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Ramesh T, Shahid M. Bacoside-A repressed the differentiation and lipid accumulation of 3T3-L1 preadipocytes by modulating the expression of adipogenic genes. Biotechnol Appl Biochem 2024. [PMID: 38419375 DOI: 10.1002/bab.2573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 02/07/2024] [Accepted: 02/14/2024] [Indexed: 03/02/2024]
Abstract
Obesity is one of the more complicated diseases, it can induce numerous life-threatening diseases mainly diabetes mellitus, cardiovascular disease, hypertension, and certain cancers. In this study, we assessed the efficacy of bacoside-A (a dammarane-type triterpenoid saponin derived from the plant Bacopa monniera Linn.) on the adipogenesis of 3T3-L1 preadipocytes. Results of this study illustrated that bacoside-A decreased the differentiation of 3T3-L1 cell, as evidenced by diminution of lipid droplets, which contains triglycerides and other lipids. During the differentiation process, transcription factors, which are mainly participating in adipogenesis such us CCAAT/enhancer-binding protein α (C/EBPα) and C/EBPβ, peroxisome proliferator-activated receptor-γ (PPARγ), and sterol regulatory element-binding protein-1c (SREBP-1c), expressions were significantly suppressed by bacoside-A. In addition, bacoside-A showed a potent reduction in genes precise to adipocytes such as lipoprotein lipase (LPL), fatty acid synthase (FAS), adipocyte fatty acid-binding protein (FABP4), and leptin expressions. Further, bacoside-A stimulated the phosphorylation of acetyl CoA carboxylase (ACC) and AMP-activated protein kinase (AMPK). These results demonstrated that bacoside-A has anti-adipogenic effects by regulating the transcription factors involved in adipocyte differentiation. Therefore, bacoside-A might be considered as a potent therapeutic agent for alleviating obesity and hyperlipidemia.
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Affiliation(s)
- Thiyagarajan Ramesh
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Kingdom of Saudi Arabia
| | - Mohammad Shahid
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Kingdom of Saudi Arabia
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Mishra SR, Behera BP, Singh VK, Mahapatra KK, Mundkinajeddu D, Bhat D, Minz AM, Sethi G, Efferth T, Das S, Bhutia SK. Anticancer activity of Bacopa monnieri through apoptosis induction and mitophagy-dependent NLRP3 inflammasome inhibition in oral squamous cell carcinoma. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 123:155157. [PMID: 37951147 DOI: 10.1016/j.phymed.2023.155157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2023] [Revised: 10/16/2023] [Accepted: 10/18/2023] [Indexed: 11/13/2023]
Abstract
BACKGROUND Bacopa monnieri (BM) is traditionally used in human diseases for its antioxidant, anti-inflammatory and neuroprotective effects. However, its anticancer potential has been poorly understood. AIM The aim of this study was to explore the detailed anticancer mechanism of BM against oral cancer and to identify the bioactive BM fraction for possible cancer therapeutics. RESULTS We performed bioactivity-guided fractionation and identified that the aqueous fraction of the ethanolic extract of BM (BM-AF) had a potent anticancer potential in both in vitro and in vivo oral cancer models. BM-AF inhibited cell viability, colony formation, cell migration and induced apoptotic cell death in Cal33 and FaDu cells. BM-AF at low doses promoted mitophagy and BM-AF mediated mitophagy was PARKIN dependent. In addition, BM-AF inhibited arecoline induced reactive oxygen species production in Cal33 cells. Moreover, BM-AF supressed arecoline-induced NLR family pyrin domain containing 3 (NLRP3) inflammasome activation through mitophagy in Cal33 cells. The in vivo antitumor effect of BM-AF was further validated in C57BL/6J mice through a 4-nitroquinolin-1-oxide and arecoline-induced oral cancer model. The tumor incidence was significantly reduced in the BM-AF treated group. Further, data obtained from western blot and immunohistochemistry analysis showed increased expression of apoptotic markers and decreased expression of inflammasome markers in the tongue tissue obtained from BM-AF treated mice in comparison with the non-treated tumor bearing mice. CONCLUSION In conclusion, BM-AF exhibited potent anticancer activity through apoptosis induction and mitophagy-dependent inhibition of NLRP3 inflammasome activation in both in vitro and in vivo oral cancer models. Moreover, we have investigated apoptosis and mitophagy-inducing compounds from this plant extract having anticancer activity against oral cancer cells.
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Affiliation(s)
- Soumya Ranjan Mishra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India
| | - Bishnu Prasad Behera
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India
| | | | - Kewal Kumar Mahapatra
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India; Current affiliation: Department of Agriculture and Allied Sciences (Zoology), C. V Raman Global University, Bhubaneswar, 752054, Odisha, India
| | | | - Deeksha Bhat
- Research and Development Department, Natural Remedies Pvt. Ltd, India
| | - Aruna Mukti Minz
- Department of Pathology, Ispat General Hospital, Rourkela, India
| | - Gautam Sethi
- Department of Pharmacology, Yong Loo Lin School of Medicine, National University of Singapore, Singapore 117600, Singapore
| | - Thomas Efferth
- Department of Pharmaceutical Biology, Institute of Pharmaceutical and Biomedical Sciences, Johannes Gutenberg University, 55128 Mainz, Germany
| | - Surajit Das
- Laboratory of Environmental Microbiology and Ecology, Department of Life Science, National Institute of Technology Rourkela, 769008, Odisha, India
| | - Sujit Kumar Bhutia
- Cancer and Cell Death Laboratory, Department of Life Science, National Institute of Technology, Rourkela, 769008, Odisha, India.
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Mehramiz M, Porter T, O’Brien EK, Rainey-Smith SR, Laws SM. A Potential Role for Sirtuin-1 in Alzheimer's Disease: Reviewing the Biological and Environmental Evidence. J Alzheimers Dis Rep 2023; 7:823-843. [PMID: 37662612 PMCID: PMC10473168 DOI: 10.3233/adr-220088] [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: 10/26/2022] [Accepted: 07/08/2023] [Indexed: 09/05/2023] Open
Abstract
Sirtuin-1 (Sirt1), encoded by the SIRT1 gene, is a conserved Nicotinamide adenine dinucleotide (NAD+) dependent deacetylase enzyme, considered as the master regulator of metabolism in humans. Sirt1 contributes to a wide range of biological pathways via several mechanisms influenced by lifestyle, such as diet and exercise. The importance of a healthy lifestyle is of relevance to highly prevalent modern chronic diseases, such as Alzheimer's disease (AD). There is growing evidence at multiple levels for a role of Sirt1/SIRT1 in AD pathological mechanisms. As such, this review will explore the relevance of Sirt1 to AD pathological mechanisms, by describing the involvement of Sirt1/SIRT1 in the development of AD pathological hallmarks, through its impact on the metabolism of amyloid-β and degradation of phosphorylated tau. We then explore the involvement of Sirt1/SIRT1 across different AD-relevant biological processes, including cholesterol metabolism, inflammation, circadian rhythm, and gut microbiome, before discussing the interplay between Sirt1 and AD-related lifestyle factors, such as diet, physical activity, and smoking, as well as depression, a common comorbidity. Genome-wide association studies have explored potential associations between SIRT1 and AD, as well as AD risk factors and co-morbidities. We summarize this evidence at the genetic level to highlight links between SIRT1 and AD, particularly associations with AD-related risk factors, such as heart disease. Finally, we review the current literature of potential interactions between SIRT1 genetic variants and lifestyle factors and how this evidence supports the need for further research to determine the relevance of these interactions with respect to AD and dementia.
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Affiliation(s)
- Mehrane Mehramiz
- Centre for Precision Health, Edith Cowan University, Joondalup, Western Australia, Australia
- Collaborative Genomics and Translation Group, Edith Cowan University, Joondalup, Western Australia, Australia
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
| | - Tenielle Porter
- Centre for Precision Health, Edith Cowan University, Joondalup, Western Australia, Australia
- Collaborative Genomics and Translation Group, Edith Cowan University, Joondalup, Western Australia, Australia
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
- Curtin Medical School, Curtin University, Bentley, Western Australia, Australia
| | - Eleanor K. O’Brien
- Centre for Precision Health, Edith Cowan University, Joondalup, Western Australia, Australia
- Collaborative Genomics and Translation Group, Edith Cowan University, Joondalup, Western Australia, Australia
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
| | - Stephanie R. Rainey-Smith
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
- Centre for Healthy Ageing, Health Futures Institute, Murdoch University, Murdoch, Western Australia, Australia
- School of Psychological Science, University of Western Australia, Crawley, Western Australia, Australia
| | - Simon M. Laws
- Centre for Precision Health, Edith Cowan University, Joondalup, Western Australia, Australia
- Collaborative Genomics and Translation Group, Edith Cowan University, Joondalup, Western Australia, Australia
- School of Medical and Health Sciences, Edith Cowan University, Joondalup, Western Australia, Australia
- Curtin Medical School, Curtin University, Bentley, Western Australia, Australia
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Hamadi N, Beegam S, Zaaba NE, Elzaki O, Altamimi MA, Nemmar A. Neuroinflammation, Oxidative Stress, Apoptosis, Microgliosis and Astrogliosis in the Cerebellum of Mice Chronically Exposed to Waterpipe Smoke. Biomedicines 2023; 11:biomedicines11041104. [PMID: 37189722 DOI: 10.3390/biomedicines11041104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 03/25/2023] [Accepted: 03/29/2023] [Indexed: 04/08/2023] Open
Abstract
Waterpipe smoking (WPS) is prevalent in Asian and Middle Eastern countries and has recently gained worldwide popularity, especially among youth. WPS has potentially harmful chemicals and is associated with a wide range of adverse effects on different organs. However, little is known regarding the impact of WPS inhalation on the brain and especially on the cerebellum. Presently, we aimed at investigating inflammation, oxidative stress and apoptosis as well as microgliosis and astrogliosis in the cerebellum of BALB/C mice chronically (6 months) exposed to WPS compared with air-exposed mice (control). WPS inhalation augmented the concentrations of proinflammatory cytokines tumor necrosis factor, interleukin (IL)-6 and IL-1β in cerebellar homogenates. Likewise, WPS increased oxidative stress markers including 8-isoprostane, thiobarbituric acid reactive substances and superoxide dismutase. In addition, compared with the air-exposed group, WPS caused an increase in the oxidative DNA damage marker, 8-hydroxy-2′-deoxyguanosine, in cerebellar homogenates. Similarly, in comparison with the air group, WPS inhalation elevated the cerebellar homogenate levels of cytochrome C, cleaved caspase-3 and nuclear factor-κB (NF-κB). Immunofluorescence analysis of the cerebellum showed that WPS exposure significantly augmented the number of ionized calcium-binding adaptor molecule 1 and glial fibrillary acidic protein-positive microglia and astroglia, respectively. Taken together, our data show that chronic exposure to WPS is associated with cerebellar inflammation, oxidative stress, apoptosis, microgliosis and astrogliosis. These actions were associated with a mechanism involving NF-κB activation.
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Affiliation(s)
- Naserddine Hamadi
- Department of Life and Environmental Sciences, College of Natural and Health Sciences, Zayed University, Abu Dhabi P.O. Box 144534, United Arab Emirates
| | - Sumaya Beegam
- Department of Physiology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
| | - Nur Elena Zaaba
- Department of Physiology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
| | - Ozaz Elzaki
- Department of Physiology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
| | - Mariam Abdulla Altamimi
- Department of Life and Environmental Sciences, College of Natural and Health Sciences, Zayed University, Abu Dhabi P.O. Box 144534, United Arab Emirates
| | - Abderrahim Nemmar
- Department of Physiology, College of Medicine and Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
- Zayed Center for Health Sciences, United Arab Emirates University, Al Ain P.O. Box 17666, United Arab Emirates
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Berezutsky MA, Durnova NA, Sigareva LE, Belonogova YV. [Bacosides: a study of neurobiological activity, prospects for application]. Zh Nevrol Psikhiatr Im S S Korsakova 2023; 123:54-59. [PMID: 37966440 DOI: 10.17116/jnevro202312310154] [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] [Indexed: 11/16/2023]
Abstract
Bacosides are the main biologically active components derived from the plant bacopa monnieri (Bacopa monnieri (L.) Wettst.), which has been used as a nootropic in Indian medicine for many centuries. In recent years, these compounds have attracted attention because of their wide range of neurobiological effects. The neuroprotective effects of bacosides on brain neurons under the influence of various damaging factors (neurotoxins, oxidative stress, beta-amyloid deposition, cigarette smoke, etc.) have been established. It was shown that these substances reduce the levels of inflammatory cytokines and inhibit the processes of demyelination of neurons. The anticonvulsant effect of bacosides has been established. These compounds also improve cognitive functions, including memory and learning abilities. The effects associated with the influence on the dopaminergic and serotonergic systems of the striatum are of interest for the therapy of morphine addiction. The theoretical justifications for the future use of bacosides as a multipurpose means of complex therapy of individual diseases in neurological and psychiatric practice are presented.
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Affiliation(s)
- M A Berezutsky
- Razumovsky Saratov State Medical University, Saratov, Russia
| | - N A Durnova
- Razumovsky Saratov State Medical University, Saratov, Russia
| | - L E Sigareva
- Razumovsky Saratov State Medical University, Saratov, Russia
| | - Yu V Belonogova
- Razumovsky Saratov State Medical University, Saratov, Russia
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Wang Z, Shi H, Peng L, Zhou Y, Wang Y, Jiang F. Gender differences in the association between biomarkers of environmental smoke exposure and developmental disorders in children and adolescents. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:84629-84639. [PMID: 35781659 DOI: 10.1007/s11356-022-21767-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 06/27/2022] [Indexed: 06/15/2023]
Abstract
Effects of environmental tobacco smoke (ETS) exposure on children and adolescent health outcomes have been attracted more and more attention. In the present study, we seek to examine the gender-specific difference association of environmental smoke exposure biomarkers and developmental disorders in children and adolescents aged 6-15 years. US nationally representative sample collected from the National Health and Nutrition Examination Survey (NHANES) 2007-2014 was enrolled (N = 4428). Developmental disorders (DDs) are defined as a positive answer to the question, "Does your child receive special education or early intervention services?" Serum cotinine and urinary 4-(methylnitrosamino)-1-(3-pyridyl)-1-butanol (NNAL) were utilized as acute and chronic exposure biomarkers of ETS, respectively. Participants with serum cotinine >0.015 ng/mL were considered as with acute ETS exposure, and participants with creatinine-adjusted NNAL >0.0006 ng/mL were considered as with chronic ETS exposure. A survey logistic regression model was used to estimate the association between ETS exposure biomarkers and DDs. Additive interaction was utilized to examine the interaction of gender and biomarkers of ETS. Overall, approximately 9% of children were defined as DDs, and 65% of children had serum cotinine and urinary NNAL levels above the limit of detection. In the adjusted models, the association of ETS exposure biomarkers with DDs was only observed in girls. Girls with low cotinine levels and high urinary NNAL levels had 2.074 (95% CI: 1.012-4.247) and 1.851 (95% CI: 1.049-3.265) times higher odds of being DDs than those without ETS exposure, respectively. However, the effects of boys and NNAL exposure on DDs have additively interacted. Our findings first provided strong evidence for gender differences in the association between two tobacco metabolites and DDs in children, disclosing the public health implications and economic burdens of environmental tobacco smoke exposure.
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Affiliation(s)
- Zixuan Wang
- Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China
| | - Hui Shi
- Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China
| | - Ling Peng
- Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China
| | - Yue Zhou
- School of Public Health, Shanghai Jiao Tong University School of Medicine, Shanghai, 200025, PR China
| | - Ying Wang
- Suzhou Center for Disease Prevention and Control, 72 Sanxiang Road, Suzhou, Jiangsu, China
| | - Fei Jiang
- School of public health, Medical College of Soochow University, 199 Renai Road, Suzhou, 215123, Jiangsu, China.
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7
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Fatima U, Roy S, Ahmad S, Ali S, Elkady WM, Khan I, Alsaffar RM, Adnan M, Islam A, Hassan MI. Pharmacological attributes of Bacopa monnieri extract: Current updates and clinical manifestation. Front Nutr 2022; 9:972379. [PMID: 36061899 PMCID: PMC9436272 DOI: 10.3389/fnut.2022.972379] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 07/28/2022] [Indexed: 11/26/2022] Open
Abstract
Bacopa monnieri has been used for centuries in Ayurvedic medicine, alone or in combination with other herbs, as a memory and learning enhancer, sedative, and anti-epileptic. This review aimed to highlight the health benefits of B. monnieri extracts (BME), focusing on anti-cancer and neurodegenerative diseases. We examined the clinical studies on phytochemistry and pharmacological application of BME. We further highlighted the mechanism of action of these extracts in varying types of cancer and their therapeutic implications. In addition, we investigated the underlying molecular mechanism in therapeutic interventions, toxicities, safety concerns and synergistic potential in cognition and neuroprotection. Overall, this review provides deeper insights into the therapeutic implications of Brahmi as a lead formulation for treating neurological disorders and exerting cognitive-enhancing effects.
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Affiliation(s)
- Urooj Fatima
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
| | - Sonam Roy
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
| | | | - Sabeeha Ali
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
| | - Wafaa M. Elkady
- Department of Pharmacognosy and Medicinal Plants, Faculty of Pharmacy, Future University in Egypt, New Cairo, Egypt
| | - Ilyas Khan
- Department of Mathematics, College of Science Al-Zulfi, Majmaah University, Al-Majmaah, Saudi Arabia
| | - Rana M. Alsaffar
- Department of Pharmacology and Toxicology, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Mohd Adnan
- Department of Biology, College of Science, University of Hail, Hail, Saudi Arabia
| | - Asimul Islam
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
| | - Md. Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, New Delhi, India
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Hamed KA, El-Fiky SA, Gawish AM, Khalil WKB, Mohamed HRH. Alleviation of nicotine-induced reproductive disorder, clastogenicity, and histopathological alterations by fenugreek saponin bulk and nanoparticles in male rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:47488-47501. [PMID: 35182342 PMCID: PMC9232449 DOI: 10.1007/s11356-022-19123-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/10/2021] [Accepted: 02/04/2022] [Indexed: 06/14/2023]
Abstract
Nicotine is the most abundant ingredient in cigarette smoking and has serious side effects on the lung, heart, reproductive system, and many other human organs. Saponins extracted from many plants exhibit multiple biological actions such as anti-cancer effects. Therefore, the possible protective effect of fenugreek saponin (FS) and nanofenugreek saponin (NFS) against nicotine-induced toxicity in male rats was investigated in this study. Animals were divided into a control group and the nicotine (1.5 mg/kg/day), FS (25, 50, and 100 mg/kg/day), or/and NFS (20, 40, and 80 mg/kg/day) administered groups. Micronucleus assay, histopathological, and sperm abnormality examinations as well as measurement of the acetylcholinesterase (AChE) gene expression were conducted. Our findings revealed that nicotine treatment induced significant increases in the incidence of micronucleus, sperm abnormalities, and expression levels of AChE in addition to inducing histopathological changes in rat testis. On the other hand, administration of FS or NFS with nicotine significantly decreased the incidence of micronuclei and the percentage of sperm abnormalities as well as the expression levels of AChE gene. Moreover, nicotine-induced histological alterations were reduced by given FS or NFS with nicotine. In conclusion, nicotine-induced sperm abnormalities, chromosomal damage, and histological injuries were mitigated by administration of FS or NFS with nicotine, and thus, FS and NFS could be used as ameliorating agents against nicotine toxicity.
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Affiliation(s)
- Karima A Hamed
- Department of Cell Biology, National Research Centre, 33 El-Bohous StDokki, P.O. 12622, Giza, 12622, Egypt
| | - Samia A El-Fiky
- Department of Cell Biology, National Research Centre, 33 El-Bohous StDokki, P.O. 12622, Giza, 12622, Egypt
| | - Azza M Gawish
- Department of Zoology, Faculty of Science, Cairo University, Giza, 12613, Egypt
| | - Wagdy K B Khalil
- Department of Cell Biology, National Research Centre, 33 El-Bohous StDokki, P.O. 12622, Giza, 12622, Egypt
| | - Hanan R H Mohamed
- Department of Zoology, Faculty of Science, Cairo University, Giza, 12613, Egypt.
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Paidi RK, Sarkar S, Ambareen N, Biswas SC. Medha Plus - A novel polyherbal formulation ameliorates cognitive behaviors and disease pathology in models of Alzheimer's disease. Biomed Pharmacother 2022; 151:113086. [PMID: 35617801 DOI: 10.1016/j.biopha.2022.113086] [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: 02/15/2022] [Revised: 04/29/2022] [Accepted: 05/04/2022] [Indexed: 11/28/2022] Open
Abstract
Alzheimer's disease (AD) is a multi-faceted neurodegenerative disorder that leads to drastic cognitive impairments culminating in death. Pathologically, it is characterized by amyloid-β (Aβ) plaques, neurofibrillary tangles and neurodegeneration in brain. Complete cure of AD remains elusive to date. Available synthetic drugs only provide symptomatic reliefs targeting single molecule, hence, are unable to address the multi-factorial aspects in AD pathogenesis. It is imperative to develop combinatorial drugs that address the multiple molecular targets in AD. We show a unique polyherbal formulation of Brahmi, Mandukaparni, Shankhpushpi, Yastimadhu, Kokilaksha and Shunthi called 'Medha Plus' (MP), conventionally used for improving memory and reducing anxiety, was able to ameliorate cognitive deficits and associated pathological hallmarks of AD. Viability assays revealed that MP prevented Aβ-induced loss of neurites as well as neuronal apoptosis in cellular models. An array of behavioral studies showed that MP was able to recover AD-associated memory deficits in both Aβ-injected rats and 5XFAD mice. Immunohistochemical studies further revealed that MP treatment reduced Aβ depositshpi and decreased apoptotic cell death in the hippocampus. Enzymatic assays demonstrated anti-oxidative and anti-acetyl cholinesterase properties of MP especially in hippocampus of Aβ-injected rats. An underlying improvement in synaptic plasticity was observed with MP treatment in 5XFAD mice along with an increased expression of phospho-Akt at serine 473 indicating a role of PI3K/Akt signaling in correcting these synaptic deficits. Thus, our strong experiment-driven approach shows that MP is an incredible combinatorial drug that targets multiple molecular targets with exemplary neuroprotective properties and is proposed for clinical trial.
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Affiliation(s)
- Ramesh Kumar Paidi
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata 700032, India
| | - Sukanya Sarkar
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata 700032, India
| | - Naqiya Ambareen
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata 700032, India; Academy of Scientific and Innovative Research (AcSIR), Headquarters, CSIR-HRDC Campus, Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, India
| | - Subhas Chandra Biswas
- Cell Biology and Physiology Division, CSIR-Indian Institute of Chemical Biology, 4 Raja S. C. Mullick Road, Kolkata 700032, India; Academy of Scientific and Innovative Research (AcSIR), Headquarters, CSIR-HRDC Campus, Sector 19, Kamla Nehru Nagar, Ghaziabad 201002, India.
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Goyal A, Gopika S, Kumar A, Garabadu D. A Comprehensive Review on Preclinical Evidence Based Neuroprotective Potential of Bacopa Monnieri Against Parkinson's Disease. Curr Drug Targets 2022; 23:889-901. [PMID: 35297345 DOI: 10.2174/1389450123666220316091734] [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: 08/21/2021] [Revised: 11/03/2021] [Accepted: 12/30/2021] [Indexed: 11/22/2022]
Abstract
Parkinson's diseaseis a chronic and gradually progressive neurodegenerative disorder triggered due to the loss of dopamine-releasing neurons in the region of substantianigra pars compacta characterized by the motor symptoms such as tremor, bradykinesia, akinesia, and postural instability. Proteinopathies, mitochondrial dysfunction induced dopaminergic neuronal deterioration, and gene mutations arethe hallmarks of Parkinson's disease. The bioactive components of Brahmi such as Bacoside A, Bacoside B, and Bacosaponins, belong to various chemical families. Brahmi's neuroprotective role includes reducing neuronal oxidative stress, dopaminergic neuronal degeneration, mitochondrial dysfunction, inflammation, aggregation inhibition of α-synuclein, and improvement of cognitive and learning behaviour. Researchers found that Bacopa monnieri significantly increased brain levels of glutathione, vitamin C, vitamin E, and vitamin A in rats exposed to cigarette smoke. Brahmi has a potent antioxidant property and neuroprotective effects against PD that help reduce oxidative stress, neuroinflammation and enhance the dopamine level. The review collates all the preclinical studies that prove the beneficial neuroprotective effect of Brahmi for treating PD.
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Affiliation(s)
- Ahsas Goyal
- Institute of Pharmaceutical Research, GLA University 17-Km. stone, NH-2 Mathura-Delhi Highway, P.O. Chaumuhan, Mathura-281406 (U.P.), India
| | - S Gopika
- Institute of Pharmaceutical Research, GLA University 17-Km. stone, NH-2 Mathura-Delhi Highway, P.O. Chaumuhan, Mathura-281406 (U.P.), India
| | - Abhishek Kumar
- Institute of Pharmaceutical Research, GLA University 17-Km. stone, NH-2 Mathura-Delhi Highway, P.O. Chaumuhan, Mathura-281406 (U.P.), India
| | - Debapriya Garabadu
- Department of Pharmacology, School of Health Sciences, Central University of Punjab, Bathinda- 151001, Punjab, India
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Dos Reis Izolan L, Bandiera S, Pulcinelli RR, Nin MS, Almeida FB, Marques D, Fontella FU, de Almeida RF, Leal MB, Gomez R. Low-cost apparatus for cigarette smoke exposure in rats. J Neurosci Methods 2022; 366:109412. [PMID: 34798213 DOI: 10.1016/j.jneumeth.2021.109412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/28/2021] [Accepted: 11/09/2021] [Indexed: 11/19/2022]
Abstract
BACKGROUND The effects of tobacco smoke on the central nervous system are usually studied with isolated nicotine, ignoring other compounds present in cigarette smoke. The few studies that use in vivo whole-body cigarette smoke exposure are usually performed in expensive commercial apparatus. NEW METHOD We presented a feasible, safe, and low-cost apparatus for cigarette smoke exposure in rodents. RESULTS Rats exposed to cigarette smoke in this apparatus showed cotinine levels similar to human active smokers. Additional results showed that cigarette smoke exposure increased glutamate and aspartic acid levels and decreased leucine, isoleucine, ornithine, phenylalanine, and tryptophan levels in the cerebrospinal fluid of rats. COMPARISON WITH EXISTING METHOD(S) Our apparatus is feasible, safe, and costs 67-fold less than a commercial automatized smoking machine. Beyond the low cost, it does not require specialized knowledge for building or maintenance. CONCLUSIONS We concluded that our low-cost apparatus is reliable and reproduces cigarette smoke use in humans.
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Affiliation(s)
| | - Solange Bandiera
- Programa de Pós-graduação em Farmacologia e Terapêutica, UFRGS, Porto Alegre, Brazil
| | | | - Mauricio Schüler Nin
- Programa de Pós‑graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil; Departamento de Farmacologia, Universidade do Rio Grande (FURG), Rio Grande, Brazil
| | - Felipe Borges Almeida
- Programa de Pós‑graduação em Ciências da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, Brazil
| | - Douglas Marques
- Programa de Pós-graduação em Neurociências, UFRGS, Porto Alegre, Brazil
| | - Fernada Urruth Fontella
- Programa de Pós-Graduação em Bioquímica, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
| | - Roberto Farina de Almeida
- Departamento de Ciências Biológicas, Programa de Pós-Graduação em Ciências Biológicas, Universidade Federal de Ouro Preto (UFOP), Ouro Preto, Brazil
| | - Mirna Bainy Leal
- Programa de Pós-graduação em Neurociências, UFRGS, Porto Alegre, Brazil; Programa de Pós-graduação em Farmacologia e Terapêutica, UFRGS, Porto Alegre, Brazil
| | - Rosane Gomez
- Programa de Pós-graduação em Neurociências, UFRGS, Porto Alegre, Brazil; Programa de Pós-graduação em Farmacologia e Terapêutica, UFRGS, Porto Alegre, Brazil.
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12
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Tariq U, Butt MS, Pasha I, Faisal MN. Neuroprotective effects of Olea europaea L. fruit extract against cigarette smoke-induced depressive-like behaviors in Sprague-Dawley rats. J Food Biochem 2021; 45:e14014. [PMID: 34796529 DOI: 10.1111/jfbc.14014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Revised: 10/19/2021] [Accepted: 10/26/2021] [Indexed: 12/01/2022]
Abstract
Depression is broadly acclaimed as a mental health anomaly and despite advancements in the development of antidepressant drugs, they are linked with side effects. Dietary modifications and medicinal plants like olives can be used as effective strategies due to their antioxidant, immune-modulatory, antiinflammatory, and anticonvulsant properties. Considering the compositional alterations in olive fruits during ripening, the antidepressant potential of olive fruits at different degrees of ripeness, that is, un-ripened (green) and ripened (black) was investigated. Rats were randomly divided into five groups: G0 (Normal diet), G1 (Normal diet + smoke exposure (SE), G2 (Normal diet + SE + Citalopram), G3 (Normal diet + SE + Green olive extract), and G4 (Normal diet + SE + Black olive extract). Depressive-like behaviors were induced in all groups through cigarette smoke exposure except G0 . Green and black olive extracts prevented depressive behaviors by reducing the immobility time of rats in forced swim test and tail suspension test while increased the latency to respond in hot plate assay. Moreover, lipid peroxidation in brain tissue was reduced with citalopram, green, and black olive extracts. Additionally, treatments also enhanced the antioxidant pool of brain tissues. Histological examination revealed that olive extracts and citalopram prevented cigarette smoke-induced moderate to severe necrosis and congestion in the brain parenchyma and elucidated antidepressant potential by improving the expression of monoamine oxidase-A, solute carrier family 6 member 4, and brain-derived neurotrophic factor genes. Conclusively, olives may act as a promising antidepressant agent in ameliorating cigarette smoke-induced depressive-like behaviors. PRACTICAL APPLICATIONS: Olive extracts at both ripening stages revealed an antidepressant-like effect almost similar to the standard antidepressant drug and also prevented oxidative damages. Therefore, from the current findings, it can be recommended that food ingredients with antidepressant potential like olives should be incorporated in future interventions to combat depression/psychiatric anomalies and diet therapy should be encouraged to alleviate lifestyle-related disorders.
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Affiliation(s)
- Urwa Tariq
- Faculty of Food Nutrition and Home Sciences, National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | - Masood Sadiq Butt
- Faculty of Food Nutrition and Home Sciences, National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | - Imran Pasha
- Faculty of Food Nutrition and Home Sciences, National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | - Muhammad Naeem Faisal
- Faculty of Veterinary Science, Institute of Pharmacy, Physiology and Pharmacology, University of Agriculture, Faisalabad, Pakistan
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Banerjee S, Anand U, Ghosh S, Ray D, Ray P, Nandy S, Deshmukh GD, Tripathi V, Dey A. Bacosides from Bacopa monnieri extract: An overview of the effects on neurological disorders. Phytother Res 2021; 35:5668-5679. [PMID: 34254371 DOI: 10.1002/ptr.7203] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2020] [Revised: 06/04/2021] [Accepted: 06/08/2021] [Indexed: 12/11/2022]
Abstract
From ancient history, complementary and alternative medicines have played a significant role as holistic therapeutic treatments of various human diseases including cancer, diabetes, neurological diseases, and skin problems. One Indian medicinal plant (herb), Bacopa monnieri has been used in many parts of the world as such medicine, particularly for the treatment of various neurological disorders. It is well known as a potent "tonic for the human brain," which serves as a memory enhancer. Multiple studies proved that this herb contains a plethora of potential bioactive, phytochemical compounds with synergistic properties. The main purpose of the present review is to shed light on the use of Bacopa monnieri and its active principles (bacosides) in the management of neurological disorders. Furthermore, the signaling pathways modulated by bacosides have been critically discussed in this review. Moreover, we have critically summarized the present knowledge of this perennial creeping herb based upon the literature mining from different scientific engines.
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Affiliation(s)
| | - Uttpal Anand
- Department of Life Sciences and the National Institute for Biotechnology in the Negev, Ben-Gurion University of the Negev, Beer-Sheva, Israel
| | - Suchhanda Ghosh
- Department of Botany, Shri Shikshayatan College, Kolkata, India
| | - Durga Ray
- Department of Microbiology, Pusan National University, Busan, South Korea
| | - Puja Ray
- Department of Life Sciences, Presidency University, Kolkata, India
| | - Samapika Nandy
- Department of Life Sciences, Presidency University, Kolkata, India
| | - Ganpat Dewaji Deshmukh
- Department of Zoology, Rashtrapita Mahatma Gandhi Arts & Science College, Nagbhid, India
| | - Vijay Tripathi
- Department of Molecular and Cellular Engineering, Jacob Institute of Biotechnology and Bioengineering, Sam Higginbottom University of Agriculture, Technology and Sciences, Prayagraj, India
| | - Abhijit Dey
- Department of Life Sciences, Presidency University, Kolkata, India
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14
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Rehman MU, Ali N, Jamal M, Kousar R, Ishaq M, Awan AA, Hussain I, Sherkheli MA, Ul Haq R. Comparison of acute and chronic effects of Bacopa monnieri, Ginkgo biloba, and Lavandula angustifolia and their mixture on learning and memory in mice. Phytother Res 2021; 35:2703-2710. [PMID: 33429454 DOI: 10.1002/ptr.7016] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 12/09/2020] [Accepted: 12/28/2020] [Indexed: 11/06/2022]
Abstract
Forty-seven million people are living with memory-related disorders worldwide. Phytomedicines are gaining extensive interest in the treatment of these ailments. Memory-enhancing (acute and chronic) potentials of commercial grade extracts of Bacopa monnieri (200 mg/kg, po), Ginkgo biloba (150 mg/kg, po), and Lavandula angustifolia (200 mg/kg, po) and their mixture (B. monnieri 100 mg/kg, G. biloba 75 mg/kg, and L. angustifolia 100 mg/kg, po) were compared for their synergistic/additive effects on the Morris water maze (MWM) test and elevated plus maze (EPM) test in scopolamine-induced amnesia in mice. Escape latency and accumulative path length were significantly reduced both in acute (up to day 6) and chronic trials (days 8-14) in B. monnieri-, G. biloba-, and L. angustifolia-treated animals and their mixtures (n = 8, p < .05) in MWM. Furthermore, in probe trials (acute on day 7 and chronic on day 15), the number of crossing-overs at platform position and time spent in platform quadrant were significantly increased, while transfer latency in EPM was decreased in treated animals as compared to the saline group (n = 8, p < .05). The mixture showed synergistic effects on memory enhancement as compared to each extract individually in mice. Further studies may be carried out on the active compounds of B. monnieri at the cellular and molecular levels.
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Affiliation(s)
- Mujeeb Ur Rehman
- Department of Pharmaceutical Sciences, Abbottabad University of Science & Technology, Abbottabad, Pakistan
- Department of Pharmacology, IBMS, Khyber Medical University, Peshawar, Pakistan
- Department of Pharmacy, Quaid-i-Azam University, Islamabad, Pakistan
| | - Niaz Ali
- Department of Pharmacology, IBMS, Khyber Medical University, Peshawar, Pakistan
| | - Muhammad Jamal
- Department of Pharmaceutical Sciences, Abbottabad University of Science & Technology, Abbottabad, Pakistan
| | - Rehana Kousar
- Department of Botany, Faculty of Sciences, Pir Mehr Ali Shah Arid Agriculture University Rawalpindi, Rawalpindi, Pakistan
| | - Muhammad Ishaq
- Department of Community Medicine, Saidu Medical College, Saidu Sharif, Pakistan
| | - Abdul Aleem Awan
- Department of Pharmaceutical Sciences, Abbottabad University of Science & Technology, Abbottabad, Pakistan
| | - Iftekhar Hussain
- Department of Pharmaceutical Sciences, Abbottabad University of Science & Technology, Abbottabad, Pakistan
| | - Muhammad Azhar Sherkheli
- Department of Pharmaceutical Sciences, Abbottabad University of Science & Technology, Abbottabad, Pakistan
| | - Rizwan Ul Haq
- Department of Pharmaceutical Sciences, Abbottabad University of Science & Technology, Abbottabad, Pakistan
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15
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Neuroprotection with Bacopa monnieri-A review of experimental evidence. Mol Biol Rep 2021; 48:2653-2668. [PMID: 33675463 DOI: 10.1007/s11033-021-06236-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/26/2020] [Accepted: 02/12/2021] [Indexed: 01/17/2023]
Abstract
Brahmi or aindri is a popular herb in the vast and rich compendium of herbs of Ayurveda and is botanically identified as Bacopa monnieri Linn. (BM). It is extensively used in Ayurveda and other traditional systems of medicine in the management of neurological psychiatric disorders. BM possess active principles belonging to alkaloids, glycosides, flavonoids, saponins categories. Numerous research have been undertaken across the globe to evaluate the neuroprotective potential of this herb. This review collates and summarises current (as on May 2020) published literature on Brahmi as a neuroprotective in neurological and psychiatric disorders. English language articles from databases PubMed, Scopus and Google scholar were searched using appropriate free keywords and MeSH terms related to the topic. The review demonstrates the neuroprotective potential of the Ayurveda herb Brahmi in several disorders including Alzheimer's disease, epilepsy, Parkinson's disease, Huntington's disease, cerebral ischemia and infarct and neoplasms.
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16
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Nobari H, Nejad HA, Kargarfard M, Mohseni S, Suzuki K, Carmelo Adsuar J, Pérez-Gómez J. The Effect of Acute Intense Exercise on Activity of Antioxidant Enzymes in Smokers and Non-Smokers. Biomolecules 2021; 11:biom11020171. [PMID: 33513978 PMCID: PMC7910903 DOI: 10.3390/biom11020171] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 01/25/2021] [Accepted: 01/25/2021] [Indexed: 12/12/2022] Open
Abstract
Acute intense exercise causes significant oxidative stress and consequently an increase in total antioxidant capacity; however, the mechanisms and combined effects of intense exercise and smoking on oxidative stress among active and non-active smokers are not clear. The aim of this study was to investigate the effect of acute intense exercise on antioxidant enzyme activity responses in active and non-active individuals exposed to cigarette smoke. The study included 40 subjects who were equally classified as: smokers that did exercise (SE), smokers that did not do exercise (SnE), non-smokers that did exercise (NSE), and non-smokers that did not do exercise (NSnE). The adjusted Astrand test was used to exhaust the subjects. Salivary enzymes of peroxidase (POX), catalase (CAT), and superoxide dismutase (SOD) were measured, by spectrophotometry methods, at 3 different time points: pre-test (TP1), post-test (TP2), and one hour after finishing the test (TP3). Significant (p < 0.05) group x time interactions were found for the three enzymes. Salivary POX, CAT and SOD increased in all groups from TP1 to TP2 and decreased from TP2 to TP3. Only the NSE showed a significant difference between TP1 to TP3 in POX and SOD by +0.011 ± 0.007 and +0.075 ± 0.020 (U/mL), respectively. The NSE showed significantly higher activity of POX, CAT and SOD in TP2 compared to the other groups. Furthermore, NSE and NSnE had higher activity of POX, CAT and SOD in TP1 and TP3 (p < 0.05) compared with SE and SnE. Only in the NSnE, were no differences observed in CAT compared with SE and SnE in TP3. These results showed that the antioxidant activity at rest and in the recovery time after the acute intense exercise was lower in SE and SnE compared with NSE and NSnE, suggesting that smoking habit may reduce the ameliorating effect of regular physical activity on acute exercise-induced oxidative stress.
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Affiliation(s)
- Hadi Nobari
- Department of Exercise Physiology, Faculty of Sport Sciences, University of Isfahan, Isfahan 81746-7344, Iran;
- HEME Research Group, Faculty of Sport Sciences, University of Extremadura, 10003 Cáceres, Spain; (J.C.A.); (J.P.-G.)
- Correspondence: (H.N.); (K.S.)
| | - Hamzeh Abdi Nejad
- Department of Exercise Physiology, University of Guilan, Rasht 4199843653, Iran;
| | - Mehdi Kargarfard
- Department of Exercise Physiology, Faculty of Sport Sciences, University of Isfahan, Isfahan 81746-7344, Iran;
| | - Soghra Mohseni
- Department of Exercise Physiology, Faculty of Sport Sciences, Kharazmi University, Tehran 14911-15719, Iran;
| | - Katsuhiko Suzuki
- Faculty of Sport Sciences, Waseda University, Saitama 359-1192, Japan
- Correspondence: (H.N.); (K.S.)
| | - José Carmelo Adsuar
- HEME Research Group, Faculty of Sport Sciences, University of Extremadura, 10003 Cáceres, Spain; (J.C.A.); (J.P.-G.)
| | - Jorge Pérez-Gómez
- HEME Research Group, Faculty of Sport Sciences, University of Extremadura, 10003 Cáceres, Spain; (J.C.A.); (J.P.-G.)
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17
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Kiani AK, Miggiano GAD, Aquilanti B, Velluti V, Matera G, Gagliardi L, Bertelli M. Food supplements based on palmitoylethanolamide plus hydroxytyrosol from olive tree or Bacopa monnieri extracts for neurological diseases. ACTA BIO-MEDICA : ATENEI PARMENSIS 2020; 91:e2020007. [PMID: 33170159 PMCID: PMC8023129 DOI: 10.23750/abm.v91i13-s.10582] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Accepted: 09/17/2020] [Indexed: 12/19/2022]
Abstract
Neurological disorders like Parkinson disease and Alzheimer disease, spinal cord injury and stroke have some recurrent characteristics such as abnormal protein aggregation, oxidative stress induction, apoptosis, excitotoxicity, perturbation of intracellular Ca2+ homeostasis and inflammation. To date, there are few effective treatments available and the drugs currently used to manage the symptoms have important side effects. Therefore, research studies are focusing on natural phytochemicals present in diet as bioactive molecules potentially useful against neurodegenerative diseases. In this review, we will discuss the neuroprotective role of palmitoylethanolamide, hydroxytyrosol, and Bacopa monnieri extracts against neuroinflammation and neurodegeneration, thereby revealing their remarkable potential as novel therapeutic options for the treatment of neurodegenerative disorders.
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Affiliation(s)
| | | | - Barbara Aquilanti
- UOC Nutrizione Clinica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
| | - Valeria Velluti
- UOC Nutrizione Clinica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
| | - Giuseppina Matera
- UOC Nutrizione Clinica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
| | - Lucilla Gagliardi
- UOC Nutrizione Clinica, Fondazione Policlinico Universitario A. Gemelli IRCCS, Rome, Italy.
| | - Matteo Bertelli
- MAGI EUREGIO, Bolzano, Italy; MAGI'S LAB, Rovereto (TN), Italy; EBTNA-LAB, Rovereto (TN), Italy.
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18
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Ramesh T. Osteogenic differentiation potential of human bone marrow-derived mesenchymal stem cells enhanced by bacoside-A. Cell Biochem Funct 2020; 39:148-158. [PMID: 33137853 DOI: 10.1002/cbf.3596] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2020] [Revised: 09/30/2020] [Accepted: 10/07/2020] [Indexed: 01/18/2023]
Abstract
Stem cell therapy is growing rapidly to treat numerous diseases including bone-associated diseases. Mesenchymal stem cells (MSCs) are most commonly preferred to treat bone diseases because it possesses high osteogenic potency. Though, to obtain maximum osteogenic efficiency of MSCs is challenging. Therefore, this study was planned to evaluate the osteogenic efficiency of human bone marrow derived mesenchymal stem cells (hBMSCs) by bacoside-A. This study was investigated the activity of alkaline phosphatase (ALP) and expressions of the genes specific to osteogenic regulation mainly runt-related transcription factor 2 (Runx2), osterix (Osx), osteocalcin (OCN) and collagen type Iα1 (Col I α1) in hBMSCs cultured under osteogenic conditions at different concentrations of bacoside-A for 14 days. The results of this study depicted significant upregulation in the activity of ALP and expressions of osteogenic regulator genes in bacoside-A treated cells when compared with control cells. Besides, expressions of glycogen synthase kinase-3β (GSK-3β) and Wnt/β-catenin were evaluated; these expressions were also significantly increased in bacoside-A treated cells when compared with control cells. This result provides a further supporting evidence of bacoside-A role on osteogenesis in hBMSCs. The present study suggest that bacoside-A will be applied to ameliorate the process of osteogenesis in hBMSCs to repair damaged bone structure during MSC-based therapy; this will be an excellent and auspicious treatment for bone-associated disorders including osteoporosis. Significance of the study Osteoporosis is a bone metabolic disorder characterized by an imbalance between the activity of osteoblastic bone formation and osteoclastic bone resorption that disrupts the bone microarchitecture. Current anti-osteoporotic drugs are inhibiting bone resorption, but they are unable to restore the bone structure due to extreme bone remodelling process and causes numerous side effects. The finding of natural bioactive compounds with osteogenic property is very essential for osteoporosis treatment. This study was reported that bacoside-A ameliorated osteogenic differentiation of hBMSCs through upregulation of osteogenic differentiation genes and Wnt/β-catenin signalling pathway. This result is indicating that bacoside-A may be useful for osteoporosis treatments.
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Affiliation(s)
- Thiyagarajan Ramesh
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Kingdom of Saudi Arabia
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19
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Bhandari P, Sendri N, Devidas SB. Dammarane triterpenoid glycosides in Bacopa monnieri: A review on chemical diversity and bioactivity. PHYTOCHEMISTRY 2020; 172:112276. [PMID: 32058865 DOI: 10.1016/j.phytochem.2020.112276] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2019] [Revised: 01/11/2020] [Accepted: 01/13/2020] [Indexed: 06/10/2023]
Abstract
Bacopa monnieri (L.) is a reputed medicinal herb in traditional system of medicine of India, where it is used as nervine tonic to sharpen intellect and memory. This review discusses chemical characterization of dammarane triterpenoid glycosides which are well accepted for improvement in memory and for potential pharmacological activities. In addition, this review provides information on the chemical composition of specialized metabolites of B. monnieri and in the formulations by different analytical techniques. This comprehensive review covers literature up to 2019 with an emphasis on structural characterization of dammarane triterpenoid glycosides by spectroscopic techniques, chemical composition by analytical methods and pharmacological activities.
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Affiliation(s)
- Pamita Bhandari
- Natural Product Chemistry & Process Development, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India.
| | - Nitisha Sendri
- Natural Product Chemistry & Process Development, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
| | - Shinde Bhagatsing Devidas
- Natural Product Chemistry & Process Development, CSIR-Institute of Himalayan Bioresource Technology, Palampur, India
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Cardenas VA, Hough CM, Durazzo TC, Meyerhoff DJ. Cerebellar Morphometry and Cognition in the Context of Chronic Alcohol Consumption and Cigarette Smoking. Alcohol Clin Exp Res 2019; 44:102-113. [PMID: 31730240 DOI: 10.1111/acer.14222] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 10/12/2019] [Accepted: 10/16/2019] [Indexed: 11/30/2022]
Abstract
BACKGROUND Cerebellar atrophy (especially involving the superior-anterior cerebellar vermis) is among the most salient and clinically significant effects of chronic hazardous alcohol consumption on brain structure. Smaller cerebellar volumes are also associated with chronic cigarette smoking. The present study investigated effects of both chronic alcohol consumption and cigarette smoking on cerebellar structure and its relation to performance on select cognitive/behavioral tasks. METHODS Using T1-weighted Magnetic Resonance Images (MRIs), the Cerebellar Analysis Tool Kit segmented the cerebellum into bilateral hemispheres and 3 vermis parcels from 4 participant groups: smoking (s) and nonsmoking (ns) abstinent alcohol-dependent treatment seekers (ALC) and controls (CON) (i.e., sALC, nsALC, sCON, and nsCON). Cognitive and behavioral data were also obtained. RESULTS We found detrimental effects of chronic drinking on all cerebellar structural measures in ALC participants, with largest reductions seen in vermis areas. Furthermore, both smoking groups had smaller volumes of cerebellar hemispheres but not vermis areas compared to their nonsmoking counterparts. In exploratory analyses, smaller cerebellar volumes were related to lower measures of intelligence. In sCON, but not sALC, greater smoking severity was related to smaller cerebellar volume and smaller superior-anterior vermis area. In sALC, greater abstinence duration was associated with larger cerebellar and superior-anterior vermis areas, suggesting some recovery with abstinence. CONCLUSIONS Our results show that both smoking and alcohol status are associated with smaller cerebellar structural measurements, with vermal areas more vulnerable to chronic alcohol consumption and less affected by chronic smoking. These morphometric cerebellar deficits were also associated with lower intelligence and related to duration of abstinence in sALC only.
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Affiliation(s)
- Valerie A Cardenas
- From the, Center for Imaging of Neurodegenerative Diseases (CIND), (VAC, CMH, DJM), San Francisco VA Medical Center, San Francisco, California
| | - Christina M Hough
- From the, Center for Imaging of Neurodegenerative Diseases (CIND), (VAC, CMH, DJM), San Francisco VA Medical Center, San Francisco, California.,Department of Psychiatry, (CMH), UCSF Weill Institute for Neurosciences, University of California, San Francisco, San Francisco, California.,Department of Psychology, (CMH), University of California, Los Angeles, Los Angeles, California
| | - Timothy C Durazzo
- VA Palo Alto Health Care System, (TCD), Mental Illness Research and Education Clinical Centers, Sierra-Pacific War Related Illness and Injury Study Center, Palo Alto, California.,Department of Psychiatry and Behavioral Sciences, (TCD), Stanford University School of Medicine, Stanford, California
| | - Dieter J Meyerhoff
- From the, Center for Imaging of Neurodegenerative Diseases (CIND), (VAC, CMH, DJM), San Francisco VA Medical Center, San Francisco, California.,Department of Radiology and Biomedical Imaging, (DJM), University of California San Francisco, San Francisco, California
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Sekhar VC, Viswanathan G, Baby S. Insights Into the Molecular Aspects of Neuroprotective Bacoside A and Bacopaside I. Curr Neuropharmacol 2019; 17:438-446. [PMID: 29676230 PMCID: PMC6520587 DOI: 10.2174/1570159x16666180419123022] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 03/19/2018] [Accepted: 04/18/2018] [Indexed: 12/29/2022] Open
Abstract
Bacopa monnieri, commonly known as Brahmi, has been extensively used as a neuromedicine for various disorders such as anxiety, depression and memory loss. Chemical characterization studies revealed the major active constituents of the herb as the triterpenoid saponins, bacosides. Bacoside A, the vital neuroprotective constituent, is composed of four constituents viz., bacoside A3, bacopaside II, jujubogenin isomer of bacopasaponin C (bacopaside X) and bacopasaponin C. B. monnieri extracts as well as bacosides successfully establish a healthy antioxidant environment in various tissues especially in the liver and brain. Free radical scavenging, suppression of lipid peroxidation and activation of antioxidant enzymes by bacosides help to attain a physiological state of minimized oxidative stress. The molecular basis of neuroprotective activity of bacosides is attributed to the regulation of mRNA translation and surface expression of neuroreceptors such as AMPAR, NMDAR and GABAR in the various parts of the brain. Bioavailability as well as binding of neuroprotective agents (such as bacosides) to these receptors is controlled by the Blood Brain Barrier (BBB). However, nano conversion of these drug candidates easily resolves the BBB restriction and carries a promising role in future therapies. This review summarizes the neuroprotective functions of B. monnieri extracts as well as its active compounds (bacoside A, bacopaside I) and the molecular mechanisms responsible for these pharmacological activities.
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Affiliation(s)
- Vini C Sekhar
- Phytochemistry and Phytopharmacology Division, Jawaharlal Nehru Tropical Botanic Garden and Research Institute, Pacha-Palode 695562, Thiruvananthapuram, Kerala, India
| | - Gayathri Viswanathan
- Phytochemistry and Phytopharmacology Division, Jawaharlal Nehru Tropical Botanic Garden and Research Institute, Pacha-Palode 695562, Thiruvananthapuram, Kerala, India
| | - Sabulal Baby
- Phytochemistry and Phytopharmacology Division, Jawaharlal Nehru Tropical Botanic Garden and Research Institute, Pacha-Palode 695562, Thiruvananthapuram, Kerala, India
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Kamkaew N, Paracha TU, Ingkaninan K, Waranuch N, Chootip K. Vasodilatory Effects and Mechanisms of Action of Bacopa monnieri Active Compounds on Rat Mesenteric Arteries. Molecules 2019; 24:E2243. [PMID: 31208086 PMCID: PMC6630913 DOI: 10.3390/molecules24122243] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 06/07/2019] [Accepted: 06/11/2019] [Indexed: 12/17/2022] Open
Abstract
B. monnieri extract (BME) is an abundant source of bioactive compounds, including saponins and flavonoids known to produce vasodilation. However, it is unclear which components are the more effective vasodilators. The aim of this research was to investigate the vasorelaxant effects and mechanisms of action of saponins and flavonoids on rat isolated mesenteric arteries using the organ bath technique. The vasorelaxant mechanisms, including endothelial nitric oxide synthase (eNOS) pathway and calcium flux were examined. Saponins (bacoside A and bacopaside I), and flavonoids (luteolin and apigenin) at 0.1-100 µM caused vasorelaxation in a concentration-dependent manner. Luteolin and apigenin produced vasorelaxation in endothelial intact vessels with more efficacy (Emax 99.4 ± 0.7 and 95.3 ± 2.6%) and potency (EC50 4.35 ± 1.31 and 8.93 ± 3.33 µM) than bacoside A and bacopaside I (Emax 83.6 ± 2.9 and 79.9 ± 8.2%; EC50 10.8 ± 5.9 and 14.6 ± 5.4 µM). Pretreatment of endothelial intact rings, with L-NAME (100 µM); an eNOS inhibitor, or removal of the endothelium reduced the relaxant effects of all compounds. In K+-depolarised vessels suspended in Ca2+-free solution, these active compounds inhibited CaCl2-induced contraction in endothelial denuded arterial rings. Moreover, the active compounds attenuated transient contractions induced by 10 µM phenylephrine in Ca2+-free medium containing EGTA (1 mM). Thus, relaxant effects occurred in both endothelial intact and denuded vessels which signify actions through both endothelium and vascular smooth muscle cells. In conclusion, the flavonoids have about twice the potency of saponins as vasodilators. However, in the BME, there is ~20 × the amount of vaso-reactive saponins and thus are more effective.
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Affiliation(s)
- Natakorn Kamkaew
- Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand.
- Division of Physiology, School of Medical Sciences, University of Phayao, Phayao 56000, Thailand.
| | - Tamkeen Urooj Paracha
- Department of Pharmacy Practice, Faculty of Pharmaceutical Sciences, Naresuan University, Phitsanulok 65000, Thailand.
| | - Kornkanok Ingkaninan
- Department of Pharmaceutical Chemistry and Pharmacognosy, Faculty of Pharmaceutical Sciences and Center of Excellence for Innovation in Chemistry, Naresuan University, Phitsanulok 65000, Thailand.
| | - Neti Waranuch
- Cosmetics and Natural Products Research Center, Department of Pharmaceutical Technology and Center of Excellence for Innovation in Chemistry, Faculty of Pharmaceutical Sciences, Naresuan University, Phitsanulok 65000, Thailand.
| | - Krongkarn Chootip
- Department of Physiology, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand.
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Muthuraman A, Nafisa K, Sowmya MS, Arpitha BM, Choedon N, Sandy CD, Rishitha N, Johurul I. Role of ambrisentan (selective endothelin-A receptor antagonist) on cigarette smoke exposure induced cognitive impairment in Danio rerio. Life Sci 2019; 222:133-139. [DOI: 10.1016/j.lfs.2019.03.002] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 02/18/2019] [Accepted: 03/03/2019] [Indexed: 12/15/2022]
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Tirumanyam M, Nadella R, Kondammagari S, Borelli DPR, Nannepaga JS. Bacopa phospholipid complex retrieves aluminum maltolate complex-induced oxidative stress and apoptotic alterations in the brain regions of albino rat. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:12071-12079. [PMID: 30827024 DOI: 10.1007/s11356-019-04624-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2018] [Accepted: 02/19/2019] [Indexed: 06/09/2023]
Abstract
Highly bioavailable plant phospholipid complex that can reverse aluminum maltolate (AlM)-induced toxicity is not yet reported. Hence, the present study was planned to investigate the impact of oxidative stress and apoptotic changes provoked by Al and ameliorative role of Bacopa phospholipid complex (BPC) in albino rats. The levels of antioxidant enzymes such as superoxide dismutase (SOD), catalase activity (CAT), glutathione peroxidase (GPx), and thiobarbituric acid-reactive substance (TBA-RS) were measured and immunohistochemistry analysis of apoptotic markers, Bax and Bcl-2, was done from the four brain regions such as the hippocampus, cerebral cortex, cerebellum, and medulla oblongata. The levels of antioxidant enzymes and apoptotic markers that were decreased on AlM induction showed a significant increase in their levels, almost as observed in the control, when treated with BPC and Bm. Our results indicate that both BPC and Bm showed a therapeutic effect against AlM toxicity; however, it was found that the therapeutic potential of BPC was more pronounced than Bm against AlM-induced neurotoxicity.
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Affiliation(s)
- Madhavi Tirumanyam
- Department of Biotechnology, Sri Padmavati Mahila Visvavidyalayam (Women's University), Tirupati, Andhra Pradesh, 517 502, India
| | - Rasajna Nadella
- Department of Biological Sciences, IIIT-Srikakulam, Etcherla, 532 410, India
| | - Saritha Kondammagari
- Department of Biotechnology, Sri Padmavati Mahila Visvavidyalayam (Women's University), Tirupati, Andhra Pradesh, 517 502, India
| | | | - John Sushma Nannepaga
- Department of Biotechnology, Sri Padmavati Mahila Visvavidyalayam (Women's University), Tirupati, Andhra Pradesh, 517 502, India.
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A. Quinteros D, Witt Hansen A, Bellaver B, Bobermin LD, R. Pulcinelli R, Bandiera S, Caletti G, Bitencourt PER, Quincozes-Santos A, Gomez R. Combined Exposure to Alcohol and Tobacco Smoke Changes Oxidative, Inflammatory, and Neurotrophic Parameters in Different Areas of the Brains of Rats. ACS Chem Neurosci 2019; 10:1336-1346. [PMID: 30653286 DOI: 10.1021/acschemneuro.8b00412] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Devastating effects of exposure to alcohol and tobacco smoke on health are extensively reported in the literature. However, few studies have attempted to elucidate the consequences of their combined use on the central nervous system. Here we studied the effect of this combined use on some oxidative, inflammatory, and neurotrophic parameters in the hippocampus, striatum, and frontal cortex of rats. Adult Wistar rats were allocated into control (CT), alcohol (AL), tobacco smoke (TB), or combined (ALTB) groups. Rats were exposed to environmental air (CT and AL groups) or to the smoke from six cigarettes (TB and ALTB groups) immediately after tap water (CT and TB) or 2 g of alcohol/kg (AL and ALTB) oral gavage administration, twice a day, for 4 weeks. On day 28, rats were euthanized and areas of the brain were dissected to evaluate some cellular redox parameters, pro-inflammatory cytokine levels, and brain-derived neurotrophic factor (BDNF) levels. A one-way analysis of variance showed that the ALTB combined treatment significantly increased oxidative stress levels in the hippocampus. ALTB also increased interleukin-1β levels in the striatum and frontal cortex and tumoral necrosis factor-α levels in the frontal cortex compared with those of AL, TB, and CT rats. Combined treatment also decreased the BDNF levels in the frontal cortex of rats. Oxidative damage was found, more importantly, in the hippocampus, and inflammatory parameters were extended to all areas of the brain that were studied. Our results showed an interaction between alcohol and tobacco smoke according to the area of the brain, suggesting an additional risk of neural damage in alcoholics who smoke.
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Affiliation(s)
- Dayane A. Quinteros
- Programa de Pós-Graduação em Ciência Biológicas: Farmacologia e Terapêutica (PPGFT), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90040-060, Brazil
| | - Alana Witt Hansen
- Programa de Pós-Graduação em Ciência Biológicas: Farmacologia e Terapêutica (PPGFT), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90040-060, Brazil
| | - Bruna Bellaver
- Programa de Pós-Graduação em Ciência Biológicas: Bioquímica, UFRGS, Porto Alegre 90050-170, Brazil
| | - Larissa D. Bobermin
- Programa de Pós-Graduação em Ciência Biológicas: Bioquímica, UFRGS, Porto Alegre 90050-170, Brazil
| | - Rianne R. Pulcinelli
- Programa de Pós-Graduação em Ciência Biológicas: Farmacologia e Terapêutica (PPGFT), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90040-060, Brazil
| | - Solange Bandiera
- Programa de Pós-Graduação em Ciência Biológicas: Farmacologia e Terapêutica (PPGFT), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90040-060, Brazil
| | - Greice Caletti
- Programa de Pós-Graduação em Ciência Biológicas: Farmacologia e Terapêutica (PPGFT), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90040-060, Brazil
| | - Paula E. R. Bitencourt
- Programa de Pós-Graduação em Ciência Biológicas: Farmacologia e Terapêutica (PPGFT), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90040-060, Brazil
| | - André Quincozes-Santos
- Programa de Pós-Graduação em Ciência Biológicas: Bioquímica, UFRGS, Porto Alegre 90050-170, Brazil
| | - Rosane Gomez
- Programa de Pós-Graduação em Ciência Biológicas: Farmacologia e Terapêutica (PPGFT), Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre 90040-060, Brazil
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Xiao G, Peng L, Liu Y, Xiao X. Bacoside a Attenuates Nephrotoxicity and Acute Kidney Injury in Male Albino Rats Induced by Cisplatin. INT J PHARMACOL 2019. [DOI: 10.3923/ijp.2019.257.264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Aithal MGS, Rajeswari N. Bacoside A Induced Sub-G0 Arrest and Early Apoptosis in Human Glioblastoma Cell Line U-87 MG through Notch Signaling Pathway. Brain Tumor Res Treat 2019; 7:25-32. [PMID: 31062528 PMCID: PMC6504756 DOI: 10.14791/btrt.2019.7.e21] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2018] [Revised: 10/20/2018] [Accepted: 12/10/2018] [Indexed: 12/31/2022] Open
Abstract
Background Glioblastoma multiforme (GBM) is a highly malignant brain tumor with a worst prognosis of less than one year despite advance treatment facilities. Among various signaling pathway genes displaying genetic modifications, aberrant expression of Notch pathway genes is frequent in GBM offering novel therapeutic targets. Herbal extracts having anticancer properties are used in adjuvant therapy that is safe and affordable as compared to chemotherapeutics. Bacopa monnieri has been used for the development of brain cells because of its neuroprotective properties. Its anticancer properties have shown to be promising in cancer treatment. Methods The anticancer properties of Bacoside A, an active and abundant component of Bacopa monnieri was assessed on U-87 MG cell line and its effects on expression of Notch pathway genes were studied. Cell cycle arrest and apoptosis were studied using flow cytometry. Expression of Notch pathway genes comprising of Notch receptors (notch1, notch2, notch3 and notch4), ligands (jagged1 and jagged2), a component of gamma-secretase complex (APH1A) and downstream target (HES1) were evaluated by quantitative real-time PCR. Results Bacoside A exhibited considerable cytotoxicity on U-87 MG cells inducing cell cycle arrest and apoptosis. Cell cycle analysis revealed a significant arrest of 39.21% cells in sub-G0 phase at 80 µg/mL concentration, increasing to 53.21% at a higher concentration of 100 µg/mL. The fraction of early apoptotic cells in control was low (3.48%) that increased substantially to 31.36% and 41.11% after 80 µg/mL and 100 µg/mL of Bacoside A treatment respectively. Additionally, the expression of notch1 gene decreased after exposure to Bacoside A with a fold change of 0.05, whereas HES1 gene expression was increased by 25 fold. Conclusion These data indicate that Bacoside A has a possible anticancer activity that could be inducing cell cycle arrest and apoptosis through Notch pathway in GBM in vitro.
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Affiliation(s)
- Madhuri G S Aithal
- Department of Biotechnology, Dayananda Sagar College of Engineering, Bangalore, India
| | - Narayanappa Rajeswari
- Department of Biotechnology, Dayananda Sagar College of Engineering, Bangalore, India.
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Gu YJ, He CH, Li S, Zhang SY, Duan SY, Sun HP, Shen YP, Xu Y, Yin JY, Pan CW. Tea consumption is associated with cognitive impairment in older Chinese adults. Aging Ment Health 2018. [PMID: 28636413 DOI: 10.1080/13607863.2017.1339779] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
OBJECTIVE To explore the association between tea consumption and cognitive impairment (CoI). METHODS 4579 adults (≥60 years) from the Weitang Geratric Diseases Study were assessed for characteristics of tea consumption and cognitive function by administering questionnaires and the Abbreviated Mental Test (AMT), respectively. We divided the subjects into normal cognitive function group (AMT score ≥8) and CoI group (AMT score ≤7). The association between tea consumption and risk of CoI was determined by logistic regression models. RESULTS The least-squared means of the AMT scores for the subjects who seldom consumed tea were less favorable than those who habitually consumed tea. An inverse association was found between tea consumption (of any type) and prevalence of CoI (odds ratio = 0.74, 95% confidence interval = 0.57-0.98, P = 0.032). Interestingly, the protective correlation of tea was more obvious in never smokers (odds ratio = 0.63), but vanished in current/former smokers (odds ratio = 1.10). In never smokers, frequency of tea consumption was significantly associated with CoI (P for trend = 0.010). CONCLUSION Habitual tea consumption is suggested to be associated with a decreased risk of CoI among elders in Suzhou, and a higher frequency of tea consumption was associated with a lower prevalence of CoI among never smokers.
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Affiliation(s)
- Ying-Jie Gu
- a Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health , Medical College of Soochow University , 199 Ren Ai Road, Suzhou , China.,b School of Basic Medicine , Medical College of Soochow University , 199 Ren Ai Road, Suzhou , China
| | - Chun-Hong He
- a Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health , Medical College of Soochow University , 199 Ren Ai Road, Suzhou , China.,b School of Basic Medicine , Medical College of Soochow University , 199 Ren Ai Road, Suzhou , China
| | - Su Li
- b School of Basic Medicine , Medical College of Soochow University , 199 Ren Ai Road, Suzhou , China
| | - Shu-Yi Zhang
- a Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health , Medical College of Soochow University , 199 Ren Ai Road, Suzhou , China
| | - Sheng-Yu Duan
- c Health supervision institute of Xiangcheng , No.55 Yangchenghu Road, Suzhou , China
| | - Hong-Peng Sun
- a Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health , Medical College of Soochow University , 199 Ren Ai Road, Suzhou , China
| | - Yue-Ping Shen
- a Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health , Medical College of Soochow University , 199 Ren Ai Road, Suzhou , China
| | - Yong Xu
- a Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health , Medical College of Soochow University , 199 Ren Ai Road, Suzhou , China
| | - Jie-Yun Yin
- a Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health , Medical College of Soochow University , 199 Ren Ai Road, Suzhou , China
| | - Chen-Wei Pan
- a Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health , Medical College of Soochow University , 199 Ren Ai Road, Suzhou , China
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Farhat Z, Browne RW, Bonner MR, Tian L, Deng F, Swanson M, Mu L. How do glutathione antioxidant enzymes and total antioxidant status respond to air pollution exposure? ENVIRONMENT INTERNATIONAL 2018; 112:287-293. [PMID: 29324239 PMCID: PMC5899033 DOI: 10.1016/j.envint.2017.12.033] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/13/2017] [Revised: 12/20/2017] [Accepted: 12/20/2017] [Indexed: 05/02/2023]
Abstract
This study aims to investigate how antioxidant enzyme activity and overall antioxidant capacity respond to short-term changes in exposure to air pollution. 201 participants were recruited before- and followed up during- and after- the 2008 Beijing Olympics. Serum levels of antioxidant enzymes including glutathione S-transferases (GST), glutathione peroxidase (GPx), glutathione reductase (GR), and total antioxidant status (TAS) were measured. We used linear mixed-effects models to compare changes in antioxidant enzymes across the three periods after adjusting for potential confounding factors. Among all participants, glutathione peroxidase (GPx) levels decreased by 12.0% when air pollution dropped by 50-60% during the Olympics and increased by 6.5% when air pollution levels rose after the Olympics. The magnitude of increase among males, smokers, and older individuals was relatively smaller compared to females, nonsmokers, and younger individuals. Among all participants, total antioxidant status (TAS) significantly decreased by 6.23% during the games and continued to decrease by 4.41% after the games. However, among females, nonsmokers, and younger participants, there was an increase in TAS response to the elevated air pollution levels. Our study observed strong responses in GPx and TAS levels to the short-term decrease and increase of air pollution levels and responses varied among subgroups.
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Affiliation(s)
- Zeinab Farhat
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, State University of New York, Buffalo, NY, USA
| | - Richard W Browne
- Department of Biotechnical and Clinical Laboratory Sciences, Jacobs School of Medicine and Biomedical Sciences, University at Buffalo, State University of New York, Buffalo, NY, USA
| | - Matthew R Bonner
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, State University of New York, Buffalo, NY, USA
| | - Lili Tian
- Department of Biostatistics, School of Public Health and Health Professions, University at Buffalo, State University of New York, Buffalo, NY, USA
| | - Furong Deng
- Furong Deng, Department of Occupational & Environmental Health, School of Public Health, Peking University, Beijing, China
| | - Mya Swanson
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, State University of New York, Buffalo, NY, USA
| | - Lina Mu
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, University at Buffalo, State University of New York, Buffalo, NY, USA.
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Lee SB, Kim JH, Cho MH, Choe ES, Kim KS, Shim SM. Impact of commercial cigarette smoke condensate on brain tissue co-cultured with astrocytes and blood-brain barrier endothelial cells. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2017; 80:533-541. [PMID: 28854057 DOI: 10.1080/15287394.2017.1355863] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 07/12/2017] [Indexed: 06/07/2023]
Abstract
The purpose of the current study was to investigate the effect of two commercial cigarette smoke condensates (CCSC) on oxidative stress and cell cytotoxicity in human brain (T98G) or astrocytes (U-373 MG) in the presence of human brain microvascular endothelial cells (HBMEC). Cell viability of mono-culture of T98G or U-373 MG was markedly decreased in a concentration-dependent manner, and T98G was more susceptible than U-373 MG to CCSC exposure. Cytotoxicity was less prominent when T98G was co-cultured with HBMEC than when T98G was co-cultured with U-373 MG. Significant reduction in trans-epithelial electric resistance (TEER), a biomarker of cellular integrity was noted in HBMEC co-cultured with T98G (HBMEC-T98G co-culture) and U-373 MG co-cultured with T98G (U-373 MG-T98G co-culture) after 24 or 48 hr CCSC exposure, respectively. TEER value of U-373 MG co-cultured with T98G (79-84%) was higher than HBMEC co-cultured with T98G (62-63%) within 120-hr incubation with CCSC. Reactive oxygen species (ROS) generated by CCSC in mono-culture of T98G and U-373 MG reached highest levels at 4 and 16 mg/ml, respectively. ROS production by T98G fell when co-cultured with HBMEC or U-373MG. These findings suggest that adverse consequences of CCSC treatment on brain cells may be protected by blood-brain barrier or astrocytes, but with chronic exposure toxicity may be worsened due to destruction of cellular integrity.
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Affiliation(s)
- Seon-Bong Lee
- a Department of Food Science and Technology , Sejong University , Seoul , Republic of Korea
| | - Ju-Hyeong Kim
- a Department of Food Science and Technology , Sejong University , Seoul , Republic of Korea
| | - Myung-Haing Cho
- b Laboratory of Toxicology , College of Veterinary Medicine, Seoul National University , Seoul , Republic of Korea
| | - Eun-Sang Choe
- c Department of Biological Sciences , Pusan National University , Pusan , Republic of Korea
| | - Kwang-Sik Kim
- d Pediatric Infectious Diseases , Johns Hopkins University , Baltimore , MD , USA
| | - Soon-Mi Shim
- a Department of Food Science and Technology , Sejong University , Seoul , Republic of Korea
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Özbeyli D, Sarı G, Özkan N, Karademir B, Yüksel M, Çilingir Kaya ÖT, Kasımay Çakır Ö. Protective effects of different exercise modalities in an Alzheimer’s disease-like model. Behav Brain Res 2017; 328:159-177. [DOI: 10.1016/j.bbr.2017.03.044] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2017] [Revised: 03/24/2017] [Accepted: 03/27/2017] [Indexed: 01/01/2023]
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Chaudhary B, Bist R. Protective manifestation of bacoside A and bromelain in terms of cholinesterases, gamma-amino butyric acid, serotonin level and stress proteins in the brain of dichlorvos-intoxicated mice. Cell Stress Chaperones 2017; 22:371-376. [PMID: 28321764 PMCID: PMC5425367 DOI: 10.1007/s12192-017-0773-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2016] [Revised: 01/19/2017] [Accepted: 02/02/2017] [Indexed: 10/19/2022] Open
Abstract
The objective of the study was to evaluate the neuroprotective effects of bacoside A and bromelain against dichlorvos-incited toxicity. Healthy 6-8-week old, male Swiss mice were administered subacute doses of dichlorvos (40 mg/kg bw), bacoside A (5 mg/kg bw) and bromelain (70 mg/kg bw). AChE, BChE, GABA, serotonin and total protein content and their expressions were used for determination of toxic action of dichlorvos. Protective effects of bacoside A and bromelain were evaluated on the same parameters. Exposure to dichlorvos leads to significant decline in activities of AChE (p < 0.01, p < 0.001), BChE (p < 0.05) and GABA (p < 0.01) and total protein levels (p < 0.01). Antioxidant treatment significantly increased the activities of AChE (p < 0.01, p < 0.001), BChE (p < 0.05), GABA (p < 0.01) and total protein level (p < 0.05) compared to those in dichlorvos-treated mice. Overexpression of Hsp 70 protein and underexpression of phosphorylase a and b, catalase SOD and GPx were observed after dichlorvos exposure which suggests the oxidative stress. The results indicate that dichlorvos-induced neuronal damage which results in the generation of molecular expression of proteins is in agreement with the biochemical data ameliorated by bacoside A and bromelain.
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Affiliation(s)
- Bharti Chaudhary
- Department of Bioscience and Biotechnology, Banasthali University, Banasthali, Rajasthan 304022 India
| | - Renu Bist
- Department of Bioscience and Biotechnology, Banasthali University, Banasthali, Rajasthan 304022 India
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Durazzo TC, Korecka M, Trojanowski JQ, Weiner MW, O’Hara R, Ashford JW, Shaw LM. Active Cigarette Smoking in Cognitively-Normal Elders and Probable Alzheimer's Disease is Associated with Elevated Cerebrospinal Fluid Oxidative Stress Biomarkers. J Alzheimers Dis 2016; 54:99-107. [PMID: 27472882 PMCID: PMC5127393 DOI: 10.3233/jad-160413] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Neurodegenerative diseases and chronic cigarette smoking are associated with increased cerebral oxidative stress (OxS). Elevated F2-isoprostane levels in biological fluid is a recognized marker of OxS. This study assessed the association of active cigarette smoking with F2-isoprostane in concentrations in cognitively-normal elders (CN), and those with mild cognitive impairment (MCI) and probable Alzheimer's disease (AD). Smoking and non-smoking CN (n = 83), MCI (n = 164), and probable AD (n = 101) were compared on cerebrospinal fluid (CSF) iPF2α-III and 8,12, iso-iPF2α-VI F2-isoprostane concentrations. Associations between F2-isoprostane levels and hippocampal volumes were also evaluated. In CN and AD, smokers had higher iPF2α-III concentration; overall, smoking AD showed the highest iPF2α-III concentration across groups. Smoking and non-smoking MCI did not differ on iPF2α-III concentration. No group differences were apparent on 8,12, iso-iPF2α-VI concentration, but across AD, higher 8,12, iso-iPF2α-VI level was related to smaller left and total hippocampal volumes. Results indicate that active cigarette smoking in CN and probable AD is associated with increased central nervous system OxS. Further investigation of factors mediating/moderating the absence of smoking effects on CSF F2-isoprostane levels in MCI is warranted. In AD, increasing magnitude of OxS appeared to be related to smaller hippocampal volume. This study contributes additional novel information to the mounting body of evidence that cigarette smoking is associated with adverse effects on the human central nervous system across the lifespan.
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Affiliation(s)
- Timothy C. Durazzo
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA
- Mental Illness Research and Education Clinical Centers and Sierra-Pacific War Related Illness and Injury Study Center VA Palo Alto Health Care System, Palo Alto, CA, USA
| | - Magdalena Korecka
- Department of Pathology & Laboratory Medicine and Center for Neurodegenerative Diseases Research, Perelman School of Medicine University of Pennsylvania, PA, USA
| | - John Q. Trojanowski
- Department of Pathology & Laboratory Medicine and Center for Neurodegenerative Diseases Research, Perelman School of Medicine University of Pennsylvania, PA, USA
| | - Michael W. Weiner
- Departments of Radiology and Biomedical Imaging, Psychiatry, Medicine, and Neurology, University of California, San Francisco, CA, USA
- Center for Imaging of Neurodegenerative Diseases (CIND), San Francisco VA Medical Center, San Francisco, CA, USA
| | - Ruth O’Hara
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA
- Mental Illness Research and Education Clinical Centers and Sierra-Pacific War Related Illness and Injury Study Center VA Palo Alto Health Care System, Palo Alto, CA, USA
| | - John W. Ashford
- Department of Psychiatry and Behavioral Sciences, Stanford University School of Medicine, Stanford, CA, USA
- Mental Illness Research and Education Clinical Centers and Sierra-Pacific War Related Illness and Injury Study Center VA Palo Alto Health Care System, Palo Alto, CA, USA
| | - Leslie M. Shaw
- Department of Pathology & Laboratory Medicine and Center for Neurodegenerative Diseases Research, Perelman School of Medicine University of Pennsylvania, PA, USA
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Pirpamer L, Hofer E, Gesierich B, De Guio F, Freudenberger P, Seiler S, Duering M, Jouvent E, Duchesnay E, Dichgans M, Ropele S, Schmidt R. Determinants of iron accumulation in the normal aging brain. Neurobiol Aging 2016; 43:149-55. [DOI: 10.1016/j.neurobiolaging.2016.04.002] [Citation(s) in RCA: 52] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2015] [Revised: 03/22/2016] [Accepted: 04/05/2016] [Indexed: 12/13/2022]
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Yan T, Shang L, Wang M, Zhang C, Zhao X, Bi K, Jia Y. Lignans from Schisandra chinensis ameliorate cognition deficits and attenuate brain oxidative damage induced by D-galactose in rats. Metab Brain Dis 2016; 31:653-61. [PMID: 26847610 DOI: 10.1007/s11011-016-9804-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2015] [Accepted: 01/29/2016] [Indexed: 01/30/2023]
Abstract
The aim of this study was to explore the neuroprotective effects of active compounds from Schisandra chinensis (Trucz.) Baill. (Magnoliaceae) against the D-galactose (D-gal)-induced neurotoxicity in rat. The Wistar rats were subcutaneously injected with D-gal (150 mg/(kg day)) for six weeks and orally administered with water extract or 95 % ethanol extract (partitioned with petroleum ether (PE), chloroform (CF), ethyl acetate (EA) and n-Butanol (NB), respectively) of the fruits of Schisandra chinensis simultaneously. The alteration of cognitive functions was assessed by using Morris water maze and Step-down type passive avoidance test. The results demonstrated that PE fraction was the most effective fraction to ameliorate cognitive deficits. Further biochemical examination indicated that PE could attenuate the activities decreasing of superoxide dismutase (SOD), catalase (CAT), the total antioxidant (T-AOC) induced by D-gal, and maintain the normal levels of glutathione (GSH), malondialdehyde (MDA) and nitric oxide (NO) in the serum, prefrontal cortex, striatum and hippocampus of the brain of related rat, selectively. Meanwhile, the compounds of PE fraction were also identified as mainly lignans, thus, these results suggest that lignans from the PE fraction of Schisandra chinensis represented a potential source of medicine for the treatment of the aging-associated neurodegenerative diseases.
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Affiliation(s)
- Tingxu Yan
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, People's Republic China
| | - Lei Shang
- The first hospital of China Medical University, Shenyang, 110001, People's Republic China
| | - Mengshi Wang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, People's Republic China
| | - Chenning Zhang
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, People's Republic China
| | - Xu Zhao
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, People's Republic China
| | - Kaishun Bi
- School of Pharmacy, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, People's Republic China
| | - Ying Jia
- School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Wenhua Road 103, Shenyang, People's Republic China.
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Bacoside A and bromelain relieve dichlorvos induced changes in oxidative responses in mice serum. Chem Biol Interact 2016; 254:173-8. [PMID: 27180203 DOI: 10.1016/j.cbi.2016.05.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Revised: 04/17/2016] [Accepted: 05/10/2016] [Indexed: 11/24/2022]
Abstract
Reactive oxygen species (ROS) may be involved in the pathogenesis of serum induced by dichlorvos. Therefore, the rationale of present research was to evaluate the ameliorative efficacy of bacoside A and bromelain on oxidative stress biomarkers in serum of dichlorvos intoxicated mice. Also the level of serum antioxidants viz. catalase (CAT), superoxide dismutase (SOD), glutathione peroxidase (GPx) and reduced glutathione (GSH) were measured. For experiments, mice were allocated into six groups. First group received saline as a vehicle; second group was administered with dichlorvos (40 mg/kg b.w.); third group was administered with bromelain (70 mg/kg b.w.), fourth group received dose of bacoside A (5 mg/kg b.w.), fifth group was given concomitant exposure of bacoside A and bromelain both and mice of sixth group were exposed to bacoside A, bromelain and dichlorvos for 21 days consecutively. Oxidative stress biomarkers thiobarbituric acid reactive substances (TBARS) and protein carbonyl content (PCC) and antioxidants (CAT, SOD, GPx and GSH) level of serum was determined to elucidate the protective potential of bacoside A and bromelain against dichlorvos intoxication. Significantly increased TBARS and PCC level in second group suggests that dichlorvos enhances the production of free radicals in serum of mice (p < 0.05). Antioxidants treatment significantly decreased the levels of TBARS and PCC (p < 0.05). Dichlorvos administration causes a significant reduction in the level of CAT, SOD, GPx and GSH (p < 0.05) which was restored significantly by co-administration of bromelain and bacoside A in dichlorvos exposed mice (p < 0.05). The bacoside A and bromelain are attributed with antioxidant properties. Finding of research conclude that concomitant exposure of bacoside A and bromelain was much effective in combating oxidative stress induced by dichlorvos.
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Hosamani R, Krishna G, Muralidhara. Standardized Bacopa monnieri extract ameliorates acute paraquat-induced oxidative stress, and neurotoxicity in prepubertal mice brain. Nutr Neurosci 2016; 19:434-446. [PMID: 25153704 DOI: 10.1179/1476830514y.0000000149] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
OBJECTIVES Bacopa monnieri (BM), an ayurvedic medicinal plant, has attracted considerable interest owing to its diverse neuropharmacological properties. Epidemiological studies have shown significant correlation between paraquat (PQ) exposure and increased risk for Parkinson's disease in humans. In this study, we examined the propensity of standardized extract of BM to attenuate acute PQ-induced oxidative stress, mitochondrial dysfunctions, and neurotoxicity in the different brain regions of prepubertal mice. METHODS To test this hypothesis, prepubertal mice provided orally with standardized BM extract (200 mg/kg body weight/day for 4 weeks) were challenged with an acute dose (15 mg/kg body weight, intraperitoneally) of PQ after 3 hours of last dose of extract. Mice were sacrificed after 48 hours of PQ injection, and different brain regions were isolated and subjected to biochemical determinations/quantification of central monoamine (dopamine, DA) levels (by high-performance liquid chromatography). RESULTS Oral supplementation of BM for 4 weeks resulted in significant reduction in the basal levels of oxidative markers such as reactive oxygen species (ROS), malondialdehyde (MDA), and hydroperoxides (HP) in various brain regions. PQ at the administered dose elicited marked oxidative stress within 48 hours in various brain regions of mice. However, BM prophylaxis significantly improved oxidative homeostasis by restoring PQ-induced ROS, MDA, and HP levels and also by attenuating mitochondrial dysfunction. Interestingly, BM supplementation restored the activities of cholinergic enzymes along with the restoration of striatal DA levels among the PQ-treated mice. DISCUSSION Based on these findings, we infer that BM prophylaxis renders the brain resistant to PQ-mediated oxidative perturbations and thus may be better exploited as a preventive approach to protect against oxidative-mediated neuronal dysfunctions.
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Affiliation(s)
- Ravikumar Hosamani
- a Biochemistry and Nutrition Department , CSIR-Central Food Technological Research Institute , Mysore , Karnataka , India.,b Space Bioscience Division , NASA Ames Research Center , Moffett Field , CA , USA
| | - Gokul Krishna
- a Biochemistry and Nutrition Department , CSIR-Central Food Technological Research Institute , Mysore , Karnataka , India
| | - Muralidhara
- a Biochemistry and Nutrition Department , CSIR-Central Food Technological Research Institute , Mysore , Karnataka , India
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Iqbal D, Khan MS, Khan A, Ahmad S. Extenuating the role of Ficus virens Ait and its novel bioactive compound on antioxidant defense system and oxidative damage in cigarette smoke exposed rats. BIOMEDICAL RESEARCH AND THERAPY 2016. [DOI: 10.7603/s40730-016-0033-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Mallick MN, Akhtar MS, Najm MZ, Tamboli ET, Ahmad S, Husain SA. Evaluation of anticancer potential of Bacopa monnieri L. against MCF-7 and MDA-MB 231 cell line. J Pharm Bioallied Sci 2015; 7:325-8. [PMID: 26681894 PMCID: PMC4678980 DOI: 10.4103/0975-7406.168038] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Background: The ethanolic extract of Bacopa monnieri contains bacoside A and B, brahmin, cucurbitacins, and betulinic acid. Currently, cucurbitacins have also been reported for their strong anti-tumorigenic and anti-proliferative activity by inducing cell cycle arrest at the G2/M phase and formation of multiplied cells. The present study was carried out to evaluate the in vitro cytotoxic activity of ethanolic extract of dichloromethane (DCM) fraction of B. monnieri on two different cell lines. Materials and Methods: The ethanolic extract of B. monnieri was prepared using soxhlet extraction method and different fractions (hexane, DCM, methanol, acetone, and water) of ethanolic extracts were prepared. The 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide assay of ethanolic extract and of all fractions was carried out on MCF-7 and MDA-MB 231 cell lines. The presence of cucurbitacins and betulinic acid in these fractions was confirmed by high-performance thin layer chromatography. Results: The IC50 values of ethanolic extract of B. monnieri in MCF-7 and MDA-MB 231 cell lines were 72.0 μg/mL and 75.0 μg/mL, respectively. The DCM fraction of B. monnieri showed maximum cytotoxic activity among all fraction upto 72 h and was found to be 57.0 μg/mL and 42.0 μg/mL, respectively. Conclusion: The results showed good cytotoxic activity in DCM fraction in both the cell lines may be due to the presence of cucurbitacins and betulinic acid in DCM fraction.
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Affiliation(s)
- Md Nasar Mallick
- Department of Pharmacognosy and Phytochemistry, Bioactive Natural Product Laboratory, Faculty of Pharmacy, Jamia Hamdard (Hamdard University), New Delhi, India ; Department of Biotechnology, Human Genetics Laboratory, Jamia Millia Islamia, New Delhi, India
| | - Md Salman Akhtar
- Department of Biotechnology, Human Genetics Laboratory, Jamia Millia Islamia, New Delhi, India
| | - Mohd Zeeshan Najm
- Department of Biotechnology, Human Genetics Laboratory, Jamia Millia Islamia, New Delhi, India
| | - E T Tamboli
- Department of Pharmacognosy and Phytochemistry, Bioactive Natural Product Laboratory, Faculty of Pharmacy, Jamia Hamdard (Hamdard University), New Delhi, India
| | - Sayeed Ahmad
- Department of Pharmacognosy and Phytochemistry, Bioactive Natural Product Laboratory, Faculty of Pharmacy, Jamia Hamdard (Hamdard University), New Delhi, India
| | - Syed Akhtar Husain
- Department of Biotechnology, Human Genetics Laboratory, Jamia Millia Islamia, New Delhi, India
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Simpson T, Pase M, Stough C. Bacopa monnieri as an Antioxidant Therapy to Reduce Oxidative Stress in the Aging Brain. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE : ECAM 2015; 2015:615384. [PMID: 26413126 PMCID: PMC4564646 DOI: 10.1155/2015/615384] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/19/2015] [Revised: 03/26/2015] [Accepted: 04/10/2015] [Indexed: 01/08/2023]
Abstract
The detrimental effect of neuronal cell death due to oxidative stress and mitochondrial dysfunction has been implicated in age-related cognitive decline and neurodegenerative disorders such as Alzheimer's disease. The Indian herb Bacopa monnieri is a dietary antioxidant, with animal and in vitro studies indicating several modes of action that may protect the brain against oxidative damage. In parallel, several studies using the CDRI08 extract have shown that extracts of Bacopa monnieri improve cognitive function in humans. The biological mechanisms of this cognitive enhancement are unknown. In this review we discuss the animal studies and in vivo evidence for Bacopa monnieri as a potential therapeutic antioxidant to reduce oxidative stress and improve cognitive function. We suggest that future studies incorporate neuroimaging particularly magnetic resonance spectroscopy into their randomized controlled trials to better understand whether changes in antioxidant status in vivo cause improvements in cognitive function.
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Affiliation(s)
- Tamara Simpson
- Centre for Human Psychopharmacology, Swinburne University of Technology, Hawthorn, VIC 3122, Australia
| | - Matthew Pase
- Centre for Human Psychopharmacology, Swinburne University of Technology, Hawthorn, VIC 3122, Australia
- Department of Neurology, Boston University School of Medicine and Framingham Heart Study, Boston, MA 02118, USA
| | - Con Stough
- Centre for Human Psychopharmacology, Swinburne University of Technology, Hawthorn, VIC 3122, Australia
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Bacoside A: Role in Cigarette Smoking Induced Changes in Brain. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2015; 2015:286137. [PMID: 26413118 PMCID: PMC4564636 DOI: 10.1155/2015/286137] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/19/2014] [Revised: 01/11/2015] [Accepted: 02/26/2015] [Indexed: 12/29/2022]
Abstract
Cigarette smoking (CS) is a major health hazard that exerts diverse physiologic and biochemical effects mediated by the components present and generated during smoking. Recent experimental studies have shown predisposition to several biological consequences from both active and passive cigarette smoke exposure. In particular, passive smoking is linked to a number of adverse health effects which are equally harmful as active smoking. A pragmatic approach should be considered for designing a pharmacological intervention to combat the adverse effects of passive smoking. This review describes the results from a controlled experimental condition, testing the effect of bacoside A (BA) on the causal role of passive/secondhand smoke exposure that caused pathological and neurological changes in rat brain. Chronic exposure to cigarette smoke induced significant changes in rat brain histologically and at the neurotransmitter level, lipid peroxidation states, mitochondrial functions, membrane alterations, and apoptotic damage in rat brain. Bacoside A is a neuroactive agent isolated from Bacopa monnieri. As a neuroactive agent, BA was effective in combating these changes. Future research should examine the effects of BA at molecular level and assess its functional effects on neurobiological and behavioral processes associated with passive smoke.
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Sadhu A, Upadhyay P, Agrawal A, Ilango K, Karmakar D, Singh GPI, Dubey GP. Management of cognitive determinants in senile dementia of Alzheimer's type: therapeutic potential of a novel polyherbal drug product. Clin Drug Investig 2015; 34:857-69. [PMID: 25316430 DOI: 10.1007/s40261-014-0235-9] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
BACKGROUND AND OBJECTIVE The enigmatic etiology of neurodegenerative diseases poses a challenge for the development of novel and efficient drugs. The objective of the present study was to evaluate the efficacy of a polyherbal (test) formulation on cognitive functions, inflammatory markers and oxidative stress in healthy elderly as well as senile dementia of Alzheimer's type (SDAT) patients. METHOD A randomized double-blind placebo- and active-controlled clinical trial was performed in healthy elderly subjects and SDAT patients with an age range of 60-75 years. The polyherbal test formulation along with a placebo was given to healthy elderly subjects while the SDAT patients received either the test formulation containing extracts of Bacopa monnieri (whole plant), Hippophae rhamnoides (leaves and fruits) and Dioscorea bulbifera (bulbils) at a dose of 500 mg or donepezil drug (Aricept) at a dose of 10 mg, twice daily, for a period of 12 months. After every three months, cognitive functions were assessed by determining the mini mental state examination (MMSE) score, digital symbol substitution (DSS; subtest of the Wechsler Adult Intelligence Scale-Revised), immediate and delayed word recall (digital memory apparatus-Medicaid systems, Chandigarh, India), attention span (Attention Span Apparatus-Medicaid systems, Chandigarh, India), functional activity questionnaire (FAQ) and depression (geriatric depression scale) scores. Further inflammatory markers and level of oxidative stress were analyzed using standard biochemical tests. RESULTS The trial was performed in 109 healthy subjects and 123 SDAT patients of whom 97 healthy subjects and 104 SDAT patients completed the study. Administration of the test formulation for a period of 12 months was effective in improving cognitive functions in the SDAT patients, when compared to the donepezil-treated group, as determined by the DSS (38.984 ± 3.016 vs 35.852 ± 4.906, P = 0.0001), word recall immediate (3.594 ± 1.003 vs 2.794 ± 0.593, P < 0.0001) and attention span (4.918 ± 1.239 vs 4.396 ± 0.913, P = 0.0208) scores. A significant improvement in the FAQ (11.873 ± 2.751 vs 9.801 ± 1.458, P < 0.0001) and depression (16.387 ± 2.116 vs 21.006 ± 2.778, P < 0.0001) scores was also observed, whereas no significant differences were observed in the MMSE and word recall delayed scores. The level of inflammation and oxidative stress was markedly reduced in the SDAT patients treated with the test formulation when compared to the donepezil-treated group indicating a likely mechanism of action of the test formulation (homocysteine 30.22 ± 3.87 vs 44.73 ± 7.11 nmol/L, P < 0.0001; C-reactive protein [CRP] 4.751 ± 1.149 vs 5.887 ± 1.049 mg/L, P < 0.0001; tumour necrosis factor alpha [TNF-α] 1139.45 ± 198.87 vs 1598.77 ± 298.52 pg/ml, P < 0.0001; superoxide dismutase [SOD] 1145.92 ± 228.75 vs 1296 ± 225.72 U/g Hb, P = 0.0013; glutathione peroxidase [GPx] 20.78 ± 3.14 vs 25.99 ± 4.11 U/g Hb, P < 0.0001; glutathione [GSH] 9.358 ± 2.139 vs 6.831 ± 1.139 U/g Hb, P < 0.0001; thiobarbituric acid reactive substances [TBARS] 131.62 ± 29.68 vs 176.40 ± 68.11 nmol/g Hb, P < 0.0001). Similarly, when healthy elderly subjects treated with the test formulation for 12 months were compared to the placebo group, a significant (P < 0.001) improvement in cognitive measures (MMSE, DSS, word recall delayed but not immediate, attention span, FAQ and depression scores) and a reduction in inflammation (reduction in homocysteine, CRP, IL-6 and TNF-α levels) and oxidative stress levels (reduction in SOD, GPx and TBARS and increase in GSH) was observed. This indicated a protective effect of the test formulation in managing cognitive decline associated with the ageing process. CONCLUSION The results of this study demonstrate the therapeutic potential of this novel polyherbal formulation for the management and treatment of SDAT.
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Affiliation(s)
- Ananya Sadhu
- Collabrative programme, Institute of Medical Science, Banaras Hindu University, Varanasi, India,
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Trindade C, Juchem ALM, de Albuquerque NRM, de Oliveira IM, Rosa RM, Guecheva TN, Saffi J, Henriques JAP. Antigenotoxic and antimutagenic effects of diphenyl ditelluride against several known mutagens in Chinese hamster lung fibroblasts. Mutagenesis 2015; 30:799-809. [DOI: 10.1093/mutage/gev037] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
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Ramesh T, Sureka C, Bhuvana S, Begum VH. Oxidative stress in the brain of cigarette smoke-induced noxiousness: neuroprotective role of Sesbania grandiflora. Metab Brain Dis 2015; 30:573-82. [PMID: 25217401 DOI: 10.1007/s11011-014-9614-4] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/27/2014] [Accepted: 08/25/2014] [Indexed: 12/20/2022]
Abstract
Cigarette smoking is concerned as a major risk factor in the development of various neurological disorders. Oxidative stress is suggested as a possible contributing factor in the pathogenesis of cigarette smoking-induced toxicity. Therefore, the present study was intended to evaluate the neuroprotective role of Sesbania grandiflora (S. grandiflora) against chronic cigarette smoke induced oxidative damage in rat brain. Adult male Wistar-Kyoto rats were exposed to cigarette smoke for a period of 90 days and consecutively treated with S. grandiflora aqueous suspension (SGAS, 1,000 mg/kg body weight per day by oral gavage) for a period of 3 weeks. Lipid peroxidation and antioxidants status were analyzed in the brain. Rats exposed to cigarette smoke showed significant increase in conjugated diens (CD), hydroperoxides (HP) and malendialdehyde (MDA) levels with concomitant decrease in superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione reductase (GR), glutathione-S-transferase (GST) and glucose-6-phosphate dehydrogenase (G6PDH) activities and the levels of reduced glutathione (GSH), vitamin C and vitamin E. Also cigarette smoke-exposure resulted in a marked increase in copper and decrease in zinc, manganese and selenium levels in brain. Administration of SGAS attenuates lipid peroxidation, enhanced the antioxidant status, restored the levels of micronutrients and retained the brain histology. The results of our study indicate that chronic cigarette smoke-exposure accelerates oxidative stress, thereby disquieting the brain defensive mechanism and S. grandiflora protects the brain from the oxidative damage through its biopotency.
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Affiliation(s)
- Thiyagarajan Ramesh
- Department of Biochemistry, College of Medicine, Salman Bin Abdulaziz University, Al-Kharj, 11942, Kingdom of Saudi Arabia,
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Khan MB, Ahmad M, Ahmad S, Ishrat T, Vaibhav K, Khuwaja G, Islam F. Bacopa monniera ameliorates cognitive impairment and neurodegeneration induced by intracerebroventricular-streptozotocin in rat: behavioral, biochemical, immunohistochemical and histopathological evidences. Metab Brain Dis 2015; 30:115-27. [PMID: 25037167 DOI: 10.1007/s11011-014-9593-5] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2014] [Accepted: 07/10/2014] [Indexed: 10/25/2022]
Abstract
The standardized extract of Bacopa monniera (BM) is a complex mixture of ingredients with a uniquely wide spectrum of neuropharmacological influences upon the central nervous system including enhanced learning and memory with known antioxidant potential and protection of the brain from oxidative damage. The present study demonstrates the therapeutic efficacy of BM on cognitive impairment and oxidative damage, induced by intracerebroventricular injection of streptozotocin (ICV-STZ) in rat models. Male Wistar rats were pre-treated with BM at a selected dose (30 mg/Kg) given orally for 2 weeks and then were injected bilaterally with ICV-STZ (3 mg/Kg), while sham operated rats were received the same volume of vehicle. Behavioral parameters were subsequently monitored 2 weeks after the surgery using the Morris water maze (MWM) navigation task then were sacrificed for biochemical, immunohistochemical (Cu/Zn-SOD) and histopathological assays. ICV-STZ-infused rats showed significant loss in learning and memory ability, which were significantly improved by BM supplementation. A significant increase in thiobarbituric acid reactive species and a significant decrease in reduced glutathione, antioxidant enzymes in the hippocampus were observed in ICV-STZ rats. Moreover, decrease in Cu/Zn-SOD expression positive cells were observed in the hippocampus of ICV-STZ rats. BM supplementation significantly ameliorated all alterations induced by ICV-STZ in rats. The data suggest that ICV-STZ might cause its neurotoxic effects via the production of free radicals. Our study demonstrates that BM is a powerful antioxidant which prevents cognitive impairment, oxidative damage, and morphological changes in the ICV-STZ-infused rats. Thus, BM may have therapeutic value for the treatment of cognitive impairment.
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Affiliation(s)
- M Badruzzaman Khan
- Neurotoxicology Laboratory, Department of Medical Elementology & Toxicology, Jamia Hamdard (Hamdard University), Hamdard Nagar, New Delhi, 110062, India,
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Bacopa monniera selectively attenuates suppressed Superoxide dismutase activity in Diazepam induced amnesic mice. Ann Neurosci 2014; 18:8-13. [PMID: 25205911 PMCID: PMC4117027 DOI: 10.5214/ans.0972.7531.1118104] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2010] [Revised: 12/10/2010] [Accepted: 01/04/2011] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Amnesia is characterized by loss of memory that could result from abnormal neuro-chemical homeostasis, genetic predisposition or drug abuse. We earlier reported that B. monniera attenuates diazepam, scopolamine and L-NNA induced amnesia and wanted to test if SOD levels were affected by its administration. PURPOSE B. monniera is earlier reported to augment the defense system for oxidative stress by increasing the activities of superoxide dismutase, therefore, we investigated its levels after B. monniera administration in combination with different amnesic agents. METHODS We treated mice with amnesic agents such as scopolamine, diazepam, L-NNA and MK 801 either with or without B. monniera. RESULTS Diazepam (1.75 mg/kg ip) significantly reduced SOD activity while it was unaltered when Scopolamine (0.1 mg/kg ip), MK 801 (0.17 mg/kg ip) and L-NNA (30 mg/kg ip) were administered. B. monniera significantly attenuated diazepam induced suppression of SOD activity. CONCLUSION It is suggested that the mechanism of B. monniera's antiamnesic effect may vary depending on the type of amnesic agent used. However, antioxidant mechanism may be central to evoking the memory enhancing effects of B. monniera against diazepam induced amnesia.
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Durazzo TC, Mattsson N, Weiner MW, Korecka M, Trojanowski JQ, Shaw LM. History of cigarette smoking in cognitively-normal elders is associated with elevated cerebrospinal fluid biomarkers of oxidative stress. Drug Alcohol Depend 2014; 142:262-8. [PMID: 25037769 PMCID: PMC4144023 DOI: 10.1016/j.drugalcdep.2014.06.030] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/08/2014] [Revised: 05/22/2014] [Accepted: 06/23/2014] [Indexed: 12/16/2022]
Abstract
BACKGROUND Cigarette smoking in adults is associated with abnormalities in brain neurobiology. Smoking-induced central nervous system oxidative stress (OxS) is a potential mechanism associated with these abnormalities. The goal of this study was to compare cognitively-normal elders on cerebrospinal fluid (CSF) levels of F2-isoprostane biomarkers of OxS. METHODS Elders with a lifetime history of smoking (smokers; n=50; 75±5 years of age; 34±28 pack-years; approximately 12% were actively smoking at the time of study) were compared to never-smokers (n=61; 76±6 years of age) on CSF iPF2α-III and 8,12, iso-iPF2α-VI F2-isoprostanes levels. F2-isoprostanes levels were quantitated with HPLC-atmospheric pressure chemical ionization-tandem mass spectrometry. Associations between F2-isoprostanes levels, hippocampal volumes, and cigarette exposure measures were also evaluated. RESULTS Smokers showed higher iPF2α-III level than never-smokers. An age×smoking status interaction was observed for 8,12, iso-iPF2α-VI, where smokers demonstrate a significantly greater concentration with increasing age than never-smokers. In smokers only, higher 8,12, iso-iPF2α-VI concentration was associated with smaller hippocampal volume, and greater iPF2α-III level was related to greater pack years. CONCLUSIONS This is the first study to demonstrate that a history of cigarette smoking in cognitively-normal elders was associated with significantly elevated CSF F2-isoprostane levels and greater age-related increases in F2-isoprostanes, and that higher F2-isoprostane levels in smokers were related to smaller hippocampal volume. These findings provide additional novel evidence that a history of chronic smoking during adulthood is associated with adverse effects on the human brain that are potentially enduring even with extended smoking cessation.
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Affiliation(s)
- Timothy C Durazzo
- Center for Imaging of Neurodegenerative Diseases (CIND), San Francisco VA Medical Center, San Francisco, CA, USA; Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA, USA.
| | - Niklas Mattsson
- Center for Imaging of Neurodegenerative Diseases (CIND), San Francisco VA Medical Center, San Francisco, CA, USA; Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA, USA; Clinical Neurochemistry Laboratory, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden
| | - Michael W Weiner
- Center for Imaging of Neurodegenerative Diseases (CIND), San Francisco VA Medical Center, San Francisco, CA, USA; Department of Radiology and Biomedical Imaging, University of California, San Francisco, CA, USA; Departments of Psychiatry, Medicine, and Neurology, University of California, San Francisco Psychiatry, University of California, San Francisco, CA, USA
| | - Magdalena Korecka
- Department of Pathology & Laboratory Medicine and Center for Neurodegenerative Diseases Research, Perelman School of Medicine, University of Pennsylvania, USA
| | - John Q Trojanowski
- Department of Pathology & Laboratory Medicine and Center for Neurodegenerative Diseases Research, Perelman School of Medicine, University of Pennsylvania, USA
| | - Leslie M Shaw
- Department of Pathology & Laboratory Medicine and Center for Neurodegenerative Diseases Research, Perelman School of Medicine, University of Pennsylvania, USA
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Hussain SA, Panjagari NR, Singh RRB, Patil GR. Potential Herbs and Herbal Nutraceuticals: Food Applications and Their Interactions with Food Components. Crit Rev Food Sci Nutr 2014; 55:94-122. [DOI: 10.1080/10408398.2011.649148] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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Selenium supplementation shows protective effects against patulin-induced brain damage in mice via increases in GSH-related enzyme activity and expression. Life Sci 2014; 109:37-43. [DOI: 10.1016/j.lfs.2014.05.022] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2014] [Revised: 05/27/2014] [Accepted: 05/30/2014] [Indexed: 11/17/2022]
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Durazzo TC, Mattsson N, Weiner MW. Smoking and increased Alzheimer's disease risk: a review of potential mechanisms. Alzheimers Dement 2014; 10:S122-45. [PMID: 24924665 PMCID: PMC4098701 DOI: 10.1016/j.jalz.2014.04.009] [Citation(s) in RCA: 246] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
BACKGROUND Cigarette smoking has been linked with both increased and decreased risk for Alzheimer's disease (AD). This is relevant for the US military because the prevalence of smoking in the military is approximately 11% higher than in civilians. METHODS A systematic review of published studies on the association between smoking and increased risk for AD and preclinical and human literature on the relationships between smoking, nicotine exposure, and AD-related neuropathology was conducted. Original data from comparisons of smoking and never-smoking cognitively normal elders on in vivo amyloid imaging are also presented. RESULTS Overall, literature indicates that former/active smoking is related to a significantly increased risk for AD. Cigarette smoke/smoking is associated with AD neuropathology in preclinical models and humans. Smoking-related cerebral oxidative stress is a potential mechanism promoting AD pathology and increased risk for AD. CONCLUSIONS A reduction in the incidence of smoking will likely reduce the future prevalence of AD.
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Affiliation(s)
- Timothy C Durazzo
- Center for Imaging of Neurodegenerative Diseases (CIND), San Francisco VA Medical Center, San Francisco, CA, USA; Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA, USA.
| | - Niklas Mattsson
- Center for Imaging of Neurodegenerative Diseases (CIND), San Francisco VA Medical Center, San Francisco, CA, USA; Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA, USA; Clinical Neurochemistry Laboratory, Institute of Neuroscience and Physiology, The Sahlgrenska Academy at the University of Gothenburg, Mölndal, Sweden
| | - Michael W Weiner
- Center for Imaging of Neurodegenerative Diseases (CIND), San Francisco VA Medical Center, San Francisco, CA, USA; Department of Radiology and Biomedical Imaging, University of California, San Francisco, San Francisco, CA, USA; Department of Psychiatry, University of California, San Francisco, San Francisco, CA, USA; Department of Medicine, University of California, San Francisco, San Francisco, CA, USA; Department of Neurology, University of California, San Francisco, San Francisco, CA, USA
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