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Stavropoulou LS, Efthimiou I, Giova L, Manoli C, Sinou PS, Zografidis A, Lamari FN, Vlastos D, Dailianis S, Antonopoulou M. Phytochemical Profile and Evaluation of the Antioxidant, Cyto-Genotoxic, and Antigenotoxic Potential of Salvia verticillata Hydromethanolic Extract. PLANTS (BASEL, SWITZERLAND) 2024; 13:731. [PMID: 38475577 DOI: 10.3390/plants13050731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2024] [Revised: 02/24/2024] [Accepted: 02/27/2024] [Indexed: 03/14/2024]
Abstract
This study comprises the phytochemical characterization, the evaluation of the total phenolic content (TPC) and antioxidant activity (AA), and the investigation of the cyto-genotoxic and antigenotoxic potential of hydromethanolic extract derived from Salvia verticillata L. leaves. HPLC-DAD-ESI-MS and HPLC-DAD were used for the characterization of the extract and determination of the major ingredients. Afterwards, the TPC and AA were determined. The cytotoxic and genotoxic effect of the extract on cultured human lymphocytes at concentrations of 10, 25, and 50 μg mL-1 was investigated via the Cytokinesis Block MicroNucleus (CBMN) assay. Moreover, its antigenotoxic potential against the mutagenic agent mitomycin C (MMC) was assessed using the same assay. The hydromethanolic extract comprises numerous metabolites, with rosmarinic acid being the major compound. It had a high value of TPC and exerted significant AA as shown by the results of the Ferric Reducing Antioxidant Power (FRAP) and Radical Scavenging Activity by DPPH• assays. A dose-dependent cytotoxic potential was recorded, with the highest dose (50 μg mL-1) exhibiting statistically significant cytotoxicity. None of the tested concentrations induced significant micronuclei (MN) frequencies, indicating a lack of genotoxicity. All tested concentrations reduced the MMC-mediated genotoxic effects, with the two lowest showing statistically significant antigenotoxic potential.
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Affiliation(s)
- Lamprini S Stavropoulou
- Laboratory of Pharmacognosy & Chemistry of Natural Products, Department of Pharmacy, University of Patras, GR-26504 Patras, Greece
| | - Ioanna Efthimiou
- Department of Biology, School of Natural Sciences, University of Patras, GR-26504 Patras, Greece
| | - Lambrini Giova
- Department of Biology, School of Natural Sciences, University of Patras, GR-26504 Patras, Greece
| | - Chrysoula Manoli
- Department of Biology, School of Natural Sciences, University of Patras, GR-26504 Patras, Greece
| | - Paraskevi S Sinou
- Laboratory of Pharmacognosy & Chemistry of Natural Products, Department of Pharmacy, University of Patras, GR-26504 Patras, Greece
| | - Aris Zografidis
- Laboratory of Botany, Department of Biology, University of Patras, GR-26504 Patras, Greece
| | - Fotini N Lamari
- Laboratory of Pharmacognosy & Chemistry of Natural Products, Department of Pharmacy, University of Patras, GR-26504 Patras, Greece
| | - Dimitris Vlastos
- Department of Biology, School of Natural Sciences, University of Patras, GR-26504 Patras, Greece
| | - Stefanos Dailianis
- Department of Biology, School of Natural Sciences, University of Patras, GR-26504 Patras, Greece
| | - Maria Antonopoulou
- Department of Sustainable Agriculture, University of Patras, GR-30131 Agrinio, Greece
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Hu Y, Liu L, Wang Z, Jiang CP, Zhu Z, Li H, Zeng Q, Xue Y, Wu Y, Wang Y, Yi Y, Zhu H, Shen C, Liu Q. Network pharmacology, molecular docking and in vivo and in vitro experiments to explore the molecular mechanism of licorice green tea beverage to scavenge oxygen free radicals. J Food Biochem 2022; 46:e14315. [PMID: 35855584 DOI: 10.1111/jfbc.14315] [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: 03/19/2022] [Revised: 06/24/2022] [Accepted: 06/27/2022] [Indexed: 02/07/2023]
Abstract
Excessive oxygen free radicals can lead to aging, cancer, and other diseases. Therefore, searching for effective antioxidants to scavenge oxygen free radicals has become the focus of modern medicine. In this study, the molecular mechanism of Licorice Green Tea Beverage (LGTB) in scavenging oxygen free radicals was investigated by means of network pharmacology, molecular docking and experimental verification. Network pharmacology studies have shown that paeonol, eugenol, cinnamaldehyde, swertisin, rutin, glycyrrhetinic acid, oleic, pelargonidin-3-O-glucoside and quercetin, kaferempol were the main active components of LGTB, and SOD and CAT are important targets for LGTB in scavenging oxygen free radicals. The results of molecular docking showed that these representative compounds had good affinity to SOD and CAT target proteins. In vitro free radical scavenging experiments showed that LTGB had significant scavenging effects on both DPPH and ABTS radicals, and had strong total reducing power. In vitro cell experiments showed that LGTB could protect HaCaT cells from oxidative stress induced by H2 O2 . The mechanism of LGTB was related to the increase of SOD and CAT activity. Western blotting showed that LGTB could inhibit PI3K/AKT/HIF-1 signaling pathway and improve the antioxidant capacity of HaCaT cells. In vivo experiments showed that LGTB could significantly increase mouse visceral index, increase serum SOD and GSH-Px activity, decrease the content of MDA, and improve liver and kidney pathological state. This study reported the molecular mechanism of LTGB scavenging oxygen free radicals, which provided scientific basis for the treatment and clinical research of aging and other diseases caused by excessive free radicals. PRACTICAL APPLICATIONS: Free radicals are produced by the normal response of cells during aerobic respiration and perform various functions, such as signaling and providing protection against infection. However, excessive free radicals can lead to aging, cancer, and other diseases. The antioxidant can overcome the harm caused by excessive free radicals. In this study, we investigated the molecular mechanism of scavenging oxygen free radicals of Licorice Green Tea Beverage (LGTB) through network pharmacology and molecular docking, and its efficacy was verified by free radical scavenging experiment in vitro, HaCaT cell oxidative stress injury induced by H2 O2 , D-galactose to establish an aging model in mice and Western blotting experiment. It not only elucidates its mechanism at the system level, but also proves its validity at the biological level. It provides the theoretical basis and experimental evidence for the follow-up research and promotion of the product.
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Affiliation(s)
- Yi Hu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China
| | - Li Liu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China
| | - Zhuxian Wang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China
| | - Cui Ping Jiang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China
| | - Zhaoming Zhu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China
| | - Hui Li
- Department of Traditional Chinese Medicine, Guangzhou Red Cross Hospital, Jinan University, Guangzhou, People's Republic of China
| | - Quanfu Zeng
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China
| | - Yaqi Xue
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China
| | - Yufan Wu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China
| | - Yuan Wang
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China
| | - Yankui Yi
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China
| | - Hongxia Zhu
- Integrated Hospital of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China
| | - Chunyan Shen
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China
| | - Qiang Liu
- School of Traditional Chinese Medicine, Southern Medical University, Guangzhou, People's Republic of China
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Imani A, Maleki N, Bohlouli S, Kouhsoltani M, Sharifi S, Maleki Dizaj S. Molecular mechanisms of anticancer effect of rutin. Phytother Res 2021; 35:2500-2513. [PMID: 33295678 DOI: 10.1002/ptr.6977] [Citation(s) in RCA: 64] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2020] [Revised: 10/13/2020] [Accepted: 11/24/2020] [Indexed: 12/16/2022]
Abstract
Because of the extensive biological functions of natural substances such as bioflavonoids, and their high safety and low costs, they could have high priority application in the health care system. The antioxidant properties of rutin, a polyphenolic bioflavonoid, have been well documented and demonstrated a wide range of pharmacological applications in cancer research. Since chemotherapeutic drugs have a wide range of side effects and rutin is a safe anticancer agent with minor side effects so recent investigations are performed for study of mechanisms of its anticancer effect. Both in-vivo and in-vitro examinations on anticancer mechanisms of this natural agent have been widely carried out. Regulation of different cellular signaling pathways such as Wnt/β-catenin, p53-independent pathway, PI3K/Akt, JAK/STAT, MAPK, p53, apoptosis as well as NF-ĸB signaling pathways helps to mediate the anticancer impacts of this agent. This study tried to review the molecular mechanisms of rutin anticancer effect on various types of cancer. Deep exploration of these anticancer mechanisms can facilitate the development of this beneficial compound for its application in the treatment of different cancers.
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Affiliation(s)
- Amir Imani
- Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Nasim Maleki
- Department of Prosthodontics, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Sepideh Bohlouli
- Department of Oral Medicine, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Maryam Kouhsoltani
- Oral and Maxillofacial Department of Pathology, Faculty of Dentistry, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Simin Sharifi
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Solmaz Maleki Dizaj
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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Proshkina E, Shaposhnikov M, Moskalev A. Genome-Protecting Compounds as Potential Geroprotectors. Int J Mol Sci 2020; 21:E4484. [PMID: 32599754 PMCID: PMC7350017 DOI: 10.3390/ijms21124484] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2020] [Revised: 06/18/2020] [Accepted: 06/19/2020] [Indexed: 02/06/2023] Open
Abstract
Throughout life, organisms are exposed to various exogenous and endogenous factors that cause DNA damages and somatic mutations provoking genomic instability. At a young age, compensatory mechanisms of genome protection are activated to prevent phenotypic and functional changes. However, the increasing stress and age-related deterioration in the functioning of these mechanisms result in damage accumulation, overcoming the functional threshold. This leads to aging and the development of age-related diseases. There are several ways to counteract these changes: 1) prevention of DNA damage through stimulation of antioxidant and detoxification systems, as well as transition metal chelation; 2) regulation of DNA methylation, chromatin structure, non-coding RNA activity and prevention of nuclear architecture alterations; 3) improving DNA damage response and repair; 4) selective removal of damaged non-functional and senescent cells. In the article, we have reviewed data about the effects of various trace elements, vitamins, polyphenols, terpenes, and other phytochemicals, as well as a number of synthetic pharmacological substances in these ways. Most of the compounds demonstrate the geroprotective potential and increase the lifespan in model organisms. However, their genome-protecting effects are non-selective and often are conditioned by hormesis. Consequently, the development of selective drugs targeting genome protection is an advanced direction.
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Affiliation(s)
- Ekaterina Proshkina
- Laboratory of Geroprotective and Radioprotective Technologies, Institute of Biology, Komi Science Centre, Ural Branch, Russian Academy of Sciences, 28 Kommunisticheskaya st., 167982 Syktyvkar, Russia; (E.P.); (M.S.)
| | - Mikhail Shaposhnikov
- Laboratory of Geroprotective and Radioprotective Technologies, Institute of Biology, Komi Science Centre, Ural Branch, Russian Academy of Sciences, 28 Kommunisticheskaya st., 167982 Syktyvkar, Russia; (E.P.); (M.S.)
| | - Alexey Moskalev
- Laboratory of Geroprotective and Radioprotective Technologies, Institute of Biology, Komi Science Centre, Ural Branch, Russian Academy of Sciences, 28 Kommunisticheskaya st., 167982 Syktyvkar, Russia; (E.P.); (M.S.)
- Pitirim Sorokin Syktyvkar State University, 55 Oktyabrsky prosp., 167001 Syktyvkar, Russia
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, 119991 Moscow, Russia
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DNA-BINDING and DNA-protecting activities of small natural organic molecules and food extracts. Chem Biol Interact 2020; 323:109030. [PMID: 32205154 DOI: 10.1016/j.cbi.2020.109030] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Revised: 02/21/2020] [Accepted: 02/26/2020] [Indexed: 01/07/2023]
Abstract
The review summarizes literature data on the DNA-binding, DNA-protecting and DNA-damaging activities of a range of natural human endogenous and exogenous compounds. Small natural organic molecules bind DNA in a site-specific mode, by arranging tight touch with the structure of the major and minor grooves, as well as individual bases in the local duplex DNA. Polyphenols are the best-studied exogenous compounds from this point of view. Many of them demonstrate hormetic effects, producing both beneficial and damaging effects. An attempt to establish the dependence of DNA damage or DNA protection on the concentration of the compound turned out to be successful for some polyphenols, daidzein, genistein and resveratrol, which were DNA protecting in low concentrations and DNA damaging in high concentrations. There was no evident dependence on concentration for quercetin and kaempferol. Probably, the DNA-protecting effect is associated with the affinity to DNA. Caffeine and theophylline are DNA binders; at the same time, they favor DNA repair. Although most alkaloids damage DNA, berberine can protect DNA against damage. Among the endogenous compounds, hormones belonging to the amine class, thyroid and steroid hormones appear to bind DNA and produce some DNA damage. Thus, natural compounds continue to reveal beneficial or adverse effects on genome integrity and provide a promising source of therapeutic activities.
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Characterization of bioactivity and phytochemical composition with toxicity studies of different Opuntia dillenii extracts from Morocco. FOOD BIOSCI 2019. [DOI: 10.1016/j.fbio.2019.04.011] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Wei B, Zhang Y, Tang L, Ji Y, Yan C, Zhang X. Protective effects of quercetin against inflammation and oxidative stress in a rabbit model of knee osteoarthritis. Drug Dev Res 2019; 80:360-367. [PMID: 30609097 DOI: 10.1002/ddr.21510] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Revised: 12/04/2018] [Accepted: 12/10/2018] [Indexed: 12/29/2022]
Abstract
Hit, Lead & Candidate Discovery This study investigated the effects of a natural phenolic compound quercetin on surgical-induced osteoarthritis (OA) in rabbits. Forty-eight New Zealand White rabbits were used to establish OA model by Hulth modified method, and subsequently randomized into untreated OA group (treatment was drinking water), celecoxib treated group (celecoxib 100 mg kg-1 by gavage), and quercetin treated group (25 mg kg-1 by gavage). Sixteen nonoperated rabbits served as the normal controls (drinking water was given). The treatment (length: 4 weeks) started on the 5th week postoperation when the OA pathological changes were manifested. Expressions of superoxide dismutase (SOD), matrix metalloproteinase-13 (MMP-13) and tissue inhibitor of metalloproteinases-1 (TIMP-1) in serum, synovial fluid, and synovial tissue were measured at 8 and 12 weeks postoperation. Pathological analysis was performed with synovial tissue section and Osteoarthritis Research Society International histopathology grading and staging scores were determined. The quercetin treated group showed higher SOD and TIMP-1 expressions but lower MMP-13 expression than untreated OA group in the serum, synovial fluid and synovial tissues (p < .05). There was no significant difference in the SOD, MMP-13 and TIMP-1 expressions between the quercetin-treated and celecoxib-treated groups. The MMP-13/TIMP-1 ratio of the quercetin treated group was significantly lower than that of the untreated OA group (p < .05). Quercetin can up-regulate SOD and TIMP-1, down-regulate MMP-13, and improve the degeneration of OA through weakening the oxidative stress responses and inhibiting the degradation of cartilage extracellular matrix.
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Affiliation(s)
- Bing Wei
- Department of Orthopedics, The First People's Hospital of Yongkang, Jinhua, China
| | - Yan Zhang
- Department of Pathology, Zhucheng Maternal and Child Health Hospital, Weifang, China
| | - Lixia Tang
- Department of General Diseases, The First People's Hospital of Yongkang, Jinhua, China
| | - Yikui Ji
- Department of Orthopedics, The First People's Hospital of Yongkang, Jinhua, China
| | - Cheng Yan
- Department of Orthopedics, The First People's Hospital of Yongkang, Jinhua, China
| | - Xiaoke Zhang
- Department of Orthopedics, The First People's Hospital of Yongkang, Jinhua, China
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Khan MS, Abul Qais F, Ahmad I, Hussain A, Alajmi MF. Genotoxicity inhibition by Syzygium cumini (L.) seed fraction and rutin: understanding the underlying mechanism of DNA protection. Toxicol Res (Camb) 2018; 7:156-171. [PMID: 30090571 PMCID: PMC6062347 DOI: 10.1039/c7tx00269f] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2017] [Accepted: 12/18/2017] [Indexed: 12/12/2022] Open
Abstract
Considering the ethnopharmacological importance of Syzygium cumini's seed and the lack of information on the antimutagenic and DNA-protecting mechanisms, a fraction-based study was conducted. Four different (hexane, chloroform, ethyl acetate, and aqueous) fractions were obtained from the sequential extraction of the methanolic extract of the seed. The most active antioxidant fraction (ethyl acetate) contained significant amount of phenolics and flavonoids. LC-qTOF-MS analysis of the ethyl acetate fraction revealed the presence of rutin, myricetin, naringin, cuscohygrin, and epoxycarryophyllone as constituent phytocompounds. The ethyl acetate fraction (100 μg ml-1) and a selected compound (rutin, 40 μg ml-1) showed remarkable decrease in the revertants frequency range from 74-77% and 66-84%, respectively, against both the mutagens (sodium azide (NaN3) and methyl methane sulfonate (MMS)) in the Salmonella typhimurium tester strains. All the statistical analyses were at a significance level of 0.05 between the different treatment groups. Moreover, the underlying mechanism of antimutagenicity using different treatment regime for rutin was explored. MMS-mediated DNA fragmentation and oxidation in lymphocytes were also shown to be decreased significantly when treated with the ethyl acetate fraction and rutin. Oxidative damage to pBR322 plasmid DNA was also reduced when incubated with different concentration of the ethyl acetate fraction and rutin. Biophysical (UV, fluorescence, ITC, etc.) and computational methods were employed to obtain a closer look at the DNA-rutin interaction. The data obtained clearly revealed that the ethyl acetate fraction exhibited promising antimutagenic and DNA-protective activity and its flavonoid constituents, including rutin, contribute significantly to the observed activity.
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Affiliation(s)
- Mohammad Shavez Khan
- Department of Agricultural Microbiology , Aligarh Muslim University , Aligarh-202002 , India . ; ; Tel: +91-9897902936
| | - Faizan Abul Qais
- Department of Agricultural Microbiology , Aligarh Muslim University , Aligarh-202002 , India . ; ; Tel: +91-9897902936
| | - Iqbal Ahmad
- Department of Agricultural Microbiology , Aligarh Muslim University , Aligarh-202002 , India . ; ; Tel: +91-9897902936
| | - Afzal Hussain
- Department of Pharmacognosy , College of Pharmacy , King Saud University , PO Box 2457 , Riyadh 11451 , Kingdom of Saudi Arabia
| | - Mohamed F Alajmi
- Department of Pharmacognosy , College of Pharmacy , King Saud University , PO Box 2457 , Riyadh 11451 , Kingdom of Saudi Arabia
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Nagpal I, Abraham SK. Protective effects of tea polyphenols and β-carotene against γ-radiation induced mutation and oxidative stress in Drosophila melanogaster. Genes Environ 2017; 39:24. [PMID: 29118865 PMCID: PMC5664826 DOI: 10.1186/s41021-017-0084-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 09/01/2017] [Indexed: 12/02/2022] Open
Abstract
Background The commonly consumed antioxidants β-carotene and tea polyphenols were used to assess their protective effects against γ-radiation induced sex-linked recessive lethal (SLRL) mutation and oxidative stress in Drosophila melanogaster. Third instar larvae and adult males of wild-type Oregon-K (ORK) were fed on test agents for 24 and 72 h respectively before exposure to 10Gy γ-irradiation. The treated/control flies were used to assess the induction of SLRLs. We also evaluated antioxidant properties of these phytochemicals in the third instar larvae. Results Different stages of spermatogenesis in adult males showed a decrease in γ-radiation induced SLRL frequencies upon co-treatment with test agents. A similar trend was observed in larvae. Furthermore, a significant increase in antioxidant enzymatic activities with a decrease in malondialdehyde content was observed. Conclusion β-carotene and tea polyphenols have exerted antigenotoxic and antioxidant effects in Drosophila. This study demonstrated the suitability of Drosophila as an alternative to mammalian testing for evaluating the antigenotoxic and antioxidant activity of natural products.
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Affiliation(s)
- Isha Nagpal
- 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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Zengin G, Ceylan R, Katanić J, Mollica A, Aktumsek A, Boroja T, Matić S, Mihailović V, Stanić S, Aumeeruddy-Elalfi Z, Yilmaz MA, Mahomoodally MF. Combining in vitro, in vivo and in silico approaches to evaluate nutraceutical potentials and chemical fingerprints of Moltkia aurea and Moltkia coerulea. Food Chem Toxicol 2017; 107:540-553. [PMID: 28390858 DOI: 10.1016/j.fct.2017.04.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2017] [Revised: 04/02/2017] [Accepted: 04/04/2017] [Indexed: 12/11/2022]
Abstract
Methanolic extracts of Moltkia aurea Boiss. (MA) and Moltkia coerulea (Willd.) Lehm. (MC) were investigated for their antioxidant capacity and enzymatic inhibitory potential against acetylcholinesterase, butyrylcholinesterase, α-amylase, α-glucosidase, and tyrosinase in vitro. MA and MC were also explored for their antimicrobial effect, as well as for their possible genotoxic/antigenotoxic potential on Drosophila melanogaster in vivo. The total bioactive components (phenolic (TPC) and flavonoid contents (TFC)) were determined and liquid chromatography-tandem mass spectrometry (LC-MS/MS) metabolite profiling of MA and MC appraised. The plausible docking poses of bioactive compounds to key enzymes were further studied using molecular modelling approach. MA proved to be a better antioxidant with higher TPC and TFC compared to MC. Protocatechuic acid, rutin, hesperidin and malic acid were the most abundant in these extracts. Both MA and MC exhibited antigenotoxic potential with a %R in DNA damage of 60.90 and 53.14% respectively. The docking studies revealed that rutin, hesperidin, and rosmarinic acid have the best scores for all the enzymes tested. MA and MC were found to be rich in phytochemicals with potent antioxidant, antimicrobial, and antigenotoxic activities that can be further studied for the management of neurodegenerative complications, diabetes, and hyperpigmentation.
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Affiliation(s)
- Gokhan Zengin
- Department of Biology, Faculty of Science, Selcuk University, Campus, Konya, Turkey
| | - Ramazan Ceylan
- Department of Biology, Faculty of Science, Selcuk University, Campus, Konya, Turkey.
| | - Jelena Katanić
- Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, Kragujevac, Serbia
| | - Adriano Mollica
- Department of Pharmacy, University "G. d'Annunzio" Chieti-Pescara, 66100 Chieti, Italy
| | - Abdurrahman Aktumsek
- Department of Biology, Faculty of Science, Selcuk University, Campus, Konya, Turkey
| | - Tatjana Boroja
- Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, Kragujevac, Serbia
| | - Sanja Matić
- Department of Biology and Ecology, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, Kragujevac, Serbia
| | - Vladimir Mihailović
- Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, Kragujevac, Serbia
| | - Snežana Stanić
- Department of Biology and Ecology, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, Kragujevac, Serbia
| | | | - Mustafa Abdullah Yilmaz
- Research and Application of Science and Technology Center (DUBTAM), University of Dicle, Diyarbakır, Turkey
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Nagpal I, Abraham SK. Ameliorative effects of gallic acid, quercetin and limonene on urethane-induced genotoxicity and oxidative stress in Drosophila melanogaster. Toxicol Mech Methods 2017; 27:286-292. [PMID: 28043195 DOI: 10.1080/15376516.2016.1278294] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The main objective of our present work was to ascertain the efficacy of Drosophila melanogaster model for assessing antigenotoxic and antioxidant effects of dietary phytochemicals gallic acid (GA), quercetin (QC) and limonene (Lim) against urethane (URE), a genotoxic environmental carcinogen. Oregon-K (ORK) adult male flies were fed GA, QC and Lim in combination with URE (20 mM) in 10% sucrose for 72 h. Third instar larvae were fed instant medium containing the above phytochemicals and URE for 24 h. Sex-linked recessive lethal (SLRL) test and assays for estimating glutathione content (GSH), glutathione S-transferase (GST), catalase (CAT), superoxide dismutase (SOD) and lipid peroxidation (MDA content) were performed. Adult feeding experiments demonstrated that co-treatment of flies with URE and the test phytochemicals has significantly decreased the frequencies of SLRL mutations in all the germ cell stages when compared to that with URE alone. Larval feeding experiments also showed a similar pattern. The above results correlate well with antioxidative potentials of the test agents where we observed the elevated enzymatic levels with a significant reduction in MDA level in Drosophila larvae. The results further suggest that the dietary phytochemicals have an antioxidant and antimutagenic property which can be assessed using D. melanogaster.
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Affiliation(s)
- Isha Nagpal
- a School of Life Sciences , Jawaharlal Nehru University , New Delhi , India
| | - Suresh K Abraham
- a School of Life Sciences , Jawaharlal Nehru University , New Delhi , India
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Lozano-Baena MD, Tasset I, Muñoz-Serrano A, Alonso-Moraga Á, de Haro-Bailón A. Cancer Prevention and Health Benefices of Traditionally Consumed Borago officinalis Plants. Nutrients 2016; 8:E48. [PMID: 26797631 PMCID: PMC4728661 DOI: 10.3390/nu8010048] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Revised: 12/28/2015] [Accepted: 01/11/2016] [Indexed: 11/17/2022] Open
Abstract
Nowadays, healthy eating is increasing the demand of functional foods by societies as sources of bioactive products with healthy qualities. For this reason, we tested the safety of the consumption of Borago officinalis L. and its main phenolic components as well as the possibility of its use as a nutraceutical plant to help in cancer prevention. The in vivo Drosophila Somatic Mutation and Recombination Test (SMART) and in vitro HL-60 human cell systems were performed, as well-recognized methods for testing genotoxicity/cytotoxicity of bioactive compounds and plant products. B. officinalis and the tested compounds possess antigenotoxic activity. Moreover, B. officinalis wild type cultivar exerts the most antigenotoxic values. Cytotoxic effect was probed for both cultivars with IC50 values of 0.49 and 0.28 mg · mL(-1) for wild type and cultivated plants respectively, as well as their constituent rosmarinic acid and the assayed phenolic mixture (IC50 = 0.07 and 0.04 mM respectively). B. officinalis exerts DNA protection and anticarcinogenic effects as do its component rosmarinic acid and the mixture of the main phenolics presented in the plant. In conclusion, the results showed that B. officinalis may represent a high value plant for pleiotropic uses and support its consumption as a nutraceutical plant.
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Affiliation(s)
- María-Dolores Lozano-Baena
- Department of Plant Breeding, Institute of Sustainable Agriculture, CSIC, Av. Menéndez Pidal s/n, Córdoba E-14004, Spain.
| | - Inmaculada Tasset
- Department of Developmental and Molecular Biology, Institute for Aging Studies, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY 10461, USA.
| | - Andrés Muñoz-Serrano
- Department of Genetics, Gregor Mendel Building, Faculty of Science, University of Córdoba, Campus Rabanales, Córdoba 14014, Spain.
| | - Ángeles Alonso-Moraga
- Department of Genetics, Gregor Mendel Building, Faculty of Science, University of Córdoba, Campus Rabanales, Córdoba 14014, Spain.
| | - Antonio de Haro-Bailón
- Department of Plant Breeding, Institute of Sustainable Agriculture, CSIC, Av. Menéndez Pidal s/n, Córdoba E-14004, Spain.
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Corral-Lugo A, Daddaoua A, Ortega A, Espinosa-Urgel M, Krell T. Rosmarinic acid is a homoserine lactone mimic produced by plants that activates a bacterial quorum-sensing regulator. Sci Signal 2016; 9:ra1. [PMID: 26732761 DOI: 10.1126/scisignal.aaa8271] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
Quorum sensing is a bacterial communication mechanism that controls genes, enabling bacteria to live as communities, such as biofilms. Homoserine lactone (HSL) molecules function as quorum-sensing signals for Gram-negative bacteria. Plants also produce previously unidentified compounds that affect quorum sensing. We identified rosmarinic acid as a plant-derived compound that functioned as an HSL mimic. In vitro assays showed that rosmarinic acid bound to the quorum-sensing regulator RhlR of Pseudomonas aeruginosa PAO1 and competed with the bacterial ligand N-butanoyl-homoserine lactone (C4-HSL). Furthermore, rosmarinic acid stimulated a greater increase in RhlR-mediated transcription in vitro than that of C4-HSL. In P. aeruginosa, rosmarinic acid induced quorum sensing-dependent gene expression and increased biofilm formation and the production of the virulence factors pyocyanin and elastase. Because P. aeruginosa PAO1 infection induces rosmarinic acid secretion from plant roots, our results indicate that rosmarinic acid secretion is a plant defense mechanism to stimulate a premature quorum-sensing response. P. aeruginosa is a ubiquitous pathogen that infects plants and animals; therefore, identification of rosmarinic acid as an inducer of premature quorum-sensing responses may be useful in agriculture and inform human therapeutic strategies.
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Affiliation(s)
- Andrés Corral-Lugo
- Department of Environmental Protection, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, C/ Prof. Albareda, 1, 18008 Granada, Spain
| | - Abdelali Daddaoua
- Department of Environmental Protection, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, C/ Prof. Albareda, 1, 18008 Granada, Spain
| | - Alvaro Ortega
- Department of Environmental Protection, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, C/ Prof. Albareda, 1, 18008 Granada, Spain
| | - Manuel Espinosa-Urgel
- Department of Environmental Protection, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, C/ Prof. Albareda, 1, 18008 Granada, Spain
| | - Tino Krell
- Department of Environmental Protection, Estación Experimental del Zaidín, Consejo Superior de Investigaciones Científicas, C/ Prof. Albareda, 1, 18008 Granada, Spain.
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Serpeloni JM, Specian AFL, Ribeiro DL, Tuttis K, Vilegas W, Martínez-López W, Dokkedal AL, Saldanha LL, Cólus IMDS, Varanda EA. Antimutagenicity and induction of antioxidant defense by flavonoid rich extract of Myrcia bella Cambess. in normal and tumor gastric cells. JOURNAL OF ETHNOPHARMACOLOGY 2015; 176:345-355. [PMID: 26549270 DOI: 10.1016/j.jep.2015.11.003] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2015] [Revised: 10/14/2015] [Accepted: 11/01/2015] [Indexed: 06/05/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE The Brazilian "Cerrado" is an important source of natural products, such as Myrcia bella Cambess (MB, also known as "mercurinho"). MB leaves are popularly used for the treatment of diabetes and gastrointestinal disorders; however, only its hypoglycemic activity has been experimentally described. AIM OF THE STUDY Because MB is used to treat gastrointestinal disorders, the present study characterized biological activities of hydroalcoholic MB extract in human normal and tumor gastric cells. MATERIALS AND METHODS Cytotoxic, antiproliferative, genotoxic and protective effects were evaluated, as well as the effects of the MB extract on gene expression. RESULTS The MB extract induced cytotoxicity in tumor cells at lower concentrations compared with normal cells as assessed by the MTT assay. Moreover, the MB extract induced necrosis based on acridine orange/ethidium bromide staining. An antiproliferative effect was evidenced through an arrest in the G2/M phase detected by flow cytometry and a decrease in the nuclear division index using the cytokinesis-block micronucleus cytome assay. Cells treated with MB extract combined with doxorubicin (DXR) showed increased NUBDs, which may be related to the gene amplification of CCND1. Antimutagenic effects were also observed and may be associated with the antioxidant activities detected using the CM-H2DCFDA probe. CONCLUSIONS Our findings showed the following: (a) high concentrations of MB induced cytotoxicity and cell death by necrosis; (b) its antiproliferative effect was associated with G2/M arrest; and (c) its antioxidant activity could be responsible for the observed antimutagenic effects and for protective effects against gastrointestinal disorders previously described to MB. Although these effects are not specific to normal or tumor cells, they provide a panel of biological activities for further exploration.
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Affiliation(s)
- Juliana Mara Serpeloni
- Department of Biological Sciences, Faculty of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14801-902, Brazil.
| | - Ana Flávia Leal Specian
- Department of General Biology, Center of Biological Sciences, State University of Londrina (UEL), Londrina 86057-970, Brazil
| | - Diego Luis Ribeiro
- Department of General Biology, Center of Biological Sciences, State University of Londrina (UEL), Londrina 86057-970, Brazil
| | - Katiuska Tuttis
- Department of General Biology, Center of Biological Sciences, State University of Londrina (UEL), Londrina 86057-970, Brazil
| | - Wagner Vilegas
- Experimental Campus of São Vicente, São Paulo State University (UNESP), São Vicente 11350-000, Brazil
| | | | - Anne Lígia Dokkedal
- Department of Biological Sciences, Faculty of Sciences, São Paulo State University (UNESP), Bauru 17033-360, Brazil
| | - Luiz Leonardo Saldanha
- Department of Biological Sciences, Faculty of Sciences, São Paulo State University (UNESP), Bauru 17033-360, Brazil; Department of Botany, Institute of Bioscience, São Paulo State University (UNESP), Botucatu 18618-970, Brazil
| | - Ilce Mara de Syllos Cólus
- Department of General Biology, Center of Biological Sciences, State University of Londrina (UEL), Londrina 86057-970, Brazil
| | - Eliana Aparecida Varanda
- Department of Biological Sciences, Faculty of Pharmaceutical Sciences, São Paulo State University (UNESP), Araraquara 14801-902, Brazil
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Mladenović M, Stanković N, Matić S, Stanić S, Mihailović M, Mihailović V, Katanić J, Boroja T, Vuković N. Newly discovered chroman-2,4-diones neutralize the in vivo DNA damage induced by alkylation through the inhibition of Topoisomerase IIα: A story behind the molecular modeling approach. Biochem Pharmacol 2015; 98:243-66. [PMID: 26319574 DOI: 10.1016/j.bcp.2015.08.106] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2015] [Accepted: 08/24/2015] [Indexed: 01/09/2023]
Abstract
Eight chroman-2,4-diones, namely 2a-h, previously investigated as anticoagulants, of which 2a and 2f as the most active, were evaluated as in vivo genotoxic agents in Wistar rat livers and kidneys using the comet assay. Compounds 2a, 2b, and 2f without genotoxic activity were applied prior to ethyl methanesulfonate (EMS) and diminished EMS-induced DNA damage according to the total score and percentage of reduction. EMS produce harmful O(6)-ethylguanine lesion which is incorporated in aberrant genotoxic GT and TG pairing after ATP-dependent DNA strand breaks have been catalyzed by rat Topoisomerase IIα (rTopIIα, EC 5.99.1.3). Therefore, the mechanism of 2a, 2b, and 2f antigenotoxic activity was investigated on the enzyme level using molecular docking and molecular dynamics simulations insamuch as it had been determined that compounds do not intercalate DNA but instead inhibit the ATPase activity. Calculations predicted that compounds inhibit ATP hydrolysis before the DNA-EMS cleavage is being catalyzed by rTopIIα, prevent EMS mutagenic and carcinogenic effects, and beside anticoagulant activity can even be applied in the cancer treatment to control the rate of anticancer alkylation drugs.
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Affiliation(s)
- Milan Mladenović
- Kragujevac Center for Computational Biochemistry, Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, PO Box 60, 34000 Kragujevac, Serbia.
| | - Nevena Stanković
- Kragujevac Center for Computational Biochemistry, Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, PO Box 60, 34000 Kragujevac, Serbia.
| | - Sanja Matić
- Department of Biology and Ecology, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, PO Box 60, 34000 Kragujevac, Serbia.
| | - Snežana Stanić
- Department of Biology and Ecology, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, PO Box 60, 34000 Kragujevac, Serbia.
| | - Mirjana Mihailović
- Department of Molecular Biology, Institute for Biological Research, University of Belgrade, Bulevar Despota Stefana 142, 11000 Belgrade, Serbia.
| | - Vladimir Mihailović
- Bioactive Natural Products Investigation, Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, PO Box 60, 34000 Kragujevac, Serbia.
| | - Jelena Katanić
- Bioactive Natural Products Investigation, Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, PO Box 60, 34000 Kragujevac, Serbia.
| | - Tatjana Boroja
- Bioactive Natural Products Investigation, Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, PO Box 60, 34000 Kragujevac, Serbia.
| | - Nenad Vuković
- Department of Chemistry, Faculty of Science, University of Kragujevac, Radoja Domanovića 12, PO Box 60, 34000 Kragujevac, Serbia.
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16
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Ribeiro LAA, Alencar Filho EB, Coelho MC, Silva BA. The vasorelaxant effect of 8(17),12E,14-labdatrien-18-oic acid involves stimulation of adenylyl cyclase and cAMP/PKA pathway: Evidences by pharmacological and molecular docking studies. Eur J Pharmacol 2015; 764:363-371. [PMID: 26144373 DOI: 10.1016/j.ejphar.2015.06.063] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2015] [Revised: 06/19/2015] [Accepted: 06/30/2015] [Indexed: 11/24/2022]
Abstract
The relaxant effect of 8(17),12E,14-labdatrien-18-oic acid (LBD) was investigated on isolated aortic rings and compared with forskolin (FSK), a standard and potent activator of adenylyl cyclase (AC) with relaxing effect. The presence of potassium channel blockers, such as glibenclamide (ATP-blocker), apamin (SKCa-blocker), charybdotoxin (BKCa-blocker) did not significantly affect either the LBD or FSK concentration-response curves. However, in the presence of 4-aminopyridine (KV-blocker), the relaxant effect for both diterpenes was significantly attenuated, with reduction of its relative potencies. Moreover, the relaxation induced by 8-Br-cAMP, an analog of cAMP, was also significantly attenuated in the same conditions, i.e., in the presence of 4-aminopyridine. The presence of aminophylline, a nonselective phosphodiesterase inhibitor, caused a significant increasing in the potency for both LBD and FSK. On the other hand, the presence of Rp-cAMPS, a selective PKA-inhibitor, significantly attenuated the relaxant effect of LBD. In this work, in the same experimental conditions, both labdane-type diterpenes presented remarkably similar results; FSK, however, presented a higher potency (100-fold) than LBD. Thus, the hypothesis that LBD could be a novel AC-activator emerged. To assess that hypothesis, computational molecular docking studies were performed. Crystallographic structure of adenylyl cyclase/forskolin complex (1AB8) was obtained from RSCB Protein Data Bank and used to compare the modes of interaction of the native ligand and LBD. The computational data shows many similarities between LBD and FSK concerning the interaction with the regulatory site of AC. Taken together, the results presented here pointed to LBD as a novel AC-activator.
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Affiliation(s)
- Luciano A A Ribeiro
- Colegiado de Farmácia (CFARM), Universidade Federal do Vale do São Francisco (UNIVASF), Av. José de Sá Maniçoba, S/No, Campus Centro, P.O. Box 252, CEP:56304-205, Petrolina, PE, Brazil; Programa de Pós-Graduação em Recursos Naturais do Semiárido (PGRNSA), Universidade Federal do Vale do São Francisco (UNIVASF), 56304-205, Petrolina, PE, Brazil.
| | - Edilson B Alencar Filho
- Colegiado de Farmácia (CFARM), Universidade Federal do Vale do São Francisco (UNIVASF), Av. José de Sá Maniçoba, S/No, Campus Centro, P.O. Box 252, CEP:56304-205, Petrolina, PE, Brazil
| | - Maisa C Coelho
- Curso de Graduação em Farmácia, Universidade Federal do Vale do São Francisco (UNIVASF), 56304-205, Petrolina, PE, Brazil
| | - Bagnólia A Silva
- Universidade Federal da Paraíba, Laboratório de Tecnologia Farmacêutica-Campus I. Cidade Universitária, 58051-970, Joao Pessoa, PB, Brazil
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Perk AA, Shatynska-Mytsyk I, Gerçek YC, Boztaş K, Yazgan M, Fayyaz S, Farooqi AA. Rutin mediated targeting of signaling machinery in cancer cells. Cancer Cell Int 2014; 14:124. [PMID: 25493075 PMCID: PMC4260193 DOI: 10.1186/s12935-014-0124-6] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2014] [Accepted: 11/07/2014] [Indexed: 12/20/2022] Open
Abstract
Progress in our understanding of molecular oncology has started to shed light on dysregulation of spatio-temporally controlled signaling pathways, inactivation of tumor suppressor genes, tumour and normal stem cell quiescence, overexpression of oncogenes, extracellular and stromal microenvironments, epigenetics and autophagy. Sequentially and characteristically it has been shown that cancer cells acquire the ability to escape from apoptotic cell death, proliferate uncontrollably, sustain angiogenesis and tactfully reconstitute intracellular pathways to avoid immune surveillance. We have attempted to provide a recent snapshot of most recent progress with emphasis on how rutin modulates wide ranging intracellular signaling cascades as evidenced by in-vitro and in-vivo research. It is worth describing that 'single-cell proteomics' analysis has further improved our understanding regarding intracellular signaling pathways frequently activated in cancer cells resistant to therapeutics and can provide biomarkers for cancer diagnosis and prognosis. Data obtained from preclinical studies will prove to be helpful for scientists to bridge basic and translational studies.
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Affiliation(s)
- Aliye Aras Perk
- Faculty of Science, Department of Biology, Division of Botany, Istanbul University, Istanbul, 34460 Turkey
| | - Iryna Shatynska-Mytsyk
- Diagnostic Imaging and Radiation Therapy Department, Lviv National Medical University, Lviv, Ukraine
| | - Yusuf Can Gerçek
- Faculty of Science, Department of Biology, Division of Botany, Istanbul University, Istanbul, 34460 Turkey
| | - Kadir Boztaş
- Faculty of Science, Department of Biology, Division of Botany, Istanbul University, Istanbul, 34460 Turkey
| | - Mevzule Yazgan
- Faculty of Science, Department of Biology, Division of Botany, Istanbul University, Istanbul, 34460 Turkey
| | - Sundas Fayyaz
- Laboratory for Translational Oncology and Personalized Medicine, Rashid Latif Medical College, 35 Km Ferozepur Road, Lahore, Pakistan
| | - Ammad Ahmad Farooqi
- Laboratory for Translational Oncology and Personalized Medicine, Rashid Latif Medical College, 35 Km Ferozepur Road, Lahore, Pakistan
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