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Kayalar O, Bayrak BB, Yildirim M, Yanardag R, Oztay F. Retinoic acid reduces kidney injury by regulating oxidative stress, NRF-2, and apoptosis in hyperoxic mice. Cell Biochem Funct 2024; 42:e4094. [PMID: 39001564 DOI: 10.1002/cbf.4094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2024] [Revised: 06/03/2024] [Accepted: 07/01/2024] [Indexed: 07/19/2024]
Abstract
Nuclear factor-erythroid-2-related factor-2 (NRF-2) is a cellular resistance protein to oxidants. We investigated the effect of exogenous all-trans retinoic acid (ATRA) on the antioxidant system and NRF-2 in mice kidneys under hyperoxia-induced oxidative stress. Mice were divided into four groups. Daily, two groups were given either peanut-oil/dimethyl sulfoxide (PoDMSO) mixture or 50 mg/kg ATRA. Oxidative stress was induced by hyperoxia in the remaining groups. They were treated with PoDMSO or ATRA as described above, following hyperoxia (100% oxygen) for 72 h. NRF-2 and active-caspase-3 levels, lipid peroxidation (LPO), activities of antioxidant enzymes, xanthine oxidase (XO), paraoxonase1 (PON1), lactate dehydrogenase (LDH), tissue factor (TF), and prolidase were assayed in kidneys. Hyperoxia causes kidney damage induced by oxidative stress and apoptosis. Increased LPO, LDH, TF, and XO activities and decreased PON1 and prolidase activities contributed to kidney damage in hyperoxic mice. After hyperoxia, increases in the activities of antioxidant enzymes and NRF-2 level could not prevent this damage. ATRA attenuated damage via its oxidative stress-lowering effect. The decreased LDH and TF activities increased PON1 and prolidase activities, and normalized antioxidant statuses are indicators of the positive effects of ATRA. We recommend that ATRA can be used as a renoprotective agent against oxidative stress induced-kidney damage.
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Affiliation(s)
- Ozgecan Kayalar
- Department of Biology, Molecular Biology Division, Science Faculty, Istanbul University, Istanbul, Turkey
- School of Medicine, Koç University Research Center for Translational Medicine (KUTTAM), Koç University, Istanbul, Turkey
| | - Bertan Boran Bayrak
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Istanbul, Turkey
| | - Merve Yildirim
- Department of Biology, Molecular Biology Division, Science Faculty, Istanbul University, Istanbul, Turkey
| | - Refiye Yanardag
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Istanbul, Turkey
| | - Fusun Oztay
- Department of Biology, Molecular Biology Division, Science Faculty, Istanbul University, Istanbul, Turkey
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Yousefian M, Abedimanesh S, Yadegar A, Nakhjavani M, Bathaie SZ. Co-administration of "L-Lysine, Vitamin C, and Zinc" increased the antioxidant activity, decreased insulin resistance, and improved lipid profile in streptozotocin-induced diabetic rats. Biomed Pharmacother 2024; 174:116525. [PMID: 38599057 DOI: 10.1016/j.biopha.2024.116525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 03/24/2024] [Accepted: 03/28/2024] [Indexed: 04/12/2024] Open
Abstract
PURPOSE We previously showed the beneficial effect of L-Lysine (Lys), a chemical chaperone, on reducing diabetic complications in diabetic rats and type 2 diabetic patients. Herein, we evaluated the effect of Lys co-administration with Vitamin C and Zinc (Lys+VC+Zn), in diabetic rats. METHODS The streptozotocin (50 mg/Kg) was injected into male adult Wistar rats to induce diabetes. Then, different groups of normal and diabetic rats were treated with Lys and Lys+VC+Zn for five months. So, there were 0.1 % Lys in the drinking water of both groups. The control groups received water alone. During the experiment, the body weight, and various parameters were determined in the blood, serum/plasma, and urine of the rats. RESULTS The determination of biochemical indexes confirmed diabetes induction and its complications in rats. Treatment with either Lys or Lys+VC+Zn resulted in reduced blood glucose and protein glycation (decreasing AGEs and HbA1c), increased insulin secretion, alleviated insulin resistance and HOMA-IR, improved lipid profile and HDL functionality (LCAT and PON1), enhanced antioxidant status (FRAP and AOPP), improved kidney function (decreased microalbuminuria, serum urea, and creatinine), and increased chaperone capacity (HSP70). Lys+VC+Zn showed better effects on these parameters than Lys alone. CONCLUSIONS The results of this study indicated that co-administration of Lys, a chemical chaperone, with two antioxidants (VC and Zn) potentiates its antidiabetic effects and prevent diabetic complications in rat model of diabetes.
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Affiliation(s)
- Mostafa Yousefian
- Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Islamic Republic of Iran
| | - Saeid Abedimanesh
- Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Islamic Republic of Iran
| | - Amirhossein Yadegar
- Endocrinology and Metabolism Research Center, Vali-Asr Hospital, Medical Sciences University of Tehran, Tehran, Islamic Republic of Iran
| | - Manouchehr Nakhjavani
- Endocrinology and Metabolism Research Center, Vali-Asr Hospital, Medical Sciences University of Tehran, Tehran, Islamic Republic of Iran
| | - S Zahra Bathaie
- Department of Clinical Biochemistry, Faculty of Medical Sciences, Tarbiat Modares University, Tehran, Islamic Republic of Iran.
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Melero R, Quiroz-Rodríguez ME, Lara-Hernández F, Redón J, Sáez G, Briongos-Figuero LS, Abadía-Otero J, Martín-Escudero JC, Chaves FJ, Ayala G, García-García AB. Genetic interaction in the association between oxidative stress and diabetes in the Spanish population. Free Radic Biol Med 2023; 205:62-68. [PMID: 37268047 DOI: 10.1016/j.freeradbiomed.2023.05.030] [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: 03/22/2023] [Revised: 05/24/2023] [Accepted: 05/30/2023] [Indexed: 06/04/2023]
Abstract
Oxidative stress (OS) is a relevant intermediate mechanism involved in Type 2 Diabetes Mellitus (T2D) development. To date, the interaction between OS parameters and variations in genes related to T2D has not been analyzed. AIMS To study the genetic interaction of genes potentially related to OS levels (redox homeostasis, renin-angiotensin-aldosterone system, endoplasmic stress response, dyslipidemia, obesity and metal transport) and OS and T2D risk in a general population from Spain (the Hortega Study) in relation to the risk of suffering from T2D. MATERIALS AND METHODS One thousand five hundred and two adults from the University Hospital Rio Hortega area were studied and 900 single nucleotide polymorphisms (SNPs) from 272 candidate genes were analyzed. RESULTS There were no differences in OS levels between cases and controls. Some polymorphisms were associated with T2D and with OS levels. Significant interactions were observed between OS levels and two polymorphisms in relation to T2D presence: rs196904 (ERN1 gene) and rs2410718 (COX7C gene); and between OS levels and haplotypes of the genes: SP2, HFF1A, ILI8R1, EIF2AK2, TXNRD2, PPARA, NDUFS2 and ERN1. CONCLUSIONS Our results indicate that genetic variations of the studied genes are associated with OS levels and that their interaction with OS parameters may contribute to the risk of developing T2D in the Spanish general population. These data support the importance of analyzing the influence of OS levels and their interaction with genetic variations in order to establish their real impact in T2D risk. Further studies are required to identify the real relevance of interactions between genetic variations and OS levels and the mechanisms involved in them.
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Affiliation(s)
- Rebeca Melero
- Genomics and Diabetes Unit, INCLIVA Biomedical Research Institute, 46010, Valencia, Spain
| | | | | | - Josep Redón
- Cardiometabolic Renal Risk Research Group, INCLIVA Biomedical Research Institute, University of Valencia, 46010, Valencia, Spain; CIBEROBN, ISCIII, 28029, Madrid, Spain
| | - Guillermo Sáez
- Department of Biochemistry and Molecular Biology, Faculty of Medicine and Odontology, University of Valencia, 46010, Valencia, Spain; Service of Clinical Analysis, University Hospital Dr. Peset-FISABIO, Spain
| | | | - Jessica Abadía-Otero
- Department of Internal Medicine, Rio Hortega University Hospital, 47012, Valladolid, Spain
| | - Juan Carlos Martín-Escudero
- Department of Internal Medicine, Rio Hortega University Hospital, 47012, Valladolid, Spain; Department of Medicine, Faculty of Medicine, University of Valladolid, 47002, Valladolid, Spain
| | - F Javier Chaves
- Genomics and Diabetes Unit, INCLIVA Biomedical Research Institute, 46010, Valencia, Spain; CIBERDEM, ISCIII, 28029, Madrid, Spain.
| | - Guillermo Ayala
- Department of Statistics and Operation Research, University of Valencia, 46100, Burjassot, Valencia, Spain
| | - Ana-Bárbara García-García
- Genomics and Diabetes Unit, INCLIVA Biomedical Research Institute, 46010, Valencia, Spain; CIBERDEM, ISCIII, 28029, Madrid, Spain
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Ertik O, Bayrak BB, Sener G, Yanardag R. Melatonin improves liver and pancreatic tissue injuries in diabetic rats: role on antioxidant enzymes. J Diabetes Metab Disord 2023; 22:591-602. [PMID: 37255817 PMCID: PMC10225460 DOI: 10.1007/s40200-022-01179-w] [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: 10/19/2022] [Revised: 12/14/2022] [Accepted: 12/25/2022] [Indexed: 06/01/2023]
Abstract
Purpose Melatonin (Mel) is an indolamine mainly synthesized by the pineal gland and many other organs. It plays an important role in scavenging free radicals and stimulating antioxidant enzymes. The goal of this study was to investigate the effect of Mel and/or insulin treatment on oxidative liver and pancreas injuries in diabetic rats. Methods Male Wistar albino rats were assigned into 5 groups. Group I: control animals. Group II: diabetes was induced via a single dose of STZ (60 mg/kg) administered intraperitoneally. Group III: diabetic rats treated with Mel (10 mg/kg/day). Group IV: diabetic rats given insulin (6U/kg) subcutaneously. Group V: diabetic rats that received insulin and Mel at the same dose and time. After 12 weeks of the experiment, the animals were decapitated, liver and pancreas tissues were collected. Results The results indicated that reduced glutathione levels in liver and pancreatic tissue decreased, while protein carbonyl, advanced oxidized protein products and lipid peroxidation levels were elevated in diabetic group. Antioxidant enzyme activities decreased in liver tissues but increased in pancreatic tissues of the diabetic group. Administration of Mel, insulin or Mel + insulin reversed these biochemical changes in the diabetic animals. Conclusion This work shows that in long-term oxidative stress conditions caused by STZ-induced diabetes, either Mel or Mel + insulin administration may improve the deteriorated oxidant/antioxidant system in both the liver and pancreas tissues. These results suggested that Mel alone or Mel + insulin treatments might have a significant role in protecting against liver and pancreatic damage in STZ diabetic rats via different antioxidant effects.
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Affiliation(s)
- Onur Ertik
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, 34320 Avcilar Istanbul, Turkey
| | - Bertan Boran Bayrak
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, 34320 Avcilar Istanbul, Turkey
| | - Goksel Sener
- Department of Pharmacology, Faculty of Pharmacy, Fenerbahce University, 34758 Ataşehir Istanbul, Turkey
| | - Refiye Yanardag
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, 34320 Avcilar Istanbul, Turkey
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Ertik O, Sener G, Yanardag R. The effect of melatonin on glycoprotein levels and oxidative liver injury in experimental diabetes. J Biochem Mol Toxicol 2023; 37:e23268. [PMID: 36527249 DOI: 10.1002/jbt.23268] [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: 07/01/2022] [Revised: 09/23/2022] [Accepted: 12/01/2022] [Indexed: 12/23/2022]
Abstract
In this present study, the duration of melatonin (Mel) administered to diabetic rats was prolonged so as to examine its effects on the biochemical liver parameters of diabetic rats. In the experiment, Male Sprague Dawley rats were divided randomly into five groups; the control, diabetic + Mel, diabetic, diabetic + insulin, and diabetic + Mel + insulin. Diabetes mellitus was induced by administration of a single dose of streptozotocin (60 mg/kg) intraperitoneally and rats were given vehicle as a solvent for Mel every day for 12 weeks. In the diabetic + Mel group, diabetic rats were administered Mel (10 mg/kg/day) for 12 weeks to treat diabetes. The diabetic + insulin group were diabetic rats given insulin (6 U/kg) subcutaneously for 12 weeks. The diabetic + Mel + insulin rats received insulin and Mel at the same dose and time. At the end of the experiment, the animals were decapitated and liver tissues were taken. The protective effect of Mel on liver tissue of diabetic rats was investigated, total antioxidant status, total oxidant status, reactive oxygen species, oxidative stress index, adenosine deaminase, xanthine oxidase, paraoxonase 1, sodium/potassium ATPase, myeloperoxidase, γ-glutamyl transferase, sorbitol dehydrogenase, tumor necrosis factor-alpha, homocysteine, nitric oxide, glucose-6-phosphate dehydrogenase, and glycoprotein levels were determined in liver tissues. Treatment with Mel and/or insulin has been found to have a protective effect on biochemical parameters. The results showed that administration of Mel to diabetic rats prevented the distortion of the studied biochemical parameters of liver tissues.
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Affiliation(s)
- Onur Ertik
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Goksel Sener
- Department of Pharmacology, Faculty of Pharmacy, Fenerbahce University, Istanbul, Turkey
| | - Refiye Yanardag
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Istanbul, Turkey
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Yao X, Huang S, Li Y, Ge Y, Zhang Z, Ning J, Yang X. Transgenerational effects of zinc, selenium and chromium supplementation on glucose homeostasis in female offspring of gestational diabetes rats. J Nutr Biochem 2022; 110:109131. [PMID: 36028097 DOI: 10.1016/j.jnutbio.2022.109131] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 07/26/2022] [Accepted: 08/01/2022] [Indexed: 01/13/2023]
Abstract
Clinical studies have demonstrated that maternal gestational diabetes mellitus (GDM) increases the offspring's risk of developing glucose intolerance. Our previous study reported that co-supplementation with zinc, selenium, and chromium improved insulin resistance in diet-induced GDM rats. Here, Transgenerational effects of supplementation with zinc (10 mg/kg.bw), selenium (20 μg/kg.bw), and chromium (20 μg/kg.bw) in F1 female offspring of both zinc, selenium and chromium (ZnSeCr)-treated, and untreated GDM rats daily by gavage from weaning to the postpartum were investigated in the present study. Glucose homeostasis in the F1 female offspring of GDM at different stages were evaluated. Maternal GDM did increase the birth mass of newborn F1 female offspring, as well as the serum glucose and insulin levels. Zinc, selenium and chromium supplementation attenuated the GDM-induced mass gain, increased serum glucose and insulin levels in the female neonates. The high fat and sucrose (HFS) diet-fed GDM-F1 offspring developed GDM, with glucose intolerance, hyperglycemia and insulin resistance during pregnancy. Moreover, endoplasmic reticulum (ER) stress-related protein levels were increased and the activation of insulin signaling pathways were reduced in the liver of HFS-fed GDM-F1 offspring. Whereas glucose homeostasis in parallel with insulin sensitivity was normalized in the female offspring of GDM by supplementation both F0 dams and F1 offspring with zinc, selenium and chromium, not in those either F0 or F1 elements supplemented offspring. Therefore, we speculate that zinc, selenium and chromium supplementation may have a potential beneficial transgenerational effect on the glucose homeostasis in the female offspring of GDM.
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Affiliation(s)
- Xueqiong Yao
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Shanshan Huang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yan Li
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yanyan Ge
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Zhen Zhang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jie Ning
- Department of Endocrinology, Shenzhen Longhua District Central Hospital, Guangdong Medical University Affiliated Longhua Central Hospital, Shenzhen, Guangdong, China.
| | - Xuefeng Yang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
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Matowane GR, Ramorobi LM, Mashele SS, Bonnet SL, Noreljaleel AEM, Swain SS, Makhafola TJ, Chukwuma CI. Complexation potentiated promising anti-diabetic and anti-oxidative synergism between ZN(ii) and ferulic acid: A multimode study. Diabet Med 2022; 39:e14905. [PMID: 35748705 DOI: 10.1111/dme.14905] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Revised: 06/15/2022] [Accepted: 06/22/2022] [Indexed: 12/01/2022]
Abstract
AIM This study was done to investigate the anti-diabetic and anti-oxidative synergism between zinc(II) and ferulic acid through complexation. METHODS Zinc sulphate was complexed with ferulic acid in a 1:2 molar ratio. The complex was characterized using Fourier-transform infrared spectroscopy, proton NMR and high-resolution mass spectroscopy techniques and evaluated for cellular toxicity. In silico, in vitro, cell-based and tissue experimental models were used to test the anti-diabetic and anti-oxidant activities of the complex relative to its precursors. RESULTS A zinc(II)-biferulate.2H2 O complex was formed. The in vitro radical scavenging, anti-lipid peroxidative and α-glucosidase and α-amylase inhibitory activity of the complex was 1.7-2.1 folds more potent than ferulic acid. Zn(II) complexation increased the anti-glycation activity of ferulic acid by 1.5 folds. The complex suppressed lipid peroxidation (IC50 = 48.6 and 331 μM) and GHS depletion (IC50 = 33.9 and 33.5 μM) in both Chang liver cells and isolated rat liver tissue. Its activity was 2.3-3.3 folds more potent than ferulic acid and statistically comparable to ascorbic acid. Zn(II) complexation afforded ferulic acid improved glucose uptake activity in L-6 myotube (EC50 = 11.7 vs. 45.7 μM) and isolated rat muscle tissue (EC50 = 501 and 1510 μM). Complexation increased muscle tissue zinc(II) uptake and hexokinase activity. Docking scores of the complex (-7.24 to -8.25 kcal/mol) and ferulic acid (-5.75 to 6.43 kcal/mol) suggest the complex had stronger interaction with protein targets related to diabetes, which may be attributed to the 2 ferulic acid moieties and Zn(II) in the complex. Moreover, muscle tissue showed increased phospho-Akt/pan-Akt ratio upon treatment with complex. The complex was not hepatotoxic and myotoxic at in vitro cellular level. CONCLUSION Zn(II) complexation may be promising therapeutic approach for improving the glycaemic control and anti-oxidative potential of natural phenolic acids.
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Affiliation(s)
- Godfrey R Matowane
- Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
| | - Limpho M Ramorobi
- Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
| | - Samson S Mashele
- Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
| | - Susanna L Bonnet
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, South Africa
| | - Anwar E M Noreljaleel
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, South Africa
| | - Shasank S Swain
- Division of Microbiology & NCDs, ICMR-Regional Medical Research Centre, Bhubaneswar, Odisha, India
| | - Tshepiso J Makhafola
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
| | - Chika I Chukwuma
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
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Lokman M, Ashraf E, Kassab RB, Abdel Moneim AE, El-Yamany NA. Aluminum Chloride-Induced Reproductive Toxicity in Rats: the Protective Role of Zinc Oxide Nanoparticles. Biol Trace Elem Res 2022; 200:4035-4044. [PMID: 34741695 DOI: 10.1007/s12011-021-03010-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Accepted: 10/31/2021] [Indexed: 12/30/2022]
Abstract
Reproductive toxicity is a major challenge associated with aluminum (Al) exposure. Therefore, this study aimed to investigate the effects of zinc oxide nanoparticle (ZnONP) treatment on Al-induced reproductive toxicity in rats. Thirty-two adult male albino rats were allocated into four equal groups as follows: control, AlCl3 orally administered group (100 mg/kg bwt), ZnONPs injected intraperitoneally (i.p.) group (4 mg/kg bwt), and ZnONPs + AlCl3-treated group. The treatment was daily extended for 42 consecutive days. Oral administration of AlCl3 showed an oxidative damage confirmed by an increase in malondialdehyde and nitric oxide levels and superoxide dismutase activity and accompanied by a decrease in glutathione content and catalase activity. Also, AlCl3 administration increased the pro-inflammatory mediator tumor necrosis factor-alpha. Furthermore, significant declines in the levels of serum male reproductive hormones testosterone, luteinizing hormone, and follicle-stimulating hormone in AlCl3-intoxicated rats were noticed. In parallel, severe histopathological alterations were observed in testis tissues. Additionally, the immunohistochemical analysis showed that AlCl3 administration potentiates cell death in the testicular tissue by elevating the immunostaining intensity signal for the pro-apoptotic protein, cysteinyl aspartate specific protease-3 (caspase-3) and a marked depletion in the cell proliferation expression marker, Ki-67, in germinal cells of AlCl3-treated group. On the other hand, the daily i.p. injection to rats with ZnONPs before AlCl3 was found to ameliorate the reproductive toxicity induced by Al administration through reducing the testicular oxidative stress and improving the inflammatory, apoptotic, and reproductive markers as well as histopathological alterations in the testis. These results suggest that ZnONPs could be used as an alternative agent to minimize the reproductive toxicity associated with Al exposure through its antioxidant, anti-inflammatory, anti-apoptotic, and reproductive modulatory activities.
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Affiliation(s)
- Maha Lokman
- Biology Department, College of Science and Humanities, Prince Sattam bin Abdul Aziz University, Alkharj, Saudi Arabia
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo, Egypt
| | - Eman Ashraf
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo, Egypt
| | - Rami B Kassab
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo, Egypt
- Department of Biology, Faculty of Science and Arts, Al-Baha University, Almakhwah, Al-Baha, Saudi Arabia
| | - Ahmed E Abdel Moneim
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo, Egypt.
| | - Nabil A El-Yamany
- Department of Zoology and Entomology, Faculty of Science, Helwan University, Cairo, Egypt
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Ramorobi LM, Matowane GR, Mashele SS, Swain SS, Makhafola TJ, Mfengwana PMAH, Chukwuma CI. Zinc(II) - Syringic acid complexation synergistically exerts antioxidant action and modulates glucose uptake and utilization in L-6 myotubes and rat muscle tissue. Biomed Pharmacother 2022; 154:113600. [PMID: 36037784 DOI: 10.1016/j.biopha.2022.113600] [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: 07/01/2022] [Revised: 08/15/2022] [Accepted: 08/21/2022] [Indexed: 11/15/2022] Open
Abstract
Zinc and syringic acid have metabolic and antioxidant medicinal potentials. A novel zinc(II)-syringic acid complex with improved anti-hyperglycaemic and antioxidant potential was developed. Zinc(II) was complexed with syringic acid in a 1:2 molar ratio and characterized using FT-IR, 1H NMR and LC-MS. Different experimental models were used to compare the anti-hyperglycaemic and antioxidant properties between the complex and precursors. A Zn(II)-bisyringate.2H2O complex was formed. The in vitro radical scavenging and Fe3+ reducing antioxidant, antiglycation, and α-glucosidase inhibitory activities of the complex were 1.8-5.2 folds stronger than those of the syringic acid precursor and comparable to those of the positive controls. The complex possessed an increased ability to inhibit lipid peroxidation (by 1.6-1.7 folds) and glutathione depletion (2.8-3 folds) relative to syringic acid in Chang liver cells and liver tissues isolated from rats. The complex exhibited a higher glucose uptake effect (EC50 = 20.4 and 386 µM) than its precursors (EC50 = 71.1 and 6460 µM) in L6-myotubes and psoas muscle tissues isolated from rats, respectively, which may be linked to the observed increased cellular zinc uptake potentiated by complexation. Tissue glucose uptake activity was accompanied by increased hexokinase activity, suggesting increased glucose utilization. Moreover, treatment increased tissue phospho-Akt/pan-Akt ratio. The complex had strong molecular docking scores than syringic acid with target proteins linked to diabetes. The presence of two syringic acid moieties and Zn(II) in the complex influenced its potency. The complex was not hepatotoxic and myotoxic in vitro. Zinc-syringic acid complexation may be a novel promising therapeutic approach for diabetes and oxidative complications.
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Affiliation(s)
- Limpho M Ramorobi
- Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein 9301, Free State, South Africa; Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein 9301, Free State, South Africa
| | - Godfrey R Matowane
- Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein 9301, Free State, South Africa; Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein 9301, Free State, South Africa
| | - Samson S Mashele
- Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein 9301, Free State, South Africa; Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein 9301, Free State, South Africa
| | - Shasank S Swain
- Division of Microbiology & NCDs, ICMR-Regional Medical Research Centre, 751023 Odisha, India
| | - Tshepiso J Makhafola
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein 9301, Free State, South Africa
| | - Polo-Ma-Abiele H Mfengwana
- Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein 9301, Free State, South Africa; Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein 9301, Free State, South Africa
| | - Chika I Chukwuma
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein 9301, Free State, South Africa.
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Ujah G, Emmanuel IB, Ansa F, Ukoh A, Ani EJ, Osim EE. Insulin and Zinc Co-Administration Ameliorate Diabetes Mellitus-Induced Reproductive Dysfunction in Male Rats. Niger J Physiol Sci 2022; 37:49-58. [PMID: 35947835 DOI: 10.54548/njps.v37i1.7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2022] [Accepted: 07/19/2022] [Indexed: 06/15/2023]
Abstract
Impaired male reproductive function is a major complication associated with diabetes mellitus (DM). Whether or not insulin, when co-administered with zinc will reverse or ameliorate reproductive dysfunction in male diabetics is not known. This study thus sought to establish if co-administration of insulin and zinc reverses or ameliorates male reproductive dysfunction in DM better than either insulin or zinc. Five (5) normal and twenty (20) diabetic sexually mature rats were assigned into five groups of five animals each. Group A consisted of normal rats and had access to only food and water. Group B consisted of diabetic animals with no treatment and served as DM control. Groups C and D consisted of diabetic animals and received insulin and zinc respectively. Group E consisted of diabetic animals and received both insulin and zinc. All diabetic animals had free access to food and water. Insulin in all cases was given subcutaneously twice daily in the morning and evening at 1 unit and 4 units respectively. Zinc (10mg/kg) was given orally once daily. Treatments in all cases commenced two weeks after DM was confirmed. The treatment lasted ten days. Samples were thereafter collected for analyses. DM decreased sperm count, sperm motility, sperm viability, normal sperm cells, semen pH, serum follicle stimulating hormone (FSH), luteinizing hormone (LH) and testosterone, while increasing sperm cells with defective tails. DM also impaired testicular morphology. Insulin and zinc co-administration improved sperm viability, sertoli cell count, Johnsen's score, serum FSH, LH and testosterone. Co-administration also improved semen pH towards normal. Insulin or zinc ameliorated several aspects of DM-induced male sexual dysfunction. However, the co-administration of insulin and zinc provided better results.
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Affiliation(s)
- G Ujah
- University of Calabar, Calabar.
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11
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Oke IM, Ramorobi LM, Mashele SS, Bonnet SL, Makhafola TJ, Eze KC, Noreljaleel AEM, Chukwuma CI. Vanillic acid-Zn(II) complex: a novel complex with antihyperglycaemic and anti-oxidative activity. J Pharm Pharmacol 2021; 73:1703-1714. [PMID: 34109975 DOI: 10.1093/jpp/rgab086] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/29/2020] [Accepted: 05/15/2021] [Indexed: 11/12/2022]
Abstract
OBJECTIVES Our aim was to synthesize, characterize and evaluate the antihyperglycaemic and anti-oxidative properties of a new Zn(II) complex of vanillic acid. METHODS The complex was synthesized using ZnSO4.7H2O and vanillic acid as precursors. NMR and FTIR techniques were used to characterize the synthesized complex. The cytotoxicity of the complex was measured. The antihyperglycemic and anti-oxidative properties of the complex were evaluated using in vitro, cell-based and ex vivo models and compared with those of its precursors. KEY FINDINGS Zn(II) coordinated with vanillic acid via a Zn(O6) coordination, with the complex having three moieties of vanillic acid. The radical scavenging, Fe3+ reducing and hepatic antilipid peroxidative activity of the complex were, respectively, 2.3-, 1.8- and 9.7-folds more potent than vanillic acid. Complexation increased the α-glucosidase and glycation inhibitory activity of vanillic acid by 3- and 2.6-folds, respectively. Zn(II) conferred potent L-6 myotube (EC50 = 20.4 μm) and muscle tissue (EC50 = 612 μm) glucose uptake effects on vanillic acid. Cytotoxicity evaluation showed that the complex did not reduce the viability of L-6 myotubes and Chang liver cells. CONCLUSIONS The data suggest that Zn(II)-vanillic acid complex had improved bioactivity relative to vanillic acid. Thus, Zn(II) may be further studied as an antihyperglycaemic and anti-oxidative adjuvant for bioactive phenolic acids.
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Affiliation(s)
- Ifedolapo M Oke
- Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
| | - Limpho M Ramorobi
- Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
| | - Samson S Mashele
- Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
| | - Susanna L Bonnet
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, South Africa
| | - Tshepiso J Makhafola
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
| | - Kenneth C Eze
- Faculty of Medicine, Nnamdi Azikiwe University, Awka (Nnewi Campus), Anambra State, Nigeria
| | - Anwar E M Noreljaleel
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, South Africa
| | - Chika I Chukwuma
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, Free State, South Africa
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12
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Yao X, Liu R, Li X, Li Y, Zhang Z, Huang S, Ge Y, Chen X, Yang X. Zinc, selenium and chromium co-supplementation improves insulin resistance by preventing hepatic endoplasmic reticulum stress in diet-induced gestational diabetes rats. J Nutr Biochem 2021; 96:108810. [PMID: 34192590 DOI: 10.1016/j.jnutbio.2021.108810] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 03/28/2021] [Accepted: 06/08/2021] [Indexed: 02/05/2023]
Abstract
Gestational diabetes mellitus (GDM) is one of the most common pregnancy complications and results in adverse outcomes for pregnant women and their offspring. Endoplasmic reticulum (ER) stress is associated with insulin resistance and implicates in the development of GDM. Zinc, selenium and chromium have been shown to maintain glucose homeostasis via multiple mechanisms, but how these trace elements affect the insulin resistance and ER stress in GDM are largely unknown. To address this, a GDM rat model was induced by feeding female Sprague-Dawley rats a high-fat (45%) and sucrose diet, while zinc (10 mg/kg.bw), selenium (20 ug/kg.bw), chromium (20 ug/kg.bw) were daily supplemented alone or in combination from 6 weeks before mating to the end of lactation period. Maternal metabolic parameters, hepatic ER stress and insulin signaling were analyzed. The results showed that zinc, selenium and chromium co-supplementation dramatically alleviated high-fat and sucrose-induced glucose intolerance and oxidative stress during entire experiment period. Hepatic ER stress as well as the unfolded protein response was activated in GDM dams, characterized by the up-regulation of glucose-regulated protein 78, phosphorylated the protein kinase RNA-like endoplasmic reticulum kinase, and the inositol-requiring enzyme 1α. Zinc, selenium and chromium supplementation significantly prevented this activation, by which contributes to the promotion of the phosphorylated protein kinase B related insulin signaling and maintenance of glucose homeostasis. In conclusion, zinc, selenium and chromium supplementation may be a promising way to prevent the development of GDM by alleviating hepatic ER stress.
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Affiliation(s)
- Xueqiong Yao
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Rui Liu
- Department of Public Health and Preventive Medicine, School of Medicine, Jianghan University, Wuhan, Hubei, China
| | - Xiu Li
- Hospital of Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yan Li
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Zhen Zhang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Shanshan Huang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Yanyan Ge
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiuzhi Chen
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xuefeng Yang
- Department of Nutrition and Food Hygiene, Hubei Key Laboratory of Food Nutrition and Safety, Ministry of Education Key Laboratory of Environment, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
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13
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Bayrak BB, Yilmaz S, Hacihasanoglu Cakmak N, Yanardag R. The effects of edaravone, a free-radical scavenger in lung injury induced by valproic acid demonstrated via different biochemical parameters. J Biochem Mol Toxicol 2021; 35:e22847. [PMID: 34309930 DOI: 10.1002/jbt.22847] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 06/03/2021] [Accepted: 07/12/2021] [Indexed: 01/15/2023]
Abstract
In this study, we aimed to evaluate whether edaravone (EDA) has a protective role against valproic acid (VPA)-induced lung damage via its antioxidative activity. Male Sprague-Dawley rats were split into four groups. Control (n = 8) rats; rats given EDA (30 mg kg-1 day-1 ; n = 10); rats given only (VPA, 500 mg kg-1 day-1 ; n = 10); rats given VPA + EDA (in the same dose and time) for 7 days. EDA and VPA were applied intraperitoneally. After 8 days, lung tissues were immediately taken from the rats. In lung homogenates, reduced glutathione, total antioxidant status levels, and superoxide dismutase, glutathione peroxidase, sodium/potassium ATPase, paraoxonase1, and carbonic anhydrase activities significantly abated, whereas catalase, glutathione reductase, glutathione-S-transferase activities insignificantly decreased in the VPA-treated group. In contrast, lipid peroxidation, reactive oxygen species, and total oxidant status levels, glycoprotein and protein carbonyl contents, nitric oxide, hydroxyproline levels, and xanthine oxidase, lactate dehydrogenase, arginase, and prolidase activities significantly increased in the VPA-given group. Administration of EDA caused the reverse effects. As a consequence, EDA prevented oxidative stress-mediated lung injury via its robust antioxidant effects.
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Affiliation(s)
- Bertan B Bayrak
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Avcilar-Istanbul, Turkey
| | - Sebahat Yilmaz
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Avcilar-Istanbul, Turkey
| | - Neziha Hacihasanoglu Cakmak
- Pharmacy Services, Vocational School of Health Services, Istanbul Medipol University, Beykoz-Istanbul, Turkey
| | - Refiye Yanardag
- Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Avcilar-Istanbul, Turkey
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14
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Abstract
Evidence for the importance of zinc for all immune cells and for mounting an efficient and balanced immune response to various environmental stressors has been accumulating in recent years. This article describes the role of zinc in fundamental biological processes and summarizes our current knowledge of zinc's effect on hematopoiesis, including differentiation into immune cell subtypes. In addition, the important role of zinc during activation and function of immune cells is detailed and associated with the specific immune responses to bacteria, parasites, and viruses. The association of zinc with autoimmune reactions and cancers as diseases with increased or decreased immune responses is also discussed. This article provides a broad overview of the manifold roles that zinc, or its deficiency, plays in physiology and during various diseases. Consequently, we discuss why zinc supplementation should be considered, especially for people at risk of deficiency. Expected final online publication date for the Annual Review of Nutrition, Volume 41 is September 2021. Please see http://www.annualreviews.org/page/journal/pubdates for revised estimates.
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Affiliation(s)
- Inga Wessels
- Institute of Immunology, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany;
| | | | - Lothar Rink
- Institute of Immunology, Faculty of Medicine, RWTH Aachen University, 52074 Aachen, Germany;
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15
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Bayrak BB, Tunali S, Bal-Demirci T, Ulkuseven B, Yanardag R. Glycoprotein levels and oxidative lung injury in experimental diabetes: effect of oxovanadium(IV) complex based on thiosemicarbazone. Toxicol Mech Methods 2021; 31:581-588. [PMID: 34240667 DOI: 10.1080/15376516.2021.1941462] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
Diabetes mellitus (DM) is chronic and metabolic disorder, which is mainly attributed by hyperglycemia. Vanadium salts and their oxo-complexes have been shown to possess insulin-mimetic and anti-diabetic activities in animal models and diabetic patients. The main goal of this study was to investigate the protective effect of oxovanadium(IV) complex based on thiosemicarbazone (VOL) [L: (N(1)-2,4-dihydroxybenzylidene-N-(4)-2-hydroxybenzylidene-S-methyl-isothiosemicarbazidato-oxovanadium(IV)] on glycoprotein components levels and oxidative lung injury of streptozotocin (STZ)-induced diabetic rats. Male Swiss albino rats were separated into four groups. Group I (n = 5): Control (normal) animals, Group II (n = 5): Control animals administered with VOL, Group III (n = 6): STZ-induced diabetic animals, and Group IV (n = 5): STZ-induced diabetic rats treated with VOL. VOL was given to the experimental animals by gavage at a dose of 0.2 mM/kg body weight every day for 12 days. Diabetes was induced by single intraperitoneal injection of STZ (65 mg/kg body weight). On the 12th day, lung tissue samples were taken. Glycoprotein components, advanced oxidation protein products, protein carbonyl, hydroxyproline levels, and prolidase, arginase, xanthine oxidase, catalase, superoxide dismutase, glutathione peroxidase, glutathione reductase, glutathione-S-transferase and adenosine deaminase activities significantly increased whereas aryl esterase, paraoxonase-1, carbonic anhydrase, Na+/K+-ATPase activities remarkably decreased in lung tissue of diabetic rats. Treatment with VOL reversed these effects showing a beneficial effect. The present study shows that VOL has a protective effect against diabetes-induced lung damage as well as on abnormal glycoprotein component levels.
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Affiliation(s)
- Bertan Boran Bayrak
- Department of Chemistry, Division of Biochemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Istanbul, Turkey
| | - Sevim Tunali
- Department of Chemistry, Division of Biochemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Istanbul, Turkey
| | - Tulay Bal-Demirci
- Department of Chemistry, Division of Inorganic Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Istanbul, Turkey
| | - Bahri Ulkuseven
- Department of Chemistry, Division of Inorganic Chemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Istanbul, Turkey
| | - Refiye Yanardag
- Department of Chemistry, Division of Biochemistry, Faculty of Engineering, Istanbul University-Cerrahpaşa, Istanbul, Turkey
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16
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Turkyilmaz IB, Bayrak BB, Sacan O, Mutlu O, Akev N, Yanardag R. Zinc Supplementation Restores Altered Biochemical Parameters in Stomach Tissue of STZ Diabetic Rats. Biol Trace Elem Res 2021; 199:2259-2265. [PMID: 32820429 DOI: 10.1007/s12011-020-02352-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Accepted: 08/17/2020] [Indexed: 12/13/2022]
Abstract
The stomach is among the organs grossly affected organ by diabetic complications. The present study was aimed at investigating the protective role of zinc on stomach of streptozotocin (STZ)-induced diabetes mellitus. Female Swiss albino rats were divided in four experimental groups: Group I, control; group II, control + zinc sulfate; group III, STZ-induced diabetic animals; and group IV, STZ-diabetic + zinc sulfate. Diabetes was induced by intraperitoneal injection of STZ, at a dose of 65 mg/kg body weight. Zinc sulfate (100 mg/kg body weight) was given daily by gavage for 60 days to groups II and IV. At the end of the experiment, the rats were sacrificed, and the tissues were taken. In the diabetic group, hexose, hexosamine, fucose, and sialic acid levels, as well as tissue factor, adenosine deaminase, carbonic anhydrase, xanthine oxidase, lactate dehydrogenase, prolidase activities, advanced oxidized protein products, homocysteine, and TNF-α levels were increased in the stomach tissue homogenates. Whereas, catalase, superoxide dismutase, glutathione-S-transferase, glutathione peroxidase, glutathione reductase, paraoxonase, and aryl esterase activities were decreased in the diabetic group. The administration of zinc reversed all the deformities. These findings suggest that zinc has protective role in ameliorating several mechanisms of STZ-induced diabetic stomach injury.
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Affiliation(s)
- Ismet Burcu Turkyilmaz
- Department of Chemistry, Faculty of Engineering, Biochemistry Division, Istanbul University-Cerrahpasa, Avcilar, 34320, Istanbul, Turkey.
| | - Bertan Boran Bayrak
- Department of Chemistry, Faculty of Engineering, Biochemistry Division, Istanbul University-Cerrahpasa, Avcilar, 34320, Istanbul, Turkey
| | - Ozlem Sacan
- Department of Chemistry, Faculty of Engineering, Biochemistry Division, Istanbul University-Cerrahpasa, Avcilar, 34320, Istanbul, Turkey
| | - Ozgur Mutlu
- Department of Chemistry, Faculty of Engineering, Biochemistry Division, Istanbul University-Cerrahpasa, Avcilar, 34320, Istanbul, Turkey
| | - Nuriye Akev
- Department of Biochemistry, Faculty of Pharmacy, Istanbul University, 34116, Istanbul, Turkey
| | - Refiye Yanardag
- Department of Chemistry, Faculty of Engineering, Biochemistry Division, Istanbul University-Cerrahpasa, Avcilar, 34320, Istanbul, Turkey
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17
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Abstract
Since the discovery of manifest Zn deficiency in 1961, the increasing number of studies demonstrated the association between altered Zn status and multiple diseases. In this chapter, we provide a review of the most recent advances on the role of Zn in health and disease (2010-20), with a special focus on the role of Zn in neurodegenerative and neurodevelopmental disorders, diabetes and obesity, male and female reproduction, as well as COVID-19. In parallel with the revealed tight association between ASD risk and severity and Zn status, the particular mechanisms linking Zn2+ and ASD pathogenesis like modulation of synaptic plasticity through ProSAP/Shank scaffold, neurotransmitter metabolism, and gut microbiota, have been elucidated. The increasing body of data indicate the potential involvement of Zn2+ metabolism in neurodegeneration. Systemic Zn levels in Alzheimer's and Parkinson's disease were found to be reduced, whereas its sequestration in brain may result in modulation of amyloid β and α-synuclein processing with subsequent toxic effects. Zn2+ was shown to possess adipotropic effects through the role of zinc transporters, zinc finger proteins, and Zn-α2-glycoprotein in adipose tissue physiology, underlying its particular role in pathogenesis of obesity and diabetes mellitus type 2. Recent findings also contribute to further understanding of the role of Zn2+ in spermatogenesis and sperm functioning, as well as oocyte development and fertilization. Finally, Zn2+ was shown to be the potential adjuvant therapy in management of novel coronavirus infection (COVID-19), underlining the perspectives of zinc in management of old and new threats.
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Affiliation(s)
- Anatoly V Skalny
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Yaroslavl State University, Yaroslavl, Russia
| | - Michael Aschner
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Department of Molecular Pharmacology, Albert Einstein College of Medicine, Bronx, NY, United States
| | - Alexey A Tinkov
- IM Sechenov First Moscow State Medical University (Sechenov University), Moscow, Russia; Yaroslavl State University, Yaroslavl, Russia.
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18
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Tshane LSL, Mashele SS, Matowane GR, Bonnet SL, Makhafola TJ, Noreljaleel AEM, Swain SS, Sekhoacha M, Chukwuma CI. Zinc(II) mineral increased the in vitro, cellular and ex vivo antihyperglycemic and antioxidative pharmacological profile of p-hydroxybenzoic acid upon complexation. J Food Biochem 2021; 45:e13609. [PMID: 33458829 DOI: 10.1111/jfbc.13609] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Revised: 12/13/2020] [Accepted: 12/28/2020] [Indexed: 01/13/2023]
Abstract
In this study, zinc was complexed with p-hydroxybenzoic acid to synthesize a complex with improved pharmacological profile. Proton NMR and FTIR analysis were used to characterize the complex. Several in vitro, cellular and ex vivo antihyperglycemic and antioxidative assays were used to evaluate the potency of the complex, relative to its precursors, while molecular docking was used to investigate interactions with insulin signaling targets (GLUT-4 and PKB). Also, the cytotoxicity of the complex was evaluated in Chang liver cells and L-6 myotubes using MTT assay. Complexation was through a Zn(O4 ) coordination. This afforded the complex two moieties of p-hydroxybenzoic acid, which influenced its activities. While the complex retained the α-glucosidase and α-amylase inhibitory activity of its phenolic acid precursor, complexation increased in vitro and ex vivo antioxidant activity of the phenolic acid by 1.4 to 10.5-folds. Complexation, further, conferred a potent antiglycation activity and L-6 myotube and psoas muscle glucose uptake properties (2.1 to 3.5-folds more than p-hydroxybenzoic acid) on the phenolic acid, without notably inhibiting or reducing the viability of Chang liver cells (IC50 = 5,120 μM) and L-6 myotubes (IC50 = 2,172 μM). Docking studies showed the complex had better interactions with insulin signaling targets (GLUT-4 and PKB) than p-hydrobenzoic acid, which may influence its glucose uptake effects. Data suggest that Zn(II) complexation improved and/or broadened the pharmacological profile of p-hydroxybenzoic acid, thus, may be further studied as a promising adjuvant for phenolic acids. PRACTICAL APPLICATIONS: Most antidiabetic drugs are used as two or more combinations to achieve better efficacy, which may cause drug interaction and increase the risk of side effects associated with these drugs. This study takes advantage of the glycemic control property of zinc and the antioxidant and/or diabetes-related pharmacological properties of p-hydroxybenzoic acid to form a complex with improved and broader antioxidant and antihyperglycemic profile and minimal toxicity concerns. With appropriate further studies, Zn(II)-phenolic acid complexes may be safe nutraceuticals for diabetes and related oxidative complications.
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Affiliation(s)
- Lindah S L Tshane
- Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, South Africa
| | - Samson S Mashele
- Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, South Africa
| | - Godfrey R Matowane
- Department of Health Sciences, Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, South Africa
| | - Susanna L Bonnet
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, South Africa
| | - Tshepiso J Makhafola
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, South Africa
| | - Anwar E M Noreljaleel
- Department of Chemistry, Faculty of Natural and Agricultural Sciences, University of the Free State, Bloemfontein, South Africa
| | - Shasank S Swain
- Division of Microbiology and NCDs, ICMR-Regional Medical Research Centre, Bhubaneswar, India
| | - Mamello Sekhoacha
- Department of Pharmacology, Faculty of Health Sciences, University of the Free State, Bloemfontein, South Africa
| | - Chika I Chukwuma
- Centre for Quality of Health and Living (CQHL), Faculty of Health and Environmental Sciences, Central University of Technology, Bloemfontein, South Africa
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19
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Famurewa AC, Edeogu CO, Offor FI, Besong EE, Akunna GG, Maduagwuna EK. Downregulation of redox imbalance and iNOS/NF-ĸB/caspase-3 signalling with zinc supplementation prevents urotoxicity of cyclophosphamide-induced hemorrhagic cystitis in rats. Life Sci 2020; 266:118913. [PMID: 33333050 DOI: 10.1016/j.lfs.2020.118913] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/02/2020] [Accepted: 12/10/2020] [Indexed: 12/23/2022]
Abstract
AIM Cyclophosphamide (CYP) chemotherapy induces bladder toxicity and hemorrhagic cystitis in cancer patients constituting a current clinical concern. Oxidative inflammatory cascades have been implicated as the mechanism contributing to CYP bladder urotoxicity. We thus assayed to explore whether zinc (Zn) supplementation could mitigate CYP-induced urotoxicity and evaluate the possible underlying mechanism in rats. MAIN METHOD Rats were orally administered Zn (100 mg/kg b.w./day) for 10 days against urotoxicity induced by single injection of CYP (150 mg/kg b.w., ip) on day 7. KEY FINDINGS CYP significantly depressed bladder activities of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) and reduced glutathione (GSH) levels, whereas malondialdehyde level was increased prominently. In addition, CYP induced marked increases in the levels of tumor necrosis factor-α (TNF-α), interleukin-1β (IL-1β), interleukin-6 (IL-6), and nitric oxide (NO) confirmed by histological alterations. CYP prominently increased bladder inducible nitric oxide synthase (iNOS) activity, nuclear factor-kappa B (NF-ĸB) and expression of caspase-3 protein. Zinc supplementation considerably abrogated the bladder urotoxicity by restoring redox balance, proinflammatory and apoptotic cascades and alleviated histopathological changes. SIGNIFICANCE This is the first to reveal zinc potential to prevent CYP-induced urotoxic hemorrhagic cystitis via restoring redox balance and enhancing anti-inflammatory and antiapoptotic mechanisms in rat bladder.
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Affiliation(s)
- Ademola C Famurewa
- Department of Medical Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, Alex-Ekwueme Federal University, Ndufu-Alike, Ikwo, Ebonyi State, Nigeria.
| | - C O Edeogu
- Department of Medical Biochemistry, Faculty of Basic Medicine, Ebonyi State University, Abakaliki, Nigeria
| | - Florence I Offor
- Department of Medical Laboratory Sciences, Faculty of Health Sciences and Technology, Ebonyi State University, Abakaliki, Ebonyi State, Nigeria
| | - Elizabeth E Besong
- Department of Physiology, Faculty of Basic Medicine, Ebonyi State University, Abakaliki, Nigeria
| | - Gabriel G Akunna
- Department of Anatomy, College of Medicine and Health Sciences, Bowen University, Iwo, Osun State, Nigeria
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20
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Barman S, Srinivasan K. Diabetes and zinc dyshomeostasis: Can zinc supplementation mitigate diabetic complications? Crit Rev Food Sci Nutr 2020; 62:1046-1061. [PMID: 33938330 DOI: 10.1080/10408398.2020.1833178] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Zinc present in the islet cells of the pancreas is crucial for the synthesis, storage, and secretion of insulin. The excretion of large amounts of zinc from the body is reported in diabetic situations. Zinc depletion and increased oxidative stress have a major impact on the pathogenesis of diabetic complications. It would be most relevant to ascertain if intervention with supplemental zinc compensating for its depletion would beneficially mitigate hyperglycemia and the attendant metabolic abnormalities, and secondary complications in diabetes. An exhaustive literature search on this issue indicates: (1) Concurrent hypozincemia and decreased tissue zinc stores in diabetes as a result of its increased urinary excretion and/or decreased intestinal absorption, (2) Several recent experimental studies have documented that supplemental zinc has a potential hypoglycemic effect in the diabetic situation, and also beneficially modulate the attendant metabolic abnormalities and compromised antioxidant status, and (3) Supplemental zinc also alleviates renal lesions, cataract and the risk of cardiovascular disease accompanying diabetes mellitus, and help restore gastrointestinal health in experimental diabetes. These studies have also attempted to identify the precise mechanisms responsible for zinc-mediated beneficial effects in diabetic situation. The evidence discussed in this review highlights that supplemental zinc may significantly contribute to its clinical application in the management of diabetic hyperglycemia and related metabolic abnormalities, and in the alleviation of secondary complications resulting from diabetic oxidative stress.
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Affiliation(s)
- Susmita Barman
- Department of Biochemistry, CSIR - Central Food Technological Research Institute, Mysore, India
| | - Krishnapura Srinivasan
- Department of Biochemistry, CSIR - Central Food Technological Research Institute, Mysore, India
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21
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Sacan O, Turkyilmaz IB, Bayrak BB, Mutlu O, Akev N, Yanardag R. Protective role of zinc in liver damage in experimental diabetes demonstrated via different biochemical parameters. J Biochem Mol Toxicol 2020; 35:e22617. [PMID: 32864810 DOI: 10.1002/jbt.22617] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 08/10/2020] [Accepted: 08/15/2020] [Indexed: 12/25/2022]
Abstract
Diabetes mellitus is a serious worldwide metabolic disease, which is accompanied by hyperglycaemia and affects all organs and body system. Zinc (Zn) is a basic cofactor for many enzymes, which also plays an important role in stabilising the structure of insulin. Liver is the most important target organ after pancreas in diabetic complications. In this study, we aimed to investigate the protective role of Zn in liver damage in streptozotocin (STZ)-induced diabetes mellitus. There are four experimental groups of female Swiss albino rats: group I: control; group II: control + ZnSO4 ; group III: STZ-induced diabetic animals and group IV: STZ-diabetic + ZnSO4 . To induce diabetes, STZ was injected intraperitoneally (65 mg/kg). ZnSO4 (100 mg/kg) was given daily to groups II and IV by gavage for 60 days. At the end of the experiment, rats were killed under anaesthesia and liver tissues were collected. In the diabetic group, hexose, hexosamine, fucose, sialic acid levels, arginase, adenosine deaminase, tissue factor activities and protein carbonyl levels increased, whereas catalase, superoxide dismutase, glutathione-S-transferase, glutathione peroxidase, glutathione reductase and Na+ /K+ -ATPase activities decreased. The administration of Zn to the diabetic group reversed all the negative effects/activities. According to these results, we can suggest that Zn has a protective role against STZ-induced diabetic liver damage.
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Affiliation(s)
- Ozlem Sacan
- Division of Biochemistry, Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Ismet Burcu Turkyilmaz
- Division of Biochemistry, Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Bertan Boran Bayrak
- Division of Biochemistry, Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Ozgur Mutlu
- Division of Biochemistry, Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Istanbul, Turkey
| | - Nuriye Akev
- Department of Biochemistry, Faculty of Pharmacy, Istanbul University, Istanbul, Turkey
| | - Refiye Yanardag
- Division of Biochemistry, Department of Chemistry, Faculty of Engineering, Istanbul University-Cerrahpasa, Istanbul, Turkey
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22
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Lin X, Meng T, Yang T, Xu X, Zhao Y, Wu X. Circadian zinc feeding regime in laying hens related to laying performance, oxidation status, and interaction of zinc and calcium. Poult Sci 2020; 99:6783-6796. [PMID: 33248594 PMCID: PMC7704742 DOI: 10.1016/j.psj.2020.06.086] [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: 02/15/2020] [Revised: 04/24/2020] [Accepted: 06/16/2020] [Indexed: 12/03/2022] Open
Abstract
This study investigated that circadian zinc (Zn) feeding regime affected laying performance, Zn and calcium (Ca) status, antioxidant capacity and gene expression of circadian clock, and Ca and Zn transporter in laying hens. In total, 162 of 21-wk Hyline Sophie laying hens were assigned randomly into 3 groups including CON group (Control Zn, basal diets supplemented 60 mg/kg Zn), HL group (high-low Zn, basal diets supplemented 120 mg/kg Zn—basal diets), and LH group (low-high Zn, basal diets—basal diets supplemented 120 mg/kg Zn), which were fed at 0,530 h and 1,530 h, respectively. Blood, tibia, duodenum, and eggshell gland samples were collected at 8 h intervals with starting at 0,000 h in 1 d after 10 wk of experiment. Compared with CON group: 1) Feed conversion ratio (FCR) of LH and HL group decreased significantly (P < 0.05); 2) in serum, total antioxidant capacity and CuZn-superoxide dismutase (SOD) at 0,000 h increased significantly, as well as Ca and Zn concentration of tibia at 0,800 h in LH group (P < 0.05); 3) in duodenum, mRNA expression of calbindin-d28k (CaBP) and NCX1 at 1,600 h in HL group upregulated significantly, as well as Per2 and Per3 at 0,000 h, CLOCK, Cry2, Per2, and Per3 at 1,600 h (P < 0.05). But, Zn5 at 0,800 h in HL group downregulated significantly (P < 0.05). 4) In eggshell gland, the mRNA expression of CaBP at 0,000 h and Zn5 at 1,600 h in HL group downregulated significantly (P < 0.05). However, SOD at 1,600 h in HL group upregulated significantly, as well as Cry1 and Per3 at 0,800 h in HL group upregulated significantly (P < 0.05). In conclusion, circadian Zn feeding diet regime was beneficial to improvement of FCR. The regulation of laying hens' circadian rhythms affected Zn and Ca transporter and interrelationship between Ca and Zn metabolism, also altered antioxidant capacity in present study. Therefore, circadian Zn feeding regime can be considered as a new method to improve laying performance in laying hens.
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Affiliation(s)
- Xue Lin
- Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125, China
| | - Tiantian Meng
- Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125, China
| | - Ting Yang
- Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China
| | - Xiang Xu
- Guangzhou Tanke Bio-tech Co., Ltd., Guangzhou, Guangdong 510528, China
| | - Yurong Zhao
- Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China.
| | - Xin Wu
- Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, Hunan Agricultural University, Changsha 410128, China; CAS Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha, Hunan 410125, China.
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23
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Naseri R, Navabi SJ, Samimi Z, Mishra AP, Nigam M, Chandra H, Olatunde A, Tijjani H, Morais-Urano RP, Farzaei MH. Targeting Glycoproteins as a therapeutic strategy for diabetes mellitus and its complications. Daru 2020; 28:333-358. [PMID: 32006343 PMCID: PMC7095136 DOI: 10.1007/s40199-020-00327-y] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 01/10/2020] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVES Glycoproteins are organic compounds formed from proteins and carbohydrates, which are found in many parts of the living systems including the cell membranes. Furthermore, impaired metabolism of glycoprotein components plays the main role in the pathogenesis of diabetes mellitus. The aim of this study is to investigate the influence of glycoprotein levels in the treatment of diabetes mellitus. METHODS All relevant papers in the English language were compiled by searching electronic databases, including Scopus, PubMed and Cochrane library. The keywords of glycoprotein, diabetes mellitus, glycan, glycosylation, and inhibitor were searched until January 2019. RESULTS Glycoproteins are pivotal elements in the regulation of cell proliferation, growth, maturation and signaling pathways. Moreover, they are involved in drug binding, drug transportation, efflux of chemicals and stability of therapeutic proteins. These functions, structure, composition, linkages, biosynthesis, significance and biological effects are discussed as related to their use as a therapeutic strategy for the treatment of diabetes mellitus and its complications. CONCLUSIONS The findings revealed several chemical and natural compounds have significant beneficial effects on glycoprotein metabolism. The comprehension of glycoprotein structure and functions are very essential and inevitable to enhance the knowledge of glycoengineering for glycoprotein-based therapeutics as may be required for the treatment of diabetes mellitus and its associated complications. Graphical abstract.
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Affiliation(s)
- Rozita Naseri
- Internal Medicine Department, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Seyed Jafar Navabi
- Internal Medicine Department, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Zeinab Samimi
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Abhay Prakash Mishra
- Department of Pharmaceutical Chemistry, Hemwati Nandan Bahuguna Garhwal (A Central) University, Srinagar Garhwal, Uttarakhand, 246174, India.
| | - Manisha Nigam
- Department of Biochemistry, Hemwati Nandan Bahuguna Garhwal University, Srinagar Garhwal, Uttarakhand, 246174, India
| | - Harish Chandra
- Department of Microbiology, Gurukul Kangri Vishwavidhyalya, Haridwar, Uttarakhand, 249404, India
| | - Ahmed Olatunde
- Department of Biochemistry, Abubakar Tafawa Balewa University, Bauchi, Nigeria
| | - Habibu Tijjani
- Natural Product Research Laboratory, Department of Biochemistry, Bauchi State University, Gadau, Nigeria
| | - Raquel P Morais-Urano
- Instituto de Química de São Carlos, Universidade de São Paulo, 13560-970, São Carlos, SP, Brasil
| | - Mohammad Hosein Farzaei
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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24
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Famurewa AC, Ekeleme-Egedigwe CA, David EE, Eleazu CO, Folawiyo AM, Obasi NA. Zinc abrogates anticancer drug tamoxifen-induced hepatotoxicity by suppressing redox imbalance, NO/iNOS/NF-ĸB signaling, and caspase-3-dependent apoptosis in female rats. Toxicol Mech Methods 2020; 30:115-123. [PMID: 31532279 DOI: 10.1080/15376516.2019.1669243] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Tamoxifen (TAM) is used in breast cancer chemotherapy since its approval by the Food and Drug Administration in 1977. However, TAM therapy is accompanied with hepatotoxicity - a source of worry to clinicians. Oxidative stress and inflammation are the major implicated mechanisms contributing to TAM hepatotoxicity. In this study, we explored whether zinc (Zn) supplementation could prevent TAM-induced hepatotoxicity in female Wistar rats. Rats were subjected to oral pretreatment of Zn (100 mg/kg body weight (b.w.)/day) for 14 days against hepatic toxicity induced by single intraperitoneal administration of TAM (50 mg/kg b.w.) on day 13. TAM markedly elevated serum liver enzymes, whereas total protein and albumin considerably reduced. TAM caused prominent depletion of hepatic-reduced glutathione (GSH), superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx) activity. Also, TAM significantly increased malondialdehyde (MDA) level. Further, it raised liver levels of tumor necrosis factor-α (TNF-α), interleukin-1β, (IL-1β), interleukin-6 (IL-6), and nitric oxide (NO) confirmed by the liver histopathological alterations. The mechanistic inflammatory expression of inducible nitric oxide synthase (iNOS) and nuclear factor-kappa B (NF-ĸB), and expression of caspase-3 protein prominently increased. Zinc supplementation significantly modulated serum liver function markers, antioxidant enzymes, and GSH and MDA levels. Zinc downregulated the expression of cytokines, NO, iNOS, NF-ĸB and caspase-3, and ameliorated histopathological changes. Zinc protects against TAM-induced hepatotoxicity; it may serve as an adjuvant supplement for female patients undergoing TAM chemotherapy.
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Affiliation(s)
- Ademola C Famurewa
- Department of Medical Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, Alex Ekwueme Federal University, Ikwo, Nigeria
- Biochemistry Division, Amala Cancer Research Centre, Amala Institute of Medical Sciences, Thrissur, India
| | - Chima A Ekeleme-Egedigwe
- Department of Chemistry/Biochemistry and Molecular Biology, Faculty of Science, Alex-Ekwueme Federal University, Ikwo, Nigeria
| | - Ebuka E David
- Department of Chemistry/Biochemistry and Molecular Biology, Faculty of Science, Alex-Ekwueme Federal University, Ikwo, Nigeria
| | - Chinedum O Eleazu
- Department of Chemistry/Biochemistry and Molecular Biology, Faculty of Science, Alex-Ekwueme Federal University, Ikwo, Nigeria
- Department of Physiology, School of Medical Sciences, Universiti Sains Malaysia, Kelantan, Malaysia
| | - Abiola M Folawiyo
- Department of Physiology, Faculty of Basic Medical Sciences, Ekiti State University, Ado-Ekiti, Nigeria
| | - Nwogo A Obasi
- Department of Medical Biochemistry, Faculty of Basic Medical Sciences, College of Medicine, Alex Ekwueme Federal University, Ikwo, Nigeria
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25
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Tunali S, Catal T, Bolkent S, Yanardag R. The effects of vitamins and selenium mixture against brain tissue induced byd‐galactosamine. J Biochem Mol Toxicol 2019; 33:e22347. [DOI: 10.1002/jbt.22347] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 01/18/2019] [Accepted: 04/08/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Sevim Tunali
- Department of Chemistry, Faculty of EngineeringIstanbul University‐Cerrahpasa Istanbul Turkey
| | - Tunc Catal
- Department of Molecular Biology and GeneticsUskudar University Istanbul Turkey
- Faculty of Engineering and Natural ScienceIstanbul Protein Research‐Application and Innovation Center (PROMER), Uskudar University Istanbul Turkey
| | - Sehnaz Bolkent
- Department of Biology, Faculty of ScienceIstanbul University Istanbul Turkey
| | - Refiye Yanardag
- Department of Chemistry, Faculty of EngineeringIstanbul University‐Cerrahpasa Istanbul Turkey
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26
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Wu X, Gao L, Zhou K, Li X, Lin X, Wan D, Xiong X, Liu G, Yin Y. Deposition and transport of trace mineral elements were affected by stocking density in fattening pigs. J Trace Elem Med Biol 2018; 50:566-571. [PMID: 30177400 DOI: 10.1016/j.jtemb.2018.04.007] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2018] [Revised: 03/24/2018] [Accepted: 04/09/2018] [Indexed: 02/06/2023]
Abstract
Trace minerals are important for balanced nutrition in pigs and to maintain pig growth under high stocking densities. To study the effects of stocking density on serum and liver trace mineral deposition in fattening pigs, 288 conventional pigs (Duroc × Landrace × Large) were selected and assigned to one of three groups: low, medium or high density (8, 16, or 24 pigs, respectively, per 5.2 m × 3.8 m pen). On d 30, one pig per pen was chosen, blood samples were taken, and the pigs were sacrificed; liver and intestinal mucosa samples were obtained from these pigs for trace mineral determination and RT-PCR. The results showed that compared with those of the low-density group, serum Fe, Zn, and Mn concentrations significantly decreased (P < 0.05), while liver Fe and Mn significantly increased in both the medium- and high-density groups (P < 0.05). mRNA expression of ATP7A, ATP7B, FRRS1, and SLC30A3 transporters was significantly upregulated in the liver of the medium-density group, and FRRS1 and SLC1A2 expression in the liver, MT-2b in the jejunal mucosa, and SLC11A2 (DMT1) and FRRS1 in the ileal mucosa were upregulated in the high-density group (P < 0.05). Alternatively, ATX1 expression in the jejunal mucosa of the medium-density group, SLC30A9 in the duodenal and jejunal mucosa, ATX1 in the jejunal mucosa, and MT-2b in the ileal mucosa of the high-density group were downregulated (P < 0.05). These results demonstrated that stocking density affected serum Fe, Zn, and Mn, as well as liver Fe and Mn. Stocking density also affected mRNA expression of trace mineral transporters in both the liver and intestinal mucosa of fattening pigs under the studied conditions.
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Affiliation(s)
- Xin Wu
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha, Hunan, 410125, China; Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China
| | - Lumin Gao
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha, Hunan, 410125, China; Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China
| | - Kai Zhou
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha, Hunan, 410125, China; Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China
| | - Xue Li
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha, Hunan, 410125, China; Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China
| | - Xue Lin
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha, Hunan, 410125, China; Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China
| | - Dan Wan
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha, Hunan, 410125, China
| | - Xia Xiong
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha, Hunan, 410125, China
| | - Gang Liu
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha, Hunan, 410125, China
| | - Yulong Yin
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, National Engineering Laboratory for Pollution Control and Waste Utilization in Livestock and Poultry Production, Scientific Observing and Experimental Station of Animal Nutrition and Feed Science in South-Central, Ministry of Agriculture, Hunan Provincial Engineering Research Center for Healthy Livestock and Poultry Production, Changsha, Hunan, 410125, China; Hunan Co-Innovation Center of Safety Animal Production, College of Animal Science and Technology, Hunan Agricultural University, Changsha, 410128, China.
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27
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Sujithra K, Srinivasan S, Indumathi D, Vinothkumar V. Allyl methyl sulfide, a garlic active component mitigates hyperglycemia by restoration of circulatory antioxidant status and attenuating glycoprotein components in streptozotocin-induced experimental rats. Toxicol Mech Methods 2018; 29:165-176. [DOI: 10.1080/15376516.2018.1534297] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Kathiroli Sujithra
- Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar, Tamilnadu, India
| | - Subramani Srinivasan
- Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar, Tamilnadu, India
- Postgraduate and Research Department of Biochemistry, Government Arts College For Women, Krishnagiri, Tamilnadu, India
| | - Dhananjayan Indumathi
- Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar, Tamilnadu, India
| | - Veerasamy Vinothkumar
- Department of Biochemistry and Biotechnology, Faculty of Science, Annamalai University, Annamalainagar, Tamilnadu, India
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28
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Dietary zinc reduces endoplasmic reticulum stress and autophagy to protect against diabetic renal damage in streptozotocin-induced diabetic rats. Int J Diabetes Dev Ctries 2018. [DOI: 10.1007/s13410-018-0681-7] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/28/2022] Open
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29
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Sun W, Yang J, Wang W, Hou J, Cheng Y, Fu Y, Xu Z, Cai L. The beneficial effects of Zn on Akt-mediated insulin and cell survival signaling pathways in diabetes. J Trace Elem Med Biol 2018; 46:117-127. [PMID: 29413101 DOI: 10.1016/j.jtemb.2017.12.005] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/01/2017] [Revised: 12/06/2017] [Accepted: 12/21/2017] [Indexed: 12/11/2022]
Abstract
Zinc is one of the essential trace elements and participates in numerous physiological processes. Abnormalities in zinc homeostasis often result in the pathogenesis of various chronic metabolic disorders, such as diabetes and its complications. Zinc has insulin-mimetic and anti-diabetic effects and deficiency has been shown to aggravate diabetes-induced oxidative stress and tissue injury in diabetic rodent models and human subjects with diabetes. Akt signaling pathway plays a central role in insulin-stimulated glucose metabolism and cell survival. Anti-diabetic effects of zinc are largely dependent on the activation of Akt signaling. Zn is also an inducer of metallothionein that plays important role in anti-oxidative stress and damage. However, the exact molecular mechanisms underlying zinc-induced activation of Akt signaling pathway remains to be elucidated. This review summarizes the recent advances in deciphering the possible mechanisms of zinc on Akt-mediated insulin and cell survival signaling pathways in diabetes conditions. Insights into the effects of zinc on epigenetic regulation and autophagy in diabetic nephropathy are also discussed in the latter part of this review.
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Affiliation(s)
- Weixia Sun
- Department of Nephrology, The First Hospital of Jilin University, Changchun, Jilin, 130021, China.
| | - Jiaxing Yang
- Department of Gastrointestinal Surgery, The First Hospital of Jilin University, Changchun, Jilin, 130021, China
| | - Wanning Wang
- Department of Nephrology, The First Hospital of Jilin University, Changchun, Jilin, 130021, China; Pediatric Research Institute, The Departments of Pediatrics, Radiation Oncology, Pharmacology and Toxicology, The University of Louisville, Louisville, KY 40202, USA
| | - Jie Hou
- Department of Nephrology, The First Hospital of Jilin University, Changchun, Jilin, 130021, China
| | - Yanli Cheng
- Department of Nephrology, The First Hospital of Jilin University, Changchun, Jilin, 130021, China
| | - Yaowen Fu
- Department of Nephrology, The First Hospital of Jilin University, Changchun, Jilin, 130021, China
| | - Zhonggao Xu
- Department of Nephrology, The First Hospital of Jilin University, Changchun, Jilin, 130021, China.
| | - Lu Cai
- Pediatric Research Institute, The Departments of Pediatrics, Radiation Oncology, Pharmacology and Toxicology, The University of Louisville, Louisville, KY 40202, USA
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30
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Moya C, Máñez S. Paraoxonases: metabolic role and pharmacological projection. Naunyn Schmiedebergs Arch Pharmacol 2018; 391:349-359. [PMID: 29404699 DOI: 10.1007/s00210-018-1473-9] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 01/23/2018] [Indexed: 12/19/2022]
Abstract
Atherosclerosis is one of the leading causes of death in Western countries, with high-density lipoproteins (HDL) playing an important protective role due to their ability to inhibit oxidation of low-density lipoproteins (LDL), thus relieving vascular subendothelial damage. One of the proteins constituting HDL particles is paraoxonase-1 (PON1), an enzyme able to hydrolyze aryl esters, lactones, and organophosphates. Other closely related paraoxonases are designated as PON2, which is a protein localized inside many different kinds of cells, and PON3, not only present in HDL but also in mitochondria and endoplasmic reticulum, as well. Given that the amount and the activity of PON1 in human serum are significantly lower in people suffering from cardiovascular diseases, enhancing both parameters might contribute to their treatment and prevention. One of the physiologically interesting substrates for the abovementioned hydrolytic cleavage is homocysteine thiolactone (HTL), an atherothrombotic active form of homocysteine. Although it was therefore postulated that PON1 would participate in preventing the HTL-mediated lipid peroxidation, some attention is recently paid to other enzymes, like biphenyl hydrolase-like protein, that seem to more selectively involved in lowering this risk factor. The aim of this paper is to elucidate the role of paraoxonases, especially PON1, by reviewing the latest studies in order to understand both its physiological role and modulation by drugs, nutrients, and plant extracts.
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Affiliation(s)
- Carlos Moya
- Departament de Farmacologia, Universitat de València, València, Spain
| | - Salvador Máñez
- Departament de Farmacologia, Universitat de València, València, Spain. .,Departament de Farmacologia. Universitat de València, Facultat de Farmàcia, Avinguda Vicent Andrés Estellés s/n, 46100 Burjassot, Spain.
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31
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Kheirouri S, Alizadeh M, Maleki V. Zinc against advanced glycation end products. Clin Exp Pharmacol Physiol 2018; 45:491-498. [DOI: 10.1111/1440-1681.12904] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2017] [Revised: 11/08/2017] [Accepted: 11/20/2017] [Indexed: 12/20/2022]
Affiliation(s)
- Sorayya Kheirouri
- Department of Nutrition; Tabriz University of Medical Sciences; Tabriz Iran
| | - Mohammad Alizadeh
- Department of Nutrition; Tabriz University of Medical Sciences; Tabriz Iran
| | - Vahid Maleki
- Department of Nutrition; Tabriz University of Medical Sciences; Tabriz Iran
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32
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Giacconi R, Cai L, Costarelli L, Cardelli M, Malavolta M, Piacenza F, Provinciali M. Implications of impaired zinc homeostasis in diabetic cardiomyopathy and nephropathy. Biofactors 2017; 43:770-784. [PMID: 28845600 DOI: 10.1002/biof.1386] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 07/12/2017] [Accepted: 07/27/2017] [Indexed: 12/18/2022]
Abstract
Impaired zinc homeostasis is observed in diabetes mellitus (DM2) and its complications. Zinc has a specific role in pancreatic β-cells via insulin synthesis, storage, and secretion. Intracellular zinc homeostasis is tightly controlled by zinc transporters (ZnT and Zip families) and metallothioneins (MT) which modulate the uptake, storage, and distribution of zinc. Several investigations in animal models demonstrate the protective role of MT in DM2 and its cardiovascular or renal complications, while a copious literature shows that a common polymorphism (R325W) in ZnT8, which affects the protein's zinc transport activity, is associated with increased DM2 risk. Emerging studies highlight a role of other zinc transporters in β-cell function, suggesting that targeting them could make a possible contribution in managing the hyperglycemia in diabetic patients. This article summarizes the current findings concerning the role of zinc homeostasis in DM2 pathogenesis and development of diabetic cardiomyopathy and nephropathy and suggests novel therapeutic targets. © 2017 BioFactors, 43(6):770-784, 2017.
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Affiliation(s)
- Robertina Giacconi
- Translational Research Center of Nutrition and Ageing, Scientific and Technological Pole, Italian National Institute of Health and Science on Aging (INRCA), Ancona, Italy
| | - Lu Cai
- Pediatric Research Institute at the Department of Pediatrics, Wendy L. Novak Diabetes Care Center, University of Louisville, Louisville, KY, USA
| | - Laura Costarelli
- Translational Research Center of Nutrition and Ageing, Scientific and Technological Pole, Italian National Institute of Health and Science on Aging (INRCA), Ancona, Italy
| | - Maurizio Cardelli
- Advanced Technology Center for Aging Research, Scientific and Technological Pole, Italian National Institute of Health and Science on Aging (INRCA), Ancona, Italy
| | - Marco Malavolta
- Translational Research Center of Nutrition and Ageing, Scientific and Technological Pole, Italian National Institute of Health and Science on Aging (INRCA), Ancona, Italy
| | - Francesco Piacenza
- Translational Research Center of Nutrition and Ageing, Scientific and Technological Pole, Italian National Institute of Health and Science on Aging (INRCA), Ancona, Italy
| | - Mauro Provinciali
- Advanced Technology Center for Aging Research, Scientific and Technological Pole, Italian National Institute of Health and Science on Aging (INRCA), Ancona, Italy
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Ozyıldırım S, Baltaci AK, Sahna E, Mogulkoc R. Effects of Chronic and Acute Zinc Supplementation on Myocardial Ischemia-Reperfusion Injury in Rats. Biol Trace Elem Res 2017; 178:64-70. [PMID: 27909864 DOI: 10.1007/s12011-016-0903-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Accepted: 11/22/2016] [Indexed: 10/20/2022]
Abstract
The present study aims to explore the effects of chronic and acute zinc sulfate supplementation on myocardial ischemia-reperfusion injury in rats. The study registered 50 adult male rats which were divided into five groups in equal numbers as follows: group 1, normal control; group 2, sham; group 3, myocardial ischemia reperfusion (My/IR): the group which was fed on a normal diet and in which myocardial I/R was induced; group 4, myocardial ischemia reperfusion + chronic zinc: (5 mg/kg i.p. zinc sulfate for 15 days); and group 5, myocardial ischemia reperfusion + acute zinc: the group which was administered 15 mg/kg i.p. zinc sulfate an hour before the operation and in which myocardial I/R was induced. The collected blood and cardiac tissue samples were analyzed using spectrophotometric method to determine levels of MDA, as an indicator of tissue injury, and GSH, as an indicator of antioxidant activity. The highest plasma and heart tissue MDA levels were measured in group 3 (p < 0.05). Group 5 had lower MDA values than group 3, while group 4 had significantly lower MDA values than groups 3 and 5 (p < 0.05). The highest erythrocyte GSH values were found in group 4 (p < 0.05). Erythrocyte GSH values in group 5 were higher than those in group 3 (p < 0.05). The highest GSH values in heart tissue were measured in group 4 (p < 0.05). The results of the study reveal that the antioxidant activity inhibited by elevated oxidative stress in heart ischemia reperfusion in rats is restored partially by acute zinc administration and markedly by chronic zinc supplementation.
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Affiliation(s)
| | | | - Engin Sahna
- Medical Faculty, Department of Pharmacology, Firat University, Elazıg, Turkey
| | - Rasim Mogulkoc
- Medical Faculty, Department of Physiology, Selcuk University, 42031, Konya, Turkey
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Diabetic Microvascular Disease and Pulmonary Fibrosis: The Contribution of Platelets and Systemic Inflammation. Int J Mol Sci 2016; 17:ijms17111853. [PMID: 27834824 PMCID: PMC5133853 DOI: 10.3390/ijms17111853] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2016] [Revised: 10/24/2016] [Accepted: 11/01/2016] [Indexed: 12/29/2022] Open
Abstract
Diabetes is strongly associated with systemic inflammation and oxidative stress, but its effect on pulmonary vascular disease and lung function has often been disregarded. Several studies identified restrictive lung disease and fibrotic changes in diabetic patients and in animal models of diabetes. While microvascular dysfunction is a well-known complication of diabetes, the mechanisms leading to diabetes-induced lung injury have largely been disregarded. We described the potential involvement of diabetes-induced platelet-endothelial interactions in perpetuating vascular inflammation and oxidative injury leading to fibrotic changes in the lung. Changes in nitric oxide synthase (NOS) activation and decreased NO bioavailability in the diabetic lung increase platelet activation and vascular injury and may account for platelet hyperreactivity reported in diabetic patients. Additionally, the Janus kinase/signal transducer and activator of transcription (JAK/STAT) pathway has been reported to mediate pancreatic islet damage, and is implicated in the onset of diabetes, inflammation and vascular injury. Many growth factors and diabetes-induced agonists act via the JAK/STAT pathway. Other studies reported the contribution of the JAK/STAT pathway to the regulation of the pulmonary fibrotic process but the role of this pathway in the development of diabetic lung fibrosis has not been considered. These observations may open new therapeutic perspectives for modulating multiple pathways to mitigate diabetes onset or its pulmonary consequences.
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