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Carrillo-Garmendia A, Madrigal-Perez LA, Regalado-Gonzalez C. The multifaceted role of quercetin derived from its mitochondrial mechanism. Mol Cell Biochem 2024; 479:1985-1997. [PMID: 37656383 DOI: 10.1007/s11010-023-04833-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 08/14/2023] [Indexed: 09/02/2023]
Abstract
Quercetin is a flavonoid with promising therapeutic applications; nonetheless, the phenotype exerted in some diseases is contradictory. For instance, anticancer properties may be explained by a cytotoxic mechanism, whereas antioxidant-related neuroprotection is a pro-survival process. According to the available literature, quercetin exerts a redox interaction with the electron transport chain (ETC) in the mitochondrion, affecting its membrane potential. It also affects ATP generation by oxidative phosphorylation, where ATP deprivation could partly explain its cytotoxic effect. Moreover, quercetin may support the generation of free radicals through redox reactions, causing a prooxidant effect. The nutrimental stress and prooxidant effect induced by quercetin might promote pro-survival properties such as antioxidant processes. Thus, in this review, we discuss the evidence supporting that quercetin redox interaction with the ETC could explain its beneficial and toxic properties.
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Affiliation(s)
| | - Luis Alberto Madrigal-Perez
- Tecnológico Nacional de México/Instituto Tecnológico Superior de Ciudad Hidalgo, Av. Ing. Carlos Rojas Gutiérrez #2120, Ciudad Hidalgo, Michoacán, 61100, México.
| | - Carlos Regalado-Gonzalez
- Cerro de las Campanas, Universidad Autónoma de Querétaro, Santiago de Querétaro, Qro, 76010, México.
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2
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Zúñiga-Hernández SR, García-Iglesias T, Macías-Carballo M, Pérez-Larios A, Gutiérrez-Mercado YK, Camargo-Hernández G, Rodríguez-Razón CM. Targets and Effects of Common Biocompounds of Hibiscus sabdariffa (Delphinidin-3-Sambubiosid, Quercetin, and Hibiscus Acid) in Different Pathways of Human Cells According to a Bioinformatic Assay. Nutrients 2024; 16:566. [PMID: 38398890 PMCID: PMC10893457 DOI: 10.3390/nu16040566] [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: 11/29/2023] [Revised: 02/01/2024] [Accepted: 02/08/2024] [Indexed: 02/25/2024] Open
Abstract
The utilization of food as a therapeutic measure for various ailments has been a prevalent practice throughout history and across different cultures. This is exemplified in societies where substances like Hibiscus sabdariffa have been employed to manage health conditions like hypertension and elevated blood glucose levels. The inherent bioactive compounds found in this plant, namely, delphinidin-3-sambubioside (DS3), quercetin (QRC), and hibiscus acid (HA), have been linked to various health benefits. Despite receiving individual attention, the specific molecular targets for these compounds remain unclear. In this study, computational analysis was conducted using bioinformatics tools such as Swiss Target Prediction, ShinnyGo 0.77, KEGG, and Stringdb to identify the molecular targets, pathways, and hub genes. Supplementary results were obtained through a thorough literature search in PubMed. DS3 analysis revealed potential genetic alterations related to the metabolism of nitrogen and glucose, inflammation, angiogenesis, and cell proliferation, particularly impacting the PI3K-AKT signaling pathway. QRC analysis demonstrated interconnected targets spanning multiple pathways, with some overlap with DS3 analysis and a particular focus on pathways related to cancer. HA analysis revealed distinct targets, especially those associated with pathways related to the nervous system. These findings emphasize the necessity for focused research on the molecular effects of DS3, QRC, and HA, thereby providing valuable insights into potential therapeutic pathways.
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Affiliation(s)
- Sergio R. Zúñiga-Hernández
- Departamento de Ciencias de la Salud, Centro Universitario de los Altos, Universidad de Guadalajara, Tepatitlán de Morelos 47620, Mexico;
| | - Trinidad García-Iglesias
- Instituto de Investigación de Cáncer en la Infancia y Adolescencia, Departamento de Fisiología, Centro Universitario de Ciencias de la Salud, Guadalajara 44340, Mexico;
| | - Monserrat Macías-Carballo
- Instituto de Investigación en Ciencias Médicas, Centro Universitario de los Altos, Universidad de Guadalajara, Tepatitlán de Morelos 47620, Mexico;
| | - Alejandro Pérez-Larios
- Laboratorio de Nanomateriales, Agua y Energia, Departamento de Ingenierias, Centro Universitario de los Altos, Tepatitlán de Morelos 47620, Mexico;
| | - Yanet Karina Gutiérrez-Mercado
- Laboratorio Biotecnológico de Investigación y Diagnóstico, Departamento de Clínicas, Centro Universitario de los Altos, Tepatitlán de Morelos 47620, Mexico;
| | - Gabriela Camargo-Hernández
- Departamento de Ciencias de la Salud, Centro Universitario de los Altos, Universidad de Guadalajara, Tepatitlán de Morelos 47620, Mexico;
| | - Christian Martin Rodríguez-Razón
- Laboratorio de Experimentación Animal (Bioterio), Departamento de Ciencias de la Salud, Centro Universitario de los Altos, Tepatitlán de Morelos 47620, Mexico
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3
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Elkholy NS, Mohammed HS, Shafaa MW. Assessment of the therapeutic potential of lutein and beta-carotene nanodispersions in a rat model of fibromyalgia. Sci Rep 2023; 13:19712. [PMID: 37953299 PMCID: PMC10641082 DOI: 10.1038/s41598-023-46980-6] [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: 08/04/2023] [Accepted: 11/07/2023] [Indexed: 11/14/2023] Open
Abstract
Fibromyalgia (FM) is a chronic disorder characterized by widespread musculoskeletal pain, fatigue, and cognitive impairment. Despite the availability of various treatment options, FM remains a challenging condition to manage. In the present study, we investigated the efficacy of formulated nanodispersions of lutein and beta-carotene in treating FM-related symptoms induced by reserpine in female Wistar rats. Several techniques have been implemented to assess this efficacy at various levels, including biochemical, bioelectrical, and behavioral. Namely, oxidative stress markers, monoamine levels, electrocorticography, pain threshold test, and open field test were conducted on control, FM-induced, and FM-treated groups of animals. Our results provided compelling evidence for the efficacy of carotenoid nanodispersions in treating FM-related symptoms. Specifically, we found that the dual action of the nanodispersion, as both antioxidant and antidepressant, accounted for their beneficial effects in treating FM. With further investigation, nano-carotenoids and particularly nano-lutein could potentially become an effective alternative treatment for patients with FM who do not respond to current treatment options.
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Affiliation(s)
- Nourhan S Elkholy
- Medical Biophysics Division, Physics Department, Faculty of Science, Helwan University, Cairo, Egypt
- Nawah Scientific Co., Cairo, Egypt
| | - Haitham S Mohammed
- Biophysics Department, Faculty of Science, Cairo University, Giza, Egypt.
| | - Medhat W Shafaa
- Medical Biophysics Division, Physics Department, Faculty of Science, Helwan University, Cairo, Egypt
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4
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Varlamova EG, Uspalenko NI, Khmil NV, Shigaeva MI, Stepanov MR, Ananyan MA, Timchenko MA, Molchanov MV, Mironova GD, Turovsky EA. A Comparative Analysis of Neuroprotective Properties of Taxifolin and Its Water-Soluble Form in Ischemia of Cerebral Cortical Cells of the Mouse. Int J Mol Sci 2023; 24:11436. [PMID: 37511195 PMCID: PMC10380368 DOI: 10.3390/ijms241411436] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 07/03/2023] [Accepted: 07/11/2023] [Indexed: 07/30/2023] Open
Abstract
Cerebral ischemia, and, as a result, insult, attacks up to 15 million people yearly in the world. In this connection, the development of effective preventive programs and methods of therapy has become one of the most urgent problems in modern angiology and pharmacology. The cytoprotective action of taxifolin (TAX) in ischemia is well known, but its limitations are also known due to its poor solubility and low capacity to pass through the hematoencephalic barrier. Molecular mechanisms underlying the protective effect of TAX in complex systems such as the brain remain poorly understood. It is known that the main cell types of the brain are neurons, astrocytes, and microglia, which regulate the activity of each other through neuroglial interactions. In this work, a comparative study of cytoprotective mechanisms of the effect of TAX and its new water-soluble form aqua taxifolin (aqTAX) was performed on cultured brain cells under ischemia-like conditions (oxygen-glucose deprivation (OGD)) followed by the reoxygenation of the culture medium. The concentration dependences of the protective effects of both taxifolin forms were determined using fluorescence microscopy, PCR analysis, and vitality tests. It was found that TAX began to effectively inhibit necrosis and the late stages of apoptosis in the concentration range of 30-100 µg/mL, with aqTAX in the range of 10-30 µg/mL. At the level of gene expression, aqTAX affected a larger number of genes than TAX; enhanced the basic and OGD/R-induced expression of genes encoding ROS-scavenging proteins with a higher efficiency, as well as anti-inflammatory and antiapoptotic proteins; and lowered the level of excitatory glutamate receptors. As a result, aqTAX significantly inhibited the OGD-induced increase in the Ca2+ levels in the cytosol ([Ca2+]i) in neurons and astrocytes under ischemic conditions. After a 40 min preincubation of cells with aqTAX under hypoxic conditions, these Ca2+ signals were completely inhibited, resulting in an almost complete suppression of necrotic death of cerebral cortical cells, which was not observed with the use of classical TAX.
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Affiliation(s)
- Elena G Varlamova
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
| | - Nina I Uspalenko
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
| | - Natalia V Khmil
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
| | - Maria I Shigaeva
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
| | | | | | - Maria A Timchenko
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
| | - Maxim V Molchanov
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
| | - Galina D Mironova
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
| | - Egor A Turovsky
- Institute of Cell Biophysics, Russian Academy of Sciences, Pushchino 142290, Russia
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5
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Adeoluwa OA, Nneda OJ, Onyinye AG, Akinluyi ET, Racheal AF, Adedamola F, Kate N, Edem EE, Taghogho EA, Badamasi A. Quercetin abrogates lipopolysaccharide-induced depressive-like symptoms by inhibiting neuroinflammation via microglial NLRP3/NFκB/iNOS signaling pathway. Behav Brain Res 2023; 450:114503. [PMID: 37209878 DOI: 10.1016/j.bbr.2023.114503] [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: 02/17/2023] [Revised: 04/28/2023] [Accepted: 05/17/2023] [Indexed: 05/22/2023]
Abstract
BACKGROUND Major depressive disorder is a serious psychiatric illness having serious damaging effect on the quality of life of suffers. Quercetin is a plant flavonoid, mostly used as a constituent in dietary products. This study evaluated antidepressant effect of quercetin on lipopolysaccharide (LPS)-induced depression in rats. MATERIALS AND METHODS Twenty-one male rats were randomly assigned into three groups (n= 7): group 1 (vehicle only), group 2 (quercetin), group 3 (LPS). Rats were treated with vehicle (10mL/kg, p.o.) or quercetin (50mg/kg, p.o.) for seven days. Sixty minutes after treatment on day seven, all animals were injected with LPS (0.83mg/kg, i.p.) except group 1 (vehicle only). Twenty-four hours after LPS injection, animals were assessed for depressive symptoms using forced swim, sucrose splash and open field tests. Animals were sacrificed; brain samples collected for bioassay of pro-inflammatory mediators, TNF-α, IL-6 and IL-17 were measured using enzyme-linked immunosorbent assay (ELISA) while expressions of NF-κB, inflammasomes, microglia and iNOS were quantified by immunohistochemistry. RESULTS The LPS significantly (p<0.05) decreased mobility of rats in FST and decreased sucrose preference, which is indicative of depressive-like behaviours. These behaviours were significantly (p<0.05) attenuated by quercetin compared to control (vehicle only). Following LPS exposure, the expressions of inflammasomes, NF-κB, iNOS, proinflammatory cytokines and microglia positive cells in the hippocampus and prefrontal cortex were significantly (p<0.05) elevated. All these were attenuated by pretreating animals with quercetin. CONCLUSION Quercetin exhibit antidepressant-like property, which may be related to inhibition of neuroinflammatory signaling pathways.
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Affiliation(s)
- Olusegun Adebayo Adeoluwa
- Department of Pharmacology and Therapeutics, Faculty of Basic Clinical Sciences, College of Medicine and Health Sciences, Afe Babalola University Ado Ekiti, KM 8.5 Afe Babalola Way, Ekiti State Nigeria.
| | - Olayinka Juliet Nneda
- Department of Pharmacology and Therapeutics, Faculty of Basic Clinical Sciences, College of Medicine and Health Sciences, Afe Babalola University Ado Ekiti, KM 8.5 Afe Babalola Way, Ekiti State Nigeria.
| | - Adeoluwa Gladys Onyinye
- Department of Pharmacology and Therapeutics, Faculty of Basic Clinical Sciences, College of Medicine and Health Sciences, Afe Babalola University Ado Ekiti, KM 8.5 Afe Babalola Way, Ekiti State Nigeria.
| | - Elizabeth Toyin Akinluyi
- Department of Pharmacology and Therapeutics, Faculty of Basic Clinical Sciences, College of Medicine and Health Sciences, Afe Babalola University Ado Ekiti, KM 8.5 Afe Babalola Way, Ekiti State Nigeria.
| | | | - Fafure Adedamola
- Department of Pharmacology and Toxicology, College of Pharmacy, Afe Babalola University Ado Ekiti.
| | - Nebo Kate
- Department of Pharmacology and Toxicology, College of Pharmacy, Afe Babalola University Ado Ekiti.
| | - Edem Ekpenyong Edem
- Department of Pharmacology and Toxicology, College of Pharmacy, Afe Babalola University Ado Ekiti.
| | - Eduviere Anthony Taghogho
- Department of Pharmacology, Faculty of Basic Medical Sciences, College of Medicine and Health Sciences Delta State University Abraka, Delta State, Nigeria.
| | - Abubakar Badamasi
- Department of Pharmacology and Therapeutics, Faculty of Basic Clinical Sciences, College of Medicine and Health Sciences, Afe Babalola University Ado Ekiti, KM 8.5 Afe Babalola Way, Ekiti State Nigeria.
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6
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Jazvinšćak Jembrek M, Oršolić N, Karlović D, Peitl V. Flavonols in Action: Targeting Oxidative Stress and Neuroinflammation in Major Depressive Disorder. Int J Mol Sci 2023; 24:ijms24086888. [PMID: 37108052 PMCID: PMC10138550 DOI: 10.3390/ijms24086888] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 04/04/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
Major depressive disorder is one of the most common mental illnesses that highly impairs quality of life. Pharmacological interventions are mainly focused on altered monoamine neurotransmission, which is considered the primary event underlying the disease's etiology. However, many other neuropathological mechanisms that contribute to the disease's progression and clinical symptoms have been identified. These include oxidative stress, neuroinflammation, hippocampal atrophy, reduced synaptic plasticity and neurogenesis, the depletion of neurotrophic factors, and the dysfunction of the hypothalamic-pituitary-adrenal (HPA) axis. Current therapeutic options are often unsatisfactory and associated with adverse effects. This review highlights the most relevant findings concerning the role of flavonols, a ubiquitous class of flavonoids in the human diet, as potential antidepressant agents. In general, flavonols are considered to be both an effective and safe therapeutic option in the management of depression, which is largely based on their prominent antioxidative and anti-inflammatory effects. Moreover, preclinical studies have provided evidence that they are capable of restoring the neuroendocrine control of the HPA axis, promoting neurogenesis, and alleviating depressive-like behavior. Although these findings are promising, they are still far from being implemented in clinical practice. Hence, further studies are needed to more comprehensively evaluate the potential of flavonols with respect to the improvement of clinical signs of depression.
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Affiliation(s)
- Maja Jazvinšćak Jembrek
- Division of Molecular Medicine, Ruđer Bošković Institute, Bijenička 54, 10000 Zagreb, Croatia
- School of Medicine, Catholic University of Croatia, Ilica 242, 10000 Zagreb, Croatia
| | - Nada Oršolić
- Division of Animal Physiology, Faculty of Science, University of Zagreb, Rooseveltov trg 6, 10000 Zagreb, Croatia
| | - Dalibor Karlović
- School of Medicine, Catholic University of Croatia, Ilica 242, 10000 Zagreb, Croatia
- Department of Psychiatry, Sestre Milosrdnice University Hospital Center, 10000 Zagreb, Croatia
| | - Vjekoslav Peitl
- School of Medicine, Catholic University of Croatia, Ilica 242, 10000 Zagreb, Croatia
- Department of Psychiatry, Sestre Milosrdnice University Hospital Center, 10000 Zagreb, Croatia
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7
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Agrawal K, Chakraborty P, Dewanjee S, Arfin S, Das SS, Dey A, Moustafa M, Mishra PC, Jafari SM, Jha NK, Jha SK, Kumar D. Neuropharmacological interventions of quercetin and its derivatives in neurological and psychological disorders. Neurosci Biobehav Rev 2023; 144:104955. [PMID: 36395983 DOI: 10.1016/j.neubiorev.2022.104955] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 10/20/2022] [Accepted: 11/06/2022] [Indexed: 11/16/2022]
Abstract
Quercetin is a naturally occurring bioactive flavonoid abundant in many plants and fruits. Quercetin and its derivatives have shown an array of pharmacological activities in preclinical tests against various illnesses and ailments. Owing to its protective role against oxidative stress and neuroinflammation, quercetin is a possible therapeutic choice for the treatment of neurological disorders. Quercetin and its derivatives can modulate a variety of signal transductions, including neuroreceptor, neuroinflammatory receptor, and redox signaling events. The research on quercetin and its derivatives in neurology-related illnesses mainly focused on the targets, such as redox stress, neuroinflammation, and signaling pathways; however, the function of quercetin and its derivatives on specific molecular targets, such as nuclear receptors and proinflammatory mediators are yet to be explored. Findings showed that various molecular targets of quercetin and its derivatives have therapeutic potential against psychological and neurodegenerative disorders.
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Affiliation(s)
- Kirti Agrawal
- School of Health sciences & Technology, UPES University, Dehradun, Uttarakhand, India, 248007
| | - Pratik Chakraborty
- Advanced Pharmacognosy Research Laboratory, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700 032, West Bengal, India
| | - Saikat Dewanjee
- Advanced Pharmacognosy Research Laboratory, Department of Pharmaceutical Technology, Jadavpur University, Kolkata 700 032, West Bengal, India
| | - Saniya Arfin
- School of Health sciences & Technology, UPES University, Dehradun, Uttarakhand, India, 248007
| | - Sabya Sachi Das
- School of Pharmaceutical and Population Health Informatics, DIT University, Dehradun 248009, Uttarakhand, India
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, Kolkata 700073, West Bengal, India
| | - Mahmoud Moustafa
- Department of Biology, Faculty of Science, King Khalid University, Abha, Saudi Arabia; Department of Botany and Microbiology, Faculty of Science, South Valley University, Qena, Egypt
| | - Prabhu Chandra Mishra
- Department of Biotechnology, School of Engineering and Technology (SET), Sharda University, Greater Noida, Uttar Pradesh 201310, India
| | - Seid Mahdi Jafari
- Department of Food Materials and Process Design Engineering, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran; Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, Faculty of Science, E-32004 Ourense, Spain
| | - Niraj Kumar Jha
- Department of Biotechnology, School of Engineering and Technology (SET), Sharda University, Greater Noida, Uttar Pradesh 201310, India.
| | - Saurabh Kumar Jha
- Department of Biotechnology, School of Engineering and Technology (SET), Sharda University, Greater Noida, Uttar Pradesh 201310, India; Department of Biotechnology Engineering and Food Technology, Chandigarh University, Mohali 140413, India; Department of Biotechnology, School of Applied & Life Sciences (SALS), Uttaranchal University, Dehradun 248007, India.
| | - Dhruv Kumar
- School of Health sciences & Technology, UPES University, Dehradun, Uttarakhand, India, 248007.
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8
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Hossen SM, Yusuf A, Emon NU, Alam N, Sami SA, Polash SH, Nur MA, Mitra S, Uddin MH, Emran TB. Biochemical and Pharmacological aspects of Ganoderma lucidum: Exponent from the in vivo and computational investigations. Biochem Biophys Rep 2022; 32:101371. [PMID: 36386440 PMCID: PMC9650014 DOI: 10.1016/j.bbrep.2022.101371] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2022] [Revised: 10/17/2022] [Accepted: 10/17/2022] [Indexed: 11/09/2022] Open
Abstract
Ganoderma lucidum is known as lingzhi mushroom, which is said to have medicinal properties by the local residents. This research was focused to assess the antidepressant, anxiolytic, and sedative activities of the mentioned mushroom extracts by means of in vivo and in silico approaches. The antidepressant, anxiolytic, and sedative properties of the methanol extracts of G. lucidum (MEGL) were assessed using the forced swim test hole board, open field test, elevated plus maze, hole cross test, and thiopental sodium-induced sleeping time. The extracts revealed significant antidepressant, anxiolytic, and sedative activities in a dose-dependent manner. Rutin and quercetin were found to be the most effective enzyme inhibitors in the molecular docking study. According to the findings of in vivo and molecular docking study, it could be forecast that, the extract could have substantial antidepressant, anxiolytic, and sedative characteristics and deep molecular strategies on this extracts might create a target for the development of novel therapeutics. Further investigations are needed to appraise the molecular mechanisms implicated and isolate the bioactive components.
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Affiliation(s)
- S.M. Moazzem Hossen
- Department of Pharmacy, Faculty of Biological Science, University of Chittagong, Chattogram, 4331, Bangladesh
| | - A.T.M. Yusuf
- Department of Pharmacy, University of Science & Technology Chittagong, Chattogram, 4202, Bangladesh
| | - Nazim Uddin Emon
- Department of Pharmacy, Faculty of Science and Engineering, International Islamic University Chittagong, Chittagong, 4318, Bangladesh
| | - Najmul Alam
- Department of Pharmacy, Faculty of Science and Engineering, International Islamic University Chittagong, Chittagong, 4318, Bangladesh
| | - Saad Ahmed Sami
- Department of Pharmacy, Faculty of Biological Science, University of Chittagong, Chattogram, 4331, Bangladesh
- Department of Pharmacy, Faculty of Pharmacy, Varendra University, Rajshahi 6204, Bangladesh
| | - Shajjad Hossain Polash
- Department of Pharmacy, University of Science & Technology Chittagong, Chattogram, 4202, Bangladesh
| | | | - Saikat Mitra
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka, 1000, Bangladesh
| | - Mohammad Helal Uddin
- Department of Applied Chemistry & Chemical Engineering, University of Chittagong, Chattogram, 4331, Bangladesh
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong, 4381, Bangladesh
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
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9
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Cao H, Högger P, Prieto M, Simal‐Gandara J, Xiao J. Stability of quercetin in DMEM and cell culture with A549 cells. EFOOD 2022. [DOI: 10.1002/efd2.13] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Affiliation(s)
- Hui Cao
- College of Food Science and Technology Guangdong Ocean University Zhanjiang China
| | - Petra Högger
- Institut für Pharmazie und Lebensmittelchemie Universität Würzburg Würzburg Germany
| | - Miguel‐Angel Prieto
- Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology University of Vigo‐Ourense Campus Ourense Spain
| | - Jesus Simal‐Gandara
- Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology University of Vigo‐Ourense Campus Ourense Spain
| | - Jianbo Xiao
- Department of Analytical Chemistry and Food Science, Faculty of Food Science and Technology University of Vigo‐Ourense Campus Ourense Spain
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10
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Chen S, Tang Y, Gao Y, Nie K, Wang H, Su H, Wang Z, Lu F, Huang W, Dong H. Antidepressant Potential of Quercetin and its Glycoside Derivatives: A Comprehensive Review and Update. Front Pharmacol 2022; 13:865376. [PMID: 35462940 PMCID: PMC9024056 DOI: 10.3389/fphar.2022.865376] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 03/23/2022] [Indexed: 12/27/2022] Open
Abstract
Depression is a global health problem with growing prevalence rates and serious impacts on the daily life of patients. However, the side effects of currently used antidepressants greatly reduce the compliance of patients. Quercetin is a flavonol present in fruits, vegetables, and Traditional Chinese medicine (TCM) that has been proved to have various pharmacological effects such as anti-depressant, anti-cancer, antibacterial, antioxidant, anti-inflammatory, and neuroprotective. This review summarizes the evidence for the pharmacological application of quercetin to treat depression. We clarified the mechanisms of quercetin regulating the levels of neurotransmitters, promoting the regeneration of hippocampal neurons, improving hypothalamic-pituitary-adrenal (HPA) axis dysfunction, and reducing inflammatory states and anti-oxidative stress. We also summarized the antidepressant effects of some quercetin glycoside derivatives to provide a reference for further research and clinical application.
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Affiliation(s)
- Shen Chen
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Grade 2017 of Integrated Traditional Chinese and Western Clinical Medicine, Second Clinical School, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yueheng Tang
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Yang Gao
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Kexin Nie
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongzhan Wang
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hao Su
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhi Wang
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fuer Lu
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Wenya Huang
- Department of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hui Dong
- Institute of Integrated Traditional Chinese and Western Medicine, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- *Correspondence: Hui Dong,
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11
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Dietary Intake of Flavonoids and Carotenoids Is Associated with Anti-Depressive Symptoms: Epidemiological Study and In Silico-Mechanism Analysis. Antioxidants (Basel) 2021; 11:antiox11010053. [PMID: 35052561 PMCID: PMC8773076 DOI: 10.3390/antiox11010053] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Revised: 12/18/2021] [Accepted: 12/22/2021] [Indexed: 02/06/2023] Open
Abstract
Flavonoids and carotenoids are bioactive compounds that have protective effects against depressive symptoms. Flavonoids and carotenoids are the two main types of antioxidant phytochemicals. This study investigated the association between flavonoid and carotenoid intake and depressive symptoms in middle-aged Korean females. We analyzed the mechanism of these associations using an in silico method. Depressive symptoms were screened using the Beck Depression Inventory-II (BDI-II), and flavonoid and carotenoid intake were assessed using a semi-quantitative food frequency questionnaire. Using a multivariate logistic regression model, we found that flavones, anthocyanins, individual phenolic compounds, lycopene, and zeaxanthin were negatively associated with depressive symptoms. In silico analysis showed that most flavonoids have high docking scores for monoamine oxidase A (MAOA) and monoamine oxidase B (MAOB), which are two important drug targets in depression. The results of the docking of brain-derived neurotrophic factor (BDNF) and carotenoids suggested the possibility of allosteric activation of BDNF by carotenoids. These results suggest that dietary flavonoids and carotenoids can be utilized in the treatment of depressive symptoms.
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12
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Achour M, Ferdousi F, Sasaki K, Isoda H. Luteolin Modulates Neural Stem Cells Fate Determination: In vitro Study on Human Neural Stem Cells, and in vivo Study on LPS-Induced Depression Mice Model. Front Cell Dev Biol 2021; 9:753279. [PMID: 34790666 PMCID: PMC8591246 DOI: 10.3389/fcell.2021.753279] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Accepted: 10/11/2021] [Indexed: 11/23/2022] Open
Abstract
Luteolin is a natural flavone with neurotrophic effects observed on different neuronal cell lines. In the present study, we aimed to assess the effect of luteolin on hNSCs fate determination and the LPS-induced neuroinflammation in a mouse model of depression with astrocytogenesis defect. hNSCs were cultured in basal cell culture medium (control) or medium supplemented with luteolin or AICAR, a known inducer of astrogenesis. A whole-genome transcriptomic analysis showed that luteolin upregulated the expressions of genes related to neurotrophin, dopaminergic, hippo, and Wnt signaling pathways, and downregulated the genes involved in p53, TNF, FOXO, and Notch signaling pathways. We also found that astrocyte-specific gene GFAP, as well as other genes of the key signaling pathways involved in astrogenesis such as Wnt, BMP, and JAK-STAT pathways were upregulated in luteolin-treated hNSCs. On the other hand, neurogenesis and oligodendrogenesis-related genes, TUBB3, NEUROD 1 and 6, and MBP, were downregulated in luteolin-treated hNSCs. Furthermore, immunostaining showed that percentages of GFAP+ cells were significantly higher in luteolin- and AICAR-treated hNSCs compared to control hNSCs. Additionally, RT-qPCR results showed that luteolin upregulated the expressions of GFAP, BMP2, and STAT3, whereas the expression of TUBB3 remained unchanged. Next, we evaluated the effects of luteolin in LPS-induced mice model of depression that represents defects in astrocytogenesis. We found that oral administration of luteolin (10 mg/Kg) for eight consecutive days could decrease the immobility time on tail suspension test, a mouse behavioral test measuring depression-like behavior, and attenuate LPS-induced inflammatory responses by significantly decreasing IL-6 production in mice brain-derived astrocytes and serum, and TNFα and corticosterone levels in serum. Luteolin treatment also significantly increased mature BDNF, dopamine, and noradrenaline levels in the hypothalamus of LPS-induced depression mice. Though the behavioral effects of luteolin did not reach statistical significance, global gene expression analyses of mice hippocampus and brain-derived NSCs highlighted the modulatory effects of luteolin on different signaling pathways involved in the pathophysiology of depression. Altogether, our findings suggest an astrocytogenic potential of luteolin and its possible therapeutic benefits in neuroinflammatory and neurodegenerative diseases. However, further studies are required to identify the specific mechanism of action of luteolin.
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Affiliation(s)
- Mariem Achour
- Laboratory of Metabolic Biophysics and Applied Pharmacology, Faculty of Medicine of Sousse, University of Sousse, Sousse, Tunisia.,Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba, Japan
| | - Farhana Ferdousi
- Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba, Japan.,Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Japan.,National Institute of Advanced Industrial Science and Technology (AIST)-University of Tsukuba Open Innovation Laboratory for Food and Medicinal Resource Engineering (FoodMed-OIL), University of Tsukuba, Tsukuba, Japan
| | - Kazunori Sasaki
- Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba, Japan.,National Institute of Advanced Industrial Science and Technology (AIST)-University of Tsukuba Open Innovation Laboratory for Food and Medicinal Resource Engineering (FoodMed-OIL), University of Tsukuba, Tsukuba, Japan
| | - Hiroko Isoda
- Alliance for Research on the Mediterranean and North Africa (ARENA), University of Tsukuba, Tsukuba, Japan.,Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Japan.,National Institute of Advanced Industrial Science and Technology (AIST)-University of Tsukuba Open Innovation Laboratory for Food and Medicinal Resource Engineering (FoodMed-OIL), University of Tsukuba, Tsukuba, Japan
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13
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Vissenaekens H, Smagghe G, Criel H, Grootaert C, Raes K, Rajkovic A, Goeminne G, Boon N, De Schutter K, Van Camp J. Intracellular quercetin accumulation and its impact on mitochondrial dysfunction in intestinal Caco-2 cells. Food Res Int 2021. [DOI: 10.1016/j.foodres.2021.110430
expr 886078340 + 945834560] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
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14
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Intracellular quercetin accumulation and its impact on mitochondrial dysfunction in intestinal Caco-2 cells. Food Res Int 2021; 145:110430. [PMID: 34112387 DOI: 10.1016/j.foodres.2021.110430] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2021] [Revised: 04/26/2021] [Accepted: 05/11/2021] [Indexed: 11/20/2022]
Abstract
PURPOSE Flavonoid bioavailability and bioactivity is associated with interindividual variability, which is partially due to differences in health status. Previously, it was demonstrated that cellular stress, especially mitochondrial stress, increases intracellular quercetin uptake and this is associated with beneficial health effects. Here, the impact of quercetin on mitochondrial dysfunction, induced by stressors targeting different sites of the electron transport chain, is investigated. The influence of the mitochondrial stress on quercetin uptake and subcellular location is studied and the accumulated quercetin metabolites in intestinal Caco-2 cells and mitochondria are characterized. PRINCIPAL RESULTS It was observed that quercetin counteracted (i) the carbonyl cyanide 4-(trifluoromethoxy)phenylhydrazone (FCCP)-induced decrease in maximum oxygen consumption, (ii) the valinomycin-, oligomycin- and FCCP-induced reactive oxygen species production and (iii) the valinomycin-induced disruption of mitochondrial membrane potential. Using confocal microscopy, it was found that upon mitochondrial stress, the intracellular quercetin accumulation increased and was partially located in the mitochondria. Finally, it was demonstrated that quercetin was present as O-methyl, O-methylglucuronide and O-methylsulfate conjugates in the cell lysate and mitochondria-enriched fraction. MAJOR CONCLUSIONS This study shows that quercetin can partially restore, especially FCCP-induced, mitochondrial dysfunction and this protective effect was linked with an intracellular quercetin accumulation in the mitochondria of intestinal cells.
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15
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Küpeli Akkol E, Tatlı Çankaya I, Şeker Karatoprak G, Carpar E, Sobarzo-Sánchez E, Capasso R. Natural Compounds as Medical Strategies in the Prevention and Treatment of Psychiatric Disorders Seen in Neurological Diseases. Front Pharmacol 2021; 12:669638. [PMID: 34054540 PMCID: PMC8155682 DOI: 10.3389/fphar.2021.669638] [Citation(s) in RCA: 40] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2021] [Accepted: 04/16/2021] [Indexed: 12/14/2022] Open
Abstract
Psychiatric disorders are frequently encountered in many neurological disorders, such as Alzheimer’s and Parkinson diseases along with epilepsy, migraine, essential tremors, and stroke. The most common comorbid diagnoses in neurological diseases are depression and anxiety disorders along with cognitive impairment. Whether the underlying reason is due to common neurochemical mechanisms or loss of previous functioning level, comorbidities are often overlooked. Various treatment options are available, such as pharmacological treatments, cognitive-behavioral therapy, somatic interventions, or electroconvulsive therapy. However oral antidepressant therapy may have some disadvantages, such as interaction with other medications, low tolerability due to side effects, and low efficiency. Natural compounds of plant origin are extensively researched to find a better and safer alternative treatment. Experimental studies have shown that phytochemicals such as alkaloids, terpenes, flavonoids, phenolic acids as well as lipids have significant potential in in vitro and in vivo models of psychiatric disorders. In this review, various efficacy of natural products in in vitro and in vivo studies on neuroprotective and their roles in psychiatric disorders are examined and their neuro-therapeutic potentials are shed light.
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Affiliation(s)
- Esra Küpeli Akkol
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Irem Tatlı Çankaya
- Department of Pharmaceutical Botany, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
| | | | - Elif Carpar
- Department of Psychiatry, Private French La Paix Hospital, Istanbul, Turkey
| | - Eduardo Sobarzo-Sánchez
- Instituto de Investigación y Postgrado, Facultad de Ciencias de la Salud, Universidad Central de Chile, Santiago, Chile.,Department of Organic Chemistry, Faculty of Pharmacy, University of Santiago de Compostela, Santiago de Compostela, Spain
| | - Raffaele Capasso
- Department of Agricultural Sciences, University of Naples Federico II, Potici, Italy
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16
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Ali F, Siddique YH. Bioavailability and Pharmaco-therapeutic Potential of Luteolin in Overcoming Alzheimer's Disease. CNS & NEUROLOGICAL DISORDERS-DRUG TARGETS 2020; 18:352-365. [PMID: 30892166 DOI: 10.2174/1871527318666190319141835] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 11/30/2018] [Accepted: 03/08/2019] [Indexed: 12/22/2022]
Abstract
Luteolin is a naturally occurring, yellow crystalline flavonoid found in numerous dietary supplements we frequently have in our meals. Studies in the last 2 decades have revealed its therapeutic potential to reduce the Alzheimer's disease (AD) symptoms in various in vitro and in vivo models. The anti-Alzheimer's potential of luteolin is attributed to its ability to suppress Aβ as well as tau aggregation or promote their disaggregation, down-regulate the expression of COX-2, NOS, MMP-9, TNF-α, interleukins and chemokines, reduce oxidative stress by scavenging ROS, modulate the activities of transcription factors CREB, cJun, Nrf-1, NF-κB, p38, p53, AP-1 and β-catenine and inhibiting the activities of various protein kinases. In several systems, luteolin has been described as a potent antioxidant and anti-inflammatory agent. In addition, we have also discussed about the bio-availability of the luteolin in the plasma. After being metabolized luteolin persists in plasma as glucuronides and sulphate-conjugates. Human clinical trials indicated no dose limiting toxicity when administered at a dose of 100 mg/day. Improvements in the formulations and drug delivery systems may further enhance the bioavailability and potency of luteolin. The current review describes in detail the data supporting these studies.
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Affiliation(s)
- Fahad Ali
- Department of Zoology, Aligarh Muslim University, Aligarh-202002, India
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17
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Lin Y, Yang N, Bao B, Wang L, Chen J, Liu J. Luteolin reduces fat storage inCaenorhabditis elegansby promoting the central serotonin pathway. Food Funct 2020; 11:730-740. [DOI: 10.1039/c9fo02095k] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Abstract
Luteolin promotes central serotonin signaling to induce fat loss.
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Affiliation(s)
- Yan Lin
- School of Food and Biological Engineering
- Hefei University of Technology
- Hefei
- China
| | - Nan Yang
- School of Food and Biological Engineering
- Hefei University of Technology
- Hefei
- China
| | - Bin Bao
- School of Food and Biological Engineering
- Hefei University of Technology
- Hefei
- China
| | - Lu Wang
- School of Food and Biological Engineering
- Hefei University of Technology
- Hefei
- China
| | - Juan Chen
- School of Food and Biological Engineering
- Hefei University of Technology
- Hefei
- China
| | - Jian Liu
- School of Food and Biological Engineering
- Hefei University of Technology
- Hefei
- China
- Engineering Research Center of Bio-process
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18
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Chen Q, Ma H, Guo X, Liu J, Gui T, Gai Z. Farnesoid X Receptor (FXR) Aggravates Amyloid-β-Triggered Apoptosis by Modulating the cAMP-Response Element-Binding Protein (CREB)/Brain-Derived Neurotrophic Factor (BDNF) Pathway In Vitro. Med Sci Monit 2019; 25:9335-9345. [PMID: 31812977 PMCID: PMC6918812 DOI: 10.12659/msm.920065] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
Abstract
Background Alzheimer’s disease (AD), which results in cognitive deficits, usually occurs in older people and is mainly caused by amyloid beta (Aβ) deposits and neurofibrillary tangles. The bile acid receptor, farnesoid X receptor (FXR), has been extensively studied in cardiovascular diseases and digestive diseases. However, the role of FXR in AD is not yet understood. The purpose of the present study was to investigate the mechanism of FXR function in AD. Material/Methods Lentivirus infection, flow cytometry, real-time PCR, and western blotting were used to detect the gain or loss of FXR in cell apoptosis induced by Aβ. Co-immunoprecipitation was used to analyze the molecular partners involved in Aβ-induced apoptosis. Results We found that the mRNA and protein expression of FXR was enhanced in Aβ-triggered neuronal apoptosis in differentiated SH-SY5Y cells and in mouse hippocampal neurons. Overexpression of FXR aggravated Aβ-triggered neuronal apoptosis in differentiated SH-SY5Y cells, and this effect was further increased by treatment with the FXR agonist 6ECDCA. Molecular mechanism analysis by co-immunoprecipitation and immunoblotting revealed that FXR interacted with the cAMP-response element-binding protein (CREB), leading to decreased CREB and brain-derived neurotrophic factor (BDNF) protein levels. Low expression of FXR mostly reversed the Aβ-triggered neuronal apoptosis effect and prevented the reduction in CREB and BDNF. Conclusions These data suggest that FXR regulates Aβ-induced neuronal apoptosis, which may be dependent on the CREB/BDNF signaling pathway in vitro.
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Affiliation(s)
- Qingfa Chen
- Institute for Tissue Engineering and Regenerative Medicine, Liaocheng University/Liaocheng People's Hospital, Liaocheng, Shandong, China (mainland)
| | - Hongling Ma
- Department of Neurology, Liaocheng People's Hospital, Liaocheng, Shandong, China (mainland)
| | - Xuewen Guo
- Department of Neurology, Dongchangfu People's Hospital/Second People's Hospital of Liaocheng University, Liaocheng, Shandong, China (mainland)
| | - Jia Liu
- Department of Neurology, Liaocheng People's Hospital, Liaocheng, Shandong, China (mainland)
| | - Ting Gui
- Key Laboratory of Traditional Chinese Medicine for Classical Theory, Ministry of Education, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China (mainland)
| | - Zhibo Gai
- Joint Pharmacology Center, Liaocheng People's Hospital, Liaocheng, Shandong, China (mainland).,Department of Clinical Pharmacology and Toxicology, University Hospital Zurich, University of Zurich, Zurich, Switzerland
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19
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Potential Therapeutic Targets of Quercetin and Its Derivatives: Its Role in the Therapy of Cognitive Impairment. J Clin Med 2019; 8:jcm8111789. [PMID: 31717708 PMCID: PMC6912580 DOI: 10.3390/jcm8111789] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Revised: 10/18/2019] [Accepted: 10/21/2019] [Indexed: 12/21/2022] Open
Abstract
Quercetin (QC) is a flavonoid and crucial bioactive compound found in a variety of vegetables and fruits. In preclinical studies, QC has demonstrated broad activity against several diseases and disorders. According to recent investigations, QC is a potential therapeutic candidate for the treatment of nervous system illnesses because of its protective role against oxidative damage and neuroinflammation. QC acts on several molecular signals, including ion channels, neuroreceptors, and inflammatory receptor signaling, and it also regulates neurotrophic and anti-oxidative signaling molecules. While the study of QC in neurological disorders has focused on numerous target molecules, the role of QC on certain molecular targets such as G-protein coupled and nuclear receptors remains to be investigated. Our analysis presents several molecular targets of QC and its derivatives that demonstrate the pharmacological potential against cognitive impairment. Consequently, this article may guide future studies using QC and its analogs on specific signaling molecules. Finding new molecular targets of QC and its analogs may ultimately assist in the treatment of cognitive impairment.
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20
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Klimaszewska-Wiśniewska A, Grzanka D, Czajkowska P, Hałas-Wiśniewska M, Durślewicz J, Antosik P, Grzanka A, Gagat M. Cellular and molecular alterations induced by low‑dose fisetin in human chronic myeloid leukemia cells. Int J Oncol 2019; 55:1261-1274. [PMID: 31638196 PMCID: PMC6831210 DOI: 10.3892/ijo.2019.4889] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 09/11/2019] [Indexed: 12/23/2022] Open
Abstract
The present study aimed to evaluate the cellular and molecular effects of low concentrations of the flavonoid, fisetin, on K562 human chronic myeloid leukemia cells, in the context of both potential anti-proliferative and anti-metastatic effects. Thiazolyl blue tetrazolium bromide assay, Trypan blue exclusion assay, Annexin V/propidium iodide test, cell cycle analysis, Transwell migration and invasion assays, the fluorescence staining of β-catenin and F-actin as well as reverse transcription-quantitative polymerase chain reaction were performed to achieve the research goal. Furthermore, the nature of the interaction between fisetin and arsenic trioxide in the K562 cells was analyzed according to the Chou-Talalay median-effect method. We found that low concentrations of fisetin had not only a negligible effect on the viability and apoptosis of the K562 cells, but also modulated the mRNA levels of selected metastatic-related markers, accompanied by an increase in the migratory and invasive properties of these cancer cells. Although some markers of cell death were significantly elevated in response to fisetin treatment, these were counterbalanced through anti-apoptotic and pro-survival signals. With decreasing concentrations of fisetin and arsenic trioxide, the antagonistic interactions between the 2 agents increased. On the whole, the findings of this study suggest that careful consideration should be taken when advising cancer patients to take fisetin as a dietary supplement and when considering fisetin as a potential candidate for the treatment of chronic myeloid leukemia. Further more detailed studies are required to confirm our findings.
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Affiliation(s)
- Anna Klimaszewska-Wiśniewska
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85‑092 Bydgoszcz, Poland
| | - Dariusz Grzanka
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85‑092 Bydgoszcz, Poland
| | - Paulina Czajkowska
- Department of Histology and Embryology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85‑092 Bydgoszcz, Poland
| | - Marta Hałas-Wiśniewska
- Department of Histology and Embryology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85‑092 Bydgoszcz, Poland
| | - Justyna Durślewicz
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85‑092 Bydgoszcz, Poland
| | - Paulina Antosik
- Department of Clinical Pathomorphology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85‑092 Bydgoszcz, Poland
| | - Alina Grzanka
- Department of Histology and Embryology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85‑092 Bydgoszcz, Poland
| | - Maciej Gagat
- Department of Histology and Embryology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University in Toruń, 85‑092 Bydgoszcz, Poland
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21
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Olivés J, Mestres J. Closing the Gap Between Therapeutic Use and Mode of Action in Remedial Herbs. Front Pharmacol 2019; 10:1132. [PMID: 31632273 PMCID: PMC6785637 DOI: 10.3389/fphar.2019.01132] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Accepted: 08/30/2019] [Indexed: 12/17/2022] Open
Abstract
The ancient tradition of taking parts of a plant or preparing plant extracts for treating certain discomforts and maladies has long been lacking a scientific rationale to support its preparation and still widespread use in several parts of the world. In an attempt to address this challenge, we collected and integrated data connecting metabolites, plants, diseases, and proteins. A mechanistic hypothesis is generated when a metabolite is known to be present in a given plant, that plant is known to be used to treat a certain disease, that disease is known to be linked to the function of a given protein, and that protein is finally known or predicted to interact with the original metabolite. The construction of plant–protein networks from mutually connected metabolites and diseases facilitated the identification of plausible mechanisms of action for plants being used to treat analgesia, hypercholesterolemia, diarrhea, catarrh, and cough. Additional concrete examples using both experimentally known and computationally predicted, and subsequently experimentally confirmed, metabolite–protein interactions to close the connection circle between metabolites, plants, diseases, and proteins offered further proof of concept for the validity and scope of the approach to generate mode of action hypotheses for some of the therapeutic uses of remedial herbs.
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Affiliation(s)
- Joaquim Olivés
- Research Group on Systems Pharmacology, Research Programme on Biomedical Informatics (GRIB), IMIM Hospital del Mar Medical Research Institute, Barcelona, Spain
| | - Jordi Mestres
- Research Group on Systems Pharmacology, Research Programme on Biomedical Informatics (GRIB), IMIM Hospital del Mar Medical Research Institute, Barcelona, Spain.,Department of Experimental and Health Sciences, University Pompeu Fabra, Barcelona, Spain
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22
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Ogunruku OO, Ogunyemi BO, Oboh G, Babatunde OO, Boligon AA. Modulation of dopamine metabolizing enzymes and antioxidant status by Capsicum annuum Lin in rotenone-intoxicated rat brain. Toxicol Rep 2019; 6:795-802. [PMID: 31440456 PMCID: PMC6700337 DOI: 10.1016/j.toxrep.2019.07.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2019] [Revised: 07/30/2019] [Accepted: 07/31/2019] [Indexed: 12/21/2022] Open
Abstract
Rotenone is a natural pesticide and environmental neurotoxin which mimics key aspects of Parkinson's disease. This study evaluated the effect of ethyl acetate extract of Capsicum annuum L. (C. annuum) in rotenone-intoxicated rats. Oral doses of C. annuum extract (50, 100 & 200 mg kg-1) and rotenone (2 mg kg-1 i.p.) were co-administered for 25 days during which rearing behavior was monitored. Biochemical alterations in the levels of tyrosine hydroxylase (TH), monoamine oxidase (MAO), superoxide dismutase (SOD) as well as reduced and oxidized glutathione (GSH) were estimated. Decrease in rearing behavior resulting from rotenone exposure was ameliorated by 200 mg kg-1 of C. annuum. Furthermore, rotenone exposure significantly (P < 0.05) decreased TH and increased MAO levels respectively. Impaired brain antioxidant capacity, typified by significantly (P < 0.05) decreased GSH redox status and SOD levels were also observed in rotenone-treated rats. However, co-administration of C. annuum ameliorated rotenone-induced derangements and potentiated the effect of levodopa. These results taken together suggests that C. annuum protects against rotenone-induced neurotoxicity by modulating dopamine metabolism and GSH redox status in rat brain.
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Affiliation(s)
| | | | - Ganiyu Oboh
- Functional Food and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology, Akure, Ondo State, Nigeria
| | | | - Aline Augusti Boligon
- Program of Post-Graduation in Pharmaceutical Sciences, Federal University of Santa Maria, Campus Camobi, Santa Maria, RS, 97105-900, Brazil
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Dhiman P, Malik N, Khatkar A. In Silico Design, Synthesis of Hybrid Combinations: Quercetin Based MAO Inhibitors with Antioxidant Potential. Curr Top Med Chem 2019; 19:156-170. [DOI: 10.2174/1568026619666190212122403] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 11/28/2018] [Accepted: 01/23/2019] [Indexed: 11/22/2022]
Abstract
<P>Background: Monoamine oxidase (MAO) is a critical target used for the cure of neuropsychological
diseases.
</P><P>
Objective: A series of quercetin based derivatives was designed, synthesized, and evaluated as novel
multifunctional agents against monoamine oxidase A and B with antioxidant potential.
Methods:
Hybrid derivatives based on quercetin were synthesized and screened for hMAO inhibition
along with antioxidant activity. Molecular docking was performed to explicate the rationale of the different
MAO (IC50) values and to explain the presence of inhibitory activity against specificity, respectively.
Results:
The results of in vitro hMAO inhibition showed that compound 8a, 6c, and 4 were found as
potent hMAO-A inhibitors whereas compounds 6b, 6a, and 6d were observed as potent hMAO-B inhibitors.
The DPPH radical scavenging activity showed that compounds 6b, 6a, and 4 exhibited a promising
antioxidant potential with IC50 values 5.931±0.007, 6.421±0.037, and 8.516±0.098 respectively.
Moreover, the compound 6b, 6a, and 4 exhibited remarkable H2O2 scavenging potential with IC50 values
05.80±0.004 µM, 06.20±0.009 µM, and 07.66±0.009 µM respectively.
Conclusion:
The results of docking studies were found in good correlation with experimental MAO inhibition
studies. Moreover, the mechanistic insight into the docking poses was also explored by binding
interactions of quercetin based derivatives inside the dynamic site of hMAO-A and hMAO-B. It was
also noticed that the potent MAO inhibitors were also acting as better antioxidants as evaluated through
DPPH radical scavenging activity and H2O2 radical scavenging assay.
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Affiliation(s)
- Priyanka Dhiman
- Laboratory for Preservation Technology and Enzyme Inhibition Studies, Faculty of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana 124001, India
| | - Neelam Malik
- Laboratory for Preservation Technology and Enzyme Inhibition Studies, Faculty of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana 124001, India
| | - Anurag Khatkar
- Laboratory for Preservation Technology and Enzyme Inhibition Studies, Faculty of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, Haryana 124001, India
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Sadati SM, Gheibi N, Ranjbar S, Hashemzadeh MS. Docking study of flavonoid derivatives as potent inhibitors of influenza H1N1 virus neuraminidase. Biomed Rep 2019; 10:33-38. [PMID: 30588301 PMCID: PMC6299203 DOI: 10.3892/br.2018.1173] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Accepted: 10/10/2018] [Indexed: 11/06/2022] Open
Abstract
Influenza type A is considered as a severe public health concern. The mechanism of drugs applied for the control of this virus depends on two surface glycoproteins with antigenic properties, namely hemagglutinin (HA) and neuraminidase (NA). HA aids the virus to penetrate cells in the early stage of infection and NA is an enzyme with the ability to break glycoside bonds, which enables virion spread through the host cell membrane. Since NA contains a relatively preserved active site, it has been an important target in drug design. Oseltamivir is a common drug used for the treatment of influenza infections, for which cases of resistance have recently been reported, giving rise to health concerns. Flavonoids are natural polyphenolic compounds with potential blocking effects in the neuraminidase active site. Based on their antiviral effect, the flavonoids quercetin, catechin, naringenin, luteolin, hispidulin, vitexin, chrysin and kaempferol were selected in the present study and compared alongside oseltamivir on molecular docking, binding energy and active site structure, in order to provide insight on the potential of these compounds as targeted drugs for the control and treatment of influenza type A. The molecular characterization of flavonoids with binding affinity was performed using AutoDock Vina software. The results indicated that these compounds may effectively block the NA active site. Therefore, these natural compounds derived from fruits have the potential for development into drugs for controlling influenza, which may aid overcome the clinical challenge of the H1N1 strain epidemic.
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Affiliation(s)
- Seyed Mahdi Sadati
- Applied Virology Research Center, Baqiyatallah University of Medical Sciences, Tehran 14359-16471, Iran
| | - Nematollah Gheibi
- Cellular and Molecular Research Center, Qazvin University of Medical Sciences, Qazvin 34156-13911, Iran
| | - Saeed Ranjbar
- Department of Medical Biotechnology, Faculty of Medical Sciences, Tarbiat Modares University, Tehran 14115-111, Iran
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Omar SH, Scott CJ, Hamlin AS, Obied HK. Olive Biophenols Reduces Alzheimer's Pathology in SH-SY5Y Cells and APPswe Mice. Int J Mol Sci 2018; 20:ijms20010125. [PMID: 30598025 PMCID: PMC6337485 DOI: 10.3390/ijms20010125] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 12/20/2018] [Accepted: 12/25/2018] [Indexed: 11/16/2022] Open
Abstract
Alzheimer's disease (AD) is a major neurodegenerative disease, associated with the hallmark proteinacious constituent called amyloid beta (Aβ) of senile plaques. Moreover, it is already established that metals (particularly copper, zinc and iron) have a key role in the pathogenesis of AD. In order to reduce the Aβ plaque burden and overcome the side effects from the synthetic inhibitors, the current study was designed to focus on direct inhibition of with or without metal-induced Aβ fibril formation and aggregation by using olive biophenols. Exposure of neuroblastoma (SH-SY5Y) cells with Aβ42 resulted in decrease of cell viability and morphological changes might be due to severe increase in the reactive oxygen species (ROS). The pre-treated SH-SY5Y cells with olive biophenols were able to attenuate cell death caused by Aβ42, copper- Aβ42, and [laevodihydroxyphenylalanine (l-DOPA)] l-DOPA-Aβ42-induced toxicity after 24 h of treatment. Oleuropein, verbascoside and rutin were the major anti-amyloidogenic compounds. Transgenic mice (APPswe/PS1dE9) received 50 mg/kg of oleuropein containing olive leaf extracts (OLE) or control diet from 7 to 23 weeks of age. Treatment mice (OLE) were showed significantly reduced amyloid plaque deposition (p < 0.001) in cortex and hippocampus as compared to control mice. Our findings provide a basis for considering natural and low cost biophenols from olive as a promising candidate drug against AD. Further studies warrant to validate and determine the anti-amyloid mechanism, bioavailability as well as permeability of olive biophenols against blood brain barrier in AD.
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Affiliation(s)
- Syed Haris Omar
- School of Biomedical Sciences, Faculty of Sciences and Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2678, Australia.
| | - Christopher J Scott
- School of Biomedical Sciences, Faculty of Sciences and Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2678, Australia.
| | - Adam S Hamlin
- School of Science & Technology, University of New England, Armidale, NSW 2351, Australia.
| | - Hassan K Obied
- School of Biomedical Sciences, Faculty of Sciences and Graham Centre for Agricultural Innovation, Charles Sturt University, Wagga Wagga, NSW 2678, Australia.
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Van den Eynde MDG, Geleijnse JM, Scheijen JLJM, Hanssen NMJ, Dower JI, Afman LA, Stehouwer CDA, Hollman PCH, Schalkwijk CG. Quercetin, but Not Epicatechin, Decreases Plasma Concentrations of Methylglyoxal in Adults in a Randomized, Double-Blind, Placebo-Controlled, Crossover Trial with Pure Flavonoids. J Nutr 2018; 148:1911-1916. [PMID: 30398646 DOI: 10.1093/jn/nxy236] [Citation(s) in RCA: 41] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Accepted: 08/23/2018] [Indexed: 12/13/2022] Open
Abstract
Background Methylglyoxal (MGO) is the most potent precursor of advanced glycation end products (AGEs). MGO and AGEs have been associated with diabetes, its complications, and other age-related diseases. Experimental studies have shown that the flavonoids quercetin and epicatechin are able to scavenge MGO and lower AGE formation. Objective Data on the effects of these flavonoids on MGO and AGE concentrations in humans are not yet available. We therefore investigated the effect of quercetin and epicatechin on the concentrations of MGO and AGEs in a post hoc analysis. Methods Thirty-seven apparently healthy, nonsmoking adults with a systolic blood pressure between 125 and 160 mm Hg at screening were included in a randomized, double-blind, placebo-controlled crossover trial. Participants ingested (-)-epicatechin (100 mg/d), quercetin 3-glucoside (160 mg/d), or placebo capsules for periods of 4 wk separated by 4-wk washout periods. Fasting blood samples were collected at the start and end of each intervention period. Liquid chromatography-tandem mass spectrometry was used to determine plasma concentrations of the dicarbonyl compounds MGO, glyoxal (GO), and 3-deoxyglucosone (3-DG) and free and protein-bound AGEs. Gene expression of glyoxalase 1 (GLO1), the enzyme involved in the degradation of MGO, was determined by either microarray or quantitative reverse transcriptase-polymerase chain reaction. Results The treatment effect (Δtreatment - Δplacebo) of quercetin on MGO was -40.2 nmol/L (95% CI: -73.6, -6.8 nmol/L; P = 0.019), a decrease of 11% from baseline values, whereas GO, 3-DG, and free and protein-bound AGEs did not change significantly. Epicatechin did not affect the concentrations of dicarbonyls and free and protein-bound AGEs. We did not find a significant change in expression of GLO1. Conclusions In apparently healthy (pre)hypertensive men and women, quercetin but not epicatechin decreased plasma MGO concentrations. Quercetin may potentially form a new treatment strategy for diseases in which MGO plays a pivotal role. This study was registered at clinicaltrials.gov as NCT01691404.
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Affiliation(s)
- Mathias D G Van den Eynde
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands.,CARIM School for Cardiovascular Diseases, Maastricht, Netherlands
| | | | - Jean L J M Scheijen
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands.,CARIM School for Cardiovascular Diseases, Maastricht, Netherlands
| | - Nordin M J Hanssen
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands.,CARIM School for Cardiovascular Diseases, Maastricht, Netherlands
| | - James I Dower
- Division of Human Nutrition, Wageningen University, Wageningen, Netherlands
| | - Lydia A Afman
- Division of Human Nutrition, Wageningen University, Wageningen, Netherlands
| | - Coen D A Stehouwer
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands.,CARIM School for Cardiovascular Diseases, Maastricht, Netherlands
| | - Peter C H Hollman
- Division of Human Nutrition, Wageningen University, Wageningen, Netherlands
| | - Casper G Schalkwijk
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands.,CARIM School for Cardiovascular Diseases, Maastricht, Netherlands
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Shakya B, Shakya S, Hasan Siddique Y. Effect of geraniol against arecoline induced toxicity in the third instar larvae of transgenic Drosophila melanogaster (hsp70-lacZ) Bg 9. Toxicol Mech Methods 2018; 29:187-202. [PMID: 30318983 DOI: 10.1080/15376516.2018.1534299] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
In the present study geraniol at the final concentration of 10, 20, 30, and 40 µM was mixed in the diet along with 80 µM of arecoline and the third instar larvae of transgenic Drosophila melanogaster (hsp70-lacZ) Bg9 were allowed to feed on it for 24 hrs. After the exposure of 24 hrs the larvae were subjected to ONPG, X-gal, trypan blue exclusion test, oxidative stress markers and apoptotic and comet assays. The exposure of larvae to geraniol showed a dose dependent decrease in the activity of β-galactosidase, tissue damage and oxidative stress markers. A dose dependent decrease in apoptosis and DNA damage was also observed. Molecular docking studies also support the protective role of geraniol against the arecoline induced toxicity. The results suggest that geraniol is potent in reducing the toxicity induced by arecoline in the third instar larvae of transgenic Drosophila melanogaster (hsp70-lacZ) Bg9.
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Affiliation(s)
- Barkha Shakya
- a Department of Zoology , Aligarh Muslim University , Aligarh , India
| | - Sonam Shakya
- b Department of Chemistry , Aligarh Muslim University , Aligarh , India
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Liu J, Zhao M, Song W, Ma L, Li X, Zhang F, Diao L, Pi Y, Jiang K. An amine oxidase gene from mud crab, Scylla paramamosain, regulates the neurotransmitters serotonin and dopamine in vitro. PLoS One 2018; 13:e0204325. [PMID: 30248122 PMCID: PMC6152983 DOI: 10.1371/journal.pone.0204325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Accepted: 09/06/2018] [Indexed: 11/20/2022] Open
Abstract
Amine oxidase, which participates in the metabolic processing of biogenic amines, is widely found in organisms, including higher organisms and various microorganisms. In this study, the full-length cDNA of a novel amine oxidase gene was cloned from the mud crab, Scylla paramamosain, and termed SpAMO. The cDNA sequence was 2,599 bp in length, including an open reading frame of 1,521 bp encoding 506 amino acids. Two amino acid sequence motifs, a flavin adenine dinucleotide-binding domain and a flavin-containing amine oxidoreductase, were highly conserved in SpAMO. A quantitative real-time polymerase chain reaction analysis showed that the expression level of SpAMO after quercetin treatment was time- and concentration-dependent. The expression of SpAMO tended to decrease and then increase in the brain and haemolymph after treatment with 5 mg/kg/d quercetin; after treatment with 50 mg/kg/d quercetin, the expression of SpAMO declined rapidly and remained low in the brain and haemolymph. These results indicated that quercetin could inhibit the transcription of SpAMO, and the high dose (50 mg/kg/d) had a relatively significant inhibitory effect. SpAMO showed the highest catalytic activity on serotonin, followed by dopamine, β-phenylethylamine, and spermine, suggesting that the specific substrates of SpAMO are serotonin and dopamine. A bioinformatics analysis of SpAMO showed that it has molecular characteristics of spermine oxidase, but a quercetin test and enzyme activity study indicated that it also functions like monoamine oxidase. It is speculated that SpAMO might be a novel amine oxidase in S. paramamosain that has the functions of both spermine oxidase and monoamine oxidase.
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Affiliation(s)
- Junguo Liu
- Key Laboratory of Aquatic Genomics, Oceanic and Polar Fisheries, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
- College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai, China
| | - Ming Zhao
- Key Laboratory of Aquatic Genomics, Oceanic and Polar Fisheries, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
| | - Wei Song
- Key Laboratory of Aquatic Genomics, Oceanic and Polar Fisheries, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
| | - Lingbo Ma
- Key Laboratory of Aquatic Genomics, Oceanic and Polar Fisheries, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
- * E-mail: (KJ); (LM)
| | - Xiu Li
- Key Laboratory of Aquatic Genomics, Oceanic and Polar Fisheries, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
- College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai, China
| | - Fengying Zhang
- Key Laboratory of Aquatic Genomics, Oceanic and Polar Fisheries, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
| | - Le Diao
- Key Laboratory of Aquatic Genomics, Oceanic and Polar Fisheries, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
- College of Fisheries and Life Sciences, Shanghai Ocean University, Shanghai, China
| | - Yan Pi
- School of Life Sciences, Fudan University, Shanghai, China
| | - Keji Jiang
- Key Laboratory of Aquatic Genomics, Oceanic and Polar Fisheries, Ministry of Agriculture and Rural Affairs, East China Sea Fisheries Research Institute, Chinese Academy of Fishery Sciences, Shanghai, China
- * E-mail: (KJ); (LM)
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Morales AM, Mukai R, Murota K, Terao J. Inhibitory effect of catecholic colonic metabolites of rutin on fatty acid hydroperoxide and hemoglobin dependent lipid peroxidation in Caco-2 cells. J Clin Biochem Nutr 2018; 63:175-180. [PMID: 30487666 PMCID: PMC6252304 DOI: 10.3164/jcbn.18-38] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Accepted: 04/23/2018] [Indexed: 02/05/2023] Open
Abstract
To determine the preventive effect of dietary rutin on oxidative damages occurring in the digestive tract, 13-hydroperoxyoctadecadienoic acid and hemoglobin were exposed to Caco-2 intestinal cells after the pretreatment with colonic rutin metabolites. Among four catechol-type metabolites, quercetin and 3,4-dihydroxytoluene exerted significant protection on 13-hydroperoxyoctadecadienoic and hemoglobin-dependent lipid peroxidation of this epithelial cell. Compared with quercetin, a much lower concentration allowed 3,4-dihydroxytoluene to maximize the protective effect, though it needed a longer pre-incubation period. Neither quercetin nor 3,4-dihydroxytoluene affected the expression of peroxiredoxin-6 protein, which comprises the cellular antioxidant defense system. It is concluded that 3,4-dihydroxytoluene is a plausible rutin colonic metabolite that can suppress oxidative damages of intestinal epithelial cells by directly inhibiting lipid peroxidation. This result may illuminate the preventive role of dietary rutin against colorectal cancer incidence in relation to the consumption of red and processed meat.
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Affiliation(s)
- Agustin Martin Morales
- Department of Food Science, Institute of Biomedical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan
| | - Rie Mukai
- Department of Food Science, Institute of Biomedical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan
| | - Kaeko Murota
- Department of Life Sciecne, Faculty of Science and Engeering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, Osaka 577-8502, Japan
| | - Junji Terao
- Department of Food Science, Institute of Biomedical Sciences, Tokushima University Graduate School, 3-18-15 Kuramoto-cho, Tokushima 770-8503, Japan
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Vilamarim R, Bernardo J, Videira RA, Valentão P, Veiga F, Andrade PB. An egg yolk’s phospholipid-pennyroyal nootropic nanoformulation modulates monoamino oxidase-A (MAO-A) activity in SH-SY5Y neuronal model. J Funct Foods 2018. [DOI: 10.1016/j.jff.2018.05.009] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022] Open
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Rocha-Parra D, Chirife J, Zamora C, de Pascual-Teresa S. Chemical Characterization of an Encapsulated Red Wine Powder and Its Effects on Neuronal Cells. Molecules 2018; 23:molecules23040842. [PMID: 29642422 PMCID: PMC6017672 DOI: 10.3390/molecules23040842] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 03/23/2018] [Accepted: 03/23/2018] [Indexed: 11/16/2022] Open
Abstract
Red wine polyphenols are known for their implications for human health protection, although they suffer from high instability. For this reason, a red wine powder was prepared by freeze-drying encapsulation in maltodextrin/arabic gum matrix, and its composition was determined by means of high-performance liquid chromatography coupled quadrupole time-of-flight mass spectrometry (HPLC-MS-QTOF). More than thirty polyphenols, including anthocyanins, flavanols, flavonols, phenolic acids and stilbenoids, were identified. Some of the main quantified polyphenols were: malvidin-3-O-glucoside, malvidin 3-O-(6″-acetyl-glucose), petunidin-3-O-glucoside, quercetin-3-O-glucuronide, syringenin-3-O-glucoside, epicatechin, gallic acid and syringic acid. The biological activity of this de-alcoholized and encapsulated red wine on human neuroblastoma SH-SY5Y cells was studied. The results showed that the encapsulated red wine powder has active redox properties, as verified by performing reactive oxygen species (ROS) analysis utilizing a neuronal model. This could help explain its action against the neurotoxicity induced by 6-hydroxydopamine (6-OHDA).
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Affiliation(s)
- Diego Rocha-Parra
- Faculty of Engineering and Agricultural Sciences, Pontifical Catholic University of Argentina, Buenos Aires C1107AAZ, Argentina.
- National Scientific and Technical Research Council (CONICET), Buenos Aires C1425FQB, Argentina.
- Department of Metabolism and Nutrition, Institute of Food Science, Technology and Nutrition (ICTAN), Spanish National Research Council (CSIC), E-28040 Madrid, Spain.
| | - Jorge Chirife
- Faculty of Engineering and Agricultural Sciences, Pontifical Catholic University of Argentina, Buenos Aires C1107AAZ, Argentina.
| | - Clara Zamora
- Faculty of Engineering and Agricultural Sciences, Pontifical Catholic University of Argentina, Buenos Aires C1107AAZ, Argentina.
- National Scientific and Technical Research Council (CONICET), Buenos Aires C1425FQB, Argentina.
| | - Sonia de Pascual-Teresa
- Department of Metabolism and Nutrition, Institute of Food Science, Technology and Nutrition (ICTAN), Spanish National Research Council (CSIC), E-28040 Madrid, Spain.
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Colombo M, Figueiró F, de Fraga Dias A, Teixeira HF, Battastini AMO, Koester LS. Kaempferol-loaded mucoadhesive nanoemulsion for intranasal administration reduces glioma growth in vitro. Int J Pharm 2018; 543:214-223. [PMID: 29605695 DOI: 10.1016/j.ijpharm.2018.03.055] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2017] [Revised: 02/15/2018] [Accepted: 03/28/2018] [Indexed: 01/03/2023]
Abstract
In order to search for new approaches to treat glioma, intranasal administration has been proposed as an alternative route to deliver drugs into the brain. Among the drug alternatives, kaempferol (KPF) has been reported to induce glioma cell death. This study aimed to prepare nanoemulsions containing KPF with and without chitosan to investigate their potential for brain delivery following intranasal administration, and to evaluate their antitumor activity against glioma cells. KPF-loaded nanoemulsion (KPF-NE) and KPF-loaded mucoadhesive nanoemulsion (KPF-MNE) were prepared by high-pressure homogenization technique and were characterized for their globule size, zeta potential, drug content, pH, viscosity, mucoadhesive strength and morphology. KPF from KPF-MNE showed significantly higher permeation across the mucosa in ex vivo diffusion studies. Histopathological examination suggests both nanoemulsions to be safe for the nasal mucosa and able to preserve KPF antioxidant capability. KPF-MNE enhanced significantly the amount of drug into rat's brain following intranasal administration (5- and 4.5-fold higher than free drug and KPF-NE, respectively). In addition, KPF-MNE reduced C6 glioma cell viability through induction of apoptosis to a greater extent than either free KPF or KPF-NE. The mucoadhesive nanoemulsion developed for intranasal administration may be a promising system for delivery to the brain, and KPF-MNE is a candidate for further antiglioma trials.
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Affiliation(s)
- Mariana Colombo
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga, 2752, 90610-000 Porto Alegre, RS, Brazil
| | - Fabrício Figueiró
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, UFRGS, Av. Ramiro Barcelos, 2600, Anexo, 90035-003 Porto Alegre, RS, Brazil; Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, UFRGS, Av. Ramiro Barcelos, 2600, Anexo, 90035-003 Porto Alegre, RS, Brazil
| | - Amanda de Fraga Dias
- Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, UFRGS, Av. Ramiro Barcelos, 2600, Anexo, 90035-003 Porto Alegre, RS, Brazil
| | - Helder Ferreira Teixeira
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga, 2752, 90610-000 Porto Alegre, RS, Brazil
| | - Ana Maria Oliveira Battastini
- Programa de Pós-Graduação em Ciências Biológicas: Bioquímica, Instituto de Ciências Básicas da Saúde, UFRGS, Av. Ramiro Barcelos, 2600, Anexo, 90035-003 Porto Alegre, RS, Brazil; Departamento de Bioquímica, Instituto de Ciências Básicas da Saúde, UFRGS, Av. Ramiro Barcelos, 2600, Anexo, 90035-003 Porto Alegre, RS, Brazil
| | - Letícia Scherer Koester
- Programa de Pós-Graduação em Ciências Farmacêuticas, Faculdade de Farmácia, Universidade Federal do Rio Grande do Sul (UFRGS), Av. Ipiranga, 2752, 90610-000 Porto Alegre, RS, Brazil.
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Gupta G, Tiwari J, Dahiya R, Kumar Sharma R, Mishra A, Dua K. Recent updates on neuropharmacological effects of luteolin. EXCLI JOURNAL 2018; 17:211-214. [PMID: 29743859 PMCID: PMC5938528 DOI: 10.17179/excli2018-1041] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Accepted: 02/19/2018] [Indexed: 02/04/2023]
Affiliation(s)
- Gaurav Gupta
- School of Pharmaceutical Sciences, Jaipur National University, Jagatpura 302017, Jaipur, India
| | - Juhi Tiwari
- School of Pharmaceutical Sciences, Jaipur National University, Jagatpura 302017, Jaipur, India
| | - Rajiv Dahiya
- Laboratory of Peptide Research and Development, School of Pharmacy, Faculty of Medical Sciences, The University of the West Indies, St. Augustine, Trinidad & Tobago, West Indies
| | - Rakesh Kumar Sharma
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura 302017, Jaipur, India
| | - Anurag Mishra
- School of Pharmacy, Suresh Gyan Vihar University, Jagatpura 302017, Jaipur, India
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia.,School of Pharmaceutical Sciences, Shoolini University, Solan, Himachal Pradesh, 173229, India
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Larit F, Elokely KM, Chaurasiya ND, Benyahia S, Nael MA, León F, Abu-Darwish MS, Efferth T, Wang YH, Belouahem-Abed D, Benayache S, Tekwani BL, Cutler SJ. Inhibition of human monoamine oxidase A and B by flavonoids isolated from two Algerian medicinal plants. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2018; 40:27-36. [PMID: 29496172 PMCID: PMC5947877 DOI: 10.1016/j.phymed.2017.12.032] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/22/2017] [Revised: 12/03/2017] [Accepted: 12/26/2017] [Indexed: 05/30/2023]
Abstract
BACKGROUND Monoamine oxidases (MAOs) are outer mitochondrial membrane flavoenzymes. They catalyze the oxidative deamination of a variety of neurotransmitters. MAO-A and MAO-B may be considered as targets for inhibitors to treat neurodegenerative diseases and depression and for managing symptoms associated with Parkinson's and Alzheimer's diseases. PURPOSE The objective was to evaluate the inhibitory effect of Hypericum afrum and Cytisus villosus against MAO-A and B and to isolate the compounds responsible for the MAO-inhibitory activity. METHODS The inhibitory effect of extracts and purified constituents of H. afrum and C. villosus were investigated in vitro using recombinant human MAO-A and B, and through bioassay-guided fractionation of ethyl acetate fractions of areal parts of the two plants collected in northeastern Algeria. In addition, computational protein-ligand docking and molecular dynamics simulations were carried out to explain the MAO binding at the molecular level. RESULTS The ethyl acetate (EtOAc) fractions of H. afrum and C. villosus showed the highest MAO inhibition activity against MAO A and B with IC50 values of 3.37 µg/ml and 13.50 µg/ml as well as 5.62 and 1.87 µg/ml, respectively. Bioassay-guided fractionation of the EtOAc fractions resulted in the purification and identification of the known flavonoids quercetin, myricetin, genistein and chrysin as the principal MAO-inhibitory constituents. Their structures were established by extensive 1 and 2D NMR studies and mass spectrometry. Quercetin, myricetin and chrysin showed potent inhibitory activity towards MAO-A with IC50 values of 1.52, 9.93 and 0.25 µM, respectively, while genistein more efficiently inhibited MAO-B (IC50 value: 0.65 µM). The kinetics of the inhibition and the study of dialysis dissociation of the complex of quercetin and myricetin and the isoenzyme MAO-A showed competitive and mixed inhibition, respectively. Both compounds showed reversible binding. Molecular docking experiments and molecular dynamics simulations allowed to estimate the binding poses and to identify the most important residues involved in the selective recognition of molecules in the MAOs enzymatic clefts. CONCLUSION Quercetin and myricetin isolated from H. afrum together with genistein and chrysin isolated from C. villosus have been identified as potent MAO-A and -B inhibitors. H. afrum and C. villosus have properties indicative of potential neuroprotective ability and may be new candidates for selective MAO-A and B inhibitors.
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Affiliation(s)
- Farida Larit
- Department of BioMolecular Sciences, School of Pharmacy, The University of Mississippi, University, MS 38677, United States; Département de Chimie, Faculté des Sciences Exactes, Université des Frères Mentouri, Constantine, Route d'Aine El Bey 25000, Constantine, Algeria.
| | - Khaled M Elokely
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt
| | - Narayan D Chaurasiya
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, United States
| | - Samira Benyahia
- Laboratoire de Synthèse Organique, Modélisation et Optimisation des Procèdes (LOMOP), Université Badji Mokhtar, Faculté des Sciences, Département de Chimie, 23000 Annaba, Algeria
| | - Manal A Nael
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Tanta University, Tanta 31527, Egypt
| | - Francisco León
- Department of BioMolecular Sciences, School of Pharmacy, The University of Mississippi, University, MS 38677, United States
| | - Mohammad Sanad Abu-Darwish
- Department of Basic and Applied Sciences, Al-Balqa Applied University, Al-Salt 19117, Jordan; Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Staudinger Weg 5, 55128 Mainz, Germany
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmacy and Biochemistry, Johannes Gutenberg University, Staudinger Weg 5, 55128 Mainz, Germany
| | - Yan-Hong Wang
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, United States
| | - Djamila Belouahem-Abed
- Institut National De Recherche Forestière, Station de recherche d'El Kala (El Tarf). Algeria
| | - Samir Benayache
- Unité de Recherche Valorisation des Ressources Naturelles, Molécules Bioactives et Analyse Physico-Chimique et Biologique (VARENBIOMOL), Université des Frères Mentouri, Constantine, Route d'Aine El Bey 25000, Constantine, Algeria
| | - Babu L Tekwani
- National Center for Natural Products Research, School of Pharmacy, University of Mississippi, University, MS 38677, United States
| | - Stephen J Cutler
- Department of BioMolecular Sciences, School of Pharmacy, The University of Mississippi, University, MS 38677, United States
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Gasca CA, Castillo WO, Takahashi CS, Fagg CW, Magalhães PO, Fonseca-Bazzo YM, Silveira D. Assessment of anti-cholinesterase activity and cytotoxicity of cagaita ( Eugenia dysenterica ) leaves. Food Chem Toxicol 2017; 109:996-1002. [DOI: 10.1016/j.fct.2017.02.032] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2017] [Revised: 02/21/2017] [Accepted: 02/22/2017] [Indexed: 01/04/2023]
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Olive (Olea europaea L.) Biophenols: A Nutriceutical against Oxidative Stress in SH-SY5Y Cells. Molecules 2017; 22:molecules22111858. [PMID: 29109370 PMCID: PMC6150248 DOI: 10.3390/molecules22111858] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2017] [Revised: 10/25/2017] [Accepted: 10/26/2017] [Indexed: 11/22/2022] Open
Abstract
Plant biophenols have been shown to be effective in the modulation of Alzheimer’s disease (AD) pathology resulting from free radical-induced oxidative stress and imbalance of the redox chemistry of transition metal ions (e.g., iron and copper). On the basis of earlier reported pharmacological activities, olive biophenols would also be expected to have anti-Alzheimer’s activity. In the present study, the antioxidant activity of individual olive biophenols (viz. caffeic acid, hydroxytyrosol, oleuropein, verbascoside, quercetin, rutin and luteolin) were evaluated using superoxide radical scavenging activity (SOR), hydrogen peroxide (H2O2) scavenging activity, and ferric reducing ability of plasma (FRAP) assays. The identification and antioxidant activities in four commercial olive extracts—Olive leaf extractTM (OLE), Olive fruit extractTM (OFE), Hydroxytyrosol ExtremeTM (HTE), and Olivenol plusTM (OLP)—were evaluated using an on-line HPLC-ABTS•+ assay, and HPLC-DAD-MS analysis. Oleuropein and hydroxytyrosol were the predominant biophenols in all the extracts. Among the single compounds examined, quercetin (EC50: 93.97 μM) and verbascoside (EC50: 0.66 mM) were the most potent SOR and H2O2 scavengers respectively. However, OLE and HTE were the highest SOR (EC50: 1.89 μg/mL) and H2O2 (EC50: 115.8 μg/mL) scavengers among the biophenol extracts. The neuroprotection of the biophenols was evaluated against H2O2-induced oxidative stress and copper (Cu)-induced toxicity in neuroblastoma (SH-SY5Y) cells. The highest neuroprotection values (98% and 92%) against H2O2-induced and Cu-induced toxicities were shown by the commercial extract HTETM. These were followed by the individual biophenols, caffeic acid (77% and 64%) and verbascoside (71% and 72%). Our results suggest that olive biophenols potentially serve as agents for the prevention of neurodegenerative diseases such as AD, and other neurodegenerative ailments that are caused by oxidative stress.
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In Silico Prediction of the Anti-Depression Mechanism of a Herbal Formula (Tiansi Liquid) Containing Morinda officinalis and Cuscuta chinensis. Molecules 2017; 22:molecules22101614. [PMID: 28954415 PMCID: PMC6151506 DOI: 10.3390/molecules22101614] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2017] [Revised: 09/20/2017] [Accepted: 09/21/2017] [Indexed: 02/07/2023] Open
Abstract
Purpose: Depression is a sickening psychiatric condition that is prevalent worldwide. To manage depression, the underlying modes of antidepressant effect of herbals are important to be explored for the development of natural drugs. Tiansi Liquid is a traditional Chinese medicine (TCM) that is prescribed for the management of depression, however its underlying mechanism of action is still uncertain. The purpose of this study was to systematically investigate the pharmacological mode of action of a herbal formula used in TCM for the treatment of depression. Methods: Based on literature search, an ingredients-targets database was developed for Tiansi Liquid, followed by the identification of targets related to depression. The interaction between these targets was evaluated on the basis of protein-protein interaction network constructed by STITCH and gene ontology (GO) enrichment analysis using ClueGO plugin. Results: As a result of literature search, 57 components in Tiansi Liquid formula and 106 potential targets of these ingredients were retrieved. A careful screening of these targets led to the identification of 42 potential targets associated with depression. Ultimately, 327 GO terms were found by analysis of gene functional annotation clusters and abundance value of these targets. Most of these terms were found to be closely related to depression. A significant number of protein targets such as IL10, MAPK1, PTGS2, AKT1, APOE, PPARA, MAPK1, MIF, NOS3 and TNF-α were found to be involved in the functioning of Tiansi Liquid against depression. Conclusions: The findings elaborate that Tiansi Liquid can be utilized to manage depression, however, multiple molecular mechanisms of action could be proposed for this effect. The observed core mechanisms could be the sensory perception of pain, regulation of lipid transport and lipopolysaccharide-mediated signaling pathway.
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Structural insight for the recognition of G-quadruplex structure at human c-myc promoter sequence by flavonoid Quercetin. Sci Rep 2017; 7:3600. [PMID: 28620169 PMCID: PMC5472631 DOI: 10.1038/s41598-017-03906-3] [Citation(s) in RCA: 44] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 05/11/2017] [Indexed: 12/21/2022] Open
Abstract
Small molecule ligands that could stabilize G-quadruplex structure formed at the promoter region of human c-myc oncogene will regulate its expression in cancer cells. Flavonoids, a group of naturally available small molecule, have been known for their various promising effects on human health. In present study, we have performed detailed biophysical studies for the interaction of human c-myc G-quadruplex DNA with nine representative flavonoids: Luteolin, Quercetin, Rutin, Genistein, Kaempferol, Puerarin, Hesperidin, Myricetin and Daidzein. We found by using fluorescence titration that Quercetin interacts with c-myc G-quadruplex DNA sequence Pu24T with highest affinity. This interaction was further explored by using NMR spectroscopy and we have derived the first solution structure for the complex formed between Quercetin and biologically significant c-myc promoter DNA sequence forming G-quadruplex structure. In present solution structure, Quercetin stacks at 5' and 3' G-tetrads of Pu24T G-quadruplex structure and stabilize it via π-π stacking interactions. Furthermore, in vitro studies on HeLa cells suggested that Quercetin induces apoptosis-mediated cell death and down-regulated c-myc gene expression. This study emphasizes the potential of flavonoids as a promising candidate for targeting c-myc promoter region and thus, could act as a potential anti-cancer agent.
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Dajas F, Abin-Carriquiry JA, Arredondo F, Blasina F, Echeverry C, Martínez M, Rivera F, Vaamonde L. Quercetin in brain diseases: Potential and limits. Neurochem Int 2015; 89:140-8. [DOI: 10.1016/j.neuint.2015.07.002] [Citation(s) in RCA: 65] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2015] [Revised: 05/07/2015] [Accepted: 07/01/2015] [Indexed: 01/09/2023]
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