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Mazahir F, Alam MI, Yadav AK. Development of nanomedicines for the treatment of Alzheimer's disease: Raison d'être, strategies, challenges and regulatory aspects. Ageing Res Rev 2024; 98:102318. [PMID: 38705362 DOI: 10.1016/j.arr.2024.102318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 04/04/2024] [Accepted: 04/27/2024] [Indexed: 05/07/2024]
Abstract
Alzheimer's disease (AD) is a chronic neurodegenerative disorder characterized by progressive loss of memory. Presently, AD is challenging to treat with current drug therapy as their delivery to the brain is restricted by the presence of the blood-brain barrier. Nanomedicines, due to their size, high surface volume ratio, and ease of tailoring drug release characteristics, showed their potential to treat AD. The nanotechnology-based formulations for brain targeting are expected to enter the market in the near future. So, regulatory frameworks are required to ensure the quality, safety, and effectiveness of the nanomedicines to treat AD. In this review, we discuss different strategies, in-vitro blood-brain permeation models, in-vivo permeation assessment, and regulatory aspects for the development of nanomedicine to treat AD.
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Affiliation(s)
- Farhan Mazahir
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Raebareli, India
| | - Md Imtiyaz Alam
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Raebareli, India
| | - Awesh Kumar Yadav
- Department of Pharmaceutics, National Institute of Pharmaceutical Education and Research, Raebareli, India.
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2
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Fryer E, Guha S, Rogel-Hernandez LE, Logan-Garbisch T, Farah H, Rezaei E, Mollhoff IN, Nekimken AL, Xu A, Selin Seyahi L, Fechner S, Druckmann S, Clandinin TR, Rhee SY, Goodman MB. An efficient behavioral screening platform classifies natural products and other chemical cues according to their chemosensory valence in C. elegans. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.06.02.542933. [PMID: 37333363 PMCID: PMC10274637 DOI: 10.1101/2023.06.02.542933] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
Throughout history, humans have relied on plants as a source of medication, flavoring, and food. Plants synthesize large chemical libraries and release many of these compounds into the rhizosphere and atmosphere where they affect animal and microbe behavior. To survive, nematodes must have evolved the sensory capacity to distinguish plant-made small molecules (SMs) that are harmful and must be avoided from those that are beneficial and should be sought. This ability to classify chemical cues as a function of their value is fundamental to olfaction, and represents a capacity shared by many animals, including humans. Here, we present an efficient platform based on multi-well plates, liquid handling instrumentation, inexpensive optical scanners, and bespoke software that can efficiently determine the valence (attraction or repulsion) of single SMs in the model nematode, Caenorhabditis elegans. Using this integrated hardware-wetware-software platform, we screened 90 plant SMs and identified 37 that attracted or repelled wild-type animals, but had no effect on mutants defective in chemosensory transduction. Genetic dissection indicates that for at least 10 of these SMs, response valence emerges from the integration of opposing signals, arguing that olfactory valence is often determined by integrating chemosensory signals over multiple lines of information. This study establishes that C. elegans is an effective discovery engine for determining chemotaxis valence and for identifying natural products detected by the chemosensory nervous system.
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Affiliation(s)
- Emily Fryer
- Department of Plant Biology, Carnegie Institution for Science
- Department of Molecular and Cellular Physiology, Stanford University
| | - Sujay Guha
- Department of Molecular and Cellular Physiology, Stanford University
| | | | - Theresa Logan-Garbisch
- Department of Molecular and Cellular Physiology, Stanford University
- Neurosciences Graduate Program, Stanford University
| | - Hodan Farah
- Department of Plant Biology, Carnegie Institution for Science
- Department of Molecular and Cellular Physiology, Stanford University
| | - Ehsan Rezaei
- Department of Molecular and Cellular Physiology, Stanford University
| | - Iris N. Mollhoff
- Department of Plant Biology, Carnegie Institution for Science
- Department of Molecular and Cellular Physiology, Stanford University
- Department of Biology, Stanford University
| | - Adam L. Nekimken
- Department of Molecular and Cellular Physiology, Stanford University
- Department of Mechanical Engineering, Stanford University
| | - Angela Xu
- Department of Plant Biology, Carnegie Institution for Science
| | - Lara Selin Seyahi
- Department of Plant Biology, Carnegie Institution for Science
- Department of Molecular and Cellular Physiology, Stanford University
| | - Sylvia Fechner
- Department of Molecular and Cellular Physiology, Stanford University
| | | | | | - Seung Y. Rhee
- Department of Plant Biology, Carnegie Institution for Science
| | - Miriam B. Goodman
- Department of Molecular and Cellular Physiology, Stanford University
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3
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Mani R, Ezhumalai D, Muthusamy G, Namasivayam E. Neuroprotective effect of biogenically synthesized ZnO nanoparticles against oxidative stress and β-amyloid toxicity in transgenic Caenorhabditis elegans. Biotechnol Appl Biochem 2024; 71:132-146. [PMID: 37849075 DOI: 10.1002/bab.2527] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Accepted: 10/09/2023] [Indexed: 10/19/2023]
Abstract
Amyloid β (Aβ) plaque accumulation-mediated neuronal toxicity has been suggested to cause synaptic damage and consequent degeneration of brain cells in Alzheimer's disease (AD). With the increasing prerequisite of eco-friendly nanoparticles (NPs), research investigators are utilizing green approaches for the synthesis of zinc oxide (ZnO) NPs for pharmaceutical applications. In this present study, ZnO NPs were synthesized from Acanthus ilicifolius to assess the neuroprotective properties in the AD model of transgenic Caenorhabditis elegans strains CL2006 and CL4176 expressing Aβ aggregation. Our findings revealed that the therapeutic effect of green-synthesized ZnO NPs is associated with antioxidant activity. We also found that ZnO NPs significantly enhance the C. elegan's lifespan, locomotion, pharyngeal pumping, chemotaxis behavior also diminish the ROS deposition and intracellular productionMoreover, thioflavin T staining demonstrated that ZnO NPs substantially attenuated the Aβ deposition in the C. elegans strain as compared to untreated worms. With their antioxidant properties, the greenly synthesized ZnO NPs had a significant neuroprotective efficiency on Aβ-induced toxicity by reducing Aβ aggregation and specifically reducing the progression of paralysis in the C. elegans AD model. Our findings suggested that the biosynthesized ZnO NPs could be thought-provoking candidates for age-associated neurodegenerative disorders accompanied by oxidative stress.
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Affiliation(s)
- Renuka Mani
- Department of Biotechnology, School of Bioscience, Periyar University, Salem, Tamil Nadu, India
| | | | - Ganesan Muthusamy
- Department of Veterinary Clinical Sciences, School of Veterinary Medicine, Louisiana State University, Baton Rouge, Louisiana, USA
| | - Elangovan Namasivayam
- Department of Biotechnology, School of Bioscience, Periyar University, Salem, Tamil Nadu, India
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Nayab DE, Din FU, Ali H, Kausar WA, Urooj S, Zafar M, Khan I, Shabbir K, Khan GM. Nano biomaterials based strategies for enhanced brain targeting in the treatment of neurodegenerative diseases: an up-to-date perspective. J Nanobiotechnology 2023; 21:477. [PMID: 38087359 PMCID: PMC10716964 DOI: 10.1186/s12951-023-02250-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Accepted: 12/03/2023] [Indexed: 12/18/2023] Open
Abstract
Neurons and their connecting axons gradually degenerate in neurodegenerative diseases (NDs), leading to dysfunctionality of the neuronal cells and eventually their death. Drug delivery for the treatment of effected nervous system is notoriously complicated because of the presence of natural barriers, i.e., the blood-brain barrier and the blood cerebrospinal fluid barrier. Palliative care is currently the standard care for many diseases. Therefore, treatment programs that target the disease's origin rather than its symptoms are recommended. Nanotechnology-based drug delivery platforms offer an innovative way to circumvent these obstacles and deliver medications directly to the central nervous system, thereby enabling treatment of several common neurological problems, i.e., Alzheimer's, Parkinson's, Huntington's, and amyotrophic lateral sclerosis. Interestingly, the combination of nanomedicine and gene therapy enables targeting of selective mutant genes responsible for the progression of NDs, which may provide a much-needed boost in the struggle against these diseases. Herein, we discussed various central nervous system delivery obstacles, followed by a detailed insight into the recently developed techniques to restore neurological function via the differentiation of neural stem cells. Moreover, a comprehensive background on the role of nanomedicine in controlling neurogenesis via differentiation of neural stem cells is explained. Additionally, numerous phytoconstituents with their neuroprotective properties and molecular targets in the identification and management of NDs are also deliberated. Furthermore, a detailed insight of the ongoing clinical trials and currently marketed products for the treatment of NDs is provided in this manuscript.
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Affiliation(s)
- Dur E Nayab
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Fakhar Ud Din
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan.
- Nanomedicine Research Group, Department of Pharmacy, Faculty of Biological Sciences, Quaid- i-Azam University, Islamabad, 45320, Pakistan.
| | - Hussain Ali
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan.
| | - Warda Arooj Kausar
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Shaiza Urooj
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
- Nanomedicine Research Group, Department of Pharmacy, Faculty of Biological Sciences, Quaid- i-Azam University, Islamabad, 45320, Pakistan
| | - Maryam Zafar
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Ibrahim Khan
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
| | - Kanwal Shabbir
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
- Nanomedicine Research Group, Department of Pharmacy, Faculty of Biological Sciences, Quaid- i-Azam University, Islamabad, 45320, Pakistan
| | - Gul Majid Khan
- Department of Pharmacy, Faculty of Biological Sciences, Quaid-i-Azam University, Islamabad, 45320, Pakistan
- Nanomedicine Research Group, Department of Pharmacy, Faculty of Biological Sciences, Quaid- i-Azam University, Islamabad, 45320, Pakistan
- Islamia College University, Peshawar, Khyber Pakhtunkhwa, Pakistan
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Silveira CMDV, Farelo Dos Santos V, Ornelas IM, Carrilho BDS, Ventura MAVDC, Pereira HMG, Rehen SK, Junqueira M. Systematic characterization of Lysergic Acid Diethylamide metabolites in Caenorhabditis elegans by ultra-high performance liquid chromatography coupled with high-resolution tandem mass spectrometry. J Chromatogr A 2023; 1708:464362. [PMID: 37717453 DOI: 10.1016/j.chroma.2023.464362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 08/23/2023] [Accepted: 09/04/2023] [Indexed: 09/19/2023]
Abstract
Psychedelic compounds have gained renewed interest for their potential therapeutic applications, but their metabolism and effects on complex biological systems remain poorly understood. Here, we present a systematic characterization of Lysergic Acid Diethylamide (LSD) metabolites in the model organism Caenorhabditis elegans using state-of-the-art analytical techniques. By employing ultra-high performance liquid chromatography coupled with high-resolution tandem mass spectrometry, we putatively identified a range of LSD metabolites, shedding light on their metabolic pathways and offering insights into their pharmacokinetics. Our study demonstrates the suitability of Caenorhabditis elegans as a valuable model system for investigating the metabolism of psychedelic compounds and provides a foundation for further research on the therapeutic potential of LSD.
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Affiliation(s)
| | | | - Isis Moraes Ornelas
- Departamento de Ciências Fisiológicas, Centro de Ciências da Saúde, Universidade Federal do Espírito Santo (UFES), Vitória, Brasil; Instituto D'Or de Pesquisa e Ensino (IDOR), Rio de Janeiro, Brasil
| | | | | | | | - Stevens Kastrup Rehen
- Instituto D'Or de Pesquisa e Ensino (IDOR), Rio de Janeiro, Brasil; Departamento de Genética, Instituto de Biologia, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brasil
| | - Magno Junqueira
- Instituto de Química, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brasil.
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Campelo MDS, Aragão CB, Teixeira IMM, de Siqueira EA, da Silva-Filho CJA, Ricardo NMPS, Soares SDA, de Oliveira CLCG, Muniz CR, Barbosa FG, Mafezoli J, Sampaio TL, Ribeiro MENP. Pentacyclic triterpene-loaded emulsion stabilized by Agaricus blazei Murill polysaccharides: Factorial design and cytoprotection study. Int J Biol Macromol 2023; 234:123731. [PMID: 36801286 DOI: 10.1016/j.ijbiomac.2023.123731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 02/11/2023] [Accepted: 02/13/2023] [Indexed: 02/18/2023]
Abstract
In this study, pentacyclic triterpene-loaded emulsions were stabilized by polysaccharides from Agaricus blazei Murill mushroom (PAb). The drug-excipient compatibility results by Fourier Transform Infrared Spectroscopy (FTIR) and Differential Scanning Calorimetry (DSC) showed the absence of physicochemical incompatibilities. The use of these biopolymers at 0.75 % led to obtaining emulsions with droplets smaller than 300 nm, moderate polydispersity, and ζ-potential >30 mV in modulus. The emulsions presented high encapsulation efficiency, suitable pH for topical application, and absence of macroscopic signs of instability during 45 days. Morphological analysis suggested the deposition of thin layers of PAb around the droplets. The encapsulation of pentacyclic triterpene in emulsions, stabilized by PAb, improved the cytocompatibility of this drug against PC12 and murine astrocyte cells. There was a reduction in cytotoxicity, which resulted in a lower accumulation of intracellular reactive oxygen species and maintenance of the mitochondrial transmembrane potential. Based on these results, it is estimated that PAb are promising biopolymers for the emulsions' stabilization by improving their physicochemical and biological properties.
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Affiliation(s)
- Matheus da Silva Campelo
- Organic and Inorganic Chemistry Department, Science Center, Federal University of Ceará, Fortaleza, CE 60440-900, Brazil; Department of Pharmacy, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, CE 60430-370, Brazil
| | - Cecília Brilhante Aragão
- Organic and Inorganic Chemistry Department, Science Center, Federal University of Ceará, Fortaleza, CE 60440-900, Brazil
| | - Izabell Maria Martins Teixeira
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, CE 60430-160, Brazil
| | - Erlânia Alves de Siqueira
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, CE 60430-160, Brazil
| | | | | | - Sandra de Aguiar Soares
- Organic and Inorganic Chemistry Department, Science Center, Federal University of Ceará, Fortaleza, CE 60440-900, Brazil
| | | | | | - Francisco Geraldo Barbosa
- Organic and Inorganic Chemistry Department, Science Center, Federal University of Ceará, Fortaleza, CE 60440-900, Brazil
| | - Jair Mafezoli
- Organic and Inorganic Chemistry Department, Science Center, Federal University of Ceará, Fortaleza, CE 60440-900, Brazil
| | - Tiago Lima Sampaio
- Department of Clinical and Toxicological Analysis, Faculty of Pharmacy, Dentistry and Nursing, Federal University of Ceará, Fortaleza, CE 60430-160, Brazil.
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Wang Z, Gao C, Zhang L, Sui R. Hesperidin methylchalcone (HMC) hinders amyloid-β induced Alzheimer's disease by attenuating cholinesterase activity, macromolecular damages, oxidative stress and apoptosis via regulating NF-κB and Nrf2/HO-1 pathways. Int J Biol Macromol 2023; 233:123169. [PMID: 36623626 DOI: 10.1016/j.ijbiomac.2023.123169] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 11/04/2022] [Accepted: 01/03/2023] [Indexed: 01/09/2023]
Abstract
Phytocompounds therapy has recently emerged as an effective strategy to treat Alzheimer's disease. Herein, the protective effect of hesperidin methylchalcone (HMC) was evaluated through Alzheimer's disease models of Neuro-2a cells and Wistar rats. The in vitro results showed that HMC possesses significant ability to inhibit the acetylcholinesterase enzyme and exhibiting anti-aggregation and disaggregation properties. Furthermore, HMC could protect the Neuro-2a cells against Aβ-induced neurotoxicity. Simultaneously, HMC treatment significantly improved the cognitive deficits caused by Aβ-peptide on spatial memory in Wistar rats. HMC significantly enhanced the cholinergic effects by inhibiting AChE, BuChE, β-secretase activity, caspase-3 activity, and attenuating macromolecular damages and apoptosis. Notably, HMC reduced the Aβ-induced oxidative stress by activating the antioxidative defence enzymes. In addition, the HMC treatment suppressed the expression of immunocytokines such as p-NF-κB p65, p-IκBα, induced by Aβ; whereas upregulating Nrf2, HO-1 in brain homogenate. These results suggest that HMC could attenuate Aβ-induced neuroinflammation in brain via suppressing NF-κB signalling pathway and activating the Nrf2/HO-1 pathway, thereby improving memory and cognitive impairments in Wistar rats. Overall, the present study reports that HMC can act as a potent candidate with multi-faceted neuroprotective potential against Aβ-induced memory dysfunction in Wistar rats for the treatment of Alzheimer's disease.
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Affiliation(s)
- Zhuo Wang
- School of Nursing, Jinzhou Medical University, Jinzhou 121099, China
| | - Chao Gao
- School of Nursing, Jinzhou Medical University, Jinzhou 121099, China
| | - Lei Zhang
- School of Nursing, Jinzhou Medical University, Jinzhou 121099, China
| | - Rubo Sui
- Department of Neurology, The First Affiliated Hospital of Jinzhou Medical University, Jinzhou 121099, China.
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Chen Y, Wang Q, Luo H, Deng S, Tian Y, Wang S. Mechanisms of the ethanol extract of Gelidium amansii for slow aging in high-fat male Drosophila by metabolomic analysis. Food Funct 2022; 13:10110-10120. [PMID: 36102920 DOI: 10.1039/d2fo02116a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Gelidium amansii (GA) is a kind of red alga homologous to medicine and food and is distributed all over the world. Studies on GA are mainly focused on its polysaccharides, with little research on the ethanol extract. The ethanol extract of Gelidium amansii (GAE) was subjected to a reverse-phase column to obtain 7 components. Among them, 100% methanol solution (GAM), enriched with phytene-1,2-diol, exhibited the strongest DPPH free radical scavenging activity (IC50 = 0.17 mg mL-1). Subsequently, high-fat male flies (HMFs) were used as a model to explore the antioxidant and anti-aging effects of GAM in vivo. Studies showed that GAM can effectively prolong the lifespan of HMFs. When GAM concentrations were 0.2 and 1.0 mg mL-1, the average lifespan of HMFs was increased by 28.7 and 40.7%, respectively, while the longest lifespan of HMFs was increased by 20.55% and 32.88%, respectively. Further research revealed that GAM can significantly downregulate the levels of malondialdehyde (MDA) and protein carbonyl (PCO), and can significantly upregulate the levels of catalase (CAT) and total superoxide dismutase (T-SOD). In addition, by analyzing differential metabolites, we found that GAM relieves aging caused by oxidative stress by regulating amino acid, lipid, sugar, and energy metabolism. The GAM group significantly regulated the levels of adenine, cholic acid, glutamate, L-proline, niacin, and stachyose which tend to recover to the levels of the normal diet male fly (NMF) group. In general, our research provides ideas for the high-value utilization of GA and provides a lead compound for the research and development of anti-aging food or medicine.
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Affiliation(s)
- Yushi Chen
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, China.
| | - Qishen Wang
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, China.
| | - Haitao Luo
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, China.
| | - Shanggui Deng
- College of Food and Pharmacy, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Yongqi Tian
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, China.
| | - Shaoyun Wang
- College of Chemical Engineering, Fuzhou University, Fuzhou 350108, China.
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Jeyakumar M, Sathya S, Gandhi S, Tharra P, Aarthy M, Balan DJ, Kiruthiga C, Baire B, Singh SK, Devi KP. α-bisabolol β-D-fucopyranoside inhibits β-amyloid (Aβ)25–35 induced oxidative stress in Neuro-2a cells via antioxidant approaches. Process Biochem 2022. [DOI: 10.1016/j.procbio.2022.07.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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LC-MS/MS Insight into Vitamin C Restoration to Metabolic Disorder Evoked by Amyloid β in Caenorhabditis elegans CL2006. Metabolites 2022; 12:metabo12090841. [PMID: 36144245 PMCID: PMC9506573 DOI: 10.3390/metabo12090841] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/01/2022] [Accepted: 09/02/2022] [Indexed: 11/16/2022] Open
Abstract
The transitional expression and aggregation of amyloid β (Aβ) are the most important causative factors leading to the deterioration of Alzheimer’s disease (AD), a commonly occurring metabolic disease among older people. Antioxidant agents such as vitamin C (Vc) have shown potential effects against AD and aging. We applied an liquid chromatography coupled with tandem mass spectrometry (LC-MS/MS) method and differential metabolites strategy to explore the metabolic disorders and Vc restoration in a human Aβ transgenic (Punc-54::Aβ1–42) nematode model CL2006. We combined the LC-MS/MS investigation with the KEGG and HMDB databases and the CFM-ID machine-learning model to identify and qualify the metabolites with important physiological roles. The differential metabolites responding to Aβ activation and Vc treatment were filtered out and submitted to enrichment analysis. The enrichment showed that Aβ mainly caused abnormal biosynthesis and metabolism pathways of phenylalanine, tyrosine and tryptophan biosynthesis, as well as arginine and proline metabolism. Vc reversed the abnormally changed metabolites tryptophan, anthranilate, indole and indole-3-acetaldehyde. Vc restoration affected the tryptophan metabolism and the biosynthesis of phenylalanine, tyrosine and tryptophan. Our findings provide supporting evidence for understanding the metabolic abnormalities in neurodegenerative diseases and the repairing effect of drug interventions.
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Woon CK, Hui WK, Abas R, Haron MH, Das S, Lin TS. Natural Product-based Nanomedicine: Recent Advances and Issues for the Treatment of Alzheimer's Disease. Curr Neuropharmacol 2022; 20:1498-1518. [PMID: 34923947 PMCID: PMC9881085 DOI: 10.2174/1570159x20666211217163540] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2021] [Revised: 10/06/2021] [Accepted: 10/30/2021] [Indexed: 11/22/2022] Open
Abstract
Alzheimer's disease (AD) affects the elderly and is characterized by progressive neurodegeneration caused by different pathologies. The most significant challenges in treating AD include the inability of medications to reach the brain because of its poor solubility, low bioavailability, and the presence of the blood-brain barrier (BBB). Additionally, current evidence suggests the disruption of BBB plays an important role in the pathogenesis of AD. One of the critical challenges in treating AD is the ineffective treatments and their severe adverse effects. Nanotechnology offers an alternative approach to facilitate the treatment of AD by overcoming the challenges in drug transport across the BBB. Various nanoparticles (NP) loaded with natural products were reported to aid in drug delivery for the treatment of AD. The nano-sized entities of NP are great platforms for incorporating active materials from natural products into formulations that can be delivered effectively to the intended action site without compromising the material's bioactivity. The review highlights the applications of medicinal plants, their derived components, and various nanomedicinebased approaches for the treatment of AD. The combination of medicinal plants and nanotechnology may lead to new theragnostic solutions for the treatment of AD in the future.
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Affiliation(s)
- Choy Ker Woon
- Department of Anatomy, Faculty of Medicine, Universiti Teknologi MARA, 47000 Selangor, Malaysia
| | - Wong Kah Hui
- Department of Anatomy, Faculty of Medicine, Universiti Malaya, 50603 Kuala Lumpur, Malaysia
| | - Razif Abas
- Department of Human Anatomy, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia, 43400 Selangor, Malaysia
| | - Muhammad Huzaimi Haron
- Department of Pharmacology, Faculty of Medicine, Universiti Teknologi MARA, 47000 Selangor, Malaysia
| | - Srijit Das
- Department of Human and Clinical Anatomy, College of Medicine and Health Sciences, Sultan Qaboos University, Al-Khoud, Muscat 123, Sultanate of Oman
| | - Teoh Seong Lin
- Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia, 56000 Kuala Lumpur, Malaysia,Address correspondence to this author at the Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia, 56000 Kuala Lumpur, Malaysia; Tel: +603-91458635; E-mail:
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12
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Nagaraju PG, S A, Priyadarshini P. Tau-aggregation inhibition: promising role of nanoencapsulated dietary molecules in the management of Alzheimer's disease. Crit Rev Food Sci Nutr 2022; 63:11153-11168. [PMID: 35748395 DOI: 10.1080/10408398.2022.2092446] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Alzheimer's disease (AD) is a cumulative form of dementia associated with memory loss, cognition impairment, and finally leading to death. AD is characterized by abnormal deposits of extracellular beta-amyloid and intracellular Tau-protein tangles throughout the brain. During pathological conditions of AD, Tau protein undergoes various modifications and aggregates over time. A number of clinical trials on patients with AD symptoms have indicated the effectiveness of Tau-based therapies over anti-Aβ treatments. Thus, there is a huge paradigm shift toward Tau aggregation inhibitors. Several bioactives of plants and microbes have been suggested to cross the neuronal cell membrane and play a crucial role in managing neurodegenerative disorders. Bioactives mainly act as active modulators of AD pathology besides having antioxidant and anti-inflammatory potential. Studies also demonstrated the potential role of dietary molecules in inhibiting the formation of Tau aggregates and removing toxic Tau. Further, these molecules in nonencapsulated form exert enhanced Tau aggregation inhibition activity both in in vitro and in vivo studies suggesting a remarkable role of nanoencapsulation in AD management. The present article aims to review and discuss the structure-function relationship of Tau protein, the post-translational modifications that aid Tau aggregation and potential bioactives that inhibit Tau aggregation.
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Affiliation(s)
- Pramod G Nagaraju
- Department of Molecular Nutrition, CSIR-Central Food Technological Research Institute, Mysuru, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Ashwini S
- Department of Molecular Nutrition, CSIR-Central Food Technological Research Institute, Mysuru, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
| | - Poornima Priyadarshini
- Department of Molecular Nutrition, CSIR-Central Food Technological Research Institute, Mysuru, India
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, India
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Pinto M, Silva V, Barreiro S, Silva R, Remião F, Borges F, Fernandes C. Brain drug delivery and neurodegenerative diseases: Polymeric PLGA-based nanoparticles as a forefront platform. Ageing Res Rev 2022; 79:101658. [PMID: 35660114 DOI: 10.1016/j.arr.2022.101658] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 05/20/2022] [Accepted: 05/28/2022] [Indexed: 02/06/2023]
Abstract
The discovery of effective drugs for the treatment of neurodegenerative disorders (NDs) is a deadlock. Due to their complex etiology and high heterogeneity, progresses in the development of novel NDs therapies have been slow, raising social/economic and medical concerns. Nanotechnology and nanomedicine evolved exponentially in recent years and presented a panoply of tools projected to improve diagnosis and treatment. Drug-loaded nanosystems, particularly nanoparticles (NPs), were successfully used to address numerous drug glitches, such as efficacy, bioavailability and safety. Polymeric nanoparticles (PNPs), mainly based on polylactic-co-glycolic acid (PLGA), have been already validated and approved for the treatment of cancer, neurologic dysfunctions and hormonal-related diseases. Despite promising no PNPs-based therapy for neurodegenerative disorders is available up to date. To stimulate the research in the area the studies performed so far with polylactic-co-glycolic acid (PLGA) nanoparticles as well as the techniques aimed to improve PNPs BBB permeability and drug targeting were revised. Bearing in mind NDs pharmacological therapy landscape huge efforts must be done in finding new therapeutic solutions along with the translation of the most promising results to the clinic, which hopefully will converge in the development of effective drugs in a foreseeable future.
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14
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Improvement of synaptic plasticity by nanoparticles and the related mechanisms: Applications and prospects. J Control Release 2022; 347:143-163. [PMID: 35513209 DOI: 10.1016/j.jconrel.2022.04.049] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 11/20/2022]
Abstract
Synaptic plasticity is an important basis of learning and memory and participates in brain network remodelling after different types of brain injury (such as that caused by neurodegenerative diseases, cerebral ischaemic injury, posttraumatic stress disorder (PTSD), and psychiatric disorders). Therefore, improving synaptic plasticity is particularly important for the treatment of nervous system-related diseases. With the rapid development of nanotechnology, increasing evidence has shown that nanoparticles (NPs) can cross the blood-brain barrier (BBB) in different ways, directly or indirectly act on nerve cells, regulate synaptic plasticity, and ultimately improve nerve function. Therefore, to better elucidate the effect of NPs on synaptic plasticity, we review evidence showing that NPs can improve synaptic plasticity by regulating different influencing factors, such as neurotransmitters, receptors, presynaptic membrane proteins and postsynaptic membrane proteins, and further discuss the possible mechanism by which NPs improve synaptic plasticity. We conclude that NPs can improve synaptic plasticity and restore the function of damaged nerves by inhibiting neuroinflammation and oxidative stress, inducing autophagy, and regulating ion channels on the cell membrane. By reviewing the mechanism by which NPs regulate synaptic plasticity and the applications of NPs for the treatment of neurological diseases, we also propose directions for future research in this field and provide an important reference for follow-up research.
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15
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Lim CL, Raju CS, Mahboob T, Kayesth S, Gupta KK, Jain GK, Dhobi M, Nawaz M, Wilairatana P, de Lourdes Pereira M, Patra JK, Paul AK, Rahmatullah M, Nissapatorn V. Precision and Advanced Nano-Phytopharmaceuticals for Therapeutic Applications. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:238. [PMID: 35055257 PMCID: PMC8778544 DOI: 10.3390/nano12020238] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/07/2022] [Accepted: 01/08/2022] [Indexed: 02/04/2023]
Abstract
Phytopharmaceuticals have been widely used globally since ancient times and acknowledged by healthcare professionals and patients for their superior therapeutic value and fewer side-effects compared to modern medicines. However, phytopharmaceuticals need a scientific and methodical approach to deliver their components and thereby improve patient compliance and treatment adherence. Dose reduction, improved bioavailability, receptor selective binding, and targeted delivery of phytopharmaceuticals can be likely achieved by molding them into specific nano-formulations. In recent decades, nanotechnology-based phytopharmaceuticals have emerged as potential therapeutic candidates for the treatment of various communicable and non-communicable diseases. Nanotechnology combined with phytopharmaceuticals broadens the therapeutic perspective and overcomes problems associated with plant medicine. The current review highlights the therapeutic application of various nano-phytopharmaceuticals in neurological, cardiovascular, pulmonary, and gastro-intestinal disorders. We conclude that nano-phytopharmaceuticals emerge as promising therapeutics for many pathological conditions with good compliance and higher acceptance.
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Affiliation(s)
- Chooi Ling Lim
- Division of Applied Biomedical Science and Biotechnology, School of Health Sciences, International Medical University, Kuala Lumpur 57000, Malaysia
| | - Chandramathi S. Raju
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia;
| | - Tooba Mahboob
- Department of Medical Microbiology, Faculty of Medicine, University of Malaya, Kuala Lumpur 50603, Malaysia;
| | - Sunil Kayesth
- Department of Zoology, Deshbandhu College, University of Delhi, New Delhi 110019, India;
| | - Kamal K. Gupta
- Department of Zoology, Deshbandhu College, University of Delhi, New Delhi 110019, India;
| | - Gaurav Kumar Jain
- Department of Pharmacognosy and Phytochemistry, Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi 110017, India; (G.K.J.); (M.D.)
| | - Mahaveer Dhobi
- Department of Pharmacognosy and Phytochemistry, Delhi Pharmaceutical Sciences and Research University (DPSRU), New Delhi 110017, India; (G.K.J.); (M.D.)
| | - Muhammad Nawaz
- Department of Nano-Medicine, Institute for Research and Medical Consultations ((IRMC), Imam Abdulrahman Bin Faisal University, Dammam 34212, Saudi Arabia;
| | - Polrat Wilairatana
- Department of Clinical Tropical Medicine, Faculty of Tropical Medicine, Mahidol University, Bangkok 10400, Thailand
| | - Maria de Lourdes Pereira
- CICECO-Aveiro Institute of Materials & Department of Medical Sciences, University of Aveiro, 3810-193 Aveiro, Portugal;
| | - Jayanta Kumar Patra
- Research Institute of Biotechnology & Medical Converged Science, Dongguk University-Seoul, Goyang-si 10326, Korea;
| | - Alok K. Paul
- School of Pharmacy and Pharmacology, University of Tasmania, Private Bag 26, Hobart, TAS 7001, Australia;
| | - Mohammed Rahmatullah
- Department of Biotechnology & Genetic Engineering, University of Development Alternative, Lalmatia, Dhaka 1207, Bangladesh;
| | - Veeranoot Nissapatorn
- School of Allied Health Sciences and World Union for Herbal Drug Discovery (WUHeDD), Walailak University, Nakhon Si Thammarat 80160, Thailand
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16
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Wang X, Qiu J, Xu Y, Liao G, Jia Q, Pan Y, Wang T, Qian Y. Integrated non-targeted lipidomics and metabolomics analyses for fluctuations of neonicotinoids imidacloprid and acetamiprid on Neuro-2a cells. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 284:117327. [PMID: 34030083 DOI: 10.1016/j.envpol.2021.117327] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 05/02/2021] [Accepted: 05/04/2021] [Indexed: 06/12/2023]
Abstract
Neonicotinoid insecticides are widely used for pest control. However, they are highly water-soluble and easily ingested by organisms, posing potential health risks. In this study, cytotoxicity evaluations of imidacloprid and acetamiprid were conducted in Neuro-2a cells by obtaining their half maximal inhibitory concentration (IC50 values) (1152.1 and 936.5 μM, respectively). The toxic effects at the IC10 and IC20 on cell metabolism were determined by integrated non-targeted lipidomics and metabolomics analyses. Changes in the concentration of acetamiprid caused the most drastic perturbations of metabolism in Neuro-2a cells. Altogether, the detected lipids were mainly attributed to triglyceride, phosphatidylcholine (PC), and diglyceride. These three categories of lipids accounted for more than 67% of the sum in Neuro-2a cells. A total of 14 lipids and other 40 metabolites were screened as differential metabolites based on multivariate data analysis, and PCs were most frequently observed with a proportion of 25.9%. The results demonstrated that lipid metabolism should be paid considerable attention after imidacloprid and acetamiprid exposure. Pathway analysis showed that the metabolisms of glycerophospholipid, sphingolipid, and glutathione were the dominant pathways that were interfered. The present study is the first to investigate the cellular toxic mechanisms after separate imidacloprid and acetamiprid exposure by using lipidomics and metabolomics simultaneously. This research also provides novel insights into the evaluation of the ecological risk of imidacloprid and acetamiprid and contribute to the study of toxicity mechanism of these neonicotinoid insecticides to animals and humans in the future.
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Affiliation(s)
- Xinlu Wang
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China
| | - Jing Qiu
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China
| | - Yanyang Xu
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China
| | - Guangqin Liao
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China
| | - Qi Jia
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China
| | - Yecan Pan
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China
| | - Tiancai Wang
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China
| | - Yongzhong Qian
- Institute of Quality Standards and Testing Technology for Agro-Products, Chinese Academy of Agricultural Sciences; Key Laboratory of Agri-food Quality and Safety, Ministry of Agriculture and Rural Affairs, Beijing, 100081, China.
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17
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Tandon A, Singh SJ, Chaturvedi RK. Nanomedicine against Alzheimer's and Parkinson's Disease. Curr Pharm Des 2021; 27:1507-1545. [PMID: 33087025 DOI: 10.2174/1381612826666201021140904] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Revised: 08/06/2020] [Accepted: 08/18/2020] [Indexed: 11/22/2022]
Abstract
Alzheimer's and Parkinson's are the two most rampant neurodegenerative disorders worldwide. Existing treatments have a limited effect on the pathophysiology but are unable to fully arrest the progression of the disease. This is due to the inability of these therapeutic molecules to efficiently cross the blood-brain barrier. We discuss how nanotechnology has enabled researchers to develop novel and efficient nano-therapeutics against these diseases. The development of nanotized drug delivery systems has permitted an efficient, site-targeted, and controlled release of drugs in the brain, thereby presenting a revolutionary therapeutic approach. Nanoparticles are also being thoroughly studied and exploited for their role in the efficient and precise diagnosis of neurodegenerative conditions. We summarize the role of different nano-carriers and RNAi-conjugated nanoparticle-based therapeutics for their efficacy in pre-clinical studies. We also discuss the challenges underlying the use of nanomedicine with a focus on their route of administration, concentration, metabolism, and any toxic effects for successful therapeutics in these diseases.
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Affiliation(s)
- Ankit Tandon
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India
| | - Sangh J Singh
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India
| | - Rajnish K Chaturvedi
- Developmental Toxicology Laboratory, Systems Toxicology and Health Risk Assessment Group, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan, 31, Mahatma Gandhi Marg, Lucknow 226001, Uttar Pradesh, India
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18
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Zhang W, Li W, Li J, Chang X, Niu S, Wu T, Kong L, Zhang T, Tang M, Xue Y. Neurobehavior and neuron damage following prolonged exposure of silver nanoparticles with/without polyvinylpyrrolidone coating in Caenorhabditis elegans. J Appl Toxicol 2021; 41:2055-2067. [PMID: 33993517 DOI: 10.1002/jat.4197] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 04/15/2021] [Accepted: 05/01/2021] [Indexed: 12/18/2022]
Abstract
Silver nanoparticles (AgNPs) have become widespread in the environment with increasing industrial applications. But the studies about their potential health risks are far from enough, especially in neurotoxic effects. This study aimed to investigate the neurotoxic effects of longer-term exposure (prolonged exposure for 48 h and chronic exposure for 6 days) of 20nm AgNPs with/without polyvinylpyrrolidone (PVP) coating at low concentrations (0.01-10 mg·L-1 ) to Caenorhabditis elegans. The results suggested that exposure to AgNPs induced damage to nematode survival, with the longest and relative average life span reduced. Exposure to AgNPs caused neurotoxicity on locomotion behaviors (head thrashes, body bends, pharyngeal pumping frequency, and defecation interval) and sensory perception behaviors (chemotaxis assay and thermotaxis assay), as well as impaired dopaminergic, GABAergic, and cholinergic neurons, except for glutamatergic, based on the alters fluorescence intensity, in a dose- and time-dependent manner. Further investigations suggested that the low-dose AgNPs (0.01-0.1 mg·L-1 ) exposure raises receptors of GABAergic and dopamine in C. elegans at the genetic level, whereas opposite results were observed at higher doses (1-10 mg·L-1 ), which implied that AgNPs could cause neurotoxicity by impairing neurotransmitter delivery. The PVP-AgNPs could cause a higher fatality rate and neurotoxicity at the same dose. Notably, AgNPs did not cause any deleterious effect on nematodes at the lowest dose of 0.01 mg·L-1 . In general, these results suggested that AgNPs possess the neurotoxic potential in C. elegans and provided useful information to understand the neurotoxicity of AgNPs, which would offer an inspiring perspective on the safe application.
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Affiliation(s)
- Wenli Zhang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Wenhua Li
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Jiangyan Li
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Xiaoru Chang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Shuyan Niu
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Tianshu Wu
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Lu Kong
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Ting Zhang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Meng Tang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Yuying Xue
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing, China
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19
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Cano A, Turowski P, Ettcheto M, Duskey JT, Tosi G, Sánchez-López E, García ML, Camins A, Souto EB, Ruiz A, Marquié M, Boada M. Nanomedicine-based technologies and novel biomarkers for the diagnosis and treatment of Alzheimer's disease: from current to future challenges. J Nanobiotechnology 2021; 19:122. [PMID: 33926475 PMCID: PMC8086346 DOI: 10.1186/s12951-021-00864-x] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Accepted: 04/17/2021] [Indexed: 02/07/2023] Open
Abstract
Increasing life expectancy has led to an aging population, which has consequently increased the prevalence of dementia. Alzheimer's disease (AD), the most common form of dementia worldwide, is estimated to make up 50-80% of all cases. AD cases are expected to reach 131 million by 2050, and this increasing prevalence will critically burden economies and health systems in the next decades. There is currently no treatment that can stop or reverse disease progression. In addition, the late diagnosis of AD constitutes a major obstacle to effective disease management. Therefore, improved diagnostic tools and new treatments for AD are urgently needed. In this review, we investigate and describe both well-established and recently discovered AD biomarkers that could potentially be used to detect AD at early stages and allow the monitoring of disease progression. Proteins such as NfL, MMPs, p-tau217, YKL-40, SNAP-25, VCAM-1, and Ng / BACE are some of the most promising biomarkers because of their successful use as diagnostic tools. In addition, we explore the most recent molecular strategies for an AD therapeutic approach and nanomedicine-based technologies, used to both target drugs to the brain and serve as devices for tracking disease progression diagnostic biomarkers. State-of-the-art nanoparticles, such as polymeric, lipid, and metal-based, are being widely investigated for their potential to improve the effectiveness of both conventional drugs and novel compounds for treating AD. The most recent studies on these nanodevices are deeply explained and discussed in this review.
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Affiliation(s)
- Amanda Cano
- Research Center and Memory Clinic, Fundació ACE. Institut Català de Neurociències Aplicades, International University of Catalunya (UIC), C/Marquès de Sentmenat, 57, 08029, Barcelona, Spain.
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain.
- Institute of Nanoscience and Nanotechnology (IN2UB), Barcelona, Spain.
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain.
| | - Patric Turowski
- UCL Institute of Ophthalmology, University College of London, London, UK
| | - Miren Ettcheto
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
- Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain
| | - Jason Thomas Duskey
- Nanotech Lab, Te.Far.T.I, Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
- Umberto Veronesi Foundation, 20121, Milano, Italy
| | - Giovanni Tosi
- Nanotech Lab, Te.Far.T.I, Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Elena Sánchez-López
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Barcelona, Spain
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain
| | - Maria Luisa García
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
- Institute of Nanoscience and Nanotechnology (IN2UB), Barcelona, Spain
- Department of Pharmacy, Pharmaceutical Technology and Physical Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain
| | - Antonio Camins
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
- Department of Pharmacology, Toxicology and Therapeutic Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, Barcelona, Spain
| | - Eliana B Souto
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Coimbra, Coimbra, Portugal
- CEB - Centre of Biological Engineering, University of Minho, Campus de Gualtar, 4710-057, Braga, Portugal
| | - Agustín Ruiz
- Research Center and Memory Clinic, Fundació ACE. Institut Català de Neurociències Aplicades, International University of Catalunya (UIC), C/Marquès de Sentmenat, 57, 08029, Barcelona, Spain
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
| | - Marta Marquié
- Research Center and Memory Clinic, Fundació ACE. Institut Català de Neurociències Aplicades, International University of Catalunya (UIC), C/Marquès de Sentmenat, 57, 08029, Barcelona, Spain
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
| | - Mercè Boada
- Research Center and Memory Clinic, Fundació ACE. Institut Català de Neurociències Aplicades, International University of Catalunya (UIC), C/Marquès de Sentmenat, 57, 08029, Barcelona, Spain
- Biomedical Research Networking Centre in Neurodegenerative Diseases (CIBERNED), Madrid, Spain
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20
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Quercetin Disaggregates Prion Fibrils and Decreases Fibril-Induced Cytotoxicity and Oxidative Stress. Pharmaceutics 2020; 12:pharmaceutics12111081. [PMID: 33187342 PMCID: PMC7696844 DOI: 10.3390/pharmaceutics12111081] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 11/05/2020] [Accepted: 11/09/2020] [Indexed: 11/17/2022] Open
Abstract
Transmissible spongiform encephalopathies (TSEs) are fatal neurodegenerative diseases caused by misfolding and aggregation of prion protein (PrP). Previous studies have demonstrated that quercetin can disaggregate some amyloid fibrils, such as amyloid β peptide (Aβ) and α-synuclein. However, the disaggregating ability is unclear in PrP fibrils. In this study, we examined the amyloid fibril-disaggregating activity of quercetin on mouse prion protein (moPrP) and characterized quercetin-bound moPrP fibrils by imaging, proteinase resistance, hemolysis assay, cell viability, and cellular oxidative stress measurements. The results showed that quercetin treatment can disaggregate moPrP fibrils and lead to the formation of the proteinase-sensitive amorphous aggregates. Furthermore, quercetin-bound fibrils can reduce the membrane disruption of erythrocytes. Consequently, quercetin-bound fibrils cause less oxidative stress, and are less cytotoxic to neuroblastoma cells. The role of quercetin is distinct from the typical function of antiamyloidogenic drugs that inhibit the formation of amyloid fibrils. This study provides a solution for the development of antiamyloidogenic therapy.
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21
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DanQing L, YuJie G, ChengPeng Z, HongZhi D, Yi H, BiSheng H, Yan C. N-butanol extract of Hedyotis diffusa protects transgenic Caenorhabditis elegans from Aβ-induced toxicity. Phytother Res 2020; 35:1048-1061. [PMID: 32924204 DOI: 10.1002/ptr.6871] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 07/09/2020] [Accepted: 08/21/2020] [Indexed: 12/15/2022]
Abstract
Hedyotis diffusa Willd (Rubiaceae) is a widely used and resourceful traditional Chinese medicine that exerts protection against aging and age-related diseases. However, the underlying mechanisms of the protective effects remain largely unclear. Alzheimer's disease (AD) is an age-related neurodegenerative disease, of which β-amyloid (Aβ)-induced toxicity has been suggested as a main cause. Herein, we use the transgenic Caenorhabditis elegans CL4176, CL2006, and CL2355 strains, which express human Aβ1-42 peptide, to investigate the effects and the possible mechanisms of n-butanol extract of H.diffusa (HDB)-mediated protection against Aβ toxicity in vivo. During the experiments, a method of quality control for HDB was established by HPLC. Additionally, we examined the effects of HBD on gene expression changes with qRT-PCR, aggregation of Aβ plagues with thioflavin-S staining, and protein detection with GFP labeling. HDB improved lifespan, locomotion, and stress resistance. Further study showed that HDB decreased paralysis, the accumulation of ROS, and AChE activity. Moreover, HDB suppressed neuronal Aβ-expression-induced defects in chemotaxis behavior and increased SOD activity. HDB also downregulated the Aβ mRNA level and decreased the number of Aβ deposits. Furthermore, HDB increased the expression levels of sod-3, daf-16, hsf-1, and hsp-16.2 gene and upregulated hsp-16.2::GFP and gst-4::GFP expression. Taken together, these results suggest that HDB may protect against Aβ-induced toxicity in C. elegans via the insulin/insulin-like growth factor-1 (IGF-1) signaling pathway.
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Affiliation(s)
- Li DanQing
- Key Laboratory of Education Ministry on Traditional Chinese Medicine Resource and Compound Prescription, Hubei University of Chinese Medicine, Wuhan, China
| | - Guo YuJie
- Key Laboratory of Education Ministry on Traditional Chinese Medicine Resource and Compound Prescription, Hubei University of Chinese Medicine, Wuhan, China
| | - Zhang ChengPeng
- Key Laboratory of Education Ministry on Traditional Chinese Medicine Resource and Compound Prescription, Hubei University of Chinese Medicine, Wuhan, China
| | - Du HongZhi
- Key Laboratory of Education Ministry on Traditional Chinese Medicine Resource and Compound Prescription, Hubei University of Chinese Medicine, Wuhan, China
| | - Hong Yi
- Key Laboratory of Education Ministry on Traditional Chinese Medicine Resource and Compound Prescription, Hubei University of Chinese Medicine, Wuhan, China
| | - Huang BiSheng
- Key Laboratory of Education Ministry on Traditional Chinese Medicine Resource and Compound Prescription, Hubei University of Chinese Medicine, Wuhan, China
| | - Cao Yan
- Key Laboratory of Education Ministry on Traditional Chinese Medicine Resource and Compound Prescription, Hubei University of Chinese Medicine, Wuhan, China
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Phytol-Loaded Solid Lipid Nanoparticles as a Novel Anticandidal Nanobiotechnological Approach. Pharmaceutics 2020; 12:pharmaceutics12090871. [PMID: 32933144 PMCID: PMC7558427 DOI: 10.3390/pharmaceutics12090871] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Revised: 08/18/2020] [Accepted: 08/28/2020] [Indexed: 02/07/2023] Open
Abstract
Phytol is a diterpene alcohol and can be found as a product of the metabolism of chlorophyll in plants. This compound has been explored as a potential antimicrobial agent, but it is insoluble in water. In this study, we describe a novel approach for an interesting anticandidal drug delivery system containing phytol. Different formulations of phytol-loaded solid lipid nanoparticles (SLN) were designed and tested using a natural lipid, 1,3-distearyl-2-oleyl-glycerol (TG1). Different compositions were considered to obtain three formulations with 1:10, 1:5, and 1:3 w/w phytol/TG1 ratios. All the formulations were prepared by emulsification solvent evaporation method and had their physicochemical properties assessed. The biocompatibility assay was performed in the HEK-293 cell line and the antifungal efficacy was demonstrated in different strains of Candida ssp., including different clinical isolates. Spherical and uniform SLN (<300 nm, PdI < 0.2) with phytol-loading efficiency >65% were achieved. Phytol-loaded SLN showed a dose-dependent cytotoxic effect in the HEK-293 cell line. The three tested formulations of phytol-loaded SLN considerably enhanced the minimal inhibitory concentration of phytol against 15 strains of Candida spp. Considering the clinical isolates, the formulations containing the highest phytol/TG1 ratios showed MICs at 100%. Thus, the feasibility and potential of phytol-loaded SLN was demonstrated in vitro, being a promising nanocarrier for phytol delivery from an anticandidal approach.
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23
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Sathya S, Manogari BG, Thamaraiselvi K, Vaidevi S, Ruckmani K, Devi KP. Phytol loaded PLGA nanoparticles ameliorate scopolamine-induced cognitive dysfunction by attenuating cholinesterase activity, oxidative stress and apoptosis in Wistar rat. Nutr Neurosci 2020; 25:485-501. [PMID: 32406811 DOI: 10.1080/1028415x.2020.1764290] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
OBJECTIVE Alzheimer's disease (AD) is an acquired neurological disorder of cognitive and behavioral impairments, with a long and progressive route. Currently, efforts are being made to develop potent drugs that target multiple pathological mechanisms that drive the successful treatment of AD in human beings. The development of nano-drug delivery systems has recently emerged as an effective strategy to treat AD. METHODS In the present study, the protective effect of Phytol and Phytol loaded Poly Lactic-co-Glycolic Acid nanoparticles (Phytol-PLGANPs) were evaluated in Wistar rat scopolamine model of AD. RESULTS AND DISCUSSION The consumption of Phytol and Phytol-PLGANPs significantly ameliorated the cognitive deficits caused by scopolamine on spatial and short term memory. Phytol and Phytol-PLGANPs significantly enhanced the cholinergic effect by inhibiting both acetylcholinesterase and butyrylcholinesterase (AChE & BuChE), β-secretase 1 (BACE1) activity, attenuating macromolecular damage, reducing reactive oxygen species (ROS) and reactive nitrogen species (RNS) level by activating antioxidative defense system (Superoxide dismutase and catalase) and restoring glutathione metabolizing enzyme systems (Glutathione S-transferase) and also regulating the apoptotic mediated cell death. Moreover, in vivo toxicity study suggests that Phytol and Phytol-PLGANPs did not cause any adverse pathological alteration in rats treated with a higher concentration of Phytol-PLGANPs (200 mg/kg). Pharmacokinetic study revealed that Phytol-PLGANPs enhanced the biodistribution and sustained the release profile of phytol in the brain and plasma. CONCLUSION Overall, the outcome of the study suggests that Phytol and Phytol-PLGANPs act as a potent candidate with better anti-amnesic effects and multi-faceted neuroprotective potential against scopolamine-induced memory dysfunction in Wistar rats.
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Affiliation(s)
- Sethuraman Sathya
- Department of Biotechnology, Alagappa University (Science Campus), Karaikudi, India
| | - Boovaragamoorthy Gowri Manogari
- Laboratory of Molecular Bioremediation and Nanotechnology, Department of Environmental Biotechnology, Bharathidasan University, Tiruchirappalli, India
| | - Kaliannan Thamaraiselvi
- Laboratory of Molecular Bioremediation and Nanotechnology, Department of Environmental Biotechnology, Bharathidasan University, Tiruchirappalli, India
| | - Sethuraman Vaidevi
- National Facility for Drug Development for Academia, Pharmaceutical and Allied Industries, Department of Pharmaceutical Technology, BIT Campus, Anna University, Tiruchirappalli
| | - Kandasamy Ruckmani
- National Facility for Drug Development for Academia, Pharmaceutical and Allied Industries, Department of Pharmaceutical Technology, BIT Campus, Anna University, Tiruchirappalli
| | - Kasi Pandima Devi
- Department of Biotechnology, Alagappa University (Science Campus), Karaikudi, India
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