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Mahfouz H, Dahran N, Abdel-Rahman Mohamed A, Abd El-Hakim YM, Metwally MMM, Alqahtani LS, Abdelmawlla HA, Wahab HA, Shamlan G, Nassan MA, Gaber RA. Stabilization of glutathione redox dynamics and CYP2E1 by green synthesized Moringa oleifera-mediated zinc oxide nanoparticles against acrylamide induced hepatotoxicity in rat model: Morphometric and molecular perspectives. Food Chem Toxicol 2023; 176:113744. [PMID: 36965644 DOI: 10.1016/j.fct.2023.113744] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 03/11/2023] [Accepted: 03/22/2023] [Indexed: 03/27/2023]
Abstract
The terrible reality is that acrylamide (AA) is a common food contaminant found in a wide variety of commonly consumed foods. This research involves the advancement of a more dependable technique for the bio-fabrication of zinc oxide nanoparticles (ZNPs) through the green method using Moringa Oleifera extract (MO-ZNPs) as an efficient chelating agent for acrylamide (AA). The effects of AA on glutathione redox dynamics, liver function, lipid profile, and zinc residues in Sprague Dawley rats are investigated. Finally, the microarchitecture and immunohistochemical staining of Caspase-3 and CYP2E1 were determined in the liver tissue of rats. Four separate groups, including control, MO-ZNPs (10 mg/kg b.wt), AA (20 mg/kg b.wt), and AA + MO-ZNPs for 60 days. The results revealed a suppressed activity of glutathione redox enzymes (GSH, GPX,and GSR) on both molecular and biochemical levels. Also, AA caused elevated liver enzymes, hepatosomatic index, and immunohistochemical staining of caspase-3 and CYP2E1 expression. MO-ZNPs co-treatment, on the other hand, stabilized glutathione-related enzyme gene expression, normalized hepatocellular enzyme levels, and restored hepatic tissue microarchitectures. It could be assumed that MO-ZNPs is a promising hepatoprotective molecule for alleviating AA-induced hepatotoxicity. We witnessed changes in glutathione redox dynamics to be restorative. Glutathione and cytochrome P450 2E1 play crucial roles in AA detoxification, so maintaining a healthy glutathione redox cycle is necessary for disposing of AA toxicity.
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Affiliation(s)
- Hala Mahfouz
- Department of Medical Biochemistry and Molecular Biology, Faculty of Medicine, Kafrelsheikh University, Egypt
| | - Naief Dahran
- Department of Anatomy, Faculty of Medicine, University of Jeddah, Jeddah, Saudi Arabia
| | | | | | - Mohamed M M Metwally
- Department of Pathology, Faculty of Veterinary Medicine, Zagazig University, Zagazig, 44511, Egypt
| | - Leena S Alqahtani
- Department of Biochemistry, College of Science, University of Jeddah, Jeddah, 23445, Saudi Arabia
| | - Hassan Abdelraheem Abdelmawlla
- Department of Anatomy, College of Medicine, Jouf University, Saudi Arabia; Anatomy and Embryology Department, College of Medicine, Beni-Suef University, Egypt
| | - Hazim A Wahab
- Histology Department, Faculty of Medicine, Menofiya University, Shebin El Kom, Egypt
| | - Ghalia Shamlan
- Department of Food Science and Nutrition, College of Food and Agriculture Sciences, King Saud University, Riyadh, 11362, Saudi Arabia
| | - Mohamed A Nassan
- Department of Clinical Laboratory Sciences, Turabah University College, Taif University, PO Box 11099,Taif, 21944, Saudi Arabia.
| | - Rasha A Gaber
- Medical Biochemistry Department, Faculty of Medicine, Tanta University, Egypt
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2
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Ligina V, Martin R, Aiswarya MV, Mashirin KR, Chitra KC. Acute and sublethal effects of acrylamide on the freshwater fish Anabas testudineus (Bloch, 1792). ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:90835-90851. [PMID: 35879632 DOI: 10.1007/s11356-022-22155-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Accepted: 07/19/2022] [Indexed: 06/15/2023]
Abstract
Acrylamide, a synthetic compound, has a wide range of industrial applications that find multiple ways to reach aquatic ecosystem. The median lethal concentration of acrylamide determined using probit analysis in the fish Anabas testudineus was 132 µg L-1 concentration together with altered behavioral patterns. Hematological and antioxidant status was evaluated at a sublethal concentration (one-tenth of LC50-96 h), i.e., 13.2 µg L-1 concentration for 24, 48, 72, and 96 h. A reduction in erythrocytes count, hemoglobin content, and packed cell volume with a significant (P < 0.05) increase in leukocyte counts and differential counts were observed. Erythrocyte indices like mean corpuscular volume (MCV) and mean corpuscular hemoglobin (MCH) increased, whereas the mean corpuscular hemoglobin concentration (MCHC) showed a significant (P < 0.05) decrease when compared with control groups. The activities of superoxide dismutase, catalase, and glutathione reductase in gill tissues showed significant (P < 0.05) reduction, whereas the levels of hydrogen peroxide and lipid peroxidation increased significantly (P < 0.05) indicating oxidative stress. The findings suggest that acrylamide at sublethal concentration caused alteration in hematological parameters and induced oxidative stress in gill tissue of the fish A. testudineus. Hence, restrictions on the use of acrylamide in food and industrial products are recommended since humans are the direct consumer of fish products.
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Affiliation(s)
- Velliyath Ligina
- Endocrinology and Toxicology Laboratory, Department of Zoology, University of Calicut, Malappuram District, Kerala, 673 635, India
| | - Ranjana Martin
- Endocrinology and Toxicology Laboratory, Department of Zoology, University of Calicut, Malappuram District, Kerala, 673 635, India
| | | | - Kajahussain Reeha Mashirin
- Endocrinology and Toxicology Laboratory, Department of Zoology, University of Calicut, Malappuram District, Kerala, 673 635, India
| | - Kumari Chidambaran Chitra
- Endocrinology and Toxicology Laboratory, Department of Zoology, University of Calicut, Malappuram District, Kerala, 673 635, India.
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3
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Gierej P, Radziszewski M, Miłoński P, Noszczyk B. Distal Hand Migration of Polyacrylamide Gel after Breast Augmentation: A Case Report and Review of the Literature. Indian J Plast Surg 2022; 56:178-181. [PMID: 37153342 PMCID: PMC10159694 DOI: 10.1055/s-0042-1756134] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
AbstractBreast augmentation is one of the most popular cosmetic surgery procedures in the world and it requires a comprehensive study of the methods performed. As less-invasive techniques are sought, tissue fillers have found its purpose in these procedures. However, it has been revealed that some of them may be associated with serious complications. One of them is the Aquafilling/Los Deline gel. A case report of a female patient who developed unprecedented sequelae after Aquafilling injection—distant migration of the gel in the hand—was presented in this study. The patient underwent total gel removal from the left forearm, arm, and both breasts as well as wound debridement and irrigation. We discovered a canal connecting the left breast to the left forearm, created by a polyacrylamide hydrogel dislocation. It was thoroughly revised using an endoscope. Despite the advantages of tissue fillers such as simplicity of use and less invasiveness, certain complications can occur after injection. Although a few of them have been banned due to these sequelae, new ones continue to appear. Every new product should be examined very carefully before it is introduced to the market.
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Affiliation(s)
- Piotr Gierej
- Department of Plastic Surgery, Prof. W. Orłowski Memorial Hospital, Centre of Postgraduate Medical Education, Czerniakowska, Warsaw, Poland
- Department of Breast Cancer and Reconstructive Surgery, Maria Sklodowska-Curie National Research Institute of Oncology, Warszawa, Poland
| | | | - Piotr Miłoński
- Department of Radiology, Prof. W. Orłowski Memorial Hospital, Centre of Postgraduate Medical Education, Czerniakowska, Warsaw, Poland
| | - Bartłomiej Noszczyk
- Department of Plastic Surgery, Prof. W. Orłowski Memorial Hospital, Centre of Postgraduate Medical Education, Czerniakowska, Warsaw, Poland
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Giannuzzi L, Bacciadone J, Salerno GL. A Promising Use of Trimethyl Chitosan for Removing Microcystis aeruginosa in Water Treatment Processes. Microorganisms 2022; 10:microorganisms10102052. [PMID: 36296328 PMCID: PMC9610100 DOI: 10.3390/microorganisms10102052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Revised: 10/12/2022] [Accepted: 10/12/2022] [Indexed: 11/16/2022] Open
Abstract
The increase in cyanobacterial blooms linked to climate change and the eutrophication of water bodies is a global concern. The harmful cyanobacterium Microcystis aeruginosa is one of the most common bloom-forming species whose removal from fresh water and, in particular, from that used for water treatment processes, remains a crucial goal. Different biodegradable and environmentally friendly coagulants/flocculants have been assayed, with chitosan showing a very good performance. However, chitosan in its original form is of limited applicability since it is only soluble in acid solution. The objective of this work was therefore to test the coagulant/flocculant capacity of trimethylchitosan (TMC), a chitosan derivative produced from residues of the fishing industry. TMC has a constitutively net positive charge enabling it to remain in solution regardless of the pH. Results show that even at alkaline pHs, common during cyanobacterial blooms, TMC is effective in removing buoyant cyanobacteria from the water column, both in test tube and Jar-Test experiments. Cell integrity was confirmed by fluorescent stain and electron microscopy. Our findings lead us to conclude that the use of TMC to remove bloom cells early in the treatment of drinking water is both feasible and promising.
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Affiliation(s)
- Leda Giannuzzi
- Centro de Investigación y Desarrollo en Criotecnología de Alimentos (CIDCA-CONICET), La Plata 1900, Argentina
- Correspondence:
| | - Julián Bacciadone
- Fundación Para Investigaciones Biológicas Aplicadas (FIBA), Vieytes 3103, Mar del Plata 7600, Argentina
| | - Graciela L. Salerno
- Fundación Para Investigaciones Biológicas Aplicadas (FIBA), Vieytes 3103, Mar del Plata 7600, Argentina
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5
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Kobets T, Smith BPC, Williams GM. Food-Borne Chemical Carcinogens and the Evidence for Human Cancer Risk. Foods 2022; 11:2828. [PMID: 36140952 PMCID: PMC9497933 DOI: 10.3390/foods11182828] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 09/07/2022] [Accepted: 09/08/2022] [Indexed: 11/16/2022] Open
Abstract
Commonly consumed foods and beverages can contain chemicals with reported carcinogenic activity in rodent models. Moreover, exposures to some of these substances have been associated with increased cancer risks in humans. Food-borne carcinogens span a range of chemical classes and can arise from natural or anthropogenic sources, as well as form endogenously. Important considerations include the mechanism(s) of action (MoA), their relevance to human biology, and the level of exposure in diet. The MoAs of carcinogens have been classified as either DNA-reactive (genotoxic), involving covalent reaction with nuclear DNA, or epigenetic, involving molecular and cellular effects other than DNA reactivity. Carcinogens are generally present in food at low levels, resulting in low daily intakes, although there are some exceptions. Carcinogens of the DNA-reactive type produce effects at lower dosages than epigenetic carcinogens. Several food-related DNA-reactive carcinogens, including aflatoxins, aristolochic acid, benzene, benzo[a]pyrene and ethylene oxide, are recognized by the International Agency for Research on Cancer (IARC) as causes of human cancer. Of the epigenetic type, the only carcinogen considered to be associated with increased cancer in humans, although not from low-level food exposure, is dioxin (TCDD). Thus, DNA-reactive carcinogens in food represent a much greater risk than epigenetic carcinogens.
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Affiliation(s)
- Tetyana Kobets
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY 10595, USA
| | - Benjamin P. C. Smith
- Future Ready Food Safety Hub, Nanyang Technological University, Singapore 639798, Singapore
| | - Gary M. Williams
- Department of Pathology, Microbiology and Immunology, New York Medical College, Valhalla, NY 10595, USA
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6
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Žilić S, Nikolić V, Mogol BA, Hamzalıoğlu A, Taş NG, Kocadağlı T, Simić M, Gökmen V. Acrylamide in Corn-Based Thermally Processed Foods: A Review. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:4165-4181. [PMID: 35357820 PMCID: PMC9011392 DOI: 10.1021/acs.jafc.1c07249] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/14/2023]
Abstract
Widely consumed thermally processed corn-based foods can have a great contribution to acrylamide dietary intake, thus bearing a high public health risk and requiring attention and application of strategies for its reduction. This paper reviews the literature on the acrylamide content of corn-based food products present in the market around the world. The potential of corn for acrylamide formation due to its content of free asparagine and reducing sugars is described. Human exposure to acrylamide from corn-based foods is also discussed. The content of acrylamide in corn/tortilla chips, popcorn, and corn flakes, as widely consumed products all over the world, is reported in the literature to be between 5 and 6360 μg/kg, between <LOD and 2220 μg/kg and between <LOD and 1186 μg/kg, respectively. Although these products are important acrylamide sources in the common diet of all age populations, higher intake values occurred among younger generations.
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Affiliation(s)
- Slađana Žilić
- Maize
Research Institute, Group of Food Technology
and Biochemistry, Slobodana
Bajića 1, 11185 Belgrad- Zemun, Serbia
| | - Valentina Nikolić
- Maize
Research Institute, Group of Food Technology
and Biochemistry, Slobodana
Bajića 1, 11185 Belgrad- Zemun, Serbia
| | - Burçe Ataç Mogol
- Food
Quality and Safety (FoQuS) Research Group, Department of Food Engineering, Hacettepe University, 06800 Beytepe, Ankara, Turkey
| | - Aytül Hamzalıoğlu
- Food
Quality and Safety (FoQuS) Research Group, Department of Food Engineering, Hacettepe University, 06800 Beytepe, Ankara, Turkey
| | - Neslihan Göncüoğlu Taş
- Food
Quality and Safety (FoQuS) Research Group, Department of Food Engineering, Hacettepe University, 06800 Beytepe, Ankara, Turkey
| | - Tolgahan Kocadağlı
- Food
Quality and Safety (FoQuS) Research Group, Department of Food Engineering, Hacettepe University, 06800 Beytepe, Ankara, Turkey
| | - Marijana Simić
- Maize
Research Institute, Group of Food Technology
and Biochemistry, Slobodana
Bajića 1, 11185 Belgrad- Zemun, Serbia
| | - Vural Gökmen
- Food
Quality and Safety (FoQuS) Research Group, Department of Food Engineering, Hacettepe University, 06800 Beytepe, Ankara, Turkey
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7
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Hashem MM, Abo-EL-Sooud K, Abd El-Hakim YM, Abdel-hamid Badr Y, El-Metwally AE, Bahy-EL-Dien A. The impact of long-term oral exposure to low doses of acrylamide on the hematological indicators, immune functions, and splenic tissue architecture in rats. Int Immunopharmacol 2022; 105:108568. [DOI: 10.1016/j.intimp.2022.108568] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2021] [Revised: 01/07/2022] [Accepted: 01/20/2022] [Indexed: 01/01/2023]
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8
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Kacar S, Sahinturk V, Tomsuk O, Kutlu HM. The effects of thymoquinone and quercetin on the toxicity of acrylamide in rat glioma cells. J Biochem Mol Toxicol 2022; 36:e22992. [DOI: 10.1002/jbt.22992] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2021] [Revised: 12/12/2021] [Accepted: 01/04/2022] [Indexed: 11/06/2022]
Affiliation(s)
- Sedat Kacar
- Department of Histology and Embryology, Faculty of Medicine Eskisehir Osmangazi University Eskisehir Turkey
| | - Varol Sahinturk
- Department of Histology and Embryology, Faculty of Medicine Eskisehir Osmangazi University Eskisehir Turkey
| | - Ozlem Tomsuk
- Department of Graduate School of Natural and Applied Sciences, Biotechnology and Biosafety Eskisehir Osmangazi University Eskisehir Turkey
| | - Hatice M. Kutlu
- Department of Biology, Faculty of Science Eskisehir Technical University Eskisehir Turkey
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9
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Furusawa G, Iwamoto K. Removal of Microcystis aeruginosa cells using the dead cells of a marine filamentous bacterium, Aureispira sp. CCB-QB1. PeerJ 2022; 10:e12867. [PMID: 35223202 PMCID: PMC8868019 DOI: 10.7717/peerj.12867] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2021] [Accepted: 01/10/2022] [Indexed: 01/10/2023] Open
Abstract
Inorganic and synthetic flocculants are widely investigated for removing harmful microalgae, such as Microcystis aeruginosa. However, their toxicity and non-biodegradability are shortcomings. Bioflocculants based on extracellular polysaccharides have attracted much attention as alternative flocculants. However, its high production cost is a limiting factor for applying bioflocculants. Here, we investigate the potential of the dead cells of a marine filamentous bacterium, Aureispira sp. CCB-QB1, as a novel flocculant on M. aeruginosa cells. The removal efficiency of M. aeruginosa cells by the dead cells was measured by mixing and shaking both components in a buffer with 5 mM CaCl2 in different incubation times and concentrations of the dead cells. After that, the minimum effective concentration of CaCl2 was determined. The combination effect of FeCl3 and the dead cells on the removal efficiency was tested. The structure of cell aggregates consisted of the dead cells and M. aeruginosa cells were also observed using a scanning electron microscope. The maximum removal efficiency (75.39%) was reached within 3 min in the presence of CaCl2 when 5 mg/ml of the dead cells (wet cells) were added. The optimal concentration of CaCl2 was 5 mM. The combination of the dead cells and a low concentration of FeCl3 (10 mg/L) with 5 mM of CaCl2 significantly improved the removal efficiency by about 1.2 times (P < 0.05). This result indicates that the combination usage of the dead cells can reduce the use of FeCl3. These results indicated that the dead cells could potentially be a novel biolfocculant to remove M. aeruginosa cells.
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Affiliation(s)
- Go Furusawa
- Centre for Chemical Biology, Universiti Sains Malaysia, Bayan Lepas, Penang, Malaysia
| | - Koji Iwamoto
- Malaysia-Japan International Institute of Technology, Kuala Lumpur, Wilayah Persekutuan Kuala Lumpur, Malaysia
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10
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Verma V, Yadav N. Acrylamide content in starch based commercial foods by using high performance liquid chromatography and its association with browning index. Curr Res Food Sci 2022; 5:464-470. [PMID: 35243358 PMCID: PMC8881641 DOI: 10.1016/j.crfs.2022.01.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 12/21/2021] [Accepted: 01/09/2022] [Indexed: 11/13/2022] Open
Abstract
The harmful effects of acrylamide (AA) are a major health concern for human beings. To find out the levels of AA content in commercial food products, 43 samples representing 3 important product categories (French fries, bakery biscuits, and branded biscuits) were procured from the local market in Allahabad, India. An assay of AA was done using HPLC-DAD. The LOD and LOQ for AA were 3.733 and 11.045 ng/μl, respectively. The AA recovery from ten standard solutions was 100.6 percent, indicating good extraction efficiency. Level of AA ranged between 144.35 and 781.17 μg/kg, 126.33-664.90 μg/kg, and 825.96-1143.15 μg/kg, in branded biscuits, bakery biscuits, and French fries, respectively. A strong and positive correlation of AA was found with HMF, a* value, BI and negatively with ΔE (P ≤ 0.01). It is concluded that a high browning index is significantly associated with AA content and can be used as a screening food to reduce the intake of AA in the diet.
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Affiliation(s)
- Vandana Verma
- Centre of Food Technology, IPS, Faculty of Science, University of Allahabad, 21100, U.P, India
| | - Neelam Yadav
- Centre of Food Technology, IPS, Faculty of Science, University of Allahabad, 21100, U.P, India
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11
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Yedier SK, Şekeroğlu ZA, Şekeroğlu V, Aydın B. Cytotoxic, genotoxic, and carcinogenic effects of acrylamide on human lung cells. Food Chem Toxicol 2022; 161:112852. [DOI: 10.1016/j.fct.2022.112852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/27/2022] [Accepted: 02/03/2022] [Indexed: 10/19/2022]
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12
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Iyer AM, Dadlani V, Pawar HA. Review on Acrylamide: A Hidden Hazard in
Fried Carbohydrate-Rich Food. CURRENT NUTRITION & FOOD SCIENCE 2022. [DOI: 10.2174/1573401318666220104124753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Abstract:
Acrylamide is classified as a hazard whose formation in carbohydrate-rich food cooked at a high temperature has created much interest in the scientific community. The review attempts to comprehend the chemistry and mechanisms of formation of acrylamide and its levels in popular foods. A detailed study of the toxicokinetic and biochemistry, carcinogenicity, neurotoxicity, genotoxicity, interaction with biomolecules, and its effects on reproductive health has been presented. The review outlines the various novel and low-cost conventional as well as newer analytical techniques for the detection of acrylamide in foods with the maximum permissible limits. Various effective approaches that can be undertaken in industries and households for the mitigation of levels of acrylamide in foods have also been discussed. This review will assist to provide in depth understanding about acrylamide that will make it simpler to assess the risk to human health from the consumption of foods containing low amounts of acrylamide.
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Affiliation(s)
- Aditya Manivannan Iyer
- Department of Pharmaceutical Chemistry, Dr. L. H. Hiranandani College of Pharmacy, University of Mumbai, Ulhasnagar, Maharashtra, India
| | - Vedika Dadlani
- Department of Pharmaceutical Chemistry, Dr. L. H. Hiranandani College of Pharmacy, University of Mumbai, Ulhasnagar, Maharashtra, India
| | - Harshal Ashok Pawar
- Department of Quality Assurance, Dr. L. H. Hiranandani College of Pharmacy, University of Mumbai, Ulhasnagar, Maharashtra, India
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13
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Zhang Y, Wang Q, Li Y, Cheng J, Chen X, Zhang Y. Comprehensive profile of DNA adducts as both tissue and urinary biomarkers of exposure to acrylamide and chemo-preventive effect of catechins in rats. CHEMOSPHERE 2022; 286:131852. [PMID: 34416594 DOI: 10.1016/j.chemosphere.2021.131852] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 08/06/2021] [Accepted: 08/08/2021] [Indexed: 06/13/2023]
Abstract
Two representative DNA adducts from acrylamide exposure, N7-(2-carbamoyl-2-hydroxyethyl) guanine (N7-GA-Gua) and N3-(2-carbamoyl-2-hydroxyethyl) adenine (N3-GA-Ade), are important long-term exposure biomarkers for evaluating genotoxicity of acrylamide. Catechins as natural antioxidants present in tea possess multiple health benefits, and may also have the potential to protect against acrylamide-induced DNA damage. The current study developed an ultra-high performance liquid chromatography tandem mass spectrometry (UHPLC-MS/MS) method for simultaneous analysis of N7-GA-Gua and N3-GA-Ade in tissues and urine. The validated UHPLC-MS/MS method showed high sensitivity, with limit of detection and limit of quantification ranging 0.2-0.8 and 0.5-1.5 ng/mL, respectively, and achieved qualified precision (RSD<14.0%) and spiking recovery (87.2%-110.0%) with elution within 6 min, which was suitable for the analysis of the two DNA adducts in different matrices. The levels of N7-GA-Gua and N3-GA-Ade ranged 0.9-11.9 and 0.6-3.5 μg/g creatinine in human urine samples, respectively. To investigate the interventional effects of catechins on the two DNA adducts from acrylamide exposure, rats were supplemented with three types of catechins (tea polyphenols, epigallocatechin gallate, and epicatechin) 30 min before administration with acrylamide. Our results showed that catechins effectively inhibited the formation of DNA adducts from acrylamide exposure in both urine and tissues of rats. Among three catechins, epicatechin performed the best inhibitory effect. The current study provided evidence for the chemo-preventive effect of catechins, indicating that dietary supplement of catechins may contribute to health protection against exposure to acrylamide.
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Affiliation(s)
- Yiju Zhang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Qiao Wang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Yaoran Li
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Jun Cheng
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Xinyu Chen
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, Zhejiang, China
| | - Yu Zhang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, 310058, Zhejiang, China.
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14
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Sirajuddin, Tagar ZA, Ul Haq MA, Shah MR, Mujeeb-ur-Rehman, Sherazi STH, Barek J, Kalhoro MS. Highly Sensitive Voltammetric Determination of Acrylamide Based on Ibuprofen Capped Mercury Nanoparticles. SENSORS (BASEL, SWITZERLAND) 2021; 21:7302. [PMID: 34770608 PMCID: PMC8587918 DOI: 10.3390/s21217302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/20/2021] [Accepted: 10/28/2021] [Indexed: 11/26/2022]
Abstract
Highly stable, small-sized and evenly distributed solid mercury nanoparticles capped with ibuprofen (Ibu-HgNPs) were prepared via reduction with hydrazine and capped with ibuprofen as a stabilizing agent. Characterization of Ibu-HgNPs was carried out by UV-Vis spectrophotometry and transmission electron microscopy (TEM). The prepared Ibu-HgNPs were immobilized onto a glassy carbon electrode (GCE) and used for the first time as the sensing element for voltammetric determination of low concentrations of acrylamide (AA) in aqueous solutions. Various parameters such as the type of supporting electrolyte, voltammetric mode, frequency, deposition time, stirring rate and initial potential were optimized to obtain the highest peak current of AA. The sensor delivered the best results in combination with the square wave voltammetry (SWV) mode, with good repeatability (relative standard deviation (RSD) of 25 repetitions was 1.4% for 1000 ppb AA). The study further revealed that Ibu-HgNPs are strongly adhered to GCE and hence do not contaminate the environment even after several runs. The newly developed AA sensor provides linear calibration dependence in the range of 100-1300 ppb with an R2 value of 0.996 and limit of detection (LOD) of 8.5 ppb. Negligible interference was confirmed from several organic compounds, cations and anions. The developed sensor was successfully applied for AA determination in various types of environmental real water samples to prove its practical usefulness and applicability.
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Affiliation(s)
- Sirajuddin
- International Center for Chemical and Biological Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi 75270, Pakistan; (S.); (M.A.U.H.); (M.R.S.); (M.-u.-R.)
| | - Zulfiqar Ali Tagar
- National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro 76080, Pakistan; (Z.A.T.); (S.T.H.S.)
| | - Muhammad Anwar Ul Haq
- International Center for Chemical and Biological Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi 75270, Pakistan; (S.); (M.A.U.H.); (M.R.S.); (M.-u.-R.)
| | - Muhammad Raza Shah
- International Center for Chemical and Biological Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi 75270, Pakistan; (S.); (M.A.U.H.); (M.R.S.); (M.-u.-R.)
| | - Mujeeb-ur-Rehman
- International Center for Chemical and Biological Sciences, HEJ Research Institute of Chemistry, University of Karachi, Karachi 75270, Pakistan; (S.); (M.A.U.H.); (M.R.S.); (M.-u.-R.)
| | - Syed Tufail Hussain Sherazi
- National Center of Excellence in Analytical Chemistry, University of Sindh, Jamshoro 76080, Pakistan; (Z.A.T.); (S.T.H.S.)
| | - Jiri Barek
- UNESCO Laboratory of Environmental Electrochemistry, Department of Analytical Chemistry, Faculty of Science, Charles University, Albertov 6, CZ-15843 Prague, Czech Republic
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15
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Kacar S, Sahinturk V. The Protective Agents Used against Acrylamide Toxicity: An In Vitro Cell Culture Study-Based Review. CELL JOURNAL 2021; 23:367-381. [PMID: 34455711 PMCID: PMC8405082 DOI: 10.22074/cellj.2021.7286] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/14/2019] [Accepted: 01/19/2020] [Indexed: 01/23/2023]
Abstract
Acrylamide is a dangerous electrophile with the potency to react with many biological moieties including proteins, and nucleic acids as well as other macromolecules. Acrylamide was first only known a chemical exposed in working areas as a neurotoxicant, it was later discovered that beyond just being a neurotoxicant exposed in industrial areas, acrylamide is exposed via daily foods as well. As such, several strategies have been sought to be developed to relieve the toxic spectrum of this chemical. The utilization of a protective agent against acrylamide toxicity was one of those strategies. To date, many agents with protective potency have been investigated. Herein, we compiled these agents and their effects shown in in vitro studies. We used the search engines of Web of Knowledge and searched the keywords "acrylamide" and "protect" in the titles along with the keyword "cell" in the topics. Twenty-one directly related articles out of 35 articles were examined. Briefly, all agents used against acrylamide were reported to exhibit protective activity. In most of these reports, 5 mM concentration of acrylamide and 24-hour treatment were the employed dose and duration. Usually, the beneficial agents were pre-treated to the cells. PC12 cells were the most utilized cell line, and the mitogen-activated protein kinase (MAPK) and nuclear factor erythroid 2-related factor 2 (NRF2) pathways were the most studied pathways. This study, beside other importance, can be utilized as a guide for how the protective studies against acrylamide were done and which parameters were investigated in in vitro acrylamide studies. In conclusion, taking measures is of utmost importance to prevent or alleviate the toxicity of acrylamide, to which we are daily exposed even in our homes. Therefore, future studies should persist in focusing on mitigating acrylamide toxicity.
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Affiliation(s)
- Sedat Kacar
- Department of Histology and Embryology, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey.
| | - Varol Sahinturk
- Department of Histology and Embryology, Faculty of Medicine, Eskisehir Osmangazi University, Eskisehir, Turkey
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16
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Sun Y, Zhang S, Jin B, Cheng S. Efficient degradation of polyacrylamide using a 3-dimensional ultra-thin SnO 2-Sb coated electrode. JOURNAL OF HAZARDOUS MATERIALS 2021; 416:125907. [PMID: 34492842 DOI: 10.1016/j.jhazmat.2021.125907] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/19/2021] [Revised: 04/13/2021] [Accepted: 04/13/2021] [Indexed: 06/13/2023]
Abstract
Polyacrylamide (PAM) is widely used in polymer flooding processes to increase oil recovery while the byproduct of PAM-containing wastewater is a serious environmental issue. In this study, electrochemical oxidation process (EAOP) was applied for treating PAM wastewater using a new type of 3-dimensional ultra-thin SnO2-Sb electrode. Nano-sized catalysts were evenly dispersed both on the surface and inside of a porous Ti filter forming nano-thickness catalytic layer that enhances the utilization and bonding of catalysts. This porous Ti electrode showed 20% improved OH· production and 16.3 times increased accelerated service life than the planar Ti electrode. Using this electrode to treat 100 mg L-1 PAM, the TOC removal efficiency reached over 99% within 3 h under current density of 20 mA cm-2. The EAOP could fastly break the long-chain PAM molecules into small molecular intermediates. With the porous electrode treating 5 g L-1 PAM under current density of 30 mA cm-2, EAOP reduced 94.2% of average molecular weight in 1 h and 92.0% of solution viscosity in 0.5 h. Moreover, the biodegradability of PAM solution was significantly improved as the solution BOD5/COD ratio raised from 0.05 to 0.41 after 4 h treatment. The degradation pathway of PAM was also investigated.
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Affiliation(s)
- Yi Sun
- State Key Laboratory of Clean Energy, Department of Energy Engineering, Zhejiang University, Hangzhou 310027, PR China; PowerChina Huadong Engineering Co. Ltd., Hangzhou 310014, PR China
| | - Shudi Zhang
- School of Life Sciences, Anhui University, Anhui 230601, PR China
| | - Beichen Jin
- State Key Laboratory of Clean Energy, Department of Energy Engineering, Zhejiang University, Hangzhou 310027, PR China
| | - Shaoan Cheng
- State Key Laboratory of Clean Energy, Department of Energy Engineering, Zhejiang University, Hangzhou 310027, PR China.
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17
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Pérez-López AJ, Noguera-Artiaga L, López-Miranda González S, Gómez-San Miguel P, Ferrández B, Carbonell-Barrachina ÁA. Acrylamide content in French fries prepared with vegetable oils enriched with β-cyclodextrin or β-cyclodextrin-carvacrol complexes. Lebensm Wiss Technol 2021. [DOI: 10.1016/j.lwt.2021.111765] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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18
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Nrf2 Activation Attenuates Acrylamide-Induced Neuropathy in Mice. Int J Mol Sci 2021; 22:ijms22115995. [PMID: 34206048 PMCID: PMC8199319 DOI: 10.3390/ijms22115995] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2021] [Revised: 05/29/2021] [Accepted: 05/30/2021] [Indexed: 01/18/2023] Open
Abstract
Acrylamide is a well characterized neurotoxicant known to cause neuropathy and encephalopathy in humans and experimental animals. To investigate the role of nuclear factor erythroid 2-related factor 2 (Nrf2) in acrylamide-induced neuropathy, male C57Bl/6JJcl adult mice were exposed to acrylamide at 0, 200 or 300 ppm in drinking water and co-administered with subcutaneous injections of sulforaphane, a known activator of the Nrf2 signaling pathway at 0 or 25 mg/kg body weight daily for 4 weeks. Assessments for neurotoxicity, hepatotoxicity, oxidative stress as well as messenger RNA-expression analysis for Nrf2-antioxidant and pro-inflammatory cytokine genes were conducted. Relative to mice exposed only to acrylamide, co-administration of sulforaphane protected against acrylamide-induced neurotoxic effects such as increase in landing foot spread or decrease in density of noradrenergic axons as well as hepatic necrosis and hemorrhage. Moreover, co-administration of sulforaphane enhanced acrylamide-induced mRNA upregulation of Nrf2 and its downstream antioxidant proteins and suppressed acrylamide-induced mRNA upregulation of tumor necrosis factor alpha (TNF-α) and inducible nitric oxide synthase (iNOS) in the cerebral cortex. The results demonstrate that activation of the Nrf2 signaling pathway by co-treatment of sulforaphane provides protection against acrylamide-induced neurotoxicity through suppression of oxidative stress and inflammation. Nrf2 remains an important target for the strategic prevention of acrylamide-induced neurotoxicity.
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19
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Shao X, Xu B, Chen C, Li P, Luo H. The function and mechanism of lactic acid bacteria in the reduction of toxic substances in food: a review. Crit Rev Food Sci Nutr 2021; 62:5950-5963. [PMID: 33683156 DOI: 10.1080/10408398.2021.1895059] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
N-nitrosamines, heterocyclic amines, polycyclic aromatic hydrocarbons, biogenic amines, and acrylamide are widely distributed and some of the most toxic substances detected in foods. Hence, reduction of these substances has attracted worldwide attention. Lactic acid bacteria (LAB) inoculation has been found to be an effective way to reduce these toxic substances. In this paper, the reduction of toxic substances by LAB and its underlying mechanisms have been described through the review of recent studies. LAB aids this reduction via different mechanisms. First, it can directly decrease these harmful substances through adsorption or degradation. Peptidoglycans on the cell wall of LAB can bind to heterocyclic amines, acrylamide, and polycyclic aromatic hydrocarbons. Second, LAB can indirectly decrease the content of toxic substances by reducing their precursors. Third, antioxidant properties of LAB also contribute to the reduction in toxic substances. Finally, LAB can suppress the growth of amino acid decarboxylase-positive bacteria, thus reducing the accumulation of biogenic amines and N-nitrosamines. Therefore, LAB can contribute to the decrease in toxic substances in food and improve food safety. Further research on increasing the reduction efficiency of LAB and deciphering the mechanisms at a molecular level needs to be carried out to obtain the complete picture.
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Affiliation(s)
- Xuefei Shao
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei, China.,School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Baocai Xu
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei, China.,School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Conggui Chen
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei, China.,School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Peijun Li
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei, China.,School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
| | - Huiting Luo
- China Light Industry Key Laboratory of Meat Microbial Control and Utilization, Hefei University of Technology, Hefei, China.,School of Food and Biological Engineering, Hefei University of Technology, Hefei, China
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20
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Effect of sampling time on somatic and germ cell mutations induced by acrylamide in gpt delta mice. Genes Environ 2021; 43:4. [PMID: 33597036 PMCID: PMC7890838 DOI: 10.1186/s41021-021-00175-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2020] [Accepted: 02/02/2021] [Indexed: 12/02/2022] Open
Abstract
Background Acrylamide (AA) is a rodent carcinogen and classified by the IARC into Group 2A (probable human carcinogen). AA has been reported to induce mutations in transgenic rodent gene mutation assays (TGR assays), the extent of which is presumed to depend on exposure length and the duration of expression after exposure. In particular, it is not clear in germ cells. To investigate mutagenicity with AA in somatic and germ cells at different sampling times, we conducted TGR assays using gpt delta transgenic mice. Results The male gpt delta mice at 8 weeks of age were treated with AA at 7.5, 15 and 30 mg/kg/day by gavage for 28 days. Peripheral blood was sampled on the last day of the treatment for micronucleus tests and tissues were sampled for gene mutation assays at day 31 and day 77, those being 3 and 49 days after the final treatment (28 + 3d and 28 + 49d), respectively. Another group of mice was treated with N-Ethyl-N-nitrosourea (ENU) at 50 mg/kg/day by intraperitoneal administration for 5 consecutive days and tissues were sampled at the day 31 and day 77 (5 + 26d and 5 + 72d). Frequencies of micronucleated erythrocytes in the peripheral blood significantly increased at AA doses of 15 and 30 mg/kg/day. Two- to three-fold increases in gpt mutation frequencies (MFs) compared to vehicle control were observed in the testes and lung treated with 30 mg/kg/day of AA at both sampling time. In the sperm, the gpt MFs and G:C to T:A transversions were significantly increased at 28 + 3d, but not at 28 + 49d. ENU induced gpt mutations in these tissues were examined at both 5 + 26d and 5 + 72d. A higher mutant frequency in the ENU-treated sperm was observed at 5 + 72d than that at 5 + 26d. Conclusions The gpt MFs in the testes, sperm and lung of the AA-treated mice were determined and compared between different sampling times (3 days or 49 days following 28 day-treatment). These results suggest that spermatogonial stem cells are less sensitive to AA mutagenicity under the experimental condition. Prolonged expression time after exposure to AA to detect mutagenicity may be effective in somatic cells but not in germ cells. Supplementary Information The online version contains supplementary material available at 10.1186/s41021-021-00175-5.
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21
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Zhu F, Wang J, Jiao J, Zhang Y. Exposure to acrylamide induces skeletal developmental toxicity in zebrafish and rat embryos. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 271:116395. [PMID: 33418285 DOI: 10.1016/j.envpol.2020.116395] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 12/16/2020] [Accepted: 12/22/2020] [Indexed: 06/12/2023]
Abstract
Acrylamide is a well-known carcinogen and neurotoxic substance that has been discovered in frying or baking carbohydrate-rich foods and is widely found in soils and groundwater. The purpose of this study was to investigate the adverse effects of exposure to acrylamide on skeletal development. After treatment with acrylamide in zebrafish embryos, the survival and hatching rates decreased, and the body length shortened, with cartilage malformation and a decrease in skeletal area. Exposure to acrylamide in maternal rats during the lactation period disturbed bone mineral density, serum levels of parathyroid hormone, and the expression of skeletal development-related genes in neonates. Exposure to acrylamide in pregnant rats during the pregnancy period decreased the trabecular density and inhibited cartilage formation by delaying the differentiation of osteoblasts and promoting the maturation of osteoclasts in rat embryos. Furthermore, acrylamide intervention downregulated the expression of chondrocyte and osteoblast differentiation-related genes (sox9a, bmp2, col2a1, and runx2), and upregulated the expression of osteoclast marker genes (rankl and mcsf) in zebrafish and rat embryos at different gestational stages. Our results indicated that exposure to acrylamide dysregulated signature gene and protein expression profiles of skeletal development by suppressing the differentiation and maturation of osteoblasts and cartilage matrix and promoting the formation of osteoclasts, and ultimately induced skeletal abnormality in morphology, which brings increasing attention to the intergenerational toxicity of acrylamide via mother-to-child transmission.
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Affiliation(s)
- Fanghuan Zhu
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jun Wang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, China
| | - Jingjing Jiao
- Department of Nutrition and Food Hygiene, School of Public Health, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yu Zhang
- National Engineering Laboratory of Intelligent Food Technology and Equipment, Zhejiang Key Laboratory for Agro-Food Processing, Fuli Institute of Food Science, College of Biosystems Engineering and Food Science, Zhejiang University, Hangzhou, Zhejiang, China.
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22
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Salimi A, Pashaei R, Bohlooli S, Vaghar-Moussavi M, Pourahmad J. Analysis of the acrylamide in breads and evaluation of mitochondrial/lysosomal protective agents to reduce its toxicity in vitro model. TOXIN REV 2020. [DOI: 10.1080/15569543.2020.1859543] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Ahmad Salimi
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
- Traditional Medicine and Hydrotherapy Research Center, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Rafat Pashaei
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
- Faculty of Pharmacy, Students Research Committee, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Shahab Bohlooli
- Department of Pharmacology and Toxicology, School of Pharmacy, Ardabil University of Medical Sciences, Ardabil, Iran
| | - Mehrdad Vaghar-Moussavi
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Jalal Pourahmad
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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23
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Bušová M, Bencko V, Veszelits Laktičová K, Holcátová I, Vargová M. Risk of exposure to acrylamide. Cent Eur J Public Health 2020; 28 Suppl:S43-S46. [PMID: 33069180 DOI: 10.21101/cejph.a6177] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2020] [Accepted: 07/15/2020] [Indexed: 11/15/2022]
Abstract
OBJECTIVES Acrylamide is a toxic compound that can be found it both occupational and non-occupational environments. This study focuses on its sources and health effects of its exposure. METHODS Adverse effects of acrylamide, especially carcinogenic, genotoxic, and teratogenic were reported in many studies conducted on animals. Neurotoxicity was reported in workers exposed to acrylamide in the occupational environment. Another important source of populations' exposure to acrylamide is their nutrition. RESULTS This study focuses on humans' exposure to acrylamide from various sources and its harmful effects on their health. CONCLUSIONS Dietary intake of acrylamide, as well as occupational exposure, cigarette smoking, cosmetics usage and other environmental sources could have a significant effect on human health.
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Affiliation(s)
- Milena Bušová
- Institute of Hygiene and Epidemiology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic
| | - Vladimír Bencko
- Institute of Hygiene and Epidemiology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic
| | - Katarína Veszelits Laktičová
- Department of the Environment, Veterinary Legislation and Economy, University of Veterinary Medicine and Pharmacy, Kosice, Slovak Republic
| | - Ivana Holcátová
- Institute of Hygiene and Epidemiology, First Faculty of Medicine, Charles University and General University Hospital in Prague, Prague, Czech Republic
| | - Mária Vargová
- Department of the Environment, Veterinary Legislation and Economy, University of Veterinary Medicine and Pharmacy, Kosice, Slovak Republic
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24
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Gallo M, Ferrara L, Calogero A, Montesano D, Naviglio D. Relationships between food and diseases: What to know to ensure food safety. Food Res Int 2020; 137:109414. [DOI: 10.1016/j.foodres.2020.109414] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2020] [Revised: 05/21/2020] [Accepted: 06/04/2020] [Indexed: 02/07/2023]
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25
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Nehlig A, Cunha RA. The Coffee-Acrylamide Apparent Paradox: An Example of Why the Health Impact of a Specific Compound in a Complex Mixture Should Not Be Evaluated in Isolation. Nutrients 2020; 12:E3141. [PMID: 33066651 PMCID: PMC7602460 DOI: 10.3390/nu12103141] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 10/01/2020] [Accepted: 10/10/2020] [Indexed: 12/18/2022] Open
Abstract
The health implications of acrylamide in food are a matter of concern based on toxicological studies in rodents, which showed that doses of acrylamide more than 100 times higher than those estimated to result from dietary exposure in humans are carcinogenic; however, the cancer types reported in rodents are species-specific, and whether these results can be extrapolated to humans is still in question. In fact, human epidemiological studies revealed a general lack of association between dietary acrylamide exposure and the incidence of different cancer types. Even occupational exposure to acrylamide, resulting in acrylamide exposure nearly 10 times higher than dietary exposure, did not increase tumor occurrence. Furthermore, the consumption of coffee, which is a main contributor of dietary acrylamide exposure, actually decreases the overall incidence of cancer in humans and afford global health benefits, increasing both lifespan and healthspan on ageing. This paradox clearly illustrates the risk of evaluating an individual molecule independently of its complete food matrix, which may have other components that completely override the effects of the considered molecule.
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Affiliation(s)
- Astrid Nehlig
- INSERM U 1129, Pediatric Neurology, Necker-Enfants Malades Hospital, University of Paris Descartes, 75015 Paris, France;
- Faculty of Medicine, INSERM U 1129, 67000 Strasbourg, France
| | - Rodrigo A. Cunha
- CNC-Center for Neurosciences and Cell Biology, University of Coimbra, 3004-504 Coimbra, Portugal
- Faculty of Medicine, University of Coimbra, 3004-504 Coimbra, Portugal
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26
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Attoff K, Johansson Y, Cediel-Ulloa A, Lundqvist J, Gupta R, Caiment F, Gliga A, Forsby A. Acrylamide alters CREB and retinoic acid signalling pathways during differentiation of the human neuroblastoma SH-SY5Y cell line. Sci Rep 2020; 10:16714. [PMID: 33028897 PMCID: PMC7541504 DOI: 10.1038/s41598-020-73698-6] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Accepted: 09/21/2020] [Indexed: 01/06/2023] Open
Abstract
Acrylamide (ACR) is a known neurotoxicant which crosses the blood–brain barrier, passes the placenta and has been detected in breast milk. Hence, early-life exposure to ACR could lead to developmental neurotoxicity. The aim of this study was to elucidate if non-cytotoxic concentrations of ACR alter neuronal differentiation by studying gene expression of markers significant for neurodevelopment in the human neuroblastoma SH-SY5Y cell model. Firstly, by using RNASeq we identified two relevant pathways that are activated during 9 days of retinoic acid (RA) induced differentiation i.e. RA receptor (RAR) activation and the cAMP response element-binding protein (CREB) signalling pathways. Next, by qPCR we showed that 1 and 70 µM ACR after 9 days exposure alter the expression of 13 out of 36 genes in the RAR activation pathway and 18 out of 47 in the CREB signalling pathway. Furthermore, the expression of established neuronal markers i.e. BDNF, STXBP2, STX3, TGFB1 and CHAT were down-regulated. Decreased protein expression of BDNF and altered ratio of phosphorylated CREB to total CREB were confirmed by western blot. Our results reveal that micromolar concentrations of ACR sustain proliferation, decrease neurite outgrowth and interfere with signalling pathways involved in neuronal differentiation in the SH-SY5Y cell model.
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Affiliation(s)
- Kristina Attoff
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
| | - Ylva Johansson
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
| | - Andrea Cediel-Ulloa
- Unit of Toxicology Sciences, Swedish Toxicology Sciences Research Center (Swetox), Karolinska Institutet, Södertälje, Sweden.,Department for organismal biology, Uppsala University, Uppsala, Sweden
| | - Jessica Lundqvist
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden.,Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden
| | - Rajinder Gupta
- Department of Toxicogenomics, School of Oncology and Developmental Biology (GROW), Maastricht University, Maastricht, The Netherlands
| | - Florian Caiment
- Department of Toxicogenomics, School of Oncology and Developmental Biology (GROW), Maastricht University, Maastricht, The Netherlands
| | - Anda Gliga
- Unit of Toxicology Sciences, Swedish Toxicology Sciences Research Center (Swetox), Karolinska Institutet, Södertälje, Sweden
| | - Anna Forsby
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden. .,Department for organismal biology, Uppsala University, Uppsala, Sweden.
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27
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Starlin Z, Harahap Y, S Sitepu E. Method Validation of Acrylamide in Dried Blood Spot by Liquid Chromatography-tandem Mass Spectrometry. Pak J Biol Sci 2020; 23:1321-1331. [PMID: 32981266 DOI: 10.3923/pjbs.2020.1321.1331] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND AND OBJECTIVE Acrylamide (AA) is a carcinogenic substance that is easily found in working environment, food, contaminated air and tobacco smoke. This substance can be distributed rapidly through all body compartments. The aim of this study is to get the method for determining acrylamide in dried blood spot. MATERIALS AND METHODS Dried blood spot was used as the bio-sampling method and was optimized and validated by using propranolol as the internal standard. The sample was prepared using a protein precipitation technique optimized. Reversed-phase chromatography with Acquity® UPLC BEH C18 column (1.7, 2.1× 100 mm) was used for compound separation. RESULTS Optimized analytical condition for this substance was eluted with the flow rate of 0.20 mL/min under a gradient of the mobile phase of 0.1% formic acid in water and acetonitrile within 3 min. Triple quadrupole mass spectrometry with electrospray ionization (ESI) in positive mode was used as quantification analysis. The Multiple Reaction Monitoring (MRM) was set at m/z 71.99>55.23 (m/z) for acrylamide and 260.2>116.2 (m/z) for propranolol. The range of concentration was linear within 2.5-100 μg mL-1. CONCLUSION All the validation parameters were fulfilled the criteria in US FDA Guideline for Bioanalytical Method Validation 2018.
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Characterization of a novel type I l-asparaginase from Acinetobacter soli and its ability to inhibit acrylamide formation in potato chips. J Biosci Bioeng 2020; 129:672-678. [DOI: 10.1016/j.jbiosc.2020.01.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2019] [Revised: 12/28/2019] [Accepted: 01/26/2020] [Indexed: 12/20/2022]
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Rifai L, Saleh FA. A Review on Acrylamide in Food: Occurrence, Toxicity, and Mitigation Strategies. Int J Toxicol 2020; 39:93-102. [PMID: 32013673 DOI: 10.1177/1091581820902405] [Citation(s) in RCA: 117] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/08/2022]
Abstract
Acrylamide (AA) is a food contaminant present in a wide range of frequently consumed foods, which makes human exposure to this toxicant unfortunately unavoidable. However, efforts to reduce the formation of AA in food have resulted in some success. This review aims to summarize the occurrence of AA and the potential mitigation strategies of its formation in foods. Formation of AA in foods is mainly linked to Maillard reaction, which is the first feasible route that can be manipulated to reduce AA formation. Furthermore, manipulating processing conditions such as time and temperature of the heating process, and including certain preheating treatments such as soaking and blanching, can further reduce AA formation. Due to the high exposure to AA, recognition of its toxic effect is necessary, especially in developing countries where awareness about AA health risks is still very low. Therefore, this review also focuses on the different toxic effects of AA exposure, including neurotoxicity, genotoxicity, carcinogenicity, reproductive toxicity, hepatotoxicity, and immunotoxicity.
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Affiliation(s)
- Lubna Rifai
- Department of Nutrition & Dietetics, Faculty of Health Sciences, Beirut Arab University, Beirut, Lebanon
| | - Fatima A Saleh
- Department of Medical Laboratory Sciences, Faculty of Health Sciences, Beirut Arab University, Beirut, Lebanon
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Kunnel SG, Subramanya S, Satapathy P, Sahoo I, Zameer F. Acrylamide Induced Toxicity and the Propensity of Phytochemicals in Amelioration: A Review. Cent Nerv Syst Agents Med Chem 2020; 19:100-113. [PMID: 30734688 DOI: 10.2174/1871524919666190207160236] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2018] [Revised: 01/19/2019] [Accepted: 01/29/2019] [Indexed: 12/11/2022]
Abstract
Acrylamide is widely found in baked and fried foods, produced in large amount in industries and is a prime component in toxicity. This review highlights various toxicities that are induced due to acrylamide, its proposed mode of action including oxidative stress cascades and ameliorative mechanisms using phytochemicals. Acrylamide formation, the mechanism of toxicity and the studies on the role of oxidative stress and mitochondrial dysfunctions are elaborated in this paper. The various types of toxicities caused by Acrylamide and the modulation studies using phytochemicals that are carried out on various type of toxicity like neurotoxicity, hepatotoxicity, cardiotoxicity, immune system, and skeletal system, as well as embryos have been explored. Lacunae of studies include the need to explore methods for reducing the formation of acrylamide in food while cooking and also better modulators for alleviating the toxicity and associated dysfunctions along with identifying its molecular mechanisms.
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Affiliation(s)
- Shinomol George Kunnel
- Department of Biotechnology, Dayananda Sagar College of Engineering (An Autonomous Institute Affiliated to VTU, Belagavi), Shavige Malleshwara Hills, Kumaraswamy Layout, Bengaluru - 560 078, Karnataka, India
| | - Sunitha Subramanya
- Department of Biotechnology, Dayananda Sagar College of Engineering (An Autonomous Institute Affiliated to VTU, Belagavi), Shavige Malleshwara Hills, Kumaraswamy Layout, Bengaluru - 560 078, Karnataka, India
| | - Pankaj Satapathy
- Department of Biological Sciences, School of Basic and Applied Sciences, Dayananda Sagar University, Shavige Malleshwara Hills, Kumaraswamy Layout, Bengaluru-560 078, Karnataka, India
| | - Ishtapran Sahoo
- Molecular Biology, Thermo Fisher Scientific, Bangalore- 560066, India
| | - Farhan Zameer
- Department of Biological Sciences, School of Basic and Applied Sciences, Dayananda Sagar University, Shavige Malleshwara Hills, Kumaraswamy Layout, Bengaluru-560 078, Karnataka, India
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Nowak A, Zakłos-Szyda M, Żyżelewicz D, Koszucka A, Motyl I. Acrylamide Decreases Cell Viability, and Provides Oxidative Stress, DNA Damage, and Apoptosis in Human Colon Adenocarcinoma Cell Line Caco-2. Molecules 2020; 25:molecules25020368. [PMID: 31963203 PMCID: PMC7024287 DOI: 10.3390/molecules25020368] [Citation(s) in RCA: 38] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 01/10/2020] [Accepted: 01/14/2020] [Indexed: 11/16/2022] Open
Abstract
Acrylamide (AA) toxicity remains an interesting subject in toxicological research. The aim of the research performed in this paper was to determine mechanisms of cyto- and genotoxic effects of AA on the human colon adenocarcinoma cell line Caco-2, to estimate the inhibitory concentration (IC)50 values in cell viability assays, to measure the basal and oxidative DNA damage as well as the oxidative stress leading to apoptosis, and to assess the morphological changes in cells using microscopic methods. It has been proven that AA induces cytotoxic and genotoxic effects on Caco-2 cells. Higher cytotoxic activity was gained in the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay compared with the PrestoBlue assay, with IC50 values of 5.9 and 8.9 mM after 24 h exposure, respectively. In the single-cell gel electrophoresis assay, the greatest DNA damage was caused by the highest concentration of acrylamide equal to 12.5 mM (89.1% ± 0.9%). AA also induced oxidative DNA damage and generated reactive oxygen species (ROS), which was concentration dependent and correlated with the depletion of mitochondrial membrane potential and apoptosis induction. In the microscopic staining of cells, AA in the dosage close to the IC50 induced morphological changes typical for apoptosis. Taken together, these results demonstrate that AA has a pro-oxidative effect on Caco-2 cells, leading to apoptotic cell death.
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Affiliation(s)
- Adriana Nowak
- Department of Environmental Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wólczańska 171/173, 90-924 Łódź, Poland; (A.K.); (I.M.)
- Correspondence:
| | - Małgorzata Zakłos-Szyda
- Institute of Molecular and Industrial Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 4/10, 90-924 Łódź, Poland;
| | - Dorota Żyżelewicz
- Institute of Food Technology and Analysis, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Stefanowskiego 4/10, 90-924 Łódź, Poland;
| | - Agnieszka Koszucka
- Department of Environmental Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wólczańska 171/173, 90-924 Łódź, Poland; (A.K.); (I.M.)
| | - Ilona Motyl
- Department of Environmental Biotechnology, Faculty of Biotechnology and Food Sciences, Lodz University of Technology, Wólczańska 171/173, 90-924 Łódź, Poland; (A.K.); (I.M.)
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Marchetti F, Douglas GR, Yauk CL. A Return to the Origin of the EMGS: Rejuvenating the Quest for Human Germ Cell Mutagens and Determining the Risk to Future Generations. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2020; 61:42-54. [PMID: 31472026 DOI: 10.1002/em.22327] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/29/2019] [Revised: 08/21/2019] [Accepted: 08/28/2019] [Indexed: 05/23/2023]
Abstract
Fifty years ago, the Environmental Mutagen Society (now Environmental Mutagenesis and Genomics Society) was founded with a laser-focus on germ cell mutagenesis and the protection of "our most vital assets"-the sperm and egg genomes. Yet, five decades on, despite the fact that many agents have been demonstrated to induce inherited changes in the offspring of exposed laboratory rodents, there is no consensus on whether human germ cell mutagens exist. We argue that it is time to reevaluate the available data and conclude that we already have evidence for the existence of environmental exposures that impact human germ cells. What is missing are definite data to demonstrate a significant increase in de novo mutations in the offspring of exposed parents. We believe that with over two decades of research advancing knowledge and technologies in genomics, we are at the cusp of generating data to conclusively show that environmental exposures cause heritable de novo changes in the human offspring. We call on the research community to harness our technologies, synergize our efforts, and return to our Founders' original focus. The next 50 years must involve collaborative work between clinicians, epidemiologists, genetic toxicologists, genomics experts and bioinformaticians to precisely define how environmental exposures impact germ cell genomes. It is time for the research and regulatory communities to prepare to interpret the coming outpouring of data and develop a framework for managing, communicating and mitigating the risk of exposure to human germ cell mutagens. Environ. Mol. Mutagen. 61:42-54, 2020. © 2019 Her Majesty the Queen in Right of Canada.
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Affiliation(s)
- Francesco Marchetti
- Environmental Health Science Research Bureau, Health Canada, Ottawa, Ontario, Canada
| | - George R Douglas
- Environmental Health Science Research Bureau, Health Canada, Ottawa, Ontario, Canada
| | - Carole L Yauk
- Environmental Health Science Research Bureau, Health Canada, Ottawa, Ontario, Canada
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Dasari S, Gonuguntla S, Yellanurkonda P, Nagarajan P, Meriga B. Sensitivity of glutathione S-transferases to high doses of acrylamide in albino wistar rats: Affinity purification, biochemical characterization and expression analysis. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2019; 182:109416. [PMID: 31301596 DOI: 10.1016/j.ecoenv.2019.109416] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Revised: 06/21/2019] [Accepted: 07/03/2019] [Indexed: 06/10/2023]
Abstract
The main objectives of this study were to purify the glutathione S-transfereses (GSTs) and assess the effect of high doses of acrylamide (ACR) on male albino Wistar rat liver, kidney, testis and bran GST activities, and expression analysis of GST. ACR (50 mg/300 ml) was ingested for 40 days (20 doses) in drinking water on alternative days, on 40 day post ingestion the control and treated tissues were collected for GST purification by affinity column and biochemical characterization of GSTs by substrate specificities, and GST expression by immuno dot blots. In the analysis of the purified GSTs, we observed that liver GSTs were resolved in to three bands known as Yc, Yb and Ya; kidney GSTs were resolved in to two bands known as Yc and Ya; testis and brain GSTs were resolved as four bands known as Yc, Yb, Yβ and Yδ on 12.5% sodium dodecyl sulfate polyacrylamide gel (SDS PAGE). In the analysis of biochemical characterization, we observed a significant decrease (p < 0.05) in the specific activities of liver GST isoforms with the substrates 1-chloro 2,4-dinitrobenzene (CDNB), bromosulfophthalein (BSP), p-nitrophenyl acetate (pNPA), p-nitrobenzyl chloride (pNBC) and cumene hydroperoxide (CHP), but showed no activity with ethacrynic acid (ECA) and significant decrease (p < 0.05) in the specific activities of kidney GST isoforms with the substrates CDNB, pNPA, pNBC and CHP, but showed no activity with BSP and ECA, and a significant decrease (p < 0.05) in the specific activities of testis and brain GST isoforms with the substrates CDNB, BSP, pNPA, pNBC, ECA and CHP. In the analysis of immuno dot blots, we observed a decreased expression of liver, kidney, testis and brain GSTs. Through the affinity purification and biochemical characterization, we observed a tissue specific distribution of GSTs that is liver GSTs possess Yc, Yb and Ya sub units known as alpha (α) and mu (μ) class GSTs; kidney GSTs possess Yc and Ya sub units known as (α) alpha class GST; testis and brain GSTs possess Yc, Yb, Yβ and Yδ sub units known as alpha (α), mu (μ) and pi (π) class GSTs. Purification studies, biochemical characterization and immuno dot blot analysis were revealed the GSTs were sensitive to high doses of ACR and the high level exposure to ACR cause the damage of detoxification function of GST due to decreased expression and hence lead to cellular dysfunction of vital organs.
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Affiliation(s)
- Sreenivasulu Dasari
- Department of Biochemistry, Sri Venkateswara University, Tirupati, Andhra Pradesh, India.
| | - Sailaja Gonuguntla
- College of Pharmaceutical Sciences, Sri Venkateswara University, Tirupati, Andhra Pradesh, India
| | | | - Prabhusaran Nagarajan
- Research Laboratory of Leptospirosis and Medical Nanotechnology, SRM Medical College Hospital and Research Centre, Tiruchirapalli, Tamilnadu, India
| | - Balaji Meriga
- Department of Biochemistry, Sri Venkateswara University, Tirupati, Andhra Pradesh, India
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Daifa M, Shmoeli E, Domb AJ. Enhanced flocculation activity of polyacrylamide‐based flocculant for purification of industrial wastewater. POLYM ADVAN TECHNOL 2019. [DOI: 10.1002/pat.4730] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Mahran Daifa
- Institute of Drug Research, School of Pharmacy‐Faculty of MedicineThe Hebrew University of Jerusalem Jerusalem Israel
| | - Eliyahu Shmoeli
- Institute of Drug Research, School of Pharmacy‐Faculty of MedicineThe Hebrew University of Jerusalem Jerusalem Israel
| | - Abraham J. Domb
- Institute of Drug Research, School of Pharmacy‐Faculty of MedicineThe Hebrew University of Jerusalem Jerusalem Israel
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Glutathione S-transferase is a good biomarker in acrylamide induced neurotoxicity and genotoxicity. Interdiscip Toxicol 2019; 11:115-121. [PMID: 31719782 PMCID: PMC6829684 DOI: 10.2478/intox-2018-0007] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2017] [Accepted: 12/13/2017] [Indexed: 01/19/2023] Open
Abstract
Glutathione S-transferases (GSTs) are major defence enzymes of the antioxidant enzymatic system. Cytosolic GSTs are more involved in the detoxification than mitochondrial and microsomal GSTs. GSTs are localized in the cerebellum and hippocampus of the rat brain. Acrylamide (AC) is a well assessed neurotoxin of both animals and humans and it produces skeletal muscle weakness and ataxia. AC is extensively used in several industries such as cosmetic, paper, textile, in ore processing, as soil conditioners, flocculants for waste water treatment and it is present in daily consumed food products, like potato chips, French fries, bread, breakfast cereals and beverages like coffee; it is detected on tobacco smoking. GST acts as a biomarker in response to acrylamide. AC can interact with DNA and therefore generate mutations. In rats, low level expression of glutathione S-trasferase (GST) decreases both memory and life span. The major aim of this review is to provide better information on the antioxidant role of GST against AC induced neurotoxicity and genotoxicity.
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Jung BK, Yun IS, Kim YS, Roh TS. Complication of AQUAfilling ® Gel Injection for Breast Augmentation: Case Report of One Case and Review of Literature. Aesthetic Plast Surg 2018; 42:1252-1256. [PMID: 29487999 DOI: 10.1007/s00266-018-1107-0] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2018] [Accepted: 02/12/2018] [Indexed: 11/24/2022]
Abstract
INTRODUCTION Augmentation mammoplasty is one of the most popular aesthetic operations in the world. In Korea, one of the fillers used for breast augmentation is AQUAfilling® gel (Biomedica. spol, s,r,o, Czech Republic). AQUAfilling® gel is a hydrophilic gel composed of 98% sodium chloride solution (0.9%) and 2% cation copolyamide. METHODS This is a case report describing a patient that suffered complications after AQUAfilling® gel injection for breast augmentation. RESULTS A 32-year-old female patient was referred to our plastic surgery department with a chief complaint of repeated wound dehiscence and fluid discharge involving both breasts. She was treated via surgical intervention for removal of necrotic infected tissue and filler, as well as massive irrigation three times. After the third surgery, there were no complications, including infection or dehiscence, during a 1-year follow-up period. CONCLUSIONS Although AQUAfilling® gel is easy to inject and is natural looking, once a complication occurs, treatment is difficult. Also, there are concerns regarding toxicity of the gel material and its influence on surrounding tissues. Hence, sufficient evidences of long-term safety must be accumulated and proved, until which time the aesthetic use of the unapproved filler must be restricted. LEVEL OF EVIDENCE V This journal requires that authors assign a level of evidence to each article. For a full description of these Evidence-Based Medicine ratings, please refer to the Table of Contents or the online Instructions to Authors www.springer.com/00266 .
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Affiliation(s)
- Bok Ki Jung
- Department of Plastic and Reconstructive Surgery, Institute for Human Tissue Restoration, Gangnam Severance Hospital, Yonsei University College of Medicine, 211, Eonju-ro, Gangnam-gu, Seoul, 135-720, Korea
| | - In Sik Yun
- Department of Plastic and Reconstructive Surgery, Institute for Human Tissue Restoration, Gangnam Severance Hospital, Yonsei University College of Medicine, 211, Eonju-ro, Gangnam-gu, Seoul, 135-720, Korea
| | - Young Seok Kim
- Department of Plastic and Reconstructive Surgery, Institute for Human Tissue Restoration, Gangnam Severance Hospital, Yonsei University College of Medicine, 211, Eonju-ro, Gangnam-gu, Seoul, 135-720, Korea
| | - Tai Suk Roh
- Department of Plastic and Reconstructive Surgery, Institute for Human Tissue Restoration, Gangnam Severance Hospital, Yonsei University College of Medicine, 211, Eonju-ro, Gangnam-gu, Seoul, 135-720, Korea.
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Baskar G, Aiswarya R. Overview on mitigation of acrylamide in starchy fried and baked foods. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2018; 98:4385-4394. [PMID: 29572830 DOI: 10.1002/jsfa.9013] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Revised: 02/19/2018] [Accepted: 03/12/2018] [Indexed: 05/17/2023]
Abstract
Acrylamide in fried and baked foods has the potential to cause toxic effects in animals and humans. A major challenge lies in developing an effective strategy for acrylamide mitigation in foods without altering its basic properties. Food scientists around the world have developed various methods to mitigate the presence of acrylamide in fried food products. Mitigation techniques using additives such as salts, amino acids, cations and organic acids along with blanching of foods have reduced the concentration of acrylamide. The use of secondary metabolites such as polyphenols also reduces acrylamide concentration in fried food products. Other mitigation techniques such as asparaginase pre-treatment and low-temperature air frying with chitosan have been effective in mitigating the concentration of acrylamide. The combined pre-treatment process along with the use of additives is the latest trend in acrylamide mitigation. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Gurunathan Baskar
- Department of Biotechnology, St Joseph's College of Engineering, Chennai, India
| | - Ravi Aiswarya
- Department of Biotechnology, St Joseph's College of Engineering, Chennai, India
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Kafouris D, Stavroulakis G, Christofidou M, Iakovou X, Christou E, Paikousis L, Christodoulidou M, Ioannou-Kakouri E, Yiannopoulos S. Determination of acrylamide in food using a UPLC–MS/MS method: results of the official control and dietary exposure assessment in Cyprus. Food Addit Contam Part A Chem Anal Control Expo Risk Assess 2018; 35:1928-1939. [DOI: 10.1080/19440049.2018.1508893] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
| | | | | | - Xenia Iakovou
- State General Laboratory, Ministry of Health, Nicosia, Cyprus
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Lee S, Park HR, Lee JY, Cho JH, Song HM, Kim AH, Lee W, Lee Y, Chang SC, Kim HS, Lee J. Learning, memory deficits, and impaired neuronal maturation attributed to acrylamide. JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART A 2018; 81:254-265. [PMID: 29473799 DOI: 10.1080/15287394.2018.1440184] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Acrylamide (ACR) is a neurotoxin known to produce neurotoxicity characterized by ataxia, skeletal muscle weakness, cognitive impairment, and numbness of the extremities. Previously, investigators reported that high-dose (50 mg/kg) ACR impaired hippocampal neurogenesis and increased neural progenitor cell death; however, the influence of subchronic environmentally relevant low dose-(2, 20, or 200 μg/kg) ACRs have not been examined in adult neurogenesis or cognitive function in mice. Accordingly, the aim of the present study was to investigate whether low-dose ACR adversely affected mouse hippocampal neurogenesis and neurocognitive functions. Male C57BL/6 mice were orally administered vehicle or ACR at 2, 20, or 200 μg/kg/day for 4 weeks. ACR did not significantly alter the number of newly generated cells or produce neuroinflammation or neuronal loss in hippocampi. However, behavioral studies revealed that 200 μg/kg ACR produced learning and memory impairment. Furthermore, incubation of ACR with primary cultured neurons during the developmental stage was found to delay neuronal maturation without affecting cell viability indicating the presence of developmental neurotoxicity. These findings indicate that although exposure to in vivo low-dose ACR daily for 4 weeks exerted no apparent marked effect on hippocampal neurogenesis, in vitro observations in primary cultured neurons noted adverse effects on learning and memory impairment suggestive of neurotoxic actions.
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Affiliation(s)
- Seulah Lee
- a Department of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention , Pusan National University , Busan , Republic of Korea
| | - Hee Ra Park
- a Department of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention , Pusan National University , Busan , Republic of Korea
| | - Joo Yeon Lee
- a Department of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention , Pusan National University , Busan , Republic of Korea
| | - Jung-Hyun Cho
- a Department of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention , Pusan National University , Busan , Republic of Korea
| | - Hye Min Song
- a Department of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention , Pusan National University , Busan , Republic of Korea
| | - Ah Hyun Kim
- a Department of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention , Pusan National University , Busan , Republic of Korea
| | - Wonjong Lee
- a Department of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention , Pusan National University , Busan , Republic of Korea
| | - Yujeong Lee
- a Department of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention , Pusan National University , Busan , Republic of Korea
| | - Seung-Cheol Chang
- b Institute of BioPhysio Sensor Technology , Pusan National University , Busan , Republic of Korea
| | - Hyung Sik Kim
- c School of Pharmacy , Sungkyunkwan University , Suwon , Republic of Korea
| | - Jaewon Lee
- a Department of Pharmacy, College of Pharmacy, Molecular Inflammation Research Center for Aging Intervention , Pusan National University , Busan , Republic of Korea
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Zhao M, Wang P, Li D, Shang J, Hu X, Chen F. Protection against neo-formed contaminants (NFCs)-induced toxicity by phytochemicals. Food Chem Toxicol 2017; 108:392-406. [DOI: 10.1016/j.fct.2017.01.023] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 12/27/2016] [Accepted: 01/25/2017] [Indexed: 01/18/2023]
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Styllou P, Styllou M, Hickel R, Högg C, Reichl FX, Scherthan H. NAC ameliorates dental composite-induced DNA double-strand breaks and chromatin condensation. Dent Mater J 2017; 36:638-646. [PMID: 28747595 DOI: 10.4012/dmj.2016-316] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Released (co)monomers from dental composite components can induce DNA damage of which DNA double-strand breaks (DSBs) threaten genome integrity. Here, we tested whether the administration of the antioxidant N-acetylcysteine (NAC) is able to reduce the dental composite-induced DSBs in primary human gingiva fibroblasts. The dental composites Bis-GMA (bisphenol-A-glycerolate dimethacrylate), GMA (glycidyl methacrylate), HEMA (2-hydroxyethyl methacrylate) and TEGDMA (triethyleneglycol dimethacrylate) were found to induce co-localizing microscopic nuclear foci numbers of the DSB markers γ-H2AX and 53BP1 per cell in the order: GMA>Bis-GMA>TEGDMA>HEMA. Supplementation of (co)monomer-containing culture medium with NAC led to a significant reduction of resin-induced DSBs as well as to an amelioration of dental monomer-induced nuclear chromatin condensation in gingival fibroblasts. Thus, antioxidant treatment can reduce radical-induced chromatin and DNA damage and open avenues to mitigate genotoxic effects of dental composite compounds.
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Affiliation(s)
- Panorea Styllou
- Department of Operative/Restorative Dentistry, Periodontology and Pedodontics, Ludwig-Maximilians-University of Munich.,Walther-Straub-Institute of Pharmacology and Toxicology, Ludwig-Maximilians-University of Munich
| | - Marianthi Styllou
- Department of Operative/Restorative Dentistry, Periodontology and Pedodontics, Ludwig-Maximilians-University of Munich.,Walther-Straub-Institute of Pharmacology and Toxicology, Ludwig-Maximilians-University of Munich
| | - Reinhard Hickel
- Department of Operative/Restorative Dentistry, Periodontology and Pedodontics, Ludwig-Maximilians-University of Munich
| | - Christof Högg
- Department of Operative/Restorative Dentistry, Periodontology and Pedodontics, Ludwig-Maximilians-University of Munich.,Walther-Straub-Institute of Pharmacology and Toxicology, Ludwig-Maximilians-University of Munich
| | - Franz Xaver Reichl
- Department of Operative/Restorative Dentistry, Periodontology and Pedodontics, Ludwig-Maximilians-University of Munich.,Walther-Straub-Institute of Pharmacology and Toxicology, Ludwig-Maximilians-University of Munich
| | - Harry Scherthan
- Bundeswehr Institute of Radiobiology affil. to the University of Ulm
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Recio L, Friedman M, Marroni D, Maynor T, Chepelev NL. Impact of Acrylamide on Calcium Signaling and Cytoskeletal Filaments in Testes From F344 Rat. Int J Toxicol 2017; 36:124-132. [PMID: 28403741 DOI: 10.1177/1091581817697696] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Acrylamide (AA) at high exposure levels is neurotoxic, induces testicular toxicity, and increases dominant lethal mutations in rats. RNA-sequencing in testes was used to identify differentially expressed genes (DEG), explore AA-induced pathway perturbations that could contribute to AA-induced testicular toxicity and then used to derive a benchmark dose (BMD). Male F344/DuCrl rats were administered 0.0, 0.5, 1.5, 3.0, 6.0, or 12.0 mg AA/kg bw/d in drinking water for 5, 15, or 31 days. The experimental design used exposure levels that spanned and exceeded the exposure levels used in the rat dominant lethal, 2-generation reproductive toxicology, and cancer bioassays. The time of sample collection was based on previous studies that developed gene expression-based BMD. At 12.0 mg/kg, there were 38, 33, and 65 DEG ( P value <.005; fold change >1.5) in the testes after 5, 15, or 31 days of exposure, respectively. At 31 days, there was a dose-dependent increase in the number of DEG, and at 12.0 mg/kg/d the top three functional clusters affected by AA exposure were actin filament organization, response to calcium ion, and regulation of cell proliferation. The BMD lower 95% confidence limit using DEG ranged from 1.8 to 6.8 mg/kg compared to a no-observed-adverse-effect-level of 2.0 mg/kg/d for male reproductive toxicity. These results are consistent with the known effects of AA on calcium signaling and cytoskeletal actin filaments leading to neurotoxicity and suggest that AA can cause rat dominant lethal mutations by these same mechanisms leading to impaired chromosome segregation during cell division.
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Affiliation(s)
- Leslie Recio
- 1 Integrated Laboratory Systems Inc, Research Triangle Park, NC, USA
| | - Marvin Friedman
- 2 SNF SAS, rue Adrienne Bolland, ZAC de Milieux, Andrézieux, Rhône-Alpes, France
| | - Dennis Marroni
- 2 SNF SAS, rue Adrienne Bolland, ZAC de Milieux, Andrézieux, Rhône-Alpes, France
| | - Timothy Maynor
- 1 Integrated Laboratory Systems Inc, Research Triangle Park, NC, USA
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Khan MR, Alothman ZA, Naushad M, Alomary AK, Alfadul SM, Alsohaimi IH, Algamdi MS. Occurrence of acrylamide carcinogen in Arabic coffee Qahwa, coffee and tea from Saudi Arabian market. Sci Rep 2017; 7:41995. [PMID: 28150749 PMCID: PMC5288803 DOI: 10.1038/srep41995] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2016] [Accepted: 01/04/2017] [Indexed: 11/09/2022] Open
Abstract
The present work describes the outcomes of the assessment on acrylamide contents in a number of thermally treated foods (Arabic coffee Qahwa, coffee and tea) obtained from the Saudi Arabian markets. A total of 56 food samples of different brands and origin were studied, the amounts of acrylamide in Arabic coffee Qahwa, coffee and tea were obtained in the range of 10 to 682 μg kg-1. In comparison to coffee (152-682 μg kg-1), the Arabic coffee Qahwa (73-108 μg kg-1) and tea (10-97 μg kg-1) contain lower amounts of acrylamide. Among the analyzed samples, the green tea contained low amounts of acrylamide ranged from 10 to 18 μg kg-1, and thus the green tea could be considered as a healthier hot drink. A great variation of acrylamide formation has been observed in these food products. This divergence may be due to the initial concentration of amino acids especially asparagines and reducing sugars in food products, in addition to roasting temperature and time, pH and water activity. The obtained data can also be used in epidemiological investigation to estimate the acrylamide exposure from nutritional survey.
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Affiliation(s)
- Mohammad Rizwan Khan
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Kingdom of Saudi Arabia
| | - Zeid Abdullah Alothman
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Kingdom of Saudi Arabia
| | - Mu Naushad
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Kingdom of Saudi Arabia
| | - Ahmed Khodran Alomary
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Kingdom of Saudi Arabia
| | - Sulaiman Mohammed Alfadul
- King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Kingdom of Saudi Arabia
| | - Ibrahim Hotan Alsohaimi
- Department of Chemistry, College of Science, King Saud University, P.O. Box 2455, Riyadh 11451, Kingdom of Saudi Arabia
| | - Mohammad Saad Algamdi
- King Abdulaziz City for Science and Technology, P.O. Box 6086, Riyadh 11442, Kingdom of Saudi Arabia
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Attoff K, Kertika D, Lundqvist J, Oredsson S, Forsby A. Acrylamide affects proliferation and differentiation of the neural progenitor cell line C17.2 and the neuroblastoma cell line SH-SY5Y. Toxicol In Vitro 2016; 35:100-11. [PMID: 27241584 DOI: 10.1016/j.tiv.2016.05.014] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2015] [Revised: 05/08/2016] [Accepted: 05/26/2016] [Indexed: 10/21/2022]
Abstract
Acrylamide is a well-known neurotoxic compound and people get exposed to the compound by food consumption and environmental pollutants. Since acrylamide crosses the placenta barrier, the fetus is also being exposed resulting in a risk for developmental neurotoxicity. In this study, the neural progenitor cell line C17.2 and the neuroblastoma cell line SH-SY5Y were used to study proliferation and differentiation as alerting indicators for developmental neurotoxicity. For both cell lines, acrylamide reduced the number of viable cells by reducing proliferation and inducing cell death in undifferentiated cells. Acrylamide concentrations starting at 10fM attenuated the differentiation process in SH-SY5Y cells by sustaining cell proliferation and neurite outgrowth was reduced at concentrations from 10pM. Acrylamide significantly reduced the number of neurons starting at 1μM and altered the ratio between the different phenotypes in differentiating C17.2 cell cultures. Ten micromolar of acrylamide also reduced the expression of the neuronal and astrocyte biomarkers. Although the neurotoxic concentrations in the femtomolar range seem to be specific for the SH-SY5Y cell line, the fact that micromolar concentrations of acrylamide seem to attenuate the differentiation process in both cell lines raises the interest to further investigations on the possible developmental neurotoxicity of acrylamide.
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Affiliation(s)
- K Attoff
- Department of Neurochemistry, Stockholm University, Stockholm 106 91, Sweden.
| | - D Kertika
- Department of Neurochemistry, Stockholm University, Stockholm 106 91, Sweden.
| | - J Lundqvist
- Department of Neurochemistry, Stockholm University, Stockholm 106 91, Sweden.
| | - S Oredsson
- Department of Biology, Lund University, Lund 223 62, Sweden.
| | - A Forsby
- Department of Neurochemistry, Stockholm University, Stockholm 106 91, Sweden; Swedish Toxicology Science Center (Swetox), Södertälje, Sweden.
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Mulla MZ, Annapure US, Bharadwaj VR, Singhal RS. A Study on the Kinetics of Acrylamide Formation in Banana Chips. J FOOD PROCESS PRES 2016. [DOI: 10.1111/jfpp.12739] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Mehrajfatema Z. Mulla
- Food Engineering & Technology Department; Institute of Chemical Technology; Matunga Mumbai India
| | - Uday S. Annapure
- Food Engineering & Technology Department; Institute of Chemical Technology; Matunga Mumbai India
| | | | - Rekha S. Singhal
- Food Engineering & Technology Department; Institute of Chemical Technology; Matunga Mumbai India
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Duda-Chodak A, Wajda Ł, Tarko T, Sroka P, Satora P. A review of the interactions between acrylamide, microorganisms and food components. Food Funct 2016; 7:1282-95. [DOI: 10.1039/c5fo01294e] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Acrylamide (AA) and its metabolites have been recognized as potential carcinogens, but also they can cause other negative symptoms in human or animal organisms and therefore this class of chemical compounds has attracted a lot of attention.
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Affiliation(s)
- A. Duda-Chodak
- Faculty of Food Technology
- University of Agriculture in Krakow
- 30-149 Krakow
- Poland
| | - Ł. Wajda
- Faculty of Food Technology
- University of Agriculture in Krakow
- 30-149 Krakow
- Poland
| | - T. Tarko
- Faculty of Food Technology
- University of Agriculture in Krakow
- 30-149 Krakow
- Poland
| | - P. Sroka
- Faculty of Food Technology
- University of Agriculture in Krakow
- 30-149 Krakow
- Poland
| | - P. Satora
- Faculty of Food Technology
- University of Agriculture in Krakow
- 30-149 Krakow
- Poland
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Dental composite components induce DNA-damage and altered nuclear morphology in gingiva fibroblasts. Dent Mater 2015; 31:1335-44. [PMID: 26382061 DOI: 10.1016/j.dental.2015.08.156] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2015] [Revised: 07/31/2015] [Accepted: 08/17/2015] [Indexed: 01/03/2023]
Abstract
OBJECTIVE Released dental composite components can damage human gingival fibroblasts (HGFs) and their DNA. The cytotoxicity, chromatin condensation and the induction of DNA double strand breaks (DSBs) by different compounds of dental composites was investigated using an improved γ-H2AX focus assay. METHODS HGFs were incubated with the monomers: bisphenol-A-ethoxylate-dimethacrylate (Bis-DMA), bisphenol-A-glycerolate-dimethacrylate (BisGMA), ethyltriethylen glycol methacrylate (ETEGMA), glycidyl methacrylate (GMA), 1,6-hexandiol-dimethycrylate (HDDMA), trimethylolpropane ethoxylate triacrylate (TMPTA), and acrylamide (ACR). DSBs were determined by enumerating γ-H2AX and 53BP1 foci colocalized at DSBs. RESULTS A concentration-dependent induction of DSBs was found in the order: GMA>BisGMA>ACR>Bis-DMA>HDDMA>TMPTA>ETEGMA. HGFs exposure to GMA (0.3mM) and to BisGMA (0.09mM) induced the highest rate of DSB foci, i.e. 12-fold and 8-fold, respectively, relative to control (0.33 DSB foci/cell). At the highest concentrations (EC50) prominent changes in the chromatin morphology of HGF cell nuclei, i.e. compaction of nuclear chromatin and reduction of the area covered by the ovoid fibroblast nuclei, were observed. Nuclear condensation was significantly induced by GMA (1.7-fold at 0.3mM) and BisGMA (1.6-fold at 0.09mM), which correlated with the highest numbers of induced DSB foci (GMA, BisGMA, 3.9 and 2.6 foci/cell, respectively). SIGNIFICANCE The improved γ-H2AX/53BP1 focus assay revealed a concentration-dependent increase in DSBs for all tested substances. Furthermore, concentration-dependent changes in HGF cell nucleus morphology was noted, demonstrating genotoxic effects of the substances tested.
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Zhang Y, Wang Q, Cheng J, Zhang J, Xu J, Ren Y. Comprehensive profiling of mercapturic acid metabolites from dietary acrylamide as short-term exposure biomarkers for evaluation of toxicokinetics in rats and daily internal exposure in humans using isotope dilution ultra-high performance liquid chromatography tandem mass spectrometry. Anal Chim Acta 2015; 894:54-64. [DOI: 10.1016/j.aca.2015.08.033] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Accepted: 08/16/2015] [Indexed: 11/25/2022]
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Effect of Acrylamide on Oocyte Nuclear Maturation and Cumulus Cells Apoptosis in Mouse In Vitro. PLoS One 2015; 10:e0135818. [PMID: 26275143 PMCID: PMC4537141 DOI: 10.1371/journal.pone.0135818] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2015] [Accepted: 07/27/2015] [Indexed: 11/19/2022] Open
Abstract
Acrylamide (ACR) is a chemical compound with severe neurotoxicity, genotoxicity, carcinogenicity and reproductive toxicity. Recent studies showed that ACR impairs the function of reproductive organs, e.g., epididymis and testes. In vitro maturation of mouse oocyte is a sensitive assay to identify potential chemical hazard to female fertility. The aim of this study was to evaluate the adverse effects of ACR on the nuclear maturation and cumulus cells apoptosis of mouse oocytes in vitro. Cumulus–oocyte complexes were incubated in a maturation medium containing 0, 5, 10 and 20 μM of ACR. Chromosome alignment and spindle morphology of oocytes was determined by immunofluorescence and confocal microscopy. Our results showed that oocytes exposed to different doses of ACR in vitro were associated with a significant decrease of oocyte maturation, significant increase of chromosome misalignment rate, occurrence of abnormal spindle configurations, and the inhibition of oocyte parthenogenetic activation. Furthermore, apoptosis of cumulus cells was determined by TUNEL and CASPASE-3 assay. Results showed that apoptosis in cumulus cells was enhanced and the expression of CASPASE-3 was increased after cumulus–oocyte complexes were exposed to ACR. Therefore, ACR may affect the nuclear maturation of oocytes via the apoptosis of cumulus cells in vitro.
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Fennell TR, Snyder R, Hansen B, Friedman M. Dosimetry of Acrylamide and Glycidamide Over the Lifespan in a 2-Year Bioassay of Acrylamide in Wistar Han Rats. Toxicol Sci 2015; 146:386-94. [PMID: 26141391 PMCID: PMC4517054 DOI: 10.1093/toxsci/kfv104] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Acrylamide is an industrial chemical used to manufacture polymers, and is produced in foods during cooking at high heat. Hemoglobin adducts provide a long-lived dosimeter for acrylamide and glycidamide. This study determined acrylamide and glycidamide hemoglobin adducts (AAVal and GAVal) during a lifetime carcinogenesis bioassay. Exposure to acrylamide in drinking water began in utero in pregnant rats on gestation day 6. Dams were administered acrylamide until weaning, and male and female F1 rats were exposed for a further 104 weeks. Acrylamide concentration in drinking water was adjusted to provide a constant dose of 0.5, 1.5, and 3 mg/kg/day. Blood was collected from animals euthanized at 2, 60, 90, and 120 days and 53, 79, and 104 weeks after weaning. Low levels of AAVal and GAVal at postnatal day 24 suggested that little exposure to acrylamide occurred by placental or lactational transfer, and extensive metabolism to glycidamide occurred with a GAVal:AAVal ratio of 4. Adduct levels varied somewhat from 60 days to 2 years, with a GAVal:AAVal ratio of approximately 1. Adduct formation/day estimated at each timepoint at 3 mg/kg/day for AAVal was 1293 ± 220 and 1096 ± 338 fmol/mg/day for male and female rats, respectively. Adduct formation per day estimated at each timepoint at 3 mg/kg/day for GAVal was 827 ± 78 fmol/mg/day for male rats, and 982 ± 222 fmol/mg/day for female rats. The study has provided estimates of linearity for dose response, and variability in internal dose throughout an entire 2-year bioassay, including the early phases of pregnancy and lactation.
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Affiliation(s)
| | - Rodney Snyder
- *RTI International, Research Triangle Park, North Carolina 27709
| | - Benjamin Hansen
- LPT Laboratory of Pharmacology and Toxicology GmbH & Co. KG, Hamburg, Germany; and
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