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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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Zhao Y, Demirci U, Chen Y, Chen P. Multiscale brain research on a microfluidic chip. LAB ON A CHIP 2020; 20:1531-1543. [PMID: 32150176 DOI: 10.1039/c9lc01010f] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
One major challenge in current brain research is generating an integrative understanding of the brain's functions and disorders from its multiscale neuronal architectures and connectivity. Thus, innovative neurotechnology tools are urgently required for deciphering the multiscale functional and structural organizations of the brain at hierarchical scales from the molecular to the organismal level by multiple brain research initiatives launched by the European Union, United States, Australia, Canada, China, Korea, and Japan. To meet this demand, microfluidic chips (μFCs) have rapidly evolved as a trans-scale neurotechnological toolset to enable multiscale studies of the brain due to their unique advantages in flexible microstructure design, multifunctional integration, accurate microenvironment control, and capacity for automatic sample processing. Here, we review the recent progress in applying innovative μFC-based neuro-technologies to promote multiscale brain research and uniquely focus on representative applications of μFCs to address challenges in brain research at each hierarchical level. We discuss the current trend of combinational applications of μFCs with other neuro- and biotechnologies, including optogenetics, brain organoids, and 3D bioprinting, for better multiscale brain research. In addition, we offer our insights into the existing outstanding questions at each hierarchical level of brain research that could potentially be addressed by advancing microfluidic techniques. This review will serve as a timely guide for bioengineers and neuroscientists to develop and apply μFC-based neuro-technologies for promoting basic and translational brain research.
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Affiliation(s)
- Yanan Zhao
- Department of Biomedical Engineering, Wuhan University School of Basic Medical Sciences, 115 Donghu Road, Wuhan 430071, China.
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Gielnik M, Pietralik Z, Zhukov I, Szymańska A, Kwiatek WM, Kozak M. PrP (58-93) peptide from unstructured N-terminal domain of human prion protein forms amyloid-like fibrillar structures in the presence of Zn 2+ ions. RSC Adv 2019; 9:22211-22219. [PMID: 35519468 PMCID: PMC9066832 DOI: 10.1039/c9ra01510h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2019] [Accepted: 07/07/2019] [Indexed: 12/12/2022] Open
Abstract
Many transition metal ions modulate the aggregation of different amyloid peptides. Substoichiometric zinc concentrations can inhibit aggregation, while an excess of zinc can accelerate the formation of cytotoxic fibrils. In this study, we report the fibrillization of the octarepeat domain to amyloid-like structures. Interestingly, this self-assembling process occurred only in the presence of Zn(ii) ions. The formed peptide aggregates are able to bind amyloid specific dyes thioflavin T and Congo red. Atomic force microscopy and transmission electron microscopy revealed the formation of long, fibrillar structures. X-ray diffraction and Fourier transform infrared spectroscopy studies of the formed assemblies confirmed the presence of cross-β structure. Two-component analysis of synchrotron radiation SAXS data provided the evidence for a direct decrease in monomeric peptide species content and an increase in the fraction of aggregates as a function of Zn(ii) concentration. These results could shed light on Zn(ii) as a toxic agent and on the metal ion induced protein misfolding in prion diseases.
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Affiliation(s)
- Maciej Gielnik
- Department of Macromolecular Physics, Faculty of Physics, Adam Mickiewicz University Uniwersytetu Poznańskiego 2 PL 61-614 Poznań Poland
| | - Zuzanna Pietralik
- Department of Macromolecular Physics, Faculty of Physics, Adam Mickiewicz University Uniwersytetu Poznańskiego 2 PL 61-614 Poznań Poland
| | - Igor Zhukov
- Institute of Biochemistry and Biophysics, Polish Academy of Sciences PL 02-106 Warszawa Poland
- NanoBioMedical Centre, Adam Mickiewicz University PL 61-614 Poznań Poland
| | - Aneta Szymańska
- Department of Biomedical Chemistry, Faculty of Chemistry, Gdańsk University PL 80-308 Gdańsk Poland
| | - Wojciech M Kwiatek
- Institute of Nuclear Physics Polish Academy of Sciences PL 31-342 Krakow Poland
| | - Maciej Kozak
- Department of Macromolecular Physics, Faculty of Physics, Adam Mickiewicz University Uniwersytetu Poznańskiego 2 PL 61-614 Poznań Poland
- Joint Laboratory for SAXS Studies, Faculty of Physics, Adam Mickiewicz University PL 61-614 Poznań Poland
- National Synchrotron Radiation Centre SOLARIS, Jagiellonian University PL 30-392 Kraków Poland
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Szutkowski K, Kołodziejska Ż, Pietralik Z, Zhukov I, Skrzypczak A, Materna K, Kozak M. Clear distinction between CAC and CMC revealed by high-resolution NMR diffusometry for a series of bis-imidazolium gemini surfactants in aqueous solutions. RSC Adv 2018; 8:38470-38482. [PMID: 35559094 PMCID: PMC9090568 DOI: 10.1039/c8ra07081d] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 11/01/2018] [Indexed: 01/15/2023] Open
Abstract
The aggregation behavior in the transition region was studied for a series of dicationic surfactants 3,3′-[α,ω-(dioxaalkane)]bis(1-dodecylimidazolium)dichlorides with varied spacer length from two to twelve carbon atoms. We employed Nuclear Magnetic Resonance diffusometry and Bayesian DOSY analysis to obtain the aggregate size distribution in the transition region. The critical concentrations CC were independently obtained from surface tension, electric conductivity, UV-Vis and NMR methods. The micelle aggregation numbers were estimated from the self-diffusion coefficients and were independently confirmed using steady-state fluorescence quenching. The morphology of the aggregates was characterized by small-angle scattering of synchrotron radiation and molecular dynamics simulations. The obtained CC values are identified as critical aggregation concentrations CAC. A broad transition region was observed, and stable micelles were obtained at much higher concentrations than CAC. The accurate CMC values could not be identified for the systems in the study. We indicated that the distribution of aggregate size becomes small and the system becomes homogeneous at much larger concentrations than CAC (typically 15–20 mM). The existence of a slow exchange between two environments, an aggregate and aqueous environment, was confirmed by 1H NMR and 2D HSQC NMR spectroscopy. The aggregation behavior in the transition region was studied for a series of dicationic surfactants 3,3′-[α,ω-(dioxaalkane)]bis(1-dodecylimidazolium)dichlorides with varied spacer length from two to twelve carbon atoms.![]()
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Affiliation(s)
- Kosma Szutkowski
- NanoBioMedical Centre
- Adam Mickiewicz University in Poznań
- PL61614 Poznań
- Poland
| | - Żaneta Kołodziejska
- Department of Macromolecular Physics
- Faculty of Physics
- Adam Mickiewicz University in Poznań
- PL61614 Poznań
- Poland
| | - Zuzanna Pietralik
- Department of Macromolecular Physics
- Faculty of Physics
- Adam Mickiewicz University in Poznań
- PL61614 Poznań
- Poland
| | - Igor Zhukov
- Institute of Biochemistry and Biophysics
- Polish Academy of Sciences
- PL02106 Warsaw
- Poland
| | - Andrzej Skrzypczak
- Institute of Chemical Technology and Engineering
- Faculty of Chemical Technology
- Poznań University of Technology
- PL60965 Poznań
- Poland
| | - Katarzyna Materna
- Institute of Chemical Technology and Engineering
- Faculty of Chemical Technology
- Poznań University of Technology
- PL60965 Poznań
- Poland
| | - Maciej Kozak
- Department of Macromolecular Physics
- Faculty of Physics
- Adam Mickiewicz University in Poznań
- PL61614 Poznań
- Poland
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de Souza ÍFT, Arêas EPG. Non-ideal behavior of binary aqueous mixtures of some urea derivatives and their capacity to induce lysozyme gelation. J Colloid Interface Sci 2017; 507:190-199. [PMID: 28787619 DOI: 10.1016/j.jcis.2017.07.107] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2017] [Revised: 07/27/2017] [Accepted: 07/28/2017] [Indexed: 12/25/2022]
Abstract
The urea derivatives, namely, ethylurea (EU), 1,3 dimethylurea (1,3-DMU) and 1,1 diethylurea (1,1-DEU), in the limiting regions of their solubilities in water, and tetramethylurea (TMU) at w≥0.65 were investigated in relation to their capacity of inducing hen egg white lysozyme (HEWL) physical (non-covalent) gelation. Protein transparent gels were generated out of TMU/H2O and 1,1-DEU/H2O, respectively, whereas an intensively turbid gel resulted from sol-gel transition taking place in EU/H2O. Oscillatory rheology revealed distinctions in the gels' structural and dynamic characteristics. Hydration patterns of the derivatives in solution, sizes of their non-polar domains and supramolecular symmetry features played a central role in their capacity of gel formation and in the gels' rheological behavior and morphology. Effects on gel characteristics of distinctively positioned ions in the Hofmeister series showed that SCN- disrupted water H-bonding interconnectivity in TMU lysozyme gel, strengthening gel structure, yet maintaining gel transparency. Citrate enhanced system elasticity albeit causing intense turbidity and leading to phase separation. Larger values of the storage modulus, G', were verified for gels generated from binary mixtures containing urea derivatives with higher dipole moments.
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Affiliation(s)
- Ícaro F T de Souza
- Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, 05508-000 São Paulo, SP, Brazil
| | - Elizabeth P G Arêas
- Instituto de Química, Universidade de São Paulo, Av. Prof. Lineu Prestes, 748, 05508-000 São Paulo, SP, Brazil.
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Gospodarczyk W, Kozak M. Microchip Circulation Drastically Accelerates Amyloid Aggregation of 1-42 β-amyloid Peptide from Felis catus. ACS Chem Neurosci 2017; 8:2558-2567. [PMID: 28759721 DOI: 10.1021/acschemneuro.7b00285] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Abstract
The amyloid aggregation process of amyloid β1-42 peptide is responsible for Alzheimer's disease, affecting millions of elderly people worldwide. Although there has been a great deal of attention directed toward tackling this disease, still no medicine has been found for this fatal disorder. To address this challenge, it is vital to thoroughly understand the molecular mechanism underlying the amyloid peptide aggregation process, as well as seek substances that could hamper this aggregation. In order to shed light on mechanisms leading to amyloidogenesis, we employed a microfluidic system to determine the possible influence of in vivo-like flow in the microchip channel itself on feline Aβ1-42 peptide amyloidogenesis. We have shown that shear forces occurring during such flow immensely accelerated peptide aggregation. We also tested the inhibitory influence of 3,3'-[1,6-(2,5-dioxahexane)]bis(1-dodecylimidazolium) dichloride gemini surfactant on peptide amyloidogenesis. Our results suggest that this surfactant may inhibit amyloid β1-42 fibril formation.
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Affiliation(s)
- Witold Gospodarczyk
- Department of Macromolecular
Physics, Faculty of Physics, Adam Mickiewicz University, 61-614 Poznań, Poland
| | - Maciej Kozak
- Department of Macromolecular
Physics, Faculty of Physics, Adam Mickiewicz University, 61-614 Poznań, Poland
- Joint Laboratory
for SAXS studies, Faculty of Physics, Adam Mickiewicz University, Umultowska 85, 61-614 Poznań, Poland
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