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Deng JL, Huang LF, Bian ZY, Feng XY, Qi RY, Dong WX, Gao JM, Tang JJ. A new neuroprotective candidate TJ1 targeting amyloidogenesis in 5xFAD Alzheimer's disease mice. Int Immunopharmacol 2024; 138:112653. [PMID: 38996664 DOI: 10.1016/j.intimp.2024.112653] [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: 03/04/2024] [Revised: 06/27/2024] [Accepted: 07/06/2024] [Indexed: 07/14/2024]
Abstract
As one of the main pathmechanisms of Alzheimer's disease (AD), amyloid-β (Aβ) is widely considered to be the prime target for the development of AD therapy. Recently, imidazolylacetophenone oxime ethers or esters (IOEs) have shown neuroprotective effects against neuronal cells damage, suggesting their potential use in the prevention and treatment of AD. Thirty IOEs compounds from our lab in-house library were constructed and screened for the inhibitory effects on Aβ42-induced cytotoxicity. Among them, TJ1, as a new IOEs hit, preliminarily showed the effect on inhibiting Aβ42-induced cytotoxicity. Furthermore, the inhibitory effects of TJ1 on Aβ42 aggregation were tested by ThT assays and TEM. The neuroprotective effects of TJ1 were evaluated in Aβ42-stimulated SH-SY5Y cells, LPS-stimulated BV-2 cells, and H2O2- and RSL3-stimulated PC12 cells. The cognitive improvement of TJ1 was assessed in 5xFAD (C57BL/6J) transgenic mouse. These results showed that TJ1 had strong neuroprotective effects and high blood-brain barrier (BBB) permeability without obvious cytotoxicity. TJ1 impeded the self-accumulation process of Aβ42 by acting on Aβ oligomerization and fibrilization. Besides, TJ1 reversed Aβ-, H2O2- and RSL3-induced neuronal cell damage and decreased neuroinflammation. In 5xFAD mice, TJ1 improved cognitive impairment, increased GSH level, reduced the level of Aβ42 and Aβ plaques, and attenuated the glia reactivation and inflammatory response in the brain,. Taken together, our results demonstrate that TJ1 improves cognitive impairments as a new neuroprotective candidate via targeting amyloidogenesis, which suggests the potential of TJ1 as a treatment for AD.
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Affiliation(s)
- Jia-Le Deng
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Lan-Fang Huang
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Zhao-Yuan Bian
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Xu-Yao Feng
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Ruo-Yu Qi
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Wei-Xuan Dong
- The First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, 710000, China
| | - Jin-Ming Gao
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China
| | - Jiang-Jiang Tang
- Shaanxi Key Laboratory of Natural Products and Chemical Biology, College of Chemistry and Pharmacy, Northwest A&F University, Yangling, 712100, China.
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Thapa R, Ahmad Bhat A, Shahwan M, Ali H, PadmaPriya G, Bansal P, Rajotiya S, Barwal A, Siva Prasad GV, Pramanik A, Khan A, Hing Goh B, Dureja H, Kumar Singh S, Dua K, Gupta G. Proteostasis disruption and senescence in Alzheimer's disease pathways to neurodegeneration. Brain Res 2024; 1845:149202. [PMID: 39216694 DOI: 10.1016/j.brainres.2024.149202] [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: 05/23/2024] [Revised: 07/29/2024] [Accepted: 08/25/2024] [Indexed: 09/04/2024]
Abstract
Alzheimer's Disease (AD) is a progressive neurological disease associated with behavioral abnormalities, memory loss, and cognitive impairment that cause major causes of dementia in the elderly. The pathogenetic processes cause complex effects on brain function and AD progression. The proper protein homeostasis, or proteostasis, is critical for cell health. AD causes the buildup of misfolded proteins, particularly tau and amyloid-beta, to break down proteostasis, such aggregates are toxic to neurons and play a critical role in AD pathogenesis. The rise of cellular senescence is accompanied by aging, marked by irreversible cell cycle arrest and the release of pro-inflammatory proteins. Senescent cell build-up in the brains of AD patients exacerbates neuroinflammation and neuronal degeneration. These cells senescence-associated secretory phenotype (SASP) also disturbs the brain environment. When proteostasis failure and cellular senescence coalesce, a cycle is generated that compounds each other. While senescent cells contribute to proteostasis breakdown through inflammatory and degradative processes, misfolded proteins induce cellular stress and senescence. The principal aspects of the neurodegenerative processes in AD are the interaction of cellular senescence and proteostasis failure. This review explores the interconnected roles of proteostasis disruption and cellular senescence in the pathways leading to neurodegeneration in AD.
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Affiliation(s)
- Riya Thapa
- Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India
| | - Asif Ahmad Bhat
- Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India
| | - Moyad Shahwan
- Centre of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, UAE
| | - Haider Ali
- Centre for Global Health Research, Saveetha Medical College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, India; Department of Pharmacology, Kyrgyz State Medical College, Bishkek, Kyrgyzstan
| | - G PadmaPriya
- Department of Chemistry and Biochemistry, School of Sciences, JAIN (Deemed to be University), Bangalore, Karnataka, India
| | - Pooja Bansal
- Department of Allied Healthcare and Sciences, Vivekananda Global University, Jaipur, Rajasthan-303012, India
| | - Sumit Rajotiya
- NIMS Institute of Pharmacy, NIMS University Rajasthan, Jaipur, India
| | - Amit Barwal
- Chandigarh Pharmacy College, Chandigarh Group of College, Jhanjeri, Mohali - 140307, Punjab, India
| | - G V Siva Prasad
- Department of Chemistry, Raghu Engineering College, Visakhapatnam, Andhra Pradesh-531162, India
| | - Atreyi Pramanik
- School of Applied and Life Sciences, Division of Research and Innovation, Uttaranchal University, Dehradun, India
| | - Abida Khan
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Northern Border University, Rafha 91911, Saudi Arabia
| | - Bey Hing Goh
- Sunway Biofunctional Molecules Discovery Centre (SBMDC), School of Medical and Life Sciences, Sunway University, Sunway, Malaysia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW, Australia; Biofunctional Molecule Exploratory Research Group (BMEX), School of Pharmacy, Monash University Malaysia, Bandar Sunway, Selangor Darul Ehsan, 47500, Malaysia
| | - Harish Dureja
- Department of Pharmaceutical Sciences, Maharshi Dayanand University, Rohtak, 124001, India
| | - Sachin Kumar Singh
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India; Faculty of Health, Australian Research Center in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Kamal Dua
- Faculty of Health, Australian Research Center in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, NSW 2007, Australia; Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Ultimo, NSW 2007, Australia
| | - Gaurav Gupta
- Centre of Medical and Bio-allied Health Sciences Research, Ajman University, Ajman, UAE; Centre for Research Impact & Outcome, Chitkara College of Pharmacy, Chitkara University, Rajpura, Punjab 140401, India.
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Khan S, Bano N, Ahamad S, John U, Dar NJ, Bhat SA. Excitotoxicity, Oxytosis/Ferroptosis, and Neurodegeneration: Emerging Insights into Mitochondrial Mechanisms. Aging Dis 2024:AD.2024.0125-1. [PMID: 39122453 DOI: 10.14336/ad.2024.0125-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 08/01/2024] [Indexed: 08/12/2024] Open
Abstract
Mitochondrial dysfunction plays a pivotal role in the development of age-related diseases, particularly neurodegenerative disorders. The etiology of mitochondrial dysfunction involves a multitude of factors that remain elusive. This review centers on elucidating the role(s) of excitotoxicity, oxytosis/ferroptosis and neurodegeneration within the context of mitochondrial bioenergetics, biogenesis, mitophagy and oxidative stress and explores their intricate interplay in the pathogenesis of neurodegenerative diseases. The effective coordination of mitochondrial turnover processes, notably mitophagy and biogenesis, is assumed to be critically important for cellular resilience and longevity. However, the age-associated decrease in mitophagy impedes the elimination of dysfunctional mitochondria, consequently impairing mitochondrial biogenesis. This deleterious cascade results in the accumulation of damaged mitochondria and deterioration of cellular functions. Both excitotoxicity and oxytosis/ferroptosis have been demonstrated to contribute significantly to the pathophysiology of neurodegenerative diseases, including Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's Disease (HD), Amyotrophic Lateral Sclerosis (ALS) and Multiple Sclerosis (MS). Excitotoxicity, characterized by excessive glutamate signaling, initiates a cascade of events involving calcium dysregulation, energy depletion, and oxidative stress and is intricately linked to mitochondrial dysfunction. Furthermore, emerging concepts surrounding oxytosis/ferroptosis underscore the importance of iron-dependent lipid peroxidation and mitochondrial engagement in the pathogenesis of neurodegeneration. This review not only discusses the individual contributions of excitotoxicity and ferroptosis but also emphasizes their convergence with mitochondrial dysfunction, a key driver of neurodegenerative diseases. Understanding the intricate crosstalk between excitotoxicity, oxytosis/ferroptosis, and mitochondrial dysfunction holds potential to pave the way for mitochondrion-targeted therapeutic strategies. Such strategies, with a focus on bioenergetics, biogenesis, mitophagy, and oxidative stress, emerge as promising avenues for therapeutic intervention.
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Affiliation(s)
- Sameera Khan
- Department of Zoology, Aligarh Muslim University, Aligarh-202002, India
| | - Nargis Bano
- Department of Zoology, Aligarh Muslim University, Aligarh-202002, India
| | - Shakir Ahamad
- Department of Chemistry, Aligarh Muslim University, Aligarh-202002, India
| | - Urmilla John
- School of Studies in Neuroscience, Jiwaji University, Gwalior, India; School of Studies in Zoology, Jiwaji University, Gwalior, India
| | - Nawab John Dar
- CNB, SALK Institute of Biological Sciences, La Jolla, CA 92037, USA
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Yin JH, Horzmann KA. Embryonic Zebrafish as a Model for Investigating the Interaction between Environmental Pollutants and Neurodegenerative Disorders. Biomedicines 2024; 12:1559. [PMID: 39062132 PMCID: PMC11275083 DOI: 10.3390/biomedicines12071559] [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: 06/10/2024] [Revised: 07/08/2024] [Accepted: 07/11/2024] [Indexed: 07/28/2024] Open
Abstract
Environmental pollutants have been linked to neurotoxicity and are proposed to contribute to neurodegenerative disorders. The zebrafish model provides a high-throughput platform for large-scale chemical screening and toxicity assessment and is widely accepted as an important animal model for the investigation of neurodegenerative disorders. Although recent studies explore the roles of environmental pollutants in neurodegenerative disorders in zebrafish models, current knowledge of the mechanisms of environmentally induced neurodegenerative disorders is relatively complex and overlapping. This review primarily discusses utilizing embryonic zebrafish as the model to investigate environmental pollutants-related neurodegenerative disease. We also review current applicable approaches and important biomarkers to unravel the underlying mechanism of environmentally related neurodegenerative disorders. We found embryonic zebrafish to be a powerful tool that provides a platform for evaluating neurotoxicity triggered by environmentally relevant concentrations of neurotoxic compounds. Additionally, using variable approaches to assess neurotoxicity in the embryonic zebrafish allows researchers to have insights into the complex interaction between environmental pollutants and neurodegenerative disorders and, ultimately, an understanding of the underlying mechanisms related to environmental toxicants.
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Affiliation(s)
| | - Katharine A. Horzmann
- Department of Pathobiology, College of Veterinary Medicine, Auburn University, Auburn, AL 36849, USA;
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Lee JY, Lim MCX, Koh RY, Tsen MT, Chye SM. Blood-based therapies to combat neurodegenerative diseases. Metab Brain Dis 2024; 39:985-1004. [PMID: 38842660 DOI: 10.1007/s11011-024-01368-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2023] [Accepted: 05/31/2024] [Indexed: 06/07/2024]
Abstract
Neurodegeneration, known as the progressive loss of neurons in terms of their structure and function, is the principal pathophysiological change found in the majority of brain-related disorders. Ageing has been considered the most well-established risk factor in most common neurodegenerative diseases, such as Parkinson's disease (PD) and Alzheimer's disease (AD). There is currently no effective treatment or cure for these diseases; the approved therapeutic options to date are only for palliative care. Ageing and neurodegenerative diseases are closely intertwined; reversing the aspects of brain ageing could theoretically mitigate age-related neurodegeneration. Ever since the regenerative properties of young blood on aged tissues came to light, substantial efforts have been focused on identifying and characterizing the circulating factors in the young and old systemic milieu that may attenuate or accentuate brain ageing and neurodegeneration. Later studies discovered the superiority of old plasma dilution in tissue rejuvenation, which is achieved through a molecular reset of the systemic proteome. These findings supported the use of therapeutic blood exchange for the treatment of degenerative diseases in older individuals. The first objective of this article is to explore the rejuvenating properties of blood-based therapies in the ageing brains and their therapeutic effects on AD. Then, we also look into the clinical applications, various limitations, and challenges associated with blood-based therapies for AD patients.
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Affiliation(s)
- Jia Yee Lee
- School of Health Science, International Medical University, 57000, Kuala Lumpur, Malaysia
| | - Mervyn Chen Xi Lim
- School of Health Science, International Medical University, 57000, Kuala Lumpur, Malaysia
| | - Rhun Yian Koh
- Division of Applied Biomedical Science and Biotechnology, School of Health Science, International Medical University, No. 126, Jalan Jalil Perkasa 19, Bukit Jalil, 57000, Kuala Lumpur, Malaysia
| | - Min Tze Tsen
- Division of Applied Biomedical Science and Biotechnology, School of Health Science, International Medical University, No. 126, Jalan Jalil Perkasa 19, Bukit Jalil, 57000, Kuala Lumpur, Malaysia
| | - Soi Moi Chye
- Division of Applied Biomedical Science and Biotechnology, School of Health Science, International Medical University, No. 126, Jalan Jalil Perkasa 19, Bukit Jalil, 57000, Kuala Lumpur, Malaysia.
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Piergiorge RM, Vasconcelos ATRD, Santos-Rebouças CB. Understanding the (epi)genetic dysregulation in Parkinson's disease through an integrative brain competitive endogenous RNA network. Mech Ageing Dev 2024; 219:111942. [PMID: 38762037 DOI: 10.1016/j.mad.2024.111942] [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: 04/03/2024] [Revised: 05/10/2024] [Accepted: 05/12/2024] [Indexed: 05/20/2024]
Abstract
Parkinson's disease (PD) is a rapidly growing neurodegenerative disorder characterized by dopaminergic neuron loss in the substantia nigra pars compacta (SN) and aggregation of α-synuclein. Its aetiology involves a multifaceted interplay among genetic, environmental, and epigenetic factors. We integrated brain gene expression data from PD patients to construct a comprehensive regulatory network encompassing messenger RNAs (mRNAs), microRNAs (miRNAs), circular RNAs (circRNAs) and, for the first time, RNA binding proteins (RBPs). Expression data from the SN of PD patients and controls were systematically selected from public databases to identify combined differentially expressed genes (DEGs). Brain co-expression analysis revealed modules comprising significant DEGs that function cooperatively. The relationships among co-expressed DEGs, miRNAs, circRNAs, and RBPs revealed an intricate competitive endogenous RNA (ceRNA) network responsible for post-transcriptional dysregulation in PD. Many genes in the ceRNA network, including the TOMM20 and HMGCR genes, overlap with the most relevant genes in our previous Alzheimer's disease-associated ceRNA network, suggesting common underlying mechanisms between both conditions. Moreover, in the ceRNA subnetwork, the RBP Aly/REF export factor (ALYREF), which acts as an RNA 5-methylcytosine(m5C)-binding protein, stood out. Our data sheds new light on the potential role of brain ceRNA networks in PD pathogenesis.
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Affiliation(s)
- Rafael Mina Piergiorge
- Department of Genetics, Institute of Biology Roberto Alcantara Gomes, Rio de Janeiro State University, Rio de Janeiro, Brazil
| | | | - Cíntia Barros Santos-Rebouças
- Department of Genetics, Institute of Biology Roberto Alcantara Gomes, Rio de Janeiro State University, Rio de Janeiro, Brazil.
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Pujol A, Sanchis P, Tamayo MI, Nicolau J, Grases F, Espino A, Estremera A, Rigo E, Amengual GJ, Rodríguez M, Ribes JL, Gomila I, Simó-Servat O, Masmiquel L. Oral phytate supplementation on the progression of mild cognitive impairment, brain iron deposition and diabetic retinopathy in patients with type 2 diabetes: a concept paper for a randomized double blind placebo controlled trial (the PHYND trial). Front Endocrinol (Lausanne) 2024; 15:1332237. [PMID: 38872972 PMCID: PMC11169791 DOI: 10.3389/fendo.2024.1332237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Accepted: 05/14/2024] [Indexed: 06/15/2024] Open
Abstract
Type 2 diabetes mellitus has a worldwide prevalence of 10.5% in the adult population (20-79 years), and by 2045, the prevalence is expected to keep rising to one in eight adults living with diabetes. Mild cognitive impairment has a global prevalence of 19.7% in adults aged 50 years. Both conditions have shown a concerning increase in prevalence rates over the past 10 years, highlighting a growing public health challenge. Future forecasts indicate that the prevalence of dementia (no estimations done for individuals with mild cognitive impairment) is expected to nearly triple by 2050. Type 2 diabetes mellitus is a risk factor for the development of cognitive impairment, and such impairment increase the likelihood of poor glycemic/metabolic control. High phytate intake has been shown to be a protective factor against the development of cognitive impairment in observational studies. Diary phytate intake might reduce the micro- and macrovascular complications of patients with type 2 diabetes mellitus through different mechanisms. We describe the protocol of the first trial (the PHYND trial) that evaluate the effect of daily phytate supplementation over 56 weeks with a two-arm double-blind placebo-controlled study on the progression of mild cognitive impairment, cerebral iron deposition, and retinal involvement in patients with type 2 diabetes mellitus. Our hypothesis proposes that phytate, by inhibiting advanced glycation end product formation and chelating transition metals, will improve cognitive function and attenuate the progression from Mild Cognitive Impairment to dementia in individuals with type 2 diabetes mellitus and mild cognitive impairment. Additionally, we predict that phytate will reduce iron accumulation in the central nervous system, mitigate neurodegenerative changes in both the central nervous system and retina, and induce alterations in biochemical markers associated with neurodegeneration.
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Affiliation(s)
- Antelm Pujol
- Vascular and Metabolic Diseases Research Group, Endocrinology Department, Son Llàtzer University Hospital, Health Research Institute of the Balearic Islands (IdISBa), Palma de Mallorca, Spain
| | - Pilar Sanchis
- Vascular and Metabolic Diseases Research Group, Endocrinology Department, Son Llàtzer University Hospital, Health Research Institute of the Balearic Islands (IdISBa), Palma de Mallorca, Spain
- Laboratory of Renal Lithiasis Research, University of Balearic Islands, Research Institute of Health Science (IUNICS) Health Research Institute of Balearic Islands, (IdISBa), Palma de Mallorca, Spain
| | - María I. Tamayo
- Vascular and Metabolic Diseases Research Group, Endocrinology Department, Son Llàtzer University Hospital, Health Research Institute of the Balearic Islands (IdISBa), Palma de Mallorca, Spain
| | - Joana Nicolau
- Vascular and Metabolic Diseases Research Group, Endocrinology Department, Son Llàtzer University Hospital, Health Research Institute of the Balearic Islands (IdISBa), Palma de Mallorca, Spain
| | - Félix Grases
- Laboratory of Renal Lithiasis Research, University of Balearic Islands, Research Institute of Health Science (IUNICS) Health Research Institute of Balearic Islands, (IdISBa), Palma de Mallorca, Spain
| | - Ana Espino
- Neurology Department, Son Llàtzer University Hospital, Palma de Mallorca, Spain
| | - Ana Estremera
- Neuroradiology Unit, Son Llàtzer University Hospital, Palma de Mallorca, Spain
| | - Elena Rigo
- Neuroopthalmology Unit, Son Llàtzer University Hospital, Palma de Mallorca, Spain
| | | | - Manuel Rodríguez
- Neuroradiology Unit, Son Llàtzer University Hospital, Palma de Mallorca, Spain
| | - José L. Ribes
- Biochemistry Department, Son Llàtzer University Hospital, Palma de Mallorca, Spain
| | - Isabel Gomila
- Biochemistry Department, Son Llàtzer University Hospital, Palma de Mallorca, Spain
| | - Olga Simó-Servat
- Diabetes and Metabolism Research Unit, Vall d’Hebron Research Institute, Universitat Autònoma de Barcelona, Barcelona, Spain
| | - Lluís Masmiquel
- Vascular and Metabolic Diseases Research Group, Endocrinology Department, Son Llàtzer University Hospital, Health Research Institute of the Balearic Islands (IdISBa), Palma de Mallorca, Spain
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Shukla H, John D, Banerjee S, Tiwari AK. Drug repurposing for neurodegenerative diseases. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2024; 207:249-319. [PMID: 38942541 DOI: 10.1016/bs.pmbts.2024.03.035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/30/2024]
Abstract
Neurodegenerative diseases (NDDs) are neuronal problems that include the brain and spinal cord and result in loss of sensory and motor dysfunction. Common NDDs include Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD), Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS) etc. The occurrence of these diseases increases with age and is one of the challenging problems among elderly people. Though, several scientific research has demonstrated the key pathologies associated with NDDs still the underlying mechanisms and molecular details are not well understood and need to be explored and this poses a lack of effective treatments for NDDs. Several lines of evidence have shown that NDDs have a high prevalence and affect more than a billion individuals globally but still, researchers need to work forward in identifying the best therapeutic target for NDDs. Thus, several researchers are working in the directions to find potential therapeutic targets to alter the disease pathology and treat the diseases. Several steps have been taken to identify the early detection of the disease and drug repurposing for effective treatment of NDDs. Moreover, it is logical that current medications are being evaluated for their efficacy in treating such disorders; therefore, drug repurposing would be an efficient, safe, and cost-effective way in finding out better medication. In the current manuscript we discussed the utilization of drugs that have been repurposed for the treatment of AD, PD, HD, MS, and ALS.
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Affiliation(s)
- Halak Shukla
- Department of Biotechnology and Bioengineering, Institute of Advanced Research (IAR), Gandhinagar, Gujarat, India
| | - Diana John
- Department of Biotechnology and Bioengineering, Institute of Advanced Research (IAR), Gandhinagar, Gujarat, India
| | - Shuvomoy Banerjee
- Department of Biotechnology and Bioengineering, Institute of Advanced Research (IAR), Gandhinagar, Gujarat, India
| | - Anand Krishna Tiwari
- Genetics and Developmental Biology Laboratory, Department of Biotechnology and Bioengineering, Institute of Advanced Research (IAR), Gandhinagar, Gujarat, India.
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Tapia-Arellano A, Cabrera P, Cortés-Adasme E, Riveros A, Hassan N, Kogan MJ. Tau- and α-synuclein-targeted gold nanoparticles: applications, opportunities, and future outlooks in the diagnosis and therapy of neurodegenerative diseases. J Nanobiotechnology 2024; 22:248. [PMID: 38741193 DOI: 10.1186/s12951-024-02526-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Accepted: 05/02/2024] [Indexed: 05/16/2024] Open
Abstract
The use of nanomaterials in medicine offers multiple opportunities to address neurodegenerative disorders such as Alzheimer's and Parkinson's disease. These diseases are a significant burden for society and the health system, affecting millions of people worldwide without sensitive and selective diagnostic methodologies or effective treatments to stop their progression. In this sense, the use of gold nanoparticles is a promising tool due to their unique properties at the nanometric level. They can be functionalized with specific molecules to selectively target pathological proteins such as Tau and α-synuclein for Alzheimer's and Parkinson's disease, respectively. Additionally, these proteins are used as diagnostic biomarkers, wherein gold nanoparticles play a key role in enhancing their signal, even at the low concentrations present in biological samples such as blood or cerebrospinal fluid, thus enabling an early and accurate diagnosis. On the other hand, gold nanoparticles act as drug delivery platforms, bringing therapeutic agents directly into the brain, improving treatment efficiency and precision, and reducing side effects in healthy tissues. However, despite the exciting potential of gold nanoparticles, it is crucial to address the challenges and issues associated with their use in the medical field before they can be widely applied in clinical settings. It is critical to ensure the safety and biocompatibility of these nanomaterials in the context of the central nervous system. Therefore, rigorous preclinical and clinical studies are needed to assess the efficacy and feasibility of these strategies in patients. Since there is scarce and sometimes contradictory literature about their use in this context, the main aim of this review is to discuss and analyze the current state-of-the-art of gold nanoparticles in relation to delivery, diagnosis, and therapy for Alzheimer's and Parkinson's disease, as well as recent research about their use in preclinical, clinical, and emerging research areas.
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Affiliation(s)
- Andreas Tapia-Arellano
- Instituto Universitario de Investigación y Desarrollo Tecnológico (IDT), Universidad Tecnológica Metropolitana, Santiago, Chile.
- Facultad de Cs. Qcas. y Farmacéuticas, Universidad de Chile, Santiago, Chile.
- Advanced Center for Chronic Diseases (ACCDis), Santiago, Chile.
- Millenium Nucleus in NanoBioPhysics, Valparaíso, Chile.
| | - Pablo Cabrera
- Facultad de Cs. Qcas. y Farmacéuticas, Universidad de Chile, Santiago, Chile
- Advanced Center for Chronic Diseases (ACCDis), Santiago, Chile
| | - Elizabeth Cortés-Adasme
- Facultad de Cs. Qcas. y Farmacéuticas, Universidad de Chile, Santiago, Chile
- Advanced Center for Chronic Diseases (ACCDis), Santiago, Chile
| | - Ana Riveros
- Facultad de Cs. Qcas. y Farmacéuticas, Universidad de Chile, Santiago, Chile
- Advanced Center for Chronic Diseases (ACCDis), Santiago, Chile
| | - Natalia Hassan
- Instituto Universitario de Investigación y Desarrollo Tecnológico (IDT), Universidad Tecnológica Metropolitana, Santiago, Chile.
- Advanced Center for Chronic Diseases (ACCDis), Santiago, Chile.
- Millenium Nucleus in NanoBioPhysics, Valparaíso, Chile.
| | - Marcelo J Kogan
- Facultad de Cs. Qcas. y Farmacéuticas, Universidad de Chile, Santiago, Chile.
- Advanced Center for Chronic Diseases (ACCDis), Santiago, Chile.
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Qiu S, Sun M, Xu Y, Hu Y. Integrating multi-omics data to reveal the effect of genetic variant rs6430538 on Alzheimer's disease risk. Front Neurosci 2024; 18:1277187. [PMID: 38562299 PMCID: PMC10982421 DOI: 10.3389/fnins.2024.1277187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 02/26/2024] [Indexed: 04/04/2024] Open
Abstract
Introduction Growing evidence highlights a potential genetic overlap between Alzheimer's disease (AD) and Parkinson's disease (PD); however, the role of the PD risk variant rs6430538 in AD remains unclear. Methods In Stage 1, we investigated the risk associated with the rs6430538 C allele in seven large-scale AD genome-wide association study (GWAS) cohorts. In Stage 2, we performed expression quantitative trait loci (eQTL) analysis to calculate the cis-regulated effect of rs6430538 on TMEM163 in both AD and neuropathologically normal samples. Stage 3 involved evaluating the differential expression of TMEM163 in 4 brain tissues from AD cases and controls. Finally, in Stage 4, we conducted a transcriptome-wide association study (TWAS) to identify any association between TMEM163 expression and AD. Results The results showed that genetic variant rs6430538 C allele might increase the risk of AD. eQTL analysis revealed that rs6430538 up-regulated TMEM163 expression in AD brain tissue, but down-regulated its expression in normal samples. Interestingly, TMEM163 showed differential expression in entorhinal cortex (EC) and temporal cortex (TCX). Furthermore, the TWAS analysis indicated strong associations between TMEM163 and AD in various tissues. Discussion In summary, our findings suggest that rs6430538 may influence AD by regulating TMEM163 expression. These discoveries may open up new opportunities for therapeutic strategies targeting AD.
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Affiliation(s)
- Shizheng Qiu
- School of Computer Science and Technology, Harbin Institute of Technology, Harbin, China
| | - Meili Sun
- Beidahuang Industry Group General Hospital, Harbin, China
| | - Yanwei Xu
- Beidahuang Group Neuropsychiatric Hospital, Jiamusi, China
| | - Yang Hu
- School of Computer Science and Technology, Harbin Institute of Technology, Harbin, China
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Zhao H, Zhou X, Fu K, Duan Y, Wen Q, Wang S, Zhan S. Prospective cohort study evaluating the association between influenza vaccination and neurodegenerative diseases. NPJ Vaccines 2024; 9:51. [PMID: 38431710 PMCID: PMC10908860 DOI: 10.1038/s41541-024-00841-z] [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: 11/09/2023] [Accepted: 02/09/2024] [Indexed: 03/05/2024] Open
Abstract
The effect of influenza vaccination (FluVac) on the risk of neurodegenerative diseases has not been well evaluated in prospective populations. We aimed to assess the association between FluVac and the risk of dementia and Parkinson's disease (PD) in people aged 60 years or older through a prospective population-based cohort from the UK Biobank. A time-varying Cox regression model adjusted for baseline and repeatedly measured covariates was used to estimate the hazard ratio (HR) and 95% confidence interval (CI) of the association between influenza vaccination and risk of dementia/PD. We took into account 70,938 participants in the cohort, including 38,328 participants who got vaccinated. During a median follow-up period of 12.2 years, 2087 incident dementia cases occurred, including 281 cases who received FluVac and 1806 cases who were not vaccinated. In addition, 742 incident PD cases occurred, among whom 131 cases received FluVac and 611 PD cases did not receive FluVac. FluVac was associated with reduced dementia risk with an HR of 0.83 (95% CI, 0.72-0.95) but was not associated with PD incidence (HR = 1.07; 95% CI, 0.87-1.32) after controlling baseline and repeatedly measured covariates. Further, among all dementia cases, there were 733 Alzheimer's disease (AD) (94 vaccinated cases and 639 non-vaccinated cases), 307 vascular dementia (VD) (34 vaccinated cases and 273 non-vaccinated cases), and 1047 cases with other dementias (OD) (153 vaccinated cases and 894 non-vaccinated cases). The HRs for the associations between FluVac and AD, VD, and OD were 0.79 (95% CI, 0.63-1.00), 0.58 (95% CI, 0.39-0.86), and 0.94 (95% CI, 0.78-1.14) respectively. A dose-response relationship was found in the association between FluVac and dementia but not in the association with PD. A major limitation of the study is the low accuracy in the diagnosis of dementia subtypes, namely AD, VD, and OD. However, Results of sensitivity analyses were consistent with the primary analyses. In conclusion, influenza vaccination is significantly associated with a reduced risk of incident dementia but not PD in community-dwelling adults in the UK Biobank population.
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Affiliation(s)
- Houyu Zhao
- School of Medicine, Chongqing University, Chongqing, China.
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China.
- Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing, China.
| | - Xuan Zhou
- Department of Biostatistics, School of Global Public Health, New York University, New York, USA
| | - Kexin Fu
- Department of Biostatistics, School of Global Public Health, New York University, New York, USA
| | - Yunxiao Duan
- Department of Biostatistics, Yale School of Public Health, Yale University, New Haven, USA
| | - Qiaorui Wen
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China
- Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing, China
| | - Shengfeng Wang
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China.
- Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing, China.
| | - Siyan Zhan
- Department of Epidemiology and Biostatistics, School of Public Health, Peking University, Beijing, China.
- Key Laboratory of Epidemiology of Major Diseases (Peking University), Ministry of Education, Beijing, China.
- Research Center of Clinical Epidemiology, Peking University Third Hospital, Beijing, China.
- Center for Intelligent Public Health, Institute for Artificial Intelligence, Peking University, Beijing, China.
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12
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Shah MA, Faheem HI, Hamid A, Yousaf R, Haris M, Saleem U, Shah GM, Alhasani RH, Althobaiti NA, Alsharif I, Silva AS. The entrancing role of dietary polyphenols against the most frequent aging-associated diseases. Med Res Rev 2024; 44:235-274. [PMID: 37486109 DOI: 10.1002/med.21985] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 01/27/2023] [Accepted: 07/06/2023] [Indexed: 07/25/2023]
Abstract
Aging, a fundamental physiological process influenced by innumerable biological and genetic pathways, is an important driving factor for several aging-associated disorders like diabetes mellitus, osteoporosis, cancer, and neurodegenerative diseases including Alzheimer's and Parkinson's diseases. In the modern era, the several mechanisms associated with aging have been deeply studied. Treatment and therapeutics for age-related diseases have also made considerable advances; however, for the effective and long-lasting treatment, nutritional therapy particularly including dietary polyphenols from the natural origin are endorsed. These dietary polyphenols (e.g., apigenin, baicalin, curcumin, epigallocatechin gallate, kaempferol, quercetin, resveratrol, and theaflavin), and many other phytochemicals target certain molecular, genetic mechanisms. The most common pathways of age-associated diseases are mitogen-activated protein kinase, reactive oxygen species production, nuclear factor kappa light chain enhancer of activated B cells signaling pathways, metal chelation, c-Jun N-terminal kinase, and inflammation. Polyphenols slow down the course of aging and help in combatting age-linked disorders. This exemplified in the form of clinical trials on specific dietary polyphenols in various aging-associated diseases. With this context in mind, this review reveals the new insights to slow down the aging process, and consequently reduce some classic diseases associated with age such as aforementioned, and targeting age-associated diseases by the activities of dietary polyphenols of natural origin.
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Affiliation(s)
| | - Hafiza Ishmal Faheem
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Pakistan
| | - Ayesha Hamid
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Pakistan
| | - Rimsha Yousaf
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Pakistan
| | - Muhammad Haris
- Faculty of Pharmaceutical Sciences, Universiteit Gent, Ghent, Belgium
| | - Uzma Saleem
- Department of Pharmacology, Faculty of Pharmaceutical Sciences, Government College University, Faisalabad, Pakistan
| | - Ghulam Mujtaba Shah
- Department of Botany, Faculty of Health and Biological Sciences, Hazara University, Mansehra, Pakistan
| | - Reem H Alhasani
- Department of Biology, Faculty of Applied Science, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Norah A Althobaiti
- Department of Biology, College of Science and Humanities, Shaqra University, Al-Quwaiiyah, Saudi Arabia
| | - Ifat Alsharif
- Department of Biology, Jamoum University College, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Ana Sanches Silva
- National Institute for Agrarian and Veterinary Research (INIAV), I.P., Rua dos Lágidos, Lugar da Madalena, Vairão, Vila do Conde, Portugal
- University of Coimbra, Faculty of Pharmacy, Polo III, Azinhaga de St Comba, Coimbra, Portugal
- Centre for Animal Science Studies (CECA), ICETA, University of Porto, Porto, Portugal
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13
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Pruntel SM, van Munster BC, de Vries JJ, Vissink A, Visser A. Oral Health as a Risk Factor for Alzheimer Disease. J Prev Alzheimers Dis 2024; 11:249-258. [PMID: 38230738 PMCID: PMC10994994 DOI: 10.14283/jpad.2023.82] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 06/05/2023] [Indexed: 01/18/2024]
Abstract
In patients with Alzheimer's disease pathophysiological changes of the brain that initiate the onset of Alzheimer's disease include accumulation of amyloid-β plaques and phosphorylation of tau-tangles. A rather recently considered risk factor for the onset of Alzheimer's disease is poor oral health. The aim of this systematic review of the literature was to assess the potential association(s) of oral health as a risk factor for the onset of Alzheimer's disease. After a systematic search of Pubmed, Embase and Web of Science. A total of 1962 studies were assessed, of which 17 studies demonstrated possible associations between oral health diseases and Alzheimer's disease. 4 theories could be distinguished that describe the possible links between oral health and the development or onset of Alzheimer's disease; 1) role of pathogens, 2) role of inflammatory mediators, 3) role of APOE alleles and 4) role of Aβ peptide. The main common denominator of all the theories is the neuroinflammation due to poor oral health. Yet, there is insufficient evidence to prove a link due to the diversity of the designs used and the quality of the study design of the included studies. Therefore, further research is needed to find causal links between oral health and neuroinflammation that possibly can lead to the onset of Alzheimer's disease with the future intention to prevent cognitive decline by better dental care.
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Affiliation(s)
- S M Pruntel
- Anita Visser, Department of Gerodontology, Center for Dentistry and Oral Hygiene, University Medical Center Groningen and University of Groningen, Antonius Deusinglaan 1, Groningen, Groningen, 9713 AV, The Netherlands, Tel: 050 361 3840, E-mail:
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14
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Huang Y, Zhang M, Jin M, Ma T, Guo J, Zhai X, Du Y. Recent Advances on Cerium Oxide-Based Biomaterials: Toward the Next Generation of Intelligent Theranostics Platforms. Adv Healthc Mater 2023; 12:e2300748. [PMID: 37314429 DOI: 10.1002/adhm.202300748] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2023] [Revised: 05/24/2023] [Indexed: 06/15/2023]
Abstract
Disease or organ damage due to unhealthy living habits, or accidents, is inevitable. Discovering an efficient strategy to address these problems is urgently needed in the clinic. In recent years, the biological applications of nanotechnology have received extensive attention. Among them, as a widely used rare earth oxide, cerium oxide (CeO2 ) has shown good application prospects in biomedical fields due to its attractive physical and chemical properties. Here, the enzyme-like mechanism of CeO2 is elucidated, and the latest research progress in the biomedical field is reviewed. At the nanoscale, Ce ions in CeO2 can be reversibly converted between +3 and +4. The conversion process is accompanied by the generation and elimination of oxygen vacancies, which give CeO2 the performance of dual redox properties. This property facilitates nano-CeO2 to catalyze the scavenging of excess free radicals in organisms, hence providing a possibility for the treatment of oxidative stress diseases such as diabetic foot, arthritis, degenerative neurological diseases, and cancer. In addition, relying on its excellent catalytic properties, customizable life-signaling factor detectors based on electrochemical techniques are developed. At the end of this review, an outlook on the opportunities and challenges of CeO2 in various fields is provided.
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Affiliation(s)
- Yongkang Huang
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China
- College of Chemistry, Nankai University, Tianjin, 300350, China
| | - Mengzhen Zhang
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China
- College of Chemistry, Nankai University, Tianjin, 300350, China
| | - Mengdie Jin
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China
| | - Tengfei Ma
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China
| | - Jialiang Guo
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China
| | - Xinyun Zhai
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China
| | - Yaping Du
- Tianjin Key Lab for Rare Earth Materials and Applications, Center for Rare Earth and Inorganic Functional Materials, School of Materials Science and Engineering, National Institute for Advanced Materials, Nankai University, Tianjin, 300350, China
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Vincent B, Maitra S. BACE1-dependent metabolism of neuregulin 1: Bridging the gap in explaining the occurrence of schizophrenia-like symptoms in Alzheimer's disease with psychosis? Ageing Res Rev 2023; 89:101988. [PMID: 37331479 DOI: 10.1016/j.arr.2023.101988] [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: 03/08/2023] [Revised: 06/14/2023] [Accepted: 06/15/2023] [Indexed: 06/20/2023]
Abstract
Alzheimer's disease is a neurodegenerative disease mainly characterized by cortico-neuronal atrophy, impaired memory and other cognitive declines. On the other hand, schizophrenia is a neuro-developmental disorder with an overtly active central nervous system pruning system resulting into abrupt connections with common symptoms including disorganised thoughts, hallucination and delusion. Nevertheless, the fronto-temporal anomaly presents itself as a common denominator for the two pathologies. There is even a strong presumption of increased risk of developing co-morbid dementia for schizophrenic individuals and psychosis for Alzheimer's disease patients, overall leading to a further deteriorated quality of life. However, convincing proofs of how these two disorders, although very distant from each other when considering their aetiology, develop coexisting symptoms is yet to be resolved. At the molecular level, the two primarily neuronal proteins β-amyloid precursor protein and neuregulin 1 have been considered in this relevant context, although the conclusions are for the moment only hypotheses. In order to propose a model for explaining the psychotic schizophrenia-like symptoms that sometimes accompany AD-associated dementia, this review projects out on the similar sensitivity shared by these two proteins regarding their metabolism by the β-site APP cleaving enzyme 1.
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Affiliation(s)
- Bruno Vincent
- Institute of Molecular and Cellular Pharmacology, Laboratory of Excellence DistALZ, Université Côte d'Azur, INSERM, CNRS, Sophia-Antipolis, 06560 Valbonne, France.
| | - Subhamita Maitra
- Department of Molecular Biology, Umeå University, Umeå 90736, Sweden
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16
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Puricelli C, Gigliotti CL, Stoppa I, Sacchetti S, Pantham D, Scomparin A, Rolla R, Pizzimenti S, Dianzani U, Boggio E, Sutti S. Use of Poly Lactic-co-glycolic Acid Nano and Micro Particles in the Delivery of Drugs Modulating Different Phases of Inflammation. Pharmaceutics 2023; 15:1772. [PMID: 37376219 DOI: 10.3390/pharmaceutics15061772] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2023] [Revised: 06/12/2023] [Accepted: 06/16/2023] [Indexed: 06/29/2023] Open
Abstract
Chronic inflammation contributes to the pathogenesis of many diseases, including apparently unrelated conditions such as metabolic disorders, cardiovascular diseases, neurodegenerative diseases, osteoporosis, and tumors, but the use of conventional anti-inflammatory drugs to treat these diseases is generally not very effective given their adverse effects. In addition, some alternative anti-inflammatory medications, such as many natural compounds, have scarce solubility and stability, which are associated with low bioavailability. Therefore, encapsulation within nanoparticles (NPs) may represent an effective strategy to enhance the pharmacological properties of these bioactive molecules, and poly lactic-co-glycolic acid (PLGA) NPs have been widely used because of their high biocompatibility and biodegradability and possibility to finely tune erosion time, hydrophilic/hydrophobic nature, and mechanical properties by acting on the polymer's composition and preparation technique. Many studies have been focused on the use of PLGA-NPs to deliver immunosuppressive treatments for autoimmune and allergic diseases or to elicit protective immune responses, such as in vaccination and cancer immunotherapy. By contrast, this review is focused on the use of PLGA NPs in preclinical in vivo models of other diseases in which a key role is played by chronic inflammation or unbalance between the protective and reparative phases of inflammation, with a particular focus on intestinal bowel disease; cardiovascular, neurodegenerative, osteoarticular, and ocular diseases; and wound healing.
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Affiliation(s)
- Chiara Puricelli
- Department of Health Sciences, Università del Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy
- Maggiore della Carità University Hospital, Corso Mazzini 18, 28100 Novara, Italy
| | - Casimiro Luca Gigliotti
- Department of Health Sciences, Università del Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy
- NOVAICOS s.r.l.s, Via Amico Canobio 4/6, 28100 Novara, Italy
| | - Ian Stoppa
- Department of Health Sciences, Università del Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy
| | - Sara Sacchetti
- Department of Health Sciences, Università del Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy
- Maggiore della Carità University Hospital, Corso Mazzini 18, 28100 Novara, Italy
| | - Deepika Pantham
- Department of Health Sciences, Università del Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy
- NOVAICOS s.r.l.s, Via Amico Canobio 4/6, 28100 Novara, Italy
| | - Anna Scomparin
- Department of Drug Science and Technology, University of Torino, 10125 Turin, Italy
- Department of Physiology and Pharmacology, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel
| | - Roberta Rolla
- Department of Health Sciences, Università del Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy
- Maggiore della Carità University Hospital, Corso Mazzini 18, 28100 Novara, Italy
| | - Stefania Pizzimenti
- Department of Clinical and Biological Science, University of Turin, Corso Raffaello 30, 10125 Torino, Italy
| | - Umberto Dianzani
- Department of Health Sciences, Università del Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy
- Maggiore della Carità University Hospital, Corso Mazzini 18, 28100 Novara, Italy
| | - Elena Boggio
- Department of Health Sciences, Università del Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy
- NOVAICOS s.r.l.s, Via Amico Canobio 4/6, 28100 Novara, Italy
| | - Salvatore Sutti
- Department of Health Sciences, Università del Piemonte Orientale, Via Solaroli 17, 28100 Novara, Italy
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Lv Y, Wu M, Wang Z, Wang J. Ferroptosis: From regulation of lipid peroxidation to the treatment of diseases. Cell Biol Toxicol 2023; 39:827-851. [PMID: 36459356 DOI: 10.1007/s10565-022-09778-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Accepted: 11/11/2022] [Indexed: 12/04/2022]
Abstract
Ferroptosis is a regulated cell death mainly manifested by iron-dependent lipid peroxide accumulation. The leading cause of ferroptosis is the imbalance of intracellular oxidative systems (e.g., LOXs, POR, ROS) and antioxidant systems (e.g., GSH/GPx4, CoQ10/FSP1, BH4/GCH1), which is regulated by a complex network. In the past decade, this metabolic network has been continuously refined, and the links with various pathophysiological processes have been gradually established. Apoptosis has been regarded as the only form of regulated cell death for a long time, and the application of chemotherapeutic drugs to induce apoptosis of cancer cells is the mainstream method. However, studies have reported that cancer cells' key features are resistance to apoptosis and chemotherapeutics. For high proliferation, cancer cells often have very active lipid metabolism and iron metabolism, which pave the way for ferroptosis. Interestingly, researchers found that drug-resistant or highly aggressive cancer cells are more prone to ferroptosis. Therefore, ferroptosis may be a potential strategy to eliminate cancer cells. In addition, links between ferroptosis and other diseases, such as neurological disorders and ischemia-reperfusion injury, have also been found. Understanding these diseases from the perspective of ferroptosis may provide new insights into clinical treatment. Herein, the metabolic processes in ferroptosis are reviewed, and the potential mechanisms and targets of ferroptosis in different diseases are summarized.
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Affiliation(s)
- Yonghui Lv
- School of Pharmaceutical Sciences, Shenzhen Campus of Sun Yat-Sen University, Shenzhen, 518107, China
| | - Meiying Wu
- School of Pharmaceutical Sciences, Shenzhen Campus of Sun Yat-Sen University, Shenzhen, 518107, China.
| | - Zhe Wang
- Department of Pathology, The Eighth Affiliated Hospital, Sun Yat-Sen University, Shenzhen, 518033, China.
| | - Junqing Wang
- School of Pharmaceutical Sciences, Shenzhen Campus of Sun Yat-Sen University, Shenzhen, 518107, China.
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Maszka P, Kwasniak-Butowska M, Cysewski D, Slawek J, Smolenski RT, Tomczyk M. Metabolomic Footprint of Disrupted Energetics and Amino Acid Metabolism in Neurodegenerative Diseases: Perspectives for Early Diagnosis and Monitoring of Therapy. Metabolites 2023; 13:metabo13030369. [PMID: 36984809 PMCID: PMC10057046 DOI: 10.3390/metabo13030369] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 02/20/2023] [Accepted: 02/25/2023] [Indexed: 03/06/2023] Open
Abstract
The prevalence of neurodegenerative diseases (NDs) is increasing due to the aging population and improved longevity. They are characterized by a range of pathological hallmarks, including protein aggregation, mitochondrial dysfunction, and oxidative stress. The aim of this review is to summarize the alterations in brain energy and amino acid metabolism in Alzheimer’s disease (AD), Parkinson’s disease (PD), and Huntington’s disease (HD). Based on our findings, we proposed a group of selected metabolites related to disturbed energy or mitochondrial metabolism as potential indicators or predictors of disease. We also discussed the hidden challenges of metabolomics studies in NDs and proposed future directions in this field. We concluded that biochemical parameters of brain energy metabolism disruption (obtained with metabolomics) may have potential application as a diagnostic tool for the diagnosis, prediction, and monitoring of the effectiveness of therapies for NDs. However, more studies are needed to determine the sensitivity of the proposed candidates. We suggested that the most valuable biomarkers for NDs studies could be groups of metabolites combined with other neuroimaging or molecular techniques. To attain clinically applicable results, the integration of metabolomics with other “omic” techniques might be required.
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Affiliation(s)
- Patrycja Maszka
- Department of Biochemistry, Medical University of Gdansk, 80-210 Gdansk, Poland
| | - Magdalena Kwasniak-Butowska
- Division of Neurological and Psychiatric Nursing, Medical University of Gdansk, 80-211 Gdansk, Poland
- Department of Neurology, St. Adalbert Hospital, 80-462 Gdansk, Poland
| | - Dominik Cysewski
- Clinical Research Centre, Medical University of Bialystok, 15-276 Bialystok, Poland
| | - Jaroslaw Slawek
- Division of Neurological and Psychiatric Nursing, Medical University of Gdansk, 80-211 Gdansk, Poland
- Department of Neurology, St. Adalbert Hospital, 80-462 Gdansk, Poland
| | - Ryszard T. Smolenski
- Department of Biochemistry, Medical University of Gdansk, 80-210 Gdansk, Poland
- Correspondence: (R.T.S.); (M.T.)
| | - Marta Tomczyk
- Department of Biochemistry, Medical University of Gdansk, 80-210 Gdansk, Poland
- Correspondence: (R.T.S.); (M.T.)
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Khalil HMA, El Henafy HMA, Khalil IA, Bakr AF, Fahmy MI, Younis NS, El-Shiekh RA. Hypericum perforatum L. Nanoemulsion Mitigates Cisplatin-Induced Chemobrain via Reducing Neurobehavioral Alterations, Oxidative Stress, Neuroinflammation, and Apoptosis in Adult Rats. TOXICS 2023; 11:159. [PMID: 36851034 PMCID: PMC9961500 DOI: 10.3390/toxics11020159] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2023] [Revised: 01/31/2023] [Accepted: 02/04/2023] [Indexed: 06/18/2023]
Abstract
Cisplatin (Cis) is a potent chemotherapeutic agent; however, it is linked with oxidative stress, inflammation, and apoptosis, which may harmfully affect the brain. Hypericum perforatum L. (HP L.) is a strong medicinal plant, but its hydrophobic polyphenolic compounds limit its activity. Therefore, our study aimed to investigate the neuroprotective action of HP L. and its nanoemulsion (NE) against Cis-induced neurotoxicity. The prepared HP.NE was subjected to characterization. The droplet size distribution, surface charge, and morphology were evaluated. In addition, an in vitro dissolution study was conducted. Compared to Cis-intoxicated rats, HP L. and HP.NE-treated rats displayed improved motor activity and spatial working memory. They also showed an increase in their antioxidant defense system and a reduction in the levels of pro-inflammatory cytokines in the brain. Moreover, they showed an increase in the expression levels of the PON-3 and GPX genes, which are associated with a reduction in the brain levels of COX-2 and TP-53. These findings were confirmed by reducing the immunohistochemical expression of nuclear factor kappa (NF-ƘB) and enhanced Ki-67 levels. In conclusion, HP L. is a promising herb and could be used as an adjuvant candidate to ameliorate chemotherapeutic-induced neurotoxicity. Moreover, HP.NE has superior activity in lessening Cis-induced oxidative stress, inflammation, and apoptosis in brain tissue.
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Affiliation(s)
- Heba M. A. Khalil
- Department of Veterinary Hygiene and Management, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Hanan M. A. El Henafy
- Medical Laboratory Department, Faculty of Applied Medical Sciences, October 6 University, Giza 3230911, Egypt
| | - Islam A. Khalil
- Department of Pharmaceutics, College of Pharmaceutical Sciences and Drug Manufacturing, Misr University of Science and Technology (MUST), Giza 12582, Egypt
| | - Alaa F. Bakr
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza 12211, Egypt
| | - Mohamed I. Fahmy
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Heliopolis University, Cairo 2834, Egypt
| | - Nancy S. Younis
- Department of Pharmaceutical Sciences, College of Clinical Pharmacy, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Riham A. El-Shiekh
- Department of Pharmacognosy, Faculty of Pharmacy, Cairo University, Kasr el Aini St., Cairo 11562, Egypt
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PPARs and Their Neuroprotective Effects in Parkinson's Disease: A Novel Therapeutic Approach in α-Synucleinopathy? Int J Mol Sci 2023; 24:ijms24043264. [PMID: 36834679 PMCID: PMC9963164 DOI: 10.3390/ijms24043264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 02/01/2023] [Accepted: 02/02/2023] [Indexed: 02/11/2023] Open
Abstract
Parkinson's disease (PD) is the most common α-synucleinopathy worldwide. The pathognomonic hallmark of PD is the misfolding and propagation of the α-synuclein (α-syn) protein, observed in post-mortem histopathology. It has been hypothesized that α-synucleinopathy triggers oxidative stress, mitochondrial dysfunction, neuroinflammation, and synaptic dysfunction, leading to neurodegeneration. To this date, there are no disease-modifying drugs that generate neuroprotection against these neuropathological events and especially against α-synucleinopathy. Growing evidence suggests that peroxisome proliferator-activated receptor (PPAR) agonists confer neuroprotective effects in PD, however, whether they also confer an anti-α-synucleinopathy effect is unknown. Here we analyze the reported therapeutic effects of PPARs, specifically the gamma isoform (PPARγ), in preclinical PD animal models and clinical trials for PD, and we suggest possible anti-α-synucleinopathy mechanisms acting downstream from these receptors. Elucidating the neuroprotective mechanisms of PPARs through preclinical models that mimic PD as closely as possible will facilitate the execution of better clinical trials for disease-modifying drugs in PD.
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Makdissi S, Parsons BD, Di Cara F. Towards early detection of neurodegenerative diseases: A gut feeling. Front Cell Dev Biol 2023; 11:1087091. [PMID: 36824371 PMCID: PMC9941184 DOI: 10.3389/fcell.2023.1087091] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2022] [Accepted: 01/20/2023] [Indexed: 02/10/2023] Open
Abstract
The gastrointestinal tract communicates with the nervous system through a bidirectional network of signaling pathways called the gut-brain axis, which consists of multiple connections, including the enteric nervous system, the vagus nerve, the immune system, endocrine signals, the microbiota, and its metabolites. Alteration of communications in the gut-brain axis is emerging as an overlooked cause of neuroinflammation. Neuroinflammation is a common feature of the pathogenic mechanisms involved in various neurodegenerative diseases (NDs) that are incurable and debilitating conditions resulting in progressive degeneration and death of neurons, such as in Alzheimer and Parkinson diseases. NDs are a leading cause of global death and disability, and the incidences are expected to increase in the following decades if prevention strategies and successful treatment remain elusive. To date, the etiology of NDs is unclear due to the complexity of the mechanisms of diseases involving genetic and environmental factors, including diet and microbiota. Emerging evidence suggests that changes in diet, alteration of the microbiota, and deregulation of metabolism in the intestinal epithelium influence the inflammatory status of the neurons linked to disease insurgence and progression. This review will describe the leading players of the so-called diet-microbiota-gut-brain (DMGB) axis in the context of NDs. We will report recent findings from studies in model organisms such as rodents and fruit flies that support the role of diets, commensals, and intestinal epithelial functions as an overlooked primary regulator of brain health. We will finish discussing the pivotal role of metabolisms of cellular organelles such as mitochondria and peroxisomes in maintaining the DMGB axis and how alteration of the latter can be used as early disease makers and novel therapeutic targets.
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Affiliation(s)
- Stephanie Makdissi
- Dalhousie University, Department of Microbiology and Immunology, Halifax, NS, Canada
- IWK Health Centre, Department of Pediatrics, Halifax, Canada
| | - Brendon D. Parsons
- Dalhousie University, Department of Microbiology and Immunology, Halifax, NS, Canada
| | - Francesca Di Cara
- Dalhousie University, Department of Microbiology and Immunology, Halifax, NS, Canada
- IWK Health Centre, Department of Pediatrics, Halifax, Canada
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Hassan AHE, Kim HJ, Gee MS, Park JH, Jeon HR, Lee CJ, Choi Y, Moon S, Lee D, Lee JK, Park KD, Lee YS. Positional scanning of natural product hispidol's ring-B: discovery of highly selective human monoamine oxidase-B inhibitor analogues downregulating neuroinflammation for management of neurodegenerative diseases. J Enzyme Inhib Med Chem 2022; 37:768-780. [PMID: 35196956 PMCID: PMC8881063 DOI: 10.1080/14756366.2022.2036737] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Revised: 01/25/2022] [Accepted: 01/27/2022] [Indexed: 11/03/2022] Open
Abstract
Multifunctional molecules might offer better treatment of complex multifactorial neurological diseases. Monoaminergic pathways dysregulation and neuroinflammation are common convergence points in diverse neurodegenerative and neuropsychiatric disorders. Aiming to target these diseases, polypharmacological agents modulating both monoaminergic pathways and neuroinflammatory were addressed. A library of analogues of the natural product hispidol was prepared and evaluated for inhibition of monoamine oxidases (MAOs) isoforms. Several molecules emerged as selective potential MAO B inhibitors. The most promising compounds were further evaluated in vitro for their impact on microglia viability, induced production of proinflammatory mediators and MAO-B inhibition mechanism. Amongst tested compounds, 1p was a safe potent competitive reversible MAO-B inhibitor and inhibitor of microglial production of neuroinflammatory mediators; NO and PGE2. In-silico study provided insights into molecular basis of the observed selective MAO B inhibition. This study presents compound 1p as a promising lead compound for management of neurodegenerative disease.
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Affiliation(s)
- Ahmed H. E. Hassan
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura, Egypt
- Medicinal Chemistry Laboratory, Department of Pharmacy, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea
| | - Hyeon Jeong Kim
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
| | - Min Sung Gee
- Department of Fundamental Pharmaceutical Science, Graduate School, Kyung Hee University, Seoul, Republic of Korea
| | - Jong-Hyun Park
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
| | - Hye Rim Jeon
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Cheol Jung Lee
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Yeonwoo Choi
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Suyeon Moon
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
| | - Danbi Lee
- Department of Fundamental Pharmaceutical Science, Graduate School, Kyung Hee University, Seoul, Republic of Korea
| | - Jong Kil Lee
- Department of Fundamental Pharmaceutical Science, Graduate School, Kyung Hee University, Seoul, Republic of Korea
| | - Ki Duk Park
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology (KIST), Seoul, Republic of Korea
- KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul, Republic of Korea
| | - Yong Sup Lee
- Medicinal Chemistry Laboratory, Department of Pharmacy, College of Pharmacy, Kyung Hee University, Seoul, Republic of Korea
- Department of Life and Nanopharmaceutical Sciences, Kyung Hee University, Seoul, Republic of Korea
- KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul, Republic of Korea
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Zhou XG, Qiu WQ, Yu L, Pan R, Teng JF, Sang ZP, Law BYK, Zhao Y, Zhang L, Yan L, Tang Y, Sun XL, Wong VKW, Yu CL, Wu JM, Qin DL, Wu AG. Targeting microglial autophagic degradation of the NLRP3 inflammasome for identification of thonningianin A in Alzheimer’s disease. Inflamm Regen 2022; 42:25. [PMID: 35918778 PMCID: PMC9347127 DOI: 10.1186/s41232-022-00209-7] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Accepted: 04/05/2022] [Indexed: 02/08/2023] Open
Abstract
Background NLRP3 inflammasome-mediated neuroinflammation plays a critical role in the pathogenesis and development of Alzheimer’s disease (AD). Microglial autophagic degradation not only decreases the deposits of extracellular Aβ fibrils but also inhibits the activation of NRLP3 inflammasome. Here, we aimed to identify the potent autophagy enhancers from Penthorum chinense Pursh (PCP) that alleviate the pathology of AD via inhibiting the NLRP3 inflammasome. Methods At first, autophagic activity-guided isolation was performed to identify the autophagy enhancers in PCP. Secondly, the autophagy effect was monitored by detecting LC3 protein expression using Western blotting and the average number of GFP-LC3 puncta per microglial cell using confocal microscopy. Then, the activation of NLRP3 inflammasome was measured by detecting the protein expression and transfected fluorescence intensity of NLRP3, ASC, and caspase-1, as well as the secretion of proinflammatory cytokines. Finally, the behavioral performance was evaluated by measuring the paralysis in C. elegans, and the cognitive function was tested by Morris water maze (MWM) in APP/PS1 mice. Results Four ellagitannin flavonoids, including pinocembrin-7-O-[4″,6″-hexahydroxydiphenoyl]-glucoside (PHG), pinocembrin-7-O-[3″-O-galloyl-4″,6″-hexahydroxydiphenoyl]-glucoside (PGHG), thonningianin A (TA), and thonningianin B (TB), were identified to be autophagy enhancers in PCP. Among these, TA exhibited the strongest autophagy induction effect, and the mechanistic study demonstrated that TA activated autophagy via the AMPK/ULK1 and Raf/MEK/ERK signaling pathways. In addition, TA effectively promoted the autophagic degradation of NLRP3 inflammasome in Aβ(1–42)-induced microglial cells and ameliorated neuronal damage via autophagy induction. In vivo, TA activated autophagy and improved behavioral symptoms in C. elegans. Furthermore, TA might penetrate the blood-brain barrier and could improve cognitive function and ameliorate the Aβ pathology and the NLRP3 inflammasome-mediated neuroinflammation via the AMPK/ULK1 and Raf/MEK/ERK signaling pathways in APP/PS1 mice. Conclusion We identified TA as a potent microglial autophagy enhancer in PCP that promotes the autophagic degradation of the NLRP3 inflammasome to alleviate the pathology of AD via the AMPK/ULK1 and Raf/MEK/ERK signaling pathways, which provides novel insights for TA in the treatment of AD. Supplementary Information The online version contains supplementary material available at 10.1186/s41232-022-00209-7.
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Neurodegeneration in a Regulatory Context: The Need for Speed. CURRENT OPINION IN TOXICOLOGY 2022. [DOI: 10.1016/j.cotox.2022.100383] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022]
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Analysis of ADORA2A rs5760423 and CYP1A2 rs762551 Genetic Variants in Patients with Alzheimer's Disease. Int J Mol Sci 2022; 23:ijms232214400. [PMID: 36430879 PMCID: PMC9697425 DOI: 10.3390/ijms232214400] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 11/07/2022] [Accepted: 11/16/2022] [Indexed: 11/22/2022] Open
Abstract
Various studies have been conducted, exploring the genetic susceptibility of Alzheimer's disease (AD). Adenosine receptor subtype A2a (ADORA2A) and cytochrome P450 1A2 (CYP1A2) are implicated in pathways such as oxidative stress and caffeine metabolism, which are associated with AD. The aim of this study was to explore for any potential association between the ADORA2A rs5760423 and the CYP1A2 rs762551 genetic variants and AD. A case-control study was performed with a total of 654 subjects (327 healthy controls and 327 patients with AD). Five genetic models were assumed. We also examined the allele-allele combination of both variants. The value of 0.05 was considered as the statistical significance threshold. A statistically significant association was found between ADORA2A rs5760423 and AD, as the "T" allele was associated with increased AD risk in recessive (OR = 1.51 (1.03-2.21)) and log-additive (OR = 1.30 (1.04-1.62)) genetic modes. In the codominant model, the TT genotype was more prevalent compared to the GG genotype (OR = 1.71 (1.09-2.66)). The statistical significance was maintained after adjustment for sex. No association between CYP1A2 rs762551 or allele-allele combination and AD was detected. We provide preliminary indication for a possible association between the ADORA2A rs5760423 genetic polymorphism and AD.
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Exploring the Paradox of COVID-19 in Neurological Complications with Emphasis on Parkinson’s and Alzheimer’s Disease. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:3012778. [PMID: 36092161 PMCID: PMC9453010 DOI: 10.1155/2022/3012778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 05/09/2022] [Accepted: 08/12/2022] [Indexed: 11/26/2022]
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a human coronavirus (HCoV) that has created a pandemic situation worldwide as COVID-19. This virus can invade human cells via angiotensin-converting enzyme 2 (ACE2) receptor-based mechanisms, affecting the human respiratory tract. However, several reports of neurological symptoms suggest a neuroinvasive development of coronavirus. SARS-CoV-2 can damage the brain via several routes, along with direct neural cell infection with the coronavirus. The chronic inflammatory reactions surge the brain with proinflammatory elements, damaging the neural cells, causing brain ischemia associated with other health issues. SARS-CoV-2 exhibited neuropsychiatric and neurological manifestations, including cognitive impairment, depression, dizziness, delirium, and disturbed sleep. These symptoms show nervous tissue damage that enhances the occurrence of neurodegenerative disorders and aids dementia. SARS-CoV-2 has been seen in brain necropsy and isolated from the cerebrospinal fluid of COVID-19 patients. The associated inflammatory reaction in some COVID-19 patients has increased proinflammatory cytokines, which have been investigated as a prognostic factor. Therefore, the immunogenic changes observed in Parkinson's and Alzheimer's patients include their pathogenetic role. Inflammatory events have been an important pathophysiological feature of neurodegenerative diseases (NDs) such as Parkinson's and Alzheimer's. The neuroinflammation observed in AD has exacerbated the Aβ burden and tau hyperphosphorylation. The resident microglia and other immune cells are responsible for the enhanced burden of Aβ and subsequently mediate tau phosphorylation and ultimately disease progression. Similarly, neuroinflammation also plays a key role in the progression of PD. Several studies have demonstrated an interplay between neuroinflammation and pathogenic mechanisms of PD. The dynamic proinflammation stage guides the accumulation of α-synuclein and neurodegenerative progression. Besides, few viruses may have a role as stimulators and generate a cross-autoimmune response for α-synuclein. Hence, neurological complications in patients suffering from COVID-19 cannot be ruled out. In this review article, our primary focus is on discussing the neuroinvasive effect of the SARS-CoV-2 virus, its impact on the blood-brain barrier, and ultimately its impact on the people affected with neurodegenerative disorders such as Parkinson's and Alzheimer's.
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27
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Jing W, Xiaolan C, Yu C, Feng Q, Haifeng Y. Pharmacological effects and mechanisms of tannic acid. Biomed Pharmacother 2022; 154:113561. [PMID: 36029537 DOI: 10.1016/j.biopha.2022.113561] [Citation(s) in RCA: 49] [Impact Index Per Article: 24.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 08/04/2022] [Accepted: 08/14/2022] [Indexed: 12/18/2022] Open
Abstract
In recent years, increasing attention has been paid to the pharmacological efficacy of tannins. Tannic acid (TA), the simplest hydrolysable tannin that has been approved by the FDA as a safe food additive, is one of the most important components of these traditional medicines. Studies have shown that TA displays a wide range of pharmacological activities, such as anti-inflammatory, neuroprotective, antitumor, cardioprotective, and anti-pathogenic effects. Here, we summarize the known pharmacological effects and associated mechanisms of TA. We focus on the effect and mechanism of TA in various animal models of inflammatory disease and organ, brain, and cardiovascular injury. Moreover, we discuss the possible molecular targets and signaling pathways of TA, in addition to the pharmacological effects of TA-based nanoparticles and TA in combination with chemotherapeutic drugs.
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Affiliation(s)
- Wang Jing
- Jiangsu Agri-animal Husbandry Vocational College, Taizhou, Jiangsu 225300, PR China.
| | - Chen Xiaolan
- Jiangsu Agri-animal Husbandry Vocational College, Taizhou, Jiangsu 225300, PR China
| | - Chen Yu
- Jiangsu Agri-animal Husbandry Vocational College, Taizhou, Jiangsu 225300, PR China
| | - Qin Feng
- Jiangsu Key Laboratory for High-Tech Research and Development of Veterinary Biopharmaceuticals, Jiangsu Agri-animal Husbandry Vocational College, Taizhou 225300, PR China
| | - Yang Haifeng
- Jiangsu Agri-animal Husbandry Vocational College, Taizhou, Jiangsu 225300, PR China
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28
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James LM, Georgopoulos AP. High Correlations Among Worldwide Prevalences of Dementias, Parkinson's Disease, Multiple Sclerosis, and Motor Neuron Diseases Indicate Common Causative Factors. Neurosci Insights 2022; 17:26331055221117598. [PMID: 35965966 PMCID: PMC9364200 DOI: 10.1177/26331055221117598] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2022] [Accepted: 07/18/2022] [Indexed: 11/16/2022] Open
Abstract
Dementia, Parkinson's disease, multiple sclerosis, and motor neuron diseases cause significant disability and mortality worldwide. Although the etiology of these diseases is unknown, highly correlated disease prevalences would indicate the involvement of common etiologic factors. Here we used published epidemiological data in 195 countries worldwide to investigate the possible intercorrelations among the prevalences of these diseases. All analyses were carried out using nonparametric statistics on rank-transformed data to assure the robustness of the results. We found that all 6 pairwise correlations among the prevalences of the 4 diseases were very high (>.9, P < .001). A factor analysis (FA) yielded only a single component which comprised all 4 disease prevalences and explained 96.3% of the variance. These findings indicate common etiologic factor(s). Next, we quantified the contribution of 3 country-specific factors (population size, life expectancy, latitude) to the common grouping of prevalences by estimating the reduction in total FA variance explained when the effect of these factors was eliminated by using the prevalence residuals from a linear regression where theses factor were covariates. FA of these residuals yielded again only a single component comprising all 4 diseases which explained 71.5% of the variance, indicating that the combined contribution of population size, life expectancy and latitude accounted for 96.3% - 71.5% = 24.8% of the FA variance explained. The fact that the 3 country-specific factors above accounted for only 24.8% of the FA variance explained by the original (ranked) disease prevalences, in the presence still of a single grouping factor, strongly indicates the operation of other unknown factors jointly contributing to the pathogenesis of the 4 diseases. We discuss various possible factors involved, with an emphasis on biologic pathogens (viruses, bacteria) which have been implicated in the pathogenesis of these diseases in previous studies.
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Affiliation(s)
- Lisa M James
- Brain Sciences Center, Department of
Veterans Affairs Health Care System, Minneapolis, MN, USA
- Department of Neuroscience, University
of Minnesota Medical School, Minneapolis, MN, USA
- Department of Psychiatry, University of
Minnesota Medical School, Minneapolis, MN, USA
- Center for Cognitive Sciences,
University of Minnesota, Minneapolis, MN, USA
| | - Apostolos P Georgopoulos
- Brain Sciences Center, Department of
Veterans Affairs Health Care System, Minneapolis, MN, USA
- Department of Neuroscience, University
of Minnesota Medical School, Minneapolis, MN, USA
- Department of Psychiatry, University of
Minnesota Medical School, Minneapolis, MN, USA
- Center for Cognitive Sciences,
University of Minnesota, Minneapolis, MN, USA
- Department of Neurology, University of
Minnesota Medical School, Minneapolis, MN, USA
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29
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Dang X, Huan X, Du X, Chen X, Bi M, Yan C, Jiao Q, Jiang H. Correlation of Ferroptosis and Other Types of Cell Death in Neurodegenerative Diseases. Neurosci Bull 2022; 38:938-952. [PMID: 35482278 PMCID: PMC9352832 DOI: 10.1007/s12264-022-00861-6] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 02/03/2022] [Indexed: 02/08/2023] Open
Abstract
Ferroptosis is defined as an iron-dependent, non-apoptotic cell death pathway, with specific morphological phenotypes and biochemical changes. There is a growing realization that ferroptosis has significant implications for several neurodegenerative diseases. Even though ferroptosis is different from other forms of programmed death such as apoptosis and autophagic death, they involve a number of common protein molecules. This review focuses on current research on ferroptosis and summarizes the cross-talk among ferroptosis, apoptosis, and autophagy that are implicated in neurodegenerative diseases. We hope that this information provides new ideas for understanding the mechanisms and searching for potential therapeutic approaches and prevention of neurodegenerative diseases.
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Affiliation(s)
- Xiaoting Dang
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis, Prevention of Neurological Disorders, State Key Disciplines: Physiology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Xuejie Huan
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis, Prevention of Neurological Disorders, State Key Disciplines: Physiology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Xixun Du
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis, Prevention of Neurological Disorders, State Key Disciplines: Physiology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Xi Chen
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis, Prevention of Neurological Disorders, State Key Disciplines: Physiology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Mingxia Bi
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis, Prevention of Neurological Disorders, State Key Disciplines: Physiology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Chunling Yan
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis, Prevention of Neurological Disorders, State Key Disciplines: Physiology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Qian Jiao
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis, Prevention of Neurological Disorders, State Key Disciplines: Physiology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China.
| | - Hong Jiang
- Department of Physiology, Shandong Provincial Key Laboratory of Pathogenesis, Prevention of Neurological Disorders, State Key Disciplines: Physiology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China.
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Frandsen J, Narayanasamy P. Effect of Cannabidiol on the Neural Glyoxalase Pathway Function and Longevity of Several C. elegans Strains Including a C. elegans Alzheimer's Disease Model. ACS Chem Neurosci 2022; 13:1165-1177. [PMID: 35385645 DOI: 10.1021/acschemneuro.1c00667] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Cannabidiol is a nonpsychoactive phytocannabinoid produced by the Cannabis sativa plant and possesses a wide range of pharmacological activities, including anti-inflammatory, antioxidant, and neuroprotective activities. Cannabidiol functions in a neuroprotective manner, in part through the activation of cellular antioxidant pathways. The glyoxalase pathway detoxifies methylglyoxal, a highly reactive metabolic byproduct that can accumulate in the brain, and contributes to the severity of neurodegenerative diseases, including Alzheimer's disease. While cannabidiol's antioxidant properties have been investigated, it is currently unknown how it may modulate the glyoxalase pathway. In this research paper, we examine the effects of Cannabidiol on cerebellar neurons and in several Caenorhabditis elegans strains. We determined that a limited amount of Cannabidiol can prevent methylglyoxal-mediated cellular damage through enhancement of the neural glyoxalase pathway and extend the lifespan and survival of C. elegans, including a transgenic C. elegans strain modeling Alzheimer's disease.
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Affiliation(s)
- Joel Frandsen
- Department of Pathology and Microbiology, College of Medicine, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
| | - Prabagaran Narayanasamy
- Department of Pathology and Microbiology, College of Medicine, University of Nebraska Medical Center, Omaha, Nebraska 68198, United States
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O'Leary TP, Brown RE. Visuo-spatial learning and memory impairments in the 5xFAD mouse model of Alzheimer's disease: Effects of age, sex, albinism, and motor impairments. GENES, BRAIN, AND BEHAVIOR 2022; 21:e12794. [PMID: 35238473 PMCID: PMC9744519 DOI: 10.1111/gbb.12794] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Accepted: 12/19/2021] [Indexed: 12/17/2022]
Abstract
The 5xFAD mouse model of Alzheimer's disease (AD) rapidly develops AD-related neuro-behavioral pathology. Learning and memory impairments in 5xFAD mice, however, are not always replicated and the size of impairments varies considerably across studies. To examine possible sources of this variability, we analyzed the effects of age, sex, albinism due to background genes (Tyrc , Oca2p ) and motor impairment on learning and memory performance of wild type and 5xFAD mice on the Morris water maze, from 3 to 15 months of age. The 5xFAD mice showed impaired learning at 6-9 months of age, but memory impairments were not detected with the test procedure used in this study. Performance of 5xFAD mice was profoundly impaired at 12-15 months of age, but was accompanied by slower swim speeds than wild-type mice and a frequent failure to locate the escape platform. Overall female mice performed worse than males, and reversal learning impairments in 5xFAD mice were more pronounced in females than males. Albino mice performed worse than pigmented mice, confirming that albinism can impair performance of 5xFAD mice independently of AD-related transgenes. Overall, these results show that 5xFAD mice have impaired learning performance at 6-9 months of age, but learning and memory performance at 12-15 months is confounded with motor impairments. Furthermore, sex and albinism should be controlled to provide an accurate assessment of AD-related transgenes on learning and memory. These results will help reduce variability across pre-clinical experiments with 5xFAD mice, and thus enhance the reliability of studies developing new therapeutics for AD.
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Affiliation(s)
- Timothy P. O'Leary
- Department of Psychology and NeuroscienceDalhousie UniversityHalifaxNova ScotiaCanada
| | - Richard E. Brown
- Department of Psychology and NeuroscienceDalhousie UniversityHalifaxNova ScotiaCanada
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32
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Multivariate genomic and transcriptomic determinants of imaging-derived personalized therapeutic needs in Parkinson's disease. Sci Rep 2022; 12:5483. [PMID: 35361840 PMCID: PMC8971452 DOI: 10.1038/s41598-022-09506-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Accepted: 03/24/2022] [Indexed: 11/09/2022] Open
Abstract
Due to the marked interpersonal neuropathologic and clinical heterogeneity of Parkinson's disease (PD), current interventions are not personalized and fail to benefit all patients. Furthermore, we continue to lack well-established methods and clinical tests to tailor interventions at the individual level in PD. Here, we identify the genetic determinants of individual-tailored treatment needs derived from longitudinal multimodal neuroimaging data in 294 PD patients (PPMI data). Advanced multivariate statistical analysis revealed that both genomic and blood transcriptomic data significantly explain (P < 0.01, FWE-corrected) the interindividual variability in therapeutic needs associated with dopaminergic, functional, and structural brain reorganization. We confirmed a high overlap between the identified highly predictive molecular pathways and determinants of levodopa clinical responsiveness, including well-known (Wnt signaling, angiogenesis, dopaminergic activity) and recently discovered (immune markers, gonadotropin-releasing hormone receptor) pathways/components. In addition, the observed strong correspondence between the identified genomic and baseline-transcriptomic determinants of treatment needs/response supports the genome's active role at the time of patient evaluation (i.e., beyond individual genetic predispositions at birth). This study paves the way for effectively combining genomic, transcriptomic and neuroimaging data for implementing successful individually tailored interventions in PD and extending our pathogenetic understanding of this multifactorial and heterogeneous disorder.
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Karetnikova AY, Matvienko UA, Savinova DA, Denikaeva EA, Durnova NA. Astragalus membranaceus infusion effect on rats learning in the radial maze. RUDN JOURNAL OF MEDICINE 2022. [DOI: 10.22363/2313-0245-2022-26-1-69-78] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Relevance. Treatment of cognitive impairment is a serious problem for modern medicine. Alzheimers disease and Parkinsons disease are chronic progressive neurodegenerative diseases and the most common cause of progressive dementia in the elderly. There is no effective therapy for these diseases, so it is necessary to search for integrated therapies, including herbal medicine. The aim was to study a short-term and long-term memory of rats in the test eight-arm radial maze under the infl of repeated administration of an aqueous extract of the herb Astragalus membranaceus (Fisch.) Bunge. Materials and Methods. The experiment was carried out on 18 non-linear rats, divided into 3 groups - control and 2 experimental. For 21 days, the animals received daily intragastric caffeine at a dose of 5 mg/kg, infusion an aqueous extract of Astragalus membranaceus (Fisch.) Bunge at a dose of 100 mg/kg. The control was injected with drinking water by weight. To study the cognitive functions of the maze, performing two series of tests - at 2-7 and 16-21. Results and Discussion. In the course of the study, it was found that when the animals were tested for 2-7 days, there were no signifi changes between the groups. With an increase in the duration of administration of the test substances by the 16-21 days of the experiment, in the second test series, an increase in memory points was observed both in the second (caffeine, 5 mg/kg) and in the third ( Astragalus membranaceus (Fisch.) Bunge, 100 mg/kg) of the experimental groups. Conclusion. The introduction of caffeine at a dosage of 5 mg/kg infl d the activation of short-term and long-term memory with a duration of more than 17 days of administration - at the 2nd stage of testing. Astragalus membranaceus (Fisch.) Bunge (100 mg/kg) caused the activation of working and long-term spatial memory from the 16th day of the experiment - on the 2nd series of tests.
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Karetnikova AY, Matvienko UA, Savinova DA, Denikaeva EA, Durnova NA. Astragalus membranaceus infusion effect on rats learningin the radial maze. RUDN JOURNAL OF MEDICINE 2022. [DOI: 10.22363/2313-0245-2022-26-1-68-77] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Abstract
Relevance. Treatment of cognitive impairment is a serious problem for modern medicine. Alzheimers disease and Parkinsons disease are chronic progressive neurodegenerative diseases and the most common cause of progressive dementia in the elderly. There is no effective therapy for these diseases, so it is necessary to search for integrated therapies, including herbal medicine. The aim was to study a short-term and long-term memory of rats in the test eight-arm radial maze under the influence of repeated administration of an aqueous extract of the herb Astragalus membranaceus (Fisch.) Bunge. Materials and Methods. The experiment was carried out on 18 non-linear rats, divided into 3 groups - control and 2 experimental. For 21 days, the animals received daily intragastric caffeine at a dose of 5 mg/kg, infusion an aqueous extract of Astragalus membranaceus (Fisch.) Bunge at a dose of 100 mg/kg. The control was injected with drinking water by weight. To study the cognitive functions of the maze, performing two series of tests - at 2-7 and 16-21. Results and Discussion. In the course of the study, it was found that when the animals were tested for 2-7 days, there were no significant changes between the groups. With an increase in the duration of administration of the test substances by the 16-21 days of the experiment, in the second test series, an increase in memory points was observed both in the second (caffeine, 5 mg/kg) and in the third ( Astragalus membranaceus (Fisch.) Bunge, 100 mg/kg) of the experimental groups. Conclusion. The introduction of caffeine at a dosage of 5 mg/kg influenced the activation of short-term and long-term memory with a duration of more than 17 days of administrationat the 2nd stage of testing. Astragalus membranaceus (Fisch.) Bunge (100 mg/kg) caused the activation of working and long-term spatial memory from the 16th day of the experimenton the 2nd series of tests.
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Liu J, Liu M, Chen X. Identification of Potential Key Biomarkers of Atrial Fibrillation and Their Correlation with Immune Infiltration in Atrial Tissue. COMPUTATIONAL AND MATHEMATICAL METHODS IN MEDICINE 2022; 2022:4029840. [PMID: 35273648 PMCID: PMC8904093 DOI: 10.1155/2022/4029840] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Revised: 12/15/2021] [Accepted: 12/18/2021] [Indexed: 12/20/2022]
Abstract
Objective To identify potential key biomarkers and characterize immune infiltration in atrial tissue of patients with atrial fibrillation (AF) through bioinformatics analysis. Methods Differentially expressed genes (DEGs) were identified by the LIMMA package in Bioconductor, and functional and pathway enrichment analyses were undertaken using GO and KEGG. The LASSO logistic regression and BORUTA algorithm were employed to screen for potential novel key markers of AF from all DEGs. Gene set variation analysis was also performed. Single-sample gene set enrichment analysis was employed to quantify the infiltration levels for each immune cell type, and the correlation between hub genes and infiltrating immune cells was analyzed. Results A total of 52 DEGs were identified, including of 26 downregulated DEGs and 26 upregulated DEGs. DEGs were primarily enriched in the Major Histocompatibility Complex class II protein complex, glucose homeostasis, protein tetramerization, regulation of synapse organization, cytokine activity, heart morphogenesis, and blood circulation. Three downregulated genes and three upregulated genes were screened by LASSO logistic regression and the BORUTA algorithm. Finally, immune infiltration analysis indicated that the atrial tissue of AF patients contained significant infiltration of APC_co_inhibition, Mast_cell, neutrophils, pDCs, T_cell_costimulation, and Th1_cells compared with paired sinus rhythm (SR) atrial tissue, and the three downregulated genes were negatively correlated with the six kinds of immune cells mentioned above. Conclusion The hub genes identified in this study and the differences in immune infiltration of atrial tissue observed between AF and SR tissue might help to characterize the occurrence and progression of AF.
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Affiliation(s)
- Jie Liu
- Department of Geriatrics, Peking University First Hospital, Beijing, China 100034
| | - Meilin Liu
- Department of Geriatrics, Peking University First Hospital, Beijing, China 100034
| | - Xiahuan Chen
- Department of Geriatrics, Peking University First Hospital, Beijing, China 100034
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Rajendran R, Ragavan RP, Al-Sehemi AG, Uddin MS, Aleya L, Mathew B. Current understandings and perspectives of petroleum hydrocarbons in Alzheimer's disease and Parkinson's disease: a global concern. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:10928-10949. [PMID: 35000177 DOI: 10.1007/s11356-021-17931-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Accepted: 11/30/2021] [Indexed: 06/14/2023]
Abstract
Over the last few decades, the global prevalence of neurodevelopmental and neurodegenerative illnesses has risen rapidly. Although the aetiology remains unclear, evidence is mounting that exposure to persistent hydrocarbon pollutants is a substantial risk factor, predisposing a person to neurological diseases later in life. Epidemiological studies correlate environmental hydrocarbon exposure to brain disorders including neuropathies, cognitive, motor and sensory impairments; neurodevelopmental disorders like autism spectrum disorder (ASD); and neurodegenerative disorders like Alzheimer's disease (AD) and Parkinson's disease (PD). Particulate matter, benzene, toluene, ethylbenzene, xylenes, polycyclic aromatic hydrocarbons and endocrine-disrupting chemicals have all been linked to neurodevelopmental problems in all class of people. There is mounting evidence that supports the prevalence of petroleum hydrocarbon becoming neurotoxic and being involved in the pathogenesis of AD and PD. More study is needed to fully comprehend the scope of these problems in the context of unconventional oil and natural gas. This review summarises in vitro, animal and epidemiological research on the genesis of neurodegenerative disorders, highlighting evidence that supports inexorable role of hazardous hydrocarbon exposure in the pathophysiology of AD and PD. In this review, we offer a summary of the existing evidence gathered through a Medline literature search of systematic reviews and meta-analyses of the most important epidemiological studies published so far.
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Affiliation(s)
- Rajalakshmi Rajendran
- Department of Pharmacy Practice, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, Kochi, 682041, Kerala, India
| | - Roshni Pushpa Ragavan
- Research Center for Advanced Materials Science, King Khalid University, Abha, 61413, Saudi Arabia.
| | - Abdullah G Al-Sehemi
- Research Center for Advanced Materials Science, King Khalid University, Abha, 61413, Saudi Arabia
- Department of Chemistry, King Khalid University, Abha, 61413, Saudi Arabia
| | - Md Sahab Uddin
- Department of Pharmacy, Southeast University, Dhaka, Bangladesh
- Pharmakon Neuroscience Research Network, Dhaka, Bangladesh
| | - Lotfi Aleya
- Laboratoire Chrono-Environment, CNRS6249, Universite de Bourgogne Franche-Comte, Besancon, France
| | - Bijo Mathew
- Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, AIMS Health Sciences Campus, Kochi, 682 041, India.
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Abstract
Heterocyclic aromatic amines (HAAs) are mainly formed in the pyrolysis process during high-temperature cooking of meat. Meat consumption is very typical of the western diet, and the amount of meat consumption in the eastern countries is growing rapidly; HAAs represents widespread exposure. HAAs are classified as possible human carcinogens; numerous epidemiological studies have demonstrated regular consumption of meat with HAAs as risk factor for cancers. Specific HAAs have received major attention. For example, 2-amino-1-methyl-6-phenylimidazo[4,5-b] pyridine has been extensively studied as a genotoxicant and mutagen, with emergent literature on neurotoxicity. Harmane has been extensively studied for a role in essential tremors and potentially Parkinson's disease (PD). Harmane levels have been demonstrated to be elevated in blood and brain in essential tremor patients. Meat consumption has been implicated in the etiology of neurodegenerative diseases; however, the role of toxicants formed during meat preparation has not been studied. Epidemiological studies are currently examining the association between HAAs and risk of neurodegenerative diseases such as essential tremors and PD. Studies from our laboratory and others have provided strong evidence that HAA exposure produces PD and Alzheimer's disease-relevant neurotoxicity in cellular and animal models. In this review, we summarize and critically evaluate previous studies on HAA-induced neurotoxicity and the molecular basis of potential neurotoxic effects of HAAs. The available studies provide strong support for the premise that HAAs may impact neurological function and that addressing gaps in understanding of adverse neurological outcomes is critical to determine whether these compounds are modifiable risk factors.
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Affiliation(s)
- Tauqeerunnisa Syeda
- School of Health Sciences, Purdue University, West Lafayette, Indiana 47907, United States
- Purdue Institute for Integrative Neurosciences, Purdue University, West Lafayette, Indiana 47907, United States
| | - Jason R Cannon
- School of Health Sciences, Purdue University, West Lafayette, Indiana 47907, United States
- Purdue Institute for Integrative Neurosciences, Purdue University, West Lafayette, Indiana 47907, United States
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The Effects of Modified Curcumin Preparations on Glial Morphology in Aging and Neuroinflammation. Neurochem Res 2022; 47:813-824. [PMID: 34988899 DOI: 10.1007/s11064-021-03499-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Revised: 11/26/2021] [Accepted: 11/27/2021] [Indexed: 12/14/2022]
Abstract
Neuroinflammation is characterized by reactive microglia and astrocytes (collectively called gliosis) in the central nervous system and is considered as one of the main pathological hallmarks in different neurodegenerative diseases such as Alzheimer's disease, age-related dementia, and multiple sclerosis. Upon activation, glia undergoes structural and morphological changes such as the microglial cells swell in size and astrocytes become bushy, which play both beneficial and detrimental roles. Hence, they are unable to perform the normal physiological role in brain immunity. Curcumin, a cytokine suppressive anti-inflammatory drug, has a high proven pre-clinical potency and efficacy to reverse chronic neuroinflammation by attenuating the activation and morphological changes that occur in the microglia and astrocytes. This review will highlight the recent findings on the tree structure changes of microglia and astrocytes in neuroinflammation and the effects of curcumin against the activation and morphology of glial cells.
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Nasri A, Sghaier I, Gharbi A, Mrabet S, Ben Djebara M, Gargouri A, Kacem I, Gouider R. Role of Apolipoprotein E in the Clinical Profile of Atypical Parkinsonian Syndromes. Alzheimer Dis Assoc Disord 2022; 36:36-43. [PMID: 35001031 DOI: 10.1097/wad.0000000000000479] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2021] [Accepted: 10/25/2021] [Indexed: 11/25/2022]
Abstract
INTRODUCTION Atypical Parkinsonian syndromes (APS) encompass a spectrum of neurodegenerative diseases including dementia with Lewy bodies (DLB), progressive supranuclear palsy (PSP), multiple system atrophy (MSA), and corticobasal syndrome (CBS). The effects of the Apolipoprotein E (APOE) gene on APS clinical features are controversial and understudied in several populations. We aimed to explore the influence of APOE genotype on clinical features in an APS Tunisian cohort. METHODS We included clinically diagnosed APS patients genotyped for APOE, and analyzed the clinical and APOE genotype associations. RESULTS A total of 328 APS patients were included, comprising 184 DLB, 58 PSP, 49 MSA, and 37 CBS. Significant differences in initial Mini-Mental State Examination and Frontal Assessment Battery scores according to APOE genotypes (P=0.05 and 0.0048) were found. Executive dysfunction (P=0.026) disorientation (P=0.025), and hallucinations (P<0.001) were more pronounced among APOE-ɛ4 carriers particularly in DLB. Memory disorders were also correlated to APOE-ɛ4 allele (P=0.048) and were more frequent among DLB and PSP carriers. Depression was associated to APOE-ε4 (P=0.042), more markedly in APOE-ε4-CBS and MSA carriers. CONCLUSIONS Our findings suggested a role of APOE-ε4 in defining a more altered cognitive phenotype with variable degrees across subgroups in APS patients, especially in DLB carriers. This effect mainly concerned executive, memory and orientation functions as well as hallucinations.
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Affiliation(s)
- Amina Nasri
- Department of Neurology, LR18SP03, Clinical Investigation Centre "Neurosciences and Mental Health", Razi University Hospital
- Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Ikram Sghaier
- Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Alya Gharbi
- Department of Neurology, LR18SP03, Clinical Investigation Centre "Neurosciences and Mental Health", Razi University Hospital
- Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Saloua Mrabet
- Department of Neurology, LR18SP03, Clinical Investigation Centre "Neurosciences and Mental Health", Razi University Hospital
- Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Mouna Ben Djebara
- Department of Neurology, LR18SP03, Clinical Investigation Centre "Neurosciences and Mental Health", Razi University Hospital
- Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Amina Gargouri
- Department of Neurology, LR18SP03, Clinical Investigation Centre "Neurosciences and Mental Health", Razi University Hospital
- Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Imen Kacem
- Department of Neurology, LR18SP03, Clinical Investigation Centre "Neurosciences and Mental Health", Razi University Hospital
- Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
| | - Riadh Gouider
- Department of Neurology, LR18SP03, Clinical Investigation Centre "Neurosciences and Mental Health", Razi University Hospital
- Faculty of Medicine of Tunis, University of Tunis El Manar, Tunis, Tunisia
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Jain S, Rosenbaum PR, Reiter JG, Hill AS, Wolk DA, Hashemi S, Fleisher LA, Eckenhoff R, Silber JH. Risk of Parkinson's disease after anaesthesia and surgery. Br J Anaesth 2022; 128:e268-e270. [PMID: 35101245 PMCID: PMC9074782 DOI: 10.1016/j.bja.2021.12.046] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 12/22/2021] [Accepted: 12/27/2021] [Indexed: 11/19/2022] Open
Affiliation(s)
- Siddharth Jain
- Center for Outcomes Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA; The Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA, USA.
| | - Paul R Rosenbaum
- The Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA, USA; Department of Statistics, The Wharton School, University of Pennsylvania, Philadelphia, PA, USA
| | - Joseph G Reiter
- Center for Outcomes Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Alexander S Hill
- Center for Outcomes Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - David A Wolk
- Department of Neurology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Sean Hashemi
- Center for Outcomes Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA
| | - Lee A Fleisher
- The Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA, USA; Department of Anesthesiology and Critical Care, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA; Center for Perioperative Outcomes Research and Transformation, University of Pennsylvania, Philadelphia, PA, USA
| | - Roderic Eckenhoff
- Department of Anesthesiology and Critical Care, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Jeffrey H Silber
- Center for Outcomes Research, Children's Hospital of Philadelphia, Philadelphia, PA, USA; The Leonard Davis Institute of Health Economics, University of Pennsylvania, Philadelphia, PA, USA; Department of Anesthesiology and Critical Care, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA; Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA; Department of Health Care Management, The Wharton School, University of Pennsylvania, Philadelphia, PA, USA
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Homolak J, Babic Perhoc A, Knezovic A, Osmanovic Barilar J, Koc F, Stanton C, Ross RP, Salkovic-Petrisic M. Disbalance of the Duodenal Epithelial Cell Turnover and Apoptosis Accompanies Insensitivity of Intestinal Redox Homeostasis to Inhibition of the Brain Glucose-Dependent Insulinotropic Polypeptide Receptors in a Rat Model of Sporadic Alzheimer's Disease. Neuroendocrinology 2022; 112:744-762. [PMID: 34607331 DOI: 10.1159/000519988] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 09/29/2021] [Indexed: 11/19/2022]
Abstract
INTRODUCTION Gastrointestinal dyshomeostasis is investigated in the context of metabolic dysfunction, systemic, and neuroinflammation in Alzheimer's disease. Dysfunctional gastrointestinal redox homeostasis and the brain-gut incretin axis have been reported in the rat model of insulin-resistant brain state-driven neurodegeneration induced by intracerebroventricular streptozotocin (STZ-icv). We aimed to assess whether (i) the structural epithelial changes accompany duodenal oxidative stress; (ii) the brain glucose-dependent insulinotropic polypeptide receptor (GIP-R) regulates redox homeostasis of the duodenum; and (iii) the STZ-icv brain-gut axis is resistant to pharmacological inhibition of the brain GIP-R. METHODS GIP-R inhibitor [Pro3]-GIP (85 μg/kg) was administered intracerebroventricularly to the control and the STZ-icv rats 1 month after model induction. Thiobarbituric acid reactive substances (TBARSs) were measured in the plasma and duodenum, and the sections were analyzed morphometrically. Caspase-3 expression and activation were assessed by Western blot and multiplex fluorescent signal amplification. RESULTS Intracerebroventricular [Pro3]-GIP decreased plasma TBARSs in the control and STZ-icv animals and increased duodenal TBARSs in the controls. In the controls, inhibition of brain GIP-R affected duodenal epithelial cells, but not villus structure, while all morphometric parameters were altered in the STZ-icv-treated animals. Morphometric changes in the STZ-icv animals were accompanied by reduced levels of caspase-3. Suppression of brain GIP-R inhibited duodenal caspase-3 activation. CONCLUSION Brain GIP-R seems to be involved in the regulation of duodenal redox homeostasis and epithelial cell turnover. Resistance of the brain-gut GIP axis and morphological changes indicative of abnormal epithelial cell turnover accompany duodenal oxidative stress in the STZ-icv rats.
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Affiliation(s)
- Jan Homolak
- Department of Pharmacology, University of Zagreb School of Medicine, Zagreb, Croatia
- Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Ana Babic Perhoc
- Department of Pharmacology, University of Zagreb School of Medicine, Zagreb, Croatia
- Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Ana Knezovic
- Department of Pharmacology, University of Zagreb School of Medicine, Zagreb, Croatia
- Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Jelena Osmanovic Barilar
- Department of Pharmacology, University of Zagreb School of Medicine, Zagreb, Croatia
- Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Fatma Koc
- APC Microbiome Ireland, Cork, Ireland
- Teagasc Food Research Centre, Cork, Ireland
| | - Catherine Stanton
- APC Microbiome Ireland, Cork, Ireland
- Teagasc Food Research Centre, Cork, Ireland
| | | | - Melita Salkovic-Petrisic
- Department of Pharmacology, University of Zagreb School of Medicine, Zagreb, Croatia
- Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
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Wen YF, Xiao XW, Zhou L, Jiang YL, Zhu Y, Guo LN, Wang X, Liu H, Zhou YF, Wang JL, Liao XX, Shen L, Jiao B. Mutations in GBA, SNCA, and VPS35 are not associated with Alzheimer's disease in a Chinese population: a case-control study. Neural Regen Res 2022; 17:682-689. [PMID: 34380910 PMCID: PMC8504399 DOI: 10.4103/1673-5374.321000] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022] Open
Abstract
SNCA, GBA, and VPS35 are three common genes associated with Parkinson’s disease. Previous studies have shown that these three genes may be associated with Alzheimer’s disease (AD). However, it is unclear whether these genes increase the risk of AD in Chinese populations. In this study, we used a targeted gene sequencing panel to screen all the exon regions and the nearby sequences of GBA, SNCA, and VPS35 in a cohort including 721 AD patients and 365 healthy controls from China. The results revealed that neither common variants nor rare variants of these three genes were associated with AD in a Chinese population. These findings suggest that the mutations in GBA, SNCA, and VPS35 are not likely to play an important role in the genetic susceptibility to AD in Chinese populations. The study was approved by the Ethics Committee of Xiangya Hospital, Central South University, China on March 9, 2016 (approval No. 201603198).
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Affiliation(s)
- Ya-Fei Wen
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Xue-Wen Xiao
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Lu Zhou
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Ya-Ling Jiang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Yuan Zhu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Li-Na Guo
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Xin Wang
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Hui Liu
- Department of Neurology, Xiangya Hospital, Central South University, Changsha, Hunan Province, China
| | - Ya-Fang Zhou
- Department of Geriatrics Neurology, Xiangya Hospital; National Clinical Research Center for Geriatric Disorders; Engineering Research Center of Hunan Province in Cognitive Impairment Disorders; Hunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases; Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan Province, China
| | - Jun-Ling Wang
- Department of Neurology, Xiangya Hospital; National Clinical Research Center for Geriatric Disorders; Engineering Research Center of Hunan Province in Cognitive Impairment Disorders; Hunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases; Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan Province, China
| | - Xin-Xin Liao
- Department of Geriatrics Neurology, Xiangya Hospital; National Clinical Research Center for Geriatric Disorders; Engineering Research Center of Hunan Province in Cognitive Impairment Disorders; Hunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases; Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan Province, China
| | - Lu Shen
- Department of Neurology, Xiangya Hospital; National Clinical Research Center for Geriatric Disorders; Engineering Research Center of Hunan Province in Cognitive Impairment Disorders; Hunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases; Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University; Key Laboratory of Organ Injury, Aging and Regenerative Medicine of Hunan Province, Changsha, Hunan Province, China
| | - Bin Jiao
- Department of Neurology, Xiangya Hospital; National Clinical Research Center for Geriatric Disorders; Engineering Research Center of Hunan Province in Cognitive Impairment Disorders; Hunan International Scientific and Technological Cooperation Base of Neurodegenerative and Neurogenetic Diseases; Key Laboratory of Hunan Province in Neurodegenerative Disorders, Central South University, Changsha, Hunan Province, China
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Conroy LR, Hawkinson TR, Young LEA, Gentry MS, Sun RC. Emerging roles of N-linked glycosylation in brain physiology and disorders. Trends Endocrinol Metab 2021; 32:980-993. [PMID: 34756776 PMCID: PMC8589112 DOI: 10.1016/j.tem.2021.09.006] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Revised: 09/10/2021] [Accepted: 09/23/2021] [Indexed: 11/15/2022]
Abstract
N-linked glycosylation is a complex, co- and post-translational series of events that connects metabolism to signaling in almost all cells. Metabolic assembly of N-linked glycans spans multiple cellular compartments, and early N-linked glycan biosynthesis is a central mediator of protein folding and the unfolded protein response (UPR). In the brain, N-linked glycosylated proteins participate in a myriad of processes, from electrical gradients to neurotransmission. However, it is less clear how perturbations in N-linked glycosylation impact and even potentially drive aspects of neurological disorders. In this review, we discuss our current understanding of the metabolic origins of N-linked glycans in the brain, their role in modulating neuronal function, and how aberrant N-linked glycosylation can drive neurological disorders.
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Affiliation(s)
- Lindsey R Conroy
- Department of Neuroscience, University of Kentucky College of Medicine, Lexington, KY 40508-0536, USA; Markey Cancer Center, Lexington, KY 40508-0536, USA
| | - Tara R Hawkinson
- Department of Neuroscience, University of Kentucky College of Medicine, Lexington, KY 40508-0536, USA
| | - Lyndsay E A Young
- Department of Molecular and Cellular Biochemistry University of Kentucky College of Medicine, Lexington, KY 40508-0536, USA
| | - Matthew S Gentry
- Department of Molecular and Cellular Biochemistry University of Kentucky College of Medicine, Lexington, KY 40508-0536, USA
| | - Ramon C Sun
- Department of Neuroscience, University of Kentucky College of Medicine, Lexington, KY 40508-0536, USA; Markey Cancer Center, Lexington, KY 40508-0536, USA; Sanders Brown Center for Aging, Lexington, KY 40508-0536, USA.
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Increased ROS-Dependent Fission of Mitochondria Causes Abnormal Morphology of the Cell Powerhouses in a Murine Model of Amyotrophic Lateral Sclerosis. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:6924251. [PMID: 34691359 PMCID: PMC8531774 DOI: 10.1155/2021/6924251] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 07/30/2021] [Accepted: 09/02/2021] [Indexed: 11/17/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is the most common motor neuron disease in humans and remains to have a fatal prognosis. Recent studies in animal models and human ALS patients indicate that increased reactive oxygen species (ROS) play an important role in the pathogenesis. Considering previous studies revealing the influence of ROS on mitochondrial physiology, our attention was focused on mitochondria in the murine ALS model, wobbler mouse. The aim of this study was to investigate morphological differences between wild-type and wobbler mitochondria with aid of superresolution structured illumination fluorescence microscopy, TEM, and TEM tomography. To get an insight into mitochondrial dynamics, expression studies of corresponding proteins were performed. Here, we found significantly smaller and degenerated mitochondria in wobbler motor neurons at a stable stage of the disease. Our data suggest a ROS-regulated, Ox-CaMKII-dependent Drp1 activation leading to disrupted fission-fusion balance, resulting in fragmented mitochondria. These changes are associated with numerous impairments, resulting in an overall self-reinforcing decline of motor neurons. In summary, our study provides common pathomechanisms with other ALS models and human ALS cases confirming mitochondria and related dysfunctions as a therapeutic target for the treatment of ALS.
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An SSA, Shim KH, Kang S, Kim YK, Subedi L, Cho H, Hong SM, Tan MA, Jeon R, Chang KA, Kim SY. The potential anti-amyloidogenic candidate, SPA1413, for Alzheimer's disease. Br J Pharmacol 2021; 179:1033-1048. [PMID: 34610141 DOI: 10.1111/bph.15691] [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: 12/27/2020] [Revised: 08/23/2021] [Accepted: 09/02/2021] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND AND PURPOSE Recently, isoflavone derivatives have been shown to have neuroprotective effects against neurological disorders. For instance, genistein attenuated the neuroinflammation and amyloid-β accumulation in Alzheimer's disease animal models, suggesting the potential for use to prevent and treat Alzheimer's disease. EXPERIMENTAL APPROACH Here, 50 compounds, including isoflavone derivatives, were constructed and screened for the inhibitory effects on amyloid-β42 fibrilization and oligomerization using the high-throughput screening formats of thioflavin T assay and multimer detection system, respectively. The potential neuroprotective effect of t3-(4-hydroxyphenyl)-2H-chromen-7-ol (SPA1413), also known as dehydroequol, idronoxil or phenoxodiol, was evaluated in cells and in 5xFAD (B6SJL) transgenic mouse, a model of Alzheimer's disease. KEY RESULTS SPA1413 had a potent inhibitory action on both amyloid-β fibrilization and oligomerization. In the cellular assay, SPA1413 prevented amyloid-β-induced cytotoxicity and reduced neuroinflammation. Remarkably, the oral administration of SPA1413 ameliorated cognitive impairment, decreased amyloid-β plaques and activated microglia in the brain of 5xFAD (B6SJL) transgenic mouse. CONCLUSION AND IMPLICATIONS Our results strongly support the repurposing of SPA1413, which has already received fast-track status from the US Food and Drug Administration (FDA) for cancer treatment, for the treatment of Alzheimer's disease due to its potent anti-amyloidogenic and anti-neuroinflammatory actions.
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Affiliation(s)
- Seong Soo A An
- Department of Bionano Technology, Gachon University, Gyeonggi-do, Republic of Korea
| | - Kyu Hwan Shim
- Department of Bionano Technology, Gachon University, Gyeonggi-do, Republic of Korea.,Department of Neurology, Veterans Medical Research Institute, Veterans Health Service Medical Center, Seoul, Republic of Korea
| | - Shinwoo Kang
- Department of Pharmacology, College of Medicine, Gachon University, Incheon, Republic of Korea.,Neuroscience Research Institute, Gachon University, Incheon, Republic of Korea
| | - Young Kyo Kim
- Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, Republic of Korea
| | - Lalita Subedi
- Department of Pharmacy, Gachon University, Incheon, Republic of Korea
| | - Hyewon Cho
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Sookmyung Women's University, Seoul, Republic of Korea
| | - Seong-Min Hong
- Department of Pharmacy, Gachon University, Incheon, Republic of Korea
| | - Mario A Tan
- Department of Bionano Technology, Gachon University, Gyeonggi-do, Republic of Korea.,College of Science, University of Santo Tomas, Manila, Philippines
| | - Raok Jeon
- Research Institute of Pharmaceutical Sciences, College of Pharmacy, Sookmyung Women's University, Seoul, Republic of Korea
| | - Keun-A Chang
- Department of Pharmacology, College of Medicine, Gachon University, Incheon, Republic of Korea.,Neuroscience Research Institute, Gachon University, Incheon, Republic of Korea.,Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon, Republic of Korea
| | - Sun Yeou Kim
- Department of Pharmacy, Gachon University, Incheon, Republic of Korea
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Elkamhawy A, Paik S, Park JH, Kim HJ, Hassan AHE, Lee K, Park KD, Roh EJ. Discovery of novel and potent safinamide-based derivatives as highly selective hMAO-B inhibitors for treatment of Parkinson's disease (PD): Design, synthesis, in vitro, in vivo and in silico biological studies. Bioorg Chem 2021; 115:105233. [PMID: 34390968 DOI: 10.1016/j.bioorg.2021.105233] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2021] [Revised: 07/27/2021] [Accepted: 07/29/2021] [Indexed: 01/31/2023]
Abstract
Up to date, the current clinical practice employs only symptomatic treatments for management of Parkinson's disease (PD) but unable to stop disease progression. The discovery of new chemical entities endowed with potent and selective human monoamine oxidase B (hMAO-B) inhibitory activity is a clinically relevant subject. Herein, a structural optimization strategy for safinamide (a well-known second generation hMAO-B inhibitor) afforded a series of thirty-six safinamide-derived new analogs (4aa-bj). Most compounds showed promising inhibitory activities against hMAO-B (>70% inhibition at a single dose concentration of 10 µM), with no apparent effect on hMAO-A at 100 μM. Moreover, while six compounds (4ak, 4as, 4az, 4be, 4bg, and 4bi) exhibited potent double-digit nanomolar activities over hMAO-B with IC50 values of 29.5, 42.2, 22.3, 18.8, 42.2, and 33.9 nM, respectively, three derivatives (4aq, 4at, and 4bf), possessing the same carboxamide moiety (2-pyrazinyl), showed the most potent single-digit nanomolar activities (IC50 = 9.7, 5.1, and 3.9 nM, respectively). Compound 4bf revealed an excellent selectivity index (SI > 25641) with a 29-fold increase compared to safinamide (SI > 892). A structure activity relationship along with molecular docking simulations provided insights into enzyme - inhibitor interactions and a rational for the observed activity. In an in vivo MPTP-induced mouse model of PD, oral administration of compound 4bf significantly protected nigrostriatal dopaminergic neurons as revealed by tyrosine hydroxylase staining and prevented MPTP-induced Parkinsonism as revealed by motor behavioral assays. Accordingly, we present compound 4bf as a novel, highly potent, and selective hMAO-B inhibitor with an effective therapeutic profile for relieving PD.
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Affiliation(s)
- Ahmed Elkamhawy
- College of Pharmacy, Dongguk University-Seoul, Goyang 10326, Republic of Korea; Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt.
| | - Sora Paik
- Chemical Kinomics Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea
| | - Jong-Hyun Park
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Division of Bio-Medical Science & Technology, KIST School, University of Science and Technology, Seoul 02792, Republic of Korea
| | - Hyeon Jeong Kim
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Department of Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Ahmed H E Hassan
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt.
| | - Kyeong Lee
- College of Pharmacy, Dongguk University-Seoul, Goyang 10326, Republic of Korea
| | - Ki Duk Park
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Division of Bio-Medical Science & Technology, KIST School, University of Science and Technology, Seoul 02792, Republic of Korea.
| | - Eun Joo Roh
- Chemical Kinomics Research Center, Korea Institute of Science and Technology (KIST), Seoul 02792, Republic of Korea; Division of Bio-Medical Science & Technology, KIST School, University of Science and Technology, Seoul 02792, Republic of Korea.
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Wu YC, Sonninen TM, Peltonen S, Koistinaho J, Lehtonen Š. Blood-Brain Barrier and Neurodegenerative Diseases-Modeling with iPSC-Derived Brain Cells. Int J Mol Sci 2021; 22:7710. [PMID: 34299328 PMCID: PMC8307585 DOI: 10.3390/ijms22147710] [Citation(s) in RCA: 35] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 07/11/2021] [Accepted: 07/12/2021] [Indexed: 12/12/2022] Open
Abstract
The blood-brain barrier (BBB) regulates the delivery of oxygen and important nutrients to the brain through active and passive transport and prevents neurotoxins from entering the brain. It also has a clearance function and removes carbon dioxide and toxic metabolites from the central nervous system (CNS). Several drugs are unable to cross the BBB and enter the CNS, adding complexity to drug screens targeting brain disorders. A well-functioning BBB is essential for maintaining healthy brain tissue, and a malfunction of the BBB, linked to its permeability, results in toxins and immune cells entering the CNS. This impairment is associated with a variety of neurological diseases, including Alzheimer's disease and Parkinson's disease. Here, we summarize current knowledge about the BBB in neurodegenerative diseases. Furthermore, we focus on recent progress of using human-induced pluripotent stem cell (iPSC)-derived models to study the BBB. We review the potential of novel stem cell-based platforms in modeling the BBB and address advances and key challenges of using stem cell technology in modeling the human BBB. Finally, we highlight future directions in this area.
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Affiliation(s)
- Ying-Chieh Wu
- Neuroscience Center, University of Helsinki, 00014 Helsinki, Finland; (Y.-C.W.); (T.-M.S.); (S.P.); (J.K.)
| | - Tuuli-Maria Sonninen
- Neuroscience Center, University of Helsinki, 00014 Helsinki, Finland; (Y.-C.W.); (T.-M.S.); (S.P.); (J.K.)
| | - Sanni Peltonen
- Neuroscience Center, University of Helsinki, 00014 Helsinki, Finland; (Y.-C.W.); (T.-M.S.); (S.P.); (J.K.)
| | - Jari Koistinaho
- Neuroscience Center, University of Helsinki, 00014 Helsinki, Finland; (Y.-C.W.); (T.-M.S.); (S.P.); (J.K.)
- A.I.Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70211 Kuopio, Finland
| | - Šárka Lehtonen
- Neuroscience Center, University of Helsinki, 00014 Helsinki, Finland; (Y.-C.W.); (T.-M.S.); (S.P.); (J.K.)
- A.I.Virtanen Institute for Molecular Sciences, University of Eastern Finland, 70211 Kuopio, Finland
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Chen Y, Liu Q, Liu J, Wei P, Li B, Wang N, Liu Z, Wang Z. Revealing the Modular Similarities and Differences Among Alzheimer's Disease, Vascular Dementia, and Parkinson's Disease in Genomic Networks. Neuromolecular Med 2021; 24:125-138. [PMID: 34117614 DOI: 10.1007/s12017-021-08670-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Accepted: 05/31/2021] [Indexed: 02/05/2023]
Abstract
Alzheimer's disease (AD), vascular dementia (VD), and Parkinson's disease (PD) exert increasingly lethal or disabling effects on humans, but the associations among these diseases at the molecular level remain unclear. In our research, lists of genes related to these three diseases were acquired from public databases. We constructed gene-gene networks of the lists of disease-related genes using the STRING database and selected the plug-in MCODE as the most suitable method to divide the three disease-associated networks into modules through an entropy calculation. Notably, 1173 AD-related, 203 VD-related, and 722 PD-related genes as well as 72 overlapping genes were observed among the three diseases. By dividing the modules from the gene network, we divided the AD-related gene network into 27 modules, the VD-related gene network into 8 modules, and the PD-related gene network into 17 modules. After the enrichment analysis of each disease-related gene, 146 overlapping biological processes and 32 overlapping pathways were identified. Ultimately, through similarity analysis of the genes, biological processes, and pathways, we found that AD and VD were the most closely related at the biological process and pathway levels, with similarity coefficients of 0.2784 and 0.3626, respectively. After analyzing the overlapping gene network, we found that INS might play an important role in the network and that insulin and its signaling pathways may play a key role in these neurodegenerative diseases. Our research illustrates a new method for in-depth research on the three diseases, which may accelerate the progress of developing new therapeutics and may be applied to prevent neurodegenerative diseases.
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Affiliation(s)
- Yafei Chen
- School of Traditional Chinese Medicine, Beijing University of Chinese Medicine, Beijing, China
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Qiong Liu
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Jun Liu
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China
| | - Penglu Wei
- Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing, China
| | - Bing Li
- Institute of Chinese Materia Medica, China Academy of Chinese Medical Sciences, Beijing, China
| | - Nongyun Wang
- State Key Laboratory of Biotherapy, West China Hospital of Sichuan University, Sichuan, China
| | - Zhenquan Liu
- National Institute of TCM Constitution and Preventive Medicine, Beijing University of Chinese Medicine, Beijing, China.
- School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, China.
| | - Zhong Wang
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, China
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49
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Microglial Extracellular Vesicles as Vehicles for Neurodegeneration Spreading. Biomolecules 2021; 11:biom11060770. [PMID: 34063832 PMCID: PMC8224033 DOI: 10.3390/biom11060770] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/17/2021] [Accepted: 05/18/2021] [Indexed: 12/12/2022] Open
Abstract
Microglial cells are the neuroimmune competent cells of the central nervous system. In the adult, microglia are responsible for screening the neuronal parenchyma searching for alterations in homeostasis. Chronic neuroinflammation plays a role in neurodegenerative disease. Indeed, microglia-mediated neuroinflammation is involved in the onset and progression of several disorders in the brain and retina. Microglial cell reactivity occurs in an orchestrated manner and propagates across the neural parenchyma spreading the neuroinflammatory signal from cell to cell. Extracellular vesicles are important vehicles of intercellular communication and act as message carriers across boundaries. Extracellular vesicles can be subdivided in several categories according to their cellular origin (apoptotic bodies, microvesicles and exosomes), each presenting, different but sometimes overlapping functions in cell communication. Mounting evidence suggests a role for extracellular vesicles in regulating microglial cell action. Herein, we explore the role of microglial extracellular vesicles as vehicles for cell communication and the mechanisms that trigger their release. In this review we covered the role of microglial extracellular vesicles, focusing on apoptotic bodies, microvesicles and exosomes, in the context of neurodegeneration and the impact of these vesicles derived from other cells in microglial cell reactivity.
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50
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Díaz-Román M, Pulopulos MM, Baquero M, Salvador A, Cuevas A, Ferrer I, Ciopat O, Gómez E. Obstructive sleep apnea and Alzheimer's disease-related cerebrospinal fluid biomarkers in mild cognitive impairment. Sleep 2021; 44:5868470. [PMID: 32728730 DOI: 10.1093/sleep/zsaa133] [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: 11/12/2019] [Revised: 05/19/2020] [Indexed: 02/06/2023] Open
Abstract
Previous studies have demonstrated that sleep-breathing disorders, and especially obstructive sleep apnea (OSA), can be observed in patients with a higher risk of progression to Alzheimer's disease (AD). Recent evidence indicates that cerebrospinal fluid (CSF) AD-biomarkers are associated with OSA. In this study, we investigated these associations in a sample of patients with mild cognitive impairment (MCI), a condition that is considered the first clinical phase of AD, when patients showed biomarkers consistent with AD pathology. A total of 57 patients (mean age = 66.19; SD = 7.13) with MCI were included in the study. An overnight polysomnography recording was used to assess objective sleep parameters (i.e. apnea/hypopnea index [AHI], total sleep time, sleep efficiency, sleep latency, arousal index, awakening, stage 1, 2, and slow-wave sleep and rapid eye movement sleep, periodic limb movement index, O2 saturation during sleep, and percentage of time O2 saturation <90%). Phosphorylated-tau (P-tau), total-tau (T-tau), and amyloid-beta 42 (Aβ42) were measured in CSF. Unadjusted correlation analyses showed that a higher AHI (reflecting higher OSA severity) was related to higher P-tau and T-tau (both results remained significant after Bonferroni correction, p = 0.001). Importantly, these associations were observed even after adjusting for potential confounders (i.e. age, sex, body mass index, sleep medication, smoking, hypertension, and heart disease). Although more research is needed to establish a causal link, our findings provide evidence that OSA could be related to the pathophysiological mechanisms involved in neurodegeneration in MCI patients.
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Affiliation(s)
- Mónica Díaz-Román
- Sleep Medicine Unit, La Fe University and Polytechnic Hospital, Valencia, Spain.,Department of Clinical Neurophysiology, La Fe University and Polytechnic Hospital, Valencia, Spain.,Department of Clinical Neurophysiology, Lluís Alcanyís Hospital, Xàtiva, Spain
| | - Matias M Pulopulos
- Department of Experimental Clinical and Health Psychology, Faculty of Psychology and Educational Sciences, Ghent University, Gent, Belgium.,Laboratory of Social Cognitive Neuroscience, Department of Psychobiology, University of Valencia, IDOCAL, Valencia, Spain
| | - Miguel Baquero
- Cognitive Disorders Unit, Department of Neurology La Fe University and Polytechnic Hospital, Valencia, Spain
| | - Alicia Salvador
- Laboratory of Social Cognitive Neuroscience, Department of Psychobiology, University of Valencia, IDOCAL, Valencia, Spain
| | - Ana Cuevas
- Cognitive Disorders Unit, Department of Neurology La Fe University and Polytechnic Hospital, Valencia, Spain
| | - Inés Ferrer
- Laboratory of Social Cognitive Neuroscience, Department of Psychobiology, University of Valencia, IDOCAL, Valencia, Spain.,Cognitive Disorders Unit, Department of Neurology La Fe University and Polytechnic Hospital, Valencia, Spain
| | - Oana Ciopat
- Sleep Medicine Unit, La Fe University and Polytechnic Hospital, Valencia, Spain.,Department of Clinical Neurophysiology, La Fe University and Polytechnic Hospital, Valencia, Spain
| | - Enriqueta Gómez
- Sleep Medicine Unit, La Fe University and Polytechnic Hospital, Valencia, Spain.,Department of Clinical Neurophysiology, La Fe University and Polytechnic Hospital, Valencia, Spain
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