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Hassani S, Esmaeili A. The neuroprotective effects of ferulic acid in toxin-induced models of Parkinson's disease: A review. Ageing Res Rev 2024; 97:102299. [PMID: 38604452 DOI: 10.1016/j.arr.2024.102299] [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: 12/16/2023] [Revised: 03/04/2024] [Accepted: 04/08/2024] [Indexed: 04/13/2024]
Abstract
Parkinson's disease is predominantly caused by dopaminergic neuron loss in the substantia nigra pars compacta and the accumulation of alpha-synuclein protein. Though the general consensus is that several factors, such as aging, environmental factors, mitochondrial dysfunction, accumulations of neurotoxic alpha-synuclein, malfunctions of the lysosomal and proteasomal protein degradation systems, oxidative stress, and neuroinflammation, are involved in the neurodegeneration process of Parkinson's disease, the precise mechanism by which all of these factors are triggered remains unknown. Typically, neurotoxic compounds such as rotenone, 6-hydroxydopamine, 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP), 1-methyl 4-phenyl pyridinium (mpp+), paraquat, and maneb are used to Preclinical models of Parkinson's disease Ferulic acid is often referred to by its scientific name, 4-hydroxy-3-methoxycinnamic acid (C10H10O4), and is found naturally in cereals, fruits, vegetables, and bee products. This substance exhibits neuroprotective effects against Parkinson's disease because of its intriguing potential, which includes anti-inflammatory and antioxidant qualities. This review goes into additional detail about Parkinson's disease and the neuroprotective properties of ferulic acid that may help prevent the condition.
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Affiliation(s)
- Samira Hassani
- Department of Plant and Animal Biology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran
| | - Abolghasem Esmaeili
- Department of Cell and Molecular Biology & Microbiology, Faculty of Biological Science and Technology, University of Isfahan, Isfahan, Iran.
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Chen LC, Lai MC, Hong TY, Liu IM. γ-Oryzanol from Rice Bran Antagonizes Glutamate-Induced Excitotoxicity in an In Vitro Model of Differentiated HT-22 Cells. Nutrients 2024; 16:1237. [PMID: 38674927 PMCID: PMC11053564 DOI: 10.3390/nu16081237] [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: 01/15/2024] [Revised: 03/03/2024] [Accepted: 04/11/2024] [Indexed: 04/28/2024] Open
Abstract
The excessive activation of glutamate in the brain is a factor in the development of vascular dementia. γ-Oryzanol is a natural compound that has been shown to enhance brain function, but more research is needed to determine its potential as a treatment for vascular dementia. This study investigated if γ-oryzanol can delay or improve glutamate neurotoxicity in an in vitro model of differentiated HT-22 cells and explored its neuroprotective mechanisms. The differentiated HT-22 cells were treated with 0.1 mmol/L glutamate for 24 h then given γ-oryzanol at appropriate concentrations or memantine (10 µmol/L) for another 24 h. Glutamate produced reactive oxygen species and depleted glutathione in the cells, which reduced their viability. Mitochondrial dysfunction was also observed, including the inhibition of mitochondrial respiratory chain complex I activity, the collapse of mitochondrial transmembrane potential, and the reduction of intracellular ATP levels in the HT-22 cells. Calcium influx triggered by glutamate subsequently activated type II calcium/calmodulin-dependent protein kinase (CaMKII) in the HT-22 cells. The activation of CaMKII-ASK1-JNK MAP kinase cascade, decreased Bcl-2/Bax ratio, and increased Apaf-1-dependent caspase-9 activation were also observed due to glutamate induction, which were associated with increased DNA fragmentation. These events were attenuated when the cells were treated with γ-oryzanol (0.4 mmol/L) or the N-methyl-D-aspartate receptor antagonist memantine. The results suggest that γ-oryzanol has potent neuroprotective properties against glutamate excitotoxicity in differentiated HT-22 cells. Therefore, γ-oryzanol could be a promising candidate for the development of therapies for glutamate excitotoxicity-associated neurodegenerative diseases, including vascular dementia.
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Affiliation(s)
- Li-Chai Chen
- Department of Pharmacy and Master Program, Collage of Pharmacy and Health Care, Tajen University, Pingtung County 90741, Taiwan; (L.-C.C.); (M.-C.L.)
| | - Mei-Chou Lai
- Department of Pharmacy and Master Program, Collage of Pharmacy and Health Care, Tajen University, Pingtung County 90741, Taiwan; (L.-C.C.); (M.-C.L.)
| | - Tang-Yao Hong
- Department of Environmental Science and Occupational Safety and Hygiene, Graduate School of Environmental Management, Collage of Pharmacy and Health Care, Tajen University, Pingtung County 90741, Taiwan;
| | - I-Min Liu
- Department of Pharmacy and Master Program, Collage of Pharmacy and Health Care, Tajen University, Pingtung County 90741, Taiwan; (L.-C.C.); (M.-C.L.)
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Zeini S, Davoodian N, Mousavi SA. Gamma-oryzanol attenuates lipopolysaccharide-induced cognitive impairment by modulation of hippocampal inflammatory response and glial activation in mice. J Neuroimmunol 2024; 387:578292. [PMID: 38278081 DOI: 10.1016/j.jneuroim.2024.578292] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 12/26/2023] [Accepted: 01/17/2024] [Indexed: 01/28/2024]
Abstract
Systemic inflammation can cause chronic neuroinflammation, which is a significant risk factor for neurodegenerative disorders. Therefore, anti-inflammatory agents that reduce peripheral inflammation are potential targets for the prevention or treatment of these debilitating diseases. In the present study, we investigated whether gamma-oryzanol (ORY) could protect against chronic neuroinflammation induced by lipopolysaccharide (LPS) in adult male mice. Mice were injected with LPS (0.75 mg/kg/day) or saline for 7 consecutive days and orally received ORY (100 mg/kg) or vehicle for 14 days (7 days before LPS injections and 7 days co-treated with LPS). After two weeks, mice were subjected to behavioral assessments using the Morris water maze and Y-maze. Moreover, the expression level of several inflammatory mediators was measured in the hippocampus of treated animals. Also, neuronal loss, microglia, and astrocyte densities were evaluated in the CA1 and CA3 hippocampus. We found that ORY treatment significantly improved spatial and working memory in LPS-treated mice. This behavioral improvement was accompanied by a significant reduction in the number of microglia and astrocytes in the CA1 and CA3 hippocampus. Moreover, ORY treatment effectively prevented LPS-induced increases in the expression of inflammatory mediators and enhanced neuronal survival in the CA1 hippocampus. Our findings suggest that ORY treatment can be a therapeutic option to improve cognitive impairments and neuroinflammation induced by endotoxins.
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Affiliation(s)
- Shiva Zeini
- Molecular Medicine Research Center, Hormozgan Health Institute, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Nahid Davoodian
- Endocrinology and Metabolism Research Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran; Department of Clinical Biochemistry, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran.
| | - Seyed Abdollah Mousavi
- Pathology Department, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
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Dai ZH, Zhou CC, Yu CY, Qian CJ, Jin SQ, Du SQ, Lv YY, Jin C, Zheng G, Zhan Y. Gamma-oryzanol alleviates osteoarthritis development by targeting Keap1-Nrf2 binding to interfere with chondrocyte ferroptosis. Int Immunopharmacol 2024; 128:111469. [PMID: 38211480 DOI: 10.1016/j.intimp.2023.111469] [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: 09/19/2023] [Revised: 12/20/2023] [Accepted: 12/29/2023] [Indexed: 01/13/2024]
Abstract
Osteoarthritis (OA) is a prevalent joint disorder pathologically correlated to chondrocyte ferroptosis. Gamma-oryzanol (γ-Ory), as a first-line drug for autonomic disorders, aroused our interest because of its antioxidant, lipid-lowering, and hypoglycemic potential. The purpose of this study was to investigate the potential impact and mechanism of γ-Ory in treating OA. And the inhibition of γ-Ory in extracellular matrix molecule (ECM) degradation, ferroptosis, and Keap1-Nrf2 binding in IL-1β-exposed chondrocytes was detected via immunoblotting, immunofluorescence, and co-immunoprecipitation. Micro-CT, SO staining, and immunofluorescence have been conducted to assess the impact of γ-Ory treatment on ACLT-mediated OA in rats at both imaging and histological stages. We found that γ-Ory dose-dependently suppressed IL-1β-induced ECM deterioration and chondrocyte ferroptosis. Our animal experiments revealed that γ-Ory delayed ACLT-mediated OA development. Mechanistically, γ-Ory interfered with the binding of Keap1 to Nrf2 to promote the latter's nuclear import, thereby increasing the expression of detoxification enzymes. Summarily, our works support γ-Ory's potential as a candidate drug for the treatment of OA.
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Affiliation(s)
- Zi-Han Dai
- Department of Ultrasound, The First Affiliated Hospital of Wenzhou Medical University, 2# Fuxue Lane, Wenzhou 325000, Zhejiang Province, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, Zhejiang Province, China
| | - Chen-Cheng Zhou
- The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, Zhejiang Province, China
| | - Cai-Yu Yu
- The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, Zhejiang Province, China
| | - Cheng-Jie Qian
- Key Laboratory of Orthopaedics of Zhejiang Province, Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109# Xueyuan Road, Wenzhou 325000, Zhejiang Province, China
| | - Shu-Qing Jin
- The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, Zhejiang Province, China
| | - Shi-Qi Du
- The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, Zhejiang Province, China
| | - Yi-Yun Lv
- The Second School of Medicine, Wenzhou Medical University, Wenzhou 325000, Zhejiang Province, China
| | - Chen Jin
- Key Laboratory of Orthopaedics of Zhejiang Province, Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109# Xueyuan Road, Wenzhou 325000, Zhejiang Province, China.
| | - Gang Zheng
- Key Laboratory of Orthopaedics of Zhejiang Province, Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109# Xueyuan Road, Wenzhou 325000, Zhejiang Province, China.
| | - Yu Zhan
- Department of Ultrasound, The First Affiliated Hospital of Wenzhou Medical University, 2# Fuxue Lane, Wenzhou 325000, Zhejiang Province, China.
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Davoodian N, Kadivar A, Mehrban H. Supplementation of media with gamma-oryzanol as a novel antioxidant to overcome redox imbalance during bovine oocyte maturation in vitro. Reprod Domest Anim 2024; 59:e14503. [PMID: 37942895 DOI: 10.1111/rda.14503] [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: 08/01/2023] [Revised: 10/06/2023] [Accepted: 10/26/2023] [Indexed: 11/10/2023]
Abstract
This study evaluated the effect of supplementing IVM media with γ-oryzanol (ORY), a nutraceutical derived from rice bran oil, on the development of bovine oocytes and hindering the compromising effect of redox imbalance. An in vitro model of the bovine cumulus-oocyte complex was used for the evaluation of nuclear maturation and development. Antioxidant activity was investigated by assessing the level of ROS (Reactive Oxygen Species) and GSH (glutathione) in oocytes and quantitative changes in gene expression in matured oocytes and their respective cumulus cells. ORY supplementation increased the proportion of MII oocytes, cleaved embryos, and total blastocysts (p < .05) and was linked to higher and lower levels of intracellular GSH and ROS, respectively (p < .05). The treated oocytes and their respective cumulus-granulosa cells showed a modulation in the expression of genes related to apoptosis (downregulation of BAX and CHOP) and oxidative stress (upregulation of NRF2, CAT, and SOD). Also, relative upregulation of OCT-4 and IGF2R in treated oocytes was concomitant with higher subsequent development in terms of cleavage and total blastocyst rates (p < .05). Based on our findings, it appears that ORY supplementation can improve the nuclear maturation and development of bovine oocytes into blastocysts and augment their enzymatic and non-enzymatic antioxidant systems, maintaining the Redox balance and high enzymatic activity against ROS generation.
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Affiliation(s)
- Najmeh Davoodian
- Research Institute of Animal Embryo Technology, Shahrekord University, Shahrekord, Iran
| | - Ali Kadivar
- Research Institute of Animal Embryo Technology, Shahrekord University, Shahrekord, Iran
- Department of Clinical Sciences, Faculty of Veterinary Medicine, Shahrekord University, Shahrekord, Iran
| | - Hossein Mehrban
- Department of Animal Science, Shahrekord University, Shahrekord, Iran
- Animal Science Research Institute of Iran, Agriculture Research, Education, and Extension Organization (AREEO), Karaj, Iran
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Lisco G, De Tullio A, Iovino M, Disoteo O, Guastamacchia E, Giagulli VA, Triggiani V. Dopamine in the Regulation of Glucose Homeostasis, Pathogenesis of Type 2 Diabetes, and Chronic Conditions of Impaired Dopamine Activity/Metabolism: Implication for Pathophysiological and Therapeutic Purposes. Biomedicines 2023; 11:2993. [PMID: 38001993 PMCID: PMC10669051 DOI: 10.3390/biomedicines11112993] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2023] [Revised: 11/03/2023] [Accepted: 11/06/2023] [Indexed: 11/26/2023] Open
Abstract
Dopamine regulates several functions, such as voluntary movements, spatial memory, motivation, sleep, arousal, feeding, immune function, maternal behaviors, and lactation. Less clear is the role of dopamine in the pathophysiology of type 2 diabetes mellitus (T2D) and chronic complications and conditions frequently associated with it. This review summarizes recent evidence on the role of dopamine in regulating insular metabolism and activity, the pathophysiology of traditional chronic complications associated with T2D, the pathophysiological interconnection between T2D and chronic neurological and psychiatric disorders characterized by impaired dopamine activity/metabolism, and therapeutic implications. Reinforcing dopamine signaling is therapeutic in T2D, especially in patients with dopamine-related disorders, such as Parkinson's and Huntington's diseases, addictions, and attention-deficit/hyperactivity disorder. On the other hand, although specific trials are probably needed, certain medications approved for T2D (e.g., metformin, pioglitazone, incretin-based therapy, and gliflozins) may have a therapeutic role in such dopamine-related disorders due to anti-inflammatory and anti-oxidative effects, improvement in insulin signaling, neuroinflammation, mitochondrial dysfunction, autophagy, and apoptosis, restoration of striatal dopamine synthesis, and modulation of dopamine signaling associated with reward and hedonic eating. Last, targeting dopamine metabolism could have the potential for diagnostic and therapeutic purposes in chronic diabetes-related complications, such as diabetic retinopathy.
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Affiliation(s)
- Giuseppe Lisco
- Interdisciplinary Department of Medicine, School of Medicine, University of Bari, 70124 Bari, Italy; (G.L.); (A.D.T.); (M.I.); (E.G.); (V.A.G.)
| | - Anna De Tullio
- Interdisciplinary Department of Medicine, School of Medicine, University of Bari, 70124 Bari, Italy; (G.L.); (A.D.T.); (M.I.); (E.G.); (V.A.G.)
| | - Michele Iovino
- Interdisciplinary Department of Medicine, School of Medicine, University of Bari, 70124 Bari, Italy; (G.L.); (A.D.T.); (M.I.); (E.G.); (V.A.G.)
| | - Olga Disoteo
- Diabetology Unit, ASST Grande Ospedale Metropolitano Niguarda, 20162 Milan, Italy;
| | - Edoardo Guastamacchia
- Interdisciplinary Department of Medicine, School of Medicine, University of Bari, 70124 Bari, Italy; (G.L.); (A.D.T.); (M.I.); (E.G.); (V.A.G.)
| | - Vito Angelo Giagulli
- Interdisciplinary Department of Medicine, School of Medicine, University of Bari, 70124 Bari, Italy; (G.L.); (A.D.T.); (M.I.); (E.G.); (V.A.G.)
| | - Vincenzo Triggiani
- Interdisciplinary Department of Medicine, School of Medicine, University of Bari, 70124 Bari, Italy; (G.L.); (A.D.T.); (M.I.); (E.G.); (V.A.G.)
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Bittencourt KC, Souza RRDE. Insecticidal activity of the organotellurium 2-Phenylethynyl-Butyltellurium on the Drosophila melanogaster model. AN ACAD BRAS CIENC 2023; 95:e20211486. [PMID: 36946808 DOI: 10.1590/0001-3765202320211486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2021] [Accepted: 04/04/2022] [Indexed: 03/18/2023] Open
Abstract
2-Phenylethynyl-Butyltellurium (PEBT) is a synthetic organotellurium compound that has shown various pharmacological properties on mammals without any signs of toxicity, but its effects on insects have not been reported before. Therefore, the aim of this study was to assess whether acute exposure to PEBT would promote an insecticidal effect against Drosophila melanogaster. The flies were exposed to three concentrations of PEBT (0.325 µmol L-1, 1.300 µmol L-1, and 5.200 µmol L-1) and a control solution (vehicle), using 450 flies per treatment (three repetitions of 150 flies), for 48 hours. Negative geotaxis and open field tests were performed (in vivo) after 24 and 48h, and acetylcholinesterase (AChE) activity was assessed (ex vivo) after 48h. Also, the mortality rate, 50% Lethal Concentration (LC50), 80% Lethal Concentration (LC80), and 95% Lethal Concentration (LC95) were calculated. Our results show that PEBT presented insecticidal activity against Drosophila melanogaster at all tested concentrations, which caused locomotor impairment and increased acetylcholinesterase activity in the flies' heads.
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Affiliation(s)
- Karina Chertok Bittencourt
- Federal University of Santa Maria (UFSM), Department of Agronomic and Environmental Sciences, Linha 7 de Setembro, s/n, BR 386, Km 40, 98400-000 Frederico Westphalen, RS, Brazil
| | - Rafael Rodrigues DE Souza
- Federal University of Santa Maria (UFSM), Department of Plant Science, Avenida Roraima, 1000, 97105-900, Santa Maria, RS, Brazil
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Alwadani AH, Almasri SA, Aloud AA, Albadr NA, Alshammari GM, Yahya MA. The Synergistic Protective Effect of γ-Oryzanol (OZ) and N-Acetylcysteine (NAC) against Experimentally Induced NAFLD in Rats Entails Hypoglycemic, Antioxidant, and PPARα Stimulatory Effects. Nutrients 2022; 15:nu15010106. [PMID: 36615764 PMCID: PMC9823776 DOI: 10.3390/nu15010106] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2022] [Revised: 12/21/2022] [Accepted: 12/22/2022] [Indexed: 12/28/2022] Open
Abstract
This study estimated that the combined effect of γ-Oryzanol and N-acetylcysteine (NAC) against high-fat diet (HFD)-induced non-alcoholic fatty liver disease (NAFLD) in rats also estimated some of their mechanisms of action. Adult male rats were divided into seven groups (n = 8 each) as control, control + NAC, control + γ-Oryzanol, HFD, HFD + NAC, HFD + γ-Oryzanol, and HFD + NAC + γ-Oryzanol. NAC was administered orally at a final concentration of 200 mg/kg, whereas γ-Oryzanol was added to diets at a concentration of 0.16. All treatments were conducted for 17 weeks and daily. Both NAC and γ-Oryzanol were able to reduce final body weights, fat weights, fasting glucose, fasting insulin, serum, and serum levels of liver function enzymes as well as the inflammatory markers such as tumor necrosis factor-α (TNF-α), interleukine-6 (IL-6), and leptin in HFD-fed rats. They also improved hepatic structure and glucose tolerance, increased adiponectin levels, and reduced serum and hepatic levels of triglycerides (TGs) and cholesterol (CHOL) in these rats. These effects were concomitant with a reduction in the hepatic levels of lipid peroxides (MDA) and serum levels of LDL-C, but also with an increment in the hepatic levels of superoxide dismutase (SOD) and glutathione (GSH). Interestingly, only treatment with γ-Oryzanol stimulated the mRNA levels of proliferator-activated receptor alpha (PPARα) and carnitine palmitoyltransferase 1 (CPT1) in the liver and white adipose tissue (WAT) of rats. Of note, the combination therapy of both drugs resulted in maximum effects and restored almost normal liver structure and basal levels of all the above-mentioned metabolic parameters. In conclusion, a combination therapy of γ-Oryzanol and NAC is an effective therapy to treat NAFLD, which can act via several mechanisms on the liver and adipose tissue.
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Affiliation(s)
- Ashwag H. Alwadani
- Department of of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia
- Department of Home Economics, University College in Farasan, Jazan University, Jazan 54943, Saudi Arabia
| | - Soheir A. Almasri
- Department of of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia
- Correspondence:
| | - Amal A. Aloud
- Department of of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Nawal A. Albadr
- Department of of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Ghedeir M. Alshammari
- Department of of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia
| | - Mohammed Abdo Yahya
- Department of of Food Science and Nutrition, College of Food and Agricultural Sciences, King Saud University, Riyadh 11451, Saudi Arabia
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Xu H, Dai ZH, He GL, Cai HC, Chen XY, Chen YL, Xu C, Sheng SR. Gamma-oryzanol alleviates intervertebral disc degeneration development by intercepting the IL-1β/NLRP3 inflammasome positive cycle. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2022; 102:154176. [PMID: 35660354 DOI: 10.1016/j.phymed.2022.154176] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 05/04/2022] [Accepted: 05/14/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Intervertebral disc degeneration (IVDD) is a highly prevalent musculoskeletal disorder characterized by a local inflammatory response associated with the IL-1β/NLRP3 inflammasome positive feedback loop. Rice bran-derived gamma-oryzanol (Ory) as a sterol ferulate has attracted much attention due to its powerful anti-inflammatory, hypoglycemic and hypolipidemic health effects. As a clinical pharmaceutical for autonomic disorders, Ory's role in musculoskeletal degenerative disease remains unknown. PURPOSE This study aims to validate the role of Ory in IVDD and explore the potential mechanism. STUDY DESIGN Establishing the in vitro and in vivo IVDD models to detect the protective effect and molecular mechanism of Ory. METHOD The anti-ECM degradation, antioxidant and anti-NLRP3 inflammasome activation effects of Ory on IL-1β-stimulated nucleus pulposus (NP) cells were assessed by immunoblotting and immunofluorescence, etc. MRI, S-O staining and immunohistochemistry were performed to estimate the effects of Ory administration on acupuncture-mediated IVDD in rats at imaging and histological levels. RESULTS Ory treatment inhibited IL-1β-mediated ECM degradation, oxidative stress and NLRP3 inflammasome activation in NP cells. By interfering with NF-κB signaling and ROS overproduction, Ory interrupted IL-1β/NLRP3-inflammasome positive cycle. In vivo experiments showed that Ory delayed acupuncture-mediated IVDD development. CONCLUSION Our results support the potential application of Ory as a therapeutic compound for IVDD.
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Affiliation(s)
- Hui Xu
- Key Laboratory of Orthopaedics of Zhejiang Province, Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejian 325000, China
| | - Zi-Han Dai
- Key Laboratory of Orthopaedics of Zhejiang Province, Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejian 325000, China
| | - Gao-Lu He
- Key Laboratory of Orthopaedics of Zhejiang Province, Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejian 325000, China
| | - Han-Chen Cai
- Key Laboratory of Orthopaedics of Zhejiang Province, Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejian 325000, China
| | - Xuan-Yang Chen
- Key Laboratory of Orthopaedics of Zhejiang Province, Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejian 325000, China
| | - Yan-Lin Chen
- Department of Orthopaedics Surgery, Lishui Central Hospital and Fifth Affiliated Hospital of Wenzhou Medical University, Lishui, Zhejiang 323000, China.
| | - Cong Xu
- Key Laboratory of Orthopaedics of Zhejiang Province, Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejian 325000, China.
| | - Sun-Ren Sheng
- Key Laboratory of Orthopaedics of Zhejiang Province, Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang 325000, China; The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejian 325000, China.
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Khatoon R, Kaushik P, Parvez S. Mitochondria-Related Apoptosis Regulation by Minocycline: A Study on a Transgenic Drosophila Model of Alzheimer's Disease. ACS OMEGA 2022; 7:19106-19112. [PMID: 35721948 PMCID: PMC9202010 DOI: 10.1021/acsomega.1c05653] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/10/2021] [Accepted: 02/21/2022] [Indexed: 06/15/2023]
Abstract
Alzheimer's disease (AD) is a very complicated and multifactorial neurological disorder having limited therapeutic interventions illustrated by the impairment in memory and cognitive function. Several lines of confirmation are stoutly connected with mitochondrial function perturbation as a significant causative factor in AD, while the molecular mechanisms involved in AD pathogenesis are still poorly understood. Minocycline, a well-known antibiotic, has confirmed efficacy against mitochondrial defects and oxidative stress as a neuroprotective effect. In view of this property, we examined the remedial effect of minocycline on AD. To attain insight into the molecular machinery responsible for AD pathogenesis, we preferred the UAS/GAL4 scheme for the development of AD in flies that overexpress the Aβ42 protein in the brain of Drosophila. The warning signs like the declined lifespan, locomotion deficit and memory loss, impaired mitochondrial membrane potential, and increased caspase 3 expression with mitogen-associated protein kinases linked with AD pathogenesis were examined in the existence of minocycline. Minocycline halted the Aβ42-induced symptoms including behavioral changes and altered the mitochondrial membrane potential along with apoptotic factors' protein expression (JNK/p-JNK and caspase 3). Thus, the current study could be functional to find out the role of minocycline in human Aβ42-overexpressed transgenic AD flies.
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Affiliation(s)
| | | | - Suhel Parvez
- . Tel.: +91 11 26059688x5573. Fax: +91 11 26059663
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Kumar S, Kumar P. The Beneficial Effect of Rice Bran Extract Against Rotenone-Induced Experimental Parkinson's Disease in Rats. Curr Mol Pharmacol 2021; 14:428-438. [PMID: 33573588 DOI: 10.2174/1874467214666210126113324] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2020] [Revised: 10/15/2020] [Accepted: 11/02/2020] [Indexed: 01/09/2023]
Abstract
BACKGROUND Neurodegenerative diseases have become an increasing cause of various disabilities worldwide, followed by aging, including Parkinson's disease (PD). Parkinson's disease is a degenerative brain disorder distinguished by growing motor & non-motor failure due to the degeneration of medium-sized spiked neurons in the striatum region. Rotenone is often employed to originate the animal model of PD. It is a powerful blocker of mitochondrial complex-I, mitochondrial electron transport chain that reliably produces Parkinsonism-like symptoms in rats. Rice bran (RB) is very rich in polyunsaturated fatty acids (PUFA) and nutritionally beneficial compounds, such as γ-oryzanol, tocopherols, and tocotrienols and sterols are believed to have favorable outcomes on oxidative stress & mitochondrial function. OBJECTIVE The present study has been designed to explore RB extract's effect against rotenone-induced neurotoxicity in rats. METHODS In the present study, Rotenone (2 mg/kg, s.c) was administered systemically for 28 days. The hexane extract of RB was prepared using Soxhlation. Hexane extract (250 & 500 mg/kg) was administered per oral for 28 days in rotenone-treated groups. Behavioral parameters (grip strength, motor coordination, locomotion, and catalepsy) were conducted on the 7th, 14th, 21st, and 28th day. Animals were sacrificed on the 29th day for biochemical estimation in the striatum and cortex. RESULTS This study demonstrates significant alteration in behavioral parameters, oxidative burden (increased lipid peroxidation, nitrite concentration, and decreased glutathione, catalase, SOD) in rotenone-treated animals. Administration of hexane extract of RB prevented the behavioral, biochemical alterations induced by rotenone. The current research has been sketched to inspect RB extract's effect against rotenone-developed neurotoxicity in rats. CONCLUSION The findings support that PD is associated with impairments in motor activity. The results also suggest that the nutraceutical rice bran that contains γ-oryzanol, Vitamin-E, ferulic acid etc., may underlie the adjuvant susceptibility towards rotenone-induced PD in experimental rats.
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Affiliation(s)
- Sachin Kumar
- Department of Pharmaceutical Sciences & Technology, Maharaja Ranjit Singh Punjab Technical University, Bathinda, Punjab, India
| | - Puneet Kumar
- Department of Pharmaceutical Sciences & Technology, Maharaja Ranjit Singh Punjab Technical University, Bathinda, Punjab, India
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High fat diet induced abnormalities in metabolism, growth, behavior, and circadian clock in Drosophila melanogaster. Life Sci 2021; 281:119758. [PMID: 34175317 DOI: 10.1016/j.lfs.2021.119758] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2021] [Revised: 06/11/2021] [Accepted: 06/13/2021] [Indexed: 01/15/2023]
Abstract
AIMS The current lifestyle trend has made people vulnerable to diabetes and related diseases. Years of scientific research have not been able to yield a cure to the disease completely. The current study aims to investigate a link between high-fat diet mediated diabesity and circadian rhythm in the Drosophila model and inferences that might help in establishing a cure to the dreaded disease. MAIN METHODS Several experimental methods including phenotypical, histological, biochemical, molecular, and behavioral assays were used in the study to detect obesity, diabetes, and changes in the circadian clock in the fly model. KEY FINDINGS The larva and adults of Drosophila melanogaster exposed to high-fat diet (HFD) displayed excess deposition of fat as lipid droplets and micronuclei formation in the gut, fat body, and crop. Larva and adults of HFD showed behavioral defects. The higher amount of triglyceride, glucose, trehalose in the whole body of larva and adult fly confirmed obesity-induced hyperglycemia. The overexpression of insulin gene (Dilp2) and tribble (trbl) gene expression confirmed insulin resistance in HFD adults. We also observed elevated ROS level, developmental delay, altered metal level, growth defects, locomotory rhythms, sleep fragmentation, and expression of circadian genes (per, tim, and clock) in HFD larva and adults. Thus, HFD impairs the metabolism to produce obesity, insulin resistance, disruption of clock, and circadian clock related co-mordities in D. melanogaster. SIGNIFICANCE The circadian gene expression provides an innovative perspective to understand and find a new treatment for type-II diabetes and circadian anomalies.
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Behl T, Kumar S, Sehgal A, Singh S, Kumari S, Brisc MC, Munteanu MA, Brisc C, Buhas CL, Judea-Pusta C, Buhas CL, Judea-Pusta C, Nistor-Cseppento DC, Bungau S. Rice bran, an off-shoot to newer therapeutics in neurological disorders. Biomed Pharmacother 2021; 140:111796. [PMID: 34098194 DOI: 10.1016/j.biopha.2021.111796] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Normal brain functioning involves the interaction of interconnected molecular and cellular activities, which appear to alter normal to abnormal brain functioning when worsened, contributing to the emergence of neurological disorders. There are currently millions of people who are living with brain disorders globally and this will rise if suitable prevention strategies are not explored. Nutraceutical intended to treat numerous health goals with little adverse effect possible together can be more beneficial than pharmaceutical monotherapy for fostering balanced brain functioning. Nutraceutical provides a specific composition of effective macronutrients and micronutrients that are difficult to synthesize in the laboratory. Numerous elements of rice fibers in rice bran are characterized as natural anti-oxidant and having potential anti-inflammatory activity. The rice bran captures interest among the researchers as it is widespread, affordable, and rich in nutrients including protein, fat, carbohydrates, bioactive components, and dietary fiber. This review covers the neuroprotective multiplicity of rice bran and its constituents to deter pathological conditions of the brain and to facilitate balanced brain functioning at the same time.
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Affiliation(s)
- Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
| | - Sachin Kumar
- Department of Pharmaceutical Sciences & Technology, Maharaja Ranjit Singh Punjab Technical University, Bathinda, Punjab, India
| | - Aayush Sehgal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Sukhbir Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Shilpa Kumari
- Department of Pharmaceutical Sciences & Technology, Maharaja Ranjit Singh Punjab Technical University, Bathinda, Punjab, India
| | - Mihaela Cristina Brisc
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, Romania
| | - Mihai Alexandru Munteanu
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, Romania
| | - Ciprian Brisc
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, Romania
| | - Camelia Liana Buhas
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, Romania
| | - Claudia Judea-Pusta
- Department of Medical Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, Romania
| | - Camelia Liana Buhas
- Department of Morphological Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, Romania
| | - Claudia Judea-Pusta
- Department of Morphological Disciplines, Faculty of Medicine and Pharmacy, University of Oradea, Romania
| | | | - Simona Bungau
- Department of Pharmacy, Faculty of Pharmacy, University of Oradea, Romania
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Dahleh MMM, Araujo SM, Bortolotto VC, Pinheiro FC, Poetini MR, Musachio EAS, Meichtry LB, Couto SDF, Prigol M. Exercise associated with γ-oryzanol supplementation suppresses oxidative stress and prevents changes in locomotion in Drosophila melanogaster. Free Radic Res 2021; 55:198-209. [PMID: 33655816 DOI: 10.1080/10715762.2021.1895992] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Association to early mortality and sedentarism was already demonstrated in the literature; nevertheless, some possible biochemical mechanisms around physical inactivity still need answers. The use of an invertebrate model, such as Drosophila melanogaster, can reproduce reliable responses in inducing an exercise protocol with exogenous antioxidant supplementation. This study main evaluates the effect of exercise (EXE) associated with γ-oryzanol (ORY) supplementation to improve locomotor behavior, antioxidant defenses, and survival in Drosophila melanogaster. Two-day old flies were submitted to a protocol for seven days, divided into five groups: Control, Movement-Limited Flies (MLF), EXE, ORY [25 µM], and EXE + ORY [25 µM]. The survival rate was evaluated, followed by open field and negative geotaxis. Flies were euthanized and subjected to analysis for acetylcholinesterase (AChE) and antioxidant enzymes activity, glycidic and lipid parameters, body weight, reactive species (RS), and lipid peroxidation. EXE and EXE + ORY flies showed increased survival and locomotor activity, improved glycidic and lipid parameters, with a lower RS production, and increased antioxidant defenses compared to Control, and EXE + ORY when compared to the EXE group, obtained an increase in the ratio of protein levels/body weight, decreased ratio of triglyceride levels/body weight and decreased lipid peroxidation. However, MLF showed less survival and decreased locomotor activity, possibly due to increased AChE activity and reduced antioxidant defenses. The EXE and EXE + ORY demonstrate effective results in maintaining endogenous defenses, with increased locomotor activity, supporting evidence on EXE benefits, and supplementation with antioxidant compounds face of health paradigms.HighlightsNew protocol system of exercise on Drosophila melanogaster model.ORY demonstrates synergistic effect with EXE.Exercise with ORY supplementation increases locomotor behavior.Exercise with ORY supplementation decrease oxidative damages on flies.
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Affiliation(s)
- Mustafa Munir Mustafa Dahleh
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactive Molecules, LaftamBio - Federal University of Pampa, Itaqui, Brazil
| | - Stífani Machado Araujo
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactive Molecules, LaftamBio - Federal University of Pampa, Itaqui, Brazil
| | - Vandreza Cardoso Bortolotto
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactive Molecules, LaftamBio - Federal University of Pampa, Itaqui, Brazil
| | - Franciane Cabral Pinheiro
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactive Molecules, LaftamBio - Federal University of Pampa, Itaqui, Brazil
| | - Márcia Rósula Poetini
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactive Molecules, LaftamBio - Federal University of Pampa, Itaqui, Brazil
| | - Elize Aparecida Santos Musachio
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactive Molecules, LaftamBio - Federal University of Pampa, Itaqui, Brazil
| | - Luana Barreto Meichtry
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactive Molecules, LaftamBio - Federal University of Pampa, Itaqui, Brazil
| | - Shanda de Freitas Couto
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactive Molecules, LaftamBio - Federal University of Pampa, Itaqui, Brazil
| | - Marina Prigol
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactive Molecules, LaftamBio - Federal University of Pampa, Itaqui, Brazil
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Araujo SM, Bortolotto VC, Poetini MR, Dahleh MMM, Couto SDF, Pinheiro FC, Meichtry LB, Musachio EAS, Ramborger BP, Roehrs R, Guerra GP, Prigol M. γ-Oryzanol produces an antidepressant-like effect in a chronic unpredictable mild stress model of depression in Drosophila melanogaster. Stress 2021; 24:282-293. [PMID: 32723199 DOI: 10.1080/10253890.2020.1790519] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Chronic unpredictable mild stress (CUMS) is a valid model for inducing depression-like symptoms in animal models, causing predictive behavioral, neurochemical, and physiological responses to this condition. This work aims to evaluate the possible antidepressant effect of γ-oryzanol (ORY) in the CUMS-induced depressive model in male Drosophila melanogaster. We will use the CUMS protocol to continue the study previously conducted by our research group, mimicking a depressive state in these insects. Male flies were subjected to various stressors according to a 10-day randomized schedule and concomitantly treated with ORY or fluoxetine (FLX). After the experimental period, in vivo behavioral tests were performed (open field, forced swimming, aggressiveness test, mating test, male virility, sucrose preference index and light/dark test) and ex vivo analyses measuring serotonin (5HT), dopamine (DA), octopamine (OCT) levels and body weight. We report here that ORY-treated flies and concomitant exposure to CUMS did not exhibit obvious behaviors such as prolonged immobility or increased aggressive behavior, reduced male mating and virility behavior, and anxiolytic behavior, in contrast to ORY, not altering sucrose preference and body weight flies exposed to CUMS. ORY effectively prevented 5HT and OCT reduction and partially protected against DA reduction. The data presented here are consistent and provide evidence for the use of ORY as a potential antidepressant compound.Lay SummaryFlies treated with ORY and concomitant exposure to CUMS did not exhibit obvious depressive-like behaviors, such as prolonged immobility in the FST or increased aggressive behavior, or reduced mating behavior, male virility, or anxiolytic behavior. ORY did not change the preference for sucrose and body weight of flies, about the levels of monoamines in the heads of flies, ORY was effective in preventing the reduction of 5HT and OCT, and we had partial protection of ORY for reducing the levels of DA.
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Affiliation(s)
- Stífani Machado Araujo
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactives Molecules - LaftamBio, Federal University of Pampa, Itaqui, Brazil
| | - Vandreza Cardoso Bortolotto
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactives Molecules - LaftamBio, Federal University of Pampa, Itaqui, Brazil
| | - Márcia Rósula Poetini
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactives Molecules - LaftamBio, Federal University of Pampa, Itaqui, Brazil
| | - Mustafa Munir Mustafa Dahleh
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactives Molecules - LaftamBio, Federal University of Pampa, Itaqui, Brazil
| | - Shanda de Freitas Couto
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactives Molecules - LaftamBio, Federal University of Pampa, Itaqui, Brazil
| | - Franciane Cabral Pinheiro
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactives Molecules - LaftamBio, Federal University of Pampa, Itaqui, Brazil
| | - Luana Barreto Meichtry
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactives Molecules - LaftamBio, Federal University of Pampa, Itaqui, Brazil
| | - Elize Aparecida Santos Musachio
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactives Molecules - LaftamBio, Federal University of Pampa, Itaqui, Brazil
| | - Bruna Piaia Ramborger
- Interdisciplinary Group of Research in Teaching Practice, Federal University of Pampa, Uruguaiana, Brazil
| | - Rafael Roehrs
- Interdisciplinary Group of Research in Teaching Practice, Federal University of Pampa, Uruguaiana, Brazil
| | - Gustavo Petri Guerra
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactives Molecules - LaftamBio, Federal University of Pampa, Itaqui, Brazil
| | - Marina Prigol
- Laboratory of Pharmacological and Toxicological Evaluations Applied to Bioactives Molecules - LaftamBio, Federal University of Pampa, Itaqui, Brazil
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16
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Silva NC, Poetini MR, Bianchini MC, Almeida FP, Dahle MMM, Araujo SM, Bortolotto VC, Musachio EAS, Ramborger BP, Novo DLR, Roehrs R, Mesko MF, Prigol M, Puntel RL. Protective effect of gamma-oryzanol against manganese-induced toxicity in Drosophila melanogaster. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:17519-17531. [PMID: 33403631 DOI: 10.1007/s11356-020-11848-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Accepted: 11/25/2020] [Indexed: 06/12/2023]
Abstract
Manganese (Mn) is an essential element that, in excess, seems to be involved in the development of different neurodegenerative conditions. Gamma-oryzanol (Ory) was previously reported to possess antioxidant and neuroprotective properties. Thus, we conducted this study to test the hypothesis that Ory can also protect flies in an Mn intoxication model. Adult wild-type flies were fed over 10 days with Mn (5 mM) and/or Ory (25 μM). Flies treated with Mn had a decrease in locomotor activity and a higher mortality rate compared to those in controls. Mn-treated flies also had a significant increase in acetylcholinesterase (AChE) activity, in Mn accumulation and in oxidative stress markers. Moreover, flies treated with Mn exhibited a significant decrease in dopamine levels and in tyrosine hydroxylase activity, as well as in mitochondrial and cellular viability. Particularly important, Ory protected against mortality and avoided locomotor and biochemical changes associated with Mn exposure. However, Ory did not prevent the accumulation of Mn. The present results support the notion that Ory effectively attenuates detrimental changes associated with Mn exposure in Drosophila melanogaster, reinforcing its neuroprotective action/potential.
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Affiliation(s)
- Neicí Cáceres Silva
- Universidade Federal do Pampa (UNIPAMPA), Campus Itaqui, Programa de Pós-Graduação em Bioquímica (PPGBioq), Rua Joaquim de Sá Britto, s/n - Bairro Promorar, Itaqui, RS, CEP 97650-000, Brazil
| | - Márcia Rósula Poetini
- Universidade Federal do Pampa (UNIPAMPA), Campus Itaqui, Programa de Pós-Graduação em Bioquímica (PPGBioq), Rua Joaquim de Sá Britto, s/n - Bairro Promorar, Itaqui, RS, CEP 97650-000, Brazil
| | - Matheus Chimelo Bianchini
- Universidade Federal do Pampa, Campus Uruguaiana, Programa de Pós-Graduação em Bioquímica (PPGBioq), BR-472 Km 7, Uruguaiana, RS, CEP 97500-970, Brazil
| | - Francielli Polet Almeida
- Universidade Federal do Pampa (UNIPAMPA), Campus Itaqui, Programa de Pós-Graduação em Bioquímica (PPGBioq), Rua Joaquim de Sá Britto, s/n - Bairro Promorar, Itaqui, RS, CEP 97650-000, Brazil
| | - Mustafá Munir Mustafa Dahle
- Universidade Federal do Pampa (UNIPAMPA), Campus Itaqui, Programa de Pós-Graduação em Bioquímica (PPGBioq), Rua Joaquim de Sá Britto, s/n - Bairro Promorar, Itaqui, RS, CEP 97650-000, Brazil
| | - Stífani Machado Araujo
- Universidade Federal do Pampa (UNIPAMPA), Campus Itaqui, Programa de Pós-Graduação em Bioquímica (PPGBioq), Rua Joaquim de Sá Britto, s/n - Bairro Promorar, Itaqui, RS, CEP 97650-000, Brazil
| | - Vandreza Cardoso Bortolotto
- Universidade Federal do Pampa (UNIPAMPA), Campus Itaqui, Programa de Pós-Graduação em Bioquímica (PPGBioq), Rua Joaquim de Sá Britto, s/n - Bairro Promorar, Itaqui, RS, CEP 97650-000, Brazil
| | - Elize Aparecida Santos Musachio
- Universidade Federal do Pampa (UNIPAMPA), Campus Itaqui, Programa de Pós-Graduação em Bioquímica (PPGBioq), Rua Joaquim de Sá Britto, s/n - Bairro Promorar, Itaqui, RS, CEP 97650-000, Brazil
| | - Bruna Piaia Ramborger
- Universidade Federal do Pampa, Campus Uruguaiana, Programa de Pós-Graduação em Bioquímica (PPGBioq), BR-472 Km 7, Uruguaiana, RS, CEP 97500-970, Brazil
| | - Diogo La Rosa Novo
- Universidade Federal de Pelotas, Campus Universitário, S/N - Prédio/Bloco: 30 e 32, Capão do Leão, RS, CEP 96160-000, Brazil
| | - Rafael Roehrs
- Universidade Federal do Pampa, Campus Uruguaiana, Programa de Pós-Graduação em Bioquímica (PPGBioq), BR-472 Km 7, Uruguaiana, RS, CEP 97500-970, Brazil
| | - Marcia Foster Mesko
- Universidade Federal de Pelotas, Campus Universitário, S/N - Prédio/Bloco: 30 e 32, Capão do Leão, RS, CEP 96160-000, Brazil
| | - Marina Prigol
- Universidade Federal do Pampa (UNIPAMPA), Campus Itaqui, Programa de Pós-Graduação em Bioquímica (PPGBioq), Rua Joaquim de Sá Britto, s/n - Bairro Promorar, Itaqui, RS, CEP 97650-000, Brazil.
| | - Robson Luiz Puntel
- Universidade Federal do Pampa, Campus Uruguaiana, Programa de Pós-Graduação em Bioquímica (PPGBioq), BR-472 Km 7, Uruguaiana, RS, CEP 97500-970, Brazil.
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17
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Fernandes EJ, Poetini MR, Barrientos MS, Bortolotto VC, Araujo SM, Santos Musachio EA, De Carvalho AS, Leimann FV, Gonçalves OH, Ramborger BP, Roehrs R, Prigol M, Guerra GP. Exposure to lutein-loaded nanoparticles attenuates Parkinson's model-induced damage in Drosophila melanogaster: Restoration of dopaminergic and cholinergic system and oxidative stress indicators. Chem Biol Interact 2021; 340:109431. [PMID: 33716020 DOI: 10.1016/j.cbi.2021.109431] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/27/2021] [Accepted: 02/27/2021] [Indexed: 12/12/2022]
Abstract
Parkinson's is a neurodegenerative disease, characterized by the loss of dopaminergic neurons, cholinergic alterations and oxidative damages. Lutein is widely known by its antioxidants properties. In the present study, we investigated whether lutein-loaded nanoparticles protects against locomotor damage and neurotoxicity induced by Parkinson's disease model in Drosophila melanogaster, as well as possible mechanisms of action. First, the nanoparticles were characterized by physicochemical methods, demonstrating that water affinity was improved by the encapsulation of lutein into the polymeric encapsulant matrix. The fruit flies of 1-4 days old were divided into four groups and exposed to a standard diet (control), a diet containing either rotenone (500 μM), lutein-loaded nanoparticles (6 μM) or rotenone (500 μM) and lutein-loaded nanoparticles (6 μM) for 7 days. The survival percentage was assessed, the flies were submitted to negative geotaxis, open field tasks and the determination of dopamine levels, tyrosine hydroxylase (TH) and acetylcholinesterase activities and oxidative stress indicators (superoxide dismutase, catalase, thiobarbituric acid reactive substances and glutathione S-transferase) were carried out. The exposure to lutein-loaded nanoparticles protected against locomotor damage and the decrease survival rate induced by rotenone, besides, it restored the dopamine levels, TH and acetylcholinesterase activities and oxidative stress indicators. These results provide evidence that lutein-loaded nanoparticles are an alternative treatment for rotenone-induced damage, and suggest the involvement of dopaminergic and cholinergic system and oxidative stress.
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Affiliation(s)
- Eliana Jardim Fernandes
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas - LaftamBio, Universidade Federal Do Pampa - Campus Itaqui, 97650-000, Itaqui, RS, Brazil; Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa - Campus Uruguaiana, 97508-000, Uruguaiana, RS, Brazil
| | - Marcia Rósula Poetini
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas - LaftamBio, Universidade Federal Do Pampa - Campus Itaqui, 97650-000, Itaqui, RS, Brazil; Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa - Campus Uruguaiana, 97508-000, Uruguaiana, RS, Brazil
| | - Magna Sotelo Barrientos
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas - LaftamBio, Universidade Federal Do Pampa - Campus Itaqui, 97650-000, Itaqui, RS, Brazil
| | - Vandreza Cardoso Bortolotto
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas - LaftamBio, Universidade Federal Do Pampa - Campus Itaqui, 97650-000, Itaqui, RS, Brazil; Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa - Campus Uruguaiana, 97508-000, Uruguaiana, RS, Brazil
| | - Stífani Machado Araujo
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas - LaftamBio, Universidade Federal Do Pampa - Campus Itaqui, 97650-000, Itaqui, RS, Brazil; Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa - Campus Uruguaiana, 97508-000, Uruguaiana, RS, Brazil
| | - Elize Aparecida Santos Musachio
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas - LaftamBio, Universidade Federal Do Pampa - Campus Itaqui, 97650-000, Itaqui, RS, Brazil; Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa - Campus Uruguaiana, 97508-000, Uruguaiana, RS, Brazil
| | - Amarilis Santos De Carvalho
- Programa de Pós-Graduação em Tecnologia de Alimentos, Universidade Tecnológica Federal do Paraná - Campus Campo Mourão, 87301-006, Campo Mourão, PR, Brazil
| | - Fernanda Vitória Leimann
- Programa de Pós-Graduação em Tecnologia de Alimentos, Universidade Tecnológica Federal do Paraná - Campus Campo Mourão, 87301-006, Campo Mourão, PR, Brazil
| | - Odinei Hess Gonçalves
- Programa de Pós-Graduação em Tecnologia de Alimentos, Universidade Tecnológica Federal do Paraná - Campus Campo Mourão, 87301-006, Campo Mourão, PR, Brazil
| | - Bruna Piaia Ramborger
- Grupo Interdisciplinar de Pesquisa em Prática de Ensino (GIPPE), Universidade Federal do Pampa - Campus Uruguaiana, 97508-000, Uruguaiana, RS, Brazil
| | - Rafael Roehrs
- Grupo Interdisciplinar de Pesquisa em Prática de Ensino (GIPPE), Universidade Federal do Pampa - Campus Uruguaiana, 97508-000, Uruguaiana, RS, Brazil
| | - Marina Prigol
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas - LaftamBio, Universidade Federal Do Pampa - Campus Itaqui, 97650-000, Itaqui, RS, Brazil; Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa - Campus Uruguaiana, 97508-000, Uruguaiana, RS, Brazil
| | - Gustavo Petri Guerra
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas - LaftamBio, Universidade Federal Do Pampa - Campus Itaqui, 97650-000, Itaqui, RS, Brazil; Programa de Pós-Graduação em Bioquímica, Universidade Federal do Pampa - Campus Uruguaiana, 97508-000, Uruguaiana, RS, Brazil.
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18
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A Review on Potential Footprints of Ferulic Acid for Treatment of Neurological Disorders. Neurochem Res 2021; 46:1043-1057. [PMID: 33547615 DOI: 10.1007/s11064-021-03257-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Revised: 01/16/2021] [Accepted: 01/22/2021] [Indexed: 02/06/2023]
Abstract
Ferulic acid is being screened in preclinical settings to combat various neurological disorders. It is a naturally occurring dietary flavonoid commonly found in grains, fruits, and vegetables such as rice, wheat, oats, tomatoes, sweet corn etc., which exhibits protective effects against a number of neurological diseases such as epilepsy, depression, ischemia-reperfusion injury, Alzheimer's disease, and Parkinson's disease. Ferulic acid prevents and treats different neurological diseases pertaining to its potent anti-oxidative and anti-inflammatory effects, beside modulating unique neuro-signaling pathways. It stays in the bloodstream for longer periods than other dietary polyphenols and antioxidants and easily crosses blood brain barrier. The use of novel drug delivery systems such as solid-lipid nanoparticles (SLNs) or its salt forms (sodium ferulate, ethyl ferulate, and isopentyl ferulate) further enhance its bioavailability and cerebral penetration. Based on reported studies, ferulic acid appears to be a promising molecule for treatment of neurological disorders; however, more preclinical (in vitro and in vivo) mechanism-based studies should be planned and conceived followed by its testing in clinical settings.
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Akter S, Uddin KR, Sasaki H, Shibata S. Gamma Oryzanol Alleviates High-Fat Diet-Induced Anxiety-Like Behaviors Through Downregulation of Dopamine and Inflammation in the Amygdala of Mice. Front Pharmacol 2020; 11:330. [PMID: 32256371 PMCID: PMC7090127 DOI: 10.3389/fphar.2020.00330] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2019] [Accepted: 03/06/2020] [Indexed: 12/13/2022] Open
Abstract
Background A high-fat diet (HFD) can induce obesity and metabolic disorders that are closely associated with cognitive impairments, and the progression of several psychiatric disorders such as anxiety. We have previously demonstrated the anxiolytic-like effect of Gamma oryzanol (GORZ) in chronic restraint stressed mice. Objective We studied the neurochemical and molecular mechanisms that underlie the preventive effect of GORZ in HFD-induced anxiety-like behaviors, monoaminergic dysfunction, and inflammation. Methods Eight-week-old Institute of Cancer (ICR) male mice weighing 33–34 g were divided into the following groups and free-fed for 8 weeks: control (14% casein, AIN 93M); HFD; HFD + GORZ (0.5% GORZ). Body weight gain was checked weekly. The anxiolytic-like effects of GORZ were examined via open-field test (OFT) and elevated plus maze (EPM) test. Brain levels of monoamines [5-hydroxy tryptamine (5-HT), dopamine (DA), and norepinephrine (NE)] and their metabolites [5-hydroxyindole acetic acid (5-HIAA), homovanillic acid (HVA), and 3-methoxy-4-hydroxyphenylglycol (MHPG)], proinflammatory cytokines such as tumor necrosis factor-αα (Tnf-α) mRNA levels, and interleukin 1-β (Il-1β) mRNA levels in the cerebral cortex and amygdala were examined using high-performance liquid chromatography-electrochemical detection (HPLC-ECD), and real-time reverse transcription-polymerase chain reaction (RT-PCR), respectively. Results Mice fed a HFD for eight weeks showed anxiety-like behaviors in association with HFD-induced body weight gain. GORZ potentially blocked HFD-induced anxiety-like behaviors via significant improvement of the primary behavioral parameters in behavioral tests, with a minor reduction in HFD-induced body weight gain. Furthermore, GORZ treatment significantly downregulated HFD-induced upregulation of dopamine levels in the brain's amygdala. Significant reduction of the relative mRNA expression of Tnf-α and Il-1 β was also observed in the amygdala of HFD + GORZ mice, compared to HFD mice. Conclusions Our findings strongly suggest that 0.5% GORZ exerts anxiolytic-like effects, possibly through downregulation of dopamine, and via expression of proinflammatory cytokines Tnf-α and Il-1 β in the case of chronic HFD exposure.
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Affiliation(s)
- Salina Akter
- Laboratory of Physiology and Pharmacology, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Kazi Rasel Uddin
- Laboratory of Physiology and Pharmacology, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Hiroyuki Sasaki
- Laboratory of Physiology and Pharmacology, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
| | - Shigenobu Shibata
- Laboratory of Physiology and Pharmacology, School of Advanced Science and Engineering, Waseda University, Tokyo, Japan
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Gamma-oryzanol prevents ethanol-induced liver injury by ameliorating oxidative stress and modulating apoptosis-related protein expression in mice. J Funct Foods 2019. [DOI: 10.1016/j.jff.2019.103532] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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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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Ilex paraguariensis Attenuates Changes in Mortality, Behavioral and Biochemical Parameters Associated to Methyl Malonate or Malonate Exposure in Drosophila melanogaster. Neurochem Res 2019; 44:2202-2214. [DOI: 10.1007/s11064-019-02862-w] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 07/23/2019] [Accepted: 08/12/2019] [Indexed: 01/02/2023]
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Khatoon R, Rasheed MZ, Rawat M, Alam MM, Tabassum H, Parvez S. Effect of melatonin on Aβ42 induced changes in the mitochondrial function related to Alzheimer's disease in Drosophila melanogaster. Neurosci Lett 2019; 711:134376. [PMID: 31325578 DOI: 10.1016/j.neulet.2019.134376] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Revised: 06/24/2019] [Accepted: 07/14/2019] [Indexed: 12/26/2022]
Abstract
Alzheimers's disease is one of the alarming neurodegenerative disease and it is of global concern.The hallmarks of the disease are the amyloid beta (Aβ) aggregation and presence of neurofibrillary tangles (NFTs). The interaction of Aβ with macromolecular targets affects the normal cellular functions. The amyloid peptide interaction with cellular surfaces may trigger the intracellular cascades of signalling. Interaction of Aβ with mitochondria leads to the generation of free radicals. Many studies have suggested the involvement of mitochondrial dysfunction in Alzheimer's disease. Melatonin prevents mitochondria stress and by means of activating the antioxidant systems it protects the death of neurons. Although the study have been already conducted on Aβ42 infused or injury induced animal models but till date there is no reports of such studies on transgenic model of Drosophila melanogaster. In the present study, we have taken UAS/Gal4 system for the development of transgenic flies that overexpress Aβ42 in the brain of Drosophila. With the help of these transgenic flies we have analyse different experiments like behavioural parameters, oxidative stress parameters and protein expression through western blotting in the presence of melatonin. We have found that melatonin significantly ameliorated the toxicity caused by the Aβ42 overexpression. Thus the present study could be beneficial to find out the role of melatonin in transgenic flies overexpressing human Aβ42.
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Affiliation(s)
- Rehana Khatoon
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Md Zeeshan Rasheed
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - Mahika Rawat
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India
| | - M Mumtaz Alam
- Department of Pharmaceutical Chemistry, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Heena Tabassum
- Division of Basic Medical Sciences, Indian Council of Medical Research, Ministry of Health and Family Welfare, Government of India, V. Ramalingaswamy Bhawan, New Delhi 110 029, India
| | - Suhel Parvez
- Department of Medical Elementology and Toxicology, School of Chemical and Life Sciences, Jamia Hamdard, New Delhi 110062, India.
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de Freitas Couto S, Araujo SM, Bortolotto VC, Poetini MR, Pinheiro FC, Santos Musachio EA, Meichtry LB, do Sacramento M, Alves D, La Rosa Novo D, Mesko MF, Prigol M. 7-chloro-4-(phenylselanyl) quinoline prevents dopamine depletion in a Drosophila melanogaster model of Parkinson's-like disease. J Trace Elem Med Biol 2019; 54:232-243. [PMID: 30366679 DOI: 10.1016/j.jtemb.2018.10.015] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 09/06/2018] [Accepted: 10/12/2018] [Indexed: 10/28/2022]
Abstract
Neurodegeneration in Parkinson's disease appears to be caused by multiple factors, including oxidative damage and an increase in acetylcholinesterase expression that can culminate in loss of dopaminergic neurons. A selenium-containing quinoline derivative, 7-chloro-4-(phenylselanyl) quinoline (4-PSQ), shows important pharmacological actions mainly attributed to its antioxidant and anticholinesterase properties. Thus, this study investigated the neuroprotective effect of 4-PSQ in a model of Parkinson's-like disease induced by rotenone (ROT) in Drosophila melanogaster and verified whether these effects are related to selenium levels. Adult flies were divided into: [1] control, [2] 4-PSQ (25 μM), [3] ROT (500 μM), and [4] 4-PSQ (25 μM) + ROT (500 μM) groups and exposed to a diet containing ROT and/or 4-PSQ for 7 days, according to their respective groups. Survival, behavioral, and ex vivo analyses were performed. Dopamine levels, reactive species levels (RS), lipid peroxidation (LPO), superoxide dismutase (SOD) and catalase (CAT) activity, and proteic thiol (PSH) and non-proteic thiol (NPSH) content in the head region were analyzed, while acetylcholinesterase (AChE) activity and selenium levels in the head and body regions were analyzed. 4-PSQ was able to reverse the ROT-induced deficits in flies, reestablish dopamine and selenium levels, reverse cholinergic deficits, improve motor function, and ameliorate mortality. Furthermore, 4-PSQ also reduced RS levels and LPO, and restored the activities of the antioxidant enzymes, SOD and CAT. Interestingly, a positive relationship between dopamine and selenium levels could be seen. Our results demonstrate the neuroprotective effect of 4-PSQ, and we suggest that the compound may act via different mechanisms, such as improving antioxidant defenses and consequently reducing oxidative damages, as well as having an anticholinesterase action, which together can prevent dopamine depletion, as these actions were correlated with the presence of selenium in the 4-PSQ molecule.
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Affiliation(s)
- Shanda de Freitas Couto
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas, LaftamBio Pampa, Universidade Federal do Pampa, Campus Itaqui, Rua Luiz Joaquim de Sá Britto, s/n - Bairro: Promorar, Itaqui, Rio Grande do Sul, CEP 97650-000, Brazil; Department of Nutrition, Universidade Federal do Pampa, Campus Itaqui, Rua Luiz Joaquim de Sá Britto, s/n - Bairro: Promorar, Itaqui, Rio Grande do Sul, CEP 97650-000, Brazil
| | - Stífani Machado Araujo
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas, LaftamBio Pampa, Universidade Federal do Pampa, Campus Itaqui, Rua Luiz Joaquim de Sá Britto, s/n - Bairro: Promorar, Itaqui, Rio Grande do Sul, CEP 97650-000, Brazil
| | - Vandreza Cardoso Bortolotto
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas, LaftamBio Pampa, Universidade Federal do Pampa, Campus Itaqui, Rua Luiz Joaquim de Sá Britto, s/n - Bairro: Promorar, Itaqui, Rio Grande do Sul, CEP 97650-000, Brazil
| | - Marcia Rósula Poetini
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas, LaftamBio Pampa, Universidade Federal do Pampa, Campus Itaqui, Rua Luiz Joaquim de Sá Britto, s/n - Bairro: Promorar, Itaqui, Rio Grande do Sul, CEP 97650-000, Brazil
| | - Franciane Cabral Pinheiro
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas, LaftamBio Pampa, Universidade Federal do Pampa, Campus Itaqui, Rua Luiz Joaquim de Sá Britto, s/n - Bairro: Promorar, Itaqui, Rio Grande do Sul, CEP 97650-000, Brazil
| | - Elize Aparecida Santos Musachio
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas, LaftamBio Pampa, Universidade Federal do Pampa, Campus Itaqui, Rua Luiz Joaquim de Sá Britto, s/n - Bairro: Promorar, Itaqui, Rio Grande do Sul, CEP 97650-000, Brazil
| | - Luana Barreto Meichtry
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas, LaftamBio Pampa, Universidade Federal do Pampa, Campus Itaqui, Rua Luiz Joaquim de Sá Britto, s/n - Bairro: Promorar, Itaqui, Rio Grande do Sul, CEP 97650-000, Brazil
| | - Manoela do Sacramento
- Laboratório de Síntese Orgânica Limpa, LASOL, Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas, Campus Universitário, S/N - Prédio/Bloco: 30 e 32, Capão do Leão, Rio Grande do Sul, CEP 96160-000, Brazil
| | - Diego Alves
- Laboratório de Síntese Orgânica Limpa, LASOL, Centro de Ciências Químicas, Farmacêuticas e de Alimentos (CCQFA), Universidade Federal de Pelotas, Campus Universitário, S/N - Prédio/Bloco: 30 e 32, Capão do Leão, Rio Grande do Sul, CEP 96160-000, Brazil
| | - Diogo La Rosa Novo
- Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário, S/N - Prédio/Bloco: 30 e 32, Capão do Leão, Rio Grande do Sul, CEP 96160-000, Brazil
| | - Márcia Foster Mesko
- Centro de Ciências Químicas, Farmacêuticas e de Alimentos, Universidade Federal de Pelotas, Campus Universitário, S/N - Prédio/Bloco: 30 e 32, Capão do Leão, Rio Grande do Sul, CEP 96160-000, Brazil
| | - Marina Prigol
- Laboratório de Avaliações Farmacológicas e Toxicológicas Aplicadas às Moléculas Bioativas, LaftamBio Pampa, Universidade Federal do Pampa, Campus Itaqui, Rua Luiz Joaquim de Sá Britto, s/n - Bairro: Promorar, Itaqui, Rio Grande do Sul, CEP 97650-000, Brazil; Department of Nutrition, Universidade Federal do Pampa, Campus Itaqui, Rua Luiz Joaquim de Sá Britto, s/n - Bairro: Promorar, Itaqui, Rio Grande do Sul, CEP 97650-000, Brazil.
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Sombutsuwan P, Nakornsadet A, Aryusuk K, Akepratumchai S, Jeyashoke N, Lilitchan S, Krisnangkura K. Recovery of γ-Oryzanol from Rice Bran Acid Oil by an Acid-base Extraction Method with the Assistance of Response Surface Methodology. J Oleo Sci 2018; 67:1405-1415. [PMID: 30404961 DOI: 10.5650/jos.ess18073] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
A rapid and low energy consumption method for the recovery of γ-oryzanol from rice bran acid oil (RBAO), a byproduct of rice bran oil (RBO) refining, is presented. The RBAO was converted to the fatty acid ethyl ester (FAEE) and was used as the starting material. The dissolved γ-oryzanol was separated from the FAEE using an acid-base extraction method with alkaline aqueous ethanol and hexane as extraction media. A systematic investigation of the extraction yield was carried out by applying response surface methodology (RSM) based on central composite design (CCD) and Derringer's desirability function. The concentration of NaOH, the percentage of ethanol in water, the hexane content and their interactions showed significant effects on the yield of γ-oryzanol and FAEE. The optimal extraction conditions were as follows: extraction time of 1 min at room temperature (28-32°C); extraction medium: 1.855 M NaOH; 75.91% ethanol in water and 20.59% hexane in the total volume of the extractant; and FAEE to extractant ratio of 1:10 corresponding to a maximum γ-oryzanol yield of 75.82±3.44% and the desired FAEE yield of 54.42±7.80%. The γ-oryzanol-rich fraction was further purified by washing with a 2% Na2CO3 solution, obtaining 69.94% recovery yield with 89.90% purity of γ-oryzanol. The purified γ-oryzanol showed good scavenging activity on the 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical and the ABTS radical and was comparable to the commercial product, clearly suggesting that the presented process was efficient and feasible.
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Affiliation(s)
- Piraporn Sombutsuwan
- Division of Biochemical Technology, School of Bioresources and Technology, King Mongkut's University of Technology
| | - Akkaradech Nakornsadet
- Division of Biochemical Technology, School of Bioresources and Technology, King Mongkut's University of Technology
| | - Kornkanok Aryusuk
- Division of Biochemical Technology, School of Bioresources and Technology, King Mongkut's University of Technology
| | - Saengchai Akepratumchai
- Division of Biotechnology, School of Bioresources and Technology, King Mongkut's University of Technology
| | - Narumon Jeyashoke
- Division of Biochemical Technology, School of Bioresources and Technology, King Mongkut's University of Technology
| | | | - Kanit Krisnangkura
- Division of Biochemical Technology, School of Bioresources and Technology, King Mongkut's University of Technology
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Rungratanawanich W, Memo M, Uberti D. Redox Homeostasis and Natural Dietary Compounds: Focusing on Antioxidants of Rice ( Oryza sativa L.). Nutrients 2018; 10:nu10111605. [PMID: 30388764 PMCID: PMC6265930 DOI: 10.3390/nu10111605] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Revised: 10/25/2018] [Accepted: 10/26/2018] [Indexed: 12/11/2022] Open
Abstract
Redox homeostasis may be defined as the dynamic equilibrium between electrophiles and nucleophiles to maintain the optimum redox steady state. This mechanism involves complex reactions, including nuclear factor erythroid 2-related factor 2 (Nrf2) pathway, activated by oxidative stress in order to restore the redox balance. The ability to maintain the optimal redox homeostasis is fundamental for preserving physiological functions and preventing phenotypic shift toward pathological conditions. Here, we reviewed mechanisms involved in redox homeostasis and how certain natural compounds regulate the nucleophilic tone. In addition, we focused on the antioxidant properties of rice and particularly on its bioactive compound, γ-oryzanol. It is well known that γ-oryzanol exerts a variety of beneficial effects mediated by its antioxidant properties. Recently, γ-oryzanol was also found as a Nrf2 inducer, resulting in nucleophilic tone regulation and making rice a para-hormetic food.
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Affiliation(s)
- Wiramon Rungratanawanich
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy.
| | - Maurizio Memo
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy.
| | - Daniela Uberti
- Department of Molecular and Translational Medicine, University of Brescia, 25123 Brescia, Italy.
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Rocha F, Yumi Sugahara L, Leimann FV, de Oliveira SM, da Silva Brum E, Calhelha RC, Barreiro MF, Ferreira ICFR, Porto Ineu R, Gonçalves OH. Nanodispersions of beta-carotene: effects on antioxidant enzymes and cytotoxic properties. Food Funct 2018; 9:3698-3706. [PMID: 29974106 DOI: 10.1039/c8fo00804c] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Beta-carotene is a carotenoid precursor of vitamin A, known for its biological activities. Due to its high hydrophobicity, nanonization processes, i.e. the transformation into nanoparticles, can improve its water affinity, and therefore the activity in aqueous systems. The objective of this study was to produce beta-carotene nanoparticles by the solid dispersion method and to evaluate their effects on the activity of glutathione-S-transferase and acetylcholinesterase enzymes using Drosophila melanogaster (DM) homogenate, the superoxide dismutase- and catalase-like activities under in vitro conditions, and their cytotoxic properties against tumor and non-tumor cells. The formed nanometric beta-carotene particles resulted in stable colloids, readily dispersed in water, able to modulate acetylcholinesterase (AChE) activity, and presenting high potential to control the cholinergic system. Beta-carotene nanoparticles, at concentrations much lower than the pure pristine beta-carotene, presented in vitro mimetic activity to superoxide dismutase and altered glutathione-S-transferase activity in DM tissue. The content of hydrogen peroxide was neither affected by the nanoparticles (in aqueous solution) nor by pristine beta-carotene (in DMSO). In the cytotoxic assays, beta-carotene nanoparticles dispersed in water showed activity against four different tumor cell lines. Overall, beta-carotene nanoparticles presented significant bioactivity in aqueous medium surpassing their high hydrophobicity constraint.
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Affiliation(s)
- Felipe Rocha
- Post-Graduation Program of Food Technology (PPGTA), Federal University of Technology - Paraná- UTFPR, Campus Campo Mourão, via Rosalina Maria dos Santos, 1233, CEP 87301-899, Caixa Postal: 271, Campo Mourão, PR, Brazil
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Characterization of the Antioxidant Effects of γ-Oryzanol: Involvement of the Nrf2 Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:2987249. [PMID: 29725495 PMCID: PMC5872657 DOI: 10.1155/2018/2987249] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 01/23/2018] [Indexed: 12/12/2022]
Abstract
γ-Oryzanol (ORY) is well known for its antioxidant potential. However, the mechanism by which ORY exerts its antioxidant effect is still unclear. In this paper, the antioxidant properties of ORY were investigated for its potential effects as a reactive oxygen and nitrogen species (ROS/RNS) scavenger and in activating antioxidant-promoting intracellular pathways utilizing the human embryonic kidney cells (HEK-293). The 24 h ORY exposure significantly prevented hydrogen peroxide- (H2O2-) induced ROS/RNS production at 3 h, and this effect was sustained for at least 24 h. ORY pretreatment also enhanced the activity of antioxidant enzymes: superoxide dismutase (SOD) and glutathione peroxidase (GPX). Interestingly, ORY induced the nuclear factor (erythroid-derived 2)-like 2 (Nrf2) nuclear translocation and upregulation of Nrf2-dependent defensive genes such as NAD(P)H quinone reductase (NQO1), heme oxygenase-1 (HO-1), and glutathione synthetase (GSS) at mRNA and protein levels in both basal condition and after H2O2 insult. Thus, this study suggested an intriguing effect of ORY in modulating the Nrf2 pathway, which is also involved in regulating longevity as well as age-related diseases.
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Hesperidin attenuates iron-induced oxidative damage and dopamine depletion in Drosophila melanogaster model of Parkinson's disease. Chem Biol Interact 2018; 279:177-186. [DOI: 10.1016/j.cbi.2017.11.018] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2017] [Revised: 11/22/2017] [Accepted: 11/26/2017] [Indexed: 11/20/2022]
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Figueira FH, de Quadros Oliveira N, de Aguiar LM, Escarrone AL, Primel EG, Barros DM, da Rosa CE. Exposure to atrazine alters behaviour and disrupts the dopaminergic system in Drosophila melanogaster. Comp Biochem Physiol C Toxicol Pharmacol 2017; 202:94-102. [PMID: 28847529 DOI: 10.1016/j.cbpc.2017.08.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/30/2017] [Revised: 08/20/2017] [Accepted: 08/20/2017] [Indexed: 12/21/2022]
Abstract
Atrazine is an extensively used herbicide, and has become a common environmental contaminant. Effects on dopaminergic neurotransmission in mammals following exposure to atrazine have been previously demonstrated. Here, the effects of atrazine regarding behavioural and dopaminergic neurotransmission parameters were assessed in the fruit fly D. melanogaster, exposed during embryonic and larval development. Embryos (newly fertilized eggs) were exposed to two atrazine concentrations (10μM and 100μM) in the diet until the adult fly emerged. Negative geotaxis assay, as well as exploratory behaviour, immobility time and number of grooming episodes in an open field system were assessed. Tyrosine hydroxylase (TH) activity and gene expression of the dopaminergic system were also evaluated in newly emerged male and female flies. All analyzed parameters in male flies were not significantly affected by atrazine exposure. However female flies exposed to atrazine at 10μM presented an increase in immobility time and a reduction in exploratory activity in the open field test, which was offset by an increase in the number of grooming episodes. Also, female flies exposed to 100μM of atrazine presented an increase in immobility time. Gene expression of DOPA decarboxylase and dopamine (DA) receptors were also increased only in females. The behavioural effects of atrazine exposure observed in female flies were due to a disturbance in the dopaminergic system.
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Affiliation(s)
- Fernanda Hernandes Figueira
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil
| | - Natália de Quadros Oliveira
- Universidade Federal do Rio Grande - FURG, Av. Itália km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil
| | - Lais Mattos de Aguiar
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil.
| | - Ana Laura Escarrone
- Universidade Federal do Rio Grande - FURG, Av. Itália km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil
| | - Ednei Gilberto Primel
- Escola de Química e Alimentos, Universidade Federal do Rio Grande - FURG, Av. Itália km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil.
| | - Daniela Martí Barros
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil
| | - Carlos Eduardo da Rosa
- Programa de Pós-Graduação em Ciências Fisiológicas, Instituto de Ciências Biológicas, Universidade Federal do Rio Grande - FURG, Av. Itália km 8, Campus Carreiros, 96203-900 Rio Grande, RS, Brazil.
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Jha AB, Panchal SS. Neuroprotection and cognitive enhancement by treatment with γ-oryzanol in sporadic Alzheimer's disease. J Appl Biomed 2017. [DOI: 10.1016/j.jab.2017.05.001] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
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Samad N, Haleem DJ. Antioxidant effects of rice bran oil mitigate repeated haloperidol-induced tardive dyskinesia in male rats. Metab Brain Dis 2017; 32:1099-1107. [PMID: 28374238 DOI: 10.1007/s11011-017-0002-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2016] [Accepted: 03/26/2017] [Indexed: 10/19/2022]
Abstract
Tardive dyskinesia (TD) is associated with the use of antipsychotic drugs such as D2 antagonist haloperidol (HP). The chronic use of HP is involved in the causation of free radicals and/or oxidative stress. In view of the nootropic, anti-anxiety, anti-inflammatory-like effects of rice bran oil (RBO) in a variety of investigations, we assessed the protective properties of RBO on HP-induced TD and neurochemical alteration. Rats treated with HP orally at a dose of 0.2 mg/kg/day for a period of 5 weeks developed VCMs which increased progressively as the treatment continued for 5 weeks. Co-administration of RBO by oral tubes at a dose of 0.4 ml/day prevented the induction of HP-induced VCMs. Repeated administration of HP increases the turnover of dopamine metabolism in the striatum. Conversely animals treated with HP + RBO decrease the metabolism of DA than water + HP treated animals. Striatal, malondieldehyde (MDA), hydrogen peroxide (H2O2) and antioxidant enzyme superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx) were also determined. It is suggested that beneficial role of RBO in attenuation of HP-induced TD. The results therefore recommended that supplementation of RBO may be useful in the HP-induced TD. The findings have also potential implication in the treatment of schizophrenia and motor disorders.
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Affiliation(s)
- Noreen Samad
- Department of Biochemistry, Bahauddin Zakariya University, Multan, 60800, Pakistan.
| | - Darakhshan Jabeen Haleem
- Neuroscience Research Laboratory, Dr. Panjwani Center for Molecular Medicine and Drug Research, University of Karachi, Karachi, 75270, Pakistan
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Jiang X, Feng X, Huang H, Liu L, Qiao L, Zhang B, Yu W. The effects of rotenone-induced toxicity via the NF-κB-iNOS pathway in rat liver. Toxicol Mech Methods 2017; 27:318-325. [PMID: 28110601 DOI: 10.1080/15376516.2017.1285972] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Rotenone has been used as a pesticide for many years, it is an environmental poison reported to cause neurological diseases. However, the effects of rotenone on the rat liver are unclear, as are the mechanisms of toxicity. In the present study, Sprague-Dawley (SD) rats were divided into five groups: control, dimethyl sulfoxide (DMSO), rotenone low-dose (1 mg/kg), rotenone mid-dose (2 mg/kg) and rotenone high-dose (4 mg/kg). The treatments were orally administered daily for 28 days, we assessed health status, mRNA expression levels of inflammatory factors, protein levels, nitric oxide (NO) content and histological changes. The results showed that body weight was significantly decreased in each rotenone group in a dose-dependent manner, compared with the control group. Rotenone significantly increased the mRNA levels of cyclooxygenase-2 (COX-2), nuclear factor kappaB (NF-κB), prostaglandin E2 (PGE2), inducible nitric oxide synthase (iNOS) and tumor necrosis factor (TNF-α) in each rotenone group compared with the control group, except iNOS and TNF-α mRNA expression in the low-dose group. The protein levels of COX-2 were significantly higher in each rotenone group compared with the control group, NF-κB protein expression were significantly higher in the rotenone mid and high-dose groups, but not in the low-dose group, compared with the control group, similar changes were observed in NO content. Additionally, histological analysis revealed that the most severe tissue damage occurred in the high-dose group. These results indicated that rotenone has toxic effect in rat liver relating to inflammatory factors. Our findings provide insight into the mechanisms of rotenone hepatotoxicity.
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Affiliation(s)
- Xiaowen Jiang
- a Department of Veterinary Medicine , Northeast Agricultural University , Harbin , China
| | - Xinxin Feng
- a Department of Veterinary Medicine , Northeast Agricultural University , Harbin , China
| | - Hui Huang
- a Department of Veterinary Medicine , Northeast Agricultural University , Harbin , China
| | - Lin Liu
- a Department of Veterinary Medicine , Northeast Agricultural University , Harbin , China
| | - Lu Qiao
- a Department of Veterinary Medicine , Northeast Agricultural University , Harbin , China
| | - Binqing Zhang
- a Department of Veterinary Medicine , Northeast Agricultural University , Harbin , China
| | - Wenhui Yu
- a Department of Veterinary Medicine , Northeast Agricultural University , Harbin , China
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Minatel IO, Francisqueti FV, Corrêa CR, Lima GPP. Antioxidant Activity of γ-Oryzanol: A Complex Network of Interactions. Int J Mol Sci 2016; 17:E1107. [PMID: 27517904 PMCID: PMC5000585 DOI: 10.3390/ijms17081107] [Citation(s) in RCA: 74] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Revised: 06/29/2016] [Accepted: 07/07/2016] [Indexed: 12/19/2022] Open
Abstract
γ-oryzanol (Orz), a steryl ferulate extracted from rice bran layer, exerts a wide spectrum of biological activities. In addition to its antioxidant activity, Orz is often associated with cholesterol-lowering, anti-inflammatory, anti-cancer and anti-diabetic effects. In recent years, the usefulness of Orz has been studied for the treatment of metabolic diseases, as it acts to ameliorate insulin activity, cholesterol metabolism, and associated chronic inflammation. Previous studies have shown the direct action of Orz when downregulating the expression of genes that encode proteins related to adiposity (CCAAT/enhancer binding proteins (C/EBPs)), inflammatory responses (nuclear factor kappa-B (NF-κB)), and metabolic syndrome (peroxisome proliferator-activated receptors (PPARs)). It is likely that this wide range of beneficial activities results from a complex network of interactions and signals triggered, and/or inhibited by its antioxidant properties. This review focuses on the significance of Orz in metabolic disorders, which feature remarkable oxidative imbalance, such as impaired glucose metabolism, obesity, and inflammation.
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Affiliation(s)
- Igor Otavio Minatel
- Department of Chemistry and Biochemistry, Institute of Bioscience, Sao Paulo State University, Botucatu 18618-689, Brazil.
| | | | - Camila Renata Corrêa
- Department of Pathology, Botucatu Medical School, Sao Paulo State University, Botucatu 18618-970, Brazil.
| | - Giuseppina Pace Pereira Lima
- Department of Chemistry and Biochemistry, Institute of Bioscience, Sao Paulo State University, Botucatu 18618-689, Brazil.
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High-Fat Diet Induces Oxidative Stress and MPK2 and HSP83 Gene Expression in Drosophila melanogaster. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2016; 2016:4018157. [PMID: 27579152 PMCID: PMC4992541 DOI: 10.1155/2016/4018157] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/14/2016] [Revised: 06/26/2016] [Accepted: 06/30/2016] [Indexed: 12/14/2022]
Abstract
The consumption of a high-fat diet (HFD) causes alteration in normal metabolism affecting lifespan of flies; however molecular mechanism associated with this damage in flies is not well known. This study evaluates the effects of ingestion of a diet supplemented with 10% and 20% of coconut oil, which is rich in saturated fatty acids, on oxidative stress and cells stress signaling pathways. After exposure to the diet for seven days, cellular and mitochondrial viability, lipid peroxidation and antioxidant enzymes SOD and CAT activity, and mRNA expression of antioxidant enzymes HSP83 and MPK2 were analyzed. To confirm the damage effect of diet on flies, survival and lifespan were investigated. The results revealed that the HFD augmented the rate of lipid peroxidation and SOD and CAT activity and induced a higher expression of HSP83 and MPK2 mRNA. In parallel, levels of enzymes involved in lipid metabolism (ACSL1 and ACeCS1) were increased. Our data demonstrate that association among metabolic changes, oxidative stress, and protein signalization might be involved in shortening the lifespan of flies fed with a HFD.
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