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De Matteis V, Martano S, Pellegrino P, Ingrosso C, Costa D, Mazzotta S, Toca‐Herrera JL, Rinaldi R, Cascione M. Green silver nanoparticles: Prospective nanotools against neurodegenerative cell line model. IBRAIN 2024; 10:123-133. [PMID: 38915951 PMCID: PMC11193863 DOI: 10.1002/ibra.12157] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 04/24/2024] [Accepted: 05/10/2024] [Indexed: 06/26/2024]
Abstract
Neurodegenerative diseases represent an increasingly burdensome challenge of the past decade, primarily driven by the global aging of the population. Ongoing efforts focus on implementing diverse strategies to mitigate the adverse effects of neurodegeneration, with the goal of decelerating the pathology progression. Notably, in recent years, it has emerged that the use of nanoparticles (NPs), particularly those obtained through green chemical processes, could constitute a promising therapeutic approach. Green NPs, exclusively sourced from phytochemicals, are deemed safer compared to NPs synthetized through conventional chemical route. In this study, the effects of green chemistry-derived silver NPs (AgNPs) were assessed in neuroblastoma cells, SHSY-5Y, which are considered a pivotal model for investigating neurodegenerative diseases. Specifically, we used two different concentrations (0.5 and 1 µM) of AgNPs and two time points (24 and 48 h) to evaluate the impact on neuroblastoma cells by observing viability reduction and intracellular calcium production, especially using 1 µM at 48 h. Furthermore, investigation using atomic force microscopy (AFM) unveiled an alteration in Young's modulus due to the reorganization of cortical actin following exposure to green AgNPs. This evidence was further corroborated by confocal microscopy acquisitions as well as coherency and density analyses on actin fibers. Our in vitro findings suggest the potential efficacy of green AgNPs against neurodegeneration; therefore, further in vivo studies are imperative to optimize possible therapeutic protocols.
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Affiliation(s)
- Valeria De Matteis
- Department of Mathematics and Physics “Ennio De Giorgi”University of SalentoLecceItaly
- CNRInstitute for Microelectronics and Microsystems (IMM)LecceItaly
| | - Simona Martano
- Department of Mathematics and Physics “Ennio De Giorgi”University of SalentoLecceItaly
| | - Paolo Pellegrino
- Department of Mathematics and Physics “Ennio De Giorgi”University of SalentoLecceItaly
| | - Chiara Ingrosso
- CNR‐IPCF S.S. Bari, c/o Department of ChemistryUniversity of Bari Aldo MoroBariItaly
| | - Daniele Costa
- Department of Mathematics and Physics “Ennio De Giorgi”University of SalentoLecceItaly
| | | | - Jose L. Toca‐Herrera
- Department of Bionanoscience, Institute of BiophysicsUniversity of Natural Resources and Life Sciences Vienna (BOKU)ViennaAustria
| | - Rosaria Rinaldi
- Department of Mathematics and Physics “Ennio De Giorgi”University of SalentoLecceItaly
| | - Mariafrancesca Cascione
- Department of Mathematics and Physics “Ennio De Giorgi”University of SalentoLecceItaly
- CNRInstitute for Microelectronics and Microsystems (IMM)LecceItaly
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Wunnoo S, Lorenzo-Leal AC, Voravuthikunchai SP, Bach H. Advanced biomaterial agent from chitosan/poloxamer 407-based thermosensitive hydrogen containing biosynthesized silver nanoparticles using Eucalyptus camaldulensis leaf extract. PLoS One 2023; 18:e0291505. [PMID: 37862295 PMCID: PMC10588896 DOI: 10.1371/journal.pone.0291505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2023] [Accepted: 08/30/2023] [Indexed: 10/22/2023] Open
Abstract
CONTEXT The emergence of multidrug-resistant (MDR) pathogens poses a significant challenge for global public health systems, increasing hospital morbidity and mortality and prolonged hospitalization. OBJECTIVE We evaluated the antimicrobial activity of a thermosensitive hydrogel containing bio-synthesized silver nanoparticles (bio-AgNPs) based on chitosan/poloxamer 407 using a leaf extract of Eucalyptus calmadulensis. RESULTS The thermosensitive hydrogel was prepared by a cold method after mixing the ingredients and left at 4°C overnight to ensure the complete solubilization of poloxamer 407. The stability of the hydrogel formulation was evaluated at room temperature for 3 months, and the absorption peak (420 nm) of the NPs remained unchanged. The hydrogel formulation demonstrated rapid gelation under physiological conditions, excellent water retention (85%), and broad-spectrum antimicrobial activity against MDR clinical isolates and ATCC strains. In this regard, minimum inhibitory concentration and minimum microbial concentration values of the bio-AgNPs ranged from 2-8 μg/mL to 8-128 μg/mL, respectively. Formulation at concentrations <64 μg/mL showed no cytotoxic effect on human-derived macrophages (THP-1 cells) with no induction of inflammation. CONCLUSIONS The formulated hydrogel could be used in biomedical applications as it possesses a broad antimicrobial spectrum and anti-inflammatory properties without toxic effects on human cells.
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Affiliation(s)
- Suttiwan Wunnoo
- Faculty of Science, Division of Biological Science, Prince of Songkhla University, Hat Yai, Songkhla, Thailand
- Center of Antimicrobial Biomaterial Innovation-Southeast Asia, Prince of Songkhla University, Hat Yai, Songkhla, Thailand
- Division of Infectious Disease, Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Ana C Lorenzo-Leal
- Division of Infectious Disease, Department of Medicine, University of British Columbia, Vancouver, BC, Canada
| | - Supayang P Voravuthikunchai
- Faculty of Science, Division of Biological Science, Prince of Songkhla University, Hat Yai, Songkhla, Thailand
- Center of Antimicrobial Biomaterial Innovation-Southeast Asia, Prince of Songkhla University, Hat Yai, Songkhla, Thailand
| | - Horacio Bach
- Division of Infectious Disease, Department of Medicine, University of British Columbia, Vancouver, BC, Canada
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Shkoor M, Jalab R, Khaled M, Shawkat TS, Korashy HM, Saad M, Su HL, Bani-Yaseen AD. Experimental and theoretical investigations of the effect of bis-phenylurea-based aliphatic amine derivative as an efficient green corrosion inhibitor for carbon steel in HCl solution. Heliyon 2023; 9:e20254. [PMID: 37780763 PMCID: PMC10539979 DOI: 10.1016/j.heliyon.2023.e20254] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/26/2023] [Accepted: 09/16/2023] [Indexed: 10/03/2023] Open
Abstract
A novel bis-phenylurea-based aliphatic amine (BPUA) was prepared via a facile synthetic route, and evaluated as a potential green organic corrosion inhibitor for carbon steel in 1.0 M HCl solutions. NMR spectroscopy experiments confirmed the preparation of the targeted structure. The corrosion inhibitory behavior of the prospective green compound was explored experimentally by electrochemical methods and theoretically by DFT-based quantum chemical calculations. Obtained results revealed an outstanding performance of BPUA, with efficiency of 95.1% at the inhibitor concentration of 50 mg L-1 at 25 °C. The novel compound has improved the steel resistivity and noticeably reduced the corrosion rate from 33 to 1.7 mils per year. Furthermore, the adsorption study elucidates that the mechanism of the corrosion inhibition activity obeys Langmuir isotherm with mixed physisorption/chemisorption modes for BPUA derivatives on the steel surface. Calculated Gibb's free energy of the adsorption process ranges from -35 to -37 kJ mol-1. The SEM morphology analysis validates the electrochemical measurements and substantiates the corrosion-inhibiting properties of BPUA. Additionally, the eco-toxicity assessment on human epithelial MCF-10A cells proved the environmental friendliness of the BPUA derivatives. Density functional theory (DFT) calculations correlated the inhibitor's chemical structure with the corresponding inhibitory behavior. Quantum descriptors disclosed the potentiality of BPUA adsorption onto the surface through the heteroatom-based functional groups and aromatic rings.
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Affiliation(s)
- Mohanad Shkoor
- Department of Chemistry & Earth Sciences, College of Arts & Science, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Rem Jalab
- Gas Processing Center, College of Engineering, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Mazen Khaled
- Department of Chemistry & Earth Sciences, College of Arts & Science, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Tahseen S. Shawkat
- Department of Pharmaceutical Sciences, College of Pharmacy, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Hesham M. Korashy
- Department of Pharmaceutical Sciences, College of Pharmacy, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Mohamed Saad
- Gas Processing Center, College of Engineering, Qatar University, P.O. Box 2713, Doha, Qatar
- Department of Chemical Engineering, College of Engineering, Qatar University, P.O. Box 2713, Doha, Qatar
| | - Haw-Lih Su
- Department of Applied Chemistry, National Chiayi University, 300 Syuefu Rd, Chiayi City, Taiwan
| | - Abdulilah Dawoud Bani-Yaseen
- Department of Chemistry & Earth Sciences, College of Arts & Science, Qatar University, P.O. Box 2713, Doha, Qatar
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Sharma A, Jaiswal V, Park M, Lee HJ. Biogenic silver NPs alleviate LPS-induced neuroinflammation in a human fetal brain-derived cell line: Molecular switch to the M2 phenotype, modulation of TLR4/MyD88 and Nrf2/HO-1 signaling pathways, and molecular docking analysis. BIOMATERIALS ADVANCES 2023; 148:213363. [PMID: 36881963 DOI: 10.1016/j.bioadv.2023.213363] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 02/23/2023] [Accepted: 02/25/2023] [Indexed: 03/06/2023]
Abstract
Silver nanoparticles (AgNPs) have inconsistent findings against inflammation. Although a wealth of literature on the beneficial effects of green-synthesized AgNPs has been published, a detailed mechanistic study of green AgNPs on the protective effects against lipopolysaccharide (LPS)-induced neuroinflammation using human microglial cells (HMC3) has not yet been reported. For the first time, we studied the inhibitory effect of biogenic AgNPs on inflammation and oxidative stress induced by LPS in HMC3 cells. X-ray photoelectron spectroscopy, Fourier-transform infrared spectroscopy, and transmission electron microscopy were used to characterize AgNPs produced from honeyberry. Co-treatment with AgNPs significantly reduced mRNA expressions of inflammatory molecules such as interleukin (IL)-6 and tumor necrosis factor-α, while increasing the expressions of anti-inflammatory markers such as IL-10 and transforming growth factor (TGF)-β. HMC3 cells were also switched from M1 to M2, as shown by lower expression of M1 markers such as cluster of differentiation (CD)80, CD86, and CD68 and higher expression of M2 markers such as CD206, CD163, and triggering receptors expressed on myeloid cells (TREM2). Furthermore, AgNPs inhibited LPS-induced toll-like receptor (TLR)4 signaling, as evidenced by decreased expression of myeloid differentiation factor 88 (MyD88) and TLR4. In addition, AgNPs reduced the production of reactive oxygen species (ROS) and enhanced the expression of nuclear factor-E2-related factor 2 (Nrf2) and heme oxygenase-1 (HO-1), while decreasing the expression of inducible nitric oxide synthase. The docking score of the honeyberry phytoconstituents ranged from -14.93 to - 4.28 KJ/mol. In conclusion, biogenic AgNPs protect against neuroinflammation and oxidative stress by targeting TLR4/MyD88 and Nrf2/HO-1 signaling pathways in a LPS-induced in vitro model. Biogenic AgNPs could be utilized as potential nanomedicine against LPS-induced inflammatory disorders.
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Affiliation(s)
- Anshul Sharma
- College of BioNano Technology, Department of Food and Nutrition, Gachon University, Gyeonggi-do 13120, Republic of Korea
| | - Varun Jaiswal
- College of BioNano Technology, Department of Food and Nutrition, Gachon University, Gyeonggi-do 13120, Republic of Korea
| | - Miey Park
- College of BioNano Technology, Department of Food and Nutrition, Gachon University, Gyeonggi-do 13120, Republic of Korea; Institute for Aging and Clinical Nutrition Research, Gachon University, Gyeonggi-do 13120, Republic of Korea
| | - Hae-Jeung Lee
- College of BioNano Technology, Department of Food and Nutrition, Gachon University, Gyeonggi-do 13120, Republic of Korea; Institute for Aging and Clinical Nutrition Research, Gachon University, Gyeonggi-do 13120, Republic of Korea; Department of Health Sciences and Technology, GAIHST, Gachon University, Incheon 21999, Republic of Korea.
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Abdallah BM, Rajendran P, Ali EM. Potential Treatment of Dermatophyte Trichophyton rubrum in Rat Model Using Topical Green Biosynthesized Silver Nanoparticles with Achillea santolina Extract. Molecules 2023; 28:molecules28041536. [PMID: 36838531 PMCID: PMC9965404 DOI: 10.3390/molecules28041536] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 01/27/2023] [Accepted: 02/01/2023] [Indexed: 02/09/2023] Open
Abstract
Trichophyton rubrum is the most common dermatophyte, and can cause cutaneous infections in humans and animals (dermatophytosis). In this study, we investigated the anti-dermatophytic potential of green synthesized silver nanoparticles using Achillea santolina extract (AS-AgNPs) in an in vitro and in vivo rat model of dermal T. rubrum dermatophytosis (TRD). The green synthesis of AS-AgNPs was performed using A. santolina extract and characterized by UV-VIS spectroscopy, zeta potential, imaging (transmission electron microscopy (TEM), X-ray diffraction (XRD), Fourier transform infrared spectroscopy (FTIR) and Energy dispersive X-ray analysis (EDX). The antifungal activity of AS-AgNPs was determined by the broth microdilution method, conidial germination, and hyphal growth inhibition. TEM and SEM were used to study the mode of the antifungal action of AS-AgNPs. AS-AgNPs inhibited the growth of T. rubrum with an MIC of 128 μg/mL, and suppressed the conidial germination and hyphal growth by 55.3% 84.6%, respectively. AS-AgNPs caused modified mycelial structures, increased cell membrane permeability, and cell wall damage. AS-AgNPs significantly increase the permeability of the fungal membrane, as revealed by reducing ergosterol biosynthesis. An increase in the intracellular ROS and the induction of apoptosis were also observed during AS-AgNP treatment. In addition, AS-AgNPs reduced the cell wall integrity, as shown by the reduction in the β-(1,3)-d-glucan synthase and chitin synthase activities. AS-AgNPs showed very low toxicity on primary human dermal fibroblasts (HDF) at the MIC. The topical treatment of the infected skin in the TRD rat model with AS-AgNPs showed a significant reduction in the fugal burden after 7 days and a complete clearance of fungal conidia, with a high recovery of epidermal and dermal structures after 14 days, compared to control rats. Interestingly, AS-AgNPs significantly attenuated the infiltrated inflammatory cells, in association with reducing the tissue proinflammatory cytokines including TNF-α, IL-1, IL-6, MOP and IL-17. In conclusion, our data prove AS-AgNPs to be a novel green topical therapy for dermatophytosis caused by T. rubrum.
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Affiliation(s)
- Basem M. Abdallah
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Correspondence: ; Tel.: +966-(013)-589-9430
| | - Peramaiyan Rajendran
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
| | - Enas M. Ali
- Department of Biological Sciences, College of Science, King Faisal University, Al-Ahsa 31982, Saudi Arabia
- Department of Botany and Microbiology, Faculty of Science, Cairo University, Cairo 12613, Egypt
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Synthesis of silver nanoparticles using plant extracts from Erythrina abyssinica aerial parts and assessment of their anti-bacterial and anti-oxidant activities. RESULTS IN CHEMISTRY 2022. [DOI: 10.1016/j.rechem.2022.100402] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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