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Osama HM, Khadrawy SM, El-Nahass ES, Othman SI, Mohamed HM. Eltroxin and Hesperidin mitigate testicular and renal damage in hypothyroid rats: amelioration of oxidative stress through PPARγ and Nrf2/HO-1 signaling pathway. Lab Anim Res 2024; 40:19. [PMID: 38745206 PMCID: PMC11092223 DOI: 10.1186/s42826-024-00204-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2023] [Revised: 04/22/2024] [Accepted: 04/28/2024] [Indexed: 05/16/2024] Open
Abstract
BACKGROUND Thyroid hormones (THs) regulate growth, development and function of different tissues. Hypothyroidism is a common clinical disorder characterized by deficiency in THs and adversely affects the development and functions of several organs. This work aimed to investigate the ameliorative effect of eltroxin (ELT), a hypothyroidism medication, and hesperidin (HSP), a flavonoid, against testicular and renal toxicity in hypothyroid rats. Twenty-four rats were divided into four groups and treated orally for 12 weeks. Group I (control), group II (hypothyroidism) received 20 mg/kg carbimazole (CBZ), group III received CBZ and 0.045 mg/kg ELT, and group IV received CBZ and 200 mg/kg HSP. RESULTS CBZ administration induced biochemical and histopathological changes in testis and kidney. Co-administration of ELT or HSP significantly (P < 0.05) ameliorated THs, reduced urea and creatinine while raised follicle stimulating hormone (FSH), Luteinizing hormone (LH), and testosterone in serum. Testicular and renal malondialdehyde level as a lipid peroxidation indicator, tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6) were significantly (P < 0.05) decreased while glutathione content, glutathione peroxidase, and glutathione-s-transferase activities were significantly (P < 0.05) increased. The histopathological changes were also diminished. Decreased mRNA and protein expressions of nuclear factor erythroid 2-related factor 2 (Nrf2), heme oxygenase-1 (HO-1), and peroxisome proliferator-activated receptor gamma(PPARγ) in hypothyroid rats were up-regulated after ELT or HSP treatment. CONCLUSIONS ELT and HSP showed antioxidant and anti-inflammatory effects against CBZ-induced testicular and renal toxicity, and these effects may be promoted via activating Nrf2/HO-1 and PPARγ signaling pathways.
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Affiliation(s)
- Hadeel M Osama
- Genetics and Molecular Biology Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
| | - Sally M Khadrawy
- Genetics and Molecular Biology Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt.
| | - El-Shaymaa El-Nahass
- Pathology Department, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, Egypt
| | - Sarah I Othman
- Biology Department, College of Science, Princess Nourah bint Abdulrahman University, P.O. BOX 84428, Riyadh, 11671, Saudi Arabia
| | - Hanaa M Mohamed
- Genetics and Molecular Biology Division, Zoology Department, Faculty of Science, Beni-Suef University, Beni-Suef, Egypt
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Hamouda HA, Sayed RH, Eid NI, El-Sayeh BM. Azilsartan Attenuates 3-Nitropropinoic Acid-Induced Neurotoxicity in Rats: The Role of IĸB/NF-ĸB and KEAP1/Nrf2 Signaling Pathways. Neurochem Res 2024; 49:1017-1033. [PMID: 38184805 PMCID: PMC10901959 DOI: 10.1007/s11064-023-04083-8] [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: 10/01/2023] [Revised: 12/01/2023] [Accepted: 12/05/2023] [Indexed: 01/08/2024]
Abstract
Huntington's disease (HD) is an autosomal-dominant neurodegenerative disorder characterized by motor, psychiatric and cognitive symptoms. Injection of 3-nitropropionic acid (3-NP) is a widely used experimental model for induction of HD. The current study aimed to inspect the potential neuroprotective properties of azilsartan (Azil), an angiotensin II type 1 receptor blocker (ATR1), in 3-NP-induced striatal neurotoxicity in rats. Rats were randomly allocated into five groups and treated for 14 days as follows: group I received normal saline; group II received Azil (10 mg/kg, p.o.); group III received 3-NP (10 mg/kg, i.p); group IV and V received Azil (5 or 10 mg/kg, p.o, respectively) 1 h prior to 3-NP injection. Both doses of Azil markedly attenuated motor and behavioural dysfunction as well as striatal histopathological alterations caused by 3-NP. In addition, Azil balanced striatal neurotransmitters levels as evidenced by the increase of striatal gamma-aminobutyric acid content and the decrease of glutamate content. Azil also amended neuroinflammation and oxidative stress via modulating IĸB/NF-ĸB and KEAP1/Nrf2 downstream signalling pathways, as well as reducing iNOS and COX2 levels. Moreover, Azil demonstrated an anti-apoptotic activity by reducing caspase-3 level and BAX/BCL2 ratio. In conclusion, the present study reveals the neuroprotective potential of Azil in 3-NP-induced behavioural, histopathological and biochemical changes in rats. These findings might be attributed to inhibition of ATR1/NF-κB signalling, modulation of Nrf2/KEAP1 signalling, anti-inflammatory, anti-oxidant and anti-apoptotic properties.
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Affiliation(s)
- Hend A Hamouda
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Kasr El Aini St., Cairo, 11562, Egypt
| | - Rabab H Sayed
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Kasr El Aini St., Cairo, 11562, Egypt.
- School of Pharmacy, Newgiza University, Giza, Egypt.
| | - Nihad I Eid
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Kasr El Aini St., Cairo, 11562, Egypt
| | - Bahia M El-Sayeh
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Cairo University, Kasr El Aini St., Cairo, 11562, Egypt
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Xiang Y, Song X, Long D. Ferroptosis regulation through Nrf2 and implications for neurodegenerative diseases. Arch Toxicol 2024; 98:579-615. [PMID: 38265475 PMCID: PMC10861688 DOI: 10.1007/s00204-023-03660-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 12/07/2023] [Indexed: 01/25/2024]
Abstract
This article provides an overview of the background knowledge of ferroptosis in the nervous system, as well as the key role of nuclear factor E2-related factor 2 (Nrf2) in regulating ferroptosis. The article takes Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), and amyotrophic lateral sclerosis (ALS) as the starting point to explore the close association between Nrf2 and ferroptosis, which is of clear and significant importance for understanding the mechanism of neurodegenerative diseases (NDs) based on oxidative stress (OS). Accumulating evidence links ferroptosis to the pathogenesis of NDs. As the disease progresses, damage to the antioxidant system, excessive OS, and altered Nrf2 expression levels, especially the inhibition of ferroptosis by lipid peroxidation inhibitors and adaptive enhancement of Nrf2 signaling, demonstrate the potential clinical significance of Nrf2 in detecting and identifying ferroptosis, as well as targeted therapy for neuronal loss and mitochondrial dysfunction. These findings provide new insights and possibilities for the treatment and prevention of NDs.
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Affiliation(s)
- Yao Xiang
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China
- Hunan Province Key Laboratory of Typical Environmental Pollution and Health Hazards, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China
| | - Xiaohua Song
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China
- Hunan Province Key Laboratory of Typical Environmental Pollution and Health Hazards, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China
| | - Dingxin Long
- School of Public Health, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China.
- Hunan Province Key Laboratory of Typical Environmental Pollution and Health Hazards, Hengyang Medical School, University of South China, Hengyang, 421001, People's Republic of China.
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4
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Glorieux C, Enríquez C, González C, Aguirre-Martínez G, Buc Calderon P. The Multifaceted Roles of NRF2 in Cancer: Friend or Foe? Antioxidants (Basel) 2024; 13:70. [PMID: 38247494 PMCID: PMC10812565 DOI: 10.3390/antiox13010070] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 12/21/2023] [Accepted: 12/29/2023] [Indexed: 01/23/2024] Open
Abstract
Physiological concentrations of reactive oxygen species (ROS) play vital roles in various normal cellular processes, whereas excessive ROS generation is central to disease pathogenesis. The nuclear factor erythroid 2-related factor 2 (NRF2) is a critical transcription factor that regulates the cellular antioxidant systems in response to oxidative stress by governing the expression of genes encoding antioxidant enzymes that shield cells from diverse oxidative alterations. NRF2 and its negative regulator Kelch-like ECH-associated protein 1 (KEAP1) have been the focus of numerous investigations in elucidating whether NRF2 suppresses tumor promotion or conversely exerts pro-oncogenic effects. NRF2 has been found to participate in various pathological processes, including dysregulated cell proliferation, metabolic remodeling, and resistance to apoptosis. Herein, this review article will examine the intriguing role of phase separation in activating the NRF2 transcriptional activity and explore the NRF2 dual impacts on tumor immunology, cancer stem cells, metastasis, and long non-coding RNAs (LncRNAs). Taken together, this review aims to discuss the NRF2 multifaceted roles in both cancer prevention and promotion while also addressing the advantages, disadvantages, and limitations associated with modulating NRF2 therapeutically in cancer treatment.
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Affiliation(s)
- Christophe Glorieux
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Sun Yat-sen University Cancer Center, Guangzhou 510060, China
| | - Cinthya Enríquez
- Química y Farmacia, Facultad de Ciencias de la Salud, Universidad Arturo Prat, Iquique 1100000, Chile; (C.E.); (C.G.); (G.A.-M.)
- Programa de Magister en Ciencias Químicas y Farmacéuticas, Facultad de Ciencias de la Salud, Universidad Arturo Prat, Iquique 1100000, Chile
| | - Constanza González
- Química y Farmacia, Facultad de Ciencias de la Salud, Universidad Arturo Prat, Iquique 1100000, Chile; (C.E.); (C.G.); (G.A.-M.)
| | - Gabriela Aguirre-Martínez
- Química y Farmacia, Facultad de Ciencias de la Salud, Universidad Arturo Prat, Iquique 1100000, Chile; (C.E.); (C.G.); (G.A.-M.)
- Instituto de Química Medicinal, Universidad Arturo Prat, Iquique 1100000, Chile
| | - Pedro Buc Calderon
- Química y Farmacia, Facultad de Ciencias de la Salud, Universidad Arturo Prat, Iquique 1100000, Chile; (C.E.); (C.G.); (G.A.-M.)
- Instituto de Química Medicinal, Universidad Arturo Prat, Iquique 1100000, Chile
- Research Group in Metabolism and Nutrition, Louvain Drug Research Institute, Université Catholique de Louvain, 1200 Brussels, Belgium
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Rahman SO, Khan T, Iqubal A, Agarwal S, Akhtar M, Parvez S, Shah ZA, Najmi AK. Association between insulin and Nrf2 signalling pathway in Alzheimer's disease: A molecular landscape. Life Sci 2023:121899. [PMID: 37394097 DOI: 10.1016/j.lfs.2023.121899] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2023] [Revised: 06/17/2023] [Accepted: 06/27/2023] [Indexed: 07/04/2023]
Abstract
Insulin, a well-known hormone, has been implicated as a regulator of blood glucose levels for almost a century now. Over the past few decades, the non-glycemic actions of insulin i.e. neuronal growth and proliferation have been extensively studied. In 2005, Dr. Suzanne de La Monte and her team reported that insulin might be involved in the pathogenesis of Alzheimer's Disease (AD) and thus coined a term "Type-3 diabetes" This hypothesis was supported by several subsequent studies. The nuclear factor erythroid 2- related factor 2 (Nrf2) triggers a cascade of events under the regulation of distinct mechanisms including protein stability, phosphorylation and nuclear cytoplasmic shuttling, finally leading to the protection against oxidative damage. The Nrf2 pathway has been investigated extensively in relevance to neurodegenerative disorders, particularly AD. Many studies have indicated a strong correlation between insulin and Nrf2 signalling pathways both in the periphery and the brainbut merely few of them have focused on elucidating their inter-connective role in AD. The present review emphasizes key molecular pathways that correlate the role of insulin with Nrf2 during AD. The review has also identified key unexplored areas that could be investigated in future to further establish the insulin and Nrf2 influence in AD.
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Affiliation(s)
- Syed Obaidur Rahman
- Pharmaceutical Medicine, Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Tahira Khan
- Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Ashif Iqubal
- Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Shivani Agarwal
- Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Mohd Akhtar
- Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Suhel Parvez
- Neurobehavioral Pharmacology Laboratory, Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Zahoor Ahmad Shah
- Department of Medicinal and Biological Chemistry, University of Toledo, 3000 Arlington Avenue, Toledo, OH 43614, USA
| | - Abul Kalam Najmi
- Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India.
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6
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Alam MM, Kishino A, Sung E, Sekine H, Abe T, Murakami S, Akaike T, Motohashi H. Contribution of NRF2 to sulfur metabolism and mitochondrial activity. Redox Biol 2023; 60:102624. [PMID: 36758466 PMCID: PMC9941419 DOI: 10.1016/j.redox.2023.102624] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2022] [Revised: 01/29/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
NF-E2-related factor 2 (NRF2) plays a crucial role in the maintenance of cellular homeostasis by regulating various enzymes and proteins that are involved in the redox reactions utilizing sulfur. While substantial impacts of NRF2 on mitochondrial activity have been described, the precise mechanism by which NRF2 regulates mitochondrial function is still not fully understood. Here, we demonstrated that NRF2 increased intracellular persulfides by upregulating the cystine transporter xCT encoded by Slc7a11, a well-known NRF2 target gene. Persulfides have been shown to play an important role in mitochondrial function. Supplementation with glutathione trisulfide (GSSSG), which is a form of persulfide, elevated the mitochondrial membrane potential (MMP), increased the oxygen consumption rate (OCR) and promoted ATP production. Persulfide-mediated mitochondrial activation was shown to require the mitochondrial sulfur oxidation pathway, especially sulfide quinone oxidoreductase (SQOR). Consistently, NRF2-mediated mitochondrial activation was also dependent on SQOR activity. This study clarified that the facilitation of persulfide production and sulfur metabolism in mitochondria by increasing cysteine availability is one of the mechanisms for NRF2-dependent mitochondrial activation.
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Affiliation(s)
- Md Morshedul Alam
- Department of Gene Expression Regulation, Institute of Development, Aging and Cancer, Tohoku University, Sendai, 980-8575, Japan,Department of Genetic Engineering and Biotechnology, Bangabandhu Sheikh Mujibur Rahman Maritime University, Mirpur 12, Dhaka, 1216, Bangladesh
| | - Akihiro Kishino
- Department of Gene Expression Regulation, Institute of Development, Aging and Cancer, Tohoku University, Sendai, 980-8575, Japan
| | - Eunkyu Sung
- Department of Gene Expression Regulation, Institute of Development, Aging and Cancer, Tohoku University, Sendai, 980-8575, Japan
| | - Hiroki Sekine
- Department of Gene Expression Regulation, Institute of Development, Aging and Cancer, Tohoku University, Sendai, 980-8575, Japan
| | - Takaaki Abe
- Department of Medical Science, Tohoku University Graduate School of Biomedical Engineering, Department of Clinical Biology and Hormonal Regulation, Tohoku University Graduate School of Medicine, Sendai, 980-8575, Japan
| | - Shohei Murakami
- Department of Gene Expression Regulation, Institute of Development, Aging and Cancer, Tohoku University, Sendai, 980-8575, Japan
| | - Takaaki Akaike
- Department of Environmental Medicine and Molecular Toxicology, Tohoku University Graduate School of Medicine, Sendai, 980-8575, Japan.
| | - Hozumi Motohashi
- Department of Gene Expression Regulation, Institute of Development, Aging and Cancer, Tohoku University, Sendai, 980-8575, Japan.
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Mishra DK, Awasthi H, Srivastava D, Fatima Z. Phytochemical: a treatment option for heavy metal induced neurotoxicity. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2022; 19:513-530. [PMID: 35749142 DOI: 10.1515/jcim-2020-0325] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 05/23/2022] [Indexed: 06/15/2023]
Abstract
Heavy metals are known to be carcinogenic, mutagenic, and teratogenic. Some heavy metals are necessary while present in the growing medium in moderate concentrations known to be essential heavy metals as they required for the body functioning as a nutrient. But there are some unwanted metals and are also toxic to the environment and create a harmful impact on the body, which termed to be non-essential heavy metals. Upon exposure, the heavy metals decrease the major antioxidants of cells and enzymes with the thiol group and affect cell division, proliferation, and apoptosis. It interacts with the DNA repair mechanism and initiates the production of reactive oxygen species (ROS). It subsequently binds to the mitochondria and may inhibit respiratory and oxidative phosphorylation in even low concentrations. This mechanism leads to damage antioxidant repair mechanism of neuronal cells and turns into neurotoxicity. Now, phytochemicals have led to good practices in the health system. Phytochemicals that are present in the fruits and herbs can preserve upon free radical damage. Thus, this review paper summarized various phytochemicals which can be utilized as a treatment option to reverse the effect of the toxicity caused by the ingestion of heavy metals in our body through various environmental or lifestyles ways.
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Affiliation(s)
| | - Himani Awasthi
- Amity Institute of Pharmacy, Amity University, Lucknow, India
| | | | - Zeeshan Fatima
- Amity Institute of Pharmacy, Amity University, Lucknow, India
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8
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Kahremany S, Hofmann L, Gruzman A, Dinkova-Kostova AT, Cohen G. NRF2 in dermatological disorders: Pharmacological activation for protection against cutaneous photodamage and photodermatosis. Free Radic Biol Med 2022; 188:262-276. [PMID: 35753587 PMCID: PMC9350913 DOI: 10.1016/j.freeradbiomed.2022.06.238] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 06/16/2022] [Accepted: 06/21/2022] [Indexed: 01/27/2023]
Abstract
The skin barrier and its endogenous protective mechanisms cope daily with exogenous stressors, of which ultraviolet radiation (UVR) poses an imminent danger. Although the skin is able to reduce the potential damage, there is a need for comprehensive strategies for protection. This is particularly important when developing pharmacological approaches to protect against photocarcinogenesis. Activation of NRF2 has the potential to provide comprehensive and long-lasting protection due to the upregulation of numerous cytoprotective downstream effector proteins that can counteract the damaging effects of UVR. This is also applicable to photodermatosis conditions that exacerbate the damage caused by UVR. This review describes the alterations caused by UVR in normal skin and photosensitive disorders, and provides evidence to support the development of NRF2 activators as pharmacological treatments. Key natural and synthetic activators with photoprotective properties are summarized. Lastly, the gap in knowledge in research associated with photodermatosis conditions is highlighted.
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Affiliation(s)
- Shirin Kahremany
- Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, 5290002, Israel; The Skin Research Institute, The Dead Sea and Arava Science Center, Masada, 86910, Israel
| | - Lukas Hofmann
- Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, 5290002, Israel
| | - Arie Gruzman
- Department of Chemistry, Faculty of Exact Sciences, Bar-Ilan University, Ramat-Gan, 5290002, Israel
| | - Albena T Dinkova-Kostova
- Jacqui Wood Cancer Centre, Division of Cellular Medicine, School of Medicine, University of Dundee, Dundee, UK; Department of Pharmacology and Molecular Sciences and Department of Medicine, Johns Hopkins University School of Medicine, Baltimore, USA
| | - Guy Cohen
- The Skin Research Institute, The Dead Sea and Arava Science Center, Masada, 86910, Israel; Ben-Gurion University of the Negev, Eilat Campus, Eilat, 8855630, Israel.
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9
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Soni D, Kumar P. GSK-3β-mediated regulation of Nrf2/HO-1 signaling as a new therapeutic approach in the treatment of movement disorders. Pharmacol Rep 2022; 74:557-569. [PMID: 35882765 DOI: 10.1007/s43440-022-00390-z] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 07/09/2022] [Accepted: 07/12/2022] [Indexed: 11/30/2022]
Abstract
Movement disorders are neurological conditions characterized by involuntary motor movements, such as dystonia, ataxia, chorea myoclonus, tremors, Huntington's disease (HD), and Parkinson's disease (PD). It is classified into two categories: hypokinetic and hyperkinetic movements. Globally, movement disorders are a major cause of death. The pathophysiological process is initiated by excessive ROS generation, mitochondrial dysfunction, neuroinflammation, and neurotransmitters imbalance that lead to motor dysfunction in PD and HD patients. Several endogenous targets including Nrf2 maintain oxidative balance in the body. Activation of Nrf2 signaling is regulated by the enzyme glycogen synthase kinase (GSK-3β). In the cytoplasm, inhibition of GSK-3β regulates cellular proliferation, homeostasis, and apoptotic process by stimulating the nuclear factor erythroid 2 (Nrf2) pathway which is involved in the elevation of the cellular antioxidant enzymes which controls the ROS generation. The activation of Nrf2 increases the expression of antioxidant response elements (ARE), such as (Hemeoxygenase-1) HO-1, which decreases excessive cellular stress, mitochondrial dysfunction, apoptosis, and neuronal degeneration, which is the major cause of motor dysfunction. The present review explores the GSK-3β-mediated neuroprotection in various movement disorders through the Nrf2/HO-1 antioxidant pathway. This review provides a link between GSK-3β and the Nrf2/HO-1 signaling pathway in the treatment of PD and HD. In addition to that it highlights various GSK-3β inhibitors and the Nrf2/HO-1 activators, which exert robust neuroprotection against motor disorders. Therefore, the present review will help in the discovery of new therapy for PD and HD patients.
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Affiliation(s)
- Divya Soni
- Department of Pharmacology, Central University of Punjab, Ghudda, Bathinda, India
| | - Puneet Kumar
- Department of Pharmacology, Central University of Punjab, Ghudda, Bathinda, India.
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Harmine prevents 3-nitropropionic acid-induced neurotoxicity in rats via enhancing NRF2-mediated signaling: Involvement of p21 and AMPK. Eur J Pharmacol 2022; 927:175046. [PMID: 35623405 DOI: 10.1016/j.ejphar.2022.175046] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 05/01/2022] [Accepted: 05/18/2022] [Indexed: 11/24/2022]
Abstract
Oxidative stress induced neurotoxicity is increasingly perceived as an important neuropathologic mechanism underlying the motor and behavioral phenotypes associated with Huntington's disease (HD). Repeated exposure to 3-nitropropionic acid (3-NP) induces neurotoxic changes which closely simulate the neuropathological and behavioral characteristics of HD. This study aimed at evaluating the prophylactic effects of the dual-specificity tyrosine phosphorylation regulated kinase 1A (DYRK1A) inhibitor "harmine" against 3-NP-indued neurotoxicity and HD-like symptoms. The potential prophylactic effect of harmine (10 mg/kg/day; intraperitoneal) was investigated on 3-NP-induced motor and cognitive HD-like deficits, nuclear factor erythroid 2 like 2 (NRF2), AMP kinase (AMPK) and p21 protein levels and the gene expression of haem oxygenase-1 (Ho-1), NAD(P)H: quinone oxidoreductase-1 (Nqo-1) and p62 in addition to redox imbalance and histological neurotoxic changes in the striatum, prefrontal cortex, and hippocampus of male Wistar rats. Harmine successfully increased the protein levels of NRF2, AMPK and p21 and the gene expression of Ho-1, Nqo-1 and p62, restored redox homeostasis, and reduced CASPASE-3 level. This was reflected in attenuation of 3-NP-induced neurodegenerative changes and improvement of rats' motor and cognitive performance. This study draws attention to the protective role of harmine against 3-NP-induced motor and cognitive dysfunction that could be mediated via enhancing NRF2-mediated signaling with subsequent amelioration of oxidative stress injury via NRF2 activators, p21 and AMPK, in the striatum, prefrontal cortex, and hippocampus which could offer a promising therapeutic tool to slow the progression of HD.
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11
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Saba J, Couselo FL, Bruno J, Carniglia L, Durand D, Lasaga M, Caruso C. Neuroinflammation in Huntington's Disease: A Starring Role for Astrocyte and Microglia. Curr Neuropharmacol 2022; 20:1116-1143. [PMID: 34852742 PMCID: PMC9886821 DOI: 10.2174/1570159x19666211201094608] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Revised: 10/06/2021] [Accepted: 11/26/2021] [Indexed: 11/22/2022] Open
Abstract
Huntington's disease (HD) is a neurodegenerative genetic disorder caused by a CAG repeat expansion in the huntingtin gene. HD causes motor, cognitive, and behavioral dysfunction. Since no existing treatment affects the course of this disease, new treatments are needed. Inflammation is frequently observed in HD patients before symptom onset. Neuroinflammation, characterized by the presence of reactive microglia, astrocytes and inflammatory factors within the brain, is also detected early. However, in comparison to other neurodegenerative diseases, the role of neuroinflammation in HD is much less known. Work has been dedicated to altered microglial and astrocytic functions in the context of HD, but less attention has been given to glial participation in neuroinflammation. This review describes evidence of inflammation in HD patients and animal models. It also discusses recent knowledge on neuroinflammation in HD, highlighting astrocyte and microglia involvement in the disease and considering anti-inflammatory therapeutic approaches.
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Affiliation(s)
- Julieta Saba
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Federico López Couselo
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Julieta Bruno
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Lila Carniglia
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Daniela Durand
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Mercedes Lasaga
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina
| | - Carla Caruso
- Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina,Address correspondence to this author at the Instituto de Investigaciones Biomédicas (INBIOMED), UBA-CONICET, Paraguay 2155 Piso 10, Facultad de Medicina, Universidad de Buenos Aires, Buenos Aires, Argentina, Tel: +54 11 5285 3380; E-mail:
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12
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Sabatier P, Beusch CM, Gencheva R, Cheng Q, Zubarev R, Arnér ESJ. Comprehensive chemical proteomics analyses reveal that the new TRi-1 and TRi-2 compounds are more specific thioredoxin reductase 1 inhibitors than auranofin. Redox Biol 2021; 48:102184. [PMID: 34788728 PMCID: PMC8591550 DOI: 10.1016/j.redox.2021.102184] [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: 10/13/2021] [Revised: 11/06/2021] [Accepted: 11/09/2021] [Indexed: 12/16/2022] Open
Abstract
Anticancer drugs that target cellular antioxidant systems have recently attracted much attention. Auranofin (AF) is currently evaluated in several clinical trials as an anticancer agent that targets the cytosolic and mitochondrial forms of the selenoprotein thioredoxin reductase, TXNRD1 and TXNRD2. Recently, two novel TXNRD1 inhibitors (TRi-1 and TRi-2) have been developed that showed anticancer efficacy comparable to AF, but with lower mitochondrial toxicity. However, the cellular action mechanisms of these drugs have not yet been thoroughly studied. Here we used several proteomics approaches to determine the effects of AF, TRi-1 and TRi-2 when used at IC50 concentrations with the mouse B16 melanoma and LLC lung adenocarcinoma cells, as these are often used for preclinical mouse models in evaluation of anticancer drugs. The results demonstrate that TRi-1 and TRi-2 are more specific TXNRD1 inhibitors than AF and reveal additional AF-specific effects on the cellular proteome. Interestingly, AF triggered stronger Nrf2-driven antioxidant responses than the other two compounds. Furthermore, AF affected several additional proteins, including GSK3A, GSK3B, MCMBP and EEFSEC, implicating additional effects on glycogen metabolism, cellular differentiation, inflammatory pathways, DNA replication and selenoprotein synthesis processes. Our proteomics data provide a resource for researchers interested in the multidimensional analysis of proteome changes associated with oxidative stress in general, and the effects of TXNRD1 inhibitors and AF protein targets in particular.
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Affiliation(s)
- Pierre Sabatier
- Chemistry I, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 17177, Sweden
| | - Christian M Beusch
- Chemistry I, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 17177, Sweden
| | - Radosveta Gencheva
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 17177, Sweden
| | - Qing Cheng
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 17177, Sweden
| | - Roman Zubarev
- Chemistry I, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 17177, Sweden; Department of Pharmacological & Technological Chemistry, I.M. Sechenov First Moscow State Medical University, Moscow, 119146, Russia; The National Medical Research Center for Endocrinology, 115478, Moscow, Russia.
| | - Elias S J Arnér
- Division of Biochemistry, Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, 17177, Sweden; Department of Selenoprotein Research, National Institute of Oncology, 1122, Budapest, Hungary.
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13
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Wang P, Li R, Yuan Y, Zhu M, Liu Y, Jin Y, Yin Y. PTENα is responsible for protection of brain against oxidative stress during aging. FASEB J 2021; 35:e21943. [PMID: 34582065 DOI: 10.1096/fj.202100753r] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 08/10/2021] [Accepted: 09/07/2021] [Indexed: 01/01/2023]
Abstract
Neural cells are continuously subjected to oxidative stress arising from electrochemical activity, and cellular protection systems can turn on the oxidative stress response to detect and alleviate adverse conditions. However, the function and mechanism of the protective systems are complicated and remain largely elusive. We report that PTENα, an isoform of the PTEN family, mediates defense signaling in response to oxidative stress during brain aging. We show that genetic ablation of Ptenα in mice increases oxidative stress and results in neuronal cell death, culminating in accelerated decline of cognition and motor coordination as age increases. PTENα maintains COX activity and promotes energy metabolism through abrogating NEDD4L-mediated degradation of COX4 in response to oxidative stress. In the presence of Parkinson's disease-associated mutation, PTENα loses the capability to protect COX4 and ameliorate defects caused by Ptenα deletion. Our study reveals an important role of PTENα in response to oxidative stress. We propose that dysregulation of PTENα signaling may accelerate the rate of brain aging and promote the development of neurodegenerative disorders.
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Affiliation(s)
- Pan Wang
- Department of Pathology, School of Basic Medical Sciences, Institute of Systems Biomedicine, Peking University Health Science Center, Beijing, China.,Tsinghua University-Peking University Joint Center for Life Sciences, Tsinghua University, Beijing, China
| | - Ruiqi Li
- Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, China
| | - Yuyao Yuan
- Department of Pathology, School of Basic Medical Sciences, Institute of Systems Biomedicine, Peking University Health Science Center, Beijing, China
| | - Minglu Zhu
- Department of Pathology, School of Basic Medical Sciences, Institute of Systems Biomedicine, Peking University Health Science Center, Beijing, China
| | - Yang Liu
- Department of Pathology, School of Basic Medical Sciences, Institute of Systems Biomedicine, Peking University Health Science Center, Beijing, China
| | - Yan Jin
- Department of Pathology, School of Basic Medical Sciences, Institute of Systems Biomedicine, Peking University Health Science Center, Beijing, China
| | - Yuxin Yin
- Department of Pathology, School of Basic Medical Sciences, Institute of Systems Biomedicine, Peking University Health Science Center, Beijing, China.,Peking-Tsinghua Center for Life Sciences, Peking University, Beijing, China
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14
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Singh A, Yadawa AK, Chaturvedi S, Wahajuddin M, Mishra A, Singh S. Mechanism for antiParkinsonian effect of resveratrol: Involvement of transporters, synaptic proteins, dendrite arborization, biochemical alterations, ER stress and apoptosis. Food Chem Toxicol 2021; 155:112433. [PMID: 34302886 DOI: 10.1016/j.fct.2021.112433] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 07/15/2021] [Accepted: 07/17/2021] [Indexed: 11/21/2022]
Abstract
The present study was undertaken to evaluate the mechanism for antiParkinsonian effect of resveratrol employing 6-hydroxydopamine (6-OHDA) induced experimental model of Parkinson's disease (PD). Resveratrol treatment significantly protects the PD related pathological markers like level of tyrosine hydroxylase, dopamine and apoptotic proteins (Bax and cleaved caspase-3). Disease pathology involves significantly decreased level of dopamine transporter, synaptophysin and postsynaptic density protein 95 (PSD-95) along with augmented level of vesicular monoamine transporter and considerably affected the dendrite arborization. Such affected neuronal communication was significantly restored with resveratrol treatment. Biochemical alterations include the depleted level of glutathione (GSH), mitochondrial complex-I activity with concomitant increased level of lipid peroxidation, nitrite level and calcium levels, which were also significantly inhibited with resveratrol treatment. Altered calcium level induces the endoplasmic reticulum (ER) stress related signalling and phosphorylated Nuclear factor erythroid 2-related factor 2 (Nrf2), and with resveratrol treatment the level of phosphorylated Nrf2 was further increased. The concurrent depleted level of proteasome activity was observed which was attenuated with resveratrol treatment. Proinflammatory cytokines and activated astrocytes were observed which was inhibited with resveratrol treatment. In conclusion, findings suggested that resveratrol exhibits the interference in neuronal communication, oxidative stress, mitochondrial pathophysiology, ER stress, protein degradation mechanism and inflammatory responses and could be utilize in clinics to treat the PD patients.
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Affiliation(s)
- Ashish Singh
- Division of Toxicology and Experimental Medicine, Central Drug Research Institute, Lucknow, 226031, India
| | - Arun Kumar Yadawa
- Division of Toxicology and Experimental Medicine, Central Drug Research Institute, Lucknow, 226031, India
| | - Swati Chaturvedi
- Division of Pharmacokinetics and Pharmaceutics, Central Drug Research Institute, Lucknow, 226031, India
| | - M Wahajuddin
- Division of Pharmacokinetics and Pharmaceutics, Central Drug Research Institute, Lucknow, 226031, India
| | - Amit Mishra
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology, Jodhpur, Rajasthan, 342011, India
| | - Sarika Singh
- Division of Toxicology and Experimental Medicine, Central Drug Research Institute, Lucknow, 226031, India.
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15
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Minj E, Upadhayay S, Mehan S. Nrf2/HO-1 Signaling Activator Acetyl-11-keto-beta Boswellic Acid (AKBA)-Mediated Neuroprotection in Methyl Mercury-Induced Experimental Model of ALS. Neurochem Res 2021; 46:2867-2884. [PMID: 34075522 DOI: 10.1007/s11064-021-03366-2] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 04/28/2021] [Accepted: 05/27/2021] [Indexed: 12/12/2022]
Abstract
Methylmercury (MeHg) is a potent neurotoxin that causes neurotoxicity and neuronal cell death. MeHg exposure also leads to oligodendrocyte destruction, glial cell overactivation, and demyelination of motor neurons in the motor cortex and spinal cord. As a result, MeHg plays an important role in the progression of amyotrophic lateral sclerosis (ALS)-like neurocomplications. ALS is a fatal neurodegenerative disorder in which neuroinflammation is the leading cause of further CNS demyelination. Nuclear factor erythroid-2-related factor-2 (Nrf2)/Heme oxygenase-1 (HO-1) signaling pathway was thought to be a potential target for neuroprotection in ALS. Acetyl-11-keto-beta-boswellic acid (AKBA) is a multi-component pentacyclic triterpenoid mixture derived from Boswellia serrata with anti-inflammatory and antioxidant properties. The research aimed to investigate whether AKBA, as a Nrf2 / HO-1 activator, can provide protection against ALS. Thus, we explored the role of AKBA on the Nrf2/HO-1 signaling pathway in a MeHg-induced experimental ALS model. In this study, ALS was induced in Wistar rats by oral gavage of MeHg 5 mg/kg for 21 days. An open field test, force swim test, and grip strength were performed to observe experimental rats' motor coordination behaviors. In contrast, a morris water maze was performed for learning and memory. Administration of AKBA 50 mg/kg and AKBA 100 mg/kg continued from day 22 to 42. Neurochemical parameters were evaluated in the rat's brain homogenate. In the meantime, post-treatment with AKBA significantly improved behavioral, neurochemical, and gross pathological characteristics in the brain of rats by increasing the amount of Nrf2/HO-1 in brain tissue. Collectively, our findings indicated that AKBA could potentially avoid demyelination and encourage remyelination.
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Affiliation(s)
- Elizabeth Minj
- Neuropharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - Shubham Upadhayay
- Neuropharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, 142001, Punjab, India
| | - Sidharth Mehan
- Neuropharmacology Division, Department of Pharmacology, ISF College of Pharmacy, Moga, 142001, Punjab, India.
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16
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Mechanistic insights and perspectives involved in neuroprotective action of quercetin. Biomed Pharmacother 2021; 140:111729. [PMID: 34044274 DOI: 10.1016/j.biopha.2021.111729] [Citation(s) in RCA: 108] [Impact Index Per Article: 36.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2021] [Revised: 05/07/2021] [Accepted: 05/11/2021] [Indexed: 12/15/2022] Open
Abstract
Neurodegenerative diseases (NDDs) are the primary cause of disabilities in the elderly people. Growing evidence indicates that oxidative stress, mitochondrial dysfunction, neuroinflammation and apoptosis are associated with aging and the basis of most neurodegenerative disorders. Quercetin is a flavonoid with significant pharmacological effects and promising therapeutic potential. It is widely distributed among plants and typically found in daily diets mainly in fruits and vegetables. It shows a number of biological properties connected to its antioxidant activity. Neuroprotection by quercetin has been reported in many in vitro as well as in in vivo studies. However, the exact mechanism of action is still mystery and similarly there are a number of hypothesis exploring the mechanism of neuroprotection. Quercetin enhances neuronal longevity and neurogenesis by modulating and inhibiting wide number of pathways. This review assesses the food sources of quercetin, its pharmacokinetic profile, structure activity relationship and its pathophysiological role in various NDDs and it also provides a synopsis of the literature exploring the relationship between quercetin and various downstream signalling pathways modulated by quercetin for neuroprotection for eg. nuclear factor erythroid 2-related factor 2 (Nrf2), Paraoxonase-2 (PON2), c-Jun N-terminal kinase (JNK), Tumour Necrosis Factor alpha (TNF-α), Peroxisome Proliferator-Activated Receptor Gamma Coactivator 1-alpha (PGC-1α), Sirtuins, Mitogen-activated protein kinases (MAPKs) signalling cascades, CREB (Cyclic AMP response element binding protein) and Phosphoinositide 3- kinase(PI3K/Akt). Therefore, the aim of the present review was to elaborate on the cellular and molecular mechanisms of the quercetin involved in the protection against NDDs.
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17
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Cardozo V, Vaamonde L, Parodi-Talice A, Zuluaga MJ, Agrati D, Portela M, Lima A, Blasina F, Dajas F, Bedó G. Multitarget neuroprotection by quercetin: Changes in gene expression in two perinatal asphyxia models. Neurochem Int 2021; 147:105064. [PMID: 33951501 DOI: 10.1016/j.neuint.2021.105064] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 04/26/2021] [Accepted: 04/27/2021] [Indexed: 12/27/2022]
Abstract
Hypoxic-ischemic encephalopathy (HIE) causes mortality and long-term neurologic morbidities in newborns, affecting pathways related to energy failure, excitotoxicity and oxidative stress that often lead to cell death. The whole process of HIE injury is coupled to changes in the expression of a great array of proteins. A nanoliposomal preparation of the flavonoid quercetin has been shown to exert neuroprotective effects in perinatal asphyxia models. This study aimed to identify neonatal HIE markers and explore the effect of quercetin administration in two perinatal asphyxia models: newborn rats and piglets. In the rat model, nanoliposomal quercetin administration reduced mortality after asphyxia. In the piglet model, quercetin partially overrode the reduction of HIF-1α mRNA levels in the cortex induced by asphyxia. Quercetin administration also reduced increased level of HO-1 mRNA in asphyctic piglets. These results suggest that quercetin neuroprotection might be involved in the regulation of HIF-1α, HO-1 and their targets. A proteomic approach revealed that the glycolytic pathway is strongly regulated by quercetin in both species. We also identified a set of proteins differentially expressed that could be further considered as markers. In piglets, this set includes Acidic Leucine-rich nuclear phosphoprotein 32 (ANP32A), associated with nervous system differentiation, proteins related with death pathways and alpha-enolase which can be converted to neuron-specific enolase, a glycolytic enzyme that may promote neuroprotection. In newborn rats, other promising proteins associated with neurogenesis and neuroprotection emerged, such as dihydropyrimidinase-related proteins, catalytic and regulatory subunits of phosphatases and heterogeneous nuclear ribonucleoprotein K (hnRNPK). Our results show that a nanoliposomal preparation of quercetin, with protective effect in two HIE mammal models, modulates the expression of proteins involved in energy metabolism and other putative neuroprotective signals in the cortex. Identification of these signals could reveal potential molecular pathways involved in disease onset and the novel quercetin neuroprotective strategy.
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Affiliation(s)
- V Cardozo
- Sección Genética Evolutiva, Facultad de Ciencias, Universidad de la República (Udelar), Montevideo, Uruguay
| | - L Vaamonde
- Dept. Neonatología, Facultad de Medicina, Universidad de la República (Udelar), Montevideo, Uruguay
| | - A Parodi-Talice
- Sección Genética Evolutiva, Facultad de Ciencias, Universidad de la República (Udelar), Montevideo, Uruguay; Unidad de Biología Molecular, Institut Pasteur de Montevideo, Montevideo, Uruguay
| | - M J Zuluaga
- Sección Fisiología y Nutrición, Facultad de Ciencias, Universidad de la República (Udelar), Montevideo, Uruguay
| | - D Agrati
- Sección Fisiología y Nutrición, Facultad de Ciencias, Universidad de la República (Udelar), Montevideo, Uruguay
| | - M Portela
- Unidad de Bioquímica y Proteómica Analíticas, Institut Pasteur de Montevideo; Facultad de Ciencias, Universidad de la República (Udelar), Montevideo, Uruguay
| | - A Lima
- Unidad de Bioquímica y Proteómica Analíticas, Institut Pasteur de Montevideo; Instituto de Investigaciones Biológicas Clemente Estable, Ministerio de Educación y Cultura, Montevideo, Uruguay
| | - F Blasina
- Dept. Neonatología, Facultad de Medicina, Universidad de la República (Udelar), Montevideo, Uruguay.
| | - F Dajas
- Dept. Neuroquímica, Instituto de Investigaciones Biológicas Clemente Estable, Ministerio de Educación y Cultura, Montevideo, Uruguay
| | - G Bedó
- Sección Genética Evolutiva, Facultad de Ciencias, Universidad de la República (Udelar), Montevideo, Uruguay.
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18
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Meißner J, Rezaei M, Siepe I, Ackermann D, König S, Eble JA. Redox proteomics reveals an interdependence of redox modification and location of adhesome proteins in NGF-treated PC12 cells. Free Radic Biol Med 2021; 164:341-353. [PMID: 33465466 DOI: 10.1016/j.freeradbiomed.2021.01.019] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 01/07/2021] [Accepted: 01/10/2021] [Indexed: 12/30/2022]
Abstract
Proteomics studies have revealed that adhesomes are assembled from a plethora of proteins at integrin-mediated cellular contact sites with the extracellular matrix. By combining dimedone-trapping of sulfenylated proteins with the purification of the adhesome complex, we extended previous proteomics approaches on adhesomes to a redox proteomic analysis. This added a new aspect of adhesome complexity as individual adhesome proteins change their redox state in response to environmental signals. As model system, rat pheochromocytoma PC12 cells were studied in contact with type IV collagen and in response to nerve growth factor (NGF). NGF stimulates the endogenous production of reactive oxygen species (ROS) and the formation of neurite-like cell protrusions, which are anchored to the substratum via adhesomes. Dimedone detects the reversible oxidation of cysteine thiol groups into sulfenic acid groups which was used in proteomic analysis of adhesome proteins revealing that sulfenylation and location of proteins mutually influence each other. For some proteins, identified by the redox proteomics approach, among them Nck-associated protein-1 (Nap-1), proximity ligation analysis and co-immunoprecipitation assays proved that protein sulfenylation sites colocalize with adhesomes of protrusions. In conclusion, the suprastructural composition and function of adhesomes is redox-regulated by ROS. Of interest in this respect, isoform-selective pharmacological inhibition of NADPH-oxidases (Noxs) reduced the adhesomal location of the collagen-binding α1β1 integrin and the length of the outgrowing neurites, indicative of a role of Nox isoforms in the redox-regulation of adhesomes. Thus, our novel redox proteomics approach not only revealed redox-modifications and the potential redox-regulation of adhesomes and their constituents but it may also provide a tool to analyze the ROS-stimulated neurite repair of peripheral neurons.
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Affiliation(s)
- Juliane Meißner
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, Münster, Germany
| | - Maryam Rezaei
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, Münster, Germany
| | - Isabel Siepe
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, Münster, Germany
| | | | - Simone König
- IZKF Core Unit Proteomics, Röntgenstraße 21, Münster, Germany
| | - Johannes A Eble
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, Münster, Germany.
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19
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Song S, Gao Y, Sheng Y, Rui T, Luo C. Targeting NRF2 to suppress ferroptosis in brain injury. Histol Histopathol 2020; 36:383-397. [PMID: 33242213 DOI: 10.14670/hh-18-286] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Brain injury is accompanied by serious iron metabolism disorder and oxidative stress. As a novel form of regulated cell death (RCD) depending on lipid peroxidation caused by iron overload, ferroptosis (FPT) further aggravates brain injury, which is different from apoptosis, autophagy and other traditional cell death in terms of biochemistry, morphology and genetics. Noteworthy, transcriptional regulator NRF2 plays a key role in the cell antioxidant system, and many genes related to FPT are under the control of NRF2, including genes for iron regulation, thiol-dependent antioxidant system, enzymatic detoxification of RCS and carbonyls, NADPH regeneration and ROS sources from mitochondria or extra-mitochondria, which place NRF2 in the key position of regulating the ferroptotic death. Importantly, NRF2 can reduce iron load and resist FPT. In the future, it is expected to open up a new way to treat brain injury by targeting NRF2 to alleviate FPT in brain.
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Affiliation(s)
- Shunchen Song
- Department of Forensic Medicine, Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Yaxuan Gao
- Department of Forensic Medicine, Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Yi Sheng
- Department of Forensic Medicine, Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Tongyu Rui
- Department of Forensic Medicine, Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Chengliang Luo
- Department of Forensic Medicine, Medical College of Soochow University, Suzhou, Jiangsu, China.
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20
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Sexually dimorphic and brain region-specific transporter adaptations in system x c- null mice. Neurochem Int 2020; 141:104888. [PMID: 33199267 DOI: 10.1016/j.neuint.2020.104888] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 10/17/2020] [Accepted: 10/19/2020] [Indexed: 02/07/2023]
Abstract
System xc- is a heterodimeric amino acid antiporter that, in the central nervous system, is best known for linking the import of L-cystine (CySS) with the export of L-glutamate for the production and maintenance of cellular glutathione (GSH) and extracellular glutamate levels, respectively. Yet, mice that are null for system xc- are healthy, fertile, and, morphologically, their brains are grossly normal. This suggests other glutamate and/or cyst(e)ine transport mechanisms may be upregulated in compensation. To test this, we measured the plasma membrane expression of Excitatory Amino Acid Transporters (EAATs) 1-3, the Alanine-Serine-Cysteine-Transporter (ASCT) 1, the sodium-coupled neutral amino acid transporter (SNAT) 3 and the L Amino Acid Transporter (LAT) 2 in striatum, hippocampus and cortex of male and female mice using Western Blot analysis. Present results demonstrate brain region and transporter-specific changes occurs in female system xc- null mice with increased expression of EAAT1 and ASCT1 occurring in the striatum and cortex, respectively, and decreased SNAT 3 expression in cortex. In male system xc- null brain, only SNAT3 was altered significantly - increasing in the cortex, but decreasing in the striatum. Total levels of GSH and CyS were similar to that found in age and sex-matched littermate control mice, however, reductions in the ratio of reduced to oxidized GSH (GSH/GSSG) - a hallmark of oxidative stress - were found in all three brain regions in female system xc- null mice, whereas this occurred exclusively in the striatum of males. Protein levels of Superoxide dismutase (SOD) 1 were reduced, whereas SOD2 was enhanced in the hippocampus of male xc- null mice only. Finally, striatal vulnerability to 3-nitropropionic acid (3-NP)-mediated oxidative stress in either sex showed no genotype difference, although 3-NP was more toxic to female mice of either genotype, as evidenced by an increase in moribundity as compared to males.
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21
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Wang X, Liu Q, Kong D, Long Z, Guo Y, Wang S, Liu R, Hai C. Down-regulation of SETD6 protects podocyte against high glucose and palmitic acid-induced apoptosis, and mitochondrial dysfunction via activating Nrf2-Keap1 signaling pathway in diabetic nephropathy. J Mol Histol 2020; 51:549-558. [PMID: 32803470 DOI: 10.1007/s10735-020-09904-6] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2020] [Accepted: 08/09/2020] [Indexed: 02/07/2023]
Abstract
Diabetic nephropathy (DN), a serious complication of hyperglycemia, is one of the most common causes of end-stage renal disease (ESRD). Glomerular podocyte injury is a major mechanism that leads to DN. However, the mechanisms underlying podocyte injury are ambiguous. In this study, we sought to investigate the contribution of SET domain-containing protein 6 (SETD6) to the pathogenesis of podocyte injury induced by glucose (GLU) and palmitic acid (PA), as well as the underlying mechanisms. Our results showed that GLU and PA treatment significantly decreased SETD6 expression in mouse podocytes. Besides, Cell Counting Kit-8 (CCK-8) and flow cytometry assay demonstrated that silencing of SETD6 silence obviously enhanced cell viability, and suppressed apoptosis in GLU and PA-induced podocytes. We also discovered that downregulation of SETD6 suppressed GLU and PA-induced ROS generation and podocyte mitochondrial dysfunction. Nrf2-Keap1 signaling pathway was involved in the effect of SETD6 on mitochondrial dysfunction. Taken together, silencing of SETD6 protected mouse podocyte against apoptosis and mitochondrial dysfunction through activating Nrf2-Keap1 signaling pathway. Therefore these data provide new insights into new potential therapeutic targets for DN treatment.
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Affiliation(s)
- Xiang Wang
- Department of Toxicology, The Ministry of Education, Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Laboratory of Free Radical Biology and Medicine, School of Public Health, Air Force Medical University (Fourth Military Medical University), 127 Changle Western Road, Xi'an, 710032, Shaanxi, People's Republic of China
- Department of Physiopathology, Xi'an Medical University, Xi'an, 710021, Shaanxi, People's Republic of China
| | - Qiling Liu
- Department of Toxicology, The Ministry of Education, Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Laboratory of Free Radical Biology and Medicine, School of Public Health, Air Force Medical University (Fourth Military Medical University), 127 Changle Western Road, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Deqin Kong
- Department of Toxicology, The Ministry of Education, Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Laboratory of Free Radical Biology and Medicine, School of Public Health, Air Force Medical University (Fourth Military Medical University), 127 Changle Western Road, Xi'an, 710032, Shaanxi, People's Republic of China
| | - Zi Long
- Department of Toxicology, The Ministry of Education, Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Laboratory of Free Radical Biology and Medicine, School of Public Health, Air Force Medical University (Fourth Military Medical University), 127 Changle Western Road, Xi'an, 710032, Shaanxi, People's Republic of China
| | - YuFang Guo
- Department of Physiopathology, Xi'an Medical University, Xi'an, 710021, Shaanxi, People's Republic of China
| | - Shuang Wang
- Department of Physiopathology, Xi'an Medical University, Xi'an, 710021, Shaanxi, People's Republic of China
| | - Rui Liu
- Department of Toxicology, The Ministry of Education, Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Laboratory of Free Radical Biology and Medicine, School of Public Health, Air Force Medical University (Fourth Military Medical University), 127 Changle Western Road, Xi'an, 710032, Shaanxi, People's Republic of China.
| | - Chunxu Hai
- Department of Toxicology, The Ministry of Education, Key Lab of Hazard Assessment and Control in Special Operational Environment, Shaanxi Provincial Key Laboratory of Free Radical Biology and Medicine, School of Public Health, Air Force Medical University (Fourth Military Medical University), 127 Changle Western Road, Xi'an, 710032, Shaanxi, People's Republic of China.
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Hannan MA, Dash R, Sohag AAM, Haque MN, Moon IS. Neuroprotection Against Oxidative Stress: Phytochemicals Targeting TrkB Signaling and the Nrf2-ARE Antioxidant System. Front Mol Neurosci 2020; 13:116. [PMID: 32714148 PMCID: PMC7346762 DOI: 10.3389/fnmol.2020.00116] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 06/04/2020] [Indexed: 12/14/2022] Open
Abstract
Oxidative stress (OS) plays a critical role in the pathophysiology of several brain-related disorders, including neurodegenerative diseases and ischemic stroke, which are the major causes of dementia. The Nrf2-ARE (nuclear factor erythroid 2-related factor 2/antioxidant responsive element antioxidant) system, the primary cellular defense against OS, plays an essential role in neuroprotection by regulating the expressions of antioxidant molecules and enzymes. However, simultaneous events resulting in the overproduction of reactive oxygen species (ROS) and deregulation of the Nrf2-ARE system damage essential cell components and cause loss of neuron structural and functional integrity. On the other hand, TrkB (tropomyosin-related kinase B) signaling, a classical neurotrophin signaling pathway, regulates neuronal survival and synaptic plasticity, which play pivotal roles in memory and cognition. Also, TrkB signaling, specifically the TrkB/PI3K/Akt (TrkB/phosphatidylinositol 3 kinase/protein kinase B) pathway promotes the activation and nuclear translocation of Nrf2, and thus, confers neuroprotection against OS. However, the TrkB signaling pathway is also known to be downregulated in brain disorders due to lack of neurotrophin support. Therefore, activations of TrkB and the Nrf2-ARE signaling system offer a potential approach to the design of novel therapeutic agents for brain disorders. Here, we briefly overview the development of OS and the association between OS and the pathogenesis of neurodegenerative diseases and brain injury. We propose the cellular antioxidant defense and TrkB signaling-mediated cell survival systems be considered pharmacological targets for the treatment of neurodegenerative diseases, and review the literature on the neuroprotective effects of phytochemicals that can co-activate these neuronal defense systems.
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Affiliation(s)
- Md. Abdul Hannan
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju, South Korea
- Department of Biochemistry and Molecular Biology, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Raju Dash
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju, South Korea
| | - Abdullah Al Mamun Sohag
- Department of Biochemistry and Molecular Biology, Bangladesh Agricultural University, Mymensingh, Bangladesh
| | - Md. Nazmul Haque
- Department of Fisheries Biology and Genetics, Patuakhali Science and Technology University, Patuakhali, Bangladesh
| | - Il Soo Moon
- Department of Anatomy, Dongguk University College of Medicine, Gyeongju, South Korea
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23
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Sharma V, Kaur A, Singh TG. Counteracting role of nuclear factor erythroid 2-related factor 2 pathway in Alzheimer's disease. Biomed Pharmacother 2020; 129:110373. [PMID: 32603894 DOI: 10.1016/j.biopha.2020.110373] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Revised: 06/01/2020] [Accepted: 06/02/2020] [Indexed: 12/30/2022] Open
Abstract
A salient pathological features in Alzheimer's disease includes redox impairment and neuroinflammation. Nuclear factor erythroid 2-related factor 2 (Nrf2) and Nuclear factor kappa B (NF-ҡB) are the two key transcription factors that regulate cellular responses to redox impairment and neuroinflammation respectively. An effective way to confer neuroprotection in central nervous system (CNS) is the activation of a transcription factor i.e Nuclear factor erythroid 2-related factor 2 (Nrf2). An enhancer element known as Antioxidant Response Element (ARE) mediates the expression of phase II detoxification enzymes. Nrf2 is a nuclear transcription factor that binds to ARE thereby transcribing expression of several antioxidant genes. Kelch ECH associating protein-1 (Keap1), a culin 3-based E3 ligase, polyubiquitinates Nrf2 and targets it for its degradation. Disruption in the interaction between Keap1/Nrf2 can increase the brain's endogenous antioxidant capacity and thereby responsible for cell defence against oxidative stress and neuroinflammation in Alzheimer's disease (AD). The current review discusses about Keap1-Nrf2-ARE structure and function with special emphasis on the various pathways involved in positive and negative modulation of Nrf2, namely Phosphoinositide 3- kinase (PI3K), Glycogen synthase kinase-3β (GSK-3β), Nuclear factor kappa-b (NF-ҡb), Janus kinase/signal transducer and activator of transcription (JAK-STAT),Tumour Necrosis Factor- α (TNF-α), p38Mitogen-activated protein kinases (p38MAPK), Cyclic AMP response element binding protein (CREB) and intrinsic & extrinsic apoptotic pathway. Furthermore, this review highlights the miscellaneous Nrf2 activators as promising therapeutic agents for slowingdown the progression of AD.
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Affiliation(s)
- Veerta Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Amarjot Kaur
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
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24
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Kandeil MA, Mohammed ET, Hashem KS, Aleya L, Abdel-Daim MM. Moringa seed extract alleviates titanium oxide nanoparticles (TiO2-NPs)-induced cerebral oxidative damage, and increases cerebral mitochondrial viability. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:19169-19184. [PMID: 31286372 DOI: 10.1007/s11356-019-05514-2] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Accepted: 05/17/2019] [Indexed: 06/09/2023]
Abstract
To investigate the influence of Moringa seed extract (MSE) on the cerebral Nrf2/NQO1 signaling in TiO2-NPs-induced brain damage, 80 male albino rats were divided into four groups (n = 20); group I was used as a control, group II received TiO2-NPs (500 mg/kg b.w/day orally) for 14 days, group III received MSE (100 mg/kg b.w/day orally) for 30 days, and group IV received MSE an hour before TiO2-NPs administration with the same doses as before. Administration of TiO2-NPs was started on the 17th day for both groups (II) and (IV). Administration of MSE significantly increased the cerebral mitochondrial viability and Nrf2 level with a simultaneous increase of NQO1 mRNA expression. This designates a powerful antioxidant effect of MSE which is indicated by a significant reduction of INOS expression, MDA, TOS, OSI levels, and DNA fragmentation % with a significant increase of GSH concentration, SOD activities, and TAC. MSE possesses an anti-inflammatory effect by a significant reduction of IL-1β and TNF-α levels, and anti-apoptotic effect manifested by a significant reduction of caspase-3 and Fas levels. In harmonization, dopamine, serotonin concentrations, and acetylcholinesterase activities return back to normal as compared to control group. These results were confirmed by the histopathological features which were alleviated with MSE administration. In conclusion, Nrf2 plays a pivotal role in the mechanism of TiO2-NPs cerebral toxicity and MSE as a Nrf2 activator can provide a powerful cerebroprotective effect, whereas MSE increased the Nrf2 expression and consequently restore the antioxidant activity of brain cells by increasing NQO1 gene expression and cerebral mitochondrial viability as well as inhibition of pro-inflammatory and apoptotic mediators.
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Affiliation(s)
- Mohamed A Kandeil
- Department of Biochemistry, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Eman T Mohammed
- Department of Biochemistry, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt.
| | - Khalid S Hashem
- Department of Biochemistry, Faculty of Veterinary Medicine, Beni-Suef University, Beni-Suef, 62511, Egypt
| | - Lotfi Aleya
- Chrono-Environnement Laboratory, UMR CNRS 6249, Bourgogne Franche-Comté University, Besançon Cedex, France
| | - Mohamed M Abdel-Daim
- Department of Zoology, Science College, King Saud University, Riyadh, 11451, Saudi Arabia.
- Department of Pharmacology, Faculty of Veterinary Medicine, Suez Canal University, Ismailia, 41522, Egypt.
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25
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Ku CC, Wuputra K, Kato K, Lin WH, Pan JB, Tsai SC, Kuo CJ, Lee KH, Lee YL, Lin YC, Saito S, Noguchi M, Nakamura Y, Miyoshi H, Eckner R, Nagata K, Wu DC, Lin CS, Yokoyama KK. Jdp2-deficient granule cell progenitors in the cerebellum are resistant to ROS-mediated apoptosis through xCT/Slc7a11 activation. Sci Rep 2020; 10:4933. [PMID: 32188872 PMCID: PMC7080836 DOI: 10.1038/s41598-020-61692-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2019] [Accepted: 02/26/2020] [Indexed: 12/12/2022] Open
Abstract
The Jun dimerization protein 2 (Jdp2) is expressed predominantly in granule cell progenitors (GCPs) in the cerebellum, as was shown in Jdp2-promoter-Cre transgenic mice. Cerebellum of Jdp2-knockout (KO) mice contains lower number of Atoh-1 positive GCPs than WT. Primary cultures of GCPs from Jdp2-KO mice at postnatal day 5 were more resistant to apoptosis than GCPs from wild-type mice. In Jdp2-KO GCPs, the levels of both the glutamate‒cystine exchanger Sc7a11 and glutathione were increased; by contrast, the activity of reactive oxygen species (ROS) was decreased; these changes confer resistance to ROS-mediated apoptosis. In the absence of Jdp2, a complex of the cyclin-dependent kinase inhibitor 1 (p21Cip1) and Nrf2 bound to antioxidant response elements of the Slc7a11 promoter and provide redox control to block ROS-mediated apoptosis. These findings suggest that an interplay between Jdp2, Nrf2, and p21Cip1 regulates the GCP apoptosis, which is one of critical events for normal development of the cerebellum.
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Affiliation(s)
- Chia-Chen Ku
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.).,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.)
| | - Kenly Wuputra
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.).,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.)
| | - Kohsuke Kato
- Department of Infection Biology, Graduate School of Comprehensive Human Sciences, The University of Tsukuba, 305-8577, Tsukuba, Ibaraki, Japan
| | - Wen-Hsin Lin
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.).,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.)
| | - Jia-Bin Pan
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.).,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.)
| | - Shih-Chieh Tsai
- National Laboratory Animal Center, National Applied Research Laboratories (NARLabs), Xinshi Dist., 74147, Tainan, Taiwan (R.O.C.).,Founder of Gecoll Biomedicine Co. Ltd., Xinshi Dist., 744, Tainan, Taiwan (R.O.C.)
| | - Che-Jung Kuo
- National Laboratory Animal Center, National Applied Research Laboratories (NARLabs), Xinshi Dist., 74147, Tainan, Taiwan (R.O.C.)
| | - Kan-Hung Lee
- National Laboratory Animal Center, National Applied Research Laboratories (NARLabs), Nangang Dist., 11599, Taipei, Taiwan (R.O.C.)
| | - Yan-Liang Lee
- Welgene Biotech., Inc., 11503, Taipei, Taiwan (R.O.C.)
| | - Ying-Chu Lin
- School of Dentistry, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan
| | - Shigeo Saito
- Saito Laboratory of Cell Technology, Yaita, 329-2192, Tochigi, Japan.,Waseda Research Institute for Science & Engineering, Waseda University, 169-0051, Tokyo, Japan
| | - Michiya Noguchi
- Cell Engineering Division, RIKEN BioResource Research Center, 305-0074, Tsukuba, Ibaraki, Japan
| | - Yukio Nakamura
- Cell Engineering Division, RIKEN BioResource Research Center, 305-0074, Tsukuba, Ibaraki, Japan
| | - Hiroyuki Miyoshi
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.).,Department of Physiology, Keio University School of Medicine, Shinanaomachi, 168-8582, Tokyo, Japan
| | - Richard Eckner
- Departent of. Biochemistry & Molecular Biology, Rutgers New Jersey Medical School, The State University of New Jersey, 07-103, Newark, NJ, USA
| | - Kyosuke Nagata
- Department of Infection Biology, Graduate School of Comprehensive Human Sciences, The University of Tsukuba, 305-8577, Tsukuba, Ibaraki, Japan
| | - Deng-Chyang Wu
- Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.).,Division of Gastroenterology, Department of Internal Medicine, Kaohsiung Medical University Hospital, 80708, Kaohsiung, Taiwan (R.O.C.)
| | - Chang-Shen Lin
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.). .,Department of Biological Sciences, National Sun Yat-sen University, 80424, Kaohsiung, Taiwan (R.O.C.).
| | - Kazunari K Yokoyama
- Graduate Institute of Medicine, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.). .,Regenerative Medicine and Cell Therapy Research Center, Kaohsiung Medical University, 80708, Kaohsiung, Taiwan (R.O.C.). .,Department of Molecular Preventive Medicine, Graduate School of Medicine, The University of Tokyo, 113-8655, Tokyo, Japan.
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26
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Mohseni I, Peeri M, Azarbayjani MA. Dietary supplementation with Salvia officinalis L. and aerobic training attenuates memory deficits via the CREB-BDNF pathway in amyloid beta- injected rats. JOURNAL OF MEDICINAL PLANTS 2020; 1:119-132. [DOI: 10.29252/jmp.1.73.119] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/30/2023]
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27
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Brandes MS, Gray NE. NRF2 as a Therapeutic Target in Neurodegenerative Diseases. ASN Neuro 2020; 12:1759091419899782. [PMID: 31964153 PMCID: PMC6977098 DOI: 10.1177/1759091419899782] [Citation(s) in RCA: 148] [Impact Index Per Article: 37.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Revised: 11/26/2019] [Accepted: 12/03/2019] [Indexed: 12/13/2022] Open
Abstract
Increased reactive oxygen species production and oxidative stress have been implicated in the pathogenesis of numerous neurodegenerative conditions including among others Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, Friedrich’s ataxia, multiple sclerosis, and stroke. The endogenous antioxidant response pathway protects cells from oxidative stress by increasing the expression of cytoprotective enzymes and is regulated by the transcription factor nuclear factor erythroid 2-related factor 2 (NRF2). In addition to regulating the expression of antioxidant genes, NRF2 has also been shown to exert anti-inflammatory effects and modulate both mitochondrial function and biogenesis. This is because mitochondrial dysfunction and neuroinflammation are features of many neurodegenerative diseases as well NRF2 has emerged as a promising therapeutic target. Here, we review evidence for a beneficial role of NRF2 in neurodegenerative conditions and the potential of specific NRF2 activators as therapeutic agents.
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Affiliation(s)
- Mikah S. Brandes
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA
| | - Nora E. Gray
- Department of Neurology, Oregon Health and Science University, Portland, OR, USA
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28
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Effects of Docosahexaenoic Acid and Its Peroxidation Product on Amyloid-β Peptide-Stimulated Microglia. Mol Neurobiol 2019; 57:1085-1098. [PMID: 31677009 DOI: 10.1007/s12035-019-01805-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 09/26/2019] [Indexed: 12/13/2022]
Abstract
Growing evidence suggests that docosahexaenoic acid (DHA) exerts neuroprotective effects, although the mechanism(s) underlying these beneficial effects are not fully understood. Here we demonstrate that DHA, but not arachidonic acid (ARA), suppressed oligomeric amyloid-β peptide (oAβ)-induced reactive oxygen species (ROS) production in primary mouse microglia and immortalized mouse microglia (BV2). Similarly, DHA but not ARA suppressed oAβ-induced increases in phosphorylated cytosolic phospholipase A2 (p-cPLA2), inducible nitric oxide synthase (iNOS), and tumor necrosis factor-α (TNF-α) in BV2 cells. LC-MS/MS assay indicated the ability for DHA to cause an increase in 4-hydroxyhexenal (4-HHE) and suppress oAβ-induced increase in 4-hydroxynonenal (4-HNE). Although oAβ did not alter the nuclear factor erythroid 2-related factor 2 (Nrf2) pathway, exogenous DHA, ARA as well as low concentrations of 4-HHE and 4-HNE upregulated this pathway and increased production of heme oxygenase-1 (HO-1) in microglial cells. These results suggest that DHA modulates ARA metabolism in oAβ-stimulated microglia through suppressing oxidative and inflammatory pathways and upregulating the antioxidative stress pathway involving Nrf2/HO-1. Understanding the mechanism(s) underlying the beneficial effects of DHA on microglia should shed light into nutraceutical therapy for the prevention and treatment of Alzheimer's disease (AD).
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29
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Zhang C, Liang W, Wang H, Yang Y, Wang T, Wang S, Wang X, Wang Y, Feng H. γ-Oryzanol mitigates oxidative stress and prevents mutant SOD1-Related neurotoxicity in Drosophila and cell models of amyotrophic lateral sclerosis. Neuropharmacology 2019; 160:107777. [PMID: 31521619 DOI: 10.1016/j.neuropharm.2019.107777] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2019] [Revised: 08/24/2019] [Accepted: 09/10/2019] [Indexed: 12/21/2022]
Abstract
Oxidative stress plays a critical role in mutant copper/zinc superoxide dismutase 1 (SOD1)-linked amyotrophic lateral sclerosis (ALS), a fatal neurodegenerative disease characterized by selective loss of motor neurons. Thus, an anti-oxidative stress remedy might be a promising means for the treatment of ALS. The aim of the present study is to investigate the neuroprotective effects of γ-oryzanol (Orz) and elucidate its relevant molecular mechanisms in mutant hSOD1-linked Drosophila and cell models of ALS. Orz treatment provided neuroprotection in flies with expression of hSOD1-G85R in motor neurons, as demonstrated by the prolonged survival, improvement of motor deficits, reduced oxidative damage and regulated redox homeostasis when compared with those in controls. Moreover, Orz significantly decreased neuronal apoptosis and upregulated the nuclear factor erythroid 2-related factor 2 (Nrf2)/glutamate-cysteine ligase catalytic subunit (GCLC) antioxidant pathway via activating Akt in hSOD1-G93A-expressing NSC-34 cells. In addition, our results showed that both in vivo and in vitro, Akt served as an upstream regulator of signal transducers and activators of transcription (Stat) 3 stimulated by Orz, which further increased the level of another anti-oxidative stress factor heat-shock protein 70 (HSP70). Altogether, these findings provide evidence that Orz has potential neuroprotective effects that may be beneficial in the treatment of ALS disease with SOD1 mutations.
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Affiliation(s)
- Chunting Zhang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150001, PR China
| | - Weiwei Liang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150001, PR China; Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150001, PR China
| | - Hongyong Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150001, PR China
| | - Yueqing Yang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150001, PR China
| | - Tianhang Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150001, PR China
| | - Shuyu Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150001, PR China
| | - Xudong Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150001, PR China
| | - Ying Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150001, PR China
| | - Honglin Feng
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province 150001, PR China.
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30
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Bansal Y, Singh R, Parhar I, Kuhad A, Soga T. Quinolinic Acid and Nuclear Factor Erythroid 2-Related Factor 2 in Depression: Role in Neuroprogression. Front Pharmacol 2019; 10:452. [PMID: 31164818 PMCID: PMC6536572 DOI: 10.3389/fphar.2019.00452] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2018] [Accepted: 04/09/2019] [Indexed: 12/14/2022] Open
Abstract
Depression is an incapacitating neuropsychiatric disorder. The serotonergic system in the brain plays an important role in the pathophysiology of depression. However, due to delayed and/or poor performance of selective serotonin reuptake inhibitors in treating depressive symptoms, the role of the serotonergic system in depression has been recently questioned further. Evidence from recent studies suggests that increased inflammation and oxidative stress may play significant roles in the pathophysiology of depression. The consequences of these factors can lead to the neuroprogression of depression, involving neurodegeneration, astrocytic apoptosis, reduced neurogenesis, reduced plasticity (neuronal and synaptic), and enhanced immunoreactivity. Specifically, increased proinflammatory cytokine levels have been shown to activate the kynurenine pathway, which causes increased production of quinolinic acid (QA, an N-Methyl-D-aspartate agonist) and decreases the synthesis of serotonin. QA exerts many deleterious effects on the brain via mechanisms including N-methyl-D-aspartate excitotoxicity, increased oxidative stress, astrocyte degeneration, and neuronal apoptosis. QA may also act directly as a pro-oxidant. Additionally, the nuclear translocation of antioxidant defense factors, such as nuclear factor (erythroid-derived 2)-like 2 (Nrf2), is downregulated in depression. Hence, in the present review, we discuss the role of QA in increasing oxidative stress in depression by modulating the nuclear translocation of nuclear factor (erythroid-derived 2)-like 2 and thus affecting the synthesis of antioxidant enzymes.
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Affiliation(s)
- Yashika Bansal
- Pharmacology Research Lab, University Institute of Pharmaceutical Sciences UGC-Centre of Advanced Study, Panjab University, Chandigarh, India
| | - Raghunath Singh
- Pharmacology Research Lab, University Institute of Pharmaceutical Sciences UGC-Centre of Advanced Study, Panjab University, Chandigarh, India
| | - Ishwar Parhar
- Brain Research Institute Monash Sunway, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
| | - Anurag Kuhad
- Pharmacology Research Lab, University Institute of Pharmaceutical Sciences UGC-Centre of Advanced Study, Panjab University, Chandigarh, India
| | - Tomoko Soga
- Brain Research Institute Monash Sunway, Jeffrey Cheah School of Medicine and Health Sciences, Monash University Malaysia, Bandar Sunway, Malaysia
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31
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Ranea-Robles P, Launay N, Ruiz M, Calingasan NY, Dumont M, Naudí A, Portero-Otín M, Pamplona R, Ferrer I, Beal MF, Fourcade S, Pujol A. Aberrant regulation of the GSK-3β/NRF2 axis unveils a novel therapy for adrenoleukodystrophy. EMBO Mol Med 2019; 10:emmm.201708604. [PMID: 29997171 PMCID: PMC6079538 DOI: 10.15252/emmm.201708604] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The nuclear factor erythroid 2‐like 2 (NRF2) is the master regulator of endogenous antioxidant responses. Oxidative damage is a shared and early‐appearing feature in X‐linked adrenoleukodystrophy (X‐ALD) patients and the mouse model (Abcd1 null mouse). This rare neurometabolic disease is caused by the loss of function of the peroxisomal transporter ABCD1, leading to an accumulation of very long‐chain fatty acids and the induction of reactive oxygen species of mitochondrial origin. Here, we identify an impaired NRF2 response caused by aberrant activity of GSK‐3β. We find that GSK‐3β inhibitors can significantly reactivate the blunted NRF2 response in patients’ fibroblasts. In the mouse models (Abcd1− and Abcd1−/Abcd2−/− mice), oral administration of dimethyl fumarate (DMF/BG12/Tecfidera), an NRF2 activator in use for multiple sclerosis, normalized (i) mitochondrial depletion, (ii) bioenergetic failure, (iii) oxidative damage, and (iv) inflammation, highlighting an intricate cross‐talk governing energetic and redox homeostasis in X‐ALD. Importantly, DMF halted axonal degeneration and locomotor disability suggesting that therapies activating NRF2 hold therapeutic potential for X‐ALD and other axonopathies with impaired GSK‐3β/NRF2 axis.
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Affiliation(s)
- Pablo Ranea-Robles
- Neurometabolic Diseases Laboratory, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat Barcelona, Spain.,CIBERER U759, Center for Biomedical Research on Rare Diseases ISCIII, Barcelona, Spain
| | - Nathalie Launay
- Neurometabolic Diseases Laboratory, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat Barcelona, Spain.,CIBERER U759, Center for Biomedical Research on Rare Diseases ISCIII, Barcelona, Spain
| | - Montserrat Ruiz
- Neurometabolic Diseases Laboratory, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat Barcelona, Spain.,CIBERER U759, Center for Biomedical Research on Rare Diseases ISCIII, Barcelona, Spain
| | - Noel Ylagan Calingasan
- Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, New York, NY, USA
| | - Magali Dumont
- UMR S 1127, Inserm, U1127, CNRS, UMR 7225, Institut du Cerveau et de la Moelle épinière, Sorbonne Universités, UPMC Université Paris 06, Paris, France
| | - Alba Naudí
- Experimental Medicine Department, University of Lleida-IRB Lleida, Lleida, Spain
| | - Manuel Portero-Otín
- Experimental Medicine Department, University of Lleida-IRB Lleida, Lleida, Spain
| | - Reinald Pamplona
- Experimental Medicine Department, University of Lleida-IRB Lleida, Lleida, Spain
| | - Isidre Ferrer
- Department of Pathology and Experimental Therapeutics, Faculty of Medicine, University of Barcelona, L'Hospitalet de Llobregat Barcelona, Spain.,Center for Biomedical Research on Neurodegenerative Diseases (CIBERNED), ISCIII, Madrid, Spain.,Institute of Neurosciences, University of Barcelona, Barcelona, Spain.,IDIBELL-Bellvitge University Hospital, L'Hospitalet de Llobregat, Spain
| | - M Flint Beal
- Feil Family Brain and Mind Research Institute, Weill Cornell Medical College, New York, NY, USA
| | - Stéphane Fourcade
- Neurometabolic Diseases Laboratory, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat Barcelona, Spain .,CIBERER U759, Center for Biomedical Research on Rare Diseases ISCIII, Barcelona, Spain
| | - Aurora Pujol
- Neurometabolic Diseases Laboratory, Bellvitge Biomedical Research Institute (IDIBELL), L'Hospitalet de Llobregat Barcelona, Spain .,CIBERER U759, Center for Biomedical Research on Rare Diseases ISCIII, Barcelona, Spain.,Catalan Institution of Research and Advanced Studies (ICREA), Barcelona, Spain
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32
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Zhang Y, Ahmad KA, Khan FU, Yan S, Ihsan AU, Ding Q. Chitosan oligosaccharides prevent doxorubicin-induced oxidative stress and cardiac apoptosis through activating p38 and JNK MAPK mediated Nrf2/ARE pathway. Chem Biol Interact 2019; 305:54-65. [PMID: 30928397 DOI: 10.1016/j.cbi.2019.03.027] [Citation(s) in RCA: 52] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 03/14/2019] [Accepted: 03/26/2019] [Indexed: 11/19/2022]
Abstract
Doxorubicin (DOX) is one of the most effective chemotherapeutic drugs; however, the incidence of cardiotoxicity compromises its therapeutic index. Oxidative stress and apoptosis are believed to be involved in DOX-induced cardiotoxicity. Chitosan oligosaccharides (COS), the enzymatic hydrolysates of chitosan, have been reported to possess diverse biological activities including antioxidant and anti-apoptotic properties. The objective of the present study was to investigate the potential role of COS against DOX-induced cardiotoxicity, and the effects of COS on apoptosis and oxidative stress in rats and H9C2 cells. Furthermore, we also shed light on the involved pathways during the whole process. For this purpose, first, we demonstrated that COS exhibited a significant protective effect on cardiac tissue by not only inducing a decrease in body and heart growth but also ameliorated oxidative damage and ECG alterations in DOX-treated rats. Second, we found that COS reversed the decrease of cell viability induced by DOX, reduced the intracellular reactive oxygen species (ROS), increased the mitochondrial membrane potential (MMP) and Bcl-2/Bax ratio. COS treatment also results in reduced caspase-3 and caspase-9 expressions, and an increase in the phosphorylation of MAPKs (mitogen-activated protein kinases) in DOX-exposed H9C2 cells. Additionally, cellular homeostasis was re-established via stabilization of MAPK mediated nuclear factor erythroid 2-related factor 2/antioxidant-response element (Nrf2/ARE) signaling and transcription of downstream cytoprotective genes. In summary, these findings suggest that COS could be a potential candidate for the prevention and treatment of DOX-induced cardiotoxicity.
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Affiliation(s)
- Yongtian Zhang
- Experimental and Teaching Center of Medical Basis for Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, China
| | - Khalil Ali Ahmad
- Experimental and Teaching Center of Medical Basis for Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, China; Shanghai Jiao Tong University, School of Pharmacy, 800 Dongchuan Road, Shanghai, 200240, China
| | - Farhan Ullah Khan
- Shanghai Jiao Tong University, School of Pharmacy, 800 Dongchuan Road, Shanghai, 200240, China; Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu Province, 211198, China
| | - Simin Yan
- Experimental and Teaching Center of Medical Basis for Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, China
| | - Awais Ullah Ihsan
- Department of Clinical Pharmacy, School of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu Province, 211198, China
| | - Qilong Ding
- Experimental and Teaching Center of Medical Basis for Pharmacy, China Pharmaceutical University, Nanjing, Jiangsu, China.
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Zheng H, Su Y, Sun Y, Tang T, Zhang D, He X, Wang J. Echinacoside alleviates hypobaric hypoxia‐induced memory impairment in C57 mice. Phytother Res 2019; 33:1150-1160. [DOI: 10.1002/ptr.6310] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 12/28/2018] [Accepted: 01/18/2019] [Indexed: 01/19/2023]
Affiliation(s)
- Hongnan Zheng
- Department of Natural Medicine, School of PharmacyFourth Military Medical University Xi'an China
| | - Yuting Su
- School of New Media ArtXi'an Polytechnic University Xi'an China
| | - Yang Sun
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of PharmacyFourth Military Medical University Xi'an China
| | - Tianle Tang
- Key Laboratory of Gastrointestinal Pharmacology of Chinese Materia Medica of the State Administration of Traditional Chinese Medicine, Department of Pharmacology, School of PharmacyFourth Military Medical University Xi'an China
| | - Di Zhang
- Department of PharmacyXijing Hospital, Fourth Military Medical University Xi'an China
| | - Xuefeng He
- Department of Natural Medicine, School of PharmacyFourth Military Medical University Xi'an China
| | - Jianbo Wang
- Department of Natural Medicine, School of PharmacyFourth Military Medical University Xi'an China
- Product R & D DepartmentSichuan Institute for Translational Chinese Medicine Chengdu China
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Zhang C, Yang Y, Liang W, Wang T, Wang S, Wang X, Wang Y, Jiang H, Feng H. Neuroprotection by urate on the mutant hSOD1-related cellular and Drosophila models of amyotrophic lateral sclerosis: Implication for GSH synthesis via activating Akt/GSK3β/Nrf2/GCLC pathways. Brain Res Bull 2019; 146:287-301. [PMID: 30690059 DOI: 10.1016/j.brainresbull.2019.01.019] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 12/06/2018] [Accepted: 01/22/2019] [Indexed: 12/13/2022]
Abstract
Oxidative stress has been considered as a principal mechanism of motor neuron death in amyotrophic lateral sclerosis (ALS), a fatal neurodegenerative disease which could be caused by dominant mutations in an antioxidant enzyme superoxide dismutase-1 (SOD1). The aim of the present study was to investigate the potential neuroprotective effects and mechanisms of urate, an important endogenous antioxidant and a biomarker of favorable ALS progression rates, in the mutant human SOD1-related cellular and Drosophila models of ALS. Our results showed that urate treatment provided neuroprotective effects as confirmed by enhanced survival, attenuated motor impairments, reduced oxidative damage and increased antioxidant defense in hSOD1-G85R-expressing Drosophila models of ALS. In vitro studies, we demonstrated that urate protected motor neurons (NSC-34 cells) against hSOD1-G93A-induced cell damage and apoptosis by decreasing reactive oxygen specials (ROS) production and oxidative damage. Moreover, urate markedly increased the expression and activation of nuclear factor erythroid 2-related factor 2 (Nrf2), stimulated Nrf2-targeted antioxidant gene glutathione cysteine ligase catalytic subunit (GCLC) expression and glutathione (GSH) synthesis by upregulating Akt/GSK3β pathway. Furthermore, the inhibition of Akt pathway with LY294002 abolished urate-mediated elevation of GSH synthesis and neuroprotective effects both in vivo and in vitro. Overall, these results suggested that, in addition to its direct scavenging of ROS, urate markedly enhanced GSH expression by activating Akt/GSK3β/Nrf2/GCLC pathway, and thus offering neuroprotective effects on motor neurons against oxidative stress.
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Affiliation(s)
- Chunting Zhang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150001, PR China
| | - Yueqing Yang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150001, PR China
| | - Weiwei Liang
- Department of Neurology, The Second Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150001, PR China
| | - Tianhang Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150001, PR China
| | - Shuyu Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150001, PR China
| | - Xudong Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150001, PR China
| | - Ying Wang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150001, PR China
| | - Hongquan Jiang
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150001, PR China
| | - Honglin Feng
- Department of Neurology, The First Affiliated Hospital of Harbin Medical University, Harbin, Heilongjiang Province, 150001, PR China.
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Gutbier S, Spreng AS, Delp J, Schildknecht S, Karreman C, Suciu I, Brunner T, Groettrup M, Leist M. Prevention of neuronal apoptosis by astrocytes through thiol-mediated stress response modulation and accelerated recovery from proteotoxic stress. Cell Death Differ 2018; 25:2101-2117. [PMID: 30390092 PMCID: PMC6261954 DOI: 10.1038/s41418-018-0229-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2018] [Revised: 09/12/2018] [Accepted: 10/11/2018] [Indexed: 01/04/2023] Open
Abstract
The development of drugs directly interfering with neurodegeneration has proven to be astonishingly difficult. Alternative therapeutic approaches could result from a better understanding of the supportive function of glial cells for stressed neurons. Therefore, here, we investigated the mechanisms involved in the endogenous neuro-defensive activity of astrocytes. A well-established model of postmitotic human dopaminergic neurons (LUHMES cells) was used in the absence ('LUHMES' mono-culture) or presence ('co-culture') of astrocytes. Inhibition of the LUHMES proteasome led to proteotoxic (protein aggregates; ATF-4 induction) and oxidative (GSH-depletion; NRF-2 induction) stress, followed by neuronal apoptosis. The presence of astrocytes attenuated the neuronal stress response, and drastically reduced neurodegeneration. A similar difference between LUHMES mono- and co-cultures was observed, when proteotoxic and oxidative stress was triggered indirectly by inhibitors of mitochondrial function (rotenone, MPP+). Human and murine astrocytes continuously released glutathione (GSH) into the medium, and transfer of glia-conditioned medium was sufficient to rescue LUHMES, unless it was depleted for GSH. Also, direct addition of GSH to LUHMES rescued the neurons from inhibition of the proteasome. Both astrocytes and GSH blunted the neuronal ATF-4 response and similarly upregulated NRF-1/NFE2L1, a transcription factor counter-regulating neuronal proteotoxic stress. Astrocyte co-culture also helped to recover the neurons' ability to degrade aggregated poly-ubiquitinated proteins. Overexpression of NRF-1 attenuated the toxicity of proteasome inhibition, while knockdown increased toxicity. Thus, astrocytic thiol supply increased neuronal resilience to various proteotoxic stressors by simultaneously attenuating cell death-related stress responses, and enhancing the recovery from proteotoxic stress through upregulation of NRF-1.
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Affiliation(s)
- Simon Gutbier
- In vitro Toxicology and Biomedicine, Dept inaugurated by the Doerenkamp-Zbinden foundation, University of Konstanz, 78457, Konstanz, Germany
- Research Training Group RTG1331, University of Konstanz, Konstanz, Germany
| | - Anna-Sophie Spreng
- In vitro Toxicology and Biomedicine, Dept inaugurated by the Doerenkamp-Zbinden foundation, University of Konstanz, 78457, Konstanz, Germany
- Konstanz Research School Chemical Biology, University of Konstanz, Constance, Germany
| | - Johannes Delp
- In vitro Toxicology and Biomedicine, Dept inaugurated by the Doerenkamp-Zbinden foundation, University of Konstanz, 78457, Konstanz, Germany
- Research Training Group RTG1331, University of Konstanz, Konstanz, Germany
- Cooperative Doctorate College InViTe, University of Konstanz, Konstanz, Germany
| | - Stefan Schildknecht
- In vitro Toxicology and Biomedicine, Dept inaugurated by the Doerenkamp-Zbinden foundation, University of Konstanz, 78457, Konstanz, Germany
| | - Christiaan Karreman
- In vitro Toxicology and Biomedicine, Dept inaugurated by the Doerenkamp-Zbinden foundation, University of Konstanz, 78457, Konstanz, Germany
| | - Ilinca Suciu
- In vitro Toxicology and Biomedicine, Dept inaugurated by the Doerenkamp-Zbinden foundation, University of Konstanz, 78457, Konstanz, Germany
- Konstanz Research School Chemical Biology, University of Konstanz, Constance, Germany
| | - Thomas Brunner
- Biochemical Pharmacology, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Marcus Groettrup
- Division of Immunology, Department of Biology, University of Konstanz, D-78457, Konstanz, Germany
| | - Marcel Leist
- In vitro Toxicology and Biomedicine, Dept inaugurated by the Doerenkamp-Zbinden foundation, University of Konstanz, 78457, Konstanz, Germany.
- CAAT-Europe, University of Konstanz, 78457, Konstanz, Germany.
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Antioxidants: Positive or Negative Actors? Biomolecules 2018; 8:biom8040124. [PMID: 30366441 PMCID: PMC6316255 DOI: 10.3390/biom8040124] [Citation(s) in RCA: 112] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 10/16/2018] [Accepted: 10/17/2018] [Indexed: 12/29/2022] Open
Abstract
The term “antioxidant” is one of the most confusing definitions in biological/medical sciences. In chemistry, “antioxidant” is simply conceived “a compound that removes reactive species, mainly those oxygen-derived”, while in a cell context, the conceptual definition of an antioxidant is poorly understood. Indeed, non-clinically recommended antioxidants are often consumed in large amounts by the global population, based on the belief that cancer, inflammation and degenerative diseases are triggered by high oxygen levels (or reactive oxygen species) and that through blocking reactive species production, organic unbalances/disorders can be prevented and/or even treated. The popularity of these chemicals arises in part from the widespread public mistrust of allopathic medicine. In fact, reactive oxygen species play a dual role in dealing with different disorders, since they may contribute to disease onset and/or progression but may also play a key role in disease prevention. Further, the ability of the most commonly used supplements, such as vitamins C, E, selenium, and herbal supplements to decrease pathologic reactive oxygen species is not clearly established. Hence, the present review aims to provide a nuanced understanding of where current knowledge is and where it should go.
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The environmental pollutant, polychlorinated biphenyls, and cardiovascular disease: a potential target for antioxidant nanotherapeutics. Drug Deliv Transl Res 2018; 8:740-759. [PMID: 28975503 DOI: 10.1007/s13346-017-0429-9] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Despite production having stopped in the 1970s, polychlorinated biphenyls (PCBs) represent persistent organic pollutants that continue to pose a serious human health risk. Exposure to PCBs has been linked to chronic inflammatory diseases, such as cardiovascular disease, type 2 diabetes, obesity, as well as hepatic disorders, endocrine dysfunction, neurological deficits, and many others. This is further complicated by the PCB's strong hydrophobicity, resulting in their ability to accumulate up the food chain and to be stored in fat deposits. This means that completely avoiding exposure is not possible, thus requiring the need to develop intervention strategies that can mitigate disease risks associated with exposure to PCBs. Currently, there is excitement in the use of nutritional compounds as a way of inhibiting the inflammation associated with PCBs, yet the suboptimal delivery and pharmacology of these compounds may not be sufficient in more acute exposures. In this review, we discuss the current state of knowledge of PCB toxicity and some of the antioxidant and anti-inflammatory nanocarrier systems that may be useful as an enhanced treatment modality for reducing PCB toxicity.
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38
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Fetoni AR, Zorzi V, Paciello F, Ziraldo G, Peres C, Raspa M, Scavizzi F, Salvatore AM, Crispino G, Tognola G, Gentile G, Spampinato AG, Cuccaro D, Guarnaccia M, Morello G, Van Camp G, Fransen E, Brumat M, Girotto G, Paludetti G, Gasparini P, Cavallaro S, Mammano F. Cx26 partial loss causes accelerated presbycusis by redox imbalance and dysregulation of Nfr2 pathway. Redox Biol 2018; 19:301-317. [PMID: 30199819 PMCID: PMC6129666 DOI: 10.1016/j.redox.2018.08.002] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 07/26/2018] [Accepted: 08/05/2018] [Indexed: 11/29/2022] Open
Abstract
Mutations in GJB2, the gene that encodes connexin 26 (Cx26), are the most common cause of sensorineural hearing impairment. The truncating variant 35delG, which determines a complete loss of Cx26 protein function, is the prevalent GJB2 mutation in several populations. Here, we generated and analyzed Gjb2+/- mice as a model of heterozygous human carriers of 35delG. Compared to control mice, auditory brainstem responses (ABRs) and distortion product otoacoustic emissions (DPOAEs) worsened over time more rapidly in Gjb2+/- mice, indicating they were affected by accelerated age-related hearing loss (ARHL), or presbycusis. We linked causally the auditory phenotype of Gjb2+/- mice to apoptosis and oxidative damage in the cochlear duct, reduced release of glutathione from connexin hemichannels, decreased nutrient delivery to the sensory epithelium via cochlear gap junctions and deregulated expression of genes that are under transcriptional control of the nuclear factor erythroid 2-related factor 2 (Nrf2), a pivotal regulator of tolerance to redox stress. Moreover, a statistically significant genome-wide association with two genes (PRKCE and TGFB1) related to the Nrf2 pathway (p-value < 4 × 10-2) was detected in a very large cohort of 4091 individuals, originating from Europe, Caucasus and Central Asia, with hearing phenotype (including 1076 presbycusis patients and 1290 healthy matched controls). We conclude that (i) elements of the Nrf2 pathway are essential for hearing maintenance and (ii) their dysfunction may play an important role in the etiopathogenesis of human presbycusis.
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Affiliation(s)
- Anna Rita Fetoni
- CNR Institute of Cell Biology and Neurobiology, Monterotondo 00015, Italy; Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy; Institute of Otolaryngology, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo F. Vito 1, 00168 Rome, Italy
| | - Veronica Zorzi
- CNR Institute of Cell Biology and Neurobiology, Monterotondo 00015, Italy; Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy
| | - Fabiola Paciello
- CNR Institute of Cell Biology and Neurobiology, Monterotondo 00015, Italy; Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy
| | - Gaia Ziraldo
- CNR Institute of Cell Biology and Neurobiology, Monterotondo 00015, Italy; Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy
| | - Chiara Peres
- CNR Institute of Cell Biology and Neurobiology, Monterotondo 00015, Italy
| | - Marcello Raspa
- CNR Institute of Cell Biology and Neurobiology, Monterotondo 00015, Italy
| | | | | | - Giulia Crispino
- CNR Institute of Cell Biology and Neurobiology, Monterotondo 00015, Italy
| | - Gabriella Tognola
- CNR Institute of Electronics, Computer and Telecommunication Engineering, 20133 Milano, Italy
| | - Giulia Gentile
- CNR Institute of Neurological Sciences, 95126 Catania, Italy
| | | | - Denis Cuccaro
- CNR Institute of Neurological Sciences, 95126 Catania, Italy
| | | | | | - Guy Van Camp
- Center of Medical Genetics, University of Antwerp and Antwerp University Hospital, Universiteitsplein 1, 2610 Antwerp, Belgium
| | - Erik Fransen
- Department of Biomedical Sciences, University of Antwerp, 2650 Antwerp, Belgium
| | - Marco Brumat
- Dept Med Surg & Hlth Sci, University of Trieste, Trieste, Italy; IRCCS Burlo Garofolo, Inst Maternal & Child Hlth, Trieste, Italy
| | - Giorgia Girotto
- Dept Med Surg & Hlth Sci, University of Trieste, Trieste, Italy; IRCCS Burlo Garofolo, Inst Maternal & Child Hlth, Trieste, Italy
| | - Gaetano Paludetti
- Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy; Institute of Otolaryngology, Fondazione Policlinico Universitario A. Gemelli IRCCS, Largo F. Vito 1, 00168 Rome, Italy
| | - Paolo Gasparini
- Dept Med Surg & Hlth Sci, University of Trieste, Trieste, Italy; IRCCS Burlo Garofolo, Inst Maternal & Child Hlth, Trieste, Italy.
| | | | - Fabio Mammano
- CNR Institute of Cell Biology and Neurobiology, Monterotondo 00015, Italy; University of Padova, Department of Physics and Astronomy "G. Galilei", Padova, Italy.
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Bin-Jaliah I, Hussein AM, Sakr HF, Eid EA. Effects of low dose of aliskiren on isoproterenol-induced acute myocardial infarction in rats. Physiol Int 2018; 105:127-144. [PMID: 29975120 DOI: 10.1556/2060.105.2018.2.11] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
This study examined the effects of aliskiren (Ali) (direct renin inhibitor) on serum cardiac enzymes (LDH and CK-MB), electrocardiography (ECG) changes, myocardial oxidative stress markers (MDA, CAT, and GSH) and the expression of Bcl2, HO-1, and Nrf2 genes in isoproterenol (ISO)-induced myocardial infarction (MI). A total of 40 male albino rats were allocated into four groups, (1) normal control (NC) group, (2) Ali group (rats received Ali at 10 mg/kg/day p.o. for 5 days), (3) ISO group (rats received ISO 150 mg/kg i.p. for two consecutive days at 24 h intervals), and (4) Ali + ISO group (rats received ISO + Ali at 10 mg/kg/day p.o. for 5 days from the 2nd dose of ISO). ISO group showed significant rise in serum cardiac enzymes (CK-MB and LDH), myocardial damage scores, myocardial MDA, HO-1, myocardial Nrf2 expression with significant reduction in myocardial antioxidants (CAT and GSH), and Bcl2 expression compared to the normal group (p < 0.05). ECG showed ST segment elevation, prolonged QT interval and QRS complex, and increased heart rate in ISO group. Co-administration of Ali and ISO caused significant increase in cardiac enzymes and morphology with increase in MDA, serum K, and creatinine with significant decrease in Bcl2, HO-1, and Nrf2 without significant changes in ECG parameters compared to ISO group. We concluded that low dose of Ali seems to exacerbate the myocardial injury in ISO-MI, which might be due to the enhanced oxidative stress and apoptosis.
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Affiliation(s)
- I Bin-Jaliah
- 1 Department of Physiology, College of Medicine, King Khalid University , Abha, Saudi Arabia
| | - A M Hussein
- 2 Medical Physiology Department, Faculty of Medicine, Mansoura University , Mansoura, Egypt
| | - H F Sakr
- 2 Medical Physiology Department, Faculty of Medicine, Mansoura University , Mansoura, Egypt.,3 Department of Physiology, College of Medicine and Health Sciences, Sultan Qaboos University , Muscat, Oman
| | - E A Eid
- 4 Internal Medicine Department, Delta University for Science and Technology , Gamasa, Egypt
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Medvedev A, Moeser M, Medvedeva L, Martsen E, Granick A, Raines L, Zeng M, Makarov S, Houck KA, Makarov SS. Evaluating biological activity of compounds by transcription factor activity profiling. SCIENCE ADVANCES 2018; 4:eaar4666. [PMID: 30263952 PMCID: PMC6157966 DOI: 10.1126/sciadv.aar4666] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2017] [Accepted: 08/21/2018] [Indexed: 05/30/2023]
Abstract
Assessing the biological activity of compounds is an essential objective of biomedical research. We show that one can infer the bioactivity of compounds by assessing the activity of transcription factors (TFs) that regulate gene expression. Using a multiplex reporter system, the FACTORIAL, we characterized cell response to a compound by a quantitative signature, the TF activity profile (TFAP). We found that perturbagens of biological pathways elicited distinct TFAP signatures in human cells. Unexpectedly, perturbagens of the same pathway all produced identical TFAPs, regardless of where or how they interfered. We found invariant TFAPs for mitochondrial, histone deacetylase, and ubiquitin/proteasome pathway inhibitors; cytoskeleton disruptors; and DNA-damaging agents. Using these invariant signatures permitted straightforward identification of compounds with specified bioactivities among uncharacterized chemicals. Furthermore, this approach allowed us to assess the multiple bioactivities of polypharmacological drugs. Thus, TF activity profiling affords straightforward assessment of the bioactivity of compounds through the identification of perturbed biological pathways.
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Affiliation(s)
| | - Matt Moeser
- Attagene Inc., P.O. Box 12054, Research Triangle Park, NC 27709, USA
| | - Liubov Medvedeva
- Attagene Inc., P.O. Box 12054, Research Triangle Park, NC 27709, USA
| | - Elena Martsen
- Attagene Inc., P.O. Box 12054, Research Triangle Park, NC 27709, USA
| | - Alexander Granick
- Attagene Inc., P.O. Box 12054, Research Triangle Park, NC 27709, USA
| | - Lydia Raines
- Attagene Inc., P.O. Box 12054, Research Triangle Park, NC 27709, USA
| | - Ming Zeng
- Attagene Inc., P.O. Box 12054, Research Triangle Park, NC 27709, USA
| | - Sergei Makarov
- Attagene Inc., P.O. Box 12054, Research Triangle Park, NC 27709, USA
| | - Keith A. Houck
- U.S. Environmental Protection Agency, 109 T.W. Alexander Drive, D343-03, Research Triangle Park, NC 27711, USA
| | - Sergei S. Makarov
- Attagene Inc., P.O. Box 12054, Research Triangle Park, NC 27709, USA
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41
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Liu P, Li Y, Liu D, Ji X, Chi T, Li L, Zou L. Tolfenamic Acid Attenuates 3-Nitropropionic Acid-Induced Biochemical Alteration in Mice. Neurochem Res 2018; 43:1938-1946. [PMID: 30120653 DOI: 10.1007/s11064-018-2615-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 07/30/2018] [Accepted: 08/11/2018] [Indexed: 02/06/2023]
Abstract
Tolfenamic acid (TA), a nonsteroidal anti-inflammatory drug, shows neuroprotective effects and alleviates cognitive deficits in transgenic mouse models of Alzheimer's disease. However, whether TA can prevent the biochemical alterations induced by intraperitoneal injection of 3-nitropropionic acid (3-NP) in mice is still unknown. In this study, the striatal lesion area was measured by 2,3,5-triphenyltetrazolium chloride staining. Glutamate, SDH and ATP levels were tested using colorimetric assay kits. The neuroinflammatory cytokine levels were tested by ELISA kits. The expression of synaptic proteins and the subtypes of the NMDA receptor were tested by western blotting. TA was orally administered 10 days before 3-NP injection (pretreatment) or on the same day as 3-NP injection (co-treatment). TA pretreatment showed the strongest neuroprotective effects: pretreatment significantly attenuated the 3-NP-induced muscular weakness in the forelimb and alterations in glutamate level, mitochondrial function, and pro-inflammatory cytokine release in the brains of mice. These results suggest that TA has preventive and protective effects on 3-NP-induced neurotoxicity.
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Affiliation(s)
- Peng Liu
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, Liaoning, China
| | - Yinjie Li
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, Liaoning, China
| | - Danyang Liu
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, Liaoning, China
| | - Xuefei Ji
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, Liaoning, China
| | - Tianyan Chi
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, Liaoning, China
| | - Lin Li
- Key Laboratory of Neurodegenerative Diseases (Capital Medical University), Ministry of Education, 45 Changchun Street, Xuanwu, Beijing, 100053, China
| | - Libo Zou
- Department of Pharmacology, Shenyang Pharmaceutical University, 103 Wenhua Road, Shenhe District, Shenyang, 110016, Liaoning, China.
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Saba J, Turati J, Ramírez D, Carniglia L, Durand D, Lasaga M, Caruso C. Astrocyte truncated tropomyosin receptor kinase B mediates brain-derived neurotrophic factor anti-apoptotic effect leading to neuroprotection. J Neurochem 2018; 146:686-702. [DOI: 10.1111/jnc.14476] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 05/22/2018] [Accepted: 05/25/2018] [Indexed: 12/19/2022]
Affiliation(s)
- Julieta Saba
- Instituto de Investigaciones Biomédicas (INBIOMED) UBA-CONICET; Paraguay 2155; Facultad de Medicina; Universidad de Buenos Aires; Buenos Aires Argentina
| | - Juan Turati
- Instituto de Investigaciones Biomédicas (INBIOMED) UBA-CONICET; Paraguay 2155; Facultad de Medicina; Universidad de Buenos Aires; Buenos Aires Argentina
| | - Delia Ramírez
- Instituto de Investigaciones Biomédicas (INBIOMED) UBA-CONICET; Paraguay 2155; Facultad de Medicina; Universidad de Buenos Aires; Buenos Aires Argentina
| | - Lila Carniglia
- Instituto de Investigaciones Biomédicas (INBIOMED) UBA-CONICET; Paraguay 2155; Facultad de Medicina; Universidad de Buenos Aires; Buenos Aires Argentina
| | - Daniela Durand
- Instituto de Investigaciones Biomédicas (INBIOMED) UBA-CONICET; Paraguay 2155; Facultad de Medicina; Universidad de Buenos Aires; Buenos Aires Argentina
| | - Mercedes Lasaga
- Instituto de Investigaciones Biomédicas (INBIOMED) UBA-CONICET; Paraguay 2155; Facultad de Medicina; Universidad de Buenos Aires; Buenos Aires Argentina
| | - Carla Caruso
- Instituto de Investigaciones Biomédicas (INBIOMED) UBA-CONICET; Paraguay 2155; Facultad de Medicina; Universidad de Buenos Aires; Buenos Aires Argentina
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Interleukin-1β Protects Neurons against Oxidant-Induced Injury via the Promotion of Astrocyte Glutathione Production. Antioxidants (Basel) 2018; 7:antiox7080100. [PMID: 30044427 PMCID: PMC6115796 DOI: 10.3390/antiox7080100] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 07/04/2018] [Accepted: 07/21/2018] [Indexed: 01/13/2023] Open
Abstract
Interleukin-1β (IL-1β), a key cytokine that drives neuroinflammation in the Central Nervous System (CNS), is enhanced in many neurological diseases/disorders. Although IL-1β contributes to and/or sustains pathophysiological processes in the CNS, we recently demonstrated that IL-1β can protect cortical astrocytes from oxidant injury in a glutathione (GSH)-dependent manner. To test whether IL-1β could similarly protect neurons against oxidant stress, near pure neuronal cultures or mixed cortical cell cultures containing neurons and astrocytes were exposed to the organic peroxide, tert-butyl hydroperoxide (t-BOOH), following treatment with IL-1β or its vehicle. Neurons and astrocytes in mixed cultures, but not pure neurons, were significantly protected from the toxicity of t-BOOH following treatment with IL-1β in association with enhanced GSH production/release. IL-1β failed to increase the GSH levels or to provide protection against t-BOOH toxicity in chimeric mixed cultures consisting of IL-1R1+/+ neurons plated on top of IL-1R1−/− astrocytes. The attenuation of GSH release via block of multidrug resistance-associated protein 1 (MRP1) transport also abrogated the protective effect of IL-1β. These protective effects were not strictly an in vitro phenomenon as we found an increased striatal vulnerability to 3-nitropropionic acid-mediated oxidative stress in IL-1R1 null mice. Overall, our data indicate that IL-1β protects neurons against oxidant injury and that this likely occurs in a non-cell-autonomous manner that relies on an increase in astrocyte GSH production and release.
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Greco V, Spalloni A, Corasolla Carregari V, Pieroni L, Persichilli S, Mercuri NB, Urbani A, Longone P. Proteomics and Toxicity Analysis of Spinal-Cord Primary Cultures upon Hydrogen Sulfide Treatment. Antioxidants (Basel) 2018; 7:antiox7070087. [PMID: 29996549 PMCID: PMC6070951 DOI: 10.3390/antiox7070087] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Revised: 07/05/2018] [Accepted: 07/07/2018] [Indexed: 12/25/2022] Open
Abstract
Hydrogen sulfide (H2S) is an endogenous gasotransmitter recognized as an essential body product with a dual, biphasic action. It can function as an antioxidant and a cytoprotective, but also as a poison with a high probability of causing brain damage when present at noxious levels. In a previous study, we measured toxic liquoral levels of H2S in sporadic amyotrophic lateral sclerosis (ALS) patients and in the familial ALS (fALS) mouse model, SOD1G93A. In addition, we experimentally demonstrated that H2S is extremely and selectively toxic to motor neurons, and that it is released by glial cells and increases Ca2+ concentration in motor neurons due to a lack of ATP. The presented study further examines the effect of toxic concentrations of H2S on embryonic mouse spinal-cord cultures. We performed a proteomic analysis that revealed a significant H2S-mediated activation of pathways related to oxidative stress and cell death, particularly the Nrf-2-mediated oxidative stress response and peroxiredoxins. Furthermore, we report that Na2S (a stable precursor of H2S) toxicity is, at least in part, reverted by the Bax inhibitor V5 and by necrostatin, a potent necroptosis inhibitor.
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Affiliation(s)
- Viviana Greco
- Institute of Biochemistry and Clinical Biochemistry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy.
- Department of Laboratory Diagnostic and Infectious Diseases, Fondazione Policlinico Universitario Agostino Gemelli-IRCCS, 00168 Rome, Italy.
| | - Alida Spalloni
- Department of Experimental Neuroscience, Molecular Neurobiology Unit, Fondazione Santa Lucia, 00143 Rome, Italy.
| | - Victor Corasolla Carregari
- Institute of Biochemistry and Clinical Biochemistry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy.
- Department of Laboratory Diagnostic and Infectious Diseases, Fondazione Policlinico Universitario Agostino Gemelli-IRCCS, 00168 Rome, Italy.
| | - Luisa Pieroni
- Department of Experimental Neuroscience, Proteomics and Metabonomics Unit, Fondazione Santa Lucia-IRCCS, 00143 Rome, Italy.
| | - Silvia Persichilli
- Institute of Biochemistry and Clinical Biochemistry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy.
- Department of Laboratory Diagnostic and Infectious Diseases, Fondazione Policlinico Universitario Agostino Gemelli-IRCCS, 00168 Rome, Italy.
| | - Nicola B Mercuri
- Department of Systems Medicine, Policlinico Universitario "Tor Vergata", University of Rome "Tor Vergata", 00133 Rome, Italy.
- Department of Experimental Neuroscience, Experimental Neurology Unit, 00143 Rome, Italy.
| | - Andrea Urbani
- Institute of Biochemistry and Clinical Biochemistry, Università Cattolica del Sacro Cuore, 00168 Rome, Italy.
- Department of Laboratory Diagnostic and Infectious Diseases, Fondazione Policlinico Universitario Agostino Gemelli-IRCCS, 00168 Rome, Italy.
| | - Patrizia Longone
- Department of Experimental Neuroscience, Molecular Neurobiology Unit, Fondazione Santa Lucia, 00143 Rome, Italy.
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Rojo de la Vega M, Chapman E, Zhang DD. NRF2 and the Hallmarks of Cancer. Cancer Cell 2018; 34:21-43. [PMID: 29731393 PMCID: PMC6039250 DOI: 10.1016/j.ccell.2018.03.022] [Citation(s) in RCA: 962] [Impact Index Per Article: 160.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 02/11/2018] [Accepted: 03/19/2018] [Indexed: 12/20/2022]
Abstract
The transcription factor NRF2 is the master regulator of the cellular antioxidant response. Though recognized originally as a target of chemopreventive compounds that help prevent cancer and other maladies, accumulating evidence has established the NRF2 pathway as a driver of cancer progression, metastasis, and resistance to therapy. Recent studies have identified new functions for NRF2 in the regulation of metabolism and other essential cellular functions, establishing NRF2 as a truly pleiotropic transcription factor. In this review, we explore the roles of NRF2 in the hallmarks of cancer, indicating both tumor suppressive and tumor-promoting effects.
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Affiliation(s)
- Montserrat Rojo de la Vega
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, AZ 85721, USA
| | - Eli Chapman
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, AZ 85721, USA
| | - Donna D Zhang
- Department of Pharmacology and Toxicology, College of Pharmacy, University of Arizona, Tucson, AZ 85721, USA; University of Arizona Cancer Center, University of Arizona, Tucson, AZ 85721, USA.
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Harris G, Eschment M, Orozco SP, McCaffery JM, Maclennan R, Severin D, Leist M, Kleensang A, Pamies D, Maertens A, Hogberg HT, Freeman D, Kirkwood A, Hartung T, Smirnova L. Toxicity, recovery, and resilience in a 3D dopaminergic neuronal in vitro model exposed to rotenone. Arch Toxicol 2018; 92:2587-2606. [PMID: 29955902 PMCID: PMC6063347 DOI: 10.1007/s00204-018-2250-8] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2018] [Accepted: 06/20/2018] [Indexed: 02/06/2023]
Abstract
To date, most in vitro toxicity testing has focused on acute effects of compounds at high concentrations. This testing strategy does not reflect real-life exposures, which might contribute to long-term disease outcome. We used a 3D-human dopaminergic in vitro LUHMES cell line model to determine whether effects of short-term rotenone exposure (100 nM, 24 h) are permanent or reversible. A decrease in complex I activity, ATP, mitochondrial diameter, and neurite outgrowth were observed acutely. After compound removal, complex I activity was still inhibited; however, ATP levels were increased, cells were electrically active and aggregates restored neurite outgrowth integrity and mitochondrial morphology. We identified significant transcriptomic changes after 24 h which were not present 7 days after wash-out. Our results suggest that testing short-term exposures in vitro may capture many acute effects which cells can overcome, missing adaptive processes, and long-term mechanisms. In addition, to study cellular resilience, cells were re-exposed to rotenone after wash-out and recovery period. Pre-exposed cells maintained higher metabolic activity than controls and presented a different expression pattern in genes previously shown to be altered by rotenone. NEF2L2, ATF4, and EAAC1 were downregulated upon single hit on day 14, but unchanged in pre-exposed aggregates. DAT and CASP3 were only altered after re-exposure to rotenone, while TYMS and MLF1IP were downregulated in both single-exposed and pre-exposed aggregates. In summary, our study shows that a human cell-based 3D model can be used to assess cellular adaptation, resilience, and long-term mechanisms relevant to neurodegenerative research.
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Affiliation(s)
- Georgina Harris
- Center for Alternatives to Animal Testing (CAAT), Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Melanie Eschment
- Center for Alternatives to Animal Testing (CAAT) Europe, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Sebastian Perez Orozco
- The Integrated Imaging Center, Department of Biology, Engineering in Oncology Center and The Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, MD, USA
| | - J Michael McCaffery
- The Integrated Imaging Center, Department of Biology, Engineering in Oncology Center and The Institute for NanoBioTechnology, Johns Hopkins University, Baltimore, MD, USA
| | | | - Daniel Severin
- The Mind/Brain Institute, Johns Hopkins University, Baltimore, MD, USA
| | - Marcel Leist
- Center for Alternatives to Animal Testing (CAAT) Europe, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Andre Kleensang
- Center for Alternatives to Animal Testing (CAAT), Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - David Pamies
- Center for Alternatives to Animal Testing (CAAT), Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Alexandra Maertens
- Center for Alternatives to Animal Testing (CAAT), Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Helena T Hogberg
- Center for Alternatives to Animal Testing (CAAT), Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
| | - Dana Freeman
- Department of Environmental Health and Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Alfredo Kirkwood
- The Mind/Brain Institute, Johns Hopkins University, Baltimore, MD, USA.,Department of Neuroscience, Johns Hopkins University, Baltimore, MD, USA
| | - Thomas Hartung
- Center for Alternatives to Animal Testing (CAAT), Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.,Center for Alternatives to Animal Testing (CAAT) Europe, Department of Biology, University of Konstanz, Konstanz, Germany
| | - Lena Smirnova
- Center for Alternatives to Animal Testing (CAAT), Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA.
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Mattson MP, Arumugam TV. Hallmarks of Brain Aging: Adaptive and Pathological Modification by Metabolic States. Cell Metab 2018; 27:1176-1199. [PMID: 29874566 PMCID: PMC6039826 DOI: 10.1016/j.cmet.2018.05.011] [Citation(s) in RCA: 604] [Impact Index Per Article: 100.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 05/02/2018] [Accepted: 05/15/2018] [Indexed: 02/06/2023]
Abstract
During aging, the cellular milieu of the brain exhibits tell-tale signs of compromised bioenergetics, impaired adaptive neuroplasticity and resilience, aberrant neuronal network activity, dysregulation of neuronal Ca2+ homeostasis, the accrual of oxidatively modified molecules and organelles, and inflammation. These alterations render the aging brain vulnerable to Alzheimer's and Parkinson's diseases and stroke. Emerging findings are revealing mechanisms by which sedentary overindulgent lifestyles accelerate brain aging, whereas lifestyles that include intermittent bioenergetic challenges (exercise, fasting, and intellectual challenges) foster healthy brain aging. Here we provide an overview of the cellular and molecular biology of brain aging, how those processes interface with disease-specific neurodegenerative pathways, and how metabolic states influence brain health.
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Affiliation(s)
- Mark P Mattson
- Laboratory of Neurosciences, National Institute on Aging Intramural Research Program, Baltimore, MD, USA; Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, USA.
| | - Thiruma V Arumugam
- Department of Physiology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, Singapore; School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
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Potential Synergies of β-Hydroxybutyrate and Butyrate on the Modulation of Metabolism, Inflammation, Cognition, and General Health. J Nutr Metab 2018; 2018:7195760. [PMID: 29805804 PMCID: PMC5902005 DOI: 10.1155/2018/7195760] [Citation(s) in RCA: 48] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Revised: 02/06/2018] [Accepted: 02/28/2018] [Indexed: 12/31/2022] Open
Abstract
The low-carbohydrate high-fat diet (LCHFD), also known as the ketogenic diet, has cycled in and out of popularity for decades as a therapeutic program to treat metabolic syndrome, weight mismanagement, and drug-resistant disorders as complex as epilepsy, cancer, dementia, and depression. Despite the benefits of this diet, health care professionals still question its safety due to the elevated serum ketones it induces and the limited dietary fiber. To compound the controversy, patient compliance with the program is poor due to the restrictive nature of the diet and symptoms related to energy deficit and gastrointestinal adversity during the introductory and energy substrate transition phase of the diet. The studies presented here demonstrate safety and efficacy of the diet including the scientific support and rationale for the administration of exogenous ketone bodies and ketone sources as a complement to the restrictive dietary protocol or as an alternative to the diet. This review also highlights the synergy provided by exogenous ketone, β-hydroxybutyrate (BHB), accompanied by the short chain fatty acid, butyrate (BA) in the context of cellular and physiological outcomes. More work is needed to unveil the molecular mechanisms by which this program provides health benefits.
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Guan Y, Tan Y, Liu W, Yang J, Wang D, Pan D, Sun Y, Zheng C. NF-E2-Related Factor 2 Suppresses Intestinal Fibrosis by Inhibiting Reactive Oxygen Species-Dependent TGF-β1/SMADs Pathway. Dig Dis Sci 2018; 63:366-380. [PMID: 28815354 DOI: 10.1007/s10620-017-4710-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Accepted: 08/01/2017] [Indexed: 12/26/2022]
Abstract
BACKGROUND AND AIMS This study aimed to evaluate the antifibrotic effects of NF-E2-Related Factor 2 (Nrf2) on intestinal fibrosis. Intestinal fibrosis is a common complication of Crohn's disease; however, its mechanism of intestinal fibrosis is largely unclear. METHODS BALB/c mice received 2,4,6-trinitrobenzene sulfonic acid weekly via intrarectal injections to induce chronic fibrotic colitis. They also diet containing received 1% (w/w) tert-butylhydroquinone (tBHQ), which is an agonist of Nrf2. Human intestinal fibroblasts (CCD-18Co cells) were pretreated with tBHQ or si-Nrf2 followed by stimulation with transforming growth factor-β1 (TGF-β1), which transformed the cells into myofibroblasts. The main fibrosis markers such as α-smooth muscle actin, collagen I, tissue inhibitor of metalloproteinase-1, and TGF-β1/SMADs signaling pathway were detected by quantitative real-time RT-PCR, immunohistochemical analysis, and Western blot analysis. Levels of cellular reactive oxygen species (ROS) were detected by dichlorodihydrofluorescein diacetate. RESULTS tBHQ suppressed the intestinal fibrosis through the TGF-β1/SMADs signaling pathway in TNBS-induced colitis and CCD-18Co cells. Moreover, Nrf2 knockdown enhanced the TGF-β1-induced differentiation of CCD-18Co cells. ROS significantly increased in TGF-β1-stimulated CCD-18Co cells. Pretreatment with H2O2, the primary component of ROS, was demonstrated to block the effect of tBHQ on reducing the expression of TGF-β1. Moreover, scavenging ROS by N-acetyl cysteine could inhibit the increasing expression of TGF-β1 promoted by Nrf2 knockdown. CONCLUSIONS The results suggested that Nrf2 suppressed intestinal fibrosis by inhibiting ROS/TGF-β1/SMADs pathway in vivo and in vitro.
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Affiliation(s)
- Yadi Guan
- Department of Gastroenterology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Tiexi District, Shenyang, 110022, Liaoning Province, China
| | - Yue Tan
- Department of Gastroenterology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Tiexi District, Shenyang, 110022, Liaoning Province, China
| | - Weiyu Liu
- Department of Gastroenterology, The People's Hospital Liaoning Provincial, 33 Wenyi Road, Shenhe District, Shenyang, 110013, Liaoning Province, China
| | - Jun Yang
- Department of Gastroenterology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Tiexi District, Shenyang, 110022, Liaoning Province, China
| | - Dongxu Wang
- Department of Gastroenterology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Tiexi District, Shenyang, 110022, Liaoning Province, China
| | - Di Pan
- Department of Gastroenterology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Tiexi District, Shenyang, 110022, Liaoning Province, China
| | - Yan Sun
- Department of Gastroenterology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Tiexi District, Shenyang, 110022, Liaoning Province, China
| | - Changqing Zheng
- Department of Gastroenterology, Shengjing Hospital of China Medical University, 39 Huaxiang Road, Tiexi District, Shenyang, 110022, Liaoning Province, China.
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50
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Hesperidin protects against chemically induced hepatocarcinogenesis via modulation of Nrf2/ARE/HO-1, PPARγ and TGF-β1/Smad3 signaling, and amelioration of oxidative stress and inflammation. Chem Biol Interact 2017; 277:146-158. [DOI: 10.1016/j.cbi.2017.09.015] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2017] [Revised: 09/11/2017] [Accepted: 09/17/2017] [Indexed: 12/15/2022]
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