padova, Italy
| | - Edoardo Lazzarini
- Cardiovascular Theranostics, Istituto Cardiocentro Ticino, Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biomedical Sciences, Euler Institute, Università della Svizzera Italiana, Lugano, Switzerland
| | - Roberta Sartori
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Camilla Pezzini
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Anna Rinaldi
- Department of Medicine, Division of Nephrology, Ente Ospedaliero Cantonale, Lugano, Switzerland
- Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Anna Scanu
- Department of Neuroscience, Rehabilitation Unit, University of Padova, Padova, Italy
| | - Jacopo Sgrignani
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Patrizia Locatelli
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Marianna Sabbadin
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Medicine, University of Padova, Padova, Italy
- Veneto Institute of Oncology IOV - IRCCS, Padova, Italy
| | - Aurora Valdata
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
- Department of Health Sciences and Technology (D-HEST), ETH Zurich, Zurich, Switzerland
| | - Daniela Brina
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Isabella Giacomini
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Beatrice Rizzo
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
- Veneto Institute of Oncology IOV - IRCCS, Padova, Italy
| | - Alessandra Pierantoni
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
- Institute for Research on Cancer and Aging, Nice, France
| | - Saman Sharifi
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Medicine, University of Padova, Padova, Italy
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Silvia Bressan
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Claudia Altomare
- Cardiovascular Theranostics, Istituto Cardiocentro Ticino, Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biomedical Sciences, Euler Institute, Università della Svizzera Italiana, Lugano, Switzerland
| | - Yulia Goshovska
- Cardiovascular Theranostics, Istituto Cardiocentro Ticino, Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biomedical Sciences, Euler Institute, Università della Svizzera Italiana, Lugano, Switzerland
| | - Chiara Giraudo
- Department of Medicine, University of Padova, Padova, Italy
- Department of Cardiac, Thoracic, Vascular Sciences and Public Health - DCTV, University of Padova, Padova, Italy
| | - Roberto Luisetto
- Department of Surgery, Oncology and Gastroenterology, University of Padova, Padova, Italy
| | - Luca Iaccarino
- Department of Medicine, University of Padova, Padova, Italy
| | - Cristina Torcasio
- Department of Medicine, Division of Nephrology, Ente Ospedaliero Cantonale, Lugano, Switzerland
- Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Simone Mosole
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Emiliano Pasquini
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Andrea Rinaldi
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Laura Pellegrini
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Gregorio Peron
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
- Department of Molecular and Translational Medicine, University of Brescia, Brescia, Italy
| | - Matteo Fassan
- Department of Medicine, University of Padova, Padova, Italy
- Veneto Institute of Oncology IOV - IRCCS, Padova, Italy
| | - Stefano Masiero
- Department of Neuroscience, Rehabilitation Unit, University of Padova, Padova, Italy
| | | | - Stefano Dall'Acqua
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy
| | - Johan Auwerx
- Laboratory of Integrative Systems Physiology, Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, Lausanne, Switzerland
| | - Pietro Cippà
- Università della Svizzera italiana, Lugano, Switzerland
- Department of Medicine, Division of Nephrology, Ente Ospedaliero Cantonale, Lugano, Switzerland
- Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
| | - Andrea Cavalli
- Università della Svizzera italiana, Lugano, Switzerland
- Institute for Research in Biomedicine, Università della Svizzera italiana, Bellinzona, Switzerland
| | - Marco Bolis
- Institute of Oncology Research (IOR), Bellinzona, Switzerland
- Università della Svizzera italiana, Lugano, Switzerland
| | - Marco Sandri
- Veneto Institute of Molecular Medicine, Padova, Italy
- Department of Biomedical Sciences, University of Padova, Padova, Italy
| | - Lucio Barile
- Cardiovascular Theranostics, Istituto Cardiocentro Ticino, Laboratories for Translational Research, Ente Ospedaliero Cantonale, Bellinzona, Switzerland
- Faculty of Biomedical Sciences, Euler Institute, Università della Svizzera Italiana, Lugano, Switzerland
| | - Monica Montopoli
- Veneto Institute of Molecular Medicine, Padova, Italy.
- Department of Pharmaceutical and Pharmacological Sciences, University of Padova, Padova, Italy.
| | - Andrea Alimonti
- Veneto Institute of Molecular Medicine, Padova, Italy.
- Department of Medicine, University of Padova, Padova, Italy.
- Institute of Oncology Research (IOR), Bellinzona, Switzerland.
- Università della Svizzera italiana, Lugano, Switzerland.
- Department of Health Sciences and Technology (D-HEST), ETH Zurich, Zurich, Switzerland.
- Oncology Institute of Southern Switzerland, Ente Ospedaliero Cantonale, Bellinzona, Switzerland.
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Felisbino K, Granzotti JG, Bello-Santos L, Guiloski IC. Nutrigenomics in Regulating the Expression of Genes Related to Type 2 Diabetes Mellitus. Front Physiol 2021; 12:699220. [PMID: 34366888 PMCID: PMC8334860 DOI: 10.3389/fphys.2021.699220] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Accepted: 06/27/2021] [Indexed: 12/13/2022] Open
Abstract
Nutrigenomics is the study of the gene-nutrient interaction and it indicates that some nutrients, called bioactive compounds, can mold the genetic expression or change the nucleotide chain. Polyphenols are secondary metabolites found in plants that are regularly consumed in functional foods and help prevent or delay the onset of type 2 diabetes mellitus (T2DM) and its complications. This article objected to review studies about the interaction of diet with polyphenols and Mediterranean diet in the expression of human genes related to T2DM. Resveratrol acts as an antioxidant, anti-inflammatory, and increases mitochondrial function. Regular consumption of quercetin resulted in improvement of hypertension and suppression of diabetes-induced vasoconstriction. Genistein also showed positive results in T2DM, such as increased cell mass and improved glucose tolerance and insulin levels. Catechins showed efficiency in inducing genes in triacylglycerol biosynthesis, inhibition of fatty acids and cholesterol, and resulting in their participation in mitigating complications of diabetes. Lastly, curcumin was demonstrated to be a protector of the pancreatic islets against streptozotocin-induced oxidative stress. Growing evidence suggest that bioactive compounds such as polyphenols have an important role in T2DM and the prevention and treatment of its complication, as they cause activation or inhibition of related genes.
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Affiliation(s)
- Karoline Felisbino
- Centro de Ensino Superior de Maringá (CESUMAR), Curitiba, Brazil
- Programa de Pós-graduação em Biotecnologia Aplicada à Saúde da Criança e do Adolescente, Faculdades Pequeno Príncipe, Curitiba, Brazil
- Instituto de Pesquisas Pelé Pequeno Príncipe, Curitiba, Brazil
| | | | | | - Izonete Cristina Guiloski
- Programa de Pós-graduação em Biotecnologia Aplicada à Saúde da Criança e do Adolescente, Faculdades Pequeno Príncipe, Curitiba, Brazil
- Instituto de Pesquisas Pelé Pequeno Príncipe, Curitiba, Brazil
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Antioxidant Effects and Mechanisms of Medicinal Plants and Their Bioactive Compounds for the Prevention and Treatment of Type 2 Diabetes: An Updated Review. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1356893. [PMID: 32148647 PMCID: PMC7042557 DOI: 10.1155/2020/1356893] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 12/31/2019] [Accepted: 01/16/2020] [Indexed: 12/14/2022]
Abstract
Diabetes mellitus is a metabolic disorder that majorly affects the endocrine gland, and it is symbolized by hyperglycemia and glucose intolerance owing to deficient insulin secretory responses and beta cell dysfunction. This ailment affects as many as 451 million people worldwide, and it is also one of the leading causes of death. In spite of the immense advances made in the development of orthodox antidiabetic drugs, these drugs are often considered not successful for the management and treatment of T2DM due to the myriad side effects associated with them. Thus, the exploration of medicinal herbs and natural products as therapeutic sources for the treatment of T2DM is promoted because they have little or no side effects. Bioactive molecules isolated from natural sources have been proven to lower blood glucose levels via regulating one or more of the following mechanisms: improvement of beta cell function, insulin resistance, glucose (re)absorption, and glucagon-like peptide-1 homeostasis. In recent times, the mechanisms of action of different bioactive molecules with antidiabetic properties and phytochemistry are gaining a lot of attention in the area of drug discovery. This review article presents an update of the findings from clinical research into medicinal plant therapy for T2DM.
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Gęgotek A, Jarocka-Karpowicz I, Skrzydlewska E. Synergistic Cytoprotective Effects of Rutin and Ascorbic Acid on the Proteomic Profile of 3D-Cultured Keratinocytes Exposed to UVA or UVB Radiation. Nutrients 2019; 11:nu11112672. [PMID: 31694226 PMCID: PMC6893536 DOI: 10.3390/nu11112672] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 10/25/2019] [Accepted: 10/29/2019] [Indexed: 12/17/2022] Open
Abstract
The combination of ascorbic acid and rutin, often used in oral preparations, due to antioxidant and anti-inflammatory properties, can be used to protect skin cells against the effects of UV radiation from sunlight. Therefore, the aim of this study was to investigate the synergistic effect of rutin and ascorbic acid on the proteomic profile of UVA and UVB irradiated keratinocytes cultured in a three-dimensional (3D) system. Results showed that the combination of rutin and ascorbic acid protects skin cells against UV-induced changes. In particular, alterations were observed in the expression of proteins involved in the antioxidant response, DNA repairing, inflammation, apoptosis, and protein biosynthesis. The combination of rutin and ascorbic acid also showed a stronger cytoprotective effect than when using either compound alone. Significant differences were visible between rutin and ascorbic acid single treatments in the case of protein carboxymethylation/carboxyethylation. Ascorbic acid prevented UV or rutin-induced protein modifications. Therefore, the synergistic effect of rutin and ascorbic acid creates a potentially effective protective system against skin damages caused by UVA and UVB radiation.
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Tian CJ, Zhen Z. Reactive Carbonyl Species: Diabetic Complication in the Heart and Lungs. Trends Endocrinol Metab 2019; 30:546-556. [PMID: 31253519 DOI: 10.1016/j.tem.2019.05.005] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 05/26/2019] [Accepted: 05/28/2019] [Indexed: 12/28/2022]
Abstract
Abnormal chemical reactions in hyperglycemia alter normal metabolic processes in diabetes, which is a key process in the production of reactive carbonyls species (RCS). Increasing the concentration of RCS may result in carbonyl/oxidative stress in both the diabetic heart and lung. Ryanodine receptors (RyRs) not only play a key role in heart contraction, including rhythmic contraction and relaxation of the heart, but they are also important for controlling the airway smooth muscle. RCS modifies RyRs, resulting in RyRs dysfunction, which is involved in important mechanisms in diabetic complications. Very little is known about the mechanistic relationship between the heart and lung in diabetes. This review highlights new findings on the pathophysiological mechanisms and discusses potential approaches to treatment for these complications.
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Affiliation(s)
- Cheng-Ju Tian
- College of Rehabilitation and Sports Medicine, Jinzhou Medical University, Jinzhou, Liaoning, 121001, China.
| | - Zhong Zhen
- Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China.
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6
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Involvement of growth factors in diabetes mellitus and its complications: A general review. Biomed Pharmacother 2018; 101:510-527. [DOI: 10.1016/j.biopha.2018.02.105] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2017] [Revised: 02/03/2018] [Accepted: 02/22/2018] [Indexed: 01/04/2023] Open
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Wu WT, Mong MC, Yang YC, Wang ZH, Yin MC. Aqueous and Ethanol Extracts of Daylily Flower (Hemerocallis fulva
L.) Protect HUVE Cells Against High Glucose. J Food Sci 2018; 83:1463-1469. [DOI: 10.1111/1750-3841.14137] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2018] [Revised: 02/05/2018] [Accepted: 03/04/2018] [Indexed: 11/30/2022]
Affiliation(s)
- Wen-Tzu Wu
- Dept. of Food Nutrition and Health Biotechnology; Asia Univ.; Taichung City Taiwan
| | - Mei-chin Mong
- Dept. of Food Nutrition and Health Biotechnology; Asia Univ.; Taichung City Taiwan
| | - Ya-chen Yang
- Dept. of Food Nutrition and Health Biotechnology; Asia Univ.; Taichung City Taiwan
| | - Zhi-hong Wang
- Dept. of Food Nutrition and Health Biotechnology; Asia Univ.; Taichung City Taiwan
| | - Mei-chin Yin
- Dept. of Food Nutrition and Health Biotechnology; Asia Univ.; Taichung City Taiwan
- Dept. of Medical Research, China Medical Univ. Hospital; China Medical Univ.; Taichung City Taiwan
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Sosnowska B, Mazidi M, Penson P, Gluba-Brzózka A, Rysz J, Banach M. The sirtuin family members SIRT1, SIRT3 and SIRT6: Their role in vascular biology and atherogenesis. Atherosclerosis 2017; 265:275-282. [DOI: 10.1016/j.atherosclerosis.2017.08.027] [Citation(s) in RCA: 94] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2017] [Revised: 08/11/2017] [Accepted: 08/23/2017] [Indexed: 12/17/2022]
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The Inhibitory Effects of Purple Sweet Potato Color on Hepatic Inflammation Is Associated with Restoration of NAD⁺ Levels and Attenuation of NLRP3 Inflammasome Activation in High-Fat-Diet-Treated Mice. Molecules 2017; 22:molecules22081315. [PMID: 28786950 PMCID: PMC6152044 DOI: 10.3390/molecules22081315] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Accepted: 08/03/2017] [Indexed: 01/13/2023] Open
Abstract
Purple sweet potato color (PSPC), a class of naturally occurring anthocyanins, exhibits beneficial effects on metabolic syndrome. Sustained inflammation plays a crucial role in the pathogenesis of metabolic syndrome. Here we explored the effects of PSPC on high-fat diet (HFD)-induced hepatic inflammation and the mechanisms underlying these effects. Mice were divided into four groups: Control group, HFD group, HFD + PSPC group, and PSPC group. PSPC was administered by daily oral gavage at doses of 700 mg/kg/day for 20 weeks. Nicotinamide riboside (NR) was used to increase NAD⁺ levels. Our results showed that PSPC effectively ameliorated obesity and liver injuries in HFD-fed mice. Moreover, PSPC notably blocked hepatic oxidative stress in HFD-treated mice. Furthermore, PSPC dramatically restored NAD⁺ level to abate endoplasmic reticulum stress (ER stress) in HFD-treated mouse livers, which was confirmed by NR treatment. Consequently, PSPC remarkably suppressed the nuclear factor-κB (NF-κB) p65 nuclear translocation and nucleotide oligomerization domain protein1/2 (NOD1/2) signaling in HFD-treated mouse livers. Thereby, PSPC markedly diminished the NLR family, pyrin domain containing 3 (NLRP3) inflammasome activation, ultimately lowering the expressions of inflammation-related genes in HFD-treated mouse livers. In summary, PSPC protected against HFD-induced hepatic inflammation by boosting NAD⁺ level to inhibit NLRP3 inflammasome activation.
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Zhang H, Zhao Z, Pang X, Yang J, Yu H, Zhang Y, Zhou H, Zhao J. MiR-34a/sirtuin-1/foxo3a is involved in genistein protecting against ox-LDL-induced oxidative damage in HUVECs. Toxicol Lett 2017; 277:115-122. [DOI: 10.1016/j.toxlet.2017.07.216] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Revised: 05/31/2017] [Accepted: 07/04/2017] [Indexed: 12/31/2022]
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Zheng H, Wu J, Jin Z, Yan LJ. Potential Biochemical Mechanisms of Lung Injury in Diabetes. Aging Dis 2017; 8:7-16. [PMID: 28203478 PMCID: PMC5287388 DOI: 10.14336/ad.2016.0627] [Citation(s) in RCA: 56] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2016] [Accepted: 06/27/2016] [Indexed: 12/17/2022] Open
Abstract
Accumulating evidence has shown that the lung is one of the target organs for microangiopathy in patients with either type 1 or type 2 diabetes mellitus (DM). Diabetes is associated with physiological and structural abnormalities in the diabetic lung concurrent with attenuated lung function. Despite intensive investigations in recent years, the pathogenic mechanisms of diabetic lung injury remain largely elusive. In this review, we summarize currently postulated mechanisms of diabetic lung injury. We mainly focus on the pathogenesis of diabetic lung injury that implicates key pathways, including oxidative stress, non-enzymatic protein glycosylation, polyol pathway, NF-κB pathway, and protein kinase c pathway. We also highlight that while numerous studies have mainly focused on tissue or cell damage in the lung, studies focusing on mitochondrial dysfunction in the diabetic lung have remained sketchy. Hence, further understanding of mitochondrial mechanisms of diabetic lung injury should provide invaluable insights into future therapeutic approaches for diabetic lung injury.
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Affiliation(s)
- Hong Zheng
- 1Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX 76107, USA; 2Department of Basic Theory of Traditional Chinese Medicine, College of Basic Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong Province, 250355, China
| | - Jinzi Wu
- 1Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX 76107, USA
| | - Zhen Jin
- 1Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX 76107, USA
| | - Liang-Jun Yan
- 1Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX 76107, USA
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Boslett J, Hemann C, Zhao YJ, Lee HC, Zweier JL. Luteolinidin Protects the Postischemic Heart through CD38 Inhibition with Preservation of NAD(P)(H). J Pharmacol Exp Ther 2017; 361:99-108. [PMID: 28108596 DOI: 10.1124/jpet.116.239459] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Accepted: 01/17/2017] [Indexed: 12/27/2022] Open
Abstract
We recently showed that ischemia/reperfusion (I/R) of the heart causes CD38 activation with resultant depletion of the cardiac NADP(H) pool, which is most marked in the endothelium. This NADP(H) depletion was shown to limit the production of nitric oxide by endothelial nitric oxide synthase (eNOS), which requires NADPH for nitric oxide production, resulting in greatly altered endothelial function. Therefore, intervention with CD38 inhibitors could reverse postischemic eNOS-mediated endothelial dysfunction. Here, we evaluated the potency of the CD38 inhibitor luteolinidin, an anthocyanidin, at blocking CD38 activity and preserving endothelial and myocardial function in the postischemic heart. Initially, we characterized luteolinidin as a CD38 inhibitor in vitro to determine its potency and mechanism of inhibition. We then tested luteolinidin in the ex vivo isolated heart model, where we determined luteolinidin uptake with aqueous and liposomal delivery methods. Optimal delivery methods were then further tested to determine the effect of luteolinidin on postischemic NAD(P)(H) and tetrahydrobiopterin levels. Finally, through nitric oxide synthase-dependent coronary flow and left ventricular functional measurements, we evaluated the efficacy of luteolinidin to protect vascular and contractile function, respectively, after I/R. With enhanced postischemic preservation of NADPH and tetrahydrobiopterin, there was a dose-dependent effect of luteolinidin on increasing recovery of endothelium-dependent vasodilatory function, as well as enhancing the recovery of left ventricular contractile function with increased myocardial salvage. Thus, luteolinidin is a potent CD38 inhibitor that protects the heart against I/R injury with preservation of eNOS function and prevention of endothelial dysfunction.
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Affiliation(s)
- James Boslett
- Department of Internal Medicine, Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, Columbus, Ohio (J.B., C.H., J.L.Z.); and Laboratory of Cytophysiology, Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, China (Y.J.Z., H.-C.L.)
| | - Craig Hemann
- Department of Internal Medicine, Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, Columbus, Ohio (J.B., C.H., J.L.Z.); and Laboratory of Cytophysiology, Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, China (Y.J.Z., H.-C.L.)
| | - Yong Juan Zhao
- Department of Internal Medicine, Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, Columbus, Ohio (J.B., C.H., J.L.Z.); and Laboratory of Cytophysiology, Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, China (Y.J.Z., H.-C.L.)
| | - Hon-Cheung Lee
- Department of Internal Medicine, Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, Columbus, Ohio (J.B., C.H., J.L.Z.); and Laboratory of Cytophysiology, Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, China (Y.J.Z., H.-C.L.)
| | - Jay L Zweier
- Department of Internal Medicine, Davis Heart and Lung Research Institute, College of Medicine, The Ohio State University, Columbus, Ohio (J.B., C.H., J.L.Z.); and Laboratory of Cytophysiology, Key Laboratory of Chemical Genomics, Peking University Shenzhen Graduate School, Shenzhen, China (Y.J.Z., H.-C.L.)
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Wu J, Jin Z, Yan LJ. Redox imbalance and mitochondrial abnormalities in the diabetic lung. Redox Biol 2016; 11:51-59. [PMID: 27888691 PMCID: PMC5124358 DOI: 10.1016/j.redox.2016.11.003] [Citation(s) in RCA: 56] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 11/02/2016] [Indexed: 12/21/2022] Open
Abstract
Although the lung is one of the least studied organs in diabetes, increasing evidence indicates that it is an inevitable target of diabetic complications. Nevertheless, the underlying biochemical mechanisms of lung injury in diabetes remain largely unexplored. Given that redox imbalance, oxidative stress, and mitochondrial dysfunction have been implicated in diabetic tissue injury, we set out to investigate mechanisms of lung injury in diabetes. The objective of this study was to evaluate NADH/NAD+ redox status, oxidative stress, and mitochondrial abnormalities in the diabetic lung. Using STZ induced diabetes in rat as a model, we measured redox-imbalance related parameters including aldose reductase activity, level of poly ADP ribose polymerase (PAPR-1), NAD+ content, NADPH content, reduced form of glutathione (GSH), and glucose 6-phophate dehydrogenase (G6PD) activity. For assessment of mitochondrial abnormalities in the diabetic lung, we measured the activities of mitochondrial electron transport chain complexes I to IV and complex V as well as dihydrolipoamide dehydrogenase (DLDH) content and activity. We also measured the protein content of NAD+ dependent enzymes such as sirtuin3 (sirt3) and NAD(P)H: quinone oxidoreductase 1 (NQO1). Our results demonstrate that NADH/NAD+ redox imbalance occurs in the diabetic lung. This redox imbalance upregulates the activities of complexes I to IV, but not complex V; and this upregulation is likely the source of increased mitochondrial ROS production, oxidative stress, and cell death in the diabetic lung. These results, together with the findings that the protein contents of DLDH, sirt3, and NQO1 all are decreased in the diabetic lung, demonstrate that redox imbalance, mitochondrial abnormality, and oxidative stress contribute to lung injury in diabetes.
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Affiliation(s)
- Jinzi Wu
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX 76107, United States
| | - Zhen Jin
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX 76107, United States
| | - Liang-Jun Yan
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX 76107, United States.
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Tang Z, Li M, Zhang X, Hou W. Dietary flavonoid intake and the risk of stroke: a dose-response meta-analysis of prospective cohort studies. BMJ Open 2016; 6:e008680. [PMID: 27279473 PMCID: PMC4908865 DOI: 10.1136/bmjopen-2015-008680] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
OBJECTIVE To clarify and quantify the potential association between intake of flavonoids and risk of stroke. DESIGN Meta-analysis of prospective cohort studies. DATA SOURCE Studies published before January 2016 identified through electronic searches using PubMed, Embase and the Cochrane Library. ELIGIBILITY CRITERIA FOR SELECTING STUDIES Prospective cohort studies with relative risks and 95% CIs for stroke according to intake of flavonoids (assessed as dietary intake). RESULTS The meta-analysis yielded 11 prospective cohort studies involving 356 627 participants and more than 5154 stroke cases. The pooled estimate of the multivariate relative risk of stroke for the highest compared with the lowest dietary flavonoid intake was 0.89 (95% CI 0.82 to 0.97; p=0.006). Dose-response analysis indicated that the summary relative risk of stroke for an increase of 100 mg flavonoids consumed per day was 0.91 (95% CI 0.77 to 1.08) without heterogeneity among studies (I(2)=0%). Stratifying by follow-up duration, the relative risk of stroke for flavonoid intake was 0.89 (95% CI 0.81 to 0.99) in studies with more than 10 years of follow-up. CONCLUSIONS Results from this meta-analysis suggest that higher dietary flavonoid intake may moderately lower the risk of stroke.
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Affiliation(s)
- Zhenyu Tang
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, People's Republic of China
| | - Min Li
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, People's Republic of China
| | - Xiaowei Zhang
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, People's Republic of China
| | - Wenshang Hou
- Department of Neurology, The Second Affiliated Hospital of Nanchang University, Nanchang, Jiangxi Province, People's Republic of China
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15
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Zheng H, Wu J, Jin Z, Yan LJ. Protein Modifications as Manifestations of Hyperglycemic Glucotoxicity in Diabetes and Its Complications. BIOCHEMISTRY INSIGHTS 2016; 9:1-9. [PMID: 27042090 PMCID: PMC4807886 DOI: 10.4137/bci.s36141] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/15/2016] [Revised: 02/25/2016] [Accepted: 02/27/2016] [Indexed: 02/07/2023]
Abstract
Diabetes and its complications are hyperglycemic toxicity diseases. Many metabolic pathways in this array of diseases become aberrant, which is accompanied with a variety of posttranslational protein modifications that in turn reflect diabetic glucotoxicity. In this review, we summarize some of the most widely studied protein modifications in diabetes and its complications. These modifications include glycation, carbonylation, nitration, cysteine S-nitrosylation, acetylation, sumoylation, ADP-ribosylation, O-GlcNAcylation, and succination. All these posttranslational modifications can be significantly attributed to oxidative stress and/or carbon stress induced by diabetic redox imbalance that is driven by activation of pathways, such as the polyol pathway and the ADP-ribosylation pathway. Exploring the nature of these modifications should facilitate our understanding of the pathological mechanisms of diabetes and its associated complications.
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Affiliation(s)
- Hong Zheng
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, UNT Health Science Center, Fort Worth, TX, USA.; Department of Basic Theory of Traditional Chinese Medicine, College of Basic Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Jinzi Wu
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, UNT Health Science Center, Fort Worth, TX, USA
| | - Zhen Jin
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, UNT Health Science Center, Fort Worth, TX, USA
| | - Liang-Jun Yan
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, UNT Health Science Center, Fort Worth, TX, USA
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16
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Zhang HP, Zhao JH, Yu HX, Guo DX. Genistein ameliorated endothelial nitric oxidase synthase uncoupling by stimulating sirtuin-1 pathway in ox-LDL-injured HUVECs. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2016; 42:118-124. [PMID: 26829290 DOI: 10.1016/j.etap.2016.01.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Revised: 01/12/2016] [Accepted: 01/14/2016] [Indexed: 06/05/2023]
Abstract
Endothelial nitric oxidase synthase (eNOS) uncoupling plays a causal role in endothelial dysfunction in atherosclerosis. Genistein consumption has been associated with the prevention of atherosclerosis. However, the effect of genistein on eNOS uncoupling has not been reported. A model of oxidized low-density lipoprotein (ox-LDL)-induced injury on human umbilical vein endothelial cells (HUVECs) was established to evaluate the effect of genistein on eNOS uncoupling. We investigated the effect of genistein on NADPH oxidase-dependent superoxide production, NOX4 expression, BH4 synthesis and oxidation, the expression of GTP cyclohydrolase 1 (GCH1) and dihydrofolate reductase (DHFR). The results showed that genistein decreased superoxide production and NOX4 expression, enhanced the ratio of BH4/BH2, augmented the expressions of GCH1 and DHFR. Accompanied with genistein ameliorating eNOS uncoupling, genistein elevated the expression of sirtuin-1; furthermore, the effects of genistein on eNOS uncoupling were blunted with sirtuin-1 siRNA. The present study indicated that genistein ameliorated eNOS uncoupling was concerned with sirtuin-1 pathway in ox-LDL-injured HUVECs.
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Affiliation(s)
- Hua-ping Zhang
- Key Laboratory of Cellular Physiology, Ministry of Education, Shanxi Medical University, Taiyuan, Shanxi 030001, PR China.
| | - Jia-hui Zhao
- Key Laboratory of Cellular Physiology, Ministry of Education, Shanxi Medical University, Taiyuan, Shanxi 030001, PR China
| | - Hai-xia Yu
- Key Laboratory of Cellular Physiology, Ministry of Education, Shanxi Medical University, Taiyuan, Shanxi 030001, PR China
| | - Dong-xing Guo
- Department of Pharmacology, School of Basic Medical Sciences, Shanxi Medical University, Taiyuan, Shanxi 030001, PR China
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Wu J, Jin Z, Zheng H, Yan LJ. Sources and implications of NADH/NAD(+) redox imbalance in diabetes and its complications. Diabetes Metab Syndr Obes 2016; 9:145-53. [PMID: 27274295 PMCID: PMC4869616 DOI: 10.2147/dmso.s106087] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
NAD(+) is a fundamental molecule in metabolism and redox signaling. In diabetes and its complications, the balance between NADH and NAD(+) can be severely perturbed. On one hand, NADH is overproduced due to influx of hyperglycemia to the glycolytic and Krebs cycle pathways and activation of the polyol pathway. On the other hand, NAD(+) can be diminished or depleted by overactivation of poly ADP ribose polymerase that uses NAD(+) as its substrate. Moreover, sirtuins, another class of enzymes that also use NAD(+) as their substrate for catalyzing protein deacetylation reactions, can also affect cellular content of NAD(+). Impairment of NAD(+) regeneration enzymes such as lactate dehydrogenase in erythrocytes and complex I in mitochondria can also contribute to NADH accumulation and NAD(+) deficiency. The consequence of NADH/NAD(+) redox imbalance is initially reductive stress that eventually leads to oxidative stress and oxidative damage to macromolecules, including DNA, lipids, and proteins. Accordingly, redox imbalance-triggered oxidative damage has been thought to be a major factor contributing to the development of diabetes and its complications. Future studies on restoring NADH/NAD(+) redox balance could provide further insights into design of novel antidiabetic strategies.
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Affiliation(s)
- Jinzi Wu
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Zhen Jin
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX, USA
| | - Hong Zheng
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX, USA
- Department of Basic Theory of Traditional Chinese Medicine, College of Basic Medicine, Shandong University of Traditional Chinese Medicine, Jinan, People’s Republic of China
| | - Liang-Jun Yan
- Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, Fort Worth, TX, USA
- Correspondence: Liang-Jun Yan, Department of Pharmaceutical Sciences, UNT System College of Pharmacy, University of North Texas Health Science Center, 3500 Camp Bowie Boulevard, Fort Worth, TX 76107, USA, Tel +1 817 735 2386, Fax +1 817 735 2603, Email
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