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Demiroz Akbulut T, Demir S, Alsakini KAMH, Nalbantsoy A, Baykan S. Anti-inflammatory phenolic glycosides from endemic Marrubium rotundifolium Boiss. Nat Prod Res 2024:1-9. [PMID: 39015030 DOI: 10.1080/14786419.2024.2379011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Accepted: 07/06/2024] [Indexed: 07/18/2024]
Abstract
Marrubium rotundifolium Boiss. is an endemic plant distributed in Aegean Region of Türkiye. It's traditionally used in Anatolian medicine for treatment of cold and flu, dyspepsia, costiveness and intestinal spasms. However, phytochemical studies on the plant are limited. In the present study, five phenolic glycosides 4',5,6,7-tetramethoxy scutellarein (1), apigenin-7-O-(3"-O-E-p-coumaroyl)-β-d-glucopyranoside (2), tiliroside (3), 4-(β-d-glucopyranosyloxy) benzoic acid (4), and astragalin (5) were isolated from the aerial parts of M. rotundifolium and their structures were elucidated on the basis of spectroscopic methods (1D and 2D NMR, and MALDI-TOF/MS). Moreover, anti--inflammatory activities of the isolated compounds were evaluated by measurements of interleukins (IL-1β, IL-6) and tumour necrosis factor-alpha (TNF-α) levels. Tiliroside exhibited the highest potency in all pathways. At concentrations of 3 and 6 µg/mL, it significantly decreased the levels of pro-inflammatory cytokines IL-1β (192.53 and 175.54 pg/mL), IL-6 (925.52 and 946.81 pg/mL), and TNF- α (6465.86 and 6267.67 pg/mL). This is the first report on phenolic profile of endemic M. rotundifolium. The anti-inflammatory and antidiabetic activity potential of the plant should be investigated in further studies.
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Affiliation(s)
| | - Serdar Demir
- Department of Pharmaceutical Botany, Ege University, Izmir, Türkiye
| | | | - Ayse Nalbantsoy
- Department of Bioengineering, Ege University, Izmir, Türkiye
| | - Sura Baykan
- Department of Pharmaceutical Botany, Ege University, Izmir, Türkiye
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Wójciak M, Mazurek B, Wójciak W, Kostrzewa D, Żuk M, Chmiel M, Kubrak T, Sowa I. Optimizing the Extraction of the Polyphenolic Fraction from Defatted Strawberry Seeds for Tiliroside Isolation Using Accelerated Solvent Extraction Combined with a Box-Behnken Design. Molecules 2024; 29:3051. [PMID: 38999003 PMCID: PMC11243754 DOI: 10.3390/molecules29133051] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Revised: 06/17/2024] [Accepted: 06/24/2024] [Indexed: 07/14/2024] Open
Abstract
Tiliroside is a natural polyphenolic compound with a wide range of biological activity, and defatted strawberry seeds are its rich source. The goal of this study was to optimize accelerated solvent extraction (ASE) conditions, including temperature, solvent composition, and the number of extraction cycles, using Box-Behnken design to maximize the yield of tiliroside. UPLC-DAD-MS was applied to investigate the polyphenolic composition of the extracts, and preparative liquid chromatography (pLC) was used for isolation. All obtained mathematical models generally showed an increase in the efficiency of isolating polyphenolic compounds with an increase in temperature, ethanol content, and the number of extraction cycles. The optimal established ASE conditions for tiliroside were as follows: a temperature of 65 °C, 63% ethanol in water, and four extraction cycles. This allowed for the obtainment of a tiliroside-rich fraction, and the recovery of isolated tiliroside from plant material reached 243.2 mg from 100 g. Our study showed that ASE ensures the isolation of a tiliroside-rich fraction with high effectiveness. Furthermore, defatted strawberry seeds proved to be a convenient source of tiliroside because the matrix of accompanying components is relatively poor, which facilitates separation.
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Affiliation(s)
- Magdalena Wójciak
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
| | - Barbara Mazurek
- Analytical Department, Łukasiewicz Research Network-New Chemical Syntheses Institute, Aleja Tysiąclecia Państwa Polskiego 13a, 24-110 Puławy, Poland
| | - Weronika Wójciak
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
| | - Dorota Kostrzewa
- Analytical Department, Łukasiewicz Research Network-New Chemical Syntheses Institute, Aleja Tysiąclecia Państwa Polskiego 13a, 24-110 Puławy, Poland
| | - Magdalena Żuk
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
| | - Mariusz Chmiel
- Analytical Department, Łukasiewicz Research Network-New Chemical Syntheses Institute, Aleja Tysiąclecia Państwa Polskiego 13a, 24-110 Puławy, Poland
| | - Tomasz Kubrak
- Department of Biochemistry and General Chemistry, Medical College, University of Rzeszów, 2A Kopisto St., 35-959 Rzeszów, Poland
| | - Ireneusz Sowa
- Department of Analytical Chemistry, Medical University of Lublin, Chodźki 4a, 20-093 Lublin, Poland
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Xu Z, Hileuskaya K, Kraskouski A, Yang Y, Huang Z, Zhao Z. Inhibition of α-glucosidase activity and intestinal glucose transport to assess the in vivo anti-hyperglycemic potential of dodecyl-acylated phlorizin and polydatin derivatives. Food Funct 2024; 15:4785-4804. [PMID: 38511466 DOI: 10.1039/d3fo05233h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/22/2024]
Abstract
A diet containing natural active compounds that can inhibit the hydrolytic activity of α-glucosidase on carbohydrates and intestinal glucose absorption is an effective means of controlling postprandial hyperglycemia. Phlorizin and polydatin as phenolic glycosides have a high affinity for the catalytic site of α-glucosidase, but exhibited unsatisfactory competitive inhibitory capacity, with an IC50 of 0.97 and >2 mM, respectively. However, dodecyl-acylated derivatives of phlorizin and polydatin exerted α-glucosidase inhibitory capacity, with an IC50 of 55.10 and 70.95 μM, respectively, which were greatly enhanced and much stronger than that of acarbose with an IC50 of 2.46 mM. The SPR assay suggested the high affinity of dodecyl phlorizin and dodecyl polydatin to α-glucosidase with equilibrium dissociation constant (KD) values of 12.0 and 7.9 μM, respectively. Both dodecyl phlorizin and dodecyl polydatin reduced the catalytic ability of α-glucosidase by reversible noncompetitive and uncompetitive mixed inhibition, which bind noncovalently to the allosteric site 2 through hydrogen bonds and hydrophobic interactions, thereby inducing the secondary structure unfolding and intrinsic fluorescence quenching of α-glucosidase. Confocal microscopy detection visually showed significant inhibitory effects on FITC-labeled glucose uptake in intestinal Caco-2 cells by phlorizin, polydatin, dodecyl phlorizin and dodecyl polydatin. In addition, based on the differentiated Caco-2 cell monolayer model, dodecyl phlorizin and dodecyl polydatin suppressed intestinal glucose transport more effectively than phlorizin and polydatin, suggesting that they were promising in vivo hypoglycemic active compounds.
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Affiliation(s)
- Zhengming Xu
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Kseniya Hileuskaya
- Institute of Chemistry of New Materials, National Academy of Sciences of Belarus, Minsk, Belarus
| | - Aliaksandr Kraskouski
- Institute of Chemistry of New Materials, National Academy of Sciences of Belarus, Minsk, Belarus
| | - Yujiao Yang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Zhe Huang
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China.
| | - Zhengang Zhao
- School of Food Science and Engineering, South China University of Technology, Guangzhou 510640, China.
- Guangdong Province Key Laboratory for Green Processing of Natural Products and Product Safety, South China University of Technology, 381 Wushan Road, Guangzhou 510640, China
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Yadav D, Yadav A, Bhattacharya S, Dagar A, Kumar V, Rani R. GLUT and HK: Two primary and essential key players in tumor glycolysis. Semin Cancer Biol 2024; 100:17-27. [PMID: 38494080 DOI: 10.1016/j.semcancer.2024.03.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Revised: 03/02/2024] [Accepted: 03/09/2024] [Indexed: 03/19/2024]
Abstract
Cancer cells reprogram their metabolism to become "glycolysis-dominant," which enables them to meet their energy and macromolecule needs and enhancing their rate of survival. This glycolytic-dominancy is known as the "Warburg effect", a significant factor in the growth and invasion of malignant tumors. Many studies confirmed that members of the GLUT family, specifically HK-II from the HK family play a pivotal role in the Warburg effect, and are closely associated with glucose transportation followed by glucose metabolism in cancer cells. Overexpression of GLUTs and HK-II correlates with aggressive tumor behaviour and tumor microenvironment making them attractive therapeutic targets. Several studies have proven that the regulation of GLUTs and HK-II expression improves the treatment outcome for various tumors. Therefore, small molecule inhibitors targeting GLUT and HK-II show promise in sensitizing cancer cells to treatment, either alone or in combination with existing therapies including chemotherapy, radiotherapy, immunotherapy, and photodynamic therapy. Despite existing therapies, viable methods to target the glycolysis of cancer cells are currently lacking to increase the effectiveness of cancer treatment. This review explores the current understanding of GLUT and HK-II in cancer metabolism, recent inhibitor developments, and strategies for future drug development, offering insights into improving cancer treatment efficacy.
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Affiliation(s)
- Dhiraj Yadav
- Amity Institute of Molecular Medicine and Stem Cell Research, Amity University, Noida, Uttar Pradesh 201303, India; Drug Discovery, Jubilant Biosys, Greater Noida, Noida, Uttar Pradesh, India
| | - Anubha Yadav
- Amity Institute of Molecular Medicine and Stem Cell Research, Amity University, Noida, Uttar Pradesh 201303, India
| | - Sujata Bhattacharya
- Amity Institute of Molecular Medicine and Stem Cell Research, Amity University, Noida, Uttar Pradesh 201303, India
| | - Akansha Dagar
- Graduate School of Nanobioscience, Yokohama City University, 22-2 Seto, Kanazawa-Ku, Yokohama 236-0027, Japan
| | - Vinit Kumar
- Amity Institute of Molecular Medicine and Stem Cell Research, Amity University, Noida, Uttar Pradesh 201303, India.
| | - Reshma Rani
- Drug Discovery, Jubilant Biosys, Greater Noida, Noida, Uttar Pradesh, India.
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Xu M, Zhong W, Yang C, Liu M, Yuan X, Lu T, Li D, Zhang G, Liu H, Zeng Y, Yang X, Zhou Y, Zhou L. Tiliroside disrupted iron homeostasis and induced ferroptosis via directly targeting calpain-2 in pancreatic cancer cells. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2024; 127:155392. [PMID: 38412575 DOI: 10.1016/j.phymed.2024.155392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Revised: 01/12/2024] [Accepted: 01/24/2024] [Indexed: 02/29/2024]
Abstract
BACKGROUND Tiliroside (TIL) is a flavonoid compound that exists in a variety of edible plants. These dietary plants are widely used as food and medicine to treat various diseases. However, the effect of TIL on pancreatic cancer (PC) and its underlying mechanisms are unclear. PURPOSE This study aims to reveal the anti-PC effect of TIL and clarify its mechanism. METHODS The inhibitory effects of TIL on PC growth were studied both in vitro and in vivo. Flow cytometry, transmission electron microscopy, immunofluorescence, biochemical analyses, RT-qPCR, genetic ablation, and western blotting were employed to evaluate ferroptosis, autophagy, and iron regulation. Additionally, RNA sequencing (RNA-seq), biomolecular layer interferometry (BLI), and molecular simulation analysis were combined to identify TIL molecular targets. The clinicopathological significance of Calpain-2 (CAPN2) was determined through immunohistochemistry (IHC) on a PC tissue microarray. RESULTS Herein, we showed that TIL was an effective anti-PC drug. CAPN2 was involved in the TIL - induced elevation of the labile iron pool (LIP) in PC cells. TIL directly bound to and inhibited CAPN2 activity, resulting in AKT deactivation and decreased expression of glucose transporters (GLUT1 and GLUT3) in PC cells. Consequently, TIL impaired ATP and NADPH generation, inducing autophagy and ROS production. The accumulation of TIL-induced ROS combined with LIP iron causes the Fenton reaction, leading to lipid peroxidation. Meanwhile, TIL-induced reduction of free iron ions promoted autophagic degradation of ferritin to regulate cellular iron homeostasis, which further exacerbated the death of PC cells by ferroptosis. As an extension of these in vitro findings, our murine xenograft study showed that TIL inhibited the growth of PANC-1 cells. Additionally, we showed that CAPN2 expression levels were related to clinical prognoses in PC patients. CONCLUSION We identify TIL as a potent bioactive inhibitor of CAPN2 and an anti-PC candidate of natural origin. These findings also highlight CAPN2 as a potential target for PC treatment.
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Affiliation(s)
- Maolei Xu
- The Key Laboratory of Traditional Chinese Medicine Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine, School of Pharmacy, Binzhou Medical University, YanTai, ShanDong, 264003, PR China
| | - Weilan Zhong
- The Key Laboratory of Traditional Chinese Medicine Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine, School of Pharmacy, Binzhou Medical University, YanTai, ShanDong, 264003, PR China; The Third Peoples Hospital of Qingdao, Huangdao District, Qingdao, Shandong, 266400, PR China
| | - Chen Yang
- The Key Laboratory of Traditional Chinese Medicine Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine, School of Pharmacy, Binzhou Medical University, YanTai, ShanDong, 264003, PR China
| | - Ming Liu
- The Key Laboratory of Traditional Chinese Medicine Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine, School of Pharmacy, Binzhou Medical University, YanTai, ShanDong, 264003, PR China
| | - Xiaoqing Yuan
- The Key Laboratory of Traditional Chinese Medicine Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine, School of Pharmacy, Binzhou Medical University, YanTai, ShanDong, 264003, PR China
| | - Tao Lu
- The Key Laboratory of Traditional Chinese Medicine Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine, School of Pharmacy, Binzhou Medical University, YanTai, ShanDong, 264003, PR China
| | - Desheng Li
- The Key Laboratory of Traditional Chinese Medicine Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine, School of Pharmacy, Binzhou Medical University, YanTai, ShanDong, 264003, PR China
| | - Guanqing Zhang
- The Key Laboratory of Traditional Chinese Medicine Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine, School of Pharmacy, Binzhou Medical University, YanTai, ShanDong, 264003, PR China
| | - Huan Liu
- The Key Laboratory of Traditional Chinese Medicine Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine, School of Pharmacy, Binzhou Medical University, YanTai, ShanDong, 264003, PR China
| | - Yuying Zeng
- The Key Laboratory of Traditional Chinese Medicine Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine, School of Pharmacy, Binzhou Medical University, YanTai, ShanDong, 264003, PR China
| | - Xiaoping Yang
- The Key Laboratory of Traditional Chinese Medicine Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine, School of Pharmacy, Binzhou Medical University, YanTai, ShanDong, 264003, PR China
| | - Yufu Zhou
- Department of Immunology and Pathogenic Biology, School of Basic Medical Sciences, Shanghai University of Traditional Chinese Medicine, 1200 Cai Lun Rd. Shanghai, 201203, PR China.
| | - Ling Zhou
- The Key Laboratory of Traditional Chinese Medicine Prescription Effect and Clinical Evaluation of State Administration of Traditional Chinese Medicine, School of Pharmacy, Binzhou Medical University, YanTai, ShanDong, 264003, PR China.
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Yang Z, Hao T, Ma J, Yang D, Qiu M, Wang R. Tribuloside: Mechanisms and Efficacy in Treating Acute Lung Injury Revealed by Network Pharmacology and Experimental Validation. Dose Response 2024; 22:15593258241251594. [PMID: 38725454 PMCID: PMC11080732 DOI: 10.1177/15593258241251594] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2023] [Accepted: 04/11/2024] [Indexed: 05/12/2024] Open
Abstract
Background Acute lung injury (ALI) is a serious illness that has few treatment options available. Tribuloside, a natural flavonoid extracted from the Tribulus Terrestris plant in China, is potent in addressing many health issues such as headaches, dizziness, itching, and vitiligo. Objective This study intends to explore the mechanisms of action of Tribuloside in treating ALI through a combination of network pharmacology and experimental validation. Methods We obtained the 2D structure and SMILES number of Tribuloside from the PubChem database. We used the SwissTargetPrediction database to identify pharmacological targets. We found 1215 targets linked to ALI by examining the GeneCards database. We used the String database and Cytoscape software to create the "drug or disease-target" network as well as the protein-protein interactions (PPI). Key targets were identified by evaluating associated biological processes and pathway enrichment. A Venny Diagram showed 49 intersection points between Tribuloside and ALI. Molecular docking with AutoDockTools found that Tribuloside had a high affinity for IL6, BCL2, TNF, STAT3, IL1B, and MAPK3, the top 6 targets in the PPI network by Degree values. To test Tribuloside's therapeutic efficacy in ALI, an acute lung damage model in mice was constructed using lipopolysaccharide. Tribuloside treatment reduced inflammatory cell infiltration, decreased fibrotic area, repaired damaged alveoli, and suppressed inflammatory factors IL-6, TNF-α, and IL-1β in the lungs through many pathways and targets. Conclusion This study reveals that Tribuloside has the potential to treat ALI by targeting various pathways and targets, according to network pharmacology predictions and experimental confirmation.
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Affiliation(s)
| | | | | | - Dan Yang
- Baotou Medical College, Baotou, China
| | - Min Qiu
- Baotou Medical College, Baotou, China
- Inner Mongolia Agricultural University, Hohhot, China
| | - Rui Wang
- Inner Mongolia Agricultural University, Hohhot, China
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Li F, Zeng K, Ming J. Lowering glycemic levels via gastrointestinal tract factors: the roles of dietary fiber, polyphenols, and their combination. Crit Rev Food Sci Nutr 2023:1-37. [PMID: 37966135 DOI: 10.1080/10408398.2023.2278169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2023]
Abstract
Dietary fiber (DF) and polyphenols (DP) are typical blood sugar-lowering components, and both play distinct yet interconnected roles in exerting their blood sugar-lowering effects. We comprehensively summarized the single and combined effects of DF and DP on blood glucose homeostasis through regulating the relevant factors in the upper gastrointestinal tract (UGT) and lower gastrointestinal tract (LGT). In the UGT, DF slowed down glucose metabolism by enhancing digesta viscosity and hindering enzyme-substrate interaction. DP primarily targeted enzymes and substrates. When combined, DP enhanced the adsorption capacity of DF for glucose. DF weakened DP's inhibitory effect on enzymes. Both DF and DP disrupted glucose intestinal uptake via physical or genomic modulation, but the co-consumption of DF and DP demonstrated a lower inhibitory effect on glucose uptake than DP alone. In the LGT, DF and DP showed synergistic or antagonistic effects on gut microbiota. Remarkably, whole foods exhibited potent prebiotic effects due to their compound-rich matrix, potentially enhancing glucose homeostasis and expanding dietary options for glucose regulation research.
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Affiliation(s)
- Fuhua Li
- College of Food Science, Southwest University, Chongqing, People's Republic of China
- Research Group Food Chem and Human Nutrition, Department of Food Technology, Safety and Health, Faculty of Bioscience Engineering, Ghent University, Gent, Belgium
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing, People's Republic of China
| | - Kaifang Zeng
- College of Food Science, Southwest University, Chongqing, People's Republic of China
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing, People's Republic of China
| | - Jian Ming
- College of Food Science, Southwest University, Chongqing, People's Republic of China
- Chongqing Key Laboratory of Speciality Food Co-Built by Sichuan and Chongqing, Chongqing, People's Republic of China
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Ding F, Wang Q, Xie C, Wang M, Zhang L, Gao M, Yang Z, Ma J, Shi X, Chen W, Duan S, Yuan P, Li Y, Ma X, Wu Y, Liu J, Feng X, Cheng Q, Wang Z, Li X, Huang J. The impact of mulberry leaf extract at three different levels on reducing the glycemic index of white bread. PLoS One 2023; 18:e0288911. [PMID: 37561734 PMCID: PMC10414662 DOI: 10.1371/journal.pone.0288911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 06/27/2023] [Indexed: 08/12/2023] Open
Abstract
In this study, the influences of mulberry leaf extract (MLE) addition on the physicochemical properties including the specific volume, texture and sensory features of white bread (WB) were evaluated by the sensory analysis technology. A double-blind, randomised, repeat-measure design was used to study the impact of MLE addition on the postprandial blood glucose response as well as the satiety index of WB. Results showed that the addition of MLE showed no significant effects on the physicochemical properties of WB except for the slight changes of color and bitterness. The addition of MLE significantly reduced the total blood glucose rise after ingestion of WB over 120 minutes, and reduced the GI value of WB in a dose-effect relationship. When the concentration of MLE reached 1.5 g per 100 g available carbohydrate, the GI value of WB could be reduced from 77 to 43. This study provides important information in terms of the appropriateness of MLE when added to more complex real food, the dose-dependent relationship could supply a reference for the application of MLE.
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Affiliation(s)
- Fangli Ding
- Beijing key laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic Disease, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Qing Wang
- Beijing key laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic Disease, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Chen Xie
- Institute of Medicinal Plant Development, Chinese Academy of Medical Science, Peking Union Medical College, Beijing, People’s Republic of China
| | - Meng Wang
- Beijing key laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic Disease, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Lu Zhang
- Beijing key laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic Disease, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Ming Gao
- Beijing key laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic Disease, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Zongling Yang
- Beijing key laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic Disease, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Jianrui Ma
- Beijing key laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic Disease, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Xiaodong Shi
- Department of Clinical Nutrition, Department of Health Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China
| | - Wei Chen
- Department of Clinical Nutrition, Department of Health Medicine, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, People’s Republic of China
| | - Shenglin Duan
- Beijing key laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic Disease, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Peng Yuan
- Beijing key laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic Disease, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Yali Li
- Beijing key laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic Disease, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Xishan Ma
- Beijing key laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic Disease, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Yimin Wu
- Beijing key laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic Disease, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Jia Liu
- Beijing key laboratory of the Innovative Development of Functional Staple and the Nutritional Intervention for Chronic Disease, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Xiaowen Feng
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Qingli Cheng
- Beijing Engineering Research Center of Protein and Functional Peptides, China National Research Institute of Food and Fermentation Industries, Beijing, People’s Republic of China
| | - Zichun Wang
- Beijing Key Laboratory of Forest Food Processing and Safety, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, People’s Republic of China
| | - Xuyan Li
- College of Life Science and Food Engineering, Hebei University of Engineering, Handan, Hebei, People’s Republic of China
| | - Jingmei Huang
- Beijing Key Laboratory of Forest Food Processing and Safety, College of Biological Sciences and Biotechnology, Beijing Forestry University, Beijing, People’s Republic of China
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Mahboob A, Samuel SM, Mohamed A, Wani MY, Ghorbel S, Miled N, Büsselberg D, Chaari A. Role of flavonoids in controlling obesity: molecular targets and mechanisms. Front Nutr 2023; 10:1177897. [PMID: 37252233 PMCID: PMC10213274 DOI: 10.3389/fnut.2023.1177897] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Accepted: 04/13/2023] [Indexed: 05/31/2023] Open
Abstract
Obesity presents a major health challenge that increases the risk of several non-communicable illnesses, such as but not limited to diabetes, hypertension, cardiovascular diseases, musculoskeletal and neurological disorders, sleep disorders, and cancers. Accounting for nearly 8% of global deaths (4.7 million) in 2017, obesity leads to diminishing quality of life and a higher premature mortality rate among affected individuals. Although essentially dubbed as a modifiable and preventable health concern, prevention, and treatment strategies against obesity, such as calorie intake restriction and increasing calorie burning, have gained little long-term success. In this manuscript, we detail the pathophysiology of obesity as a multifactorial, oxidative stress-dependent inflammatory disease. Current anti-obesity treatment strategies, and the effect of flavonoid-based therapeutic interventions on digestion and absorption, macronutrient metabolism, inflammation and oxidative stress and gut microbiota has been evaluated. The use of several naturally occurring flavonoids to prevent and treat obesity with a long-term efficacy, is also described.
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Affiliation(s)
- Anns Mahboob
- Department of Pre-medical Education, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, Doha, Qatar
| | - Samson Mathews Samuel
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, Doha, Qatar
| | - Arif Mohamed
- College of Science, University of Jeddah, Jeddah, Saudi Arabia
| | | | - Sofiane Ghorbel
- Science and Arts at Khulis, University of Jeddah, Jeddah, Saudi Arabia
| | - Nabil Miled
- College of Science, University of Jeddah, Jeddah, Saudi Arabia
| | - Dietrich Büsselberg
- Department of Physiology and Biophysics, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, Doha, Qatar
| | - Ali Chaari
- Department of Pre-medical Education, Weill Cornell Medicine-Qatar, Education City, Qatar Foundation, Doha, Qatar
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10
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Hyun YJ, Park SY, Kim JY. The effect of fermented rice germ extracts on the inhibition of glucose uptake in the gastrointestinal tract in vitro and in vivo. Food Sci Biotechnol 2023; 32:371-379. [PMID: 36778085 PMCID: PMC9905455 DOI: 10.1007/s10068-022-01198-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 10/04/2022] [Accepted: 10/25/2022] [Indexed: 11/11/2022] Open
Abstract
This study aimed to evaluate the effect of fermented rice germ extracts on the inhibition of glucose uptake in the gastrointestinal (GI) tract. Samples were prepared by extracting rice germ fermented with Lactobacillus plantarum with 30% ethanol (RG_30E) or 50% ethanol (RG_50E). Ferulic acid was determined as the active component in the samples. RG_30E significantly inhibited glucose uptake and mRNA expression of GLUT2 and SGLT1 to a larger extent than RG_50E in Caco-2 cells. A single oral administration was performed on C57BL/6 mice to confirm which substrate (glucose, sucrose, or maltose) the sample inhibited absorption of, improving postprandial blood glucose elevation. As a result, RG_30E resulted in significantly lower blood glucose levels and AUC after glucose and sucrose administration. Therefore, fermented rice germ extracted with 30% ethanol regulates glucose uptake through glucose transporters and can be expected to alleviate postprandial hyperglycemia in the GI tract. Supplementary Information The online version contains supplementary material available at 10.1007/s10068-022-01198-6.
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Affiliation(s)
- Ye Ji Hyun
- Department of Food Science and Technology, Seoul National University of Science and Technology, 232, Gongneung-ro, Nowon-gu, Seoul, 01811 Republic of Korea
| | - Soo-yeon Park
- Department of Food Science and Technology, Seoul National University of Science and Technology, 232, Gongneung-ro, Nowon-gu, Seoul, 01811 Republic of Korea
| | - Ji Yeon Kim
- Department of Food Science and Technology, Seoul National University of Science and Technology, 232, Gongneung-ro, Nowon-gu, Seoul, 01811 Republic of Korea
- Department of Nano Bio Engineering, Seoul National University of Science and Technology, 232, Gongneung-ro, Nowon-gu, Seoul, 01811 Republic of Korea
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11
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Dietary Polyphenols and In Vitro Intestinal Fructose Uptake and Transport: A Systematic Literature Review. Int J Mol Sci 2022; 23:ijms232214355. [PMID: 36430831 PMCID: PMC9697405 DOI: 10.3390/ijms232214355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Revised: 11/14/2022] [Accepted: 11/17/2022] [Indexed: 11/22/2022] Open
Abstract
Recent evidence links chronic consumption of large amounts of fructose (FRU) with several non-communicable disease. After ingestion, dietary FRU is absorbed into the intestinal tract by glucose transporter (GLUT) 5 and transported to the portal vein via GLUT2. GLUT2 is primarily localized on the basolateral membrane, but GLUT2 may be dislocated post-prandially from the basolateral membrane of intestinal cells to the apical one. Polyphenols (PP) are plant secondary metabolites that exert hypoglycemic properties by modulating intracellular insulin signaling pathways and by inhibiting intestinal enzymes and transporters. Post-prandially, PP may reach high concentrations in the gut lumen, making the inhibition of FRU absorption a prime target for exploring the effects of PP on FRU metabolism. Herein, we have systematically reviewed studies on the effect of PP and PP-rich products on FRU uptake and transport in intestinal cells. In spite of expectations, the very different experimental conditions in the various individual studies do not allow definitive conclusions to be drawn. Future investigations should rely on standardized conditions in order to obtain comparable results that allow a credible rating of polyphenols and polyphenol-rich products as inhibitors of fructose uptake.
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12
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Unveiling the Techno-Functional and Bioactive Properties of Bee Pollen as an Added-Value Food Ingredient. Food Chem 2022; 405:134958. [DOI: 10.1016/j.foodchem.2022.134958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2022] [Revised: 11/09/2022] [Accepted: 11/11/2022] [Indexed: 11/16/2022]
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13
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Ismail A, Tanasova M. Importance of GLUT Transporters in Disease Diagnosis and Treatment. Int J Mol Sci 2022; 23:8698. [PMID: 35955833 PMCID: PMC9368955 DOI: 10.3390/ijms23158698] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 07/29/2022] [Accepted: 07/30/2022] [Indexed: 12/04/2022] Open
Abstract
Facilitative sugar transporters (GLUTs) are the primary method of sugar uptake in all mammalian cells. There are 14 different types of those transmembrane proteins, but they transport only a handful of substrates, mainly glucose and fructose. This overlap and redundancy contradict the natural tendency of cells to conserve energy and resources, and has led researchers to hypothesize that different GLUTs partake in more metabolic roles than just sugar transport into cells. Understanding those roles will lead to better therapeutics for a wide variety of diseases and disorders. In this review we highlight recent discoveries of the role GLUTs play in different diseases and disease treatments.
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Affiliation(s)
- Abdelrahman Ismail
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA
| | - Marina Tanasova
- Department of Chemistry, Michigan Technological University, 1400 Townsend Drive, Houghton, MI 49931, USA
- Health Research Institute, Michigan Technological University, Houghton, MI 49931, USA
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14
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Melakhessou MA, Marref SE, Benkiki N, Marref C, Becheker I, Khattabi L. In vitro, acute and subchronic evaluation of the antidiabetic activity of Atractylis flava Desf n-butanol extract in alloxan-diabetic rats. FUTURE JOURNAL OF PHARMACEUTICAL SCIENCES 2021. [DOI: 10.1186/s43094-021-00358-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
Abstract
Background
Diabetes mellitus is a serious complex multifactorial disorder that imposes huge health and economic burden on societies. Because the currently available medications have many drawbacks, it's important to look for alternative therapies. Medicinal plants utilized in folk medicine are ideal candidates. Therefore, this work assessed the antidiabetic action of n-butanol extract from the whole plant Atractylis flava Desf (BEAF). These ethnomedicinal properties of BEAF were scientifically validated using in vitro and in vivo assays. In vitro antidiabetic effect of the BEAF was conducted using α-Glucosidase and α-Amylase assays. While the antihyperglycemic activity was assessed using two rat models: Alloxan-induced diabetic rats and oral glucose challenged rats. Experimental diabetes was induced by a single intraperitoneal injection of alloxan at a dose of 150 mg/kg and animals with fasting blood glucose levels (BGL) > 200 mg/dL were considered diabetic. Glibenclamide (5 mg/kg) was used as a typical drug.
Results
The BEAF at all tested dose levels (100, 250, and 500 mg/kg) showed a significant decrease in blood glucose level in all the two animal models. Besides, the plant extract exhibited a potent inhibitory effect on α-Amylase and α-Glucosidase activity at a concentration of 1000 µg/mL with 76.17% and 89.37%, respectively.
Conclusion
BEAF exerts in vitro and in vivo antidiabetic effects, these results suggest that the plant extract can be a therapeutic resource in the treatment of diabetes and hyperlipidemia.
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15
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Satsu H, Shibata R, Suzuki H, Kimura S, Shimizu M. Inhibitory Effect of Tangeretin and Cardamonin on Human Intestinal SGLT1 Activity In Vitro and Blood Glucose Levels in Mice In Vivo. Nutrients 2021; 13:3382. [PMID: 34684383 PMCID: PMC8539283 DOI: 10.3390/nu13103382] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2021] [Revised: 09/21/2021] [Accepted: 09/23/2021] [Indexed: 01/19/2023] Open
Abstract
Rapid postprandial blood glucose elevation can cause lifestyle-related diseases, such as type II diabetes. The absorption of food-derived glucose is primarily mediated by sodium/glucose cotransporter 1 (SGLT1). Moderate SGLT1 inhibition can help attenuate postprandial blood glucose elevation and prevent lifestyle-related diseases. In this study, we established a CHO cell line stably expressing human SGLT1 and examined the effects of phytochemicals on SGLT1 activity. Among the 50 phytochemicals assessed, tangeretin and cardamonin inhibited SGLT1 activity. Tangeretin and cardamonin did not affect the uptake of L-leucine, L-glutamate, and glycyl-sarcosine. Tangeretin, but not cardamonin, inhibited fructose uptake, suggesting that the inhibitory effect of tangeretin was specific to the monosaccharide transporter, whereas that of cardamonin was specific to SGLT1. Kinetic analysis suggested that the suppression of SGLT1 activity by tangeretin was associated with a reduction in Vmax and an increase in Km, whereas suppression by cardamonin was associated with a reduction in Vmax and no change in Km. Oral glucose tolerance tests in mice showed that tangeretin and cardamonin significantly suppressed the rapid increase in blood glucose levels. In conclusion, tangeretin and cardamonin were shown to inhibit SGLT1 activity in vitro and lower blood glucose level in vivo.
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Affiliation(s)
- Hideo Satsu
- Department of Biotechnology, Faculty of Engineering, Maebashi Institute of Technology, Gunma 371-0816, Japan; (H.S.); (S.K.)
| | - Ryosuke Shibata
- Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan;
| | - Hiroto Suzuki
- Department of Biotechnology, Faculty of Engineering, Maebashi Institute of Technology, Gunma 371-0816, Japan; (H.S.); (S.K.)
| | - Shimon Kimura
- Department of Biotechnology, Faculty of Engineering, Maebashi Institute of Technology, Gunma 371-0816, Japan; (H.S.); (S.K.)
| | - Makoto Shimizu
- Department of Nutritional Science, Tokyo University of Agriculture, Tokyo 156-8502, Japan;
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16
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Liu S, Ai Z, Meng Y, Chen Y, Ni D. Comparative studies on the physicochemical profile and potential hypoglycemic activity of different tea extracts: Effect on sucrase-isomaltase activity and glucose transport in Caco-2 cells. Food Res Int 2021; 148:110604. [PMID: 34507748 DOI: 10.1016/j.foodres.2021.110604] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Revised: 07/03/2021] [Accepted: 07/11/2021] [Indexed: 10/20/2022]
Abstract
Tea is one of the most popular beverages in the world and is believed to be beneficial for health. The main components in tea change greatly depending on different processes, and thus, the effects of different teas on human health may differ. In this study, we compared the effect of green, oolong, black, and dark tea extracts on sucrase-isomaltase (SI) activity and glucose transport, which are two intervention options for postprandial blood glucose control, using Caco-2 cells as a model. Theaflavin-rich black tea extracts showed the highest inhibition of SI activity and retardation of the hydrolysis of sucrose, maltose, and isomaltose, with IC50 values of 8.34 μg/mL, 16.10 μg/mL, and 21.63 μg/mL, respectively. All four kinds of tea extracts caused a dose-dependent inhibition of glucose transport, which were closely related to the catechin content. Green tea extracts showed the highest inhibition of glucose transport and was more effective against sodium-dependent glucose cotransporter 1 (SGLT1) than glucose transporter 2 (GLUT2) in the management of glucose transport. Black tea extracts also inhibited glucose transport despite low level of catechins. The reason could partly lie in the suppression of Na+/K+-ATPase, which reduced the energy needed for SGLT1 to actively transport glucose. Furthermore, the mRNA level of SI, SGLT1, GLUT2, and Na+/K+-ATPase in Caco-2 cells were significantly reduced after treatment with tea extracts for 2 h. These in vitro studies suggested that tea could be used as a functional food in the diet to modulate postprandial hyperglycaemia for diabetic patients.
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Affiliation(s)
- Shuyuan Liu
- College of Horticulture, Northwest A&F University, Yangling 712100, Shaanxi, China; Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China.
| | - Zeyi Ai
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China.
| | - Yang Meng
- College of Horticulture, Northwest A&F University, Yangling 712100, Shaanxi, China.
| | - Yuqiong Chen
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China.
| | - Dejiang Ni
- Key Laboratory of Horticultural Plant Biology, Ministry of Education, College of Horticulture and Forestry Sciences, Huazhong Agricultural University, Wuhan 430070, China.
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17
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Identification of new GLUT2-selective inhibitors through in silico ligand screening and validation in eukaryotic expression systems. Sci Rep 2021; 11:13751. [PMID: 34215797 PMCID: PMC8253845 DOI: 10.1038/s41598-021-93063-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2021] [Accepted: 06/14/2021] [Indexed: 01/07/2023] Open
Abstract
Glucose is an essential energy source for cells. In humans, its passive diffusion through the cell membrane is facilitated by members of the glucose transporter family (GLUT, SLC2 gene family). GLUT2 transports both glucose and fructose with low affinity and plays a critical role in glucose sensing mechanisms. Alterations in the function or expression of GLUT2 are involved in the Fanconi-Bickel syndrome, diabetes, and cancer. Distinguishing GLUT2 transport in tissues where other GLUTs coexist is challenging due to the low affinity of GLUT2 for glucose and fructose and the scarcity of GLUT-specific modulators. By combining in silico ligand screening of an inward-facing conformation model of GLUT2 and glucose uptake assays in a hexose transporter-deficient yeast strain, in which the GLUT1-5 can be expressed individually, we identified eleven new GLUT2 inhibitors (IC50 ranging from 0.61 to 19.3 µM). Among them, nine were GLUT2-selective, one inhibited GLUT1-4 (pan-Class I GLUT inhibitor), and another inhibited GLUT5 only. All these inhibitors dock to the substrate cavity periphery, close to the large cytosolic loop connecting the two transporter halves, outside the substrate-binding site. The GLUT2 inhibitors described here have various applications; GLUT2-specific inhibitors can serve as tools to examine the pathophysiological role of GLUT2 relative to other GLUTs, the pan-Class I GLUT inhibitor can block glucose entry in cancer cells, and the GLUT2/GLUT5 inhibitor can reduce the intestinal absorption of fructose to combat the harmful effects of a high-fructose diet.
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18
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Hira T, Trakooncharoenvit A, Taguchi H, Hara H. Improvement of Glucose Tolerance by Food Factors Having Glucagon-Like Peptide-1 Releasing Activity. Int J Mol Sci 2021; 22:6623. [PMID: 34205659 PMCID: PMC8235588 DOI: 10.3390/ijms22126623] [Citation(s) in RCA: 9] [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: 05/25/2021] [Revised: 06/17/2021] [Accepted: 06/17/2021] [Indexed: 12/14/2022] Open
Abstract
Glucagon-like peptide-1 (GLP-1) is a gastrointestinal hormone released from enteroendocrine L cells in response to meal ingestion. GLP-1 receptor agonists and GLP-1 enhancers have been clinically employed to treat diabetes owing to their glucose-dependent insulin-releasing activity. The release of GLP-1 is primarily stimulated by macronutrients such as glucose and fatty acids, which are nutritionally indispensable; however, excessive intake of sugar and fat is responsible for the development of obesity and diabetes. Therefore, GLP-1 releasing food factors, such as dietary peptides and non-nutrients, are deemed desirable for improving glucose tolerance. Human and animal studies have revealed that dietary proteins/peptides have a potent effect on stimulating GLP-1 secretion. Studies in enteroendocrine cell models have shown that dietary peptides, amino acids, and phytochemicals, such as quercetin, can directly stimulate GLP-1 secretion. In our animal experiments, these food factors improved glucose metabolism and increased GLP-1 secretion. Furthermore, some dietary peptides not only stimulated GLP-1 secretion but also reduced plasma peptidase activity, which is responsible for GLP-1 inactivation. Herein, we review the relationship between GLP-1 and food factors, especially dietary peptides and flavonoids. Accordingly, utilization of food factors with GLP-1-releasing/enhancing activity is a promising strategy for preventing and treating obesity and diabetes.
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Affiliation(s)
- Tohru Hira
- Research Faculty of Agriculture, Hokkaido University, Sapporo 060-8589, Japan
- Graduate School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan;
- School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan;
| | | | - Hayate Taguchi
- School of Agriculture, Hokkaido University, Sapporo 060-8589, Japan;
| | - Hiroshi Hara
- Department of Food Science and Human Nutrition, Fuji Women’s University, Ishikari-shi 061-320, Japan;
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19
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Sousa AP, Fernandes DA, Ferreira MDL, Cordeiro LV, Souza MFV, Pessoa HLF, Oliveira Filho AA, Sá RCS. Analysis of the toxicological and pharmacokinetic profile of Kaempferol-3-O-β-D-(6"-E-p-coumaryl) glucopyranoside - Tiliroside: in silico, in vitro and ex vivo assay. BRAZ J BIOL 2021; 83:e244127. [PMID: 34161458 DOI: 10.1590/1519-6984.244127] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Accepted: 12/30/2020] [Indexed: 11/22/2022] Open
Abstract
Tiliroside is a glycosidic flavonoid present in many plants species including Helicteres velutina K. Schum (Malvaceae sensu lato), commonly known in Brazil as "pitó". This molecule has been shown to have many biological activities, however no study has been carried out to investigate the toxicity of this substance. The present work aimed to evaluate the possible cellular toxicity in silico, in vitro and ex-vivo of the kaempferol-3-O-β-D-(6"-E-p-coumaroyl) glucopyranoside (tiliroside), through chemical structure analysis, toxicity assessment and predictive bioactive properties, using human samples for in vitro and ex-vivo tests. The in silico analysis suggests that tiliroside exhibited great absorption index when penetrating biological membranes. In addition, it also displayed considerable potential for cellular protection against free radicals, and anticarcinogenic, antioxidant, antineoplastic, anti-inflammatory, anti-hemorrhagic and antithrombotic activities. The assessment of the hemolytic and genotoxic effects of tiliroside showed low hemolysis rates in red blood cells and absence of cellular toxicity in the oral mucosa cells. The data obtained indicate that this molecule could be a promising therapeutic approach as a possible new drug with biotechnological potential.
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Affiliation(s)
- A P Sousa
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Fisiologia e Patologia, Pós-graduação em Desenvolvimento e Inovação Tecnológica de Medicamentos, João Pessoa, PB, Brasil
| | - D A Fernandes
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Ciências Farmacêuticas, Pós-graduação em Produtos Naturais e Sintéticos Bioativos, João Pessoa, PB, Brasil
| | - M D L Ferreira
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Ciências Farmacêuticas, Pós-graduação em Produtos Naturais e Sintéticos Bioativos, João Pessoa, PB, Brasil
| | - L V Cordeiro
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Ciências Farmacêuticas, Pós-graduação em Produtos Naturais e Sintéticos Bioativos, João Pessoa, PB, Brasil
| | - M F V Souza
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Fisiologia e Patologia, Pós-graduação em Desenvolvimento e Inovação Tecnológica de Medicamentos, João Pessoa, PB, Brasil.,Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Ciências Farmacêuticas, Pós-graduação em Produtos Naturais e Sintéticos Bioativos, João Pessoa, PB, Brasil
| | - H L F Pessoa
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Fisiologia e Patologia, Pós-graduação em Desenvolvimento e Inovação Tecnológica de Medicamentos, João Pessoa, PB, Brasil
| | - A A Oliveira Filho
- Universidade Federal de Campina Grande - UFCG, Centro de Ciências Biológicas e da Saúde, Patos, PB, Brasil
| | - R C S Sá
- Universidade Federal da Paraíba - UFPB, Centro de Ciências da Saúde, Departamento de Fisiologia e Patologia, Pós-graduação em Desenvolvimento e Inovação Tecnológica de Medicamentos, João Pessoa, PB, Brasil
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20
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Yin X, Wang M, Xia Z. In vitro evaluation of intestinal absorption of tiliroside from Edgeworthia gardneri (Wall.) Meisn. Xenobiotica 2021; 51:728-736. [PMID: 33874851 DOI: 10.1080/00498254.2021.1904304] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Although Edgeworthia gardneri (Wall.) Meisn and its main component tiliroside (TIL) show good bioactivity, its intestinal absorption data supporting its low bioavailability have not been reported.The evaluation results of three absorption models in vitro and in vivo indicated that the results of the Ussing chamber model were basically consistent with the results of in vivo experiments. It was thus applied to investigate the characteristics of TIL across various intestinal regions and the interaction between TIL and adenosine triphosphate (ATP)-binding cassette family proteins (ABC) including, P-glycoprotein (P-gp), multidrug resistance-associated protein 2 (MRP2), and breast cancer resistance protein (BCRP).The data of the bi-directional transport showed that the ileum had the higher apparent permeability coefficient (Papp) of TIL than duodenum and jejunum, suggesting the best absorption of TIL in the ileum.In the presence of the MRP2 inhibitor, the absorption of TIL from water extracts of E. gardneri (Wall.) Meisn (WAE) was improved, indicating that MRP2 other than P-gp and BCRP affected the absorption of TIL and might be responsible for its low bioavailability. This study laid the foundation for enhancing the bioavailability of TIL and highlighted the influences of efflux transporters on bioavailability.
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Affiliation(s)
- Xiongwei Yin
- School of Pharmaceutical Sciences, Chongqing University, Chongqing, China
| | - Min Wang
- School of Pharmaceutical Sciences, Chongqing University, Chongqing, China
| | - Zhining Xia
- School of Pharmaceutical Sciences, Chongqing University, Chongqing, China
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21
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Reverse pharmacology of phytoconstituents of food and plant in the management of diabetes: Current status and perspectives. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2020.10.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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22
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Li Q, Ren C, Yan S, Wang K, Hrynets Y, Xiang L, Xue X, Betti M, Wu L. Extract of Unifloral Camellia sinensis L. Pollen Collected by Apis mellifera L. Honeybees Exerted Inhibitory Effects on Glucose Uptake and Transport by Interacting with Glucose Transporters in Human Intestinal Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:1877-1887. [PMID: 33543617 DOI: 10.1021/acs.jafc.0c07160] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Bee pollen possesses potential hypoglycemic effects but its inhibitory mechanisms on glucose absorption and transportation in intestinal cells still need to be clarified. Here, we determined the inhibitory effects of bee pollen extract originating from Camellia sinensis L. (BP-Cs) as well as its representative phenolic compounds on glucose uptake and transport through a human intestinal Caco-2 cell monolayer model. It showed that three representative phenolic compounds, including gallic acid (GA), 3-O-[6'-O-(trans-p-coumaroyl)-β-d-glucopyranosyl]kaempferol (K1), and 3-O-[2',6'-di-O-(trans-p-coumaroyl)-β-d-glucopyranosyl]kaempferol (K2), with contents of 27.7 ± 0.86, 9.88 ± 0.54, and 7.83 ± 0.46 μg/mg in BP-Cs extract, respectively, exerted mutual antagonistic actions interacting with glucose transporters to inhibit glucose uptake and transport based on their combination index (CI) and molecular docking analysis. K1, K2, and GA might compete with d-glucose to form hydrogen bonds with the same active residues including GLU-412, GLY-416, GLN-314, and TRP-420 in GLUT2. These findings provide us a deep understanding of the mechanisms underlying the anti-hyperglycemia by bee pollen, which provide a new sight on dietary intervention strategies against diabetes.
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Affiliation(s)
- Qiangqiang Li
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
- Department of Agricultural Food and Nutritional Science, Faculty of Agricultural, Life & Environmental Sciences, University of Alberta, Edmonton, Alberta T6G 2P5, Canada
| | - Caijun Ren
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
| | - Sha Yan
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
| | - Kai Wang
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
| | - Yuliya Hrynets
- Department of Agricultural Food and Nutritional Science, Faculty of Agricultural, Life & Environmental Sciences, University of Alberta, Edmonton, Alberta T6G 2P5, Canada
| | - Lei Xiang
- Guangdong Provincial Research Center for Environment Pollution Control and Remediation Materials, College of Life Science and Technology, Jinan University, Guangzhou, Guangdong 510632, China
| | - Xiaofeng Xue
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
| | - Mirko Betti
- Department of Agricultural Food and Nutritional Science, Faculty of Agricultural, Life & Environmental Sciences, University of Alberta, Edmonton, Alberta T6G 2P5, Canada
| | - Liming Wu
- Institute of Apicultural Research, Chinese Academy of Agricultural Sciences, Beijing 100093, China
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23
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Characterization of α-glucosidase inhibitory activity of Tetracera scandens leaves by Fourier transform infrared spectroscopy-based metabolomics. ADVANCES IN TRADITIONAL MEDICINE 2020. [DOI: 10.1007/s13596-019-00417-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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24
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Wang Y, Berhow MA, Black M, Jeffery EH. A comparison of the absorption and metabolism of the major quercetin in brassica, quercetin-3-O-sophoroside, to that of quercetin aglycone, in rats. Food Chem 2020; 311:125880. [DOI: 10.1016/j.foodchem.2019.125880] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 11/06/2019] [Accepted: 11/07/2019] [Indexed: 01/16/2023]
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25
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Ou-Yang C, Chai W, Xu X, Song S, Wei Q, Huang Q, Zou Z. Inhibitory potential of proanthocyanidins from the fruit pulp of Clausena lansium (Lour.) Skeels against α-glucosidase and non-enzymatic glycation: Activity and mechanism. Process Biochem 2020. [DOI: 10.1016/j.procbio.2020.01.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Tao S, Chen G, Xu W, Peng Y, Wan P, Sun Y, Zeng X, Liu Z. Preparation of theasinensin A and theasinensin B and exploration of their inhibitory mechanism on α-glucosidase. Food Funct 2020; 11:3527-3538. [DOI: 10.1039/c9fo03054a] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Theasinensin A (TSA) and theasinensin B (TSB), dimers of tea catechins produced during the processing of oolong tea and black tea, had superior inhibitory effects on α-glucosidase.
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Affiliation(s)
- Sainan Tao
- College of Food Science and Technology
- Nanjing Agricultural University
- Nanjing 210095
- China
| | - Guijie Chen
- College of Food Science and Technology
- Nanjing Agricultural University
- Nanjing 210095
- China
| | - Weiqi Xu
- College of Food Science and Technology
- Nanjing Agricultural University
- Nanjing 210095
- China
| | - Yujia Peng
- College of Food Science and Technology
- Nanjing Agricultural University
- Nanjing 210095
- China
| | - Peng Wan
- College of Food Science and Technology
- Nanjing Agricultural University
- Nanjing 210095
- China
| | - Yi Sun
- College of Food Science and Technology
- Nanjing Agricultural University
- Nanjing 210095
- China
| | - Xiaoxiong Zeng
- College of Food Science and Technology
- Nanjing Agricultural University
- Nanjing 210095
- China
| | - Zhonghua Liu
- Key Laboratory of Ministry of Education for Tea Science
- Hunan Agricultural University
- Changsha 410128
- China
- National Research Center of Engineering Technology for Utilization of Botanical Functional Ingredients
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Pico J, Martínez MM. Unraveling the Inhibition of Intestinal Glucose Transport by Dietary Phenolics: A Review. Curr Pharm Des 2019; 25:3418-3433. [DOI: 10.2174/1381612825666191015154326] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Accepted: 10/03/2019] [Indexed: 01/09/2023]
Abstract
Background:Glucose transport across the intestinal brush border membrane plays a key role in metabolic regulation. Depending on the luminal glucose concentration, glucose is mainly transported by the sodium- dependent glucose transporter (SGLT1) and the facilitated-transporter glucose transporter (GLUT2). SGLT1 is apical membrane-constitutive and it is active at a low luminal glucose concentration, while at concentrations higher than 50 mM, glucose is mainly transported by GLUT2 (recruited from the basolateral membrane). Dietary phenolic compounds can modulate glucose homeostasis by decreasing the postprandial glucose response through the inhibition of SGLT1 and GLUT2.Methods:Phenolic inhibition of intestinal glucose transport has been examined using brush border membrane vesicles from rats, pigs or rabbits, Xenopus oocytes and more recently Caco-2 cells, which are the most promising for harmonizing in vitro experiments.Results:Phenolic concentrations above 100 µM has been proved to successfully inhibit the glucose transport. Generally, the aglycones quercetin, myricetin, fisetin or apigenin have been reported to strongly inhibit GLUT2, while quercetin-3-O-glycoside has been demonstrated to be more effective in SGLT1. Additionally, epigallocatechin as well as epicatechin and epigallocatechin gallates were observed to be inhibited on both SGLT1 and GLUT2.Conclusion:Although, valuable information regarding the phenolic glucose transport inhibition is known, however, there are some disagreements about which flavonoid glycosides and aglycones exert significant inhibition, and also the inhibition of phenolic acids remains unclear. This review aims to collect, compare and discuss the available information and controversies about the phenolic inhibition of glucose transporters. A detailed discussion on the physicochemical mechanisms involved in phenolics-glucose transporters interactions is also included.
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Affiliation(s)
- Joana Pico
- School of Engineering, University of Guelph, Guelph, ON, N1G 2W1, Canada
| | - Mario M. Martínez
- School of Engineering, University of Guelph, Guelph, ON, N1G 2W1, Canada
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Singh C, Prakash C, Mishra P, Tiwari KN, Mishra SK, More RS, Kumar V, Singh J. Hepatoprotective efficacy of Premna integrifolia L. leaves against aflatoxin B1-induced toxicity in mice. Toxicon 2019; 166:88-100. [DOI: 10.1016/j.toxicon.2019.05.014] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2018] [Revised: 05/18/2019] [Accepted: 05/20/2019] [Indexed: 02/07/2023]
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Larvicidal Compounds Extracted from Helicteres velutina K. Schum (Sterculiaceae) Evaluated against Aedes aegypti L. Molecules 2019; 24:molecules24122315. [PMID: 31234501 PMCID: PMC6631904 DOI: 10.3390/molecules24122315] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2019] [Revised: 06/07/2019] [Accepted: 06/17/2019] [Indexed: 11/17/2022] Open
Abstract
Helicteres velutina K. Schum (Sterculiaceae), a member of Malvaceae sensu lato, is a Brazilian endemic plant that has been used by the indigenous tribe Pankarare as an insect repellent. A previous study has reported the isolation of terpenoids, flavonoids and pheophytins, in addition to the larvicidal activity of crude H. velutina extracts derived from the aerial components (leaves, branches/twigs, and flowers). The present study reports the biomonitoring of the effects of fractions and isolated compounds derived from H. velutina against A. aegypti fourth instar larvae. A crude ethanol extract was submitted to liquid–liquid extraction with hexane, dichloromethane, ethyl acetate and n-butanol to obtain their respective fractions. Larvicidal evaluations of the fractions were performed, and the hexane and dichloromethane fractions exhibited greater activities than the other fractions, with LC50 (50% lethal concentration) values of 3.88 and 5.80 mg/mL, respectively. The phytochemical study of these fractions resulted in the isolation and identification of 17 compounds. The molecules were subjected to a virtual screening protocol, and five molecules presented potential larvicidal activity after analyses of their applicability domains. When molecular docking was analysed, only three of these compounds showed an ability to bind with sterol carrier protein-2 (1PZ4), a protein found in the larval intestine. The compounds tiliroside and 7,4′-di-O-methyl-8-O-sulphate flavone showed in vitro larvicidal activity, with LC50 values of 0.275 mg/mL after 72 h and 0.182 mg/mL after 24 h of exposure, respectively. This is the first study to demonstrate the larvicidal activity of sulphated flavonoids against A. aegypti. Our results showed that the presence of the OSO3H group attached to C-8 of the flavonoid was crucial to the larvicidal activity. This research supports the traditional use of H. velutina as an alternative insecticide for the control of A. aegypti, which is a vector for severe arboviruses, such as dengue and chikungunya.
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Pieczykolan A, Pietrzak W, Nowak R, Pielczyk J, Łamacz K. Optimization of Extraction Conditions for Determination of Tiliroside in Tilia L. Flowers Using an LC-ESI-MS/MS Method. JOURNAL OF ANALYTICAL METHODS IN CHEMISTRY 2019; 2019:9052425. [PMID: 30729060 PMCID: PMC6343130 DOI: 10.1155/2019/9052425] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2018] [Accepted: 12/02/2018] [Indexed: 05/26/2023]
Abstract
Tiliroside exhibits a wide spectrum of effects on the human body; considering expensive synthesis of tiliroside, linden trees seem to be a good source of this compound. For the first time, 46 various extraction methods were developed to receive tiliroside from Tilia L., including ultrasound-assisted extraction, maceration, maceration with stirring, accelerated solvent extraction, and extraction under reflux. The effects of extraction techniques, solvents, additives, and temperature on the content of tiliroside were studied using analytical and statistical methods. A new, rapid, simple, sensitive, and selective liquid chromatography-electrospray ionization-tandem mass spectrometry (LC-ESI-MS/MS) method was developed to determine the content of tiliroside in Tilia L. flowers. The LC-ESI-MS/MS analysis demonstrated the highest content of tiliroside in Tilia L. flowers obtained using accelerated solvent extraction (ASE) where 70% ethanol with addition of 1% acetic acid was used as a solvent (7.400 ± 0.019 mg of tiliroside per g dry extract).The results showed that the extracts of Tiliae inflorescentia contained large amounts of tiliroside; therefore, they are good sources of this compound. Moreover, ASE was found to be superior to other extraction techniques due to its high efficiency as well as considerable saving of time and solvent.
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Affiliation(s)
- Aleksandra Pieczykolan
- Department of Pharmaceutical Botany, Medical University of Lublin, Chodźki 1 Str., 20-093 Lublin, Poland
| | - Wioleta Pietrzak
- Department of Pharmaceutical Botany, Medical University of Lublin, Chodźki 1 Str., 20-093 Lublin, Poland
| | - Renata Nowak
- Department of Pharmaceutical Botany, Medical University of Lublin, Chodźki 1 Str., 20-093 Lublin, Poland
| | - Józefina Pielczyk
- Department of Pharmaceutical Botany, Medical University of Lublin, Chodźki 1 Str., 20-093 Lublin, Poland
| | - Karolina Łamacz
- Department of Pharmaceutical Botany, Medical University of Lublin, Chodźki 1 Str., 20-093 Lublin, Poland
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31
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Pico J, Corbin S, Ferruzzi MG, Martinez MM. Banana flour phenolics inhibit trans-epithelial glucose transport from wheat cakes in a coupled in vitrodigestion/Caco-2 cell intestinal model. Food Funct 2019; 10:6300-6311. [DOI: 10.1039/c9fo01679a] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
A 10% replacement of wheat flour with banana flour subjected to different processing conditions resulted in from 45.0 to 54.5% higher glucose transport inhibition.
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Affiliation(s)
- Joana Pico
- School of Engineering
- University of Guelph
- Guelph
- Canada
| | - Sydney Corbin
- Plants for Human Health Institute
- Department of Food
- Bioprocessing and Nutrition Science
- North Carolina State University
- Kannapolis
| | - Mario G. Ferruzzi
- Plants for Human Health Institute
- Department of Food
- Bioprocessing and Nutrition Science
- North Carolina State University
- Kannapolis
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32
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Takeda S, Shimoda H, Takarada T, Imokawa G. Strawberry seed extract and its major component, tiliroside, promote ceramide synthesis in the stratum corneum of human epidermal equivalents. PLoS One 2018; 13:e0205061. [PMID: 30300355 PMCID: PMC6177135 DOI: 10.1371/journal.pone.0205061] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2018] [Accepted: 09/19/2018] [Indexed: 01/01/2023] Open
Abstract
The activation of peroxisomeproliferator-activated receptor (PPAR) α can stimulate the expression of ceramide-related enzymes, and a major component of strawberry seed extract (SSE) tiliroside enhances the expression of PPARα. We determined whether SSE and tiliroside may stimulate ceramide synthesis in the stratum corneum (SC) of the human epidermal equivalents (HEEs) culture model. Treatment with SSE at 1.0 and 3.0 μg/mL elicited a significant increase in the total ceramide content in the SC, which was accompanied by a significant increase in almost all ceramide species except for ceramide [EOS] and [AP]. Treatment with tiliroside at 0.3 μg/mL slightly accentuated the total ceramide content in the SC together with a significant increase in the ceramide [NS, NDS] content. Messenger RNA analysis demonstrated that SSE at 1 or 3 μg/mL significantly stimulated the gene expression of serine palmitoyltransferase (SPT) 2, ceramide synthase (CerS) 3, glucosylceramide synthase (GCS), and β-glucocerebrosidase (GBA) but not of SPT1, sphingomyelin synthase (SMS) 1/2 and acid sphingomyelinase (ASM). In contrast, tiliroside elicited significant increases in the gene expression levels of GCS and GBA only at 0.3 and/or 0.1 μg/mL. Western blotting analysis revealed that both SSE and tiliroside enhanced the protein expression levels of GCS and GBA but not of SPT2 at 1 or 3 and 0.1 or 0.3 μg/mL, respectively. These findings suggested that both SSE and tiliroside have a distinct potential to stimulate the level of ceramide [NS, NDS] in the SC by enhancing the expression of GCS and GBA. The higher stimulatory effect with SSE than tiliroside on SC ceramide synthesis correlates with the significant increase observed with SSE but not tiliroside in the gene expression levels of SPT2 and CerS3. Therefore, it is anticipated that SSE is effective in improving skin barrier function and moisture retention in several ceramide-deficit skin conditions, including surfactant-induced roughened skin, xerosis, and atopic dermatitis.
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Affiliation(s)
- Shogo Takeda
- Research & Development Division, Oryza Oil & Fat Chemical Co., Ltd., Aichi, Japan
| | - Hiroshi Shimoda
- Research & Development Division, Oryza Oil & Fat Chemical Co., Ltd., Aichi, Japan
| | - Toru Takarada
- Research & Development Division, Oryza Oil & Fat Chemical Co., Ltd., Aichi, Japan
| | - Genji Imokawa
- Research Institute for Biological Functions, Chubu University, Aichi, Japan
- Center for Bioscience Research and Education, Utsunomiya University, Tochigi, Japan
- * E-mail:
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33
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Intestinal Saturated Long-Chain Fatty Acid, Glucose and Fructose Transporters and Their Inhibition by Natural Plant Extracts in Caco-2 Cells. Molecules 2018; 23:molecules23102544. [PMID: 30301205 PMCID: PMC6222386 DOI: 10.3390/molecules23102544] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Revised: 09/29/2018] [Accepted: 10/04/2018] [Indexed: 02/07/2023] Open
Abstract
The intestinal absorption of fatty acids, glucose and fructose is part of the basic requirements for the provision of energy in the body. High access of saturated long-chain fatty acids (LCFA), glucose and fructose can facilitate the development of metabolic diseases, particularly the metabolic syndrome and type-2 diabetes mellitus (T2DM). Research has been done to find substances which decelerate or inhibit intestinal resorption of these specific food components. Promising targets are the inhibition of intestinal long-chain fatty acid (FATP2, FATP4), glucose (SGLT1, GLUT2) and fructose (GLUT2, GLUT5) transporters by plant extracts and by pure substances. The largest part of active components in plant extracts belongs to the group of polyphenols. This review summarizes the knowledge about binding sites of named transporters and lists the plant extracts which were tested in Caco-2 cells regarding uptake inhibition.
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34
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Grochowski DM, Locatelli M, Granica S, Cacciagrano F, Tomczyk M. A Review on the Dietary Flavonoid Tiliroside. Compr Rev Food Sci Food Saf 2018; 17:1395-1421. [PMID: 33350157 DOI: 10.1111/1541-4337.12389] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2018] [Revised: 07/17/2018] [Accepted: 07/25/2018] [Indexed: 12/12/2022]
Abstract
Among flavonoid derivatives, tiliroside is a flavonoid contained in several edible plants or specific plant parts (fruits, leaves, or roots). These parts are often widely used as both food and medicines, in the treatment of various ailments and, in some cases, as food supplements. Considering the easy access to many publications concerning tiliroside and the lack of a review that summarizes the current progress in studies on its safety, efficacy, and presence in the plant kingdom, we present here a review paper on tiliroside and its principal derivatives. The paper also highlights the basic knowledge regarding this molecule, its derivatives, and the analytical approaches used for extraction and quantification, as well as reports on the biological activities against different key enzymes linked to various human diseases. The reported information is also devoted to highlighting the concept "learn from nature to discover new products," particularly in the development of new drugs, food supplements, and nutraceuticals, starting from a natural lead compound such as tiliroside and improving its biological activities (and selectivities) against a specific target for therapeutic purposes.
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Affiliation(s)
- Daniel M Grochowski
- Dept. of Pharmacognosy, Faculty of Pharmacy with the Div. of Laboratory Medicine, Medical Univ. of Białystok, Białystok, Poland
| | - Marcello Locatelli
- Dept. of Pharmacy, Univ. "G. d'Annunzio" of Chieti-Pescara, Chieti, Italy
| | - Sebastian Granica
- Dept. of Pharmacognosy and Molecular Basis of Phytotherapy, Faculty of Pharmacy, Warsaw Medical Univ., Warsaw, Poland
| | | | - Michał Tomczyk
- Dept. of Pharmacognosy, Faculty of Pharmacy with the Div. of Laboratory Medicine, Medical Univ. of Białystok, Białystok, Poland
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35
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Domínguez-Avila JA, Wall-Medrano A, Velderrain-Rodríguez GR, Chen CYO, Salazar-López NJ, Robles-Sánchez M, González-Aguilar GA. Gastrointestinal interactions, absorption, splanchnic metabolism and pharmacokinetics of orally ingested phenolic compounds. Food Funct 2018; 8:15-38. [PMID: 28074953 DOI: 10.1039/c6fo01475e] [Citation(s) in RCA: 111] [Impact Index Per Article: 18.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The positive health effects of phenolic compounds (PCs) have been extensively reported in the literature. An understanding of their bioaccessibility and bioavailability is essential for the elucidation of their health benefits. Before reaching circulation and exerting bioactions in target tissues, numerous interactions take place before and during digestion with either the plant or host's macromolecules that directly impact the organism and modulate their own bioaccessibility and bioavailability. The present work is focused on the gastrointestinal (GI) interactions that are relevant to the absorption and metabolism of PCs and how these interactions impact their pharmacokinetic profiles. Non-digestible cell wall components (fiber) interact intimately with PCs and delay their absorption in the small intestine, instead carrying them to the large intestine. PCs not bound to fiber interact with digestible nutrients in the bolus where they interfere with the digestion and absorption of proteins, carbohydrates, lipids, cholesterol, bile salts and micronutrients through the inhibition of digestive enzymes and enterocyte transporters and the disruption of micelle formation. PCs internalized by enterocytes may reach circulation (through transcellular or paracellular transport), be effluxed back into the lumen (P-glycoprotein, P-gp) or be metabolized by phase I and phase II enzymes. Some PCs can inhibit P-gp or phase I/II enzymes, which can potentially lead to drug-nutrient interactions. The absorption and pharmacokinetic parameters are modified by all of the interactions within the digestive tract and by the presence of other PCs. Undesirable interactions have promoted the development of nanotechnological approaches to promote the bioaccessibility, bioavailability, and bioefficacy of PCs.
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Affiliation(s)
- J Abraham Domínguez-Avila
- Coordinación de Tecnología de Alimentos de Origen Vegetal, Centro de Investigación en Alimentación y Desarrollo, A.C. Carretera a la Victoria Km 0.6. C.P. 83304, Hermosillo, Sonora, Mexico.
| | - Abraham Wall-Medrano
- Departamento de Ciencias Químico-Biológicas, Instituto de Ciencias Biomédicas, Universidad Autónoma de Ciudad Juárez, Anillo Envolvente del Pronaf y Estocolmo s/n, CP 32310, Cd. Juárez, Chihuahua, Mexico.
| | - Gustavo R Velderrain-Rodríguez
- Coordinación de Tecnología de Alimentos de Origen Vegetal, Centro de Investigación en Alimentación y Desarrollo, A.C. Carretera a la Victoria Km 0.6. C.P. 83304, Hermosillo, Sonora, Mexico.
| | - C-Y Oliver Chen
- Antioxidants Research Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, 711 Washington Street, Boston, Massachusetts 02111, USA.
| | - Norma Julieta Salazar-López
- Departamento de Investigación y Posgrado en Alimentos, Universidad de Sonora, Blvd. Luis Encinas y Rosales S/N Col. Centro, C.P. 83000, Hermosillo, Sonora, Mexico.
| | - Maribel Robles-Sánchez
- Departamento de Investigación y Posgrado en Alimentos, Universidad de Sonora, Blvd. Luis Encinas y Rosales S/N Col. Centro, C.P. 83000, Hermosillo, Sonora, Mexico.
| | - Gustavo A González-Aguilar
- Coordinación de Tecnología de Alimentos de Origen Vegetal, Centro de Investigación en Alimentación y Desarrollo, A.C. Carretera a la Victoria Km 0.6. C.P. 83304, Hermosillo, Sonora, Mexico.
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Alkhalidy H, Wang Y, Liu D. Dietary Flavonoids in the Prevention of T2D: An Overview. Nutrients 2018; 10:nu10040438. [PMID: 29614722 PMCID: PMC5946223 DOI: 10.3390/nu10040438] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2018] [Revised: 03/15/2018] [Accepted: 03/29/2018] [Indexed: 12/16/2022] Open
Abstract
Type 2 diabetes (T2D) is a progressive metabolic disease that is increasing in prevalence globally. It is well established that insulin resistance (IR) and a progressive decline in functional β-cell mass are hallmarks of developing T2D. Obesity is a leading pathogenic factor for developing IR. Constant IR will progress to T2D when β-cells are unable to secret adequate amounts of insulin to compensate for decreased insulin sensitivity. Recently, a considerable amount of research has been devoted to identifying naturally occurring anti-diabetic compounds that are abundant in certain types of foods. Flavonoids are a group of polyphenols that have drawn great interest for their various health benefits. Results from many clinical and animal studies demonstrate that dietary intake of flavonoids might be helpful in preventing T2D, although cellular and molecular mechanisms underlying these effects are still not completely understood. This review discusses our current understanding of the pathophysiology of T2D and highlights the potential anti-diabetic effects of flavonoids and mechanisms of their actions.
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Affiliation(s)
- Hana Alkhalidy
- Department of Human Nutrition, Foods and Exercise, College of Agricultural and Life Sciences, Virginia Tech, Blacksburg, VA 24060, USA.
- Department of Nutrition and Food Technology, Faculty of Agriculture, Jordan University of Science and Technology, Irbid 22110, Jordan.
| | - Yao Wang
- Department of Human Nutrition, Foods and Exercise, College of Agricultural and Life Sciences, Virginia Tech, Blacksburg, VA 24060, USA.
| | - Dongmin Liu
- Department of Human Nutrition, Foods and Exercise, College of Agricultural and Life Sciences, Virginia Tech, Blacksburg, VA 24060, USA.
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37
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Gauer JS, Tumova S, Lippiat JD, Kerimi A, Williamson G. Differential patterns of inhibition of the sugar transporters GLUT2, GLUT5 and GLUT7 by flavonoids. Biochem Pharmacol 2018; 152:11-20. [PMID: 29548810 DOI: 10.1016/j.bcp.2018.03.011] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2018] [Accepted: 03/09/2018] [Indexed: 11/16/2022]
Abstract
Only limited data are available on the inhibition of the sugar transporter GLUT5 by flavonoids or other classes of bioactives. Intestinal GLUT7 is poorly characterised and no information exists concerning its inhibition. We aimed to study the expression of GLUT7 in Caco-2/TC7 intestinal cells, and evaluate inhibition of glucose transport by GLUT2 and GLUT7, and of fructose transport by GLUT2, GLUT5 and GLUT7, by flavonoids. Differentiated Caco-2/TC7 cell monolayers were used to investigate GLUT7 expression, as well as biotinylation and immunofluorescence to assess GLUT7 location. For mechanistic sugar transport studies, X. laevis oocytes were injected with individual mRNA, and GLUT protein expression on oocyte membranes was confirmed. Oocytes were incubated with D-[14C(U)]-glucose or D-[14C(U)]-fructose in the presence of flavonoids, and uptake was estimated by liquid scintilation counting. In differentiated Caco-2/TC7 cell monolayers, GLUT7 was mostly expressed apically. When applied apically, or to both compartments, sorbitol, galactose, L-glucose or sucrose did not affect GLUT7 mRNA expression. Fructose applied to both sides increased GLUT7 mRNA (13%, p ≤ 0.001) and total GLUT7 protein (2.7-fold, p ≤ 0.05), while the ratio between apical, basolateral and total GLUT7 protein was unchanged. In the X. laevis oocyte model, GLUT2-mediated glucose and fructose transport were inhibited by quercetin, (-)-epigallocatechin gallate (EGCG) and apigenin, GLUT5-mediated fructose transport was inhibited by apigenin and EGCG, but not by quercetin, and GLUT7-mediated uptake of both glucose and fructose was inhibited by apigenin, but not by quercetin nor EGCG. Expression of GLUT7 was increased by fructose, but only when applied to Caco-2/TC7 cells both apically and basolaterally. Since GLUT2, GLUT5 and GLUT7 show different patterns of inhibition by the tested flavonoids, we suggest that they have the potential to be used as investigational tools to distinguish sugar transporter activity in different biological settings.
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Affiliation(s)
- Julia S Gauer
- School of Food Science and Nutrition, University of Leeds, Leeds LS2 9JT, UK
| | - Sarka Tumova
- School of Food Science and Nutrition, University of Leeds, Leeds LS2 9JT, UK
| | - Jonathan D Lippiat
- School of Biomedical Sciences, Faculty of Biological Sciences, University of Leeds, Leeds LS2 9JT, UK
| | - Asimina Kerimi
- School of Food Science and Nutrition, University of Leeds, Leeds LS2 9JT, UK
| | - Gary Williamson
- School of Food Science and Nutrition, University of Leeds, Leeds LS2 9JT, UK.
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38
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Li K, Yao F, Du J, Deng X, Li C. Persimmon Tannin Decreased the Glycemic Response through Decreasing the Digestibility of Starch and Inhibiting α-Amylase, α-Glucosidase, and Intestinal Glucose Uptake. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:1629-1637. [PMID: 29388426 DOI: 10.1021/acs.jafc.7b05833] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Regulation of postprandial blood glucose levels is an effective therapeutic proposal for type 2 diabetes treatment. In this study, the effect of persimmon tannin on starch digestion with different amylose levels was investigated both in vitro and in vivo. Oral administration of persimmon tannin-starch complexes significantly suppressed the increase of blood glucose levels and the area under the curve (AUC) in a dose-dependent manner compared with starch treatment alone in an in vivo rat model. Further study proved that persimmon tannin could not only interact with starch directly but also inhibit α-amylase and α-glucosidase strongly, with IC50 values of 0.35 and 0.24 mg/mL, separately. In addition, 20 μg/mL of persimmon tannin significantly decreased glucose uptake and transport in Caco-2 cells model. Overall, our data suggested that persimmon tannin may alleviate postprandial hyperglycemia through limiting the digestion of starch as well as inhibiting the uptake and transport of glucose.
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Affiliation(s)
- Kaikai Li
- College of Food Science and Technology, Huazhong Agricultural University , Wuhan, 430070, China
| | - Fen Yao
- College of Food Science and Technology, Huazhong Agricultural University , Wuhan, 430070, China
| | - Jing Du
- College of Food Science and Technology, Huazhong Agricultural University , Wuhan, 430070, China
| | - Xiangyi Deng
- College of Food Science and Technology, Huazhong Agricultural University , Wuhan, 430070, China
| | - Chunmei Li
- College of Food Science and Technology, Huazhong Agricultural University , Wuhan, 430070, China
- Key Laboratory of Environment Correlative Food Science, Ministry of Education, Huazhong Agricultural University , Wuhan, 430070, China
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39
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Takahama U, Hirota S. Interactions of flavonoids with α-amylase and starch slowing down its digestion. Food Funct 2018; 9:677-687. [DOI: 10.1039/c7fo01539a] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Hydrophobic flavonoids can suppress starch digestion in the intestine by forming starch-flavonoid complexes.
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Affiliation(s)
- Umeo Takahama
- Department of Health and Nutritional Care
- Faculty of Allied Health Sciences
- University of East Asia
- Shimonoseki
- Japan
| | - Sachiko Hirota
- Department of Health and Nutritional Care
- Faculty of Allied Health Sciences
- University of East Asia
- Shimonoseki
- Japan
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40
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Xu N, Meng H, Liu T, Feng Y, Qi Y, Zhang D, Wang H. Blueberry Phenolics Reduce Gastrointestinal Infection of Patients with Cerebral Venous Thrombosis by Improving Depressant-Induced Autoimmune Disorder via miR-155-Mediated Brain-Derived Neurotrophic Factor. Front Pharmacol 2017; 8:853. [PMID: 29230173 PMCID: PMC5712003 DOI: 10.3389/fphar.2017.00853] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Accepted: 11/07/2017] [Indexed: 01/03/2023] Open
Abstract
Cerebral venous thrombosis (CVT) often causes human depression, whereas depression-induced low immunity makes the patients susceptible to gastrointestinal infection. Blueberry possesses antidepressant properties which may improve autoimmunity and reduce gastrointestinal infection. Brain-derived neurotrophic factor (BDNF) performs antidepressant function and can be regulated by miR-155, which may be affected by blueberry. To explore the possible molecular mechanism, blueberry compounds were analyzed by high-performance liquid chromatography. Activity of compounds was tested by using HT22 cells. The present study tested 124 patients with CVT-induced mild-to-moderate depressive symptoms (Center for Epidemiologic Studies—Depression Scale [CES-D] ≥16) and gastrointestinal infection. Patients were randomly assigned to blueberry extract group (BG, received 10 mg blueberry extract daily) and placebo group (PG, received 10 mg placebo daily). After 3 months, depression, gastrointestinal infection and lipid profiles were investigated. Serum miR-155 and BDNF were measured using real-time quantitative polymerase chain reaction and or Western Blot. Blueberry treatment improved depressive symptoms and lipid profiles, and also reduced gastrointestinal infection in the BG group (P < 0.05) but those of the PG group (P = 1). These changes were paralleled by increase in serum levels of BDNF and miR-155 (P < 0.05). HPLC analysis showed that blueberry extracts were the main phenolic acids with 0.18, 0.85, 0.26, 0.72, 0.66, 0.4,1, and 1.92 mg/g of gentisic acid, chlorogenic acid, [2]-epicatechin, p-coumaric acid, benzoic acid, p-anisic acid, and quercetin in blueberry extracts, respectively. Phenolics in blueberry are possible causal agents in improving antidepressant activity and reducing gastrointestinal infection. Administration of blueberry increased BDNF expression and miR-155. Blueberry cannot affect BDNF level when miR-155 is overexpressed or inhibited. Phenolics from blueberry reduced gastrointestinal infection of patients with CVT by improving antidepressant activity via upregulation of miR-155-mediated BDNF.
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Affiliation(s)
- Ning Xu
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Hao Meng
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Tianyi Liu
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Yingli Feng
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Yuan Qi
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Donghuan Zhang
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
| | - Honglei Wang
- Department of Neurosurgery, The First Hospital of Jilin University, Changchun, China
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41
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Torres-Villarreal D, Camacho A, Milagro FI, Ortiz-Lopez R, de la Garza AL. Quercetin-3-O-glucoside Improves Glucose Tolerance in Rats and Decreases Intestinal Sugar Uptake in Caco-2 Cells. Nat Prod Commun 2017. [DOI: 10.1177/1934578x1701201112] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
Flavonoid-rich foods intake has been associated with lower risk of non-communicable chronic diseases. Quercetin is the most abundant flavonoid in nature (fruits, vegetables, leaves and grains) as well as the most consumed flavonol. This study aims to investigate the potential effects of its conjugated form quercetin-3- O-glucoside (or isoquercetin) on glucose metabolism in rats and Caco-2 cells. To analyse the effect of quercetin-3- O-glucoside on postprandial hyperglycemia, an oral glucose tolerance test (OGTT) was conducted in Wistar rats. Additionally, Caco-2 cells were used to determine the effect of quercetin-3- O-glucoside (30 to 60 μM) on mRNA expression of genes involved in glucose uptake by RT-PCR. Thereby, in vivo studies demonstrated that quercetin-3- O-glucoside decreased blood glucose levels evaluated by OGTT in rats. Furthermore, in the presence of Na+, quercetin-3- O-glucoside inhibited methylglucoside (MG) uptake in enterocytes and both sodium dependent glucose transporter-1 (SGLT1)- and glucose transporter-2 (GLUT2)-mediated glucose uptake were downregulated in Caco-2 cells incubated with quercetin-3- O-glucoside. In summary, our results show that quercetin-3- O-glucoside improves postprandial glycemic control in rats and reduces sugar uptake in Caco-2 cells, possible by decreasing the expression of glucose transporters (SGLT1 and GLUT2) according to the results obtained through RT-PCR.
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Affiliation(s)
- Denys Torres-Villarreal
- Universidad Autonoma de Nuevo Leon, Facultad de Salud Pública y Nutrición, Monterrey, Nuevo León, México
| | - Alberto Camacho
- Universidad Autonoma de Nuevo Leon, Facultad de Medicina, Monterrey, Nuevo León, México
- Universidad Autonoma de Nuevo Leon, Unidad de Neurociencias, Centro de Investigación y Desarrollo en Ciencias de la Salud, Monterrey, Nuevo León, México
| | - Fermín I. Milagro
- Department of Nutrition, Food Science and Physiology, Centre for Nutrition Research, University of Navarra, Pamplona, Spain
| | - Rocío Ortiz-Lopez
- Escuela de Medicina, Tecnológico de Monterrey, Monterrey, Nuevo León, México
| | - Ana Laura de la Garza
- Universidad Autonoma de Nuevo Leon, Facultad de Salud Pública y Nutrición, Monterrey, Nuevo León, México
- Universidad Autonoma de Nuevo Leon, Unidad de Nutrición, Centro de Investigación y Desarrollo en Ciencias de la Salud, Monterrey, Nuevo León, México
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42
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Effect of steeping temperature on antioxidant and inhibitory activities of green tea extracts against α-amylase, α-glucosidase and intestinal glucose uptake. Food Chem 2017; 234:168-173. [DOI: 10.1016/j.foodchem.2017.04.151] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 04/21/2017] [Accepted: 04/25/2017] [Indexed: 02/06/2023]
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Nagatomo A, Oguri M, Nishida N, Ogawa M, Ichikawa A, Tanaka-Azuma Y. Evaluation of genotoxicity and subchronic toxicity of standardized rose hip extract. Hum Exp Toxicol 2017; 37:725-741. [DOI: 10.1177/0960327117730881] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Rose hip is the fruit of the rose plant, which is widely used in food, cosmetics and as a traditional medicine. Therefore, rose hip is considered safe and has a sufficient history of consumption as food. However, few studies have reported on the safety of rose hip extracts in toxicological analyses. Thus, to evaluate the safety of rosehip polyphenol MJ (RHPMJ), an aqueous ethanol extract standardized with the trans-tiliroside content, we performed genotoxicity and 90-day repeated oral dose toxicity studies in compliance with the Organisation for Economic Co-operation and Development-Good Laboratory Practice. RHPMJ did not induce gene mutations in reverse mutation tests of Salmonella typhimurium TA98, TA100, TA1535, TA1537 and Escherichia coli WP2 uvrA strains and did not induce chromosomal aberrations in cultured Chinese hamster lung (CHL/IU) cells. Moreover, micronucleus tests using rat bone marrow showed RHPMJ had no micronucleus-inducing potential. Finally, 90-day repeated oral dose toxicity studies (100–1000 mg/kg) in male and female rats showed no treatment-related toxicity in rats. These data indicate that the RHPMJ had no genotoxicity and a no-observed-adverse-effect level greater than 1000 mg/kg in rats.
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Affiliation(s)
| | - M Oguri
- Morishita Jintan Co., Ltd, Osaka, Japan
| | - N Nishida
- Morishita Jintan Co., Ltd, Osaka, Japan
| | - M Ogawa
- Bioresearch Center, CMIC Pharma Science Co., Ltd, Yamanashi, Japan
| | - A Ichikawa
- Bioresearch Center, CMIC Pharma Science Co., Ltd, Yamanashi, Japan
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Chen SJ, Aikawa C, Yoshida R, Kawaguchi T, Matsui T. Anti-prediabetic effect of rose hip (Rosa canina) extract in spontaneously diabetic Torii rats. JOURNAL OF THE SCIENCE OF FOOD AND AGRICULTURE 2017; 97:3923-3928. [PMID: 28182280 DOI: 10.1002/jsfa.8254] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2016] [Revised: 02/01/2017] [Accepted: 02/02/2017] [Indexed: 06/06/2023]
Abstract
BACKGROUND Prediabetes, a high-risk state for developing diabetes showing impaired glucose tolerance but a normal fasting blood glucose level, has an increasing prevalence worldwide. However, no study investigating the prevention of impaired glucose tolerance at the prediabetic stage by anti-diabetic functional foods has been reported. Thus, the present study aimed to evaluate the anti-prediabetic effect of rose hip in a prediabetic rat model. RESULTS Spontaneously diabetic Torii (SDT) rats were supplemented with hot-water extract of rose hip at a dose of 100 mg kg-1 body weight day-1 for 12 weeks. The results obtained showed that the supplementation of rose hip extract improved impaired glucose tolerance, promoted insulin secretion, preserved pancreatic beta-cell function and suppressed plasma advanced glycation end-products formation of methylglyoxal-derived hydroimidazolone (MG-H1) residue and Nϵ -carboxymethyl-lysine residues (e.g. MG-H1, control: 465.5 ± 43.8 versus rose hip: 59.1 ± 13.0 pmol mg protein-1 , P < 0.05) in SDT rats at the prediabetic stage (12-20 weeks old). CONCLUSION The present study provides the first evidence showing that a hot-water extract of rose hip could exert an anti-prediabetic effect in a rat model. © 2017 Society of Chemical Industry.
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Affiliation(s)
- Si Jing Chen
- Division of Bioscience and Bioenvironmental Sciences, Faculty of Agriculture, Graduate School of Kyushu University, Fukuoka, Japan
| | - Chiwa Aikawa
- Division of Bioscience and Bioenvironmental Sciences, Faculty of Agriculture, Graduate School of Kyushu University, Fukuoka, Japan
| | - Risa Yoshida
- Division of Bioscience and Bioenvironmental Sciences, Faculty of Agriculture, Graduate School of Kyushu University, Fukuoka, Japan
| | - Tomoaki Kawaguchi
- Biotechnology and Food Research Institute, Fukuoka Industrial Technology Center, Kurume, Japan
| | - Toshiro Matsui
- Division of Bioscience and Bioenvironmental Sciences, Faculty of Agriculture, Graduate School of Kyushu University, Fukuoka, Japan
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45
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Wang G, Wang JJ, Guan R, Du L, Gao J, Fu XL. Strategies to Target Glucose Metabolism in Tumor Microenvironment on Cancer by Flavonoids. Nutr Cancer 2017; 69:534-554. [PMID: 28323500 DOI: 10.1080/01635581.2017.1295090] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The imbalance between glucose metabolism and cancer cell growth in tumor microenvironment (TME), which are closely related with the occurrence and progression of cancer. Accumulating evidence has demonstrated that flavonoids exert many biological properties, including antioxidant and anticarcinogenic activities. Recently, the roles and applications of flavonoids, particularly in relation to glucose metabolism in cancers, have been highlighted. Thus, the identification of flavonoids targeting alternative glucose metabolism pathways in TME may represent an attractive approach to the more effective therapeutic strategies for cancer. In this review, we will focus on the roles of flavonoids in regulating glucose metabolism and cancer cell growth in TME, such as proliferation advantage, cell mobility, and chemoresistance to cancer, as well as modifiers of thermal sensitivity. Not only have such large-scale endeavors been useful in providing fundamental insights into natural and synthesized flavonoids that can prevent and treat cancer, but also have led to the discovery of potential targets for cancer therapy.
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Affiliation(s)
- Gang Wang
- a Department of Pharmaceutics , Jiangsu University , Shanghai , China
- b Hubei University of Medicine , Shiyan , China
| | - Jun-Jie Wang
- a Department of Pharmaceutics , Jiangsu University , Shanghai , China
- b Hubei University of Medicine , Shiyan , China
| | - Rui Guan
- b Hubei University of Medicine , Shiyan , China
| | - Li Du
- a Department of Pharmaceutics , Jiangsu University , Shanghai , China
| | - Jing Gao
- c Jiangsu University Health Science Center , Jiangsu , China
| | - Xing-Li Fu
- c Jiangsu University Health Science Center , Jiangsu , China
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46
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García-Conesa MT. Dietary Polyphenols against Metabolic Disorders: How Far Have We Progressed in the Understanding of the Molecular Mechanisms of Action of These Compounds? Crit Rev Food Sci Nutr 2015; 57:1769-1786. [DOI: 10.1080/10408398.2014.980499] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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47
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Xu D, Wang Q, Zhang W, Hu B, Zhou L, Zeng X, Sun Y. Inhibitory activities of caffeoylquinic acid derivatives from Ilex kudingcha C.J. Tseng on α-glucosidase from Saccharomyces cerevisiae. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2015; 63:3694-703. [PMID: 25805337 DOI: 10.1021/acs.jafc.5b00420] [Citation(s) in RCA: 56] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Polyphenols and caffeoylquinic acid (CQA) derivatives (3-CQA, 4-CQA, 5-CQA, 3,4-diCQA, 3,5-diCQA, and 4,5-diCQA) were prepared from Ilex kudingcha C.J. Tseng, and their effects and mechanisms on the activities of α-glucosidase from Saccharomyces cerevisiae were investigated in the present study. As results, the IC50 values for CQA derivatives were 0.16-0.39 mg/mL, and the inhibition mode of CQA derivatives was noncompetitive. On the basis of fluorescence spectroscopy and circular dichroism spectroscopy data, the binding constants and number of binding sites were calculated to be 10(6)-10(8) M(-1) and 1.42-1.87, respectively. CQA derivatives could bind to the enzyme mainly through hydrophobic interaction, altering the microenvironment and molecular conformation of the enzyme, thus decreasing the catalytic activity. To the authors' knowledge, this is the first report on α-glucosidase inhibitory mechanism by CQA derivatives from I. kudingcha, and the findings suggest a potential use of kudingcha as functional foods for the prevention and treatment of diabetes and related symptoms.
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Affiliation(s)
- Donglan Xu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, People's Republic of China
| | - Qingchuan Wang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, People's Republic of China
| | - Wenqin Zhang
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, People's Republic of China
| | - Bing Hu
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, People's Republic of China
| | - Li Zhou
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, People's Republic of China
| | - Xiaoxiong Zeng
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, People's Republic of China
| | - Yi Sun
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing 210095, People's Republic of China
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48
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Giordani MA, Collicchio TCM, Ascêncio SD, Martins DTDO, Balogun SO, Bieski IGC, da Silva LA, Colodel EM, de Souza RL, de Souza DLP, de França SA, Andrade CMB, Kawashita NH. Hydroethanolic extract of the inner stem bark of Cedrela odorata has low toxicity and reduces hyperglycemia induced by an overload of sucrose and glucose. JOURNAL OF ETHNOPHARMACOLOGY 2015; 162:352-361. [PMID: 25562721 DOI: 10.1016/j.jep.2014.12.059] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/25/2014] [Revised: 12/21/2014] [Accepted: 12/25/2014] [Indexed: 06/04/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Cedrela odorata L. (Meliaceae) is a native plant of the Amazon region and its inner stem bark is used in the treatment of diabetes in the form of maceration in Brazilian popular medicine. Until now, there is no scientific study on this activity. The present study was aimed at evaluating the anti-hyperglycemic activity, anti-diabetic, toxicity, antioxidant and potential mechanism of action of hydroethanolic extract of the inner stem bark of Cedrela odorata. MATERIAL AND METHODS The inner stem bark extract of Cedrela odorata was prepared by maceration in 70% ethanol for 7 days to obtain hydroethanolic extract of Cedrela odorata (HeECo). The preliminary phytochemical analysis was performed according to procedures described in the literature. Selected secondary metabolites detected were quantified by high performance liquid chromatography (HPLC). Acute toxicity of HeECo was investigated in male and female mice with oral administration of graded doses of HeECo from 10 to 5000 mg/kg. Subchronic oral toxicity study was done by oral administration of HeECo (500 mg/kg) and vehicle for 30 days to both sexes of Wistar rats. Clinical observations and toxicological related parameters were determined. Blood was collected for biochemical and hematological analyses, while histological examinations were performed on selected organs. Anti-hiperglycemic and antidiabetic effects were evaluated in streptozotocin-induced diabetic rats. In acute evaluation, the animals received pretreatment with 250 and 500 mg/kg of HeECo, before carbohydrate overload. For subchronic effect, the antidiabetic activity of HeECo was evaluated using the same doses for 21 days. At the end of the treatments, the levels of triacylglycerols, malondialdehyde, total antioxidant status, superoxide dismutase and glutathione peroxidase activities were evaluated in the plasma. RESULTS The extract showed low acute toxicity. HeECo exhibited inhibitory activity against α-glucosidase and caused a lowering in the peak levels of blood glucose in animals that received glucose overload by 36.7% and 24.1% in the area under the glucose curve (AUC). When the overload was sucrose, HeECo reduced the blood glucose level by 44.4% without affecting AUC. Treatment with HeECo of the blood glucose of the diabetic animals for 21 days did not lead to improvement in weight gain and regularization of the blood glucose level, but reduced the triacylglycerol and malondialdehyde levels by 36.6% and 48.1%, respectively. The activity of the antioxidant enzymes, superoxide dismutase and glutathione peroxidase were significantly increased when compared to diabetic control rats. HPLC analysis showed the presence of polyphenols, such as gallic acid, (-)- gallocatechin and (+)- catechin, the latter is present in higher quantity. CONCLUSIONS Collectively, these data showed that HeECo could blunt the postprandial glycemic surge in rats; possibly through inhibition of alpha-glucosidase and positive modulation of antioxidant enzymes. Our findings confirmed the anti-hiperglycemic activity of HeECo in STZ- diabetic rats. Cedrela odorata is effective in diminishing glucose levels in vitro and in vivo and in ameliorating oxidative damage that occurs in diabetes and/or due to hyperglycemia in rats. According to our results, the efficacy of Cedrela odorata preparation could be due to the presence of active principles with different mode of actions at the molecular level, including α-glycosidases and glucose transporter inhibitors and antioxidant property.
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Affiliation(s)
- Morenna Alana Giordani
- Department of Chemistry, Biochemistry Laboratory, Federal University of Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367, Boa Esperança, CEP: 78060-900, Cuiabá, Mato Grosso, Brazil
| | - Thiago Carvalho Mamede Collicchio
- Natural Products Research Laboratory, Faculty of Medicine, Federal University of Tocantins (UFT), Av. NS15, Palmas, CEP: 77020-210, Palmas, Tocantins, Brazil
| | - Sergio Donizeti Ascêncio
- Natural Products Research Laboratory, Faculty of Medicine, Federal University of Tocantins (UFT), Av. NS15, Palmas, CEP: 77020-210, Palmas, Tocantins, Brazil
| | - Domingos Tabajara de Oliveira Martins
- Department of Basic Health Sciences, Faculty of Medicine, Federal University of Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367, Boa Esperança, CEP: 78060-900, Cuiabá, Mato Grosso, Brazil
| | - Sikiru Olaitan Balogun
- Department of Basic Health Sciences, Faculty of Medicine, Federal University of Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367, Boa Esperança, CEP: 78060-900, Cuiabá, Mato Grosso, Brazil
| | - Isanete Geraldini Costa Bieski
- Department of Basic Health Sciences, Faculty of Medicine, Federal University of Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367, Boa Esperança, CEP: 78060-900, Cuiabá, Mato Grosso, Brazil
| | - Leilane Aparecida da Silva
- Department of Clinical Veterinary Medicine, Federal University of Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367, Boa Esperança, CEP: 78060-900, Cuiabá, Mato Grosso, Brazil
| | - Edson Moleta Colodel
- Department of Clinical Veterinary Medicine, Federal University of Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367, Boa Esperança, CEP: 78060-900, Cuiabá, Mato Grosso, Brazil
| | - Roberto Lopes de Souza
- Department of Clinical Veterinary Medicine, Federal University of Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367, Boa Esperança, CEP: 78060-900, Cuiabá, Mato Grosso, Brazil
| | - Damiana Luiza Pereira de Souza
- Department of Chemistry, Biochemistry Laboratory, Federal University of Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367, Boa Esperança, CEP: 78060-900, Cuiabá, Mato Grosso, Brazil
| | - Suélem Aparecida de França
- Department of Chemistry, Biochemistry Laboratory, Federal University of Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367, Boa Esperança, CEP: 78060-900, Cuiabá, Mato Grosso, Brazil
| | - Claudia Marlise Balbinotti Andrade
- Department of Chemistry, Biochemistry Laboratory, Federal University of Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367, Boa Esperança, CEP: 78060-900, Cuiabá, Mato Grosso, Brazil
| | - Nair Honda Kawashita
- Department of Chemistry, Biochemistry Laboratory, Federal University of Mato Grosso (UFMT), Avenida Fernando Correa da Costa, 2367, Boa Esperança, CEP: 78060-900, Cuiabá, Mato Grosso, Brazil.
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49
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Wu P, He P, Zhao S, Huang T, Lu Y, Zhang K. Effects of ursolic acid derivatives on Caco-2 cells and their alleviating role in streptozocin-induced type 2 diabetic rats. Molecules 2014; 19:12559-76. [PMID: 25153871 PMCID: PMC6270814 DOI: 10.3390/molecules190812559] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2014] [Revised: 08/01/2014] [Accepted: 08/11/2014] [Indexed: 11/17/2022] Open
Abstract
In this study, the effect and mechanism of a series of ursolic acid (UA) derivatives on glucose uptake were investigated in a Caco-2 cells model. Their effect on hyperglycemia, hyperlipidemia and oxidative stress were also demonstrated in streptozocin (STZ)-induced diabetic rats. 2-[N-(7-nitrobenz-2-oxa-1,3-diazol-4-yl)amino]-2-deoxy-glucose (2-NBDG) was used as a fluorescein in Caco-2 cells model to screen UA derivatives by glucose uptake and expression of glucose transporter protein (SGLT-1, GLUT-2). Moreover, STZ-induced diabetic rats were administered with these derivatives for 4 weeks of treatment. The fasting blood glucose (FBG), insulin levels, biochemical parameters, lipid levels, and oxidative stress markers were finally evaluated. The results of this study indicated that compounds 10 and 11 significantly inhibited 2-NBDG uptake under both Na+-dependent and Na+-independent conditions by decreasing SGLT-1 and GLUT-2 expression in the Caco-2 cells model. Further in vivo studies revealed that compound 10 significantly reduced hyperglycemia by increasing levels of serum insulin, total protein, and albumin, while the fasting blood glucose, body weight and food intake were restored much closer to those of normal rats. Compounds 10 and 11 showed hypolipidemic activity by decreasing the total amounts of cholesterol (TC) and triglycerides (TG). Furthermore, compound 10 showed antioxidant potential which was confirmed by elevation of glutathione (GSH) and superoxide dismutase (SOD) and reduction of malondialdehyde (MDA) levels in the liver and kidney of diabetic rats. It was concluded that compound 10 caused an apparent inhibition of intestinal glucose uptake in Caco-2 cells and hypoglycemia, hypolipidemia and augmented oxidative stress in STZ-induced diabetic rats. Thus, compound 10 could be developed as a potentially complementary therapeutic or prophylactic agent for diabetics mellitus and its complications.
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Affiliation(s)
- Panpan Wu
- Department of Pharmaceutical Engineering, Faculty of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Ping He
- Department of Pharmaceutical Engineering, Faculty of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Suqing Zhao
- Department of Pharmaceutical Engineering, Faculty of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China.
| | - Tianming Huang
- Department of Pharmaceutical Engineering, Faculty of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Yujing Lu
- Department of Pharmaceutical Engineering, Faculty of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China
| | - Kun Zhang
- Department of Pharmaceutical Engineering, Faculty of Chemical Engineering and Light Industry, Guangdong University of Technology, Guangzhou 510006, China.
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50
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Yuan E, Liu B, Wei Q, Yang J, Chen L, Li Q. Structure Activity Relationships of Flavonoids as Potent α-Amylase Inhibitors. Nat Prod Commun 2014. [DOI: 10.1177/1934578x1400900829] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The effects of three flavonoids (quercetin, luteolin, diosmetin) on α-amylase were examined by enzymatic kinetics and fluorescence spectroscopy. The three test flavonoids were non-competitive inhibitors of the enzyme. Addition of flavonoids led to fluorescence quenching of α-amylase. The quenching was initiated from the formation of a complex between the flavonoids and the enzyme, corresponding to a static quenching process. An α-amylase molecule provides a binding site for the test flavonoid. The main binding force was hydrophobic. The decreasing order of inhibition of α-amylase by flavonoids and the binding force was luteolin, diosmetin, and quercetin. It is demonstrated that hydroxylation in ring C and methylation of the hydroxyl group in ring B of flavonoids may weaken the binding affinities to α-amylase.
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Affiliation(s)
- Erdong Yuan
- College of Light Industry and Food Science, South China University of Technology, Guangzhou 510640, China
| | - Benguo Liu
- School of Food Science, Henan Institute of Science and Technology, Xinxiang 453003, China
| | - Qingyi Wei
- College of Light Industry and Food Science, South China University of Technology, Guangzhou 510640, China
| | - Jiguo Yang
- College of Light Industry and Food Science, South China University of Technology, Guangzhou 510640, China
| | - Lei Chen
- College of Light Industry and Food Science, South China University of Technology, Guangzhou 510640, China
| | - Qiong Li
- School of Chemistry and Chemical Engineering, South China University of Technology, Guangzhou 510641, China
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