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Menezes L, Sampaio RMSN, Meurer L, Szpoganicz B, Cervo R, Cargnelutti R, Wang L, Yang J, Prabhakar R, Fernandes C, Horn A. A Multipurpose Metallophore and Its Copper Complexes with Diverse Catalytic Antioxidant Properties to Deal with Metal and Oxidative Stress Disorders: A Combined Experimental, Theoretical, and In Vitro Study. Inorg Chem 2024; 63:14827-14850. [PMID: 39078252 PMCID: PMC11323273 DOI: 10.1021/acs.inorgchem.4c00232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 07/15/2024] [Accepted: 07/17/2024] [Indexed: 07/31/2024]
Abstract
We report the discovery that the molecule 1-(pyridin-2-ylmethylamino)propan-2-ol (HL) can reduce oxidative stress in neuronal C6 glioma cells exposed to reactive oxygen species (O2-•, H2O2, and •OH) and metal (Cu+) stress conditions. Furthermore, its association with Cu2+ generates [Cu(HL)Cl2] (1) and [Cu(HL)2](ClO4)2 (2) complexes that also exhibit antioxidant properties. Potentiometric titration data show that HL can coordinate to Cu2+ in 1:1 and 1:2 Cu2+:ligand ratios, which was confirmed by monocrystal X-ray studies. The subsequent ultraviolet-visible, electrospray ionization mass spectrometry, and electron paramagnetic resonance experiments show that they can decompose a variety of reactive oxygen species (ROS). Kinetic studies revealed that 1 and 2 mimic the superoxide dismutase and catalase activities. Complex 1 promotes the fastest decomposition of H2O2 (kobs = 2.32 × 107 M-1 s-1), efficiently dismutases the superoxide anion (kcat = 3.08 × 107 M-1 s-1), and scavenges the hydroxyl radical (RSA50 = 25.7 × 10-6 M). Density functional theory calculations support the formation of dinuclear Cu-peroxide and mononuclear Cu-superoxide species in the reactions of [Cu(HL)Cl2] with H2O2 and O2•-, respectively. Furthermore, both 1 and 2 also reduce the oxidative stress of neuronal glioma C6 cells exposed to different ROS, including O2•- and •OH.
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Affiliation(s)
- Lucas
B. Menezes
- Departamento
de Química, Universidade Federal
de Santa Catarina, 88040-900 Florianópolis, SC, Brazil
| | - Raquel M. S. N. Sampaio
- Laboratório
de Ciências Químicas, Universidade
Estadual do Norte Fluminense Darcy Ribeiro, 28013-602 Campos dos Goytacazes, RJ, Brazil
| | - Lino Meurer
- Departamento
de Química, Universidade Federal
de Santa Catarina, 88040-900 Florianópolis, SC, Brazil
| | - Bruno Szpoganicz
- Departamento
de Química, Universidade Federal
de Santa Catarina, 88040-900 Florianópolis, SC, Brazil
| | - Rodrigo Cervo
- Departamento
de Química, Universidade Federal
de Santa Maria, 97105-900 Santa Maria, RS, Brazil
| | - Roberta Cargnelutti
- Departamento
de Química, Universidade Federal
de Santa Maria, 97105-900 Santa Maria, RS, Brazil
| | - Lukun Wang
- Department
of Chemistry, University of Miami, Coral Gables, Florida 33146, United States
| | - Jiawen Yang
- Department
of Chemistry, University of Miami, Coral Gables, Florida 33146, United States
| | - Rajeev Prabhakar
- Department
of Chemistry, University of Miami, Coral Gables, Florida 33146, United States
| | - Christiane Fernandes
- Departamento
de Química, Universidade Federal
de Santa Catarina, 88040-900 Florianópolis, SC, Brazil
| | - Adolfo Horn
- Departamento
de Química, Universidade Federal
de Santa Catarina, 88040-900 Florianópolis, SC, Brazil
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Preethy H A, Rajendran K, Sukumar AJ, Krishnan UM. Emerging paradigms in Alzheimer's Therapy. Eur J Pharmacol 2024:176872. [PMID: 39117266 DOI: 10.1016/j.ejphar.2024.176872] [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: 03/08/2024] [Revised: 07/13/2024] [Accepted: 08/05/2024] [Indexed: 08/10/2024]
Abstract
Alzheimer's disease is a neurodegenerative disorder that affects elderly, and its incidence is continuously increasing across the globe. Unfortunately, despite decades of research, a complete cure for Alzheimer's disease continues to elude us. The current medications are mainly symptomatic and slow the disease progression but do not result in reversal of all disease pathologies. The growing body of knowledge on the factors responsible for the onset and progression of the disease has resulted in the identification of new targets that could be targeted for treatment of Alzheimer's disease. This has opened new vistas for treatment of Alzheimer's disease that have moved away from chemotherapeutic agents modulating a single target to biologics and combinations that acted on multiple targets thereby offering better therapeutic outcomes. This review discusses the emerging directions in therapeutic interventions against Alzheimer's disease highlighting their merits that promise to change the treatment paradigm and challenges that limit their clinical translation.
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Affiliation(s)
- Agnes Preethy H
- School of Chemical & Biotechnology, SASTRA Deemed University, Thanjavur; Centre for Nanotechnology & Advanced Biomaterials, SASTRA Deemed University, Thanjavur
| | - Kayalvizhi Rajendran
- School of Chemical & Biotechnology, SASTRA Deemed University, Thanjavur; Centre for Nanotechnology & Advanced Biomaterials, SASTRA Deemed University, Thanjavur
| | - Anitha Josephine Sukumar
- School of Chemical & Biotechnology, SASTRA Deemed University, Thanjavur; Centre for Nanotechnology & Advanced Biomaterials, SASTRA Deemed University, Thanjavur
| | - Uma Maheswari Krishnan
- School of Chemical & Biotechnology, SASTRA Deemed University, Thanjavur; Centre for Nanotechnology & Advanced Biomaterials, SASTRA Deemed University, Thanjavur; School of Arts, Sciences, Humanities & Education, SASTRA Deemed University, Thanjavur.
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3
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Yang Z, Feng R, Zhao H. Cuproptosis and Cu: a new paradigm in cellular death and their role in non-cancerous diseases. Apoptosis 2024:10.1007/s10495-024-01993-y. [PMID: 39014119 DOI: 10.1007/s10495-024-01993-y] [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] [Accepted: 06/24/2024] [Indexed: 07/18/2024]
Abstract
Cuproptosis, a newly characterized form of regulated cell death driven by copper accumulation, has emerged as a significant mechanism underlying various non-cancerous diseases. This review delves into the complex interplay between copper metabolism and the pathogenesis of conditions such as Wilson's disease (WD), neurodegenerative disorders, and cardiovascular pathologies. We examine the molecular mechanisms by which copper dysregulation induces cuproptosis, highlighting the pivotal roles of key copper transporters and enzymes. Additionally, we evaluate the therapeutic potential of copper chelation strategies, which have shown promise in experimental models by mitigating copper-induced cellular damage and restoring physiological homeostasis. Through a comprehensive synthesis of recent advancements and current knowledge, this review underscores the necessity of further research to translate these findings into clinical applications. The ultimate goal is to harness the therapeutic potential of targeting cuproptosis, thereby improving disease management and patient outcomes in non-cancerous conditions associated with copper dysregulation.
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Affiliation(s)
- Zhibo Yang
- Department of Neurosurgery, 3201 Hospital of Xi'an Jiaotong University Health Science Center, Hanzhong, 723000, Shaanxi, China
| | - Ridong Feng
- Department of Neurosurgery, The First Affiliated Hospital, Zhejiang University School of Medicine (FAHZU), 79 Qingchun Rd., Shangcheng District, Hangzhou, 330100, Zhejiang, China
| | - Hai Zhao
- Department of Neurosurgery, The Affiliated Hospital of Qingdao University, No. 16 Jiangsu Road, Qingdao, 266005, Shandong, China.
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Sharma M, Pal P, Gupta SK. Advances in Alzheimer's disease: A multifaceted review of potential therapies and diagnostic techniques for early detection. Neurochem Int 2024; 177:105761. [PMID: 38723902 DOI: 10.1016/j.neuint.2024.105761] [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: 11/03/2023] [Revised: 04/20/2024] [Accepted: 05/06/2024] [Indexed: 06/04/2024]
Abstract
Alzheimer's disease (AD) remains one of the most formidable neurological disorders, affecting millions globally. This review provides a holistic overview of the therapeutic strategies, both conventional and novel, aimed at mitigating the impact of AD. Initially, we delve into the conventional approach, emphasizing the role of Acetylcholinesterase (AChE) inhibition, which has been a cornerstone in AD management. As our understanding of AD evolves, several novel potential approaches emerge. We discuss the promising roles of Butyrylcholinesterase (BChE) inhibition, Tau Protein inhibitors, COX-2 inhibition, PPAR-γ agonism, and FAHH inhibition, among others. The potential of the endocannabinoids (eCB) system, cholesterol-lowering drugs, metal chelators, and MMPs inhibitors are also explored, culminating in the exploration of the pivotal role of microRNA in AD progression. Parallel to these therapeutic insights, we shed light on the novel tools and methodologies revolutionizing AD research. From the quantitative analysis of gene expression by qRTPCR to the evaluation of mitochondrial function using induced pluripotent stem cells (iPSCs), the advances in diagnostic and research tools offer renewed hope. Moreover, we explore the current landscape of clinical trials, highlighting the leading drug interventions and their respective stages of development. This comprehensive review concludes with a look into the future perspectives, capturing the potential breakthroughs and innovations on the horizon. Through a synthesis of current knowledge and emerging research, this article aims to provide a consolidated resource for clinicians, researchers, and academicians in the realm of Alzheimer's disease.
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Affiliation(s)
- Monika Sharma
- Faculty of Pharmacy, Department of Pharmacology, Swami Vivekanand Subharti University, Meerut, Uttar Pradesh, India
| | - Pankaj Pal
- Department of Pharmacy, Banasthali Vidyapith, Rajasthan, India.
| | - Sukesh Kumar Gupta
- KIET School of Pharmacy, KIET Group of Institutions, Ghaziabad, Uttar Pradesh, India; Department of Ophthalmology, Visual and Anatomical Sciences (OVAS), School of Medicine, Wayne State University, USA.
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5
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Iram F, Shahid M, Ansari J, Ashraf GM, Hassan MI, Islam A. Navigating the Maze of Alzheimer's disease by exploring BACE1: Discovery, current scenario, and future prospects. Ageing Res Rev 2024; 98:102342. [PMID: 38762102 DOI: 10.1016/j.arr.2024.102342] [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: 03/07/2024] [Revised: 05/04/2024] [Accepted: 05/13/2024] [Indexed: 05/20/2024]
Abstract
Alzheimer's disease (AD) is a chronic neurological condition that has become a leading cause of cognitive decline in elder individuals. Hardly any effective medication has been developed to halt the progression of AD due to the disease's complexity. Several theories have been put forward to clarify the mechanisms underlying AD etiology. The identification of amyloid plaques as a hallmark of AD has sparked the development of numerous drugs targeting the players involved in the amyloidogenic pathway, such as the β-site of amyloid precursor protein cleavage enzyme 1 (BACE1) blockers. Over the last ten years, preclinical and early experimental research has led several pharmaceutical companies to prioritize producing BACE1 inhibitors. Despite all these efforts, earlier discovered inhibitors were discontinued in consideration of another second-generation small molecules and recent BACE1 antagonists failed in the final stages of clinical trials because of the complications associated either with toxicity or effectiveness. In addition to discussing the difficulties associated with development of BACE1 inhibitors, this review aims to provide an overview of BACE1 and offer perspectives on the causes behind the failure of five recent BACE1 inhibitors, that would be beneficial for choosing effective treatment approaches in the future.
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Affiliation(s)
- Faiza Iram
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Mohammad Shahid
- Department of Basic Medical Sciences, College of Medicine, Prince Sattam Bin Abdulaziz University, Al-Kharj, Saudi Arabia
| | - Jaoud Ansari
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Ghulam Md Ashraf
- University of Sharjah, College of Health Sciences, and Research Institute for Medical and Health Sciences, Department of Medical Laboratory Sciences, Sharjah 27272, United Arab Emirates
| | - Md Imtaiyaz Hassan
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India
| | - Asimul Islam
- Centre for Interdisciplinary Research in Basic Sciences, Jamia Millia Islamia, Jamia Nagar, New Delhi 110025, India.
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Volpi G, Laurenti E, Rabezzana R. Imidazopyridine Family: Versatile and Promising Heterocyclic Skeletons for Different Applications. Molecules 2024; 29:2668. [PMID: 38893542 PMCID: PMC11173518 DOI: 10.3390/molecules29112668] [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: 05/03/2024] [Revised: 05/30/2024] [Accepted: 05/31/2024] [Indexed: 06/21/2024] Open
Abstract
In recent years, there has been increasing attention focused on various products belonging to the imidazopyridine family; this class of heterocyclic compounds shows unique chemical structure, versatile optical properties, and diverse biological attributes. The broad family of imidazopyridines encompasses different heterocycles, each with its own specific properties and distinct characteristics, making all of them promising for various application fields. In general, this useful category of aromatic heterocycles holds significant promise across various research domains, spanning from material science to pharmaceuticals. The various cores belonging to the imidazopyridine family exhibit unique properties, such as serving as emitters in imaging, ligands for transition metals, showing reversible electrochemical properties, and demonstrating biological activity. Recently, numerous noteworthy advancements have emerged in different technological fields, including optoelectronic devices, sensors, energy conversion, medical applications, and shining emitters for imaging and microscopy. This review intends to provide a state-of-the-art overview of this framework from 1955 to the present day, unveiling different aspects of various applications. This extensive literature survey may guide chemists and researchers in the quest for novel imidazopyridine compounds with enhanced properties and efficiency in different uses.
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Affiliation(s)
- Giorgio Volpi
- Department of Chemistry, University of Turin, Via Pietro Giuria 7, 10125 Torino, Italy; (E.L.)
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Everett J, Brooks J, Tjendana Tjhin V, Lermyte F, Hands-Portman I, Plascencia-Villa G, Perry G, Sadler PJ, O’Connor PB, Collingwood JF, Telling ND. Label-Free In Situ Chemical Characterization of Amyloid Plaques in Human Brain Tissues. ACS Chem Neurosci 2024; 15:1469-1483. [PMID: 38501754 PMCID: PMC10995949 DOI: 10.1021/acschemneuro.3c00756] [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: 11/22/2023] [Revised: 02/20/2024] [Accepted: 03/01/2024] [Indexed: 03/20/2024] Open
Abstract
The accumulation of amyloid plaques and increased brain redox burdens are neuropathological hallmarks of Alzheimer's disease. Altered metabolism of essential biometals is another feature of Alzheimer's, with amyloid plaques representing sites of disturbed metal homeostasis. Despite these observations, metal-targeting disease treatments have not been therapeutically effective to date. A better understanding of amyloid plaque composition and the role of the metals associated with them is critical. To establish this knowledge, the ability to resolve chemical variations at nanometer length scales relevant to biology is essential. Here, we present a methodology for the label-free, nanoscale chemical characterization of amyloid plaques within human Alzheimer's disease tissue using synchrotron X-ray spectromicroscopy. Our approach exploits a C-H carbon absorption feature, consistent with the presence of lipids, to visualize amyloid plaques selectively against the tissue background, allowing chemical analysis to be performed without the addition of amyloid dyes that alter the native sample chemistry. Using this approach, we show that amyloid plaques contain elevated levels of calcium, carbonates, and iron compared to the surrounding brain tissue. Chemical analysis of iron within plaques revealed the presence of chemically reduced, low-oxidation-state phases, including ferromagnetic metallic iron. The zero-oxidation state of ferromagnetic iron determines its high chemical reactivity and so may contribute to the redox burden in the Alzheimer's brain and thus drive neurodegeneration. Ferromagnetic metallic iron has no established physiological function in the brain and may represent a target for therapies designed to lower redox burdens in Alzheimer's disease. Additionally, ferromagnetic metallic iron has magnetic properties that are distinct from the iron oxide forms predominant in tissue, which might be exploitable for the in vivo detection of amyloid pathologies using magnetically sensitive imaging. We anticipate that this label-free X-ray imaging approach will provide further insights into the chemical composition of amyloid plaques, facilitating better understanding of how plaques influence the course of Alzheimer's disease.
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Affiliation(s)
- James Everett
- School
of Pharmacy and Bioengineering, Guy Hilton Research Centre, Keele University, Thornburrow Drive,Stoke-on-Trent,Staffordshire ST4 7QB, U.K.
- School
of Engineering, University of Warwick, Library Road,Coventry CV4 7AL, U.K.
| | - Jake Brooks
- School
of Engineering, University of Warwick, Library Road,Coventry CV4 7AL, U.K.
| | - Vindy Tjendana Tjhin
- School
of Engineering, University of Warwick, Library Road,Coventry CV4 7AL, U.K.
| | - Frederik Lermyte
- School
of Engineering, University of Warwick, Library Road,Coventry CV4 7AL, U.K.
- Department
of Chemistry, Technical University of Darmstadt, Alarich-Weiss-Strasse 4, 64287 Darmstadt, Germany
| | - Ian Hands-Portman
- School
of Life Sciences, University of Warwick, Gibbet Hill Campus,Coventry CV4 7AL, U.K.
| | - Germán Plascencia-Villa
- Department
of Developmental and Regenerative Biology, The University of Texas at San Antonio (UTSA), San Antonio, Texas 78249, United States
| | - George Perry
- Department
of Developmental and Regenerative Biology, The University of Texas at San Antonio (UTSA), San Antonio, Texas 78249, United States
| | - Peter J. Sadler
- Department
of Chemistry, University of Warwick, Library Road,Coventry CV4 7AL, U.K.
| | - Peter B. O’Connor
- Department
of Chemistry, University of Warwick, Library Road,Coventry CV4 7AL, U.K.
| | | | - Neil D. Telling
- School
of Pharmacy and Bioengineering, Guy Hilton Research Centre, Keele University, Thornburrow Drive,Stoke-on-Trent,Staffordshire ST4 7QB, U.K.
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8
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Panghal A, Flora SJS. Nanotechnology in the diagnostic and therapy for Alzheimer's disease. Biochim Biophys Acta Gen Subj 2024; 1868:130559. [PMID: 38191034 DOI: 10.1016/j.bbagen.2024.130559] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2023] [Revised: 12/21/2023] [Accepted: 01/04/2024] [Indexed: 01/10/2024]
Abstract
Alzheimer's disease (AD) is a neurodegenerative disorder primarily characterized by β-amyloid plaque, intraneuronal tangles, significant neuronal loss and cognitive deficit. Treatment in the early stages of the disease is crucial for preventing or perhaps reversing the neurodegeneration in the AD cases. However, none of the current diagnostic procedures are capable of early diagnosis of AD. Further, the available treatments merely provide symptomatic alleviation in AD and do not address the underlying illness. Therefore, there is no permanent cure for AD currently. Better therapeutic outcomes need the optimum drug concentration in the central nervous system (CNS) by traversing blood-brain-barrier (BBB). Nanotechnology offers enormous promise to transform the treatment and diagnostics of neurodegenerative diseases. Nanotechnology based diagnostic tools, drug delivery systems and theragnostic are capable of highly sensitive molecular detection, effective drug targeting and their combination. Significant work has been done in this area over the last decade and prospective results have been obtained in AD therapy. This review explores the various applications of nanotechnology in addressing the varied facets of AD, ranging from early detection to therapeutic interventions. This review also looks at how nanotechnology can help with the development of disease-modifying medicines, such as the delivery of anti-amyloid, anti-tau, cholinesterase inhibitors, antioxidants and hormonal drugs. In conclusion, this paper discusses the role of nanotechnology in the early detection of AD, effective drug targeting to the CNS and theragnostic applications in the management of AD.
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Affiliation(s)
- Archna Panghal
- National Institute of Pharmaceutical Education and Research, SAS Nagar, Mohali, Panjab 160012, India
| | - S J S Flora
- National Institute of Pharmaceutical Education and Research, SAS Nagar, Mohali, Panjab 160012, India; Institute of Pharmaceutical Sciences, Era Medical University, Safarajganj, Lucknow 226003, U.P., India.
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Tabanez M, Santos IR, Ikebara JM, Camargo MLM, Dos Santos BA, Freire BM, Batista BL, Takada SH, Squitti R, Kihara AH, Cerchiaro G. The Impact of Hydroxytyrosol on the Metallomic-Profile in an Animal Model of Alzheimer's Disease. Int J Mol Sci 2023; 24:14950. [PMID: 37834398 PMCID: PMC10573659 DOI: 10.3390/ijms241914950] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Revised: 09/26/2023] [Accepted: 10/03/2023] [Indexed: 10/15/2023] Open
Abstract
It is undeniable that as people get older, they become progressively more susceptible to neurodegenerative illnesses such as Alzheimer's disease (AD). Memory loss is a prominent symptom of this condition and can be exacerbated by uneven levels of certain metals. This study used inductively coupled plasma mass spectrometry (ICP-MS) to examine the levels of metals in the blood plasma, frontal cortex, and hippocampus of Wistar rats with AD induced by streptozotocin (STZ). It also tested the effects of the antioxidant hydroxytyrosol (HT) on metal levels. The Barnes maze behavior test was used, and the STZ group showed less certainty and greater distance when exploring the Barnes maze than the control group. The results also indicated that the control group and the STZ + HT group exhibited enhanced learning curves during the Barnes maze training as compared to the STZ group. The ICP-MS analysis showed that the STZ group had lower levels of cobalt in their blood plasma than the control group, while the calcium levels in the frontal cortex of the STZ + HT group were higher than in the control group. The most important finding was that copper levels in the frontal cortex from STZ-treated animals were higher than in the control group, and that the STZ + HT group returned to equivalent levels to the control group. The antioxidant HT can restore copper levels to their basal physiological state. This finding may help explain HT's potential beneficial effect in AD-patients.
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Affiliation(s)
- Miguel Tabanez
- Center for Natural Sciences and Humanities, Federal University of ABC, Santo André 09210-580, SP, Brazil; (M.T.); (I.R.S.); (M.L.M.C.); (B.M.F.); (B.L.B.)
- Metal Biochemistry and Oxidative Stress Laboratory, Center for Natural Sciences and Humanities, Federal University of ABC, Santo André 09210-580, SP, Brazil
| | - Ilma R. Santos
- Center for Natural Sciences and Humanities, Federal University of ABC, Santo André 09210-580, SP, Brazil; (M.T.); (I.R.S.); (M.L.M.C.); (B.M.F.); (B.L.B.)
- Metal Biochemistry and Oxidative Stress Laboratory, Center for Natural Sciences and Humanities, Federal University of ABC, Santo André 09210-580, SP, Brazil
| | - Juliane M. Ikebara
- Center for Mathematics, Computing and Cognition, Federal University of ABC, São Bernardo do Campo 09606-045, SP, Brazil; (J.M.I.); (B.A.D.S.); (S.H.T.); (A.H.K.)
| | - Mariana L. M. Camargo
- Center for Natural Sciences and Humanities, Federal University of ABC, Santo André 09210-580, SP, Brazil; (M.T.); (I.R.S.); (M.L.M.C.); (B.M.F.); (B.L.B.)
- Metal Biochemistry and Oxidative Stress Laboratory, Center for Natural Sciences and Humanities, Federal University of ABC, Santo André 09210-580, SP, Brazil
| | - Bianca A. Dos Santos
- Center for Mathematics, Computing and Cognition, Federal University of ABC, São Bernardo do Campo 09606-045, SP, Brazil; (J.M.I.); (B.A.D.S.); (S.H.T.); (A.H.K.)
| | - Bruna M. Freire
- Center for Natural Sciences and Humanities, Federal University of ABC, Santo André 09210-580, SP, Brazil; (M.T.); (I.R.S.); (M.L.M.C.); (B.M.F.); (B.L.B.)
| | - Bruno L. Batista
- Center for Natural Sciences and Humanities, Federal University of ABC, Santo André 09210-580, SP, Brazil; (M.T.); (I.R.S.); (M.L.M.C.); (B.M.F.); (B.L.B.)
| | - Silvia H. Takada
- Center for Mathematics, Computing and Cognition, Federal University of ABC, São Bernardo do Campo 09606-045, SP, Brazil; (J.M.I.); (B.A.D.S.); (S.H.T.); (A.H.K.)
| | - Rosanna Squitti
- Department of Laboratory Science, Ospedale Isola Tiberina—Gemelli Isola, 00186 Rome, Italy;
| | - Alexandre H. Kihara
- Center for Mathematics, Computing and Cognition, Federal University of ABC, São Bernardo do Campo 09606-045, SP, Brazil; (J.M.I.); (B.A.D.S.); (S.H.T.); (A.H.K.)
| | - Giselle Cerchiaro
- Center for Natural Sciences and Humanities, Federal University of ABC, Santo André 09210-580, SP, Brazil; (M.T.); (I.R.S.); (M.L.M.C.); (B.M.F.); (B.L.B.)
- Metal Biochemistry and Oxidative Stress Laboratory, Center for Natural Sciences and Humanities, Federal University of ABC, Santo André 09210-580, SP, Brazil
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Wang F, Fernandez-Gonzalez P, Ramon E, Gomez-Gutierrez P, Morillo M, Garriga P. Effect of Trace Metal Ions on the Conformational Stability of the Visual Photoreceptor Rhodopsin. Int J Mol Sci 2023; 24:11231. [PMID: 37446409 DOI: 10.3390/ijms241311231] [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: 06/09/2023] [Revised: 07/01/2023] [Accepted: 07/06/2023] [Indexed: 07/15/2023] Open
Abstract
Trace metals are essential elements that play key roles in a number of biochemical processes governing human visual physiology in health and disease. Several trace metals, such as zinc, have been shown to play important roles in the visual phototransduction process. In spite of this, there has been little research conducted on the direct effect of trace metal elements on the visual photoreceptor rhodopsin. In the current study, we have determined the effect of several metal ions, such as iron, copper, chromium, manganese, and nickel, on the conformational stability of rhodopsin. To this aim, we analyzed, by means of UV-visible and fluorescence spectroscopic methods, the effects of these trace elements on the thermal stability of dark rhodopsin, the stability of its active Metarhodopsin II conformation, and its chromophore regeneration. Our results show that copper prevented rhodopsin regeneration and slowed down the retinal release process after illumination. In turn, Fe3+, but not Fe2+, increased the thermal stability of the dark inactive conformation of rhodopsin, whereas copper ions markedly decreased it. These findings stress the important role of trace metals in retinal physiology at the photoreceptor level and may be useful for the development of novel therapeutic strategies to treat retinal disease.
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Affiliation(s)
- Feifei Wang
- Grup de Biotecnologia Molecular i Industrial, Centre de Biotecnologia Molecular, Departament d'Enginyeria Química, Universitat Politècnica de Catalunya-Barcelona Tech, Edifici Gaia, Rambla de Sant Nebridi 22, 08222 Terrassa, Catalonia, Spain
| | - Pol Fernandez-Gonzalez
- Grup de Biotecnologia Molecular i Industrial, Centre de Biotecnologia Molecular, Departament d'Enginyeria Química, Universitat Politècnica de Catalunya-Barcelona Tech, Edifici Gaia, Rambla de Sant Nebridi 22, 08222 Terrassa, Catalonia, Spain
| | - Eva Ramon
- Grup de Biotecnologia Molecular i Industrial, Centre de Biotecnologia Molecular, Departament d'Enginyeria Química, Universitat Politècnica de Catalunya-Barcelona Tech, Edifici Gaia, Rambla de Sant Nebridi 22, 08222 Terrassa, Catalonia, Spain
| | - Patricia Gomez-Gutierrez
- Departament d'Enginyeria Química, Universitat Politècnica de Catalunya-Barcelona Tech, Edifici ETSEIB, Av. Diagonal 647, 08028 Barcelona, Catalonia, Spain
| | - Margarita Morillo
- Grup de Biotecnologia Molecular i Industrial, Centre de Biotecnologia Molecular, Departament d'Enginyeria Química, Universitat Politècnica de Catalunya-Barcelona Tech, Edifici Gaia, Rambla de Sant Nebridi 22, 08222 Terrassa, Catalonia, Spain
| | - Pere Garriga
- Grup de Biotecnologia Molecular i Industrial, Centre de Biotecnologia Molecular, Departament d'Enginyeria Química, Universitat Politècnica de Catalunya-Barcelona Tech, Edifici Gaia, Rambla de Sant Nebridi 22, 08222 Terrassa, Catalonia, Spain
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Sánchez JD, Alcántara AR, González JF, Sánchez-Montero JM. Advances in the discovery of heterocyclic-based drugs against Alzheimer's disease. Expert Opin Drug Discov 2023; 18:1413-1428. [PMID: 37800875 DOI: 10.1080/17460441.2023.2264766] [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: 06/01/2023] [Accepted: 09/26/2023] [Indexed: 10/07/2023]
Abstract
INTRODUCTION Alzheimer's disease is a multifactorial neurodegenerative disorder characterized by beta-amyloid accumulation and tau protein hyperphosphorylation. The disease involves interconnected mechanisms, which can be clustered into two target-packs based on the affected proteins. Pack-1 focuses on beta-amyloid accumulation, oxidative stress, and metal homeostasis dysfunction, and Pack-2 involves tau protein, calcium homeostasis, and neuroinflammation. Against this background heterocyclic system, there is a powerful source of pharmacophores to develop effective small drugs to treat multifactorial diseases like Alzheimer's. AREAS COVERED This review highlights the most promising heterocyclic systems as potential hit candidates with multi-target capacity for the development of new drugs targeting Alzheimer's disease. The selection of these heterocyclic systems was based on two crucial factors: their synthetic versatility and their well-documented biological properties of therapeutic potential in neurodegenerative diseases. EXPERT OPINION The synthesis of small drugs against Alzheimer's disease requires a multifactorial approach that targets the key pathological proteins. In this context, the utilization of heterocyclic systems, with well-established synthetic processes and facile functionalization, becomes a crucial element in the design phases. Furthermore, the selection of hit heterocyclic should be guided by a full understanding of their biological activities. Thus, the identification of promising heterocyclic scaffolds with known biological effects increases the potential to develop effective molecules against Alzheimer's disease.
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Affiliation(s)
- Juan D Sánchez
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Andrés R Alcántara
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - Juan F González
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
| | - José María Sánchez-Montero
- Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
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Li N, Duan YH, Chen L, Zhang K. Iron metabolism: An emerging therapeutic target underlying the anti-Alzheimer's disease effect of ginseng. J Trace Elem Med Biol 2023; 79:127252. [PMID: 37418790 DOI: 10.1016/j.jtemb.2023.127252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 06/05/2023] [Accepted: 06/22/2023] [Indexed: 07/09/2023]
Abstract
Finding neuroprotective drugs with fewer side effects and more efficacy has become a major problem as the global prevalence of Alzheimer's disease (AD) rises. Natural drugs have risen to prominence as potential medication candidates. Ginseng has a long history of use in China, and it has a wide range of pharmacological actions that can help with neurological issues. Iron loaded in the brain has been linked to AD pathogenesis. We reviewed the regulation of iron metabolism and its studies in AD and explored how ginseng might regulate iron metabolism and prevent or treat AD. Researchers utilized network pharmacology analysis to identify key factive components of ginseng that protect against AD by regulating ferroptosis. Ginseng and its active ingredients may benefit AD by regulating iron metabolism and targeting ferroptosis genes to inhibit the ferroptosis process. The results present new ideas for ginseng pharmacological studies and initiatives for further research into AD-related drugs. To provide comprehensive information on the neuroprotective use of ginseng to modulate iron metabolism, reveal its potential to treat AD, and provide insights for future research opportunities.
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Affiliation(s)
- Nan Li
- Department of Clinical Laboratory, The Second Hospital of Jilin University, Changchun, China
| | - Yu-Han Duan
- Department of Clinical Laboratory, The Second Hospital of Jilin University, Changchun, China
| | - Lei Chen
- Department of Clinical Laboratory, The Second Hospital of Jilin University, Changchun, China
| | - Kun Zhang
- Department of Medical Research Center, The Second Hospital of Jilin University, Changchun, China.
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Lim YY, Zaidi AMA, Miskon A. Combining Copper and Zinc into a Biosensor for Anti-Chemoresistance and Achieving Osteosarcoma Therapeutic Efficacy. Molecules 2023; 28:molecules28072920. [PMID: 37049685 PMCID: PMC10096333 DOI: 10.3390/molecules28072920] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/09/2023] [Accepted: 03/10/2023] [Indexed: 04/14/2023] Open
Abstract
Due to its built-up chemoresistance after prolonged usage, the demand for replacing platinum in metal-based drugs (MBD) is rising. The first MBD approved by the FDA for cancer therapy was cisplatin in 1978. Even after nearly four and a half decades of trials, there has been no significant improvement in osteosarcoma (OS) therapy. In fact, many MBD have been developed, but the chemoresistance problem raised by platinum remains unresolved. This motivates us to elucidate the possibilities of the copper and zinc (CuZn) combination to replace platinum in MBD. Thus, the anti-chemoresistance properties of CuZn and their physiological functions for OS therapy are highlighted. Herein, we summarise their chelators, main organic solvents, and ligand functions in their structures that are involved in anti-chemoresistance properties. Through this review, it is rational to discuss their ligands' roles as biosensors in drug delivery systems. Hereafter, an in-depth understanding of their redox and photoactive function relationships is provided. The disadvantage is that the other functions of biosensors cannot be elaborated on here. As a result, this review is being developed, which is expected to intensify OS drugs with higher cure rates. Nonetheless, this advancement intends to solve the major chemoresistance obstacle towards clinical efficacy.
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Affiliation(s)
- Yan Yik Lim
- Faculty of Defence Science and Technology, National Defence University of Malaysia, Sungai Besi Camp, Kuala Lumpur 57000, Malaysia
| | - Ahmad Mujahid Ahmad Zaidi
- Faculty of Defence Science and Technology, National Defence University of Malaysia, Sungai Besi Camp, Kuala Lumpur 57000, Malaysia
| | - Azizi Miskon
- Faculty of Engineering, National Defence University of Malaysia, Sungai Besi Camp, Kuala Lumpur 57000, Malaysia
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