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Mathew AA, Mohapatra S, Panonnummal R. Formulation and evaluation of magnesium sulphate nanoparticles for improved CNS penetrability. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:567-576. [PMID: 36474021 DOI: 10.1007/s00210-022-02356-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Accepted: 11/26/2022] [Indexed: 12/12/2022]
Abstract
Magnesium (Mg2+) is the fourth most abundant cation in the human body and is involved in maintaining varieties of cellular and neurological functions. Magnesium deficiency has been associated with numerous diseases, particularly neurological disorders, and its supplementation has proven beneficial. However, magnesium therapy in neurological diseases is limited because of the inability of magnesium to cross the blood-brain barrier (BBB). The present study focuses on developing magnesium sulphate nanoparticles (MGSN) to improve blood-brain barrier permeability. MGSN was prepared by precipitation technique with probe sonication. The developed formulation was characterized by DLS, EDAX, FT-IR and quantitative and qualitative estimation of magnesium. According to the DLS report, the average size of the prepared MGSN is found to be 247 nm. The haemocompatibility assay studies revealed that the prepared MGSN are biocompatible at different concentrations. The in vitro BBB permeability assay conducted by Parallel Artificial Membrane Permeability Assay (PAMPA) using rat brain tissue revealed that the prepared MGSN exhibited enhanced BBB permeability as compared to the marketed i.v. MgSO4 injection. The reversal effect of MGSN to digoxin-induced Na+/K+ ATPase enzyme inhibition using brain microslices confirmed that MGSN could attenuate the altered levels of Na+ and K+ and is useful in treating neurological diseases with altered expression of Na+/K+ ATPase activity.
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Affiliation(s)
- Aparna Ann Mathew
- Amrita School of Pharmacy, Amrita Institute of Medical Science & Research Centre, Amrita Vishwa Vidyapeetham, Kochi, 682041, India
| | - Sudeshna Mohapatra
- Amrita School of Pharmacy, Amrita Institute of Medical Science & Research Centre, Amrita Vishwa Vidyapeetham, Kochi, 682041, India
| | - Rajitha Panonnummal
- Amrita School of Pharmacy, Amrita Institute of Medical Science & Research Centre, Amrita Vishwa Vidyapeetham, Kochi, 682041, India.
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Mathew AA, Panonnummal R. A Mini Review on the Various Facets Effecting Brain Delivery of Magnesium and Its Role in Neurological Disorders. Biol Trace Elem Res 2022:10.1007/s12011-022-03517-8. [PMID: 36534337 DOI: 10.1007/s12011-022-03517-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 12/05/2022] [Indexed: 12/23/2022]
Abstract
Magnesium is an essential cation present in the body that participates in the regulation of various vital body functions. Maintaining normal level of magnesium is essential for proper brain functions by regulating the activities of numerous neurotransmitters and their receptors. Various studies have been reported that magnesium level is found to be declined in both neurological and psychiatric diseases. Declined magnesium level in the brain initiates various cumbersome effects like excitotoxicity, altered blood-brain permeability, oxidative stress, and inflammation, which may further worsen the disease condition. Shreds of evidence from the experimental and clinical studies proved that exogenous administration of magnesium is useful for correcting disease-induced alterations in the brain. But one of the major limiting factors in the use of magnesium for treatment purposes is its poor blood-brain barrier permeability. Various approaches like the administration of its organic salts as pidolate and threonate forms, and the combination with polyethylene glycol or mannitol have been tried to improve its permeability to make magnesium as a suitable drug for different neurological disorders. These results have shown their experimental efficacy in diseased animal models, but studies regarding the safety and efficacy in human subjects are currently underway. We present a comprehensive review on the role of magnesium in the maintenance of normal functioning of the brain and various approaches for improving its BBB permeability.
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Affiliation(s)
- Aparna Ann Mathew
- Amrita School of Pharmacy, Amrita Institute of Medical Science & Research Centre, Amrita Vishwa Vidyapeetham, Kochi, 682041, India
| | - Rajitha Panonnummal
- Amrita School of Pharmacy, Amrita Institute of Medical Science & Research Centre, Amrita Vishwa Vidyapeetham, Kochi, 682041, India.
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Onaolapo OJ, Odeniyi AO, Onaolapo AY. Parkinson's Disease: Is there a Role for Dietary and Herbal Supplements? CNS & NEUROLOGICAL DISORDERS DRUG TARGETS 2022; 20:343-365. [PMID: 33602107 DOI: 10.2174/1871527320666210218082954] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2020] [Revised: 09/19/2020] [Accepted: 09/29/2020] [Indexed: 12/18/2022]
Abstract
Parkinson's Disease (PD) is characterised by degeneration of the neurons of the nigrostriatal dopaminergic pathway of the brain. The pharmacological cornerstone of PD management is mainly the use of dopamine precursors, dopamine receptor agonists, and agents that inhibit the biochemical degradation of dopamine. While these drugs initially provide relief to the symptoms and improve the quality of life of the patients, progression of the underlying pathological processes, such as oxidative stress and neuroinflammation (which have been strongly associated with PD and other neurodegenerative disorders), eventually reduce their benefits, making further benefits achievable, only at high doses due to which the magnitude and frequency of side-effects are amplified. Also, while it is becoming obvious that mainstream pharmacological agents may not always provide the much-needed answer, the question remains what succour can nature provide through dietary supplements, nutraceuticals and herbal remedies? This narrative review examines current literature for evidence of the possible roles (if any) of nutraceuticals, dietary supplements and herbal remedies in the prevention or management of PD by examining how these compounds could modulate key factors and pathways that are crucial to the pathogenesis and/or progression of PD. The likely limitations of this approach and its possible future roles in PD prevention and management are also considered.
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Affiliation(s)
- Olakunle J Onaolapo
- Behavioural Neuroscience Unit, Neuropharmacology Subdivision, Department of Pharmacology, Ladoke Akintola University of Technology, Osogbo, Osun State, Nigeria
| | - Ademola O Odeniyi
- Behavioural Neuroscience Unit, Neuropharmacology Subdivision, Department of Pharmacology, Ladoke Akintola University of Technology, Osogbo, Osun State, Nigeria
| | - Adejoke Y Onaolapo
- Behavioural Neuroscience Unit, Neurobiology Subdivision, Department of Anatomy, Ladoke Akintola University of Technology, Ogbomosho, Oyo State, Nigeria
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Anirudhan A, Angulo-Bejarano PI, Paramasivam P, Manokaran K, Kamath SM, Murugesan R, Sharma A, Ahmed SSSJ. RPL6: A Key Molecule Regulating Zinc- and Magnesium-Bound Metalloproteins of Parkinson's Disease. Front Neurosci 2021; 15:631892. [PMID: 33790735 PMCID: PMC8006920 DOI: 10.3389/fnins.2021.631892] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2020] [Accepted: 01/25/2021] [Indexed: 12/19/2022] Open
Abstract
Parkinson's disease (PD) is a progressive neurodegenerative disease with no definite molecular markers for diagnosis. Metal exposure may alter cellular proteins that contribute to PD. Exploring the cross-talk between metal and its binding proteins in PD could reveal a new strategy for PD diagnosis. We performed a meta-analysis from different PD tissue microarray datasets to identify differentially expressed genes (DEGs) common to the blood and brain. Among common DEGs, we extracted 280 metalloprotein-encoding genes to construct protein networks describing the regulation of metalloproteins in the PD blood and brain. From the metalloprotein network, we identified three important functional hubs. Further analysis shows 60S ribosomal protein L6 (RPL6), a novel intermediary molecule connecting the three hubs of the metalloproteins network. Quantitative real-time PCR analysis showed that RPL6 was downregulated in PD peripheral blood mononuclear cell (PBMC) samples. Simultaneously, trace element analysis revealed altered serum zinc and magnesium concentrations in PD samples. The Pearson's correlation analysis shows that serum zinc and magnesium regulate the RPL6 gene expression in PBMC. Thus, metal-regulating RPL6 acts as an intermediary molecule connecting the three hubs that are functionally associated with PD. Overall our study explores the understanding of metal-mediated pathogenesis in PD, which provides a serum metal environment regulating the cellular gene expression that may light toward metal and gene expression-based biomarkers for PD diagnosis.
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Affiliation(s)
- Athira Anirudhan
- Drug Discovery and Multi-omics Laboratory, Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Kelambakkam, India
| | | | - Prabu Paramasivam
- Department of Neurology, School of Medicine, University of New Mexico Health Sciences Center, University of New Mexico, Albuquerque, NM, United States
| | - Kalaivani Manokaran
- Department of Medical Laboratory Technology, Manipal College of Health Professions, Manipal, Manipal Academy of Higher Education, Manipal, India
| | - S Manjunath Kamath
- Department of Pharmacology, Saveetha Dental College (SDC), Saveetha Institute of Medical and Technical Sciences, Chennai, India
| | - Ram Murugesan
- Drug Discovery and Multi-omics Laboratory, Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Kelambakkam, India
| | - Ashutosh Sharma
- School of Engineering and Sciences, Centre of Bioengineering, Tecnologico de Monterrey, Queretaro, Mexico
| | - Shiek S S J Ahmed
- Drug Discovery and Multi-omics Laboratory, Faculty of Allied Health Sciences, Chettinad Academy of Research and Education, Kelambakkam, India
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Chen Y, Sun X, Lin Y, Zhang Z, Gao Y, Wu IX. Non-Genetic Risk Factors for Parkinson's Disease: An Overview of 46 Systematic Reviews. JOURNAL OF PARKINSON'S DISEASE 2021; 11:919-935. [PMID: 33814465 PMCID: PMC8461677 DOI: 10.3233/jpd-202521] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Accepted: 03/03/2021] [Indexed: 12/11/2022]
Abstract
BACKGROUND Numerous systematic reviews (SRs) and meta-analyses on non-genetic risk factors for Parkinson's disease (PD) development have been published with inconsistent conclusions. OBJECTIVE This overview of SRs aimed to summarize evidence on non-genetic factors for the development of PD from the published SRs, and explore the reasons behind the conflicting results. METHODS Three international databases were searched for SRs with meta-analyses summarized evidence on non-genetic factors for PD development. The Assessing the Methodological Quality of Systematic Reviews 2 tool was used to appraise the methodological quality of included SRs. Pooled effect estimations were extracted from each meta-analysis. RESULTS Forty-six SRs covered six categories, and more than 80 factors were included in this overview. Thirty-nine SRs (84.7%) were judged to be of critically low methodological quality. Evidence from prospective studies showed that physical activity, smoking, coffee, caffeine, tea, fat intake, ibuprofen use, calcium channel blocker use, statin use, thiazolidinediones, and high serum urate levels significantly reduced the risk of PD, while dairy intake, diabetes, hormone replacement therapy, depression, mood disorder, bipolar disorder, and aspirin use significantly increased the risk of PD. Differences in study designs (e.g., cohort studies, case-control studies) accounted for the conflicting results among included SRs. CONCLUSION Modifiable lifestyle factors such as physical activity and tea and coffee drinking may reduce the risk of PD, which may offer PD prevention strategies and hypotheses for future research. However, the designs of primary studies on PD risk factors and related SRs need to be improved and harmonized.
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Affiliation(s)
- Yancong Chen
- Xiangya School of Public Health, Central South University, Changsha, China
| | - Xuemei Sun
- Xiangya School of Public Health, Central South University, Changsha, China
| | - Yali Lin
- Xiangya School of Public Health, Central South University, Changsha, China
| | - Zixuan Zhang
- Xiangya School of Public Health, Central South University, Changsha, China
| | - Yinyan Gao
- Xiangya School of Public Health, Central South University, Changsha, China
| | - Irene X.Y. Wu
- Xiangya School of Public Health, Central South University, Changsha, China
- Hunan Provincial Key Laboratory of Clinical Epidemiology, Changsha, China
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Meléndez-Flores JD, Estrada-Bellmann I. Linking chronic kidney disease and Parkinson's disease: a literature review. Metab Brain Dis 2021; 36:1-12. [PMID: 32990929 DOI: 10.1007/s11011-020-00623-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/07/2020] [Accepted: 09/22/2020] [Indexed: 10/23/2022]
Abstract
Chronic kidney disease (CKD) has been typically implicated in cardiovascular risk, considering the function the kidney has related to blood pressure, vitamin D, red blood cell metabolism, and electrolyte and acid-base regulation. However, neurological consequences are also attributed to this disease. Among these, recent large epidemiological studies have demonstrated an increased risk for Parkinson's disease (PD) in patients with CKD. Multiple studies have evaluated individually the association of blood pressure, vitamin D, and red blood cell dysmetabolism with PD, however, no study has reviewed the potential mechanisms related to these components in context of CKD and PD. In this review, we explored the association of CKD and PD and linked the components of the former to propose potential pathways explaining a future increased risk for PD, where renin-angiotensin system, oxidative stress, and inflammation have a main role. Potential preventive and therapeutic interventions based on these associations are also explored. More preclinical studies are needed to confirm the potential link of CKD conditions and future PD risk, whereas more interventional studies targeting this association are warranted to confirm their potential benefit in PD.
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Affiliation(s)
- Jesús D Meléndez-Flores
- Neurology Division, Internal Medicine Department, University Hospital "Dr. José E. González", Universidad Autónoma de Nuevo León, Madero y Gonzalitos S/N, 64700, Monterrey, NL, Mexico
- Faculty of Medicine, Universidad Autónoma de Nuevo León, Monterrey, Mexico
| | - Ingrid Estrada-Bellmann
- Neurology Division, Internal Medicine Department, University Hospital "Dr. José E. González", Universidad Autónoma de Nuevo León, Madero y Gonzalitos S/N, 64700, Monterrey, NL, Mexico.
- Movement Disorders Clinic, Neurology Division, Internal Medicine Department, University Hospital "Dr. José E. González", Universidad Autónoma de Nuevo León, Monterrey, Mexico.
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Yang X, Zhang R, Nakahira K, Gu Z. Mitochondrial DNA Mutation, Diseases, and Nutrient-Regulated Mitophagy. Annu Rev Nutr 2020; 39:201-226. [PMID: 31433742 DOI: 10.1146/annurev-nutr-082018-124643] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
A wide spectrum of human diseases, including cancer, neurodegenerative diseases, and metabolic disorders, have been shown to be associated with mitochondrial dysfunction through multiple molecular mechanisms. Mitochondria are particularly susceptible to nutrient deficiencies, and nutritional intervention is an essential way to maintain mitochondrial homeostasis. Recent advances in genetic manipulation and next-generation sequencing reveal the crucial roles of mitochondrial DNA (mtDNA) in various pathophysiological conditions. Mitophagy, a term coined to describe autophagy that targets dysfunctional mitochondria, has emerged as an important cellular process to maintain mitochondrial homeostasis and has been shown to be regulated by various nutrients and nutritional stresses. Given the high prevalence of mtDNA mutations in humans and their impact on mitochondrial function, it is important to investigate the mechanisms that regulate mtDNA mutation. Here, we discuss mitochondrial genetics and mtDNA mutations and their implications for human diseases. We also examine the role of mitophagy as a therapeutic target, highlighting how nutrients may eliminate mtDNA mutations through mitophagy.
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Affiliation(s)
- Xuan Yang
- Division of Nutritional Sciences, Cornell University, Ithaca, New York 14853, USA; , ,
| | - Ruoyu Zhang
- Division of Nutritional Sciences, Cornell University, Ithaca, New York 14853, USA; , ,
| | - Kiichi Nakahira
- Division of Pulmonary and Critical Care Medicine, Joan and Sanford I. Weill Department of Medicine, Weill Cornell Medicine, New York, NY 10065, USA;
| | - Zhenglong Gu
- Division of Nutritional Sciences, Cornell University, Ithaca, New York 14853, USA; , ,
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Parkinson's Disease-Induced Zebrafish Models: Focussing on Oxidative Stress Implications and Sleep Processes. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:1370837. [PMID: 32908622 PMCID: PMC7450359 DOI: 10.1155/2020/1370837] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/28/2020] [Revised: 07/07/2020] [Accepted: 07/23/2020] [Indexed: 12/11/2022]
Abstract
The complex yet not fully understood pathophysiology of Parkinson's disease includes an important molecular component consisting of oxidative status changes, thus leading to oxidative stress occurrence. While no particular evidence has been reported that describes the relationship between oxidative stress and the molecular mechanisms behind Parkinson's disease development, animal model studies has shown that oxidative stress induction could modulate Parkinson's disease symptomatology. Despite the inability to perfectly replicate human disease in animals and despite that Parkinson's disease has not been reported in any animal species, animal modeling is one of the most important tools in understanding the complex mechanisms of human disorders. In this way, this study is aimed at detailing this particular relationship and describing the molecular mechanisms underlying Parkinson's disease in animal models, focusing on the potential advantages and disadvantages of zebrafish in this context. The information relevant to this topic was gathered using major scientific database research (PubMed, Google Scholar, Web of Science, and Scopus) based on related keywords and inclusion criteria. Thus, it was observed that oxidative stress possesses an important role in Parkinson's disease as shown by numerous animal model studies, many of which are based on rodent experimental models. However, an emerging impact of the zebrafish model was observed in the research of Parkinson's disease pathological mechanisms with regard to disease development factors and the cause-effect relationship between oxidative stress and comorbidities (such as depression, hyposmia, fatigue, sleep disturbances, and cognitive deficits) and also with regard to the pharmacological potential of antioxidant molecules in Parkinson's disease treatment.
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Magnesium-Induced Cell Survival Is Dependent on TRPM7 Expression and Function. Mol Neurobiol 2019; 57:528-538. [PMID: 31392516 PMCID: PMC6968994 DOI: 10.1007/s12035-019-01713-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 07/18/2019] [Indexed: 12/17/2022]
Abstract
Mg2+ homeostasis is essential for cell survival and the loss of this regulation has been associated with many neurodegenerative diseases, including loss of dopaminergic neurons. Although the neurotoxin-mediated loss of dopaminergic neurons in Parkinson disease models is extensively studied, the ion channel(s) that regulate Mg2+ homeostasis and thus could prevent neuronal cell death is not yet identified. Here, we show that TRPM7 (transient receptor potential melastatin 7) is involved in regulating Mg2+ homeostasis in dopaminergic cells. Importantly, transient loss of TRPM7 decreased intracellular Mg2+ levels and decreased dopaminergic cells/neurons survival. We provide further evidence that both increases in extracellular Mg2+ or transiently increasing TRPM7 levels protected dopaminergic SH-SY5Y cells against neurotoxin-mediated cell death. Neurotoxin treatment significantly decreased TRPM7 levels in both SH-SY5Y cells and the substantia nigra pars compacta region of mice, along with a decrease in Mg2+ influx. Moreover, Mg2+ supplementation showed a concentration-dependent decrease in caspase-3 activity, an increase in cell survival, restored mitochondrial membrane potential, and increase TRPM7 levels in neurotoxin-treated cells. In contrast, transient silencing of TRPM7 inhibited the positive effect of Mg2+ supplementation in protecting against neurotoxins. Whereas, TRPM7 overexpression not only maintained Mg2+ homeostasis but also inhibited caspase 3 activity that induced cell survival. Overall, these results suggest a significant role of TRPM7 channels in Mg2+ homeostasis and the survival of neurotoxin-induced loss of dopaminergic cells.
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