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Yahya S, Sulaiman MK, Sudhandiran G. Caffeic acid phenethyl ester mediates apoptosis in serum-starved HT29 colon cancer cells through modulation of heat shock proteins and MAPK pathways. Cell Biochem Funct 2024; 42:e3942. [PMID: 38379263 DOI: 10.1002/cbf.3942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 01/11/2024] [Accepted: 01/12/2024] [Indexed: 02/22/2024]
Abstract
Colorectal cancer (CRC) is among the most prevalent gastrointestinal cancers of epithelial origin worldwide, with over 2 million cases detected every year. Emerging evidence suggests a significant increase in the levels of inflammatory and stress-related markers in patients with CRC, indicating that oxidative stress and lipid peroxidation may influence signalling cascades involved in the progression of the disease. However, the precise molecular and cellular basis underlying CRC and their modulations during bioactive compound exposure have not yet been deciphered. This study examines the effect of caffeic acid phenethyl ester (CAPE), a natural bioactive compound, in HT29 CRC cells grown under serum-supplemented and serum-deprived conditions. We found that CAPE inhibited cell cycle progression in the G2/M phase and induced apoptosis. Migration assay confirmed that CAPE repressed cancer invasiveness. Protein localisation by immunofluorescence microscopy and protein expression by western blot analysis reveal increased expressions of key inflammatory signalling mediators such as p38α, Jun N-terminal kinase and extracellular signal-regulated kinase (ERK) proteins. Molecular docking data demonstrates that CAPE shows a higher docking score of -5.35 versus -4.59 to known p38 inhibitor SB203580 as well as a docking score of -4.17 versus -3.86 to known ERK1/2 inhibitor AZD0364. Co-immunoprecipitation data reveals that CAPE treatment effectively downregulates heat shock protein (HSP) expression in both sera-supplemented and limited conditions through its interaction with mitogen-activated protein kinase 14 (MAPK14). These results suggest that stress induction via serum starvation in HT29 CRC cells leads to the induction of apoptosis and co-ordinated activation of MAPK-HSP pathways. Molecular docking studies support that CAPE could serve as an effective inhibitor to target p38 and MAPK compared to their currently known inhibitors.
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Affiliation(s)
- Showket Yahya
- Cell Biology Laboratory, Department of Biochemistry, University of Madras, Guindy Campus, Chennai, India
| | | | - Ganapasam Sudhandiran
- Cell Biology Laboratory, Department of Biochemistry, University of Madras, Guindy Campus, Chennai, India
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Namdari A, Miladpour B. Caffeic Acid Phenethyl Ester Reduces the Adverse Effects of Nicotine on the Endometrium. Iran J Med Sci 2023; 48:493-500. [PMID: 37786469 PMCID: PMC10541549 DOI: 10.30476/ijms.2023.96134.2764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Revised: 11/07/2022] [Accepted: 12/09/2022] [Indexed: 10/04/2023]
Abstract
Background Tobacco smoke contains various toxins that negatively affect the human reproductive system. Caffeic acid phenethyl ester (CAPE), a potent antioxidant, has protective effects on the reproductive system against oxygen-free radicals, methotrexate, and pesticides. Herein, the effect of CAPE on some key markers of endometrial receptivity has been evaluated. Methods A cross-sectional study was conducted during 2018-2019 in the Department of Clinical Biochemistry, School of Medicine, Fasa University of Medical Sciences (Fasa, Iran). Primary endometrial cells were divided into five groups, namely control, nicotine, CAPE, vehicle, and nicotine+CAPE. Real-time polymerase chain reaction (PCR) and methylation-specific PCR were performed to evaluate gene expressions and methylation, respectively. Appropriate doses of CAPE and nicotine were determined using the MTT assay. Data were analyzed using SPSS software (version 16.0) with a one-way analysis of variance. P<0.01 was considered statistically significant. The fold change was calculated using the 2-∆ΔCT method. Results Treatment of cells with nicotine significantly reduced the expression of C-X-C motif chemokine ligand 12 (CXCL12), fibroblast growth factor 2 (FGF2), and vascular endothelial growth factor A (VEGF-A) genes (P<0.0001). However, the expression levels increased significantly when treated with nicotine+CAPE (P<0.0001). Despite the reduced CXCL12 gene expression in cells treated with nicotine, CXCL12 was unmethylated in all study groups, indicating that the methylation status of the CXCL12 gene was not affected by nicotine or CAPE. Conclusion CAPE can be a suitable agent to protect female smokers from the harmful effects of nicotine. This manuscript is available as a preprint on the Research Gate website.
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Affiliation(s)
- Amin Namdari
- Department of Clinical Biochemistry, School of Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Behnoosh Miladpour
- Department of Clinical Biochemistry, School of Medicine, Fasa University of Medical Sciences, Fasa, Iran
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Sakae K, Nonaka D, Kishida M, Hirata Y, Fujiwara R, Kondo A, Noda S, Tanaka T. Caffeic acid production from glucose using metabolically engineered Escherichia coli. Enzyme Microb Technol 2023; 164:110193. [PMID: 36621069 DOI: 10.1016/j.enzmictec.2023.110193] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 01/03/2023] [Accepted: 01/04/2023] [Indexed: 01/07/2023]
Abstract
Caffeic acid (3,4-dihydroxycinnamic acid) is a precursor for high-valued compounds with anticancer, antiviral activities, and anti-inflammatory making it an important substance in the food additive, cosmetics, and pharmaceutical industries. Here, we developed an engineered Escherichia coli strain capable of directly producing high levels of caffeic acid from glucose. Tyrosine ammonia-lyase from Rhodotorula glutinis (RgTAL) and p-coumaric acid 3-hydroxylase from Saccharothrix espanaensis (SeC3H) were expressed. Next, feedback-resistant chorismate mutase/prephenate dehydrogenase, was introduced to promote l-tyrosine synthesis. This engineered strain CA3 produced 1.58 g/L of caffeic acid from glucose without tyrosine supplemented to the medium. Furthermore, to reduce p-coumaric acid accumulation, 4-hydroxyphenylacetate 3-hydroxylase from Pseudomonas aeruginosa (PaHpaBC) was introduced. Finally, an engineered strain CA8 directly produced 6.17 g/L of caffeic acid from glucose using a jar fermenter. The E. coli developed in this study would be helpful as a chassis strain to produce value-added caffeic acid-derivatives.
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Affiliation(s)
- Kosuke Sakae
- Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan
| | - Daisuke Nonaka
- Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan
| | - Mayumi Kishida
- Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan
| | - Yuuki Hirata
- Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan
| | - Ryosuke Fujiwara
- Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan
| | - Akihiko Kondo
- Center for Sustainable Resource Science, RIKEN, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan; Graduate School of Science, Technology and Innovation, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan
| | - Shuhei Noda
- Center for Sustainable Resource Science, RIKEN, 1-7-22 Suehiro-cho, Tsurumi-ku, Yokohama, Kanagawa 230-0045, Japan
| | - Tsutomu Tanaka
- Department of Chemical Science and Engineering, Graduate School of Engineering, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan.
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Lin Y, Li D, Zhou C, Wu Y, Miao P, Dong Q, Zhu S, Pan C. Application of insecticides on peppermint (Mentha × piperita L.) induces lignin accumulation in leaves by consuming phenolic acids and thus potentially deteriorates quality. J Plant Physiol 2022; 279:153836. [PMID: 36244262 DOI: 10.1016/j.jplph.2022.153836] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 10/04/2022] [Accepted: 10/04/2022] [Indexed: 06/16/2023]
Abstract
Irrational use of pesticides may lead to physiological and metabolic disorders in different crops. However, there are limited investigations on impacts of insecticides on physiology and biochemistry, secondary metabolic pathways, and associated quality of medicinal plants such as peppermint (Mentha × piperita L.). In this study, target metabolites in peppermint were monitored following foliar spraying of five insecticides: imidacloprid, pyriproxyfen, acetamiprid, chlorantraniliprole, and chlorfenapyr. Compared with the control, all insecticide treatments caused a significant loss of soluble protein (decreased by 22.3-38.7%) in peppermint leaves. Insecticides induced an increase in the levels of phytohormones jasmonic acid and abscisic acid in response to these chemical stresses. Among them, imidacloprid increased jasmonic acid by 388.3%, and pyriproxyfen increased abscisic acid by 98.8%. The contents of phenylpropanoid metabolites, including rutin, quercetin, apigenin, caffeic acid, 4-hydroxybenzoic acid, ferulic acid, syringic acid, and sinapic acid showed a decreasing trend, with pyriproxyfen decreasing the levels of quercetin and 4-hydroxybenzoic acid by 78.8% and 72.6%, respectively. Combined with correlation analysis, the content of lignin in leaves shows different degrees of negative correlations with several phenolic acids. It could be inferred that insecticides may trigger plant defense mechanisms that accumulate lignin (increased by 24.6-49.1%) in leaves by consuming phenolic acids to barricade absorption of insecticides. Through constructing networks between phytohormones and secondary metabolites, peppermint may regulate the contents of caffeic acid, 4-hydroxybenzoic acid, and sinapic acid by the antagonistic effect between salicylic acid and abscisic acid in response to insecticidal stresses. Principal component analysis and systemic cluster analysis revealed that the most pronounced changes in physiological indexes and metabolites were caused by the pyriproxyfen treatment. In conclusion, this study improves our understanding of the mechanism by which insecticides affect plant physiological and metabolic processes, thus potentially altering the quality and therapeutic value of peppermint as an example.
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Affiliation(s)
- Yongxi Lin
- Innovation Center of Pesticide Research, College of Science, China Agricultural University, Beijing, 100193, China
| | - Dong Li
- Key Laboratory of Green Prevention and Control of Tropical Plant Diseases and Pests, Ministry of Education, College of Plant Protection, Hainan University, Haikou, 570228, China
| | - Chunran Zhou
- Innovation Center of Pesticide Research, College of Science, China Agricultural University, Beijing, 100193, China
| | - Yangliu Wu
- Innovation Center of Pesticide Research, College of Science, China Agricultural University, Beijing, 100193, China
| | - Peijuan Miao
- Innovation Center of Pesticide Research, College of Science, China Agricultural University, Beijing, 100193, China
| | - Qinyong Dong
- Innovation Center of Pesticide Research, College of Science, China Agricultural University, Beijing, 100193, China
| | - Shusheng Zhu
- State Key Laboratory for Conservation and Utilization of Bio-Resources in Yunnan, Yunnan Agricultural University, Kunming, Yunan, 650201, China
| | - Canping Pan
- Innovation Center of Pesticide Research, College of Science, China Agricultural University, Beijing, 100193, China.
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Kimsa-Dudek M, Synowiec-Wojtarowicz A, Krawczyk A, Kosowska A, Kimsa-Furdzik M, Francuz T. The Apoptotic Effect of Caffeic or Chlorogenic Acid on the C32 Cells That Have Simultaneously Been Exposed to a Static Magnetic Field. Int J Mol Sci 2022; 23:ijms23073859. [PMID: 35409218 PMCID: PMC8999068 DOI: 10.3390/ijms23073859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Revised: 03/28/2022] [Accepted: 03/29/2022] [Indexed: 12/04/2022] Open
Abstract
The induction of apoptosis is one of the main goals of the designed anti-cancer therapies. In recent years, increased attention has been paid to the physical factors such as magnetic fields and to the natural bioactive compounds and the possibilities using them in medicine. Hence, the aim of this study was to evaluate the anti-tumor effect of caffeic or chlorogenic acid in combination with a moderate-strength static magnetic field on C32 melanoma cells by assessing the effect of both factors on the apoptotic process. The apoptosis of the C32 cells was evaluated using a flow cytometry analysis. The expression of the apoptosis-associated genes was determined using the RT-qPCR technique. The caspase activity and the concentration of the oxidative damage markers were also measured. It was found that phenolic acids and a static magnetic field trigger the apoptosis of the C32 cells and also affect the expression of the genes encoding the apoptosis regulatory proteins. In conclusion, our study indicated that both of the phenolic acids and a static magnetic field can be used supportively in the treatment of melanoma and that caffeic acid is more pro-apoptotic than chlorogenic acid.
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Affiliation(s)
- Magdalena Kimsa-Dudek
- Department of Nutrigenomics and Bromatology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, Katowice, Jednosci 8, 41-200 Sosnowiec, Poland; (A.S.-W.); (A.K.)
- Correspondence: ; Tel.: +48-32-364-11-72
| | - Agnieszka Synowiec-Wojtarowicz
- Department of Nutrigenomics and Bromatology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, Katowice, Jednosci 8, 41-200 Sosnowiec, Poland; (A.S.-W.); (A.K.)
| | - Agata Krawczyk
- Department of Nutrigenomics and Bromatology, Faculty of Pharmaceutical Sciences in Sosnowiec, Medical University of Silesia, Katowice, Jednosci 8, 41-200 Sosnowiec, Poland; (A.S.-W.); (A.K.)
| | - Agnieszka Kosowska
- Department of Biochemistry, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Medyków 18, 40-752 Katowice, Poland; (A.K.); (M.K.-F.); (T.F.)
| | - Małgorzata Kimsa-Furdzik
- Department of Biochemistry, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Medyków 18, 40-752 Katowice, Poland; (A.K.); (M.K.-F.); (T.F.)
| | - Tomasz Francuz
- Department of Biochemistry, Faculty of Medical Sciences in Katowice, Medical University of Silesia, Medyków 18, 40-752 Katowice, Poland; (A.K.); (M.K.-F.); (T.F.)
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Kikowska M, Thiem B, Jafernik K, Klimek-Szczykutowicz M, Studzińska-Sroka E, Ekiert H, Szopa A. Effect of Elicitation with (+)-Usnic Acid on Accumulation of Phenolic Acids and Flavonoids in Agitated Microshoots of Eryngium alpinum L. Molecules 2021; 26:5532. [PMID: 34577004 PMCID: PMC8465747 DOI: 10.3390/molecules26185532] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2021] [Revised: 08/31/2021] [Accepted: 09/09/2021] [Indexed: 11/16/2022] Open
Abstract
The present work was aimed at studying the potential of elicitation on the accumulation of phenolic compounds in in vitro shoot cultures of Eryngium alpinum L., a protected plant from the Apiaceae family. The study examined the influence of (+)-usnic acid on the biomass growth as well as on the biosynthesis of the desired flavonoids and phenolic acids in the cultured microshoots. The phenolic compound content was determined by HPLC-DAD. The flavonoid of the highest concentration was isoquercetin, and the phenolic acids of the highest amount were rosmarinic acid, caffeic acid and 3,4-dihydroxyphenylacetic acid, both in the non-elicited and elicited biomass. Isoquercetin accumulation was efficiently increased by a longer elicitation with a lower concentration of lichenic compound (107.17 ± 4.67 mg/100 g DW) or a shorter elicitation with a higher concentration of acid (127.54 ± 11.34 and 108.37 ± 12.1 mg/100 g DW). Rosmarinic acid production generally remained high in all elicited and non-elicited microshoots. The highest content of this acid was recorded at 24 h of elicitation with 3.125 µM usnic acid (512.69 ± 4.89 mg/100 g DW). The process of elicitation with (+)-usnic acid, a well-known lichenic compound with allelopathic nature, may therefore be an effective technique of enhancing phenolic compound accumulation in alpine eryngo microshoot biomass.
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Affiliation(s)
- Małgorzata Kikowska
- Department of Pharmaceutical Botany and Plant Biotechnology, University of Medical Sciences in Poznan, 14 Św. Marii Magdaleny St., 61-861 Poznań, Poland;
| | - Barbara Thiem
- Department of Pharmaceutical Botany and Plant Biotechnology, University of Medical Sciences in Poznan, 14 Św. Marii Magdaleny St., 61-861 Poznań, Poland;
| | - Karolina Jafernik
- Department of Pharmaceutical Botany, Collegium Medicum, Jagiellonian University, 9 Medyczna St., 30-688 Kraków, Poland; (K.J.); (M.K.-S.); (H.E.); (A.S.)
| | - Marta Klimek-Szczykutowicz
- Department of Pharmaceutical Botany, Collegium Medicum, Jagiellonian University, 9 Medyczna St., 30-688 Kraków, Poland; (K.J.); (M.K.-S.); (H.E.); (A.S.)
| | - Elżbieta Studzińska-Sroka
- Department of Pharmacognosy, University of Medical Sciences in Poznan, 4 Święcickiego St., 61-781 Poznań, Poland;
| | - Halina Ekiert
- Department of Pharmaceutical Botany, Collegium Medicum, Jagiellonian University, 9 Medyczna St., 30-688 Kraków, Poland; (K.J.); (M.K.-S.); (H.E.); (A.S.)
| | - Agnieszka Szopa
- Department of Pharmaceutical Botany, Collegium Medicum, Jagiellonian University, 9 Medyczna St., 30-688 Kraków, Poland; (K.J.); (M.K.-S.); (H.E.); (A.S.)
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Deus CM, Pereira SP, Cunha-Oliveira T, Teixeira J, Simões RF, Cagide F, Benfeito S, Borges F, Raimundo N, Oliveira PJ. A mitochondria-targeted caffeic acid derivative reverts cellular and mitochondrial defects in human skin fibroblasts from male sporadic Parkinson's disease patients. Redox Biol 2021; 45:102037. [PMID: 34147843 PMCID: PMC8220403 DOI: 10.1016/j.redox.2021.102037] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Revised: 05/24/2021] [Accepted: 06/03/2021] [Indexed: 12/24/2022] Open
Abstract
Parkinson's Disease (PD) is a neurodegenerative disorder affecting more than 10 million people worldwide. Currently, PD has no cure and no early diagnostics methods exist. Mitochondrial dysfunction is presented in the early stages of PD, and it is considered an important pathophysiology component. We have previously developed mitochondria-targeted hydroxycinnamic acid derivatives, presenting antioxidant and iron-chelating properties, and preventing oxidative stress in several biological models of disease. We have also demonstrated that skin fibroblasts from male sporadic PD patients (sPD) presented cellular and mitochondrial alterations, including increased oxidative stress, hyperpolarized and elongated mitochondria and decreased respiration and ATP levels. We also showed that forcing mitochondrial oxidative phosphorylation (OXPHOS) in sPD fibroblasts uncovers metabolic defects that were otherwise hidden. In this work, we tested the hypothesis that a lead mitochondria-targeted hydroxycinnamic acid derivative would revert the phenotype found in skin fibroblasts from sPD patients. Our results demonstrated that treating human skin fibroblasts from sPD patients with non-toxic concentrations of AntiOxCIN4 restored mitochondrial membrane potential and mitochondrial fission, decreased autophagic flux, and enhanced cellular responses to stress by improving the cellular redox state and decreasing reactive oxygen species (ROS) levels. Besides, fibroblasts from sPD patients treated with AntiOxCIN4 showed increased maximal respiration and metabolic activity, converting sPD fibroblasts physiologically more similar to their sex- and age-matched healthy controls. The positive compound effect was reinforced using a supervised machine learning model, confirming that AntiOxCIN4 treatment converted treated fibroblasts from sPD patients closer to the phenotype of control fibroblasts. Our data points out a possible mechanism of AntiOxCIN4 action contributing to a deeper understanding of how the use of mitochondria-targeted antioxidants based on a polyphenol scaffold can be used as potential drug candidates for delaying PD progression, validating the use of fibroblasts from sPD patients with more active OXPHOS as platforms for mitochondria-based drug development.
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Affiliation(s)
- Cláudia M Deus
- PhD Programme in Experimental Biology and Biomedicine (PDBEB), Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal; CNC-Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Susana P Pereira
- CNC-Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal; Research Centre in Physical Activity Health and Leisure (CIAFEL), Faculty of Sports, University of Porto, Porto, Portugal
| | - Teresa Cunha-Oliveira
- CNC-Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - José Teixeira
- CNC-Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Rui F Simões
- PhD Programme in Experimental Biology and Biomedicine (PDBEB), Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal; CNC-Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Fernando Cagide
- CIQUP/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
| | - Sofia Benfeito
- CIQUP/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
| | - Fernanda Borges
- CIQUP/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, Porto, Portugal
| | - Nuno Raimundo
- Penn State University College of Medicine, Department of Cellular and Molecular Physiology, Hershey, PA, USA; Multidisciplinary Institute of Ageing (MIA), University of Coimbra, Coimbra, Portugal
| | - Paulo J Oliveira
- PhD Programme in Experimental Biology and Biomedicine (PDBEB), Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal.
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Zhang H, Wen B, Liu Y, Du G, Wei X, Imam KMSU, Zhou H, Fan S, Wang F, Wang Y, Xin F. A reverse catalytic triad Asp containing loop shaping a wide substrate binding pocket of a feruloyl esterase from Lactobacillus plantarum. Int J Biol Macromol 2021; 184:92-100. [PMID: 34116094 DOI: 10.1016/j.ijbiomac.2021.06.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 05/08/2021] [Accepted: 06/06/2021] [Indexed: 11/18/2022]
Abstract
Feruloyl esterase is an indispensable biocatalyst in food processing, pesticide and pharmaceutical industries, catalyzing the cleavage of the ester bond cross-linked between the polysaccharide side chain of hemicellulose and ferulic acid in plant cell walls. LP_0796 from Lactobacillus plantarum was identified as a feruloyl esterase that may have potential applications in the food industry, but the lack of the substrate recognition and catalytic mechanisms limits its application. Here, LP_0796 showed the highest activity towards methyl caffeate at pH 6.6 and 40 °C. The crystal structure of LP_0796 was determined at 2.5 Å resolution and featured a catalytic triad Asp195-containing loop facing the opposite direction, thus forming a wider substrate binding pocket. Molecular docking simulation and site-directed mutagenesis studies further demonstrated that in addition to the catalytic triad (Ser94, Asp195, His225), Arg125 and Val128 played essential roles in the function of the active site. Our data also showed that Asp mutation of Ala23 and Ile198 increased the catalytic efficiency to 4- and 5-fold, respectively. Collectively, this work provided a better understanding of the substrate recognition and catalytic mechanisms of LP_0796 and may facilitate the future protein design of this important feruloyl esterase.
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Affiliation(s)
- Haowen Zhang
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Boting Wen
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yusi Liu
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Guoming Du
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Xue Wei
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Khandaker Md Sharif Uddin Imam
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Huan Zhou
- Shanghai Synchrotron Radiation Facility, Shanghai Advanced Research Institute, Chinese Academy of Sciences, Shanghai 201204, China
| | - Shilong Fan
- Key Laboratory of Ministry of Education for Protein Science, School of Life Sciences, Tsinghua University, Beijing 100084, China
| | - Fengzhong Wang
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China
| | - Yulu Wang
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
| | - Fengjiao Xin
- Laboratory of Biomanufacturing and Food Engineering, Institute of Food Science and Technology, Chinese Academy of Agricultural Sciences, Beijing 100193, China.
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9
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Jin Q, You W, Tan X, Liu G, Zhang X, Liu X, Wan F, Wei C. Caffeic acid modulates methane production and rumen fermentation in an opposite way with high-forage or high-concentrate substrate in vitro. J Sci Food Agric 2021; 101:3013-3020. [PMID: 33205409 DOI: 10.1002/jsfa.10935] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2019] [Revised: 11/05/2020] [Accepted: 11/17/2020] [Indexed: 06/11/2023]
Abstract
BACKGROUND Plant secondary metabolites, including tannins, saponins and phenolic acids, possess potential methane (CH4 ) inhibition bioactivity. Caffeic acid (CA), as one of the typical phenolic acids, serves as a promising rumen CH4 inhibitor, but the underlying mechanisms and investigations with typical formulated rations are still not well documented. Therefore, a batch culture study was conducted to investigate the effects of CA on methanogenesis, rumen fermentation and growth of ruminal microorganisms when high-forage or high-concentrate substrates are fermented. RESULTS After 48 h incubations, adding CA up to 40 g kg-1 dry matter linearly reduced (P < 0.05) the disappearance of dry matter, neutral detergent fiber (NDFD), total gas, methanogenesis, total volatile fatty acid and 16S rDNA copy numbers of Ruminococcus albus and Butyrivibrio fibrisolvens, and increased 16S rDNA copy numbers of methanogens for the high-forage treatment. For the high-concentrate treatment, CA exerted opposite effects (P < 0.05) on the above variables, except that CA did not affect (P > 0.05)16S rDNA copy numbers of methanogens or R. albus. CONCLUSION Caffeic acid inhibited in vitro methanogenesis and rumen fermentation with high-forage substrate incubation. Contrarily, CA benefited in vitro fermentation and enhanced methanogenesis with high-concentrate substrate incubation. It suggests that CA modulates methanogenesis and rumen fermentation mainly by affecting the growth of cellulolytic bacteria in vitro. © 2020 Society of Chemical Industry.
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Affiliation(s)
- Qing Jin
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Wei You
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Xiuwen Tan
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Guifen Liu
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Xianglun Zhang
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Xiaomu Liu
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Fachun Wan
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China
| | - Chen Wei
- Shandong Key Laboratory of Animal Disease Control and Breeding, Institute of Animal Science and Veterinary Medicine, Shandong Academy of Agricultural Sciences, Jinan, China
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10
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Huang YK, Tseng KF, Tsai PH, Wang JS, Lee CY, Shen MY. IL-8 as a Potential Therapeutic Target for Periodontitis and Its Inhibition by Caffeic Acid Phenethyl Ester In Vitro. Int J Mol Sci 2021; 22:ijms22073641. [PMID: 33807391 PMCID: PMC8037988 DOI: 10.3390/ijms22073641] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Accepted: 03/29/2021] [Indexed: 01/04/2023] Open
Abstract
Salivary levels of interleukin-8 (IL-8) are elevated in patients with periodontitis. Caffeic acid phenethyl ester (CAPE) improves the periodontal status in subjects. However, whether CAPE can reduce IL-8 expression is unclear. We collected saliva to determine proinflammatory cytokine levels and used subgingival calculus and surrounding tissues from patients with periodontitis for oral microbiota analysis via 16s ribosomal RNA gene sequencing. THP-1 cells were stimulated with sterile-filtered saliva from patients, and target gene/protein expression was assessed. IL-8 mRNA expression was analyzed in saliva-stimulated THP-1 cells treated with CAPE and the heme oxygenase-1 (HO-1) inhibitor tin-protoporphyrin (SnPP). In 72 symptomatic individuals, IL-8 was correlated with periodontal inflammation (bleeding on probing, r = 0.45; p < 0.001) and disease severity (bleeding on probing, r = 0.45; p < 0.001) but not with the four oral microbiota species tested. Reduced salivary IL-8 secretion was correlated with effective periodontitis treatment (r = 0.37, p = 0.0013). In THP-1 cells, saliva treatment induced high IL-8 expression and IKK2 and nuclear factor-κB (NF-κB) phosphorylation. However, the IKK inhibitor BMS-345541, NF-κB inhibitor BAY 11-7082, and CAPE attenuated saliva-induced IL-8 expression. CAPE induced HO-1 expression and inhibited IKK2, IκBα, and NF-κB phosphorylation. Blocking HO-1 decreased the anti-inflammatory activity of CAPE. The targeted suppression of IL-8 production using CAPE reduces inflammation and periodontitis.
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Affiliation(s)
- Yung-Kai Huang
- Department of Oral Hygiene, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung 80708, Taiwan;
| | - Kuo-Feng Tseng
- Department of Biological Sciences and Technology, China Medical University, Taichung 40402, Taiwan;
| | - Ping-Hsuan Tsai
- Graduate Institute of Biomedical Sciences, College of Medicine, China Medical University, Taichung 40402, Taiwan; (P.-H.T.); (J.-S.W.)
| | - Jie-Sian Wang
- Graduate Institute of Biomedical Sciences, College of Medicine, China Medical University, Taichung 40402, Taiwan; (P.-H.T.); (J.-S.W.)
- Division of Nephrology, Department of Internal Medicine, China Medical University Hospital, Taichung 40402, Taiwan
| | - Chang-Yu Lee
- Department of Dentistry, Taipei Medical University Hospital, Taipei 110301, Taiwan;
| | - Ming-Yi Shen
- Graduate Institute of Biomedical Sciences, College of Medicine, China Medical University, Taichung 40402, Taiwan; (P.-H.T.); (J.-S.W.)
- Department of Medical Research, China Medical University Hospital, Taichung 40402, Taiwan
- Department of Nursing, Asia University, Taichung 41354, Taiwan
- Correspondence: ; Tel.: +886-(4)-2205-3366 (ext. 5809)
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11
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Gutierrez-Zetina SM, González-Manzano S, Ayuda-Durán B, Santos-Buelga C, González-Paramás AM. Caffeic and Dihydrocaffeic Acids Promote Longevity and Increase Stress Resistance in Caenorhabditis elegans by Modulating Expression of Stress-Related Genes. Molecules 2021; 26:molecules26061517. [PMID: 33802064 PMCID: PMC8001149 DOI: 10.3390/molecules26061517] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Accepted: 03/07/2021] [Indexed: 12/20/2022] Open
Abstract
Caffeic and dihydrocaffeic acid are relevant microbial catabolites, being described as products from the degradation of different phenolic compounds i.e., hydroxycinnamoyl derivatives, anthocyanins or flavonols. Furthermore, caffeic acid is found both in free and esterified forms in many fruits and in high concentrations in coffee. These phenolic acids may be responsible for a part of the bioactivity associated with the intake of phenolic compounds. With the aim of progressing in the knowledge of the health effects and mechanisms of action of dietary phenolics, the model nematode Caenorhabditis elegans has been used to evaluate the influence of caffeic and dihydrocaffeic acids on lifespan and the oxidative stress resistance. The involvement of different genes and transcription factors related to longevity and stress resistance in the response to these phenolic acids has also been explored. Caffeic acid (CA, 200 μM) and dihydrocaffeic acid (DHCA, 300 μM) induced an increase in the survival rate of C. elegans under thermal stress. Both compounds also increased the mean and maximum lifespan of the nematode, compared to untreated worms. In general, treatment with these acids led to a reduction in intracellular ROS concentrations, although not always significant. Results of gene expression studies conducted by RT-qPCR showed that the favorable effects of CA and DHCA on oxidative stress and longevity involve the activation of several genes related to insulin/IGF-1 pathway, such as daf-16, daf-18, hsf-1 and sod-3, as well as a sirtuin gene (sir-2.1).
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Affiliation(s)
- Sofia M. Gutierrez-Zetina
- Grupo de Investigación en Polifenoles (GIP-USAL), Unidad de Nutrición y Bromatología, Facultad de Farmacia, Campus Miguel de Unamuno, Universidad de Salamanca, 37007 Salamanca, Spain; (S.M.G.-Z.); (B.A.-D.); (C.S.-B.); (A.M.G.-P.)
| | - Susana González-Manzano
- Grupo de Investigación en Polifenoles (GIP-USAL), Unidad de Nutrición y Bromatología, Facultad de Farmacia, Campus Miguel de Unamuno, Universidad de Salamanca, 37007 Salamanca, Spain; (S.M.G.-Z.); (B.A.-D.); (C.S.-B.); (A.M.G.-P.)
- Unidad de Excelencia. Producción, Agrícola y Medioambiente (AGRIENVIRONMENT), Parque Científico, Universidad de Salamanca, 37185 Salamanca, Spain
- Correspondence: ; Tel.: +34-923-294-500
| | - Begoña Ayuda-Durán
- Grupo de Investigación en Polifenoles (GIP-USAL), Unidad de Nutrición y Bromatología, Facultad de Farmacia, Campus Miguel de Unamuno, Universidad de Salamanca, 37007 Salamanca, Spain; (S.M.G.-Z.); (B.A.-D.); (C.S.-B.); (A.M.G.-P.)
| | - Celestino Santos-Buelga
- Grupo de Investigación en Polifenoles (GIP-USAL), Unidad de Nutrición y Bromatología, Facultad de Farmacia, Campus Miguel de Unamuno, Universidad de Salamanca, 37007 Salamanca, Spain; (S.M.G.-Z.); (B.A.-D.); (C.S.-B.); (A.M.G.-P.)
- Unidad de Excelencia. Producción, Agrícola y Medioambiente (AGRIENVIRONMENT), Parque Científico, Universidad de Salamanca, 37185 Salamanca, Spain
| | - Ana M. González-Paramás
- Grupo de Investigación en Polifenoles (GIP-USAL), Unidad de Nutrición y Bromatología, Facultad de Farmacia, Campus Miguel de Unamuno, Universidad de Salamanca, 37007 Salamanca, Spain; (S.M.G.-Z.); (B.A.-D.); (C.S.-B.); (A.M.G.-P.)
- Unidad de Excelencia. Producción, Agrícola y Medioambiente (AGRIENVIRONMENT), Parque Científico, Universidad de Salamanca, 37185 Salamanca, Spain
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12
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Bounegru AV, Apetrei C. Voltamperometric Sensors and Biosensors Based on Carbon Nanomaterials Used for Detecting Caffeic Acid-A Review. Int J Mol Sci 2020; 21:E9275. [PMID: 33291758 PMCID: PMC7730703 DOI: 10.3390/ijms21239275] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2020] [Revised: 12/01/2020] [Accepted: 12/02/2020] [Indexed: 12/11/2022] Open
Abstract
Caffeic acid is one of the most important hydroxycinnamic acids found in various foods and plant products. It has multiple beneficial effects in the human body such as antioxidant, antibacterial, anti-inflammatory, and antineoplastic. Since overdoses of caffeic acid may have negative effects, the quality and quantity of this acid in foods, pharmaceuticals, food supplements, etc., needs to be accurately determined. The present paper analyzes the most representative scientific papers published mostly in the last 10 years which describe the development and characterization of voltamperometric sensors or biosensors based on carbon nanomaterials and/or enzyme commonly used for detecting caffeic acid and a series of methods which may improve the performance characteristics of such sensors.
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Affiliation(s)
| | - Constantin Apetrei
- Department of Chemistry, Physics and Environment, Faculty of Sciences and Environment, “Dunărea de Jos” University of Galaţi, 47 Domnească Street, 800008 Galaţi, Romania;
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13
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Fási L, Latif AD, Zupkó I, Lévai S, Dékány M, Béni Z, Könczöl Á, Balogh GT, Hunyadi A. AAPH or Peroxynitrite-Induced Biorelevant Oxidation of Methyl Caffeate Yields a Potent Antitumor Metabolite. Biomolecules 2020; 10:biom10111537. [PMID: 33187226 PMCID: PMC7697082 DOI: 10.3390/biom10111537] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 11/08/2020] [Indexed: 12/13/2022] Open
Abstract
Hydroxycinnamic acids represent a versatile group of dietary plant antioxidants. Oxidation of methyl-p-coumarate (pcm) and methyl caffeate (cm) was previously found to yield potent antitumor metabolites. Here, we report the formation of potentially bioactive products of pcm and cm oxidized with peroxynitrite (ONOO¯), a biologically relevant reactive nitrogen species (RNS), or with α,α'-azodiisobutyramidine dihydrochloride (AAPH) as a chemical model for reactive oxygen species (ROS). A continuous flow system was developed to achieve reproducible in situ ONOO¯ formation. Reaction mixtures were tested for their cytotoxic effect on HeLa, SiHa, MCF-7 and MDA-MB-231 cells. The reaction of pcm with ONOO¯ produced two fragments, an o-nitrophenol derivative, and a new chlorinated compound. Bioactivity-guided isolation from the reaction mixture of cm with AAPH produced two dimerization products, including a dihydrobenzofuran lignan that exerted strong antitumor activity in vitro, and has potent in vivo antimetastatic activity which was previously reported. This compound was also detected from the reaction between cm and ONOO¯. Our results demonstrate the ROS/RNS dependent formation of chemically stable metabolites, including a potent antitumor agent (5), from hydroxycinnamic acids. This suggests that diversity-oriented synthesis using ROS/RNS to obtain oxidized antioxidant metabolite mixtures may serve as a valid natural product-based drug discovery strategy.
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Affiliation(s)
- Laura Fási
- Institute of Pharmacognosy, Interdisciplinary Excellence Centre, University of Szeged, Eötvös str. 6, H-6720 Szeged, Hungary; (L.F.); (A.D.L.)
| | - Ahmed Dhahir Latif
- Institute of Pharmacognosy, Interdisciplinary Excellence Centre, University of Szeged, Eötvös str. 6, H-6720 Szeged, Hungary; (L.F.); (A.D.L.)
- Department of Pharmacodynamics and Biopharmacy, University of Szeged, Eötvös str. 6, H-6720 Szeged, Hungary;
| | - István Zupkó
- Department of Pharmacodynamics and Biopharmacy, University of Szeged, Eötvös str. 6, H-6720 Szeged, Hungary;
| | - Sándor Lévai
- Department of Chemistry, Gedeon Richter Plc., Gyömrői u. 19-21, H-1103 Budapest, Hungary; (S.L.); (M.D.); (Z.B.); (A.K.)
| | - Miklós Dékány
- Department of Chemistry, Gedeon Richter Plc., Gyömrői u. 19-21, H-1103 Budapest, Hungary; (S.L.); (M.D.); (Z.B.); (A.K.)
| | - Zoltán Béni
- Department of Chemistry, Gedeon Richter Plc., Gyömrői u. 19-21, H-1103 Budapest, Hungary; (S.L.); (M.D.); (Z.B.); (A.K.)
| | - Árpád Könczöl
- Department of Chemistry, Gedeon Richter Plc., Gyömrői u. 19-21, H-1103 Budapest, Hungary; (S.L.); (M.D.); (Z.B.); (A.K.)
| | - György Tibor Balogh
- Department of Chemistry, Gedeon Richter Plc., Gyömrői u. 19-21, H-1103 Budapest, Hungary; (S.L.); (M.D.); (Z.B.); (A.K.)
- Correspondence: (G.T.B.); (A.H.); Tel.: +36-1-4632174 (G.T.B.); +36-62-546-456 (A.H.)
| | - Attila Hunyadi
- Institute of Pharmacognosy, Interdisciplinary Excellence Centre, University of Szeged, Eötvös str. 6, H-6720 Szeged, Hungary; (L.F.); (A.D.L.)
- Interdisciplinary Centre for Natural Products, University of Szeged, Eötvös str. 6, H-6720 Szeged, Hungary
- Correspondence: (G.T.B.); (A.H.); Tel.: +36-1-4632174 (G.T.B.); +36-62-546-456 (A.H.)
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14
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Li J, Li B, Luo L, Cao F, Yang B, Gao J, Yan Y, Zhang G, Peng L, Hu B. Increased phenolic acid and tanshinone production and transcriptional responses of biosynthetic genes in hairy root cultures of Salvia przewalskii Maxim. treated with methyl jasmonate and salicylic acid. Mol Biol Rep 2020; 47:8565-8578. [PMID: 33048323 DOI: 10.1007/s11033-020-05899-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 10/05/2020] [Indexed: 10/23/2022]
Abstract
The purpose of this study is to reveal the impact of the plant hormone salicylic acid (SA) and methyl jasmonate (MeJA) on the growth, effective components accumulation, and related gene expression of the hairy root of Salvia przewalskii Maxim. Various concentrations of SA (0, 25, 50, 100, 200 μM) or MeJA (0, 50, 100, 200, 400, 600 μM) were added to the culture medium of Salvia przewalskii Maxim. Low concentrations of SA promoted the growth of hairy root, while a high concentration inhibited it. 0 to 400 μM MeJA promoted the growth of hairy root, but 600 μM MeJA starts to inhibit its growth. 50 μM SA and 400 μM MeJA significantly enhanced the production of caffeic acid, rosmarinic acid, salvianolic acid B, cryptotanshinone, and tanshinone IIA. In general, 50 μM SA can be used to accumulate of tanshinone in hairy roots of S. przewalskii with 6 days. 400 μM MeJA can be used to accumulate of phenolic acids in hairy roots of S. przewalskii with 3 days. The selected genes in the tanshinone and phenolic acid biosynthetic pathway were upregulated with elicitation. To obtain a higher yield and content of secondary metabolites, it is advisable to use 50 μM SA or 400 μM MeJA as the optimal doses to cultivate the hairy root of S. przewalskii. This study provides, for the first time, an efficient tanshinone and phenolic acid production method for S. przewalskii.
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Affiliation(s)
- Jie Li
- Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Bo Li
- Shaanxi Collaborative Innovation Center of Chinese Medicinal Resources Industrialization, Shaanxi University of Chinese Medicine, Xianyang, 712083, China
- State Key Laboratory of Research & Development of Characteristic Qin Medicine Resources (Cultivation), Xianyang, 712083, China
| | - Lu Luo
- Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Fulin Cao
- Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Bingyue Yang
- Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Jing Gao
- Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Yonggang Yan
- Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Gang Zhang
- Shaanxi University of Chinese Medicine, Xianyang, 712046, China
| | - Liang Peng
- Shaanxi University of Chinese Medicine, Xianyang, 712046, China.
| | - Benxiang Hu
- Shaanxi University of Chinese Medicine, Xianyang, 712046, China.
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15
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Simsek T, Rasulev B, Mayer C, Simsek S. Preparation and Characterization of Inclusion Complexes of β-Cyclodextrin and Phenolics from Wheat Bran by Combination of Experimental and Computational Techniques. Molecules 2020; 25:E4275. [PMID: 32961927 PMCID: PMC7570723 DOI: 10.3390/molecules25184275] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/10/2020] [Accepted: 09/14/2020] [Indexed: 11/24/2022] Open
Abstract
Bitterness often associated with whole wheat products may be related to phenolics in the bran. Cyclodextrins (CDs) are known to form inclusion complexes. The objective was to form inclusion complexes between β-CD and wheat phenolics. Pure phenolic acids (trans-ferulic acid (FA), caffeic acid (CA), and p-coumaric acid (CO)) and phenolic acids from wheat bran were used to investigate complex formation potential. Complexes were characterized by spectroscopy techniques, and a computational and molecular modeling study was carried out. The relative amount of complex formation between β-CD and wheat bran extract was CA > CO > FA. The phenolic compounds formed inclusion complexes with β-CDs by non-covalent bonds. The quantum-mechanical calculations supported the experimental results. The most stable complex was CO/β-CD complex. The ΔH value for CO/β-CD complex was -11.72 kcal/mol and was about 3 kcal/mol more stable than the other complexes. The QSPR model showed good correlation between binding energy and 1H NMR shift for the H5 signal. This research shows that phenolics and β-CD inclusion complexes could be utilized to improve the perception of whole meal food products since inclusion complexes have the potential to mask the bitter flavor and enhance the stability of the phenolics in wheat bran.
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Affiliation(s)
- Tuba Simsek
- Department of Physical Chemistry, Duisburg-Essen University, Universitätsstr. 2, 45141 Essen, Germany;
- Department of Plant Sciences, North Dakota State University, Fargo, ND 58102, USA
| | - Bakhtiyor Rasulev
- Department of Coatings and Polymeric Materials, North Dakota State University, Fargo, ND 58102, USA;
| | - Christian Mayer
- Department of Physical Chemistry, Duisburg-Essen University, Universitätsstr. 2, 45141 Essen, Germany;
| | - Senay Simsek
- Department of Plant Sciences, North Dakota State University, Fargo, ND 58102, USA
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16
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Trubitsina LI, Lisov AV, Belova OV, Trubitsin IV, Demin VV, Konstantinov AI, Zavarzina AG, Leontievsky AA. Transformation of low molecular compounds and soil humic acid by two domain laccase of Streptomyces puniceus in the presence of ferulic and caffeic acids. PLoS One 2020; 15:e0239005. [PMID: 32946485 PMCID: PMC7500650 DOI: 10.1371/journal.pone.0239005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2020] [Accepted: 08/27/2020] [Indexed: 11/18/2022] Open
Abstract
The two-domain bacterial laccases oxidize substrates at alkaline pH. The role of natural phenolic compounds in the oxidation of substrates by the enzyme is poorly understood. We have studied the role of ferulic and caffeic acids in the transformation of low molecular weight substrates and of soil humic acid (HA) by two-domain laccase of Streptomyces puniceus (SpSL, previously undescribed). A gene encoding a two-domain laccase was cloned from S. puniceus and over-expressed in Escherichia coli. The recombinant protein was purified by affinity chromatography to an electrophoretically homogeneous state. The enzyme showed high thermal stability, alkaline pH optimum for the oxidation of phenolic substrates and an acidic pH optimum for the oxidation of K4[Fe(CN)6] (potassium ferrocyanide) and ABTS (2,2'-azino-bis(3-ethylbenzothiazoline-6-sulfonic acid) diammonium salt). Phenolic compounds were oxidized with lower efficiency than K4[Fe(CN)6] and ABTS. The SpSL did not oxidize 3.4-dimethoxybenzoic alcohol and p-hydroxybenzoic acid neither in the absence of phenolic acids nor in their presence. The enzyme polymerized HA-the amount of its high molecular weight fraction (>80 kDa) increased at the expense of low MW fraction (10 kDa). The addition of phenolic acids as potential mediators did not cause the destruction of HA by SpSL. In the absence of the HA, the enzyme polymerized caffeic and ferulic acids to macromolecular fractions (>80 kDa and 10-12 kDa). The interaction of SpSL with HA in the presence of phenolic acids caused an increase in the amount of HA high MW fraction and a two-fold increase in the molecular weight of its low MW fraction (from 10 to 20 kDa), suggesting a cross-coupling reaction. Infrared and solution-state 1H-NMR spectroscopy revealed an increase in the aromaticity of HA after its interaction with phenolic acids. The results of the study expand our knowledge on the transformation of natural substrates by two-domain bacterial laccases and indicate a potentially important role of the enzyme in the formation of soil organic matter (SOM) at alkaline pH values.
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Affiliation(s)
- Liubov I. Trubitsina
- G. K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences (IBPhM RAS), Pushchino, Russia
| | - Alexander V. Lisov
- G. K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences (IBPhM RAS), Pushchino, Russia
| | - Oxana V. Belova
- G. K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences (IBPhM RAS), Pushchino, Russia
| | - Ivan V. Trubitsin
- G. K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences (IBPhM RAS), Pushchino, Russia
| | - Vladimir V. Demin
- Faculty of Soil Science, Lomonosov Moscow State University, Moscow, Russia
| | | | - Anna G. Zavarzina
- Faculty of Soil Science, Lomonosov Moscow State University, Moscow, Russia
| | - Alexey A. Leontievsky
- G. K. Skryabin Institute of Biochemistry and Physiology of Microorganisms, Russian Academy of Sciences (IBPhM RAS), Pushchino, Russia
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17
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Wohl J, Petersen M. Phenolic metabolism in the hornwort Anthoceros agrestis: 4-coumarate CoA ligase and 4-hydroxybenzoate CoA ligase. Plant Cell Rep 2020; 39:1129-1141. [PMID: 32405654 PMCID: PMC7419483 DOI: 10.1007/s00299-020-02552-w] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 05/02/2020] [Indexed: 05/05/2023]
Abstract
4-Coumarate coenzyme A ligase and 4-hydroxybenzoate coenzyme A ligase from the hornwort Anthoceros agrestis expressed in E. coli were characterized on biochemical and molecular levels and showed interesting substrate specificities. Acyl-activating enzymes are associated with the biosynthesis or degradation of various metabolic products such as lipids, amino acids, sugars, and natural compounds. In this work, cDNA sequences encoding 4-coumarate coenzyme A ligase (4CL) and 4-hydroxybenzoate coenzyme A ligase (4HBCL) were amplified from the hornwort Anthoceros agrestis. The coding sequences were expressed in E. coli and purified by Ni-chelate chromatography. The CoA ligases exhibited different substrate specificities. 4CL catalyzed the activation of 4-coumaric acid, 3-coumaric acid, 2-coumaric acid, caffeic acid, isoferulic acid, ferulic acid, and cinnamic acid but lacked activities towards sinapic acid and benzoic acids. In contrast, 4HBCL preferred 4-hydroxybenzoic acid and benzoic acid, but also accepted other benzoic acid derivatives except salicylic acid and 3-aminosalicylic acid. Furthermore, 4HBCL also activated isoferulic acid, cinnamic acid, 2-coumaric acid, 3-coumaric acid, 4-coumaric acid and caffeic acid, but lacked affinity for ferulic acid and sinapic acid. These substrate specificities could be related to the phenolic compounds identified in Anthoceros agrestis.
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Affiliation(s)
- Julia Wohl
- Institut für Pharmazeutische Biologie Und Biotechnologie, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037, Marburg, Germany
| | - Maike Petersen
- Institut für Pharmazeutische Biologie Und Biotechnologie, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037, Marburg, Germany.
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18
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Mitiouchkina T, Mishin AS, Somermeyer LG, Markina NM, Chepurnyh TV, Guglya EB, Karataeva TA, Palkina KA, Shakhova ES, Fakhranurova LI, Chekova SV, Tsarkova AS, Golubev YV, Negrebetsky VV, Dolgushin SA, Shalaev PV, Shlykov D, Melnik OA, Shipunova VO, Deyev SM, Bubyrev AI, Pushin AS, Choob VV, Dolgov SV, Kondrashov FA, Yampolsky IV, Sarkisyan KS. Plants with genetically encoded autoluminescence. Nat Biotechnol 2020; 38:944-946. [PMID: 32341562 PMCID: PMC7610436 DOI: 10.1038/s41587-020-0500-9] [Citation(s) in RCA: 64] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2019] [Accepted: 03/26/2020] [Indexed: 12/01/2022]
Abstract
Autoluminescent plants engineered to express a bacterial bioluminescence gene cluster in plastids have not been widely adopted because of low light output. We engineered tobacco plants with a fungal bioluminescence system that converts caffeic acid (present in all plants) into luciferin and report self-sustained luminescence that is visible to the naked eye. Our findings could underpin development of a suite of imaging tools for plants.
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Affiliation(s)
- Tatiana Mitiouchkina
- Planta LLC, Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Alexander S Mishin
- Planta LLC, Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | | | - Nadezhda M Markina
- Planta LLC, Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Tatiana V Chepurnyh
- Planta LLC, Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Elena B Guglya
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
- Pirogov Russian National Research Medical University, Moscow, Russia
| | - Tatiana A Karataeva
- Planta LLC, Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Kseniia A Palkina
- Planta LLC, Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Ekaterina S Shakhova
- Planta LLC, Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Liliia I Fakhranurova
- Planta LLC, Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | | | - Aleksandra S Tsarkova
- Planta LLC, Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
- Institute of Biophysics, Krasnoyarsk Science Center of the Siberian Branch of the Russian Academy of Sciences, Krasnoyarsk, Russia
| | | | | | | | | | - Dmitry Shlykov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Olesya A Melnik
- Planta LLC, Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Victoria O Shipunova
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Sergey M Deyev
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Andrey I Bubyrev
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Alexander S Pushin
- Planta LLC, Moscow, Russia
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | - Vladimir V Choob
- Botanical Garden of Lomonosov Moscow State University, Moscow, Russia
| | - Sergey V Dolgov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia
| | | | - Ilia V Yampolsky
- Planta LLC, Moscow, Russia.
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.
- Pirogov Russian National Research Medical University, Moscow, Russia.
| | - Karen S Sarkisyan
- Planta LLC, Moscow, Russia.
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.
- Synthetic Biology Group, MRC London Institute of Medical Sciences, London, UK.
- Institute of Clinical Sciences, Faculty of Medicine and Imperial College Centre for Synthetic Biology, Imperial College London, London, UK.
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Stănciuc N, Râpeanu G, Bahrim GE, Aprodu I. The Interaction of Bovine β-Lactoglobulin with Caffeic Acid: From Binding Mechanisms to Functional Complexes. Biomolecules 2020; 10:biom10081096. [PMID: 32718063 PMCID: PMC7464270 DOI: 10.3390/biom10081096] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 07/17/2020] [Accepted: 07/20/2020] [Indexed: 01/06/2023] Open
Abstract
In this study, the interaction of native and transglutaminase (Tgase) cross-linked β-lactoglobulin (β-LG) with caffeic acid (CA) was examined, aiming to obtain functional composites. Knowledge on the binding affinity and interaction mechanism was provided by performing fluorescence spectroscopy measurements, after heating the native and cross-linked protein at temperatures ranging from 25 to 95 °C. Regardless of the protein aggregation state, a static quenching mechanism of intrinsic fluorescence of β-LG by CA was established. The decrease of the Stern–Volmer constants with the temperature increase indicating the facile dissociation of the weakly bound complexes. The thermodynamic analysis suggested the existence of multiple contact types, such as Van der Waals’ force and hydrogen bonds, between β-LG and CA. Further molecular docking tests indicated the existence of various CA binding sites on the β-LG surface heat-treated at different temperatures. Anyway, regardless of the simulated temperature, the CA-β-LG assemblies appeared to be unstable. Compared to native protein, the CA-β-LG and CA-β-LGTgase complexes (ratio 1:1) exhibited significantly higher antioxidant activity and inhibitory effects on α-glucosidase, α-amylase, and pancreatic lipase, enzymes associated with metabolic syndrome. These findings might help the knowledge-based development of novel food ingredients with valuable biological properties.
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Nazir M, Asad Ullah M, Mumtaz S, Siddiquah A, Shah M, Drouet S, Hano C, Abbasi BH. Interactive Effect of Melatonin and UV-C on Phenylpropanoid Metabolite Production and Antioxidant Potential in Callus Cultures of Purple Basil ( Ocimum basilicum L. var.s purpurascens). Molecules 2020; 25:E1072. [PMID: 32121015 PMCID: PMC7179200 DOI: 10.3390/molecules25051072] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 02/21/2020] [Accepted: 02/21/2020] [Indexed: 01/01/2023] Open
Abstract
The present study evaluated the interactive effect of melatonin and UV-C on phenylpropanoid metabolites profile and antioxidant potential of Ocimum basilicum L. Callus was treated with varying concentrations of melatonin and UV-C radiations for different time durations, either alone and/or in combination. Individual treatments of both UV-C and melatonin proved to be more effective than combine treatments. Results indicated that UV-C (10 min) exposure increased rosmarinic acid (134.5 mg/g dry weight (DW)), which was 2.3-fold greater than control. Chichoric acid (51.52 mg/g DW) and anthocyanin (cyanide 0.50 mg/g DW) were almost 4.1-fold, while peonidin was found 2.7-fold higher in UV-C (50 min) exposure. In the case of melatonin, 1.0 mg/L concentrations showed maximum rosmarinic acid (79.4 mg/g DW) accumulation; i.e., 1.4-fold more, as compared to the control. However, 2 mg/L melatonin accumulate chichoric acid (39.99 mg/g DW) and anthocyanin (cyanide: 0.45 mg/g DW and peonidin: 0.22 mg/g DW); i.e., 3.2, 3.7 and 2.0-fold increase, as compared to the control, respectively. On the other hand, melatonin-combined treatment (melatonin (Mel) (4 mg/L) + UV-C (20 min)) was proved to be effective in caffeic acid elicitation, which was 1.9-fold greater than the control. Furthermore, antioxidant potential was evaluated by both in vitro (DPPH, ABTS and FRAP assays) and in cellulo methods. Maximum in vitro antioxidant activity (DPPH: 90.6% and ABTS: 1909.5 µM) was observed for UV-C (50 min)-treated cultures. The highest in vitro antioxidant activity measured with the ABTS assay as compared to the FRAP assay, suggesting the main contribution of antioxidants from basil callus extracts acting through a hydrogen atom transfer (HAT) over an electron transfer (ET)-based mechanism. Cellular antioxidant assay was evaluated by production of ROS/RNS species using yeast cell cultures and further confirmed the protective action of the corresponding callus extracts against oxidative stress. Overall, both melatonin and UV-C are here proved to be effective elicitors since a positive correlation between the induced production of phenolic compounds, and in cellulo antioxidant action of basil callus extracts were observed.
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Affiliation(s)
- Munazza Nazir
- Department of Biotechnology, Quaid-i-Azam University, Islamabad-45320, Pakistan; (M.N.); (M.A.U.); (A.S.); (M.S.)
- Department of Botany, University of Azad Jammu &Kashmir, Muzaffarabad, Azad Kashmir 13230, Pakistan
| | - Muhammad Asad Ullah
- Department of Biotechnology, Quaid-i-Azam University, Islamabad-45320, Pakistan; (M.N.); (M.A.U.); (A.S.); (M.S.)
| | - Sadia Mumtaz
- Department of Biotechnology, Women University of Azad Jammu &Kashmir Bagh, Azad Kashmir 12500, Pakistan;
| | - Aisha Siddiquah
- Department of Biotechnology, Quaid-i-Azam University, Islamabad-45320, Pakistan; (M.N.); (M.A.U.); (A.S.); (M.S.)
| | - Muzamil Shah
- Department of Biotechnology, Quaid-i-Azam University, Islamabad-45320, Pakistan; (M.N.); (M.A.U.); (A.S.); (M.S.)
| | - Samantha Drouet
- Laboratoire de Biologie des Ligneux et des Grandes Cultures (LBLGC), INRA USC1328, Université d’Orléans, 45067 Orléans CEDEX 2, France or or (S.D.)
| | - Christophe Hano
- Laboratoire de Biologie des Ligneux et des Grandes Cultures (LBLGC), INRA USC1328, Université d’Orléans, 45067 Orléans CEDEX 2, France or or (S.D.)
| | - Bilal Haider Abbasi
- Department of Biotechnology, Quaid-i-Azam University, Islamabad-45320, Pakistan; (M.N.); (M.A.U.); (A.S.); (M.S.)
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21
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Salmanzadeh M, Sabet MS, Moieni A, Homaee M. Heterologous expression of an acid phosphatase gene and phosphate limitation leads to substantial production of chicoric acid in Echinacea purpurea transgenic hairy roots. Planta 2019; 251:31. [PMID: 31823013 DOI: 10.1007/s00425-019-03317-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 11/25/2019] [Indexed: 05/10/2023]
Abstract
A high level of the secondary metabolite chicoric acid is produced by intracellular Pi supply and extracellular phosphate limiting in Echinacea purpurea hairy roots. Chicoric acid (CA) is a secondary metabolite which is gained from Echinacea purpurea. It has been found to be one of the most potent HIV integrase inhibitors with antioxidant and anti-inflammatory activities. However, the low-biosynthesis level of this valuable compound becomes an inevitable obstacle limiting further commercialization. Environmental stresses, such as phosphorus (Pi) deficiency, stimulate the synthesis of chemical metabolites, but significantly reduce plant growth and biomass production. To overcome the paradox of dual opposite effect of Pi limitation, we examined the hypothesis that the intracellular Pi supply and phosphate-limiting conditions enhance the total CA production in E. purpurea hairy roots. For this purpose, the coding sequence (CDS) of a purple acid phosphatase gene from Arabidopsis thaliana, AtPAP26, under CaMV-35S promoter was overexpressed in E. purpurea using Agrobacterium rhizogenes strain R15834. The transgenic hairy roots were cultured in a Pi-sufficient condition to increase the cellular phosphate metabolism. A short-term Pi starvation treatment of extracellular phosphate was applied to stimulate genes involved in CA biosynthesis pathway. The overexpression of AtPAP26 gene significantly increased the total APase activity in transgenic hairy roots compared to the non-transgenic roots under Pi-sufficient condition. Also, the transgenic hairy roots showed increase in the level of total and free phosphate, and in root fresh and dry weights compared to the controls. In addition, the phosphate limitation led to significant increase in the expression level of the CA biosynthesis genes. Considering the increase of biomass production in transgenic vs. non-transgenic hairy roots, a 16-fold increase was obtained in the final yield of CA for transgenic E. purpurea roots grown under -P condition compared to +P non-transgenic roots. Our results suggested that the expression of phosphatase genes and phosphate limitation were significantly effective in enhancing the final production yield and large-scale production of desired secondary metabolites in medicinal plant hairy roots.
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Affiliation(s)
- Meisam Salmanzadeh
- Department of Agricultural Biotechnology, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Sadegh Sabet
- Department of Plant Genetics and Breeding, Faculty of Agriculture, Tarbiat Modares University, Tehran, 14115-336, Iran.
| | - Ahmad Moieni
- Department of Plant Genetics and Breeding, Faculty of Agriculture, Tarbiat Modares University, Tehran, 14115-336, Iran
| | - Mehdi Homaee
- Department of Irrigation and Drainage, Tarbiat Modares University, Tehran, Iran
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22
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Irmisch S, Jancsik S, Yuen MMS, Madilao LL, Bohlmann J. Biosynthesis of the anti-diabetic metabolite montbretin A: glucosylation of the central intermediate mini-MbA. Plant J 2019; 100:879-891. [PMID: 31400245 PMCID: PMC6899944 DOI: 10.1111/tpj.14493] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 07/30/2019] [Accepted: 08/05/2019] [Indexed: 05/16/2023]
Abstract
Type 2 diabetes (T2D) affects over 320 million people worldwide. Healthy lifestyles, improved drugs and effective nutraceuticals are different components of a response against the growing T2D epidemic. The specialized metabolite montbretin A (MbA) is being developed for treatment of T2D and obesity due to its unique pharmacological activity as a highly effective and selective inhibitor of the human pancreatic α-amylase. MbA is an acylated flavonol glycoside found in small amounts in montbretia (Crocosmia × crocosmiiflora) corms. MbA cannot be obtained in sufficient quantities for drug development from its natural source or by chemical synthesis. To overcome these limitations through metabolic engineering, we are investigating the genes and enzymes of MbA biosynthesis. We previously reported the first three steps of MbA biosynthesis from myricetin to myricetin 3-O-(6'-O-caffeoyl)-glucosyl rhamnoside (mini-MbA). Here, we describe the sequence of reactions from mini-MbA to MbA, and the discovery and characterization of the gene and enzyme responsible for the glucosylation of mini-MbA. The UDP-dependent glucosyltransferase CcUGT3 (UGT703E1) catalyzes the 1,2-glucosylation of mini-MbA to produce myricetin 3-O-(glucosyl-6'-O-caffeoyl)-glucosyl rhamnoside. Co-expression of CcUGT3 with genes for myricetin and mini-MbA biosynthesis in Nicotiana benthamiana validated its biological function and expanded the set of genes available for metabolic engineering of MbA.
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Affiliation(s)
- Sandra Irmisch
- Michael Smith LaboratoriesUniversity of British Columbia2185 East MallVancouverBCV6T 1Z4Canada
| | - Sharon Jancsik
- Michael Smith LaboratoriesUniversity of British Columbia2185 East MallVancouverBCV6T 1Z4Canada
| | - Macaire M. S. Yuen
- Michael Smith LaboratoriesUniversity of British Columbia2185 East MallVancouverBCV6T 1Z4Canada
| | - Lufiani L. Madilao
- Michael Smith LaboratoriesUniversity of British Columbia2185 East MallVancouverBCV6T 1Z4Canada
| | - Jörg Bohlmann
- Michael Smith LaboratoriesUniversity of British Columbia2185 East MallVancouverBCV6T 1Z4Canada
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Zhou F, Teng L, Liu Y, Ma Y, Chen W, Bi L. Elaboration of the Comprehensive Metabolic Profile of Salvianolic Acid A in Vivo and in Vitro Using UFLC-Q/TOF-MS. J Agric Food Chem 2019; 67:12199-12207. [PMID: 31595753 DOI: 10.1021/acs.jafc.9b04131] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Salvianolic acid A (Sal A) has a wide range of pharmacological activities. To date, there have been no systematic and detailed metabolite research data of Sal A after oral administration in vitro and in vivo. In this study, a rapid and systematic method based on ultrafast liquid chromatography-quadrupole-time-of-flight mass spectrometry was developed to detect metabolites of Sal A in vitro (human liver microsome, human intestinal microbiota, artificial gastric, and intestinal juice) and in vivo (urine, plasma, feces, and various organs collected after oral administration of Sal A to normal rats and pseudo-germ-free rats). A total of 26 metabolites of Sal A were characterized. These metabolites were formed through extensive metabolic reactions, such as hydroxylation, hydrogenation, and glucuronidation reactions. This study provides novel possibility for exploring the potential biological mechanism of Sal A, and aids the promotion of clinical application.
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Affiliation(s)
- Fuqiong Zhou
- Central Laboratory, Affiliated Nanjing Hospital of Chinese Medicine , Nanjing University of Chinese Medicine , 157 Daming Road , Nanjing , Jiangsu 210012 , China
- School of Preclinical Medicine , Nanjing University of Chinese Medicine , 138 Xianlin Road , Nanjing , Jiangsu 210023 , China
| | - Linxin Teng
- School of Preclinical Medicine , Nanjing University of Chinese Medicine , 138 Xianlin Road , Nanjing , Jiangsu 210023 , China
| | - Yu Liu
- School of Preclinical Medicine , Nanjing University of Chinese Medicine , 138 Xianlin Road , Nanjing , Jiangsu 210023 , China
| | - Yanxia Ma
- School of Preclinical Medicine , Nanjing University of Chinese Medicine , 138 Xianlin Road , Nanjing , Jiangsu 210023 , China
| | - Weiping Chen
- School of Preclinical Medicine , Nanjing University of Chinese Medicine , 138 Xianlin Road , Nanjing , Jiangsu 210023 , China
| | - Lei Bi
- School of Preclinical Medicine , Nanjing University of Chinese Medicine , 138 Xianlin Road , Nanjing , Jiangsu 210023 , China
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24
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Wang Z, Nur FA, Ma J, Wang J, Cao C. Effects of poplar secondary metabolites on performance and detoxification enzyme activity of Lymantria dispar. Comp Biochem Physiol C Toxicol Pharmacol 2019; 225:108587. [PMID: 31401083 DOI: 10.1016/j.cbpc.2019.108587] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 07/31/2019] [Accepted: 08/06/2019] [Indexed: 11/23/2022]
Abstract
To identify the effects of poplar secondary metabolites on Lymantria dispar, six poplar secondary metabolites (i.e., caffeic acid, salicin, rutin, quercetin, flavone, and catechol) and three mixtures containing characteristic secondary metabolites in poplar were selected. Mixture 1 contained flavone and salicin, mixture 2 contained salicin, caffeic acid, and catechol, and mixture 3 contained flavone, catechol, and caffeic acid. Mixtures were added to artificial diets used to feed 2nd instar L. dispar larvae. The effects of different secondary metabolites on larval growth and development, antifeedant activity, nutrient utilization, and detoxifying enzymatic activity were investigated. Results revealed that there were different influences on L. dispar larvae. The maximum antifeedant rate of flavone was 87.58%. Larvae treated with mixture 2 had a significantly longer development time of 5.61 d with a survival rate of 38.75% for 15 d, which is lower than a single secondary metabolite. No L. dispar larvae survived on feeding diets containing flavone for 7 d. An increase in GST and P450 activities in larvae was significantly induced during the 72 h feeding on artificial diets containing experimental secondary metabolites. After treatment containing salicin and flavone for 24-72 h, P450 activity increased at first then decreased. These results provide a foundation for further investigation on the host selection and underlying adaptation mechanisms in L. dispar.
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Affiliation(s)
- Zhenyue Wang
- Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, School of Forestry, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Faidah Arina Nur
- Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, School of Forestry, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Jingyi Ma
- Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, School of Forestry, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Jianguo Wang
- Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, School of Forestry, Northeast Forestry University, Harbin 150040, People's Republic of China
| | - Chuanwang Cao
- Key Laboratory of Sustainable Forest Ecosystem Management-Ministry of Education, School of Forestry, Northeast Forestry University, Harbin 150040, People's Republic of China.
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25
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Khushdil F, Jan FG, Jan G, Hamayun M, Iqbal A, Hussain A, Bibi N. Salt stress alleviation in Pennisetum glaucum through secondary metabolites modulation by Aspergillus terreus. Plant Physiol Biochem 2019; 144:127-134. [PMID: 31563093 DOI: 10.1016/j.plaphy.2019.09.038] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Revised: 09/22/2019] [Accepted: 09/23/2019] [Indexed: 05/01/2023]
Abstract
The growth promoting activities of the isolated endophyte Aspergillus terreus from Aloe barbendsis was studied in the salt stressed Pennisetum glaucum (pearl millet). A significant (P = 0.05) increase in the root-shoot lengths, fresh and dry weights and chlorophyll content of pearl millet seedlings was noticed after colonization by A. terreus under normal conditions. At 100 mM NaCl stress and A. terreus inoculation, the growth rate of pearl millet seedlings were significantly (P = 0.05) inhibited. Furthermore, the IAA production, relative water content (RWC), chlorophyll, soluble sugar, phenol and flavonoid contents were significantly decreased, whereas proline content and lipid peroxidation were increased. On the contrary, pearl millet seedlings inoculated with A. terreus retained significantly (P = 0.05) higher amounts of RWC, chlorophyll, soluble sugar, phenol and flavonoid contents under 100 mM salt stress. The higher IAA production in A. terreus associated seedlings rescued the plant growth and development under salt stress. Moreover, the LC MS/MS analysis of A. terreus cultural filtrate revealed the presence of quinic acid, ellagic acid, calycosin, wogonin, feruloylquinic acid, caffeic acid phenylethyl ester, D-glucoside, myricetin, propoxyphene and aminoflunitrazepam. The results of the study conclude that innoculation of A. terreus improves the NaCl tolerance in pearl millet by ameliorating the physicochemical attributes of the host plants.
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Affiliation(s)
- Faiza Khushdil
- Department of Botany, Garden Campus, Abdul Wali Khan University Mardan, Pakistan
| | - Farzana Gul Jan
- Department of Botany, Garden Campus, Abdul Wali Khan University Mardan, Pakistan
| | - Gul Jan
- Department of Botany, Garden Campus, Abdul Wali Khan University Mardan, Pakistan
| | - Muhammad Hamayun
- Department of Botany, Garden Campus, Abdul Wali Khan University Mardan, Pakistan.
| | - Amjad Iqbal
- Department of Agriculture, Garden Campus, Abdul Wali Khan University Mardan, Pakistan.
| | - Anwar Hussain
- Department of Botany, Garden Campus, Abdul Wali Khan University Mardan, Pakistan
| | - Nusrat Bibi
- Department of Botany, Garden Campus, Abdul Wali Khan University Mardan, Pakistan
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26
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An BH, Jeong H, Kim JH, Park S, Jeong JH, Kim MJ, Chang M. Estrogen Receptor-Mediated Transcriptional Activities of Spent Coffee Grounds and Spent Coffee Grounds Compost, and Their Phenolic Acid Constituents. J Agric Food Chem 2019; 67:8649-8659. [PMID: 31283213 DOI: 10.1021/acs.jafc.9b02452] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Spent coffee grounds (SCG) are the most abundant coffee byproduct and are generally discarded as waste. The horticultural use of SCG and SCG compost (SCGC) has become popular due to a growing interest in environmentally friendly measures for waste disposal. Estrogen-like endocrine disrupting chemicals in the soil can be absorbed by plants and subsequently by humans who consume these plants. The objectives of this study are to determine the phytochemical profiles of extracts of SCG and SCGC and to evaluate the estrogen-like activities of SCG, SCGC, and the major coffee phenolic acids, specifically, 5-O-caffeoylquinic acid (CQA), caffeic acid, and ferulic acid. Their inductive effects on estrogen receptor (ER)-mediated gene transcription have been examined in cultured cell lines. CQA was the most abundant phenolic acid in SCG and SCGC and was further examined for its ER-mediated estrogen-like activity using various assays. This is the first study to report the estrogen-like signaling activities of coffee byproducts and their major constituents.
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Affiliation(s)
- Byoung Ha An
- Graduate School of Biological Sciences , Sookmyung Women's University , 100 Chungparo 47-gil , Seoul 04310 , Republic of Korea
| | - Hyesoo Jeong
- Graduate School of Biological Sciences , Sookmyung Women's University , 100 Chungparo 47-gil , Seoul 04310 , Republic of Korea
| | - Jin-Hee Kim
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences , Yonsei University , 85 Songdogwahak-ro , Yeonsu-gu, Incheon 21983 , Republic of Korea
| | - Sujeong Park
- Graduate School of Biological Sciences , Sookmyung Women's University , 100 Chungparo 47-gil , Seoul 04310 , Republic of Korea
| | - Jin-Hyun Jeong
- College of Pharmacy, Yonsei Institute of Pharmaceutical Sciences , Yonsei University , 85 Songdogwahak-ro , Yeonsu-gu, Incheon 21983 , Republic of Korea
| | - Min Jung Kim
- Department of Biological Science, College of Science , Sookmyung Women's University , 100 Chungparo 47-gil , Seoul 04310 , Republic of Korea
- Research Institute of Women's Health , Sookmyung Women's University , 100 Chungparo 47-gil , Seoul 04310 , Republic of Korea
| | - Minsun Chang
- Department of Biological Science, College of Science , Sookmyung Women's University , 100 Chungparo 47-gil , Seoul 04310 , Republic of Korea
- Research Institute of Women's Health , Sookmyung Women's University , 100 Chungparo 47-gil , Seoul 04310 , Republic of Korea
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27
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Werner V, Petersen M. A BAHD hydroxycinnamoyltransferase from Actaea racemosa catalyses the formation of fukinolic and cimicifugic acids. Planta 2019; 250:475-485. [PMID: 31069522 DOI: 10.1007/s00425-019-03181-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Accepted: 05/03/2019] [Indexed: 06/09/2023]
Abstract
The nucleotide sequence of a BAHD hydroxycinnamoyltransferase was amplified from Actaea racemosa (Ranunculaceae) and expressed in E. coli. The protein catalysed the formation of cimicifugic acids and thus is named hydroxycinnamoyl-CoA:piscidic acid hydroxycinnamoyltransferase (ArHPT1; cimicifugic acid synthase). Actaea racemosa (syn. Cimicifuga racemosa) is known to contain triterpene lactone glycosides and cimicifugic acids. The latter are esters of various hydroxycinnamic or benzoic acids with piscidic or fukiic acid. Amplification of a nucleotide sequence from A. racemosa, that was already known as HCT1 from an EST approach, and its expression in E. coli resulted in a protein that was able to catalyse the formation of several cimicifugic acids. For the characterisation of this hydroxycinnamoyltransferase (hydroxy)cinnamoyl-coenzyme A thioesters were synthesised as donor substrates and piscidic acid isolated as acceptor substrate. The lowest Km-value with 6.8 µM was determined for p-coumaroyl-CoA. More than 30 possible acceptor substrates were tested, but only piscidic acid and putatively fukiic acid were accepted. The apparent Km-value for piscidic acid was 32.3 µM. High expression of the hydroxycinnamoyltransferase gene was found in roots, but the content of cimicifugic acids was higher in leaves and flowers than in roots. This work describes for the first time a biosynthetic step in the formation of cimicifugic acids catalysed by a so far uncharacterised hydroxycinnamoyltransferase accepting piscidic acid as acceptor substrate thus being a hydroxycinnamoyl-CoA:piscidic acid hydroxycinnamoyltransferase (ArHPT1; cimicifugic acid synthase).
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Affiliation(s)
- Victoria Werner
- Institut für Pharmazeutische Biologie und Biotechnologie, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037, Marburg, Germany
| | - Maike Petersen
- Institut für Pharmazeutische Biologie und Biotechnologie, Philipps-Universität Marburg, Robert-Koch-Str. 4, 35037, Marburg, Germany.
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Pelinson LP, Assmann CE, Palma TV, da Cruz IBM, Pillat MM, Mânica A, Stefanello N, Weis GCC, de Oliveira Alves A, de Andrade CM, Ulrich H, Morsch VMM, Schetinger MRC, Bagatini MD. Antiproliferative and apoptotic effects of caffeic acid on SK-Mel-28 human melanoma cancer cells. Mol Biol Rep 2019; 46:2085-2092. [PMID: 30719606 DOI: 10.1007/s11033-019-04658-1] [Citation(s) in RCA: 55] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 01/28/2019] [Indexed: 01/09/2023]
Abstract
Cutaneous melanoma (CM) is an extremely aggressive cancer presenting low survival and high mortality. The vast majority of patients affected by this disease does not respond or show resistance to the chemotherapeutic drugs, which makes the treatment ineffective. In this sense, the necessity for the development of new agents to assist in CM therapy is extremely important. One of the sources of great interest in this search are compounds of natural origin. Among these compounds, caffeic acid has demonstrated a broad spectrum of pharmacological activities as well as antitumor effects in some types of cancer. Therefore, the objective of this work was to investigate the possible antitumor effect of caffeic acid on the SK-Mel-28 cell line, human CM cells. Cells were cultured in flasks with culture medium containing fetal bovine serum, antibiotic, and antifungal, and maintained in ideal conditions. Cells were treated with 25 µM, 50 µM, 100 µM, 150 µM and 200 µM of caffeic acid and dacarbazine at 1 mg/mL. We verified the effect on cell viability and cell death, apoptosis, cell cycle, colony formation and gene expression of caspases. Results showed a decrease in cell viability, cell death induction by apoptosis, inhibition of colony formation, modulation of cell cycle and alterations in gene expression of caspases after caffeic acid treatment. These results suggest an antitumor effect of the compound on SK-Mel-28 cells. This study provides original information on mechanisms by which caffeic acid may play a key role in preventing tumor progression in human melanoma cells.
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Affiliation(s)
| | | | - Taís Vidal Palma
- Laboratory of Oxidative Biochemistry, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | | | - Micheli Mainardi Pillat
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, SP, Brazil
| | - Aline Mânica
- PPGBtox, CCNE, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | - Naiara Stefanello
- PPGBtox, CCNE, Federal University of Santa Maria, Santa Maria, RS, Brazil
| | | | | | | | - Henning Ulrich
- Department of Biochemistry, Institute of Chemistry, University of São Paulo, São Paulo, SP, Brazil
| | | | | | - Margarete Dulce Bagatini
- PPGBtox, CCNE, Federal University of Santa Maria, Santa Maria, RS, Brazil.
- Academic Coordination, Federal University of Fronteira Sul, Campus Chapecó, Chapecó, SC, Brazil.
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29
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Yilmaz S. Effects of dietary caffeic acid supplement on antioxidant, immunological and liver gene expression responses, and resistance of Nile tilapia, Oreochromis niloticus to Aeromonas veronii. Fish Shellfish Immunol 2019; 86:384-392. [PMID: 30502464 DOI: 10.1016/j.fsi.2018.11.068] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 09/26/2018] [Accepted: 11/27/2018] [Indexed: 06/09/2023]
Abstract
The present study investigated the effects of dietary caffeic acid on haematological, serum biochemical, non-specific immune and liver gene expression responses of Nile tilapia, Oreochromis niloticus. Five experimental groups of fish with mean weights of 89.85 ± 2.5 g were used in the study; three of them were fed with caffeic acid incorporated diets (1 g kg-1-Caf1, 5 g kg-1-Caf5, 10 g kg-1-Caf10), whereas an additive free basal diet served as the control. Additionally, the fifth group was an antibiotic medicated diet (0.02 g kg-1-AMF), prepared with the florfenicol. Dietary caffeic acid especially at 5 g kg-1 significantly increased phagocytic index, potential killing activity, respiratory burst activity, serum myeloperoxidase activity and serum catalase activity. Furthermore, increased levels of immune expression [heat shock protein 70 (HSP70), interleukin 1, beta (IL-1β), tumor necrosis factor (TNF-α), CC-chemokine (CC1), interleukin 8 (IL-8), toll-like receptor 7 (tlr-7), interferon gamma (IFN-γ) and immunoglobulin M (IgM)] and antioxidant related genes [superoxide dismutase (SOD), catalase (CAT) and glutathione peroxidase (GPx)] in the liver of fish fed with 5 g kg-1 caffeic acid. At the end of the 20-day challenge period the survival rates were significantly higher in the Caf5 and AMF groups compared to all other treatment groups. As a result, feeding Nile tilapia with a diet containing 5 g kg-1 caffeic acid over a period of 60 days might be adequate to improve fish immune parameters, antioxidant status, as well as survival rate against A. veronii, similar to antibiotic treatment. Thus caffeic acid can be suggested as a dietary substitute for antibiotic to prevent A. veronii in tilapia.
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Affiliation(s)
- Sevdan Yilmaz
- Department of Aquaculture, Faculty of Marine Sciences and Technology, Canakkale Onsekiz Mart University, Canakkale, 17100, Turkey.
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30
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Islam M, Shehzadi N, Salman M, Zahid F, Qamar S, Danish MZ, Saeed H, Hashmi FK, Khan HM, Khan MT, Bukhari NI, Hussain K. Metabolomics and marker-based stability studies of methanol extract of seeds of Syzygium cumini L. Pak J Pharm Sci 2019; 32:499-504. [PMID: 31081758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Though, herbal medicines are prone to deterioration upon storage due to their complex nature, but less attention has been paid to investigating stability of such products to assign shelf-life. Therefore, the present study aimed to assess the accelerated stability of methanolic extract of seeds of Syzygium cumini. The extract was kept at three different storage conditions (30oC/60% RH, 40oC/75% RH and 60oC/85% RH) for a period of 6 months. The samples withdrawn at 0 (before starting the study), 1, 2, 3, 4 and 6 months were analyzed to get UV-Visible metabolomics fingerprints and determine caffeic acid contents using RP-HPLC. The comparison of metabolomics fingerprints indicated that the extract was stable for 1 month at all the three storage conditions. However, caffeic acid contents were found to be intact for a longer period of time. Following the zero order degradation, caffeic acid was predicted to be stable for more than 3 years, if kept at 25oC. The results of the present study indicate that metabolomes of methanol extract of seeds of Syzygium cumini change very fast, suggesting the development of stable formulations.
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Affiliation(s)
- Muhammad Islam
- Punjab University College of Pharmacy, University of the Punjab, Allama Iqbal Campus, Lahore, Pakistan
| | - Naureen Shehzadi
- Punjab University College of Pharmacy, University of the Punjab, Allama Iqbal Campus, Lahore, Pakistan
| | - Muhammad Salman
- Punjab University College of Pharmacy, University of the Punjab, Allama Iqbal Campus, Lahore, Pakistan
| | - Fakhra Zahid
- Punjab University College of Pharmacy, University of the Punjab, Allama Iqbal Campus, Lahore, Pakistan
| | - Shaista Qamar
- Punjab University College of Pharmacy, University of the Punjab, Allama Iqbal Campus, Lahore, Pakistan
| | - Muhammad Z Danish
- Punjab University College of Pharmacy, University of the Punjab, Allama Iqbal Campus, Lahore, Pakistan
| | - Hamid Saeed
- Punjab University College of Pharmacy, University of the Punjab, Allama Iqbal Campus, Lahore, Pakistan
| | - Furqan K Hashmi
- Punjab University College of Pharmacy, University of the Punjab, Allama Iqbal Campus, Lahore, Pakistan
| | - Humaira M Khan
- Institute of Pharmaceutical Sciences, Lahore College for Women University, Lahore, Pakistan
| | - Muhammad T Khan
- Department of Pharmacy, The University of Lahore, Lahore, Pakistan
| | - Nadeem I Bukhari
- Punjab University College of Pharmacy, University of the Punjab, Allama Iqbal Campus, Lahore, Pakistan
| | - Khalid Hussain
- Punjab University College of Pharmacy, University of the Punjab, Allama Iqbal Campus, Lahore, Pakistan
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Abstract
Caffeic acid phenethyl ester (CAPE) is an ester of a hydroxycinnamic acid (phenylpropanoid) and a phenylethanoid (2-phenylethanol; 2-PE), which has long been used in traditional medicine. Here, we synthesized 54 hydroxycinnamic acid-phenylethanoid esters by feeding 64 combinations of hydroxycinnamic acids and phenylethanols to Escherichia coli harboring the rice genes OsPMT and Os4CL. The same approach was applied for ester synthesis with caffeic acid and eight different phenyl alcohols. Two hydroxycinnamoyl phenethyl esters, p-coumaroyl tyrosol and CAPE, were also synthesized from glucose using engineered E. coli by introducing genes for the synthesis of substrates. Consequently, we synthesized approximately 393.4 mg/L p-coumaroyl tyrosol and 23.8 mg/L CAPE with this approach. Overall, these findings demonstrate that the rice PMT and 4CL proteins can be used for the synthesis of diverse hydroxycinnamoyl phenylethanoid esters owing to their promiscuity and that further exploration of the biological activities of these compounds is warranted.
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Affiliation(s)
- Min Kyung Song
- Department of Bioscience and Biotechnology, Bio/Molecular Informatics Center , Konkuk University , Seoul 05029 , Republic of Korea
| | - A Ra Cho
- Department of Bioscience and Biotechnology, Bio/Molecular Informatics Center , Konkuk University , Seoul 05029 , Republic of Korea
| | - GeunYoung Sim
- Department of Bioscience and Biotechnology, Bio/Molecular Informatics Center , Konkuk University , Seoul 05029 , Republic of Korea
| | - Joong-Hoon Ahn
- Department of Bioscience and Biotechnology, Bio/Molecular Informatics Center , Konkuk University , Seoul 05029 , Republic of Korea
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32
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Sun L, Warren FJ, Gidley MJ, Guo Y, Miao M. Mechanism of binding interactions between young apple polyphenols and porcine pancreatic α-amylase. Food Chem 2019; 283:468-474. [PMID: 30722900 DOI: 10.1016/j.foodchem.2019.01.087] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2018] [Revised: 01/05/2019] [Accepted: 01/06/2019] [Indexed: 12/18/2022]
Abstract
The binding interactions between young apple polyphenols and porcine pancreatic α-amylase were investigated through isothermal titration calorimetry (ITC), differential scanning calorimetry (DSC) and molecular docking. The results obtained were compared with those obtained through inhibition kinetics and fluorescence quenching. It was found that binding of tannic acid, chlorogenic acid, caffeic acid and epicatechin with α-amylase is an exothermal process, with the binding constants in the order of tannic acid > chlorogenic acid > caffeic acid > epicatechin. This is consistent with the orders of reciprocal of competitive inhibition constant and fluorescence quenching constant. The binding energy obtained through molecular docking showed the same order, except for epicatechin. These results are consistent with the inhibition of α-amylase being caused by the binding of the polyphenols with the enzyme. In addition, from the fluorescence quenching and DSC data, total polyphenols, tannic acid, chlorogenic acid and caffeic acid were found to partially unfold the enzyme structure.
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Affiliation(s)
- Lijun Sun
- College of Food Science and Engineering, Northwest A&F University, Yangling, Shaanxi, China
| | - Frederick J Warren
- Quadram Institute Bioscience, Norwich Research Park, Norwich NR4 7UA, UK
| | - Michael J Gidley
- Centre for Nutrition and Food Sciences, Queensland Alliance for Agriculture and Food Innovation, The University of Queensland, St. Lucia, Brisbane, Queensland 4072, Australia
| | - Yurong Guo
- College of Food Engineering and Nutritional Science, Shaanxi Normal University, Xi'an 710062, PR China.
| | - Ming Miao
- State Key Laboratory of Food Science & Technology, Jiangnan University, 1800 Lihu Avenue, Wuxi, Jiangsu 214122, PR China.
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Hosseini R, Moosavi F, Silva T, Rajaian H, Hosseini SY, Bina S, Saso L, Miri R, Borges F, Firuzi O. Modulation of ERK1/2 and Akt Pathways Involved in the Neurotrophic Action of Caffeic Acid Alkyl Esters. Molecules 2018; 23:molecules23123340. [PMID: 30562988 PMCID: PMC6321311 DOI: 10.3390/molecules23123340] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2018] [Revised: 12/09/2018] [Accepted: 12/13/2018] [Indexed: 11/21/2022] Open
Abstract
Neurodegenerative diseases affect millions of human lives all over the world. The number of afflicted patients is rapidly growing, and disease-modifying agents are urgently needed. Caffeic acid, an important member of the hydroxycinnamic acid family of polyphenols, has considerable neurotrophic effects. We have previously shown how caffeate alkyl ester derivatives significantly promote survival and differentiation in neuronal cells. In this study, the mechanisms by which these ester derivatives exert their neurotrophic effects are examined. A series of eight caffeic acid esters with different alkyl chain lengths, ranging from methyl (CAF1) to dodecyl esters (CAF8), were synthesized and studied for their influence on neurotrophic signaling pathways. Caffeate esters did not induce tropomyosin-receptor kinase A (TrkA) phosphorylation, which was assessed by immunoblotting up to a concentration of 25 µM. NIH/3T3 cells overexpressing TrkA were generated to further examine phosphorylation of this receptor tyrosine kinase. None of the esters induced TrkA phosphorylation in these cells either. Assessment of the effect of caffeate derivatives on downstream neurotrophic pathways by immunoblotting showed that the most potent esters, decyl caffeate (CAF7) and dodecyl caffeate (CAF8) caused extracellular signal-regulated kinase (ERK1/2) and Akt serine threonine kinase phosphorylation in PC12 cells at 5 and 25 µM concentrations. In conclusion, this study shows that caffeate esters exert their neurotrophic action by modulation of ERK1/2 and Akt signaling pathways in neuronal cells, and further demonstrates the potential therapeutic implications of these derivatives for neurodegenerative diseases.
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Affiliation(s)
- Razieh Hosseini
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz 71348-5373, Iran.
- Department of Pharmacology, School of Veterinary Medicine, Shiraz University, Shiraz 71441-69155, Iran.
| | - Fatemeh Moosavi
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz 71348-5373, Iran.
- Department of Pharmacology, School of Veterinary Medicine, Shiraz University, Shiraz 71441-69155, Iran.
| | - Tiago Silva
- CIQUP/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal.
| | - Hamid Rajaian
- Department of Pharmacology, School of Veterinary Medicine, Shiraz University, Shiraz 71441-69155, Iran.
| | - Seyed Younes Hosseini
- Department of Bacteriology and Virology, Shiraz University of Medical Sciences, Shiraz 71348-45794, Iran.
| | - Samaneh Bina
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz 71348-5373, Iran.
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, 00185 Rome, Italy.
| | - Ramin Miri
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz 71348-5373, Iran.
| | - Fernanda Borges
- CIQUP/Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, 4169-007 Porto, Portugal.
| | - Omidreza Firuzi
- Medicinal and Natural Products Chemistry Research Center, Shiraz University of Medical Sciences, Shiraz 71348-5373, Iran.
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Bhargava P, Kumari A, Putri JF, Ishida Y, Terao K, Kaul SC, Sundar D, Wadhwa R. Caffeic acid phenethyl ester (CAPE) possesses pro-hypoxia and anti-stress activities: bioinformatics and experimental evidences. Cell Stress Chaperones 2018; 23:1055-1068. [PMID: 29869000 PMCID: PMC6111076 DOI: 10.1007/s12192-018-0915-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2018] [Revised: 05/07/2018] [Accepted: 05/14/2018] [Indexed: 12/27/2022] Open
Abstract
Honeybee propolis and its bioactive component, caffeic acid phenethyl ester (CAPE), are known for a variety of therapeutic potentials. By recruiting a cell-based reporter assay for screening of hypoxia-modulating natural drugs, we identified CAPE as a pro-hypoxia factor. In silico studies were used to probe the capacity of CAPE to interact with potential hypoxia-responsive proteins. CAPE could not dock into hypoxia inducing factor (HIF-1), the master regulator of hypoxia response pathway. On the other hand, it was predicted to bind to factor inhibiting HIF (FIH-1). The active site residue (Asp201) of FIH-1α was involved in hydrogen bond formation with CAPE and its analogue, caffeic acid methyl ester (CAME), especially in the presence of Fe and 2-oxoglutaric acid (OGA). We provide experimental evidence that the low doses of CAPE, that did not cause cytotoxicity or anti-migratory effect, activated HIF-1α and inhibited stress-induced protein aggregation, a common cause of age-related pathologies. Furthermore, by structural homology search, we explored and found candidate compounds that possess stronger FIH-1 binding capacity. These compounds could be promising candidates for modulating therapeutic potential of CAPE, and its recruitment in treatment of protein aggregation-based disorders.
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Affiliation(s)
- Priyanshu Bhargava
- DAILAB, DBT-AIST International Center for Translational and Environmental Research (DAICENTER), National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305 8565, Japan
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, 305 8572, Japan
| | - Anjani Kumari
- DAILAB, Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology (IIT) Delhi, New Delhi, 110 016, India
| | - Jayarani F Putri
- DAILAB, DBT-AIST International Center for Translational and Environmental Research (DAICENTER), National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305 8565, Japan
| | - Yoshiyuki Ishida
- CycloChem Co., Ltd, 7-4-5 Minatojima-minamimachi, Chuo-ku, Kobe, 650 0047, Japan
| | - Keiji Terao
- CycloChem Co., Ltd, 7-4-5 Minatojima-minamimachi, Chuo-ku, Kobe, 650 0047, Japan
| | - Sunil C Kaul
- DAILAB, DBT-AIST International Center for Translational and Environmental Research (DAICENTER), National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305 8565, Japan.
| | - Durai Sundar
- DAILAB, Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology (IIT) Delhi, New Delhi, 110 016, India.
| | - Renu Wadhwa
- DAILAB, DBT-AIST International Center for Translational and Environmental Research (DAICENTER), National Institute of Advanced Industrial Science and Technology (AIST), Central 5-41, 1-1-1 Higashi, Tsukuba, Ibaraki, 305 8565, Japan.
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Sitarek P, Kowalczyk T, Rijo P, Białas AJ, Wielanek M, Wysokińska H, Garcia C, Toma M, Śliwiński T, Skała E. Over-Expression of AtPAP1 Transcriptional Factor Enhances Phenolic Acid Production in Transgenic Roots of Leonurus sibiricus L. and Their Biological Activities. Mol Biotechnol 2018; 60:74-82. [PMID: 29196986 DOI: 10.1007/s12033-017-0048-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This study examines the production of five phenolic acids (chlorogenic acid, neochlorogenic acid, ferulic acid, caffeic acid and p-coumaric acid) following over-expression of AtPAP1 transcription factor by four transgenic root clones of Leonurus sibiricus after Agrobacterium rhizogenes transformation. The AtPAP1 expression level was estimated by quantitative real-time PCR. High levels of phenolic acids were found in the transgenic roots of L. sibiricus and were determined by high-performance liquid chromatography-mass spectrometry analysis. Additionally, transgenic roots showed antimicrobial potential and cytotoxic activity on glioma cells in IV grade. Our results suggest that L. sibiricus transformed roots with AtPAP1 gene over-expression may represent a potential source of phenolic acids.
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Affiliation(s)
- Przemysław Sitarek
- Department of Biology and Pharmaceutical Botany, Medical University of Lodz, ul. Muszyńskiego 1, 90-151, Lodz, Poland.
| | - Tomasz Kowalczyk
- Department of Genetics and Plant Molecular Biology and Biotechnology, The University of Lodz, Banacha 12/13, Lodz, Poland
| | - Patricia Rijo
- Center for Research in Biosciences and Health Technologies (CBIOS), Universidade Lusófona de Humanidades e Tecnologias, 1749-024, Lisbon, Portugal
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-003, Lisbon, Portugal
| | - Adam J Białas
- Department of Pneumology and Allergy, 1st Chair of Internal Medicine, Medical University of Lodz, Lodz, Poland
| | - Marzena Wielanek
- Department of Plant Physiology and Biochemistry, Faculty of Biology and Environmental Protection, University of Lodz, Banacha 12/13, Lodz, Poland
| | - Halina Wysokińska
- Department of Biology and Pharmaceutical Botany, Medical University of Lodz, ul. Muszyńskiego 1, 90-151, Lodz, Poland
| | - Catarina Garcia
- Center for Research in Biosciences and Health Technologies (CBIOS), Universidade Lusófona de Humanidades e Tecnologias, 1749-024, Lisbon, Portugal
- Instituto de Investigação do Medicamento (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, 1649-003, Lisbon, Portugal
| | - Monika Toma
- Laboratory of Medical Genetics, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland
| | - Tomasz Śliwiński
- Laboratory of Medical Genetics, University of Lodz, Pomorska 141/143, 90-236, Lodz, Poland
| | - Ewa Skała
- Department of Biology and Pharmaceutical Botany, Medical University of Lodz, ul. Muszyńskiego 1, 90-151, Lodz, Poland
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Sun B, Wang P, Wang R, Li Y, Xu S. Molecular Cloning and Characterization of a meta/ para- O-Methyltransferase from Lycoris aurea. Int J Mol Sci 2018; 19:ijms19071911. [PMID: 29966257 PMCID: PMC6073595 DOI: 10.3390/ijms19071911] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2018] [Revised: 06/05/2018] [Accepted: 06/28/2018] [Indexed: 11/16/2022] Open
Abstract
O-methyltransferases (OMTs) have been demonstrated to play key roles in the biosynthesis of plant secondary metabolites, such as alkaloids, isoprenoids, and phenolic compounds. Here, we isolated and characterized an OMT gene from Lycoris aurea (namely LaOMT1), based on our previous transcriptome sequencing data. Sequence alignment and phylogenetic analysis showed that LaOMT1 belongs to the class I OMT, and shares high identity to other known plant OMTs. Also, LaOMT1 is highly identical in its amino acid sequence to NpN4OMT, a norbelladine 4′-OMT from Narcissus sp. aff. pseudonarcissus involved in the biosynthesis of Amaryllidaceae alkaloids. Biochemical analysis indicated that the recombinant LaOMT1 displayed both para and metaO-methylation activities with caffeic acid and 3,4-dihydroxybenzaldehyde, and showed a strong preference for the meta position. Besides, LaOMT1 also catalyzes the O-methylation of norbelladine to form 4′-O-methylnorbelladine, which has been demonstrated to be a universal precursor of all the primary Amaryllidaceae alkaloid skeletons. The results from quantitative real-time PCR assay indicated that LaOMT1 was ubiquitously expressed in different tissues of L. aurea, and its highest expression level was observed in the ovary. Meanwhile, the largest concentration of lycorine and galanthamine were found in the ovary, whereas the highest level of narciclasine was observed in the bulb. In addition, sodium chloride (NaCl), cold, polyethylene glycol (PEG), sodium nitroprusside (SNP), and methyl jasmonate (MeJA) treatments could significantly increase LaOMT1 transcripts, while abscisic acid (ABA) treatment dramatically decreased the expression level of LaOMT1. Subcellular localization showed that LaOMT1 is mainly localized in cytoplasm and endosome. Our results in this study indicate that LaOMT1 may play a multifunctional role, and lay the foundation for Amaryllidaceae alkaloid biosynthesis in L. aurea.
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Affiliation(s)
- Bin Sun
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Peng Wang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
| | - Ren Wang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
- The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Gerplasm, Nanjing 210014, China.
| | - Yikui Li
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
- The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Gerplasm, Nanjing 210014, China.
| | - Sheng Xu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Nanjing 210014, China.
- The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Gerplasm, Nanjing 210014, China.
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Atanasova-Penichon V, Legoahec L, Bernillon S, Deborde C, Maucourt M, Verdal-Bonnin MN, Pinson-Gadais L, Ponts N, Moing A, Richard-Forget F. Mycotoxin Biosynthesis and Central Metabolism Are Two Interlinked Pathways in Fusarium graminearum, as Demonstrated by the Extensive Metabolic Changes Induced by Caffeic Acid Exposure. Appl Environ Microbiol 2018; 84:e01705-17. [PMID: 29427428 PMCID: PMC5881057 DOI: 10.1128/aem.01705-17] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2017] [Accepted: 01/30/2018] [Indexed: 12/22/2022] Open
Abstract
Fusarium graminearum is a major plant pathogen that causes devastating diseases of cereals and produces type B trichothecene (TCTB) mycotoxins in infected grains. A comprehensive understanding of the molecular and biochemical mechanisms underlying the regulation of TCTB biosynthesis is required for improving strategies to control the TCTB contamination of crops and ensuring that these strategies do not favor the production of other toxic metabolites by F. graminearum Elucidation of the association of TCTB biosynthesis with other central and specialized processes was the focus of this study. Combined 1H nuclear magnetic resonance (1H NMR) and liquid chromatography-quadrupole time of flight-mass spectrometry (LC-QTOF-MS) analyses were used to compare the exo- and endometabolomes of F. graminearum grown under toxin-inducing and -repressing caffeic acid conditions. Ninety-five metabolites were putatively or unambiguously identified, including 26 primary and 69 specialized metabolites. Our data demonstrated that the inhibition of TCTB production induced by caffeic acid exposure was associated with significant changes in the secondary and primary metabolism of F. graminearum, although the fungal growth was not affected. The main metabolic changes were an increase in the accumulation of several polyketides, including toxic ones, alterations in the tricarboxylic organic acid cycle, and modifications in the metabolism of several amino acids and sugars. While these findings provide insights into the mechanisms that govern the inhibition of TCTB production by caffeic acid, they also demonstrate the interdependence between the biosynthetic pathway of TCTB and several primary and specialized metabolic pathways. These results provide further evidence of the multifaceted role of TCTB in the life cycle of F. graminearumIMPORTANCEFusarium graminearum is a major plant pathogen that causes devastating diseases of cereal crops and produces type B trichothecene (TCTB) mycotoxins in infected grains. The best way to restrict consumer exposure to TCTB is to limit their production before harvest, which requires increasing the knowledge on the mechanisms that regulate their biosynthesis. Using a metabolomics approach, we investigated the interconnection between the TCTB production pathway and several fungal metabolic pathways. We demonstrated that alteration in the TCTB biosynthetic pathway can have a significant impact on other metabolic pathways, including the biosynthesis of toxic polyketides, and vice versa. These findings open new avenues for identifying fungal targets for the design of molecules with antimycotoxin properties and therefore improving sustainable strategies to fight against diseases caused by F. graminearum Our data further demonstrate that analyses should consider all fungal toxic metabolites rather than the targeted family of mycotoxins when assessing the efficacy of control strategies.
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Affiliation(s)
| | - Laurie Legoahec
- UR1264 MycSA, INRA, Centre INRA de Nouvelle Aquitaine-Bordeaux, Villenave d'Ornon, France
| | - Stéphane Bernillon
- UMR1332 Biologie du Fruit et Pathologie, INRA, Université de Bordeaux, Centre INRA de Nouvelle Aquitaine-Bordeaux, Villenave d'Ornon, France
- Metabolome Facility of Bordeaux Functional Genomics Center, MetaboHUB, IBVM, Centre INRA de Nouvelle Aquitaine-Bordeaux, Villenave d'Ornon, France
| | - Catherine Deborde
- UMR1332 Biologie du Fruit et Pathologie, INRA, Université de Bordeaux, Centre INRA de Nouvelle Aquitaine-Bordeaux, Villenave d'Ornon, France
- Metabolome Facility of Bordeaux Functional Genomics Center, MetaboHUB, IBVM, Centre INRA de Nouvelle Aquitaine-Bordeaux, Villenave d'Ornon, France
| | - Mickaël Maucourt
- UMR1332 Biologie du Fruit et Pathologie, INRA, Université de Bordeaux, Centre INRA de Nouvelle Aquitaine-Bordeaux, Villenave d'Ornon, France
- Metabolome Facility of Bordeaux Functional Genomics Center, MetaboHUB, IBVM, Centre INRA de Nouvelle Aquitaine-Bordeaux, Villenave d'Ornon, France
| | | | - Laetitia Pinson-Gadais
- UR1264 MycSA, INRA, Centre INRA de Nouvelle Aquitaine-Bordeaux, Villenave d'Ornon, France
| | - Nadia Ponts
- UR1264 MycSA, INRA, Centre INRA de Nouvelle Aquitaine-Bordeaux, Villenave d'Ornon, France
| | - Annick Moing
- UMR1332 Biologie du Fruit et Pathologie, INRA, Université de Bordeaux, Centre INRA de Nouvelle Aquitaine-Bordeaux, Villenave d'Ornon, France
- Metabolome Facility of Bordeaux Functional Genomics Center, MetaboHUB, IBVM, Centre INRA de Nouvelle Aquitaine-Bordeaux, Villenave d'Ornon, France
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Filipe HAL, Sousa C, Marquês JT, Vila-Viçosa D, de Granada-Flor A, Viana AS, Santos MSCS, Machuqueiro M, de Almeida RFM. Differential targeting of membrane lipid domains by caffeic acid and its ester derivatives. Free Radic Biol Med 2018; 115:232-245. [PMID: 29221989 DOI: 10.1016/j.freeradbiomed.2017.12.002] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/24/2017] [Revised: 11/17/2017] [Accepted: 12/02/2017] [Indexed: 01/08/2023]
Abstract
Phenolic acids have been associated to a wide range of important health benefits underlain by a common molecular mechanism of action. Considering that significant membrane permeation is prevented by their hydrophilic character, we hypothesize that their main effects result from the interplay with cell membrane surface. This hypothesis was tested using the paradigmatic caffeic acid (CA) and two of its ester derivatives, rosmarinic (RA) and chlorogenic (CGA) acids, for which we predict, based on molecular dynamics simulations, a shallow location in phospholipid bilayers dependent on the protonation-state. Using complementary experimental approaches, an interaction with the membrane was definitely revealed for the three compounds, with RA exhibiting the highest lipid bilayer partition, and the redox signals of membrane-bound RA and CA being clearly detected. Cholesterol decreased the compounds bilayer partition, but not their ability to lower membrane dipole potential. In more complex membrane models containing also sphingomyelin, with liquid disordered (ld)/ liquid ordered (lo) phases coexistence, mimicking domains in the external leaflet of human plasma membrane, all compounds were able to affect nanodomains lateral organization. RA, and to a lesser extent CGA, decreased the size of lo domains. The most significant effect of CA was the possible formation of a rigid gel-like phase, enriched in sphingomyelin. In addition, all phenolic acids decreased the order of lo domains. In sum, phenolic acid effects on the membrane are enhanced in cholesterol-rich lo phases, which predominate in the outer leaflet of human cell membranes and are involved in many key cellular processes.
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Affiliation(s)
- Hugo A L Filipe
- Centro de Química e Bioquímica, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, Campo Grande, 1749-016 Lisboa, Portugal
| | - Carla Sousa
- Centro de Química e Bioquímica, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, Campo Grande, 1749-016 Lisboa, Portugal
| | - Joaquim T Marquês
- Centro de Química e Bioquímica, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, Campo Grande, 1749-016 Lisboa, Portugal
| | - Diogo Vila-Viçosa
- Centro de Química e Bioquímica, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, Campo Grande, 1749-016 Lisboa, Portugal
| | - António de Granada-Flor
- Centro de Química e Bioquímica, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, Campo Grande, 1749-016 Lisboa, Portugal
| | - Ana S Viana
- Centro de Química e Bioquímica, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, Campo Grande, 1749-016 Lisboa, Portugal
| | - M Soledade C S Santos
- Centro de Química e Bioquímica, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, Campo Grande, 1749-016 Lisboa, Portugal
| | - Miguel Machuqueiro
- Centro de Química e Bioquímica, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, Campo Grande, 1749-016 Lisboa, Portugal
| | - Rodrigo F M de Almeida
- Centro de Química e Bioquímica, Departamento de Química e Bioquímica, Faculdade de Ciências, Universidade de Lisboa, Ed. C8, Campo Grande, 1749-016 Lisboa, Portugal.
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Lopatriello A, Previtera R, Pace S, Werner M, Rubino L, Werz O, Taglialatela-Scafati O, Forino M. NMR-based identification of the major bioactive molecules from an Italian cultivar of Lycium barbarum. Phytochemistry 2017; 144:52-57. [PMID: 28888145 DOI: 10.1016/j.phytochem.2017.08.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 07/28/2017] [Accepted: 08/28/2017] [Indexed: 06/07/2023]
Abstract
Lycium barbarum (Solanaceae), long known to the traditional Chinese medicine because of its many health-promoting effects, has of late spread widely across the Western hemisphere, mainly on account of the nutritional richness in vitamins, minerals and antioxidant metabolites of its fruits. Data on bioactive metabolites from fruits and leaves, which are commonly consumed in soups and salads, are scarce and sometimes even contradictory. By means of NMR, the present study identified the specialised products contained in an Italian cultivar of L. barbarum. Kaempeferol, caffeic acid, 3,4,5-trihydroxycinnamic acid and 5-hydroxyferulic acid were found in fresh fruits; rutin and chlorogenic acid were detected in leaves and flowers; also, a previously undescribed N,N-dicaffeoylspermidine derivative was identified in flowers, while N-feruloyltyramine derivatives, for which interesting anti-inflammatory properties have been reported, turned out to be the major bioactive molecules in stems. The plethora of the detected bioactive molecules amplifies the nutraceutical value of berries and leaves and prompts the exploitation of L. barbarum flowers and pruned stems as sources of beneficial compounds.
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Affiliation(s)
- Annalisa Lopatriello
- Department of Pharmacy, University of Napoli "Federico II", via D. Montesano, 49, 80131, Napoli, Italy
| | - Rosario Previtera
- "LYKION" for the "GOJI ITALIANO", Via Nazionale, 668, 89018, Villa San Giovanni, RC, Italy
| | - Simona Pace
- Chair of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich-Schiller- University, Philosophenweg 14, D-07743, Jena, Germany
| | - Markus Werner
- Chair of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich-Schiller- University, Philosophenweg 14, D-07743, Jena, Germany
| | - Luigi Rubino
- Via S. D'Acquisto, 31, 87032, Amantea, CS, Italy
| | - Oliver Werz
- Chair of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich-Schiller- University, Philosophenweg 14, D-07743, Jena, Germany
| | | | - Martino Forino
- Department of Pharmacy, University of Napoli "Federico II", via D. Montesano, 49, 80131, Napoli, Italy.
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Xue S, Seki H, Remes M, Šilhár P, Janda K. Examination of α-exosite inhibitors against Botulinum neurotoxin A protease through structure-activity relationship studies of chicoric acid. Bioorg Med Chem Lett 2017; 27:4956-4959. [PMID: 29050781 PMCID: PMC5667901 DOI: 10.1016/j.bmcl.2017.10.021] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2017] [Revised: 10/09/2017] [Accepted: 10/10/2017] [Indexed: 12/20/2022]
Abstract
Botulinum neurotoxins (BoNT) are among the most toxic known substances and currently there are no effective treatments for intraneuronal BoNT intoxication. Chicoric acid (ChA) was previously reported as a BoNT/A inhibitor that binds to the enzyme's α-exosite. Herein, we report the synthesis and structure-activity relationships (SARs) of a series of ChA derivatives, which revealed essential binding interactions between ChA and BoNT/A. Moreover, several ChA-based inhibitors with improved potency against the BoNT/A were discovered.
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Affiliation(s)
- Song Xue
- Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, United States; Department of Immunology and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, United States
| | - Hajime Seki
- Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, United States; Department of Immunology and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, United States
| | - Marek Remes
- Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, United States; Department of Immunology and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, United States
| | - Peter Šilhár
- Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, United States; Department of Immunology and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, United States
| | - Kim Janda
- Department of Chemistry and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, United States; Department of Immunology and The Skaggs Institute for Chemical Biology, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, United States; Worm Institute for Research Medicine (WIRM), The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, CA 92037, United States.
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Wang J, Mahajani M, Jackson SL, Yang Y, Chen M, Ferreira EM, Lin Y, Yan Y. Engineering a bacterial platform for total biosynthesis of caffeic acid derived phenethyl esters and amides. Metab Eng 2017; 44:89-99. [PMID: 28943460 DOI: 10.1016/j.ymben.2017.09.011] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 08/29/2017] [Accepted: 09/18/2017] [Indexed: 12/19/2022]
Abstract
Caffeic acid has been widely recognized as a versatile pharmacophore for synthesis of new chemical entities, among which caffeic acid derived phenethyl esters and amides are the most extensively-investigated bioactive compounds with potential therapeutical applications. However, the natural biosynthetic routes for caffeic acid derived phenethyl esters or amides remain enigmatic, limiting their bio-based production. Herein, product-directed design of biosynthetic schemes allowed the development of thermodynamically favorable pathways for these compounds via acyltransferase (ATF) mediated trans-esterification. Production based screening identified a microbial O-ATF from Saccharomyces cerevisiae and a plant N-ATF from Capsicum annuum capable of forming caffeic acid derived esters and amides, respectively. Subsequent combinatorial incorporation of caffeic acid with various aromatic alcohol or amine biosynthetic pathways permitted the de novo bacterial production of a panel of caffeic acid derived phenethyl esters or amides in Escherichia coli for the first time. Particularly, host strain engineering via systematic knocking out endogenous caffeoyl-CoA degrading thioesterase and pathway optimization via titrating co-substrates enabled production enhancement of five caffeic acid derived phenethyl esters and amides, with titers ranging from 9.2 to 369.1mg/L. This platform expanded the capabilities of bacterial production of high-value natural aromatic esters and amides from renewable carbon source via tailoring non-natural biosynthetic pathways.
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Affiliation(s)
- Jian Wang
- College of Engineering, The University of Georgia, Athens, GA 30602, USA
| | | | - Sheneika L Jackson
- Department of Chemistry, The University of Georgia, Athens, GA 30602, USA
| | - Yaping Yang
- College of Engineering, The University of Georgia, Athens, GA 30602, USA
| | - Mengyin Chen
- BiotecEra Inc., 220 Riverbend Rd., Athens, GA 30602, USA
| | - Eric M Ferreira
- Department of Chemistry, The University of Georgia, Athens, GA 30602, USA
| | - Yuheng Lin
- BiotecEra Inc., 220 Riverbend Rd., Athens, GA 30602, USA.
| | - Yajun Yan
- College of Engineering, The University of Georgia, Athens, GA 30602, USA.
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Ma G, Zhang Y, Chen W, Tang Z, Xin X, Yang P, Liu X, Cai W, Hu M. Inhibition of Human UGT1A1-Mediated Bilirubin Glucuronidation by Polyphenolic Acids Impact Safety of Popular Salvianolic Acid A/B-Containing Drugs and Herbal Products. Mol Pharm 2017; 14:2952-2966. [PMID: 28603997 DOI: 10.1021/acs.molpharmaceut.7b00365] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Bilirubin-related adverse reactions (ADR, e.g., jaundice and hyperbilirubinemia) induced by herbs rich in certain polyphenolic acids are widely reported. However, the causes and the mechanisms underlying these ADR are not well understood. The purpose of this article is to determine the mechanism by which certain polyphenolic acids inhibit UGT1A1-mediated bilirubin glucuronidation, leading to jaundice or hyperbilirubinemia. We investigated in vitro inhibitory effects on bilirubin glucuronidation of salvianolic acid A (SAA), salvianolic acid B (SAB), danshensu (DSS), protocatechuic aldehyde (PA), and rosmarinic acid (RA), as well as two Salvia miltiorrhiza injections (DSI and CDI) rich in polyphenolic acids. The results showed that average formation rates of three bilirubin glucuronides displayed a significant difference (p < 0.05) and the formation of monoglucuronide was favored regardless if an inhibitor was present or not. SAA, SAB, DSI, and CDI, but not DSS, PA, and RA, significantly inhibited human UGT1A1-mediated bilirubin glucuronidation via a mixed-type inhibitory mechanism. Average IC50 values of SAA, SAB, DSI, and CDI-mediated inhibition of bilirubin glucuronidation were bilirubin concentration-dependent, and their values (against total bilirubin glucuronidation) were in the range 0.44 ± 0.02 to 0.86 ± 0.04 μg/mL (for SAA), 4.22 ± 0.30 to 12.50 ± 0.93 μg/mL (for SAB), 9.29 ± 0.76 to 18.82 ± 0.63 μg/mL (for DSI), and 9.18 ± 2.00 to 22.36 ± 1.39 μg/mL (for CDI), respectively. In conclusion, SAA and its analog SAB are the main ingredients responsible for inhibition of bilirubin glucuronidation by DSI and CDI, whose use is associated with many high bilirubin-related ADR.
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Affiliation(s)
- Guo Ma
- Department of Clinical Pharmacy, School of Pharmacy, Fudan University , 826 Zhangheng Road, Shanghai 201203, P.R. China
| | - Ying Zhang
- Department of Clinical Pharmacy, School of Pharmacy, Fudan University , 826 Zhangheng Road, Shanghai 201203, P.R. China
| | - Wenyan Chen
- Department of Clinical Pharmacy, School of Pharmacy, Fudan University , 826 Zhangheng Road, Shanghai 201203, P.R. China
| | - Zhifang Tang
- Department of Clinical Pharmacy, School of Pharmacy, Fudan University , 826 Zhangheng Road, Shanghai 201203, P.R. China
| | - Xiaoming Xin
- Department of Clinical Pharmacy, School of Pharmacy, Fudan University , 826 Zhangheng Road, Shanghai 201203, P.R. China
| | - Ping Yang
- Department of Clinical Pharmacy, School of Pharmacy, Fudan University , 826 Zhangheng Road, Shanghai 201203, P.R. China
| | - Xiaoqin Liu
- Department of Clinical Pharmacy, School of Pharmacy, Fudan University , 826 Zhangheng Road, Shanghai 201203, P.R. China
| | - Weimin Cai
- Department of Clinical Pharmacy, School of Pharmacy, Fudan University , 826 Zhangheng Road, Shanghai 201203, P.R. China
| | - Ming Hu
- Department of Pharmacological and Pharmaceutical Sciences, College of Pharmacy, University of Houston , 1441 Moursund Street, Houston, Texas 77030, United States
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Feng H, Yang Y, Sun S, Li Y, Zhang L, Tian J, Zhu Q, Feng Z, Zhu H, Sun J. Molecular analysis of caffeoyl residues related to pigmentation in green cotton fibers. J Exp Bot 2017; 68:4559-4569. [PMID: 28981784 DOI: 10.1093/jxb/erx281] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The pigment components in green cotton fibers were isolated and identified as 22-O-caffeoyl-22-hydroxymonodocosanoin and 22-O-caffeoyl-22-hydroxydocosanoic acid. The concentration of 22-O-caffeoyl-22-hydroxymonodocosanoin correlated positively with the degree of colour in the green fibers, indicating a role for caffeoyl derivatives in the pigmentation of green cotton fibers. Upland cotton (Gossypium hirsutum L.) contains four genes, Gh4CL1-Gh4CL4, encoding 4-coumarate:CoA ligases (4CLs), key enzymes in the phenylpropanoid biosynthesis pathway. In 15-24-day post-anthesis fibers, the expression level of Gh4CL1 was very low, Gh4CL3 had a similar expression level in both white and green cottons, Gh4CL2 had a significantly higher expression level in green fibers than in white fibers, while Gh4CL4 had a higher expression level in white fibers than in green fibers. According to enzyme kinetics analysis, Gh4CL1 displayed a preference for 4-coumarate, Gh4CL3 and Gh4CL4 exhibited a somewhat low but still prominent activity towards ferulate, while Gh4CL2 had a strong preference for caffeate and ferulate. These results suggest that Gh4CL2 might be involved in the metabolism of caffeoyl residues and related to pigment biosynthesis in green cotton fibers. Our findings provide insights for understanding the biochemical and molecular mechanisms of pigmentation in green cotton fibers.
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Affiliation(s)
- Hongjie Feng
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Anyang, Henan 455000, China
- College of Agriculture/The Key Laboratory of Oasis Eco-agriculture, Shihezi University, Shihezi 832000, Xinjiang, China
| | - Yonglin Yang
- College of Agriculture/The Key Laboratory of Oasis Eco-agriculture, Shihezi University, Shihezi 832000, Xinjiang, China
| | - Shichao Sun
- College of Agriculture/The Key Laboratory of Oasis Eco-agriculture, Shihezi University, Shihezi 832000, Xinjiang, China
| | - Yanjun Li
- College of Agriculture/The Key Laboratory of Oasis Eco-agriculture, Shihezi University, Shihezi 832000, Xinjiang, China
| | - Lin Zhang
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou 310027, Zhejiang, China
| | - Jingkui Tian
- College of Biomedical Engineering & Instrument Science, Zhejiang University, Hangzhou 310027, Zhejiang, China
| | - Qianhao Zhu
- CSIRO Agriculture and Food, GPO Box 1700, Canberra, ACT 2601, Australia
| | - Zili Feng
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Anyang, Henan 455000, China
| | - Heqin Zhu
- State Key Laboratory of Cotton Biology, Institute of Cotton Research of Chinese Academy of Agricultural Sciences, Anyang, Henan 455000, China
| | - Jie Sun
- College of Agriculture/The Key Laboratory of Oasis Eco-agriculture, Shihezi University, Shihezi 832000, Xinjiang, China
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Alagar Yadav S, Ramalingam S, Jebamalairaj A, Subban R, Sundaram KM. Biochemical fingerprint and pharmacological applications of Barleria noctiflora L.f. leaves. J Complement Integr Med 2017; 13:365-376. [PMID: 27476103 DOI: 10.1515/jcim-2015-0106] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2015] [Accepted: 06/13/2016] [Indexed: 01/23/2023]
Abstract
Background Antioxidant and antihistamine agents from Barleria noctiflora L.f. as natural source due to the existing modern medicine give various adverse effects to overcome these problems with natural products. MethodsB. noctiflora leaves extract was fractionated with column chromatography; the homogenized fractions were monitored with thin layer chromatography (TLC) and characterized by using UV-visible, FT-IR, 1H NMR, 13C NMR and mass spectrometry spectral studies. The volatile phytoconstituents of B. noctiflora extract were analysed by gas chromatography-mass spectrometry. Phytoconstituents from B. noctiflora leaves extract were screened for their antioxidant and antihistamine potential in vitro (2,2-diphenyl-1-picrylhydrazyl radical scavenging activity, 2,2'-azinobis-3-ethylbenzothiozoline-6-sulfonic acid radical decolouration assay, nitric oxide radical scavenging activity, superoxide radical scavenging activity and hydrogen peroxide radical scavenging activity) and in silico (molecular docking), respectively. Results Antioxidant and antihistamine barlerinoside has been isolated and characterized from the leaves of B. noctiflora L.f. Barlerinoside revealed their free-radical scavenging ability on OH-, OH•, NO-, O2- and H2O2 radicals and found high percentage inhibition against OH- radical at the IC50 value of 50.45±2.52 µg. The methanol (MeOH) extract of B. noctiflora leaves contains cyclotene; N,N-dimethylglycine; tetrahydrocyclopenta [1,3] dioxin-4-one; phenol, 2-methoxy-; benzofuran, 2-methyl-; 1,4:3,6-dianhydro-α-d-glucopyranose; 2-methoxy-4-vinylphenol; 1,3;2,5-dimethylene-l-rhamnitol; levoglucosan and bicyclo[2.2.2]oct-7-ene-2,5-dione as being the major compounds. Among phytoconstituents present in the extract, the hexestrol; 1,2-benzenedicarboxylic acid, bis(2-methylpropyl) ester; 1-(3,6,6-trimethyl-1,6,7,7a-tetrahydrocyclopenta[c]pyran-1-yl) ethanone; megastigmatrienone; furan interacted with histamine H1 receptor and bind at GLU-177 and ASP-178 with high binding energy score -13.95, -13.41, -12.56, -12.03, and -11.72 kcal/mol, respectively, and the expected hydrolysed products of compound-1a and compound-1b from barlerinoside showed -8.91 and -8.68 kcal/mol binding energy against the histamine H1 receptor. This showed that the active ligands exactly bind with active binding site of the protein. ConclusionsWe can conclude that isolated barlerinoside from B. noctflora L.f. has potent antioxidant activity against synthetic free radicals and antihistamine activity against histamine H1 receptor.
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Vissers A, Kiskini A, Hilgers R, Marinea M, Wierenga PA, Gruppen H, Vincken JP. Enzymatic Browning in Sugar Beet Leaves (Beta vulgaris L.): Influence of Caffeic Acid Derivatives, Oxidative Coupling, and Coupled Oxidation. J Agric Food Chem 2017; 65:4911-4920. [PMID: 28570816 PMCID: PMC5481818 DOI: 10.1021/acs.jafc.7b01897] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/25/2017] [Revised: 05/31/2017] [Accepted: 06/01/2017] [Indexed: 06/07/2023]
Abstract
Sugar beet (Beta vulgaris L.) leaves of 8 month (8m) plants showed more enzymatic browning than those of 3 month (3m). Total phenolic content increased from 4.6 to 9.4 mg/g FW in 3m and 8m, respectively, quantitated by reverse-phase-ultrahigh-performance liquid chromatography-ultraviolet-mass spectrometry (RP-UHPLC-UV-MS). The PPO activity was 6.7 times higher in extracts from 8m than from 3m leaves. Substrate content increased from 0.53 to 2.45 mg/g FW in 3m and 8m, respectively, of which caffeic acid glycosyl esters were most important, increasing 10-fold with age. Caffeic acid glycosides and vitexin derivatives were no substrates. In 3m and 8m, nonsubstrate-to-substrate ratios were 8:1 and 3:1, respectively. A model system showed browning at 3:1 ratio due to formation of products with extensive conjugated systems through oxidative coupling and coupled oxidation. The 8:1 ratio did not turn brown as oxidative coupling occurred without much coupled oxidation. We postulate that differences in nonsubstrate-to-substrate ratio and therewith extent of coupled oxidation explain browning.
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Affiliation(s)
- Anne Vissers
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Alexandra Kiskini
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Roelant Hilgers
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Marina Marinea
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Peter Alexander Wierenga
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Harry Gruppen
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
| | - Jean-Paul Vincken
- Laboratory of Food Chemistry, Wageningen University & Research, Bornse Weilanden 9, 6708 WG Wageningen, The Netherlands
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Lipchock JM, Hendrickson HP, Douglas BB, Bird KE, Ginther PS, Rivalta I, Ten NS, Batista VS, Loria JP. Characterization of Protein Tyrosine Phosphatase 1B Inhibition by Chlorogenic Acid and Cichoric Acid. Biochemistry 2017; 56:96-106. [PMID: 27959494 PMCID: PMC5292209 DOI: 10.1021/acs.biochem.6b01025] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Protein tyrosine phosphatase 1B (PTP1B) is a known regulator of the insulin and leptin signaling pathways and is an active target for the design of inhibitors for the treatment of type II diabetes and obesity. Recently, cichoric acid (CHA) and chlorogenic acid (CGA) were predicted by docking methods to be allosteric inhibitors that bind distal to the active site. However, using a combination of steady-state inhibition kinetics, solution nuclear magnetic resonance experiments, and molecular dynamics simulations, we show that CHA is a competitive inhibitor that binds in the active site of PTP1B. CGA, while a noncompetitive inhibitor, binds in the second aryl phosphate binding site, rather than the predicted benzfuran binding pocket. The molecular dynamics simulations of the apo enzyme and cysteine-phosphoryl intermediate states with and without bound CGA suggest CGA binding inhibits PTP1B by altering hydrogen bonding patterns at the active site. This study provides a mechanistic understanding of the allosteric inhibition of PTP1B.
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Affiliation(s)
- James M. Lipchock
- Department of Chemistry, Washington College, Chestertown, Maryland 21620, United States
| | - Heidi P. Hendrickson
- Department of Chemistry, Yale University, New Haven, Connecticut 06511, United States
| | - Bonnie B. Douglas
- Department of Chemistry, Washington College, Chestertown, Maryland 21620, United States
- Department of Chemistry, Yale University, New Haven, Connecticut 06511, United States
| | - Kelly E. Bird
- Department of Chemistry, Washington College, Chestertown, Maryland 21620, United States
- Department of Chemistry, Yale University, New Haven, Connecticut 06511, United States
| | - Patrick S. Ginther
- Department of Chemistry, Washington College, Chestertown, Maryland 21620, United States
- Department of Chemistry, Yale University, New Haven, Connecticut 06511, United States
| | - Ivan Rivalta
- Department of Chemistry, Yale University, New Haven, Connecticut 06511, United States
- Univ Lyon, Ens de Lyon, CNRS, Université Lyon 1, Laboratoire de Chimie UMR 5182, F-69342, Lyon, France
| | - Nicholas S. Ten
- Department of Chemistry, Yale University, New Haven, Connecticut 06511, United States
| | - Victor S. Batista
- Department of Chemistry, Yale University, New Haven, Connecticut 06511, United States
| | - J. Patrick Loria
- Department of Chemistry, Yale University, New Haven, Connecticut 06511, United States
- Department of Molecular Biophysics and Biochemistry, Yale University, New Haven, Connecticut 06511, United States
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Gou J, Yao X, Tang H, Zou K, Liu Y, Zuo H, Zhao X, Li Z. Absorption properties and effects of caffeic acid phenethyl ester and its p-nitro-derivative on P-glycoprotein in Caco-2 cells and rats. Pharm Biol 2016; 54:2960-2967. [PMID: 27348457 DOI: 10.1080/13880209.2016.1197284] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/10/2016] [Revised: 05/15/2016] [Accepted: 05/31/2016] [Indexed: 06/06/2023]
Abstract
CONTEXT Caffeic acid phenethyl ester (CAPE), isolated from honeybee propolis, has pharmacological applications. A synthesized CAPE derivative, p-nitro-caffeic acid phenethyl ester (CAPE-NO2), showed similar activities with CAPE. The pharmacological activities of CAPE and CAPE-NO2 are related to their absorption properties. OBJECTIVE To understand the pharmacokinetic profiles of CAPE and CAPE-NO2 in rats and investigate the absorption mechanisms and effects on P-glycoprotein in Caco-2 cells. MATERIALS AND METHODS The pharmacokinetic profiles of CAPE and CAPE-NO2 were obtained after oral administration (10 mg/kg) to rats. Transport studies of CAPE and CAPE-NO2 (5, 10, 20 μM) were performed in Caco-2 cell model. P-gp activities were assayed by rhodamine 123 cellular retention. Expression of P-gp was determined after the cells were administrated with CAPE and CAPE-NO2 (5, 20 μM) for 48 and 72 h. RESULTS The AUC(0-t) of CAPE-NO2 (3239.9 ± 352 ng × h/mL) was two-time greater than CAPE (1659.6 ± 152 ng × h/mL) in rats. The Papp values of CAPE and CAPE-NO2 were (4.86 ± 0.90) × 10-6 cm/s and (12.34 ± 1.6) × 10-6 cm/s, respectively. The accumulation of rhodamine 123 was increased by 1.3- to 1.9-fold and 1.4- to 2.3-fold in CAPE and CAPE-NO2 groups after 1 h administration, respectively. However, CAPE and CAPE-NO2 increased the P-gp levels by 2.1- and 1.7-fold, respectively. CONCLUSION The absorption of CAPE-NO2 can be enhanced in rats and Caco-2 cells compared with CAPE. The two compounds are potential inhibitors of P-gp. The increased P-gp levels generated by CAPE and CAPE-NO2 played a role as a defense mechanism by limiting intracellular xenobiotic levels.
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Affiliation(s)
- Jing Gou
- a College of Pharmaceutical Sciences , Southwest University , Chongqing , P.R. China
| | - Xiaofang Yao
- a College of Pharmaceutical Sciences , Southwest University , Chongqing , P.R. China
| | - Hao Tang
- a College of Pharmaceutical Sciences , Southwest University , Chongqing , P.R. China
| | - Kaili Zou
- a College of Pharmaceutical Sciences , Southwest University , Chongqing , P.R. China
| | - Yujia Liu
- a College of Pharmaceutical Sciences , Southwest University , Chongqing , P.R. China
| | - Hua Zuo
- a College of Pharmaceutical Sciences , Southwest University , Chongqing , P.R. China
| | - Xiaoyan Zhao
- a College of Pharmaceutical Sciences , Southwest University , Chongqing , P.R. China
| | - Zhubo Li
- a College of Pharmaceutical Sciences , Southwest University , Chongqing , P.R. China
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Mirondo R, Barringer S. Deodorization of Garlic Breath by Foods, and the Role of Polyphenol Oxidase and Phenolic Compounds. J Food Sci 2016; 81:C2425-C2430. [PMID: 27649517 DOI: 10.1111/1750-3841.13439] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2016] [Revised: 07/18/2016] [Accepted: 08/06/2016] [Indexed: 12/01/2022]
Abstract
Garlic causes a strong garlic breath that may persist for almost a day. Therefore, it is important to study deodorization techniques for garlic breath. The volatiles responsible for garlic breath include diallyl disulfide, allyl mercaptan, allyl methyl disulfide, and allyl methyl sulfide. After eating garlic, water (control), raw, juiced or heated apple, raw or heated lettuce, raw or juiced mint leaves, or green tea were consumed immediately. The levels of the garlic volatiles on the breath were analyzed from 1 to 60 min by selected ion flow tube mass spectrometry (SIFT-MS). Garlic was also blended with water (control), polyphenol oxidase (PPO), rosemarinic acid, quercetin or catechin, and the volatiles in the headspace analyzed from 3 to 40 min by SIFT-MS. Raw apple, raw lettuce, and mint leaves significantly decreased all of the garlic breath volatiles in vivo. The proposed mechanism is enzymatic deodorization where volatiles react with phenolic compounds. Apple juice and mint juice also had a deodorizing effect on most of the garlic volatiles but were generally not as effective as the raw food, probably because the juice had enzymatic activity but the phenolic compounds had already polymerized. Both heated apple and heated lettuce produced a significant reduction of diallyl disulfide and allyl mercaptan. The presence of phenolic compounds that react with the volatile compounds even in the absence of enzymes is the most likely mechanism. Green tea had no deodorizing effect on the garlic volatile compounds. Rosmarinic acid, catechin, quercetin, and PPO significantly decreased all garlic breath volatiles in vitro. Rosmarinic acid was the most effective at deodorization.
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Affiliation(s)
- Rita Mirondo
- Dept. of Food Science and Technology, Ohio State Univ, 2015 Fyffe Rd., Columbus, OH, U.S.A
| | - Sheryl Barringer
- Dept. of Food Science and Technology, Ohio State Univ, 2015 Fyffe Rd., Columbus, OH, U.S.A.
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Sanchez-Bridge B, Renouf M, Sauser J, Beaumont M, Actis-Goretta L. The roasting process does not influence the extent of conjugation of coffee chlorogenic and phenolic acids. Biofactors 2016; 42:259-67. [PMID: 26899568 DOI: 10.1002/biof.1268] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2015] [Accepted: 01/07/2016] [Indexed: 11/07/2022]
Abstract
Understanding the bioavailability and metabolism of coffee compounds will contribute to identify the unknown biological mechanism(s) linked to their beneficial effects. The influence of the roasting process on the metabolism of coffee chlorogenic acids in humans was evaluated. In a randomized, double-blind, crossover study, 12 healthy volunteers consumed four instant coffees namely, high roasted coffee (HRC), low roasted coffee (LRC), unroasted coffee (URC), and in vitro hydrolyzed unroasted coffee (HURC). The sum of areas under the curve (AUC) ranged from 8.65-17.6 to 30.9-126 µM/h (P < 0.05) for HRC, LRC, URC, and HURC, respectively. The AUC of HRC, LRC, and URC was correlated with the initial level of phenolic acids in the coffee drinks. Despite different absorption rates, the extent of conjugation was comparable between HRC, LRC, and URC coffees but different for HURC. The most abundant circulating metabolites during the first 5 H were dihydroferulic acid (DHFA), caffeic acid-3'-O-sulfate (CA3S) and isoferulic-3'-O-glucuronide (iFA3G). DHFA and 5-4-dihydro-m-coumaric acid (mDHCoA) were the main metabolites in the period of 5-24 H. The phenolic compounds after consumption of HURC were most rapidly absorbed (Tmax 1 H) compared with the other coffees (Tmax between 9 and 11 H). Using coffees with different degrees of roasting we highlighted that in spite of different absorption rates the extent of conjugation of phenolic acids was comparable. In addition, by using a hydrolyzed unroasted coffee we demonstrated an increased absorption of phenolic acids in the small intestine. © 2016 BioFactors, 42(3):259-267, 2016.
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Affiliation(s)
| | - Mathieu Renouf
- Nestlé Research Center, Nestec Ltd., Vers-Chez-les-Blanc, Lausanne, Switzerland
| | - Julien Sauser
- Nestlé Research Center, Nestec Ltd., Vers-Chez-les-Blanc, Lausanne, Switzerland
| | - Maurice Beaumont
- Nestlé Research Center, Nestec Ltd., Vers-Chez-les-Blanc, Lausanne, Switzerland
| | - Lucas Actis-Goretta
- Nestlé Research Center, Nestec Ltd., Vers-Chez-les-Blanc, Lausanne, Switzerland
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Torres JA, Chagas PMB, Silva MC, Dos Santos CD, Corrêa AD. Evaluation of the protective effect of chemical additives in the oxidation of phenolic compounds catalysed by peroxidase. Environ Technol 2015; 37:1288-95. [PMID: 26502790 DOI: 10.1080/09593330.2015.1112433] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The use of oxidoredutive enzymes in removing organic pollutants has been the subject of much research. The oxidation of phenolic compounds in the presence of chemical additives has been the focus of this study. In this investigation, the influence of the additives polyethylene glycol and Triton X-100 was evaluated in the phenol oxidation, caffeic acid, chlorogenic acid and total phenolic compounds present in coffee processing wastewater (CPW) at different pH values, performed by turnip peroxidase and peroxidase extracted from soybean seed hulls. The influence of these additives was observed only in the oxidation of phenol and caffeic acid. In the oxidation of other studied phenolic compounds, the percentage of oxidation remained unchanged in the presence of these chemical additives. In the oxidation of CPW in the presence of additives, no change in the oxidation of phenolic compounds was observed. Although several studies show the importance of evaluating the influence of additives on the behaviour of enzymes, this study found a positive response from the economic point of view for the treatment of real wastewater, since the addition of these substances showed no influence on the oxidation of phenolic compounds, which makes the process less costly.
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Affiliation(s)
| | | | - Maria Cristina Silva
- b Departamento de Química , Universidade Federal de Minas Gerais , Belo Horizonte , Brazil
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