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Yan F, Wang L, Zhao L, Wang C, Lu Q, Liu R. Acrylamide in food: Occurrence, metabolism, molecular toxicity mechanism and detoxification by phytochemicals. Food Chem Toxicol 2023; 175:113696. [PMID: 36870671 DOI: 10.1016/j.fct.2023.113696] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 01/16/2023] [Accepted: 02/25/2023] [Indexed: 03/06/2023]
Abstract
Acrylamide (ACR) is a common pollutant formed during food thermal processing such as frying, baking and roasting. ACR and its metabolites can cause various negative effects on organisms. To date, there have been some reviews summarizing the formation, absorption, detection and prevention of ACR, but there is no systematic summary on the mechanism of ACR-induced toxicity. In the past five years, the molecular mechanism for ACR-induced toxicity has been further explored and the detoxification of ACR by phytochemicals has been partly achieved. This review summarizes the ACR level in foods and its metabolic pathways, as well as highlights the mechanisms underlying ACR-induced toxicity and ACR detoxification by phytochemicals. It appears that oxidative stress, inflammation, apoptosis, autophagy, biochemical metabolism and gut microbiota disturbance are involved in various ACR-induced toxicities. In addition, the effects and possible action mechanisms of phytochemicals, including polyphenols, quinones, alkaloids, terpenoids, as well as vitamins and their analogs on ACR-induced toxicities are also discussed. This review provides potential therapeutic targets and strategies for addressing various ACR-induced toxicities in the future.
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Affiliation(s)
- Fangfang Yan
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China; Department of Pharmaceutical Sciences, University of Vienna, Vienna, Austria
| | - Li Wang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Li Zhao
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China; College of Food Science and Engineering, Shanxi Agricultural University, Jinzhong, China
| | - Chengming Wang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China
| | - Qun Lu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China; Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan, China; Key Laboratory of Urban Agriculture in Central China, Ministry of Agriculture and Rural Affairs, China
| | - Rui Liu
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan, China; Key Laboratory of Environment Correlative Dietology (Huazhong Agricultural University), Ministry of Education, Wuhan, China; Key Laboratory of Urban Agriculture in Central China, Ministry of Agriculture and Rural Affairs, China.
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Bicer Y, Elbe H, Karayakali M, Yigitturk G, Yilmaz U, Cengil O, Al Gburi MRA, Altinoz E. Neuroprotection by melatonin against acrylamide-induced brain damage in pinealectomized rats. J Chem Neuroanat 2022; 125:102143. [PMID: 35952951 DOI: 10.1016/j.jchemneu.2022.102143] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Revised: 08/05/2022] [Accepted: 08/05/2022] [Indexed: 11/29/2022]
Abstract
The current study aimed to evaluate the neuroprotective effect of exogenous melatonin against acrylamide (ACR)-induced oxidative stress and inflammatory and apoptotic responses in the brain tissues in pinealectomized rats (PINX). ACR is a toxic chemical carcinogen that occurs owing to the preparation of carbohydrate-rich foods at high temperatures or other thermal processes. The rats who underwent pinealectomy and sham pinealectomy were exposed to ACR (25 mg/kg b.w., orally) alone or with exogenous melatonin (10 mg/kg b.w., i.p.) for 21 consecutive days. Alterations of brain oxidant/antioxidant status, dopamine (DA), Brain-Derived Neurotropic Factor (BDNF) inflammatory mediator and apoptosis during exposure to ACR in pinealectomized rats were more than without pinealectomized rats. Histopathological changes were more in brain tissue of pinealectomized rats after ACR administration. Exogenous melatonin treatment in ACR -exposed rats following pinealectomy increased the activities of antioxidant enzymes such as superoxide dismutase (SOD) and catalase (CAT) and improved brain total antioxidant status (TAS) compared to PINX+ACR. Moreover, melatonin suppressed lipid peroxidation, inflammatory pathways and apoptosis in ACR-intoxicated brain tissues. In addition, after exposure to ACR on pinealectomized rats, melatonin treatment ameliorated BDNF and DA levels in brain tissues. Furthermore, exogenous melatonin intervention in ACR-intoxicated rats significantly rescued the architecture of neuronal tissues. In summary, the present study, for the first time, suggested that exogenous melatonin treatment could reduce oxidative damage by increasing the activities of antioxidant enzymes, inhibiting lipid peroxidation and inflammation, and improving histopathological alterations in the brain tissue of pinealectomized rats after ACR administration.
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Affiliation(s)
- Yasemin Bicer
- Department of Medical Biochemistry, Faculty of Medicine, Karabuk University, Karabuk, Turkey
| | - Hulya Elbe
- Department of Histology and Embryology, Faculty of Medicine, Mugla Sıtkı Kocman University, Mugla, Turkey
| | - Melike Karayakali
- Department of Medical Biochemistry, Faculty of Medicine, Karabuk University, Karabuk, Turkey
| | - Gurkan Yigitturk
- Department of Histology and Embryology, Faculty of Medicine, Mugla Sıtkı Kocman University, Mugla, Turkey
| | - Umit Yilmaz
- Department of Physiology, Faculty of Medicine, Karabuk University, Karabuk, Turkey
| | - Osman Cengil
- Faculty of Medicine, Zonguldak Bulent Ecevit University, Zonguldak, Turkey
| | | | - Eyup Altinoz
- Department of Medical Biochemistry, Faculty of Medicine, Karabuk University, Karabuk, Turkey.
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Pérez-Hernández E, Pastrana-Carballo JJ, Gómez-Chávez F, Gupta RC, Pérez-Hernández N. A Key Metabolic Regulator of Bone and Cartilage Health. Endocrinol Metab (Seoul) 2022; 37:559-574. [PMID: 35938304 PMCID: PMC9449101 DOI: 10.3803/enm.2022.1443] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 06/07/2022] [Indexed: 11/17/2022] Open
Abstract
Taurine, a cysteine-derived zwitterionic sulfonic acid, is a common ingredient in energy drinks and is naturally found in fish and other seafood. In humans, taurine is produced mainly in the liver, and it can also be obtained from food. In target tissues, such as the retina, heart, and skeletal muscle, it functions as an essential antioxidant, osmolyte, and antiapoptotic agent. Taurine is also involved in energy metabolism and calcium homeostasis. Taurine plays a considerable role in bone growth and development, and high-profile reports have demonstrated the importance of its metabolism for bone health. However, these reports have not been collated for more than 10 years. Therefore, this review focuses on taurine-bone interactions and covers recently discovered aspects of taurine's effects on osteoblastogenesis, osteoclastogenesis, bone structure, and bone pathologies (e.g., osteoporosis and fracture healing), with due attention to the taurine-cartilage relationship.
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Affiliation(s)
- Elizabeth Pérez-Hernández
- Medical Unit of High Specialty of Traumatology, Orthopedics and Rehabilitation “Dr. Victorio de la Fuente Narváez”, Mexican Social Security Institute, Mexico City, Mexico
| | | | - Fernando Gómez-Chávez
- National School of Medicine and Homeopathy, National Polytechnic Institute, Mexico City, Mexico
| | - Ramesh C. Gupta
- School of Agricultural Sciences and Rural Development (SASRD) Nagaland University, Medziphema, India
- Ramesh C. Gupta. School of Agricultural Sciences and Rural Development (SASRD) Nagaland University, Medziphema-797106, India Tel: +91-3862-247102, Fax: +91-3862-247113, E-mail:
| | - Nury Pérez-Hernández
- National School of Medicine and Homeopathy, National Polytechnic Institute, Mexico City, Mexico
- Corresponding authors: Nury Pérez-Hernández. National School of Medicine and Homeopathy, National Polytechnic Institute, 07320, Mexico City, Mexico Tel: +52-5729-6000 ext. 55537, Fax: +52-5729-6000, E-mail:
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da Silva Junior JA, Ribeiro RA. Potential Binding Sites for Taurine on the Insulin Receptor: A Molecular Docking Study. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2022; 1370:257-266. [DOI: 10.1007/978-3-030-93337-1_25] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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Gur C, Kandemir FM, Darendelioglu E, Caglayan C, Kucukler S, Kandemir O, Ileriturk M. Morin protects against acrylamide-induced neurotoxicity in rats: an investigation into different signal pathways. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2021; 28:49808-49819. [PMID: 33939091 DOI: 10.1007/s11356-021-14049-4] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Accepted: 04/19/2021] [Indexed: 06/12/2023]
Abstract
The presented study investigates the effects of morin against toxicity induced by acrylamide (ACR) in the brains of Sprague Dawley rats. In this study, neurotoxicity was induced by orally administering 38.27 mg/kg/b.w ACR to rats through gastric gavage for 10 days. Morin was administered at the same time and at different doses (50 and 100 mg/kg/b.w) with ACR. Biochemical and Western blot analyses showed that ACR increased malondialdehyde (MDA), p38α mitogen-activated protein kinase (p38α MAPK), nuclear factor kappa-B (NF-κB), tumor necrosis factor alpha (TNF-α), interleukin-1 beta (IL-1β), interleukin-6 (IL-6), cyclooxygenase-2 (COX-2), p53, caspase-3, bcl-2 associated X protein (Bax), Beclin-1, light chain 3A (LC3A), and light chain 3B (LC3B) levels and decreased those of superoxide dismutase (SOD), catalase (CAT), glutathione peroxidase (GPx), glutathione (GSH), b-cell lymphoma-2 (Bcl-2), mammalian target of rapamycin (mTOR), phosphoinositide 3-kinase (PI3K), and protein kinase B (Akt) in brain tissue and therefore induced neurotoxicity by causing oxidative stress, inflammation, apoptosis, and autophagy. On the other hand, it was determined that morin positively affected the levels of these markers by displaying antioxidant, anti-inflammatory, anti-apoptotic, and anti-autophagic properties and had a protective effect on ACR-induced neurotoxicity. As a result, morin is an effective substance against brain damage caused by ACR, yet further studies are needed to use it effectively.
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Affiliation(s)
- Cihan Gur
- Department of Biochemistry, Faculty of Veterinary Medicine, Atatürk University, 25240, Erzurum, Turkey.
| | - Fatih Mehmet Kandemir
- Department of Biochemistry, Faculty of Veterinary Medicine, Atatürk University, 25240, Erzurum, Turkey.
| | - Ekrem Darendelioglu
- Department of Molecular Biology and Genetics, Faculty of Science and Literature, Bingol University, Bingol, Turkey
| | - Cuneyt Caglayan
- Department of Biochemistry, Faculty of Veterinary Medicine, Bingol University, Bingol, Turkey
| | - Sefa Kucukler
- Department of Biochemistry, Faculty of Veterinary Medicine, Atatürk University, 25240, Erzurum, Turkey
| | - Ozge Kandemir
- Department of Biochemistry, Faculty of Veterinary Medicine, Atatürk University, 25240, Erzurum, Turkey
| | - Mustafa Ileriturk
- Department of Biochemistry, Faculty of Veterinary Medicine, Atatürk University, 25240, Erzurum, Turkey
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Kurtz JA, VanDusseldorp TA, Doyle JA, Otis JS. Taurine in sports and exercise. J Int Soc Sports Nutr 2021; 18:39. [PMID: 34039357 PMCID: PMC8152067 DOI: 10.1186/s12970-021-00438-0] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 05/03/2021] [Indexed: 12/18/2022] Open
Abstract
BACKGROUND Taurine has become a popular supplement among athletes attempting to improve performance. While the effectiveness of taurine as an ergogenic aid remains controversial, this paper summarizes the current evidence regarding the efficacy of taurine in aerobic and anaerobic performance, metabolic stress, muscle soreness, and recovery. METHODS Google Scholar, Web of Science, and MedLine (PubMed) searches were conducted through September 2020. Peer-reviewed studies that investigated taurine as a single ingredient at dosages of < 1 g - 6 g, ranging from 10 to 15 min-to-2 h prior to exercise bout or chronic dose (7 days- 8 weeks) of consumption were included. Articles were excluded if taurine was not the primary or only ingredient in a supplement or food source, not published in peer-reviewed journals, if participants were older than 50 years, articles published before 1999, animal studies, or included participants with health issues. A total of 19 studies met the inclusion criteria for the review. RESULTS Key results include improvements in the following: VO2max, time to exhaustion (TTE; n = 5 articles), 3 or 4 km time-trial (n = 2 articles), anaerobic performance (n = 7 articles), muscle damage (n = 3 articles), peak power (n = 2 articles), recovery (n = 1 article). Taurine also caused a change in metabolites: decrease in lactate, creatine kinase, phosphorus, inflammatory markers, and improved glycolytic/fat oxidation markers (n = 5 articles). Taurine dosing appears to be effective at ~ 1-3 g/day acutely across a span of 6-15 days (1-3 h before an activity) which may improve aerobic performance (TTE), anaerobic performance (strength, power), recovery (DOMS), and a decrease in metabolic markers (creatine kinase, lactate, inorganic phosphate). CONCLUSIONS Limited and varied findings prohibit definitive conclusions regarding the efficacy of taurine on aerobic and anaerobic performance and metabolic outcomes. There are mixed findings for the effect of taurine consumption on improving recovery from training bouts and/or mitigating muscle damage. The timing of taurine ingestion as well as the type of exercise protocol performed may contribute to the effectiveness of taurine as an ergogenic aid. More investigations are needed to better understand the potential effects of taurine supplementation on aerobic and anaerobic performance, muscle damage, metabolic stress, and recovery.
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Affiliation(s)
- Jennifer A Kurtz
- Department of Kinesiology and Health, Georgia State University, 125 Decatur Street, Suite 137, Atlanta, GA, 30303, USA.
| | - Trisha A VanDusseldorp
- Department of Exercise Science and Sport Management, Kennesaw State University, Kennesaw, GA, 30144, USA
| | - J Andrew Doyle
- Department of Kinesiology and Health, Georgia State University, 125 Decatur Street, Suite 137, Atlanta, GA, 30303, USA
| | - Jeffrey S Otis
- Department of Kinesiology and Health, Georgia State University, 125 Decatur Street, Suite 137, Atlanta, GA, 30303, USA
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Ghasemzadeh Rahbardar M, Hemadeh B, Razavi BM, Eisvand F, Hosseinzadeh H. Effect of carnosic acid on acrylamide induced neurotoxicity: in vivo and in vitro experiments. Drug Chem Toxicol 2020; 45:1528-1535. [DOI: 10.1080/01480545.2020.1845715] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
| | - Batool Hemadeh
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Bibi Marjan Razavi
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farhad Eisvand
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hossein Hosseinzadeh
- Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran
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Guo J, Cao X, Hu X, Li S, Wang J. The anti-apoptotic, antioxidant and anti-inflammatory effects of curcumin on acrylamide-induced neurotoxicity in rats. BMC Pharmacol Toxicol 2020; 21:62. [PMID: 32811563 PMCID: PMC7437006 DOI: 10.1186/s40360-020-00440-3] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 08/11/2020] [Indexed: 12/12/2022] Open
Abstract
Background Acrylamide (ACR) formed during heating of tobacco and carbohydrate-rich food as well as widely applied in industries has been known as a well-established neurotoxic pollutant. Although the precise mechanism is unclear, enhanced apoptosis, oxidative stress and inflammation have been demonstrated to contribute to the ACR-induced neurotoxicity. In this study, we assessed the possible anti-apoptotic, antioxidant and anti-inflammatory effects of curcumin, the most active component in a popular spice known as turmeric, on the neurotoxicity caused by ACR in rats. Methods Curcumin at the dose of 50 and 100 mg/kg was orally given to ACR- intoxicated Sprague-Dawley rats exposed by ACR at 40 mg/kg for 4 weeks. All rats were subjected to behavioral analysis. The HE staining and terminal deoxynucleotidyl transferase mediated dUTP nick end labelling (TUNEL) staining were used to detect histopathological changes and apoptotic cells, respectively. The mRNA and protein expressions of apoptosis-related molecule telomerase reverse transcriptase (TERT) were detected using real-time PCR and immunohistochemistry, respectively. The contents of malondialdehyde (MDA) and glutathione (GSH) as well as the activities of superoxide dismutase (SOD) and glutathione peroxidase (GSH-Px) were measured as the indicators for evaluating the level of oxidative stress in brain. The levels of pro-inflammatory cytokinestumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) in the cerebral homogenates were detected using ELISA assay. Results ACR-induced weigh loss, deficits in motor function as well as pathological alterations in brains were significantly improved in rats administrated with 50 and 100 mg/kg curcumin. TUNEL-positive apoptotic cells in curcumin-treated ACR intoxicated brains were less than those in the ACR model group. Curcumin administration especially at the dose of 100 mg/kg upregulated the TERT mRNA expression and enhanced the number of TERT-positive cells in ACR-intoxicated cortex tissues. Moreover, curcumin treatment reduced the concentrations of TNF-α, IL-1β and MDA, while increased the GSH contents as well as the SOD and GSH-Px activities in the cerebral homogenates, in comparison to ACR control group. Conclusions These data suggested the anti-apoptotic, antioxidant and anti-inflammatory effects of curcumin on ACR-induced neurotoxicity in rats. Maintaining TERT-related anti-apoptotic function might be one mechanism underlying the protective effect of curcumin on ACR-intoxicated brains.
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Affiliation(s)
- Jie Guo
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, 430065, China.,Department of Pharmacy, New Medicine Innovation and Development Institute, College of Medicine, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Xiaolu Cao
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, 430065, China.,Department of Pharmacy, New Medicine Innovation and Development Institute, College of Medicine, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Xianmin Hu
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, 430065, China.,Department of Pharmacy, New Medicine Innovation and Development Institute, College of Medicine, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Shulan Li
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, 430065, China.,Department of Pharmacy, New Medicine Innovation and Development Institute, College of Medicine, Wuhan University of Science and Technology, Wuhan, 430065, China
| | - Jun Wang
- Hubei Province Key Laboratory of Occupational Hazard Identification and Control, Wuhan University of Science and Technology, Wuhan, 430065, China. .,Department of Pharmacy, New Medicine Innovation and Development Institute, College of Medicine, Wuhan University of Science and Technology, Wuhan, 430065, China.
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Foroutanfar A, Mehri S, Kamyar M, Tandisehpanah Z, Hosseinzadeh H. Protective effect of punicalagin, the main polyphenol compound of pomegranate, against acrylamide‐induced neurotoxicity and hepatotoxicity in rats. Phytother Res 2020; 34:3262-3272. [DOI: 10.1002/ptr.6774] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2019] [Revised: 05/20/2020] [Accepted: 05/24/2020] [Indexed: 12/22/2022]
Affiliation(s)
- Amir Foroutanfar
- School of Pharmacy Mashhad University of Medical Sciences Mashhad Iran
| | - Soghra Mehri
- Pharmaceutical Research Center, Pharmaceutical Technology Institute Mashhad University of Medical Sciences Mashhad Iran
- Department of Pharmacodynamics and Toxicology, School of Pharmacy Mashhad University of Medical Sciences Mashhad Iran
| | - Marzyeh Kamyar
- School of Pharmacy Mashhad University of Medical Sciences Mashhad Iran
| | | | - Hossein Hosseinzadeh
- Pharmaceutical Research Center, Pharmaceutical Technology Institute Mashhad University of Medical Sciences Mashhad Iran
- Department of Pharmacodynamics and Toxicology, School of Pharmacy Mashhad University of Medical Sciences Mashhad Iran
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Dai C, Xiao X, Li J, Ciccotosto GD, Cappai R, Tang S, Schneider-Futschik EK, Hoyer D, Velkov T, Shen J. Molecular Mechanisms of Neurotoxicity Induced by Polymyxins and Chemoprevention. ACS Chem Neurosci 2019; 10:120-131. [PMID: 30362702 DOI: 10.1021/acschemneuro.8b00300] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Neurotoxicity is one major unwanted side-effects associated with polymyxin (i.e., colistin and polymyxin B) therapy. Clinically, colistin neurotoxicity is characterized by neurological symptoms including dizziness, visual disturbances, vertigo, confusion, hallucinations, seizures, ataxia, and facial and peripheral paresthesias. Pathologically, colistin-induced neurotoxicity is characterized by cell injury and death in neuronal cell. This Review covers our current understanding of polymyxin-induced neurotoxicity, its underlying mechanisms, and the discovery of novel neuroprotective agents to limit this neurotoxicity. In recent years, an increasing body of literature supports the notion that polymyxin-induced nerve damage is largely related to oxidative stress and mitochondrial dysfunction. P53, PI3K/Akt, and MAPK pathways are also involved in colistin-induced neuronal cell death. The activation of the redox homeostasis pathways such as Nrf2/HO-1 and autophagy have also been shown to play protective roles against polymyxin-induced neurotoxicity. These pathways have been demonstrated to be upregulated by neuroprotective agents including curcumin, rapamycin and minocycline. Further research is needed toward the development of novel polymyxin formulations in combination with neuroprotective agents to ameliorate this unwanted adverse effect during polymyxins therapy in patients.
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Affiliation(s)
- Chongshan Dai
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, P. R. China
| | - Xilong Xiao
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, P. R. China
| | - Jichang Li
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150000, P. R. China
| | - Giuseppe D. Ciccotosto
- Department of Pharmacology & Therapeutics, School of Biomedical Sciences, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Roberto Cappai
- Department of Pharmacology & Therapeutics, School of Biomedical Sciences, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Shusheng Tang
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, P. R. China
| | - Elena K. Schneider-Futschik
- Department of Pharmacology & Therapeutics, School of Biomedical Sciences, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Parkville, Victoria 3010, Australia
| | - Daniel Hoyer
- Department of Pharmacology & Therapeutics, School of Biomedical Sciences, Faculty of Medicine, Dentistry and Health Sciences, The University of Melbourne, Parkville, Victoria 3010, Australia
- The Florey Institute of Neuroscience and Mental Health, The University of Melbourne, 30 Royal Parade, Parkville, Victoria 3052, Australia
- Department of Molecular Medicine, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, United States
| | - Tony Velkov
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, Northeast Agricultural University, Harbin 150000, P. R. China
| | - Jianzhong Shen
- Department of Veterinary Pharmacology and Toxicology, College of Veterinary Medicine, China Agricultural University, No. 2 Yuanmingyuan West Road, Beijing 100193, P. R. China
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Jin X, Jiang R, Xiang Y, Fan Z, Wu Z, Yang B, Yang L, Wei S, Yang Y. Overexpression of retinoblastoma‑binding protein 4 contributes to the radiosensitivity of AGS gastric cancer cells via phosphoinositide3‑kinase/protein kinase B pathway suppression. Mol Med Rep 2018; 18:1571-1581. [PMID: 29901205 PMCID: PMC6072197 DOI: 10.3892/mmr.2018.9153] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Accepted: 05/04/2018] [Indexed: 12/16/2022] Open
Abstract
In the present study, the effects and underlying mechanism of RbAp48 on the radiosensitivity of AGS gastric cancer cells was investigated. Cell proliferation was determined with an MTT assay. Flow cytometry was performed to evaluate the cell cycle and apoptosis. Reverse transcription-quantitative polymerase chain reaction and western blot analysis were performed to detect mRNA and protein expression, respectively, including RbAp48, phosphoinositide 3-kinase (PI3K) and protein kinase B (Akt). The results revealed that radiation enhanced the expression level of RbAp48 in AGS cells, and that RbAp48 combined with radiation reduced AGS cell proliferation. In addition, RbAp48 combined with radiation resulted in G2 phase arrest and induced apoptosis via regulation of the PI3K/Akt pathway. In conclusion, it was demonstrated that overexpression of RbAp48 enhanced the radiosensitivity of AGS gastric cancer cells via suppression of PI3K/Akt pathway activity, suggesting that RbAp48 may hold potential as a gene therapeutic strategy in the future, aiding in the treatment of gastric cancer.
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Affiliation(s)
- Xiaoxi Jin
- Laboratory Department, Jingmen No. 1 People's Hospital, Jingmen, Hubei 448000, P.R. China
| | - Rui Jiang
- Department of Hematology, Jingmen No. 1 People's Hospital, Jingmen, Hubei 448000, P.R. China
| | - Yongsheng Xiang
- Department of Hematology, Jingmen No. 1 People's Hospital, Jingmen, Hubei 448000, P.R. China
| | - Zhen Fan
- Department of Hematology, Jingmen No. 1 People's Hospital, Jingmen, Hubei 448000, P.R. China
| | - Zhiwei Wu
- Department of Hematology, Jingmen No. 1 People's Hospital, Jingmen, Hubei 448000, P.R. China
| | - Bo Yang
- Department of Hematology, Jingmen No. 1 People's Hospital, Jingmen, Hubei 448000, P.R. China
| | - Lujun Yang
- Department of Hematology, Jingmen No. 1 People's Hospital, Jingmen, Hubei 448000, P.R. China
| | - Shanshan Wei
- Department of Hematology, Jingmen No. 1 People's Hospital, Jingmen, Hubei 448000, P.R. China
| | - Yan Yang
- Laboratory Department, Jingmen No. 1 People's Hospital, Jingmen, Hubei 448000, P.R. China
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