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Mukai R, Okuyama H, Uchimura M, Sakao K, Matsuhiro M, Ikeda-Imafuku M, Ishima Y, Nishikawa M, Ikushiro S, Tai A. The binding selectivity of quercetin and its structure-related polyphenols to human serum albumin using a fluorescent dye cocktail for multiplex drug-site mapping. Bioorg Chem 2024; 145:107184. [PMID: 38364549 DOI: 10.1016/j.bioorg.2024.107184] [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: 12/18/2023] [Revised: 01/25/2024] [Accepted: 02/04/2024] [Indexed: 02/18/2024]
Abstract
Human serum albumin (HSA) is a serum protein that carries flavonoids in blood circulation. In this report, the binding selectivity and strength of interactions to HSA-binding sites (sites I or II) by flavonoids were evaluated using competition experiments and the specific fluorescent dyes, dansylamide and BD140. Most tested flavonoids bound site I preferentially, with the binding strength dependent on the mother structure in the order flavonol > flavone > flavanone > flavan 3-ols. Glycosylation or glucuronidation reduced the binding of quercetin to site I of HSA, whereas sulfation increased binding. Quercetin 7-sulfate showed the strongest binding and molecular docking simulations supported this observation. Prenylation at any position or glucuronidation and sulfation at the C-4' or C-7 position of quercetin facilitated stronger binding to site II. The binding affinity of flavonoids toward site I correlated with the partition coefficient value (logP), whereas no corresponding correlation was observed for site II.
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Affiliation(s)
- Rie Mukai
- Department of Food Science, Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1, Minamijosan-jima, Tokushima 770-8513, Japan.
| | - Hitomi Okuyama
- Department of Food Science, Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1, Minamijosan-jima, Tokushima 770-8513, Japan
| | - Miku Uchimura
- Department of Food Science and Technology, Graduate School of Agriculture, Kagoshima University, 1-21-24, Korimoto, Kagoshima 890-0065, Japan.
| | - Kozue Sakao
- Department of Food Science and Technology, Graduate School of Agriculture, Kagoshima University, 1-21-24, Korimoto, Kagoshima 890-0065, Japan.
| | - Miyu Matsuhiro
- Department of Food Science, Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1, Minamijosan-jima, Tokushima 770-8513, Japan.
| | - Mayumi Ikeda-Imafuku
- Department of Physical Pharmaceutics, School of Pharmaceutical Sciences, Wakayama Medical University, 25-1 Shichiban-cho, Wakayama 640-8156, Japan.
| | - Yu Ishima
- Laboratory of Biopharmaceutics, Kyoto Pharmaceutical University, 5 Nakauchi-cho, Misasagi, Yamashina-ku, Kyoto 607-8414, Japan.
| | - Miyu Nishikawa
- Department of Biotechnology, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan.
| | - Shinichi Ikushiro
- Department of Biotechnology, Faculty of Engineering, Toyama Prefectural University, 5180 Kurokawa, Imizu, Toyama 939-0398, Japan.
| | - Akihiro Tai
- Department of Food Science, Graduate School of Technology, Industrial and Social Sciences, Tokushima University, 2-1, Minamijosan-jima, Tokushima 770-8513, Japan.
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2
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Mukai R, Hata N. Tissue distribution and pharmacokinetics of isoxanthohumol from hops in rodents. Food Sci Nutr 2024; 12:2210-2219. [PMID: 38455172 PMCID: PMC10916623 DOI: 10.1002/fsn3.3900] [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: 04/25/2023] [Revised: 11/03/2023] [Accepted: 12/04/2023] [Indexed: 03/09/2024] Open
Abstract
Vegetables and fruits contain prenylflavonoids with biological functions that might improve human health. The prenylflavonoid isoxanthohumol (IXA) and its derivative, 8-prenylnaringenin (8-PN), have beneficial activities, including anti-cancer effects and suppression of insulin resistance. However, their pharmacokinetic profile is unclear. Previous studies suggested flavonoids have low systemic availability and are excreted via the feces. Therefore, this study investigated the tissue distribution dynamics of high-purity IXA (>90%) from hops administered orally, either singly (50 mg/kg body weight [BW]) or daily for 14 days (30 mg/kg BW), to mice. High-pressure liquid chromatography demonstrated that IXA was absorbed rapidly after a single administration and reached plasma maximum concentration (C max) (3.95 ± 0.81 μmol/L) by 0.5 h. IXA was present at high levels in the liver compared with the kidney, pancreas, lung, skeletal muscle, spleen, thymus, and heart. The highest IXA level after 14 days of IXA ingestion was observed in the liver, followed by the kidney, thymus, spleen, lung, and brain. There was no significant difference in IXA accumulation in tissues between the single and multiple dose groups. Analyses of the livers of rats treated with different concentrations of IXA (112.5-1500 mg/kg BW) once a day for 28 days demonstrated that IXA accumulated dose-dependently with a correlation coefficient of .813. The accumulation of 8-PN was dependent on the intake period but not the intake amount of IXA (correlation coefficient -.255). In summary, IXA and 8-PN were detected in tissues and organs up to 24 h after ingestion, suggesting that orally ingested IXA might have health benefits as a nutraceutical.
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Affiliation(s)
- Rie Mukai
- Department of Food Science, Graduate School of Technology, Industrial and Social SciencesTokushima UniversityTokushimaJapan
| | - Natsumi Hata
- Department of Food Science, Graduate School of Technology, Industrial and Social SciencesTokushima UniversityTokushimaJapan
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3
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Peng X, Shen LA, Bao Y, Liu C, Chen Q, Zhang H, Li J, Zhang Q. Design, synthesis, and biological evaluation of novel 8-substituted quercetin derivatives targeting the β‑catenin/B-cell lymphoma 9 interaction. Bioorg Med Chem Lett 2024; 98:129591. [PMID: 38097141 DOI: 10.1016/j.bmcl.2023.129591] [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: 11/10/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/18/2023]
Abstract
The β-catenin/B-cell lymphoma 9 (BCL9) protein-protein interaction (PPI) is a potential target for aberrantly active Wnt/β-catenin signaling which actively participates in initiating and progressing of many cancers. Herein, we discovered novel 8-substituted quercetin derivatives with potential inhibitory activities targeting β-catenin/BCL9 PPI. Among all the derivatives, compound B4 displayed the most promising PPI inhibitory activity with an IC50 value of 2.25 μM in a competitive fluorescence polarization assay and a KD value of 1.44 μM for the β-catenin protein. Furthermore, B4 selectively inhibited the growth of colorectal cancer (CRC) cells, suppressed the transactivation of Wnt signaling, and downregulated the expression of oncogenic Wnt target gene. Especially, B4 showed potent anti-CRC activity in vivo with the tumor growth inhibition (TGI) of 75.99 % and regulated the tumor immune microenvironment.
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Affiliation(s)
- Xinyan Peng
- Shanghai East Hospital, School of Medicine, Tongji University, Shanghai 200123, China; Shanghai Institute of Pharmaceutical Industry Co., Ltd, China State Institute of Pharmaceutical Industry, Shanghai 201203, China
| | - Li-An Shen
- School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Ya Bao
- Shanghai Institute of Pharmaceutical Industry Co., Ltd, China State Institute of Pharmaceutical Industry, Shanghai 201203, China
| | - Chenglong Liu
- School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Qiushi Chen
- Shanghai Institute of Pharmaceutical Industry Co., Ltd, China State Institute of Pharmaceutical Industry, Shanghai 201203, China
| | - Hao Zhang
- Shanghai Institute of Pharmaceutical Industry Co., Ltd, China State Institute of Pharmaceutical Industry, Shanghai 201203, China; School of Pharmacy, Fudan University, Shanghai 201203, China
| | - Jiayi Li
- Shanghai Institute of Pharmaceutical Industry Co., Ltd, China State Institute of Pharmaceutical Industry, Shanghai 201203, China; School of Chemistry and Chemical Engineering, Shanghai University of Engineering Science, Shanghai 201620, China
| | - Qingwei Zhang
- Shanghai Institute of Pharmaceutical Industry Co., Ltd, China State Institute of Pharmaceutical Industry, Shanghai 201203, China; National Key Laboratory of Lead Druggability Research, Shanghai Institute of Pharmaceutical Industry Co. Ltd. Shanghai 201203, China.
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4
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Liu X, Xu X, Li J, Shi L, Zeng Y, Tang S, Liu W, Jia L, Li Y, Zhang J. Isobavachalcone inhibits RANKL-induced osteoclastogenesis via miR-193-3p/NF-κB/NFATc1 signaling pathway in BMMs cells. Biosci Biotechnol Biochem 2023; 87:960-971. [PMID: 37291698 DOI: 10.1093/bbb/zbad075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2023] [Accepted: 05/27/2023] [Indexed: 06/10/2023]
Abstract
Inhibition of extensive osteoclastogenesis and bone resorption is considered a potential therapeutic target for the treatment of osteoporosis. Isobavachalcone (IBC) is derived from the traditional Chinese herb Psoralea corylifolia Linn. We showed that IBC dose-dependently suppressed receptor activator of nuclear factor kappa B ligand (RANKL)-induced osteoclastogenesis in bone marrow monocyte/macrophage (BMMs) and osteoclastic bone-resorption function without cytotoxicity at a dose of no more than 8 µmin vitro. Mechanistically, the results of western blot and quantitative real-time polymerase chain reaction (qRT-PCR) indicated that IBC inhibited the RANKL-induced degradation of IκBα and phosphorylation of nuclear factor kappa B (NF-κB) in BMMs, and subsequently downregulated the expression of osteoclastic-specific genes and osteoclastogenesis-related proteins. TRAP staining and qRT-PCR showed that IBC can inhibit osteoclast differentiation by down-regulating the expression of miR-193-3p on osteoclast differentiation. Overall, our findings suggest that IBC may serve as a promising compound for the treatment of osteoporosis and other metabolic bone diseases.
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Affiliation(s)
- Xin Liu
- Department of Pharmachemistry, Xiangya School of Pharmaceutical Sciences, Central South University, Chang Sha, Hunan, China
| | - Xiaosa Xu
- Department of Pharmachemistry, Xiangya School of Pharmaceutical Sciences, Central South University, Chang Sha, Hunan, China
| | - Jinping Li
- Department of Pharmachemistry, Xiangya School of Pharmaceutical Sciences, Central South University, Chang Sha, Hunan, China
- Hunan Key Laboratory of Diagnostic and Therapeutic Drug Research for Chronic Diseases, Central South University, Chang Sha, Hunan, China
| | - Liying Shi
- Department of Pharmachemistry, Xiangya School of Pharmaceutical Sciences, Central South University, Chang Sha, Hunan, China
| | - Ying Zeng
- Department of Cardiovascular Medicine, The First Hospital of Hunan University of Traditional Chinese Medicine, Chang Sha, Hunan, China
| | - Siyuan Tang
- Department of Community Nursing, Central South University, Changsha, Hunan, China
| | - Wei Liu
- Department of Community Nursing, Central South University, Changsha, Hunan, China
| | - Lujuan Jia
- Department of Pharmachemistry, Xiangya School of Pharmaceutical Sciences, Central South University, Chang Sha, Hunan, China
| | - Yuhong Li
- Department of Pharmachemistry, Xiangya School of Pharmaceutical Sciences, Central South University, Chang Sha, Hunan, China
| | - Jie Zhang
- Pharmacy Department, The Third Xiangya Hospital of Central South University, Changsha, Hunan, China
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5
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Chen J, Liao X, Gan J. Review on the protective activity of osthole against the pathogenesis of osteoporosis. Front Pharmacol 2023; 14:1236893. [PMID: 37680712 PMCID: PMC10481961 DOI: 10.3389/fphar.2023.1236893] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 08/14/2023] [Indexed: 09/09/2023] Open
Abstract
Osteoporosis (OP), characterized by continuous bone loss and increased fracture risk, has posed a challenge to patients and society. Long-term administration of current pharmacological agents may cause severe side effects. Traditional medicines, acting as alternative agents, show promise in treating OP. Osthole, a natural coumarin derivative separated from Cnidium monnieri (L.) Cusson and Angelica pubescens Maxim. f., exhibits protective effects against the pathological development of OP. Osthole increases osteoblast-related bone formation and decreases osteoclast-related bone resorption, suppressing OP-related fragility fracture. In addition, the metabolites of osthole may exhibit pharmacological effectiveness against OP development. Mechanically, osthole promotes osteogenic differentiation by activating the Wnt/β-catenin and BMP-2/Smad1/5/8 signaling pathways and suppresses RANKL-induced osteoclastogenesis and osteoclast activity. Thus, osthole may become a promising agent to protect against OP development. However, more studies should be performed due to, at least in part, the uncertainty of drug targets. Further pharmacological investigation of osthole in OP treatment might lead to the development of potential drug candidates.
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Affiliation(s)
- Jincai Chen
- Department of Orthopedics, First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Xiaofei Liao
- Department of Pharmacy, Ganzhou People’s Hospital, Ganzhou, China
| | - Juwen Gan
- Department of Pulmonary and Critical Care Medicine, Ganzhou People’s Hospital, Ganzhou, China
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6
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Zhou T, Jiang Y, Zeng B, Yang B. The cancer preventive activity and mechanisms of prenylated resveratrol and derivatives. Curr Res Toxicol 2023; 5:100113. [PMID: 37519844 PMCID: PMC10382290 DOI: 10.1016/j.crtox.2023.100113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Revised: 07/03/2023] [Accepted: 07/11/2023] [Indexed: 08/01/2023] Open
Abstract
Resveratrol is regarded as neutraceuticals with multiple health benefits. The introduction of prenyl can enhance the bioactivity. In this work, the cancer preventive activities and mechanisms of 18 prenylated reseveratrol and derivatives were investigated. The results showed that prenyl increased the antiproliferative activities of resveratrol, oxyresveratrol and piceatannol against cancer cells, and their antiproliferative activities were time- and dose-dependent. 4-C-prenylation was important for the antiproliferative activity of stilbenoids. The 4-C-prenyl stilbenoids showed better antiproliferative activities than other prenylated stilbenoids. 4-C-prenyl piceatannol showed the best antiproliferative activity. Human hepatoellular carcinomas (HepG2) cell was more sensitive to prenylated stilbenoids than human MCF-7 breast carcinoma cell. 4-C-prenyl piceatannol had high affinities to Caspase-3, Caspase-9, CDK2 and Cyclin A2. The possible amino acids involved in binding 4-C-prenyl piceatannol were revealed. The expression of Caspase-3 and Caspase-9 were upregulated by 4-C-prenyl piceatannol and the expression of CDK2 and Cyclin A2 in HepG2 cells were downregulated, which contributed to apoptosis. The above results eludicated the possible antiproliferative mechanisms of prenylated stilbenoids.
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Affiliation(s)
- Ting Zhou
- State Key Laboratory of Plant Diversity and Prominent Crops, Guangdong Provincial Key Laboratory of Applied Botany, Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
- South China National Botanical Garden, Guangzhou 510650, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Yueming Jiang
- State Key Laboratory of Plant Diversity and Prominent Crops, Guangdong Provincial Key Laboratory of Applied Botany, Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
- South China National Botanical Garden, Guangzhou 510650, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Bin Zeng
- China Astronaut Research and Training Center, Beijing 100094, China
| | - Bao Yang
- State Key Laboratory of Plant Diversity and Prominent Crops, Guangdong Provincial Key Laboratory of Applied Botany, Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou 510650, China
- South China National Botanical Garden, Guangzhou 510650, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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7
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Zhang J, Zhao Q, Qin Y, Si W, Zhang H, Zhang J. The Effect of Epimedium Isopentenyl Flavonoids on the Broiler Gut Health Using Microbiomic and Metabolomic Analyses. Int J Mol Sci 2023; 24:ijms24087646. [PMID: 37108810 PMCID: PMC10141048 DOI: 10.3390/ijms24087646] [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: 02/26/2023] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 04/29/2023] Open
Abstract
Epimedium (EM), also known as barrenwort, is a traditional medicinal plant rich in isopentenyl flavonols, which have beneficial biological activities and can improve human and animal health, but its mechanism is still unclear. In this study, ultra-high-performance liquid chromatography/quadrupole-time-of-flight-mass spectrometry (UHPLC-Q-TOF/MS) and ultra-high-performance liquid chromatography triple-quadrupole mass spectrometry (UHPLC-QqQ-MS/MS) were used to analyse the main components of EM, and isopentenyl flavonols such as Epimedin A, B, and C as well as Icariin were the major components of EM. Meanwhile, broilers were selected as model animals to illuminate the mechanism of Epimedium isopentenyl flavonols (EMIE) on gut health. The results showed that supplementation with 200 mg/kg EM improved the immune response, increased cecum short-chain fatty acids (SCFAs) and lactate concentrations, and improved nutrient digestibility in broilers. In addition, 16S rRNA sequencing showed that EMIE altered the composition of cecal microbiome, increasing the relative abundance of beneficial bacteria (Candidatus Soleaferrea and Lachbospiraceae NC2004 group and Butyricioccus) and reducing that of harmful bacteria (UBA1819, Negativibacillus, and Eisenbergiella). Metabolomic analysis identified 48 differential metabolites, of which Erosnin and Tyrosyl-Tryptophan were identified as core biomarkers. Erosnin and tyrosyl-tryptophan are potential biomarkers to evaluate the effects of EMIE. This shows that EMIE may regulate the cecum microbiota through Butyricicoccus, with changes in the relative abundance of the genera Eisenbergiella and Un. Peptostreptococcaceae affecting the serum metabolite levels of the host. EMIE is an excellent health product, and dietary isopentenyl flavonols, as bioactive components, can improve health by altering the microbiota structure and the plasma metabolite profiles. This study provides the scientific basis for the future application of EM in diets.
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Affiliation(s)
- Jiaqi Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Qingyu Zhao
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yuchang Qin
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Wei Si
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Huiyan Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Junmin Zhang
- State Key Laboratory of Animal Nutrition, Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
- Scientific Observing and Experiment Station of Animal Genetic Resources and Nutrition in North China of Ministry of Agriculture and Rural Affairs, Institute of Animal Sciences of Chinese Academy of Agricultural Sciences, Beijing 100193, China
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8
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Tronina T, Bartmańska A, Popłoński J, Rychlicka M, Sordon S, Filip-Psurska B, Milczarek M, Wietrzyk J, Huszcza E. Prenylated Flavonoids with Selective Toxicity against Human Cancers. Int J Mol Sci 2023; 24:ijms24087408. [PMID: 37108571 PMCID: PMC10138577 DOI: 10.3390/ijms24087408] [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: 03/16/2023] [Revised: 04/11/2023] [Accepted: 04/15/2023] [Indexed: 04/29/2023] Open
Abstract
The antiproliferative activity of xanthohumol (1), a major prenylated chalcone naturally occurring in hops, and its aurone type derivative (Z)-6,4'-dihydroxy-4-methoxy-7-prenylaurone (2) were investigated. Both flavonoids, as well as cisplatin as a reference anticancer drug, were tested in vivo against ten human cancer cell lines (breast cancer (MCF-7, SK-BR-3, T47D), colon cancer (HT-29, LoVo, LoVo/Dx), prostate cancer (PC-3, Du145), lung cancer (A549) and leukemia (MV-4-11) and two normal cell lines (human lung microvascular endothelial (HLMEC)) and murine embryonic fibroblasts (BALB/3T3). Chalcone 1 and aurone 2 demonstrated potent to moderate anticancer activity against nine tested cancer cell lines (including drug-resistant ones). The antiproliferative activity of all the tested compounds against cancer and the normal cell lines was compared to determine their selectivity of action. Prenylated flavonoids, especially the semisynthetic derivative of xanthohumol (1), aurone 2, were found as selective antiproliferative agents in most of the used cancer cell lines, whereas the reference drug, cisplatin, acted non-selectively. Our findings suggest that the tested flavonoids can be considered strong potential candidates for further studies in the search for effective anticancer drugs.
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Affiliation(s)
- Tomasz Tronina
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, C.K. Norwida 25, 50-375 Wrocław, Poland
| | - Agnieszka Bartmańska
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, C.K. Norwida 25, 50-375 Wrocław, Poland
| | - Jarosław Popłoński
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, C.K. Norwida 25, 50-375 Wrocław, Poland
| | - Magdalena Rychlicka
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, C.K. Norwida 25, 50-375 Wrocław, Poland
| | - Sandra Sordon
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, C.K. Norwida 25, 50-375 Wrocław, Poland
| | - Beata Filip-Psurska
- Department of Experimental Oncology, Hirszfeld Institute of Immunology and Experimental Therapy, Weigla 12, 53-114 Wroclaw, Poland
| | - Magdalena Milczarek
- Department of Experimental Oncology, Hirszfeld Institute of Immunology and Experimental Therapy, Weigla 12, 53-114 Wroclaw, Poland
| | - Joanna Wietrzyk
- Department of Experimental Oncology, Hirszfeld Institute of Immunology and Experimental Therapy, Weigla 12, 53-114 Wroclaw, Poland
| | - Ewa Huszcza
- Department of Food Chemistry and Biocatalysis, Wrocław University of Environmental and Life Sciences, C.K. Norwida 25, 50-375 Wrocław, Poland
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9
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Morimoto R, Matsubara C, Hanada A, Omoe Y, Ogata T, Isegawa Y. Effect of Structural Differences in Naringenin, Prenylated Naringenin, and Their Derivatives on the Anti-Influenza Virus Activity and Cellular Uptake of Their Flavanones. Pharmaceuticals (Basel) 2022; 15:ph15121480. [PMID: 36558931 PMCID: PMC9785311 DOI: 10.3390/ph15121480] [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: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/29/2022] Open
Abstract
Vaccines and antiviral drugs are widely used to treat influenza infection. However, they cannot rapidly respond to drug-resistant viruses. Therefore, new anti-influenza virus strategies are required. Naringenin is a flavonoid with potential for new antiviral strategies. In this study, we evaluated the antiviral effects of naringenin derivatives and examined the relationship between their cellular uptake and antiviral effects. Madin-Darby canine kidney (MDCK) cells were infected with the A/PR/8/34 strain and exposed to the compound-containing medium for 24 h. The amount of virus in the supernatant was calculated using focus-forming reduction assay. Antiviral activity was evaluated using IC50 and CC50 values. Cells were exposed to a constant concentration of naringenin or prenylated naringenin, and intracellular uptake and distribution were evaluated using a fluorescence microscope. Prenylated naringenin showed strong anti-influenza virus effects, and the amount of intracellular uptake was revealed by the strong intracellular fluorescence. In addition, intracellular distribution differed depending on the position of the prenyl group. The steric factor of naringenin is deeply involved in influenza A virus activity, and prenyl groups are desirable. Furthermore, the prenyl group affects cellular affinity, and the uptake mechanism differs depending on its position. These results provide important information on antiviral strategies.
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Affiliation(s)
- Ryosuke Morimoto
- Department of Food Sciences and Nutrition, Mukogawa Women’s University, Nishinomiya 663-8558, Hyogo, Japan
| | - Chiaki Matsubara
- Department of Food Sciences and Nutrition, Mukogawa Women’s University, Nishinomiya 663-8558, Hyogo, Japan
| | - Akari Hanada
- Department of Food Sciences and Nutrition, Mukogawa Women’s University, Nishinomiya 663-8558, Hyogo, Japan
| | - Yuta Omoe
- Faculty of Pharmaceutical Sciences, Hokuriku University, Kanazawa, 920-1181, Ishikawa, Japan
| | - Tokutaro Ogata
- Faculty of Pharmaceutical Sciences, Hokuriku University, Kanazawa, 920-1181, Ishikawa, Japan
| | - Yuji Isegawa
- Department of Food Sciences and Nutrition, Mukogawa Women’s University, Nishinomiya 663-8558, Hyogo, Japan
- Correspondence:
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10
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Tanaka Y, Okuyama H, Nishikawa M, Ikushiro SI, Ikeda M, Ishima Y, Ukawa Y, Oe K, Terao J, Mukai R. 8-Prenylnaringenin tissue distribution and pharmacokinetics in mice and its binding to human serum albumin and cellular uptake in human embryonic kidney cells. Food Sci Nutr 2022; 10:1070-1080. [PMID: 35432956 PMCID: PMC9007292 DOI: 10.1002/fsn3.2733] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2021] [Revised: 12/27/2021] [Accepted: 01/02/2022] [Indexed: 12/17/2022] Open
Abstract
8-Prenylnaringenin (8-PN), a hop flavonoid, is a promising food substance with health benefits. Compared with nonprenylated naringenin, 8-PN exhibits stronger estrogenic activity and prevents muscle atrophy. Moreover, 8-PN prevents hot flushes and bone loss. Considering that prenylation reportedly improves the bioavailability of flavonoids, we compared the parameters related to the bioavailability [pharmacokinetics and tissue distribution in C57/BL6 mice, binding affinity to human serum albumin (HSA), and cellular uptake in HEK293 cells] of 8-PN and its mother (non-prenylated) compound naringenin. C57/BL6 mice were fed an 8-PN or naringenin mixed diet for 22 days. The amount of 8-PN (nmol/g tissue) in the kidneys (16.8 ± 9.20), liver (14.8 ± 2.58), muscles (3.33 ± 0.60), lungs (2.07 ± 0.68), pancreas (1.80 ± 0.38), heart (1.71 ± 0.27), spleen (1.36 ± 0.29), and brain (0.31 ± 0.09) was higher than that of naringenin. A pharmacokinetic study in mice demonstrated that the C max of 8-PN (50 mg/kg body weight) was lower than that of naringenin; however, the plasma concentration of 8-PN 8 h after ingestion was higher than that of naringenin. The binding affinity of 8-PN to HSA and cellular uptake in HEK293 cells were higher than those of naringenin. 8-PN bioavailability features assessed in mouse or human model experiments were obviously different from those of naringenin.
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Affiliation(s)
- Yoshiaki Tanaka
- Department of Food Science Graduate School of Biomedical Sciences Tokushima University Tokushima Japan
| | - Hitomi Okuyama
- Department of Food Science Graduate School of Technology, Industrial and Social Sciences Tokushima University Tokushima Japan
| | - Miyu Nishikawa
- Department of Biotechnology Faculty of Engineering Toyama Prefectural University Toyama Japan
| | - Shin-Ichi Ikushiro
- Department of Biotechnology Faculty of Engineering Toyama Prefectural University Toyama Japan
| | - Mayumi Ikeda
- Department of Pharmacokinetics and Biopharmaceutics Institute of Biomedical Sciences Tokushima University Tokushima Japan
| | - Yu Ishima
- Department of Pharmacokinetics and Biopharmaceutics Institute of Biomedical Sciences Tokushima University Tokushima Japan
| | - Yuichi Ukawa
- Healthcare SBU Business Strategy Business Planning Daicel Corporation Tokyo Japan
| | - Kenichi Oe
- Healthcare SBU Business Strategy, R&D Daicel Corporation Niigata Japan
| | - Junji Terao
- Faculty of Clinical Nutrition and Dietetics Konan Women's University Hyogo Japan
| | - Rie Mukai
- Department of Food Science Graduate School of Biomedical Sciences Tokushima University Tokushima Japan.,Department of Food Science Graduate School of Technology, Industrial and Social Sciences Tokushima University Tokushima Japan
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11
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Zhang Y, Abe C, Ochiai K, Matsui T. Tissue Distribution of Orally Administered Prenylated Isoflavones, Glyceollins, in Sprague-Dawley Rats. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:15165-15174. [PMID: 34875172 DOI: 10.1021/acs.jafc.1c05208] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Apart from the physiological effects of glyceollins, information regarding their tissue distribution is scarce in the literature. Thus, the aim of this study is to clarify the distribution of glyceollins in rat organs. Glyceollins I and III were orally administered to Sprague-Dawley rats (1.0 mg/kg) with daidzein as control, and their accumulations in organs were investigated by liquid chromatography-time-of-flight/mass spectrometry (LC-TOF/MS). Glyceollins accumulated in intact and conjugated forms in circulatory organs with a Tmax of 0.5 h, in the following order of descending preference: liver, kidney, heart, lung, soleus muscle, and abdominal aorta. The accumulation of hydrophobic glyceollin I was more than 1.5 times higher than that of III. In contrast, daidzein and hydroxy equol were detected only in the liver and kidneys at lower concentrations (1/100 times) than those of glyceollins. In conclusion, prenylated isoflavones, glyceollins, were preferentially distributed in circulatory organs as intact, sulfated, or glucuronidated forms up to 6 h after the intake.
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Affiliation(s)
- Ye Zhang
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Chizumi Abe
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
| | - Koji Ochiai
- DAIZ Inc., 3-14-3 Minami-kumamoto, Chuo-ku, Kumamoto 860-0812, Japan
| | - Toshiro Matsui
- Department of Bioscience and Biotechnology, Faculty of Agriculture, Graduate School of Kyushu University, 744 Motooka, Nishi-ku, Fukuoka 819-0395, Japan
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12
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Transit and Metabolic Pathways of Quercetin in Tubular Cells: Involvement of Its Antioxidant Properties in the Kidney. Antioxidants (Basel) 2021; 10:antiox10060909. [PMID: 34205156 PMCID: PMC8228652 DOI: 10.3390/antiox10060909] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 05/31/2021] [Accepted: 06/01/2021] [Indexed: 12/25/2022] Open
Abstract
Quercetin is a flavonoid with antioxidant, antiviral, antimicrobial, and anti-inflammatory properties. Therefore, it has been postulated as a molecule with great therapeutic potential. The renoprotective capacity of quercetin against various toxins that produce oxidative stress, in both in vivo and in vitro models, has been shown. However, it is not clear whether quercetin itself or any of its metabolites are responsible for the protective effects on the kidney. Although the pharmacokinetics of quercetin have been widely studied and the complexity of its transit throughout the body is well known, the metabolic processes that occur in the kidney are less known. Because of that, the objective of this review was to delve into the molecular and cellular events triggered by quercetin and/or its metabolites in the tubular cells, which could explain some of the protective properties of this flavonoid against oxidative stress produced by toxin administration. Thus, the following are analyzed: (1) the transit of quercetin to the kidney; (2) the uptake mechanisms of quercetin and its metabolites from plasma to the tubular cells; (3) the metabolic processes triggered in those cells, which affect the accumulation of metabolites in the intracellular space; and (4) the efflux mechanisms of these compounds and their subsequent elimination through urine. Finally, it is discussed whether those processes that are mediated in the tubular cells and that give rise to different metabolites are related to the antioxidant and renoprotective properties observed after the administration of quercetin.
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13
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Prenylflavonoids from fruit of Macaranga tanarius promote glucose uptake via AMPK activation in L6 myotubes. J Nat Med 2021; 75:813-823. [PMID: 34014467 DOI: 10.1007/s11418-021-01517-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 04/12/2021] [Indexed: 10/21/2022]
Abstract
Skeletal muscle is a major tissue of glucose consumption and plays an important role in glucose homeostasis. Prenylflavonoids, a component of Macaranga tanarius fruits, have been reported to have antioxidant, antibacterial, and anticancer effects. However, the effects of these compounds on skeletal muscle glucose metabolism are unclear. Here, we isolated five prenylflavonoids from M. tanarius fruits, and investigated the mechanism of action of these compounds on skeletal muscle cells using L6 myotubes. We found that isonymphaeol B and 3'-geranyl naringenin increased glucose uptake in a dose-dependent manner. Furthermore, both isonymphaeol B and 3'-geranyl naringenin increased AMPK phosphorylation but did not affect PI3K-Akt phosphorylation. Isonymphaeol B and 3'-geranyl naringenin also increased Glut1 mRNA expression and plasma membrane GLUT1 protein levels. These results suggest that isonymphaeol B and 3'-geranyl naringenin have beneficial effects on glucose metabolism through AMPK and GLUT1 pathway. Isonymphaeol B and 3'-geranyl naringenin may be potential lead candidates for antidiabetic drug development.
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14
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Kondo-Kawai A, Sakai T, Terao J, Mukai R. Suppressive effects of quercetin on hydrogen peroxide-induced caveolin-1 phosphorylation in endothelial cells. J Clin Biochem Nutr 2021; 69:28-36. [PMID: 34376911 PMCID: PMC8325769 DOI: 10.3164/jcbn.20-190] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2020] [Accepted: 12/19/2020] [Indexed: 12/29/2022] Open
Abstract
Caveolin-1 is a major protein of the caveolae structure in vascular endothelial cell membrane. Phosphorylation of caveolin-1 is one of the initial events leading to exacerbation of vascular permeability caused by oxidative stress. Although quercetin is known to be an anti-atherosclerosis factor that acts as a dietary antioxidant, little is known about its role in the regulation of caveolin-1 phosphorylation. In this study, we investigated the inhibitory effect of quercetin on hydrogen peroxide-induced caveolin-1 phosphorylation in human umbilical vein endothelial cells. Quercetin inhibited caveolin-1 phosphorylation in cells pretreated with quercetin for 24 h and then exposed to hydrogen peroxide. However, quercetin 3-O-β-glucuronide, a conjugated metabolite of quercetin, did not exert this inhibitory effect. Exposure to hydrogen peroxide increased vascular permeability and reduced mRNA expression of the intercellular adhesion protein, vascular endothelial cadherin (VE-cadherin). By contrast, pretreatment with quercetin suppressed the increase in vascular permeability and decreased VE-cadherin expression. These results indicate that deconjugated quercetin can play a role in the prevention of altered vascular permeability under oxidative stress by suppressing caveolin-1 phosphorylation. Thus, dietary quercetin may be beneficial for the maintenance of endothelial cell function.
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Affiliation(s)
- Akari Kondo-Kawai
- Department of Food Science, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Tokushima 770-8513, Japan.,Department of Public Health and Applied Nutrition, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Tokushima 770-8503, Japan.,Laboratory of Nutritional Science, Shikoku Junior College, Tokushima, Tokushima 771-1192, Japan
| | - Tohru Sakai
- Department of Public Health and Applied Nutrition, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Tokushima 770-8503, Japan
| | - Junji Terao
- Department of Food Science, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Tokushima 770-8513, Japan.,Faculty of Clinical Nutrition and Dietetics, Konan Women's University, Kobe, Hyogo 658-0001, Japan
| | - Rie Mukai
- Department of Food Science, Graduate School of Biomedical Sciences, Tokushima University, Tokushima, Tokushima 770-8513, Japan.,Department of Food Science, Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima, Tokushima 770-8513, Japan
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15
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Yamaga M, Tani H, Nishikawa M, Fukaya K, Ikushiro SI, Murota K. Pharmacokinetics and metabolism of cinnamic acid derivatives and flavonoids after oral administration of Brazilian green propolis in humans. Food Funct 2021; 12:2520-2530. [PMID: 33688872 DOI: 10.1039/d0fo02541k] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Brazilian green propolis (BGP) has chemical compounds from botanical origin that are mainly cinnamic acid derivatives (artepillin C, baccharin, and drupanin) and flavonoids (kaempferide and 6-methoxykaempferide). These compounds are expected to play an important role in the pharmacological activities of BGP. However, there is little known about the pharmacokinetics and metabolism of these compounds after oral administration of BGP. The aim of this study is to investigate the pharmacokinetics and metabolism of BGP components in humans. Twelve volunteers received 3 capsules containing 360 mg of BGP ethanol extract powder. Plasma samples were collected before and up to 24 h after the intake of BGP capsules. The collected plasma samples with or without hydrolysis by the deconjugating enzyme were analyzed by LC/MS/MS. After enzymatic hydrolysis, the Cmax values of artepillin C and drupanin, which were detected mainly in plasma after ingestion of BGP capsules, were 1255 ± 517 and 2893 ± 711 nM, respectively, of which 89.3% and 88.2% were found to be the phenolic glucuronide conjugate. This is the first time that the pharmacokinetics of the BGP components of human metabolites have been reported. Our results could provide useful information for the design and interpretation of studies to investigate the mechanisms and pharmacological effects of BGP.
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Affiliation(s)
- Masayuki Yamaga
- Institute for Bee Products and Health Science, Yamada Bee Company Inc., 194 Ichiba, Kagamino-cho, Tamata-gun, Okayama 708-0393, Japan.
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16
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Wen L, Zhou T, Jiang Y, Chang SK, Yang B. Prenylated flavonoids in foods and their applications on cancer prevention. Crit Rev Food Sci Nutr 2021; 62:5067-5080. [PMID: 33543993 DOI: 10.1080/10408398.2021.1881437] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Functional foods play an important role in health care and chronic diseases prevention, particularly cancer. Prenylated flavonoids are presented in many food resources. They are recognized as neutraceuticals due to their diverse health benefits. Up to now, more than 1000 prenylated flavonoids have been identified in plants. Their food resources are reviewed in this paper. Due to the good safety and cancer prevention effect of prenylated flavonoids, this paper reviews the cancer prevention activities and mechanisms reported in last decade. The structure-activity relationship is discussed. Due to the limited availability in nature, the heterologously biosynthetic technique of prenylated flavonoids is discussed in this review. Inclusion of dietary prenylated flavonoids into human diet is highly desirable. This paper combines the up-to-date information and give a clear image regarding prenylated flavonoids as neutraceuticals.
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Affiliation(s)
- Lingrong Wen
- Department of Horticulture, Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Ting Zhou
- Department of Horticulture, Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China.,Department of Horticulture, University of Chinese Academy of Sciences, Beijing, China
| | - Yueming Jiang
- Department of Horticulture, Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China.,Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, China.,Department of Horticulture, University of Chinese Academy of Sciences, Beijing, China
| | - Sui Kiat Chang
- Department of Horticulture, Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China
| | - Bao Yang
- Department of Horticulture, Key Laboratory of South China Agricultural Plant Molecular Analysis and Genetic Improvement, Key Laboratory of Post-Harvest Handling of Fruits, Ministry of Agriculture, South China Botanical Garden, Chinese Academy of Sciences, Guangzhou, China.,Core Botanical Gardens, Chinese Academy of Sciences, Guangzhou, China.,Department of Horticulture, University of Chinese Academy of Sciences, Beijing, China
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17
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18
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Sharifi-Rad J, Kamiloglu S, Yeskaliyeva B, Beyatli A, Alfred MA, Salehi B, Calina D, Docea AO, Imran M, Anil Kumar NV, Romero-Román ME, Maroyi A, Martorell M. Pharmacological Activities of Psoralidin: A Comprehensive Review of the Molecular Mechanisms of Action. Front Pharmacol 2020; 11:571459. [PMID: 33192514 PMCID: PMC7643726 DOI: 10.3389/fphar.2020.571459] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Accepted: 09/28/2020] [Indexed: 12/29/2022] Open
Abstract
Analysis of the most relevant studies on the pharmacological properties and molecular mechanisms of psoralidin, a bioactive compound from the seeds of Cullen corylifolium (L.) Medik. confirmed its complex therapeutic potential. In the last years, the interest of the scientific community regarding psoralidin increased, especially after the discovery of its benefits in estrogen-related diseases and as a chemopreventive agent. Growing preclinical pieces of evidence indicate that psoralidin has anticancer, antiosteoporotic, anti-inflammatory, anti-vitiligo, antibacterial, antiviral, and antidepressant-like effects. Here, we provide a comprehensive and critical review of psoralidin on its bioavailability, pharmacological activities with focus on molecular mechanisms and cell signaling pathways. In this review, we conducted literature research on the PubMed database using the following keywords: “Psoralidin” or “therapeutic effects” or “biological activity” or “Cullen corylifolium” in order to identify relevant studies regarding PSO bioavailability and mechanisms of therapeutic effects in different diseases based on preclinical, experimental studies. In the light of psoralidin beneficial actions for human health, this paper gathers complete information on its pharmacotherapeutic effects and opens new natural therapeutic perspectives in chronic diseases.
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Affiliation(s)
- Javad Sharifi-Rad
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Senem Kamiloglu
- Science and Technology Application and Research Center (BITAUM), Bursa Uludag University, Bursa, Turkey
| | - Balakyz Yeskaliyeva
- Faculty of Chemistry and Chemical Technology, Al-Farabi Kazakh National University, Almaty, Kazakhstan
| | - Ahmet Beyatli
- Department of Medicinal and Aromatic Plants, University of Health Sciences, Istanbul, Turkey
| | - Mary Angelia Alfred
- Department of Chemistry, Manipal Institute of Technology, Manipal Academy of Higher Education, Manipal, India
| | - Bahare Salehi
- Medical Ethics and Law Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Anca Oana Docea
- Department of Toxicology, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Muhammad Imran
- Faculty of Allied Health Sciences, University Institute of Diet and Nutritional Sciences, The University of Lahore, Lahore, Pakistan
| | | | - Maria Eugenia Romero-Román
- Laboratorio de Análisis Químico, Departamento de Producción Vegetal, Facultad de Agronomía, Universidad de Concepción, Concepción, Chile
| | - Alfred Maroyi
- Department of Botany, University of Fort Hare, Alice, South Africa
| | - Miquel Martorell
- Department of Nutrition and Dietetics, Faculty of Pharmacy, Centre for Healthy Living, University of Concepción, Concepción, Chile.,Unidad de Desarrollo Tecnológico, UDT, Universidad de Concepción, Concepción, Chile
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19
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Lněničková K, Šadibolová M, Matoušková P, Szotáková B, Skálová L, Boušová I. The Modulation of Phase II Drug-Metabolizing Enzymes in Proliferating and Differentiated CaCo-2 Cells by Hop-Derived Prenylflavonoids. Nutrients 2020; 12:nu12072138. [PMID: 32708388 PMCID: PMC7400824 DOI: 10.3390/nu12072138] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 07/10/2020] [Accepted: 07/16/2020] [Indexed: 12/14/2022] Open
Abstract
Prenylflavonoids in the human organism exhibit various health-beneficial activities, although they may interfere with drugs via the modulation of the expression and/or activity of drug-metabolizing enzymes. As intestinal cells are exposed to the highest concentrations of prenylflavonoids, we decided to study the cytotoxicity and modulatory effects of the four main hop-derived prenylflavonoids on the activities and mRNA expression of the main drug-conjugating enzymes in human CaCo-2 cells. Proliferating CaCo-2 cells were used for these purposes as a model of colorectal cancer cells, and differentiated CaCo-2 cells were used as an enterocyte-like model. All the tested prenylflavonoids inhibited the CaCo-2 cells proliferation, with xanthohumol proving the most effective (IC50 8.5 µM). The prenylflavonoids modulated the activities and expressions of the studied enzymes to a greater extent in the differentiated, as opposed to the proliferating, CaCo-2 cells. In the differentiated cells, all the prenylflavonoids caused a marked increase in glutathione S-transferase and catechol-O-methyltransferase activities, while the activity of sulfotransferase was significantly inhibited. Moreover, the prenylflavonoids upregulated the mRNA expression of uridine diphosphate (UDP)-glucuronosyl transferase 1A6 and downregulated that of glutathione S-transferase 1A1/2.
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Affiliation(s)
- Kateřina Lněničková
- Faculty of Medicine and Dentistry, Palacký University, Hněvotínská 3, 77515 Olomouc, Czech Republic;
| | - Michaela Šadibolová
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 50005 Hradec Králové, Czech Republic; (M.Š.); (P.M.); (B.S.); (L.S.)
| | - Petra Matoušková
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 50005 Hradec Králové, Czech Republic; (M.Š.); (P.M.); (B.S.); (L.S.)
| | - Barbora Szotáková
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 50005 Hradec Králové, Czech Republic; (M.Š.); (P.M.); (B.S.); (L.S.)
| | - Lenka Skálová
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 50005 Hradec Králové, Czech Republic; (M.Š.); (P.M.); (B.S.); (L.S.)
| | - Iva Boušová
- Faculty of Pharmacy in Hradec Králové, Charles University, Heyrovského 1203, 50005 Hradec Králové, Czech Republic; (M.Š.); (P.M.); (B.S.); (L.S.)
- Correspondence: ; Tel.: +420-495-067-406
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20
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Polyphenols and their potential role in preventing skeletal muscle atrophy. Nutr Res 2020; 74:10-22. [DOI: 10.1016/j.nutres.2019.11.004] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2019] [Revised: 10/18/2019] [Accepted: 11/18/2019] [Indexed: 12/27/2022]
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21
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Han F, Xiao Y, Lee IS. Microbial Transformation of Prenylquercetins by Mucor hiemalis. Molecules 2020; 25:molecules25030528. [PMID: 31991807 PMCID: PMC7037548 DOI: 10.3390/molecules25030528] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Revised: 01/23/2020] [Accepted: 01/23/2020] [Indexed: 01/26/2023] Open
Abstract
Quercetin, one of the most widely distributed flavonoids, has been found to show various biological activities including antioxidant, anticancer, and anti-inflammatory effects. It has been reported that bioactivity enhancement of flavonoids has often been closely associated with nuclear prenylation, as shown in 8-prenylquercetin and 5'-prenylquercetin. It has also been revealed in many studies that the biological activities of flavonoids could be improved after glucosylation. Three prenylated quercetins were prepared in this study, and microbial transformation was carried out in order to identify derivatives of prenylquercetins with increased water solubility and improved bioavailability. The fungus M. hiemalis was proved to be capable of converting prenylquercetins into more polar metabolites and was selected for preparative fermentation. Six novel glucosylated metabolites were obtained and their chemical structures were elucidated by NMR and mass spectrometric analyses. All the microbial metabolites showed improvement in water solubility.
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22
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Knez Hrnčič M, Španinger E, Košir IJ, Knez Ž, Bren U. Hop Compounds: Extraction Techniques, Chemical Analyses, Antioxidative, Antimicrobial, and Anticarcinogenic Effects. Nutrients 2019; 11:E257. [PMID: 30678345 PMCID: PMC6412513 DOI: 10.3390/nu11020257] [Citation(s) in RCA: 77] [Impact Index Per Article: 15.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 01/10/2019] [Accepted: 01/18/2019] [Indexed: 12/11/2022] Open
Abstract
Hop plants comprise a variety of natural compounds greatly differing in their structure and properties. A wide range of methods have been developed for their isolation and chemical analysis, as well as for determining their antioxidative, antimicrobial, and antigenotoxic potentials. This contribution provides an overview of extraction and fractionation techniques of the most important hop compounds known for their health-promoting features. Although hops remain the principal ingredient for providing the taste, stability, and antimicrobial protection of beer, they have found applications in the pharmaceutical and other food industries as well. This review focuses on numerous health-promoting effects of hops raging from antioxidative, sedative, and anti-inflammatory potentials, over anticarcinogenic features to estrogenic activity. Therefore, hops should be exploited for the prevention and even healing of several prevalent diseases like cardiovascular disorders and various cancer types. New ideas for future studies on hops are finally presented: computational investigations of chemical reactivities of hop compounds, nanoencapsulation, and synergistic effects leading to a higher bioavailability of biologically active substances as well as the application of waste hop biomass from breweries for the production of high-added-value products in accordance with the biorefinery concept.
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Affiliation(s)
- Maša Knez Hrnčič
- Laboratory of Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, SI-2000 Maribor, Slovenia.
| | - Eva Španinger
- Laboratory of Physical Chemistry and Chemical Thermodynamics, Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, SI-2000 Maribor, Slovenia.
| | - Iztok Jože Košir
- Slovenian Institute of Hop Research and Brewing, Cesta Žalskega Tabora 2, SI-3310 Žalec, Slovenia.
| | - Željko Knez
- Laboratory of Separation Processes and Product Design, Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, SI-2000 Maribor, Slovenia.
| | - Urban Bren
- Laboratory of Physical Chemistry and Chemical Thermodynamics, Faculty of Chemistry and Chemical Engineering, University of Maribor, Smetanova ulica 17, SI-2000 Maribor, Slovenia.
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23
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Kim ES, Jang H, Chang SY, Baek SH, Bae ON, Kim H. Total Synthesis and Biological Evaluation of Sericetin for Protection against Cisplatin-Induced Acute Kidney Injury. JOURNAL OF NATURAL PRODUCTS 2018; 81:2647-2653. [PMID: 30540183 DOI: 10.1021/acs.jnatprod.8b00434] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
A concise synthesis of sericetin (1) was performed in four steps from readily available 3- O-benzylgalangin (4), featuring electrocyclization to produce the tricyclic core and a sequential aromatic Claisen/Cope rearrangement to incorporate the 8-prenyl group of 1. In addition, the therapeutic potential of sericetin (1), isosericetin (2), and three prenylated tetracyclic synthetic intermediates (11, 12, and 14) against cisplatin-induced nephrotoxicity using renal tubular cells were evaluated. Compound 14 showed therapeutic potential against cisplatin-induced kidney damage.
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Affiliation(s)
- Eun-Sun Kim
- College of Pharmacy and Institute of Pharmaceutical Science and Technology , Hanyang University , Ansan 15588 , Republic of Korea
| | - Hongjun Jang
- College of Pharmacy and Research Institute of Pharmaceutical Science and Technology (RIPST) , Ajou University , Suwon 16499 , Republic of Korea
| | - Sun-Young Chang
- College of Pharmacy and Research Institute of Pharmaceutical Science and Technology (RIPST) , Ajou University , Suwon 16499 , Republic of Korea
| | - Seung-Hoon Baek
- College of Pharmacy and Research Institute of Pharmaceutical Science and Technology (RIPST) , Ajou University , Suwon 16499 , Republic of Korea
| | - Ok-Nam Bae
- College of Pharmacy and Institute of Pharmaceutical Science and Technology , Hanyang University , Ansan 15588 , Republic of Korea
| | - Hyoungsu Kim
- College of Pharmacy and Research Institute of Pharmaceutical Science and Technology (RIPST) , Ajou University , Suwon 16499 , Republic of Korea
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24
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Lymphatic metabolites of quercetin after intestinal administration of quercetin-3-glucoside and its aglycone in rats. Arch Biochem Biophys 2018; 645:126-136. [DOI: 10.1016/j.abb.2018.03.024] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 03/03/2018] [Accepted: 03/21/2018] [Indexed: 12/15/2022]
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25
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Zhai Y, Wang Q, Li Y, Cui J, Feng K, Kong X, Xian CJ. The higher osteoprotective activity of psoralidin in vivo than coumestrol is attributed by its presence of an isopentenyl group and through activated PI3K/Akt axis. Biomed Pharmacother 2018; 102:1015-1024. [PMID: 29710518 DOI: 10.1016/j.biopha.2018.03.166] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Revised: 03/27/2018] [Accepted: 03/28/2018] [Indexed: 12/17/2022] Open
Abstract
Prenylation of bioactive natural compounds has been postulated to be able to enhance the utilization rate and affinity of the compounds with cell membranes, thus promote their bioactivities. Coumestrol, isolated from Medicago sativa, has been known as a phytoestrogen which has bone health benefits. In our previous work, psoralidin, a prenylated coumestrol, was proved to have a higher ability than coumestrol to promote bone formation and to attenuate resorption in vitro. However, it remains to be investigated whether psoralidin will have stronger bone health benefits than coumestrol. In the current study, psoralidin was isolated from Psoralea corylifolia L. and the osteotropic activities of coumestrol and psoralidin were compared in ovariectomized (OVX) rats. Both coumestrol and psoralidin were found to suppress OVX-induced bone loss in vivo, as shown by improved total bone mineral content (t-BMC) or density (t-BMD) and mineral apposition rate, bone biomechanical properties, microstructure and trabecular bone formation, enhanced osteogenic differentiation but suppressed adipogenic differentiation of bone marrow stromal cells (BMSCs), and activation of PI3K/Akt axis and downstream factors such as GSK3β/β-catenin and Nrf-2/HO-1. However, psoralidin was shown to have higher activities than coumestrol in the above measurements/indices. Our findings demonstrate that psoralidin, as a novel anti-osteoporosis candidate, could suppress bone loss in OVX rats and have better osteoprotective effects than coumestrol, which may be related to the presence of the isopentenyl group in psoralidin.
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Affiliation(s)
- Yuankun Zhai
- Luoyang Orthopedic Hospital of Henan Province, Luoyang, Henan, China; Orthopedic Institute of Henan Province, Luoyang, Henan, China
| | - Qingfeng Wang
- Orthopedic Institute of Henan Province, Luoyang, Henan, China
| | - Yingying Li
- Luoyang Orthopedic Hospital of Henan Province, Luoyang, Henan, China.
| | - Jiawei Cui
- Luoyang Orthopedic Hospital of Henan Province, Luoyang, Henan, China
| | - Kun Feng
- Orthopedic Institute of Henan Province, Luoyang, Henan, China
| | - Xijian Kong
- Luoyang Orthopedic Hospital of Henan Province, Luoyang, Henan, China
| | - Cory J Xian
- Sansom Institute for Health Research, School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA, 5001, Australia
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Mukai R. Prenylation enhances the biological activity of dietary flavonoids by altering their bioavailability. Biosci Biotechnol Biochem 2018; 82:207-215. [DOI: 10.1080/09168451.2017.1415750] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Abstract
Flavonoids are distributed across the plant kingdom and have attracted substantial attention owing to their potential benefits for human health. Several studies have demonstrated that flavonoids prenylation enhances various biological activities, suggesting an attractive tool for developing functional foods. This review provides an overview of the current knowledge on how prenylation influences the biological activity and bioavailability of flavonoids. The enhancement effect of prenylation on the biological activities of dietary flavonoids in mammals was demonstrated by comparing the effect of 8-prenyl naringenin (8PN) with that of parent naringenin in the prevention of disuse muscle atrophy in mice. This enhancement results from higher muscular accumulation of 8PN than naringenin. As to bioavailability, despite the lower absorption of 8-prenyl quercetin (8PQ) compared with quercetin, higher 8PQ accumulation was found in the liver and kidney. These data imply that prenylation interferes with the elimination of flavonoids from tissues.
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Affiliation(s)
- Rie Mukai
- Field of Food Science and Technology, Department of Food Science, Graduate School of Technology, Industrial and Social Sciences, Tokushima University, Tokushima, Japan
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27
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Fang Y, Cao W, Xia M, Pan S, Xu X. Study of Structure and Permeability Relationship of Flavonoids in Caco-2 Cells. Nutrients 2017; 9:nu9121301. [PMID: 29186068 PMCID: PMC5748751 DOI: 10.3390/nu9121301] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2017] [Revised: 11/22/2017] [Accepted: 11/24/2017] [Indexed: 01/23/2023] Open
Abstract
Flavonoids exhibit a broad range of biological activities. However, poor absorption of some flavonoids is a major limitation for use of flavonoids as nutraceuticals. To investigate the structure requirements for flavonoids intestinal absorption, transepithelial transport and cellular accumulation (CA) of 30 flavonoids were determined using the Caco-2 cell monolayer. The bilateral permeation of five types of flavonoids followed the order: flavanones ≥ isoflavones > flavones ≥ chalcones > flavonols. The concentration of flavonoids accumulated in cells did not correlate with cell penetration since the correlation coefficient between the apparent permeability coefficient (Papp) and their corresponding CA was poor (R2 < 0.3). Most flavonoids exhibited a ratio of 0.8–1.5 for Papp A to B/Papp B to A, suggesting passive diffusion pathways. However, luteolin, morin and taxifolin may involve the efflux mechanisms. The quantitative structure-permeability relationship (QSPR) study demonstrated that the intestinal absorption of flavonoids can be related to atomic charges on carbon 3′ (QC3′), molecule surface area (SlogP_V3), balance between the center of mass and position of hydrophobic region (vsurf_ID1) and solvation energy of flavonoids (E_sol). These results provide useful information for initially screening of flavonoids with high intestinal absorption.
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Affiliation(s)
- Yajing Fang
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China.
| | - Weiwei Cao
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China.
| | - Mengmeng Xia
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China.
| | - Siyi Pan
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China.
| | - Xiaoyun Xu
- Key Laboratory of Environment Correlative Dietology, Ministry of Education, Huazhong Agricultural University, Wuhan 430070, China.
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Sa BK, Kim C, Kim MB, Hwang JK. Panduratin A Prevents Tumor Necrosis Factor-Alpha-Induced Muscle Atrophy in L6 Rat Skeletal Muscle Cells. J Med Food 2017; 20:1047-1054. [DOI: 10.1089/jmf.2017.3970] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023] Open
Affiliation(s)
- Bo-Kyung Sa
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, Republic of Korea
| | - Changhee Kim
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, Republic of Korea
| | - Mi-Bo Kim
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, Republic of Korea
| | - Jae-Kwan Hwang
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, Republic of Korea
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Synthesis of prenylated flavonols and their potents as estrogen receptor modulator. Sci Rep 2017; 7:12445. [PMID: 28963488 PMCID: PMC5622168 DOI: 10.1038/s41598-017-12640-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 09/13/2017] [Indexed: 11/09/2022] Open
Abstract
Prenylated flavonols are known as phytoestrogen and have good bioactivties. However, their abundances in nature are pretty low. It is required to find an efficient synthesis technique. Icariin is a prenylated flavonol glycoside with low cost. It can be used to synthesize different prenylated flavonols. A combination of cellulase and trifluoacetic acid hydrolysis could effectively remove rhamnose and glucose from icariin. Icaritin, anhydroicaritin and wushanicaritin were the leading prenylated flavonol products. Their affinities to estrogen receptors α and β were predicted by docking study. The weak affinity of wushanicaritin indicated that prenyl hydroxylation impaired its affinity to estrogen receptor β. The prenyl cyclization led to a loss of affinity to both receptors. The interactions between icaritin and ligand binding cavity of estrogen receptor β were simulated. π-π stacking and hydrophobic forces were predicted to be the dominant interactions positioning icaritin, which induced the helix (H12) forming an activated conformation.
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Terao J. Factors modulating bioavailability of quercetin-related flavonoids and the consequences of their vascular function. Biochem Pharmacol 2017. [DOI: 10.1016/j.bcp.2017.03.021 pmid: 28377278] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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31
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Lee HJ, Jeong HY, Jin MR, Lee HJ, Cho JY, Moon JH. Metabolism and antioxidant effect of malaxinic acid and its corresponding aglycone in rat blood plasma. Free Radic Biol Med 2017; 110:399-407. [PMID: 28669626 DOI: 10.1016/j.freeradbiomed.2017.06.020] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 06/01/2017] [Accepted: 06/28/2017] [Indexed: 10/19/2022]
Abstract
Malaxinic acid (MA) is a phenolic acid compound, found mainly in pear fruits (Pyrus pyrifolia N.), that is isoprenylated on the C-3 position of benzoic acid. Recently, the effects of prenylated phenolics on health have received much interest owing to their reported potent beneficial biological effects. We conducted a comparative study in rats to determine the metabolism, pharmacokinetics, and antioxidative activities of MA and its corresponding aglycone (MAA). MA and MAA were orally administered to rats (Sprague-Dawley, male, 6 weeks old) and their metabolites in plasma were analyzed. In addition, the MA metabolites in plasma were separated and the structures were confirmed via NMR and HR-MS analyses. The antioxidative activities of MA and MAA were evaluated by measuring their inhibitory effects on the 2,2'-azobis(2-amidinopropane)dihydrochloride- or copper ion-induced lipid peroxidation of rat plasma. MA was not absorbed in the intact form (the glucoside); both MA and MAA were absorbed as MAA and its metabolite form (glucuronide or sulfate). Moreover, the observed metabolite was the glucuronate of MAA rather than the glucuronide or sulfate. Concentrations of the free form of aglycone (MA administration, 4.6 ± 2.2μM; MAA administration, 7.2 ± 2.3μM) and total MAA (MA administration, 19.6 ± 4.4μM; MAA administration, 21.7 ± 3.3μM) in plasma reached a maximum at 15min after the oral administration of MA and MAA, respectively. The relative inhibitory effects on the formation of cholesteryl ester hydroperoxides in plasma collected at 15min after the oral administration of MA, MAA, and p-hydroxybenzoic acid (p-HBA) were as follows: MAA > MA ≥ p-HBA > control. Although the majority of MA and MAA is metabolized to conjugates, the compounds may contribute to the antioxidant defenses in the blood circulation owing to the presence of a phenolic hydroxyl group in the free form.
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Affiliation(s)
- Hyun Joo Lee
- Department of Food Science and Technology, BK21 Plus Program, Chonnam National University, 77 Yongbongro, Gwangju 61186, Republic of Korea
| | - Hang Yeon Jeong
- Department of Food Science and Technology, BK21 Plus Program, Chonnam National University, 77 Yongbongro, Gwangju 61186, Republic of Korea
| | - Mi Rim Jin
- Department of Food Science and Technology, BK21 Plus Program, Chonnam National University, 77 Yongbongro, Gwangju 61186, Republic of Korea
| | - Hyoung Jae Lee
- Department of Food Science and Technology, BK21 Plus Program, Chonnam National University, 77 Yongbongro, Gwangju 61186, Republic of Korea
| | - Jeong-Yong Cho
- Department of Food Science and Technology, BK21 Plus Program, Chonnam National University, 77 Yongbongro, Gwangju 61186, Republic of Korea
| | - Jae-Hak Moon
- Department of Food Science and Technology, BK21 Plus Program, Chonnam National University, 77 Yongbongro, Gwangju 61186, Republic of Korea.
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32
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Xiao Y, Lee IS. Microbial transformation of quercetin and its prenylated derivatives. Nat Prod Res 2017; 32:902-908. [DOI: 10.1080/14786419.2017.1367780] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Yina Xiao
- College of Pharmacy and Research Institute of Drug Development, Chonnam National University, Gwangju, Republic of Korea
| | - Ik-Soo Lee
- College of Pharmacy and Research Institute of Drug Development, Chonnam National University, Gwangju, Republic of Korea
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Seong SH, Ali MY, Kim HR, Jung HA, Choi JS. BACE1 inhibitory activity and molecular docking analysis of meroterpenoids from Sargassum serratifolium. Bioorg Med Chem 2017; 25:3964-3970. [PMID: 28576634 DOI: 10.1016/j.bmc.2017.05.033] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Revised: 05/13/2017] [Accepted: 05/16/2017] [Indexed: 11/20/2022]
Abstract
A wide range of pharmacological properties of Sargassum spp. extracts and isolated components have been recognized. Although individual meroterpenoids of Sargassum species have been reported to possess strong activity against Alzheimer's disease (AD), the active compounds of Sargassum serratifolium have not been fully explored. Therefore, we evaluated the anti-AD activity of S. serratifolium extract through enzyme inhibition of acetylcholinesterase (AChE), butyrylcholinesterase (BChE), and β-site amyloid precursor protein (APP) cleaving enzyme 1 (BACE1). Three meroterpenoids (sargahydroquinoic acid (1), sargachromenol (2) and sargaquinoic acid (3)) were isolated from S. serratifolium. These compounds showed moderate AChE inhibitory activity, but exhibited potent inhibitory activity against BChE and BACE1 (15.1, 9.4, and 10.4µM for BChE; 4.3, 6.9, and 12.5µM for BACE1, respectively). Kinetic study and molecular docking simulation of these compounds demonstrated that 1 and 3 interacted with both catalytic aspartyl residues and allosteric sites of BACE1, whereas 2 interacted with the allosteric site of BACE1. The results of the present study demonstrate that meroterpenoids from S. serratifolium might be beneficial in the treatment of AD.
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Affiliation(s)
- Su Hui Seong
- Department of Food and Life Science, Pukyong National University, Busan 608-737, Republic of Korea
| | - Md Yousof Ali
- Department of Food and Life Science, Pukyong National University, Busan 608-737, Republic of Korea
| | - Hyeung-Rak Kim
- Department of Food and Life Science, Pukyong National University, Busan 608-737, Republic of Korea
| | - Hyun Ah Jung
- Department of Food Science and Human Nutrition, Chonbuk National University, Jeonju 561-756, Republic of Korea.
| | - Jae Sue Choi
- Department of Food and Life Science, Pukyong National University, Busan 608-737, Republic of Korea.
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In Vitro Effect of 8-Prenylnaringenin and Naringenin on Fibroblasts and Glioblastoma Cells-Cellular Accumulation and Cytotoxicity. Molecules 2017; 22:molecules22071092. [PMID: 28665345 PMCID: PMC6152326 DOI: 10.3390/molecules22071092] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2017] [Revised: 06/26/2017] [Accepted: 06/28/2017] [Indexed: 01/14/2023] Open
Abstract
Gliomas are one of the most aggressive and treatment-resistant types of human brain cancer. Identification and evaluation of anticancer properties of compounds found in plants, such as naringenin (N) and 8-prenylnaringenin (8PN), are among the most promising applications in glioma therapy. The prenyl group seems to be crucial to the anticancer activity of flavones, since it may lead to enhanced cell membrane targeting and thus increased intracellular activity. It should be noted that 8PN content in hop cones is 10 to 100 times lower compared to other flavonoids, such as xanthohumol. In the study presented, we used a simple method for the synthesis of 8PN from isoxanthohumol—O-demethylation, with a high yield of 97%. Cellular accumulation and cytotoxicity of naringenin and 8-prenylnaringenin in normal (BJ) and cancer cells (U-118 MG) was also examined. Obtained data indicated that 8-prenylnaringenin exhibited higher cytotoxicity against used cell lines than naringenin, and the effect of both flavones was stronger in U-118 MG cells than in normal fibroblasts. The anticancer properties of 8PN correlated with its significantly greater (37%) accumulation in glioblastoma cells than in normal fibroblasts. Additionally, naringenin demonstrated higher selectivity for glioblastoma cells, as it was over six times more toxic for cancer than normal cells. Our results provide evidence that examined prenylated and non-prenylated flavanones have different biological activities against normal and cancer cell lines, and this property may be useful in designing new anticancer drugs for glioblastoma therapy.
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Terao J. Factors modulating bioavailability of quercetin-related flavonoids and the consequences of their vascular function. Biochem Pharmacol 2017; 139:15-23. [PMID: 28377278 DOI: 10.1016/j.bcp.2017.03.021] [Citation(s) in RCA: 85] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2017] [Accepted: 03/29/2017] [Indexed: 12/31/2022]
Abstract
Nowadays dietary flavonoids attract much attention in the prevention of chronic diseases. Epidemiological and intervention studies strongly suggest that flavonoid intake has beneficial effects on vascular health. It is unlikely that flavonoids act as direct antioxidants, although oxidative stress profoundly contributes to vascular impairment leading to cardiovascular diseases. Instead, flavonoids may exert their function by tuning the cellular redox state to an adaptive response or tolerable stress. However, the optimum intake of flavonoids from supplements or diet has not been clarified yet, because a number of exogenous and endogenous factors modulating their bioavailability affect their vascular function. This review will focus on the current knowledge of the bioavailability and vascular function of quercetin as a representative of antioxidative flavonoids. Current intervention studies imply that intake of quercetin-rich onion improves vascular health. Onion may be superior to quercetin supplement from the viewpoint of quercetin bioavailability, probably because the food matrix enhances the intestinal absorption of quercetin. α-Glucosylation increases its bioavailability by elevating the accessibility to the absorptive cells. Prenylation may enhance bioaccumulation at the target site by increasing the cellular uptake. However, these chemical modifications do not guarantee health benefits to the vascular system. Dietary quercetin is exclusively present as their conjugated form in the blood stream. Quercetin may exert its vascular function as an aglycone within macrophage cells after inflammation-induced deconjugation and as conjugated metabolites by targeting endothelial cells. The relationship between the bioavailability and bio-efficacy should be clarified, to evaluate the vascular function of a wide variety of dietary flavonoids.
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Affiliation(s)
- Junji Terao
- Faculty of Nursing and Rehabilitation, Konan Women's University, Morikita-cho 6-2-23, Higashinaga-ku, Kobe City, Hyogo 658-0001, Japan.
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Psoralidin, a prenylated coumestan, as a novel anti-osteoporosis candidate to enhance bone formation of osteoblasts and decrease bone resorption of osteoclasts. Eur J Pharmacol 2017; 801:62-71. [DOI: 10.1016/j.ejphar.2017.03.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2016] [Revised: 03/01/2017] [Accepted: 03/07/2017] [Indexed: 01/06/2023]
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37
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Phytoglycogen improves the water solubility and Caco-2 monolayer permeation of quercetin. Food Chem 2017; 221:248-257. [DOI: 10.1016/j.foodchem.2016.10.064] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2016] [Revised: 10/09/2016] [Accepted: 10/13/2016] [Indexed: 01/02/2023]
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Kariu T, Nakao R, Ikeda T, Nakashima K, Potempa J, Imamura T. Inhibition of gingipains and Porphyromonas gingivalis growth and biofilm formation by prenyl flavonoids. J Periodontal Res 2017; 52:89-96. [PMID: 26957413 PMCID: PMC5199630 DOI: 10.1111/jre.12372] [Citation(s) in RCA: 39] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/23/2016] [Indexed: 11/29/2022]
Abstract
BACKGROUND AND OBJECTIVE Porphyromonas gingivalis is considered a major pathogen of chronic periodontitis, which also may be implicated with systemic diseases such as atherosclerosis. Secreted cysteine proteases, gingipains Rgp and Kgp, are essential for P. gingivalis virulence. Some polyphenols and flavonoids are known to inhibit gingipain activity and interfere with biofilm formation by P. gingivalis. Many bioactive compounds have been isolated from Epimedium species, but availability of these compounds on gingipains and P. gingivalis is still unclear. Therefore, the aim of this study was to evaluate natural products from medical plants to develop a new therapeutic agent against periodontal disease. MATERIAL AND METHODS Prenylated flavonoids were isolated from Epimedium species plant using column chromatographies. The inhibitory effect of the prenylated flavonoids against protease activity of gingipains were examined using purified gingipains and fluorogenic substrates. Anti-P. gingivalis activity was evaluated to analyze planktonic growth and biofilm formation in brain heart infusion medium in the presence of the prenylated flavonoids. RESULTS We isolated 17 prenylated flavonoids (Limonianin, Epimedokoreanin B, etc.) from Epimedium species. We found that some prenylated flavonoids inhibited gingipain activity in a non-competitive manner with Ki values at μm order. The prenylated flavonoids also hindered growth and biofilm formation of P. gingivalis, in a manner independent of gingipain inhibition by the compounds. CONCLUSION The results indicated an inhibitory effect of the prenylated flavonoids against P. gingivalis and would provide useful information for future development of periodontitis treatment that suppresses gingipains, P. gingivalis growth and biofilm formation.
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Affiliation(s)
- Toru Kariu
- Department of Life Science, Shokei University, Chuo-ku, Kumamoto, Japan
| | - Ryoma Nakao
- Department of Bacteriology I, National Institute of Infectious Diseases, Shinjuku-ku, Tokyo, Japan
| | - Tsuyoshi Ikeda
- Division of Pharmaceutical Sciences, Sojo University, Nishi-ku, Kumamoto, Japan
| | - Keisuke Nakashima
- Division of Pharmaceutical Sciences, Sojo University, Nishi-ku, Kumamoto, Japan
| | - Jan Potempa
- Department of Microbiology, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
- Department of Oral Immunology and Infectious Disease, University of Louisville School of Dentistry, Louisville, KY, USA
| | - Takahisa Imamura
- Department of Molecular Pathology, Faculty of Life Sciences, Kumamoto University, Chuo-ku, Kumamoto, Japan
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Mukai R, Horikawa H, Lin PY, Tsukumo N, Nikawa T, Kawamura T, Nemoto H, Terao J. 8-Prenylnaringenin promotes recovery from immobilization-induced disuse muscle atrophy through activation of the Akt phosphorylation pathway in mice. Am J Physiol Regul Integr Comp Physiol 2016; 311:R1022-R1031. [PMID: 27629889 DOI: 10.1152/ajpregu.00521.2015] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2015] [Revised: 08/09/2016] [Accepted: 08/30/2016] [Indexed: 01/06/2023]
Abstract
8-Prenylnaringenin (8-PN) is a prenylflavonoid that originates from hop extracts and is thought to help prevent disuse muscle atrophy. We hypothesized that 8-PN affects muscle plasticity by promoting muscle recovery under disuse muscle atrophy. To test the promoting effect of 8-PN on muscle recovery, we administered an 8-PN mixed diet to mice that had been immobilized with a cast to one leg for 14 days. Intake of the 8-PN mixed diet accelerated recovery from muscle atrophy, and prevented reductions in Akt phosphorylation. Studies on cell cultures of mouse myotubes in vitro demonstrated that 8-PN activated the PI3K/Akt/P70S6K1 pathway at physiological concentrations. A cell-culture study using an inhibitor of estrogen receptors and an in vivo experiment with ovariectomized mice suggested that the estrogenic activity of 8-PN contributed to recovery from disuse muscle atrophy through activation of an Akt phosphorylation pathway. These data strongly suggest that 8-PN is a naturally occurring compound that could be used as a nutritional supplement to aid recovery from disuse muscle atrophy.
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Affiliation(s)
- Rie Mukai
- Department of Food Science, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan;
| | - Hitomi Horikawa
- Department of Food Science, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
| | - Pei-Yi Lin
- Department of Food Science, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
| | - Nao Tsukumo
- Department of Food Science, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
| | - Takeshi Nikawa
- Department of Nutritional Physiology, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan; and
| | - Tomoyuki Kawamura
- Department of Pharmaceutical Chemistry, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
| | - Hisao Nemoto
- Department of Pharmaceutical Chemistry, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
| | - Junji Terao
- Department of Food Science, Institute of Biomedical Sciences, Tokushima University Graduate School, Tokushima, Japan
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Hisanaga A, Mukai R, Sakao K, Terao J, Hou DX. Anti-inflammatory effects and molecular mechanisms of 8-prenyl quercetin. Mol Nutr Food Res 2016; 60:1020-32. [PMID: 26872410 DOI: 10.1002/mnfr.201500871] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2015] [Revised: 01/27/2016] [Accepted: 01/29/2016] [Indexed: 12/29/2022]
Abstract
SCOPE 8-prenyl quercetin (PQ) is a typical prenylflavonoid distributed in plant foods. It shows higher potential bioactivity than its parent quercetin (Q) although the mechanisms are not fully understood. This study aims to clarify the anti-inflammatory effects and molecular mechanisms of PQ in cell and animal models, compared to Q. METHODS AND RESULTS RAW264.7 cells were treated with PQ or Q to investigate the influence on the production of inducible nitric oxide synthase (iNOS), cyclooxygenase-2 (COX-2), and protein kinases by Western blotting. Nitric oxide (NO) and prostaglandin E2 (PGE2 ) were measured by the Griess method and ELISA, respectively. Cytokines were assayed by the multiplex technology. Mouse paw edema was induced by LPS. The results revealed that PQ had stronger inhibition on the production of iNOS, COX-2, NO, PGE2 , and 12 kinds of cytokines, than Q. PQ also showed in vivo anti-inflammatory effect by attenuating mouse paw edema. Molecular data revealed that PQ had no competitive binding to Toll-like receptor 4 with LPS, but directly targeted SEK1-JNK1/2 (where SEK is stress-activated protein kinase and JNK1/2 is Jun-N-terminal kinase 1/2) and MEK1-ERK1/2 (where ERK is extracellular signal regulated kinase). CONCLUSION PQ as a potential inhibitor revealed anti-inflammatory effect in both cell and animal models at least by targeting SEK1-JNK1/2 and MEK1-ERK1/2.
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Affiliation(s)
- Ayami Hisanaga
- The United Graduate School of Agricultural Science, Kagoshima University, Kagoshima, Japan
| | - Rie Mukai
- Department of Food Science, Institute of Health Biosciences, University of Tokushima Graduate School, Tokushima, Japan
| | - Kozue Sakao
- The United Graduate School of Agricultural Science, Kagoshima University, Kagoshima, Japan.,Faculty of Agriculture, Kagoshima University, Kagoshima, Japan
| | - Junji Terao
- Department of Food Science, Institute of Health Biosciences, University of Tokushima Graduate School, Tokushima, Japan
| | - De-Xing Hou
- The United Graduate School of Agricultural Science, Kagoshima University, Kagoshima, Japan.,Faculty of Agriculture, Kagoshima University, Kagoshima, Japan
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41
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Mukai R, Matsui N, Fujikura Y, Matsumoto N, Hou DX, Kanzaki N, Shibata H, Horikawa M, Iwasa K, Hirasaka K, Nikawa T, Terao J. Preventive effect of dietary quercetin on disuse muscle atrophy by targeting mitochondria in denervated mice. J Nutr Biochem 2016; 31:67-76. [PMID: 27133425 DOI: 10.1016/j.jnutbio.2016.02.001] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2015] [Revised: 01/31/2016] [Accepted: 02/01/2016] [Indexed: 12/11/2022]
Abstract
Quercetin is a major dietary flavonoid in fruits and vegetables. We aimed to clarify the preventive effect of dietary quercetin on disuse muscle atrophy and the underlying mechanisms. We established a mouse denervation model by cutting the sciatic nerve in the right leg (SNX surgery) to lack of mobilization in hind-limb. Preintake of a quercetin-mixed diet for 14days before SNX surgery prevented loss of muscle mass and atrophy of muscle fibers in the gastrocnemius muscle (GM). Phosphorylation of Akt, a key phosphorylation pathway of suppression of protein degradation, was activated in the quercetin-mixed diet group with and without SNX surgery. Intake of a quercetin-mixed diet suppressed the generation of hydrogen peroxide originating from mitochondria and elevated mitochondrial peroxisome proliferator-activated receptor-γ coactivator 1α mRNA expression as well as NADH dehydrogenase 4 expression in the GM with SNX surgery. Quercetin and its conjugated metabolites reduced hydrogen peroxide production in the mitochondrial fraction obtained from atrophied muscle. In C2C12 myotubes, quercetin reached the mitochondrial fraction. These findings suggest that dietary quercetin can prevent disuse muscle atrophy by targeting mitochondria in skeletal muscle tissue through protecting mitochondria from decreased biogenesis and reducing mitochondrial hydrogen peroxide release, which can be related to decreased hydrogen peroxide production and/or improvements on antioxidant capacity of mitochondria.
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Affiliation(s)
- Rie Mukai
- Department of Food Science, Institute of Biomedical Sciences, Tokushima University Graduate School, 3-18-15 Kuramotocho, Tokushima, 770-8503, Japan
| | - Naoko Matsui
- Department of Food Science, Institute of Biomedical Sciences, Tokushima University Graduate School, 3-18-15 Kuramotocho, Tokushima, 770-8503, Japan
| | - Yutaka Fujikura
- Department of Food Science, Institute of Biomedical Sciences, Tokushima University Graduate School, 3-18-15 Kuramotocho, Tokushima, 770-8503, Japan
| | - Norifumi Matsumoto
- Department of Biochemical Science and Technology Faculty of Agriculture, Kagoshima University, 1-12-24, Korimoto, Kagoshima, 890-0065, Japan
| | - De-Xing Hou
- Department of Biochemical Science and Technology Faculty of Agriculture, Kagoshima University, 1-12-24, Korimoto, Kagoshima, 890-0065, Japan
| | - Noriyuki Kanzaki
- Institute for Health Care Science, Suntory Wellness Ltd, 1-1-1 Wakayamadai, Shimamoto-cho, Mishima-gun, Oksaka, 618-8503, Japan
| | - Hiroshi Shibata
- Institute for Health Care Science, Suntory Wellness Ltd, 1-1-1 Wakayamadai, Shimamoto-cho, Mishima-gun, Oksaka, 618-8503, Japan
| | - Manabu Horikawa
- Bioorganic Research Institute, Suntory Foundation for Life Sciences
| | - Keiko Iwasa
- Research Institute, Suntory Global Innovation Center, 1-1-1 Wakayamadai, Shimamoto-cho, Mishima-gun, Oksaka, 618-8503, Japan
| | - Katsuya Hirasaka
- Graduate School of Fisheries Science and Environmental Studies, Nagasaki University, 1-14 Bunkyo-machi, Nagasaki, 852-8521, Japan
| | - Takeshi Nikawa
- Department of Nutritional Physiology, Institute of Biomedical Sciences, Tokushima University Graduate School, 3-18-15 Kuramotocho, Tokushima, 770-8503, Japan
| | - Junji Terao
- Department of Food Science, Institute of Biomedical Sciences, Tokushima University Graduate School, 3-18-15 Kuramotocho, Tokushima, 770-8503, Japan.
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42
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Simultaneous determination of thirteen flavonoids from Xiaobuxin-Tang extract using high-performance liquid chromatography coupled with electrospray ionization mass spectrometry. J Pharm Biomed Anal 2015; 115:214-24. [DOI: 10.1016/j.jpba.2015.07.015] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Revised: 07/16/2015] [Accepted: 07/17/2015] [Indexed: 11/22/2022]
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43
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Miyata S, Inoue J, Shimizu M, Sato R. Xanthohumol Improves Diet-induced Obesity and Fatty Liver by Suppressing Sterol Regulatory Element-binding Protein (SREBP) Activation. J Biol Chem 2015; 290:20565-79. [PMID: 26140926 DOI: 10.1074/jbc.m115.656975] [Citation(s) in RCA: 70] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2015] [Indexed: 02/02/2023] Open
Abstract
Sterol regulatory element-binding proteins (SREBPs) are key transcription factors that stimulate the expression of genes involved in fatty acid and cholesterol biosynthesis. Here, we demonstrate that a prenylated flavonoid in hops, xanthohumol (XN), is a novel SREBP inactivator that reduces the de novo synthesis of fatty acid and cholesterol. XN independently suppressed the maturation of SREBPs of insulin-induced genes in a manner different from sterols. Our results suggest that XN impairs the endoplasmic reticulum-to-Golgi translocation of the SREBP cleavage-activating protein (SCAP)-SREBP complex by binding to Sec23/24 and blocking SCAP/SREBP incorporation into common coated protein II vesicles. Furthermore, in diet-induced obese mice, dietary XN suppressed SREBP-1 target gene expression in the liver accompanied by a reduction of the mature form of hepatic SREBP-1, and it inhibited the development of obesity and hepatic steatosis. Altogether, our data suggest that XN attenuates the function of SREBP-1 by repressing its maturation and that it has the potential of becoming a nutraceutical food or pharmacological agent for improving metabolic syndrome.
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Affiliation(s)
- Shingo Miyata
- From the Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo 113-8657, Japan
| | - Jun Inoue
- From the Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo 113-8657, Japan
| | - Makoto Shimizu
- From the Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo 113-8657, Japan
| | - Ryuichiro Sato
- From the Department of Applied Biological Chemistry, Graduate School of Agricultural and Life Sciences, University of Tokyo, Tokyo 113-8657, Japan
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44
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Kawabata K, Mukai R, Ishisaka A. Quercetin and related polyphenols: new insights and implications for their bioactivity and bioavailability. Food Funct 2015; 6:1399-417. [DOI: 10.1039/c4fo01178c] [Citation(s) in RCA: 187] [Impact Index Per Article: 20.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
The physiological functions and mechanisms of action of quercetin and its related polyphenols are highlighted, including their effects on brain, blood vessels, muscle, and intestinal microflora.
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Affiliation(s)
- Kyuichi Kawabata
- Department of Bioscience
- Fukui Prefectural University
- Eiheiji-cho, Yoshida-gun, Fukui 910-1195
- Japan
| | - Rie Mukai
- Department of Food Science
- Institute of Health Biosciences
- The University of Tokushima Graduate School
- Tokushima 770-8503
- Japan
| | - Akari Ishisaka
- School of Human Science and Environment
- University of Hyogo
- Himeji 670-0092
- Japan
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45
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Terao J. Integrated Studies on the Action Mechanism of Oxidative Stress-regulating Food Bioactives. ACTA ACUST UNITED AC 2015. [DOI: 10.4327/jsnfs.68.3] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Affiliation(s)
- Junji Terao
- Department of Food Science, Graduate School of Nutrition and Bioscience, Institute of Health Bioscience, the University of Tokushima
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46
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de Almeida NEC, de Aguiar I, de Zawadzki A, Cardoso DR. Kinetics and thermodynamics of 1-hydroxyethyl radical reaction with unsaturated lipids and prenylflavonoids. J Phys Chem B 2014; 118:14278-87. [PMID: 25409421 DOI: 10.1021/jp509125b] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Abstract
Hydroxyalkyl radicals have been reported to induce lipid oxidation as the key aspect of the pathogenesis of alcoholic fatty liver disease and are responsible for the alkylation and cleavage of DNA during the metabolism of a wide range of genotoxic compounds. However, relevant kinetic data for the oxidation of unsaturated lipids by 1-hydroxyethyl radical (HER) has not been reported. In this study, the rate constants for the reaction of unsaturated fatty acid methyl esters and sterols with HER have been determined using a competitive kinetic approach employing the spin-trap α-(4-pyridyl-1-oxide)-N-tert-butylnitrone (4-POBN) as the competitive substrate. Polyunsaturated fatty acid methyl ester is shown to react with HER with an apparent second-order rate constant ranging from (3.7 ± 0.1) × 10(6) L mol(-1) s(-1) for methyl linoleate to (2.7 ± 0.2) × 10(7) L mol(-1) s(-1) for methyl docosahexanoate at 25.0 ± 0.2 °C in ethanol. The apparent second-order rate constant for polyunsaturated fatty acid methyl ester oxidation by HER is dependent on the number of bisallylic hydrogen atoms rather than on the bond dissociation energy value for the weakest C-H bond as determined by ab initio density functional theory calculations. Sterols displayed higher reactivity compared to unsaturated fatty acid methyl esters with apparent second-order rate constants of (2.7 ± 0.1) × 10(6) and (5.2 ± 0.1) × 10(7) L mol(-1) s(-1) at 25.0 ± 0.2 °C in ethanol for cholesterol and ergosterol, respectively. Similar experiments with prenylflavonoids as potential herbal chemopreventive agents for preventing alcoholic liver diseases yield apparent second-order rate constants close to the diffusion control with kapp values of (1.5 ± 0.2) and (3.6 ± 0.1) × 10(9) L mol(-1)s(-1) for 6-prenylnarigerin and xanthohumol at 25.0 ± 0.2 °C in ethanol solution, respectively. Polyunsaturated lipids were revealed to be highly reactive oxidizable substrates toward HER-induced oxidation in biological systems leading to damage of membranes and sensitive structures.
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Affiliation(s)
- Natália E C de Almeida
- Instituto de Química de São Carlos, Universidade de São Paulo , Avenida Trabalhador São-Carlense 400, CEP 13560-970 São Carlos, SP, Brazil
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47
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Terao J, Mukai R. Prenylation modulates the bioavailability and bioaccumulation of dietary flavonoids. Arch Biochem Biophys 2014; 559:12-6. [DOI: 10.1016/j.abb.2014.04.002] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2014] [Revised: 04/03/2014] [Accepted: 04/04/2014] [Indexed: 11/29/2022]
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48
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Velázquez KT, Enos RT, Narsale AA, Puppa MJ, Davis JM, Murphy EA, Carson JA. Quercetin supplementation attenuates the progression of cancer cachexia in ApcMin/+ mice. J Nutr 2014; 144:868-75. [PMID: 24759931 PMCID: PMC4018949 DOI: 10.3945/jn.113.188367] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023] Open
Abstract
Although there are currently no approved treatments for cancer cachexia, there is an intensified interest in developing therapies because of the high mortality index associated with muscle wasting diseases. Successful treatment of the cachectic patient focuses on improving or maintaining body weight and musculoskeletal function. Nutraceutical compounds, including the natural phytochemical quercetin, are being examined as potential treatments because of their anti-inflammatory, antioxidant, and anticarcinogenic properties. The purpose of this study was to determine the effect of quercetin supplementation on the progression of cachexia in the adenomatous polyposis coli (Apc)(Min/+) mouse model of colorectal cancer. At 15 wk of age, C57BL/6 and male Apc(Min/+) mice were supplemented with 25 mg/kg of quercetin or vehicle solution mix of Tang juice and water (V) daily for 3 wk. Body weight, strength, neuromuscular performance, and fatigue were assessed before and after quercetin or V interventions. Indicators of metabolic dysfunction and inflammatory signaling were also assessed. During the treatment period, the relative decrease in body weight in the Apc(Min/+) mice gavaged with V (Apc(Min/+)V; -14% ± 2.3) was higher than in control mice gavaged with V (+0.6% ± 1.0), control mice gavaged with quercetin (-2% ± 1.0), and Apc(Min/+) mice gavaged with quercetin (Apc(Min/+)Q; -9% ± 1.3). At 18 wk of age, the loss of grip strength and muscle mass shown in Apc(Min/+)V mice was significantly attenuated (P < 0.05) in Apc(Min/+)Q mice. Furthermore, Apc(Min/+)V mice had an induction of plasma interleukin-6 and muscle signal transducer and activator of transcription 3 phosphorylation, which were significantly (P < 0.05) mitigated in Apc(Min/+)Q mice, despite having a similar tumor burden. Quercetin treatment did not improve treadmill run-time-to-fatigue, hyperglycemia, or hyperlipidemia in cachectic Apc(Min/+) mice. Overall, quercetin supplementation positively affected several aspects of cachexia progression in mice and warrants further exploration as a potential anticachectic therapeutic.
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Affiliation(s)
- Kandy T. Velázquez
- Division of Applied Physiology, Department of Exercise Science, and,Department of Pathology, Microbiology, and Immunology, School of Medicine, University of South Carolina, Columbia, SC
| | - Reilly T. Enos
- Division of Applied Physiology, Department of Exercise Science, and,Department of Pathology, Microbiology, and Immunology, School of Medicine, University of South Carolina, Columbia, SC
| | - Aditi A. Narsale
- Division of Applied Physiology, Department of Exercise Science, and
| | - Melissa J. Puppa
- Division of Applied Physiology, Department of Exercise Science, and
| | - J. Mark Davis
- Division of Applied Physiology, Department of Exercise Science, and
| | - E. Angela Murphy
- Department of Pathology, Microbiology, and Immunology, School of Medicine, University of South Carolina, Columbia, SC
| | - James A. Carson
- Division of Applied Physiology, Department of Exercise Science, and,To whom correspondence should be addressed. E-mail:
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