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Nedić O, Penezić A, Minić S, Radomirović M, Nikolić M, Ćirković Veličković T, Gligorijević N. Food Antioxidants and Their Interaction with Human Proteins. Antioxidants (Basel) 2023; 12:antiox12040815. [PMID: 37107190 PMCID: PMC10135064 DOI: 10.3390/antiox12040815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2023] [Revised: 03/22/2023] [Accepted: 03/25/2023] [Indexed: 03/29/2023] Open
Abstract
Common to all biological systems and living organisms are molecular interactions, which may lead to specific physiological events. Most often, a cascade of events occurs, establishing an equilibrium between possibly competing and/or synergistic processes. Biochemical pathways that sustain life depend on multiple intrinsic and extrinsic factors contributing to aging and/or diseases. This article deals with food antioxidants and human proteins from the circulation, their interaction, their effect on the structure, properties, and function of antioxidant-bound proteins, and the possible impact of complex formation on antioxidants. An overview of studies examining interactions between individual antioxidant compounds and major blood proteins is presented with findings. Investigating antioxidant/protein interactions at the level of the human organism and determining antioxidant distribution between proteins and involvement in the particular physiological role is a very complex and challenging task. However, by knowing the role of a particular protein in certain pathology or aging, and the effect exerted by a particular antioxidant bound to it, it is possible to recommend specific food intake or resistance to it to improve the condition or slow down the process.
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Affiliation(s)
- Olgica Nedić
- Institute for the Application of Nuclear Energy, Department for Metabolism, University of Belgrade, Banatska 31b, 11080 Belgrade, Serbia
- Correspondence:
| | - Ana Penezić
- Institute for the Application of Nuclear Energy, Department for Metabolism, University of Belgrade, Banatska 31b, 11080 Belgrade, Serbia
| | - Simeon Minić
- Center of Excellence for Molecular Food Sciences, Department of Biochemistry, Faculty of Chemistry, University of Belgrade, 11000 Belgrade, Serbia
| | - Mirjana Radomirović
- Center of Excellence for Molecular Food Sciences, Department of Biochemistry, Faculty of Chemistry, University of Belgrade, 11000 Belgrade, Serbia
| | - Milan Nikolić
- Center of Excellence for Molecular Food Sciences, Department of Biochemistry, Faculty of Chemistry, University of Belgrade, 11000 Belgrade, Serbia
| | - Tanja Ćirković Veličković
- Center of Excellence for Molecular Food Sciences, Department of Biochemistry, Faculty of Chemistry, University of Belgrade, 11000 Belgrade, Serbia
- Serbian Academy of Sciences and Arts, Knez Mihailova 35, 11000 Belgrade, Serbia
| | - Nikola Gligorijević
- Institute for the Application of Nuclear Energy, Department for Metabolism, University of Belgrade, Banatska 31b, 11080 Belgrade, Serbia
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Pio Ávila B, Cardozo LO, Alves GD, Pereira AM, Gularte MA, de Oliveira RP. Targeted Chemical and Sensory Profiling to Guide Consumption of Blood Orange. JOURNAL OF CULINARY SCIENCE & TECHNOLOGY 2022. [DOI: 10.1080/15428052.2020.1843581] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Bianca Pio Ávila
- Federal University of Pelotas, Post-Graduate Program in Food Science and Technology (PPGCTA), Capão Do Leão, Brazil
| | - L. O. Cardozo
- Chemical Engineering Department, Federal Institute South Riograndense, Pelotas, Brazil
| | - G. D. Alves
- Chemical Engineering Department, Federal Institute South Riograndense, Pelotas, Brazil
| | - A. M. Pereira
- Federal University of Pelotas, Post-Graduate Program in Food Science and Technology (PPGCTA), Capão Do Leão, Brazil
| | - M. A. Gularte
- Federal University of Pelotas, Post-Graduate Program in Food Science and Technology (PPGCTA), Capão Do Leão, Brazil
| | - R. P. de Oliveira
- Research and Development Department, Brazilian Agricultural Research Corporation - Embrapa Clima Temperado, Pelotas, Brazil
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Włoch A, Strugała-Danak P, Pruchnik H, Krawczyk-Łebek A, Szczecka K, Janeczko T, Kostrzewa-Susłow E. Interaction of 4'-methylflavonoids with biological membranes, liposomes, and human albumin. Sci Rep 2021; 11:16003. [PMID: 34362978 PMCID: PMC8346624 DOI: 10.1038/s41598-021-95430-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Accepted: 07/26/2021] [Indexed: 02/07/2023] Open
Abstract
The aim of the study was to compare the impact of three synthesized chemical compounds from a group of methylated flavonoids, i.e. 2'-hydroxy-4-methylchalcone (3), 4'-methylflavanone (4), and 4'-methylflavone (5), on a red blood cell membranes (RBCMs), phosphatidylcholine model membranes (PC), and human serum albumin (HSA) in order to investigate their structure-activity relationships. In the first stage of the study, it was proved that all of the compounds tested do not cause hemolysis of red blood cells and, therefore, do not have a toxic effect. In biophysical studies, it was shown that flavonoids have an impact on the hydrophilic and hydrophobic regions of membranes (both RBCMs and PC) causing an increase in packing order of lipid heads and a decrease in fluidity, respectively. Whereas, on the one hand, the magnitude of these changes depends on the type of the compound tested, on the other hand, it also depends on the type of membrane. 4'-Methylflavanone and 4'-methylflavone are located mainly in the hydrophilic part of lipid membranes, while 2'-hydroxy-4-methylchalcone has a greater impact on the hydrophobic area. A fluorescence quenching study proved that compounds (3), (4) and (5) bind with HSA in a process of static quenching. The binding process is spontaneous whereas hydrogen bonding interactions and van der Waals forces play a major role in the interaction between the compounds and HSA.
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Affiliation(s)
- Aleksandra Włoch
- Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, C. K. Norwida 25, 50-375, Wrocław, Poland
| | - Paulina Strugała-Danak
- Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, C. K. Norwida 25, 50-375, Wrocław, Poland.
| | - Hanna Pruchnik
- Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, C. K. Norwida 25, 50-375, Wrocław, Poland
| | - Agnieszka Krawczyk-Łebek
- Department of Chemistry, Wrocław University of Environmental and Life Sciences, C. K. Norwida 25, 50-375, Wrocław, Poland
| | - Karolina Szczecka
- Department of Physics and Biophysics, Wrocław University of Environmental and Life Sciences, C. K. Norwida 25, 50-375, Wrocław, Poland
| | - Tomasz Janeczko
- Department of Chemistry, Wrocław University of Environmental and Life Sciences, C. K. Norwida 25, 50-375, Wrocław, Poland
| | - Edyta Kostrzewa-Susłow
- Department of Chemistry, Wrocław University of Environmental and Life Sciences, C. K. Norwida 25, 50-375, Wrocław, Poland
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Apigenin-loaded galactose tailored PLGA nanoparticles: A possible strategy for liver targeting to treat hepatocellular carcinoma. Colloids Surf B Biointerfaces 2021; 204:111778. [PMID: 33915380 DOI: 10.1016/j.colsurfb.2021.111778] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2020] [Revised: 03/30/2021] [Accepted: 04/17/2021] [Indexed: 12/22/2022]
Abstract
Hepatocellular carcinoma (HCC) is the most common hepatic malignancy worldwide. Recent reports focusing on the efficacy of apigenin-loaded nanoparticles (NPs) in combating the progress of HCC encouraged us to develop galactose-tailored PLGA NPs loaded with apigenin (API-GAL-NPs) for active liver targeting to treat HCC. Two kinds of apigenin NPs, such as apigenin-PLGA NPs (API-NPs) and API-GAL-NPs were fabricated and characterized by size, surface morphology, encapsulation efficacy, and in vitro drug release kinetics. In vitro assays were performed on HepG2 cells to check the cellular internalization, cytotoxic potential, and apoptotic potential of free apigenin (API), API-NPs, and API-GAL-NPs. In this stdy, API-GAL-NPs exhibited improved cellular internalization of API resulting in significantly high cytotoxic and apoptotic potentials to HepG2 cells over API and API-NPs. In in vivo studies, API-GAL-NPs exhibited a better protective effect against DEN-induced HCC in rats evidenced by the significant reduction of nodule formation, downregulation of matrix metalloproteinases (MMP-2 and MMP-9), and induction of apoptosis in the liver than API and API-NPs. Histopathological studies and scintigraphic imaging also confirmed that API-GAL-NPs treatment achieved better therapeutic efficacy against DEN-induced HCC in rats over API-NPs. In conclusion, API-GAL-NPs may serve as a potential therapeutic agent against HCC in the future by achieving improved liver targeting.
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Ito K, Koike M, Kuroda Y, Yamazaki-Ito T, Terada Y, Ishii T, Nakamura Y, Watanabe T, Kawarasaki Y. Bitterness-masking peptides for epigallocatechin gallate identified through peptide array analysis. FOOD SCIENCE AND TECHNOLOGY RESEARCH 2021. [DOI: 10.3136/fstr.27.221] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Keisuke Ito
- School of Food and Nutritional Sciences, University of Shizuoka
- Department of Food and Nutritional Sciences, Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka
| | - Mayu Koike
- School of Food and Nutritional Sciences, University of Shizuoka
| | - Yuki Kuroda
- Department of Food and Nutritional Sciences, Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka
| | - Toyomi Yamazaki-Ito
- Department of Food and Nutritional Sciences, Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka
| | - Yuko Terada
- School of Food and Nutritional Sciences, University of Shizuoka
- Department of Food and Nutritional Sciences, Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka
| | | | | | - Tatsuo Watanabe
- School of Food and Nutritional Sciences, University of Shizuoka
| | - Yasuaki Kawarasaki
- School of Food and Nutritional Sciences, University of Shizuoka
- Department of Food and Nutritional Sciences, Graduate School of Integrated Pharmaceutical and Nutritional Sciences, University of Shizuoka
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López-Yerena A, Perez M, Vallverdú-Queralt A, Escribano-Ferrer E. Insights into the Binding of Dietary Phenolic Compounds to Human Serum Albumin and Food-Drug Interactions. Pharmaceutics 2020; 12:E1123. [PMID: 33233356 PMCID: PMC7700232 DOI: 10.3390/pharmaceutics12111123] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 11/18/2020] [Accepted: 11/20/2020] [Indexed: 02/06/2023] Open
Abstract
The distribution of drugs and dietary phenolic compounds in the systemic circulation de-pends on, among other factors, unspecific/specific reversible binding to plasma proteins such as human serum albumin (HSA). Phenolic substances, present in plant-derived feeds, foods, beverages, herbal medicines, and dietary supplements, are of great interest due to their biological activity. Recently, considerable research has been directed at the formation of phenol-HSA complexes, focusing above all on structure-affinity relationships. The nucleophilicity and planarity of molecules can be altered by the number and position of hydroxyl groups on the aromatic ring and by hydrogenation. Binding affinities towards HSA may also differ between phenolic compounds in their native form and conjugates derived from phase II reactions. On the other hand, food-drug interactions may increase the concentration of free drugs in the blood, affecting their transport and/or disposition and in some cases provoking adverse or toxic effects. This is caused mainly by a decrease in drug binding affinities for HSA in the presence of flavonoids. Accordingly, to avoid the side effects arising from changes in plasma protein binding, the intake of flavonoid-rich food and beverages should be taken into consideration when treating certain pathologies.
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Affiliation(s)
- Anallely López-Yerena
- Department of Nutrition, Food Science and Gastronomy XaRTA, Faculty of Pharmacy and Food Sciences, Institute of Nutrition and Food Safety (INSA-UB), University of Barcelona, 08028 Barcelona, Spain; (A.L.-Y.); (M.P.); (A.V.-Q.)
| | - Maria Perez
- Department of Nutrition, Food Science and Gastronomy XaRTA, Faculty of Pharmacy and Food Sciences, Institute of Nutrition and Food Safety (INSA-UB), University of Barcelona, 08028 Barcelona, Spain; (A.L.-Y.); (M.P.); (A.V.-Q.)
- Laboratory of Organic Chemistry, Faculty of Pharmacy and Food Sciences, University of Barcelona, 08028 Barcelona, Spain
| | - Anna Vallverdú-Queralt
- Department of Nutrition, Food Science and Gastronomy XaRTA, Faculty of Pharmacy and Food Sciences, Institute of Nutrition and Food Safety (INSA-UB), University of Barcelona, 08028 Barcelona, Spain; (A.L.-Y.); (M.P.); (A.V.-Q.)
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, 28029 Madrid, Spain
| | - Elvira Escribano-Ferrer
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, 28029 Madrid, Spain
- Pharmaceutical Nanotechnology Group I+D+I Associated Unit to CSIC, Biopharmaceutics and Pharmacokinetics Unit, Department of Pharmacy and Pharmaceutical Technology and Physical Chemistry, Institute of Nanoscience and Nanotechnology (IN2UB), Pharmacy and Food Sciences School, University of Barcelona, 08028 Barcelona, Spain
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Abstract
The intake of flavanones, the predominant flavonoid in the Citrus genus in human diets is variable but considerable. It is thus unsurprising that they have attracted interest for their claimed positive effects on health. However, to substantiate any purported impact on health and decipher the underlying mechanism(s), knowledge of pharmacokinetics is crucial. The aim of this article is to review currently known aspects of the fate of flavanones in the organism including absorption, metabolism, distribution, and excretion as well as possible kinetic interactions with clinically used drugs. There are three principal keynotes: (1) The level of parent flavanones in plasma is negligible. The major reason for this is that although flavanones are absorbed into enterocytes after oral intake, they are rapidly metabolized, in particular, into conjugates, sulfates and glucuronides, which are the major forms circulating in plasma. (2) A large fraction reaches the colon where it is efficiently metabolized into small absorbable phenolics. (3) The form (aglycone vs. glycoside) and species (e.g. human vs. rat) have important impact. In conclusion, knowledge of the pharmacokinetics of flavanones, in particular of metabolites, their achievable plasma concentration and half-lives, should be borne in mind when their biological effects are investigated.
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Affiliation(s)
- Iveta Najmanová
- Faculty of Pharmacy, Department of Biological and Medical Sciences, Charles University, Hradec Králové, Czech Republic
| | - Marie Vopršalová
- Faculty of Pharmacy, Department of Pharmacology and Toxicology, Charles University, Hradec Králové, Czech Republic
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, Rome, Italy
| | - Přemysl Mladěnka
- Faculty of Pharmacy, Department of Pharmacology and Toxicology, Charles University, Hradec Králové, Czech Republic
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Yuan M, Liu Y, Xiao A, Leng J, Liao L, Ma L, Liu L. The interaction of dietary flavonoids with xanthine oxidase in vitro: molecular property-binding affinity relationship aspects. RSC Adv 2019; 9:10781-10788. [PMID: 35515322 PMCID: PMC9062502 DOI: 10.1039/c8ra09926j] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2018] [Accepted: 03/25/2019] [Indexed: 11/21/2022] Open
Abstract
The molecular property-affinity relationships of dietary flavonoids binding to xanthine oxidase were investigated in vitro by comparing the binding constants obtained from a fluorescence-quenching method. The inhibitions of dietary flavonoids on xanthine oxidase were also investigated and analyzed, revealing that the binding process was influenced by the structural differences of the flavonoids under investigation. For example, methylation and hydroxylation at the 7- and 5-positions weakened the binding affinities, while hydroxylation at the 3- and 3'-positions mostly improved binding affinities. Glycosylation and hydrogenation of the C2[double bond, length as m-dash]C3 double bond also increased affinities for xanthine oxidase. In addition, galloylated catechins showed higher binding affinities than non-galloylated catechins. Trends in the binding affinities and inhibition of flavonoids during structure modifications were summarized. Affinities for xanthine oxidase and inhibition on xanthine oxidase changed in the opposite direction during the methylation and hydroxylation of flavonoids in the A ring, and the glycosylation and hydrogenation of C2[double bond, length as m-dash]C3. However, affinities and inhibition for xanthine oxidase changed in the same direction during the methylation and hydroxylation of flavonoids in the B ring.
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Affiliation(s)
- Mengmeng Yuan
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences Changsha 410205 China
- College of Chemistry and Chemical Engineering, Central South University Changsha 410083 China
| | - Yi Liu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences Changsha 410205 China
| | - Aiping Xiao
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences Changsha 410205 China
| | - Juan Leng
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences Changsha 410205 China
| | - Liping Liao
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences Changsha 410205 China
| | - Lei Ma
- Zhengzhou Research Base, State Key Laboratory of Cotton Biology, Zhengzhou University China
| | - Liangliang Liu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences Changsha 410205 China
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Wang Q, Zheng Y, Yu Y, Gao H, Lai C, Luo X, Huang X. Effects of cross-pollination by 'Murcott' tangor on the physicochemical properties, bioactive compounds and antioxidant capacities of 'Qicheng 52' navel orange. Food Chem 2019; 270:476-480. [PMID: 30174075 DOI: 10.1016/j.foodchem.2018.07.122] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Revised: 07/18/2018] [Accepted: 07/18/2018] [Indexed: 11/25/2022]
Abstract
This study investigated the effects of cross-pollination by 'Murcott' tangor on the fruit quality of 'Qicheng52' navel orange, including the physicochemical properties, bioactive compounds and antioxidant capacities. There were no significant differences on the fruit weight, juice yield and pH value of juice between self- and cross-pollinated fruits. However, cross-pollination could significantly improve the fruit quality of 'Qicheng52' fruits by increasing the total soluble solid content from 11.12 ± 1.02 °Brix to 13.86 ± 1.17 °Brix. The results of high performance liquid chromatography analysis of three sugar components indicated that the increase of total sugar was mainly contributed by the increase of fructose and sucrose. Cross-pollination exhibited no effect on the flavonoids content, while the total phenolics content was increased from 210.09 ± 18.55 mg/L to 298.25 ± 29.10 mg/L, which contributed to the higher antioxidant capacity in the cross-pollination fruit juice.
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Affiliation(s)
- Qi Wang
- Institute of Agricultural Engineering, Fujian Academy of Agriculture Sciences, Fuzhou Fujian 350003, China; Fujian Key Laboratory of Agricultural Product (Food) Processing, Fuzhou Fujian 350003, China
| | - Yafeng Zheng
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou Fujian 350002, China
| | - Yabai Yu
- Institute of Agricultural Engineering, Fujian Academy of Agriculture Sciences, Fuzhou Fujian 350003, China
| | - Huiying Gao
- Institute of Agricultural Engineering, Fujian Academy of Agriculture Sciences, Fuzhou Fujian 350003, China; Fujian Key Laboratory of Agricultural Product (Food) Processing, Fuzhou Fujian 350003, China
| | - Chengchun Lai
- Institute of Agricultural Engineering, Fujian Academy of Agriculture Sciences, Fuzhou Fujian 350003, China; Fujian Key Laboratory of Agricultural Product (Food) Processing, Fuzhou Fujian 350003, China
| | - Xianliang Luo
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou Fujian 350002, China
| | - Xiangui Huang
- Institute of Agricultural Engineering, Fujian Academy of Agriculture Sciences, Fuzhou Fujian 350003, China.
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Yuan S, Zhang Y, Liu J, Zhao Y, Tan L, Liu J, Wang Q, Zhang H. Structure-affinity relationship of the binding of phenolic acids and their derivatives to bovine serum albumin. Food Chem 2018; 278:77-83. [PMID: 30583441 DOI: 10.1016/j.foodchem.2018.11.060] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2018] [Revised: 11/07/2018] [Accepted: 11/10/2018] [Indexed: 11/28/2022]
Abstract
Phenolic acids perform biological effects which are largely influenced by their binding to serum albumin. Therefore, investigating structure-affinity relationship of binding between phenolic acids and serum albumin is important. In this study, 114 phenolic acids and their derivatives, sharing the benzoic acid core with different substituents groups, were selected to investigate structure-affinity relationships with bovine serum albumin. The binding constants were obtained through fluorescence quenching, and a comprehensive mathematical model with inner-filter effect correction was applied. The results showed that the hydroxy group at the 2-position led to stronger binding affinity, while it had a negative influence at the 4-position. Substituting hydroxy groups with methoxy groups at 4-position and with methyl groups at 3-position both strengthened the binding affinity, respectively. Hydrogen bonding was one of the key binding forces for this binding interaction. Our findings provide a fundamental insight on the binding mechanism of phenolic acids to bovine serum albumin.
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Affiliation(s)
- Sujing Yuan
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, PR China.
| | - Yunyue Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, PR China; Beijing Laboratory of Food Quality and Safety, China Agricultural University, Beijing 100083, PR China.
| | - Jiaxin Liu
- Department of Statistics, University of Illinois at Urbana-Champaign, Urbana 61801, IL, United States
| | - Yu Zhao
- Department of Food Science, Pennsylvania State University, University Park 16802, PA, United States
| | - Libo Tan
- Department of Human Nutrition & Hospitality Management, The University of Alabama, Tuscaloosa 35487, AL, United States.
| | - Jingwen Liu
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, PR China; Beijing Laboratory of Food Quality and Safety, China Agricultural University, Beijing 100083, PR China
| | - Qingyu Wang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, PR China; Beijing Laboratory of Food Quality and Safety, China Agricultural University, Beijing 100083, PR China
| | - Hao Zhang
- Beijing Advanced Innovation Center for Food Nutrition and Human Health, College of Food Science and Nutritional Engineering, China Agricultural University, Beijing 100083, PR China; Beijing Laboratory of Food Quality and Safety, China Agricultural University, Beijing 100083, PR China.
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11
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Cao H, Liu X, Ulrih NP, Sengupta PK, Xiao J. Plasma protein binding of dietary polyphenols to human serum albumin: A high performance affinity chromatography approach. Food Chem 2018; 270:257-263. [PMID: 30174044 DOI: 10.1016/j.foodchem.2018.07.111] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2018] [Revised: 07/15/2018] [Accepted: 07/17/2018] [Indexed: 02/08/2023]
Abstract
Herein, the protein binding rates of structurally different flavonoids to human serum albumin (HSA) were elucidated by applying the high performance affinity chromatography (HPAC). The flavonoids with hydroxyl groups on ring A showed a higher protein binding rate compared with those that there was no hydroxyl on ring A. However, the hydroxylation of ring B lowered the protein binding rate. It was also found that an additional methoxy group in flavone ring A would decrease the protein binding rate. Nevertheless, the methoxy group in flavanone ring A (position 6) and isoflavone ring B (position 4') increased the protein binding rate. Methoxy group at other positions of flavonoids slightly enhanced or no significantly affected the binding rates on human serum albumin. Hydrogenation of C2C3 double bond of flavonoids decreased the protein binding rate and had the same effect as glycosylation which decrease the protein binding rate by 5%-25%.
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Affiliation(s)
- Hui Cao
- College of Food Science, Fujian Agriculture and Forestry University, Fuzhou 350002, China; Institute of Chinese Medical Sciences, State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau
| | - Xiaojuan Liu
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau
| | | | - Pradeep K Sengupta
- Department of Biophysics, Molecular Biology & Bioinformatics, University of Calcutta, 92 Acharya Prafulla Chandra Road, Kolkata 700009, India
| | - Jianbo Xiao
- Institute of Chinese Medical Sciences, State Key Laboratory of Quality Control in Chinese Medicine, University of Macau, Macau.
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12
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Bhattacharya S, Mondal L, Mukherjee B, Dutta L, Ehsan I, Debnath MC, Gaonkar RH, Pal MM, Majumdar S. Apigenin loaded nanoparticle delayed development of hepatocellular carcinoma in rats. NANOMEDICINE-NANOTECHNOLOGY BIOLOGY AND MEDICINE 2018; 14:1905-1917. [PMID: 29802937 DOI: 10.1016/j.nano.2018.05.011] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Accepted: 05/05/2018] [Indexed: 01/15/2023]
Abstract
Hepatocellular carcinoma (HCC) is one of the major causes of cancer related death globally. Apigenin, a dietary flavonoid, possesses anti-tumor activity against HCC cells in-vitro. Development, physicochemical characterization of apigenin loaded nanoparticles (ApNp), biodistribution pattern and pharmacokinetic parameters of apigenin upon intravenous administration of ApNp, and effect of ApNp treatment in rats with HCC were investigated. Apigenin loaded nanoparticles had a sustained drug release pattern and successfully reached the hepatic cancer cells in-vitro as well as in liver of carcinogenic animals. ApNp predominantly delayed the progress of HCC in chemical induced hepatocarcinogenesis in rats. Quantification of apigenin by liquid chromatography-mass spectroscopy (LC-MS/MS) showed that apigenin availability significantly increased in blood and liver upon ApNp treatment. Apigenin loaded nanoparticle delivery substantially controlled the severity of hepatocellular carcinoma and could be a future hope for lingering the survival in hepatic cancer patients.
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Affiliation(s)
- Sanchari Bhattacharya
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata, West Bengal, India
| | - Laboni Mondal
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata, West Bengal, India
| | - Biswajit Mukherjee
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata, West Bengal, India.
| | - Lopamudra Dutta
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata, West Bengal, India
| | - Iman Ehsan
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata, West Bengal, India
| | - Mita C Debnath
- Infectious Diseases and Immunology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, West Bengal, India
| | - Raghuvir H Gaonkar
- Infectious Diseases and Immunology Division, CSIR-Indian Institute of Chemical Biology, Kolkata, West Bengal, India
| | - Murari M Pal
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata, West Bengal, India
| | - Subrata Majumdar
- Division of Molecular Medicine, Bose Institute, Kolkata, West Bengal, India
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13
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Wang B, Qin Q, Chang M, Li S, Shi X, Xu G. Molecular interaction study of flavonoids with human serum albumin using native mass spectrometry and molecular modeling. Anal Bioanal Chem 2017; 410:827-837. [PMID: 28840311 DOI: 10.1007/s00216-017-0564-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2017] [Revised: 06/30/2017] [Accepted: 08/02/2017] [Indexed: 11/29/2022]
Abstract
Noncovalent interactions between proteins and small-molecule ligands widely exist in biological bodies and play significant roles in many physiological and pathological processes. Native mass spectrometry (MS) has emerged as a new powerful tool to study noncovalent interactions by directly analyzing the ligand-protein complexes. In this work, an ultrahigh-resolution native MS method based on a 15-T SolariX XR Fourier transform ion cyclotron resonance mass spectrometer was firstly used to investigate the interaction between human serum albumin (HSA) and flavonoids. Various flavonoids with similar structure were selected to unravel the relationship between the structure of flavonoids and their binding affinity for HSA. It was found that the position of the hydroxyl groups and double bond of flavonoids could influence the noncovalent interaction. Through a competitive experiment between HSA binding site markers and apigenin, the subdomain IIA (site 1) of HSA was determined as the binding site for flavonoids. Moreover, a cooperative allosteric interaction between apigenin and ibuprofen was found from their different HSA binding sites, which was further verified by circular dichroism spectroscopy and molecular docking studies. These results show that native MS is a useful tool to investigate the molecular interaction between a protein and its ligands. Graphical abstract Unravel the relationship between the structure of flavonoids and their binding affinity to HSA by native MS.
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Affiliation(s)
- Bohong Wang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Qian Qin
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Mengmeng Chang
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China.,University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Shuyan Li
- College of Chemistry and Chemical Engineering, Lanzhou University, Lanzhou, Gansu, 730000, China
| | - Xianzhe Shi
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China.
| | - Guowang Xu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, Liaoning, 116023, China.
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Interaction of phenolic acids and their derivatives with human serum albumin: Structure-affinity relationships and effects on antioxidant activity. Food Chem 2017; 240:1072-1080. [PMID: 28946225 DOI: 10.1016/j.foodchem.2017.07.100] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2017] [Revised: 07/02/2017] [Accepted: 07/20/2017] [Indexed: 11/20/2022]
Abstract
In this study, 111 phenolic acids and their derivatives were chosen to investigate their structure-affinity relationships when binding to human serum albumin (HSA), and effects on their antioxidant activity. A comprehensive mathematical model was employed to calculate the binding constants, using a fluorescence quenching method, and this was corrected for the inner-filter effect to improve accuracy. We found that a hydroxy group at the 2-position of the benzene ring exerted a positive effect on the affinities, while a 4-hydroxy substituent had a negative influence. Both methylation of the hydroxy groups and replacing the hydroxy groups with methyl groups at the 3- and 4-positions of the benzene ring enhanced the binding affinities. Hydrophobic force and hydrogen bonding were binding forces for the phenolic acids, and their methyl esters, respectively. The antioxidant activity of the HSA-phenolic acid interaction compounds was higher than that of the phenolic acids alone.
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Tang X, Tang P, Liu L. Molecular Structure-Affinity Relationship of Flavonoids in Lotus Leaf (Nelumbo nucifera Gaertn.) on Binding to Human Serum Albumin and Bovine Serum Albumin by Spectroscopic Method. Molecules 2017. [PMID: 28644391 PMCID: PMC6152052 DOI: 10.3390/molecules22071036] [Citation(s) in RCA: 21] [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] [Indexed: 12/03/2022] Open
Abstract
Lotus leaf has gained growing popularity as an ingredient in herbal formulations due to its various activities. As main functional components of lotus leaf, the difference in structure of flavonoids affected their binding properties and activities. In this paper, the existence of 11 flavonoids in lotus leaf extract was confirmed by High Performance Liquid Chromatography (HPLC) analysis and 11 flavonoids showed various contents in lotus leaf. The interactions between lotus leaf extract and two kinds of serum albumins (human serum albumin (HSA) and bovine serum albumin (BSA)) were investigated by spectroscopic methods. Based on the fluorescence quenching, the interactions between these flavonoids and serum albumins were further checked in detail. The relationship between the molecular properties of flavonoids and their affinities for serum albumins were analyzed and compared. The hydroxylation on 3 and 3’ position increased the affinities for serum albumins. Moreover, both of the methylation on 3’ position of quercetin and the C2=C3 double bond of apigenin and quercetin decreased the affinities for HSA and BSA. The glycosylation lowered the affinities for HSA and BSA depending on the type of sugar moiety. It revealed that the hydrogen bond force played an important role in binding flavonoids to HSA and BSA.
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Affiliation(s)
- Xiaosheng Tang
- Hubei Key Laboratory of Edible Wild Plants Conservation and Utilization & National Demonstration Center for Experimental Biology Education & College of Life Sciences, Hubei Key Laboratory of Pollutant Analysis & Reuse Technology, Hubei Normal University, Huangshi 435002, China.
| | - Ping Tang
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China.
- School of Environmental Science and Engineering, Hubei Polytechnic University, Hubei Key Laboratory of Mine Environmental Pollution Control and Remediation, Huangshi 435003, China.
| | - Liangliang Liu
- Institute of Bast Fiber Crops, Chinese Academy of Agricultural Sciences, Changsha 410205, China.
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Liu B, Bi X, McDonald L, Pang Y, Liu D, Pan C, Wang L. Solvatochromic fluorescent probes for recognition of human serum albumin in aqueous solution: Insights into structure-property relationship. SENSORS AND ACTUATORS. B, CHEMICAL 2016; 236:668-674. [PMID: 28713203 PMCID: PMC5507621 DOI: 10.1016/j.snb.2016.06.056] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
Human serum albumin (HSA) as the most abundant protein in human blood plasma, serves many physiological functions. The dysregulation of HSA in serum or in urine is associated with various diseases, such as cirrhosis of liver, multiple myeloma, and cardiovascular disease. Therefore, to quantify HSA in body fluids with high selectivity and sensitivity is of great significance for disease diagnosis and preventive medicine. We herein developed a series of amide-functionalized flavonoids probes, 1-3, for recognition of human serum albumin. All flavonoids could be easily prepared by a Claisen-Schmidt condensation and Algar-Flynn-Oyamada reaction, and showed positive solvatochromism on their dual emissions. The chemical structure of flavonoids played an important role on their HSA-sensing abilities. Among three probes, the compound 1 showed the highest sensitivity, the remarkable selectivity, and the quantitive response for HSA in aqueous solution. Together with its high tolerance of environmental pH, anti-interference properties, and time-insensitivity, thus it provides a promising sensing method for HSA.
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Affiliation(s)
- Bin Liu
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
- Department of Chemistry, The University of Akron, Akron, OH, 44325, USA
- Corresponding authors at: Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China. (B. Liu), (Y. Pang)
| | - Xiaoman Bi
- Department of Chemistry, The University of Akron, Akron, OH, 44325, USA
| | - Lucas McDonald
- Department of Chemistry, The University of Akron, Akron, OH, 44325, USA
| | - Yi Pang
- Department of Chemistry, The University of Akron, Akron, OH, 44325, USA
- Corresponding authors at: Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China. (B. Liu), (Y. Pang)
| | - Danqing Liu
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Chengjun Pan
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
| | - Lei Wang
- Shenzhen Key Laboratory of Polymer Science and Technology, College of Materials Science and Engineering, Shenzhen University, Shenzhen, 518060, China
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Antitumor efficacy of tangeretin by targeting the oxidative stress mediated on 7,12-dimethylbenz(a) anthracene-induced proliferative breast cancer in Sprague-Dawley rats. Cancer Chemother Pharmacol 2014; 75:263-72. [PMID: 25431347 DOI: 10.1007/s00280-014-2629-z] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Accepted: 11/11/2014] [Indexed: 12/14/2022]
Abstract
PURPOSE The aim of the present study was to assess the chemopreventive and chemotherapeutic efficacy of tangeretin on DMBA-induced oxidative stress in breast cancer-bearing Sprague-Dawley rats. METHODS In this study, the experimental animals were divided into five groups of six animals each. Group I was control, Group II was DMBA-induced breast cancer-bearing rats, Group III was tangeretin pre-treated (50 mg/kg body weight for 30 days orally) breast cancer-bearing animals, Group IV was tangeretin post-treated (50 mg/kg body weight for 30 days orally) and Group V was tangeretin (50 mg/kg body weight) alone treated animals. RESULTS We have observed the general characteristics of cancer, oxidative stress markers, breast cancer marker, antioxidants and histopathological changes in the experimental animals. We have recorded the body weight, tumor weights, tumor volume and antitumor activity of tangeretin in the experimental animals. Oxidative stress markers, like NO and LPO, and breast cancer marker CEA levels were significantly (p < 0.001, p < 0.05) increased as well as the antioxidants like SOD, CAT, GPx, GST, GSH, ascorbic acid and α-tocopherol were found to be significantly (p < 0.05) decreased in cancer-bearing Group II animals. Whereas, the enzymic and non-enzymic antioxidant levels were found to be significantly decreased in cancer-bearing animals. However, in tangeretin pre-treated and post- treated animals, the levels of antioxidants and breast cancer marker were found to be significantly (p < 0.05) reduced with a concomitant increase in the activities of the antioxidants (p < 0.05). In tangeretin alone treated Group V animals, no significant changes were observed in the levels of antioxidants and breast cancer marker. These results were adequately supported by the histopathological studies in the mammary tissues of the experimental animals. CONCLUSION From this study, we conclude that the administration of tangeretin was found to be beneficial against DMBA-induced oxidative stress in breast cancer-bearing animals. Hence, we strongly suggest that tangeretin is effective and efficient candidate for the treatment of experimental breast cancer.
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Molecular simulation of model sulfated polysaccharides of low molecular weight from Ganoderma lucidum and their interaction with human serum albumin. Struct Chem 2014. [DOI: 10.1007/s11224-014-0420-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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19
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Namiesnik J, Vearasilp K, Nemirovski A, Leontowicz H, Leontowicz M, Pasko P, Martinez-Ayala AL, González-Aguilar GA, Suhaj M, Gorinstein S. In vitro studies on the relationship between the antioxidant activities of some berry extracts and their binding properties to serum albumin. Appl Biochem Biotechnol 2014; 172:2849-65. [PMID: 24449373 PMCID: PMC3962580 DOI: 10.1007/s12010-013-0712-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2013] [Accepted: 12/25/2013] [Indexed: 02/07/2023]
Abstract
The aim of this study was to investigate the possibility to use the bioactive components from cape gooseberry (Physalis peruviana), blueberry (Vaccinium corymbosum), and cranberry (Vaccinium macrocarpon) extracts as a novel source against oxidation in food supplementation. The quantitative analysis of bioactive compounds (polyphenols, flavonoids, flavanols, carotenoids, and chlorophyll) was based on radical scavenging spectrophometric assays and mass spectrometry. The total phenolic content was the highest (P < 0.05) in water extract of blueberries (46.6 ± 4.2 mg GAE/g DW). The highest antioxidant activities by 2,2-diphenyl-1-picrylhydrazyl radical scavenging assay and Cupric reducing antioxidant capacity were in water extracts of blueberries, showing 108.1 ± 7.2 and 131.1 ± 9.6 μMTE/g DW with correlation coefficients of 0.9918 and 0.9925, and by β-carotene linoleate assay at 80.1 ± 6.6 % with correlation coefficient of 0.9909, respectively. The water extracts of berries exhibited high binding properties with human serum albumin in comparison with quercetin. In conclusion, the bioactive compounds from a relatively new source of gooseberries in comparison with blueberries and cranberries have the potential as food supplementation for human health. The antioxidant and binding activities of berries depend on their bioactive compounds.
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Affiliation(s)
- Jacek Namiesnik
- Department of Analytical Chemistry, Chemical Faculty, Gdańsk University of Technology, 80952, Gdańsk, Poland,
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Pal S, Saha C. A review on structure–affinity relationship of dietary flavonoids with serum albumins. J Biomol Struct Dyn 2013; 32:1132-47. [DOI: 10.1080/07391102.2013.811700] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Binding of serum albumins with bioactive substances – Nanoparticles to drugs. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY C-PHOTOCHEMISTRY REVIEWS 2013. [DOI: 10.1016/j.jphotochemrev.2012.09.001] [Citation(s) in RCA: 160] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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Abstract
Apigenin (4',5,7-trihydroxyflavone, 5,7-dihydroxy-2-(4-hydroxyphenyl)-4H-1-benzopyran-4-one) is a flavonoid found in many fruits, vegetables, and herbs, the most abundant sources being the leafy herb parsley and dried flowers of chamomile. Present in dietary sources as a glycoside, it is cleaved in the gastrointestinal lumen to be absorbed and distributed as apigenin itself. For this reason, the epithelium of the gastrointestinal tract is exposed to higher concentrations of apigenin than tissues at other locations. This would also be true for epithelial cancers of the gastrointestinal tract. We consider the evidence for actions of apigenin that might hinder the ability of gastrointestinal cancers to progress and spread. Apigenin has been shown to inhibit cell growth, sensitize cancer cells to elimination by apoptosis, and hinder the development of blood vessels to serve the growing tumor. It also has actions that alter the relationship of the cancer cells with their microenvironment. Apigenin is able to reduce cancer cell glucose uptake, inhibit remodeling of the extracellular matrix, inhibit cell adhesion molecules that participate in cancer progression, and oppose chemokine signaling pathways that direct the course of metastasis into other locations. As such, apigenin may provide some additional benefit beyond existing drugs in slowing the emergence of metastatic disease.
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Affiliation(s)
- Émilie C Lefort
- Department of Pathology, Dalhousie University, Halifax, Nova Scotia, Canada
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Liu G, Xu S, Chen L. Chemical composition and bioactivities of a water-soluble polysaccharide from the endodermis of shaddock. Int J Biol Macromol 2012; 51:763-6. [PMID: 22813932 DOI: 10.1016/j.ijbiomac.2012.07.012] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2012] [Revised: 07/07/2012] [Accepted: 07/10/2012] [Indexed: 11/18/2022]
Abstract
The chemical composition of shaddock (Citrus paradisi) mainly consisted of polyphenols, proteins and polysaccharides. However, polysaccharides from shaddock materials have received much less consideration than polyphenols. Herein, a water-soluble neutral polysaccharide from the endodermis of shaddock was isolated and showed good bioactivities. Crude polysaccharides from the endodermis of shaddock (EPS) was extracted with hot water and separated on a DEAE Sepharose FF gel filtration column to obtain NEPS. The IR and UV spectra of NEPS showed that NEPS was mainly composed of polysaccharide and there are no proteins existing in NEPS. The DPPH radical scavenging and reducing power of NEPS are much lower than those of crude EPS; however, Citrus flavonoids significantly improved the DPPH radical scavenging potential and reducing power of NEPS. The crude EPS (5mg/mL) showed a similar inhibitory effect (77.92±5.03%) with NEPS (5 mg/mL) (74.63±4.71%) on α-amylase.
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Affiliation(s)
- Guocong Liu
- Institute of Advanced Materials & Chembiosensing Technology, Yulin Normal University, Yulin, Guangxi, PR China.
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Mandery K, Balk B, Bujok K, Schmidt I, Fromm MF, Glaeser H. Inhibition of hepatic uptake transporters by flavonoids. Eur J Pharm Sci 2012; 46:79-85. [PMID: 22394605 DOI: 10.1016/j.ejps.2012.02.014] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2011] [Revised: 01/12/2012] [Accepted: 02/20/2012] [Indexed: 01/10/2023]
Abstract
Members of the human SLC superfamily such as organic anion transporting polypeptide 1B1 (OATP1B1), OATP1B3, and organic cation transporter 1 (OCT1) are drug uptake transporters that are localised on the basolateral membrane of hepatocytes mediating the uptake of drugs such as atorvastatin and metformin into hepatocytes. Ingredients of food such as flavonoids influence the effects of drugs, e.g. by inhibition of drug transporters. Therefore, we investigated the impact of the Ginkgo biloba flavonoids apigenin, kaempferol, and quercetin, and the grapefruit flavonoids naringenin, naringin, and rutin on the OATP1B1, OATP1B3, and OCT1 transport activity. Transporter expressing HEK293 cell lines were used with [3H]sulfobromophthalein ([3H]BSP) as substrate for OATP1B1 and OATP1B3, [3H]atorvastatin as substrate for OATP1B1, and [3H]1-methyl-4-phenylpyridinium ([3H]MPP(+)) as substrate for OCT1. The G. biloba flavonoids showed a competitive inhibition of the OATP1B1- and OATP1B3-mediated [3H]BSP and the OATP1B1-mediated [3H]atorvastatin uptake. Quercetin was the most potent inhibitor of the OATP1B1- and OATP1B3-mediated [3H]BSP transport with K(i)-values of 8.8±0.8μM and 7.8±1.7μM, respectively. For the inhibition of the OATP1B1-mediated [3H]atorvastatin transport, apigenin was the most potent inhibitor with a K(i) value of 0.6±0.2μM. Among the grapefruit flavonoids, naringenin was the most potent inhibitor of the OATP1B1- and OATP1B3-mediated [3H]BSP transport with IC(50)-values of 81.6±1.1μM and 101.1±1.1μM, respectively. All investigated flavonoids showed no significant inhibition of the OCT1-mediated [3H]MPP(+) uptake. Taken together, these in vitro studies showed that the investigated flavonoids inhibit the OATP1B1- and OATP1B3-mediated drug transport, which could be a mechanism for food-drug interactions in humans.
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Affiliation(s)
- Kathrin Mandery
- Institute of Experimental and Clinical Pharmacology and Toxicology, Friedrich-Alexander-Universität Erlangen-Nürnberg, Fahrstraße 17, 91054 Erlangen, Germany
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Sun HH, Zhang J, Zhang YZ, Yang LY, Yuan LL, Liu Y. Interaction of human serum albumin with 10-hydroxycamptothecin: spectroscopic and molecular modeling studies. Mol Biol Rep 2011; 39:5115-23. [DOI: 10.1007/s11033-011-1307-z] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2011] [Accepted: 11/30/2011] [Indexed: 01/18/2023]
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