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Fauquet J, Carette J, Duez P, Zhang J, Nachtergael A. Microfluidic Diffusion Sizing Applied to the Study of Natural Products and Extracts That Modulate the SARS-CoV-2 Spike RBD/ACE2 Interaction. Molecules 2023; 28:8072. [PMID: 38138562 PMCID: PMC10745392 DOI: 10.3390/molecules28248072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 11/29/2023] [Accepted: 12/11/2023] [Indexed: 12/24/2023] Open
Abstract
The interaction between SARS-CoV-2 spike RBD and ACE2 proteins is a crucial step for host cell infection by the virus. Without it, the entire virion entrance mechanism is compromised. The aim of this study was to evaluate the capacity of various natural product classes, including flavonoids, anthraquinones, saponins, ivermectin, chloroquine, and erythromycin, to modulate this interaction. To accomplish this, we applied a recently developed a microfluidic diffusional sizing (MDS) technique that allows us to probe protein-protein interactions via measurements of the hydrodynamic radius (Rh) and dissociation constant (KD); the evolution of Rh is monitored in the presence of increasing concentrations of the partner protein (ACE2); and the KD is determined through a binding curve experimental design. In a second time, with the protein partners present in equimolar amounts, the Rh of the protein complex was measured in the presence of different natural products. Five of the nine natural products/extracts tested were found to modulate the formation of the protein complex. A methanol extract of Chenopodium quinoa Willd bitter seed husks (50 µg/mL; bisdesmoside saponins) and the flavonoid naringenin (1 µM) were particularly effective. This rapid selection of effective modulators will allow us to better understand agents that may prevent SARS-CoV-2 infection.
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Affiliation(s)
- Jason Fauquet
- Unit of Therapeutic Chemistry and Pharmacognosy, University of Mons (UMONS), 7000 Mons, Belgium; (J.F.); (P.D.); (A.N.)
| | - Julie Carette
- Unit of Therapeutic Chemistry and Pharmacognosy, University of Mons (UMONS), 7000 Mons, Belgium; (J.F.); (P.D.); (A.N.)
| | - Pierre Duez
- Unit of Therapeutic Chemistry and Pharmacognosy, University of Mons (UMONS), 7000 Mons, Belgium; (J.F.); (P.D.); (A.N.)
| | - Jiuliang Zhang
- College of Food Science and Technology, Huazhong Agricultural University, Wuhan 430070, China;
| | - Amandine Nachtergael
- Unit of Therapeutic Chemistry and Pharmacognosy, University of Mons (UMONS), 7000 Mons, Belgium; (J.F.); (P.D.); (A.N.)
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Junaid M, Basak B, Akter Y, Afrose SS, Nahrin A, Emran R, Shahinozzaman M, Tawata S. Sakuranetin and its therapeutic potentials - a comprehensive review. Z NATURFORSCH C 2023; 78:27-48. [PMID: 35844107 DOI: 10.1515/znc-2022-0024] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 06/10/2022] [Indexed: 01/11/2023]
Abstract
Sakuranetin (SKN), a naturally derived 7-O-methylated flavonoid, was first identified in the bark of the cherry tree (Prunus spp.) as an aglycone of sakuranin and then purified from the bark of Prunus puddum. It was later reported in many other plants including Artemisia campestris, Boesenbergia pandurata, Baccharis spp., Betula spp., Juglans spp., and Rhus spp. In plants, it functions as a phytoalexin synthesized from its precursor naringenin and is the only known phenolic phytoalexin in rice, which is released in response to different abiotic and biotic stresses such as UV-irradiation, jasmonic acid, cupric chloride, L-methionine, and the phytotoxin coronatine. Till date, SKN has been widely reported for its diverse pharmacological benefits including antioxidant, anti-inflammatory, antimycobacterial, antiviral, antifungal, antileishmanial, antitrypanosomal, glucose uptake stimulation, neuroprotective, antimelanogenic, and antitumor properties. Its pharmacokinetics and toxicological properties have been poorly understood, thus warranting further evaluation together with exploring other pharmacological properties such as antidiabetic, neuroprotective, and antinociceptive effects. Besides, in vivo studies or clinical investigations can be done for proving its effects as antioxidant and anti-inflammatory, antimelanogenic, and antitumor agent. This review summarizes all the reported investigations with SKN for its health-beneficial roles and can be used as a guideline for future studies.
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Affiliation(s)
- Md Junaid
- Natural Products Research Division, Advanced Bioinformatics, Computational Biology and Data Science Laboratory, Bangladesh, Chattogram, 4226, Bangladesh
| | - Bristy Basak
- Department of Biochemistry and Molecular Biology, University of Rajshahi, Rajshahi 6205, Bangladesh
| | - Yeasmin Akter
- Natural Products Research Division, Advanced Bioinformatics, Computational Biology and Data Science Laboratory, Bangladesh, Chattogram, 4226, Bangladesh.,Department of Biotechnology & Genetic Engineering, Noakhali Science & Technology University, Chattogram, Bangladesh
| | - Syeda Samira Afrose
- Natural Products Research Division, Advanced Bioinformatics, Computational Biology and Data Science Laboratory, Bangladesh, Chattogram, 4226, Bangladesh
| | - Afsana Nahrin
- Natural Products Research Division, Advanced Bioinformatics, Computational Biology and Data Science Laboratory, Bangladesh, Chattogram, 4226, Bangladesh.,Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
| | - Rashiduzzaman Emran
- Bioscience and Bioinformatics Research Center (BBRC), 5/2, Shehora, Dhaka Road, Mymensingh, 2200, Bangladesh.,Department of Agricultural Extension (DAE), Khamarbari, Farmgate, Dhaka, 1215, Bangladesh
| | - Md Shahinozzaman
- The Red-Green Research Centre, Tejgaon, Dhaka, 1215, Bangladesh.,PAK Research Center, University of the Ryukyus, Okinawa, Japan
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da Cruz Ramos Pires GH, Freire VT, Pereira RG, Amaral de Siqueira LJ, Umehara E, Lago JHG, Caseli L. Sakuranetin interacting with cell membranes models: Surface chemistry combined with molecular simulation. Colloids Surf B Biointerfaces 2022; 216:112546. [PMID: 35588685 DOI: 10.1016/j.colsurfb.2022.112546] [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: 03/26/2022] [Revised: 05/04/2022] [Accepted: 05/04/2022] [Indexed: 11/26/2022]
Abstract
Sakuranetin, a natural compound with activity in lipidic biointerfaces, was isolated from Baccharis retusa and studied with two models of lipid membranes: Langmuir monolayers and Molecular Simulation. For that, the mammalian lipid DPPC was chosen. Sakuranetin condensed the monolayers at high surface pressures, decreased the surface compressional modulus, reduced the molecular order of the acyl chains (diminution of all-trans/gauche conformers ratio), and increased the heterogeneity of the interface, forming aggregates. Molecular simulation data gave information on the bioactive compound's most favorable thermodynamic positions along the lipid monolayer, which was the lipid-air interface. These combined results lead to the conclusion that this lipophilic compound may interact with the lipidic layers, preferentially at the lipid-air interface, to minimize the free energy, and reaches this conformation disturbing the thermodynamic, structural, mechanical, rheological, and morphological properties of the well-packed DPPC monolayer.
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Affiliation(s)
| | - Vitor Torres Freire
- Department of Chemistry, Federal University of São Paulo, Diadema, SP, Brazil
| | | | | | - Eric Umehara
- Federal University of ABC, Santo André, SP, Brazil
| | | | - Luciano Caseli
- Department of Chemistry, Federal University of São Paulo, Diadema, SP, Brazil.
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Vicente-Silva W, Silva-Freitas FR, Beserra-Filho JIA, Cardoso GN, Silva-Martins S, Sarno TA, Silva SP, Soares-Silva B, Dos Santos JR, da Silva RH, Prado CM, Ueno AK, Lago JHG, Ribeiro AM. Sakuranetin exerts anticonvulsant effect in bicuculline-induced seizures. Fundam Clin Pharmacol 2022; 36:663-673. [PMID: 35156229 DOI: 10.1111/fcp.12768] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2021] [Revised: 02/10/2022] [Accepted: 02/11/2022] [Indexed: 01/07/2023]
Abstract
Epilepsy is a chronic neurological disorder characterized by an abnormal, spontaneous, and synchronized neuronal hyperactivity. Therapeutic approaches for controlling epileptic seizures are associated with pharmacoresistance and side effects burden. Previous studies reported that different natural products may have neuroprotector effects. Sakuranetin (SAK) is a flavanone with antiparasitic, anti-inflammatory, antimutagenic, antiallergic, and antioxidant activity. In the present work, the effect of SAK on seizures in a model of status epilepticus induced by bicuculline (BIC) in mice was evaluated. Male Swiss mice received an intracerebroventricular injection (i.c.v.) of SAK (1, 10, or 20 mg/kg-SAK1, SAK10, or SAK20). Firstly, animals were evaluated in the open field (OF; 20 min), afterwards in the elevated plus maze (EPM) test (5 min). Next, 30 min prior the administration of BIC (1 mg/kg), mice received an injection of SAK (1 or 10 mg/kg, i.c.v.) and were observed in the OF (20 min) for seizures assessment. After behavioral procedures, immunohistochemical analysis of c-Fos was performed. Our main results showed that the lowest doses of SAK (1 and 10 mg/kg) increased the total distance traveled in the OF, moreover protected against seizures and death on the BIC-induced seizures model. Furthermore, SAK treatment reduced neuronal activity on the dentate gyrus of the BIC-treated animals. Taken together, our results suggest an anticonvulsant effect of SAK, which could be used for the development of anticonvulsants based on natural products from herbal source.
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Affiliation(s)
- Wilson Vicente-Silva
- Department of Biosciences, Federal University of São Paulo, Santos, São Paulo, Brazil
| | | | | | | | - Suellen Silva-Martins
- Department of Biosciences, Federal University of São Paulo, Santos, São Paulo, Brazil
| | - Tamires Alves Sarno
- Department of Biosciences, Federal University of São Paulo, Santos, São Paulo, Brazil
| | - Sara Pereira Silva
- Department of Biosciences, Federal University of São Paulo, Santos, São Paulo, Brazil
| | - Beatriz Soares-Silva
- Department of Biosciences, Federal University of São Paulo, Santos, São Paulo, Brazil
| | | | - Regina Helena da Silva
- Department of Pharmacology, Federal University of São Paulo, São Paulo, São Paulo, Brazil
| | - Carla Máximo Prado
- Department of Biosciences, Federal University of São Paulo, Santos, São Paulo, Brazil
| | - Anderson Keity Ueno
- Department of Biosciences, Federal University of São Paulo, Diadema, São Paulo, Brazil
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Wickramasinghe JS, Udagama PV, Dissanayaka VHW, Weerasooriya AD, Goonasekera HWW. Plant based radioprotectors as an adjunct to radiotherapy: advantages and limitations. JOURNAL OF RADIOLOGICAL PROTECTION : OFFICIAL JOURNAL OF THE SOCIETY FOR RADIOLOGICAL PROTECTION 2022; 42:021001. [PMID: 35130534 DOI: 10.1088/1361-6498/ac5295] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 02/07/2022] [Indexed: 06/14/2023]
Abstract
Radioprotectors are agents that have the potential to act against radiation damage to cells. These are equally invaluable in radiation protection, both in intentional and unintentional radiation exposure. It is however, complex to use a universal radioprotector that could be beneficial in diverse contexts such as in radiotherapy, nuclear accidents, and space travel, as each of these circumstances have unique requirements. In a clinical setting such as in radiotherapy, a radioprotector is used to increase the efficacy of cancer treatment. The protective agent must act against radiation damage selectively in normal healthy cells while enhancing the radiation damage imparted on cancer cells. In the context of radiotherapy, plant-based compounds offer a more reliable solution over synthetic ones as the former are less expensive, less toxic, possess synergistic phytochemical activity, and are environmentally friendly. Phytochemicals with both radioprotective and anticancer properties may enhance the treatment efficacy by two-fold. Hence, plant based radioprotective agents offer a promising field to progress forward, and to expand the boundaries of radiation protection. This review is an account on radioprotective properties of phytochemicals and complications encountered in the development of the ideal radioprotector to be used as an adjunct in radiotherapy.
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Affiliation(s)
- Jivendra S Wickramasinghe
- Department of Anatomy, Genetics and Biomedical Informatics, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
| | - Preethi V Udagama
- Department of Zoology and Environment Sciences, Faculty of Science, University of Colombo, Colombo, Sri Lanka
| | - Vajira H W Dissanayaka
- Department of Anatomy, Genetics and Biomedical Informatics, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
| | - Aruna D Weerasooriya
- Cooperative Agricultural Research Center, Prairie View A&M University, Prairie View, TX, United States of America
| | - Hemali W W Goonasekera
- Department of Anatomy, Genetics and Biomedical Informatics, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
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Fan X, Fan Z, Yang Z, Huang T, Tong Y, Yang D, Mao X, Yang M. Flavonoids-Natural Gifts to Promote Health and Longevity. Int J Mol Sci 2022; 23:ijms23042176. [PMID: 35216290 PMCID: PMC8879655 DOI: 10.3390/ijms23042176] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2022] [Revised: 02/08/2022] [Accepted: 02/14/2022] [Indexed: 02/01/2023] Open
Abstract
The aging of mammals is accompanied by the progressive atrophy of tissues and organs and the accumulation of random damage to macromolecular DNA, protein, and lipids. Flavonoids have excellent antioxidant, anti-inflammatory, and neuroprotective effects. Recent studies have shown that flavonoids can delay aging and prolong a healthy lifespan by eliminating senescent cells, inhibiting senescence-related secretion phenotypes (SASPs), and maintaining metabolic homeostasis. However, only a few systematic studies have described flavonoids in clinical treatment for anti-aging, which needs to be explored further. This review first highlights the association between aging and macromolecular damage. Then, we discuss advances in the role of flavonoid molecules in prolonging the health span and lifespan of organisms. This study may provide crucial information for drug design and developmental and clinical applications based on flavonoids.
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Affiliation(s)
- Xiaolan Fan
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu 611130, China; (X.F.); (Z.F.); (Z.Y.); (T.H.); (Y.T.); (D.Y.); (X.M.)
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Ziqiang Fan
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu 611130, China; (X.F.); (Z.F.); (Z.Y.); (T.H.); (Y.T.); (D.Y.); (X.M.)
| | - Ziyue Yang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu 611130, China; (X.F.); (Z.F.); (Z.Y.); (T.H.); (Y.T.); (D.Y.); (X.M.)
| | - Tiantian Huang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu 611130, China; (X.F.); (Z.F.); (Z.Y.); (T.H.); (Y.T.); (D.Y.); (X.M.)
| | - Yingdong Tong
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu 611130, China; (X.F.); (Z.F.); (Z.Y.); (T.H.); (Y.T.); (D.Y.); (X.M.)
| | - Deying Yang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu 611130, China; (X.F.); (Z.F.); (Z.Y.); (T.H.); (Y.T.); (D.Y.); (X.M.)
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Xueping Mao
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu 611130, China; (X.F.); (Z.F.); (Z.Y.); (T.H.); (Y.T.); (D.Y.); (X.M.)
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
| | - Mingyao Yang
- Institute of Animal Genetics and Breeding, Sichuan Agricultural University, Chengdu 611130, China; (X.F.); (Z.F.); (Z.Y.); (T.H.); (Y.T.); (D.Y.); (X.M.)
- Farm Animal Genetic Resources Exploration and Innovation Key Laboratory of Sichuan Province, Sichuan Agricultural University, Chengdu 611130, China
- Correspondence:
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Nachtergael A, Lanterbecq D, Spanoghe M, Belayew A, Duez P. Effects of Chemopreventive Natural Compounds on the Accuracy of 8-oxo-7,8-dihydro-2'-deoxyguanosine Translesion Synthesis. PLANTA MEDICA 2021; 87:868-878. [PMID: 34237787 DOI: 10.1055/a-1527-1435] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Translesion synthesis is a DNA damage tolerance mechanism that relies on a series of specialized DNA polymerases able to bypass a lesion on a DNA template strand during replication or post-repair synthesis. Specialized translesion synthesis DNA polymerases pursue replication by inserting a base opposite to this lesion, correctly or incorrectly depending on the lesion nature, involved DNA polymerase(s), sequence context, and still unknown factors. To measure the correct or mutagenic outcome of 8-oxo-7,8-dihydro-2'-deoxyguanosine bypass by translesion synthesis, a primer-extension assay was performed in vitro on a template DNA bearing this lesion in the presence of nuclear proteins extracted from human intestinal epithelial cells (FHs 74 Int cell line); the reaction products were analyzed by both denaturing capillary electrophoresis (to measure the yield of translesion elongation) and pyrosequencing (to determine the identity of the nucleotide inserted in front of the lesion). The influence of 14 natural polyphenols on the correct or mutagenic outcome of translesion synthesis through 8-oxo-7,8-dihydro-2'-deoxyguanosine was then evaluated in 2 experimental conditions by adding the polyphenol either (i) to the reaction mix during the primer extension assay; or (ii) to the culture medium, 24 h before cell harvest and nuclear proteins extraction. Most of the tested polyphenols significantly influenced the outcome of translesion synthesis, either through an error-free (apigenin, baicalein, sakuranetin, and myricetin) or a mutagenic pathway (epicatechin, chalcone, genistein, magnolol, and honokiol).
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Affiliation(s)
- Amandine Nachtergael
- Unit of Therapeutic Chemistry and Pharmacognosy, Research Institute for Health Sciences and Technology, University of Mons (UMONS), Mons, Belgium
| | - Déborah Lanterbecq
- Laboratory of Biotechnology and Applied Biology, Haute Ecole Provinciale de Hainaut CONDORCET, Ath, Belgium
| | - Martin Spanoghe
- Laboratory of Biotechnology and Applied Biology, Haute Ecole Provinciale de Hainaut CONDORCET, Ath, Belgium
| | - Alexandra Belayew
- Department of Metabolic and Molecular Biochemistry, Research Institute for Health Sciences and Technology, University of Mons (UMONS), Mons, Belgium
| | - Pierre Duez
- Unit of Therapeutic Chemistry and Pharmacognosy, Research Institute for Health Sciences and Technology, University of Mons (UMONS), Mons, Belgium
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Dowlath MJH, Karuppannan SK, Sinha P, Dowlath NS, Arunachalam KD, Ravindran B, Chang SW, Nguyen-Tri P, Nguyen DD. Effects of radiation and role of plants in radioprotection: A critical review. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 779:146431. [PMID: 34030282 DOI: 10.1016/j.scitotenv.2021.146431] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2020] [Revised: 03/07/2021] [Accepted: 03/08/2021] [Indexed: 05/16/2023]
Abstract
Radiation can be lethal at high doses, whereas controlled doses are useful in medical applications. Other applications include power generation, agriculture sterilization, nuclear weapons, and archeology. Radiation damages genetic material, which is reflected in genotoxicity and can cause hereditary damage. In the medical field, it is essential to avoid the harmful effects of radiation. Radiation countermeasures and the need for radioprotective agents have been explored in recent years. Considering plants that evolve in radiative conditions, their ability to protect organisms against radiation has been studied and demonstrated. Crude extracts, fractioned extracts, isolated phytocompounds, and plant polysaccharides from various plants have been used in radioprotection studies, and their efficiency has been proven in various in vitro and in vivo experimental models. It is important to identify the mechanism of action to develop a potent plant-based radioprotective agent. To identify this protective mechanism, it is necessary to understand the damage caused by radiation in biological systems. This review intends to discuss the effects of ionizing radiation on biological systems and evaluate plant-based radioprotectants that have tested thus far as well as their mechanism of action in protecting against the toxic effects of radiation. From the review, the mechanism of radioprotection exhibited by the plant-based products could be understood. Meanwhile, we strongly suggest that the potential products identified so far should undergo clinical trials for critically evaluating their effects and for developing an ideal and compatible radioprotectant with no side-effects.
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Affiliation(s)
- Mohammed Junaid Hussain Dowlath
- Center for Environmental Nuclear Research, Directorate of Research, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur, 603203, Kanchipuram, Chennai, Tamil Nadu, India
| | - Sathish Kumar Karuppannan
- Center for Environmental Nuclear Research, Directorate of Research, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur, 603203, Kanchipuram, Chennai, Tamil Nadu, India
| | - Pamela Sinha
- Project Management, Bioneeds India Pvt. Ltd, Peenya Industrial Area, Bengaluru 560058, India
| | - Nihala Sultana Dowlath
- Department of Biochemistry, Ethiraj College for Women, Chennai, Tamil Nadu 600008, India
| | - Kantha Deivi Arunachalam
- Center for Environmental Nuclear Research, Directorate of Research, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur, 603203, Kanchipuram, Chennai, Tamil Nadu, India.
| | - B Ravindran
- Department of Environmental Energy and Engineering, Kyonggi University Youngtong-Gu, Suwon, Gyeonggi-Do 16227, South Korea.
| | - S Woong Chang
- Department of Environmental Energy and Engineering, Kyonggi University Youngtong-Gu, Suwon, Gyeonggi-Do 16227, South Korea
| | - Phuong Nguyen-Tri
- Département de Chimie, Biochimie et Physique, Université du Québec à Trois-Rivières (UQTR), Trois-Rivières, QC G8Z 4M3, Canada
| | - D Duc Nguyen
- Faculty of Environmental and Food Engineering, Nguyen Tat Thanh University, 300A Nguyen Tat Thanh, District 4, Ho Chi Minh City, 755414, Vietnam; Department of Environmental Energy and Engineering, Kyonggi University Youngtong-Gu, Suwon, Gyeonggi-Do 16227, South Korea.
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Tatin X, Muggiolu G, Sauvaigo S, Breton J. Evaluation of DNA double-strand break repair capacity in human cells: Critical overview of current functional methods. MUTATION RESEARCH. REVIEWS IN MUTATION RESEARCH 2021; 788:108388. [PMID: 34893153 DOI: 10.1016/j.mrrev.2021.108388] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 06/17/2021] [Accepted: 06/23/2021] [Indexed: 02/05/2023]
Abstract
DNA double-strand breaks (DSBs) are highly deleterious lesions, responsible for mutagenesis, chromosomal translocation or cell death. DSB repair (DSBR) is therefore a critical part of the DNA damage response (DDR) to restore molecular and genomic integrity. In humans, this process is achieved through different pathways with various outcomes. The balance between DSB repair activities varies depending on cell types, tissues or individuals. Over the years, several methods have been developed to study variations in DSBR capacity. Here, we mainly focus on functional techniques, which provide dynamic information regarding global DSB repair proficiency or the activity of specific pathways. These methods rely on two kinds of approaches. Indirect techniques, such as pulse field gel electrophoresis (PFGE), the comet assay and immunofluorescence (IF), measure DSB repair capacity by quantifying the time-dependent decrease in DSB levels after exposure to a DNA-damaging agent. On the other hand, cell-free assays and reporter-based methods directly track the repair of an artificial DNA substrate. Each approach has intrinsic advantages and limitations and despite considerable efforts, there is currently no ideal method to quantify DSBR capacity. All techniques provide different information and can be regarded as complementary, but some studies report conflicting results. Parameters such as the type of biological material, the required equipment or the cost of analysis may also limit available options. Improving currently available methods measuring DSBR capacity would be a major step forward and we present direct applications in mechanistic studies, drug development, human biomonitoring and personalized medicine, where DSBR analysis may improve the identification of patients eligible for chemo- and radiotherapy.
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Affiliation(s)
- Xavier Tatin
- Univ. Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, 38000 Grenoble, France; LXRepair, 5 Avenue du Grand Sablon, 38700 La Tronche, France
| | | | - Sylvie Sauvaigo
- LXRepair, 5 Avenue du Grand Sablon, 38700 La Tronche, France
| | - Jean Breton
- Univ. Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, 38000 Grenoble, France.
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Nazari A, Mirian M, Aghaei M, Aliomrani M. 4-Hydroxyhalcone effects on cisplatin-induced genotoxicity model. Toxicol Res (Camb) 2021; 10:11-17. [PMID: 33613968 PMCID: PMC7885192 DOI: 10.1093/toxres/tfaa091] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Revised: 10/21/2020] [Accepted: 11/02/2020] [Indexed: 02/04/2023] Open
Abstract
BACKGROUND The genotoxicity of cisplatin (CP) as a platinum-based antineoplastic agent due to its oxidative stress induction was well known. In this research, we examined 4-hydroxychalcone (4-HCH) as a natural food that presents flavonoid effects on reactive oxygen species (ROS) production and CP-induced in vivo genotoxicity. METHOD AND MATERIALS Cytotoxicity of CP and 4-HCH was measured on human embryonic kidney 293 cells with MTT assay. Then, intracellular ROS content at IC50 concentration of CP was measured with 2',7'-dichlorofluorescein diacetate (DCFDA) dye. Finally, 4-HCH was administered intraperitoneally at 10 and 40 mg/kg/BW doses as a pre and post-treatment schedule in a mice model of CP genotoxicity (7 mg/kg). Acridine-orange-stained bone marrow cells were quantified for micronucleus presence examination. RESULTS The calculated IC50 of CP and 4-HCH were reported around 19.4 and 133.6 μM, respectively, on HEK293 cells. Also, it was observed that 4-HCH at 0.2, 2 and 10 μM concentrations did not show obvious cytotoxicity. The fluorimetry confirmed that pre-treatment with 10 μM and co-treatment with 2 μM of 4-HCH could attenuate the CP-induced ROS production (P < 0.05 and P < 0.01, respectively). Also, the lowest micronucleated cells were seen in 10 mg/kg 4-HCH-treated group after CP exposure (39 ± 7.9, P < 0.0001). DISCUSSION Our results demonstrated the antigenotoxic action of 4-HCH in CP-treated mice bone marrow cells for the first time in both concentrations of 10 and 40 mg/kg especially in the form of co-treatment. Further studies required clinical application of this compound in a combination of CP to attenuate the normal cells' genotoxicity side effects.
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Affiliation(s)
- Aref Nazari
- Toxicology M.SC Candidate, Isfahan University of Medical Sciences and Health Services, Isfahan 83714, Iran
| | - Mina Mirian
- Department of Pharmaceutical Biotechnology, School of Pharmacy, Isfahan University of Medical Sciences and Health Services, Isfahan 83714, Iran
| | - Mahmoud Aghaei
- Department of Clinical Biochemistry, School of Pharmacy, Isfahan University of Medical Sciences, Isfahan 83714, Iran
| | - Mehdi Aliomrani
- Department of Toxicology and Pharmacology and Isfahan Pharmaceutical Sciences Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences and Health Services, Isfahan 83714, Iran
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Stanley FKT, Berger ND, Pearson DD, Danforth JM, Morrison H, Johnston JE, Warnock TS, Brenner DR, Chan JA, Pierce G, Cobb JA, Ploquin NP, Goodarzi AA. A high-throughput alpha particle irradiation system for monitoring DNA damage repair, genome instability and screening in human cell and yeast model systems. Nucleic Acids Res 2020; 48:e111. [PMID: 33010172 PMCID: PMC7641727 DOI: 10.1093/nar/gkaa782] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 08/27/2020] [Accepted: 09/08/2020] [Indexed: 12/14/2022] Open
Abstract
Ionizing radiation (IR) is environmentally prevalent and, depending on dose and linear energy transfer (LET), can elicit serious health effects by damaging DNA. Relative to low LET photon radiation (X-rays, gamma rays), higher LET particle radiation produces more disease causing, complex DNA damage that is substantially more challenging to resolve quickly or accurately. Despite the majority of human lifetime IR exposure involving long-term, repetitive, low doses of high LET alpha particles (e.g. radon gas inhalation), technological limitations to deliver alpha particles in the laboratory conveniently, repeatedly, over a prolonged period, in low doses and in an affordable, high-throughput manner have constrained DNA damage and repair research on this topic. To resolve this, we developed an inexpensive, high capacity, 96-well plate-compatible alpha particle irradiator capable of delivering adjustable, low mGy/s particle radiation doses in multiple model systems and on the benchtop of a standard laboratory. The system enables monitoring alpha particle effects on DNA damage repair and signalling, genome stability pathways, oxidative stress, cell cycle phase distribution, cell viability and clonogenic survival using numerous microscopy-based and physical techniques. Most importantly, this method is foundational for high-throughput genetic screening and small molecule testing in mammalian and yeast cells.
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Affiliation(s)
- Fintan K T Stanley
- Robson DNA Science Centre, Departments of Biochemistry and Molecular Biology and Oncology, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
| | - N Daniel Berger
- Robson DNA Science Centre, Departments of Biochemistry and Molecular Biology and Oncology, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
| | - Dustin D Pearson
- Robson DNA Science Centre, Departments of Biochemistry and Molecular Biology and Oncology, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
| | - John M Danforth
- Robson DNA Science Centre, Departments of Biochemistry and Molecular Biology and Oncology, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
| | - Hali Morrison
- Division of Medical Physics, Department of Oncology, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
| | - James E Johnston
- Robson DNA Science Centre, Departments of Biochemistry and Molecular Biology and Oncology, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
| | - Tyler S Warnock
- Robson DNA Science Centre, Departments of Cancer Epidemiology and Prevention Research and Community Health Sciences, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
| | - Darren R Brenner
- Robson DNA Science Centre, Departments of Cancer Epidemiology and Prevention Research and Community Health Sciences, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
| | - Jennifer A Chan
- Department of Pathology and Laboratory Medicine, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
| | - Greg Pierce
- Division of Medical Physics, Department of Oncology, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
| | - Jennifer A Cobb
- Robson DNA Science Centre, Departments of Biochemistry and Molecular Biology and Oncology, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
| | - Nicolas P Ploquin
- Division of Medical Physics, Department of Oncology, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
| | - Aaron A Goodarzi
- Robson DNA Science Centre, Departments of Biochemistry and Molecular Biology and Oncology, Charbonneau Cancer Institute, Cumming School of Medicine, University of Calgary, Calgary, Alberta, T2N 1N4, Canada
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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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14
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A Review on Sources and Pharmacological Aspects of Sakuranetin. Nutrients 2020; 12:nu12020513. [PMID: 32085443 PMCID: PMC7071307 DOI: 10.3390/nu12020513] [Citation(s) in RCA: 41] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 02/14/2020] [Accepted: 02/16/2020] [Indexed: 01/26/2023] Open
Abstract
Sakuranetin belongs to the group of methoxylated flavanones. It is widely distributed in Polyomnia fruticosa and rice, where it acts as a phytoalexin. Other natural sources of this compound are, among others, grass trees, shrubs, flowering plants, cheery, and some herbal drugs, where it has been found in the form of glycosides (mainly sakuranin). Sakuranetin has antiproliferative activity against human cell lines typical for B16BL6 melanoma, esophageal squamous cell carcinoma (ESCC) and colon cancer (Colo 320). Moreover, sakuranetin shows antiviral activity towards human rhinovirus 3 and influenza B virus and was reported to have antioxidant, antimicrobial, antiinflammatory, antiparasitic, antimutagenic, and antiallergic properties. The aim of this review is to present the current status of knowledge of pro-health properties of sakuranetin.
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Bariar B, Vestal CG, Deem B, Goodenow D, Ughetta M, Engledove RW, Sahyouni M, Richardson C. Bioflavonoids promote stable translocations between MLL-AF9 breakpoint cluster regions independent of normal chromosomal context: Model system to screen environmental risks. ENVIRONMENTAL AND MOLECULAR MUTAGENESIS 2019; 60:154-167. [PMID: 30387535 PMCID: PMC6363851 DOI: 10.1002/em.22245] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2018] [Revised: 07/26/2018] [Accepted: 08/06/2018] [Indexed: 06/08/2023]
Abstract
Infant acute leukemias are aggressive and characterized by rapid onset after birth. The majority harbor translocations involving the MLL gene with AF9 as one of its most common fusion partners. MLL and AF9 loci contain breakpoint cluster regions (bcrs) with sequences hypothesized to be targets of topoisomerase II inhibitors that promote translocation formation. Overlap of MLL bcr sequences associated with both infant acute leukemia and therapy-related leukemia following exposure to the topoisomerase II inhibitor etoposide led to the hypothesis that exposure during pregnancy to biochemically similar compounds may promote infant acute leukemia. We established a reporter system to systematically quantitate and stratify the potential for such compounds to promote chromosomal translocations between the MLL and AF9 bcrs analogous to those in infant leukemia. We show bioflavonoids genistein and quercetin most biochemically similar to etoposide have a strong association with MLL-AF9 bcr translocations, while kaempferol, fisetin, flavone, and myricetin have a weak but consistent association, and other compounds have a minimal association in both embryonic stem (ES) and hematopoietic stem cell (HSC) populations. The frequency of translocations induced by bioflavonoids at later stages of myelopoiesis is significantly reduced by more than one log. The MLL and AF9 bcrs are sensitive to these agents and recombinogenic independent of their native context suggesting bcr sequences themselves are drivers of illegitimate DNA repair reactions and translocations, not generation of functional oncogenic fusions. This system provides for rapid systematic screening of relative risk, dose dependence, and combinatorial impact of multitudes of dietary and environmental exposures on MLL-AF9 translocations. Environ. Mol. Mutagen. 60: 154-167, 2019. © 2018 Wiley Periodicals, Inc.
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Affiliation(s)
- Bhawana Bariar
- University of North Carolina at Charlotte, Dept of Biological Sciences, 9201 University City Boulevard, Charlotte NC, 28223
| | - C. Greer Vestal
- University of North Carolina at Charlotte, Dept of Biological Sciences, 9201 University City Boulevard, Charlotte NC, 28223
| | - Bradley Deem
- University of North Carolina at Charlotte, Dept of Biological Sciences, 9201 University City Boulevard, Charlotte NC, 28223
| | - Donna Goodenow
- University of North Carolina at Charlotte, Dept of Biological Sciences, 9201 University City Boulevard, Charlotte NC, 28223
| | - Mimi Ughetta
- University of North Carolina at Charlotte, Dept of Biological Sciences, 9201 University City Boulevard, Charlotte NC, 28223
| | - R. Warren Engledove
- University of North Carolina at Charlotte, Dept of Biological Sciences, 9201 University City Boulevard, Charlotte NC, 28223
| | - Mark Sahyouni
- University of North Carolina at Charlotte, Dept of Biological Sciences, 9201 University City Boulevard, Charlotte NC, 28223
| | - Christine Richardson
- University of North Carolina at Charlotte, Dept of Biological Sciences, 9201 University City Boulevard, Charlotte NC, 28223
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16
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Yun KL, Wang ZY. Target/signalling pathways of natural plant-derived radioprotective agents from treatment to potential candidates: A reverse thought on anti-tumour drugs. Biomed Pharmacother 2017; 91:1122-1151. [DOI: 10.1016/j.biopha.2017.05.001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 04/15/2017] [Accepted: 05/01/2017] [Indexed: 02/07/2023] Open
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Alam P, Parvez MK, Arbab AH, Siddiqui NA, Al-Dosary MS, Al-Rehaily AJ, Ahmed S, Kalam MA, Ahmad MS. Inter-species comparative antioxidant assay and HPTLC analysis of sakuranetin in the chloroform and ethanol extracts of aerial parts of Rhus retinorrhoea and Rhus tripartita. PHARMACEUTICAL BIOLOGY 2017; 55:1450-1457. [PMID: 28345446 PMCID: PMC6130486 DOI: 10.1080/13880209.2017.1304428] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Context: Extensive research on Rhus (Anacardiaceae) shows their antioxidant potential, which warrants further evaluation of its other species. Objective: To perform a comparative antioxidant assay on extracts of R. retinorrhoea and R. tripartita, including sakuranetin quantification by a validated HPTLC method. Materials and methods:In vitro antioxidant assay was performed on chloroform and ethanol extracts of R. retinorrhoea Steud. ex Oliv. (RRCE and RREE) and R. tripartita (Ucria) Grande (RTCE and RTEE) by DPPH radical scavenging (at 31.25, 62.5, 125, 250 and 500 μg/mL concentrations) and β-carotene-linoleic acid bleaching methods at 500 μg/mL concentration. Densitometric HPTLC method was developed and validated using toluene: ethyl acetate: methanol (8:2:0.2; v/v/v) as mobile phase, executed on glass-backed silica gel F254 plate and scanned at 292 nm. Results: Antioxidant activity of Rhus extracts tested by the two methods (DPPH/BCB) was found in order of RTEE > RREE > RTCE > RRCE with IC50 118.67/256.26, 315.75/82.35, 827.92/380.0 and 443.69/292.75, respectively. Scanning of the HPTLC plate provided an intense peak of sakuranetin at Rf = 0.59. The estimated sakuranetin content in the dry weight of the extracts was highest in RREE (27.95 μg/mg) followed by RRCE (25.22 μg/mg), RTEE (0.487 μg/mg) and RTCE (0.0 μg/mg). Presence of sakuranetin in RREE, RRCE and RTEE supported the highest antioxidant property of the two Rhus species. Nonetheless, low sakuratenin in R. tripartita indicated the presence of other bioactive constituents responsible for synergistic antioxidant activity. Conclusion: The developed HPTLC method therefore guarantees its application in quality control of commercialized herbal drugs and formulations containing sakuranetin.
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Affiliation(s)
- Perwez Alam
- a Department of Pharmacognosy , College of Pharmacy, King Saud University , Riyadh , Kingdom of Saudi Arabia
| | - Mohammad Khalid Parvez
- a Department of Pharmacognosy , College of Pharmacy, King Saud University , Riyadh , Kingdom of Saudi Arabia
| | - Ahmed Hassan Arbab
- a Department of Pharmacognosy , College of Pharmacy, King Saud University , Riyadh , Kingdom of Saudi Arabia.,b Department of Pharmacognosy , College of Pharmacy, Omdurman Islamic University , Khartoum , Sudan
| | - Nasir Ali Siddiqui
- a Department of Pharmacognosy , College of Pharmacy, King Saud University , Riyadh , Kingdom of Saudi Arabia
| | - Mohammed Salem Al-Dosary
- a Department of Pharmacognosy , College of Pharmacy, King Saud University , Riyadh , Kingdom of Saudi Arabia
| | - Adnan Jathlan Al-Rehaily
- a Department of Pharmacognosy , College of Pharmacy, King Saud University , Riyadh , Kingdom of Saudi Arabia
| | - Sarfaraz Ahmed
- a Department of Pharmacognosy , College of Pharmacy, King Saud University , Riyadh , Kingdom of Saudi Arabia
| | - Mohd Abul Kalam
- c Nanomedicine Research Unit, Department of Pharmaceutics , College of Pharmacy, King Saud University , Riyadh , Kingdom of Saudi Arabia
| | - Mohammad Shamim Ahmad
- a Department of Pharmacognosy , College of Pharmacy, King Saud University , Riyadh , Kingdom of Saudi Arabia
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Timiri Shanmugam PS, Nair RP, De Benedetti A, Caldito G, Abreo F, Sunavala-Dossabhoy G. Tousled kinase activator, gallic acid, promotes homologous recombinational repair and suppresses radiation cytotoxicity in salivary gland cells. Free Radic Biol Med 2016; 93:217-26. [PMID: 26855419 PMCID: PMC5257199 DOI: 10.1016/j.freeradbiomed.2015.12.029] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Revised: 12/18/2015] [Accepted: 12/24/2015] [Indexed: 01/19/2023]
Abstract
Accidental or medical radiation exposure of the salivary glands can gravely impact oral health. Previous studies have shown the importance of Tousled-like kinase 1 (TLK1) and its alternate start variant TLK1B in cell survival against genotoxic stresses. Through a high-throughput library screening of natural compounds, the phenolic phytochemical, gallic acid (GA), was identified as a modulator of TLK1/1B. This small molecule possesses anti-oxidant and free radical scavenging properties, but in this study, we report that in vitro it promotes survival of human salivary acinar cells, NS-SV-AC, through repair of ionizing radiation damage. Irradiated cells treated with GA show improved clonogenic survival compared to untreated controls. And, analyses of DNA repair kinetics by alkaline single-cell gel electrophoresis and γ-H2AX foci immunofluorescence indicate rapid resolution of DNA breaks in drug-treated cells. Study of DR-GFP transgene repair indicates GA facilitates homologous recombinational repair to establish a functional GFP gene. In contrast, inactivation of TLK1 or its shRNA knockdown suppressed resolution of radiation-induced DNA tails in NS-SV-AC, and homology directed repair in DR-GFP cells. Consistent with our results in culture, animals treated with GA after exposure to fractionated radiation showed better preservation of salivary function compared to saline-treated animals. Our results suggest that GA-mediated transient modulation of TLK1 activity promotes DNA repair and suppresses radiation cytoxicity in salivary gland cells.
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Affiliation(s)
- Prakash Srinivasan Timiri Shanmugam
- Department of Biochemistry and Molecular Biology, Louisiana State University Health Sciences Center, 1501 Kings Highway, Shreveport, LA 71130, USA
| | - Renjith Parameshwaran Nair
- Department of Biochemistry and Molecular Biology, Louisiana State University Health Sciences Center, 1501 Kings Highway, Shreveport, LA 71130, USA
| | - Arrigo De Benedetti
- Department of Biochemistry and Molecular Biology, Louisiana State University Health Sciences Center, 1501 Kings Highway, Shreveport, LA 71130, USA
| | - Gloria Caldito
- Department of Computational Biology and Bioinformatics, Louisiana State University Health Sciences Center, 1501 Kings Highway, Shreveport, LA 71130, USA
| | - Fleurette Abreo
- Department of Pathology, Louisiana State University Health Sciences Center, 1501 Kings Highway, Shreveport, LA 71130, USA
| | - Gulshan Sunavala-Dossabhoy
- Department of Biochemistry and Molecular Biology, Louisiana State University Health Sciences Center, 1501 Kings Highway, Shreveport, LA 71130, USA.
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19
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Cho YH, Lee JW, Woo HD, Lee S, Kim YJ, Lee Y, Shin S, Joung H, Chung HW. Protective Effect of Onion Extract on Bleomycin-Induced Cytotoxicity and Genotoxicity in Human Lymphocytes. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2016; 13:227. [PMID: 26907305 PMCID: PMC4772247 DOI: 10.3390/ijerph13020227] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/31/2015] [Revised: 01/29/2016] [Accepted: 02/06/2016] [Indexed: 01/19/2023]
Abstract
Following one of the world's largest nuclear accidents, occured at Fukushima, Japan in 2011, a significant scientific effort has focused on minimizing the potential adverse health effects due to radiation exposure. The use of natural dietary antioxidants to reduce the risk of radiation-induced oxidative DNA damage is a simple strategy for minimizing radiation-related cancer rates and improving overall health. The onion is among the richest sources of dietary flavonoids and is an important food for increasing their overall intake. Therefore, we examined the effect of an onion extract on cyto- and geno-toxicity in human lymphocytes treated with bleomycin (BLM), a radiomimetic agent. In addition, we measured the frequency of micronuclei (MN) and DNA damage following treatment with BLM using a cytokinesis-blocked micronucleus assay and a single cell gel electrophoresis assay. We observed a significant increase in cell viability in lymphocytes treated with onion extract then exposed to BLM compared to cells treated with BLM alone. The frequency of BLM induced MN and DNA damage increased in a dose-dependent manner; however, when lymphocytes were pretreated with onion extract (10 and 20 μL/mL), the frequency of BLM-induced MN was decreased at all doses of BLM and DNA damage was decreased at 3 μg/mL of BLM. These results suggest that onion extract may have protective effects against BLM-induced cyto- and genotoxicity in human lymphocytes.
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Affiliation(s)
- Yoon Hee Cho
- School of Public Health, Seoul National University, Gwanak-gu, Seoul 151-742, Korea.
- Department of Biomedical and Pharmaceutical Sciences, College of Health Professions and Biomedical Sciences, University of Montana, 32 Campus Drive, Missoula, MT 59812, USA.
| | - Joong Won Lee
- School of Public Health, Seoul National University, Gwanak-gu, Seoul 151-742, Korea.
| | - Hae Dong Woo
- Molecular Epidemiology Branch, Division of Cancer Epidemiology and Prevention, Research Institute, National Cancer Center, Ilsandong-gu, Gyeonggi-do 410-769, Korea.
| | - Sunyeong Lee
- School of Public Health, Seoul National University, Gwanak-gu, Seoul 151-742, Korea.
| | - Yang Jee Kim
- Da Vinci College of General Education, Chung-Ang University, Dongjak-Gu, Seoul 156-756, Korea.
| | - Younghyun Lee
- School of Public Health, Seoul National University, Gwanak-gu, Seoul 151-742, Korea.
| | - Sangah Shin
- Institute of Health and Environment, Seoul National University, Gwanak-gu, Seoul 151-742, Korea.
| | - Hyojee Joung
- School of Public Health, Seoul National University, Gwanak-gu, Seoul 151-742, Korea.
| | - Hai Won Chung
- School of Public Health, Seoul National University, Gwanak-gu, Seoul 151-742, Korea.
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20
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Feitelson MA, Arzumanyan A, Kulathinal RJ, Blain SW, Holcombe RF, Mahajna J, Marino M, Martinez-Chantar ML, Nawroth R, Sanchez-Garcia I, Sharma D, Saxena NK, Singh N, Vlachostergios PJ, Guo S, Honoki K, Fujii H, Georgakilas AG, Bilsland A, Amedei A, Niccolai E, Amin A, Ashraf SS, Boosani CS, Guha G, Ciriolo MR, Aquilano K, Chen S, Mohammed SI, Azmi AS, Bhakta D, Halicka D, Keith WN, Nowsheen S. Sustained proliferation in cancer: Mechanisms and novel therapeutic targets. Semin Cancer Biol 2015; 35 Suppl:S25-S54. [PMID: 25892662 PMCID: PMC4898971 DOI: 10.1016/j.semcancer.2015.02.006] [Citation(s) in RCA: 419] [Impact Index Per Article: 46.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2014] [Revised: 02/20/2015] [Accepted: 02/23/2015] [Indexed: 02/08/2023]
Abstract
Proliferation is an important part of cancer development and progression. This is manifest by altered expression and/or activity of cell cycle related proteins. Constitutive activation of many signal transduction pathways also stimulates cell growth. Early steps in tumor development are associated with a fibrogenic response and the development of a hypoxic environment which favors the survival and proliferation of cancer stem cells. Part of the survival strategy of cancer stem cells may manifested by alterations in cell metabolism. Once tumors appear, growth and metastasis may be supported by overproduction of appropriate hormones (in hormonally dependent cancers), by promoting angiogenesis, by undergoing epithelial to mesenchymal transition, by triggering autophagy, and by taking cues from surrounding stromal cells. A number of natural compounds (e.g., curcumin, resveratrol, indole-3-carbinol, brassinin, sulforaphane, epigallocatechin-3-gallate, genistein, ellagitannins, lycopene and quercetin) have been found to inhibit one or more pathways that contribute to proliferation (e.g., hypoxia inducible factor 1, nuclear factor kappa B, phosphoinositide 3 kinase/Akt, insulin-like growth factor receptor 1, Wnt, cell cycle associated proteins, as well as androgen and estrogen receptor signaling). These data, in combination with bioinformatics analyses, will be very important for identifying signaling pathways and molecular targets that may provide early diagnostic markers and/or critical targets for the development of new drugs or drug combinations that block tumor formation and progression.
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Affiliation(s)
- Mark A Feitelson
- Department of Biology, Temple University, Philadelphia, PA, United States.
| | - Alla Arzumanyan
- Department of Biology, Temple University, Philadelphia, PA, United States
| | - Rob J Kulathinal
- Department of Biology, Temple University, Philadelphia, PA, United States
| | - Stacy W Blain
- Department of Pediatrics, State University of New York, Downstate Medical Center, Brooklyn, NY, United States
| | - Randall F Holcombe
- Tisch Cancer Institute, Mount Sinai School of Medicine, New York, NY, United States
| | - Jamal Mahajna
- MIGAL-Galilee Technology Center, Cancer Drug Discovery Program, Kiryat Shmona, Israel
| | - Maria Marino
- Department of Science, University Roma Tre, V.le G. Marconi, 446, 00146 Rome, Italy
| | - Maria L Martinez-Chantar
- Metabolomic Unit, CIC bioGUNE, Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas, Technology Park of Bizkaia, Bizkaia, Spain
| | - Roman Nawroth
- Department of Urology, Klinikum rechts der Isar der Technischen Universität München, Munich, Germany
| | - Isidro Sanchez-Garcia
- Experimental Therapeutics and Translational Oncology Program, Instituto de Biología Molecular y Celular del Cáncer, CSIC/Universidad de Salamanca, Salamanca, Spain
| | - Dipali Sharma
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Neeraj K Saxena
- Department of Oncology, Johns Hopkins University School of Medicine and the Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins, Baltimore, MD, United States
| | - Neetu Singh
- Tissue and Cell Culture Unit, CSIR-Central Drug Research Institute, Council of Scientific & Industrial Research, Lucknow, India
| | | | - Shanchun Guo
- Department of Microbiology, Biochemistry & Immunology, Morehouse School of Medicine, Atlanta, GA, United States
| | - Kanya Honoki
- Department of Orthopedic Surgery, Nara Medical University, Kashihara 634-8521, Japan
| | - Hiromasa Fujii
- Department of Orthopedic Surgery, Nara Medical University, Kashihara 634-8521, Japan
| | - Alexandros G Georgakilas
- Physics Department, School of Applied Mathematical and Physical Sciences, National Technical University of Athens, Zografou 15780, Athens, Greece
| | - Alan Bilsland
- Institute of Cancer Sciences, University of Glasgow, UK
| | - Amedeo Amedei
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy
| | - Elena Niccolai
- Department of Experimental and Clinical Medicine, University of Florence, 50134 Florence, Italy
| | - Amr Amin
- Department of Biology, College of Science, UAE University, Al-Ain, United Arab Emirates
| | - S Salman Ashraf
- Department of Chemistry, College of Science, UAE University, Al-Ain, United Arab Emirates
| | - Chandra S Boosani
- Department of BioMedical Sciences, Creighton University, Omaha, NE, United States
| | - Gunjan Guha
- School of Chemical and Bio Technology, SASTRA University, Thanjavur, India
| | - Maria Rosa Ciriolo
- Department of Biology, University of Rome "Tor Vergata", 00133 Rome, Italy
| | - Katia Aquilano
- Department of Biology, University of Rome "Tor Vergata", 00133 Rome, Italy
| | - Sophie Chen
- Department of Research and Development, Ovarian and Prostate Cancer Research Trust Laboratory, Guildford, Surrey GU2 7YG, United Kingdom
| | - Sulma I Mohammed
- Department of Comparative Pathobiology, Purdue University Center for Cancer Research, West Lafayette, IN, United States
| | - Asfar S Azmi
- Department of Pathology, Karmonas Cancer Institute, Wayne State University School of Medicine, Detroit, MI, United States
| | - Dipita Bhakta
- School of Chemical and Bio Technology, SASTRA University, Thanjavur, India
| | - Dorota Halicka
- Brander Cancer Research Institute, Department of Pathology, New York Medical College, Valhalla, NY, United States
| | - W Nicol Keith
- Institute of Cancer Sciences, University of Glasgow, UK
| | - Somaira Nowsheen
- Mayo Graduate School, Mayo Medical School, Mayo Clinic Medical Scientist Training Program, Rochester, MN, United States
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21
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Evasion of anti-growth signaling: A key step in tumorigenesis and potential target for treatment and prophylaxis by natural compounds. Semin Cancer Biol 2015; 35 Suppl:S55-S77. [PMID: 25749195 DOI: 10.1016/j.semcancer.2015.02.005] [Citation(s) in RCA: 68] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2014] [Revised: 02/11/2015] [Accepted: 02/13/2015] [Indexed: 12/14/2022]
Abstract
The evasion of anti-growth signaling is an important characteristic of cancer cells. In order to continue to proliferate, cancer cells must somehow uncouple themselves from the many signals that exist to slow down cell growth. Here, we define the anti-growth signaling process, and review several important pathways involved in growth signaling: p53, phosphatase and tensin homolog (PTEN), retinoblastoma protein (Rb), Hippo, growth differentiation factor 15 (GDF15), AT-rich interactive domain 1A (ARID1A), Notch, insulin-like growth factor (IGF), and Krüppel-like factor 5 (KLF5) pathways. Aberrations in these processes in cancer cells involve mutations and thus the suppression of genes that prevent growth, as well as mutation and activation of genes involved in driving cell growth. Using these pathways as examples, we prioritize molecular targets that might be leveraged to promote anti-growth signaling in cancer cells. Interestingly, naturally occurring phytochemicals found in human diets (either singly or as mixtures) may promote anti-growth signaling, and do so without the potentially adverse effects associated with synthetic chemicals. We review examples of naturally occurring phytochemicals that may be applied to prevent cancer by antagonizing growth signaling, and propose one phytochemical for each pathway. These are: epigallocatechin-3-gallate (EGCG) for the Rb pathway, luteolin for p53, curcumin for PTEN, porphyrins for Hippo, genistein for GDF15, resveratrol for ARID1A, withaferin A for Notch and diguelin for the IGF1-receptor pathway. The coordination of anti-growth signaling and natural compound studies will provide insight into the future application of these compounds in the clinical setting.
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22
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Araki M, Ishii T. Towards social acceptance of plant breeding by genome editing. TRENDS IN PLANT SCIENCE 2015; 20:145-9. [PMID: 25726138 DOI: 10.1016/j.tplants.2015.01.010] [Citation(s) in RCA: 99] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/21/2014] [Revised: 12/05/2014] [Accepted: 01/19/2015] [Indexed: 05/20/2023]
Abstract
Although genome-editing technologies facilitate efficient plant breeding without introducing a transgene, it is creating indistinct boundaries in the regulation of genetically modified organisms (GMOs). Rapid advances in plant breeding by genome-editing require the establishment of a new global policy for the new biotechnology, while filling the gap between process-based and product-based GMO regulations. In this Opinion article we review recent developments in producing major crops using genome-editing, and we propose a regulatory model that takes into account the various methodologies to achieve genetic modifications as well as the resulting types of mutation. Moreover, we discuss the future integration of genome-editing crops into society, specifically a possible response to the 'Right to Know' movement which demands labeling of food that contains genetically engineered ingredients.
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Affiliation(s)
- Motoko Araki
- Office of Health and Safety, Hokkaido University, Sapporo 060-0808, Hokkaido, Japan
| | - Tetsuya Ishii
- Office of Health and Safety, Hokkaido University, Sapporo 060-0808, Hokkaido, Japan.
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