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Recent Updates on Development of Protein-Tyrosine Phosphatase 1B Inhibitors for Treatment of Diabetes, Obesity and Related Disorders. Bioorg Chem 2022; 121:105626. [DOI: 10.1016/j.bioorg.2022.105626] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2021] [Revised: 12/19/2021] [Accepted: 01/13/2022] [Indexed: 01/30/2023]
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Chen Y, Qie X, Quan W, Zeng M, Qin F, Chen J, Adhikari B, He Z. Omnifarious fruit polyphenols: an omnipotent strategy to prevent and intervene diabetes and related complication? Crit Rev Food Sci Nutr 2021:1-37. [PMID: 34792409 DOI: 10.1080/10408398.2021.2000932] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Diabetes mellitus is a metabolic syndrome which cannot be cured. Recently, considerable interest has been focused on food ingredients to prevent and intervene in complications of diabetes. Polyphenolic compounds are one of the bioactive phytochemical constituents with various biological activities, which have drawn increasing interest in human health. Fruits are part of the polyphenol sources in daily food consumption. Fruit-derived polyphenols possess the anti-diabetic activity that has already been proved either from in vitro studies or in vivo studies. The mechanisms of fruit polyphenols in treating diabetes and related complications are under discussion. This is a comprehensive review on polyphenols from the edible parts of fruits, including those from citrus, berries, apples, cherries, mangoes, mangosteens, pomegranates, and other fruits regarding their potential benefits in preventing and treating diabetes mellitus. The signal pathways of characteristic polyphenols derived from fruits in reducing high blood glucose and intervening hyperglycemia-induced diabetic complications were summarized.
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Affiliation(s)
- Yao Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Xuejiao Qie
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Wei Quan
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Maomao Zeng
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Fang Qin
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Jie Chen
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
| | - Benu Adhikari
- School of Science, RMIT University, Melbourne, Victoria, Australia
| | - Zhiyong He
- State Key Laboratory of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, China.,International Joint Laboratory on Food Safety, Jiangnan University, Wuxi, Jiangsu, China
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Bashir K, Naz S, Farooq U, Wahid F, Shah AJ, McCauley EP, Crews P, Khan T. Assessing the ethnobotanical potential of Carissa opaca berries by merging outcomes from metabolomics profiling, enzyme assays, and in silico docking studies. Food Chem 2021; 363:130259. [PMID: 34116492 DOI: 10.1016/j.foodchem.2021.130259] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Revised: 05/24/2021] [Accepted: 05/30/2021] [Indexed: 11/18/2022]
Abstract
The phytochemical profile of Carissa opaca fruit extract and fractions was established through dereplication strategies employing LC-MS/MS and global natural product social molecular networking (GNPS). Crude extract and fractions were evaluated for their potential to inhibit α-glucosidase and urease in vitro. Flavonoid-O-glycosides, flavonoid-C-glycosides, flavonoids, proanthocyanidin B2, phenolics, and triterpenoids were annotated as the major classes of secondary metabolites present in the extract and fractions. α-Glucosidase inhibition was associated with n-butanol and ethyl acetate fractions comparable to acarbose (IC50 = 120.43 µg/mL) with IC50 values of 123.67 and 131.72 µg/mL, respectively. The ethyl acetate fraction showed good urease inhibition comparable with thiourea (IC50 = 103.71 µg/mL) with an IC50 value of 109.14 µg/mL. Molecular docking studies of compounds observed in the crude extract and bioactive fractions had significant binding scores, which supported results for enzyme inhibition in vitro. This study provided a detailed phytochemical profile of C. opaca fruit and its enzyme inhibition potential.
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Affiliation(s)
- Kashif Bashir
- Department of Pharmacy, COMSATS University Islamabad, Abbottabad Campus 22060, Pakistan
| | - Sadia Naz
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus 22060, Pakistan
| | - Umar Farooq
- Department of Chemistry, COMSATS University Islamabad, Abbottabad Campus 22060, Pakistan
| | - Fazli Wahid
- Department of Biomedical Sciences, Pak-Austria Fachhochschule: Institute of Applied Sciences and Technology, Mang, Khanpur Road, Haripur, Pakistan
| | - Abdul Jabbar Shah
- Department of Pharmacy, COMSATS University Islamabad, Abbottabad Campus 22060, Pakistan
| | - Erin P McCauley
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, CA 95064, United States; Department of Chemistry and Biochemistry, California State University Dominguez Hills, Carson, CA 90747, United States
| | - Phillip Crews
- Department of Chemistry and Biochemistry, University of California, Santa Cruz, CA 95064, United States
| | - Taous Khan
- Department of Pharmacy, COMSATS University Islamabad, Abbottabad Campus 22060, Pakistan.
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Yang YC, Mong MC, Wu WT, Wang ZH, Yin MC. Phytochemical profiles and anti-diabetic benefits of two edible Amaranthus species. CYTA - JOURNAL OF FOOD 2020. [DOI: 10.1080/19476337.2020.1716850] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Ya-Chen Yang
- Department of Food Nutrition and Health Biotechnology, Asia University, Taichung, Taiwan
| | - Mei-Chin Mong
- Department of Food Nutrition and Health Biotechnology, Asia University, Taichung, Taiwan
| | - Wen-Tzu Wu
- Department of Food Nutrition and Health Biotechnology, Asia University, Taichung, Taiwan
| | - Zhi-Hong Wang
- Department of Food Nutrition and Health Biotechnology, Asia University, Taichung, Taiwan
| | - Mei-Chin Yin
- Department of Food Nutrition and Health Biotechnology, Asia University, Taichung, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
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Chen X, Xu B, Nie L, He K, Zhou L, Huang X, Spencer P, Yang X, Liu J. Flavanol-rich lychee fruit extract substantially reduces progressive cognitive and molecular deficits in a triple-transgenic animal model of Alzheimer disease. Nutr Neurosci 2019; 24:720-734. [PMID: 31603034 DOI: 10.1080/1028415x.2019.1673527] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Effective treatment to prevent or arrest the advance of Alzheimer disease (AD) has yet to be discovered. We investigated whether OligonolR, an FDA-approved flavanol-rich extract prepared from lychee fruit and green tea, exerted beneficial effects relevant to AD in a triple transgenic male mouse model of AD (3×Tg-AD). At 9 months of age, untreated 3×Tg-AD mice vs. wild-type (WT) controls displayed cognitive deficits in behavioral assays and, at 12 months, elevated levels of hippocampal amyloid beta-protein (Aβ), amyloid precursor protein (APP), tau phosphorylation, and pro-inflammatory cytokines. 3×Tg-AD mice given Oligonol showed fewer cognitive deficits and attenuated pathological indices at 12 months. Oligonol treatment of 3×Tg-AD mice modulated expression of some critical brain proteins that involve multiple pathways relevant to mitochondrial dysfunction, proteasomal failure, endoplasmic reticulum (ER) stress and synaptic impairment. Together, these results demonstrate that continuous Oligonol treatment attenuates AD-like pathology and cognitive impairment of 3×Tg-AD mice and set the stage for clinical trials of this flavanol-rich plant extract in patients with early AD.
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Affiliation(s)
- Xiao Chen
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, People's Republic of China
| | - Benhong Xu
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, People's Republic of China
| | - Luling Nie
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, People's Republic of China
| | - Kaiwu He
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, People's Republic of China
| | - Li Zhou
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, People's Republic of China
| | - Xinfeng Huang
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, People's Republic of China
| | - Peter Spencer
- Department of Neurology, School of Medicine, Oregon Institute of Occupational Health Sciences, Oregon Health and Science University, Portland, OR, USA
| | - Xifei Yang
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, People's Republic of China
| | - Jianjun Liu
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, People's Republic of China
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Chen W, Ji H, Li L, Xu C, Zou T, Cui W, Xu S, Zhou X, Duan S, Wang Q. Significant association between GPR50 hypomethylation and AD in males. Mol Med Rep 2019; 20:1085-1092. [PMID: 31173244 PMCID: PMC6625449 DOI: 10.3892/mmr.2019.10366] [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: 10/30/2018] [Accepted: 05/01/2019] [Indexed: 12/18/2022] Open
Abstract
Alzheimer's disease (AD) is a chronic neurodegenerative disease. G protein coupled receptor 50 (GPR50) is a candidate gene for AD. The present study was designed to determine the association between GPR50 methylation and AD. The methylation levels of the GPR50 promoter in 51 patients with AD and 61 healthy controls were determined by bisulfite pyrophosphate sequencing. All participants were Han Chinese, living in Ningbo. It was identified that the GPR50 promoter methylation level was significantly decreased in the male AD group compared with the male control group (9.15 vs. 16.67%, P=0.002). In addition, it was observed that the GPR50 methylation levels of the females was significantly increased compared with that of males in both the patients with AD and the healthy control group (AD patient group: 33.00 vs. 9.15%, P<0.0001; healthy control group: 29.41 vs. 16.67%, P<0.0001). This may be explained by the fact that GPR50 is located on the X chromosome. In addition, GPR50 methylation was positively correlated with plasma cholinesterase levels in female patients with AD (r=0.489, P=0.039). The present study demonstrated that hypomethylation of the GPR50 promoter in peripheral blood may be a potential biomarker for the diagnosis of AD in Chinese Han males.
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Affiliation(s)
- Weihua Chen
- Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Huihui Ji
- Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Liping Li
- Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Chunshuang Xu
- Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Ting Zou
- Department of Internal Medicine for Cadres, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, Xinjiang Uygur Autonomous Region 830000, P.R. China
| | - Wei Cui
- Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Shujun Xu
- Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Xiaohui Zhou
- Department of Internal Medicine for Cadres, The First Affiliated Hospital of Xinjiang Medical University, Ürümqi, Xinjiang Uygur Autonomous Region 830000, P.R. China
| | - Shiwei Duan
- Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
| | - Qinwen Wang
- Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo, Zhejiang 315211, P.R. China
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Kim DH, Paudel P, Yu T, Ngo TM, Kim JA, Jung HA, Yokozawa T, Choi JS. Characterization of the inhibitory activity of natural tanshinones from Salvia miltiorrhiza roots on protein tyrosine phosphatase 1B. Chem Biol Interact 2017; 278:65-73. [DOI: 10.1016/j.cbi.2017.10.013] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2017] [Revised: 10/07/2017] [Accepted: 10/11/2017] [Indexed: 11/27/2022]
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Bhakta HK, Paudel P, Fujii H, Sato A, Park CH, Yokozawa T, Jung HA, Choi JS. Oligonol promotes glucose uptake by modulating the insulin signaling pathway in insulin-resistant HepG2 cells via inhibiting protein tyrosine phosphatase 1B. Arch Pharm Res 2017; 40:1314-1327. [PMID: 29027136 DOI: 10.1007/s12272-017-0970-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2017] [Accepted: 09/19/2017] [Indexed: 11/26/2022]
Abstract
Insulin resistance and protein tyrosine phosphatase 1B (PTP1B) overexpression are strongly associated with type 2 diabetes mellitus (T2DM), which is characterized by defects in insulin signaling and glucose intolerance. In a previous study, we demonstrated oligonol inhibits PTP1B and α-glucosidase related to T2DM. In this study, we examined the molecular mechanisms underlying the anti-diabetic effects of oligonol in insulin-resistant HepG2 cells. Glucose uptake was assessed using a fluorescent glucose tracer, 2-[N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl)amino]-2-deoxyglucose, and the signaling pathway was investigated by western blotting. Oligonol significantly increased insulin-provoked glucose uptake and decreased PTP1B expression, followed by modulation of ERK phosphorylation. In addition, oligonol activated insulin receptor substrate 1 by reducing phosphorylation at serine 307 and increasing that at tyrosine 895, and enhanced the phosphorylations of Akt and phosphatidylinositol 3-kinase. Interestingly, it also reduced the expression of two key enzymes of gluconeogenesis (glucose 6-phosphatase and phosphoenolpyruvate carboxykinase), attenuated oxidative stress by scavenging/inhibiting peroxynitrite, and reactive oxygen species (ROS) generation, and augmented the expression of nuclear factor kappa B. These findings suggest oligonol improved the insulin sensitivity of insulin-resistant HepG2 cells by attenuating the insulin signaling blockade and modulating glucose uptake and production. Furthermore, oligonol attenuated ROS-related inflammation and prevented oxidative damage in our in vitro model of type 2 diabetes. These result indicate oligonol has promising potential as a treatment for T2DM.
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Affiliation(s)
- Himanshu Kumar Bhakta
- Department of Food and Life Science, Pukyong National University, Busan, 608-737, Republic of Korea
| | - Pradeep Paudel
- Department of Food and Life Science, Pukyong National University, Busan, 608-737, Republic of Korea
| | - Hajime Fujii
- Amino Up Chemical Company Ltd., Sapporo, 004-0839, Japan
| | - Atsuya Sato
- Amino Up Chemical Company Ltd., Sapporo, 004-0839, Japan
| | - Chan Hum Park
- Department of Medicinal Crop Research, National Institute of Horticultural and Herbal Science, Rural Development Administration, Eumseong, 369-873, Republic of Korea
| | - Takako Yokozawa
- Graduate School of Science and Engineering for Research, University of Toyama, Toyama, 930-8555, Japan
| | - Hyun Ah Jung
- Department of Food Science and Human Nutrition, Chonbuk National University, Jeonju, 561-756, Republic of Korea.
| | - Jae Sue Choi
- Department of Food and Life Science, Pukyong National University, Busan, 608-737, Republic of Korea.
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Emanuele S, Lauricella M, Calvaruso G, D'Anneo A, Giuliano M. Litchi chinensis as a Functional Food and a Source of Antitumor Compounds: An Overview and a Description of Biochemical Pathways. Nutrients 2017; 9:nu9090992. [PMID: 28885570 PMCID: PMC5622752 DOI: 10.3390/nu9090992] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 09/01/2017] [Accepted: 09/04/2017] [Indexed: 12/11/2022] Open
Abstract
Litchi is a tasty fruit that is commercially grown for food consumption and nutritional benefits in various parts of the world. Due to its biological activities, the fruit is becoming increasingly known and deserves attention not only for its edible part, the pulp, but also for its peel and seed that contain beneficial substances with antioxidant, cancer preventive, antimicrobial, and anti-inflammatory functions. Although literature demonstrates the biological activity of Litchi components in reducing tumor cell viability in in vitro or in vivo models, data about the biochemical mechanisms responsible for these effects are quite fragmentary. This review specifically describes, in a comprehensive analysis, the antitumor properties of the different parts of Litchi and highlights the main biochemical mechanisms involved.
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Affiliation(s)
- Sonia Emanuele
- Department of Experimental Biomedicine and Clinical Neurosciences, Laboratory of Biochemistry, University of Palermo, 90127 Palermo, Italy.
| | - Marianna Lauricella
- Department of Experimental Biomedicine and Clinical Neurosciences, Laboratory of Biochemistry, University of Palermo, 90127 Palermo, Italy.
| | - Giuseppe Calvaruso
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, Laboratory of Biochemistry, University of Palermo, 90127 Palermo, Italy.
| | - Antonella D'Anneo
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, Laboratory of Biochemistry, University of Palermo, 90127 Palermo, Italy.
| | - Michela Giuliano
- Department of Biological, Chemical and Pharmaceutical Sciences and Technologies, Laboratory of Biochemistry, University of Palermo, 90127 Palermo, Italy.
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