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Goyal J, Jain P, Jain V, Banerjee D, Bhattacharyya R, Dey S, Sharma R, Rai N. Melamine Exacerbates Neurotoxicity in D-Galactose-Induced Neuronal SH-SY5Y Cells. J Aging Res 2023; 2023:6635370. [PMID: 38045533 PMCID: PMC10689074 DOI: 10.1155/2023/6635370] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 11/01/2023] [Accepted: 11/15/2023] [Indexed: 12/05/2023] Open
Abstract
Numerous studies have depicted the role of diet and environmental toxins in aging. Melamine (Mel) is a globally known notorious food adulterant, and its toxicity has been shown in several organs including the brain. However, till now, there are no reports regarding Mel neurotoxicity in aging neurons. So, this study examined the in vitro neurotoxicity caused by Mel in the D-galactose (DG)-induced aging model of neuronal SH-SY5Y cells. In the present study, the neuronal SH-SY5Y cells were treated with DG and Mel separately and in combination to assess the neurotoxicity potential using MTT assay and neurite length measurement. Further, the superoxide dismutase (SOD), catalase (CAT), and total antioxidant activities were evaluated followed by the determination of the intracellular reactive oxygen species (ROS), mitochondrial membrane potential (MMP), and caspase3 (Casp3) activity. The cotreatment of Mel and DG in neuronal SH-SY5Y cells showed maximum cell death than the cells treated with DG or Mel individually and untreated control cells. The neurite length shrinkage and ROS production were maximum in the DG and Mel cotreated cells showing exacerbated toxicity of Mel. The activity of SOD, CAT, and total antioxidants was also found to be lowered in the cotreatment group (Mel + DG) than in Mel- or DG-treated and untreated cells. Further, the combined toxicity of Mel and DG also elevated the Casp3 activity more than any other group. This is the first study showing the increased neurotoxic potential of Mel in an aging model of neuronal SH-SY5Y cells which implicates that Mel consumption by the elderly may lead to increased incidences of neurodegeneration like Alzheimer's disease and Parkinson's disease.
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Affiliation(s)
- Juhi Goyal
- Department of Biotechnology, Mohanlal Sukhadia University, Udaipur, India
| | - Preet Jain
- Department of Biotechnology, Mohanlal Sukhadia University, Udaipur, India
| | - Vivek Jain
- Department of Pharmaceutical Sciences, Mohanlal Sukhadia University, Udaipur, Rajasthan, India
| | - Dibyajyoti Banerjee
- Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Rajasri Bhattacharyya
- Department of Experimental Medicine and Biotechnology, Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
| | - Sharmistha Dey
- Department of Biophysics, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Rambabu Sharma
- Department of Microbiology, Pacific Institute of Medical Sciences, Udaipur, India
| | - Nitish Rai
- Department of Biotechnology, Mohanlal Sukhadia University, Udaipur, India
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Optimised techniques for high-throughput screening of differentiated SH-SY5Y cells and application for neurite outgrowth assays. Sci Rep 2021; 11:23935. [PMID: 34907283 PMCID: PMC8671469 DOI: 10.1038/s41598-021-03442-1] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 12/01/2021] [Indexed: 11/16/2022] Open
Abstract
Neuronal models are a crucial tool in neuroscientific research, helping to elucidate the molecular and cellular processes involved in disorders of the nervous system. Adapting these models to a high-throughput format enables simultaneous screening of multiple agents within a single assay. SH-SY5Y cells have been widely used as a neuronal model, yet commonly in an undifferentiated state that is not representative of mature neurons. Differentiation of the SH-SY5Y cells is a necessary step to obtain cells that express mature neuronal markers. Despite this understanding, the absence of a standardised protocol has limited the use of differentiated SH-SY5Y cells in high-throughput assay formats. Here, we describe techniques to differentiate and re-plate SH-SY5Y cells within a 96-well plate for high-throughput screening. SH-SY5Y cells seeded at an initial density of 2,500 cells/well in a 96-well plate provide sufficient space for neurites to extend, without impacting cell viability. Room temperature pre-incubation for 1 h improved the plating homogeneity within the well and the ability to analyse neurites. We then demonstrated the efficacy of our techniques by optimising it further for neurite outgrowth analysis. The presented methods achieve homogenously distributed differentiated SH-SY5Y cells, useful for researchers using these cells in high-throughput screening assays.
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Karacaoğlu E. Flusilazole Induced Cytotoxicity and Inhibition of Neuronal Growth in Differentiated SH-SY5Y Neuroblastoma Cells by All-Trans-Retinoic Acid (Atra). Turk J Pharm Sci 2021; 18:597-603. [PMID: 34719187 DOI: 10.4274/tjps.galenos.2021.30676] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
Abstract
Objectives Flusilazole (FLUS) is a broad-spectrum organosilicon triazole fungicide used for protecting economically important cereals and orchard fruits. Considering the exposure route of pesticides, pesticide contamination of food is inevitable. Furthermore, excessive exposure to pesticides causes health problems in both target and non-target organisms. It was aimed to evaluate the effects of the triazole fungicide FLUS on cytotoxicity and neurite extension in differentiated SH-SY5Y neuroblastoma cells. Materials and Methods The SH-SY5Y cells were differentiated into mature neurons using 10-µM all-trans-retinoic acid (RA) treatment for 7 days. Then the differentiated SH-SY5Y cells were treated with 50, 100 and 200 μM FLUS for 24 h. Afterwards, cell viability assays were performed including crystal violet, neutral red cell viability, and lactate dehydrogenase leakage assays. The morphological examinations were performed and neurite lenghts of the cells were measured in all experimental groups. Results FLUS treatment induced cytotoxicity in SH-SY5Y cells differentiated with RA. Significant decreases in cell viability percentages were observed. Furthermore, neurite lengths were negatively affected by the treatment of FLUS at the highest concentration. Conclusion FLUS is a fungicide widely used in agriculture to protect crops from fungal diseases. However, the intensive use of these compounds causes a potential risk to human and environmental health. According to the results of the study, it can be concluded that high concentrations of FLUS cause neurotoxicity by causing neural cell death and adverse effects on neurite outgrowth in differentiated SH-SY5Y cells. FLUS exposure can cause neuronal degeneration in mammals.
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Affiliation(s)
- Elif Karacaoğlu
- Hacettepe University Faculty of Science, Department of Biology, Ankara, Turkey
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Koçtürk S, Serdar B, Erkmen T, Ergür B, Akan P. Comparison of medium supplements in terms of the effects on the differentiation of SH-SY5Y human neuroblastoma cell line. NEUROL SCI NEUROPHYS 2020. [DOI: 10.4103/nsn.nsn_15_20] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
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Branca JJV, Morucci G, Becatti M, Carrino D, Ghelardini C, Gulisano M, Di Cesare Mannelli L, Pacini A. Cannabidiol Protects Dopaminergic Neuronal Cells from Cadmium. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2019; 16:ijerph16224420. [PMID: 31718076 PMCID: PMC6888634 DOI: 10.3390/ijerph16224420] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Revised: 11/01/2019] [Accepted: 11/05/2019] [Indexed: 12/17/2022]
Abstract
The protective effect of cannabidiol (CBD), the non-psychoactive component of Cannabis sativa, against neuronal toxicity induced by cadmium chloride (CdCl2 10 μM) was investigated in a retinoic acid (RA)-differentiated SH-SY5Y neuroblastoma cell line. CBD (1 μM) was applied 24 h before and removed during cadmium (Cd) treatment. In differentiated neuronal cells, CBD significantly reduced the Cd-dependent decrease of cell viability, and the rapid reactive oxygen species (ROS) increase. CBD significantly prevented the endoplasmic reticulum (ER) stress (GRP78 increase) and the subcellular distribution of the cytochrome C, as well as the overexpression of the pro-apoptotic protein BAX. Immunocytochemical analysis as well as quantitative protein evaluation by western blotting revealed that CBD partially counteracted the depletion of the growth associated protein 43 (GAP43) and of the neuronal specific class III β-tubulin (β3 tubulin) induced by Cd treatment. These data showed that Cd-induced neuronal injury was ameliorated by CBD treatment and it was concluded that CBD may represent a potential option to protect neuronal cells from the detrimental effects of Cd toxicity.
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Affiliation(s)
- Jacopo Junio Valerio Branca
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, 50134 Firenze, Italy; (D.C.); (M.G.); (A.P.)
- Correspondence: (J.J.V.B.); (G.M.); Tel.: +39-055-2758067 (J.J.V.B.)
| | - Gabriele Morucci
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, 50134 Firenze, Italy; (D.C.); (M.G.); (A.P.)
- Correspondence: (J.J.V.B.); (G.M.); Tel.: +39-055-2758067 (J.J.V.B.)
| | - Matteo Becatti
- Department of Experimental and Clinical Biomedical Sciences “Mario Serio”, University of Firenze, 50134 Firenze, Italy;
| | - Donatello Carrino
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, 50134 Firenze, Italy; (D.C.); (M.G.); (A.P.)
| | - Carla Ghelardini
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Firenze, 50139 Firenze, Italy; (C.G.); (L.D.C.M.)
| | - Massimo Gulisano
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, 50134 Firenze, Italy; (D.C.); (M.G.); (A.P.)
| | - Lorenzo Di Cesare Mannelli
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Firenze, 50139 Firenze, Italy; (C.G.); (L.D.C.M.)
| | - Alessandra Pacini
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, 50134 Firenze, Italy; (D.C.); (M.G.); (A.P.)
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The Administration of Cadmium for 2, 3 and 4 Months Causes a Loss of Recognition Memory, Promotes Neuronal Hypotrophy and Apoptosis in the Hippocampus of Rats. Neurochem Res 2019; 44:485-497. [PMID: 30673958 DOI: 10.1007/s11064-018-02703-2] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Revised: 12/16/2018] [Accepted: 12/18/2018] [Indexed: 10/27/2022]
Abstract
Cadmium (Cd) is a toxic metal and classified as a carcinogen whose exposure could affect the function of the central nervous system. There are studies that suggest that Cd promotes neurodegeneration in different regions of the brain, particularly in the hippocampus. It is proposed that its mechanism of toxicity maybe by an oxidative stress pathway, which modifies neuronal morphology and causes the death of neurons and consequently affecting cognitive tasks. However, this mechanism is not yet clear. The aim of the present work was to study the effect of Cd administration on recognition memory for 2, 3 and 4 months, neuronal morphology and immunoreactivity for caspase-3 and 9 in rat hippocampi. The results show that the administration of Cd decreased recognition memory. Likewise, it caused the dendritic morphology of the CA1, CA3 and dentate gyrus regions of the hippocampus to decrease with respect to the time of administration of this heavy metal. In addition, we observed a reduction in the density of dendritic spines as well as an increase in the immunoreactivity of caspase-3 and 9 in the same hippocampal regions of the animals treated with Cd. These results suggest that Cd affects the structure and function of the neurons of the hippocampus, which contribute to the deterioration of recognition memory. Our results suggest that the exposure to Cd represents a critical health problem, which if not addressed quickly, could cause much more serious problems in the quality of life of the human population, as well as in the environment in which they develop.
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Branca JJV, Morucci G, Maresca M, Tenci B, Cascella R, Paternostro F, Ghelardini C, Gulisano M, Di Cesare Mannelli L, Pacini A. Selenium and zinc: Two key players against cadmium-induced neuronal toxicity. Toxicol In Vitro 2018; 48:159-169. [PMID: 29408665 DOI: 10.1016/j.tiv.2018.01.007] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 01/08/2018] [Accepted: 01/11/2018] [Indexed: 11/16/2022]
Abstract
Cadmium (Cd), a worldwide occupational pollutant, is an extremely toxic heavy metal, capable of damaging several organs, including the brain. Its toxicity has been related to neurodegenerative diseases such as Alzheimer's and Parkinson's diseases. The neurotoxic potential of Cd has been attributed to the changes induced in the brain enzyme network involved in counteracting oxidative stress. On the other hand, it is also known that trace elements, such as zinc (Zn) and selenium (Se), required for optimal brain functions, appears to have beneficial effects on the prevention of Cd intoxication. Based on this protective effect of Zn and Se, we aimed to investigate whether these elements could protect neuronal cells from Cd-induced excitotoxicity. The experiments, firstly carried out on SH-SY5Y catecholaminergic neuroblastoma cell line, demonstrated that the treatment with 10 μM cadmium chloride (CdCl2) for 24 h caused significant modifications both in terms of oxidative stress and neuronal sprouting, triggered by endoplasmic reticulum (ER) stress. The evaluation of the effectiveness of 50 μM of zinc chloride (ZnCl2) and 100 nM sodium selenite (Na2SeO3) treatments showed that both elements were able to attenuate the Cd-dependent neurotoxicity. However, considering that following induction with retinoic acid (RA), the neuroblastoma cell line undergoes differentiation into a cholinergic neurons, our second aim was to verify the zinc and selenium efficacy also in this neuronal phenotype. Our data clearly demonstrated that, while zinc played a crucial role on neuroprotection against Cd-induced neurotoxicity independently from the cellular phenotype, selenium is ineffective in differentiated cholinergic cells, supporting the notion that the molecular events occurring in differentiated SH-SY5Y cells are critical for the response to specific stimuli.
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Affiliation(s)
- Jacopo J V Branca
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, Firenze, Italy.
| | - Gabriele Morucci
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, Firenze, Italy
| | - Mario Maresca
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Firenze, Firenze, Italy
| | - Barbara Tenci
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Firenze, Firenze, Italy
| | - Roberta Cascella
- Department of Experimental and Clinical Biomedical Sciences "Mario Serio", University of Firenze, Firenze, Italy
| | - Ferdinando Paternostro
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, Firenze, Italy
| | - Carla Ghelardini
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Firenze, Firenze, Italy
| | - Massimo Gulisano
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, Firenze, Italy
| | - Lorenzo Di Cesare Mannelli
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Firenze, Firenze, Italy
| | - Alessandra Pacini
- Department of Experimental and Clinical Medicine, Histology and Anatomy Section, University of Firenze, Firenze, Italy
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Wei T, Jia J, Wada Y, Kapron CM, Liu J. Dose dependent effects of cadmium on tumor angiogenesis. Oncotarget 2018; 8:44944-44959. [PMID: 28388546 PMCID: PMC5546532 DOI: 10.18632/oncotarget.16572] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 03/16/2017] [Indexed: 01/28/2023] Open
Abstract
Angiogenesis is crucial for tumor growth and metastasis. Cadmium (Cd) exposure is associated with elevated cancer risk and mortality. Such association is, at least in part, attributable to Cd-induced tumor angiogenesis. Nevertheless, the reported effects of Cd on tumor angiogenesis appear to be either stimulatory or inhibitory, depending on the concentrations. Ultra-low concentrations of Cd (<0.5 μM) inhibit endothelial nitric oxide synthase activation, leading to reduced endothelial nitric oxide production and attenuated tumor angiogenesis. In contrast, low-lose Cd (1-10 μM) up-regulates vascular endothelial growth factor (VEGF)-mediated tumor angiogenesis by exerting sub-apoptotic levels of oxidative stress on both tumor cells and endothelial cells (ECs). The consequent activation of protein kinase B/Akt, nuclear factor-κB, and mitogen-activated protein kinase signaling cascades mediate the increased secretion of VEGF by tumor cells and the up-regulated VEGF receptor-2 expression in ECs. Furthermore, Cd in high concentrations (>10 μM) induces EC apoptosis via the activation of caspase-3, resulting in destruction of tumor vasculature. In this review, we summarize the current knowledge concerning the roles of Cd in tumor angiogenesis, with a focus on molecular mechanisms underlying the dose dependent effects of Cd on various EC phenotypes.
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Affiliation(s)
- Tianshu Wei
- Medical Research Center, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong, China
| | - Jin Jia
- Medical Research Center, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong, China
| | - Youichiro Wada
- The Research Center for Advanced Science and Technology, Isotope Science Center, The University of Tokyo, Komaba, Meguro-Ku, Tokyo, Japan
| | - Carolyn M Kapron
- Department of Biology, Trent University, Peterborough, Ontario, Canada
| | - Ju Liu
- Medical Research Center, Shandong Provincial Qianfoshan Hospital, Shandong University, Jinan, Shandong, China
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Ma SP, Ju F, Zhang YP, Shi X, Zhuang RJ, Xue H, Ma J, Wang L, Cheng BF, Cao H, Feng ZW, Wang M, Yang HJ. Cold-inducible protein RBM3 protects neuroblastoma cells from retinoic acid-induced apoptosis via AMPK, p38 and JNK signaling. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.05.045] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
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