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Jurku̅nas M, Talaikis M, Klimkevičius V, Pudžaitis V, Niaura G, Makuška R. Diblock Copolymers of Methacryloyloxyethyl Phosphorylcholine and Dopamine Methacrylamide: Synthesis and Real-Time Adsorption Dynamics by SEIRAS and RAIRS. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2024; 40:5945-5958. [PMID: 38456424 PMCID: PMC10956495 DOI: 10.1021/acs.langmuir.3c03925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 02/18/2024] [Accepted: 02/23/2024] [Indexed: 03/09/2024]
Abstract
Amphiphilic diblock copolymers containing a block of 2-methacryloyloxyethyl phosphorylcholine (MPC) with unique properties to prevent nonspecific protein adsorption and enhance lubrication in aqueous media and a block of dopamine methacrylamide (DOPMA) distinguished by excellent adhesion performance were synthesized by reversible addition fragmentation chain transfer (RAFT) polymerization for the first time. The DOPMA monomer with an acetonide-protected catechol group (acetonide-protected dopamine methacrylamide (ADOPMA)) was used, allowing the prevention of undesirable side reactions during polymerization and oxidation during storage. The adsorption behavior of the diblock copolymers with protected and unprotected catechol groups on gold surfaces was probed using attenuated total reflection (ATR)-Fourier transform infrared (FTIR) spectroscopy, surface-enhanced infrared absorption spectroscopy (SEIRAS), and reflection-absorption infrared spectroscopy (RAIRS). The copolymers pMPC-b-pADOPMA demonstrated physisorption with rapid adsorption and ultrasound-assisted desorption, while the copolymers pMPC-b-DOPMA exhibited chemical adsorption with slower dynamics but a stronger interaction with the gold surface. SEIRAS and RAIRS allowed proving the reorientation of the diblock copolymers during adsorption, demonstrating the exposure of the pMPC block toward the aqueous phase.
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Affiliation(s)
- Marijus Jurku̅nas
- Institute
of Chemistry, Vilnius University, Naugarduko Str. 24, 03225 Vilnius, Lithuania
| | - Martynas Talaikis
- Department
of Organic Chemistry, Center for Physical
Sciences and Technology (FTMC), Sauletekio Ave. 3, 10257 Vilnius, Lithuania
| | - Vaidas Klimkevičius
- Institute
of Chemistry, Vilnius University, Naugarduko Str. 24, 03225 Vilnius, Lithuania
| | - Vaidas Pudžaitis
- Department
of Organic Chemistry, Center for Physical
Sciences and Technology (FTMC), Sauletekio Ave. 3, 10257 Vilnius, Lithuania
| | - Gediminas Niaura
- Department
of Organic Chemistry, Center for Physical
Sciences and Technology (FTMC), Sauletekio Ave. 3, 10257 Vilnius, Lithuania
| | - Ričardas Makuška
- Institute
of Chemistry, Vilnius University, Naugarduko Str. 24, 03225 Vilnius, Lithuania
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Yadav VK, Amari A, Mahdhi N, Elkhaleefa AM, Fulekar MH, Patel A. A novel and economical approach for the synthesis of short rod-shaped mesoporous silica nanoparticles from coal fly ash waste by Bacillus circulans MTCC 6811. World J Microbiol Biotechnol 2023; 39:289. [PMID: 37640981 DOI: 10.1007/s11274-023-03734-w] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2023] [Accepted: 08/17/2023] [Indexed: 08/31/2023]
Abstract
Coal fly ash (CFA) is an industrial byproduct produced during the production of electricity in thermal power plants from the burning of pulverized coal. It is considered hazardous due to the presence of toxic heavy metals while it is also considered valuable due to the presence of value-added minerals like silicates, alumina, and iron oxides. Silica nanoparticles' demands and application have increased drastically in the last decade due to their mesoporous nature, high surface area to volume ratio, etc. Here in the present research work, short rod-shaped, mesoporous silica nanoparticles (MSN) have been synthesized from coal fly ash by using Bacillus circulans MTCC 6811 in two steps. Firstly, CFA was kept with the bacterial culture for bioleaching for 25 days in an incubator shaker at 120 rpm. Secondly, the dissolved silica in the medium was precipitated with the 4 M sodium hydroxide to obtain a short rod-shaped MSN. The purification of the synthesized silica particle was done by treating them with 1 M HCl at 120 °C, for 90 min. The synthesized short rod-shaped MSN were characterized by UV-vis spectroscopy (UV-Vis), Fourier transform infrared spectroscopy (FTIR), X-ray diffraction (XRD), Particle size analyzer (PSA), Field emission scanning electron microscopy (FESEM), and transmission electron microscope. The microscopic techniques revealed the short rod-shaped mesoporous silica nanoparticles (MSN) for the final nano-silica, whose size varies from 40 to 80 nm, with an average size of 36 ± 5 nm. The XRD shows the crystalline nature of the synthesized MSN having a crystallite size of 36 nm. The FTIR showed the three characteristic bands in the range of 400-1100 cm-1, indicating the purity of the sample. The energy dispersive X-ray (EDX) showed 53.04 wt% oxygen and 43.42% Si along with 3.54% carbon in the final MSN. The particle size analyzer revealed that the average particle size is 368.7 nm in radius and the polydispersity index (PDI) is 0.667. Such a novel and economical approach could be helpful in the synthesis of silica in high yield with high purity from coal fly ash and other similar waste.
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Affiliation(s)
- Virendra Kumar Yadav
- School of Nanosciences, Central University of Gujarat, Gandhinagar, Gujarat, 382030, India.
- Department of Life Sciences, Hemchandracharya North Gujarat University, Patan, Gujarat, 384265, India.
| | - Abdelfattah Amari
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha, 61411, Kingdom of Saudi Arabia
| | - Noureddine Mahdhi
- Laboratory Materials Organizations and Properties, Tunis El Manar University, 2092, Tunis, Tunisia
| | - Abubakr M Elkhaleefa
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha, 61411, Kingdom of Saudi Arabia
| | - M H Fulekar
- Centre of Research for Development, Parul University, Wagodia, Vadodara, Gujarat, 391760, India
| | - Ashish Patel
- Department of Life Sciences, Hemchandracharya North Gujarat University, Patan, Gujarat, 384265, India
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Padilla-Godínez FJ, Ruiz-Ortega LI, Guerra-Crespo M. Nanomedicine in the Face of Parkinson's Disease: From Drug Delivery Systems to Nanozymes. Cells 2022; 11:3445. [PMID: 36359841 PMCID: PMC9657131 DOI: 10.3390/cells11213445] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Revised: 10/18/2022] [Accepted: 10/26/2022] [Indexed: 01/02/2024] Open
Abstract
The complexity and overall burden of Parkinson's disease (PD) require new pharmacological approaches to counteract the symptomatology while reducing the progressive neurodegeneration of affected dopaminergic neurons. Since the pathophysiological signature of PD is characterized by the loss of physiological levels of dopamine (DA) and the misfolding and aggregation of the alpha-synuclein (α-syn) protein, new proposals seek to restore the lost DA and inhibit the progressive damage derived from pathological α-syn and its impact in terms of oxidative stress. In this line, nanomedicine (the medical application of nanotechnology) has achieved significant advances in the development of nanocarriers capable of transporting and delivering basal state DA in a controlled manner in the tissues of interest, as well as highly selective catalytic nanostructures with enzyme-like properties for the elimination of reactive oxygen species (responsible for oxidative stress) and the proteolysis of misfolded proteins. Although some of these proposals remain in their early stages, the deepening of our knowledge concerning the pathological processes of PD and the advances in nanomedicine could endow for the development of potential treatments for this still incurable condition. Therefore, in this paper, we offer: (i) a brief summary of the most recent findings concerning the physiology of motor regulation and (ii) the molecular neuropathological processes associated with PD, together with (iii) a recapitulation of the current progress in controlled DA release by nanocarriers and (iv) the design of nanozymes, catalytic nanostructures with oxidoreductase-, chaperon, and protease-like properties. Finally, we conclude by describing the prospects and knowledge gaps to overcome and consider as research into nanotherapies for PD continues, especially when clinical translations take place.
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Affiliation(s)
- Francisco J. Padilla-Godínez
- Neurosciences Division, Cell Physiology Institute, National Autonomous University of Mexico, Coyoacan, Mexico City 04510, Mexico
- Regenerative Medicine Laboratory, Department of Physiology, Faculty of Medicine, National Autonomous University of Mexico, Coyoacan, Mexico City 04510, Mexico
| | - Leonardo I. Ruiz-Ortega
- Institute for Physical Sciences, National Autonomous University of Mexico, Cuernavaca 62210, Mexico
- Department of Biological Sciences, Columbia University, New York, NY 10027, USA
| | - Magdalena Guerra-Crespo
- Neurosciences Division, Cell Physiology Institute, National Autonomous University of Mexico, Coyoacan, Mexico City 04510, Mexico
- Regenerative Medicine Laboratory, Department of Physiology, Faculty of Medicine, National Autonomous University of Mexico, Coyoacan, Mexico City 04510, Mexico
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Fan S, Lam Y, He L, Xin J. Synthesis and photochromism of catechol-containing symmetrical azobenzene compounds. ROYAL SOCIETY OPEN SCIENCE 2022; 9:211894. [PMID: 35706672 PMCID: PMC9174713 DOI: 10.1098/rsos.211894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/06/2021] [Accepted: 05/09/2022] [Indexed: 05/03/2023]
Abstract
Symmetrical azobenzene derivatives with two catechol groups, 1d-4d, were synthesized as kinds of novel compounds, and the structures were confirmed using mass spectrometry and nuclear magnetic resonance spectroscopy. These compounds could attain photostationary state rapidly in solution upon UV irradiation, and their photochromism had good reversibility. Substituents and their positions on azobenzene chromophore had obvious influence on the maximum absorption and photochromic performances of these as-synthesized compounds. Electron-donating group on ortho positions could contribute to the redshift π-π* band. The sulfonamide group that is bonded to dopamine molecules and azobenzene rings caused a negligible n-π* transition of cis isomer, resulting in photobleaching upon UV irradiation. Among the four compounds, 4d had the strongest electron-donating ortho-methoxy substituents and lower planarity; thus its absorption could decrease more significantly upon UV irradiation of the same intensity, and its cis-to-trans conversion could be up to 63%. Furthermore, owing to the presence of catechol groups, 4d showed an effective affinity and adhesion to substrate, and on the surface of substrate, a weak colour change could be observed upon UV irradiation, but the reversibility was poorer than that in solution.
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Affiliation(s)
- Suju Fan
- Institute of Textiles & Clothing, The Hong Kong Polytechnic University, Hong Kong
- Shenzhen Research Institute, The Hong Kong Polytechnic University, Shenzhen, Hong Kong
| | - Yintung Lam
- Institute of Textiles & Clothing, The Hong Kong Polytechnic University, Hong Kong
- Shenzhen Research Institute, The Hong Kong Polytechnic University, Shenzhen, Hong Kong
| | - Liang He
- Institute of Textiles & Clothing, The Hong Kong Polytechnic University, Hong Kong
- Shenzhen Research Institute, The Hong Kong Polytechnic University, Shenzhen, Hong Kong
| | - John H. Xin
- Institute of Textiles & Clothing, The Hong Kong Polytechnic University, Hong Kong
- Shenzhen Research Institute, The Hong Kong Polytechnic University, Shenzhen, Hong Kong
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De D, Upadhyay P, Das A, Ghosh A, Adhikary A, Goswami MM. Studies on cancer cell death through delivery of dopamine as anti-cancer drug by a newly functionalized cobalt ferrite nano-carrier. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.127202] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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Chellasamy G, Ankireddy SR, Lee KN, Govindaraju S, Yun K. Smartphone-integrated colorimetric sensor array-based reader system and fluorometric detection of dopamine in male and female geriatric plasma by bluish-green fluorescent carbon quantum dots. Mater Today Bio 2021; 12:100168. [PMID: 34877521 PMCID: PMC8628042 DOI: 10.1016/j.mtbio.2021.100168] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2021] [Revised: 11/22/2021] [Accepted: 11/23/2021] [Indexed: 12/04/2022] Open
Abstract
A simple, cost-effective system was developed for dopamine (DA) detection using green synthesized 1-6 nm honey-based carbon quantum dots (H-CQDs) exhibiting bluish green fluorescence. The H-CQDs exhibited emission at 445 nm, with a quantum yield of ∼44%. The H-CQDs were used as a probe for electron transfer based DA detection and changes in H-CQD color in the presence of DA. The H-CQDs were formed with polar functional groups and were highly soluble in aqueous media. In the fluorometric mode, the proposed system demonstrated high specificity toward DA and effective limit of detection (LOD) values of 6, 8.5, and 8 nM in deionized (DI) water, male geriatric plasma, and female geriatric plasma, respectively, in the linear range 100 nM-1000 μM. In the colorimetric mode, the color changed within 5 min, and the LOD was 163 μM. A colorimetric sensor array system was used to precisely detect DA with a smartphone-integrated platform using an in house built imaging application and an analyzer app. Additionally, no additives were required, and the H-CQDs were not functionalized. More importantly, the H-CQDs were morphologically and analytically characterized before and after DA detection. Because the sensor array-based system allows high specificity DA detection in both DI water and geriatric plasma, it will play an important role in biomedical applications.
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Affiliation(s)
- Gayathri Chellasamy
- Department of Bionanotechnology, Gachon University, Gyeonggi-do, 13120, Republic of Korea
| | - Seshadri Reddy Ankireddy
- Department of Chemical Sciences, Dr. Buddolla's Institute of Life Sciences, Tirupathi, 517503, India
| | - Kook-Nyung Lee
- IVD Device Research Institute, Wizbiosolutions, Inc., Gyeonggi-do, 13209, Republic of Korea
| | - Saravanan Govindaraju
- Department of Bionanotechnology, Gachon University, Gyeonggi-do, 13120, Republic of Korea
| | - Kyusik Yun
- Department of Bionanotechnology, Gachon University, Gyeonggi-do, 13120, Republic of Korea
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Biancolillo A, Battistoni S, Presutto R, Marini F. Green Multi-Platform Solution for the Quantification of Levodopa Enantiomeric Excess in Solid-State Mixtures for Pharmacological Formulations. Molecules 2021; 26:molecules26164944. [PMID: 34443532 PMCID: PMC8398775 DOI: 10.3390/molecules26164944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Revised: 08/07/2021] [Accepted: 08/13/2021] [Indexed: 11/25/2022] Open
Abstract
The aim of the present work was to develop a green multi-platform methodology for the quantification of l-DOPA in solid-state mixtures by means of MIR and NIR spectroscopy. In order to achieve this goal, 33 mixtures of racemic and pure l-DOPA were prepared and analyzed. Once spectra were collected, partial least squares (PLS) was exploited to individually model the two different data blocks. Additionally, three different multi-block approaches (mid-level data fusion, sequential and orthogonalized partial least squares, and sequential and orthogonalized covariance selection) were used in order to simultaneously handle data from the different platforms. The outcome of the chemometric analysis highlighted the quantification of the enantiomeric excess of l-DOPA in enantiomeric mixtures in the solid state, which was possible by coupling NIR and PLS, and, to a lesser extent, by using MIR. The multi-platform approach provided a higher accuracy than the individual block analysis, indicating that the association of MIR and NIR spectral data, especially by means of SO-PLS, represents a valid solution for the quantification of the l-DOPA excess in enantiomeric mixtures.
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Affiliation(s)
- Alessandra Biancolillo
- Department of Physical and Chemical Sciences, University of L’Aquila, Via Vetoio, 67100 L’Aquila, Italy
- Correspondence: (A.B.); (F.M.)
| | - Stefano Battistoni
- Department of Chemistry, University of Rome “La Sapienza”, Piazzale Aldo Moro 5, 00185 Rome, Italy; (S.B.); (R.P.)
| | - Regina Presutto
- Department of Chemistry, University of Rome “La Sapienza”, Piazzale Aldo Moro 5, 00185 Rome, Italy; (S.B.); (R.P.)
| | - Federico Marini
- Department of Chemistry, University of Rome “La Sapienza”, Piazzale Aldo Moro 5, 00185 Rome, Italy; (S.B.); (R.P.)
- Correspondence: (A.B.); (F.M.)
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Deposition of low-density thick silica films from burning sol-gel derived alcogels. Heliyon 2021; 7:e07675. [PMID: 34381910 PMCID: PMC8340126 DOI: 10.1016/j.heliyon.2021.e07675] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Revised: 05/23/2021] [Accepted: 07/26/2021] [Indexed: 11/22/2022] Open
Abstract
In the current study we show that the combustion of sol-gel derived alcogels with specifically tailored composition leads to the release of silica nanoparticles from the burning alcogel in a controlled manner which enables direct deposition of the released nanoparticles into low-density silica thick films. The process has some similarities to flame spray pyrolysis but requires no aerosol generator or other sophisticated instrumental setup. By the proper choice of catalysts and mixture of silicon alkoxides for the synthesis of the alcogel, preferential hydrolysis and polycondensation of one of the alkoxides is achieved. This leads to the formation of an alcogel with volatile silica precursor trapped in the gel pores. Resulting alcogels were burned to deposit uniform porous silica films with density of ~0.1 g/cm3 and primary particle size of ~10 nm. Demonstrated method yields silanol-free silica directly, without additional treatment steps and enables straightforward control over the deposition rate and coarseness of the layer by simple adjustment of the composition of the silica alcogel. The maximum layer thickness is limited only by the deposition time (in the current work up to 134 μm). Such technique of porous oxide film preparation could potentially be extended to the preparation of porous films from other oxides by using respective metal alkoxides as precursors.
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Design and synthesis of a novel nanocomposite based on magnetic dopamine nanoparticles for purification of α-amylase from the bovine milk. Sci Rep 2021; 11:13428. [PMID: 34183749 PMCID: PMC8239001 DOI: 10.1038/s41598-021-92919-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 06/17/2021] [Indexed: 02/06/2023] Open
Abstract
In this paper, a novel nanocomposite based on magnetic nanoparticles decorated by dopamine were reported. Three modified magnetic nanocomposites by dopamine were offered with different type of linkers. The mentioned magnetic nanocomposites were applied to separate α-amylase protein from fresh bovine milk. All of the magnetic nanocomposites were characterized and investigated by using Fourier-transform infrared spectroscopy, energy-dispersive X-ray spectroscopy, field-emission scanning microscope, X-ray diffraction pattern, and vibrating-sample magnetometer analyses. To investigate the purifying application, sodium dodecyl sulfate polyacrylamide gel electrophoresis, one-dimensional isoelectric focusing gel electrophoresis, and alpha-amylase activity assay were employed. With paying attention to factors such as yield of purification and concentration of separated protein by each of magnetic nanocomposite, it could be concluded that the length of linkers played an important role in α-amylase protein separation. According to the results, the best separation and purification of α-amylase protein with 49.83% recovery and 40.11-fold purification efficiency was related to longest length linker, 1,4-butanediol diglycidyl ether, because of considerable conjugation with nanocomposite. Also, docking calculation has shown that the binding energy is - 1.697 kcal/mol and ΔG = - 6.844 kcal/mol which result that the interaction process between dopamine and α-amylase protein is spontaneous.
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Patel P, Pol A, Kalaria D, Date AA, Kalia Y, Patravale V. Microemulsion-based gel for the transdermal delivery of rasagiline mesylate: In vitro and in vivo assessment for Parkinson's therapy. Eur J Pharm Biopharm 2021; 165:66-74. [PMID: 33971272 DOI: 10.1016/j.ejpb.2021.04.026] [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: 09/29/2020] [Revised: 04/06/2021] [Accepted: 04/16/2021] [Indexed: 01/04/2023]
Abstract
Rasagiline mesylate (RSM) is a selective and irreversible monoamine oxidase B inhibitor used for the treatment of Parkinson's disease (PD). However, its unfavorable biopharmaceutical properties, such as extensive degradation in the gastrointestinal tract and first-pass metabolism are responsible for its low oral bioavailability and suboptimal therapeutic efficacy. Here, we report the feasibility of delivering RSM via the transdermal route using RSM containing microemulsion-based gel (RSM-MEG) to achieve effective management of PD. Our in vitro skin permeation studies of RSM-MEG showed significantly higher (at least ~1.5-fold) permeation across rat skin compared to the conventional RSM hydrogel. Our skin irritation studies in rabbits showed that RSM-MEG is safe for transdermal application. Finally, using the rat model of rotenone-induced Parkinsonism, we demonstrated that the topical application of RSM-MEG was equally effective in reversing PD symptoms when compared to oral RSM therapy. Thus, our study confirmed the feasibility and potential of transdermal delivery of RSM via simple topical application of RSM-MEG, and this approach could be an alternative therapeutic intervention for the treatment of Parkinson's disease.
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Affiliation(s)
- Pratikkumar Patel
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Matunga, Mumbai 400019, Maharashtra, India; Department of Chemical Sciences, Bernal Institute, University of Limerick, Limerick, Ireland
| | - Anuradha Pol
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Matunga, Mumbai 400019, Maharashtra, India; R&D, Loreal R&D, Mumbai, India
| | - Dhaval Kalaria
- AstraZeneca Pharmaceutical Science, Charter Way, Macclesfield SK10 2NA, UK
| | - Abhijit A Date
- Department of Pharmaceutical Sciences, Daniel K. Inouye College of Pharmacy, University of Hawaii at Hilo, Hawaii, USA
| | - Yogeshvar Kalia
- School of Pharmaceutical Sciences, University of Geneva, CMU - 1 rue Michel Servet, 1211 Geneva, Switzerland; Institute of Pharmaceutical Sciences of Western Switzerland, University of Geneva, CMU - 1 rue Michel Servet, 1211 Geneva, Switzerland
| | - Vandana Patravale
- Department of Pharmaceutical Sciences and Technology, Institute of Chemical Technology, Matunga, Mumbai 400019, Maharashtra, India.
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Lee SW, Jung HG, Kim I, Lee D, Kim W, Kim SH, Lee JH, Park J, Lee JH, Lee G, Yoon DS. Highly Conductive and Flexible Dopamine-Graphene Hybrid Electronic Textile Yarn for Sensitive and Selective NO 2 Detection. ACS APPLIED MATERIALS & INTERFACES 2020; 12:46629-46638. [PMID: 32914616 DOI: 10.1021/acsami.0c11435] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Graphene-based electronic textile (e-textile) gas sensors have been developed for detecting hazardous NO2 gas. For the e-textile gas sensor, electrical conductivity is a critical factor because it directly affects its sensitivity. To obtain a highly conductive e-textile, biomolecules have been used for gluing the graphene to the textile surface, though there remain areas to improve, such as poor conductivity and flexibility. Herein, we have developed a dopamine-graphene hybrid electronic textile yarn (DGY) where the dopamine is used as a bio-inspired adhesive to attach graphene to the surface of yarns. The DGY shows improved electrical conductivity (∼40 times) compared to conventional graphene-based e-textile yarns with no glue. Moreover, it exhibited improved sensing performance in terms of short response time (∼2 min), high sensitivity (0.02 μA/ppm), and selectivity toward NO2. The mechanical flexibility and durability of the DGY were examined through a 1000-cycle bending test. For a practical application, the DGY was attempted to detect the NOx emitted from vehicles, including gasoline, diesel, and fuel cell electric vehicles. Our results demonstrated that the DGYs-as a graphene-based e-textile gas sensor for detecting NO2-are simple to fabricate, cheap, disposable, and mechanically stable.
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Affiliation(s)
- Sang Won Lee
- School of Biomedical Engineering, Korea University, Seoul 02841, South Korea
| | - Hyo Gi Jung
- School of Biomedical Engineering, Korea University, Seoul 02841, South Korea
| | - Insu Kim
- School of Biomedical Engineering, Korea University, Seoul 02841, South Korea
| | - Dongtak Lee
- School of Biomedical Engineering, Korea University, Seoul 02841, South Korea
| | - Woong Kim
- Department of Control and Instrumentation Engineering, Korea University, Sejong 30019, South Korea
| | - Sang Hun Kim
- Department of Materials Science and Engineering, Korea University, Seoul 02841, South Korea
| | - Jong-Heun Lee
- Department of Materials Science and Engineering, Korea University, Seoul 02841, South Korea
| | - Jinsung Park
- Department of Control and Instrumentation Engineering, Korea University, Sejong 30019, South Korea
| | - Jeong Hoon Lee
- Department of Electrical Engineering, Kwangwoon University, Seoul 01897, Republic of Korea
| | - Gyudo Lee
- Department of Biotechnology and Bioinformatics, Korea University, Sejong 30019, South Korea
| | - Dae Sung Yoon
- School of Biomedical Engineering, Korea University, Seoul 02841, South Korea
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Nouri Z, Hajialyani M, Izadi Z, Bahramsoltani R, Farzaei MH, Abdollahi M. Nanophytomedicines for the Prevention of Metabolic Syndrome: A Pharmacological and Biopharmaceutical Review. Front Bioeng Biotechnol 2020; 8:425. [PMID: 32478050 PMCID: PMC7240035 DOI: 10.3389/fbioe.2020.00425] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 04/14/2020] [Indexed: 12/11/2022] Open
Abstract
Metabolic syndrome includes a series of metabolic abnormalities that leads to diabetes mellitus and cardiovascular diseases. Plant extracts, due to their unique advantages like anti-inflammatory, antioxidant, and insulin sensitizing properties, are interesting therapeutic options to manage MetS; however, the poor solubility and low bioavailability of lipophilic bioactive components in the herbal extracts are two critical challenges. Nano-scale delivery systems are suitable to improve delivery of herbal extracts. This review, for the first time, focuses on nanoformulations of herbal extracts in MetS and related complications. Included studies showed that several forms of nano drug delivery systems such as nanoemulsions, solid lipid nanoparticles, nanobiocomposites, and green-synthesized silver, gold, and zinc oxide nanoparticles have been developed using herbal extracts. It was shown that the method of preparation and related parameters such as temperature and type of polymer are important factors affecting physicochemical stability and therapeutic activity of the final product. Many of these formulations could successfully decrease the lipid profile, inflammation, oxidative damage, and insulin resistance in in vitro and in vivo models of MetS-related complications. Further studies are still needed to confirm the safety and efficacy of these novel herbal formulations for clinical application.
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Affiliation(s)
- Zeinab Nouri
- Students Research Committee, Faculty of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Marziyeh Hajialyani
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Zhila Izadi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Roodabeh Bahramsoltani
- Department of Traditional Pharmacy, School of Persian Medicine, Tehran University of Medical Sciences, Tehran, Iran
- PhytoPharmacology Interest Group, Universal Scientific Education and Research Network, Tehran, Iran
| | - Mohammad Hosein Farzaei
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohammad Abdollahi
- Toxicology and Diseases Group, Pharmaceutical Sciences Research Center, The Institute of Pharmaceutical Sciences, Tehran University of Medical Sciences, Tehran, Iran
- Department of Toxicology and Pharmacology, School of Pharmacy, Tehran University of Medical Sciences, Tehran, Iran
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Hönes R, Lee Y, Urata C, Lee H, Hozumi A. Antiadhesive Properties of Oil-Infused Gels against the Universal Adhesiveness of Polydopamine. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:4496-4502. [PMID: 32264680 DOI: 10.1021/acs.langmuir.0c00062] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Polydopamine (PDA) is well-known as the first material-independent adhesive, which firmly attaches to various substances, even hydrophobic materials, through strong coordinative interactions between the phenolic hydroxyl groups of PDA and the substances. In contrast, oil-infused materials such as self-lubricating gels (SLUGs) exhibit excellent antiadhesive properties against viscous liquids, ice/snow, (bio)fouling, and so on. In this study, we simply questioned: "What will happen when these two materials with contrary nature meet"? To answer this, we formed a PDA layer on a SLUG surface that exhibits thermoresponsive syneretic properties (release of liquid from the gel matrix to the outer surface) and investigated its interfacial behavior. The oil layer caused by syneresis from the SLUGs at -20 °C was found to show resistance to adhesion of universally adhesive PDA.
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Affiliation(s)
- Roland Hönes
- National Institute of Advanced Industrial Science and Technology (AIST), 2266-98, Anagahora, Shimo-shidami, Moriyama-ku, Nagoya 463-8560, Japan
| | - Yunhan Lee
- Korea Advanced Institute of Science and Technology (KAIST), 291 University Rd, Daejeon 305-701, Republic of Korea
| | - Chihiro Urata
- National Institute of Advanced Industrial Science and Technology (AIST), 2266-98, Anagahora, Shimo-shidami, Moriyama-ku, Nagoya 463-8560, Japan
| | - Haeshin Lee
- Korea Advanced Institute of Science and Technology (KAIST), 291 University Rd, Daejeon 305-701, Republic of Korea
| | - Atsushi Hozumi
- National Institute of Advanced Industrial Science and Technology (AIST), 2266-98, Anagahora, Shimo-shidami, Moriyama-ku, Nagoya 463-8560, Japan
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Rubira RJG, Camacho SA, Martin CS, Mejía-Salazar JR, Reyes Gómez F, da Silva RR, de Oliveira Junior ON, Alessio P, Constantino CJL. Designing Silver Nanoparticles for Detecting Levodopa (3,4-Dihydroxyphenylalanine, L-Dopa) Using Surface-Enhanced Raman Scattering (SERS). SENSORS (BASEL, SWITZERLAND) 2019; 20:E15. [PMID: 31861443 PMCID: PMC6982777 DOI: 10.3390/s20010015] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/15/2019] [Revised: 12/06/2019] [Accepted: 12/10/2019] [Indexed: 01/05/2023]
Abstract
Detection of the drug Levodopa (3,4-dihydroxyphenylalanine, L-Dopa) is essential for the medical treatment of several neural disorders, including Parkinson's disease. In this paper, we employed surface-enhanced Raman scattering (SERS) with three shapes of silver nanoparticles (nanostars, AgNS; nanospheres, AgNP; and nanoplates, AgNPL) to detect L-Dopa in the nanoparticle dispersions. The sensitivity of the L-Dopa SERS signal depended on both nanoparticle shape and L-Dopa concentration. The adsorption mechanisms of L-Dopa on the nanoparticles inferred from a detailed analysis of the Raman spectra allowed us to determine the chemical groups involved. For instance, at concentrations below/equivalent to the limit found in human plasma (between 10-7-10-8 mol/L), L-Dopa adsorbs on AgNP through its ring, while at 10-5-10-6 mol/L adsorption is driven by the amino group. At even higher concentrations, above 10-4 mol/L, L-Dopa polymerization predominates. Therefore, our results show that adsorption depends on both the type of Ag nanoparticles (shape and chemical groups surrounding the Ag surface) and the L-Dopa concentration. The overall strategy based on SERS is a step forward to the design of nanostructures to detect analytes of clinical interest with high specificity and at varied concentration ranges.
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Affiliation(s)
- Rafael Jesus Gonçalves Rubira
- School of Technology and Applied Sciences, São Paulo State University (UNESP), Presidente Prudente 19060-900 SP, Brazil; (C.S.M.); (P.A.); (C.J.L.C.)
| | - Sabrina Alessio Camacho
- School of Sciences, Humanities and Languages, São Paulo State University (UNESP), Assis 19806-900 SP, Brazil;
| | - Cibely Silva Martin
- School of Technology and Applied Sciences, São Paulo State University (UNESP), Presidente Prudente 19060-900 SP, Brazil; (C.S.M.); (P.A.); (C.J.L.C.)
| | | | - Faustino Reyes Gómez
- São Carlos Institute of Physics, University of São Paulo (USP), P.O. Box 369, São Carlos 13560-970 SP, Brazil; (F.R.G.); (R.R.d.S.)
| | - Robson Rosa da Silva
- São Carlos Institute of Physics, University of São Paulo (USP), P.O. Box 369, São Carlos 13560-970 SP, Brazil; (F.R.G.); (R.R.d.S.)
| | | | - Priscila Alessio
- School of Technology and Applied Sciences, São Paulo State University (UNESP), Presidente Prudente 19060-900 SP, Brazil; (C.S.M.); (P.A.); (C.J.L.C.)
| | - Carlos José Leopoldo Constantino
- School of Technology and Applied Sciences, São Paulo State University (UNESP), Presidente Prudente 19060-900 SP, Brazil; (C.S.M.); (P.A.); (C.J.L.C.)
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Singh AP, Biswas A, Shukla A, Maiti P. Targeted therapy in chronic diseases using nanomaterial-based drug delivery vehicles. Signal Transduct Target Ther 2019; 4:33. [PMID: 31637012 PMCID: PMC6799838 DOI: 10.1038/s41392-019-0068-3] [Citation(s) in RCA: 242] [Impact Index Per Article: 48.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2019] [Revised: 08/01/2019] [Accepted: 08/01/2019] [Indexed: 02/07/2023] Open
Abstract
The application of nanomedicines is increasing rapidly with the promise of targeted and efficient drug delivery. Nanomedicines address the shortcomings of conventional therapy, as evidenced by several preclinical and clinical investigations indicating site-specific drug delivery, reduced side effects, and better treatment outcome. The development of suitable and biocompatible drug delivery vehicles is a prerequisite that has been successfully achieved by using simple and functionalized liposomes, nanoparticles, hydrogels, micelles, dendrimers, and mesoporous particles. A variety of drug delivery vehicles have been established for the targeted and controlled delivery of therapeutic agents in a wide range of chronic diseases, such as diabetes, cancer, atherosclerosis, myocardial ischemia, asthma, pulmonary tuberculosis, Parkinson's disease, and Alzheimer's disease. After successful outcomes in preclinical and clinical trials, many of these drugs have been marketed for human use, such as Abraxane®, Caelyx®, Mepact®, Myocet®, Emend®, and Rapamune®. Apart from drugs/compounds, novel therapeutic agents, such as peptides, nucleic acids (DNA and RNA), and genes have also shown potential to be used as nanomedicines for the treatment of several chronic ailments. However, a large number of extensive clinical trials are still needed to ensure the short-term and long-term effects of nanomedicines in humans. This review discusses the advantages of various drug delivery vehicles for better understanding of their utility in terms of current medical needs. Furthermore, the application of a wide range of nanomedicines is also described in the context of major chronic diseases.
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Affiliation(s)
- Akhand Pratap Singh
- School of Materials Science and Technology, Indian Institute of Technology (BHU), Varanasi, 221005 India
| | - Arpan Biswas
- School of Materials Science and Technology, Indian Institute of Technology (BHU), Varanasi, 221005 India
| | - Aparna Shukla
- School of Materials Science and Technology, Indian Institute of Technology (BHU), Varanasi, 221005 India
| | - Pralay Maiti
- School of Materials Science and Technology, Indian Institute of Technology (BHU), Varanasi, 221005 India
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Lafuente JV, Requejo C, Ugedo L. Nanodelivery of therapeutic agents in Parkinson's disease. PROGRESS IN BRAIN RESEARCH 2019; 245:263-279. [PMID: 30961870 DOI: 10.1016/bs.pbr.2019.03.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Parkinson's disease (PD) as a motor disorder is pathologically featured by the loss of dopaminergic neurons of the substantia nigra compacta (SNc) and the consequent depletion of dopamine in the striatum. However, motor signs are detectable when the loss of dopaminergic striatal terminals exceeds to the dopaminergic neuronal degeneration in SN. Hence, recent evidences about the topological organization of the nigrostriatal system could provide novel insights about the progression of the neurodegenerative process as well as the correct application of the novel therapeutic strategies. Though dopaminergic drugs and different routes of administration have been proposed to treat PD, most of the effects are symptomatic with temporary effects resorting to invasive procedures to ameliorate the side effects. Since the blood-brain barrier (BBB) is the main obstacle for most of molecules to access to the brain, ongoing research is focused on halting the progression of PD through the use of those technologies that allow the effective delivery and diffusion of therapeutic molecules to the central nervous system for bypassing BBB and avoiding the side effects. In this context, nanotechnology is emerging as a promising tool for drug delivery. In fact, nanodelivery of restorative treatments in PD, such as gene therapy increased the effectiveness of neurotrophic factors for restoring the dopamine deficit and improving motor deficit in rodent models. Therefore, the present review is focused on the description and identification of the available nanotherapies developed in experimental models of PD which could suppose an important advance for controlled delivery of nanobioactive components into the brain and one more step for the clinical projection.
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Affiliation(s)
- José Vicente Lafuente
- LaNCE, Department of Neuroscience, University of the Basque Country (UPV/EHU), Leioa, Spain.
| | - Catalina Requejo
- Department of Neurology, The Friedman Brain Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Luisa Ugedo
- Neuropharmacology Group, University of the Basque Country (UPV-EHU), Leioa, Spain
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Kaushik A, Jayant RD, Bhardwaj V, Nair M. Personalized nanomedicine for CNS diseases. Drug Discov Today 2018; 23:1007-1015. [PMID: 29155026 PMCID: PMC6897362 DOI: 10.1016/j.drudis.2017.11.010] [Citation(s) in RCA: 57] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 10/30/2017] [Accepted: 11/13/2017] [Indexed: 12/17/2022]
Abstract
Central nervous system (CNS) diseases are rapidly increasing globally. Currently used therapeutic agents to treat CNS diseases exhibit significant efficacy. However, the inability of these drugs to cross the blood-brain barrier (BBB) and invasiveness of the technologies to achieve localized drug delivery in disease-specific parts of the brain have thwarted pain-free and complete treatment of CNS diseases. Therefore, the safe, non-invasive, and targeted delivery of drugs to the brain using nanoparticles (NPs) is currently receiving considerable research attention. Here, we highlight advances in state-of-the-art personalized nanomedicine for the treatment of CNS diseases (with a focus on dementia), the related challenges, possible solutions, and prospects for nano-enabled personalized medicine.
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Affiliation(s)
- Ajeet Kaushik
- Center for Personalized Nanomedicine, Institute of Neuro-Immune Pharmacology, Department of Immunology, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
| | - Rahul Dev Jayant
- Center for Personalized Nanomedicine, Institute of Neuro-Immune Pharmacology, Department of Immunology, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA
| | - Vinay Bhardwaj
- Department of Biomedical Engineering, Rutgers, The State University of New Jersey, Piscataway, NJ, USA
| | - Madhavan Nair
- Center for Personalized Nanomedicine, Institute of Neuro-Immune Pharmacology, Department of Immunology, Herbert Wertheim College of Medicine, Florida International University, Miami, FL, USA.
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18
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Huang WC, Ali F, Zhao J, Rhee K, Mou C, Bettinger CJ. Ultrasound-Mediated Self-Healing Hydrogels Based on Tunable Metal-Organic Bonding. Biomacromolecules 2017; 18:1162-1171. [PMID: 28245355 DOI: 10.1021/acs.biomac.6b01841] [Citation(s) in RCA: 61] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Stimulus-responsive hydrogels make up an important class of programmable materials for a wide range of biomedical applications. Ultrasound (US) is a stimulus that offers utility because of its ability to permeate tissue and rapidly induce chemical alterations in aqueous media. Here we report on the synthesis and US-mediated disintegration of stimulus-responsive telechelic Dopa-modified polyethylene glycol-based hydrogels. Fe3+-[PEG-Dopa]4 hydrogels are formed through Fe3+-induced cross-linking of four-arm polyethylene glycol-dopamine precursors to produce networks. The relative amounts of H-bonds, coordination bonds, and covalent bonds can be controlled by the [Fe3+]:[Dopa] molar ratio in precursor solutions. Networks formed from precursors with high [Fe3+]:[Dopa] ratios create mechanically robust networks (G' = 6880 ± 240 Pa) that are largely impervious to US-mediated disintegration at intensities of ≤43 W/cm2. Conversely, lightly cross-linked networks formed through [Fe3+]:[Dopa] molar ratios of <0.73 are susceptible to rapid disintegration upon exposure to US. Pulsatile US exposure allows temporal control over hydrogel disintegration and programmable self-healing. Sustained US energy can also stabilize hydrogels through the formation of additional cross-links via free radical-mediated coupling of pendant catechols. Taken together, the diverse ranges of mechanical behavior, self-healing capability, and differential susceptibility to ultrasonic disintegration suggest that Fe3+-[PEG-Dopa]4 hydrogels yield a class of application-specific stimulus-responsive polymers as smart materials for applications ranging from transient medical implants to matrices for smart drug delivery.
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Affiliation(s)
- Wei-Chen Huang
- Graduate Institute of Biomedical Materials and Tissue Engineering, Taipei Medical University , 250 Wu-Xing Street, Taipei City, 30010 Taiwan
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Hawthorne GH, Bernuci MP, Bortolanza M, Tumas V, Issy AC, Del-Bel E. Nanomedicine to Overcome Current Parkinson's Treatment Liabilities: A Systematic Review. Neurotox Res 2016; 30:715-729. [PMID: 27581037 DOI: 10.1007/s12640-016-9663-z] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Revised: 08/11/2016] [Accepted: 08/16/2016] [Indexed: 12/17/2022]
Abstract
Nanoparticles might be produced and manipulated to present a large spectrum of properties. The physicochemical features of the engineered nanomaterials confer to them different features, including the ability to cross the blood-brain barrier. The main objective of this review is to present the state-of-art research in nano manipulation concerning Parkinson's disease (PD). In the past few years, the association of drugs with nanoparticles solidly improved treatment outcomes. We systematically reviewed 28 studies, describing their potential contributions regarding the role of nanomedicine to increase the efficacy of known pharmacological strategies for PD treatment. Data from animal models resulted in the (i) improvement of pharmacological properties, (ii) more stable drug concentrations, (iii) longer half-live and (iv) attenuation of pharmacological adverse effects. As this approach is recent, with many of the described works being published less than 5 years ago, the expectancy is that this knowledge gives support to an improvement in the current clinical methods to the management of PD and other neurodegenerative diseases.
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Affiliation(s)
| | - Marcelo Picinin Bernuci
- Department of Health Promotion, University Center of Maringá (UniCesumar), Cesumar Institute of Science Technology and Innovation (ICETI), Maringa, Paraná, Brazil.
| | - Mariza Bortolanza
- Department of Morphology Physiology and Basic Pathology, Dental School of Ribeirão Preto, University of São Paulo, Ribeirao Preto, São Paulo, Brazil
| | - Vitor Tumas
- Department of Neurosciences and Behavioral Sciences Ribeirao Preto Medical School, University of São Paulo, Ribeirao Preto, São Paulo, Brazil
| | - Ana Carolina Issy
- Department of Morphology Physiology and Basic Pathology, Dental School of Ribeirão Preto, University of São Paulo, Ribeirao Preto, São Paulo, Brazil.
| | - Elaine Del-Bel
- Department of Morphology Physiology and Basic Pathology, Dental School of Ribeirão Preto, University of São Paulo, Ribeirao Preto, São Paulo, Brazil
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20
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Hernando S, Gartziandia O, Herran E, Pedraz JL, Igartua M, Hernandez RM. Advances in nanomedicine for the treatment of Alzheimer’s and Parkinson’s diseases. Nanomedicine (Lond) 2016; 11:1267-85. [DOI: 10.2217/nnm-2016-0019] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Alzheimer‘s disease and Parkinson’s disease are the most common neurodegenerative diseases worldwide. Despite all the efforts made by the scientific community, current available treatments have limited effectiveness, without halting the progression of the disease. That is why, new molecules such as growth factors, antioxidants and metal chelators have been raised as new therapeutical approaches. However, these molecules have difficulties to cross the blood–brain barrier limiting its therapeutic effect. The development of nanometric drug delivery systems may permit a targeted and sustained release of old and new treatments offering a novel strategy to treat these neurodegenerative disorders. This review summarized the main investigated drug delivery systems as promising approaches to treat Alzheimer‘s disease and Parkinson’s disease.
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Affiliation(s)
- Sara Hernando
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz 01006, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials & Nanomedicine (CIBER-BBN), Vitoria-Gasteiz 01006, Spain
| | - Oihane Gartziandia
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz 01006, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials & Nanomedicine (CIBER-BBN), Vitoria-Gasteiz 01006, Spain
| | - Enara Herran
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz 01006, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials & Nanomedicine (CIBER-BBN), Vitoria-Gasteiz 01006, Spain
| | - Jose Luis Pedraz
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz 01006, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials & Nanomedicine (CIBER-BBN), Vitoria-Gasteiz 01006, Spain
| | - Manoli Igartua
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz 01006, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials & Nanomedicine (CIBER-BBN), Vitoria-Gasteiz 01006, Spain
| | - Rosa Maria Hernandez
- NanoBioCel Group, Laboratory of Pharmaceutics, School of Pharmacy, University of the Basque Country (UPV/EHU), Vitoria-Gasteiz 01006, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials & Nanomedicine (CIBER-BBN), Vitoria-Gasteiz 01006, Spain
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21
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Feng ZV, Chen WS, Keratithamkul K, Stoick M, Kapala B, Johnson E, Huang AC, Chin TY, Chen-Yang YW, Yang ML. Degradation of the electrospun silica nanofiber in a biological medium for primary hippocampal neuron - effect of surface modification. Int J Nanomedicine 2016; 11:729-41. [PMID: 27013873 PMCID: PMC4777233 DOI: 10.2147/ijn.s93651] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
In this work, silica nanofibers (SNFs) were prepared by an electrospinning method and modified with poly-d-lysine (PDL) or (3-aminopropyl) trimethoxysilane (APTS) making biocompatible and degradable substrates for neuronal growth. The as-prepared SNF, modified SNF-PDL, and SNF-APTS were evaluated using scanning electron microscopy, nitrogen adsorption/desorption isotherms, contact angle measurements, and inductively coupled plasma atomic emission spectroscopy. Herein, the scanning electron microscopic images revealed that dissolution occurred in a corrosion-like manner by enlarging porous structures, which led to loss of structural integrity. In addition, covalently modified SNF-APTS with more hydrophobic surfaces and smaller surface areas resulted in significantly slower dissolution compared to SNF and physically modified SNF-PDL, revealing that different surface modifications can be used to tune the dissolution rate. Growth of primary hippocampal neuron on all substrates led to a slower dissolution rate. The three-dimensional SNF with larger surface area and higher surface density of the amino group promoted better cell attachment and resulted in an increased neurite density. This is the first known work addressing the degradability of SNF substrate in physiological conditions with neuron growth in vitro, suggesting a strong potential for the applications of the material in controlled drug release.
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Affiliation(s)
- Z Vivian Feng
- Chemistry Department, Augsburg College, Minneapolis, MN, USA
| | - Wen Shuo Chen
- Department of Chemistry, Center for Nanotechnology, Center for Biomedical Technology, Chung Yuan Christian University, Chung Li, Taiwan, Republic of China
| | | | - Michael Stoick
- Chemistry Department, Augsburg College, Minneapolis, MN, USA
| | - Brittany Kapala
- Department of Science, Concordia University Saint Paul, Saint Paul, MN, USA
| | - Eryn Johnson
- Department of Science, Concordia University Saint Paul, Saint Paul, MN, USA
| | - An-Chi Huang
- Department of Chemistry, Center for Nanotechnology, Center for Biomedical Technology, Chung Yuan Christian University, Chung Li, Taiwan, Republic of China
| | - Ting Yu Chin
- Department of Bioscience Technology, Chung Yuan Christian University, Chung Li, Taiwan, Republic of China
| | - Yui Whei Chen-Yang
- Department of Chemistry, Center for Nanotechnology, Center for Biomedical Technology, Chung Yuan Christian University, Chung Li, Taiwan, Republic of China
| | - Mong-Lin Yang
- Department of Science, Concordia University Saint Paul, Saint Paul, MN, USA
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Mohammadpour M, Jabbarvand M, Hashemi H, Delrish E. Prophylactic effect of topical silica nanoparticles as a novel antineovascularization agent for inhibiting corneal neovascularization following chemical burn. Adv Biomed Res 2015; 4:124. [PMID: 26261826 PMCID: PMC4513319 DOI: 10.4103/2277-9175.158039] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2014] [Accepted: 03/18/2014] [Indexed: 02/06/2023] Open
Abstract
Background: Angiogenesis-related corneal blindness includes the spectrum of corneal diseases that are caused by pathological angiogenesis, leading to untoward visual impairment. The purpose of this study was to investigate the antineovascularization effect of topical silica nanoparticles (SiNPs) in inhibiting chemical-burn-induced corneal neovascularization. Materials and Methods: A total number of 20 corneas of 10 Wistar Albino rats were included in this study. Silver nitrate cauterization was pressed to the central cornea for 5 s to induce corneal neovascularization. They were randomly allocated to case and control groups (ten eyes in each group). SiNPs were synthesized by the reverse microemulsion method. SiNPs drop 1 mg/ml was started in ten eyes and artificial tear drop was started in the control group (ten eyes) immediately after chemical cauterization. Video-based photography was performed before and after treatment. Corneal image analysis was performed on each cornea using an image analysis software program. All rats were euthanized and the eyes were sent for histopathologic examinations14 days after chemical cauterization. Results: Scanning electron microscopy (SEM) images showed spherical-shaped particles. The mean size and polydispersity index of prepared SiNPs were 30.1 ± 5.6 nm and 0.254 ± 0.11, respectively. Fourteen days after chemical cauterization, the mean vascularized corneal area was 21% of total corneal area in the case group and 85% in the control group (P < 0.05). The control group revealed more extensive intrastromal vascularization compared with the case group in histopathologic examinations (P < 0.05). Conclusions: SiNPs is an effective modality for inhibiting corneal neovascularization following chemical burn in an experimental model. Further investigations are suggested for evaluation of its safety and efficacy in human eyes.
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Affiliation(s)
- Mehrdad Mohammadpour
- Eye Research Center, Farabi Eye Hospital, Tehran, Iran ; Department of Nano-Ophthalmology, Stem Cells Preparation Unit, Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Hassan Hashemi
- Eye Research Center, Farabi Eye Hospital, Tehran, Iran ; Noor Ophthalmology Research Center, Noor Eye Hospital, Tehran, Iran
| | - Elham Delrish
- Department of Nano-Ophthalmology, Stem Cells Preparation Unit, Eye Research Center, Farabi Eye Hospital, Tehran University of Medical Sciences, Tehran, Iran
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Langle A, González-Coronel MA, Carmona-Gutiérrez G, Moreno-Rodríguez JA, Venegas B, Muñoz G, Treviño S, Díaz A. Stevia rebaudiana loaded titanium oxide nanomaterials as an antidiabetic agent in rats. REVISTA BRASILEIRA DE FARMACOGNOSIA-BRAZILIAN JOURNAL OF PHARMACOGNOSY 2015. [DOI: 10.1016/j.bjp.2015.03.004] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
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Abstract
Nanomedicine, the use of nanotechnology for biomedical applications, has potential to change the landscape of the diagnosis and therapy of many diseases. In the past several decades, the advancement in nanotechnology and material science has resulted in a large number of organic and inorganic nanomedicine platforms. Silica nanoparticles (NPs), which exhibit many unique properties, offer a promising drug delivery platform to realize the potential of nanomedicine. Mesoporous silica NPs have been extensively reviewed previously. Here we review the current state of the development and application of nonporous silica NPs for drug delivery and molecular imaging.
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Affiliation(s)
- Li Tang
- Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, Urbana, Illinois, 61801, USA
| | - Jianjun Cheng
- Department of Materials Science and Engineering, University of Illinois at Urbana–Champaign, Urbana, Illinois, 61801, USA
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Gulati K, Aw MS, Losic D. Nanoengineered drug-releasing Ti wires as an alternative for local delivery of chemotherapeutics in the brain. Int J Nanomedicine 2012; 7:2069-76. [PMID: 22619543 PMCID: PMC3356184 DOI: 10.2147/ijn.s29917] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2022] Open
Abstract
The blood–brain barrier (BBB) blocks the passage of active molecules from the blood which makes drug delivery to the brain a challenging problem. Oral drug delivery using chemically modified drugs to enhance their transport properties or remove the blocking of drug transport across the BBB is explored as a common approach to address these problems, but with limited success. Local delivery of drugs directly to the brain interstitium using implants such as polymeric wafers, gels, and catheters has been recognized as a promising alternative particularly for the treatment of brain cancer (glioma) and neurodegenerative disorders. The aim of this study was to introduce a new solution by engineering a drug-releasing implant for local drug delivery in the brain, based on titanium (Ti) wires with titania nanotube (TNT) arrays on their surfaces. Drug loading and drug release characteristics of this system were explored using two drugs commonly used in oral brain therapy: dopamine (DOPA), a neurotransmitter agent; and doxorubicin (DOXO), an anticancer drug. Results showed that TNT/Ti wires could provide a considerable amount of drugs (>170 μg to 1000 μg) with desirable release kinetics and controllable release time (1 to several weeks) and proved their feasibility for use as drug-releasing implants for local drug delivery in the brain.
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Affiliation(s)
- Karan Gulati
- Ian Wark Research Institute, The University of South Australia, Adelaide, SA, Australia
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