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Mehra S, Ahsan AU, Sharma M, Budhwar M, Chopra M. Gestational Fisetin Exerts Neuroprotection by Regulating Mitochondria-Directed Canonical Wnt Signaling, BBB Integrity, and Apoptosis in Prenatal VPA-Induced Rodent Model of Autism. Mol Neurobiol 2023:10.1007/s12035-023-03826-6. [PMID: 38048031 DOI: 10.1007/s12035-023-03826-6] [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: 08/28/2023] [Accepted: 11/21/2023] [Indexed: 12/05/2023]
Abstract
Embryonic valproic acid (VPA) has been considered a potential risk factor for autism. Majority of studies indicated that targeting autism-associated alterations in VPA-induced autistic model could be promising in defining and designing therapeutics for autism. Numerous investigations in this field investigated the role of canonical Wnt signaling cascade in regulating the pathophysiology of autism. The impaired blood-brain barrier (BBB) permeability and mitochondrial dysfunction are some key implied features of the autistic brain. So, the current study was conducted to target canonical Wnt signaling pathway with a natural polyphenolic modulator cum antioxidant namely fisetin. A single dose of intraperitoneal VPA sodium salt (400 mg/kg) at gestational day 12.5 induced developmental delays, social behaviour impairments (tube dominance test), and anxiety-like behaviour (sucrose preference test) similar to autism. VPA induced mitochondrial damage and over-activated the canonical Wnt signaling which further increased the blood-brain barrier (BBB) disruption, apoptosis, and neuronal damage. Our findings revealed that oral administration of 10 mg/kg gestational fisetin (GD 13-till parturition) improved social and anxiety-like behaviour by modulating the ROS-regulated mitochondrial-canonical Wnt signaling. Moreover, fisetin controls BBB permeability, apoptosis, and neuronal damage in autism model proving its neuroprotective efficacy. Collectively, our findings revealed that fisetin-evoked modulation of the Wnt signaling cascade successfully relieved the associated symptoms of autism along with developmental delays in the model and indicates its potential as a bioceutical against autism.
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Affiliation(s)
- Sweety Mehra
- Cell and Molecular Biology Lab, Department of Zoology, Panjab University, Chandigarh, 160014, India
| | - Aitizaz Ul Ahsan
- Cell and Molecular Biology Lab, Department of Zoology, Panjab University, Chandigarh, 160014, India
| | - Madhu Sharma
- Cell and Molecular Biology Lab, Department of Zoology, Panjab University, Chandigarh, 160014, India
| | - Muskan Budhwar
- Cell and Molecular Biology Lab, Department of Zoology, Panjab University, Chandigarh, 160014, India
| | - Mani Chopra
- Cell and Molecular Biology Lab, Department of Zoology, Panjab University, Chandigarh, 160014, India.
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2
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Cholewińska E, Marzec A, Sołek P, Fotschki B, Listos P, Ognik K, Juśkiewicz J. The Effect of Copper Nanoparticles and a Different Source of Dietary Fibre in the Diet on the Integrity of the Small Intestine in the Rat. Nutrients 2023; 15:nu15071588. [PMID: 37049430 PMCID: PMC10096726 DOI: 10.3390/nu15071588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2023] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 03/29/2023] Open
Abstract
The aim of the study was to verify the hypothesis regarding the effect of recommended (6.5 mg/kg) or enhanced (13 mg/kg) level of CuNPs in the diet in combination with different types of dietary fibre—cellulose (control), inulin, pectin or psyllium—on selected biological parameters of intestinal integrity in rats. Rats were randomly divided into 10 groups. The first two groups were fed a control diet that contained cellulose, and a mineral mixture with standard or enhanced content of CuCO3. Experimental groups were fed a diet supplemented with CuNPs (6.5 or 13 mg/kg) and combined with different types of fibre (cellulose, pectin, inulin or psyllium). After the feeding period, blood and small intestine samples were collected for further analysis. Replacing CuCO3 by CuNPs in the diet positively reduced the level of lactic acid and apoptosis markers in the small intestine; however, it also resulted in the intensification of DNA oxidation. The most beneficial effect on DNA repair mechanisms is related to inulin, while pectin has the greatest ability to inhibit inflammatory processes that induce the apoptotic death of cells in the small intestine. Our results suggest that dietary fibre supplementation protects the small intestine against potentially harmful, oxidative effects of CuNPs by intensifying the intestinal barrier.
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Maryam T, Rana NF, Alshahrani SM, Batool F, Fatima M, Tanweer T, Alrdahe SS, Alanazi YF, Alsharif I, Alaryani FS, Kashif AS, Menaa F. Silymarin Encapsulated Liposomal Formulation: An Effective Treatment Modality against Copper Toxicity Associated Liver Dysfunction and Neurobehavioral Abnormalities in Wistar Rats. Molecules 2023; 28:molecules28031514. [PMID: 36771180 PMCID: PMC9920678 DOI: 10.3390/molecules28031514] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2022] [Revised: 01/21/2023] [Accepted: 01/23/2023] [Indexed: 02/09/2023] Open
Abstract
Wilson's disease causes copper accumulation in the liver and extrahepatic organs. The available therapies aim to lower copper levels by various means. However, a potent drug that can repair the damaged liver and brain tissue is needed. Silymarin has hepatoprotective, antioxidant, and cytoprotective properties. However, poor oral bioavailability reduces its efficacy. In this study, a "thin film hydration method" was used for synthesizing silymarin-encapsulated liposome nanoparticles (SLNPs) and evaluated them against copper toxicity, associated liver dysfunction and neurobehavioral abnormalities in Wistar rats. After copper toxicity induction, serological and behavioral assays were conducted to evaluate treatment approaches. Histological examination of the diseased rats revealed severe hepatocyte necrosis and neuronal vacuolation. These cellular degenerations were mild in rats treated with SLNPs and a combination of zinc and SLNPs (ZSLNPs). SLNPs also decreased liver enzymes and enhanced rats' spatial memory significantly (p = 0.006) in the diseased rats. During forced swim tests, SLNPs treated rats exhibited a 60-s reduction in the immobility period, indicating reduced depression. ZSLNPs were significantly more effective than traditional zinc therapy in decreasing the immobility period (p = 0.0008) and reducing liver enzymes, but not in improving spatial memory. Overall, SLNPs enhanced oral silymarin administration and managed copper toxicity symptoms.
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Affiliation(s)
- Tuba Maryam
- School of Mechanical & Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
| | - Nosheen Fatima Rana
- School of Mechanical & Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
- Correspondence: (N.F.R.); (F.M.)
| | - Sultan M. Alshahrani
- Clinical Pharmacy Department, College of Pharmacy, King Khalid University, Abha 61441, Saudi Arabia
| | - Farhat Batool
- School of Mechanical & Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
| | - Misha Fatima
- School of Mechanical & Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
| | - Tahreem Tanweer
- School of Mechanical & Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
| | - Salma Saleh Alrdahe
- Department of Biology, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia
| | - Yasmene F. Alanazi
- Department of Biochemistry, Faculty of Science, University of Tabuk, Tabuk 71491, Saudi Arabia
| | - Ifat Alsharif
- Department of Biology, Jamoum University College, Umm Al-Qura University, Makkah 21955, Saudi Arabia
| | - Fatima S. Alaryani
- Department of Biology, College of Science, University of Jeddah, Jeddah 21589, Saudi Arabia
| | - Amer Sohail Kashif
- School of Mechanical & Manufacturing Engineering (SMME), National University of Sciences and Technology (NUST), Islamabad 44000, Pakistan
| | - Farid Menaa
- Departments of Internal Medicine and Nanomedicine, California Innovations Corporation, 9, San Diego, CA 92037, USA
- Correspondence: (N.F.R.); (F.M.)
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More SJ, Bampidis V, Benford D, Bragard C, Halldorsson TI, Hernández‐Jerez AF, Bennekou SH, Koutsoumanis K, Lambré C, Machera K, Mullins E, Nielsen SS, Schlatter JR, Schrenk D, Turck D, Younes M, Boon P, Ferns GAA, Lindtner O, Smolders E, Wilks M, Bastaki M, de Sesmaisons‐Lecarré A, Ferreira L, Greco L, Kass GEN, Riolo F, Leblanc J. Re-evaluation of the existing health-based guidance values for copper and exposure assessment from all sources. EFSA J 2023; 21:e07728. [PMID: 36694841 PMCID: PMC9843535 DOI: 10.2903/j.efsa.2023.7728] [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] [Indexed: 01/18/2023] Open
Abstract
Copper is an essential micronutrient and also a regulated product used in organic and in conventional farming pest management. Both deficiency and excessive exposure to copper can have adverse health effects. In this Scientific Opinion, the EFSA 2021 harmonised approach for establishing health-based guidance values (HBGVs) for substances that are regulated products and also nutrients was used to resolve the divergent existing HBGVs for copper. The tightly regulated homeostasis prevents toxicity manifestation in the short term, but the development of chronic copper toxicity is dependent on copper homeostasis and its tissue retention. Evidence from Wilson disease suggests that hepatic retention is indicative of potential future and possibly sudden onset of copper toxicity under conditions of continuous intake. Hence, emphasis was placed on copper retention as an early marker of potential adverse effects. The relationships between (a) chronic copper exposure and its retention in the body, particularly the liver, and (b) hepatic copper concentrations and evidence of toxicity were examined. The Scientific Committee (SC) concludes that no retention of copper is expected to occur with intake of 5 mg/day and established an Acceptable Daily Intake (ADI) of 0.07 mg/kg bw. A refined dietary exposure assessment was performed, assessing contribution from dietary and non-dietary sources. Background copper levels are a significant source of copper. The contribution of copper from its use as plant protection product (PPP), food and feed additives or fertilisers is negligible. The use of copper in fertilisers or PPPs contributes to copper accumulation in soil. Infant formula and follow-on formula are important contributors to dietary exposure of copper in infants and toddlers. Contribution from non-oral sources is negligible. Dietary exposure to total copper does not exceed the HBGV in adolescents, adults, elderly and the very elderly. Neither hepatic copper retention nor adverse effects are expected to occur from the estimated copper exposure in children due to higher nutrient requirements related to growth.
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Dai C, Li M, Liu Y, Tran DH, Jiang H, Tang S, Shen J. Involvement of the inhibition of mitochondrial apoptotic, p53, NF-κB pathways and the activation of Nrf2/HO-1 pathway in the protective effects of curcumin against copper sulfate-induced nephrotoxicity in mice. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2023; 249:114480. [PMID: 38321692 DOI: 10.1016/j.ecoenv.2022.114480] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 10/29/2022] [Accepted: 12/23/2022] [Indexed: 02/08/2024]
Abstract
Chronic copper exposure could cause potential nephrotoxicity and effective therapy strategies are limited. This study investigated the protective effects of curcumin on copper sulfate (CuSO4)-induced renal damage in a mouse model and the underlying molecular mechanisms. Mice were administrated orally with CuSO4 (100 mg/kg per day) in combination with or without curcumin (50, 100 or 200 mg/kg per day, orally) for 28 days. Results showed that curcumin supplementation significantly reduce the Cu accumulation in the kidney tissues of mice and improved CuSO4-induced renal dysfunction. Furthermore, curcumin supplantation also significantly ameliorated Cu exposure-induced oxidative stress and tubular necrosis in the kidneys of mice. Moreover, compared to the CuSO4 alone group, curcumin supplementation at 200 mg/kg per day significantly decreased CuSO4-induced the expression of p53, Bax, IL-1β, IL-6, and TNF-α proteins, levels of NF-κB mRNA, levels of caspases-9 and - 3 activities, and cell apoptosis, and significantly increased the levels of Nrf2 and HO-1 mRNAs in the kidney tissues. In conclusion, for the first time, our results reveal that curcumin could trigger the inhibition of oxidative stress, mitochondrial apoptotic, p53, and NF-κB pathways and the activation of Nrf2/HO-1 pathway to ameliorate Cu overload-induced nephrotoxicity in a mouse model. Our study highlights that curcumin supplementation may be a promising treatment strategy for treating copper overload-caused nephrotoxicity.
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Affiliation(s)
- Chongshan Dai
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, PR China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, PR China; Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing 100193, PR China.
| | - Meng Li
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, PR China
| | - Yue Liu
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, PR China
| | - Diem Hong Tran
- University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Haiyang Jiang
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, PR China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, PR China; Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing 100193, PR China
| | - Shusheng Tang
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, PR China
| | - Jianzhong Shen
- College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, PR China; Guangdong Laboratory for Lingnan Modern Agriculture, Guangzhou 510642, PR China; Beijing Key Laboratory of Detection Technology for Animal-Derived Food Safety, Beijing 100193, PR China
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6
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Xie H, Hu Q, Qin X, Zhang Y, Li L, Li J. Naked-eye chemosensor with high absolute fluorescence quantum yield for selective detection of Cu(II) and cell imaging. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2022; 283:121740. [PMID: 35964354 DOI: 10.1016/j.saa.2022.121740] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 08/01/2022] [Accepted: 08/07/2022] [Indexed: 06/15/2023]
Abstract
The regulation of copper in the human body is important for the prevention of several diseases. Therefore, a rhodamine B-based chemosensor 1 that demonstrates substantial affinity and selectivity was synthesized for the fluorescence imaging of copper(II). In the presence of Cu2+, the chemosensor underwent a color change from colorless to amaranth that was visible to the naked eye, and the fluorescence intensity did not change when excess EDTA was added to the solution. Furthermore, strong fluorescence was observed at 575 nm. The limit of detection was determined as 12.1 nM. The absolute fluorescence quantum yield was as high as 77 % and the stoichiometry between 1 and Cu2+ was determined to be 1:1 using a job plot. An analytical method was developed and successfully used to evaluate the sensor's ability for the fluorescence imaging of Cu2+ in HeLa tumor cells.
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Affiliation(s)
- Hai Xie
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, People's Republic of China.
| | - Qingqing Hu
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, People's Republic of China
| | - Xiuting Qin
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, People's Republic of China
| | - Yali Zhang
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, People's Republic of China
| | - Lu Li
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, People's Republic of China
| | - Ji Li
- College of Chemistry and Chemical Engineering, Shanxi Datong University, Datong 037009, People's Republic of China
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Ali SA, Bommaraju S, Patwa J, Khare P, Rachamalla M, Niyogi S, Datusalia AK. Melatonin Attenuates Extracellular Matrix Accumulation and Cardiac Injury Manifested by Copper. Biol Trace Elem Res 2022:10.1007/s12011-022-03509-8. [PMID: 36449149 DOI: 10.1007/s12011-022-03509-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Accepted: 11/24/2022] [Indexed: 12/02/2022]
Abstract
Copper-induced cardiac injury is not widely reported in spite of its ability to cause oxidative damage and tissue injury. Structural and morphological changes in the cardiac tissue are triggered via oxidative stress and inflammatory responses following copper exposure. The varied and unavoidable exposure of copper through contaminated food and water warrants a safe and effective agent against its harmful effects. Since the heart is highly sensitive to changes in the redox balance, the present study was undertaken to examine the protective effects of melatonin against copper-induced cardiac injury. Sprague Dawley (SD) rats were exposed to 100 ppm of elemental copper via drinking water for 4 months. The cardiac tissue was evaluated for various biochemical, histological, and protein expression studies. Animals exposed to copper exhibited induced oxidative stress and cardiac injury compared to normal control. To this end, we found that melatonin treatment ameliorated copper-induced alterations in tissue oxidative variables like ROS, nitrate, MDA, and GSH. In addition, histological examinations unravelled decreased cardiac muscle dilation, atrophy, and cardiomyopathy in melatonin-treated rats. Furthermore, melatonin-treated rats were associated with reduced tissue copper levels, collagen deposition, α-SMA, and increased HO-1 expression as compared to rats exposed exclusively to copper. Moreover, the levels of NF-κB and cardiac markers such as CK-MB, cTnI, and cTnT were found to be decreased in the melatonin-treated animals. Altogether, melatonin-triggered increase in antioxidant capacity resulting in reduced aggregation of ECM components demonstrates the therapeutic potential of melatonin in the treatment of cardiac injury and tissue fibrosis.
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Affiliation(s)
- Syed Afroz Ali
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow, 226002, India
| | - Sumadhura Bommaraju
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow, 226002, India
| | - Jayant Patwa
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow, 226002, India
| | - Puja Khare
- Crop Production and Protection Division, CSIR-Central Institute of Medicinal and Aromatic Plants, Lucknow, 226015, India
| | - Mahesh Rachamalla
- Department of Biology, University of Saskatchewan, Saskatoon, Canada
| | - Som Niyogi
- Department of Biology, University of Saskatchewan, Saskatoon, Canada
- Toxicology Centre, University of Saskatchewan, Saskatoon, Canada
| | - Ashok Kumar Datusalia
- Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow, 226002, India.
- Department of Regulatory Toxicology, National Institute of Pharmaceutical Education and Research-Raebareli, Lucknow, 226002, India.
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Husain N, Ali SN, Arif H, Khan AA, Mahmood R. Oral Administration of Copper Chloride Damages DNA, Lowers Antioxidant Defense, Alters Metabolic Status, and Inhibits Membrane Bound Enzymes in Rat Kidney. Biol Trace Elem Res 2022; 201:3367-3380. [PMID: 36068418 DOI: 10.1007/s12011-022-03406-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 08/28/2022] [Indexed: 11/02/2022]
Abstract
Copper (Cu) is a heavy metal that is widely used in industries and is also an essential micronutrient for living beings. However, excess Cu is toxic and human exposure to high levels of this metal results in numerous adverse health effects. We have investigated the effect of oral administration of copper chloride (CuCl2), a Cu(II) compound, on various parameters of oxidative stress, cellular metabolism, and DNA integrity in the rat kidney. This was done to delineate the molecular mechanism of Cu(II) toxicity. Adult male rats were randomly divided into five groups. Animals in four CuCl2-treated groups were separately administered single acute oral dose of CuCl2 at 5, 15, 30, and 40 mg/kg body weight. Animals in the fifth group were not given CuCl2 and served as the control. All rats were sacrificed 24 h after the dose of CuCl2 and their kidneys removed. CuCl2 administration led to significant alterations in enzymatic and non-enzymatic parameters of oxidative stress. It changed the activities of metabolic and membrane bound enzymes and also decreased the activities of brush border membrane enzymes. CuCl2 treatment dose-dependently enhanced DNA damage and DNA-protein crosslinking in renal cells, when compared to the control group. The administration of CuCl2 also resulted in marked morphological changes in the kidney, with more prominent alterations at higher doses of CuCl2. These results clearly show that CuCl2 impairs the antioxidant defense system resulting in oxidative damage to the kidney.
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Affiliation(s)
- Nazim Husain
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, U.P, Aligarh, 202002, India
| | - Shaikh Nisar Ali
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, U.P, Aligarh, 202002, India
| | - Hussain Arif
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, U.P, Aligarh, 202002, India
| | - Aijaz Ahmed Khan
- Department of Anatomy, J.N. Medical College, Aligarh Muslim University, U.P, Aligarh, 202002, India
| | - Riaz Mahmood
- Department of Biochemistry, Faculty of Life Sciences, Aligarh Muslim University, U.P, Aligarh, 202002, India.
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Seth E, Chopra M. Neuroprotective efficacy of berberine following developmental exposure to chlorpyrifos in F1 generation of Wistar rats: Apoptosis-autophagy interplay. THE SCIENCE OF THE TOTAL ENVIRONMENT 2022; 834:155292. [PMID: 35439518 DOI: 10.1016/j.scitotenv.2022.155292] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2022] [Revised: 04/10/2022] [Accepted: 04/11/2022] [Indexed: 06/14/2023]
Abstract
Chlorpyrifos (CPF), an organophosphate insecticide commonly used in agriculture and household applications, is considered a developmental neurotoxicant. This study aimed to explain the neuroprotective role of Berberine (BBR) against CPF-induced autophagy dysfunction and apoptotic neurodegeneration in the developing hippocampus. F1 generation of Wistar rats was exposed to CPF (3 mg/kg b.wt.) and co-treated with BBR (10 mg/kg b.wt) in two different exposure regimens, gestational (GD9-12 and GD17-21) and lactational (PND1-20). Our results demonstrated that CPF intoxication instigated cognitive and neurobehavioral impairment, oxidant-antioxidant imbalance, and histomorphological alterations in CA1, CA3, and DG regions of the offsprings. Furthermore, mRNA expression of pro-apoptotic genes (caspase3 and Bax) was upregulated, and that of anti-apoptotic BCl2 was downregulated. In addition, exposure to CPF also activated the autophagy inhibitor (mTOR) transcription and subsequently downregulated the expression of autophagy markers beclin1 and LC3-II. In contrast, gestational and lactational co-treatment of BBR significantly upregulated the enzymatic anti-oxidant bar of the hippocampus and attenuated histological alterations. Moreover, BBR co-treatments reduced apoptotic neurodegeneration in the hippocampal region by regulating the expression of apoptotic genes and upregulated the levels of autophagy, confirmed by ultrastructural studies, decreased gene expression and immunostaining of mTOR and increased, and increased expression gene expression and immunostaining of LC3-II positive cells. Our results confirm that treatment with BBR induces autophagy, which plays a neuroprotective role in CPF-induced developmental neuronal apoptosis in the F1 generation of Wistar rats by regulating the balance between autophagy and apoptosis.
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Affiliation(s)
- Era Seth
- Cytogenetics Laboratory, Department of Zoology, Panjab University, Chandigarh 160014, India
| | - Mani Chopra
- Cytogenetics Laboratory, Department of Zoology, Panjab University, Chandigarh 160014, India.
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Dietary Copper Deficiency Leads to Changes in Gene Expression Indicating an Increased Demand for NADH in the Prefrontal Cortex of the Rat's Brain. Int J Mol Sci 2022; 23:ijms23126706. [PMID: 35743150 PMCID: PMC9224161 DOI: 10.3390/ijms23126706] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 06/14/2022] [Accepted: 06/15/2022] [Indexed: 02/01/2023] Open
Abstract
Copper is an essential element to brain cells as it is a cofactor and a structural component of various enzymes involved in energy metabolism pathways. Accumulating evidence points to the pivotal role of copper deficiency in neurodegeneration resulting from impaired copper homeostasis. Despite the indisputable role of copper in mitochondrial respiration, its homeostasis regulation in the brain tissue remains unclear. The assessment of changes in the expression of genes encoding key pathways of energy metabolism can greatly benefit further studies exploring copper’s role in neurodegeneration. Using a rat model, we investigate whether the replacement of the inorganic form of copper with metallic nanoparticles containing copper or complete deprivation of copper from the diet have an impact on the expression of genes involved in energy metabolism in the prefrontal cortex of the rats’ brain. Herein, we indicate that removing inorganic copper from the normal standard diet or the replacement with copper nanoparticles can lead to programmed energy metabolism changes. It can be recognized that some of these changes indicate an increased demand for NADH in the prefrontal cortex of the rat’s brain, probably as a result of adaptation effect.
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Cholewińska E, Juśkiewicz J, Majewski M, Smagieł R, Listos P, Fotschki B, Godycka-Kłos I, Ognik K. Effect of Copper Nanoparticles in the Diet of WKY and SHR Rats on the Redox Profile and Histology of the Heart, Liver, Kidney, and Small Intestine. Antioxidants (Basel) 2022; 11:antiox11050910. [PMID: 35624774 PMCID: PMC9137827 DOI: 10.3390/antiox11050910] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Accepted: 05/04/2022] [Indexed: 02/04/2023] Open
Abstract
The aim of this experiment was to test the effect of the partial or complete replacement of traditional CuCO3 in the diet of rats with copper nanoparticles (CuNPs) on the biochemical parameters, redox status, and histomorphometry of their tissues. Normotensive male Wistar–Kyoto rats (WKY) were allocated to three groups. Three analogous groups of spontaneously hypertensive rats (SHR) were also formed. The WKY and SHR rats received copper in a standard daily dose—6.5 mg/kg CuCO3 or CuNPs (100% replacement) or 3.25 mg/kg CuCO3 plus 3.25 mg/kg CuNPs (50% replacement)—for 8 weeks. Next, blood, heart, small intestine, liver, and kidney samples were collected. The activity of alanine aminotransferase, aspartate aminotransferase, creatine kinase, and gamma-glutamyl transferase and the content of creatinine and urea acid were measured in the plasma. The collected tissues were subjected to a histological evaluation, and redox status parameters (catalase and superoxide dismutase activity, malondialdehyde and glutathione content) were determined. The replacement of CuCO3 with CuNPs in the diet may exacerbate the negative changes induced by hypertension in the heart, liver, and intestines. However, it seems that it is only in the case of the liver where the observed changes may be due to an increase in oxidative reactions resulting from the inclusion of CuNPs.
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Affiliation(s)
- Ewelina Cholewińska
- Department of Biochemistry and Toxicology, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences, 20950 Lublin, Poland; (E.C.); (R.S.)
| | - Jerzy Juśkiewicz
- Division of Food Science, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10748 Olsztyn, Poland; (B.F.); (I.G.-K.)
- Correspondence: (J.J.); (K.O.)
| | - Michał Majewski
- Department Pharmacology and Toxicology, University of Warmia and Mazury, 10082 Olsztyn, Poland;
| | - Radosław Smagieł
- Department of Biochemistry and Toxicology, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences, 20950 Lublin, Poland; (E.C.); (R.S.)
| | - Piotr Listos
- Department of Pathomorphology and Forensic Medicine, Faculty of Veterinary Medicine, University of Life Sciences in Lublin, ul. Głęboka 30, 20612 Lublin, Poland;
| | - Bartosz Fotschki
- Division of Food Science, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10748 Olsztyn, Poland; (B.F.); (I.G.-K.)
| | - Irena Godycka-Kłos
- Division of Food Science, Institute of Animal Reproduction and Food Research, Polish Academy of Sciences, 10748 Olsztyn, Poland; (B.F.); (I.G.-K.)
| | - Katarzyna Ognik
- Department of Biochemistry and Toxicology, Faculty of Animal Sciences and Bioeconomy, University of Life Sciences, 20950 Lublin, Poland; (E.C.); (R.S.)
- Correspondence: (J.J.); (K.O.)
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12
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Chaabene M, Agren S, Haskouri JE, Allouche AR, Mohamed L, Chaâbane RB, Baouab MHV. Spectroscopic characterization and binding interaction of heavy metal onto the surface receptor of the azobenzene: DFT and experimental approach. J Mol Struct 2021. [DOI: 10.1016/j.molstruc.2021.130962] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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13
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Seth E, Ahsan AU, Kaushal S, Mehra S, Chopra M. Berberine affords protection against oxidative stress and apoptotic damage in F1 generation of wistar rats following lactational exposure to chlorpyrifos. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2021; 179:104977. [PMID: 34802527 DOI: 10.1016/j.pestbp.2021.104977] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 09/16/2021] [Accepted: 10/05/2021] [Indexed: 06/13/2023]
Abstract
Chlorpyrifos (0,0-diethyl 0-(3,5,6-trichloro-2-pyridinyl)-phosphorothioate; (CPF)) is a widely used lipophilic organophosphorus insecticide that primarily manifests into central and peripheral nervous system toxicity. However, it is poorly investigated as a developmental neurotoxicant and thus remains less explored for pharmacological interventions as well. Berberine (BBR) is a benzylisoquinoline alkaloid, primarily found in the plants of Berberidaceae family, and is used for the synthesis of several bioactive derivatives. The goal of this study was to evaluate the CPF-induced neuronal damage through lactational route and analyze the neuroprotective efficacy of berberine (BBR), a potent antioxidant compound in the F1 generation. The environmentally relevant dose of CPF (3 mg/kg b.wt.) was administered via gavage to pregnant dams from postnatal day 1 to day 20 (PND 1-20). BBR (10 mg/kg b.wt.) was administered concurrently with CPF for the same duration as a co-treatment. Levels of reactive oxygen species, lipid peroxidation, membrane bound ATPases (Na+K+ATPase, Ca2+ATPase, and Mg2+ATPase), DNA damage, histomorphological alterations, cellular apoptosis were increased, and activities of glutathione reductase, endogenous antioxidant enzymes (SOD, CAT, GST, and GR) were decreased in cerebellum and cerebrum regions of CPF exposed pups. CPF triggered neuronal apoptosis by upregulating Bax and caspase-3 and downregulating Bcl-2. Co-treatment of BBR significantly attenuated these effects of CPF signifying oxidative stress mediated chlorpyrifos induced neuronal apoptosis. Berberine treatment ameliorated the CPF-induced downregulation of Bcl-2, Bax translocation, and up-regulation of caspase-3 in F1 pups. Therefore, BBR owing to its multiple pharmacological properties can be further explored for its therapeutic potential as an alternative neuroprotective agent against lactational exposure of chlorpyrifos-induced developmental neurotoxicity.
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Affiliation(s)
- Era Seth
- Cytogenetics Laboratory, Centre of Advanced Studies, Department of Zoology, Panjab University, Chandigarh 160014, India
| | - Aitizaz Ul Ahsan
- Cytogenetics Laboratory, Centre of Advanced Studies, Department of Zoology, Panjab University, Chandigarh 160014, India
| | - Surbhi Kaushal
- Cytogenetics Laboratory, Centre of Advanced Studies, Department of Zoology, Panjab University, Chandigarh 160014, India
| | - Sweety Mehra
- Cytogenetics Laboratory, Centre of Advanced Studies, Department of Zoology, Panjab University, Chandigarh 160014, India
| | - Mani Chopra
- Cytogenetics Laboratory, Centre of Advanced Studies, Department of Zoology, Panjab University, Chandigarh 160014, India.
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14
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Kumar V, Singh AP, Wheeler N, Galindo CL, Kim JJ. Safety profile of D-penicillamine: a comprehensive pharmacovigilance analysis by FDA adverse event reporting system. Expert Opin Drug Saf 2021; 20:1443-1450. [PMID: 34259127 DOI: 10.1080/14740338.2021.1956460] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND D-penicillamine (D-pen) is a copper-chelating drug and has immune-modulatory properties. D-pen is used to treat rheumatoid arthritis, Wilson's disease, and kidney stones (cystinuria). However, associated adverse events (AEs) of D-pen treatment are frequent and often serious. Therefore, a comprehensive assessment of the safety profile of D-pen is urgently needed. RESEARCH DESIGN AND METHODS We identified and analyzed AEs associated with D-pen between April-1970 to July-2020 from the U.S. Food and Drug Administration Adverse Event Reporting System (FAERS) databases and calculated the reported odds ratio (ROR) with 95% confidence intervals (CI) using the disproportionality analysis. RESULTS A total of 9,150,234 AEs related to drugs were reported in the FAERS database, of which 542 were related to D-Pen. We report that D-pen was associated with dystonia (ROR: 20.52; 95%CI: 12.46-33.80), drug hypersensitivity (ROR: 5.42; 95%CI: 3.72-7.90), pancytopenia (ROR: 10.20; 95%CI: 5.61-18.56), joint swelling (ROR: 9.07; 95%CI: 5.51-14.94), renal-impairment (ROR: 6.68; 95%CI: 3.67-12.15), dysphagia (ROR: 5.05; 95%CI: 2.76-8.89), aggravation of condition (ROR: 4.16; 95%CI: 2.60-6.67), congestive cardiac failure (ROR: 4.04; 95%CI: 2.22-7.35), peripheral edema (ROR: 3.77; 95%CI: 2.17-6.55), tremor (ROR: 3.46; 95%CI: 2.00-6.01), pyrexia (ROR: 3.46; 95%CI: 2.00-6.01), and gait disturbance (ROR: 2.41; 95%CI: 1.29-4.52). CONCLUSIONS Patients taking D-pen require close monitoring of renal function, blood counts, immunity, liver, cardiac function, and neurological function. D-pen suppresses immune system which maximizes the risk of infection.
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Affiliation(s)
- Vijay Kumar
- Department of Biotechnology, Yeungnam University, Gyeongsan, Republic of Korea
| | - Anand Prakash Singh
- Division of Cardiovascular Disease, Department of Medicine, University of Alabama at Birmingham School of Medicine, Birmingham, AL, USA
| | - Nicholas Wheeler
- Department of Biology, Western Kentucky University, Bowling Green, KY, USA
| | - Cristi L Galindo
- Department of Biology, Western Kentucky University, Bowling Green, KY, USA
| | - Jong-Joo Kim
- Department of Biotechnology, Yeungnam University, Gyeongsan, Republic of Korea
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15
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Babak MV, Ahn D. Modulation of Intracellular Copper Levels as the Mechanism of Action of Anticancer Copper Complexes: Clinical Relevance. Biomedicines 2021; 9:biomedicines9080852. [PMID: 34440056 PMCID: PMC8389626 DOI: 10.3390/biomedicines9080852] [Citation(s) in RCA: 90] [Impact Index Per Article: 30.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 07/13/2021] [Accepted: 07/16/2021] [Indexed: 12/29/2022] Open
Abstract
Copper (Cu) is a vital element required for cellular growth and development; however, even slight changes in its homeostasis might lead to severe toxicity and deleterious medical conditions. Cancer patients are typically associated with higher Cu content in serum and tumor tissues, indicating increased demand of cancer cells for this micronutrient. Cu is known to readily cycle between the +1 and +2 oxidation state in biological systems. The mechanism of action of Cu complexes is typically based on their redox activity and induction of reactive oxygen species (ROS), leading to deadly oxidative stress. However, there are a number of other biomolecular mechanisms beyond ROS generation that contribute to the activity of anticancer Cu drug candidates. In this review, we discuss how interfering with intracellular Cu balance via either diet modification or addition of inorganic Cu supplements or Cu-modulating compounds affects tumor development, progression, and sensitivity to treatment modalities. We aim to provide the rationale for the use of Cu-depleting and Cu-overloading conditions to generate the best possible patient outcome with minimal toxicity. We also discuss the advantages of the use of pre-formed Cu complexes, such as Cu-(bis)thiosemicarbazones or Cu-N-heterocyclic thiosemicarbazones, in comparison with the in situ formed Cu complexes with metal-binding ligands. In this review, we summarize available clinical and mechanistic data on clinically relevant anticancer drug candidates, including Cu supplements, Cu chelators, Cu ionophores, and Cu complexes.
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16
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Qiao L, Chen X, Ren B, Poopal RK, Zhao R, Ren Z. The specification of zebrafish (Danio rerio) heart electrocardiogram index characteristic responses to different types of pollutants. CHEMOSPHERE 2021; 267:129199. [PMID: 33316622 DOI: 10.1016/j.chemosphere.2020.129199] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 11/21/2020] [Accepted: 12/02/2020] [Indexed: 06/12/2023]
Abstract
Water quality was highly affected by common pollutants. Metals, pesticides and small molecules are ubiquitous pollutants. Advancement in engineering technology (computer-based monitoring systems) increased the efficiency of quantifying toxicity of different chemicals in an organism. The cardiovascular system reflects internal and external stress of an organism, and electrocardiogram (ECG) data reliably measure external stress. As ECG data can accurately reflect the physiological conditions of organisms, and zebrafish (Danio rerio) are considered to be good models for cardiovascular research, it is hypothesized that ECG parameters of zebrafish could indicate the toxicity of water-borne chemicals. To achieve this, we treated zebrafish with different concentrations of target chemicals (CuSO4, C10H19O6PS2 and NH4Cl) for 48 h and ECG data were measured. P-wave, R-wave, T-wave, PR-interval, QRS-complex and QT-interval data were the focus of this study. The results of self-organizing maps and Pearson correlation analysis indicate that the QRS-complex can be used as an indicator for CuSO4 stress. The QT-interval could be used to assess the C10H19O6PS2 stress. The QT-interval and P-wave can be used to evaluate the NH4Cl stress. Responses of zebrafish ECG parameters were identical with other vertebrate model, and were specific to toxicant types. It is proved that zebrafish heart ECG index could be used as a potential indicator in early detection of environmental stress.
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Affiliation(s)
- Linlin Qiao
- , Institute of Environment and Ecology, Shandong Normal University, Jinan, 250358, PR China
| | - Xinyu Chen
- , Institute of Environment and Ecology, Shandong Normal University, Jinan, 250358, PR China
| | - Baixiang Ren
- , Institute of Environment and Ecology, Shandong Normal University, Jinan, 250358, PR China
| | - Rama-Krishnan Poopal
- , Institute of Environment and Ecology, Shandong Normal University, Jinan, 250358, PR China
| | - Rusong Zhao
- , Key Laboratory for Applied Technology of Sophisticated Analytical Instruments of Shandong Province, Qilu University of Technology (Shandong Academy of Sciences), Jinan, 250353, PR China
| | - Zongming Ren
- , Institute of Environment and Ecology, Shandong Normal University, Jinan, 250358, PR China.
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17
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Peng X, Dai C, Zhang M, Das Gupta S. Molecular Mechanisms Underlying Protective Role of Quercetin on Copper Sulfate-Induced Nephrotoxicity in Mice. Front Vet Sci 2021; 7:586033. [PMID: 33490128 PMCID: PMC7821355 DOI: 10.3389/fvets.2020.586033] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Accepted: 10/19/2020] [Indexed: 01/16/2023] Open
Abstract
Copper overload is an established cause of nephrotoxicity, but the precise molecular mechanism remains unknown. Our study aimed to investigate the molecular mechanism of copper sulfate (CuSO4)-induced nephrotoxicity and the protective effect of the natural compound quercetin using a mouse model. Mice were orally administered CuSO4 only (200 mg/kg per day), or co-administered CuSO4 (200 mg/kg per day) plus quercetin (25, 50, or 100 mg/kg per day), or quercetin only (100 mg/kg per day), or vehicle for 28 days. The blood and kidneys were collected for the examination of serum biomarkers, oxidative stress biomarkers, changes in histopathology and gene and protein expression. Our results show that quercetin supplementation attenuates CuSO4-induced renal dysfunction and tubular necrosis in a dose-dependent manner. Quercetin supplementation at 50 and 100 mg/kg significantly attenuated CuSO4-induced oxidative damage. Quercetin supplementation also inhibited the activities of caspases-9 and-3, and the expression of p53 and Bax mRNAs. Furthermore, quercetin supplementation markedly activated the expression of Nrf2 and HO-1 mRNAs, but inhibited the expression of NF-κB, IL-1β, IL-6, and TNF-α mRNAs. In conclusion, our results revealed that quercetin supplementation could inhibit CuSO4-induced nephrotoxicity in mice via the inhibition of mitochondrial apoptotic and NF-κB pathways and the activation of Nrf2/HO-1 pathway. Our study highlights quercetin as a potential candidate in treating copper overload-induced nephrotoxicity.
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Affiliation(s)
- Xinyan Peng
- College of Life Sciences, Yantai University, Yantai, China.,College of Food Engineering, Ludong University, Yantai, China
| | - Chongshan Dai
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, United States.,College of Veterinary Medicine, China Agricultural University, Beijing, China
| | - Min Zhang
- College of Life Sciences, Yantai University, Yantai, China
| | - Subhajit Das Gupta
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, United States
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18
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Shyamsivappan S, Saravanan A, Vandana N, Suresh T, Suresh S, Nandhakumar R, Mohan PS. Novel Quinoline-Based Thiazole Derivatives for Selective Detection of Fe 3+, Fe 2+, and Cu 2+ Ions. ACS OMEGA 2020; 5:27245-27253. [PMID: 33134686 PMCID: PMC7594140 DOI: 10.1021/acsomega.0c03445] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Accepted: 09/29/2020] [Indexed: 05/04/2023]
Abstract
New quinoline-based thiazole derivatives QPT and QBT were synthesized and characterized by various spectroscopic and single-crystal X-ray crystallographic studies. The metal-sensing properties of the probes were further examined by absorption and fluorescence spectrometry. The fluorescence intensity of QPT and QBT was remarkably quenched during the addition of Fe3+, Fe2+, and Cu2+ ions in THF/H2O (1:1) at pH = 7.4 in HEPES buffer, while the addition of other metal ions did not affect the fluorescence intensity of the ligands. The detection ability of the probes QPT and QBT was further investigated by titration with various equivalents of metal ions, optimized pH ranges for detection, and reversibility with Na2EDTA for biological applications.
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Affiliation(s)
- Selvaraj Shyamsivappan
- School
of Chemical Sciences, Bharathiar University, Coimbatore, Tamil Nadu 641046, India
| | - Arjunan Saravanan
- DRDO-BU
CLS, Bharathiar University, Coimbatore, Tamil Nadu 641046, India
| | - Nandakumar Vandana
- School
of Chemical Sciences, Bharathiar University, Coimbatore, Tamil Nadu 641046, India
| | - Thangaraj Suresh
- School
of Chemical Sciences, Bharathiar University, Coimbatore, Tamil Nadu 641046, India
| | - Shanmugam Suresh
- Department
of Chemistry, Karunya Institute of Technology
and Sciences, Coimbatore, Tamil Nadu 641114, India
| | - Raju Nandhakumar
- Department
of Chemistry, Karunya Institute of Technology
and Sciences, Coimbatore, Tamil Nadu 641114, India
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19
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Molecular Insights of Copper Sulfate Exposure-Induced Nephrotoxicity: Involvement of Oxidative and Endoplasmic Reticulum Stress Pathways. Biomolecules 2020; 10:biom10071010. [PMID: 32650488 PMCID: PMC7407214 DOI: 10.3390/biom10071010] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 06/23/2020] [Accepted: 07/06/2020] [Indexed: 12/12/2022] Open
Abstract
The precise pathogenic mechanism in Cu exposure-cause nephrotoxicity remains unclear. This study investigated the underlying molecular mechanism of copper sulfate (CuSO4)-induced nephrotoxicity. Mice were treated with CuSO4 at 50, 100, 200 mg/kg/day or co-treated with CuSO4 (200 mg/kg/day) and 4-phenylbutyric acid (4-PBA, 100 mg/kg/day) for 28 consecutive days. HEK293 cells were treated with CuSO4 (400 μM) with or without superoxide dismutase, catalase or 4-PBA for 24 h. Results showed that CuSO4 exposure can cause renal dysfunction and tubular necrosis in the kidney tissues of mice. CuSO4 exposure up-regulated the activities and mRNA expression of caspases-9 and -3 as well as the expression of glucose-regulated protein 78 (GRP78), GRP94, DNA damage-inducible gene 153 (GADD153/CHOP), caspase-12 mRNAs in the kidney tissues. Furthermore, superoxide dismutase and catalase pre-treatments partly inhibited CuSO4-induced cytotoxicity by decreasing reactive oxygen species (ROS) production, activities of caspases-9 and -3 and DNA fragmentations in HEK293 cells. 4-PBA co-treatment significantly improved CuSO4-induced cytotoxicity in HEK293 cells and inhibited CuSO4 exposure-induced renal dysfunction and pathology damage in the kidney tissues. In conclusion, our results reveal that oxidative stress and endoplasmic reticulum stress contribute to CuSO4-induced nephrotoxicity. Our study highlights that targeting endoplasmic reticulum and oxidative stress may offer an approach for Cu overload-caused nephrotoxicity.
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20
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The Effect of a Rat Diet Without Added Cu on Redox Status in Tissues and Epigenetic Changes in the Brain. ANNALS OF ANIMAL SCIENCE 2020. [DOI: 10.2478/aoas-2019-0075] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Abstract
The aim of the study was to determine whether feeding rats a diet without added Cu increases oxidation of macromolecules in tissues, as well as epigenetic changes in the brain. The rats were divided into two groups: the Cu-6.5 group which was fed a diet with a standard content of Cu in mineral mixture – 6.5 mg Cu from CuCO3 per kg of diet; and the Cu-0 group which was fed a diet with a mineral mix without Cu supplementation. At the end of the experiment the rats were weighed and blood samples were collected. Finally, the rats were euthanized and then the liver, small intestine, spleen, kidneys, heart, brain, lung, testes and leg muscles were removed and weighed. In the blood of Cu-0 rats the lower Cp activity and greater GPx and CAT activity than in Cu-6.5 rats were noticed. In the liver, lungs, heart and testes of Cu-0 rats, a decreased content of Cu were noticed. Application of Cu-0 diets resulted in increased LOOH level in the small intestine, liver, and heart, as well as increased MDA content in the liver, spleen, lungs, brain and testes. The Cu-0 treatment caused a decrease in SOD activity in the heart, lungs and testes of the rats and a decrease in CAT activity in the small intestine. In the brain and testes of rats from the Cu-0 treatment, lower content of GSH + GSSG was observed. The brain of rats from the Cu-0 treatment showed an increase in the level of PCs, 8-OHdG, Casp 8 and DNA methylation. The research has shown that a deficiency of Cu in the diet impairs the body’s antioxidant defences, which in turn leads to increased lipid oxidation in the liver, small intestinal wall, heart, spleen, lungs, brain and testes, as well as to oxidation of proteins and DNA in the brain. A deficiency of Cu in the diet also increases methylation of cytosine in the brain.
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21
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Gao Y, Yang W, Che D, Adams S, Yang L. Advances in the mechanism of high copper diets in restraining pigs growth. J Anim Physiol Anim Nutr (Berl) 2019; 104:667-678. [PMID: 31840317 DOI: 10.1111/jpn.13213] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Revised: 08/24/2019] [Accepted: 08/26/2019] [Indexed: 12/12/2022]
Abstract
High copper feed has been widely used as an inexpensive and highly effective feed additive to promote growth performance of pigs. However, long-term feeding of high copper feed may reduce the growth-promoting effects of copper, time-dependent accumulation of copper in animal tissues and organs, and copper toxicity thereby reducing the growth performance of pigs. Due to the widespread effects of high copper supplementation in animals' diets, the benefits and drawbacks of high copper feeding in pigs have been reported in several studies. Meanwhile, few of these studies have systematically described the mechanism by which high copper diets restrain pig growth. Therefore, to address the concerns and give a better understanding of the mechanism of high copper diet in restraining pig growth in different systems, this paper reviews the research progress of long-term supplementation of high copper on the growth of pigs and provides some suggestions and further research directions.
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Affiliation(s)
- Yang Gao
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Wenyan Yang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China.,Jilin Provincial Key Lab of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, China.,Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Dongsheng Che
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China.,Jilin Provincial Key Lab of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, China.,Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, China
| | - Seidu Adams
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China
| | - Lianyu Yang
- College of Animal Science and Technology, Jilin Agricultural University, Changchun, China.,Jilin Provincial Key Lab of Animal Nutrition and Feed Science, Jilin Agricultural University, Changchun, China.,Production, Product Quality and Security, Ministry of Education, Jilin Agricultural University, Changchun, China
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22
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Kalita J, Kumar V, Misra UK, Bora HK. Movement Disorder in Copper Toxicity Rat Model: Role of Inflammation and Apoptosis in the Corpus Striatum. Neurotox Res 2019; 37:904-912. [PMID: 31811585 DOI: 10.1007/s12640-019-00140-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2019] [Revised: 10/31/2019] [Accepted: 11/08/2019] [Indexed: 12/14/2022]
Abstract
The pattern of copper (Cu) toxicity in humans is similar to Wilson disease, and they have movement disorders and frequent involvement of corpus striatum. The extent of cell deaths in corpus striatum may be the basis of movement disorder and may be confirmed in the experimental study. To evaluate the extent of apoptosis and glial activation in corpus striatum following Cu toxicity in a rat model, and correlate these with spontaneous locomotor activity (SLA), six male Wistar rats were fed normal saline (group I) and another six were fed copper sulfate 100 mg/kgBWt/daily orally (group II). At 1 month, neurobehavioral studies including SLA, rotarod, and grip strength were done. Corpus striatum was removed and was subjected to glial fibrillary acidic protein (GFAP) and caspase-3 immunohistochemistry. The concentration of tissue Cu, total antioxidant capacity (TAC), glutathione (GSH), malondialdehyde (MDA), and glutamate were measured. Group II rats had higher expression of caspase-3 (Mean ± SEM 32.67 ± 1.46 vs 4.47 ± 1.08; p < 0.01) and GFAP (41.81 ± 1.68 vs 31.82 ± 1.27; p < 0.01) compared with group I. Neurobehavioral studies revealed reduced total distance traveled, time moving, the number of rearing, latency to fall on the rotarod, grip strength, and increased resting time compared with group I. The expression of GFAP and caspase-3 correlated with SLA parameters, tissue Cu, GSH, MDA, TAC, and glutamate levels. The impaired locomotor activity in Cu toxicity rats is due to apoptotic and inflammatory-mediated cell death in the corpus striatum because of Cu-mediated oxidative stress and excitotoxicity.
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Affiliation(s)
- Jayantee Kalita
- Department of Neurology, Sanjay Gandhi Post Graduate Medical Sciences, Raebareily Road, Lucknow, 226014, India.
| | - Vijay Kumar
- Department of Biotechnology, Yeungnam University, Gyeongsan, Gyeongbuk, 38541, Republic of Korea
| | - Usha K Misra
- Department of Neurology, Sanjay Gandhi Post Graduate Medical Sciences, Raebareily Road, Lucknow, 226014, India
| | - Himangsu K Bora
- National Laboratory Animal Centre, CSIR-Central Drug Research Institute, Lucknow, India
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23
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Copper induces oxidative stress and apoptosis through mitochondria-mediated pathway in chicken hepatocytes. Toxicol In Vitro 2018; 54:310-316. [PMID: 30389602 DOI: 10.1016/j.tiv.2018.10.017] [Citation(s) in RCA: 114] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Revised: 10/12/2018] [Accepted: 10/29/2018] [Indexed: 11/21/2022]
Abstract
The aim of this study was to investigate the effects of excessive copper (Cu)-induced cytotoxicity on oxidative stress and mitochondrial apoptosis in chicken hepatocytes. Chicken hepatocytes were cultured in medium in the absence and presence of copper sulfate (CuSO4) (10, 50, 100 μM), in N-acetyl-L-cysteine (NAC) (1 mM), and the combination of CuSO4 and NAC for 24 h. Morphologic observation and function, reactive oxygen species (ROS) level, antioxidant indices, nitric oxide (NO) content, mitochondrial membrane potential (MMP), and apoptosis-related mRNA and protein levels were determined. These results indicated that excessive Cu could induce release of intracellular lactate dehydrogenase (LDH), aspartate aminotransferase (AST), and alanine aminotransferase (ALT); increase levels of ROS, superoxide dismutase (SOD), malondialdehyde (MDA), catalase (CAT), lipid peroxidation (LPO), and NO; decrease glutathione (GSH) content and MMP; upregulated Bak1, Bax, CytC, and Caspase3 mRNA and protein expression, inhibited Bcl2 mRNA and protein expression, and induced cell apoptosis in a dose effect. The Cu-caused changes of all above factors were alleviated by treatment with NAC. These results suggested that excessive Cu could induce oxidative stress and apoptosis via mitochondrial pathway in chicken hepatocytes.
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24
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Yang F, Liao J, Pei R, Yu W, Han Q, Li Y, Guo J, Hu L, Pan J, Tang Z. Autophagy attenuates copper-induced mitochondrial dysfunction by regulating oxidative stress in chicken hepatocytes. CHEMOSPHERE 2018; 204:36-43. [PMID: 29649662 DOI: 10.1016/j.chemosphere.2018.03.192] [Citation(s) in RCA: 82] [Impact Index Per Article: 13.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 03/27/2018] [Accepted: 03/28/2018] [Indexed: 06/08/2023]
Abstract
Copper (Cu) is an essential trace element that is required for the catalysis of several cellular enzymes. Excessive Cu could induce hepatotoxicity in humans and multiple animals. The purpose of this study was to investigate the effects of autophagy machinery on Cu-induced hepatotoxicity. Chicken hepatocytes were cultured in medium in the absence and presence of Cu sulfate (CuSO4) (0, 10, 50, and 100 μM) for 0, 6, 12, and 24 h, and in the combination of CuSO4 and N-acetyl-l-cysteine (NAC) (1 mM), rapamycin (10 nM), and 3-methyladenine (3-MA) (5 mM) for 24 h. Results showed that Cu could markedly increase the number of autophagosomes and LC3 puncta, induce autophagy-related genes (Beclin1, ATG5, LC3Ⅰ, LC3Ⅱ, mTOR, and Dynein) mRNA expression and proteins (BECN1, LC3Ⅱ/LC3Ⅰ) expression. NAC could relieve Cu-induced the changes of above genes and proteins. Additionally, rapamycin attenuated Cu-induced the increased lactic dehydrogenase (LDH), aspartate amino transferase (AST), and alanine aminotransferase (ALT) activities, and SOD-1 mRNA expression as well as the decreased cell viability, reactive oxygen species (ROS), hydrogen peroxide, total superoxide dismutase (T-SOD), malonaldehyde (MDA), catalase (CAT), HO-1 mRNA expression, adenosine triphosphate (ATP) levels, mitochondrial mass, and mitochondria membrane potential (MMP). But 3-MA had the opposite effects on above factors. Collectively, these findings provide strong evidence that Cu could induce autophagy by generating excessive ROS in hepatocytes, and autophagy might attenuate Cu-induced mitochondrial dysfunction by regulating oxidative stress.
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Affiliation(s)
- Fan Yang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China.
| | - Jianzhao Liao
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Ruonan Pei
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Wenlan Yu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Qingyue Han
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Ying Li
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Jianying Guo
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Lianmei Hu
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Jiaqiang Pan
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China
| | - Zhaoxin Tang
- College of Veterinary Medicine, South China Agricultural University, Guangzhou 510642, Guangdong, PR China.
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25
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Salles FJ, Sato APS, Luz MS, Fávaro DIT, Ferreira FJ, da Silva Paganini W, Olympio KPK. The environmental impact of informal and home productive arrangement in the jewelry and fashion jewelry chain on sanitary sewer system. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2018; 25:10701-10713. [PMID: 29392608 DOI: 10.1007/s11356-018-1357-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2017] [Accepted: 01/22/2018] [Indexed: 06/07/2023]
Abstract
The outsourcing informal home practices adopted in jewelry and fashion jewelry chain can cause toxic substance elimination in the effluents and raise a concern for its environmental impact. This study evaluates if this informal work alters the concentration of potentially toxic elements (PTEs: As, Cd, Cr total and Cr-VI, Cu, Hg, Ni, Pb, Sn, and Zn) in the sewage network. The sanitary sewage samples (n = 540) were collected in 15 manholes during two campaigns in three different areas of Limeira-SP, Brazil (industrial area, with informal work and without known industrial/informal activity). The sewage sludge (n = 12), raw (n = 12), and treated sewage (n = 12) were collected in two wastewater treatment plants (WWT: AS and TATU) operating with different treatment process. The PTE determination was performed by ICP-OES, direct mercury analysis, and UV-Vis spectroscopy. Cr-VI, Cu, Ni, and Zn were the only elements above the quantification limit. Four samples exceeded Cu or Zn values permitted to be discharged into sewage system; however, the concentration average was lower than that established by Brazilian legislation. A difference was found between values above and below the 75th percentile for campaign and total organic carbon values (p < 0.015). The AS-treated sewage presented low concentrations of Cu (p < 0.05), Zn (p = 0.02), and Ni (p = 0.01) compared to treated sewage from TATU. In the sludge samples, the Cu means exceeded the limits of the Brazilian legislation (1500 mg kg-1) and the Zn results were very close to the limits (2800 mg kg-1). The heterogeneity of the results can indicate the sporadic nature of the PTE's sanitary disposal. PTEs used in jewelry and fashion jewelry chain may precipitate on the sludge, where presented high concentrations of Cu and Zn which require controlled destination.
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Affiliation(s)
- Fernanda Junqueira Salles
- Environmental Health Department, School of Public Health, São Paulo University, Av. Dr. Arnaldo, 715, Cerqueira César, Sao Paulo, SP, 01246-904, Brazil
| | - Ana Paula Sayuri Sato
- Epidemiology Departament, School of Public Health, São Paulo University, Av. Dr. Arnaldo, 715, Cerqueira César, Sao Paulo, SP, 01246-904, Brazil
| | - Maciel Santos Luz
- Metallurgical Processes Laboratory, Technological Research Institute of the State of São Paulo, Sao Paulo, SP, Brazil
| | | | | | - Wanderley da Silva Paganini
- Environmental Health Department, School of Public Health, São Paulo University, Av. Dr. Arnaldo, 715, Cerqueira César, Sao Paulo, SP, 01246-904, Brazil
| | - Kelly Polido Kaneshiro Olympio
- Environmental Health Department, School of Public Health, São Paulo University, Av. Dr. Arnaldo, 715, Cerqueira César, Sao Paulo, SP, 01246-904, Brazil.
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26
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Cheng Y, Kang W, Guo Y, Du C, Xie Y, Chen Y, Yao W, Qian H. Visual detection of Cu2+ based on fluorescence quenching of green-synthesized gold nanoclusters using soy protein as template. FOOD AGR IMMUNOL 2017. [DOI: 10.1080/09540105.2017.1314451] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022] Open
Affiliation(s)
- Yuliang Cheng
- State Key Lab of Food Science & Technology, School of Food Science & Technology, Jiangnan University, Wuxi, People’s Republic of China
| | - Wenhan Kang
- State Key Lab of Food Science & Technology, School of Food Science & Technology, Jiangnan University, Wuxi, People’s Republic of China
| | - Yahui Guo
- State Key Lab of Food Science & Technology, School of Food Science & Technology, Jiangnan University, Wuxi, People’s Republic of China
| | - Chao Du
- State Key Lab of Food Science & Technology, School of Food Science & Technology, Jiangnan University, Wuxi, People’s Republic of China
| | - Yunfei Xie
- State Key Lab of Food Science & Technology, School of Food Science & Technology, Jiangnan University, Wuxi, People’s Republic of China
| | | | - Weirong Yao
- State Key Lab of Food Science & Technology, School of Food Science & Technology, Jiangnan University, Wuxi, People’s Republic of China
| | - He Qian
- State Key Lab of Food Science & Technology, School of Food Science & Technology, Jiangnan University, Wuxi, People’s Republic of China
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