1
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Xiang Z, Guan H, Zhao X, Xie Q, Xie Z, Cai F, Dang R, Li M, Wang C. Dietary gallic acid as an antioxidant: A review of its food industry applications, health benefits, bioavailability, nano-delivery systems, and drug interactions. Food Res Int 2024; 180:114068. [PMID: 38395544 DOI: 10.1016/j.foodres.2024.114068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2023] [Revised: 01/12/2024] [Accepted: 01/25/2024] [Indexed: 02/25/2024]
Abstract
Gallic acid (GA), a dietary phenolic acid with potent antioxidant activity, is widely distributed in edible plants. GA has been applied in the food industry as an antimicrobial agent, food fresh-keeping agent, oil stabilizer, active food wrap material, and food processing stabilizer. GA is a potential dietary supplement due to its health benefits on various functional disorders associated with oxidative stress, including renal, neurological, hepatic, pulmonary, reproductive, and cardiovascular diseases. GA is rapidly absorbed and metabolized after oral administration, resulting in low bioavailability, which is susceptible to various factors, such as intestinal microbiota, transporters, and metabolism of galloyl derivatives. GA exhibits a tendency to distribute primarily to the kidney, liver, heart, and brain. A total of 37 metabolites of GA has been identified, and decarboxylation and dihydroxylation in phase I metabolism and sulfation, glucuronidation, and methylation in phase Ⅱ metabolism are considered the main in vivo biotransformation pathways of GA. Different types of nanocarriers, such as polymeric nanoparticles, dendrimers, and nanodots, have been successfully developed to enhance the health-promoting function of GA by increasing bioavailability. GA may induce drug interactions with conventional drugs, such as hydroxyurea, linagliptin, and diltiazem, due to its inhibitory effects on metabolic enzymes, including cytochrome P450 3A4 and 2D6, and transporters, including P-glycoprotein, breast cancer resistance protein, and organic anion-transporting polypeptide 1B3. In conclusion, in-depth studies of GA on food industry applications, health benefits, bioavailability, nano-delivery systems, and drug interactions have laid the foundation for its comprehensive application as a food additive and dietary supplement.
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Affiliation(s)
- Zedong Xiang
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, The MOE Laboratory of Standardization of Chinese Medicines, Shanghai R&D Center for Standardization of Chinese Medicines, 1200 Cailun Road, 201203, China
| | - Huida Guan
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, The MOE Laboratory of Standardization of Chinese Medicines, Shanghai R&D Center for Standardization of Chinese Medicines, 1200 Cailun Road, 201203, China
| | - Xiang Zhao
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, The MOE Laboratory of Standardization of Chinese Medicines, Shanghai R&D Center for Standardization of Chinese Medicines, 1200 Cailun Road, 201203, China
| | - Qi Xie
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, The MOE Laboratory of Standardization of Chinese Medicines, Shanghai R&D Center for Standardization of Chinese Medicines, 1200 Cailun Road, 201203, China
| | - Zhejun Xie
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, The MOE Laboratory of Standardization of Chinese Medicines, Shanghai R&D Center for Standardization of Chinese Medicines, 1200 Cailun Road, 201203, China
| | - Fujie Cai
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, The MOE Laboratory of Standardization of Chinese Medicines, Shanghai R&D Center for Standardization of Chinese Medicines, 1200 Cailun Road, 201203, China
| | - Rui Dang
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, The MOE Laboratory of Standardization of Chinese Medicines, Shanghai R&D Center for Standardization of Chinese Medicines, 1200 Cailun Road, 201203, China
| | - Manlin Li
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, The MOE Laboratory of Standardization of Chinese Medicines, Shanghai R&D Center for Standardization of Chinese Medicines, 1200 Cailun Road, 201203, China.
| | - Changhong Wang
- Institute of Chinese Materia Medica, Shanghai University of Traditional Chinese Medicine, The MOE Laboratory of Standardization of Chinese Medicines, Shanghai R&D Center for Standardization of Chinese Medicines, 1200 Cailun Road, 201203, China.
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2
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Wang L, Yan Y, Wu L, Peng J. Natural products in non-alcoholic fatty liver disease (NAFLD): Novel lead discovery for drug development. Pharmacol Res 2023; 196:106925. [PMID: 37714392 DOI: 10.1016/j.phrs.2023.106925] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Revised: 09/06/2023] [Accepted: 09/12/2023] [Indexed: 09/17/2023]
Abstract
With changing lifestyles, non-alcoholic fatty liver disease (NAFLD) has become the most prevalent liver disease worldwide. A substantial increase in the incidence, mortality, and associated burden of NAFLD-related advanced liver disease is expected. Currently, the initial diagnosis of NAFLD is still based on ultrasound and there is no approved treatment method. Lipid-lowering drugs, vitamin supplementation, and lifestyle improvement treatments are commonly used in clinical practice. However, most lipid-lowering drugs can produce poor patient compliance and specific adverse effects. Therefore, the exploration of bio-diagnostic markers and active lead compounds for the development of innovative drugs is urgently needed. More and more studies have reported the anti-NAFLD effects and mechanisms of natural products (NPs), which have become an important source for new drug development to treat NAFLD due to their high activity and low side effects. At present, berberine and silymarin have been approved by the US FDA to enter clinical phase IV studies, demonstrating the potential of NPs against NAFLD. Studies have found that the regulation of lipid metabolism, insulin resistance, oxidative stress, and inflammation-related pathways may play important roles in the process. With the continuous updating of technical means and scientific theories, in-depth research on the targets and mechanisms of NPs against NAFLD can provide new possibilities to find bio-diagnostic markers and innovative drugs. As we know, FXR agonists, PPARα agonists, and dual CCR2/5 inhibitors are gradually coming on stage for the treatment of NAFLD. Whether NPs can exert anti-NAFLD effects by regulating these targets or some unknown targets remains to be further studied. Therefore, the study reviewed the potential anti-NAFLD NPs and their targets. Some works on the discovery of new targets and the docking of active lead compounds were also discussed. It is hoped that this review can provide some reference values for the development of non-invasive diagnostic markers and new drugs against NAFLD in the clinic.
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Affiliation(s)
- Lu Wang
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
| | - Yonghuan Yan
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
| | - Linfang Wu
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China
| | - Jinyong Peng
- School of Pharmacy, Anhui University of Chinese Medicine, Hefei 230012, China; College of Pharmacy, Dalian Medical University, Western 9 Lvshunnan Road, Dalian 116044, China.
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3
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Nguyen HD. An evaluation of the effects of mixed heavy metals on prediabetes and type 2 diabetes: epidemiological and toxicogenomic analysis. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023:10.1007/s11356-023-28037-3. [PMID: 37326729 DOI: 10.1007/s11356-023-28037-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/26/2022] [Accepted: 05/29/2023] [Indexed: 06/17/2023]
Abstract
The link between mixed heavy metals (mercury, lead, and cadmium), prediabetes, and type 2 diabetes mellitus (T2DM), especially molecular mechanisms, is poorly understood. Thus, we aimed to identify the association between mixed heavy metals and T2DM and its components using a data set from the Korean National Health and Nutrition Examination Survey. We further analyzed the main molecular mechanisms implicated in T2DM development induced by mixed heavy metals using in-silico analysis. Our findings observed that serum mercury was associated with prediabetes, elevated glucose, and ln2-transformed glucose when using different statistical methods. "AGE-RAGE signaling pathway in diabetic complications", "non-alcoholic fatty liver disease", "metabolic Syndrome X", and three miRNAs (hsa-miR-98-5p, hsa-let-7a-5p, and hsa-miR-34a-5p) were listed as the most important molecular mechanisms related to T2DM development caused by mixed heavy metals. These miRNA sponge structures were created and examined, and they may be beneficial in the treatment of T2DM. The predicted cutoff values for three heavy metal levels linked to T2DM and its components were specifically identified. Our results imply that chronic exposure to heavy metals, particularly mercury, may contribute to the development of T2DM. To understand the changes in the pathophysiology of T2DM brought on by a combination of heavy metals, more research is required.
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Affiliation(s)
- Hai Duc Nguyen
- Department of Pharmacy, College of Pharmacy and Research Institute of Life and Pharmaceutical Sciences, Sunchon National University, Sunchon, 57922, Jeonnam, Republic of Korea.
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4
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Sunagar RR, Sreerama YN. Implication of solvent polarities on browntop millet (Urochloa ramosa) phenolic antioxidants and their ability to protect oxidative DNA damage and inhibit α-amylase and α-glucosidase enzymes. Food Chem 2023; 411:135474. [PMID: 36681026 DOI: 10.1016/j.foodchem.2023.135474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2022] [Revised: 01/02/2023] [Accepted: 01/10/2023] [Indexed: 01/13/2023]
Abstract
Phenolics of browntop millet extracted in solvents with varying polarities [water, methanol, acetone (80%), ethanol (70%)] were comparatively assessed for their phenolic profiles, antioxidant activities, DNA damage protection and enzyme inhibitory properties. Results indicated that acetone (80%) and ethanol (70%) were most effective in extracting millet phenolics than other solvents. Gallic, caffeic and ferulic acids were the major phenolic acids, myricetin and kaempferol were the most abundant flavonoids detected in all the extracts of browntop millet. Phenolics extracted in 80% acetone and 70% ethanol offered noticeable contributions toward several antioxidant mechanisms and prevented the oxidative DNA damage than water and methanol extracts. All the millet extracts exhibited potent inhibition towards α-glucosidase than α-amylase activities. These results suggest that the solvents and their polarities impacted the extraction and bioactivities of millet phenolics and provided useful information for the effective utilization of browntop millet as a functional food ingredient to manage hyperglycemia.
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Affiliation(s)
- Raghavakumari R Sunagar
- Department of Grain Science and Technology, CSIR-Central Food Technological Research Institute, Mysuru 570020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Yadahally N Sreerama
- Department of Grain Science and Technology, CSIR-Central Food Technological Research Institute, Mysuru 570020, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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5
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Zhu Y, Tan JK, Wong SK, Goon JA. Therapeutic Effects of microRNAs on Nonalcoholic Fatty Liver Disease (NAFLD) and Nonalcoholic Steatohepatitis (NASH): A Systematic Review and Meta-Analysis. Int J Mol Sci 2023; 24:ijms24119168. [PMID: 37298120 DOI: 10.3390/ijms24119168] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2023] [Revised: 04/26/2023] [Accepted: 04/28/2023] [Indexed: 06/12/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) has emerged as a global health problem that affects people even at young ages due to unhealthy lifestyles. Without intervention, NAFLD will develop into nonalcoholic steatohepatitis (NASH) and eventually liver cirrhosis and hepatocellular carcinoma. Although lifestyle interventions are therapeutic, effective implementation remains challenging. In the efforts to establish effective treatment for NAFLD/NASH, microRNA (miRNA)-based therapies began to evolve in the last decade. Therefore, this systematic review aims to summarize current knowledge on the promising miRNA-based approaches in NAFLD/NASH therapies. A current systematic evaluation and a meta-analysis were conducted according to the PRISMA statement. In addition, a comprehensive exploration of PubMed, Cochrane, and Scopus databases was conducted to perform article searches. A total of 56 different miRNAs were reported as potential therapeutic agents in these studies. miRNA-34a antagonist/inhibitor was found to be the most studied variant (n = 7), and it significantly improved the hepatic total cholesterol, total triglyceride, Aspartate Aminotransferase (AST), and Alanine Transaminase (ALT) levels based on a meta-analysis. The biological processes mediated by these miRNAs involved hepatic fat accumulation, inflammation, and fibrosis. miRNAs have shown enormous therapeutic potential in the management of NAFLD/NASH, wherein miRNA-34a antagonist has been found to be an exceptional potential agent for the treatment of NAFLD/NASH.
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Affiliation(s)
- Yuezhi Zhu
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
| | - Jen Kit Tan
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
| | - Sok Kuan Wong
- Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
| | - Jo Aan Goon
- Department of Biochemistry, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur 56000, Malaysia
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6
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Zujko ME, Witkowska AM. Dietary Antioxidants and Chronic Diseases. Antioxidants (Basel) 2023; 12:antiox12020362. [PMID: 36829921 PMCID: PMC9952631 DOI: 10.3390/antiox12020362] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
Chronic diseases, most notably diabetes, cancer, cardiovascular diseases, neurodegenerative diseases, thyroid diseases, and allergic diseases are major causes of death, disability, and a lower quality of life in various populations [...].
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7
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Chen L, Yu S, Hong S, Lin X, Zhu X, Cao X, Li Y, Xiao H. Therapeutic role of Artemether in the prevention of hepatic steatosis through miR‐34a‐5p/PPARα pathway. Drug Dev Res 2022; 84:156-171. [PMID: 36541217 DOI: 10.1002/ddr.22020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 11/10/2022] [Accepted: 11/18/2022] [Indexed: 12/24/2022]
Abstract
Artemether (ATM) is a natural antimalarial drug that can also regulate glucose and lipid metabolism. However, little is known regarding its pharmacological action in metabolic dysfunction-associated fatty liver disease (MAFLD), and the underlying mechanisms remain undetermined. The aim of this study was to explore the therapeutic effects of ATM against hepatic steatosis and the possible mechanisms. ATM significantly decreased blood glucose levels, improved glucose tolerance, reduced inflammatory response, and alleviated hepatic steatosis in the ob/ob mouse model as well as the high-fat diet-fed mice. ATM also inhibited lipid accumulation in murine hepatocytes in vitro. Using RNA sequencing, miR-34a-5p and peroxisome proliferator-activated receptor-α (PPARα) were identified as important regulators during ATM treatment. ATM administration downregulated miR-34a-5p expression and miR-34a-5p abrogated the inhibitory effects of ATM on PO (palmitate + oleate)-induced lipid accumulation as well as triglycerides levels in murine hepatocytes. Furthermore, the expression of PPARα, a target gene of miR-34a-5p, was upregulated by ATM and PPARα inhibitor MK-886 abolished the positive effect of ATM. Consequently, PPARα agonist fenofibrate reversed the decreased mitochondrial fatty acid β-oxidation induced by miR-34a-5p mimics after ATM treatment, thereby leading to attenuation of intracellular lipid accumulation. Taken together, ATM is a promising therapeutic agent against MAFLD that reduces lipid deposition by suppressing miR-34a-5p and upregulating PPARα.
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Affiliation(s)
- Li Chen
- Department of Endocrinology The First Affiliated Hospital of Sun Yat‐Sen University Guangzhou China
| | - Shuang Yu
- Department of Endocrinology The First Affiliated Hospital of Sun Yat‐Sen University Guangzhou China
| | - Shubing Hong
- Department of Endocrinology The First Affiliated Hospital of Sun Yat‐Sen University Guangzhou China
| | - Xia Lin
- State Key Laboratory for Respiratory Diseases Guangzhou Medical University Guangzhou China
| | - Xiaonan Zhu
- Zhongshan School of Medicine Sun Yat‐Sen University Guangzhou China
| | - Xiaopei Cao
- Department of Endocrinology The First Affiliated Hospital of Sun Yat‐Sen University Guangzhou China
| | - Yanbing Li
- Department of Endocrinology The First Affiliated Hospital of Sun Yat‐Sen University Guangzhou China
| | - Haipeng Xiao
- Department of Endocrinology The First Affiliated Hospital of Sun Yat‐Sen University Guangzhou China
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8
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Hung TW, Yu MH, Yang TY, Yang MY, Chen JY, Chan KC, Wang CJ. Acarbose Protects Glucolipotoxicity-Induced Diabetic Nephropathy by Inhibiting Ras Expression in High-Fat Diet-Fed db/db Mice. Int J Mol Sci 2022; 23:ijms232315312. [PMID: 36499639 PMCID: PMC9736061 DOI: 10.3390/ijms232315312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 11/22/2022] [Accepted: 12/01/2022] [Indexed: 12/09/2022] Open
Abstract
Diabetic nephropathy (DN) exacerbates renal tissue damage and is a major cause of end-stage renal disease. Reactive oxygen species play a vital role in hyperglycemia-induced renal injury. This study examined whether the oral hypoglycemic drug acarbose (Ab) could attenuate the progression of DN in type 2 diabetes mellitus mice. In this study, 50 mg/kg body weight of Ab was administered to high-fat diet (HFD)-fed db/db mice. Their body weight was recorded every week, and the serum glucose concentration was monitored every 2 weeks. Following their euthanasia, the kidneys of mice were analyzed through hematoxylin and eosin, periodic acid Schiff, Masson's trichrome, and immunohistochemistry (IHC) staining. The results revealed that Ab stabilized the plasma glucose and indirectly improved the insulin sensitivity and renal functional biomarkers in diabetic mice. In addition, diabetes-induced glomerular hypertrophy, the saccharide accumulation, and formation of collagen fiber were reduced in diabetic mice receiving Ab. Although the dosages of Ab cannot decrease the blood sugar in db/db mice, our results indicate that Ab alleviates glucolipotoxicity-induced DN by inhibiting kidney fibrosis-related proteins through the Ras/ERK pathway.
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Affiliation(s)
- Tung-Wei Hung
- School of Medicine, Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
- Department of Medicine, Division of Nephrology, Chung Shan Medical University Hospital, Taichung 402, Taiwan
| | - Meng-Hsun Yu
- Department of Nutrition, Chung Shan Medical University, No. 110, Sec. 1, Jianguo N. Road, Taichung 402, Taiwan
- Department of Health Industry Technology Management, Chung Shan Medical University, Taichung 402, Taiwan
| | - Tsung-Yuan Yang
- School of Medicine, Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
- Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung 402, Taiwan
| | - Mon-Yuan Yang
- Department of Health Industry Technology Management, Chung Shan Medical University, Taichung 402, Taiwan
| | - Jia-Yu Chen
- Department of Health Industry Technology Management, Chung Shan Medical University, Taichung 402, Taiwan
| | - Kuei-Chuan Chan
- School of Medicine, Institute of Medicine, Chung Shan Medical University, Taichung 402, Taiwan
- Department of Internal Medicine, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- Correspondence: (K.-C.C.); (C.-J.W.); Tel.: +886-4-247-30022 (ext. 34704) (K.-C.C.); +886-4-247-30022 (ext. 11670) (C.-J.W.)
| | - Chau-Jong Wang
- Department of Health Industry Technology Management, Chung Shan Medical University, Taichung 402, Taiwan
- Department of Medical Research, Chung Shan Medical University Hospital, Taichung 402, Taiwan
- Correspondence: (K.-C.C.); (C.-J.W.); Tel.: +886-4-247-30022 (ext. 34704) (K.-C.C.); +886-4-247-30022 (ext. 11670) (C.-J.W.)
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9
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Wang B, Tang X, Mao B, Zhang Q, Tian F, Zhao J, Cui S, Chen W. Anti-aging effects and mechanisms of anthocyanins and their intestinal microflora metabolites. Crit Rev Food Sci Nutr 2022; 64:2358-2374. [PMID: 36128763 DOI: 10.1080/10408398.2022.2123444] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
Abstract
Aging, a natural and inevitable physiological process, is the primary risk factor for all age-related diseases; it severely threatens the health of individuals and places a heavy burden on the public health-care system. Thus, strategies to extend the lifespan and prevent and treat age-related diseases have been gaining increasing scientific interest. Anthocyanins (ACNs) are a subclass of flavonoids widely distributed in fruits and vegetables. Growing evidence suggests that ACNs delay aging and relieve age-related diseases. However, owing to the low bioavailability of ACNs, their gut metabolites have been proposed to play a critical role in mediating health benefits. In this review, we introduce the biological fate of ACNs after consumption and highlight ACNs metabolites (phenolic acids) from intestinal microorganisms. Additionally, ACNs and gut metabolites exhibit outstanding anti-aging ability in Caenorhabditis elegans, Drosophila melanogaster, and mouse models, probably associated with increasing antioxidation, anti-inflammation, protein homeostasis, antiglycation, mitochondrial function, and inhibition of insulin/IGF-1 signaling (IIS). ACNs and gut metabolites have great application prospects as functional foods and drugs to delay aging and manage age-related diseases. Further investigation should focus on the interaction between ACNs and gut microbiota, including clarifying the complex metabolic pathway and maximizing the health effects of ACNs.
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Affiliation(s)
- Bulei Wang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Xin Tang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Bingyong Mao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Qiuxiang Zhang
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Fengwei Tian
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Jianxin Zhao
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Shumao Cui
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Wei Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
- National Engineering Research Center for Functional Food, Jiangnan University, Wuxi, China
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10
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Scurti S, Caretti D, Mollica F, Di Antonio E, Amorati R. Chain-Breaking Antioxidant and Peroxyl Radical Trapping Activity of Phenol-Coated Magnetic Iron Oxide Nanoparticles. Antioxidants (Basel) 2022; 11:antiox11061163. [PMID: 35740061 PMCID: PMC9219998 DOI: 10.3390/antiox11061163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 06/08/2022] [Accepted: 06/10/2022] [Indexed: 11/18/2022] Open
Abstract
Superparamagnetic iron oxide nanoparticles (SPION) are important materials for biomedical applications, and phenol capping is a common procedure to passivate their surface. As phenol capped SPION have been reported to behave as antioxidants, herein, we investigate the mechanism underlying this activity by studying the reaction with alkyl peroxyl (ROO•) radicals. SPION were prepared by coprecipitation of Fe(II) and Fe(III), using phenolic antioxidants (gallic acid, Trolox and nordihydroguaiaretic acid) as post-synthesis capping agents and by different purification procedures. The reactivity of ROO• was investigated by inhibited autoxidation studies, using styrene as an oxidizable substrate (solvent MeCN, 30 °C) and azo-bis(isobutyronitrile) as a radical initiator. While unprotected, bare SPION behaved as prooxidant, accelerating the O2 consumption of styrene autoxidation, phenol capping provided a variable antioxidant effect that was dependent upon the purification degree of the material. Thoroughly washed SPION, containing from 7% to 14% (w/w) of phenols, had a low reactivity toward peroxyl radicals, while SPION with a higher phenol content (46% to 55%) showed a strong radical trapping activity. Our results indicate that the antioxidant activity of phenol-capped SPION can be caused by its release in a solution of weakly bound phenols, and that purification plays a major role in determining the properties of these materials.
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Affiliation(s)
- Stefano Scurti
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, UdR INSTM of Bologna, Viale Risorgimento 4, 40136 Bologna, Italy; (S.S.); (D.C.)
| | - Daniele Caretti
- Department of Industrial Chemistry “Toso Montanari”, University of Bologna, UdR INSTM of Bologna, Viale Risorgimento 4, 40136 Bologna, Italy; (S.S.); (D.C.)
| | - Fabio Mollica
- Department of Chemistry “G. Ciamician”, University of Bologna, Via San Giacomo 11, 40126 Bologna, Italy; (F.M.); (E.D.A.)
| | - Erika Di Antonio
- Department of Chemistry “G. Ciamician”, University of Bologna, Via San Giacomo 11, 40126 Bologna, Italy; (F.M.); (E.D.A.)
| | - Riccardo Amorati
- Department of Chemistry “G. Ciamician”, University of Bologna, Via San Giacomo 11, 40126 Bologna, Italy; (F.M.); (E.D.A.)
- Correspondence:
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11
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Zhai J, Zhu Y, Wu Y, Li N, Cao Y, Guo Y, Xu L. Antioxidant Effect of Tyr-Ala Extracted from Zein on INS-1 Cells and Type 2 Diabetes High-Fat-Diet-Induced Mice. Antioxidants (Basel) 2022; 11:antiox11061111. [PMID: 35740008 PMCID: PMC9219942 DOI: 10.3390/antiox11061111] [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: 05/06/2022] [Revised: 05/23/2022] [Accepted: 05/29/2022] [Indexed: 11/16/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is associated with an oxidative milieu that often leads to adverse health problems. Bioactive peptides of zein possess outstanding antioxidant activity; however, their effects on hyperglycemia-related oxidative stress remain elusive. In the present study, the dipeptide Tyr-Ala (YA), a functional peptide with typical health benefits, was applied to alleviate oxidative stress in pancreatic islets under hyperglycemic conditions. By detecting viability, antioxidant ability, and insulin secretion in INS-1 cells, YA showed excellent protection of INS-1 cells from H2O2 oxidative stress, erasing reactive oxygen species (ROS) and promoting insulin secretion. Moreover, by Western blotting, we found that YA can regulate the PI3K/Akt signaling pathway associated with glycometabolism. After establishing a T2DM mice model, we treated mice with YA and measured glucose, insulin, hemoglobin A1C (HbA1c), total cholesterol (TC), triglyceride (TG), and malonaldehyde (MDA) levels and activities of superoxide dismutase (SOD) and glutathione (GSH) from blood samples. We observed that YA could reduce the production of glucose, insulin, HbA1c, TC, TG, and MDA, in addition to enhancing the activities of SOD and GSH. YA could also repair the function of the kidneys and pancreas of T2DM mice. Along with the decline in fasting blood glucose, the oxidative stress in islets was alleviated in T2DM mice after YA administration. This may improve the health situation of diabetic patients in the future.
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Affiliation(s)
- Jinghui Zhai
- Key Laboratory for Molecular Enzymology and Engineering, The Ministry of Education, National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun 130012, China; (J.Z.); (Y.Z.); (N.L.); (Y.C.)
- Department of Pharmacy, First Hospital of Jilin University, Changchun 130021, China
| | - Yuhua Zhu
- Key Laboratory for Molecular Enzymology and Engineering, The Ministry of Education, National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun 130012, China; (J.Z.); (Y.Z.); (N.L.); (Y.C.)
| | - Yi Wu
- College of Pharmacy, Jilin University, Changchun 130033, China;
| | - Na Li
- Key Laboratory for Molecular Enzymology and Engineering, The Ministry of Education, National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun 130012, China; (J.Z.); (Y.Z.); (N.L.); (Y.C.)
| | - Yue Cao
- Key Laboratory for Molecular Enzymology and Engineering, The Ministry of Education, National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun 130012, China; (J.Z.); (Y.Z.); (N.L.); (Y.C.)
| | - Yi Guo
- Key Laboratory for Molecular Enzymology and Engineering, The Ministry of Education, National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun 130012, China; (J.Z.); (Y.Z.); (N.L.); (Y.C.)
- Correspondence: (Y.G.); (L.X.)
| | - Li Xu
- Key Laboratory for Molecular Enzymology and Engineering, The Ministry of Education, National Engineering Laboratory for AIDS Vaccine, School of Life Sciences, Jilin University, Changchun 130012, China; (J.Z.); (Y.Z.); (N.L.); (Y.C.)
- Correspondence: (Y.G.); (L.X.)
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