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Bayo Jimenez MT, Frenis K, Kröller-Schön S, Kuntic M, Stamm P, Kvandová M, Oelze M, Li H, Steven S, Münzel T, Daiber A. Noise-Induced Vascular Dysfunction, Oxidative Stress, and Inflammation Are Improved by Pharmacological Modulation of the NRF2/HO-1 Axis. Antioxidants (Basel) 2021; 10:antiox10040625. [PMID: 33921821 PMCID: PMC8073373 DOI: 10.3390/antiox10040625] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 04/10/2021] [Accepted: 04/12/2021] [Indexed: 12/24/2022] Open
Abstract
Vascular oxidative stress, inflammation, and subsequent endothelial dysfunction are consequences of traditional cardiovascular risk factors, all of which contribute to cardiovascular disease. Environmental stressors, such as traffic noise and air pollution, may also facilitate the development and progression of cardiovascular and metabolic diseases. In our previous studies, we investigated the influence of aircraft noise exposure on molecular mechanisms, identifying oxidative stress and inflammation as central players in mediating vascular function. The present study investigates the role of heme oxygenase-1 (HO-1) as an antioxidant response preventing vascular consequences following exposure to aircraft noise. C57BL/6J mice were treated with the HO-1 inducer hemin (25 mg/kg i.p.) or the NRF2 activator dimethyl fumarate (DMF, 20 mg/kg p.o.). During therapy, the animals were exposed to noise at a maximum sound pressure level of 85 dB(A) and a mean sound pressure level of 72 dB(A). Our data showed a marked protective effect of both treatments on animals exposed to noise for 4 days by normalization of arterial hypertension and vascular dysfunction in the noise-exposed groups. We observed a partial normalization of noise-triggered oxidative stress and inflammation by hemin and DMF therapy, which was associated with HO-1 induction. The present study identifies possible new targets for the mitigation of the adverse health effects caused by environmental noise exposure. Since natural dietary constituents can achieve HO-1 and NRF2 induction, these pathways represent promising targets for preventive measures.
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Affiliation(s)
- Maria Teresa Bayo Jimenez
- Department of Cardiology, Cardiology I, University Medical Center of the Johannes Gutenberg-University, Langenbeckstraße 1, 55131 Mainz, Germany; (M.T.B.J.); (K.F.); (S.K.-S.); (M.K.); (P.S.); (M.K.); (M.O.); (T.M.)
| | - Katie Frenis
- Department of Cardiology, Cardiology I, University Medical Center of the Johannes Gutenberg-University, Langenbeckstraße 1, 55131 Mainz, Germany; (M.T.B.J.); (K.F.); (S.K.-S.); (M.K.); (P.S.); (M.K.); (M.O.); (T.M.)
| | - Swenja Kröller-Schön
- Department of Cardiology, Cardiology I, University Medical Center of the Johannes Gutenberg-University, Langenbeckstraße 1, 55131 Mainz, Germany; (M.T.B.J.); (K.F.); (S.K.-S.); (M.K.); (P.S.); (M.K.); (M.O.); (T.M.)
| | - Marin Kuntic
- Department of Cardiology, Cardiology I, University Medical Center of the Johannes Gutenberg-University, Langenbeckstraße 1, 55131 Mainz, Germany; (M.T.B.J.); (K.F.); (S.K.-S.); (M.K.); (P.S.); (M.K.); (M.O.); (T.M.)
| | - Paul Stamm
- Department of Cardiology, Cardiology I, University Medical Center of the Johannes Gutenberg-University, Langenbeckstraße 1, 55131 Mainz, Germany; (M.T.B.J.); (K.F.); (S.K.-S.); (M.K.); (P.S.); (M.K.); (M.O.); (T.M.)
| | - Miroslava Kvandová
- Department of Cardiology, Cardiology I, University Medical Center of the Johannes Gutenberg-University, Langenbeckstraße 1, 55131 Mainz, Germany; (M.T.B.J.); (K.F.); (S.K.-S.); (M.K.); (P.S.); (M.K.); (M.O.); (T.M.)
| | - Matthias Oelze
- Department of Cardiology, Cardiology I, University Medical Center of the Johannes Gutenberg-University, Langenbeckstraße 1, 55131 Mainz, Germany; (M.T.B.J.); (K.F.); (S.K.-S.); (M.K.); (P.S.); (M.K.); (M.O.); (T.M.)
| | - Huige Li
- Department of Pharmacology, University Medical Center of the Johannes Gutenberg-University, Langenbeckstraße 1, 55131 Mainz, Germany;
| | - Sebastian Steven
- Department of Cardiology, Cardiology I, University Medical Center of the Johannes Gutenberg-University, Langenbeckstraße 1, 55131 Mainz, Germany; (M.T.B.J.); (K.F.); (S.K.-S.); (M.K.); (P.S.); (M.K.); (M.O.); (T.M.)
- Correspondence: (S.S.); (A.D.)
| | - Thomas Münzel
- Department of Cardiology, Cardiology I, University Medical Center of the Johannes Gutenberg-University, Langenbeckstraße 1, 55131 Mainz, Germany; (M.T.B.J.); (K.F.); (S.K.-S.); (M.K.); (P.S.); (M.K.); (M.O.); (T.M.)
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, 55131 Mainz, Germany
| | - Andreas Daiber
- Department of Cardiology, Cardiology I, University Medical Center of the Johannes Gutenberg-University, Langenbeckstraße 1, 55131 Mainz, Germany; (M.T.B.J.); (K.F.); (S.K.-S.); (M.K.); (P.S.); (M.K.); (M.O.); (T.M.)
- German Center for Cardiovascular Research (DZHK), Partner Site Rhine-Main, 55131 Mainz, Germany
- Correspondence: (S.S.); (A.D.)
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Ferroptosis contributes to isoflurane-induced neurotoxicity and learning and memory impairment. Cell Death Dis 2021; 7:72. [PMID: 33828088 PMCID: PMC8027876 DOI: 10.1038/s41420-021-00454-8] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 02/21/2021] [Accepted: 03/18/2021] [Indexed: 02/02/2023]
Abstract
Ferroptosis is a novel type of programmed cell death, which is different from apoptosis and autophagic cell death. Recently, ferroptosis has been indicated to contribute to the in vitro neurotoxicity induced by isoflurane, which is one of the most common anesthetics in clinic. However, the in vivo position of ferroptosis in isoflurane-induced neurotoxicity as well as learning and memory impairment remains unclear. In this study, we mainly explored the relationship between ferroptosis and isoflurane-induced learning and memory, as well as the therapeutic methods in mouse model. Our results indicated that isoflurane induced the ferroptosis in a dose-dependent and time-dependent manner in hippocampus, the organ related with learning and memory ability. In addition, the activity of cytochrome c oxidase/Complex IV in mitochondrial electron transport chain (ETC) was increased by isoflurane, which might further contributed to cysteine deprivation-induced ferroptosis caused by isoflurane exposure. More importantly, isoflurane-induced ferroptosis could be rescued by both ferroptosis inhibitor (ferrostatin-1) and mitochondria activator (dimethyl fumarate), which also showed effective therapeutic action against isoflurane-induced learning and memory impairment. Taken together, our data indicate the close association among ferroptosis, mitochondria and isoflurane, and provide a novel insight into the therapy mode against isoflurane-induced learning and memory impairment.
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Dipeptidyl-peptidase 3 protects oxygen-glucose deprivation/reoxygenation-injured hippocampal neurons by suppressing apoptosis, oxidative stress and inflammation via modulation of Keap1/Nrf2 signaling. Int Immunopharmacol 2021; 96:107595. [PMID: 33812256 DOI: 10.1016/j.intimp.2021.107595] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 02/21/2021] [Accepted: 03/15/2021] [Indexed: 12/14/2022]
Abstract
Dipeptidyl-peptidase 3 (DPP3) plays a key role in regulating apoptosis, oxidative stress and inflammation under various pathological conditions, however, whether DPP3 regulates apoptosis and oxidative stress in neurons undergoing cerebral ischemia/reperfusion injury has not yet been well studied. The goals of this work were to evaluate the role of DPP3 in the regulation of oxygen-glucose deprivation/reoxygenation (OGD/R)-induced apoptosis, oxidative stress and inflammation in HT22 hippocampal neurons. Here, we showed that DPP3 expression was elevated in response to OGD/R in neurons. Knockdown of DPP3 exacerbated OGD/R-induced apoptosis, oxidative stress and inflammation, whilst up-regulation of DPP3 alleviated OGD/R-induced apoptosis, oxidative stress and inflammation in HT22 neurons. Further results revealed that DPP3 enhanced the nuclear translocation of nuclear factor erythroid 2-related factor 2 (Nrf2) and promoted transcriptional activity of the anti-oxidant response element (ARE). Additionally, DPP3 was shown to regulate Nrf2/ARE activation in a kelch-like ECH-associated protein 1 (Keap1)-dependent manner. Notably, inhibition of Nrf2 markedly reversed the DPP3-mediated neuroprotective effects against OGD/R injury. Taken together, these findings demonstrate that DPP3 exerts a neuroprotective role in OGD/R-injured neurons by suppressing neuronal apoptosis, oxidative stress and inflammation via modulation of Keap1/Nrf2 signaling. This work suggests DPP3 as a potential target for providing neuroprotective effects during cerebral ischemia/reperfusion injury.
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Dimethyl Fumarate, an Approved Multiple Sclerosis Treatment, Reduces Brain Oxidative Stress in SIV-Infected Rhesus Macaques: Potential Therapeutic Repurposing for HIV Neuroprotection. Antioxidants (Basel) 2021; 10:antiox10030416. [PMID: 33803289 PMCID: PMC7998206 DOI: 10.3390/antiox10030416] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Revised: 03/01/2021] [Accepted: 03/05/2021] [Indexed: 12/16/2022] Open
Abstract
Dimethyl fumarate (DMF), an antioxidant/anti-inflammatory drug approved for the treatment of multiple sclerosis, induces antioxidant enzymes, in part through transcriptional upregulation. We hypothesized that DMF administration to simian immunodeficiency virus (SIV)-infected rhesus macaques would induce antioxidant enzyme expression and reduce oxidative injury and inflammation throughout the brain. Nine SIV-infected, CD8+-T-lymphocyte-depleted rhesus macaques were studied. Five received oral DMF prior to the SIV infection and through to the necropsy day. Protein expression was analyzed in 11 brain regions, as well as the thymus, liver, and spleen, using Western blot and immunohistochemistry for antioxidant, inflammatory, and neuronal proteins. Additionally, oxidative stress was determined in brain sections using immunohistochemistry (8-OHdG, 3NT) and optical redox imaging of oxidized flavoproteins containing flavin adenine dinucleotide (Fp) and reduced nicotinamide adenine dinucleotide (NADH). The DMF treatment was associated with no changes in virus replication; higher expressions of the antioxidant enzymes NQO1, GPX1, and HO-1 in the brain and PRDX1 and HO-2 in the spleen; lower levels of 8-OHdG and 3NT; a lower optical redox ratio. The DMF treatment was also associated with increased expressions of cell-adhesion molecules (VCAM-1, ICAM-1) and no changes in HLA-DR, CD68, GFAP, NFL, or synaptic proteins. The concordantly increased brain antioxidant enzyme expressions and reduced oxidative stress in DMF-treated SIV-infected macaques suggest that DMF could limit oxidative stress throughout the brain through effective induction of the endogenous antioxidant response. We propose that DMF could potentially induce neuroprotective brain responses in persons living with HIV.
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Jurcau A. The Role of Natural Antioxidants in the Prevention of Dementia-Where Do We Stand and Future Perspectives. Nutrients 2021; 13:282. [PMID: 33498262 PMCID: PMC7909256 DOI: 10.3390/nu13020282] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Revised: 01/15/2021] [Accepted: 01/18/2021] [Indexed: 02/06/2023] Open
Abstract
Dementia, and especially Alzheimer's disease (AD), puts significant burden on global healthcare expenditure through its increasing prevalence. Research has convincingly demonstrated the implication of oxidative stress in the pathogenesis of dementia as well as of the conditions which increase the risk of developing dementia. However, drugs which target single pathways have so far failed in providing significant neuroprotection. Natural antioxidants, due to their effects in multiple pathways through which oxidative stress leads to neurodegeneration and triggers neuroinflammation, could prove valuable weapons in our fight against dementia. Although efficient in vitro and in animal models of AD, natural antioxidants in human trials have many drawbacks related to the limited bioavailability, unknown optimal dose, or proper timing of the treatment. Nonetheless, trials evaluating several of these natural compounds are ongoing, as are attempts to modify these compounds to achieve improved bioavailability.
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Affiliation(s)
- Anamaria Jurcau
- Department of Psycho-Neurosciences and Rehabilitation, Faculty of Medicine and Pharmacy, University of Oradea, nr 1 Universitatii Street, 410087 Oradea, Romania;
- Neurology Ward, Clinical Municipal Hospital “Dr. G. Curteanu”, nr 12 Corneliu Coposu Street, 410469 Oradea, Romania
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Liu P, Gao Q, Guan L, Sheng W, Hu Y, Gao T, Jiang J, Xu Y, Qiao H, Xue X, Liu S, Li T. Atorvastatin Attenuates Isoflurane-Induced Activation of ROS-p38MAPK/ATF2 Pathway, Neuronal Degeneration, and Cognitive Impairment of the Aged Mice. Front Aging Neurosci 2021; 12:620946. [PMID: 33519423 PMCID: PMC7840608 DOI: 10.3389/fnagi.2020.620946] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 12/22/2020] [Indexed: 12/21/2022] Open
Abstract
Isoflurane, a widely used volatile anesthetic, induces neuronal apoptosis and memory impairments in various animal models. However, the potential mechanisms and effective pharmacologic agents are still not fully understood. The p38MAPK/ATF-2 pathway has been proved to regulate neuronal cell survival and inflammation. Besides, atorvastatin, a 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitor, exerts neuroprotective effects. Thus, this study aimed to explore the influence of atorvastatin on isoflurane-induced neurodegeneration and underlying mechanisms. Aged C57BL/6 mice (20 months old) were exposed to isoflurane (1.5%) anesthesia for 6 h. Atorvastatin (5, 10, or 20 mg/kg body weight) was administered to the mice for 7 days. Atorvastatin attenuated the isoflurane-induced generation of ROS and apoptosis. Western blotting revealed a decrease in cleaved caspase-9 and caspase-3 expression in line with ROS levels. Furthermore, atorvastatin ameliorated the isoflurane-induced activation of p38MAPK/ATF-2 signaling. In a cellular study, we proved that isoflurane could induce oxidative stress and inflammation by activating the p38MAPK/ATF-2 pathway in BV-2 microglia cells. In addition, SB203580, a selected p38MAPK inhibitor, inhibited the isoflurane-induced inflammation, oxidative stress, and apoptosis. The results implied that p38MAPK/ATF-2 was a potential target for the treatment of postoperative cognitive dysfunction.
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Affiliation(s)
- Pengfei Liu
- Department of Anesthesiology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Quansheng Gao
- Department of Operational Medicine, Tianjin Institute of Environmental and Operational Medicine, Tianjin, China
| | - Lei Guan
- Department of Anesthesiology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Weixuan Sheng
- Department of Anesthesiology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Yanting Hu
- Department of Anesthesiology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Teng Gao
- Department of Anesthesiology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Jingwen Jiang
- Department of Anesthesiology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Yongxing Xu
- Department of Nephrology, Chinese PLA Strategic Support Force Characteristic Medical Center, Beijing, China
| | - Hui Qiao
- Department of Anesthesiology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Xinying Xue
- Department of Respiratory and Critical Care, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
| | - Sanhong Liu
- Institute of Interdisciplinary Integrative Medicine Research, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Tianzuo Li
- Department of Anesthesiology, Beijing Shijitan Hospital, Capital Medical University, Beijing, China
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Lanza M, Casili G, Torre GLL, Giuffrida D, Rotondo A, Esposito E, Ardizzone A, Rando R, Bartolomeo G, Albergamo A, Vadalà R, Salvo A. Properties of a New Food Supplement Containing Actinia equina Extract. Antioxidants (Basel) 2020; 9:antiox9100945. [PMID: 33019631 PMCID: PMC7600189 DOI: 10.3390/antiox9100945] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2020] [Revised: 09/21/2020] [Accepted: 09/28/2020] [Indexed: 01/02/2023] Open
Abstract
Marine species represent a great source of biologically active substances; Actinia equina (AE), an Anthozoa Cnidaria belonging to the Actinidiae family, have been proposed as original food and have already been included in several cooking recipes in local Mediterranean shores, and endowed with excellent nutraceutical potential. The aim of this study was to investigate some unexplored features of AE, through analytical screening and an in-vitro and in-vivo model. An in-vitro study, made on RAW 264.7 stimulated with H2O2, showed that the pre-treatment with AE exerted an antioxidant action, reducing lipid peroxidation and up-regulating antioxidant enzymes. On the other hand, the in-vivo study over murine model demonstrated that the administration of AE extracts is able to reduce the carrageenan (CAR)-induced paw edema. Furthermore, the histological damage due to the neutrophil infiltration is prevented, and this highlights precious anti-inflammatory features of the interesting food-stuff. Moreover, it was assessed that AE extract modulated nuclear factor kappa-light-chain-enhancer of activated B cells (NF-kB) and The nuclear factor erythroid 2-related factor 2 (Nrf-2) pathways. In conclusion, our data demonstrated that thanks to the antioxidant and anti-inflammatory properties, AE extract could be used as a new food supplement for inflammatory pathology prevention.
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Affiliation(s)
- Marika Lanza
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres 3, 98166 Messina, Italy; (M.L.); (G.C.); (A.A.)
| | - Giovanna Casili
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres 3, 98166 Messina, Italy; (M.L.); (G.C.); (A.A.)
| | - Giovanna Loredana La Torre
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Polo Universitario Annunziata, 98168 Messina, Italy; (G.L.L.T.); (A.R.); (R.R.); (G.B.); (A.A.); (R.V.)
| | - Daniele Giuffrida
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Polo Universitario Annunziata, 98168 Messina, Italy; (G.L.L.T.); (A.R.); (R.R.); (G.B.); (A.A.); (R.V.)
- Correspondence: (D.G.); (E.E.); Tel.: +39-090-6765496 (D.G.); +39-090-6765212 (E.E.)
| | - Archimede Rotondo
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Polo Universitario Annunziata, 98168 Messina, Italy; (G.L.L.T.); (A.R.); (R.R.); (G.B.); (A.A.); (R.V.)
| | - Emanuela Esposito
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres 3, 98166 Messina, Italy; (M.L.); (G.C.); (A.A.)
- Correspondence: (D.G.); (E.E.); Tel.: +39-090-6765496 (D.G.); +39-090-6765212 (E.E.)
| | - Alessio Ardizzone
- Department of Chemical, Biological, Pharmaceutical and Environmental Sciences, University of Messina, Viale Ferdinando Stagno D’Alcontres 3, 98166 Messina, Italy; (M.L.); (G.C.); (A.A.)
| | - Rossana Rando
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Polo Universitario Annunziata, 98168 Messina, Italy; (G.L.L.T.); (A.R.); (R.R.); (G.B.); (A.A.); (R.V.)
| | - Giovanni Bartolomeo
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Polo Universitario Annunziata, 98168 Messina, Italy; (G.L.L.T.); (A.R.); (R.R.); (G.B.); (A.A.); (R.V.)
| | - Ambrogina Albergamo
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Polo Universitario Annunziata, 98168 Messina, Italy; (G.L.L.T.); (A.R.); (R.R.); (G.B.); (A.A.); (R.V.)
| | - Rossella Vadalà
- Department of Biomedical and Dental Sciences and Morphofunctional Imaging, University of Messina, Polo Universitario Annunziata, 98168 Messina, Italy; (G.L.L.T.); (A.R.); (R.R.); (G.B.); (A.A.); (R.V.)
| | - Andrea Salvo
- Department of Chemistry and Drug Technology, University of Roma La Sapienza, via P.le A. Moro 5, 00185 Roma, Italy;
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