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Gao M, Yang Z, Zhang Z, Chen L, Xu B. Nervous system exposure of different classes of nanoparticles: A review on potential toxicity and mechanistic studies. ENVIRONMENTAL RESEARCH 2024; 259:119473. [PMID: 38908667 DOI: 10.1016/j.envres.2024.119473] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/23/2024] [Revised: 06/17/2024] [Accepted: 06/19/2024] [Indexed: 06/24/2024]
Abstract
Nanoparticles (NPs) are generally defined as very small particles in the size range of 1-100 nm. Due to the rapid development of modern society, many new materials have been developed. The widespread use of NPs in medical applications, the food industry and the textile industry has led to an increase in NPs in the environment and the possibility of human contact, which poses a serious threat to human health. The nervous system plays a leading role in maintaining the integrity and unity of the body and maintaining a harmonious balance with the external environment. Therefore, based on two categories of organic and inorganic NPs, this paper systematically summarizes the toxic effects and mechanisms of NPs released into the nervous system. The results showed that exposure to NPs may damage the nervous system, decrease learning and cognitive ability, and affect embryonic development. Finally, a remediation scheme for NPs entering the body via the environment is also introduced. This scheme aims to reduce the neurotoxicity caused by NPs by supplementing NPs with a combination of antioxidant and anti-inflammatory compounds. The results provide a valuable reference for future research in this field.
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Affiliation(s)
- Mingyang Gao
- Department of Minimally Invasive Spine Surgery, Tianjin Hospital, Tianjin University, Tianjin, 300211, China; Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, 300072, China
| | - Ziye Yang
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, 300072, China; School of Environmental Science and Engineering, Tianjin University, Tianjin, 300072, China
| | - Zhen Zhang
- Department of Minimally Invasive Spine Surgery, Tianjin Hospital, Tianjin University, Tianjin, 300211, China
| | - Liqun Chen
- Academy of Medical Engineering and Translational Medicine, Tianjin University, Tianjin, 300072, China.
| | - Baoshan Xu
- Department of Minimally Invasive Spine Surgery, Tianjin Hospital, Tianjin University, Tianjin, 300211, China.
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Bellini C, Mancin F, Papini E, Tavano R. Nanotechnological Approaches to Enhance the Potential of α-Lipoic Acid for Application in the Clinic. Antioxidants (Basel) 2024; 13:706. [PMID: 38929145 PMCID: PMC11201002 DOI: 10.3390/antiox13060706] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2024] [Revised: 05/30/2024] [Accepted: 06/04/2024] [Indexed: 06/28/2024] Open
Abstract
α-lipoic acid is a naturally occurring compound with potent antioxidant properties that helps protect cells and tissues from oxidative stress. Its incorporation into nanoplatforms can affect factors like bioavailability, stability, reactivity, and targeted delivery. Nanoformulations of α-lipoic acid can significantly enhance its solubility and absorption, making it more bioavailable. While α-lipoic acid can be prone to degradation in its free form, encapsulation within nanoparticles ensures its stability over time, and its release in a controlled and sustained manner to the targeted tissues and cells. In addition, α-lipoic acid can be combined with other compounds, such as other antioxidants, drugs, or nanomaterials, to create synergistic effects that enhance their overall therapeutic benefits or hinder their potential cytotoxicity. This review outlines the advantages and drawbacks associated with the use of α-lipoic acid, as well as various nanotechnological approaches employed to enhance its therapeutic effectiveness, whether alone or in combination with other bioactive agents. Furthermore, it describes the engineering of α-lipoic acid to produce poly(α-lipoic acid) nanoparticles, which hold promise as an effective drug delivery system.
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Affiliation(s)
- Chiara Bellini
- Department of Biomedical Sciences, University of Padova, Via U. Bassi 58/b, 35121 Padova, Italy; (C.B.); (E.P.)
| | - Fabrizio Mancin
- Department of Chemical Sciences, University of Padova, Via F. Marzolo 1, 35121 Padova, Italy;
| | - Emanuele Papini
- Department of Biomedical Sciences, University of Padova, Via U. Bassi 58/b, 35121 Padova, Italy; (C.B.); (E.P.)
| | - Regina Tavano
- Department of Biomedical Sciences, University of Padova, Via U. Bassi 58/b, 35121 Padova, Italy; (C.B.); (E.P.)
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Shid-Moosavi TS, Mohammadi N, Gharamani Y, Motamedifar M, Alizadeh AA. Evaluating antimicrobial activity and cytotoxicity of silver nanoparticles incorporated into reinforced zinc oxide eugenol: an in vitro study. Eur Arch Paediatr Dent 2024; 25:443-450. [PMID: 38724869 DOI: 10.1007/s40368-024-00905-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 04/15/2024] [Indexed: 07/11/2024]
Abstract
PURPOSE This study aimed to evaluate the antibacterial and cytotoxic effects of reinforced zinc oxide-eugenol (rZOE) incorporated with different concentrations of silver nanoparticles (AgNPs). METHODS The pastes of rZOE alone or mixed with AgNPs at concentrations of 1%, 2%, and 5% of weight were prepared. In vitro antimicrobial activity of prepared materials against Streptococcus (S.) mutans and Lactobacillus (L.) acidophilus were evaluated after 2, 4, and 6 h of contact times using direct contact test (DCT) and also following 24 h incubation by well-diffusion test (WDT). The cytotoxicity of the tested materials on human dental pulp stem cells was also determined by MTT assay. RESULTS The DCT demonstrated that the time-dependent reductions of the colony numbers of both bacteria by three different concentrations of AgNPs incorporated into rZOE were equal but steeper than the rZOE alone (P < 0.05). The increases in growth inhibition zones of S. mutans and L. acidophilus were associated with the increasing concentration of AgNPs mixed with rZOE in the WDT; however, statistical analysis did not show any significant differences (P = 0.092). The MTT assay revealed a significantly lower percentage of cell viability after 1 day of culture only with the rZOE + AgNP5% in comparison to the rZOE alone (P = 0.011) and the control medium (P = 0.001). CONCLUSION Since the antimicrobial activities of three different concentrations of AgNPs incorporated into rZOE were equal and AgNPs had lower toxicity at lower concentrations, using AgNPs at 1% concentration is suggested to be mixed with rZOE.
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Affiliation(s)
- T S Shid-Moosavi
- Department of Pediatric Dentistry, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - N Mohammadi
- Department of Pediatric Dentistry, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran.
- Oral and Dental Disease Research Center, Shiraz Dental School, Shiraz University of Medical Sciences, Shiraz, Iran.
| | - Y Gharamani
- Department of Endodontics, School of Dentistry, Shiraz University of Medical Sciences, Shiraz, Iran
| | - M Motamedifar
- Shiraz HIV/AIDS Research Center, Institute of Health, Shiraz University of Medical Sciences, Shiraz, Iran
| | - A A Alizadeh
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Medical Sciences and Technologies, Shiraz University of Medical Sciences, Shiraz, Iran
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Xu H, Wang Y, Yu C, Han C, Cui H. Heparin-Modified Superparamagnetic Iron Oxide Nanoparticles Suppress Lithium Chloride/Pilocarpine-Induced Temporal Lobe Epilepsy in Rats through Attenuation of Inflammation and Oxidative Stress. ACS Chem Neurosci 2024; 15:1937-1947. [PMID: 38630556 DOI: 10.1021/acschemneuro.4c00188] [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: 04/19/2024] Open
Abstract
The development of antiepileptic drugs is still a long process. In this study, heparin-modified superparamagnetic iron oxide nanoparticles (UFH-SPIONs) were prepared, and their antiepileptic effect and underlying mechanism were investigated. UFH-SPIONs are stable, homogeneous nanosystems with antioxidant enzyme activity that are able to cross the blood-brain barrier (BBB) and enriched in hippocampal epileptogenic foci. The pretreatment with UFH-SPIONs effectively prolonged the onset of seizures and reduced seizure severity after lithium/pilocarpine (LP)-induced seizures in rats. The pretreatment with UFH-SPIONs significantly decreased the expression of inflammatory factors in hippocampal tissues, including IL-6, IL-1β, and TNF-α. LP-induced oxidative stress in hippocampal tissues was in turn reduced upon pretreatment with UFH-SPIONs, as evidenced by an increase in the levels of the antioxidant enzymes superoxide dismutase (SOD) and catalase (CAT) and a decrease in the level of lipid peroxidation (MDA). Moreover, the LP-induced upregulation of apoptotic cells was decreased upon pretreatment with UFH-SPIONs. Together, these observations suggest that the pretreatment with UFH-SPIONs ameliorates LP-induced seizures and downregulates the inflammatory response and oxidative stress, which exerts neuronal protection during epilepsy.
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Affiliation(s)
- Hanbing Xu
- Key Laboratory of Chemical Biology, Ministry of Education, Institute of Biochemical and Biotechnological Drugs, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Yubo Wang
- Key Laboratory of Chemical Biology, Ministry of Education, Institute of Biochemical and Biotechnological Drugs, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Congcong Yu
- Key Laboratory of Chemical Biology, Ministry of Education, Institute of Biochemical and Biotechnological Drugs, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Chunhong Han
- Key Laboratory of Chemical Biology, Ministry of Education, Institute of Biochemical and Biotechnological Drugs, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
| | - Huifei Cui
- Key Laboratory of Chemical Biology, Ministry of Education, Institute of Biochemical and Biotechnological Drugs, School of Pharmaceutical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
- National Glycoengineering Research Center, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
- Shandong Provincial Key Laboratory of Carbohydrate Chemistry and Glycobiology, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250012, China
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Peng Y, Chen Q, Xue YH, Jin H, Liu S, Du MQ, Yao SY. Ginkgo biloba and Its Chemical Components in the Management of Alzheimer's Disease. THE AMERICAN JOURNAL OF CHINESE MEDICINE 2024; 52:625-666. [PMID: 38654507 DOI: 10.1142/s0192415x24500277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/26/2024]
Abstract
The pathogenesis of Alzheimer's disease (AD), a degenerative disease of the central nervous system, remains unclear. The main manifestations of AD include cognitive and behavioral disorders, neuropsychiatric symptoms, neuroinflammation, amyloid plaques, and neurofibrillary tangles. However, current drugs for AD once the dementia stage has been reached only treat symptoms and do not delay progression, and the research and development of targeted drugs for AD have reached a bottleneck. Thus, other treatment options are needed. Bioactive ingredients derived from plants are promising therapeutic agents. Specifically, Ginkgo biloba (Gb) extracts exert anti-oxidant, anticancer, neuroplastic, neurotransmitter-modulating, blood fluidity, and anti-inflammatory effects, offering alternative options in the treatment of cardiovascular, metabolic, and neurodegenerative diseases. The main chemical components of Gb include flavonoids, terpene lactones, proanthocyanidins, organic acids, polysaccharides, and amino acids. Gb and its extracts have shown remarkable therapeutic effects on various neurodegenerative diseases, including AD, with few adverse reactions. Thus, high-quality Gb extracts are a well-established treatment option for AD. In this review, we summarize the insights derived from traditional Chinese medicine, experimental models, and emerging clinical trials on the role of Gb and its chemical components in the treatment of the main clinical manifestations of AD.
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Affiliation(s)
- Yong Peng
- Department of Neurology, Affiliated First Hospital of Hunan Traditional, Chinese Medical College, Zhuzhou, Hunan, P. R. China
- Department of Neurology, Affiliated Provincial Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, P. R. China
| | - Quan Chen
- Department of Neurology, Affiliated First Hospital of Hunan Traditional, Chinese Medical College, Zhuzhou, Hunan, P. R. China
- Department of Neurology, Affiliated Provincial Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, P. R. China
| | - Ya-Hui Xue
- Department of Neurology, Affiliated First Hospital of Hunan Traditional, Chinese Medical College, Zhuzhou, Hunan, P. R. China
- Department of Neurology, Affiliated Provincial Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, P. R. China
| | - Hong Jin
- Department of Neurology, Affiliated First Hospital of Hunan Traditional, Chinese Medical College, Zhuzhou, Hunan, P. R. China
- Department of Neurology, Affiliated Provincial Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, P. R. China
| | - Shu Liu
- Department of Neurology, Affiliated First Hospital of Hunan Traditional, Chinese Medical College, Zhuzhou, Hunan, P. R. China
- Department of Neurology, Affiliated Provincial Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, P. R. China
| | - Miao-Qiao Du
- Department of Neurology, Affiliated First Hospital of Hunan Traditional, Chinese Medical College, Zhuzhou, Hunan, P. R. China
- Department of Neurology, Affiliated Provincial Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, P. R. China
| | - Shun-Yu Yao
- Department of Neurology, Affiliated First Hospital of Hunan Traditional, Chinese Medical College, Zhuzhou, Hunan, P. R. China
- Department of Neurology, Affiliated Provincial Hospital of Hunan University of Chinese Medicine, Zhuzhou, Hunan, P. R. China
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Wendo JK, Mbaria JM, Nyariki JN, Isaac AO. Ginkgo biloba attenuated detrimental inflammatory and oxidative events due to Trypanosoma brucei rhodesiense in mice treated with melarsoprol. PLoS Negl Trop Dis 2024; 18:e0012103. [PMID: 38620045 PMCID: PMC11045140 DOI: 10.1371/journal.pntd.0012103] [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: 06/06/2023] [Revised: 04/25/2024] [Accepted: 03/25/2024] [Indexed: 04/17/2024] Open
Abstract
BACKGROUND The severe late stage Human African Trypanosomiasis (HAT) caused by Trypanosoma brucei rhodesiense (T.b.r) is characterized by damage to the blood brain barrier, severe brain inflammation, oxidative stress and organ damage. Melarsoprol (MelB) is currently the only treatment available for this disease. MelB use is limited by its lethal neurotoxicity due to post-treatment reactive encephalopathy. This study sought to assess the potential of Ginkgo biloba (GB), a potent anti-inflammatory and antioxidant, to protect the integrity of the blood brain barrier and ameliorate detrimental inflammatory and oxidative events due to T.b.r in mice treated with MelB. METHODOLOGY Group one constituted the control; group two was infected with T.b.r; group three was infected with T.b.r and treated with 2.2 mg/kg melarsoprol for 10 days; group four was infected with T.b.r and administered with GB 80 mg/kg for 30 days; group five was given GB 80mg/kg for two weeks before infection with T.b.r, and continued thereafter and group six was infected with T.b.r, administered with GB and treated with MelB. RESULTS Co-administration of MelB and GB improved the survival rate of infected mice. When administered separately, MelB and GB protected the integrity of the blood brain barrier and improved neurological function in infected mice. Furthermore, the administration of MelB and GB prevented T.b.r-induced microcytic hypochromic anaemia and thrombocytopenia, as well as T.b.r-driven downregulation of total WBCs. Glutathione analysis showed that co-administration of MelB and GB prevented T.b.r-induced oxidative stress in the brain, spleen, heart and lungs. Notably, GB averted peroxidation and oxidant damage by ameliorating T.b.r and MelB-driven elevation of malondialdehyde (MDA) in the brain, kidney and liver. In fact, the co-administered group for the liver, registered the lowest MDA levels for infected mice. T.b.r-driven elevation of serum TNF-α, IFN-γ, uric acid and urea was abrogated by MelB and GB. Co-administration of MelB and GB was most effective in stabilizing TNFα levels. GB attenuated T.b.r and MelB-driven up-regulation of nitrite. CONCLUSION Utilization of GB as an adjuvant therapy may ameliorate detrimental effects caused by T.b.r infection and MelB toxicity during late stage HAT.
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Affiliation(s)
- Janet Khatenje Wendo
- The University of Nairobi, Department of Public Health, Pharmacology and Toxicology, Kangemi (Nairobi), Kenya
- The Technical University of Kenya, Department of Pharmaceutical Sciences and Technology, Nairobi, Kenya
| | - James Mucunu Mbaria
- The University of Nairobi, Department of Public Health, Pharmacology and Toxicology, Kangemi (Nairobi), Kenya
| | - James Nyabuga Nyariki
- The Technical University of Kenya, Department of Biochemistry and Biotechnology, Nairobi, Kenya
| | - Alfred Orina Isaac
- The Technical University of Kenya, Department of Pharmaceutical Sciences and Technology, Nairobi, Kenya
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Njoku CA, Ileola-Gold AV, Adelaja UA, Ikeji CN, Owoeye O, Adedara IA, Farombi EO. Amelioration of neurobehavioral, biochemical, and morphological alterations associated with silver nanoparticles exposure by taurine in rats. J Biochem Mol Toxicol 2023; 37:e23457. [PMID: 37437208 DOI: 10.1002/jbt.23457] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2023] [Revised: 05/18/2023] [Accepted: 07/04/2023] [Indexed: 07/14/2023]
Abstract
The adverse effect of silver nanoparticles (AgNPs) on the nervous system is an emerging concern of public interest globally. Taurine, an essential amino acid required for neurogenesis in the nervous system, is well-documented to possess antioxidant, anti-inflammatory, and antiapoptotic activities. Yet, there is no report in the literature on the effect of taurine on neurotoxicity related to AgNPs exposure. Here, we investigated the neurobehavioral and biochemical responses associated with coexposure to AgNPs (200 µg/kg body weight) and taurine (50 and 100 mg/kg body weight) in rats. Locomotor incompetence, motor deficits, and anxiogenic-like behavior induced by AgNPs were significantly alleviated by both doses of taurine. Taurine administration enhanced exploratory behavior typified by increased track plot densities with diminished heat maps intensity in AgNPs-treated rats. Biochemical data indicated that the reduction in cerebral and cerebellar acetylcholinesterase activity, antioxidant enzyme activities, and glutathione level by AgNPs treatment were markedly upturned by both doses of taurine. The significant abatement in cerebral and cerebellar oxidative stress indices namely reactive oxygen and nitrogen species, hydrogen peroxide, and lipid peroxidation was evident in rats cotreated with AgNPs and taurine. Further, taurine administration abated nitric oxide and tumor necrosis factor-alpha levels cum myeloperoxidase and caspase-3 activities in AgNPs-treated rats. Amelioration of AgNPs-induced neurotoxicity by taurine was confirmed by histochemical staining and histomorphometry. In conclusion, taurine via attenuation of oxido-inflammatory stress and caspase-3 activation protected against neurotoxicity induced by AgNPs in rats.
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Affiliation(s)
- Chiwueze A Njoku
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Ayomitan V Ileola-Gold
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Uthman A Adelaja
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Cynthia N Ikeji
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Olatunde Owoeye
- Department of Anatomy, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Isaac A Adedara
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
| | - Ebenezer O Farombi
- Drug Metabolism and Toxicology Research Laboratories, Department of Biochemistry, College of Medicine, University of Ibadan, Ibadan, Nigeria
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Ma Y, Yi J, Ma J, Yu H, Luo L, Wu W, Jin L, Yang Q, Lou T, Sun D, Cao M. Hand Sanitizer Gels: Classification, Challenges, and the Future of Multipurpose Hand Hygiene Products. TOXICS 2023; 11:687. [PMID: 37624192 PMCID: PMC10459210 DOI: 10.3390/toxics11080687] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Revised: 08/02/2023] [Accepted: 08/08/2023] [Indexed: 08/26/2023]
Abstract
Hand hygiene is a crucial measure in the prevention and control of infections, and there is a growing awareness among individuals who are making a conscious effort to maintain hand cleanliness. With the advent of the SARS-CoV-2 outbreak, the demand for hand hygiene products has also gradually shifted towards those with antimicrobial properties. Among these products, hand sanitizer gels (HSGs) have gained considerable popularity as an efficient method of hand cleaning, due to their rapid drying and sustained antimicrobial efficacy. Concurrently, there has been a growing interest in novel HSGs that offer additional functions such as skin whitening, moisturizing, and anti-inflammatory effects. These novel HSGs effectively address concerns associated with the ingestion of antimicrobial ingredients and demonstrate reduced skin irritation, thereby alleviating hand dermatological issues. This review provides an extensive overview of the application scenarios, classification, and challenges associated with HSGs while emphasizing the emergence of novel components with biological functions, aiming to contribute to the advancement of hand hygiene practices and offer novel insights for the development of novel HSGs with outstanding antimicrobial properties with other multiple biological functions and desirable biosafety profiles.
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Affiliation(s)
- Yilei Ma
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou 325035, China
| | - Jia Yi
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou 325035, China
| | - Jiahui Ma
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou 325035, China
| | - Haiyang Yu
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou 325035, China
| | - Li Luo
- Affiliated Dongguan Hospital, Southern Medical University, Dongguan 523059, China
| | - Wei Wu
- Bioengineering College of Chongqing University, Chongqing 400044, China
| | - Libo Jin
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou 325035, China
| | - Qinsi Yang
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou 325000, China
| | - Ting Lou
- Yiwu Center for Disease Control and Prevention, Yiwu 322000, China;
| | - Da Sun
- Institute of Life Sciences & Biomedical Collaborative Innovation Center of Zhejiang Province, Wenzhou University, Wenzhou 325035, China
| | - Min Cao
- The Quzhou Affiliated Hospital of Wenzhou Medical University, Quzhou People’s Hospital, Quzhou 324000, China
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Cary C, Stapleton P. Determinants and mechanisms of inorganic nanoparticle translocation across mammalian biological barriers. Arch Toxicol 2023; 97:2111-2131. [PMID: 37303009 PMCID: PMC10540313 DOI: 10.1007/s00204-023-03528-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Accepted: 05/22/2023] [Indexed: 06/13/2023]
Abstract
Biological barriers protect delicate internal tissues from exposures to and interactions with hazardous materials. Primary anatomical barriers prevent external agents from reaching systemic circulation and include the pulmonary, gastrointestinal, and dermal barriers. Secondary barriers include the blood-brain, blood-testis, and placental barriers. The tissues protected by secondary barriers are particularly sensitive to agents in systemic circulation. Neurons of the brain cannot regenerate and therefore must have limited interaction with cytotoxic agents. In the testis, the delicate process of spermatogenesis requires a specific milieu distinct from the blood. The placenta protects the developing fetus from compounds in the maternal circulation that would impair limb or organ development. Many biological barriers are semi-permeable, allowing only materials or chemicals, with a specific set of properties, that easily pass through or between cells. Nanoparticles (particles less than 100 nm) have recently drawn specific concern due to the possibility of biological barrier translocation and contact with distal tissues. Current evidence suggests that nanoparticles translocate across both primary and secondary barriers. It is known that the physicochemical properties of nanoparticles can affect biological interactions, and it has been shown that nanoparticles can breach primary and some secondary barriers. However, the mechanism by which nanoparticles cross biological barriers has yet to be determined. Therefore, the purpose of this review is to summarize how different nanoparticle physicochemical properties interact with biological barriers and barrier products to govern translocation.
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Affiliation(s)
- Chelsea Cary
- Department of Pharmacology and Toxicology, Rutgers University, Piscataway, NJ, 08854, USA
| | - Phoebe Stapleton
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Environmental and Occupational Health Sciences Institute, Rutgers University, 170 Frelinghuysen Road, Piscataway, NJ, 08854, USA.
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10
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Li Y, Liu T, Li X, Yang M, Liu T, Bao J, Jiang M, Hu L, Wang Y, Shao P, Jiang J. Combined surface functionalization of MSC membrane and PDA inhibits neurotoxicity induced by Fe 3O 4 in mice based on apoptosis and autophagy through the ASK1/JNK signaling pathway. Aging (Albany NY) 2023; 15:6933-6949. [PMID: 37470690 PMCID: PMC10415563 DOI: 10.18632/aging.204884] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Accepted: 06/23/2023] [Indexed: 07/21/2023]
Abstract
The extensive utilization of iron oxide nanoparticles in medical and life science domains has led to a substantial rise in both occupational and public exposure to these particles. The potential toxicity of nanoparticles to living organisms, their impact on the environment, and the associated risks to human health have garnered significant attention and come to be a prominent area in contemporary research. The comprehension of the potential toxicity of nanoparticles has emerged as a crucial concern to safeguard human health and facilitate the secure advancement of nanotechnology. As nanocarriers and targeting agents, the biocompatibility of them determines the use scope and application prospects, meanwhile surface modification becomes an important measure to improve the biocompatibility. Three different types of iron oxide nanoparticles (Fe3O4, Fe3O4@PDA and MSCM-Fe3O4@PDA) were injected into mice through the tail veins. The acute neurotoxicity of them in mice was evaluated by measuring the levels of autophagy and apoptosis in the brain tissues. Our data revealed that iron oxide nanoparticles could cause nervous system damage by regulating the ASK1/JNK signaling pathway. Apoptosis and autophagy may play potential roles in this process. Exposure to combined surface functionalization of mesenchymal stem cell membrane and polydopamine showed the neuroprotective effect and may alleviate brain nervous system disorders.
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Affiliation(s)
- Yang Li
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
| | - Te Liu
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
- Yibin Jilin University Research Institute, Jilin University, Yibin, Sichuan, China
| | - Xiuying Li
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
| | - Modi Yang
- Department of Orthopeadics, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
| | - Tianxin Liu
- Jilin University School of Public Health, Changchun, Jilin, China
| | - Jindian Bao
- Jilin University School of Public Health, Changchun, Jilin, China
| | - Miao Jiang
- Jilin University School of Public Health, Changchun, Jilin, China
| | - Lingling Hu
- Jilin University School of Public Health, Changchun, Jilin, China
| | - Yuzhuo Wang
- Department of Orthodontics, School and Hospital of Stomatology, Jilin University, Changchun, Jilin, China
| | - Pu Shao
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
- Department of Orthopeadics, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
| | - Jinlan Jiang
- Scientific Research Center, China-Japan Union Hospital of Jilin University, Changchun, Jilin, China
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Weli SHW, Yahyazadeh A. Neuroprotective potential of Ginkgo biloba on alteration of rat cerebellum following prenatal exposure to cyclophosphamide. J Chem Neuroanat 2023; 130:102268. [PMID: 36989922 DOI: 10.1016/j.jchemneu.2023.102268] [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: 12/13/2022] [Revised: 03/05/2023] [Accepted: 03/24/2023] [Indexed: 03/29/2023]
Abstract
The cytotoxicity of chemotherapeutic drugs is known due to its non-selective effect not only on cancer cells but also on healthy cells. This study investigated the cerebellar alteration in rats prenatally exposed to cyclophosphamide (SK, 20 mg/kg). We also evaluated the neuroprotective potential of Ginkgo biloba (GB, 80 mg/kg/day) against possible biological changes caused by SK in the cerebellar tissues. Twenty adult female rats (weighing 230-280 g, 12 weeks old) were divided into five groups: control, sham, SK, GB, and SK + GB. After mating, pregnant rats was treated with SK in the SK and SK + GB groups and GB in the GB and SK + GB groups from day 13 to day 21 of gestation. After parturition, eight female rats were randomly selected from each group. On day 32 after birth, the cerebellar tissues were dissected and then examined under light microscope using stereological and histopathological methods. Stereological findings showed that the total number of Purkinje cells and granular cells were significantly decreased in the SK group than the control group (p < 0.05). In addition, the mean volumes of molecular layer, granular layer, white matter, and cerebellum were significantly decreased in the SK group compared to the control group (p < 0.05). In the SK + GB group, the total number Purkinje cell, and granular cells, as well as the mean volumes of molecular layer, granular layer, white matter, and cerebellum were significantly increased than the SK group (p < 0.05). Histopathological evaluation also confirmed our stereological findings in the cerebellar tissues. Our results showed that prenatal exposure to SK caused significant changes in the cerebellar architectures of rats, and that GB administration significantly attenuated the deleterious effect of SK on the cerebellar tissues.
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Affiliation(s)
| | - Ahmad Yahyazadeh
- Department of Histology and Embryology, Faculty of Medicine, Karabuk University, Karabuk, Turkey.
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12
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Afkhami F, Forghan P, Gutmann JL, Kishen A. Silver Nanoparticles and Their Therapeutic Applications in Endodontics: A Narrative Review. Pharmaceutics 2023; 15:715. [PMID: 36986576 PMCID: PMC10052550 DOI: 10.3390/pharmaceutics15030715] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 02/07/2023] [Accepted: 02/07/2023] [Indexed: 02/25/2023] Open
Abstract
The efficient elimination of microorganisms and their byproducts from infected root canals is compromised by the limitations in conventional root canal disinfection strategies and antimicrobials. Silver nanoparticles (AgNPs) are advantageous for root canal disinfection, mainly due to their wide-spectrum anti-microbial activity. Compared to other commonly used nanoparticulate antibacterials, AgNPs have acceptable antibacterial properties and relatively low cytotoxicity. Owing to their nano-scale, AgNPs penetrate deeper into the complexities of the root canal systems and dentinal tubules, as well as enhancing the antibacterial properties of endodontic irrigants and sealers. AgNPs gradually increase the dentin hardness in endodontically treated teeth and promote antibacterial properties when used as a carrier for intracanal medication. The unique properties of AgNPs make them an ideal additive for different endodontic biomaterials. However, the possible side effects of AgNPs, such as cytotoxicity and tooth discoloration potential, merits further research.
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Affiliation(s)
- Farzaneh Afkhami
- Department of Endodontics, School of Dentistry, Tehran University of Medical Sciences, Tehran 1439955991, Iran
| | - Parisa Forghan
- School of Dentistry, Tehran University of Medical Sciences, Tehran 1894787545, Iran
| | - James L. Gutmann
- Department of Endodontics, College of Dentistry, Texas A&M University, Dallas, TX 75246, USA
| | - Anil Kishen
- Faculty of Dentistry, University of Toronto, Toronto, ON M5G 1G6, Canada
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13
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Osman AS, Abu-Risha SE, Bakr SM, Altyar AE, Fayad E, El-Sawi MR, El-Kholy WM. Comparative study between effects of ginkgo biloba extract and extract loaded on gold nanoparticles on hepatotoxicity induced by potassium bromate. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:5027-5036. [PMID: 35978237 DOI: 10.1007/s11356-022-22324-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/06/2022] [Accepted: 07/27/2022] [Indexed: 06/15/2023]
Abstract
In human organs, potassium bromate (KBrO3) produces toxicity. The main causes of KBrO3 hepatotoxicity are the formation of reactive oxygen species (ROS) and DNA damage. The purpose of this study is to show how ginkgo biloba extract (GBE) and extract loaded with nanogold particles (GBE@AuNPs) affect hepatotoxicity caused by KBrO3. The rats were separated into eight groups: control (group I), GBE (group II), AuNPs (group III), GBE@AuNPs (group IV), KBrO3 (group V), KBrO3 and GBE (group VI), KBrO3 and AuNPS (group VII), and KBrO3 and GBE@AuNPs (group VIII). KBrO3 generated DNA damage spots in a comet assay, which were associated with increased inflammatory indicators (IL-6), decreased anti-apoptotic Bcl-2, and increased apoptotic markers (Bax and caspase-3). The inflammatory, apoptotic, and ultrastructural alterations in liver tissue produced by KBrO3 were reduced in treated groups VI, VII, or VIII. The hepatotoxic effects of KBrO3 were reduced when GBE, AuNPs, or GBE@AuNPs were used; the particular GBE@AuNPs were the most effective.
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Affiliation(s)
- Amr S Osman
- Department of Zoology, Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Sally E Abu-Risha
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Samaa M Bakr
- Department of Zoology, Faculty of Science, Kafr El-Sheikh University, Kafr El-sheikh, Egypt
| | - Ahmed E Altyar
- Department of Pharmacy Practice, Faculty of Pharmacy, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Eman Fayad
- Department of Biotechnology, Faculty of Sciences, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia.
| | - Mamdouh R El-Sawi
- Department of Zoology, Faculty of Science, Mansoura University, Mansoura, Egypt
| | - Wafaa M El-Kholy
- Department of Zoology, Faculty of Science, Mansoura University, Mansoura, Egypt
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14
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Luo X, Xie D, Wu T, Xu W, Meng Q, Cao K, Hu J. Evaluation of the protective roles of alpha-lipoic acid supplementation on nanomaterial-induced toxicity: A meta-analysis of in vitro and in vivo studies. Front Nutr 2022; 9:991524. [PMID: 36147302 PMCID: PMC9486203 DOI: 10.3389/fnut.2022.991524] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 08/17/2022] [Indexed: 01/02/2023] Open
Abstract
Extensive exposure to nanomaterials causes oxidative stress and inflammation in various organs and leads to an increased risk of adverse health outcomes; therefore, how to prevent the toxic effects are of great concern to human. Alpha-lipoic acid (ALA) has anti-oxidant and anti-inflammatory activities, suggesting it may be effective to prevent nanomaterial-induced toxicity. However, the results obtained in individual studies remained controversial. We aimed to comprehensively evaluate the effects of ALA supplementation on nanomaterial-induced toxicity by performing a meta-analysis. Databases of PubMed, EMBASE, and Cochrane Library were searched up to May 2022. STATA 15.0 software was used for statistical analysis. Twelve studies were included. Meta-analysis of eight in vivo studies showed ALA supplementation could exert significant effects on nanomaterial-induced oxidative stress (by reducing MDA, ROS and increasing GSH, CAT, GPx, and SOD), inflammation (by downregulating NO, IgG, TNF-α, IL-6, and CRP), apoptosis (by activation of pro-apoptotic caspase-3), DNA damage (by a reduction in the tail length) and organ damage (by a decrease in the liver biomarker ALT and increases in brain neuron biomarker AChE and heart biomarker CPK). Pooled analysis of four in vitro studies indicated ALA intervention increased cell viability, decreased ROS levels, inhibited cell apoptosis and chelated metal ions. Subgroup analyses revealed changing the levels of GSH, IL-6, and metal ions were the main protective mechanisms of ALA supplementation because they were not changed by any subgroup factors. In conclusion, ALA supplementation may represent a potential strategy for the prevention of the toxicity induced by nanomaterials.
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Affiliation(s)
- Xiaogang Luo
- College of Textile and Clothing Engineering, Soochow University, Suzhou, China
- *Correspondence: Xiaogang Luo,
| | - Dongli Xie
- College of Textile and Clothing Engineering, Soochow University, Suzhou, China
| | - Tong Wu
- Shanghai Jing Rui Yang Industrial Co., Ltd, Shanghai, China
| | - Wei Xu
- Shanghai Nutri-woods Bio-Technology Co., Ltd, Shanghai, China
| | - Qingyang Meng
- Shanghai Pechoin Daily Chemical Co., Ltd, Shanghai, China
| | - Kangli Cao
- Shanghai Institute of Spacecraft Equipment, Shanghai, China
| | - Jianchen Hu
- College of Textile and Clothing Engineering, Soochow University, Suzhou, China
- Jianchen Hu,
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15
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Re DB, Yan B, Calderón-Garcidueñas L, Andrew AS, Tischbein M, Stommel EW. A perspective on persistent toxicants in veterans and amyotrophic lateral sclerosis: identifying exposures determining higher ALS risk. J Neurol 2022; 269:2359-2377. [PMID: 34973105 PMCID: PMC9021134 DOI: 10.1007/s00415-021-10928-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 11/30/2021] [Accepted: 12/01/2021] [Indexed: 02/07/2023]
Abstract
Multiple studies indicate that United States veterans have an increased risk of developing amyotrophic lateral sclerosis (ALS) compared to civilians. However, the responsible etiological factors are unknown. In the general population, specific occupational (e.g. truck drivers, airline pilots) and environmental exposures (e.g. metals, pesticides) are associated with an increased ALS risk. As such, the increased prevalence of ALS in veterans strongly suggests that there are exposures experienced by military personnel that are disproportionate to civilians. During service, veterans may encounter numerous neurotoxic exposures (e.g. burn pits, engine exhaust, firing ranges). So far, however, there is a paucity of studies investigating environmental factors contributing to ALS in veterans and even fewer assessing their exposure using biomarkers. Herein, we discuss ALS pathogenesis in relation to a series of persistent neurotoxicants (often emitted as mixtures) including: chemical elements, nanoparticles and lipophilic toxicants such as dioxins, polycyclic aromatic hydrocarbons and polychlorinated biphenyls. We propose these toxicants should be directly measured in veteran central nervous system tissue, where they may have accumulated for decades. Specific toxicants (or mixtures thereof) may accelerate ALS development following a multistep hypothesis or act synergistically with other service-linked exposures (e.g. head trauma/concussions). Such possibilities could explain the lower age of onset observed in veterans compared to civilians. Identifying high-risk exposures within vulnerable populations is key to understanding ALS etiopathogenesis and is urgently needed to act upon modifiable risk factors for military personnel who deserve enhanced protection during their years of service, not only for their short-term, but also long-term health.
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Affiliation(s)
- Diane B Re
- Department of Environmental Health Science, Center for Motor Neuron Biology and Disease, Columbia University, New York, NY, USA
| | - Beizhan Yan
- Department of Geochemistry, Lamont-Doherty Earth Observatory of Columbia University, Palisades, NY, USA
| | - Lilian Calderón-Garcidueñas
- Department Biomedical Sciences, College of Health, University of Montana, Missoula, MT, USA
- Universidad del Valle de México, Mexico City, Mexico
| | - Angeline S Andrew
- Department of Neurology, Geisel School of Medicine at Dartmouth, Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA
| | - Maeve Tischbein
- Department of Neurology, Geisel School of Medicine at Dartmouth, Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA
| | - Elijah W Stommel
- Department of Neurology, Geisel School of Medicine at Dartmouth, Dartmouth-Hitchcock Medical Center, Lebanon, NH, USA.
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16
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Tohamy HG, Lebda MA, Sadek KM, Elfeky MS, El-Sayed YS, Samak DH, Hamed HS, Abouzed TK. Biochemical, molecular and cytological impacts of alpha-lipoic acid and Ginkgo biloba in ameliorating testicular dysfunctions induced by silver nanoparticles in rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:38198-38211. [PMID: 35067888 DOI: 10.1007/s11356-021-18441-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 12/28/2021] [Indexed: 06/14/2023]
Abstract
Silver nanoparticles (AgNPs) are commonly utilized in medicine. However, they have negative effects on the majority of organs, including the reproductive system. AgNPs were reported to be able to reach the testicular tissues due to their nano size, which allows them to pass through blood-testicular barriers. The goal of this study was to see if alpha-lipoic acid (LA) or Ginkgo biloba (GB) might protect adult rat testes after intraperitoneal injection of AgNPs. Forty male healthy adult Wister albino rats were randomly assigned to four groups: control, AgNPs-intoxicated group intraperitoneally injected AgNPs 50 mg/kg b.w, 3 times a week; LA + AgNPs group intoxicated with AgNPs and orally gavaged with 100 mg LA/kg b.w; and GB + AgNPs group injected with AgNPs and orally given GB extract 120 mg/kg b.w for 30 consecutive days. Biochemical changes (testosterone, ACP, and prostatic acid phosphatase), oxidative indices, mRNA expression of proapoptotic (BAX) and anti-apoptotic (BCL-2) biomarkers, histological, and immunohistochemical changes in testicular tissues were investigated. Significant decrease in serum testosterone level and elevation in ACP and PACP enzyme activity in AgNPs-treated rats. As well, there were lowering in tGSH, GSH GR, GPx, and elevation in MDA and GSSG values. AgNPs-exposed rats expressed downregulation of testicular thirodexin-1 (Txn-1), transforming growth factor-1β (TGF-1β), anti-apoptotic (BCL-2), and upregulaion of proapoptotic biomarkers (BAX) mRNA expressions. Strong positive action to BAX and lowering the action of Ki-67 antibody were observed. Because of their antioxidant, anti-inflammatory, and anti-apoptotic properties, cotreatment with LA or GB could be beneficial in reducing the harmful effects of AgNPs on the testicles.
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Affiliation(s)
- Hossam G Tohamy
- Department of Pathology, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Mohamed A Lebda
- Department of Biochemistry, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Kadry M Sadek
- Department of Biochemistry, Faculty of Veterinary Medicine, Damanhur University, Damanhour, 22511, Egypt.
| | - Mohamed S Elfeky
- Department of Biochemistry, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Yasser S El-Sayed
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Damanhur University, Damanhour, 22511, Egypt
| | - Dalia H Samak
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Damanhur University, Damanhour, 22511, Egypt
| | - Heba S Hamed
- Department of Zoology, Faculty of Women for Arts, Science and Education, Ain Shams University, Cairo, 11757, Egypt
| | - Tarek K Abouzed
- Department of Biochemistry, Faculty of Veterinary Medicine, Kafr Elsheikh University, Kafr Elsheikh, Egypt
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17
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Abu-Taweel GM, Al-Mutary MG, Albetran HM. Yttrium Oxide Nanoparticles Moderate the Abnormal Cognitive Behaviors in Male Mice Induced by Silver Nanoparticles. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:9059371. [PMID: 35528526 PMCID: PMC9072030 DOI: 10.1155/2022/9059371] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/28/2021] [Revised: 03/15/2022] [Accepted: 04/01/2022] [Indexed: 11/17/2022]
Abstract
Silver nanoparticles (Ag-NPs) have been used in medical, agricultural, and industrial purposes. Furthermore, NPs can cross the blood-brain barrier and encourage some effects on spatial learning and memory in organism. Here, we investigate the possible neurotoxicity of Ag-NPs with special emphasis on the neuroprotective impacts of yttrium-oxide nanoparticles (YO-NPs) in male mice. Male mice (n = 24) were weekly intraperitoneally injected for 35 days as the following; groups I, II, III, and IV received tap water (control), Ag-NPs (40 mg/kg), YO-NPs (40 mg/kg), and Ag-NPs/YO-NPs (40 mg/kg each), respectively. After that, animals were tested in shuttle box, Morris water-maze, and T-maze devices to evaluate the spatial learning and memory competence. Neurotransmitters and oxidative indices in the forebrain were estimated. According to behavioral studies, the male animals from the Ag-NP group presented worse memory than those in the control group. The biochemical changes after Ag-NP exposure were observed through increasing TBARS levels and decline in oxidative biomarkers (SOD, CAT, GST, and GSH) and neurotransmitters (DOP, SER, and AChE) in the forebrain of male mice compared to untreated animals. Interestingly, the animals treated with mixed doses of Ag-NPs and YO-NPs displayed improvements in behavioral tests, oxidative parameters, and neurotransmitters compared to males treated with Ag-NPs alone. In conclusion, the abnormal behavior related to learning and memory in male mice induced by Ag-NPs was significantly alleviated by YO-NPs. Specifically, the coinjection of YO-NPs with Ag-NPs moderates the disruption in neurotransmitters, oxidative indices of mice brains, which reflects on their cognitive behaviors.
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Affiliation(s)
- Gasem Mohammad Abu-Taweel
- Department of Biology, College of Sciences, Jazan University, P.O. Box 2079, Jazan 45142, Saudi Arabia
| | - Mohsen Ghaleb Al-Mutary
- Department of Biology, College of Science, Imam Abdulrahman Bin Faisal University, P. O. Box 383, Dammam 31113, Saudi Arabia
- Basic and Applied Scientific Research Center (BASRC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
| | - Hani Manssor Albetran
- Basic and Applied Scientific Research Center (BASRC), Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
- Department of Physics, College of Science, Imam Abdulrahman Bin Faisal University, P.O. Box 1982, Dammam 31441, Saudi Arabia
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18
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Wang LM, Wang YT, Yang WX. Engineered nanomaterials induce alterations in biological barriers: focus on paracellular permeability. Nanomedicine (Lond) 2021; 16:2725-2741. [PMID: 34870452 DOI: 10.2217/nnm-2021-0165] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Engineered nanoparticles (ENPs) are widely used in medical diagnosis and treatment, as food additives and as energy materials. ENPs may exert adverse or beneficial effects on the human body, which may be linked to interactions with biological barriers. In this review, the authors summarize the influences of four typical metal/metal oxide nanomaterials (Ag, TiO2, Au, ZnO nanoparticles) on the paracellular permeability of biological barriers. Disruptions on tight junctions, adhesion junctions, gap junctions and desmosomes via complex signaling pathways, such as the MAPK, PKC and ROCK signaling pathways, affect paracellular permeability. Reactive oxygen species and cytokines underlie the mechanism of ENP-triggered alterations in paracellular permeability. This review provides the information necessary for the cautious application of nanoparticles in medicine and life sciences in the future.
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Affiliation(s)
- Lan-Min Wang
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, 310058, PR China
| | - Yu-Ting Wang
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, 310058, PR China
| | - Wan-Xi Yang
- The Sperm Laboratory, College of Life Sciences, Zhejiang University, Hangzhou, 310058, PR China
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19
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Mihailovic V, Katanic Stankovic JS, Selakovic D, Rosic G. An Overview of the Beneficial Role of Antioxidants in the Treatment of Nanoparticle-Induced Toxicities. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:7244677. [PMID: 34820054 PMCID: PMC8608524 DOI: 10.1155/2021/7244677] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Accepted: 10/26/2021] [Indexed: 12/20/2022]
Abstract
Nanoparticles (NPs) are used in many products and materials for humans such as electronics, in medicine for drug delivery, as biosensors, in biotechnology, and in agriculture, as ingredients in cosmetics and food supplements. Besides that, NPs may display potentially hazardous properties on human health and the environment as a consequence of their abundant use in life nowadays. Hence, there is increased interest of researchers to provide possible therapeutic agents or dietary supplements for the amelioration of NP-induced toxicity. This review summarizes the new findings in the research of the use of antioxidants as supplements for the prevention and alleviation of harmful effects caused by exposure of organisms to NPs. Also, mechanisms involved in the formation of NP-induced oxidative stress and protective mechanisms using different antioxidant substances have also been elaborated. This review also highlights the potential of naturally occurring antioxidants for the enhancement of the antioxidant defense systems in the prevention and mitigation of organism damage caused by NP-induced oxidative stress. Based on the presented results of the most recent studies, it may be concluded that the role of antioxidants in the prevention and treatment of nanoparticle-induced toxicity is unimpeachable. This is particularly important in terms of oxidative stress suppression.
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Affiliation(s)
- Vladimir Mihailovic
- University of Kragujevac, Faculty of Science, Department of Chemistry, Radoja Domanovica 12, 34000 Kragujevac, Serbia
| | - Jelena S. Katanic Stankovic
- University of Kragujevac, Institute for Information Technologies Kragujevac, Department of Science, Jovana Cvijica bb, 34000 Kragujevac, Serbia
| | - Dragica Selakovic
- University of Kragujevac, Faculty of Medical Sciences, Department of Physiology, Svetozara Markovica 69, 34000 Kragujevac, Serbia
| | - Gvozden Rosic
- University of Kragujevac, Faculty of Medical Sciences, Department of Physiology, Svetozara Markovica 69, 34000 Kragujevac, Serbia
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20
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Mihailovic V, Katanic Stankovic JS, Selakovic D, Rosic G. An Overview of the Beneficial Role of Antioxidants in the Treatment of Nanoparticle-Induced Toxicities. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021. [DOI: https://doi.org/10.1155/2021/7244677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Nanoparticles (NPs) are used in many products and materials for humans such as electronics, in medicine for drug delivery, as biosensors, in biotechnology, and in agriculture, as ingredients in cosmetics and food supplements. Besides that, NPs may display potentially hazardous properties on human health and the environment as a consequence of their abundant use in life nowadays. Hence, there is increased interest of researchers to provide possible therapeutic agents or dietary supplements for the amelioration of NP-induced toxicity. This review summarizes the new findings in the research of the use of antioxidants as supplements for the prevention and alleviation of harmful effects caused by exposure of organisms to NPs. Also, mechanisms involved in the formation of NP-induced oxidative stress and protective mechanisms using different antioxidant substances have also been elaborated. This review also highlights the potential of naturally occurring antioxidants for the enhancement of the antioxidant defense systems in the prevention and mitigation of organism damage caused by NP-induced oxidative stress. Based on the presented results of the most recent studies, it may be concluded that the role of antioxidants in the prevention and treatment of nanoparticle-induced toxicity is unimpeachable. This is particularly important in terms of oxidative stress suppression.
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Affiliation(s)
- Vladimir Mihailovic
- University of Kragujevac, Faculty of Science, Department of Chemistry, Radoja Domanovica 12, 34000 Kragujevac, Serbia
| | - Jelena S. Katanic Stankovic
- University of Kragujevac, Institute for Information Technologies Kragujevac, Department of Science, Jovana Cvijica bb, 34000 Kragujevac, Serbia
| | - Dragica Selakovic
- University of Kragujevac, Faculty of Medical Sciences, Department of Physiology, Svetozara Markovica 69, 34000 Kragujevac, Serbia
| | - Gvozden Rosic
- University of Kragujevac, Faculty of Medical Sciences, Department of Physiology, Svetozara Markovica 69, 34000 Kragujevac, Serbia
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21
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Raeisi Estabragh MA, Pardakhty A, Ahmadzadeh S, Dabiri S, Malekpour Afshar R, Farajli Abbasi M. Successful Application of Alpha Lipoic Acid Niosomal Formulation in Cerebral Ischemic Reperfusion Injury in Rat Model. Adv Pharm Bull 2021; 12:541-549. [PMID: 35935040 PMCID: PMC9348526 DOI: 10.34172/apb.2022.058] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2021] [Revised: 08/31/2021] [Accepted: 09/11/2021] [Indexed: 11/16/2022] Open
Abstract
Purpose: Free radicals such as hydroxyl and peroxide are contributing factors to neuronal destruction in cerebral ischemia. Alpha-lipoic acid (ALA) is one of the potent known antioxidants. Preparation of ALA niosomes allows IV injection and can increase bioavailability and penetration into the central nervous system (CNS).
Methods: Film hydration method was used to prepare different niosomes composed of Span®, Tween®, and cholesterol at different molar ratio. ALA and niosome-forming compounds were dissolved in chloroform, before removing the organic solvent by rotary evaporator. Animals were randomly divided into four groups: Sham, control group, intravenous (IV) injection of empty niosomes plus intraperitoneal (IP) injection of ALA solution, and finally, IV injection of ALA niosomes. Rats were subjected to deep anesthesia before inducing cerebral ischemia, then, their internal common carotid arteries were clamped for 15 min and reperfusion was done for 30 min. Niosomal ALA was injected intravenously just before declamping.
Results: Mean volume diameter of the prepared niosomes was between 4.36 ± 0.82 and 19.95 ± 1.21 μm in different formulations. Encapsulation efficiency percent (EE%) of ALA in the selected formulation, Span60/Tween60/cholesterol (35:35:30 molar ratio), was 94.5 ± 0.2, and 59.27 ± 5.61% of ALA was released after 4h. In the niosomal group, the rate of reduction in complications of cerebral ischemia such as histopathologic changes and acute damage (from score 3 to 1) in CNS was higher than other groups.
Conclusion: The obtained results show that niosomes can be used as effective drug delivery systems for ALA in cerebral ischemia.
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Affiliation(s)
- Mohammad Amin Raeisi Estabragh
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
- Student Research Committee, Kerman University of Medical Sciences, Kerman, Iran
| | - Abbas Pardakhty
- Pharmaceutics Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
| | - Saeid Ahmadzadeh
- Pharmaceutical Sciences and Cosmetic Products Research Center, Kerman University of Medical Sciences, Kerman, Iran
| | - Shahriar Dabiri
- Pathology and Stem Cell Research Center, Afzalipour Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Reza Malekpour Afshar
- Pathology and Stem Cell Research Center, Afzalipour Faculty of Medicine, Kerman University of Medical Sciences, Kerman, Iran
| | - Mohammad Farajli Abbasi
- Neuroscience Research Center, Institute of Neuropharmacology, Kerman University of Medical Sciences, Kerman, Iran
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22
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Neurotoxicity of silver nanoparticles in the animal brain: a systematic review and meta-analysis. Forensic Toxicol 2021; 40:49-63. [DOI: 10.1007/s11419-021-00589-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2021] [Accepted: 07/07/2021] [Indexed: 10/20/2022]
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23
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Abdelzaher WY, Rofaeil RR, Abdel-Hafez SMN, Atta M, Bahaa El-Deen MA, Ali DM. Ameliorating effect of leukotriene receptor antagonist in multi-organ toxicity induced in rat offspring, a possible role for epidermal growth factor. Immunopharmacol Immunotoxicol 2021; 43:183-191. [PMID: 33504223 DOI: 10.1080/08923973.2021.1878213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
Purpose: Nowadays, there is a dramatic increase in the interest of potential impact of consumer-relevant engineered nanoparticles on pregnancy.Materials and methods: This study investigated the possible protective effect of montelukast in neonatal organ toxicity induced by maternal exposure to silver nanoparticles (AgNPs) in rats.Results: It was noticed that montelukast reduced serum urea, creatinine, renal caspase-3 immunoreactivity and IL-1β and increased total antioxidant capacity, as compared to AgNPs. In kidney and bone tissue, montelukast reduced oxidative stress parameters and TNF-α level that was increased with AgNPs. Surprisingly, montelukast administration increased epidermal growth factor (EGF) in bone and reduced it in kidney. Furthermore, as compared to AgNPs, montelukast improved histopathological picture of kidney and bone.Conclusions: In conclusion, montelukast antagonized the biochemical and histopathological changes occurred in kidneys and bones of rat offspring by maternal exposure to AgNPs, mostly by anti-oxidant, anti-apoptotic and anti-inflammatory actions with a possible role for EGF.
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Affiliation(s)
| | - Remon Roshdy Rofaeil
- Department of Pharmacology, Faculty of Medicine, Minia University, El Minia, Egypt.,Department of Pharmacology, Faculty of Pharmacy, Deraya University, Minya, Egypt
| | | | - Medhat Atta
- Department of Anatomy, Faculty of Medicine, Minia University, El Minia, Egypt
| | | | - Dalia Mohamed Ali
- Department of Forensic Medicine and Toxicology, Faculty of Medicine, Minia University, El Minia, Egypt
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24
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Sadek KM, Mahmoud SFE, Zeweil MF, Abouzed TK. Proanthocyanidin alleviates doxorubicin-induced cardiac injury by inhibiting NF-kB pathway and modulating oxidative stress, cell cycle, and fibrogenesis. J Biochem Mol Toxicol 2021; 35:e22716. [PMID: 33484087 DOI: 10.1002/jbt.22716] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2020] [Revised: 10/20/2020] [Accepted: 11/16/2020] [Indexed: 02/02/2023]
Abstract
This study investigated the potential mechanism(s) and the signaling pathway(s) underlying the prophylactic effect of proanthocyanidin extract (PE) against doxorubicin (DOX)-induced cardiotoxicity in rats. A total of 32 male albino rats were randomly allocated into four groups. Control rats were orally administrated normal saline. Rats in the second group were orally administrated PE (50 mg/kg bw/once daily) for 4 weeks. Rats in the third group were intraperitoneally injected with DOX (10 mg/kg on Days 3, 9, 15, and 21 of the experiment). Rats in the fourth group were injected with DOX and PE simultaneously for 4 weeks. DOX significantly augmented the levels of serum heart damage biomarkers. In addition, histopathology indicated that DOX-induced cardiac tissue injury upregulated the expression of fibrogenic factors, alpha smooth muscle actin (α-SMA), transforming growth factor β1 (TGF- β1), and p16INK4A . Downregulation of cell proliferation markers, cyclin-dependent kinase-4 (CDK4), and retinoblastoma (Rb) was also observed. Furthermore, DOX-induced oxidative and inflammatory stress resulted in increased cardiac malondialdehyde (MDA), protein carbonyl (PC), interleukin-2 (IL-2), interleukin-6 (IL-6), and tumor necrosis factor-alpha (TNF-α). Decreased cardiac glutathione (GSH) levels and enzyme activity of catalase (CAT), superoxide dismutase (SOD), and glutathione S-transferase (GST) were observed. Treatment of DOX-induced rat cardiotoxicity with PE normalized serum parameters for the aforementioned parameters and alleviated cardiac tissue structure. Furthermore, reduced cardiac tissue α-SMA and TGF-β1, and increased CDK4 and Rb protein expression, along with the amelioration of oxidative and inflammatory effects were observed. PE attenuates DOX-induced cardiomyocyte inflammation possibly by attenuating the nuclear factor kappa-B (NF- kB) signaling pathway. These results indicate that PE may be useful as a preventative agent against DOX-induced cardiac toxicity.
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Affiliation(s)
- Kadry M Sadek
- Department of Biochemistry, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
| | - Sahar F E Mahmoud
- Department of Histology, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
| | - Mohamed F Zeweil
- Department of Biochemistry, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
| | - Tarek K Abouzed
- Department of Biochemistry, Faculty of Veterinary Medicine, Kafr El-Sheikh University, Damanhour, Egypt
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25
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Chang X, Wang X, Li J, Shang M, Niu S, Zhang W, Li Y, Sun Z, Gan J, Li W, Tang M, Xue Y. Silver nanoparticles induced cytotoxicity in HT22 cells through autophagy and apoptosis via PI3K/AKT/mTOR signaling pathway. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2021; 208:111696. [PMID: 33396027 DOI: 10.1016/j.ecoenv.2020.111696] [Citation(s) in RCA: 56] [Impact Index Per Article: 18.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/11/2020] [Revised: 11/09/2020] [Accepted: 11/18/2020] [Indexed: 06/12/2023]
Abstract
With the widespread application and inevitable environmental exposure, silver nanoparticles (AgNPs) can be accumulated in various organs. More serious concerns are raised on the biological safety and potential toxicity of AgNPs in the central nervous system (CNS), especially in the hippocampus. This study aimed to investigate the biological effects and the role of PI3K/AKT/mTOR signaling pathway in AgNPs mediated cytotoxicity using the mouse hippocampal neuronal cell line (HT22 cells). AgNPs reduced cell viability and induced membrane leakage in a dose-dependent manner, determined by the MTT and LDH assay. In doses of 25, 50, 100 μg mL-1 for 24 h, AgNPs promoted the excessive production of reactive oxygen species (ROS) and caused the oxidative stress in HT22 cells. AgNPs induced autophagy, determined by the transmission electron microscopy observation, upregulation of LC3 II/I and downregulation of p62 expression levels. The mechanistic investigation showed that the PI3K/AKT/mTOR signaling pathway was activated by phosphorylation, which was enrolled in an AgNP-induced autophagy process. AgNPs could further trigger the apoptosis by upregulation of caspase-3 and Bax and downregulation of Bcl-2 in HT22 cells. These results revealed AgNP-induced cytotoxicity in HT22 cells, which was mediated by autophagy and apoptosis via the PI3K/AKT/mTOR signaling pathway. The study could provide the experimental evidence and explanation for the potential neurotoxicity triggered by AgNPs in vitro.
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Affiliation(s)
- Xiaoru Chang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Xiujuan Wang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Jiangyan Li
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Mengting Shang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Shuyan Niu
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Wenli Zhang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Yunjing Li
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Zuoyi Sun
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Junying Gan
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Wenhua Li
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Meng Tang
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China
| | - Yuying Xue
- Key Laboratory of Environmental Medicine and Engineering, Ministry of Education, School of Public Health, Southeast University, Nanjing 210009, China.
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26
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Tranilast ameliorated subchronic silver nanoparticles-induced cerebral toxicity in rats: Effect on TLR4/NLRP3 and Nrf-2. Neurotoxicology 2020; 82:167-176. [PMID: 33352273 DOI: 10.1016/j.neuro.2020.12.008] [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] [Received: 11/16/2020] [Revised: 12/13/2020] [Accepted: 12/15/2020] [Indexed: 12/30/2022]
Abstract
Silver nanoparticles (AgNPs) are widely applied in various aspects of life. However, recent studies reported their potential toxicity both on environment and human health. The present study aimed to unravel the underlying molecular mechanisms involved in AgNPs-induced brain toxicity. Moreover, chemopreventive effect of tranilast, an analogue of tryptophan metabolite and a mast cell membrane stabilizer was evaluated. Thirty Sprague Dawley rats were enrolled equally into Normal control group, AgNPs-intoxicated group (50 mg/kg, 3 times/week) and tranilast (300 mg/kg, 3 times/week)+AgNPs group. AgNPs administration triggered brain oxidative stress as depicted by reduced Nrf-2 expression, decreased TAC and GSH as well as upregulated brain lipid peroxidation. The apparent brain oxidative damage was accompanied by elevated levels of inflammatory cytokines (IL-1β, IL-6 and TNF-α). Moreover, brain levels of TLR4, NLRP3 and caspase-1 were up-regulated. Additionally, histological study indicated marked cellular injury in cerebrum and cerebellum specimens. This was concomitant with elevated serum CK activity and CK-BB level. On the other hand, tanilast administration remarkably alleviated AgNPs-induced brain toxicity. The present study shed the light on implication of TLR4/NLRP3 axis and NrF2 in AgNPs-induced brain toxicity. In addition, it explored the potential protective effect of tranilast on AgNPs-induced brain injury via antioxidant and anti-inflammatory efficacies.
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27
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Yin IX, Zhang J, Zhao IS, Mei ML, Li Q, Chu CH. The Antibacterial Mechanism of Silver Nanoparticles and Its Application in Dentistry. Int J Nanomedicine 2020; 15:2555-2562. [PMID: 32368040 PMCID: PMC7174845 DOI: 10.2147/ijn.s246764] [Citation(s) in RCA: 620] [Impact Index Per Article: 155.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 03/29/2020] [Indexed: 12/25/2022] Open
Abstract
Nanotechnology has recently emerged as a rapidly growing field with numerous biomedical science applications. At the same time, silver has been adopted as an antimicrobial material and disinfectant that is relatively free of adverse effects. Silver nanoparticles possess a broad spectrum of antibacterial, antifungal and antiviral properties. Silver nanoparticles have the ability to penetrate bacterial cell walls, changing the structure of cell membranes and even resulting in cell death. Their efficacy is due not only to their nanoscale size but also to their large ratio of surface area to volume. They can increase the permeability of cell membranes, produce reactive oxygen species, and interrupt replication of deoxyribonucleic acid by releasing silver ions. Researchers have studied silver nanoparticles as antimicrobial agents in dentistry. For instance, silver nanoparticles can be incorporated into acrylic resins for fabrication of removable dentures in prosthetic treatment, composite resin in restorative treatment, irrigating solution and obturation material in endodontic treatment, adhesive materials in orthodontic treatment, membrane for guided tissue regeneration in periodontal treatment, and titanium coating in dental implant treatment. Although not all authorities have acknowledged the safety of silver nanoparticles, no systemic toxicity of ingested silver nanoparticles has been reported. A broad concern is their potential hazard if they are released into the environment. However, the interaction of nanoparticles with toxic materials and organic compounds can either increase or reduce their toxicity. This paper provides an overview of the antibacterial use of silver nanoparticles in dentistry, highlighting their antibacterial mechanism, potential applications and safety in clinical treatment.
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Affiliation(s)
- Iris Xiaoxue Yin
- School of Dentistry, Shenzhen University Health Science Center, Shenzhen, People's Republic of China.,Faculty of Dentistry, The University of Hong Kong, Hong Kong
| | - Jing Zhang
- College of Stomatology, Anhui Medical University, Hefei, People's Republic of China
| | - Irene Shuping Zhao
- School of Dentistry, Shenzhen University Health Science Center, Shenzhen, People's Republic of China
| | - May Lei Mei
- Faculty of Dentistry, University of Otago, Otago, New Zealand
| | - Quanli Li
- College of Stomatology, Anhui Medical University, Hefei, People's Republic of China
| | - Chun Hung Chu
- Faculty of Dentistry, The University of Hong Kong, Hong Kong
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28
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Guzmán-Soto I, Omole M, Alarcon EI, McTiernan CD. Lipoic acid capped silver nanoparticles: a facile route to covalent protein capping and oxidative stability within biological systems. RSC Adv 2020; 10:32953-32958. [PMID: 35516471 PMCID: PMC9056624 DOI: 10.1039/d0ra07080g] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 08/27/2020] [Indexed: 12/29/2022] Open
Abstract
Covalent attachment of human serum albumin protein to the surface of spherical lipoic acid capped silver nanoparticles results in the generation of stable nanoparticle–protein hybrids with well defined surface composition. Enhanced stability towards oxidation and in the presence of complex media with high ionic strength, holds promise towards the use of these conjugates as therapeutics in biomedical applications and sensing. Covalent attachment of human serum albumin protein to the surface of spherical lipoic acid capped silver nanoparticles results in the generation of stable nanoparticle–protein hybrids with well defined surface composition.![]()
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Affiliation(s)
- Irene Guzmán-Soto
- Division of Cardiac Surgery
- University of Ottawa Heart Institute
- Ottawa
- Canada
| | - Mary Omole
- Division of Cardiac Surgery
- University of Ottawa Heart Institute
- Ottawa
- Canada
| | - Emilio I. Alarcon
- Division of Cardiac Surgery
- University of Ottawa Heart Institute
- Ottawa
- Canada
- Department of Biochemistry, Microbiology, and Immunology
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29
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Zhong X, Kang J, Qiu J, Yang W, Wu J, Ji D, Yu Y, Ke W, Shi X, Wei Y. Developmental exposure to BDE-99 hinders cerebrovascular growth and disturbs vascular barrier formation in zebrafish larvae. AQUATIC TOXICOLOGY (AMSTERDAM, NETHERLANDS) 2019; 214:105224. [PMID: 31255847 DOI: 10.1016/j.aquatox.2019.105224] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Revised: 04/12/2019] [Accepted: 06/11/2019] [Indexed: 06/09/2023]
Abstract
Polybrominated diphenyl ethers (PBDEs) are distributed throughout the environment. Despite a moratorium on their use, concentrations of PBDEs in the atmosphere and in residential environments remain high due to their persistence. The environmental health risks remain concerning and one of the major adverse effects is neurodevelopmental toxicity. However, the early response and effects of PBDEs exposure on the developing brain remain unknown. In the present study, we investigated the impacts of 2,2',4,4',5-pentabrominated diphenyl ether (BDE-99) on vascular growth and vascular barrier function with an emphasis on cerebral blood vessels, in the early life stages, using a zebrafish model. No general toxicity was observed in exposing zebrafish larvae to 0-0.5 μM BDE-99 at 72 hpf. BDE-99 exposure resulted in neither general toxicity nor pronounced developmental impairment in somatic blood vessels, including intersegmental vessels (ISV) and common cardinal veins (CCV). Meanwhile, both 0.05 μM and 0.5 μM of BDE-99 reduced cerebrovascular density as well as down-regulation of VEGFA and VEGFR2 in the head. In addition, BDE-99 exposure increased vascular leakage, both in cerebral and truncal vasculature at 72 hpf. The accentuated vascular permeability was observed in the head. The mRNA levels of genes encoding tight junction molecules decreased in the BDE-99-exposed larvae, and more robust reductions in Cldn5, Zo1 and Jam were detected in the head than in the trunk. Moreover, proinflammatory factors including TNF-α, IL-1β and ICAM-1 were induced, and the expression of neurodevelopment-related genes was suppressed in the head following BDE-99 exposure. Taken together, these results reveal that developmental exposure to BDE-99 impedes cerebrovascular growth and disturbs vascular barrier formation. The cerebral vasculature in developing zebrafish, a more sensitive target for BDE-99, may be a promising tool for the assessment of the early neurodevelopmental effects due to PBDEs exposure.
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Affiliation(s)
- Xiali Zhong
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Jianmeng Kang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Jiahuang Qiu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Wenhan Yang
- Department of Maternal and Child Health, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Jingwei Wu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Di Ji
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Yuejin Yu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Weijian Ke
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China
| | - Xiongjie Shi
- Hubei Key Laboratory of Cell Homeostasis, College of Life Sciences, the Institute for Advanced Studies, Wuhan University, Wuhan 430072, China
| | - Yanhong Wei
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Toxicology, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China.
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30
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Abd El-Maksoud EM, Lebda MA, Hashem AE, Taha NM, Kamel MA. Ginkgo biloba mitigates silver nanoparticles-induced hepatotoxicity in Wistar rats via improvement of mitochondrial biogenesis and antioxidant status. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:25844-25854. [PMID: 31267406 DOI: 10.1007/s11356-019-05835-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Accepted: 06/24/2019] [Indexed: 06/09/2023]
Abstract
Silver nanoparticles (AgNPs) are noble metal nanoparticles, due to their good physicochemical properties, which have been exploited in biological applications. Nanotechnological applications advance very quickly while few literatures assessed the effects of natural products on the risks of nanoparticles in vivo. Thirty male adult rats were enrolled equally into: control, AgNPs (50 mg/kg b.w i.p 3 times/week) and GBE (100 mg/kg b.w daily per os)+AgNPs. After 30 days, the assessment of liver function, antioxidative status, mitochondrial biogenesis, and histopathological analyses were performed. AgNP exposure enhanced the hepatic lipid peroxidation (+ 281.7%) along with a decline in the reduced glutathione (- 58.3%) levels. The apparent hepatic oxidative damage was associated with obvious hepatic dysfunction that was ascertained by alteration of serum liver enzymatic biomarkers, lipid profile, and pathological hepatic lesions. Following AgNP exposure, hepatic silver and calcium contents were increased without changes in the trace element concentrations. Finally, the mRNA transcripts of hepatic PGC-1α, mtTFA, and Nrf2 were downregulated after AgNP exposure. Interestingly, GBE has the ability to alleviate AgNP-induced hepatic damage assessed by augmentation of reduced glutathione level and mitochondrial biogenesis. This study explored the potential protective role of GBE on AgNPs-induced hepatotoxicity via attenuation of oxidative stress, substantial enhancement of cell viability with concomitant mitigating DNA damage, and mitochondrial dysfunction.
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Affiliation(s)
- Eman M Abd El-Maksoud
- Department of Biochemistry, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Mohamed A Lebda
- Department of Biochemistry, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt.
| | - Aml E Hashem
- Department of Biochemistry, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Nabil M Taha
- Department of Biochemistry, Faculty of Veterinary Medicine, Alexandria University, Alexandria, Egypt
| | - Maher A Kamel
- Department of Biochemistry, Institute of Medical Research, Alexandria University, Alexandria, Egypt
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31
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Zeweil MM, Sadek KM, Taha NM, El-Sayed Y, Menshawy S. Graviola attenuates DMBA-induced breast cancer possibly through augmenting apoptosis and antioxidant pathway and downregulating estrogen receptors. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2019; 26:15209-15217. [PMID: 30924043 DOI: 10.1007/s11356-019-04920-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 03/20/2019] [Indexed: 06/09/2023]
Abstract
Breast cancer is a global public health problem where it is the second most prevalent cancer. Historical cancer treatment with graviola has been reported. This study aimed to investigate the protective effects of graviola on 7,12-dimethylbenz[a]anthracene (DMBA)-induced rat breast cancer. Fifty female Wistar rats were allocated into four groups: control group (gastro-gavaged by sesame oil), DMBA-treated group (gastro-gavaged a single dose of DMBA [50 mg/kg body mass, diluted in 1 ml sesame oil]) at the age 57 days, DMBA+G37-treated group (gastro-gavaged a single dose of DMBA [50 mg/kg body mass, diluted in 1 ml sesame oil]) at the age of 57 days plus graviola (200 mg/kg body mass) two times weekly (p.o.) at the age of 37 days till the end of the experiment, and DMBA+G57-treated group (received a single dose of DMBA [50 mg/kg body mass, diluted in 1 ml sesame oil]) plus graviola (200 mg/kg body mass) two times weekly at the age of 57 days until the end of the experiment. After the 30-week experimental period, blood samples were collected. Then, animals were sacrificed to determine the apoptotic indices, antioxidant status, and mammary gland tumor marker (CA 15-3). The DMBA upregulated the expression of one of the main anti-apoptotic genes: B-cell lymphoma protein 2 (BCL2) and estrogen receptor alpha (ER-α) gene. Moreover, it significantly increased breast lipid peroxidation and serum CA 15-3 but decreased breast antioxidant enzymatic activities (glutathione peroxidase, glutathione S-transferase, catalase, and superoxide dismutase). Nevertheless, administration of DMBA and graviola especially DMBA+G37 induced apoptosis through at least 1.5-fold in gene expression levels of pro-apoptotic genes: BCL2-associated X protein (BAX), tumor suppressor gene (P53), and cysteinyl-aspartic acid-protease-3 (caspase-3). A critical role of P53 in the regulation of the BCL2 and BAX has been reported. These proteins can determine if the cell undergoes apoptosis or cancels the process. Once the BAX gene activates caspase-3, there is no irreversible way toward cell death. Also, graviola ameliorated the DMBA effects on antioxidant enzymatic activities and tumor marker CA 15-3. This study concludes that graviola ameliorated DMBA-induced breast cancer potentially through upregulating apoptotic genes, downregulating the ER-α gene, increasing antioxidants, and decreasing lipid peroxidation levels.
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Affiliation(s)
- Mohamed M Zeweil
- Faculty of Veterinary Medicine, Department of Biochemistry, Damanhour University, Damanhour, Egypt
| | - Kadry M Sadek
- Faculty of Veterinary Medicine, Department of Biochemistry, Damanhour University, Damanhour, Egypt.
| | - Nabil M Taha
- Faculty of Veterinary Medicine, Department of Biochemistry, Alexandria University, Alexandria, Egypt
| | - Yasser El-Sayed
- Faculty of Veterinary Medicine, Department of Forensic Medicine and Toxicology, Damanhour University, Damanhur, Egypt
| | - Sherif Menshawy
- Faculty of Veterinary Medicine, Department of Genetics, Damanhour University, Damanhour, Egypt
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