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Yadav V, Fuentes JL, Krishnan A, Singh N, Vohora D. Guidance for the use and interpretation of assays for monitoring anti-genotoxicity. Life Sci 2024; 337:122341. [PMID: 38101613 DOI: 10.1016/j.lfs.2023.122341] [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: 08/03/2023] [Revised: 12/05/2023] [Accepted: 12/06/2023] [Indexed: 12/17/2023]
Abstract
Since DNA damage can occur spontaneously or be produced by the environmental genotoxins in living cells, it is important to investigate compounds that can reverse or protect DNA damage. An appropriate methodology is essential for the responsive identification of protection offered against DNA damage. This review includes information on the current state of knowledge on prokaryotic cell-based assays (SOS chromotest, umu test, vitotox assay) and cytogenetic techniques (micronucleus assay, chromosome aberration test and sister chromatid exchange assay) with an emphasis on the possibility to explore genoprotective compounds. Throughout the last decade, studies have extrapolated the scientific methodologies utilized for genotoxicity to assess genoprotective compounds. Therefore, shortcomings of genotoxicity studies are also mirrored in antigenotoxicity studies. While regulatory authorities around the world (OECD, US-EPA and ICH) continue to update diverse genotoxic assay strategies, there are still no clear guidelines/approaches for efficient experimental design to screen genoprotective compounds. As a consequence, non-synergetic and inconsistent implementation of the test method by the researchers to execute such simulations has been adopted, which inevitably results in unreliable findings. The review has made the first attempt to collect various facets of experimentally verified approaches for evaluating genoprotective compounds, as well as to acknowledge potential significance and constraints, and further focus on the assessment of end points which are required to validate such action. Henceforth, the review makes an incredible commitment by permitting readers to equate several components of their test arrangement with the provided simplified information, allowing the selection of convenient technique for the predefined compound from a central repository.
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Affiliation(s)
- Vaishali Yadav
- Neurobehavioral Pharmacology Laboratory, Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India
| | - Jorge L Fuentes
- School of Biology, Science Faculty, Industrial University of Santander, Bucaramanga 680002, Santander, Colombia
| | - Anuja Krishnan
- Department of Molecular Medicine, School of Interdisciplinary Science and Technology, Jamia Hamdard, New Delhi 110062, India
| | - Neenu Singh
- Leicester School of Allied Health Sciences, Faculty of Health & Life Sciences, De Montfort University, The Gateway, Leicester LE1 9BH, UK
| | - Divya Vohora
- Neurobehavioral Pharmacology Laboratory, Department of Pharmacology, School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi 110062, India.
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2
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Gutiérrez-Pacheco SL, Peña-Ramos EA, Santes-Palacios R, Valenzuela-Melendres M, Hernández-Mendoza A, Burgos-Hernández A, Robles-Zepeda RE, Espinosa-Aguirre JJ. Inhibition of the CYP Enzymatic System Responsible of Heterocyclic Amines Bioactivation by an Asclepias subulata Extract. PLANTS (BASEL, SWITZERLAND) 2023; 12:2354. [PMID: 37375979 DOI: 10.3390/plants12122354] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/10/2023] [Accepted: 06/15/2023] [Indexed: 06/29/2023]
Abstract
Asclepias subulata plant extract has previously demonstrated antiproliferative activity and antimutagenicity against heterocyclic aromatic amines (HAAs) commonly found in cooked meat. The objective of this work was to evaluate the in vitro ability of an ethanolic extract from the medicinal plant Asclepias subulata extract (ASE), non-heated and heated (180 °C), to inhibit the activity of CYP1A1 and CYP1A2, which are largely responsible for HAAs bioactivation. Ethoxyresorufin and methoxyresorufin O-dealkylation assays were performed in rat liver microsomes exposed to ASE (0.002-960 µg/mL). ASE exerted an inhibitory effect in a dose-dependent manner. The half inhibitory concentration (IC50) for unheated ASE was 353.6 µg/mL and 75.9 µg/mL for heated ASE in EROD assay. An IC40 value of 288.4 ± 5.8 µg/mL was calculated for non-heated ASE in MROD assay. However, after heat treatment, the IC50 value was 232.1 ± 7.4 µg/mL. Molecular docking of corotoxigenin-3-O-glucopyranoside, one of the main components of ASE, with CYP1A1/2 structure, was performed. Results show that the interaction of corotoxigenin-3-O-glucopyranoside with CYP1A1/2s' α-helices, which are related with the active site and the heme cofactor, may explain the plant extract's inhibitory properties. Results showed that ASE inhibits CYP1A enzymatic subfamily and may potentially act as a chemopreventive agent by inhibiting bioactivation of promutagenic dietary HAAs.
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Affiliation(s)
- Samaria Lisdeth Gutiérrez-Pacheco
- Coordinación de Tecnología de Alimentos de Origen Animal, Centro de Investigación en Alimentación y Desarrollo, A.C. Carretera Gustavo Enrique Astiazarán Rosas No. 46, La Victoria, Hermosillo 83304, Mexico
| | - Etna Aida Peña-Ramos
- Coordinación de Tecnología de Alimentos de Origen Animal, Centro de Investigación en Alimentación y Desarrollo, A.C. Carretera Gustavo Enrique Astiazarán Rosas No. 46, La Victoria, Hermosillo 83304, Mexico
| | - Rebeca Santes-Palacios
- Laboratorio de Toxicología Genética, Instituto Nacional de Pediatría, Insurgentes Sur 3700-C, Insurgentes Cuicuilco, Coyoacán, Ciudad de México 04530, Mexico
| | - Martin Valenzuela-Melendres
- Coordinación de Tecnología de Alimentos de Origen Animal, Centro de Investigación en Alimentación y Desarrollo, A.C. Carretera Gustavo Enrique Astiazarán Rosas No. 46, La Victoria, Hermosillo 83304, Mexico
| | - Adrián Hernández-Mendoza
- Coordinación de Tecnología de Alimentos de Origen Animal, Centro de Investigación en Alimentación y Desarrollo, A.C. Carretera Gustavo Enrique Astiazarán Rosas No. 46, La Victoria, Hermosillo 83304, Mexico
| | - Armando Burgos-Hernández
- Departamento de Investigación y Posgrado en Alimentos, Universidad de Sonora, Boulevard Luis Encinas y Rosales SN Centro, Hermosillo 83000, Mexico
| | - Ramón Enrique Robles-Zepeda
- Departamento de Ciencias Químico-Biológicas, Universidad de Sonora, Boulevard Luis Encinas y Rosales SN Centro, Hermosillo 83000, Mexico
| | - Jesús Javier Espinosa-Aguirre
- Instituto de Investigaciones Biomédicas, Universidad Nacional Autónoma de México, Tercer Circuito Exterior sin Número, Ciudad Universitaria, Ciudad de México 04510, Mexico
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Antioxidant and antibacterial activities of Artemisia absinthium and Citrus paradisi extracts repress viability of aggressive liver cancer cell line. Mol Biol Rep 2021; 48:7703-7710. [PMID: 34755263 DOI: 10.1007/s11033-021-06777-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Accepted: 09/17/2021] [Indexed: 12/30/2022]
Abstract
BACKGROUND Numerous reports show that herbal medicines can be utilized in the treatment of different liver disorders. In this study, antioxidant, antibacterial, and anticancer activities of individual as well as combined 80% ethanolic extracts of Artemisia absinthium leaves and Citrus paradisi peels were investigated. METHODS AND RESULTS Values of total phenolic contents (TPC), total flavonoid contents (TFC), DPPH-radical scavenging activity, and ferric reducing antioxidant power (FRAP) were measured to explore the antioxidant capacity. To assess antibacterial activity, four bacterial strains (Escherichia coli, Staphylococcus aureus, Salmonella enterica, and Klebsiella pneumoniae) were used. Anticancer activity was assessed on Huh-7 (liver cancer) and Vero (non-cancerous) cell lines. FRAP activity of combined plants extract was higher as compared to their individual effect; the trend did not hold in the case of DPPH-radical scavenging activity. Antibacterial activity of combined extracts by disk diffusion method was observed only against E.coli. MTT results indicated that both plants had a cytotoxic effect on Huh-7 cell line but did not show any effect on Vero cell line. Our data showed a strong negative correlation between the amount of TPC, TFC, & DPPH radicals-scavenging activity and viability of Huh-7 cell line.However, no effect was shown on the non-cancerous cell line. CONCLUSION The ethanolic extracts of Artemisia absinthium leaves and Citrus paradisi peels can be used against liver cancer because of their antioxidant, antibacterial, and anticancer activities.
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Valdés-Arellanes M, Ortega-Hernández G, Cervantes-Santos DM, Rendón-Barrón MJ, Madrigal-Santillán EO, Morales-González JA, Paniagua-Pérez R, Madrigal-Bujaidar E, Álvarez-González I. In vivo genotoxic and cytotoxic evaluation of venom obtained from the species of the snake ophryacus, cope, viperidae. TOXIN REV 2021. [DOI: 10.1080/15569543.2021.1975752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Mariel Valdés-Arellanes
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, México
| | - Gerardo Ortega-Hernández
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, México
| | - Doralí M. Cervantes-Santos
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, México
| | - Michael Joshue Rendón-Barrón
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, México
| | | | - José Antonio Morales-González
- Laboratorio de Medicina de Conservación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Ciudad de México, México
| | | | - Eduardo Madrigal-Bujaidar
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, México
| | - Isela Álvarez-González
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, México
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Eremina NV, Zhanataev AK, Durnev AD. Induced Cell Death as a Possible Pathway of Antimutagenic Action. Bull Exp Biol Med 2021; 171:1-14. [PMID: 34050413 DOI: 10.1007/s10517-021-05161-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Indexed: 12/24/2022]
Abstract
The existing concepts of antimutagenesis are briefly reviewed. Published reports on antimutagenic and proapoptotic properties of some polyphenols and compounds of other chemical groups obtained in representative in vitro and in vivo experiments on eukaryotic test systems are discussed. The relationships between the antimutagenic and proapoptotic properties of the analyzed compounds (naringin, apigenin, resveratrol, curcumin, N-acetylcysteine, etc.) are considered in favor of the hypothesis on induced cell death as an antimutagenic tool.
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Affiliation(s)
- N V Eremina
- V. V. Zakusov Research Institute of Pharmacology, Russian Academy of Medical Sciences, Moscow, Russia
| | - A K Zhanataev
- V. V. Zakusov Research Institute of Pharmacology, Russian Academy of Medical Sciences, Moscow, Russia
| | - A D Durnev
- V. V. Zakusov Research Institute of Pharmacology, Russian Academy of Medical Sciences, Moscow, Russia.
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Khattab SA, Hussien WF, Raafat N, Ahmed Alaa El-Din E. Effects of catechin hydrate in benzo[ a]pyrene-induced lung toxicity: roles of oxidative stress, apoptosis, and DNA damage. Toxicol Mech Methods 2021; 31:467-475. [PMID: 34027802 DOI: 10.1080/15376516.2021.1916667] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The major sources for human exposure to Benzo [a] pyrene (B[a]P) are contaminated food, water, and inhalation of polycyclic aromatic hydrocarbon. B[a]P is a well-known human genotoxic carcinogen (IARC Group 1). It has a tumorigenic potential in virtually all in vivo experimental animal model systems. The study aimed to evaluate the effect of catechin hydrate (CH) against B [a] P-induced toxicity in the lung of adult albino rats. Thirty-six adult male albino rats (150-200 g) were divided into six groups, three control groups, and three experimental groups: B[a] P-treated group, (CH)-treated group, and B[a] P+(CH)-treated group. At the end of the fourth week of the study, blood samples and lung tissues were obtained for the biochemical and genotoxicity, RT-PCR, histopathological, and immunohistochemical investigations, respectively. Our results clarified that B[a] P exposure caused a subsequent decrease in the activities of antioxidant enzymes (SOD, CAT), and conversely (MDA) levels elevated markedly. Also, B[a] P induced DNA damages and activated the apoptotic pathway, presented by upregulated Bax, caspase-3, and downregulated Bcl-2 gens. However, treatment with CH increased antioxidant enzymes as well as regulated apoptosis. Discernible histological changes in the lung also supported the protective effects of CH. These findings suggested that CH is an effective natural product that attenuates Benzo [a] pyrene-induced lung toxicity.
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Affiliation(s)
- Samah A Khattab
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Wafaa F Hussien
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Nermin Raafat
- Department of Medical Biochemistry, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Eman Ahmed Alaa El-Din
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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Mechanistic study of bergamottin-induced inactivation of CYP2C9. Food Chem Toxicol 2021; 153:112278. [PMID: 34019943 DOI: 10.1016/j.fct.2021.112278] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 05/02/2021] [Accepted: 05/13/2021] [Indexed: 12/22/2022]
Abstract
Bergamottin (BGM) is a major furanocoumarin constituent of grapefruit and is reported to have inhibitory effects on cytochrome P450 enzymes. This study investigated the chemical interactions between BGM and the enzyme CYP2C9. BGM exhibited time-, concentration-, and NADPH-dependent inhibition of CYP2C9. Co-incubation with diclofenac, a reversible inhibitor of CYP2C9, attenuated the time-dependent enzyme inhibition. Exhaustive dialysis did not restore enzyme activity post-inhibition. Glutathione (GSH) and catalase/superoxide dismutase failed to reverse BGM-induced CYP2C9 inactivation. A GSH trapping study suggested that BGM was metabolized to an epoxide and/or γ-ketoenal that may have been responsible for the enzyme inactivation. In conclusion, BGM can be characterized as a mechanism-based inactivator of CYP2C9 acting via the formation of an epoxide and/or γ-ketoenal.
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8
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Egas-Astudillo LA, Martínez-Navarrete N, Camacho MDM. Quality of a powdered grapefruit product formulated with biopolymers obtained by freeze-drying and spray-drying. J Food Sci 2021; 86:2255-2263. [PMID: 33997988 DOI: 10.1111/1750-3841.15750] [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: 07/14/2020] [Revised: 02/25/2021] [Accepted: 03/29/2021] [Indexed: 11/28/2022]
Abstract
Freeze-drying and spray-drying are two techniques used to produce dehydrated food products. Both techniques are easy to use and offer high sensory, nutritive value, and functional quality to foods. However, both processes become difficult for foods with high sugar and acid content, such as fruits. This is because these products, once dehydrated, moisten quickly, causing a change in their physical properties, mainly in the mechanical aspects related to the start of a caking phenomenon. Therefore, incorporating high molecular weight biopolymers that act as facilitators or processors, prevent the structural collapse of the product. The aim of this study was to select the best process, between freeze-drying or spray-drying, to obtain a powdered grapefruit product with the higher quality. The impact of the biopolymers used to stabilize the powdered product was also tested. The properties analyzed were the solubility, wettability, hygroscopicity, porosity, and color of the powder together with the flow behavior, both in air and water. The results of this study show that using the freeze-drying technique, products have a better flow behavior, greater porosity, and a color more like fresh grapefruit. Biopolymers, especially when in combination, have a positive effect on the quality parameters studied. PRACTICAL APPLICATION: The results of this study allow freeze-drying to be proposed as a process to obtain a grapefruit product with better properties, both powdered and rehydrated, than that obtained by spray-drying. On the other hand, although the incorporation of biopolymers is necessary to facilitate the process and stabilize the product, no significant differences have been found between the different formulations tested, although it seems that their combination favours some of the properties of the powder, such as solubility, hygroscopicity, wetting time and dispersibility.
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Affiliation(s)
- Luis A Egas-Astudillo
- María del Mar Camacho, Food Technology Department, Food Investigation and Innovation Group, Universitat Politècnica de València, Camino de Vera Valencia, Spain
| | - Nuria Martínez-Navarrete
- María del Mar Camacho, Food Technology Department, Food Investigation and Innovation Group, Universitat Politècnica de València, Camino de Vera Valencia, Spain
| | - María Del Mar Camacho
- María del Mar Camacho, Food Technology Department, Food Investigation and Innovation Group, Universitat Politècnica de València, Camino de Vera Valencia, Spain
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Sapmaz C, Firat T, Kukner A, Bozcaarmutlu A. Modulation of xenobiotic metabolizing enzyme activities in rat liver by co-administration of morin, endosulfan, and 7,12-dimethylbenz[a]anthracene. Drug Chem Toxicol 2018; 43:13-21. [PMID: 29772942 DOI: 10.1080/01480545.2018.1471089] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Morin is a flavonoid which is present in many plants. Endosulfan and 7,12-dimethylbenz[a]anthracene (DMBA) are toxic chemicals that humans are exposed to in their daily lives. In this study, the protective role of morin was investigated in endosulfan and DMBA treated rats. Eight groups, each comprising seven 2.5-month-old adult male Wistar rats (weighing 170-255 g), were used. Endosulfan, morin, and DMBA were administered individually or in combinations, at 5 mg/kg body weight (bw) (three times/week), 25 mg/kg bw (three times/week), and 30 mg/kg bw (once/week for three weeks) via oral gavage, respectively. On day 54 of the administration period, the rats were killed. DMBA + endosulfan co-administration significantly increased CYP1A1-, CYP1A2-, CYP2E-, and GST-associated activities in the rats compared to the control. DMBA + endosulfan + morin significantly increased CYP1A1, CYP1A2, CYP3A, and GST associated activities in the rats relative to the control. Histopathological studies were performed to investigate protective effects of morin on liver damage. The results indicated that DMBA + endosulfan treatment induced liver damage, and morin reduced this damage. These findings suggest that CYP1A, CYP3A, and GST enzyme activities participate in the protective mechanism of morin against endosulfan and DMBA induced toxicity.
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Affiliation(s)
- Canan Sapmaz
- Faculty of Arts and Science, Department of Chemistry, Abant Izzet Baysal University, Bolu, Turkey
| | - Tulin Firat
- Faculty of Medicine, Department of Histology and Embryology, Abant Izzet Baysal University, Bolu, Turkey
| | - Aysel Kukner
- Faculty of Medicine, Department of Histology and Embryology, Abant Izzet Baysal University, Bolu, Turkey
| | - Azra Bozcaarmutlu
- Faculty of Arts and Science, Department of Chemistry, Abant Izzet Baysal University, Bolu, Turkey
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Zargar S, Al-Majed ARA, Wani TA. Potentiating and synergistic effect of grapefruit juice on the antioxidant and anti-inflammatory activity of aripiprazole against hydrogen peroxide induced oxidative stress in mice. BMC COMPLEMENTARY AND ALTERNATIVE MEDICINE 2018; 18:106. [PMID: 29566693 PMCID: PMC5865358 DOI: 10.1186/s12906-018-2169-x] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/10/2017] [Accepted: 03/15/2018] [Indexed: 12/21/2022]
Abstract
BACKGROUND Dependence on antipsycotic drugs like aripriprazole (ARI) is increasing at alarming rate, hence, this study was undertaken to support the hypothesis that supplementation of Citrus paradisi (Grapefruit) juice having high concentration of polyphenols might potentiate and synergize the therapeutic effect of ARI, by increasing its bioavailability and inherent antioxidant potential. These benefits together might decrease the daily dosage of the ARI and thus alleviate the possible side effects of drug. METHODS In this study the antioxidant and anti-inflammatory potential of ARI alone and in combination with GFJ was evaluated for hydrogen peroxide (H2O2) induced oxidative stress in mice. Seventy mice (4 weeks old), were randomly divided into seven groups. Group I: Control; Group II: H2O2 treated; Group III; ARI treated; Group IV GFJ treated; Group V: GFJ and H2O2 treated; Group VI; ARI and H2O2 treated; Group VII; ARI, GFJ and H2O2 treated. Serum levels of alanine aminotransferase (ALT), blood urea nitrogen (BUN), creatinine kinase (CK), creatinine and total protein were measured. Furthermore, pro-inflammatory cytokines Interleukin (IL)-1α, IL-2, IL-10 and tumor necrosis factor-α (TNF-α) concentrations were also measured. RESULTS The mice group that was treated with ARI, GFJ or combination of the two showed significant improvement in the H2O2 altered parameters with the combination group showing more significant improvement than the ARI and GFJ alone groups indicating a synergistic and potentiating effect of the antioxidant and anti-inflammatory potential of GFJ on ARI. CONCLUSION Supplementing GFJ to ARI might increase an anti-oxidative potential of ARI due to inherent antioxidant and anti-inflammatory activity of GFJ and thus could alleviate the possible dosage dependent side effects of ARI.
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Cristóbal-Luna JM, Álvarez-González I, Madrigal-Bujaidar E, Chamorro-Cevallos G. Grapefruit and its biomedical, antigenotoxic and chemopreventive properties. Food Chem Toxicol 2017; 112:224-234. [PMID: 29284137 DOI: 10.1016/j.fct.2017.12.038] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 11/30/2017] [Accepted: 12/19/2017] [Indexed: 11/18/2022]
Abstract
Grapefruit (Citrus paradisi Mcfad) is a perenifolium tree 5-6 m high with a fruit of about 15 cm in diameter, protected by the peel we can find about 11-14 segments (carpels), each of which is surrounded by a membrane and each containing the juice sacs, as well as the seeds. The fruit is made up of numerous compounds, and is known to have nutritive value because of the presence of various vitamins and minerals, among other chemicals. The fruit is also used in the field of gastronomy. Information has been accumulated regarding the participation of the fruit structures in a variety of biomedical, antigenotoxic and chemopreventive effects, surely related with the presence of the numerous chemicals that have been determined to constitute the fruit. Such studies have been carried out in different in vitro and in vivo experimental models, and in a few human assays. The information published so far has shown interesting results, therefore, the aims of the present review are to initially examine the main characteristics of the fruit, followed by systematization of the acquired knowledge concerning the biomedical, antigenotoxic and chemopreventive effects produced by the three main structures of the fruit: peel, seed, and pulp.
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Affiliation(s)
- José Melesio Cristóbal-Luna
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Av. Wilfrido Massieu, Col. Zacatenco, Del. Gustavo A. Madero, Ciudad de México 07738, Mexico; Laboratorio de Toxicología Preclínica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Av. Wilfrido Massieu, Col. Zacatenco, Del. Gustavo A. Madero, Ciudad de México 07738, Mexico
| | - Isela Álvarez-González
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Av. Wilfrido Massieu, Col. Zacatenco, Del. Gustavo A. Madero, Ciudad de México 07738, Mexico
| | - Eduardo Madrigal-Bujaidar
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Av. Wilfrido Massieu, Col. Zacatenco, Del. Gustavo A. Madero, Ciudad de México 07738, Mexico.
| | - Germán Chamorro-Cevallos
- Laboratorio de Toxicología Preclínica, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Av. Wilfrido Massieu, Col. Zacatenco, Del. Gustavo A. Madero, Ciudad de México 07738, Mexico
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12
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Barnwal P, Vafa A, Afzal SM, Shahid A, Hasan SK, Alpashree, Sultana S. Benzo(a)pyrene induces lung toxicity and inflammation in mice: prevention by carvacrol. Hum Exp Toxicol 2017; 37:752-761. [DOI: 10.1177/0960327117735572] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
Benzo(a)pyrene (B(a)P) is an environmental pollutant which causes various lung toxicities. The present study was designed to evaluate the protective effects of carvacrol, a monoterpenic phenol against B(a)P-induced lung toxicity. In this study, Swiss albino mice were pretreated with carvacrol (25 mg/kg and 50 mg/kg) orally for 7 consecutive days before administering oral B(a)P (125 mg/kg). Preventive efficacy of carvacrol was assessed in terms of membrane oxidation, antioxidant enzyme activities, histopathological changes, and inflammatory (iNOS, NF-κB, and COX-2) markers. Carvacrol pretreatment in the two doses restored B(a)P-induced lipid peroxidation and increased the activities of antioxidant enzymes. Protein expressions of iNOS, NF-κB, and COX-2 in the lung tissue were found to be upregulated by B(a)P. Carvacrol treatment, however, downregulated their expressions by decreasing the marker of positive stained cells and restored the histopathological architecture of lung tissue. Our results suggest that carvacrol can be used as a protective agent against B(a)P-induced lung toxicity and inflammation.
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Affiliation(s)
- P Barnwal
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), New Delhi, India
| | - A Vafa
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), New Delhi, India
| | - SM Afzal
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), New Delhi, India
| | - A Shahid
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), New Delhi, India
| | - SK Hasan
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), New Delhi, India
| | - Alpashree
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), New Delhi, India
| | - S Sultana
- Section of Molecular Carcinogenesis and Chemoprevention, Department of Medical Elementology and Toxicology, Faculty of Science, Jamia Hamdard (Hamdard University), New Delhi, India
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Martínez-Pérez EF, Hernández-Terán F, Serrano-Gallardo LB. IN VIVO EFFECT OF RUTA CHALEPENSIS EXTRACT ON HEPATIC CYTOCHROME 3A1 IN RATS. AFRICAN JOURNAL OF TRADITIONAL, COMPLEMENTARY, AND ALTERNATIVE MEDICINES : AJTCAM 2017. [PMID: 28638868 PMCID: PMC5471483 DOI: 10.21010/ajtcam.v14i4.8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Background: Since the time when drugs began to be used, it became evident that they could produce a therapeutic effect, but also a clinical condition of toxicity or no effect at all on humans, despite using the same doses in different patients. Such untoward effects were termed “drug idiosyncrasy” and also “idiosyncratic drug effects”, but the factors producing such diverse responses were never taken into account. Materials and Methods: Ruta chalepensis L. (fringed rue) is an herbaceous plant of the Rutaceae family used in traditional medicine due to its properties, such as its analgesic and antipyretic effects. This study used 25 male rats divided into five groups. Plant extract was administered to Groups 1 and 2 at doses of 100 and 30 mg/kg/day, respectively, for three days; Group 3 was administered 100 mg/kg/day of dexamethasone (DEX), as well as 100 mg/kg/day of Ruta chalepensis extract; Group 4 was administered 100 mg/kg/day of DEX and treated as positive control; Group 5 was treated as negative control and was administered a physiological solution. Twenty-four hours after the the last dose, the animals were sacrificed and their livers were extracted. Results: The aqueous extract of Ruta chalepensis, intraperitoneally administered, was able to induce cytochrome 3A1 in doses of 30 mg/kg/day, and a greater inducing effect occurs when the plant is co-administered in doses of 100 mg/kg/day with dexamethasone. Conclusion: This study suggests that aqueous extract of Ruta chalepensis can induce cytochrome 3a1. This study helps provide a better understanding of CYP3a regulation. Future in vitro work is needed to determine the compounds that produce the cytochrome modulation.
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Affiliation(s)
- Edith Fabiola Martínez-Pérez
- Centro de Investigación Biomédicas (CIBM), Universidad Autónoma de Coahuila, Facultad de Medicina, Torreón, Coahuila, México
| | | | - Luis Benjamín Serrano-Gallardo
- Centro de Investigación Biomédicas (CIBM), Universidad Autónoma de Coahuila, Facultad de Medicina, Torreón, Coahuila, México
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Sridhar J, Goyal N, Liu J, Foroozesh M. Review of Ligand Specificity Factors for CYP1A Subfamily Enzymes from Molecular Modeling Studies Reported to-Date. Molecules 2017; 22:molecules22071143. [PMID: 28698457 PMCID: PMC6152251 DOI: 10.3390/molecules22071143] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2017] [Revised: 07/01/2017] [Accepted: 07/03/2017] [Indexed: 02/03/2023] Open
Abstract
The cytochrome P450 (CYP) family 1A enzymes, CYP1A1 and CYP1A2, are two of the most important enzymes implicated in the metabolism of endogenous and exogenous compounds through oxidation. These enzymes are also known to metabolize environmental procarcinogens into carcinogenic species, leading to the advent of several types of cancer. The development of selective inhibitors for these P450 enzymes, mitigating procarcinogenic oxidative effects, has been the focus of many studies in recent years. CYP1A1 is mainly found in extrahepatic tissues while CYP1A2 is the major CYP enzyme in human liver. Many molecules have been found to be metabolized by both of these enzymes, with varying rates and/or positions of oxidation. A complete understanding of the factors that govern the specificity and potency for the two CYP 1A enzymes is critical to the development of effective inhibitors. Computational molecular modeling tools have been used by several research groups to decipher the specificity and potency factors of the CYP1A1 and CYP1A2 substrates. In this review, we perform a thorough analysis of the computational studies that are ligand-based and protein-ligand complex-based to catalog the various factors that govern the specificity/potency toward these two enzymes.
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Affiliation(s)
- Jayalakshmi Sridhar
- Department of Chemistry, Xavier University of Louisiana, 1 Drexel Dr., New Orleans, LA 70125, USA.
| | - Navneet Goyal
- Department of Chemistry, Xavier University of Louisiana, 1 Drexel Dr., New Orleans, LA 70125, USA.
| | - Jiawang Liu
- Department of Chemistry, Xavier University of Louisiana, 1 Drexel Dr., New Orleans, LA 70125, USA.
| | - Maryam Foroozesh
- Department of Chemistry, Xavier University of Louisiana, 1 Drexel Dr., New Orleans, LA 70125, USA.
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15
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Kumar M, Singh G, Bhardwaj P, Dhatwalia SK, Dhawan DK. Understanding the role of 3-O-Acetyl-11-keto-β-boswellic acid in conditions of oxidative-stress mediated hepatic dysfunction during benzo(a)pyrene induced toxicity. Food Chem Toxicol 2017; 109:871-878. [PMID: 28363852 DOI: 10.1016/j.fct.2017.03.058] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Revised: 03/23/2017] [Accepted: 03/27/2017] [Indexed: 01/14/2023]
Abstract
The present study was planned to see whether 3-O-Acetyl-11- keto-β-boswellic acid has any protective effects against benzo(a)pyrene (BaP) induced toxicity or not. In vitro studies show concentration dependent linear association of radical scavenging activity of AK which is comparable to ascorbic acid taken as reference compound. For in vivo studies, the animals were divided randomly into five groups which included a) normal control, b) vehicle treated (olive oil), c) BaP treated, d) AK treated and e) AK + BaP (combined treated). BaP was administered at a dose of 50mg/kg in olive oil twice a week orally for 4 weeks and AK (50mg/kg) was given in olive oil thrice a week for 4 weeks before and after BaP exposure. BaP treated animals showed a significant increase (p < 0.001) in lipid peroxidation (LPO) and protein carbonyl contents (PCC) in hepatic tissue. Further, a significant increase (p < 0.001) in the liver marker enzymes as well as citrulline and nitric oxide levels in the hepatic tissue was also observed. Interestingly, AK when supplemented to BaP treated animals ameliorated the above said biochemical indices appreciately. The histopathological observations also showed appreciable improvement when BaP treated animals were supplemented with AK, thus emphasing the protective potential of AK.
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Affiliation(s)
- Manoj Kumar
- Department of Biophysics, Panjab University Chandigarh, India
| | - Gurpreet Singh
- Department of Biophysics, Panjab University Chandigarh, India
| | - Priti Bhardwaj
- Department of Biophysics, Panjab University Chandigarh, India
| | | | - D K Dhawan
- Department of Biophysics, Panjab University Chandigarh, India.
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16
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Izquierdo-Vega JA, Morales-González JA, SánchezGutiérrez M, Betanzos-Cabrera G, Sosa-Delgado SM, Sumaya-Martínez MT, Morales-González Á, Paniagua-Pérez R, Madrigal-Bujaidar E, Madrigal-Santillán E. Evidence of Some Natural Products with Antigenotoxic Effects. Part 1: Fruits and Polysaccharides. Nutrients 2017; 9:nu9020102. [PMID: 28157162 PMCID: PMC5331533 DOI: 10.3390/nu9020102] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2016] [Accepted: 01/19/2017] [Indexed: 02/07/2023] Open
Abstract
Cancer is one of the leading causes of deaths worldwide. The agents capable of causing damage to genetic material are known as genotoxins and, according to their mode of action, are classified into mutagens, carcinogens or teratogens. Genotoxins are involved in the pathogenesis of several chronic degenerative diseases including hepatic, neurodegenerative and cardiovascular disorders, diabetes, arthritis, cancer, chronic inflammation and ageing. In recent decades, researchers have found novel bioactive phytocompounds able to counteract the effects of physical and chemical mutagens. Several studies have shown potential antigenotoxicity in a variety of fruits. In this review (Part 1), we present an overview of research conducted on some fruits (grapefruit, cranberries, pomegranate, guava, pineapple, and mango) which are frequentl consumed by humans, as well as the analysis of some phytochemicals extracted from fruits and yeasts which have demonstrated antigenotoxic capacity in various tests, including the Ames assay, sister chromatid exchange, chromosomal aberrations, micronucleus and comet assay.
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Affiliation(s)
- Jeannett Alejandra Izquierdo-Vega
- Instituto de Ciencias de la Salud, Universidad Autónoma del Estado de Hidalgo, Ex-Hacienda de la Concepción, Tilcuautla, Pachuca de Soto 42080, Hidalgo, México.
| | - José Antonio Morales-González
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Unidad Casco de Santo Tomas, Plan de San Luis y Díaz Mirón s/n, México D.F. 11340, México.
| | - Manuel SánchezGutiérrez
- Instituto de Ciencias de la Salud, Universidad Autónoma del Estado de Hidalgo, Ex-Hacienda de la Concepción, Tilcuautla, Pachuca de Soto 42080, Hidalgo, México.
| | - Gabriel Betanzos-Cabrera
- Instituto de Ciencias de la Salud, Universidad Autónoma del Estado de Hidalgo, Ex-Hacienda de la Concepción, Tilcuautla, Pachuca de Soto 42080, Hidalgo, México.
| | - Sara M Sosa-Delgado
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Unidad Casco de Santo Tomas, Plan de San Luis y Díaz Mirón s/n, México D.F. 11340, México.
| | - María Teresa Sumaya-Martínez
- Secretaría de Investigación y Estudios de Posgrado, Universidad Autónoma de Nayarit, Ciudad de la Cultura Amado Nervo. Boulevard Tepic-Xalisco s/n, Tepic 28000, Nayarit, México.
| | - Ángel Morales-González
- Escuela Superior de Cómputo, Instituto Politécnico Nacional, Unidad A. López Mateos, Av. Juan de Dios Bátiz. Col., Lindavista, México D.F. 07738, Mexico.
| | - Rogelio Paniagua-Pérez
- Laboratorio de Bioquímica Muscular, Instituto Nacional de Rehabilitación, Av. México-Xochimilco. Col., Arenal de Guadalupe, México D.F. 14389, México.
| | - Eduardo Madrigal-Bujaidar
- Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Ciudad de México, Unidad A. López-Mateos, Av. Wilfrido Massieu s/n, Lindavista, México D.F. 07738, México.
| | - Eduardo Madrigal-Santillán
- Escuela Superior de Medicina, Instituto Politécnico Nacional, Unidad Casco de Santo Tomas, Plan de San Luis y Díaz Mirón s/n, México D.F. 11340, México.
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Shahid A, Ali R, Ali N, Hasan SK, Bernwal P, Afzal SM, Vafa A, Sultana S. Modulatory effects of catechin hydrate against genotoxicity, oxidative stress, inflammation and apoptosis induced by benzo(a)pyrene in mice. Food Chem Toxicol 2016; 92:64-74. [DOI: 10.1016/j.fct.2016.03.021] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 03/24/2016] [Accepted: 03/24/2016] [Indexed: 01/16/2023]
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18
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Shahid A, Ali R, Ali N, Hasan SK, Rashid S, Majed F, Sultana S. Attenuation of genotoxicity, oxidative stress, apoptosis and inflammation by rutin in benzo(a)pyrene exposed lungs of mice: plausible role of NF-κB, TNF-α and Bcl-2. JOURNAL OF COMPLEMENTARY & INTEGRATIVE MEDICINE 2016; 13:17-29. [PMID: 26829483 DOI: 10.1515/jcim-2015-0078] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2015] [Accepted: 10/29/2015] [Indexed: 05/26/2023]
Abstract
BACKGROUND Benzo(a)pyrene [B(a)P] is an environmental contaminant and potential carcinogenic agent that causes lung injuries which leads to lung cancer. Rutin, a well-known flavonoid present in various natural sources, possesses biological activities such as anti-oxidative and anti-inflammatory properties. The aim of this study was to evaluate the protective effects of rutin against B(a)P-induced genotoxicity, oxidative stress, apoptosis and inflammation in Swiss albino mice. METHODS Pretreatment of rutin was given by oral gavage at doses of 40 and 80 mg/kg body weight (b.wt.) for 7 days before the administration of a single oral dose of B(a)P (125 mg/kg b.wt.). The ameliorative effect of rutin on oxidative stress, apoptotic and inflammatory markers in lung tissues and genotoxicity was studied using an alkaline unwinding assay and DNA fragmentation. RESULTS B(a)P enhanced lipid peroxidation, xanthine oxidase, H2O2 generation and lactate dehydrogenase (LDH) activity; depleted activities of anti-oxidant enzymes and glutathione content; induced DNA strand breaks and fragmentation; disrupted normal histopathological architecture and also showed abnormal expression of NF-κB, COX-2, IL-6, TNF-α and Bcl-2. Rutin pretreatment caused a significant reduction in lipid peroxidation and LDH activity; increased glutathione content; restored antioxidant enzyme activity; reduced DNA strand breaks and fragmentation; modulated the expression of inflammatory, and apoptotic markers and restored the histopathological structure. CONCLUSIONS The findings of the present study supported the protective effect of rutin against B(a)P-induced lung toxicity and genotoxicity.
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Álvarez-González I, Madrigal-Bujaidar E, Castro-García S. Antigenotoxic capacity of beta-caryophyllene in mouse, and evaluation of its antioxidant and GST induction activities. J Toxicol Sci 2014; 39:849-59. [DOI: 10.2131/jts.39.849] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Affiliation(s)
- Isela Álvarez-González
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, México
| | - Eduardo Madrigal-Bujaidar
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, México
| | - Seydi Castro-García
- Laboratorio de Genética, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, México
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Madrigal-Bujaidar E, Roaro LM, Garcia-Aguirre K, Garcia-Medina S, Alvarez-Gonzalez I. Grapefruit Juice Suppresses Azoxymethane-induced Colon Aberrant Crypt Formation and Induces Antioxidant Capacity in Mice. Asian Pac J Cancer Prev 2013; 14:6851-6. [DOI: 10.7314/apjcp.2013.14.11.6851] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
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Combined effects of curcumin and piperine in ameliorating benzo(a)pyrene induced DNA damage. Food Chem Toxicol 2011; 49:3002-6. [DOI: 10.1016/j.fct.2011.07.058] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2011] [Revised: 07/22/2011] [Accepted: 07/26/2011] [Indexed: 11/23/2022]
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22
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Razo-Aguilera G, Baez-Reyes R, Alvarez-González I, Paniagua-Pérez R, Madrigal-Bujaidar E. Inhibitory effect of grapefruit juice on the genotoxicity induced by hydrogen peroxide in human lymphocytes. Food Chem Toxicol 2011; 49:2947-53. [PMID: 21777646 DOI: 10.1016/j.fct.2011.07.003] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2011] [Revised: 07/04/2011] [Accepted: 07/06/2011] [Indexed: 10/18/2022]
Abstract
By means of the comet assay we demonstrated a strong effect by hydrogen peroxide (HP) and no damage by grapefruit juice (GJ) in human lymphocytes. Cells exposed to HP and treated with three concentrations of GJ (10-90 min) showed an increase of DNA damage by HP over the control level, and a decrease of such damage by GJ. With the comet assay plus formamidopyrimidine-DNA-glycosylase we found the strongest increase of DNA damage by HP over the control level, and the strongest reduction of such damage by GJ. By applying the comet/FISH method we determined 98% of the p53 gene signals in the comet head of control cells along the experiment (10-90 min), in contrast with about 90% signals in the comet tail of cells exposed to HP. Cells treated with both agents showed a significant, concentration/time dependent return of p53 signals to the head, suggesting enhancement of the gene repair. Finally, with the annexin V assay we found an increase in apoptosis and necrosis by HP, and no effect by GJ; when GJ was added to HP treated cells no modification was observed in regard to apoptosis, although a decrease of necrosis was observed.
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Affiliation(s)
- G Razo-Aguilera
- Instituto Nacional de Perinatología, SSA, Montes Urales 800, Lomas Virreyes, 11000 México DF, Mexico
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