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Duan Y, Yang H, Wei Z, Yang H, Fan S, Wu W, Lyu L, Li W. Effects of Different Nitrogen Forms on Blackberry Fruit Quality. Foods 2023; 12:2318. [PMID: 37372529 DOI: 10.3390/foods12122318] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2023] [Revised: 06/02/2023] [Accepted: 06/07/2023] [Indexed: 06/29/2023] Open
Abstract
To study the optimal form of nitrogen (N) application and to determine the best harvest date for blackberries, different N fertilizers were applied during the critical growth period of blackberry plants. The results showed that NH4+-N significantly improved the appearance of blackberry fruits, including their size, firmness, and color, and promoted the accumulation of soluble solids, sugars, anthocyanin, ellagic acid, and vitamin C (VC), while fruit treated with NO3--N accumulated more flavonoids and organic acids and had improved antioxidant capacity. In addition, the fruit size, firmness, and color brightness decreased with the harvest period. While the contents of sugars, anthocyanin, ellagic acid, flavonoids, and VC were higher in the early harvests and then decreased as the season progressed, the total antioxidant capacity and DPPH radical scavenging capacity increased. In all, application of NH4+-N is recommended, as it is more beneficial to fruit appearance, taste, and nutritional quality. Harvests in the early stage help to obtain a good fruit appearance, while harvests in the middle and later stages are more beneficial to fruit taste and quality. This study may help growers to determine the best fertilization scheme for blackberries and choose the appropriate harvest time according to their needs.
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Affiliation(s)
- Yongkang Duan
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing 210037, China
| | - Haiyan Yang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
| | - Zhiwen Wei
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing 210037, China
| | - Hao Yang
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing 210037, China
| | - Sufan Fan
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
| | - Wenlong Wu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
| | - Lianfei Lyu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences (Nanjing Botanical Garden Mem. Sun Yat-Sen), Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, Nanjing 210014, China
| | - Weilin Li
- Co-Innovation Center for Sustainable Forestry in Southern China, College of Forestry, Nanjing Forestry University, Nanjing 210037, China
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Posadino AM, Giordo R, Ramli I, Zayed H, Nasrallah GK, Wehbe Z, Eid AH, Gürer ES, Kennedy JF, Aldahish AA, Calina D, Razis AFA, Modu B, Habtemariam S, Sharifi-Rad J, Pintus G, Cho WC. An updated overview of cyanidins for chemoprevention and cancer therapy. Biomed Pharmacother 2023; 163:114783. [PMID: 37121149 DOI: 10.1016/j.biopha.2023.114783] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2023] [Revised: 04/16/2023] [Accepted: 04/24/2023] [Indexed: 05/02/2023] Open
Abstract
Anthocyanins are colored polyphenolic compounds that belong to the flavonoids family and are largely present in many vegetables and fruits. They have been used in traditional medicine in many cultures for a long time. The most common and abundant anthocyanins are those presenting an O-glycosylation at C-3 (C ring) of the flavonoid skeleton to form -O-β-glucoside derivatives. The present comprehensive review summarized recent data on the anticancer properties of cyanidings along with natural sources, phytochemical data, traditional medical applications, molecular mechanisms and recent nanostrategies to increase the bioavailability and anticancer effects of cyanidins. For this analysis, in vitro, in vivo and clinical studies published up to the year 2022 were sourced from scientific databases and search engines such as PubMed/Medline, Google scholar, Web of Science, Scopus, Wiley and TRIP database. Cyanidins' antitumor properties are exerted during different stages of carcinogenesis and are based on a wide variety of biological activities. The data gathered and discussed in this review allows for affirming that cyanidins have relevant anticancer activity in vitro, in vivo and clinical studies. Future research should focus on studies that bring new data on improving the bioavailability of anthocyanins and on conducting detailed translational pharmacological studies to accurately establish the effective anticancer dose in humans as well as the correct route of administration.
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Affiliation(s)
- Anna Maria Posadino
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy
| | - Roberta Giordo
- College of Medicine, Mohammed Bin Rashid University of Medicine and Health Sciences, 505055 Dubai, United Arab Emirates
| | - Iman Ramli
- Département de Biologie Animale, Université des frères Mentouri Constantine 1, 25000 Constantine, Algeria
| | - Hatem Zayed
- Department of Biomedical Sciences, College of Health Sciences, QU Health, Qatar University, Doha, Qatar
| | - Gheyath K Nasrallah
- Department of Biomedical Sciences, College of Health Sciences, QU Health, Qatar University, Doha, Qatar
| | - Zena Wehbe
- Vascular Biology Research Centre, Molecular and Clinical Research Institute, University of London, London, United Kingdom
| | - Ali H Eid
- Department of Basic Medical Sciences, College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Eda Sönmez Gürer
- Sivas Cumhuriyet University, Faculty of Pharmacy, Department of Pharmacognosy, Sivas, Turkey
| | - John F Kennedy
- Chembiotech Laboratories, Advanced Science and Technology Institute, Kyrewood House, Tenbury Wells, Worcs WR15 8FF, UK
| | - Afaf Ahmed Aldahish
- Department of Pharmacology & Toxicology, College of Pharmacy, King Khalid University, Abha 62529, Asir, Saudi Arabia
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, 200349 Craiova, Romania.
| | - Ahmad Faizal Abdull Razis
- Department of Food Science, Faculty of Food Science and Technology, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia; Natural Medicines and Products Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia.
| | - Babagana Modu
- Natural Medicines and Products Research Laboratory, Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM Serdang, Selangor, Malaysia; Department of Biochemistry, Faculty of Science, University of Maiduguri, 1069 Maiduguri, Borno state, Nigeria
| | - Solomon Habtemariam
- Pharmacognosy Research & Herbal Analysis Services UK, University of Greenwich, Central Avenue, Chatham-Maritime, Kent ME4 4TB, UK
| | | | - Gianfranco Pintus
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy; Department of Medical Laboratory Sciences, College of Health Sciences, and Sharjah Institute for Medical Research, University of Sharjah, Sharjah 27272, United Arab Emirates.
| | - William C Cho
- Department of Clinical Oncology, Queen Elizabeth Hospital, Kowloon, Hong Kong.
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Analysis of flavonoid-related metabolites in different tissues and fruit developmental stages of blackberry based on metabolome analysis. Food Res Int 2023; 163:112313. [PMID: 36596208 DOI: 10.1016/j.foodres.2022.112313] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2022] [Revised: 11/30/2022] [Accepted: 12/03/2022] [Indexed: 12/13/2022]
Abstract
Blackberry is an economically important shrub species of Rubus in the Rosaceae family. It is rich in phenolic compounds, which have many health effects and pharmaceutical value. The utilization of metabolites from various blackberry tissues is still in the primary stage of development, so investigating the metabolites in various tissues is of practical significance. In this study, nontargeted LC - MS metabolomics was used to identify and measure metabolites in the roots, stems, leaves and fruits (green, red, and black fruits) of blackberry "Chester". We found that 1,427 and 874 metabolites were annotated in the positive and negative ion modes (POS; NEG), respectively. Differentially abundant metabolites (DAMs) between the leaf and root groups were the most abundant (POS: 249; NEG: 141), and the DAMs between the green and red fruit groups were the least abundant (POS: 21; NEG: 14). Moreover, the DAMs in different fruit development stages were far less than those in different tissues. There were significant differences in flavonoid biosynthesis-related pathways among the comparison groups. Trend analysis showed that the profile 10 had the largest number of metabolites. This study provides a scientific basis for the classification and efficient utilization of resources in various tissues of blackberry plants and the directional development of blackberry products.
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Therapeutic and Nutraceutical Effects of Polyphenolics from Natural Sources. Molecules 2022; 27:molecules27196225. [PMID: 36234762 PMCID: PMC9572829 DOI: 10.3390/molecules27196225] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Revised: 09/14/2022] [Accepted: 09/17/2022] [Indexed: 11/16/2022] Open
Abstract
The prevalence of cardiovascular disease, oxidative stress-related complications, and chronic age-related illnesses is gradually increasing worldwide. Several causes include the ineffectiveness of medicinal treatment therapies, their toxicity, their inability to provide radical solutions in some diseases, and the necessity of multiple drug therapy in certain chronic diseases. It is therefore necessary for alternative treatment methods to be sought. In this review, polyphenols were identified and classified according to their chemical structure, and the sources of these polyphenol molecules are indicated. The cardioprotective, ROS scavenging, anti-aging, anticancer properties of polyphenolic compounds have been demonstrated by the results of many studies, and these natural antioxidant molecules are potential alternative therapeutic agents.
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Wu Y, Huang X, Zhang S, Zhang C, Yang H, Lyu L, Li W, Wu W. Small RNA and degradome sequencing reveal the role of blackberry miRNAs in flavonoid and anthocyanin synthesis during fruit ripening. Int J Biol Macromol 2022; 213:892-901. [PMID: 35691433 DOI: 10.1016/j.ijbiomac.2022.06.035] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 06/06/2022] [Accepted: 06/07/2022] [Indexed: 12/28/2022]
Abstract
Blackberry shrubs are economically important for their production of small, pulped fruits. This species has attracted much attention because of the unique flavor of its fruits and their rich nutritional and medicinal value. In this study, microRNAs (miRNAs) and their target genes related to flavonoids and anthocyanins in blackberry fruits during ripening were analyzed and identified by small RNA and degradome sequencing technology, and the expression levels of key miRNAs in unripe and ripe blackberry fruits were verified via the RT-qPCR. A total of 258 known miRNAs were identified. Eighty differentially expressed miRNAs (DEMs) were detected in the fruits of the ripe group compared with those of the unripe group. Differentially expressed miR828-x/miR828-z and unigene0086056 (unknown function) were coexpressed. Moreover, miR858 had the most target genes for the synthesis of flavonoids and anthocyanins. Taken together, these results provide important value for improving the quality of blackberry fruits and breeding blackberry plants that produce high-flavonoid fruits for the pharmaceutical industry.
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Affiliation(s)
- Yaqiong Wu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Qian Hu Hou Cun No. 1, Nanjing 210014, China
| | - Xin Huang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Qian Hu Hou Cun No. 1, Nanjing 210014, China
| | - Shanshan Zhang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Qian Hu Hou Cun No. 1, Nanjing 210014, China
| | - Chunhong Zhang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Qian Hu Hou Cun No. 1, Nanjing 210014, China
| | - Haiyan Yang
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Qian Hu Hou Cun No. 1, Nanjing 210014, China
| | - Lianfei Lyu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Qian Hu Hou Cun No. 1, Nanjing 210014, China
| | - Weilin Li
- Co-Innovation Center for Sustainable Forestry in Southern China, Nanjing Forestry University, 159 Longpan Road, Nanjing 210037, China.
| | - Wenlong Wu
- Institute of Botany, Jiangsu Province and Chinese Academy of Sciences, Jiangsu Key Laboratory for the Research and Utilization of Plant Resources, The Jiangsu Provincial Platform for Conservation and Utilization of Agricultural Germplasm, Qian Hu Hou Cun No. 1, Nanjing 210014, China.
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Wu Y, Zhang C, Huang Z, Lyu L, Li W, Wu W. Integrative analysis of the metabolome and transcriptome provides insights into the mechanisms of flavonoid biosynthesis in blackberry. Food Res Int 2022; 153:110948. [DOI: 10.1016/j.foodres.2022.110948] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 01/06/2022] [Accepted: 01/07/2022] [Indexed: 11/28/2022]
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Topoisomerase poisoning by the flavonoid nevadensin triggers DNA damage and apoptosis in human colon carcinoma HT29 cells. Arch Toxicol 2021; 95:3787-3802. [PMID: 34635930 PMCID: PMC8536574 DOI: 10.1007/s00204-021-03162-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2021] [Accepted: 09/16/2021] [Indexed: 11/16/2022]
Abstract
Nevadensin, an abundant polyphenol of basil, is reported to reduce alkenylbenzene DNA adduct formation. Furthermore, it has a wide spectrum of further pharmacological properties. The presented study focuses the impact of nevadensin on topoisomerases (TOPO) in vitro. Considering the DNA-intercalating properties of flavonoids, first, minor groove binding properties (IC50 = 31.63 µM), as well as DNA intercalation (IC50 = 296.91 µM) of nevadensin, was found. To determine potential in vitro effects on TOPO I and TOPO IIα, the relaxation and decatenation assay was performed in a concentration range of 1–500 µM nevadensin. A partial inhibition was detected for TOPO I at concentrations ≥ 100 µM, whereas TOPO IIα activity is only inhibited at concentrations ≥ 250 µM. To clarify the mode of action, the isolating in vivo complex of enzyme assay was carried out using human colon carcinoma HT29 cells. After 1 h of incubation, the amount of TOPO I linked to DNA was significantly increased by nevadensin (500 µM), why nevadensin was characterized as TOPO I poison. However, no effects on TOPO IIα were detected in the cellular test system. As a subsequent cellular response to TOPO I poisoning, a highly significant increase of DNA damage after 2 h and a decrease of cell viability after 48 h at the same concentration range were found. Furthermore, after 24 h of incubation a G2/M arrest was observed at concentrations ≥ 100 µM by flow cytometry. The analysis of cell death revealed that nevadensin induces the intrinsic apoptotic pathway via activation of caspase-9 and caspase-3. The results suggest that cell cycle disruption and apoptotic events play key roles in the cellular response to TOPO I poisoning caused by nevadensin in HT29 cells.
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Pahlke G, Ahlberg K, Oertel A, Janson‐Schaffer T, Grabher S, Mock H, Matros A, Marko D. Antioxidant Effects of Elderberry Anthocyanins in Human Colon Carcinoma Cells: A Study on Structure-Activity Relationships. Mol Nutr Food Res 2021; 65:e2100229. [PMID: 34212508 PMCID: PMC8459241 DOI: 10.1002/mnfr.202100229] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2021] [Revised: 06/09/2021] [Indexed: 12/14/2022]
Abstract
SCOPE Glycosylation is a way to increase structure-stability of anthocyanins, yet compromises their bioactivity. The study investigates the antioxidant activity of purified cyanidin (Cy)-based anthocyanins and respective degradation products in Caco-2 clone C2BBe1 aiming to identify structure-activity relationships. RESULTS AND METHODS Cyanidin 3-O-glucoside (Cy-3-glc) and cyanidin 3-O-sambubioside (Cy-3-sam) proved to be most potent regarding antioxidant properties and protection against hydrogen peroxide (H2 O2 )-induced reactive oxygen species (ROS)-levels measured with the dichloro-fluorescein (DCF) assay. Cyanidin 3-O-sambubioside-5-O-glucoside (Cy-3-sam-5-glc) and cyanidin 3-O-rutinoside (Cy-3-rut) were less efficient and not protective, reflecting potential differences in uptake and/or degradation. Following ranking in antioxidant efficiency is suggested: (concentrations ≤10 × 10-6 M) Cy-3-glc ≥ Cy-3-sam > Cy-3-sam-5-glc ≈ Cy-3-rut ≈ Cy; (concentrations ≥50 × 10-6 M) Cy-3-glc ≈ Cy-3-sam ≥ Cy > Cy-3-sam-5-glc ≈ Cy-3-rut. Cy and protocatechuic acid (PCA) reduced ROS-levels as potent as the mono- and di-glycoside, whereas phloroglucinol aldehyde (PGA) displayed pro-oxidant properties. None of the degradation products protected from oxidative stress. Gene transcription analysis of catalase (CAT), superoxide-dismutase (SOD), glutathione-peroxidase (GPx), heme-oxygenase-1 (HO-1), and glutamate-cysteine-ligase (γGCL) suggest no activation of nuclear factor erythroid 2-related factor 2 (Nrf2). CONCLUSION More complex residues and numbers of sugar moieties appear to be counterproductive for antioxidant activity. Other mechanisms than Nrf2-activation should be considered for protective effects.
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Affiliation(s)
- Gudrun Pahlke
- Department of Food Chemistry and ToxicologyUniversity of ViennaWaehringerstr. 38ViennaA‐1090Austria
| | - Katarina Ahlberg
- Department of Food Chemistry and ToxicologyUniversity of ViennaWaehringerstr. 38ViennaA‐1090Austria
| | - Anne Oertel
- Department of Physiology and Cell BiologyLeibniz Institute of Plant Genetics and Crop Plant Research (IPK‐Gatersleben)Corrensstr. 3GaterslebenD‐06466Germany
- Present address:
University of Art and DesignNeuwerk 7Halle (Saale)D‐06108Germany
| | - Theresa Janson‐Schaffer
- Department of Food Chemistry and ToxicologyUniversity of ViennaWaehringerstr. 38ViennaA‐1090Austria
| | - Stephanie Grabher
- Department of Food Chemistry and ToxicologyUniversity of ViennaWaehringerstr. 38ViennaA‐1090Austria
| | - Hans‐Peter Mock
- Department of Physiology and Cell BiologyLeibniz Institute of Plant Genetics and Crop Plant Research (IPK‐Gatersleben)Corrensstr. 3GaterslebenD‐06466Germany
| | - Andrea Matros
- Department of Physiology and Cell BiologyLeibniz Institute of Plant Genetics and Crop Plant Research (IPK‐Gatersleben)Corrensstr. 3GaterslebenD‐06466Germany
- Present address:
School of AgricultureFood and WineUniversity of AdelaideWaite CampusUrrbraeSA5064Australia
| | - Doris Marko
- Department of Food Chemistry and ToxicologyUniversity of ViennaWaehringerstr. 38ViennaA‐1090Austria
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Liu XJ, Wang XR, Tang HR, Chen Q. The complete chloroplast genome sequence of a hybrid blackberry ( Rubus spp.) cultivar. Mitochondrial DNA B Resour 2021; 6:2103-2104. [PMID: 34250230 PMCID: PMC8245066 DOI: 10.1080/23802359.2020.1751003] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2022] Open
Abstract
Blackberry (Rubus spp.) is an important hybrid fruit crop popular in the US Pacific Northwest and the European region with complex origins. In this study, we report the complete chloroplast genome sequence of a hybrid blackberry cultivar 'Arapohol' using next-generation sequencing technology. The complete chloroplast genome size is 156,621 bp. The genome contains 134 genes, including 40 tRNA genes, 86 protein-coding genes, and 8 rRNA genes. Phylogenetic analysis based on 11 complete chloroplast genomes revealed that taxa is closely related to Rubus niveus. The complete chloroplast genome of this Rubus sp. provides valuable information for understanding the origination of this crop species.
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Affiliation(s)
- Xun-Ju Liu
- College of Horticulture, Sichuan Agricultural University, Chengdu, China
| | - Xiao-Rong Wang
- College of Horticulture, Sichuan Agricultural University, Chengdu, China.,Institute of Pomology and Olericulture, Sichuan Agricultural University, Chengdu, China
| | - Hao-Ru Tang
- College of Horticulture, Sichuan Agricultural University, Chengdu, China.,Institute of Pomology and Olericulture, Sichuan Agricultural University, Chengdu, China
| | - Qing Chen
- College of Horticulture, Sichuan Agricultural University, Chengdu, China
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Moghadam D, Zarei R, Tatar M, Khoshdel Z, Mashayekhi FJ, Naghibalhossaini F. Anti-Proliferative and Anti-Telomerase Effects of Blackberry Juice and Berry-Derived Polyphenols on HepG2 Liver Cancer Cells and Normal Human Blood Mononuclear Cells. Anticancer Agents Med Chem 2021; 22:395-403. [PMID: 33719965 DOI: 10.2174/1871520621666210315092503] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 01/19/2021] [Accepted: 02/08/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Previous studies have provided strong evidence for anticancer activity of berry fruits. OBJECTIVE In this study, we investigated the effects of blackberry juice and three berry- polyphenolic compounds on cell proliferation and telomerase activity in human hepatoma HepG2 and normal peripheral blood mononuclear cells (PBMCs). METHODS The cell viability and telomerase activity were measured by MTT and TRAP assay, respectively. Berry effects on the expression of genes were determined by quantitative RT-PCR assay. RESULTS Blackberry, gallic acid, and resveratrol inhibited proliferation of both HepG2 and PBMC cells in a dose-dependent manner. Resveratrol was more effective than gallic acid for reducing the viability of HepG2 cells, but both showed the same level of growth inhibition in PBMC cells. Berry, resveratrol, and gallic acid significantly inhibited telomerase activity in HepG2 cells. The antiproliferative effect of berry was associated with apoptotic DNA fragmentation. Gallic acid was more effective for reducing telomerase activity than resveratrol, but anthocyanin moderately increased telomerase activity in cancer cells. Telomerase activity was induced by all three polyphenols in PBMCs. Overall, Krumanin chloride was more effective to induce telomerase than gallic acid and resveratrol in PBMC cells. There was no significant difference in hTERT, hTR, and Dnmts expressions between berry treated and the control untreated HepG2 cells. But, a significant downregulation of HDAC1 and HDAC2 and upregulation of SIRT1 were observed in berry-treated cells. CONCLUSION These data indicate that the berry anticancer effect is associated with antitelomerase activity and changes in HDACs expression. The data also suggest that berry antitelomerase activity is mainly related to its gallic acid and resveratrol, but not anthocyanin content.
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Affiliation(s)
- Delaram Moghadam
- Department of Biochemistry, Shiraz University of Medical Sciences, School of Medicine, Shiraz. Iran
| | - Reza Zarei
- Department of Biochemistry, Shiraz University of Medical Sciences, School of Medicine, Shiraz. Iran
| | - Mohsen Tatar
- Department of Biochemistry, Shiraz University of Medical Sciences, School of Medicine, Shiraz. Iran
| | - Zahra Khoshdel
- Department of Biochemistry, Shiraz University of Medical Sciences, School of Medicine, Shiraz. Iran
| | - Farideh Jalali Mashayekhi
- Department of Biochemistry and Genetics, School of Medicine, Arak University of Medical Sciences, Arak. Iran
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Navarro-Hortal MD, Varela-López A, Romero-Márquez JM, Rivas-García L, Speranza L, Battino M, Quiles JL. Role of flavonoids against adriamycin toxicity. Food Chem Toxicol 2020; 146:111820. [PMID: 33080329 DOI: 10.1016/j.fct.2020.111820] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2020] [Revised: 10/13/2020] [Accepted: 10/15/2020] [Indexed: 12/13/2022]
Abstract
Doxorubicin (DOX), or adriamycin, is an anthracycline antineoplastic drug widely used in the chemotherapy of a large variety of cancers due to its potency and action spectrum. However, its use is limited by the toxicity on healthy cells and its acute and chronic side effects. One of the developed strategies to attenuate DOX toxicity is the combined therapy with bioactive compounds such as flavonoids. This review embraces the role of flavonoids on DOX treatment side effects. Protective properties of some flavonoidss against DOX toxicity have been investigated and observed mainly in heart but also in liver, kidney, brain, testis or bone marrow. Protective mechanisms involve reduction of oxidative stress by decrease of ROS levels and/or increase antioxidant defenses and interferences with autophagy, apoptosis and inflammation. Studies in cancer cells have reported that the anticancer activity of DOX was not compromised by the flavonoids. Moreover, some of them increased DOX efficiency as anti-cancer drug even in multidrug resistant cells.
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Affiliation(s)
- María D Navarro-Hortal
- Biomedical Research Centre, Institute of Nutrition and Food Technology "José Mataix Verdú", Department of Physiology, University of Granada, Avda. del Conocimiento s/n, 18100, Armilla, Granada, Spain.
| | - Alfonso Varela-López
- Biomedical Research Centre, Institute of Nutrition and Food Technology "José Mataix Verdú", Department of Physiology, University of Granada, Avda. del Conocimiento s/n, 18100, Armilla, Granada, Spain.
| | - José M Romero-Márquez
- Biomedical Research Centre, Institute of Nutrition and Food Technology "José Mataix Verdú", Department of Physiology, University of Granada, Avda. del Conocimiento s/n, 18100, Armilla, Granada, Spain.
| | - Lorenzo Rivas-García
- Biomedical Research Centre, Institute of Nutrition and Food Technology "José Mataix Verdú", Department of Physiology, University of Granada, Avda. del Conocimiento s/n, 18100, Armilla, Granada, Spain; Sport and Health Research Centre, University of Granada, C/. Menéndez Pelayo 32, 18016, Armilla, Granada, Spain.
| | - Lorenza Speranza
- Department of Medicine and Aging Sciences, University "G. d'Annunzio" Chieti-Pescara, Via dei Vestini 31, 66100, CH, Italy.
| | - Maurizio Battino
- Department of Clinical Sicences, Università Politecnica delle Marche, 60131, Ancona, Italy; International Research Center for Food Nutrition and Safety, Jiangsu University, Zhenjiang, 212013, China.
| | - José L Quiles
- Biomedical Research Centre, Institute of Nutrition and Food Technology "José Mataix Verdú", Department of Physiology, University of Granada, Avda. del Conocimiento s/n, 18100, Armilla, Granada, Spain.
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Dharmawansa KS, Hoskin DW, Rupasinghe HPV. Chemopreventive Effect of Dietary Anthocyanins against Gastrointestinal Cancers: A Review of Recent Advances and Perspectives. Int J Mol Sci 2020; 21:ijms21186555. [PMID: 32911639 PMCID: PMC7554903 DOI: 10.3390/ijms21186555] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 08/28/2020] [Accepted: 09/02/2020] [Indexed: 12/14/2022] Open
Abstract
Anthocyanins are a group of dietary polyphenols, abundant mainly in fruits and their products. Dietary interventions of anthocyanins are being studied extensively related to the prevention of gastrointestinal (GI) cancer, among many other chronic disorders. This review summarizes the hereditary and non-hereditary characteristics of GI cancers, chemistry, and bioavailability of anthocyanins, and the most recent findings of anthocyanin in GI cancer prevention through modulating cellular signaling pathways. GI cancer-preventive attributes of anthocyanins are primarily due to their antioxidative, anti-inflammatory, and anti-proliferative properties, and their ability to regulate gene expression and metabolic pathways, as well as induce the apoptosis of cancer cells.
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Affiliation(s)
- K.V. Surangi Dharmawansa
- Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada;
| | - David W. Hoskin
- Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada;
- Department of Microbiology and Immunology, and Department of Surgery, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada
| | - H. P. Vasantha Rupasinghe
- Department of Plant, Food, and Environmental Sciences, Faculty of Agriculture, Dalhousie University, Truro, NS B2N 5E3, Canada;
- Department of Pathology, Faculty of Medicine, Dalhousie University, Halifax, NS B3H 4R2, Canada;
- Correspondence: ; Tel.: +1-902-893-6623
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Aichinger G, Lichtenberger FB, Steinhauer TN, Flörkemeier I, Del Favero G, Clement B, Marko D. The Aza-Analogous Benzo[ c]phenanthridine P8-D6 Acts as a Dual Topoisomerase I and II Poison, thus Exhibiting Potent Genotoxic Properties. Molecules 2020; 25:molecules25071524. [PMID: 32230817 PMCID: PMC7180443 DOI: 10.3390/molecules25071524] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 03/21/2020] [Accepted: 03/25/2020] [Indexed: 11/16/2022] Open
Abstract
The benzo[c]phenanthridine P8-D6 was recently found to suppress the catalytic activity of both human topoisomerase (Topo) I and II. Concomitantly, potent cytotoxic activity was observed in different human tumor cell lines, raising questions about the underlying mechanisms in vitro. In the present study, we addressed the question of whether P8-D6 acts as a so-called Topo poison, stabilizing the covalent Topo-DNA intermediate, thus inducing fatal DNA strand breaks in proliferating cells. In HT-29 colon carcinoma cells, fluorescence imaging revealed P8-D6 to be taken up by the cells and to accumulate in the perinuclear region. Confocal microscopy demonstrated that the compound is partially located inside the nuclei, thus reaching the potential target. In the "in vivo complex of enzyme" (ICE) bioassay, treatment of HT-29 cells with P8-D6 for 1 h significantly enhanced the proportion of Topo I and II covalently linked to the DNA in concentrations ≥1 µM, indicating effective dual Topo poisoning. Potentially resulting DNA damage was analyzed by single-cell gel electrophoresis ("comet assay"). Already at 1 h of incubation, significant genotoxic effects were observed in the comet assay in concentrations as low as 1 nM. Taken together, the present study demonstrates the high Topo-poisoning and genotoxic potential of P8-D6 in human tumor cells.
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Affiliation(s)
- Georg Aichinger
- University of Vienna, Faculty of Chemistry, Department of Food Chemistry and Toxicology, Waehringerstr. 38, A-1090 Vienna, Austria; (G.A.); (F.-B.L.); (G.D.F.)
| | - Falk-Bach Lichtenberger
- University of Vienna, Faculty of Chemistry, Department of Food Chemistry and Toxicology, Waehringerstr. 38, A-1090 Vienna, Austria; (G.A.); (F.-B.L.); (G.D.F.)
- Christian-Albrechts-University Kiel, Pharmaceutical Institute, Department of Pharmaceutical and Medicinal Chemistry, Gutenbergstraße 76, D-24118 Kiel, Germany; (T.N.S.); (I.F.); (B.C.)
| | - Tamara N. Steinhauer
- Christian-Albrechts-University Kiel, Pharmaceutical Institute, Department of Pharmaceutical and Medicinal Chemistry, Gutenbergstraße 76, D-24118 Kiel, Germany; (T.N.S.); (I.F.); (B.C.)
| | - Inken Flörkemeier
- Christian-Albrechts-University Kiel, Pharmaceutical Institute, Department of Pharmaceutical and Medicinal Chemistry, Gutenbergstraße 76, D-24118 Kiel, Germany; (T.N.S.); (I.F.); (B.C.)
| | - Giorgia Del Favero
- University of Vienna, Faculty of Chemistry, Department of Food Chemistry and Toxicology, Waehringerstr. 38, A-1090 Vienna, Austria; (G.A.); (F.-B.L.); (G.D.F.)
| | - Bernd Clement
- Christian-Albrechts-University Kiel, Pharmaceutical Institute, Department of Pharmaceutical and Medicinal Chemistry, Gutenbergstraße 76, D-24118 Kiel, Germany; (T.N.S.); (I.F.); (B.C.)
| | - Doris Marko
- University of Vienna, Faculty of Chemistry, Department of Food Chemistry and Toxicology, Waehringerstr. 38, A-1090 Vienna, Austria; (G.A.); (F.-B.L.); (G.D.F.)
- Correspondence:
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Abstract
Fruits come in a wide variety of colors, shapes, and flavors. This chapter will cover selected fruits that are known to be healthy and highly nutritious. These fruits were chosen due to their common usage and availability. Since it is not possible to cover all health benefits or essential nutrients and important phytochemicals of the fruit composition, this chapter will focus on the key valuable constituents and their potential health effects.
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Affiliation(s)
- Sawsan G Mohammed
- Qatar Research Leadership Program (QRLP), Qatar Foundation, Doha, Qatar.
| | - M Walid Qoronfleh
- Research & Policy Department, World Innovation Summit for Health (WISH), Qatar Foundation, Doha, Qatar.
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Polyphenols: Major regulators of key components of DNA damage response in cancer. DNA Repair (Amst) 2019; 82:102679. [DOI: 10.1016/j.dnarep.2019.102679] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 07/27/2019] [Accepted: 07/27/2019] [Indexed: 02/06/2023]
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Abstract
The enduring relationship between dietary patterns and human health has led us to investigate the bioactive components present in fruits and vegetables for a very long time. Berries, notably the popular ones such as strawberry, raspberry, blueberry, blackberry, and the Indian gooseberry, are among the best known dietary sources due to the presence of a wide range of bioactive nutritive components. Bioactive components in berries include phenolic compounds, flavonoids, and tannins apart from vitamins, minerals, sugars, and fibers. Individually or synergistically, these have been shown to provide protection against several disorders. Mounting evidence suggests that consumption of berries confer antioxidant and anticancer protection to humans and animals. Free radical scavenging, protection from DNA damage, induction of apoptosis, and inhibition of growth and proliferation of cancer cells are just to name a few. This review comprehensively summarizes the key phytochemicals present in berries and their biological action in preventing oxidative stress and carcinogenesis.
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Affiliation(s)
- Bincy Baby
- a Department of Biology, College of Science , United Arab Emirates University , Al Ain , United Arab Emirates
| | - Priya Antony
- a Department of Biology, College of Science , United Arab Emirates University , Al Ain , United Arab Emirates
| | - Ranjit Vijayan
- a Department of Biology, College of Science , United Arab Emirates University , Al Ain , United Arab Emirates
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Lin B, Gong C, Song H, Cui Y. Effects of anthocyanins on the prevention and treatment of cancer. Br J Pharmacol 2017; 174:1226-1243. [PMID: 27646173 PMCID: PMC5429338 DOI: 10.1111/bph.13627] [Citation(s) in RCA: 203] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2016] [Revised: 08/17/2016] [Accepted: 09/13/2016] [Indexed: 02/04/2023] Open
Abstract
Anthocyanins are a class of water-soluble flavonoids, which show a range of pharmacological effects, such as prevention of cardiovascular disease, obesity control and antitumour activity. Their potential antitumour effects are reported to be based on a wide variety of biological activities including antioxidant; anti-inflammation; anti-mutagenesis; induction of differentiation; inhibiting proliferation by modulating signal transduction pathways, inducing cell cycle arrest and stimulating apoptosis or autophagy of cancer cells; anti-invasion; anti-metastasis; reversing drug resistance of cancer cells and increasing their sensitivity to chemotherapy. In this review, the latest progress on the anticancer activities of anthocyanins and the underlying molecular mechanisms is summarized using data from basic research in vitro and in vivo, from clinical trials and taking into account theory and practice. LINKED ARTICLES This article is part of a themed section on Principles of Pharmacological Research of Nutraceuticals. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v174.11/issuetoc.
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Affiliation(s)
- Bo‐Wen Lin
- Department of Regenerative MedicineTongji University School of MedicineShanghaiChina
| | - Cheng‐Chen Gong
- Department of Regenerative MedicineTongji University School of MedicineShanghaiChina
| | - Hai‐Fei Song
- Department of Regenerative MedicineTongji University School of MedicineShanghaiChina
| | - Ying‐Yu Cui
- Department of Regenerative MedicineTongji University School of MedicineShanghaiChina
- Key Laboratory of ArrhythmiasMinistry of Education (Tongji University)ShanghaiChina
- Institute of Medical GeneticsTongji University School of MedicineShanghaiChina
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Aichinger G, Beisl J, Marko D. Genistein and delphinidin antagonize the genotoxic effects of the mycotoxin alternariol in human colon carcinoma cells. Mol Nutr Food Res 2016; 61. [PMID: 27628123 DOI: 10.1002/mnfr.201600462] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2016] [Revised: 09/08/2016] [Accepted: 09/11/2016] [Indexed: 12/19/2022]
Abstract
SCOPE Although associated with anti-oxidative properties, genistein has been reported to induce DNA strand breaks, whereby oxidative stress and topoisomerase poisoning are considered as potential mechanisms. In contrast, delphinidin, a catalytic topoisomerase inhibitor, is known to suppress the DNA-damaging properties of several topoisomerase poisons. Recently, alternariol, a mycotoxin produced by Alternaria spp., was found not only to induce oxidative stress but also to act as a topoisomerase poison. As both, polyphenols and mycotoxins, might occur in our nutrition simultaneously, the question was addressed whether potential combinatory effects on DNA integrity have to be considered. METHODS AND RESULTS We determined combinatory effects of either genistein or delphinidin with alternariol in HT-29 cells. Cytotoxicity was assessed by WST-1 and SRB assays, whereby only weak interactions were observed. The comet assay revealed significant antagonistic interactions of both polyphenols with the genotoxicity of AOH. The underlying mechanism comprises the suppression of alternariol-mediated stabilization of DNA/topoisomerase-II-intermediates, as observed in the ICE assay. Furthermore, DEL but not GEN was found to suppress AOH-mediated oxidative stress. CONCLUSION Our data indicate that a respective polyphenol-rich diet might aid to protect against genotoxic damages caused by AOH, whereby bioactive concentrations of DEL are predominantly expected locally in the intestines.
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Affiliation(s)
- Georg Aichinger
- Faculty of Chemistry, Department of Food Chemistry and Toxicology, University of Vienna, Vienna, Austria
| | - Julia Beisl
- Faculty of Chemistry, Department of Food Chemistry and Toxicology, University of Vienna, Vienna, Austria
| | - Doris Marko
- Faculty of Chemistry, Department of Food Chemistry and Toxicology, University of Vienna, Vienna, Austria
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Ma Y, Hou CJ, Fa HB, Huo DQ, Yang M. Synthesis and antioxidant property of hydroxycinnamoyl maltodextrin derivatives. Int J Food Sci Technol 2016. [DOI: 10.1111/ijfs.13226] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Yi Ma
- Key Laboratory of Biorheology Science and Technology; Ministry of Education; College of Bioengineering; Chongqing University; Chongqing 400044 China
- Liquor Making Biology Technology and Application of Key Laboratory of Sichuan Province; College of Bioengineering; Sichuan University of Science and Engineering; Zigong 643000 China
| | - Chang-Jun Hou
- Key Laboratory of Biorheology Science and Technology; Ministry of Education; College of Bioengineering; Chongqing University; Chongqing 400044 China
| | - Huan-Bao Fa
- Key Laboratory of Biorheology Science and Technology; Ministry of Education; College of Bioengineering; Chongqing University; Chongqing 400044 China
| | - Dan-Qun Huo
- Key Laboratory of Biorheology Science and Technology; Ministry of Education; College of Bioengineering; Chongqing University; Chongqing 400044 China
| | - Mei Yang
- Key Laboratory of Biorheology Science and Technology; Ministry of Education; College of Bioengineering; Chongqing University; Chongqing 400044 China
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Aichinger G, Pahlke G, Nagel LJ, Berger W, Marko D. Bilberry extract, its major polyphenolic compounds, and the soy isoflavone genistein antagonize the cytostatic drug erlotinib in human epithelial cells. Food Funct 2016; 7:3628-36. [PMID: 27485636 DOI: 10.1039/c6fo00570e] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Erlotinib (Tarceva®) is a chemotherapeutic drug approved for the treatment of pancreatic cancer and non-small cell lung cancer. Its primary mode of action is the inhibition of the epidermal growth factor receptor (EGFR), a receptor tyrosine kinase (RTK). Recently, RTK-inhibiting polyphenols have been reported to interact synergistically with erlotinib. Furthermore some anthocyanidins and anthocyanin-rich berry extracts have been reported to inhibit tyrosine kinases, including the EGFR, which raises the question of potential interactions with erlotinib. Polyphenol-rich preparations such as berry- or soy-based products are commercially available as food supplements. In the present study we tested a bilberry extract, its major anthocyanin and potential intestinal degradation products, as well as genistein, with respect to possible interactions with erlotinib. Cell growth inhibition was assessed using the sulforhodamine B assay, while interactions with EGFR phosphorylation were analyzed by SDS-PAGE/western blotting with subsequent immunodetection. Genistein, bilberry extract, delphinidin-3-O-glucoside and delphinidin were found to antagonize erlotinib whereas phloroglucinol aldehyde was found to enhance cytostatic effects of the drug on human epithelial A431 cells. Genistein also antagonized the EGFR inhibitory effects of erlotinib, whereas bilberry anthocyanins showed no significant interactions in this regard. Our data indicate that different polyphenols are potentially able to impair the cytostatic effect of erlotinib in vitro. Genistein interacts via the modulation of erlotinib-mediated EGFR inhibition whereas bilberry anthocyanins modulated the growth-inhibitory effect of erlotinib without affecting EGFR phosphorylation, thus indicating a different mechanism of interference.
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Affiliation(s)
- G Aichinger
- Department of Food Chemistry and Toxicology, University of Vienna, Waehringerstr. 38, A-1090 Vienna, Austria.
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Vorob'eva IV, Vorob'eva IV. [Current data on the role of anthocyanosides and flavonoids in the treatment of eye diseases]. Vestn Oftalmol 2016; 131:104-110. [PMID: 26845880 DOI: 10.17116/oftalma20151315104-108] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Abstract
Anthocyanins are known to have antioxidant, anti-inflammatory, neuroprotective, and anticarcinogenic activity as well as positive effect on the cardiovascular system. Because of bilberry anthocyanosides (Vaccinium myrtillus L.), Mirtilene forte promotes rhodopsin synthesis and regeneration, increases retinal sensitivity to changes in light intensity, improves visual acuity and dark adaptation as well as blood supply of the retina. Studies conducted in Russia are aimed at evaluating the use of Mirtilene forte in age-related macular degeneration, diabetic retinopathy, primary open-angle glaucoma, and other diseases. This article provides an analysis of foreign and Russian publications on the effects of anthocyanins and flavonoids in different diseases.
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Affiliation(s)
- I V Vorob'eva
- Russian Medical Academy of Postgraduate Education, Ministry of Health of the Russian Federation, 2/1 Barrikadnaya St., Moscow, Russian Federation, 125993; City Clinical Hospital named after S.P. Botkin, Branch #1, Moscow Health Department, 7 Mamonovskiy pereulok, Moscow, Russian Federation, 123001
| | - I V Vorob'eva
- Russian Medical Academy of Postgraduate Education, Ministry of Health of the Russian Federation, 2/1 Barrikadnaya St., Moscow, Russian Federation, 125993; City Clinical Hospital named after S.P. Botkin, Branch #1, Moscow Health Department, 7 Mamonovskiy pereulok, Moscow, Russian Federation, 123001
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Shin BK, Kang S, Han JI, Park S. Quality and Sensory Characteristics of Fermented Milk Adding Black Carrot Extracts Fermented with Aspergillus oryzae. ACTA ACUST UNITED AC 2015. [DOI: 10.7318/kjfc/2015.30.3.370] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Khandelwal N, Abraham SK. Intake of anthocyanidins pelargonidin and cyanidin reduces genotoxic stress in mice induced by diepoxybutane, urethane and endogenous nitrosation. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2014; 37:837-843. [PMID: 24642102 DOI: 10.1016/j.etap.2014.02.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2013] [Revised: 02/12/2014] [Accepted: 02/13/2014] [Indexed: 06/03/2023]
Abstract
Pelargonidin (PEL) and cyanidin (CYN) are among the six most abundant anthocyanidins which provide red, blue and purple colors to fruits and vegetables. Health benefits associated with intake of anthocyanins have been attributed mainly to antioxidant activity of these color pigments. The aim of our present study was to assess in mice the impact of PEL and CYN intake on genotoxic stress induced by DNA damaging environmental toxicants. These anthocyanidins were administered by gavage to mice before exposure to genotoxic carcinogens diepoxybutane (DEB) and urethane (URE). In addition, the inhibitory effect of PEL and CYN on endogenous nitrosation was evaluated by using a model nitrosation reaction mixture consisting of methyl urea (MU)+sodium nitrite (SN) which reacts in the stomach to form the carcinogenic methyl nitrosourea (MNU). All the test doses of PEL (2.5-20 mg/kg) and CYN (1-4 mg/kg) significantly reduced the genotoxicity of DEB. A dose-related increase was observed for antigenotoxicity of PEL against URE. The lowest test-dose of CYN showed maximum protection against URE. Co-administration of PEL/CYN with the nitrosation reaction mixture led to reduction in genotoxicity. CYN was more effective as an inhibitor of endogenous nitrosation. Combination of PEL with ascorbic acid (AA) enhanced the antinitrosating effect when compared to that with each phytochemical alone. The results of our present study indicate that common anthocyanidins PEL and CYN can play a major role in reducing genotoxic stress induced by environmental toxicants.
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Affiliation(s)
- Nidhi Khandelwal
- School of Life Sciences, Jawaharlal Nehru University, New Delhi 110067, India
| | - Suresh K Abraham
- School of Life Sciences, Jawaharlal Nehru University, New Delhi 110067, India.
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Dezhenkova LG, Tsvetkov VB, Shtil AA. Topoisomerase I and II inhibitors: chemical structure, mechanisms of action and role in cancer chemotherapy. RUSSIAN CHEMICAL REVIEWS 2014. [DOI: 10.1070/rc2014v083n01abeh004363] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Baechler SA, Schroeter A, Dicker M, Steinberg P, Marko D. Topoisomerase II-targeting properties of a grapevine-shoot extract and resveratrol oligomers. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2014; 62:780-788. [PMID: 24369070 DOI: 10.1021/jf4046182] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Grapevine-shoot extracts (GSE), containing trans-resveratrol and resveratrol oligomers, are commercially available as food supplements. Considering the topoisomerase-targeting properties of trans-resveratrol, the question of whether GSE affect these enzymes, thereby potentially causing DNA damage, was addressed. In a decatenation assay, GSE potently suppressed the catalytic activity of topoisomerase IIα (≥5 μg/mL). The resveratrol oligomers ε-viniferin, r2-viniferin, and hopeaphenol, isolated from GSE, were also identified as topoisomerase IIα inhibitors. In the in vivo complexes of enzyme to DNA (ICE) bioassay, neither GSE, r2-viniferin, nor hopeaphenol affected the level of enzyme-DNA intermediates in A431 cells, thus representing catalytic inhibitors rather than topoisomerase poisons. GSE caused moderate DNA strand breaks (≥25 μg/mL) in the comet assay. Taken together, GSE presumably acts as a catalytic inhibitor of topoisomerase II with r2-viniferin and hopeaphenol as potentially contributing constituents. However, the increase of FPG-sensitive sites points to an additional mechanism that may contribute to the DNA-damaging properties of GSE constituents.
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Affiliation(s)
- Simone A Baechler
- Department of Food Chemistry and Toxicology, University of Vienna , Waehringerstrasse 38, A-1090 Vienna, Austria
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Esselen M, Barth SW, Winkler S, Baechler S, Briviba K, Watzl B, Skrbek S, Marko D. Anthocyanins suppress the cleavable complex formation by irinotecan and diminish its DNA-strand-breaking activity in the colon of Wistar rats. Carcinogenesis 2012; 34:835-40. [PMID: 23275152 DOI: 10.1093/carcin/bgs398] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
In the present study, the question was addressed whether anthocyanins interfere with the topoisomerase I poison irinotecan in vivo. In vivo complexes of enzyme to DNA bioassay was used to detect irinotecan-induced stabilization of topoisomerase I/DNA complexes and single cell gel electrophoresis to determine DNA-strand-break induction in the colon of male Wistar rats. Furthermore, analysis of anthocyanin concentrations in rat plasma and rat colon was included in the testing, demonstrating that anthocyanins reach the colon and the concentrations do not differ between rats that only received anthocyanins and the anthocyanin/irinotecan group. Blackberry extract was found to significantly reduce irinotecan-mediated topoisomerase I/DNA cleavable complex formation. Overall, anthocyanins did not notably increase cleavable complex formation. However, a significant increase of DNA damage was shown after a single dose of irinotecan as well as the single compounds cyanidin (cy) and cyanidin-3-glucoside (cy-3-g). Furthermore, a significant reduction of irinotecan-induced DNA-strand breaks after a pretreatment with cy, cy-3-g and blackberry extract was observed. Thus, the question arises whether anthocyanin-rich preparations might interfere with chemotherapy or whether, due to low systemic bioavailability, the preparations might provide protective potential in the gastrointestinal tract.
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Affiliation(s)
- Melanie Esselen
- Department of Chemistry, Section of Food Chemistry and Toxicology, University of Kaiserslautern, Kaiserslautern, Germany
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Pahari B, Sengupta B, Chakraborty S, Thomas B, McGowan D, Sengupta PK. Contrasting binding of fisetin and daidzein in γ-cyclodextrin nanocavity. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2012. [PMID: 23177044 DOI: 10.1016/j.jphotobiol.2012.10.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Steady state and time resolved fluorescence along with anisotropy and induced circular dichroism (ICD) spectroscopy provide useful tools to observe and understand the behavior of the therapeutically important plant flavonoids fisetin and daidzein in γ-cyclodextrin (γ-CDx) nanocavity. Benesi-Hildebrand plots indicated 1:1 stoichiometry for both the supramolecular complexes. However, the mode of the binding of fisetin significantly differs from daidzein in γ-CDx, as is observed from ICD spectra which is further confirmed by docking studies. The interaction with γ-CDx proceeds mainly by the phenyl ring and partly by the chromone ring of fisetin whereas only the phenyl ring takes part for daidzein. A linear increase in the aqueous solubility of the flavonoids is assessed from the increase in the binding of the flavonoids with the γ-CDx cavity, which are determined by the gradual increase in the ICD signal, fluorescence emission as well as increase in fluorescence anisotropy with increasing (γ-CDx). This confirms γ-CDx as a nanovehicle for the flavonoids fisetin and daidzein in improving their bioavailability.
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Affiliation(s)
- Biswapathik Pahari
- Biophysics Division, Saha Institute of Nuclear Physics, Kolkata 700 064, India
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Sengupta B, Chakraborty S, Crawford M, Taylor JM, Blackmon LE, Biswas PK, Kramer WH. Characterization of diadzein-hemoglobin binding using optical spectroscopy and molecular dynamics simulations. Int J Biol Macromol 2012; 51:250-8. [PMID: 22609682 PMCID: PMC3409843 DOI: 10.1016/j.ijbiomac.2012.05.013] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2012] [Revised: 05/08/2012] [Accepted: 05/09/2012] [Indexed: 12/14/2022]
Abstract
The present study establishes the effectiveness of natural drug delivery mechanisms and investigates the interactions between drug and its natural carrier. The binding between the isoflavone diadzein (DZN) and the natural carrier hemoglobin (HbA) was studied using optical spectroscopy and molecular dynamics simulations. The inherent fluorescence emission characteristics of DZN along with that of tryptophan (Trp) residues of the protein HbA were exploited to elucidate the binding location and other relevant parameters of the drug inside its delivery vehicle HbA. Stern-Volmer studies at different temperatures indicate that static along with collisional quenching mechanisms are responsible for the quenching of protein fluorescence by the drug. Molecular dynamics and docking studies supported the hydrophobic interactions between ligand and protein, as was observed from spectroscopy. DZN binds between the subunits of HbA, ∼15 Å away from the closest heme group of chain α1, emphasizing the fact that the drug does not interfere with oxygen binding site of HbA.
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Affiliation(s)
- Bidisha Sengupta
- Department of Chemistry, Tougaloo College, 500 W County Line Road, Tougaloo, MS 39174, USA. bsgupta
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Maria Groh IA, Cartus AT, Vallicotti S, Kajzar J, Merz KH, Schrenk D, Esselen M. Genotoxic potential of methyleugenol and selected methyleugenol metabolites in cultured Chinese hamster V79 cells. Food Funct 2012; 3:428-36. [DOI: 10.1039/c2fo10221h] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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