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Ahmed EH, Abdeen MA, Soliman S. Impact of chlorogenic acid on submandibular salivary gland and liver of albino rats exposed to sodium nitrite. BMC Oral Health 2024; 24:911. [PMID: 39112979 PMCID: PMC11308576 DOI: 10.1186/s12903-024-04661-4] [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: 05/03/2024] [Accepted: 07/23/2024] [Indexed: 08/10/2024] Open
Abstract
AIM The aim of the present study is to show how sodium nitrite alters the histology of submandibular salivary glands and livers of Albino rats, as well as how chlorogenic acid may have therapeutic benefits. METHODS A sample size of thirty male Sprague Dawley Albino rats weighing between 100 and 150 g (5-6 weeks old) was randomly allocated into 3 equal groups. Group I: rats were used as controls and were given phosphate buffer solution, whereas Group II: rats were given an 80 mg/kg sodium nitrites (SN) daily dissolved in distilled water. The rats in Group III were given a daily dose of 80 mg/kg SN dissolved in distilled water and after 6 hours each rat received 50 mg/mL freshly prepared chlorogenic acid (CGA) every other day. For 12 weeks, all treatment modalities will be administered orally, every day. After the experiment, all rats were euthanized. Samples from salivary glands and livers were processed and stained with H&E and interleukin 6 (IL 6). Malondialdehyde (MDA) and superoxide dismutase (SOD) enzymes were detected using an ELISA assay. RESULTS Groups III had nearly comparable findings to Group I regarding histological pattern with normal submandibular glands and livers features. Group III salivary gland treated with CGA exhibited higher SOD levels (20.60±4.81 U/g) in comparison to the SN group, and lower MDA levels (111.58±28.28 nmol/mg) in comparison to the SN treated samples. In comparison to the SN group, CGA treatment significantly reduced MDA levels in liver samples (167.56±21.17 nmol/mg) and raised SOD (30.85±6.77 U/g). CONCLUSIONS Chlorogenic acid has a protective effect against salivary gland and liver toxicity induced by SN in rats. This was mediated via the anti-inflammatory and antioxidative properties of CGA and the restoration of oxidant/antioxidant balance in rat salivary gland and liver.
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Affiliation(s)
- Elham H Ahmed
- Department of Oral Biology, Faculty of Dentistry, Mansoura University, Mansoura, Egypt.
| | - Mohammed Abdelrahim Abdeen
- Department of Supplementary Medical Science (Human Anatomy), Faculty of Dentistry, Sinai University, North Sinai, Egypt
| | - Samar Soliman
- Department of Oral Pathology, Faculty of Dentistry, Mansoura University, Mansoura, Egypt
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2
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Elshaer SE, Hamad GM, Sobhy SE, Darwish AMG, Baghdadi HH, H Abo Nahas H, El-Demerdash FM, Kabeil SSA, Altamimi AS, Al-Olayan E, Alsunbul M, Docmac OK, Jaremko M, Hafez EE, Saied EM. Supplementation of Saussurea costus root alleviates sodium nitrite-induced hepatorenal toxicity by modulating metabolic profile, inflammation, and apoptosis. Front Pharmacol 2024; 15:1378249. [PMID: 38881874 PMCID: PMC11177093 DOI: 10.3389/fphar.2024.1378249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Accepted: 05/06/2024] [Indexed: 06/18/2024] Open
Abstract
Sodium nitrite (NaNO2) is a widely used food ingredient, although excessive concentrations can pose potential health risks. In the present study, we evaluated the deterioration effects of NaNO2 additives on hematology, metabolic profile, liver function, and kidney function of male Wistar rats. We further explored the therapeutic potential of supplementation with S. costus root ethanolic extract (SCREE) to improve NaNO2-induced hepatorenal toxicity. In this regard, 65 adult male rats were divided into eight groups; Group 1: control, Groups 2, 3, and 4 received SCREE in 200, 400, and 600 mg/kg body weight, respectively, Group 5: NaNO2 (6.5 mg/kg body weight), Groups 6, 7 and 8 received NaNO2 (6.5 mg/kg body weight) in combination with SCREE (200, 400, and 600 mg/kg body weight), respectively. Our results revealed that the NaNO2-treated group shows a significant change in deterioration in body and organ weights, hematological parameters, lipid profile, and hepatorenal dysfunction, as well as immunohistochemical and histopathological alterations. Furthermore, the NaNO2-treated group demonstrated a considerable increase in the expression of TNF-α cytokine and tumor suppressor gene P53 in the kidney and liver, while a significant reduction was detected in the anti-inflammatory cytokine IL-4 and the apoptosis suppressor gene BCL-2, compared to the control group. Interestingly, SCREE administration demonstrated the ability to significantly alleviate the toxic effects of NaNO2 and improve liver function in a dose-dependent manner, including hematological parameters, lipid profile, and modulation of histopathological architecture. Additionally, SCREE exhibited the ability to modulate the expression levels of inflammatory cytokines and apoptotic genes in the liver and kidney. The phytochemical analysis revealed a wide set of primary metabolites in SCREE, including phenolics, flavonoids, vitamins, alkaloids, saponins and tannins, while the untargeted UPLC/T-TOF-MS/MS analysis identified 183 metabolites in both positive and negative ionization modes. Together, our findings establish the potential of SCREE in mitigating the toxic effects of NaNO2 by modulating metabolic, inflammatory, and apoptosis. Together, this study underscores the promise of SCREE as a potential natural food detoxifying additive to counteract the harmful impacts of sodium nitrite.
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Affiliation(s)
- Samy E Elshaer
- Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt
| | - Gamal M Hamad
- Department of Food Technology, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
| | - Sherien E Sobhy
- Department of Plant Protection and Biomolecular Diagnosis, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
| | - Amira M Galal Darwish
- Department of Food Technology, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
- Food Industry Technology Program, Faculty of Industrial and Energy Technology, Borg Al Arab Technological University (BATU), Alexandria, Egypt
| | - Hoda H Baghdadi
- Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt
| | | | - Fatma M El-Demerdash
- Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt
| | - Sanaa S A Kabeil
- Department of Protein Research, Genetic Engineering and Biotechnology Research Institute (GEBRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
| | - Abdulmalik S Altamimi
- Department of Pharmaceutical Chemistry, College of Pharmacy, Prince Sattam Bin Abdulaziz University, Alkharj, Saudi Arabia
| | - Ebtesam Al-Olayan
- Department of Zoology, College of Science, King Saud University, Riyadh, Saudi Arabia
| | - Maha Alsunbul
- Department of Pharmaceutical Sciences., College of Pharmacy, Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Omaima Kamel Docmac
- Anatomy and Embryology Department, Faculty of Medicine, Tanta University, Tanta, Egypt
| | - Mariusz Jaremko
- Smart-Health Initiative and Red Sea Research Center, Division of Biological and Environmental Sciences and Engineering, King Abdullah University of Science and Technology, Thuwal, Saudi Arabia
| | - Elsayed E Hafez
- Department of Plant Protection and Biomolecular Diagnosis, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
| | - Essa M Saied
- Chemistry Department (Biochemistry Division), Faculty of Science, Suez Canal University, Ismailia, Egypt
- Institute for Chemistry, Humboldt Universität zu Berlin, Berlin, Germany
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3
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Zhang R, Miao Z, Liu Y, Zhang X, Yang Q. A positive feedback loop between miR-574-3p and HIF-1α in promoting angiogenesis under hypoxia. Microvasc Res 2023; 150:104589. [PMID: 37481161 DOI: 10.1016/j.mvr.2023.104589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 07/13/2023] [Accepted: 07/17/2023] [Indexed: 07/24/2023]
Abstract
In our previous report, we presented evidence supporting the role of miR-574-3p in downregulating the expression of cullin 2 (CUL2) in gastric cancer (GC) cells. Expanding on those findings, the present study aims to confirm the direct interaction between miR-574-3p and the 3' untranslated region (3'UTR) of CUL2, which leads to the suppression of CUL2 expression and destabilization of the VCBCR complex. Based on these discoveries, we propose a novel pathway involving miR-574-3p, HIF-1α, and VEGF that contributes to angiogenesis. Through a series of meticulous experiments, we successfully validate this hypothesis. Specifically, our observations indicate that overexpression of miR-574-3p in GC cells induces an upregulation of HIF-1α and VEGF, resulting in enhanced proliferation, migration, invasion, and tube formation of HUVEC cells. Furthermore, employing a mouse model, we demonstrate that miR-574-3p facilitates the recruitment of endothelial cells towards matrigel xenografts. Additionally, we note a parallel increase in miR-574-3p and HIF-1α levels across multiple cell lines (including AGS, SGC-7901, Hela, and 293T cells) subjected to hypoxic conditions (2 % O2 or CoCl2 treatment), as well as in the myocardial muscles of sodium nitrite-induced hypoxic mice. Further investigations reveal that HIF-1α upregulates miR-574-3p expression by directly binding to the miR-574 promoter. Collectively, these findings strongly support the existence of a positive feedback loop between miR-574-3p and HIF-1α, which facilitates angiogenesis under hypoxic conditions.
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Affiliation(s)
- Renwen Zhang
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Zeyu Miao
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Yan Liu
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Xiaorong Zhang
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, Changchun 130021, China
| | - Qing Yang
- Department of Pathogenobiology, College of Basic Medical Sciences, Jilin University, Changchun 130021, China.
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Muacevic A, Adler JR. Successful Liver Transplantation After Neurologically Determined Death Donation Following Sodium Nitrite Poisoning. Cureus 2023; 15:e33278. [PMID: 36741606 PMCID: PMC9892231 DOI: 10.7759/cureus.33278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 12/26/2022] [Indexed: 01/04/2023] Open
Abstract
Sodium nitrite poisoning has been reported with increasing frequency since 2017 and popularized on social media as an effective means to commit suicide. Though accidental, non-intentional consumption has been reported, it is uncommon. Sodium nitrite is a colorless, odorless, yellowish-white crystalline material that resembles table salt, is easily ingested for self-harm, and is readily accessible through purchase from online portals at low cost. The chemical is used industrially as a curing agent for meat, fish, and cheese, as it inhibits Clostridium botulinum and prevents botulism. We herein report a successful case of liver transplantation from an organ donor who suffered brain death after intentional sodium nitrite consumption. Despite conflicting evidence on sodium nitrite's toxic versus protective effects on the liver, our transplant recipient showed normal graft function in the four months following liver transplantation. It would have been helpful and reassuring to have had access to similar positive case reports when deciding to use such a donor.
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Elshaer SE, Hamad GM, Hafez EE, Baghdadi HH, El-Demerdash FM, Simal-Gandara J. Root extracts of Saussurea costus as prospective detoxifying food additive against sodium nitrite toxicity in male rats. Food Chem Toxicol 2022; 166:113225. [PMID: 35691462 DOI: 10.1016/j.fct.2022.113225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2022] [Revised: 05/21/2022] [Accepted: 06/06/2022] [Indexed: 12/23/2022]
Abstract
The goal of this study was to investigate the effects of three different extracts of Saussurea costus roots (ethanol, methanol, and water) as a food additive in alleviating the harmful effect of sodium nitrite in rat meals. Thirty-five adult male rats were divided into five groups as follows: control, sodium nitrite (NaNO2; 75 mg/kg BW, single oral dose), S. costus 70% ethanol, 70% methanol, and aqueous extracts (300 mg/kg BW), respectively for four weeks followed by a single dose of NaNO2 24h before decapitation. Results showed that the 70% ethanol extract of S. costus has a higher concentration of total phenolic content, total flavonoids, and antioxidant effect than the 70% methanol and water extracts. Rats pretreated with S. costus extracts reduced the harmful effects induced by NaNO2 and improved the hematological parameters, liver, and kidney function biomarkers as well as lipid profile as compared to the NaNO2 group. Furthermore, S. costus improved the histopathological alterations in the liver and kidney induced by NaNO2 and improved meat sensory evaluation. Conclusively, the 70% ethanol extract of S. costus roots is the most effective extract as an antioxidant against the toxicity of sodium nitrite in male rats and might be used safely as a natural additive in the food industry.
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Affiliation(s)
- Samy E Elshaer
- Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt.
| | - Gamal M Hamad
- Department of Food Technology, Arid Lands Cultivation Research Institute, City Of Scientific Research and Technological Applications (SRTA), Borg El Arab, Alexandria, Egypt.
| | - Elsayed E Hafez
- Department of Plant Protection and Biomolecular Diagnosis, Arid Lands Cultivation Research Institute, City Of Scientific Research and Technological Applications (SRTA), Borg El Arab, Alexandria, Egypt.
| | - Hoda H Baghdadi
- Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt.
| | - Fatma M El-Demerdash
- Department of Environmental Studies, Institute of Graduate Studies and Research, Alexandria University, Alexandria, Egypt.
| | - Jesus Simal-Gandara
- Universidade de Vigo, Nutrition and Bromatology Group, Department of Analytical Chemistry and Food Science, E-32004, Ourense, Spain.
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Oarada M, Okumura Y, Hirasaka K, Sugiura K, Tachibana N, Tsurusaki Y, Nikawa T. Dietary Sodium Nitrite Causes Similar Modifications to Splenic Inflammatory Gene Expression as a High-Fat Diet. J Nutr Sci Vitaminol (Tokyo) 2022; 67:404-416. [PMID: 34980719 DOI: 10.3177/jnsv.67.404] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Sodium nitrite (NaNO2) is a widely used food additive. The present study compared the outcomes from intakes of dietary NaNO2 and a high-fat diet (HFD), and assessed their combined effects on inflammatory gene expression in the immune tissues of the mouse. In experiment I, mice were fed a standard low-fat diet (LFD) without or with NaNO2 (0.02 and 0.08%, w/w) for 11 wk. In experiment II, mice were fed an LFD without or with NaNO2 (0.02%) or HFD without or with NaNO2 (0.02%) for 11 wk. Inflammatory gene expression in the immune tissues was then measured. NaNO2 consumption and HFD feeding each resulted in increased splenic mRNAs for cell markers of neutrophils (Ngp, NE, Ly6g, Mpo) and eosinophils (Epo, Ear6), and an S100 family member (S100A8). In contrast, NaNO2 consumption and HFD feeding each resulted in decreased splenic mRNAs for cell markers of macrophages (Emr1, Itgax, CD68, CD206, Dectin-1, TLRs 4, 6, and 7), T- (CD3, CD4), NK- (CD56) and B-cells (CD20, CD40), pro- and anti-inflammatory cytokines (TNF-α, IL-6, IL-1β, IFN-γ, IL-18, IL-10, TGF-β), interleukin receptor antagonists (IL1ra, IL6ra) and cell adhesion molecules (ICAM-1, VCAM-1). However, dietary NaNO2 combined with HFD feeding caused no further decrease in these transcript levels compared with dietary NaNO2 alone. These NaNO2- or HFD-induced modifications were less profound in the liver and abdominal adipose tissues than in the spleen. These findings indicate that dietary NaNO2 has similar modulatory effects to HFD feeding on splenic inflammatory genes.
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Affiliation(s)
- Motoko Oarada
- Faculty of Nutritional Science, Sagami Women's University
| | - Yuushi Okumura
- Faculty of Nutritional Science, Sagami Women's University
| | - Katsuya Hirasaka
- Graduate School of Fisheries Science and Environmental Studies, Nagasaki University
| | - Kosuke Sugiura
- Department of Nutritional Physiology, Institute of Medical Nutrition, Tokushima University Graduate School
| | | | | | - Takeshi Nikawa
- Department of Nutritional Physiology, Institute of Medical Nutrition, Tokushima University Graduate School
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Abu-Halaka D, Gover O, Rauchbach E, Zelber-Sagi S, Schwartz B, Tirosh O. Whole body metabolism is improved by hemin added to high fat diet while counteracted by nitrite: a mouse model of processed meat consumption. Food Funct 2021; 12:8326-8339. [PMID: 34323908 DOI: 10.1039/d1fo01199e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Nitrites and nitrates are traditional food additives used as curing agents in the food industry. They inhibit the growth of microorganisms and give a typical pink color to meat. Besides the positive effects of nitrite in foods, if present at high levels in the body, may induce hypoxia and contribute to the production of pro-carcinogenic secondary N-nitrosamines. This study investigated the whole-body metabolic effects of hemin and nitrite added to a high fat diet as red and processed red meat nutritional models. Mice were fed for 11 weeks with five different diets-(1) control diet (ND), (2) high fat diet (HFD) with 60% fat, (3) HFD with hemin (HFD + H, red meat model), (4) HFD with hemin and nitrite (HFD + HN, processed meat model), and (5) HFD with hemin, nitrite, and secondary amine (HFD + HNN, N-nitrosamine generating model)-and several metabolic parameters were determined and respiratory measurements were performed. Mice fed with the HFD + H or HFD + HNN diet had a lower epididymal white adipose tissue (eWAT) : body ratio and lower fasting glucose level than those fed the HFD alone. In addition, our results demonstrated a relief in hepatosteatosis grade among the HFD + H and HFD + HNN diet fed mice. Nitrite added to the HFD impaired the ability to use fat for energy, opposite to the effect of hemin. This study shows that nitrite in addition to pro-carcinogenesis and hypoxia can impact metabolic disease progression when added to meat.
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Affiliation(s)
- Diana Abu-Halaka
- Institute of Biochemistry, School of Nutritional Sciences, Food Science and Nutrition, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel.
| | - Ofer Gover
- Institute of Biochemistry, School of Nutritional Sciences, Food Science and Nutrition, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel.
| | - Einat Rauchbach
- Institute of Biochemistry, School of Nutritional Sciences, Food Science and Nutrition, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel.
| | - Shira Zelber-Sagi
- Faculty of Social Welfare and Health Sciences, University of Haifa, 3498838, Israel
| | - Betty Schwartz
- Institute of Biochemistry, School of Nutritional Sciences, Food Science and Nutrition, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel.
| | - Oren Tirosh
- Institute of Biochemistry, School of Nutritional Sciences, Food Science and Nutrition, The Robert H. Smith Faculty of Agriculture, Food and Environment, The Hebrew University of Jerusalem, Rehovot 76100, Israel.
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Che S, Yuan J, Chen S, Li S, Zhang L, Ruan Z, Yao Y. Hesperidin prevents the combined toxicity of decabromodiphenyl ether and sodium nitrite in vitro. Food Chem Toxicol 2021; 156:112410. [PMID: 34260953 DOI: 10.1016/j.fct.2021.112410] [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] [Received: 03/30/2021] [Revised: 07/07/2021] [Accepted: 07/10/2021] [Indexed: 12/30/2022]
Abstract
Decabromodiphenyl ether (BDE-209) and Sodium nitrite (SN) coexist in the processing meat and fish foods, but there is no research considering them together. The present study aimed to investigate the binary mixture's toxicity of BDE-209 and SN and explore the protective effect of hesperidin (Hsp) on the combined toxicity. Results showed that compared with the impact of BDE-209 or SN alone, the binary mixture had a synergistic toxic effect on impairing the viability of HepG2 cells, accompanied by oxidative stress, Ca2+ accumulation, mitochondrial dysfunction. The increase of γ-H2AX fluorescent foci and micronuclei number also indicated its genotoxicity. Pretreatment of Hsp could significantly alleviate the above damage caused by the binary combination. These findings revealed the toxicological interaction of BDE-209 and SN and highlighted that food containing abundant natural flavonoids, as hesperidin, could reduce this toxicological risk.
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Affiliation(s)
- Siyan Che
- State Key Laboratory of Food Science and Technology, Nanchang Key Laboratory of Fruits and Vegetables Nutrition and Processing, Institute of Nutrition and School of Food Science, Nanchang University, Nanchang, 330047, China
| | - Jinwen Yuan
- State Key Laboratory of Food Science and Technology, Nanchang Key Laboratory of Fruits and Vegetables Nutrition and Processing, Institute of Nutrition and School of Food Science, Nanchang University, Nanchang, 330047, China
| | - Sunni Chen
- State Key Laboratory of Food Science and Technology, Nanchang Key Laboratory of Fruits and Vegetables Nutrition and Processing, Institute of Nutrition and School of Food Science, Nanchang University, Nanchang, 330047, China
| | - Shiqi Li
- State Key Laboratory of Food Science and Technology, Nanchang Key Laboratory of Fruits and Vegetables Nutrition and Processing, Institute of Nutrition and School of Food Science, Nanchang University, Nanchang, 330047, China
| | - Li Zhang
- State Key Laboratory of Food Science and Technology, Nanchang Key Laboratory of Fruits and Vegetables Nutrition and Processing, Institute of Nutrition and School of Food Science, Nanchang University, Nanchang, 330047, China
| | - Zheng Ruan
- State Key Laboratory of Food Science and Technology, Nanchang Key Laboratory of Fruits and Vegetables Nutrition and Processing, Institute of Nutrition and School of Food Science, Nanchang University, Nanchang, 330047, China.
| | - Yanbin Yao
- Jian Engineering Research Center for Freeze-dried Food, China
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Wahyuningsih SPA, Mwendolwa AA, Winarni D, Anggreini RW, Mamuaya BKK. Protective Effect of Red Okra ( Abelmoschus esculentus (L.) Moench) Pods against Sodium Nitrite-Induced Liver Injury in Mice. Vet Med Int 2021; 2021:6647800. [PMID: 34221340 PMCID: PMC8221870 DOI: 10.1155/2021/6647800] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2020] [Accepted: 06/08/2021] [Indexed: 12/22/2022] Open
Abstract
Vegetables, drinking water, and preserved meats may contain sodium nitrite (NaNO2), which causes liver disease by inducing oxidative stress. Phytochemicals are highly recommended as an alternative to synthetic drugs and affordable medicines to treat liver disease because they have fewer or no side effects. Therefore, this study aims to determine the antioxidant and hepatoprotective potential of red okra fruit ethanol extract against NaNO2-induced liver damage. Thirty-six male mice were separated into six groups. The normal control group (WA) was given distilled water only, and the NaNO2 (SN) group was given only 50 mg/kg BW NaNO2. The other four groups (P1, P2, P3, and P4) were given NaNO2 and red okra ethanol extract at doses of 25, 50, 75, and 100 mg/kg BW, respectively. Gavage was administered orally for 21 consecutive days. Commercial kits define all biochemical parameters according to the manufacturer's instructions. Liver tissue staining followed standard protocols using hematoxylin and eosin. The study revealed that NaNO2 induction causes oxidative stress and damages the liver. The activity of antioxidant enzymes (superoxide dismutase and catalase) significantly increased in the groups treated (P2-P4) with ethanol extract of red okra (p < 0.05). Besides, the oxidants (malondialdehyde, F2-isoprostanes, and nitric oxide) in the liver homogenate significantly decreased in the P4 group, which were given red okra ethanol extract (p < 0.05). Likewise, red okra pods decreased significantly for the serum biochemical parameters of liver damage (aspartate aminotransferase, alkaline phosphatase, and alanine aminotransferase) in the P3 and P4 groups (p < 0.05). Then, it led to a restoration of the histological structure compared to exposed mice (SN), as the pathological scores decreased significantly in the P3 and P4 groups (p < 0.05), as well as the number of the necrotic and swollen liver cells was reduced. Hepatocytes returned to normal. The results showed that the ethanol extract of red okra fruit could be helpful as an affordable medicine. It is an antioxidant and hepatoprotective agent to protect the liver from damage caused by NaNO2.
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Affiliation(s)
| | - Adamu Ayubu Mwendolwa
- Department of Biological Sciences, Faculty of Sciences, Mkwawa University College of Education, P.O. Box 2513, Iringa, Tanzania
| | - Dwi Winarni
- Department of Biology, Faculty of Science and Technology, Airlangga University, Surabaya 60115, Indonesia
| | - Rizki Wahyu Anggreini
- Department of Biology, Faculty of Science and Technology, Airlangga University, Surabaya 60115, Indonesia
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Verdu S, Perez AJ, Carrascosa C, Barat JM, Talens P, Grau R. Caenorhabditis elegans to Model the Capacity of Ascorbic Acid to Reduce Acute Nitrite Toxicity under Different Feed Conditions: Multivariate Analytics on Behavioral Imaging. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2021; 18:2068. [PMID: 33672539 PMCID: PMC7923789 DOI: 10.3390/ijerph18042068] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Accepted: 02/17/2021] [Indexed: 01/17/2023]
Abstract
Nitrocompounds are present in the environment and human diet and form part of vegetables and processed meat products as additives. These compounds are related to negative impacts on human and animal health. The protective effect of ascorbic acid has been demonstrated by some biological systems as regards several nitrocompounds. This work focused on studying the possibility of modeling this effect on nitrite toxicity with the model Caenorhabditis elegans. The three factors studied in this work were ascorbic acid concentration, nitrite exposure concentration, and presence/absence of food. The protective effect was evaluated by scoring lethality and its impact on behavior by means of multivariate statistical methods and imaging analytics. The effects of nitrite and the influence of food availability were evidenced. Apart from increasing lethality, nitrite had disruption effects on movements. All the observed symptoms reduced when ascorbic acid was administered, and it diminished lethality in all cases. Ascorbic acid maintained nematodes' postural capacities. The results suggest that nitrites' nonspecific toxicity in C. elegans can be mitigated by ascorbic acid, as previously evidenced in other biological systems. Thus, our results reveal the ability of C. elegans to reproduce the known protective effect of ascorbic acid against nitrite.
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Affiliation(s)
- Samuel Verdu
- Departamento de Tecnología de Alimentos, Universidat Politècnica de València, 46022 Valencia, Spain; (J.M.B.); (P.T.); (R.G.)
| | - Alberto J. Perez
- Departamento de Informática de Sistemas y Computadores, Universidat Politècnica de València, 46022 Valencia, Spain;
| | - Conrado Carrascosa
- Department of Animal Pathology and Production, Bromatology and Food Technology, Faculty of Veterinary, Universidad de Las Palmas de Gran Canaria, Arucas, 35413 Las Palmas, Spain;
| | - José M. Barat
- Departamento de Tecnología de Alimentos, Universidat Politècnica de València, 46022 Valencia, Spain; (J.M.B.); (P.T.); (R.G.)
| | - Pau Talens
- Departamento de Tecnología de Alimentos, Universidat Politècnica de València, 46022 Valencia, Spain; (J.M.B.); (P.T.); (R.G.)
| | - Raúl Grau
- Departamento de Tecnología de Alimentos, Universidat Politècnica de València, 46022 Valencia, Spain; (J.M.B.); (P.T.); (R.G.)
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Abd Hamid NFH, Khan MM, Lim LH. Assessment of nitrate, nitrite and chloride in selected cured meat products and their exposure to school children in Brunei Darussalam. J Food Compost Anal 2020. [DOI: 10.1016/j.jfca.2020.103520] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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El-Nabarawy NA, Gouda AS, Khattab MA, Rashed LA. Effects of nitrite graded doses on hepatotoxicity and nephrotoxicity, histopathological alterations, and activation of apoptosis in adult rats. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2020; 27:14019-14032. [PMID: 32036525 DOI: 10.1007/s11356-020-07901-6] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 01/27/2020] [Indexed: 06/10/2023]
Abstract
Nitrites are found in several forms; they are widely found in water resources and used as additives and preservatives for food and as a color source. We investigated the hazardous effects of exposing rats to different doses of nitrites. Moreover, we examined such impacts, after acute ingestion, on liver and renal tissues in rats and to what extent this affects the organs' functions. Animals were divided into five groups: one control group 1 (group C) and four sodium nitrite (NaNO2)-treated group (8 rats per group). The four NaNO2-treated groups include group 2 (N20), group 3 (N40), group 4 (N60), and group 5 (N75). NaNO2 was dissolved in distilled water, and single acute dose was orally given by gavage at 20, 40, 60, and 75 mg/kg body weight, respectively. Our results revealed significant increase of liver enzymes activity-aspartate transaminase (AST), alanine aminotransferase (ALT), and creatinine between different groups with increasing doses of nitrite ingestion. The results of hepatic and renal oxidative stress showed significant increase in the malondialdehyde (MDA) levels and significant decrease in the antioxidant parameters, such as reduced glutathione (GSH), superoxide dismutase (SOD), and catalase (CAT), as the dose of nitrite increases. Further, the methemoglobin percent showed significant increase with increasing nitrite doses. Abnormal morphological alterations in the liver and kidney tissues were obviously proportional to the administered nitrite doses. The expression of caspase 3 and Bax level showed enhanced induction of immunoexpression, especially in the high doses of nitrites. On the other hand, the maximal immunoexpression level of anti-apoptotic marker Bcl2 was found in lower doses of nitrites, whereas marked decrease of Bcl2 levels was observed in the higher doses. In conclusion, administration of sodium nitrite in a dose-dependent manner is capable of inducing cellular and genetic toxicities and causes disturbance in biochemical analysis, oxidative and anti-oxidative balance, and methemoglobinemia. It also makes histopathological alterations and leads to the activation of apoptosis-related Bax, Bcl2, and caspase 3 genes of liver and kidney tissues in rats.
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Affiliation(s)
- Nagla A El-Nabarawy
- National Egyptian Center of Environmental and Toxicological Research (NECTR), Faculty of Medicine, Cairo University, Cairo, Egypt.
| | - Ahmed S Gouda
- National Egyptian Center of Environmental and Toxicological Research (NECTR), Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Mohamed A Khattab
- Department of Cytology and Histology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Laila A Rashed
- Department of Biochemistry, Faculty of Medicine, Cairo University, Giza, Egypt
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Petrova E, Gluhcheva Y, Pavlova E, Vladov I, Voyslavov T, Ivanova J. Effect of acute sodium nitrite intoxication on some essential biometals in mouse spleen. J Trace Elem Med Biol 2020; 58:126431. [PMID: 31759232 DOI: 10.1016/j.jtemb.2019.126431] [Citation(s) in RCA: 2] [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: 06/29/2019] [Revised: 10/29/2019] [Accepted: 11/01/2019] [Indexed: 11/20/2022]
Abstract
BACKGROUND AND AIM Sodium nitrite (NaNO2) is an inorganic salt with numerous applications in a variety of industries, as well as in medicine. Nevertheless, exposure to high levels of NaNO2 is toxic for animals and humans. Sodium nitrite intoxication is shown to decrease the activity of major antioxidant defence enzymes which is dependent on the maintenance of specific ion equilibrium. The aim of the present study was to investigate the effect of acute NaNO2 intoxication on the content of the essential metals iron (Fe), calcium (Ca) and zinc (Zn) in mouse spleen. METHODS Mature male ICR mice were divided into four groups and subjected to acute NaNO2 exposure by a single intraperitoneal injection of 120 mg/kg body weight. Animals in each group were sacrificed at certain time interval after treatment (1 h, 5 h, 1 day and 2 days). Spleens were excised and processed for atomic absorption spectrometry analysis of Fe, Ca and Zn content. RESULTS At the first hour after treatment, a decrease in Fe and Ca levels was observed. One day following NaNO2 administration, Zn concentration reached its lowest value and Ca levels remained lower, compared to the untreated controls. In contrast, Fe concentration increased on the first and second day after treatment. CONCLUSION The results of the present study demonstrate that acute NaNO2 intoxication provokes changes in the endogenous levels of Fe, Ca and Zn in mouse spleen. These findings suggest disruption of the ionic balance and impact on the activity of antioxidant defence enzymes.
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Affiliation(s)
- Emilia Petrova
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., Bl. 25, 1113, Sofia, Bulgaria.
| | - Yordanka Gluhcheva
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., Bl. 25, 1113, Sofia, Bulgaria.
| | - Ekaterina Pavlova
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., Bl. 25, 1113, Sofia, Bulgaria.
| | - Ivelin Vladov
- Institute of Experimental Morphology, Pathology and Anthropology with Museum, Bulgarian Academy of Sciences, Acad. Georgi Bonchev Str., Bl. 25, 1113, Sofia, Bulgaria.
| | - Tsvetomil Voyslavov
- Faculty of Chemistry and Pharmacy, Sofia University "St. Kliment Ohridski", James Bourchier Blvd. N1, 1164, Sofia, Bulgaria.
| | - Juliana Ivanova
- Faculty of Medicine, Sofia University "St. Kliment Ohridski", 1 Kozjak Str., 1407, Sofia, Bulgaria.
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El-Nabarawy NA, Zohdy K, Medany SS, Fadlallah SA. Electrochemical assessement of the therapeutic agent of dietary nitrite in streptozotocin induced diabetic rats based on Ni-Cu/nanotitania sensor. Microchem J 2020. [DOI: 10.1016/j.microc.2019.104398] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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15
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He T, Xie D, Ni J, Li Z. Ca(II) and Mg(II) significantly enhanced the nitrogen removal capacity of Arthrobacter arilaitensis relative to Zn(II) and Ni(II). JOURNAL OF HAZARDOUS MATERIALS 2019; 368:594-601. [PMID: 30716569 DOI: 10.1016/j.jhazmat.2019.01.094] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/24/2018] [Revised: 01/26/2019] [Accepted: 01/28/2019] [Indexed: 06/09/2023]
Abstract
This study investigated the impacts of alkaline-earth metals [Ca(II), Mg(II)] and heavy metals [Zn(II), Ni(II)] on the nitrogen removal capacity of Arthrobacter arilaitensis Y-10. StrainY-10 was able to tolerate 20 mg/L Ca(II) and its ammonium removal efficiency was 100%. 0.5 mg/L Ca(II) effectively promoted total nitrogen removal from wastewater containing nitrite. Mg(II) supplementation substantially enhanced the bacterial growth and nitrogen reduction. As Mg(II) concentrations increased from 0 to 2 mg/L, the ammonium, nitrate and nitrite removal efficiencies increased by 40.62%, 69.91% and 64.68%, respectively. Although the nitrogen removal ability of strain Y-10 was sharply hindered by Zn(II) and Ni(II), it occurred continuously even when the Zn(II) concentration reached 30 mg/L. However, the ammonium and total nitrogen removal almost stopped at 8 mg/L Ni(II), and the denitrification capacity was lost when the Ni(II) concentration exceeded 1 mg/L. The results demonstrate that Ca(II) and especially Mg(II) could significantly enhance the nitrogen removal capacity of Arthrobacter arilaitensis relative to Zn(II) and Ni(II).
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Affiliation(s)
- Tengxia He
- Chongqing Key Laboratory of Soil Multiscale Interfacial Process, College of Resources and Environment, Southwest University, Chongqing, 400716, China
| | - Deti Xie
- Chongqing Key Laboratory of Soil Multiscale Interfacial Process, College of Resources and Environment, Southwest University, Chongqing, 400716, China
| | - Jiupai Ni
- Chongqing Key Laboratory of Soil Multiscale Interfacial Process, College of Resources and Environment, Southwest University, Chongqing, 400716, China
| | - Zhenlun Li
- Chongqing Key Laboratory of Soil Multiscale Interfacial Process, College of Resources and Environment, Southwest University, Chongqing, 400716, China.
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Abo-EL-Sooud K, Hashem MM, Abd ElHakim YM, Kamel GM, Gab-Allaha AQ. Effect of butylated hydroxyl toluene on the immune response of Rift Valley fever vaccine in a murine model. Int Immunopharmacol 2018; 62:165-169. [DOI: 10.1016/j.intimp.2018.07.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2018] [Revised: 06/23/2018] [Accepted: 07/03/2018] [Indexed: 12/14/2022]
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Ansari FA, Ali SN, Khan AA, Mahmood R. Acute oral dose of sodium nitrite causes redox imbalance and DNA damage in rat kidney. J Cell Biochem 2018; 119:3744-3754. [PMID: 29240267 DOI: 10.1002/jcb.26611] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2017] [Accepted: 12/07/2017] [Indexed: 12/30/2022]
Abstract
Sodium nitrite (NaNO2 ) is widely used as a food additive and preservative in fish and meat products. We have evaluated the effect of a single acute oral dose of NaNO2 on oxidative stress parameters, antioxidant capacity, and DNA in rat kidney. Male Wistar rats were divided into four groups and given single oral dose of NaNO2 at 20, 40, 60, and 75 mg/kg body weight; untreated rats served as the control group. All animals in NaNO2 -treated groups showed marked alterations in various parameters of oxidative stress as compared to the control group. This included increase in lipid peroxidation, protein oxidation, hydrogen peroxide levels, and decrease in reduced glutathione content and antioxidant capacity. Administration of NaNO2 also increased DNA damage as evident from release of free nucleotides and confirmed by comet assay. It also led to greater cross-linking of DNA to proteins. Histological analysis showed marked morphological changes in the kidney of NaNO2 -treated animals. These alterations could be due to increased free radical generation or direct chemical modification by reaction intermediates. Our results suggest that nitrite-induced nephrotoxicity is mediated through redox imbalance and results in DNA damage.
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Affiliation(s)
- Fariheen Aisha Ansari
- Faculty of Life Sciences, Department of Biochemistry, Aligarh Muslim University, Aligarh, U.P., India
| | - Shaikh Nisar Ali
- Faculty of Life Sciences, Department of Biochemistry, Aligarh Muslim University, Aligarh, U.P., India
| | - Aijaz Ahmed Khan
- Faculty of Medicine, Department of Anatomy, J. N. Medical College, Aligarh Muslim University, Aligarh, U.P., India
| | - Riaz Mahmood
- Faculty of Life Sciences, Department of Biochemistry, Aligarh Muslim University, Aligarh, U.P., India
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Mortensen A, Aguilar F, Crebelli R, Di Domenico A, Dusemund B, Frutos MJ, Galtier P, Gott D, Gundert-Remy U, Lambré C, Leblanc JC, Lindtner O, Moldeus P, Mosesso P, Oskarsson A, Parent-Massin D, Stankovic I, Waalkens-Berendsen I, Woutersen RA, Wright M, van den Brandt P, Fortes C, Merino L, Toldrà F, Arcella D, Christodoulidou A, Cortinas Abrahantes J, Barrucci F, Garcia A, Pizzo F, Battacchi D, Younes M. Re-evaluation of potassium nitrite (E 249) and sodium nitrite (E 250) as food additives. EFSA J 2017; 15:e04786. [PMID: 32625504 PMCID: PMC7009987 DOI: 10.2903/j.efsa.2017.4786] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
The Panel on Food Additives and Nutrient Sources added to Food (ANS) provided a scientific opinion re-evaluating the safety of potassium nitrite (E 249) and sodium nitrite (E 250) when used as food additives. The ADIs established by the SCF (1997) and by JECFA (2002) for nitrite were 0-0.06 and 0-0.07 mg/kg bw per day, respectively. The available information did not indicate in vivo genotoxic potential for sodium and potassium nitrite. Overall, an ADI for nitrite per se could be derived from the available repeated dose toxicity studies in animals, also considering the negative carcinogenicity results. The Panel concluded that an increased methaemoglobin level, observed in human and animals, was a relevant effect for the derivation of the ADI. The Panel, using a BMD approach, derived an ADI of 0.07 mg nitrite ion/kg bw per day. The exposure to nitrite resulting from its use as food additive did not exceed this ADI for the general population, except for a slight exceedance in children at the highest percentile. The Panel assessed the endogenous formation of nitrosamines from nitrites based on the theoretical calculation of the NDMA produced upon ingestion of nitrites at the ADI and estimated a MoE > 10,000. The Panel estimated the MoE to exogenous nitrosamines in meat products to be < 10,000 in all age groups at high level exposure. Based on the results of a systematic review, it was not possible to clearly discern nitrosamines produced from the nitrite added at the authorised levels, from those found in the food matrix without addition of external nitrite. In epidemiological studies there was some evidence to link (i) dietary nitrite and gastric cancers and (ii) the combination of nitrite plus nitrate from processed meat and colorectal cancers. There was evidence to link preformed NDMA and colorectal cancers.
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Acute oral dose of sodium nitrite induces redox imbalance, DNA damage, metabolic and histological changes in rat intestine. PLoS One 2017; 12:e0175196. [PMID: 28384248 PMCID: PMC5383256 DOI: 10.1371/journal.pone.0175196] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2016] [Accepted: 03/22/2017] [Indexed: 12/16/2022] Open
Abstract
Industrialization and unchecked use of nitrate/nitrite salts for various purposes has increased human exposure to high levels of sodium nitrite (NaNO2) which can act as a pro-oxidant and pro-carcinogen. Oral exposure makes the gastrointestinal tract particularly susceptible to nitrite toxicity. In this work, the effect of administration of a single acute oral dose of NaNO2 on rat intestine was studied. Animals were randomly divided into four groups and given single doses of 20, 40, 60 and 75 mg NaNO2/kg body weight. Untreated animals served as the control group. An NaNO2 dose-dependent decline in the activities of brush border membrane enzymes, increase in lipid peroxidation, protein oxidation, hydrogen peroxide levels and decreased thiol content was observed in all treated groups. The activities of various metabolic and antioxidant defense enzymes were also altered. NaNO2 induced a dose-dependent increase in DNA damage and DNA-protein crosslinking. Histopathological studies showed marked morphological damage in intestinal cells. The intestinal damage might be due to nitrite-induced oxidative stress, direct action of nitrite anion or chemical modification by reaction intermediates.
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Comparisons of Curative Effects of Chlorophyll from Sauropus androgynus (L) Merr Leaf Extract and Cu-Chlorophyllin on Sodium Nitrate-Induced Oxidative Stress in Rats. J Toxicol 2016; 2016:8515089. [PMID: 28053604 PMCID: PMC5178362 DOI: 10.1155/2016/8515089] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2016] [Accepted: 10/24/2016] [Indexed: 11/17/2022] Open
Abstract
Sodium nitrate (NaNO2) widely used as food additive for coloring and preserving meat has been reported to induce oxidative stress and cause histopathologic changes, nitrosative tissue damage, and lipid peroxidation in liver and kidney. Therefore, the present study compared the curative effect of chlorophyll from Sauropus androgynus (L) Merr and Cu-chlorophyllin as antioxidant in NaNO2-induced female Wistar rats based on haematological, serum biochemical, and histological evaluation. Thirty male Wistar rats were randomly assigned into six groups of five rats each. NaNO2 were given at a subacute dose of 50 mg/kg bw intraperitoneally for 10 days. Chlorophyll from S. androgynus and Cu-chlorophyllin from K-Liquid™ were given in the following 14 days at the two doses: 0,016 mg/mL and 0.008 mg/mL. NaNO2 exposure resulted in significant reductions (p < 0.05) in values of packed cell volume (PCV), haemoglobin (Hb) concentration and red blood cell (RBC) count, transferrin, and ferritin and elevation in malondialdehyde (MDA) level and schistocytes percentage with insignificant reductions in serum albumin and transferrin levels. Histology of kidney and liver were changed insignificantly (p > 0.05) to normal values. Chlorophyll from S. androgynus and Cu-chlorophyllin possess antioxidant potentials to protect against toxicities induced by sodium nitrate.
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Polyoxometalate [PMo11O39]7−/carbon nanocomposites for sensitive amperometric detection of nitrite. Electrochim Acta 2016. [DOI: 10.1016/j.electacta.2016.10.192] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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22
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Yang QL, Shen JQ, Xue Y, Cheng XB, Jiang ZH, Yang YC, Chen YD, Zhou XN. Pathological Lesions and Inducible Nitric Oxide Synthase Expressions in the Liver of Mice Experimentally Infected with Clonorchis sinensis. THE KOREAN JOURNAL OF PARASITOLOGY 2015; 53:777-83. [PMID: 26797449 PMCID: PMC4725231 DOI: 10.3347/kjp.2015.53.6.777] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/14/2015] [Revised: 06/29/2015] [Accepted: 08/24/2015] [Indexed: 12/20/2022]
Abstract
The nitric oxide (NO) formation and intrinsic nitrosation may be involved in the possible mechanisms of liver fluke-associated carcinogenesis. We still do not know much about the responses of inducible NO synthase (iNOS) induced by Clonorchis sinensis infection. This study was conducted to explore the pathological lesions and iNOS expressions in the liver of mice with different infection intensity levels of C. sinensis. Extensive periductal inflammatory cell infiltration, bile duct hyperplasia, and fibrosis were commonly observed during the infection. The different pathological responses in liver tissues strongly correlated with the infection intensity of C. sinensis. Massive acute spotty necrosis occurred in the liver parenchyma after a severe infection. The iNOS activity in liver tissues increased, and iNOS-expressing cells with morphological differences were observed after a moderate or severe infection. The iNOS-expressing cells in liver tissues had multiple origins.
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Affiliation(s)
- Qing-Li Yang
- National Institute of Parasitic Disease, Chinese Center for Disease Control and Prevention; Key Laboratory of Parasite and Vector Biology, Ministry of Health; WHO Collaborating Centre for Malaria, Schistosomiasis and Filariasis, Shanghai 200025, P. R. China
- Guangxi Zhuang Autonomous Region Center for Disease Prevention and Control; Guangxi Key Laboratory for the Prevention and Control of Viral Hepatitis, Nanning 530028, P. R. China
| | - Ji-Qing Shen
- Department of Parasitology, Guangxi Medical University, Nanning 530021, P. R. China
| | - Yan Xue
- Department of Parasitology, Guangxi Medical University, Nanning 530021, P. R. China
| | - Xiao-Bing Cheng
- Department of Parasitology, Guangxi Medical University, Nanning 530021, P. R. China
| | - Zhi-Hua Jiang
- Guangxi Zhuang Autonomous Region Center for Disease Prevention and Control; Guangxi Key Laboratory for the Prevention and Control of Viral Hepatitis, Nanning 530028, P. R. China
| | - Yi-Chao Yang
- Guangxi Zhuang Autonomous Region Center for Disease Prevention and Control; Guangxi Key Laboratory for the Prevention and Control of Viral Hepatitis, Nanning 530028, P. R. China
| | - Ying-Dan Chen
- National Institute of Parasitic Disease, Chinese Center for Disease Control and Prevention; Key Laboratory of Parasite and Vector Biology, Ministry of Health; WHO Collaborating Centre for Malaria, Schistosomiasis and Filariasis, Shanghai 200025, P. R. China
| | - Xiao-Nong Zhou
- National Institute of Parasitic Disease, Chinese Center for Disease Control and Prevention; Key Laboratory of Parasite and Vector Biology, Ministry of Health; WHO Collaborating Centre for Malaria, Schistosomiasis and Filariasis, Shanghai 200025, P. R. China
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Ansari FA, Ali SN, Mahmood R. Sodium nitrite-induced oxidative stress causes membrane damage, protein oxidation, lipid peroxidation and alters major metabolic pathways in human erythrocytes. Toxicol In Vitro 2015; 29:1878-86. [DOI: 10.1016/j.tiv.2015.07.022] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2015] [Revised: 07/02/2015] [Accepted: 07/27/2015] [Indexed: 01/07/2023]
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Chohan S, Booysen IN, Mambanda A, Akerman MP. Synthesis, characterization and electrocatalytic behavior of cobalt and iron phthalocyanines bearing chromone or coumarin substituents. J COORD CHEM 2015. [DOI: 10.1080/00958972.2015.1023196] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Affiliation(s)
- Sumayya Chohan
- School of Chemistry and Physics, University of Kwazulu-Natal, Pietermaritzburg, South Africa
| | - Irvin Noel Booysen
- School of Chemistry and Physics, University of Kwazulu-Natal, Pietermaritzburg, South Africa
| | - Allen Mambanda
- School of Chemistry and Physics, University of Kwazulu-Natal, Pietermaritzburg, South Africa
| | - Matthew Piers Akerman
- School of Chemistry and Physics, University of Kwazulu-Natal, Pietermaritzburg, South Africa
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