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Taghizadehghalehjoughi A, Naldan ME, Yeni Y, Genc S, Hacimuftuoglu A, Isik M, Necip A, Bolat İ, Yildirim S, Beydemir S, Baykan M. Effect of fentanyl and remifentanil on neuron damage and oxidative stress during induction neurotoxicity. J Cell Mol Med 2024; 28:e18118. [PMID: 38332529 PMCID: PMC10853584 DOI: 10.1111/jcmm.18118] [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: 08/31/2023] [Revised: 12/06/2023] [Accepted: 01/02/2024] [Indexed: 02/10/2024] Open
Abstract
Opioids can be used for medical and non-medical purposes. Chronic pain such as cancer, as well as the frequent use of such drugs in places such as operating rooms and intensive care units, and in non-medical areas like drug abuse the effects and side effects of these drugs need to be examined in more detail. For this purpose, the effects of fentanyl and remifentanil drugs on neuroinflammation, oxidative stress and cholinesterase metabolism were investigated. Neuron cells (CRL-10742) were used for the evaluation of the toxicity of fentanyl and remifentanil. MTT, PON1 activity and total thiol levels for its effect on oxidative stress, AChE and BChE activities for its effect on the cholinergic system, and TNF, IL-8 and IL-10 gene levels for its neuroinflammation effect were determined. The highest neurotoxic dose of fentanyl and remifentanil was determined as 10 μg/mL. It was observed that the rate of neuron cells in this dose has decreased by up to 61.80% and 56.89%, respectively. The IL-8 gene expression level in both opioids was down-regulated while IL 10 gene level was up-regulated in a dose-dependent manner compared to the control. In our results, the TNF gene expression level differs between the two opioids. In the fentanyl group, it was seen to be up-regulated in a dose-dependent manner compared to the control. Fentanyl and remifentanil showed an inhibitory effect against PON1, while remifentanil showed an increase in total thiol levels. PON1, BChE and total thiol activities showed similarity with MTT.
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Affiliation(s)
| | - Muhammet Emin Naldan
- Department of Anesthesiology and ReanimationUniversity of Health Sciences, Hospital of CityErzurumTurkey
| | - Yesim Yeni
- Department of Medical Pharmacology, Faculty of MedicineAtaturk UniversityErzurumTurkey
| | - Sidika Genc
- Department of Medical Pharmacology, Faculty of MedicineBilecik Seyh Edebali UniversityBilecikTurkey
| | - Ahmet Hacimuftuoglu
- Department of Medical Pharmacology, Faculty of MedicineAtaturk UniversityErzurumTurkey
| | - Mesut Isik
- Department of Bioengineering, Faculty of EngineeringBilecik Seyh Edebali UniversityBilecikTurkey
| | - Adem Necip
- Department of Pharmacy Services, Vocational School of Health ServicesHarran UniversitySanlıurfaTurkey
| | - İsmail Bolat
- Department of Pathology, Faculty of Veterinary MedicineAtaturk UniversityErzurumTurkey
| | - Serkan Yildirim
- Department of Pathology, Faculty of Veterinary MedicineAtaturk UniversityErzurumTurkey
| | - Sukru Beydemir
- Department of Biochemistry, Faculty of PharmacyAnadolu UniversityEskisehirTurkey
- The Rectorate of Bilecik Seyh Edebali UniversityBilecikTurkey
| | - Mahmut Baykan
- Department of Microbiology, Faculty of MedicineBilecik Seyh Edebali UniversityBilecikTurkey
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2
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Zhao N, Yuan W. Antibacterial, conductive nanocomposite hydrogel based on dextran, carboxymethyl chitosan and chitosan oligosaccharide for diabetic wound therapy and health monitoring. Int J Biol Macromol 2023; 253:126625. [PMID: 37657577 DOI: 10.1016/j.ijbiomac.2023.126625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 08/03/2023] [Accepted: 08/29/2023] [Indexed: 09/03/2023]
Abstract
Diabetic severe wound healing is challenging and also carries a high risk of bacterial infection and may be accompanied by serious complications. Electrical stimulation (ES) can effectively promote wound healing, but its effectiveness is often limited by incomplete contact between the electrodes and the wound site. In order to improve the efficiency of electrical stimulation utilization and to avoid wound infection, a multi-dynamically crosslinked nanocomposite hydrogel was prepared from dextran modified with aldehyde groups and phenylboronic acid esters (Dex-FA-BA), carboxymethyl chitosan (CMCS), polyaniline grafted chitosan oligosaccharide (CP), and Epigallocatechin Gallate/Ca2+ modified melanin-like nanoparticles (CEMNPs), based on dynamic Schiff base bonds, phenylboronic acid/diol interactions, and hydrogen bonding. The CEMNPs have good photothermal conversion properties and antioxidant activity and can also enhance the mechanical properties of the hydrogel system. The CP endows the hydrogel with good electrical conductivity and sensing properties and can record the respiratory and heart rate of rats in real time. Based on the convolutional neural networks (CNN) algorithm constructed by ResNet9, the respiratory and heart rate signals can be distinguished with 93.9 % accuracy. This multifunctional nanocomposite hydrogel can provide a new strategy to promote chronic wound healing and achieve health monitoring effectively.
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Affiliation(s)
- Nuoya Zhao
- School of Materials Science and Engineering, Key Laboratory of Advanced Civil Materials of Ministry of Education, Tongji University, Shanghai 201804, People's Republic of China
| | - Weizhong Yuan
- School of Materials Science and Engineering, Key Laboratory of Advanced Civil Materials of Ministry of Education, Tongji University, Shanghai 201804, People's Republic of China.
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Lin X, Chen T. A Review of in vivo Toxicity of Quantum Dots in Animal Models. Int J Nanomedicine 2023; 18:8143-8168. [PMID: 38170122 PMCID: PMC10759915 DOI: 10.2147/ijn.s434842] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 12/15/2023] [Indexed: 01/05/2024] Open
Abstract
Tremendous research efforts have been devoted to nanoparticles for applications in optoelectronics and biomedicine. Over the past decade, quantum dots (QDs) have become one of the fastest growing areas of research in nanotechnology because of outstanding photophysical properties, including narrow and symmetrical emission spectrum, broad fluorescence excitation spectrum, the tenability of the emission wavelength with the particle size and composition, anti-photobleaching ability and stable fluorescence. These characteristics are suitable for optical imaging, drug delivery and other biomedical applications. Research on QDs toxicology has demonstrated QDs affect or damage the biological system to some extent, and this situation is generally caused by the metal ions and some special properties in QDs, which hinders the further application of QDs in the biomedical field. The toxicological mechanism mainly stems from the release of heavy metal ions and generation of reactive oxygen species (ROS). At the same time, the contact reaction with QDs also cause disorders in organelles and changes in gene expression profiles. In this review, we try to present an overview of the toxicity and related toxicity mechanisms of QDs in different target organs. It is believed that the evaluation of toxicity and the synthesis of environmentally friendly QDs are the primary issues to be addressed for future widespread applications. However, considering the many different types and potential modifications, this review on the potential toxicity of QDs is still not clearly elucidated, and further research is needed on this meaningful topic.
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Affiliation(s)
- Xiaotan Lin
- School of Basic Medicine, Guangdong Medical University, DongGuan, People’s Republic of China
- Department of Family Planning, Second Clinical Medical College of Jinan University, Shenzhen People’s Hospital, Shenzhen, People’s Republic of China
| | - Tingting Chen
- School of Basic Medicine, Guangdong Medical University, DongGuan, People’s Republic of China
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Ghasempour A, Dehghan H, Ataee M, Chen B, Zhao Z, Sedighi M, Guo X, Shahbazi MA. Cadmium Sulfide Nanoparticles: Preparation, Characterization, and Biomedical Applications. Molecules 2023; 28:molecules28093857. [PMID: 37175267 PMCID: PMC10179838 DOI: 10.3390/molecules28093857] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 04/26/2023] [Accepted: 04/28/2023] [Indexed: 05/15/2023] Open
Abstract
Cadmium sulfide nanoparticles (CdS NPs) have been employed in various fields of nanobiotechnology due to their proven biomedical properties. They are unique in their properties due to their size and shape, and they are popular in the area of biosensors, bioimaging, and antibacterial and anticancer applications. Most CdS NPs are generally synthesized through chemical, physical, or biological methods. Among these methods, biogenic synthesis has attracted more attention due to its high efficiency, environmental friendliness, and biocompatibility features. The green approach was found to be superior to other methods in terms of maintaining the structural characteristics needed for optimal biomedical applications. The size and coating components of CdS NPs play a crucial role in their biomedical activities, such as anticancer, antibacterial, bioimaging, and biosensing applications. CdS NPs have gained significant interest in bioimaging due to their desirable properties, including good dispersion, cell integrity preservation, and efficient light scattering. Despite these, further studies are necessary, particularly in vivo studies to reduce NPs' toxicity. This review discusses the different methods of synthesis, how CdS NPs are characterized, and their applications in the biomedical field.
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Affiliation(s)
- Alireza Ghasempour
- Student Research Committee, Birjand University of Medical Sciences, Birjand 9717853076, Iran
| | - Hamideh Dehghan
- Student Research Committee, Birjand University of Medical Sciences, Birjand 9717853076, Iran
| | - Mehrnaz Ataee
- Student Research Committee, Birjand University of Medical Sciences, Birjand 9717853076, Iran
| | - Bozhi Chen
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Zeqiang Zhao
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Mahsa Sedighi
- Department of Pharmaceutics and Nanotechnology, School of Pharmacy, Birjand University of Medical Sciences, Birjand 9717853076, Iran
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand 9717853076, Iran
| | - Xindong Guo
- Beijing Laboratory of Biomedical Materials, College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing 100029, China
| | - Mohammad-Ali Shahbazi
- Department of Biomedical Engineering, University Medical Center Groningen, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
- W.J. Kolff Institute for Biomedical Engineering and Materials Science, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
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Sola E, Moyano P, Flores A, García JM, García J, Anadon MJ, Frejo MT, Pelayo A, de la Cabeza Fernandez M, Del Pino J. Cadmium-promoted thyroid hormones disruption mediates ROS, inflammation, Aβ and Tau proteins production, gliosis, spongiosis and neurodegeneration in rat basal forebrain. Chem Biol Interact 2023; 375:110428. [PMID: 36868496 DOI: 10.1016/j.cbi.2023.110428] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Revised: 02/26/2023] [Accepted: 02/28/2023] [Indexed: 03/05/2023]
Abstract
Cadmium (Cd) produces cognition decline following single and repeated treatment, although the complete mechanisms are still unrevealed. Basal forebrain (BF) cholinergic neurons innervate the cortex and hippocampus, regulating cognition. Cd single and repeated exposure induced BF cholinergic neuronal loss, partly through thyroid hormones (THs) disruption, which may cause the cognition decline observed following Cd exposure. However, the mechanisms through which THs disruption mediate this effect remain unknown. To research the possible mechanisms through which Cd-induced THs deficiency may mediate BF neurodegeneration, Wistar male rats were treated with Cd for 1- (1 mg/kg) or 28-days (0.1 mg/kg) with or without triiodothyronine (T3, 40 μg/kg/day). Cd exposure promoted neurodegeneration, spongiosis, gliosis and several mechanisms related to these alterations (increased H202, malondialdehyde, TNF-α, IL-1β, IL-6, BACE1, Aβ and phosphorylated-Tau levels, and decreased phosphorylated-AKT and phosphorylated-GSK-3β levels). T3 supplementation partially reversed the effects observed. Our results show that Cd induces several mechanisms that may be responsible for the neurodegeneration, spongiosis and gliosis observed in the rats' BF, which are partially mediated by a reduction in THs levels. These data may help to explain the mechanisms through which Cd induces BF neurodegeneration, possibly leading to the cognitive decline observed, providing new therapeutic tools to prevent and treat these damages.
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Affiliation(s)
- Emma Sola
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain
| | - Paula Moyano
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain.
| | - Andrea Flores
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain
| | - José Manuel García
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain
| | - Jimena García
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain
| | - María José Anadon
- Department of Legal Medicine, Psychiatry and Pathology, Medicine School, Complutense University of Madrid, 28041, Madrid, Spain
| | - María Teresa Frejo
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain
| | - Adela Pelayo
- Department of Legal Medicine, Psychiatry and Pathology, Medicine School, Complutense University of Madrid, 28041, Madrid, Spain
| | - Maria de la Cabeza Fernandez
- Department of Chemistry in Pharmaceutical Sciences, Pharmacy School, Complutense University of Madrid, 28041, Madrid, Spain
| | - Javier Del Pino
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain.
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Wilson JJ, Harimuralikrishnaa T, Sivakumar T, Mahendran S, Ponmanickam P, Thangaraj R, Sevarkodiyone S, Alharbi NS, Kadaikunnan S, Venkidasamy B, Thiruvengadam M, Govindasamy R. Biogenic Synthesis of Silver Nanoparticles Using Pantoea stewartii and Priestia aryabhattai and Their Antimicrobial, Larvicidal, Histopathological, and Biotoxicity Potential. Bioengineering (Basel) 2023; 10:bioengineering10020248. [PMID: 36829742 PMCID: PMC9952830 DOI: 10.3390/bioengineering10020248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/09/2023] [Accepted: 02/10/2023] [Indexed: 02/16/2023] Open
Abstract
In recent years, green nanotechnology has gained considerable importance for the synthesis of nanoparticles due to its economic viability and biosafety. In the current study, silver nanoparticles were synthesized using two bacterial isolates, H2 and H3, which were isolated from soil samples collected from the Western Ghats, Tamil Nadu, and identified at the species level as Pantoeastewartii (H2) and Priestiaaryabhattai (H3) by sequencing their 16s rRNA genes. Intracellularly synthesized silver nanoparticles were characterized by UV-visible spectroscopy, Fourier transform infrared spectroscopy, atomic force microscopy, and particle size analysis. AFM studies show that both of the bacterial synthesized Ag NPs were circular-shaped and disaggregated, with an average size distribution of 4 nm for Pantoeastewartii and 3.6 nm for Priestiaaryabhattai. Furthermore, their larvicidal activity, antimicrobial, histopathological, and biotoxicity effects were determined. The synthesized Ag NPs exhibited potent larvicidal activity against fourth instars of Ae.aegypti, An.stephensi, and Cx.quinquefasciatus exposed to a 50 µg/mL concentration for 24 h based on their LC50 and LC90 values. Histopathological studies of the affected mosquito larvae clearly show damage to the epithelial cells, food bolus, basement membrane, muscles, and midgut parts. The maximum antimicrobial activity of Priestiaaryabhattai-synthesized Ag NPs was observed for Streptomyces varsoviensis MTCC-1537, and that of Pantoea stewartii-synthesized Ag NPs was against Escherichia coli MTCC-43. The toxicity test on non-target organisms such as Artemia nauplii and zebrafish embryos indicates no visible abnormalities or mortality after their exposure for 48h. It is concluded that silver nanoparticles can easily be synthesized using Pantoea stewartii (H2) and Priestia aryabhattai (H3) as capping and reducing agents. Silver nanoparticles showed potent larvicidal activities and could potentially be used in integrated vector control programs because they are safe for other inhabitants of the same aquatic environment as mosquito larvae.
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Affiliation(s)
- Jeyaraj John Wilson
- Department of Microbiology, Ayya Nadar Janaki Ammal College, Sivakasi 626124, India
| | | | - Thangavel Sivakumar
- Department of Microbiology, Ayya Nadar Janaki Ammal College, Sivakasi 626124, India
| | - Shunmugiah Mahendran
- Department of Microbiology, Ayya Nadar Janaki Ammal College, Sivakasi 626124, India
| | | | - Ramasamy Thangaraj
- Department of Microbiology, Ayya Nadar Janaki Ammal College, Sivakasi 626124, India
| | | | - Naiyf S. Alharbi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Shine Kadaikunnan
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh 11451, Saudi Arabia
| | - Baskar Venkidasamy
- Department of Oral and Maxillofacial Surgery, Saveetha Dental College and Hospitals, Saveetha University, Chennai 600077, India
| | - Muthu Thiruvengadam
- Department of Applied Bioscience, College of Life and Environmental Sciences, Konkuk University, Seoul 05029, Republic of Korea
- Correspondence: (M.T.); (R.G.)
| | - Rajakumar Govindasamy
- Department of Orthodontics, Saveetha Dental College and Hospitals, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai 600077, India
- Correspondence: (M.T.); (R.G.)
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Sorafenib Alleviates Inflammatory Signaling of Tumor Microenvironment in Precancerous Lung Injuries. Pharmaceuticals (Basel) 2023. [DOI: 10.3390/ph16020221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
According to population-based studies, lung cancer is the prominent reason for cancer-related mortality worldwide in males and is also rising in females at an alarming rate. Sorafenib (SOR), which is approved for the treatment of hepatocellular carcinoma and renal cell carcinoma, is a multitargeted protein kinase inhibitor. Additionally, SOR is the subject of interest for preclinical and clinical trials in lung cancer. This study was designed to assess in vivo the possible effects of sorafenib (SOR) in diethylnitrosamine (DEN)-induced lung carcinogenesis and examine its probable mechanisms of action. A total of 30 adult male rats were divided into three groups (1) control, (2) DEN, and (3) DEN + SOR. The chemical induction of lung carcinogenesis was performed by injection of DEN intraperitoneally at 150 mg/kg once a week for two weeks. The DEN-administered rats were co-treated with SOR of 10 mg/kg by oral gavage for 42 alternate days. Serum and lung tissue samples were analyzed to determine SRY-box transcription factor 2 (SOX-2) levels. The tumor necrosis factor alpha (TNF-α) and interleukin-1 beta (IL-1β) levels were measured in lung tissue supernatants. Lung sections were analyzed for cyclooxygenase-2 (COX-2) and c-Jun N-terminal kinase (JNK) histopathologically. In addition, cyclooxygenase-2 (COX-2) and c-Jun N-terminal kinase (JNK) were analyzed by immunohistochemistry and immunofluorescence methods, respectively. SOR reduced the level of SOX-2 that maintenance of cancer stemness and tumorigenicity, and TNF-α and IL-1β levels. Histopathological analysis demonstrated widespread inflammatory cell infiltration, disorganized alveolar structure, hyperemia in the vessels, and thickened alveolar walls in DEN-induced rats. The damage was markedly reduced upon SOR treatment. Further, immunohistochemical and immunofluorescence analysis also revealed increased expression of COX-2 and JNK expression in DEN-intoxicated rats. However, SOR treatment alleviated the expression of these inflammatory markers in DEN-induced lung carcinogenesis. These findings suggested that SOR inhibits DEN-induced lung precancerous lesions through decreased inflammation with concomitant in reduced SOX-2 levels, which enables the maintenance of cancer stem cell properties.
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Petrova E, Pashkunova-Martic I, Schaier M, Gluhcheva Y, Pavlova E, Helbich TH, Keppler B, Ivanova J. Effects of subacute cadmium exposure and subsequent deferiprone treatment on cadmium accumulation and on the homeostasis of essential elements in the mouse brain. J Trace Elem Med Biol 2022; 74:127062. [PMID: 35985070 DOI: 10.1016/j.jtemb.2022.127062] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 07/30/2022] [Accepted: 08/10/2022] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Cadmium (Cd) is а hazardous multi-organ toxin. In this study, we provide the first results about the effect of oral administration of deferiprone (DFP) on Cd accumulation and on the homeostasis of essential elements in the brain of Cd-exposed mice. METHODS Adult Institute of Cancer Research (ICR) male mice were randomized into four experimental groups: untreated controls - administered distilled water for 28 days; Cd-exposed group - exposed to 18 mg/kg body weight (b.w.) Cd(II) acetate for 14 days followed by the administration of distilled water for two weeks; Cd + DFP (low dose) - Cd-intoxicated mice subsequently treated with 19 mg/kg b.w. DFP for two weeks; and Cd + DFP (high dose) - Cd-exposed mice administered high-dose DFP (135 mg/kg b.w.) for 14 days. Brains were subjected to inductively coupled plasma-mass spectrometry (ICP-MS) and histological analysis. RESULTS The results revealed that exposure of mice to Cd for 14 days significantly increased Cd concentration and significantly decreased magnesium (Mg), phosphorus (P), and zinc (Zn) contents in the brain compared to untreated controls. This effect was accompanied by necrotic-degenerative changes in both the cerebrum and cerebellum. Oral administration of low-dose DFP to Cd-exposed mice decreased the concentration of the toxic metal in the brain by 16.37% and restored the concentration of the essential elements to normal control values. Histological analysis revealed substantially improved cerebral and cerebellar histoarchitectures. In contrast, oral administration of high-dose DFP increased Cd content and significantly decreased selenium (Se) concentration in the brain. Necrotic neurons and Purkinje cells were still observed in the cerebral and cerebellar cortices. CONCLUSION The results demonstrated that oral administration of DFP at low doses has a better therapeutic potential for the treatment of Cd-induced brain damage compared to high doses.
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Affiliation(s)
- Emilia Petrova
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Street, Bl. 25, 1113 Sofia, Bulgaria.
| | - Irena Pashkunova-Martic
- Department of Biomedical Imaging and Image-guided Therapy, Division of Molecular and Structural Preclinical Imaging, Medical University of Vienna and General Hospital of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria.
| | - Martin Schaier
- Institute of Analytical Chemistry, University of Vienna, Waehringer Strasse 38, 1090 Vienna, Austria; Vienna Doctoral School in Chemistry (DoSChem), University of Vienna, Währinger Strasse 42, 1090 Vienna, Austria.
| | - Yordanka Gluhcheva
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Street, Bl. 25, 1113 Sofia, Bulgaria.
| | - Ekaterina Pavlova
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Street, Bl. 25, 1113 Sofia, Bulgaria.
| | - Thomas H Helbich
- Department of Biomedical Imaging and Image-guided Therapy, Division of Molecular and Structural Preclinical Imaging, Medical University of Vienna and General Hospital of Vienna, Waehringer Guertel 18-20, 1090 Vienna, Austria.
| | - Bernhard Keppler
- Institute of Inorganic Chemistry, University of Vienna, Waehringer Strasse 42, 1090 Vienna, Austria.
| | - Juliana Ivanova
- Faculty of Medicine, Sofia University "St. Kliment Ohridski", Kozjak Street 1, 1407 Sofia, Bulgaria.
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Stelmashook EV, Alexandrova OP, Genrikhs EE, Novikova SV, Salmina AB, Isaev NK. Effect of zinc and copper ions on cadmium-induced toxicity in rat cultured cortical neurons. J Trace Elem Med Biol 2022; 73:127012. [PMID: 35679765 DOI: 10.1016/j.jtemb.2022.127012] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Revised: 05/18/2022] [Accepted: 05/27/2022] [Indexed: 11/23/2022]
Abstract
BACKGROUND Cadmium is a highly toxic heavy metal that is capable of accumulating in the body and causing neurodegeneration. However, the effect of other trace elements on Cd2+ toxicity is currently poorly understood. The aim of this work was to study the effect of Zn2+ and Cu2+ ions on cadmium-induced death of neurons in the cerebral cortex. METHODS The work was performed on rat cortical primary cultures. The MTT test was used to determine the cytotoxicity effects. Analysis of intracellular Ca2+ concentration was assessed by the Fluo-4 AM calcium indicator that exhibit an increase in fluorescence upon binding Ca2+. MitoSOX Red (mitochondrial superoxide indicator) was used to measuring mitochondrial ROS content in live cells. RESULTS In this article, we show that the administration of CdCl2 (0.005-0.02 mM) for 48 h induced an increase in dose-dependent death rate of cultured cortical neurons. Mature neurons were more sensitive to the damaging effects of Cd2+ than immature ones. ZnCl2 (0.01-0.03 mM) significantly protected neurons from this toxic effect. In contrast to ZnCl2, CuCl2 (0.01 mM) increased cadmium neurotoxicity. Using Fluo-4 AM, measurements of intracellular calcium ions demonstrated that 24 h-exposure to Cd2+ induced intensive increase in Fluo-4 fluorescence in neurons, which was significantly reduced by zinc ions. CuCl2 increased the cadmium-induced Fluo-4 and MitoSOX Red fluorescence in neurons. The chelator of intracellular Ca2+ BAPTA significantly decreased Cd2+-induced intensive increase in Fluo-4 fluorescence in cells. CONCLUSION The data obtained by us indicate that Zn2+ and Cu2+ can affect the neurotoxicity of cadmium in different directions: Zn2+ weaken the violation of intracellular calcium homeostasis caused by cadmium, preventing cell death, while Cu2+ potentiate the increase in the level of free intracellular calcium induced by cadmium and the development of mitochondrial dysfunction with an increase in the production of free radicals in differentiated cultured neurons of the cerebral cortex, which ultimately stimulates cytotoxicity.
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Affiliation(s)
| | | | | | | | | | - Nickolay K Isaev
- Research Center of Neurology, Moscow, Russia; M.V. Lomonosov Moscow State University, Moscow, Russia.
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Naikoo GA, Arshad F, Almas M, Hassan IU, Pedram MZ, Aljabali AA, Mishra V, Serrano-Aroca Á, Birkett M, Charbe NB, Goyal R, Negi P, El-Tanani M, Tambuwala MM. 2D materials, synthesis, characterization and toxicity: A critical review. Chem Biol Interact 2022; 365:110081. [PMID: 35948135 DOI: 10.1016/j.cbi.2022.110081] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 07/21/2022] [Accepted: 07/27/2022] [Indexed: 11/16/2022]
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Bi SS, Talukder M, Jin HT, Lv MW, Ge J, Zhang C, Li JL. Cadmium Through Disturbing MTF1-Mediated Metal Response Induced Cerebellar Injury. Neurotox Res 2022; 40:1127-1137. [PMID: 35895249 PMCID: PMC9326427 DOI: 10.1007/s12640-022-00474-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 01/05/2022] [Accepted: 01/11/2022] [Indexed: 11/29/2022]
Abstract
Cadmium (Cd) is a toxic environmental contaminant, which bio-accumulate in animals through the food chain. Cerebellum is one of the primary target organs for Cd exposure. In this study, we established a chronic Cd exposure model; 60 chickens were treated with Cd (0 mg/kg, 35 mg/kg, 70 mg/kg) for 90 days. Clinical manifestations indicated that the chicken was depressed and has unstable gait under Cd exposure. Histopathological results indicated that Cd induced neuronal shrunken and indistinct nucleoli, and the number of Purkinje cells decreased significantly. Cerebellar metal contents were analyzed by ICP-MS. We found that Cd caused Cd and Cu accumulation and decreased the content of Se, Fe, and Zn, suggesting that Cd disturbed metal homeostasis. Besides, Cd treatment group also showed high levels of malondialdehyde (MDA) and hydrogen peroxide (H2O2) content and inhibited selenoprotein transcriptome, suggesting that Cd exposure resulted in oxidative stress. Notably, low-dose Cd exposure activated MTF1 mRNA and protein expression and its target metal-responsive genes, including MT1, MT2, DMT1, ZIP8, ZIP10, TF, and ATP7B which indicate cellular adaptive response against Cd-induced damage. On the other hand, 70 mg/kg Cd downregulated MTF1-mediated metal response, which was involved in Cd-induced cerebellar injury in chicken. In conclusion, our data demonstrated that molecular mechanisms are associated with Cd-induced cerebellar injury due to disturbing MTF1-mediated metal response.
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Affiliation(s)
- Shao-Shuai Bi
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China.,College of Biological and Pharmaceutical Engineering, West Anhui University, Lu'an , 237012, People's Republic of China
| | - Milton Talukder
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China.,Faculty of Animal Science and Veterinary Medicine, Department of Physiology and Pharmacology, Patuakhali Science and Technology University, Barishal, 8210, Bangladesh
| | - Hai-Tao Jin
- Quality and Safety Institute of Agricultural Products, Heilongjiang Academy of Agricultural Sciences, Harbin, 150010, People's Republic of China
| | - Mei-Wei Lv
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Jing Ge
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China
| | - Cong Zhang
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China.,College of Veterinary Medicine, Henan Agricultural University, Zhengzhou, 450046, People's Republic of China
| | - Jin-Long Li
- College of Veterinary Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China. .,Key Laboratory of the Provincial Education, Department of Heilongjiang for Common Animal Disease Prevention and Treatment, Northeast Agricultural University, Harbin, 150030, People's Republic of China. .,Heilongjiang Key Laboratory for Laboratory Animals and Comparative Medicine, Northeast Agricultural University, Harbin, 150030, People's Republic of China.
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12
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Urbano T, Filippini T, Wise LA, Lasagni D, De Luca T, Sucato S, Polledri E, Malavolti M, Rigon C, Santachiara A, Pertinhez TA, Baricchi R, Fustinoni S, Vinceti M. Associations of urinary and dietary cadmium with urinary 8-oxo-7,8-dihydro-2'-deoxyguanosine and blood biochemical parameters. ENVIRONMENTAL RESEARCH 2022; 210:112912. [PMID: 35150710 DOI: 10.1016/j.envres.2022.112912] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2022] [Revised: 02/04/2022] [Accepted: 02/05/2022] [Indexed: 06/14/2023]
Abstract
Cadmium is a heavy metal with established adverse effects on human health, namely on bone, liver and kidney function and the cardiovascular system. We assessed cadmium exposure and its correlation with biomarkers of toxicity. We recruited 137 non-smoking blood donors without a history of chronic disease or cancer who resided in the Northern Italy province of Reggio Emilia (mean age 47 years, range 30-60 years) in the 2017-2019 period. We used a semi-quantitative food frequency questionnaire to estimate dietary cadmium intake and urine samples to assess concentrations of urinary cadmium and 8-oxo-7,8-dihydro-2'-deoxyguanosine (8-oxodG). Median urinary cadmium and 8-oxodG concentrations were 0.21 μg/L (interquartile range (IQR): 0.11-0.34 μg/L) and 3.21 μg/g creatinine (IQR: 2.21-4.80 μg/g creatinine), respectively, while median dietary cadmium intake was 6.16 μg/day (IQR: 5.22-7.93 μg/day). We used multivariable linear and spline regression models to estimate mean differences exposure concentrations. Dietary and urinary cadmium were positively correlated, and both were positively and linearly correlated with 8-oxodG. We found a positive association of urinary cadmium with blood alanine aminotransferase (ALT), total cholesterol, low-density lipoprotein (LDL)-cholesterol and thyroid-stimulating hormone (TSH) concentrations. We also observed a positive association with triglycerides, in both linear (beta regression coefficient = 77.03, 95% confidence interval 32.27-121.78) and non-linear spline regression analyses. Despite the positive correlation between dietary and urinary cadmium estimates, dietary cadmium intake showed inconsistent results with the study endpoints and generally weaker associations, suggesting a decreased capacity to reflect actual cadmium exposure. Overall, these findings suggest that even low levels of cadmium exposure may adversely alter hematological and biochemical variables and induce oxidative stress.
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Affiliation(s)
- Teresa Urbano
- CREAGEN - Environmental, Genetic and Nutritional Epidemiology Research Center, Section of Public Health, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Tommaso Filippini
- CREAGEN - Environmental, Genetic and Nutritional Epidemiology Research Center, Section of Public Health, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Lauren A Wise
- Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA
| | - Daniela Lasagni
- Transfusion Medicine Unit, AUSL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Tiziana De Luca
- Transfusion Medicine Unit, AUSL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Sabrina Sucato
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Elisa Polledri
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy
| | - Marcella Malavolti
- CREAGEN - Environmental, Genetic and Nutritional Epidemiology Research Center, Section of Public Health, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | - Chiara Rigon
- CREAGEN - Environmental, Genetic and Nutritional Epidemiology Research Center, Section of Public Health, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy
| | | | | | - Roberto Baricchi
- Transfusion Medicine Unit, AUSL-IRCCS di Reggio Emilia, Reggio Emilia, Italy
| | - Silvia Fustinoni
- Department of Clinical Sciences and Community Health, University of Milan, Milan, Italy; IRCCS Ca' Granda Foundation Maggiore Policlinico Hospital, Milan, Italy
| | - Marco Vinceti
- CREAGEN - Environmental, Genetic and Nutritional Epidemiology Research Center, Section of Public Health, Department of Biomedical, Metabolic and Neural Sciences, University of Modena and Reggio Emilia, Modena, Italy; Department of Epidemiology, Boston University School of Public Health, Boston, MA, USA.
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13
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Treviño S, Pulido G, Fuentes E, Handal-Silva A, Moreno-Rodríguez A, Venegas B, Flores G, Guevara J, Díaz A. Effect of cadmium administration on the antioxidant system and neuronal death in the hippocampus of rats. Synapse 2022; 76:1-16. [PMID: 35709361 DOI: 10.1002/syn.22242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 05/12/2022] [Accepted: 05/30/2022] [Indexed: 11/12/2022]
Abstract
Cadmium (Cd) is a heavy metal classified as a carcinogen whose exposure could affect the function of the central nervous system. Studies suggest that Cd modifies neuronal morphology in the hippocampus and affects cognitive tasks. The oxidative stress pathway is proposed as a mechanism of toxicity. However, this mechanism is not precise yet. This study aimed to evaluate the effect of Cd administration on oxidative stress markers in the male rat's hippocampus. Male Wistar rats were divided into (1) control (drinking water) and (2) treatment with Cd (32.5 ppm of cadmium chloride (CdCl2 ) in water). The Cd was administered for 2, 3, and 4 months. The results show that the oral administration of CdCl2 increased the concentration of Cd in plasma and hippocampus, and this response is time-dependent on its administration. Likewise, it caused an increase in lipid peroxidation and nitrosative stress markers. Moreover, it increased reactive astrogliosis and antioxidant enzyme activity. Consequently, the progression of the oxidative response exacerbated neurodegeneration in hippocampal cells. Our results suggest that Cd exposure induces a severe oxidative response that contributes critically to hippocampal neurodegeneration. It is suggested that exposure to Cd increases the risk of developing neurological diseases, which contributes to a decrease in the quality of life of the human and the environment in which it lives.
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Affiliation(s)
- Samuel Treviño
- Faculty of Chemical Sciences, Department of Pharmacy, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Guadalupe Pulido
- Faculty of Chemical Sciences, Department of Pharmacy, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Estefania Fuentes
- Faculty of Chemical Sciences, Department of Pharmacy, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Anabella Handal-Silva
- Department of Biology and Reproductive Toxicology, Science Institute, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Albino Moreno-Rodríguez
- Faculty of Chemical Sciences, Department of Pharmacy, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Berenice Venegas
- Biological Sciences Faculty, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Gonzalo Flores
- Neuropsychiatry Laboratory, Institute of Physiology, Benemerita Autonomous University of Puebla, Puebla, Mexico
| | - Jorge Guevara
- Faculty of Medicine, Department of Biochemistry, National Autonomous University of Mexico, Mexico City, Mexico
| | - Alfonso Díaz
- Faculty of Chemical Sciences, Department of Pharmacy, Benemerita Autonomous University of Puebla, Puebla, Mexico
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14
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Tan WT, Zhou H, Tang SF, Zeng P, Gu JF, Liao BH. Enhancing Cd(II) adsorption on rice straw biochar by modification of iron and manganese oxides. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2022; 300:118899. [PMID: 35085653 DOI: 10.1016/j.envpol.2022.118899] [Citation(s) in RCA: 51] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 01/04/2022] [Accepted: 01/22/2022] [Indexed: 06/14/2023]
Abstract
Metal oxide-modified biochar showed excellent adsorption performance in wastewater treatment. Iron nitrate and potassium permanganate were oxidative modifiers through which oxygen-containing groups and iron-manganese oxides could be introduced into biochar. In this study, iron-manganese (Fe-Mn) oxide-modified biochar (BC-FM) was synthesized using rice straw biochar, and the adsorption process, removal effect, and the mechanism of cadmium (Cd) adsorption on BC-FM in wastewater treatment were explored through batch adsorption experiments and characterization (SEM, BET, FTIR, XRD, and XPS). Adsorption kinetics showed that the maximum adsorption capacity of BC-FM for Cd(II) was 120.77 mg/g at 298 K, which was approximately 1.5-10 times the amount of adsorption capacity for Cd(II) by potassium-modified or manganese-modified biochar as mentioned in the literature. The Cd(II) adsorption of BC-FM was well fit by the pseudo-second-order adsorption and Langmuir models, and it was a spontaneous and endothermic process. Adsorption was mainly controlled via a chemical adsorption mechanism. Moreover, BC-FM could maintain a Cd removal rate of approximately 50% even when reused three times. Cd(II) capture by BC-FM was facilitated by coprecipitation, surface complexation, electrostatic attraction, and cation-π interaction. Additionally, the loaded Fe-Mn oxides also played an important role in the removal of Cd(II) by redox reaction and ion exchange in BC-FM. The results suggested that BC-FM could be used as an efficient adsorbent for treating Cd-contaminated wastewater.
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Affiliation(s)
- Wen-Tao Tan
- College of Environment Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Hang Zhou
- College of Environment Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China; Hunan Engineering Laboratory for Control of Rice Quality and Safety, Changsha, 410004, China.
| | - Shang-Feng Tang
- College of Environment Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China
| | - Peng Zeng
- College of Environment Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China; Hunan Engineering Laboratory for Control of Rice Quality and Safety, Changsha, 410004, China
| | - Jiao-Feng Gu
- College of Environment Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China; Hunan Engineering Laboratory for Control of Rice Quality and Safety, Changsha, 410004, China
| | - Bo-Han Liao
- College of Environment Science and Engineering, Central South University of Forestry and Technology, Changsha, 410004, China; Hunan Engineering Laboratory for Control of Rice Quality and Safety, Changsha, 410004, China
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15
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Ibiwoye MO, Snyder EA, Lyons J, Vasauskas AA, Hernandez MJ, Summerlin AR, Foster JD. The Effect of Short-Term Exposure to Cadmium on the Expression of Vascular Endothelial Barrier Antigen in the Developing Rat Forebrain and Cerebellum: A Computerized Quantitative Immunofluorescent Study. Cureus 2022; 14:e23848. [PMID: 35402117 PMCID: PMC8986507 DOI: 10.7759/cureus.23848] [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: 03/17/2022] [Accepted: 04/05/2022] [Indexed: 11/05/2022] Open
Abstract
Clinical and laboratory studies have shown that environmental exposure to cadmium produces damage to several organs, including bones, lungs, and kidneys. The involvement of cadmium in central nervous system (CNS) disorders has also been widely reported, but the precise pathophysiological mechanism is not yet fully understood. Children who were exposed to cadmium during pregnancy are known to suffer from developmental delays, learning difficulties, attention deficit hyperactivity disorder (ADHD), and other cognitive and neurobehavioral deficits. Results from numerous studies suggest that dysfunction of the blood-brain barrier (BBB) structures is an important step in the neurotoxicity of cadmium. A rat-specific BBB marker protein, the endothelial barrier antigen (EBA), has been previously isolated and classified by Sternberger and others. The mouse IgG1 clone, anti-endothelial barrier antigen (anti-EBA), detects a protein triplet (23.5kDa, 25 kDa, and 30kDa) localized to the luminal surface of central and peripheral nervous system (CNS and PNS) vascular endothelial cells with selective permeability barrier functions. This marker has been widely used for characterizing BBB alterations under demyelinating, inflammatory, and other CNS pathologies. Many studies have been published using the rat model system for studying the neurotoxic effect of acute and chronic exposure to cadmium. We applied the indirect immunofluorescent techniques using the anti-EBA antibody in conjunction with the Olympus cellSens computerized image analysis to detect and quantify the surface areas of BBB-competent microvessel profiles in paraformaldehyde-fixed, paraffin-embedded brains of term-delivered young rats after intraperitoneal injection of a single dose of cadmium chloride. We detected a statistically significant reduction in EBA-positive microvessel surface areas in the forebrain (t = 5.86, df = 1789, p-value < 0.001) and cerebellum (t=73.40, df=1337, p < 0.001) of cadmium-treated rats compared to the normal controls. Thus, this study supports the hypothesis that the EBA is a sensitive and measurable indicator for quantitative assessment of the impact of cadmium exposure in the developing rat brain.
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16
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Salam A, Khan AR, Liu L, Yang S, Azhar W, Ulhassan Z, Zeeshan M, Wu J, Fan X, Gan Y. Seed priming with zinc oxide nanoparticles downplayed ultrastructural damage and improved photosynthetic apparatus in maize under cobalt stress. JOURNAL OF HAZARDOUS MATERIALS 2022; 423:127021. [PMID: 34488098 DOI: 10.1016/j.jhazmat.2021.127021] [Citation(s) in RCA: 68] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 08/20/2021] [Accepted: 08/22/2021] [Indexed: 05/07/2023]
Abstract
It is widely known that cobalt (Co) stress adversely affects plant growth and biomass accumulation, posing serious threats to crop production and food security. Nanotechnology is an emerging field in crop sciences for its potential in improving crop production and mitigating various stresses. Although there have been several studies reporting the toxic effects of zinc oxide nanoparticles (ZnO NPs) on different crops, their role in ameliorating heavy metal toxicity are still poorly understood. This study aimed to investigate the beneficial effects of seed priming with ZnO NPs in mitigating the phytotoxicity induced by Co stress. Our results demonstrated that ZnO NPs significantly improved the plant growth, biomass, and photosynthetic machinery in maize under Co stress. The NPs priming reduced ROS and MDA accumulations in maize shoots. More importantly, ZnO NPs alleviated the toxic effects of Co by decreasing its uptake and conferred stability to plant ultra-cellular structures and photosynthetic apparatus. Furthermore, a higher accumulation of nutrient content and antioxidant enzymes were found in NPs-primed seedlings. Collectively, we provide first evidence to demonstrate the alleviation of Co toxicity via ZnO NPs seed priming in maize, thus, illustrating the potential role of ZnO NPs to be applied as a stress mitigation agent for the crops grown in Co contaminated areas to enhance crop growth and yield.
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Affiliation(s)
- Abdul Salam
- Zhejiang Key Lab of Crop Germplasm, Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Ali Raza Khan
- Zhejiang Key Lab of Crop Germplasm, Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Li Liu
- Institute of Food Crops, Yunnan Academy of Agricultural Sciences, Kunming, Yunnan, China
| | - Shuaiqi Yang
- Zhejiang Key Lab of Crop Germplasm, Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Wardah Azhar
- Zhejiang Key Lab of Crop Germplasm, Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Zaid Ulhassan
- Zhejiang Key Lab of Crop Germplasm, Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Muhammad Zeeshan
- Zhejiang Key Lab of Crop Germplasm, Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Junyu Wu
- Zhejiang Key Lab of Crop Germplasm, Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China
| | - Xingming Fan
- Institute of Food Crops, Yunnan Academy of Agricultural Sciences, Kunming, Yunnan, China.
| | - Yinbo Gan
- Zhejiang Key Lab of Crop Germplasm, Department of Agronomy, College of Agriculture and Biotechnology, Zhejiang University, Hangzhou, China; Hainan Institute of Zhejiang University, Building 11, Yonyou Industrial Park, Yazhou Bay Science and Technology City, Yazhou District, Sanya, Hainan Province 572025, China.
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17
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Rapid Biosynthesis of Cadmium Sulfide (CdS) Nanoparticles Using Culture Supernatants of Viridibacillus arenosi K64. BIONANOSCIENCE 2022. [DOI: 10.1007/s12668-021-00922-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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18
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Esfanjani L, Farhadyar N, Shahbazi HR, Fathi F. Development of a method for cadmium ion removal from the water using nano γ-alumina/β-cyclodextrin. Toxicol Rep 2021; 8:1877-1882. [PMID: 34900603 PMCID: PMC8639390 DOI: 10.1016/j.toxrep.2021.11.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2021] [Revised: 10/17/2021] [Accepted: 11/08/2021] [Indexed: 12/07/2022] Open
Abstract
Cadmium is one of the heavy metals, which is harmful to humans and animals. The toxicity of this metal in the body has caused many studies to remove it in water and soil. Because according to WHO, the maximum concentration of cadmium in drinking water is 3 μg/L. In this study, trace amount of Cd ion or Cd(II) in water and in the industrial effluent sample were determined via the solid phase extraction approach based on the γ-Alumina/β-Cyclodextrin as a sorbent followed by flame atomic absorption spectrometry. The effects of various parameters such as pH, the Cd(II) concentration, amount of sorbent, and type and concentration of the eluting agents were determined on the removal efficiency. Maximum removal of Cd(II) was obtained at pH 7. The limit of detection (LOD) and repeatability (RSD%) values (0.389) obtained were found to be in the ranges of 6.77-6.81 μg/L. The results showed adsorbed cadmium ions are recovered on the nano γ- alumina/β-cyclodextrin surface with an optimum amount of 16 mL of 0.3 M nitric acid as eluting agent at pH 7.
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Affiliation(s)
- L Esfanjani
- Department of Chemistry, Varamin- Pishva Branch, Islamic Azad University, Varamin, Iran
| | - N Farhadyar
- Department of Chemistry, Varamin- Pishva Branch, Islamic Azad University, Varamin, Iran
| | - H R Shahbazi
- Department of Chemistry, Varamin- Pishva Branch, Islamic Azad University, Varamin, Iran
| | - F Fathi
- Department of Medicinal Chemistry, Pharmacy Faculty, Mazandaran University of Medical Sciences, Sari, Iran
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19
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Valiakos E, Marselos M, Skaltsa H. Inorganic substances and their uses in Nikolaos Myrepsos' Dynameron. Recent applications in modern therapy. Toxicol Rep 2021; 8:1792-1802. [PMID: 34722164 PMCID: PMC8536502 DOI: 10.1016/j.toxrep.2021.10.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2021] [Revised: 10/05/2021] [Accepted: 10/09/2021] [Indexed: 11/22/2022] Open
Abstract
Inorganic compounds have been known and used since antiquity. Dynameron is the largest Byzantine medical manuscript divided into 24 sections, in accordance with the letters of the Hellenic alphabet, which contains 2667 recipes. The majority of them contain ingredients of plant origin, followed by animal origin, while fewer inorganic substances are quoted. In the present study, the latter ones are listed. Moreover, the information on the uses of inorganic ingredients in the treatment of many diseases in the late Byzantine era is presented and their evaluation in light of the modern Pharmacology and Toxicology.
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Affiliation(s)
- E. Valiakos
- Faculty of Nursing, School of Health Sciences, University of Thessaly, Gaiopolis, 41500, Larissa, Greece
| | - M. Marselos
- Department of Pharmacology, Medical Faculty, School of Health Sciences, University of Ioannina, 451 10, Ioannina, Greece
| | - H. Skaltsa
- Department of Pharmacognosy and Chemistry of Natural Products, Faculty of Pharmacy, National & Kapodistrian University of Athens, Panepistimiopolis Zografou, 15771, Athens, Greece
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20
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Wang HJ, Yang GG, Wu SS, Meng ZF, Zhang JM, Cao Y, Zhang YP. Toxicity of CuS/CdS semiconductor nanocomposites to liver cells and mice liver. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 784:147221. [PMID: 34088078 DOI: 10.1016/j.scitotenv.2021.147221] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 04/01/2021] [Accepted: 04/14/2021] [Indexed: 06/12/2023]
Abstract
Semiconductor nanomaterials not only bring great convenience to peoples lives but also become a potential hazard to human health. The purpose of this study was to evaluate the toxicity of CuS/CdS nanocomposites in hepatocytes and mice liver. The CuS/CdS semiconductor nanocomposites were synthesized by a biomimetic synthesis - ion exchange strategy. Nanosize was confirmed by high-resolution transmission electron microscopy and dynamic light scattering. The composition and physical properties were measured by powder X-ray diffraction, Fourier transform infrared spectra, atomic absorption spectroscopy, thermogravimetry-differential scanning calorimetry and zeta potential analysis. The results revealed that CuS/CdS nanocomposites had 8.7 nm diameter and negative potential. Ion exchange time could adjust the ratio of CuS and CdS in nanocomposites. The toxicological study revealed that CuS/CdS nanocomposites could be internalized into liver cells, inhibited endogenous defense system (e.g. GSH and SOD), induced the accumulation of oxidation products (e.g. ROS, GSSG and MDA), and caused hepatocyte apoptosis. The in vivo experiments in Balb/c mice showed that the experimental dose (4 mg/kg) didn't cause observable changes in mice behavior, physical activity and pathological characteristics, but the continuous accumulation of Cd2+ in the liver and kidney might be responsible for its long-term toxicity.
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Affiliation(s)
- Hua-Jie Wang
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China
| | - Gang-Gang Yang
- Department of Urology, Tongren Hospital, Shanghai Jiao Tong University School of Medicine, No 1111 Xianxia Rd, Shanghai 200336, China
| | - Sha-Sha Wu
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Zhi-Fen Meng
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China
| | - Jia-Min Zhang
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China
| | - Ying Cao
- Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China.
| | - Yu-Ping Zhang
- School of Chemistry and Chemical Engineering, Henan Institute of Science and Technology, Xinxiang, Henan 453003, China.
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21
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D E, Hemavathi M, Deenadhayalan N, Suman T, Sathiyapriya R. A novel approach for synthesis of silver nanoparticles using Pila virens shell and its mosquito larvicidal activity. Toxicol Rep 2021; 8:1248-1254. [PMID: 34195016 PMCID: PMC8233167 DOI: 10.1016/j.toxrep.2021.06.018] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 06/06/2021] [Accepted: 06/14/2021] [Indexed: 11/30/2022] Open
Abstract
Mosquito act as a vector for variety of deadly diseases. In this study, larvicide activity was investigated in relation to Aedes aegypti (A. aegypti) and Culex quinquefasciatus (C. quinquefasciatus) of synthesised silver nanoparticles (AgNPs) of the Pila virens (P.virens) shell extract. The characterization techniques UV-vis spectral, Fourier transforms infrared spectroscopy (FTIR),High Resonance Scanning electron microscope (HR-SEM) analysis, X-ray diffraction studies (XRD), High Resonance-Transmission electron microscopy (HR-TEM) used to characterize biosynthesized AgNPs. UV-vis, absorption showed peaks of 450 nm for the biosynthesised AgNPs, SEM observed spherical shaped particles of 25.9-28.9 nm in size and the XRD pattern shows the synthesized AgNPs fcc structure. FTIR investigation shown that the esters, carboxylic acid and ether as functional groups have been intricate in the reduction of metal ions. The larvicidal efficacy of synthesized AgNPs towards a larvae of A. aegypti LC50and LC90 value of (37.87 and 132.86 ppm) and C. quinquefasciatus was (14.70 and 28.96 ppm) respectively. The synthesized AgNPs of P. virens confirmed highest mortality towards larvae of and A. aegypti and C. quinquefasciatus.
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Affiliation(s)
- Elumalai D
- PG. Department of Zoology, Pachaiyappas College for Men, Kanchipuram, 631501, Tamil Nadu, India
| | - M Hemavathi
- Department of Zoology, Arignar Anna Govt. Arts & Science College for Women, Walajapet, Vellore, 632513, Tamil Nadu, India
| | - N Deenadhayalan
- PG. Department of Zoology, Pachaiyappas College for Men, Kanchipuram, 631501, Tamil Nadu, India
| | - T.Y. Suman
- Graduate School of FEED of Eco-Friendly Offshore Structure, Changwon National University, Changwon, Gyeongsangnamdo, 51140, Republic of Korea
- School of Civil, Environmental and Chemical Engineering, Changwon National University, Changwon, Gyeongsangnamdo, 51140, Republic of Korea
| | - R Sathiyapriya
- Department of Physics, Mahendra Engineering College, Namakkal, 637503, Tamil Nadu, India
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22
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Zinc oxide nanocatalyst mediates cadmium and lead toxicity tolerance mechanism by differential regulation of photosynthetic machinery and antioxidant enzymes level in cotton seedlings. Toxicol Rep 2021; 8:295-302. [PMID: 33552928 PMCID: PMC7850960 DOI: 10.1016/j.toxrep.2021.01.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2020] [Revised: 01/20/2021] [Accepted: 01/21/2021] [Indexed: 01/14/2023] Open
Abstract
ZnONPs enhanced plant growth and biomass by alleviation of heavy metal toxicity. Increased level photosynthetic pigments, MDA and protein contents recorded in cotton leaves in co-presence of ZnONPs. The activity of antioxidative enzymes was promoted significantly in the presence of ZnONPs under Cd and Pb induced stress. No distinct genomic alterations were recorded in the RAPD banding pattern.
Cadmium (Cd) and Lead (Pb) heavy metal pollution induced toxicity severely affects the plant growth and yield of various agriculutral crops worldwide. The present study discuss the prime role of phycomolecules coated zinc oxide nanoparticles (ZnONPs) application on development of heavy metal tolerance mechanism in cotton (Gossypium hirsutum L.) seedlings better than exposed to Cd and Pb treatments alone. Co-exposure of ZnONPs along with heavy metal treatments significantly promoted the shoot, and root growth as well as biomass compared to control, while it was down-regulated in Cd and Pb exposed seedlings. The intervention of ZnONPs had up-regulated the level of chlorophyll a, b and carotenoid contents in leaves grown under Cd and Pb treatments than the untreated control. Similarly, the level of total soluble protein and malondialdehyde (MDA-lipid peroxidation) contents was significantly increased in the co-presence of ZnONPs along with Cd and Pb treatments over their respective control. Accumulation of antioxidant defense enzymes viz., superoxide dismutase (SOD), catalase (CAT), peroxidase (POX) and ascorbate peroxidase (APX) was up-regulated significantly in seedlings upon co-exposure of ZnONPs with Cd and Pb treatments. Random amplified polymorphic DNA (RAPD) fingerprinting analysis exhibited no genomic changes/alterations in seedlings by co-existence of ZnONPs with heavy metals. Overall, the present results indicate that the addition of ZnONPs with Cd and Pb ion exposure protects cotton seedlings by alleviating heavy metal induced phytotoxicity and promoted physiochemical characteristics via differential regulation of photosynthetic machinery as well as antioxidative defense mechanisms in cotton seedlings. Results strongly suggest that phycomolecule coated ZnO nanoparticles could be effectively used as nanofertilizer to cultivate agronomically important crops in heavy metal polluted soil in the future.
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23
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Mohammadi H, Nekobahr E, Akhtari J, Saeedi M, Akbari J, Fathi F. Synthesis and characterization of magnetite nanoparticles by co-precipitation method coated with biocompatible compounds and evaluation of in-vitro cytotoxicity. Toxicol Rep 2021; 8:331-336. [PMID: 33659189 PMCID: PMC7892792 DOI: 10.1016/j.toxrep.2021.01.012] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2019] [Revised: 01/18/2021] [Accepted: 01/19/2021] [Indexed: 01/30/2023] Open
Abstract
Modified magnetite nanoparticles had low cytotoxicity. Nanoparticles had high surface modification and manipulation. Magnetite nanoprticles coated with silica and oleic acid was lower toxicity than other coatings.
Recent advances in the use of magnetite nanoparticles for biomedical applications have led to special attention to these nanoparticles. The unique properties of magnetite nanoparticles such as superparamagnetism, low toxicity, and the ability to bond with biological molecules, are suitable for drug delivery, diagnostic methods and therapeutic approaches. The aim of this study was to synthesize magnetite nanoparticles with different biocompatible coatings and investigate their cytotoxicity. Magnetite nanoparticles were synthesized by co-precipitation method and the cytotoxicity of these nanoparticles was investigated with Hepatoma G2 cell using the MTT assay. Treated cells, did not showed any evident cell cycle arrest. The Fourier Transmission Infrared (FTIR) spectroscopy, X- ray powder Diffraction (XRD), Transmission Electron Microscopy (TEM) were evaluated. The results of XRD showed the coated magnetite nanoparticles were 10−12 nm and this size also achieved with TEM images. Synthesized magnetite nanoparticles with SiO2 and oleic acid coatings had lower cytotoxicity than other coatings.
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Affiliation(s)
- Hamidreza Mohammadi
- Department of Toxicology and Pharmacology, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Elahe Nekobahr
- Ramsar Campus, Mazandaran University of Medical Sciences, Ramsar, Iran
| | - Javad Akhtari
- The Health of Plant and Livestock Products Research Center, Department of Medical Nanotechnology, Faculty of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Majid Saeedi
- Department of Pharmaceutics, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Jafar Akbari
- Department of Pharmaceutics, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
| | - Fereshteh Fathi
- Department of Medicinal Chemistry, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran
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24
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Loganathan S, Shivakumar MS, Karthi S, Nathan SS, Selvam K. Metal oxide nanoparticle synthesis (ZnO-NPs) of Knoxia sumatrensis (Retz.) DC. Aqueous leaf extract and It's evaluation of their antioxidant, anti-proliferative and larvicidal activities. Toxicol Rep 2020; 8:64-72. [PMID: 33391999 PMCID: PMC7773563 DOI: 10.1016/j.toxrep.2020.12.018] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 12/15/2020] [Accepted: 12/16/2020] [Indexed: 12/29/2022] Open
Abstract
In around the world, mosquito control is considered a most important because of the incapable of synthetic insecticides and the ecological pollution about by them. In this manner, need the eco-friendly insecticides to efficient control the mosquito disease is the need of the hour. We synthesized the eco-friendly of zinc oxide nanoparticles (ZnO-NPs) using the Knoxia sumatrensis aqueous leaf extract (Ks-ALE) as a reducing and stabilizing agent. The synthesis of ZnO-NPs was confirmed by UV with an absorption peak at 354 nm. ZnO-NPs crystal structure was analyzed by X-ray diffraction (XRD). Fourier transform infrared spectroscopy (FT-IR) spectra revealed the chloride, cyclic alcohols, sulfonamies, carboxylic acids, oximes, phosphines, alkenes and alcohol & phenol. Field emission-scanning electron microscopy (FE-SEM) showed that the NP's are rod shaped with 50-80 nm size and also energy dispersive spectra (EDaX) spectra showed presence of zinc. Antioxidant assay showed superior activity and evidenced by DPPH, ABTS and H2O2 radical assays. Furthermore, the ZnO-NPs exhibited strong activity in MCF-7 cell line with IC50 value is 58.87 μg/mL. Mosquito larvicidal activity of ZnO-NPs produced significant activity and excellent larvicidal activity was noticed in Cx. quinquefasciatus with LC50 0.08, mg/mL and LC9019.46 mg/mL. This study suggests that synthesized ZnO-NPs using Knoxia sumatrensis leaf extract have good biological activities and it makes them an ideal candidate for pharmacological studies.
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Affiliation(s)
- Settu Loganathan
- Department of Botany, Periyar University, Periyar Palkalai Nagar, Salem, 636 011, Tamil Nadu, India
| | | | - Sengodan Karthi
- Sri Paramakalyani Centre for Excellence and Environmental Sciences, Manonmaniam Sundaranar University, Alwarkurichi, Tamil Nadu, 627 412, India
| | - Sengottayan Senthil Nathan
- Sri Paramakalyani Centre for Excellence and Environmental Sciences, Manonmaniam Sundaranar University, Alwarkurichi, Tamil Nadu, 627 412, India
| | - Kuppusamy Selvam
- Department of Botany, Periyar University, Periyar Palkalai Nagar, Salem, 636 011, Tamil Nadu, India
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25
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Kwok ML, Li ZP, Law TYS, Chan KM. Promotion of cadmium uptake and cadmium-induced toxicity by the copper transporter CTR1 in HepG2 and ZFL cells. Toxicol Rep 2020; 7:1564-1570. [PMID: 33294387 PMCID: PMC7695923 DOI: 10.1016/j.toxrep.2020.11.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 11/05/2020] [Accepted: 11/09/2020] [Indexed: 11/20/2022] Open
Abstract
Cadmium (Cd2+) is considered a human carcinogen as it causes oxidative stress and alters DNA repair responses. However, how Cd2+ is taken up by cells remains unclear. We hypothesized that Cd2+ could be transported into cells via a membrane copper (Cu) transporter, CTR1. CTR1 expression was not affected by Cd2+ exposure at the mRNA or protein level. Stable cell lines overexpressing either hCTR1, in the human liver cell line HepG2, or zCTR1, in the zebrafish liver cell line ZFL, were created to study their responses to Cd2+ insult. It was found that both HepG2 and ZFL cells overexpressing CTR1 had higher Cd2+ uptake and thus became sensitive to Cd2+. In contrast, hCTR1 knockdown in HepG2 cells led to a reduced uptake of Cd2+, making the cells relatively resistant to Cd2+. Localization studies revealed that hCTR1 had a clustered pattern after Cd2+ exposure, possibly in an attempt to reduce both Cd2+ uptake and Cd2+-induced toxicity. These in vitro results indicate that CTR1 can transport Cd2+ into the cell, resulting in Cd2+ toxicity.
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Key Words
- CTR1, High-affinity Cu-uptake protein 1
- Cadmium toxicity
- Cadmium uptake
- Cd, Cadmium
- Copper transporter
- Cu, Copper
- LC50, Median lethal concentration
- PBS, Phosphate-buffered saline
- Stable cell line
- h, hours
- hCTR1, Human CTR1 protein
- hCtr1, Human CTR1 gene
- min, minutes
- qPCR, Quantitative real-time PCR
- ybx1, Y box-binding protein 1 gene
- zCTR1, Zebrafish CTR1 protein
- zCtr1, Zebrafish CTR1 gene
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26
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Park SH, Lee JY, Jhee KH, Yang SA. Amyloid-ß peptides inhibit the expression of AQP4 and glutamate transporter EAAC1 in insulin-treated C6 glioma cells. Toxicol Rep 2020; 7:1083-1089. [PMID: 32953460 PMCID: PMC7484518 DOI: 10.1016/j.toxrep.2020.08.032] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Revised: 08/09/2020] [Accepted: 08/27/2020] [Indexed: 01/30/2023] Open
Abstract
Astrocytic aquaporin 4 (AQP4) facilitates glutamate clearance via regulation of the glutamate transporter function, involved in the modulation of brain plasticity and cognitive function to prevent neurodegenerative disorders such as Alzheimer's disease (AD). In in vitro studies, the C6 rat glioma cell line is a widely applied aging model system to investigate changes in glial cells associated with aging or AD. However, the neurotoxicity mechanism whether AQP4 mediate glutamate uptake in Aβ-stimulated C6 cell remain uncertain. In this study, we examined the effects of Aβ on the expression of AQP4, Glu transporters, Glu uptake, and cell viability in insulin-treated C6 cells. Our results showed that the expression of AQP4 mRNA and protein was significantly enhanced by insulin in older cultures (passage 45), and the expression was inhibited by Aβ at 10 μM. In addition, the cell viability and glutamate uptake in Aβ-treated C6 cells were decreased in dose-dependent manners. GFAP showed similar changes in gene and protein expression patterns as AQP4, but no significant alterations were seen in GLAST expression. In C6 cells, the glutamate transport was found to be EAAC1, not GLT-1. EAAC1 expression was decreased by the treatment of Aβ. Taken together, our findings suggest that C6 cells may have astrocytic characteristics, and the astrocytic cytotoxicity induced by Aβ was mediated by reduction of glutamate uptake through AQP4/EAAC1 pathway in C6 cells. This indicates that C6 glioma cells could be used to study the roles of AQP4 on astrocyte function in AD.
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Affiliation(s)
- Se-Ho Park
- Department of Applied Chemistry, Kumoh National Institute of Technology, Gumi 39177, Republic of Korea.,Institute of Natural Science, Keimyung University, Daegu 42601, Republic of Korea
| | - Jae-Yeul Lee
- Department of Applied Chemistry, Kumoh National Institute of Technology, Gumi 39177, Republic of Korea.,Institute of Natural Science, Keimyung University, Daegu 42601, Republic of Korea
| | - Kwang-Hwan Jhee
- Department of Applied Chemistry, Kumoh National Institute of Technology, Gumi 39177, Republic of Korea
| | - Seun-Ah Yang
- Department of Food Science and Technology, Keimyung University, Daegu 42601, Republic of Korea
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27
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Oladele JO, Oyeleke OM, Oladele OT, Olaniyan M. Neuroprotective mechanism of Vernonia amygdalina in a rat model of neurodegenerative diseases. Toxicol Rep 2020; 7:1223-1232. [PMID: 32995297 PMCID: PMC7509141 DOI: 10.1016/j.toxrep.2020.09.005] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2020] [Revised: 09/03/2020] [Accepted: 09/06/2020] [Indexed: 02/08/2023] Open
Abstract
The global upsurge in the prevalence of neurodegenerative diseases in recent years has been associated with increase in toxic chemical exposure and release into the biosystem, having over 46.8 million people suffer dementia worldwide. This study focused on elucidating the neuroprotective mechanism of methanol leaf extract of Vernonia amygdalina (MLVA) in nitrobenzene-induced neurodegenerative disease in rats. Thirty aged male rats were sorted into five groups of six rats each. Group A received distilled water while 100 mg/kg bw of nitrobenzene was orally administered to groups (B to E) to induce neurodegeneration. Group B (disease control) was untreated, while Group C and D were treated with oral administration of 200 and 400 mg/kg bw of MLVA respectively and group E with vitamin E for 14 days. Locomotor behaviour was analysed using video-tracking software while the midbrain, cerebrum and cerebellum of the rats were processed for biochemical analyses. Results showed that treatment of nitrobenzene-induced neurodegenerative rats with MLVA significantly (p < 0.05) increase dopamine, GSH, antioxidant enzymes levels; and decrease acetylcholinesterase activity, biomarkers of inflammatory and oxidative stress level. Also, MLVA enhanced neurobehavioural and locomotor activities in all markers assessed. Taken together, neuroprotective mechanisms of MLVA can be linked to its antioxidant, acetylcholinesterase suppression, lipid peroxidation inhibition, anti-inflammatory and neurobehavioural restoring abilities.
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Affiliation(s)
- Johnson O. Oladele
- Biochemistry Unit, Department of Chemical Sciences, Faculty of Science, Kings University, Ode-Omu, Osun State, Nigeria
| | - Oyedotun M. Oyeleke
- Biochemistry Unit, Department of Chemical Sciences, Faculty of Science, Kings University, Ode-Omu, Osun State, Nigeria
- Phytomedicine and Toxicology Laboratories, Department of Biochemistry, Faculty of Basic and Applied Sciences, Osun State University, Osogbo, Nigeria
| | - Oluwaseun T. Oladele
- Phytomedicine and Toxicology Laboratories, Department of Biochemistry, Faculty of Basic and Applied Sciences, Osun State University, Osogbo, Nigeria
| | - Monisola Olaniyan
- Biochemistry Unit, Department of Chemical Sciences, Faculty of Science, Kings University, Ode-Omu, Osun State, Nigeria
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