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Zhong B, Robinson NA, Warner RD, Barrow CJ, Dunshea FR, Suleria HA. LC-ESI-QTOF-MS/MS Characterization of Seaweed Phenolics and Their Antioxidant Potential. Mar Drugs 2020; 18:E331. [PMID: 32599953 PMCID: PMC7344666 DOI: 10.3390/md18060331] [Citation(s) in RCA: 58] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2020] [Revised: 06/19/2020] [Accepted: 06/21/2020] [Indexed: 01/24/2023] Open
Abstract
Seaweed is an important food widely consumed in Asian countries. Seaweed has a diverse array of bioactive compounds, including dietary fiber, carbohydrate, protein, fatty acid, minerals and polyphenols, which contribute to the health benefits and commercial value of seaweed. Nevertheless, detailed information on polyphenol content in seaweeds is still limited. Therefore, the present work aimed to investigate the phenolic compounds present in eight seaweeds [Chlorophyta (green), Ulva sp., Caulerpa sp. and Codium sp.; Rhodophyta (red), Dasya sp., Grateloupia sp. and Centroceras sp.; Ochrophyta (brown), Ecklonia sp., Sargassum sp.], using liquid chromatography electrospray ionization quadrupole time-of-flight mass spectrometry (LC-ESI-QTOF-MS/MS). The total phenolic content (TPC), total flavonoid content (TFC) and total tannin content (TTC) were determined. The antioxidant potential of seaweed was assessed using a 2,2-diphenyl-1-picrylhydrazyl (DPPH) free radical scavenging assay, a 2,2'-azino-bis-3-ethylbenzothiazoline-6-sulfonic acid (ABTS) free radical scavenging assay and a ferric reducing antioxidant power (FRAP) assay. Brown seaweed species showed the highest total polyphenol content, which correlated with the highest antioxidant potential. The LC-ESI-QTOF-MS/MS tentatively identified a total of 54 phenolic compounds present in the eight seaweeds. The largest number of phenolic compounds were present in Centroceras sp. followed by Ecklonia sp. and Caulerpa sp. Using high-performance liquid chromatography-photodiode array (HPLC-PDA) quantification, the most abundant phenolic compound was p-hydroxybenzoic acid, present in Ulva sp. at 846.083 ± 0.02 μg/g fresh weight. The results obtained indicate the importance of seaweed as a promising source of polyphenols with antioxidant properties, consistent with the health potential of seaweed in food, pharmaceutical and nutraceutical applications.
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Affiliation(s)
- Biming Zhong
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC 3010, Australia; (B.Z.); (R.D.W.); (F.R.D.)
| | - Nicholas A. Robinson
- Sustainable Aquaculture Laboratory-Temperate and Tropical (SALTT), School of BioSciences, The University of Melbourne, Parkville, VIC 3010, Australia;
- Norwegian Institute of Food, Fisheries and Aquaculture Research (Nofima), NO-1431 Ås, Norway
| | - Robyn D. Warner
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC 3010, Australia; (B.Z.); (R.D.W.); (F.R.D.)
| | - Colin J. Barrow
- Centre for Chemistry and Biotechnology, School of Life and Environmental Sciences, Deakin University, Waurn Ponds, VIC 3217, Australia;
| | - Frank R. Dunshea
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC 3010, Australia; (B.Z.); (R.D.W.); (F.R.D.)
| | - Hafiz A.R. Suleria
- School of Agriculture and Food, Faculty of Veterinary and Agricultural Sciences, The University of Melbourne, Parkville, VIC 3010, Australia; (B.Z.); (R.D.W.); (F.R.D.)
- Centre for Chemistry and Biotechnology, School of Life and Environmental Sciences, Deakin University, Waurn Ponds, VIC 3217, Australia;
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Shi Q, Zhang Q, Xiang X, Tian J, Xie Y, Jin S, Yuan E, Huang R, Song C. The Hypolipidemic Effect of Active Components in the Decoction of Alisma Orientale and their Chemical Structures Characterized by LC-QTOF-MS/MS. CURR PHARM ANAL 2020. [DOI: 10.2174/1573412915666190207151908] [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
Background:
The decoction of Alisma orientale is used as a traditional medicine for the
treatment of hyperlipidemia in China with a long clinical history. The present study undertook a detailed
investigation to compare the hypolipidemic effect and chemical composition of two extracts of
Alisma orientale prepared by boiling water and organic reagent, respectively.
Methods:
The hyperlipidemic mice were induced by administration of a High-Fat Diet (HFD) for one
month. The body weight of mice and the serum Cholesterol (TC), high-density lipoprotein cholesterol
(HDL-C), Superoxide Dismutase (SOD), malondialdehyde (MDA), aspartate Aminotransferase (AST)
and alanine aminotransferase (ALT) levels were determined. Meanwhile, the chemical constituents of
the extracts were characterized using liquid chromatography-quadrupole time of flight mass spectrometry
(LC-QTOF-MS/MS).
Results:
The better hypolipidemic effect was observed in mice administered with the decoction compared
to that of methanol extract. In addition, the liver protective effects were confirmed by the photographs
stained with oil red lipid stain. As for the chemical constituents in the extracts, twenty major
components were identified or characterized using LC-QTOF-MS/MS. Among them, eight oligopeptides
were characterized for the first time and proved to only exist in the decoction of Alisma orientale.
Conclusion:
It is reasonable to assume that the oligopeptides may partially contribute to the hypolipidemic
effect of Alisma orientale. The structural characterization procedures also provide a suitable
method to analyze oligopeptide analogues in plant samples.
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Affiliation(s)
- Qingxin Shi
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, Hubei, China
| | | | - Xingliang Xiang
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, Hubei, China
| | - Ji Tian
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, Hubei, China
| | - Yun Xie
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, Hubei, China
| | - Shuna Jin
- Key Laboratory of Environment and Health, Ministry of Education & Ministry of Environmental Protection; and State Key Laboratory of Environmental Health, School of Public Health, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - En Yuan
- College of Pharmacy, Jiangxi University of Chinese Medicine, Nanchang, Jiangxi, China
| | - Rongzeng Huang
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, Hubei, China
| | - Chengwu Song
- College of Pharmacy, Hubei University of Chinese Medicine, Wuhan, Hubei, China
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53
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Wang B, Li J. Piceatannol Suppresses the Proliferation and Induced Apoptosis of Osteosarcoma Cells Through PI3K/AKT/mTOR Pathway. Cancer Manag Res 2020; 12:2631-2640. [PMID: 32368141 PMCID: PMC7182703 DOI: 10.2147/cmar.s238173] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 03/13/2020] [Indexed: 11/23/2022] Open
Abstract
Background Piceatannol (PIC) is confirmed to inhibit the proliferation of various tumors, but its role in osteosarcoma still remains unknown. This study investigated the function of PIC in osteosarcoma, aiming to provide a research basis for osteosarcoma therapy. Methods Human osteosarcoma cells in this study were, respectively, treated with PIC at various concentrations (0, 20, 40, 80 μmol/L), PI3K/AKT/mTOR pathway inhibitor (LY294002), or pathway activator (740Y-P) plus PIC. Osteosarcoma cells were subcutaneously injected into nude mice to establish xenograft models, and PIC was intraperitoneally injected into models. The activity, proliferation, apoptosis and cell cycle of treated cells were determined by MTT test, colony formation assay or a flow cytometry. The expressions of PI3K/AKT/mTOR pathway-related proteins in cells and tumor tissues were measured by Western blot (WB) analysis. Results PIC (40 and 80 μmol/L) and LY294002 availably suppressed activity and proliferation and induced apoptosis of osteosarcoma cells. PIC observably increased the number of cells retarded in G2 phase, but decreased the cell percentages in G1 and S phases. Conversely, 740Y-P reversed the effects of PIC on osteosarcoma cells, which promoted cell activity and proliferation and restrained apoptosis. In xenograft models, the volume and weight of the tumors treated by PIC were visibly alleviated than those untreated. The PI3K/AKT/mTOR pathway was prominently inhibited in PIC-treated osteosarcoma cells and tumor tissues. Conclusion PIC suppresses the proliferation and induces apoptosis of osteosarcoma cells through regulating PI3K/AKT/mTOR pathway, which is expected to be the therapeutic of osteosarcoma.
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Affiliation(s)
- Bin Wang
- Third Department of Orthopaedics, Shengjing Hospital of China Medical University, Shenyang, Liaoning, People's Republic of China
| | - Jingyu Li
- Department of Ultrasonography, Shengjing Hospital of China Medical University, Shenyang, Liaoning, People's Republic of China
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Banik K, Ranaware AM, Harsha C, Nitesh T, Girisa S, Deshpande V, Fan L, Nalawade SP, Sethi G, Kunnumakkara AB. Piceatannol: A natural stilbene for the prevention and treatment of cancer. Pharmacol Res 2020; 153:104635. [DOI: 10.1016/j.phrs.2020.104635] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 12/19/2019] [Accepted: 01/06/2020] [Indexed: 12/13/2022]
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Liu J, He Z, Ma N, Chen ZY. Beneficial Effects of Dietary Polyphenols on High-Fat Diet-Induced Obesity Linking with Modulation of Gut Microbiota. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2020; 68:33-47. [PMID: 31829012 DOI: 10.1021/acs.jafc.9b06817] [Citation(s) in RCA: 112] [Impact Index Per Article: 28.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Obesity is caused by an imbalance of energy intake and expenditure. It is characterized by a higher accumulation of body fat with a chronic low-grade inflammation. Many reports have shown that gut microbiota in the host plays a pivotal role in mediating the interaction between consumption of a high-fat diet (HFD) and onset of obesity. Accumulative evidence has suggested that the changes in the composition of gut microbiota may affect the host's energy homeostasis, systemic inflammation, lipid metabolism, and insulin sensitivity. As one of the major components in human diet, polyphenols have demonstrated to be capable of modulating the composition of gut microbiota and reducing the HFD-induced obesity. The present review summarizes the findings of recent studies on dietary polyphenols regarding their metabolism and interaction with bacteria in the intestine as well as the underlying mechanisms by which they modulate the gut microbiota and alleviate the HFD-induced obesity.
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Affiliation(s)
- Jianhui Liu
- College of Food Science and Engineering , Nanjing University of Finance & Economics , Nanjing , China
- School of Life Sciences , The Chinese University of Hong Kong , Shatin NT , Hong Kong , China
| | - Zouyan He
- School of Life Sciences , The Chinese University of Hong Kong , Shatin NT , Hong Kong , China
| | - Ning Ma
- College of Food Science and Engineering , Nanjing University of Finance & Economics , Nanjing , China
- School of Life Sciences , The Chinese University of Hong Kong , Shatin NT , Hong Kong , China
| | - Zhen-Yu Chen
- School of Life Sciences , The Chinese University of Hong Kong , Shatin NT , Hong Kong , China
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Dai Y, Lim JX, Yeo SCM, Xiang X, Tan KS, Fu JH, Huang L, Lin HS. Biotransformation of Piceatannol, a Dietary Resveratrol Derivative: Promises to Human Health. Mol Nutr Food Res 2020; 64:e1900905. [PMID: 31837280 DOI: 10.1002/mnfr.201900905] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2019] [Revised: 12/08/2019] [Indexed: 12/13/2022]
Abstract
SCOPE To evaluate the health-promoting potentials of piceatannol (PIC), a dietary resveratrol derivative, its biotransformation is examined. METHODS AND RESULTS The biotransformation is tested in human/rat hepatic microsomes and cytosols; its pharmacokinetic profiles are assessed in rats. Although limited phase I metabolism exists in microsomes, PIC is rapidly converted to two pharmacologically active metabolites, namely rhapontigenin (RHA) and isorhapontigenin (ISO) in cytosols. Such biotransformation is completely blocked by entacapone, a well-known catechol-O-methyltransferase (COMT) inhibitor, demonstrating that the O-methylation is mediated by COMT. Moreover, PIC is identified as a substrate inhibitor of COMT, suggesting its potential benefits in Alzheimer's disease. Due to extensive phase II metabolism including glucuronidation, sulfation, and O-methylation, PIC displays rapid clearance and at least 4.02% ± 0.61% and 17.70% ± 0.91% of PIC is converted to RHA and ISO, respectively, in rats after intravenous administration. Similarly, PIC serves as an effective precursor of ISO upon oral administration. CONCLUSION Since PIC and its metabolites possess pleiotropic health-promoting activities, it has emerged as a promising nutraceutical candidate for further development. This study also reinforces the importance of in vivo testing in nutritional researches as the active metabolite(s) may be absent from the in vitro system.
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Affiliation(s)
- Yu Dai
- Department of Pharmacy, National University of Singapore, 18 Science Drive 4, Singapore, 117543
| | - Jin Xuan Lim
- Department of Pharmacy, National University of Singapore, 18 Science Drive 4, Singapore, 117543
| | - Samuel Chao Ming Yeo
- Department of Pharmacy, National University of Singapore, 18 Science Drive 4, Singapore, 117543
| | - Xiaoqiang Xiang
- School of Pharmacy, Fudan University, 826 Zhangheng Road, Shanghai, 201203, China
| | - Kai Soo Tan
- Faculty of Dentistry, National University of Singapore, 11 Lower Kent Ridge Road, Singapore, 119083
| | - Jia Hui Fu
- Faculty of Dentistry, National University of Singapore, 11 Lower Kent Ridge Road, Singapore, 119083
| | - Lizhen Huang
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, 510006, China
| | - Hai-Shu Lin
- Department of Pharmacy, National University of Singapore, 18 Science Drive 4, Singapore, 117543
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Jiang L, Wang Z, Wang X, Wang S, Cao J, Liu Y. Exploring the inhibitory mechanism of piceatannol on α-glucosidase relevant to diabetes mellitus. RSC Adv 2020; 10:4529-4537. [PMID: 35495253 PMCID: PMC9049079 DOI: 10.1039/c9ra09028b] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Accepted: 01/08/2020] [Indexed: 11/25/2022] Open
Abstract
Due to their association with type 2 diabetes mellitus treatment, α-glucosidase inhibitors have attracted increasing attention of researchers. In this study, we systemically investigated the kinetics and inhibition mechanism of piceatannol on α-glucosidase. Enzyme kinetics analyses showed that piceatannol exhibited strong inhibition on α-glucosidase in a non-competitive manner. Spectroscopy analyses indicated that piceatannol could bind with α-glucosidase to form complexes via high affinity. Further, computational molecular dynamics and molecular docking studies validated that the binding of piceatannol was outside the catalytic site of α-glucosidase, which would induce conformational changes of α-glucosidase and block the entrance of substrate, causing declines in α-glucosidase activities. Our results provide useful information not only for the inhibition mechanism of piceatannol against α-glucosidase but also for a novel target site for developing novel α-glucosidase inhibitors as potential therapeutic agents in the treatment of type 2 diabetes mellitus. The non-competitive inhibition of piceatannol on α-glucosidase. A combination of dynamic and static process with one binding site. The involvement of hydrophobic interactions and hydrogen bonding. Dietary recommendations for diabetes or potential antidiabetic drug.![]()
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Affiliation(s)
- Lili Jiang
- School of Life and Pharmaceutical Sciences
- Dalian University of Technology
- Panjin 124221
- China
| | - Zhen Wang
- School of Life and Pharmaceutical Sciences
- Dalian University of Technology
- Panjin 124221
- China
| | - Xiaoyu Wang
- School of Life and Pharmaceutical Sciences
- Dalian University of Technology
- Panjin 124221
- China
| | - Shujuan Wang
- School of Life and Pharmaceutical Sciences
- Dalian University of Technology
- Panjin 124221
- China
| | - Jun Cao
- Department of Occupational and Environmental Health
- Dalian Medical University
- Dalian 116044
- China
| | - Yong Liu
- School of Life and Pharmaceutical Sciences
- Dalian University of Technology
- Panjin 124221
- China
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Arora I, Sharma M, Tollefsbol TO. Combinatorial Epigenetics Impact of Polyphenols and Phytochemicals in Cancer Prevention and Therapy. Int J Mol Sci 2019; 20:ijms20184567. [PMID: 31540128 PMCID: PMC6769666 DOI: 10.3390/ijms20184567] [Citation(s) in RCA: 101] [Impact Index Per Article: 20.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2019] [Revised: 09/08/2019] [Accepted: 09/11/2019] [Indexed: 12/24/2022] Open
Abstract
Polyphenols are potent micronutrients that can be found in large quantities in various food sources and spices. These compounds, also known as phenolics due to their phenolic structure, play a vital nutrient-based role in the prevention of various diseases such as diabetes, cardiovascular diseases, neurodegenerative diseases, liver disease, and cancers. However, the function of polyphenols in disease prevention and therapy depends on their dietary consumption and biological properties. According to American Cancer Society statistics, there will be an expected rise of 23.6 million new cancer cases by 2030. Due to the severity of the increased risk, it is important to evaluate various preventive measures associated with cancer. Relatively recently, numerous studies have indicated that various dietary polyphenols and phytochemicals possess properties of modifying epigenetic mechanisms that modulate gene expression resulting in regulation of cancer. These polyphenols and phytochemicals, when administrated in a dose-dependent and combinatorial-based manner, can have an enhanced effect on epigenetic changes, which play a crucial role in cancer prevention and therapy. Hence, this review will focus on the mechanisms of combined polyphenols and phytochemicals that can impact various epigenetic modifications such as DNA methylation and histone modifications as well as regulation of non-coding miRNAs expression for treatment and prevention of various types of cancer.
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Affiliation(s)
- Itika Arora
- Department of Biology, University of Alabama at Birmingham, 1300 University Boulevard, Birmingham, AL 35294, USA.
| | - Manvi Sharma
- Department of Biology, University of Alabama at Birmingham, 1300 University Boulevard, Birmingham, AL 35294, USA.
| | - Trygve O Tollefsbol
- Department of Biology, University of Alabama at Birmingham, 1300 University Boulevard, Birmingham, AL 35294, USA.
- Comprehensive Center for Healthy Aging, University of Alabama Birmingham, 1530 3rd Avenue South, Birmingham, AL 35294, USA.
- Comprehensive Cancer Center, University of Alabama Birmingham, 1802 6th Avenue South, Birmingham, AL 35294, USA.
- Nutrition Obesity Research Center, University of Alabama Birmingham, 1675 University Boulevard, Birmingham, AL 35294, USA.
- Comprehensive Diabetes Center, University of Alabama Birmingham, 1825 University Boulevard, Birmingham, AL 35294, USA.
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Shi X, Fu L. Piceatannol inhibits oxidative stress through modification of Nrf2-signaling pathway in testes and attenuates spermatogenesis and steroidogenesis in rats exposed to cadmium during adulthood. DRUG DESIGN DEVELOPMENT AND THERAPY 2019; 13:2811-2824. [PMID: 31496657 PMCID: PMC6698161 DOI: 10.2147/dddt.s198444] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 04/17/2019] [Indexed: 12/14/2022]
Abstract
Background Cadmium (Cd) is considered a heavy metal and potential pollutant to the environment. Purpose The purpose of this study was to evaluate the protective potential of piceatannol (PT; 10 mg/kg body weight/day) against cadmium (Cd; 5 mg/kg body weight/day)-induced testicular dysfunction in Wistar rats. Materials and methods Rats were randomly divided into four groups: control, PT, Cd, and Cd + PT. Results Treatment with Cd resulted in a significant decrease in body, testicular, and epididymal weights, sperm quantity and quality, steroidogenic marker–enzyme activities, mRNA- and protein-expression levels of SF1, StAR, and P450 side chain–cleaving enzyme, and serum male sex hormonal levels when compared to controls. Testicular malondialdehyde levels were significantly increased, with a significant reduction in enzymatic and nonenzymatic antioxidants in Cd-treated rats compared to control rats. Testicular histomorphometric results supported the biochemical and molecular alterations observed in the study. In addition, significant downregulation in mRNA- and protein-expression levels of cytosolic Nrf2, HO1, γGCS, GPx, and NQO1, as well as significant upregulation in mRNA- and protein-expression levels of Nrf2 and Keap1 in testicular tissue, were noticed in rats administered Cd. PT treatment inCd-treated rats caused marked alleviation in body and organ weights, sperm analysis, steroidogenesis, serum hormonal levels, histomorphometric changes, and oxidative and antioxidative status in testes when compared to Cd alone–treated rats. Further, treatment of rats with PTl showed a marked improvement in mRNA- and protein-expression levels of Nrf2 and its regulated genes and proteins. Conclusion The present study provides compelling evidence that PT treatment results in significant protection against Cd-induced testicular dysfunctions, such as spermatogenesis, steroidogenesis, and oxidative stress in rats, possibly through modification of the Nrf2–Keap1 signalling pathway.
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Affiliation(s)
- Xiaoxue Shi
- Department of Urology Surgery, Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, Henan 450000, People's Republic of China
| | - Lijie Fu
- Department of Urological Surgery 2, First Affiliated Hospital of Kunming Medical University, Kunming, Yunnan 650032, People's Republic of China
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Fiod Riccio BV, Fonseca-Santos B, Colerato Ferrari P, Chorilli M. Characteristics, Biological Properties and Analytical Methods of Trans-Resveratrol: A Review. Crit Rev Anal Chem 2019; 50:339-358. [PMID: 31353930 DOI: 10.1080/10408347.2019.1637242] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Trans-resveratrol (TR) is the biological active isomer of resveratrol and the one responsible for therapeutic effects; both molecules are non-flavonoid phenolics of the stilbenes class found mainly in berries and red grapes. TR biological properties lie in modulation of various enzymatic classes. It is a promising candidate to novel drugs due its applications in pharmaceutical and cosmetic industries, such as anticarcinogenic, antidiabetic, antiacne, antioxidant, anti-inflammatory, neuroprotective, and photoprotector agent. It has effects on bone metabolism, gastrointestinal tract, eyes, kidneys, and in obesity treatment as well. Nevertheless, its low solubility in water and other polar solvents may be a hindrance to its therapeutic effects. Various strategies been developed to overcome these issues, such as the drug delivery systems. The present study performed a research about methods to identify TR and RESV in several samples (raw materials, wines, food supplements, drug delivery systems, and blood plasma). Most of the studies tend to analyze TR and RESV by high performance liquid chromatography (HPLC) coupled with different detectors, even so, there are reports of the use of capillary electrophoresis, electron spin resonance, gas chromatography, near-infrared luminescence, UV-Vis spectrophotometer, and vibrational spectrophotometry, for this purpose. Thus, the review evaluates the biological activity of TR and demonstrates the currently used analytical methods for its quantification in different matrices.
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Affiliation(s)
- Bruno Vincenzo Fiod Riccio
- School of Pharmaceutical Sciences, Department of Drugs and Medicines, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
| | - Bruno Fonseca-Santos
- School of Pharmaceutical Sciences, Department of Drugs and Medicines, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
| | | | - Marlus Chorilli
- School of Pharmaceutical Sciences, Department of Drugs and Medicines, São Paulo State University (UNESP), Araraquara, São Paulo, Brazil
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Li H, Shi Y, Wang X, Li P, Zhang S, Wu T, Yan Y, Zhan Y, Ren Y, Rong X, Xia T, Chu M, Wu R. Piceatannol alleviates inflammation and oxidative stress via modulation of the Nrf2/HO-1 and NF-κB pathways in diabetic cardiomyopathy. Chem Biol Interact 2019; 310:108754. [PMID: 31323227 DOI: 10.1016/j.cbi.2019.108754] [Citation(s) in RCA: 56] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2019] [Revised: 07/04/2019] [Accepted: 07/15/2019] [Indexed: 12/12/2022]
Abstract
Diabetic cardiomyopathy (DCM) is one of the leading causes of morbidity and mortality in diabetic patients. Piceatannol (PIC) has protective effects against cardiovascular disease; however, it remains unknown whether it also protects against DCM. A Cell Counting Kit-8 (CCK-8) assay was used to evaluate the effects of PIC on the viability of high glucose (HG)-induced H9C2 cells. Protein expression and mRNA levels were detected by western blotting and real-time polymerase chain reaction (RT-PCR), respectively. In vivo, physical and biochemical analyses, together with transthoracic echocardiography and hemodynamic measurements, were used to detect the effects of PIC treatment on cardiac function in DCM rats. Reactive oxygen species production was determined using an ELISA kit, and inflammatory cytokines were detected by RT-PCR. Pathological changes were assessed by hematoxylin-eosin staining, immunohistochemical staining, and TUNEL staining. According to the results, PIC treatment improved cell viability and inhibited cell apoptosis in HG-induced H9C2 cardiac myoblasts. In addition, PIC not only attenuated the over-production of interleukin-6 (IL-6) (P < 0.05) and tumor necrosis factor alpha (TNF-α) (P < 0.05), but also improved the expression of nuclear factor E2-related factor 2 (Nrf2) (P < 0.05) and heme oxygenase-1 (HO-1) (P < 0.01). Importantly, knockdown of Nrf2 suppressed PIC-mediated activation of the Nrf2/HO-1 pathway and abolished its anti-inflammatory effects. In vivo, oral administration of PIC suppressed STZ-induced inflammation, oxidative stress hypertrophy, fibrosis(myocardial collagen volume fraction in 5 mg/kg and 10 mg/kg PIC group was decreased 25.83% and 55.61% compared with the DM group), and apoptosis(Caspase-3 level in 5 mg/kg and 10 mg/kg PIC group was decreased 13.21% and 33.91% compared with the DM group), thereby relieving cardiac dysfunction and improving both fibrosis and pathological changes in cardiac tissues of diabetic rats. These findings define for the first time that the effects of PIC against DCM can be attributed to its role in inflammation and oxidative stress inhibition.
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Affiliation(s)
- Hao Li
- Children's Heart Center, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Institute of Cardiovascular Development and Translational Medicine, The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang Province, 325027, China
| | - Youyang Shi
- Children's Heart Center, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Institute of Cardiovascular Development and Translational Medicine, The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang Province, 325027, China
| | - Xuliang Wang
- Children's Heart Center, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Institute of Cardiovascular Development and Translational Medicine, The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang Province, 325027, China
| | - Ping Li
- Children's Heart Center, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Institute of Cardiovascular Development and Translational Medicine, The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang Province, 325027, China
| | - Songyue Zhang
- Children's Heart Center, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Institute of Cardiovascular Development and Translational Medicine, The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang Province, 325027, China
| | - Tingting Wu
- Children's Heart Center, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Institute of Cardiovascular Development and Translational Medicine, The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang Province, 325027, China
| | - Yaoyao Yan
- Children's Heart Center, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Institute of Cardiovascular Development and Translational Medicine, The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang Province, 325027, China
| | - Yi Zhan
- Children's Heart Center, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Institute of Cardiovascular Development and Translational Medicine, The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang Province, 325027, China
| | - Yue Ren
- Children's Heart Center, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Institute of Cardiovascular Development and Translational Medicine, The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang Province, 325027, China
| | - Xing Rong
- Children's Heart Center, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Institute of Cardiovascular Development and Translational Medicine, The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang Province, 325027, China
| | - Tianhe Xia
- Children's Heart Center, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Institute of Cardiovascular Development and Translational Medicine, The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang Province, 325027, China
| | - Maoping Chu
- Children's Heart Center, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Institute of Cardiovascular Development and Translational Medicine, The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang Province, 325027, China.
| | - Rongzhou Wu
- Children's Heart Center, The Second Affiliated Hospital & Yuying Children's Hospital of Wenzhou Medical University, Institute of Cardiovascular Development and Translational Medicine, The Second School of Medicine, Wenzhou Medical University, Wenzhou City, Zhejiang Province, 325027, China.
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62
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Lee HJ, Kang MG, Cha HY, Kim YM, Lim Y, Yang SJ. Effects of Piceatannol and Resveratrol on Sirtuins and Hepatic Inflammation in High-Fat Diet-Fed Mice. J Med Food 2019; 22:833-840. [PMID: 31268397 DOI: 10.1089/jmf.2018.4261] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Piceatannol (PIC) is a natural hydroxylated analog of resveratrol (RSV) and considered as a potential metabolic regulator. The purpose of this study was to compare the effects of PIC and RSV on parameters affecting inflammation, oxidative stress, and sirtuins (Sirt). Male C57BL/6J mice, 20 weeks old, were assigned to the following groups; (1) lean control, (2) high-fat diet control (HF), (3) HF_PIC, and (4) HF_RSV. Oral administration of PIC and RSV (10 mg/kg/day) for 4 weeks improved glucose control as shown by decreasing levels of area under the curve (AUC) during the oral glucose tolerance test compared with HF group. PIC improved glycemic control by increasing hepatic levels of insulin receptor and AMP-activated protein kinase. PIC increased the levels of Sirt1, Sirt3, and Sirt6 and also increased two downstream targets of Sirt, peroxisome proliferator-activated receptor gamma coactivator 1-alpha and forkhead box O1, in the liver. The inflammatory markers, interleukin (IL)-1 and IL-6, in the liver were downregulated by RSV treatment. Exposure to PIC and RSV significantly lowered hepatic levels of tumor necrosis factor-alpha. However, PIC and RSV treatments showed minimal effects on hepatic markers of oxidative stress. The levels of antioxidant enzyme, NAD(P)H:quinone oxidoreductase 1 (NQO1), were only increased in livers of RSV-treated mice compared with HF control mice. In conclusion, PIC was superior to an equal concentration of RSV in the regulation of Sirt and its downstream targets as well as insulin signaling-related parameters, while RSV potentially suppressed levels of proinflammatory markers and increased NQO1 protein levels.
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Affiliation(s)
- Hee Jae Lee
- 1Department of Food and Nutrition, Seoul Women's University, Seoul, Republic of Korea
| | - Min-Gyung Kang
- 2Department of Food and Nutrition, Chonnam National University, Gwangju, Republic of Korea
| | - Hee Yun Cha
- 1Department of Food and Nutrition, Seoul Women's University, Seoul, Republic of Korea
| | - Youn Mi Kim
- 3Department of Food and Nutrition, Kyung Hee University, Seoul, Republic of Korea
| | - Yunsook Lim
- 3Department of Food and Nutrition, Kyung Hee University, Seoul, Republic of Korea
| | - Soo Jin Yang
- 1Department of Food and Nutrition, Seoul Women's University, Seoul, Republic of Korea
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63
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Lee YH, Chen YY, Yeh YL, Wang YJ, Chen RJ. Stilbene Compounds Inhibit Tumor Growth by the Induction of Cellular Senescence and the Inhibition of Telomerase Activity. Int J Mol Sci 2019; 20:ijms20112716. [PMID: 31159515 PMCID: PMC6600253 DOI: 10.3390/ijms20112716] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 05/30/2019] [Accepted: 05/31/2019] [Indexed: 12/17/2022] Open
Abstract
Cellular senescence is a state of cell cycle arrest characterized by a distinct morphology, gene expression pattern, and secretory phenotype. It can be triggered by multiple mechanisms, including those involved in telomere shortening, the accumulation of DNA damage, epigenetic pathways, and the senescence-associated secretory phenotype (SASP), and so on. In current cancer therapy, cellular senescence has emerged as a potent tumor suppression mechanism that restrains proliferation in cells at risk for malignant transformation. Therefore, compounds that stimulate the growth inhibition effects of senescence while limiting its detrimental effects are believed to have great clinical potential. In this review article, we first review the current knowledge of the pro- and antitumorigeneic functions of senescence and summarize the key roles of telomerase in the regulation of senescence in tumors. Second, we review the current literature regarding the anticancer effects of stilbene compounds that are mediated by the targeting of telomerase and cell senescence. Finally, we provide future perspectives on the clinical utilization of stilbene compounds, especially resveratrol and pterostilbene, as novel cancer therapeutic remedies. We conclude and propose that stilbene compounds may induce senescence and may potentially be used as the therapeutic or adjuvant agents for cancers with high telomerase activity.
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Affiliation(s)
- Yu-Hsuan Lee
- Department of Food Safety/Hygiene and Risk Management, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan.
| | - Yu-Ying Chen
- Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan.
| | - Ya-Ling Yeh
- Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan.
| | - Ying-Jan Wang
- Department of Environmental and Occupational Health, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan.
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 40402, Taiwan.
| | - Rong-Jane Chen
- Department of Food Safety/Hygiene and Risk Management, College of Medicine, National Cheng Kung University, Tainan 70428, Taiwan.
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64
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Yan L, Lu L, Hu F, Shetti D, Wei K. Piceatannol attenuates RANKL-induced osteoclast differentiation and bone resorption by suppressing MAPK, NF-κB and AKT signalling pathways and promotes Caspase3-mediated apoptosis of mature osteoclasts. ROYAL SOCIETY OPEN SCIENCE 2019; 6:190360. [PMID: 31312498 PMCID: PMC6599799 DOI: 10.1098/rsos.190360] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 05/13/2019] [Indexed: 06/10/2023]
Abstract
Osteoclasts are multinuclear giant cells that have unique ability to degrade bone. The search for new medicines that modulate the formation and function of osteoclasts is a potential approach for treating osteoclast-related bone diseases. Piceatannol (PIC) is a natural organic polyphenolic stilbene compound found in diverse plants with a strong antioxidant and anti-inflammatory effect. However, the effect of PIC on bone health has not been scrutinized systematically. In this study, we used RAW264.7, an osteoclast lineage of cells of murine macrophages, to investigate the effects and the underlying mechanisms of PIC on osteoclasts. Here, we demonstrated that PIC treatment ranging from 0 to 40 µM strongly inhibited osteoclast formation and bone resorption in a dose-dependent manner. Furthermore, the inhibitory effect of PIC was accompanied by the decrease of osteoclast-specific genes. At the molecular level, PIC suppressed the phosphorylation of c-Jun N-terminal kinase (JNK), extracellular signal-regulated kinase (ERK1/2), NF-κB p65, IκBα and AKT. Besides, PIC promoted the apoptosis of mature osteoclasts by inducing caspase-3 expression. In conclusion, our results suggested that PIC inhibited RANKL-induced osteoclastogenesis and bone resorption by suppressing MAPK, NF-κB and AKT signalling pathways and promoted caspase3-mediated apoptosis of mature osteoclasts, which might contribute to the treatment of bone diseases characterized by excessive bone resorption.
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Affiliation(s)
| | | | | | - Dattatrya Shetti
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, Guangdong 510006, People's Republic of China
| | - Kun Wei
- School of Biology and Biological Engineering, South China University of Technology, Guangzhou, Guangdong 510006, People's Republic of China
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65
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Furuya T, Imaki N, Shigei K, Sai M, Kino K. Isolation and characterization of Gram-negative and Gram-positive bacteria capable of producing piceatannol from resveratrol. Appl Microbiol Biotechnol 2019; 103:5811-5820. [PMID: 31093702 DOI: 10.1007/s00253-019-09875-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2019] [Revised: 04/12/2019] [Accepted: 04/24/2019] [Indexed: 10/26/2022]
Abstract
Piceatannol is a valuable natural polyphenol with therapeutic potential in cardiovascular and metabolic disease treatment. In this study, we screened for microorganisms capable of producing piceatannol from resveratrol via regioselective hydroxylation. In the first screening, we isolated microorganisms utilizing resveratrol, phenol, or 4-hydroxyphenylacetic acid as a carbon source for growth. In the second screening, we assayed the isolated microorganisms for hydroxylation of resveratrol. Using this screening procedure, a variety of resveratrol-converting microorganisms were obtained. One Gram-negative bacterium, Ensifer sp. KSH1, and one Gram-positive bacterium, Arthrobacter sp. KSH3, utilized 4-hydroxyphenylacetic acid as a carbon source for growth and efficiently hydroxylated resveratrol to piceatannol without producing any detectable by-products. The hydroxylation activity of strains KSH1 and KSH3 was strongly induced by cultivation with 4-hydroxyphenylacetic acid as a carbon source during stationary growth phase. Using the 4-hydroxyphenylacetic acid-induced cells as a biocatalyst under optimal conditions, production of piceatannol by strains KSH1 and KSH3 reached 3.6 mM (0.88 g/L) and 2.6 mM (0.64 g/L), respectively. We also cloned genes homologous to the monooxygenase gene hpaBC from strains KSH1 and KSH3. Introduction of either hpaBC homolog into Escherichia coli endowed the host with resveratrol-hydroxylating activity.
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Affiliation(s)
- Toshiki Furuya
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo, 169-8555, Japan. .,Department of Applied Biological Science, Faculty of Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda, Chiba, 278-8510, Japan.
| | - Naoto Imaki
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo, 169-8555, Japan
| | - Kosuke Shigei
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo, 169-8555, Japan
| | - Masahiko Sai
- Health Science Research Center, Morinaga and Company Limited, 2-1-1 Shimosueyoshi, Tsurumi-ku, Yokohama, 230-8504, Japan
| | - Kuniki Kino
- Department of Applied Chemistry, Faculty of Science and Engineering, Waseda University, 3-4-1 Ohkubo, Shinjuku-ku, Tokyo, 169-8555, Japan.
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66
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Kiliç V. Piceatannol Mediated Modulation of Oxidative Stress and Regeneration in the Liver of Endotoxemic Mice. J Med Food 2019; 22:594-601. [PMID: 30874461 DOI: 10.1089/jmf.2018.0201] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Liver plays a pivotal role in host defense mechanisms related to endotoxemia. However, liver dysfunction often occurs in early sepsis. This study investigated the hepatoprotective potential of natural stilbenoid piceatannol (PIC) in lipopolysaccharide (LPS)-induced endotoxemic mice. Swiss Albino mice were divided into four groups: Control (C), LPS administrated (LPS), PIC administrated (PIC), and LPS administrated/PIC preadministrated (LPS+PIC) animals. PIC was administrated intraperitoneally (i.p.) at the dose of 4 mg/kg/day during 7 days. Endotoxemia was induced with a single i.p. administration of LPS at the dose of 4 mg/kg. Superoxide dismutase (SOD), catalase (CAT) and lipid peroxidation (LP) levels, light microscopic pathology, and genotoxicity were investigated. Proliferating cell nuclear antigen and SQSTM1/p62 immunofluorescence were measured. PIC preadministration restored SOD activity, reduced LP and genotoxicity. However, moderate level of oxidative stress (OS) had been progressed in PIC preadministrated animals depending upon prolonged autophagic response and selective degradation of CAT. Positive OS stimulated liver regeneration by upregulating oval cells' and downregulating hepatocytes' proliferation and resulted in the maintanence of hepatic tissue integrity in PIC preadministrated animals. These results suggested that PIC may be a useful hepatoprotective agent in LPS-induced endotoxemia as a modulator of OS and genotoxicity, as an inducer of autophagy, and as a promoter of liver regeneration.
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Affiliation(s)
- Volkan Kiliç
- Department of Biology, Faculty of Science, Eskişehir Technical University, Eskişehir, Turkey
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67
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Serreli G, Deiana M. In vivoformed metabolites of polyphenols and their biological efficacy. Food Funct 2019; 10:6999-7021. [DOI: 10.1039/c9fo01733j] [Citation(s) in RCA: 49] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
The metabolites of polyphenols are antioxidant, anti-inflammatory and anticancer agents. Being bioavailable, they may play an important role in preventing degenerative diseases.
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Affiliation(s)
- Gabriele Serreli
- Department of Biomedical Sciences
- University of Cagliari
- Cagliari
- Italy
| | - Monica Deiana
- Department of Biomedical Sciences
- University of Cagliari
- Cagliari
- Italy
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68
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Resveratrol, Metabolic Syndrome, and Gut Microbiota. Nutrients 2018; 10:nu10111651. [PMID: 30400297 PMCID: PMC6266067 DOI: 10.3390/nu10111651] [Citation(s) in RCA: 160] [Impact Index Per Article: 26.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Revised: 10/27/2018] [Accepted: 10/29/2018] [Indexed: 02/06/2023] Open
Abstract
Resveratrol is a polyphenol which has been shown to have beneficial effects on metabolic syndrome-related alterations in experimental animals, including glucose and lipid homeostasis improvement and a reduction in fat mass, blood pressure, low-grade inflammation, and oxidative stress. Clinical trials have been carried out to address its potential; however, results are still inconclusive. Even though resveratrol is partly metabolized by gut microbiota, the relevance of this “forgotten organ” had not been widely considered. However, in the past few years, data has emerged suggesting that the therapeutic potential of this compound may be due to its interaction with gut microbiota, reporting changes in bacterial composition associated with beneficial metabolic outcomes. Even though data is still scarce and for the most part observational, it is promising nevertheless, suggesting that resveratrol supplementation could be a useful tool for the treatment of metabolic syndrome and its associated conditions.
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69
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Shrestha A, Pandey RP, Pokhrel AR, Dhakal D, Chu LL, Sohng JK. Modular pathway engineering for resveratrol and piceatannol production in engineered Escherichia coli. Appl Microbiol Biotechnol 2018; 102:9691-9706. [PMID: 30178203 DOI: 10.1007/s00253-018-9323-8] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 07/04/2018] [Accepted: 08/08/2018] [Indexed: 12/20/2022]
Abstract
Resveratrol and its ortho-hydroxylated derivative piceatannol were biosynthesized by modular pathway engineering in Escherichia coli. The biosynthetic pathway was divided into three different modules. Module I includes polyketide biosynthetic genes; module II genes include acetyl-CoA and malonyl-CoA pool-enhancing genes from three different organisms; and module III genes are regiospecific 3'-hydroxylating enzymes. E. coli BL21(DE3) with module I produced 8.6 mg/L of resveratrol from exogenously fed 1 mM p-coumaric acid after 72 h. Combination of module I and acetyl-CoA supplementing module IIb genes from N. farcinica IFM10152 produced 2.5-fold higher (60 mg/L) titer of resveratrol than the module IIa genes from E. coli. The exogenous supplementation of sodium acetate further enhanced production to 64 mg/L. Furthermore, module I with module IIc harboring matBC from S. coelicolor A3(2) produced 73 mg/L of resveratrol, which was elevated to 151 mg/L upon supplementing disodium malonate exogenously. This increment is 17.5-fold higher than module I harboring E. coli BL21(DE3). The combination of module I and two different module II genes yielded 137 mg/L resveratrol when supplemented with both sodium acetate and disodium malonate. The high resveratrol-producing combination module was further modified with incorporation of hpaBC for the ortho-hydroxylation of resveratrol to produce piceatannol. The engineered strain harboring modules I, IIc and III produced 124 mg/L of piceatannol, the highest titer after 72 h in disodium malonate-supplemented strain, which is 2-fold higher than in non-supplemented strain. The remaining resveratrol was about 30 mg/L. Furthermore, caffeic acid (85.5 mg/L) was also produced in the same strain. Resveratrol and piceatannol were biosynthesized along with caffeic acid by three different modules overexpressing acetate and malonate assimilation pathway genes from three different sources. The production titer of both resveratrol and piceatannol could be achieved higher upon blocking acetyl-CoA and malonyl-CoA utilizing pathway genes in host strain.
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Affiliation(s)
- Anil Shrestha
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, Republic of Korea
| | - Ramesh Prasad Pandey
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, Republic of Korea.,Department of BT-Convergent Pharmaceutical Engineering, Sun Moon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, Republic of Korea
| | - Anaya Raj Pokhrel
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, Republic of Korea
| | - Dipesh Dhakal
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, Republic of Korea
| | - Luong Luan Chu
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, Republic of Korea
| | - Jae Kyung Sohng
- Department of Life Science and Biochemical Engineering, Sun Moon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, Republic of Korea. .,Department of BT-Convergent Pharmaceutical Engineering, Sun Moon University, 70 Sunmoon-ro 221, Tangjeong-myeon, Asan-si, Chungnam, 31460, Republic of Korea.
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70
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Ho Y, Chen YF, Wang LH, Hsu KY, Chin YT, Yang YCSH, Wang SH, Chen YR, Shih YJ, Liu LF, Wang K, Whang-Peng J, Tang HY, Lin HY, Liu HL, Lin SJ. Inhibitory Effect of Anoectochilus formosanus Extract on Hyperglycemia-Related PD-L1 Expression and Cancer Proliferation. Front Pharmacol 2018; 9:807. [PMID: 30116189 PMCID: PMC6082959 DOI: 10.3389/fphar.2018.00807] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2018] [Accepted: 07/04/2018] [Indexed: 12/27/2022] Open
Abstract
Traditional herb medicine, golden thread (Anoectochilus formosanus Hayata) has been used to treat various diseases. Hyperglycemia induces generation of reactive oxygen species (ROS) and enhancement of oxidative stress which are risk factors for cancer progression and metastasis. In this study, we evaluated hypoglycemic effect of A. formosanus extracts (AFEs) in an inducible hyperglycemia animal model and its capacity of free-radical scavenging to establish hyperglycemia-related carcinogenesis. AFE reduced blood glucose in hyperglycemic mice while there was no change in control group. The incremental area under blood glucose response curve was decreased significantly in hyperglycemic mice treated with AFE in a dose-dependent manner. AFE and metformin at the same administrated dose of 50 mg/kg showed similar effect on intraperitoneal glucose tolerance test in hyperglycemic mice. Free-radical scavenger capacity of AFE was concentration dependent and 200 μg/ml of AFE was able to reduce more than 41% of the free radical. Treatment of cancer cells with AFE inhibited constitutive PD-L1 expression and its protein accumulation. It also induced expression of pro-apoptotic genes but inhibited proliferative and metastatic genes. In addition, it induced anti-proliferation in cancer cells. The results suggested that AFE not only reduced blood glucose concentration as metformin but also showed its potential use in cancer immune chemoprevention/therapy via hypoglycemic effect, ROS scavenging and PD-L1 suppression.
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Affiliation(s)
- Yih Ho
- School of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Yan-Fang Chen
- School of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Li-Hsuan Wang
- School of Pharmacy, Taipei Medical University, Taipei, Taiwan.,Department of Pharmacy, Taipei Medical University Hospital, Taipei, Taiwan
| | - Kuang-Yang Hsu
- School of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Yu-Tang Chin
- Taipei Cancer Center, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,PhD Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Yu-Chen S H Yang
- Joint Biobank, Office of Human Research, Taipei Medical University, Taipei, Taiwan
| | - Shwu-Huey Wang
- Core Facility Center, Office of Research and Development, Department of Biochemistry and Molecular Cell Biology, College of Medicine, Taipei Medical University, Taipei, Taiwan
| | - Yi-Ru Chen
- Taipei Cancer Center, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,PhD Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Ya-Jung Shih
- Taipei Cancer Center, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,PhD Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Leroy F Liu
- Taipei Cancer Center, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Kuan Wang
- Graduate Institute of Nanomedicine and Medical Engineering, College of Medical Engineering, Taipei Medical University, Taipei, Taiwan
| | - Jacqueline Whang-Peng
- Taipei Cancer Center, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan
| | - Heng-Yuan Tang
- Pharmaceutical Research Institute, Albany College of Pharmacy and Health Sciences, Albany, NY, United States
| | - Hung-Yun Lin
- Taipei Cancer Center, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,PhD Program for Cancer Molecular Biology and Drug Discovery, College of Medical Science and Technology, Taipei Medical University, Taipei, Taiwan.,Pharmaceutical Research Institute, Albany College of Pharmacy and Health Sciences, Albany, NY, United States.,TMU Research Center of Cancer Translational Medicine, Taipei Medical University, Taipei, Taiwan
| | - Hsuan-Liang Liu
- Department of Chemical Engineering and Biotechnology, Institute of Biochemical and Biomedical Engineering, National Taipei University of Technology, Taipei, Taiwan
| | - Shwu-Jiuan Lin
- School of Pharmacy, Taipei Medical University, Taipei, Taiwan
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71
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Carpéné C, Pejenaute H, Del Moral R, Boulet N, Hijona E, Andrade F, Villanueva-Millán MJ, Aguirre L, Arbones-Mainar JM. The Dietary Antioxidant Piceatannol Inhibits Adipogenesis of Human Adipose Mesenchymal Stem Cells and Limits Glucose Transport and Lipogenic Activities in Adipocytes. Int J Mol Sci 2018; 19:ijms19072081. [PMID: 30018277 PMCID: PMC6073844 DOI: 10.3390/ijms19072081] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2018] [Revised: 07/12/2018] [Accepted: 07/13/2018] [Indexed: 12/20/2022] Open
Abstract
Phenolic compounds are among the most investigated herbal remedies, as is especially the case for resveratrol. Many reports have shown its anti-aging properties and the ability to reduce obesity and diabetes induced by high-fat diet in mice. However, such beneficial effects hardly translate from animal models to humans. The scientific community has therefore tested whether other plant phenolic compounds may surpass the effects of resveratrol. In this regard, it has been reported that piceatannol reproduces in rodents the anti-obesity actions of its parent polyphenol. However, the capacity of piceatannol to inhibit adipocyte differentiation in humans has not been characterized so far. Here, we investigated whether piceatannol was antiadipogenic and antilipogenic in human preadipocytes. Human mesenchymal stem cells (hMSC), isolated from adipose tissues of lean and obese individuals, were differentiated into mature adipocytes with or without piceatannol, and their functions were explored. Fifty µM of piceatannol deeply limited synthesis/accumulation of lipids in both murine and hMSC-derived adipocytes. Interestingly, this phenomenon occurred irrespective of being added at the earlier or later stages of adipocyte differentiation. Moreover, piceatannol lowered glucose transport into adipocytes and decreased the expression of key elements of the lipogenic pathway (PPARγ, FAS, and GLUT4). Thus, the confirmation of the antiadipogenic properties of piceatanol in vitro warrants the realization of clinical studies for the application of this compound in the treatment of the metabolic complications associated with obesity.
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Affiliation(s)
- Christian Carpéné
- INSERM U1048, Institute of Metabolic and Cardiovascular Diseases (I2MC), Paul Sabatier University, 31059 Toulouse, France.
| | - Héctor Pejenaute
- Adipocyte and Fat Biology Laboratory (AdipoFat), Unidad de Investigación Traslacional, Instituto Aragonés de Ciencias de la Salud (IACS), Instituto de Investigación Sanitaria (IIS) Aragon, 50009 Zaragoza, Spain.
| | - Raquel Del Moral
- Adipocyte and Fat Biology Laboratory (AdipoFat), Unidad de Investigación Traslacional, Instituto Aragonés de Ciencias de la Salud (IACS), Instituto de Investigación Sanitaria (IIS) Aragon, 50009 Zaragoza, Spain.
| | - Nathalie Boulet
- INSERM U1048, Institute of Metabolic and Cardiovascular Diseases (I2MC), Paul Sabatier University, 31059 Toulouse, France.
| | - Elizabeth Hijona
- Department of Gastroenterology, University of Basque Country (UPV/EHU), Biodonostia Research Institute, 20014 San Sebastián, Spain.
| | - Fernando Andrade
- Division of Metabolism, Cruces University Hospital and BioCruces Health Research Institute, Plaza de Cruces s/n, 48903 Barakaldo, Spain.
| | - Maria Jesùs Villanueva-Millán
- HIV and Associated Metabolic Alterations Unit, Infectious Diseases Department, Center for Biomedical Research of La Rioja (CIBIR), 26006 Logroño, Spain.
| | - Leixuri Aguirre
- Nutrition and Obesity Group, Department of Nutrition and Food Science, Faculty of Pharmacy and Lucio Lascaray Research Center, University of the Basque Country (UPV/EHU), 01006 Vitoria, Spain.
- CIBEROBN Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain.
| | - José Miguel Arbones-Mainar
- Adipocyte and Fat Biology Laboratory (AdipoFat), Unidad de Investigación Traslacional, Instituto Aragonés de Ciencias de la Salud (IACS), Instituto de Investigación Sanitaria (IIS) Aragon, 50009 Zaragoza, Spain.
- CIBEROBN Physiopathology of Obesity and Nutrition, Institute of Health Carlos III (ISCIII), 28029 Madrid, Spain.
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Tang Q, Feng Z, Tong M, Xu J, Zheng G, Shen L, Shang P, Zhang Y, Liu H. Piceatannol inhibits the IL-1β-induced inflammatory response in human osteoarthritic chondrocytes and ameliorates osteoarthritis in mice by activating Nrf2. Food Funct 2018; 8:3926-3937. [PMID: 28933476 DOI: 10.1039/c7fo00822h] [Citation(s) in RCA: 38] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Osteoarthritis (OA) is a complex process, to which an inflammatory environment contributes markedly. Piceatannol exerts anti-inflammatory effects on several diseases. In the current study, we explored the protective effects of piceatannol on the progression of OA and investigated its molecular target. In vitro, piceatannol not only attenuated the over-production of inflammatory mediators and cytokines-such as nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor alpha (TNF-α), and interleukin-6 (IL-6)-but also suppressed the expression of cyclooxygenase-2 (COX-2) and inducible nitric oxide synthase (iNOS) at both the mRNA and protein levels. Piceatannol also decreased the expression of metalloproteinase 13 (MMP13) and thrombospondin motifs 5 (ADAMTS5), which mediate extracellular matrix degradation. Mechanistically, we found that piceatannol inhibited IL-1β-induced nuclear factor kappa B (NF-κB) activation by activating the nuclear factor (erythroid-derived 2)-like 2 (Nrf2)/heme oxygenase 1 (HO-1) pathway. Furthermore, piceatannol exerted protective effects in a mouse model of OA. Taken together, these findings indicate that piceatannol may be a potential therapeutic agent for OA.
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Affiliation(s)
- Qian Tang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, 109, Xueyuanxi road, 325027 Wenzhou, China.
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73
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Suvarna V, Murahari M, Khan T, Chaubey P, Sangave P. Phytochemicals and PI3K Inhibitors in Cancer-An Insight. Front Pharmacol 2017; 8:916. [PMID: 29311925 PMCID: PMC5736021 DOI: 10.3389/fphar.2017.00916] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Accepted: 11/30/2017] [Indexed: 12/11/2022] Open
Abstract
In today's world of modern medicine and novel therapies, cancer still remains to be one of the prime contributor to the death of people worldwide. The modern therapies improve condition of cancer patients and are effective in early stages of cancer but the advanced metastasized stage of cancer remains untreatable. Also most of the cancer therapies are expensive and are associated with adverse side effects. Thus, considering the current status of cancer treatment there is scope to search for efficient therapies which are cost-effective and are associated with lesser and milder side effects. Phytochemicals have been utilized for many decades to prevent and cure various ailments and current evidences indicate use of phytochemicals as an effective treatment for cancer. Hyperactivation of phosphoinositide 3-kinase (PI3K) signaling cascades is a common phenomenon in most types of cancers. Thus, natural substances targeting PI3K pathway can be of great therapeutic potential in the treatment of cancer patients. This chapter summarizes the updated research on plant-derived substances targeting PI3K pathway and the current status of their preclinical studies and clinical trials.
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Affiliation(s)
- Vasanti Suvarna
- Department of Pharmaceutical Chemistry and Quality Assurance, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, India
| | - Manikanta Murahari
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, M.S Ramaiah University of Applied Sciences, Bangalore, India
| | - Tabassum Khan
- Department of Pharmaceutical Chemistry and Quality Assurance, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, India
| | - Pramila Chaubey
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, India
| | - Preeti Sangave
- Department of Pharmaceutical Sciences, School of Pharmacy and Technology Management, SVKM's NMIMS, Mumbai, India
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Ragassi Fiorini AM, Barbalho SM, Guiguer ÉL, Oshiiwa M, Mendes CG, Vieites RL, Chies AB, de Oliveira PB, de Souza MDSS, Nicolau CCT. Dipteryx alata Vogel May Improve Lipid Profile and Atherogenic Indices in Wistar Rats Dipteryx alata and Atherogenic Indices. J Med Food 2017; 20:1121-1126. [DOI: 10.1089/jmf.2017.0052] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Affiliation(s)
| | - Sandra Maria Barbalho
- Department of Biochemistry and Nutrition, Faculty of Food Technology of Marília, Marília, SP, Brazil
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Marília, SP, Brazil
| | - Élen Landgraf Guiguer
- Department of Biochemistry and Nutrition, Faculty of Food Technology of Marília, Marília, SP, Brazil
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Marília, SP, Brazil
| | - Marie Oshiiwa
- Department of Biochemistry and Nutrition, Faculty of Food Technology of Marília, Marília, SP, Brazil
| | - Claudemir Gregório Mendes
- Department of Biochemistry and Pharmacology, School of Medicine, University of Marília (UNIMAR), Marília, SP, Brazil
| | - Rogério Lopes Vieites
- Faculty of Agronomic Sciences, University Estadual Paulista–UNESP, Botucatu, SP, Brazil
| | - Agnaldo Bruno Chies
- Department of Pharmacology, Marilia Faculty of Medicine, FAMEMA, Marília, SP, Brazil
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Kitada M, Ogura Y, Maruki-Uchida H, Sai M, Suzuki T, Kanasaki K, Hara Y, Seto H, Kuroshima Y, Monno I, Koya D. The Effect of Piceatannol from Passion Fruit (Passiflora edulis) Seeds on Metabolic Health in Humans. Nutrients 2017; 9:nu9101142. [PMID: 29057795 PMCID: PMC5691758 DOI: 10.3390/nu9101142] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2017] [Revised: 09/22/2017] [Accepted: 10/12/2017] [Indexed: 12/13/2022] Open
Abstract
Animal studies have shown the beneficial effects of piceatannol on metabolic health; however, there is a lack of human studies designed to examine these effects. The objective of this study was to investigate the effects of piceatannol on metabolic health in humans. This randomized, placebo-controlled study was conducted on 39 subjects, including 10 overweight men and 9 overweight women (BMI ≥ 25), as well as 10 non-overweight men and 10 non-overweight women (BMI < 25). Subjects received piceatannol (20 mg/day) or placebo capsules for eight weeks in a random order. The primary outcome was the effect of piceatannol on glucose-metabolism, including insulin sensitivity. The secondary outcomes were the effects on other parameters, including blood pressure (BP), heart rate (HR), endothelial function, lipids, inflammation, oxidative stress, mood status, and Sirt1 and phospho-AMP-activated kinase (p-AMPK) expression in isolated peripheral blood mononuclear cells (PBMNCs). Supplementation with piceatannol in overweight men reduced serum insulin levels, HOMA-IR, BP and HR. Other groups, including non-overweight men, as well as overweight and non-overweight women, showed no beneficial effects on insulin sensitivity, BP and HR. Furthermore, piceatannol is not associated with other data, including body weight (BW), body composition, endothelial function, lipids, inflammation, oxidative stress, mood status, and Sirt1/p-AMPK expression in PBMNCs. In conclusion, supplementation with piceatannol can improve metabolic health, including insulin sensitivity, BP and HR, in overweight men.
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Affiliation(s)
- Munehiro Kitada
- Department of Diabetology and Endocrinology, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa 920-0293, Japan.
- Division of Anticipatory Molecular Food Science and Technology, Medical Research Institute, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa 920-0293, Japan.
| | - Yoshio Ogura
- Department of Diabetology and Endocrinology, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa 920-0293, Japan.
| | - Hiroko Maruki-Uchida
- Research and Development Department, Health and Wellness Headquarters, Morinaga and Company Limited, 2-1-1 Shimosueyoshi, Tsurumi-ku, Yokohama 230-8504, Japan.
| | - Masahiko Sai
- Research and Development Department, Health and Wellness Headquarters, Morinaga and Company Limited, 2-1-1 Shimosueyoshi, Tsurumi-ku, Yokohama 230-8504, Japan.
| | - Taeko Suzuki
- Department of Diabetology and Endocrinology, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa 920-0293, Japan.
| | - Keizo Kanasaki
- Department of Diabetology and Endocrinology, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa 920-0293, Japan.
- Division of Anticipatory Molecular Food Science and Technology, Medical Research Institute, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa 920-0293, Japan.
| | - Yuna Hara
- Division of Clinical Laboratory, Kanazawa Medical University Hospital, 1-1 Daigaku, Uchinada, Ishikawa 920-0293, Japan.
| | - Hiromi Seto
- Division of Clinical Laboratory, Kanazawa Medical University Hospital, 1-1 Daigaku, Uchinada, Ishikawa 920-0293, Japan.
| | - Yuka Kuroshima
- Department of Diabetology and Endocrinology, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa 920-0293, Japan.
| | - Itaru Monno
- Department of Diabetology and Endocrinology, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa 920-0293, Japan.
| | - Daisuke Koya
- Department of Diabetology and Endocrinology, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa 920-0293, Japan.
- Division of Anticipatory Molecular Food Science and Technology, Medical Research Institute, Kanazawa Medical University, 1-1 Daigaku, Uchinada, Ishikawa 920-0293, Japan.
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Li Y, Yang P, Chang Q, Wang J, Liu J, Lv Y, Wang TTY, Gao B, Zhang Y, Yu LL. Inhibitory Effect of Piceatannol on TNF-α-Mediated Inflammation and Insulin Resistance in 3T3-L1 Adipocytes. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2017; 65:4634-4641. [PMID: 28535046 DOI: 10.1021/acs.jafc.7b01567] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Piceatannol, a bioactive component in grape and blueberry, was examined for its potential in decreasing the inflammatory activities in adipocytes using a cocultured adipocyte and macrophage system, and suppressing tumor necrosis factor-α (TNF-α)-mediated inflammation and the related insulin resistance using a 3T3-L1 adipocyte model. Piceatannol at 10 μM significantly reduced the release of inflammatory cytokines of TNF-α and monocyte chemoattractant protein-1 (MCP-1) by 19 and 31% in the cocultured system, respectively. Pretreatment with piceatannol also inhibited TNF-α-induced expression of interleukin-6 (IL-6) and MCP-1 at both mRNA and protein levels in the 3T3-L1 adipocytes. Piceatannol also partially improved the malfunction of insulin-stimulated glucose uptake, which was reduced by TNF-α in 3T3-L1 adipocytes. Furthermore, the inhibitions were mediated by significant blocking of IκBα phosphorylation and nuclear factor-κB (NF-κB) activation through suppressing nuclear translocation of NF-κB p65 along with c-Jun N-terminal kinase (JNK)-mitogen activated protein kinase (MAPK) activation. In addition, the Akt-dependent forkhead box O1 (FoxO1) signaling pathway was involved in the restoration of insulin-stimulated glucose uptake through suppressing the down-regulation of phosphorylation of Akt and FoxO1 expressions. These results suggested the potential of piceatannol in improving chronic inflammatory condition and insulin sensitivity in obese adipose tissues.
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Affiliation(s)
- Yanfang Li
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology & Business University , Beijing 100048, China
- Institute of Food and Nutraceutical Science, School of Agriculture and Biology, Shanghai Jiao Tong University , Shanghai 200240, China
| | - Puyu Yang
- Institute of Food and Nutraceutical Science, School of Agriculture and Biology, Shanghai Jiao Tong University , Shanghai 200240, China
| | - Qimeng Chang
- Department of Surgery, Fudan University Minhang Hospital , Shanghai 201199, China
| | - Jing Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology & Business University , Beijing 100048, China
| | - Jie Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, Beijing Technology & Business University , Beijing 100048, China
| | - Yuan Lv
- Institute of Food and Nutraceutical Science, School of Agriculture and Biology, Shanghai Jiao Tong University , Shanghai 200240, China
| | - Thomas T Y Wang
- Diet, Genomics, and Immunology Laboratory, Agricultural Research Service (ARS), U.S. Department of Agriculture , Beltsville, Maryland 20705, United States
| | - Boyan Gao
- Department of Nutrition and Food Science, University of Maryland , College Park, Maryland 20742, United States
| | - Yaqiong Zhang
- Institute of Food and Nutraceutical Science, School of Agriculture and Biology, Shanghai Jiao Tong University , Shanghai 200240, China
| | - Liangli Lucy Yu
- Department of Nutrition and Food Science, University of Maryland , College Park, Maryland 20742, United States
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