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Pang WK, Kuznetsova E, Holota H, De Haze A, Beaudoin C, Volle DH. Understanding the role of endocrine disrupting chemicals in testicular germ cell cancer: Insights into molecular mechanisms. Mol Aspects Med 2024; 99:101307. [PMID: 39213722 DOI: 10.1016/j.mam.2024.101307] [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: 04/28/2024] [Revised: 07/14/2024] [Accepted: 08/17/2024] [Indexed: 09/04/2024]
Abstract
This comprehensive review examines the complex interplay between endocrine disrupting chemicals (EDCs) and the development of testicular germ cell tumors (TGCTs). Despite the high cure rates of TGCTs, challenges in diagnosis and treatment remain, necessitating a deeper understanding of the etiology of the disease. Here, we emphasize current knowledge on the role of EDCs as potential risk factors for TGCTs, focusing on pesticides and perfluorinated and polyfluoroalkyl substances (PFAs/PFCs). Evidence suggests that EDCs disrupt endocrine pathways and induce epigenetic changes that contribute to the development of TGCTs. However, the direct link between EDCs and TGCTs remains elusive and requires further investigation of the molecular mechanisms. We also highlighted the importance of studying nuclear receptors as potential targets for understanding TGCT etiology. In addition, recent evidence implicates PFAs/PFCs in TGCT incidence, highlighting the need for further research into their impact on human health. Overall, this review provides valuable insights into the potential role of EDCs in TGCT development and suggests avenues for future research, while also highlighting how understanding their influence may pave the way for novel therapeutic approaches to improve disease management.
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Affiliation(s)
- Won-Ki Pang
- INSERM U1103, Université Clermont Auvergne, CNRS UMR-6293, GReD Institute, Team-Volle, F-63001, Clermont-Ferrand, France.
| | - Ekaterina Kuznetsova
- INSERM U1103, Université Clermont Auvergne, CNRS UMR-6293, GReD Institute, Team-Volle, F-63001, Clermont-Ferrand, France
| | - Hélène Holota
- INSERM U1103, Université Clermont Auvergne, CNRS UMR-6293, GReD Institute, Team-Volle, F-63001, Clermont-Ferrand, France
| | - Angélique De Haze
- INSERM U1103, Université Clermont Auvergne, CNRS UMR-6293, GReD Institute, Team-Volle, F-63001, Clermont-Ferrand, France
| | - Claude Beaudoin
- INSERM U1103, Université Clermont Auvergne, CNRS UMR-6293, GReD Institute, Team-Volle, F-63001, Clermont-Ferrand, France
| | - David H Volle
- INSERM U1103, Université Clermont Auvergne, CNRS UMR-6293, GReD Institute, Team-Volle, F-63001, Clermont-Ferrand, France.
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2
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Koh YC, Pan MH. Food-Borne Polycyclic Aromatic Hydrocarbons and Circadian Disruption. ACS OMEGA 2024; 9:31298-31312. [PMID: 39072055 PMCID: PMC11270680 DOI: 10.1021/acsomega.4c04120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/19/2024] [Accepted: 06/26/2024] [Indexed: 07/30/2024]
Abstract
Circadian disruption has been found to increase the risk of metabolic diseases, brain disorders, and cancer. The aryl hydrocarbon receptor (AhR), responsible for xenobiotic metabolism, is known to be activated by certain environmental stimuli, including polycyclic aromatic hydrocarbons (PAHs). Exposure to these stimuli may lead to diseases related to circadian disruption, with AhR activation suggested as a leading cause. Both the aryl hydrocarbon receptor nuclear translocator (ARNT) and aryl hydrocarbon receptor nuclear translocator-like (BMAL1) are class II basic helix-loop-helix/Per-ARNT-SIM (bHLH-PAS) proteins. These proteins form heterodimers with stimulated class I bHLH-PAS proteins, including circadian locomotor output cycles kaput (CLOCK) and AhR. Due to their sequential similarity, the overactivation of AhR by toxicants, such as PAHs, may lead to the formation of heterodimers with BMAL1, potentially causing circadian disruption. Dysregulation of BMAL1 can affect a wide range of metabolic genes, emphasizing its crucial roles. However, this issue has not been adequately addressed. Previous studies have reported that the inhibitory effects of phytochemicals on AhR activation can ameliorate diseases induced by environmental toxicants. Additionally, some phytochemicals have shown preventive effects on circadian misalignment. Therefore, this Review aims to explore potential strategies to prevent circadian disruption induced by food-borne toxicants, such as benzo[a]pyrene; to generate new ideas for future studies; and to highlight the importance of investigating these preventive strategies.
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Affiliation(s)
- Yen-Chun Koh
- Institute
of Food Science and Technology, National
Taiwan University, Taipei 106017, Taiwan
| | - Min-Hsiung Pan
- Institute
of Food Science and Technology, National
Taiwan University, Taipei 106017, Taiwan
- Department
of Medical Research, China Medical University Hospital, China Medical University, Taichung City 404327, Taiwan
- Department
of Health and Nutrition Biotechnology, Asia
University, Taichung City 413305, Taiwan
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3
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Sahu RK, Tandon S, Singh S, Das BC, Hedau ST. Methyl CpG binding protein MBD2 has a regulatory role on the BRCA1 gene expression and its modulation by resveratrol in ER+, PR+ & triple-negative breast cancer cells. BMC Cancer 2024; 24:566. [PMID: 38711004 PMCID: PMC11071212 DOI: 10.1186/s12885-024-12274-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2023] [Accepted: 04/16/2024] [Indexed: 05/08/2024] Open
Abstract
BACKGROUND Resveratrol has demonstrated its ability to regulate BRCA1 gene expression in breast cancer cells, and previous studies have established the binding of MBD proteins to BRCA1 gene promoter regions. However, the molecular mechanism underlying these interactions remains to be elucidated. The aimed to evaluate the impact of MBD proteins on the regulation of BRCA1, BRCA2, and p16 genes and their consequential effects on breast cancer cells. METHODS Efficacy of resveratrol was assessed using the MTT assay. Binding interactions were investigated through EMSA, ChIP, & MeIP assay. Expression analyses of MBD genes and proteins were conducted using qRT-PCR and western blotting, respectively. Functional assays, including clonogenic, migratory, and sphere formation assays were used to assess cancer cells' colony-forming, metastatic, and tumor-forming abilities. The cytotoxicity of resveratrol on cancer cells was also tested using an apoptosis assay. RESULTS The study determined an IC50 of 30µM for resveratrol. MBD proteins were found to bind to the BRCA1 gene promoter. Resveratrol exhibited regulatory effects on MBD gene expression, subsequently impacting BRCA1 gene expression and protein levels. Higher concentrations of resveratrol resulted in reduced colony and sphere formation, decreases migration of cancer cells, and an increases number of apoptotic cells in breast cancer cells. Impact Identification of MBD2-BRCA1 axis indicates their significant role in the induction of apoptosis and reduction of metastasis and proliferation in breast cancer cells. Further therapy can be designed to target these MBD proteins and resveratrol could be used along with other anticancer drugs to target breast cancer. CONCLUSIONS In conclusion MBD2 protein interact to the BRCA1 gene promoter, and resveratrol modulates MBD2 gene expression, which in turn regulates BRCA1 gene expression, and inhibits cell proliferation, migration, and induces apoptosis in ER+, PR+ & Triple negative breast cancer cells.
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Affiliation(s)
- Ram Krishna Sahu
- Division of Molecular Oncology, ICMR-National Institute of Cancer Prevention and Research, I -7, Sector - 39, Noida, Uttar Pradesh, 201301, India
- Amity Institute of Molecular Medicine & Stem Cell Research, Amity University, Noida, Uttar Pradesh, 201313, India
| | | | - Shalini Singh
- Division of Clinical Oncology, ICMR-National Institute of Cancer Prevention and Research, I -7, Sector - 39, Noida, Uttar Pradesh, 201301, India
| | - Bhudev Chandra Das
- Amity Institute of Molecular Medicine & Stem Cell Research, Amity University, Noida, Uttar Pradesh, 201313, India
| | - Suresh T Hedau
- Division of Molecular Oncology, ICMR-National Institute of Cancer Prevention and Research, I -7, Sector - 39, Noida, Uttar Pradesh, 201301, India.
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4
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Zhang S, Kiarasi F. Therapeutic effects of resveratrol on epigenetic mechanisms in age-related diseases: A comprehensive review. Phytother Res 2024; 38:2347-2360. [PMID: 38421057 DOI: 10.1002/ptr.8176] [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: 11/21/2023] [Revised: 01/28/2024] [Accepted: 02/10/2024] [Indexed: 03/02/2024]
Abstract
Recently, various studies have shown that epigenetic changes are associated with aging and age-related diseases. Both animal and human models have revealed that epigenetic processes are involved in aging mechanisms. These processes happen at multiple levels and include histone modification, DNA methylation, and changes in noncoding RNA expression. Consequently, changes in the organization of chromatin and DNA accessibility lead to the regulation of gene expression. With increasing awareness of the pivotal function of epigenetics in the aging process, researchers' attention has been drawn to how these epigenetic changes can be modified to prevent, stop, or reverse aging, senescence, and age-related diseases. Among various agents that can affect epigenetic, polyphenols are well-known phytochemicals found in fruits, vegetables, and plants. Polyphenols are found to modify epigenetic-related mechanisms in various diseases and conditions, such as metabolic disorders, obesity, neurodegenerative diseases, cancer, and cardiovascular diseases. Resveratrol (RSV) is a member of the stilbene subgroup of polyphenols which is derived from various plants, such as grapes, apples, and blueberries. Therefore, herein, we aim to summarize how RSV affects different epigenetic processes to change aging-related mechanisms. Furthermore, we discuss its roles in age-related diseases, such as Alzheimer's, Parkinson's, osteoporosis, and cardiovascular diseases.
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Affiliation(s)
| | - Farzam Kiarasi
- Department of Medical Nanotechnology, Applied Biophotonics Research Center, Science and Research Branch, Islamic Azad University, Tehran, Iran
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5
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Aanniz T, Bouyahya A, Balahbib A, El Kadri K, Khalid A, Makeen HA, Alhazmi HA, El Omari N, Zaid Y, Wong RSY, Yeo CI, Goh BH, Bakrim S. Natural bioactive compounds targeting DNA methyltransferase enzymes in cancer: Mechanisms insights and efficiencies. Chem Biol Interact 2024; 392:110907. [PMID: 38395253 DOI: 10.1016/j.cbi.2024.110907] [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: 11/16/2023] [Revised: 01/06/2024] [Accepted: 02/07/2024] [Indexed: 02/25/2024]
Abstract
The regulation of gene expression is fundamental to health and life and is essentially carried out at the promoter region of the DNA of each gene. Depending on the molecular context, this region may be accessible or non-accessible (possibility of integration of RNA polymerase or not at this region). Among enzymes that control this process, DNA methyltransferase enzymes (DNMTs), are responsible for DNA demethylation at the CpG islands, particularly at the promoter regions, to regulate transcription. The aberrant activity of these enzymes, i.e. their abnormal expression or activity, can result in the repression or overactivation of gene expression. Consequently, this can generate cellular dysregulation leading to instability and tumor development. Several reports highlighted the involvement of DNMTs in human cancers. The inhibition or activation of DNMTs is a promising therapeutic approach in many human cancers. In the present work, we provide a comprehensive and critical summary of natural bioactive molecules as primary inhibitors of DNMTs in human cancers. The active compounds hold the potential to be developed as anti-cancer epidrugs targeting DNMTs.
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Affiliation(s)
- Tarik Aanniz
- Medical Biotechnology Laboratory, Rabat Medical & Pharmacy School, Mohammed V University in Rabat, Rabat, B.P, 6203, Morocco.
| | - Abdelhakim Bouyahya
- Laboratory of Human Pathologies Biology, Faculty of Sciences, Mohammed V University in Rabat, Rabat, 10106, Morocco.
| | - Abdelaali Balahbib
- High Institute of Nursing Professions and Health Techniques of Errachidia, Errachidia, Morocco.
| | - Kawtar El Kadri
- High Institute of Nursing Professions and Health Techniques of Errachidia, Errachidia, Morocco
| | - Asaad Khalid
- Substance Abuse and Toxicology Research Center, Jazan University, P.O. Box: 114, Jazan, Saudi Arabia; Medicinal and Aromatic Plants Research Institute, National Center for Research, P.O. Box: 2424, Khartoum, 11111, Sudan.
| | - Hafiz A Makeen
- Pharmacy Practice Research Unit, Clinical Pharmacy Department, Faculty of Pharmacy, Jazan University, Jazan, Saudi Arabia.
| | - Hassan A Alhazmi
- Substance Abuse and Toxicology Research Center, Jazan University, P.O. Box: 114, Jazan, Saudi Arabia; Pharmacy Practice Research Unit, Clinical Pharmacy Department, Faculty of Pharmacy, Jazan University, Jazan, Saudi Arabia.
| | - Nasreddine El Omari
- High Institute of Nursing Professions and Health Techniques of Tetouan, Tetouan, Morocco.
| | - Younes Zaid
- Department of Biology, Faculty of Sciences, Mohammed V University in Rabat, Morocco.
| | - Rebecca Shin-Yee Wong
- Sunway Biofunctional Molecules Discovery Centre, School of Medical and Life Sciences, Sunway University Malaysia, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia; Department of Medical Education, School of Medical and Life Sciences, Sunway University Malaysia, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia.
| | - Chien Ing Yeo
- Sunway Biofunctional Molecules Discovery Centre, School of Medical and Life Sciences, Sunway University Malaysia, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia.
| | - Bey Hing Goh
- Sunway Biofunctional Molecules Discovery Centre, School of Medical and Life Sciences, Sunway University Malaysia, Bandar Sunway, 47500, Selangor Darul Ehsan, Malaysia; Biofunctional Molecule Exploratory Research Group, School of Pharmacy, Monash University Malaysia, Bandar Sunway, 47500, Malaysia; College of Pharmaceutical Sciences, Zhejiang University, 310058, Hangzhou, Zhejiang, China.
| | - Saad Bakrim
- Geo-Bio-Environment Engineering and Innovation Laboratory, Molecular Engineering, Biotechnology and Innovation Team, Polydisciplinary Faculty of Taroudant, Ibn Zohr University, Agadir, 80000, Morocco.
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Miret NV, Pontillo CA, Buján S, Chiappini FA, Randi AS. Mechanisms of breast cancer progression induced by environment-polluting aryl hydrocarbon receptor agonists. Biochem Pharmacol 2023; 216:115773. [PMID: 37659737 DOI: 10.1016/j.bcp.2023.115773] [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: 06/15/2023] [Revised: 08/23/2023] [Accepted: 08/30/2023] [Indexed: 09/04/2023]
Abstract
Breast cancer is the most common invasive malignancy among women worldwide and constitutes a complex and heterogeneous disease. Interest has recently grown in the role of the aryl hydrocarbon receptor (AhR) in breast cancer and the contribution of environment-polluting AhR agonists. Here, we present a literature review addressing AhR ligands, including pesticides hexachlorobenzene and chlorpyrifos, polycyclic aromatic hydrocarbons, polychlorinated dibenzo-p-dioxins and dibenzofurans, polychlorinated biphenyls, parabens, and phthalates. The objectives of this review are a) to summarize recent original experimental, preclinical, and clinical studies on the biological mechanisms of AhR agonists which interfere with the regulation of breast endocrine functions, and b) to examine the biological effects of AhR ligands and their impact on breast cancer development and progression. We discuss biological mechanisms of action in cell viability, cell cycle, proliferation, epigenetic changes, epithelial to mesenchymal transition, and cell migration and invasion. In addition, we examine the effects of AhR ligands on angiogenic processes, metastasis, chemoresistance, and stem cell renewal. We conclude that exposure to AhR agonists stimulates pathways that promote breast cancer development and may contribute to tumor progression. Given the massive use of industrial and agricultural chemicals, ongoing evaluation of their effects in laboratory assays and preclinical studies in breast cancer at environmentally relevant doses is deemed essential. Likewise, awareness should be raised in the population regarding the most harmful toxicants to eradicate or minimize their use.
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Affiliation(s)
- Noelia V Miret
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Laboratorio de Efectos Biológicos de Contaminantes Ambientales, Paraguay 2155, Piso 5, (CP 1121), Buenos Aires, Argentina; Universidad de Buenos Aires, Facultad de Farmacia y Bioquímica, Departamento de Físico-Matemática, Laboratorio de Radioisótopos, Junín 954, 1er subsuelo (CP1113), Buenos Aires, Argentina.
| | - Carolina A Pontillo
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Laboratorio de Efectos Biológicos de Contaminantes Ambientales, Paraguay 2155, Piso 5, (CP 1121), Buenos Aires, Argentina
| | - Sol Buján
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Laboratorio de Efectos Biológicos de Contaminantes Ambientales, Paraguay 2155, Piso 5, (CP 1121), Buenos Aires, Argentina
| | - Florencia A Chiappini
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Laboratorio de Efectos Biológicos de Contaminantes Ambientales, Paraguay 2155, Piso 5, (CP 1121), Buenos Aires, Argentina
| | - Andrea S Randi
- Universidad de Buenos Aires, Facultad de Medicina, Departamento de Bioquímica Humana, Laboratorio de Efectos Biológicos de Contaminantes Ambientales, Paraguay 2155, Piso 5, (CP 1121), Buenos Aires, Argentina.
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7
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Verma A, Tiwari H, Singh S, Gupta P, Rai N, Kumar Singh S, Singh BP, Rao S, Gautam V. Epigenetic manipulation for secondary metabolite activation in endophytic fungi: current progress and future directions. Mycology 2023; 14:275-291. [PMID: 38187885 PMCID: PMC10769123 DOI: 10.1080/21501203.2023.2241486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2023] [Accepted: 07/21/2023] [Indexed: 01/09/2024] Open
Abstract
Fungal endophytes have emerged as a promising source of secondary metabolites with significant potential for various applications in the field of biomedicine. The biosynthetic gene clusters of endophytic fungi are responsible for encoding several enzymes and transcriptional factors that are involved in the biosynthesis of secondary metabolites. The investigation of fungal metabolic potential at genetic level faces certain challenges, including the synthesis of appropriate amounts of chemicals, and loss of the ability of fungal endophytes to produce secondary metabolites in an artificial culture medium. Therefore, there is a need to delve deeper into the field of fungal genomics and transcriptomics to explore the potential of fungal endophytes in generating secondary metabolites governed by biosynthetic gene clusters. The silent biosynthetic gene clusters can be activated by modulating the chromatin structure using chemical compounds. Epigenetic modification plays a significant role by inducing cryptic gene responsible for the production of secondary metabolites using DNA methyl transferase and histone deacetylase. CRISPR-Cas9-based genome editing emerges an effective tool to enhance the production of desired metabolites by modulating gene expression. This review primarily focuses on the significance of epigenetic elicitors and their capacity to boost the production of secondary metabolites from endophytes. This article holds the potential to rejuvenate the drug discovery pipeline by introducing new chemical compounds.
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Affiliation(s)
- Ashish Verma
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Harshita Tiwari
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
- Department of Botany, Institute of Science, Banaras Hindu University, Varanasi, India
| | - Swati Singh
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Priyamvada Gupta
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Nilesh Rai
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Santosh Kumar Singh
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
| | - Bhim Pratap Singh
- Department of Agriculture & Environmental Sciences (AES), National Institute of Food Technology Entrepreneurship & Management (NIFTEM), Sonepat, India
| | - Sombir Rao
- Plant Breeding and Genetics Section, School of Integrative Plant Science, Cornell University, Ithaca, NY, USA
| | - Vibhav Gautam
- Centre of Experimental Medicine and Surgery, Institute of Medical Sciences, Banaras Hindu University, Varanasi, India
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8
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Neagu AN, Whitham D, Bruno P, Morrissiey H, Darie CA, Darie CC. Omics-Based Investigations of Breast Cancer. Molecules 2023; 28:4768. [PMID: 37375323 DOI: 10.3390/molecules28124768] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2023] [Revised: 06/08/2023] [Accepted: 06/12/2023] [Indexed: 06/29/2023] Open
Abstract
Breast cancer (BC) is characterized by an extensive genotypic and phenotypic heterogeneity. In-depth investigations into the molecular bases of BC phenotypes, carcinogenesis, progression, and metastasis are necessary for accurate diagnoses, prognoses, and therapy assessments in predictive, precision, and personalized oncology. This review discusses both classic as well as several novel omics fields that are involved or should be used in modern BC investigations, which may be integrated as a holistic term, onco-breastomics. Rapid and recent advances in molecular profiling strategies and analytical techniques based on high-throughput sequencing and mass spectrometry (MS) development have generated large-scale multi-omics datasets, mainly emerging from the three "big omics", based on the central dogma of molecular biology: genomics, transcriptomics, and proteomics. Metabolomics-based approaches also reflect the dynamic response of BC cells to genetic modifications. Interactomics promotes a holistic view in BC research by constructing and characterizing protein-protein interaction (PPI) networks that provide a novel hypothesis for the pathophysiological processes involved in BC progression and subtyping. The emergence of new omics- and epiomics-based multidimensional approaches provide opportunities to gain insights into BC heterogeneity and its underlying mechanisms. The three main epiomics fields (epigenomics, epitranscriptomics, and epiproteomics) are focused on the epigenetic DNA changes, RNAs modifications, and posttranslational modifications (PTMs) affecting protein functions for an in-depth understanding of cancer cell proliferation, migration, and invasion. Novel omics fields, such as epichaperomics or epimetabolomics, could investigate the modifications in the interactome induced by stressors and provide PPI changes, as well as in metabolites, as drivers of BC-causing phenotypes. Over the last years, several proteomics-derived omics, such as matrisomics, exosomics, secretomics, kinomics, phosphoproteomics, or immunomics, provided valuable data for a deep understanding of dysregulated pathways in BC cells and their tumor microenvironment (TME) or tumor immune microenvironment (TIMW). Most of these omics datasets are still assessed individually using distinct approches and do not generate the desired and expected global-integrative knowledge with applications in clinical diagnostics. However, several hyphenated omics approaches, such as proteo-genomics, proteo-transcriptomics, and phosphoproteomics-exosomics are useful for the identification of putative BC biomarkers and therapeutic targets. To develop non-invasive diagnostic tests and to discover new biomarkers for BC, classic and novel omics-based strategies allow for significant advances in blood/plasma-based omics. Salivaomics, urinomics, and milkomics appear as integrative omics that may develop a high potential for early and non-invasive diagnoses in BC. Thus, the analysis of the tumor circulome is considered a novel frontier in liquid biopsy. Omics-based investigations have applications in BC modeling, as well as accurate BC classification and subtype characterization. The future in omics-based investigations of BC may be also focused on multi-omics single-cell analyses.
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Affiliation(s)
- Anca-Narcisa Neagu
- Laboratory of Animal Histology, Faculty of Biology, "Alexandru Ioan Cuza" University of Iasi, Carol I Bvd, No. 20A, 700505 Iasi, Romania
| | - Danielle Whitham
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, NY 13699, USA
| | - Pathea Bruno
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, NY 13699, USA
| | - Hailey Morrissiey
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, NY 13699, USA
| | - Celeste A Darie
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, NY 13699, USA
| | - Costel C Darie
- Biochemistry & Proteomics Laboratories, Department of Chemistry and Biomolecular Science, Clarkson University, 8 Clarkson Avenue, Potsdam, NY 13699, USA
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9
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Therachiyil L, Hussein OJ, Uddin S, Korashy HM. Regulation of the aryl hydrocarbon receptor in cancer and cancer stem cells of gynecological malignancies: An update on signaling pathways. Semin Cancer Biol 2022; 86:1186-1202. [PMID: 36252938 DOI: 10.1016/j.semcancer.2022.10.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 10/04/2022] [Accepted: 10/12/2022] [Indexed: 01/27/2023]
Abstract
Gynecological malignancies are a female type of cancers that affects the reproductive system. Cancer metastasis or recurrence mediated by cellular invasiveness occurs at advanced stages of cancer progression. Cancer Stem Cells (CSCs) enrichment in tumors leads to chemoresistance, which results in cancer mortality. Exposure to environmental pollutants such as polycyclic aromatic hydrocarbons is associated with an increased the risk of CSC enrichment in gynecological cancers. One of the important pathways that mediates the metabolism and bioactivation of these environmental chemicals is the transcription factor, aryl hydrocarbon receptor (AhR). The present review explores the molecular mechanisms regulating the crosstalk and interaction of the AhR with cancer-related signaling pathways, such as apoptosis, epithelial-mesenchymal transition, immune checkpoints, and G-protein-coupled receptors in several gynecological malignancies such as ovarian, uterine, endometrial, and cervical cancers. The review also discusses the potential of targeting the AhR pathway as a novel chemotherapy for gynecological cancers.
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Affiliation(s)
- Lubna Therachiyil
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, Doha, Qatar; Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar.
| | - Ola J Hussein
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, Doha, Qatar.
| | - Shahab Uddin
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar; Dermatology Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar.
| | - Hesham M Korashy
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, Doha, Qatar.
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10
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Thakur C, Qiu Y, Fu Y, Bi Z, Zhang W, Ji H, Chen F. Epigenetics and environment in breast cancer: New paradigms for anti-cancer therapies. Front Oncol 2022; 12:971288. [PMID: 36185256 PMCID: PMC9520778 DOI: 10.3389/fonc.2022.971288] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 08/26/2022] [Indexed: 11/27/2022] Open
Abstract
Breast cancer remains the most frequently diagnosed cancer in women worldwide. Delayed presentation of the disease, late stage at diagnosis, limited therapeutic options, metastasis, and relapse are the major factors contributing to breast cancer mortality. The development and progression of breast cancer is a complex and multi-step process that incorporates an accumulation of several genetic and epigenetic alterations. External environmental factors and internal cellular microenvironmental cues influence the occurrence of these alterations that drives tumorigenesis. Here, we discuss state-of-the-art information on the epigenetics of breast cancer and how environmental risk factors orchestrate major epigenetic events, emphasizing the necessity for a multidisciplinary approach toward a better understanding of the gene-environment interactions implicated in breast cancer. Since epigenetic modifications are reversible and are susceptible to extrinsic and intrinsic stimuli, they offer potential avenues that can be targeted for designing robust breast cancer therapies.
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Affiliation(s)
- Chitra Thakur
- Department of Pathology, Stony Brook Cancer Center, Stony Brook, NY, United States
- Department of Pathology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States
| | - Yiran Qiu
- Department of Pathology, Stony Brook Cancer Center, Stony Brook, NY, United States
| | - Yao Fu
- Department of Pathology, Stony Brook Cancer Center, Stony Brook, NY, United States
| | - Zhuoyue Bi
- Department of Pathology, Stony Brook Cancer Center, Stony Brook, NY, United States
| | - Wenxuan Zhang
- Department of Pathology, Stony Brook Cancer Center, Stony Brook, NY, United States
| | - Haoyan Ji
- Department of Pathology, Stony Brook Cancer Center, Stony Brook, NY, United States
| | - Fei Chen
- Department of Pathology, Stony Brook Cancer Center, Stony Brook, NY, United States
- Department of Pathology, Renaissance School of Medicine, Stony Brook University, Stony Brook, NY, United States
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Dall’Asta M, Barbato M, Rocchetti G, Rossi F, Lucini L, Marsan PA, Colli L. Nutrigenomics: an underestimated contribution to the functional role of polyphenols. Curr Opin Food Sci 2022. [DOI: 10.1016/j.cofs.2022.100880] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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12
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Luteolin Causes 5'CpG Demethylation of the Promoters of TSGs and Modulates the Aberrant Histone Modifications, Restoring the Expression of TSGs in Human Cancer Cells. Int J Mol Sci 2022; 23:ijms23074067. [PMID: 35409426 PMCID: PMC8999529 DOI: 10.3390/ijms23074067] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 04/04/2022] [Accepted: 04/04/2022] [Indexed: 02/06/2023] Open
Abstract
Cancer progression is linked to abnormal epigenetic alterations such as DNA methylation and histone modifications. Since epigenetic alterations, unlike genetic changes, are heritable and reversible, they have been considered as interesting targets for cancer prevention and therapy by dietary compounds such as luteolin. In this study, epigenetic modulatory behaviour of luteolin was analysed on HeLa cells. Various assays including colony forming and migration assays, followed by biochemical assays of epigenetic enzymes including DNA methyltransferase, histone methyl transferase, histone acetyl transferase, and histone deacetylases assays were performed. Furthermore, global DNA methylation and methylation-specific PCR for examining the methylation status of CpG promoters of various tumour suppressor genes (TSGs) and the expression of these TSGs at transcript and protein level were performed. It was observed that luteolin inhibited migration and colony formation in HeLa cells. It also modulated DNA methylation at promoters of TSGs and the enzymatic activity of DNMT, HDAC, HMT, and HAT and reduced the global DNA methylation. Decrease in methylation resulted in the reactivation of silenced tumour suppressor genes including FHIT, DAPK1, PTEN, CDH1, SOCS1, TIMPS, VHL, TP53, TP73, etc. Hence, luteolin-targeted epigenetic alterations provide a promising approach for cancer prevention and intervention.
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13
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The Role of Epigenetic Modifications in Human Cancers and the Use of Natural Compounds as Epidrugs: Mechanistic Pathways and Pharmacodynamic Actions. Biomolecules 2022; 12:biom12030367. [PMID: 35327559 PMCID: PMC8945214 DOI: 10.3390/biom12030367] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 01/16/2022] [Accepted: 01/18/2022] [Indexed: 12/03/2022] Open
Abstract
Cancer is a complex disease resulting from the genetic and epigenetic disruption of normal cells. The mechanistic understanding of the pathways involved in tumor transformation has implicated a priori predominance of epigenetic perturbations and a posteriori genetic instability. In this work, we aimed to explain the mechanistic involvement of epigenetic pathways in the cancer process, as well as the abilities of natural bioactive compounds isolated from medicinal plants (flavonoids, phenolic acids, stilbenes, and ketones) to specifically target the epigenome of tumor cells. The molecular events leading to transformation, angiogenesis, and dissemination are often complex, stochastic, and take turns. On the other hand, the decisive advances in genomics, epigenomics, transcriptomics, and proteomics have allowed, in recent years, for the mechanistic decryption of the molecular pathways of the cancerization process. This could explain the possibility of specifically targeting this or that mechanism leading to cancerization. With the plasticity and flexibility of epigenetic modifications, some studies have started the pharmacological screening of natural substances against different epigenetic pathways (DNA methylation, histone acetylation, histone methylation, and chromatin remodeling) to restore the cellular memory lost during tumor transformation. These substances can inhibit DNMTs, modify chromatin remodeling, and adjust histone modifications in favor of pre-established cell identity by the differentiation program. Epidrugs are molecules that target the epigenome program and can therefore restore cell memory in cancerous diseases. Natural products isolated from medicinal plants such as flavonoids and phenolic acids have shown their ability to exhibit several actions on epigenetic modifiers, such as the inhibition of DNMT, HMT, and HAT. The mechanisms of these substances are specific and pleiotropic and can sometimes be stochastic, and their use as anticancer epidrugs is currently a remarkable avenue in the fight against human cancers.
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Dietary Phytoestrogens and Their Metabolites as Epigenetic Modulators with Impact on Human Health. Antioxidants (Basel) 2021; 10:antiox10121893. [PMID: 34942997 PMCID: PMC8750933 DOI: 10.3390/antiox10121893] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Revised: 11/17/2021] [Accepted: 11/25/2021] [Indexed: 12/12/2022] Open
Abstract
The impact of dietary phytoestrogens on human health has been a topic of continuous debate since their discovery. Nowadays, based on their presumptive beneficial effects, the amount of phytoestrogens consumed in the daily diet has increased considerably worldwide. Thus, there is a growing need for scientific data regarding their mode of action in the human body. Recently, new insights of phytoestrogens’ bioavailability and metabolism have demonstrated an inter-and intra-population heterogeneity of final metabolites’ production. In addition, the phytoestrogens may have the ability to modulate epigenetic mechanisms that control gene expression. This review highlights the complexity and particularity of the metabolism of each class of phytoestrogens, pointing out the diversity of their bioactive gut metabolites. Futhermore, it presents emerging scientific data which suggest that, among well-known genistein and resveratrol, other phytoestrogens and their gut metabolites can act as epigenetic modulators with a possible impact on human health. The interconnection of dietary phytoestrogens’ consumption with gut microbiota composition, epigenome and related preventive mechanisms is discussed. The current challenges and future perspectives in designing relevant research directions to explore the potential health benefits of dietary phytoestrogens are also explored.
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Quezada-Maldonado EM, Sánchez-Pérez Y, Chirino YI, García-Cuellar CM. Airborne particulate matter induces oxidative damage, DNA adduct formation and alterations in DNA repair pathways. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 287:117313. [PMID: 34022687 DOI: 10.1016/j.envpol.2021.117313] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Revised: 04/12/2021] [Accepted: 05/02/2021] [Indexed: 06/12/2023]
Abstract
Air pollution, which includes particulate matter (PM), is classified in group 1 as a carcinogen to humans by the International Agency for Research in Cancer. Specifically, PM exposure has been associated with lung cancer in patients living in highly polluted cities. The precise mechanism by which PM is linked to cancer has not been completely described, and the genotoxicity induced by PM exposure plays a relevant role in cell damage. In this review, we aimed to analyze the types of DNA damage and alterations in DNA repair pathways induced by PM exposure, from both epidemiological and toxicological studies, to comprehend the contribution of PM exposure to carcinogenesis. Scientific evidence supports that PM exposure mainly causes oxidative stress by reactive oxygen species (ROS) and the formation of DNA adducts, specifically by polycyclic aromatic hydrocarbons (PAH). PM exposure also induces double-strand breaks (DSBs) and deregulates the expression of some proteins in DNA repair pathways, precisely, base and nucleotide excision repairs and homologous repair. Furthermore, specific polymorphisms of DNA repair genes could lead to an adverse response in subjects exposed to PM. Nevertheless, information about the effects of PM on DNA repair pathways is still limited, and it has not been possible to conclude which pathways are the most affected by exposure to PM or if DNA damage is repaired properly. Therefore, deepening the study of genotoxic damage and alterations of DNA repair pathways is needed for a more precise understanding of the carcinogenic mechanism of PM.
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Affiliation(s)
- Ericka Marel Quezada-Maldonado
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP 14080, CDMX, Mexico; Programa de Doctorado en Ciencias Biomédicas, Universidad Nacional Autónoma de México, Unidad de Posgrado Edificio B, Primer Piso, Ciudad Universitaria, Coyoacán, CP 04510, Ciudad de México, Mexico
| | - Yesennia Sánchez-Pérez
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP 14080, CDMX, Mexico
| | - Yolanda I Chirino
- Unidad de Biomedicina, Facultad de Estudios Superiores Iztacala, Universidad Nacional Autónoma de México, Los Reyes Iztacala, Tlalnepantla de Baz, CP 54090, Estado de México, Mexico
| | - Claudia M García-Cuellar
- Subdirección de Investigación Básica, Instituto Nacional de Cancerología, San Fernando No. 22, Tlalpan, CP 14080, CDMX, Mexico.
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16
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Sahebnasagh A, Hashemi J, Khoshi A, Saghafi F, Avan R, Faramarzi F, Azimi S, Habtemariam S, Sureda A, Khayatkashani M, Safdari M, Rezai Ghaleno H, Soltani H, Khayat Kashani HR. Aromatic hydrocarbon receptors in mitochondrial biogenesis and function. Mitochondrion 2021; 61:85-101. [PMID: 34600156 DOI: 10.1016/j.mito.2021.09.012] [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] [Received: 05/19/2021] [Revised: 09/17/2021] [Accepted: 09/27/2021] [Indexed: 12/11/2022]
Abstract
Mitochondria are ubiquitous membrane-bound organelles that not only play a key role in maintaining cellular energy homeostasis and metabolism but also in signaling and apoptosis. Aryl hydrocarbons receptors (AhRs) are ligand-activated transcription factors that recognize a wide variety of xenobiotics, including polyaromatic hydrocarbons and dioxins, and activate diverse detoxification pathways. These receptors are also activated by natural dietary compounds and endogenous metabolites. In addition, AhRs can modulate the expression of a diverse array of genes related to mitochondrial biogenesis and function. The aim of the present review is to analyze scientific data available on the AhR signaling pathway and its interaction with the intracellular signaling pathways involved in mitochondrial functions, especially those related to cell cycle progression and apoptosis. Various evidence have reported the crosstalk between the AhR signaling pathway and the nuclear factor κB (NF-κB), tyrosine kinase receptor signaling and mitogen-activated protein kinases (MAPKs). The AhR signaling pathway seems to promote cell cycle progression in the absence of exogenous ligands, whereas the presence of exogenous ligands induces cell cycle arrest. However, its effects on apoptosis are controversial since activation or overexpression of AhR has been observed to induce or inhibit apoptosis depending on the cell type. Regarding the mitochondria, although activation by endogenous ligands is related to mitochondrial dysfunction, the effects of endogenous ligands are not well understood but point towards antiapoptotic effects and inducers of mitochondrial biogenesis.
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Affiliation(s)
- Adeleh Sahebnasagh
- Clinical Research Center, Department of Internal Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Javad Hashemi
- Department of Pathobiology and Laboratory Sciences, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Amirhosein Khoshi
- Department of Clinical Biochemistry, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Fatemeh Saghafi
- Department of Clinical Pharmacy, Faculty of Pharmacy and Pharmaceutical Sciences Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Razieh Avan
- Assistant Professor of Clinical Pharmacy, Department of Clinical Pharmacy, Medical Toxicology and Drug Abuse Research Center (MTDRC), Faculty of Pharmacy, Birjand University of Medical Sciences, Birjand, Iran
| | - Fatemeh Faramarzi
- Clinical Pharmacy Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Saeed Azimi
- Student Research Committee, Department of Clinical Pharmacy, Faculty of Pharmacy, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Solomon Habtemariam
- Pharmacognosy Research Laboratories and Herbal Analysis Services, School of Science, University of Greenwich, Central Avenue, Chatham-Maritime, Kent ME4 4TB, United Kingdom
| | - Antoni Sureda
- Research Group in Community Nutrition and Oxidative Stress, University of the Balearic Islands and Health Research Institute of Balearic Islands (IdISBa), Palma de Mallorca, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Maryam Khayatkashani
- School of Iranian Traditional Medicine, Tehran University of Medical Sciences, 14155-6559 Tehran, Iran
| | - Mohammadreza Safdari
- Department of Orthopedic Surgery, Faculty of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Hassan Rezai Ghaleno
- Department of Surgery, Faculty of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Hosseinali Soltani
- Department of General Surgery, Imam Ali Hospital, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Hamid Reza Khayat Kashani
- Department of Neurosurgery, Imam Hossein Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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Advances and challenges in cancer treatment and nutraceutical prevention: the possible role of dietary phenols in BRCA regulation. PHYTOCHEMISTRY REVIEWS 2021. [DOI: 10.1007/s11101-021-09771-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
AbstractOver the years, the attention towards the role of phytochemicals in dietary natural products in reducing the risk of developing cancer is rising. Cancer is the second primary cause of mortality worldwide. The current therapeutic options for cancer treatment are surgical excision, immunotherapy, chemotherapy, and radiotherapy. Unfortunately, in case of metastases or chemoresistance, the treatment options become very limited. Despite the advances in medical and pharmaceutical sciences, the impact of available treatments on survival is not satisfactory. Recently, natural products are a great deal of interest as potential anti-cancer agents. Among them, phenolic compounds have gained a great deal of interest, thanks to their anti-cancer activity. The present review focuses on the suppression of cancer by targeting BRCA gene expression using dietary polyphenols, as well as the clinical aspects of polyphenolic agents in cancer therapy. They regulate specific key processes involved in cancer progression and modulate the expression of oncogenic proteins, like p27, p21, and p53, which may lead to apoptosis, cell cycle arrest, inhibition of cell proliferation, and, consequently, cancer suppression. Thus, one of the mechanisms underlying the anti-cancer activity of phenolics involves the regulation of tumor suppressor genes. Among them, the BRCA genes, with the two forms (BRCA-1 and BRCA-2), play a pivotal role in cancer protection and prevention. BRCA germline mutations are associated with an increased risk of developing several types of cancers, including ovarian, breast, and prostate cancers. BRCA genes also play a key role in the sensitivity and response of cancer cells to specific pharmacological treatments. As the importance of BRCA-1 and BRCA-2 in reducing cancer invasiveness, repairing DNA damages, oncosoppression, and cell cycle checkpoint, their regulation by natural molecules has been examined.
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Rajagopal K, Sri VB, Byran G, Gomathi S. Pyrazole Substituted 9-Anilinoacridines as HER2 Inhibitors Targeting Breast Cancer - An In-Silico Approach. Curr Drug Res Rev 2021; 14:61-72. [PMID: 34139975 DOI: 10.2174/2589977513666210617160302] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 02/06/2021] [Accepted: 03/05/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND Breast cancer is one of the malignant tumours which mainly affect the female population. Total 20% of the cases of breast cancer are due to overexpression of Human epidermal growth factor receptor-2 (HER2), which is the dominant tyrosine kinase receptor. In general, 9-anilinoacridine derivatives play an important role as antitumor agents due to their DNA-intercalating properties. OBJECTIVE Some novel 9-anilinoacridines substituted with pyrazole moiety(1a-z) were designed, and their HER2enzyme (PDB id-3PP0) inhibition activity was evaluated by molecular docking studies using the Glide module of Schrodinger suite 2019-4. METHODS Glide module of the Schrodinger suite was used to perform docking studies, qikprop module was used for in-silico ADMET screening, and the Prime-MM-GBSA module was used for free binding energy calculations. Using GLIDE scoring functions, we can determine the binding affinity of ligands (1a-z) towards HER2. RESULTS The inhibitory activity of ligands against HER2 was mainly due to the strong hydrophobic and hydrogen bonding interactions. Almost all the compounds 1a-z have a good binding affinity with Glide scores in the range of -4.9 to -9.75 compared to the standard drugs CK0403(-4.105) and Tamoxifen (-3.78). From the results of in-silico ADMET properties, most of the compounds fall within the recommended values. MM-GBSA binding calculations of the most potent inhibitors are more favourable. CONCLUSION The results of in-silico studies provide strong evidence for the consideration of valuable ligands in pyrazole substituted 9-anilinoacridines as potential HER2 inhibitors, and the compounds, 1v,s,r,d, a,o with significant Glide scores may produce significant anti-breast cancer activity for further development.
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Affiliation(s)
- Kalirajan Rajagopal
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, Ooty 643001, [JSS Academy of Higher Education & Research-(Deemed to be University)], The Nilgiris (Tamilnadu), India
| | - Vulsi Bodhya Sri
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, Ooty 643001, [JSS Academy of Higher Education & Research-(Deemed to be University)], The Nilgiris (Tamilnadu), India
| | - Gowramma Byran
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, Ooty 643001, [JSS Academy of Higher Education & Research-(Deemed to be University)], The Nilgiris (Tamilnadu), India
| | - Swaminathan Gomathi
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, Ooty 643001, [JSS Academy of Higher Education & Research-(Deemed to be University)], The Nilgiris (Tamilnadu), India
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Jhanji M, Rao CN, Sajish M. Towards resolving the enigma of the dichotomy of resveratrol: cis- and trans-resveratrol have opposite effects on TyrRS-regulated PARP1 activation. GeroScience 2021; 43:1171-1200. [PMID: 33244652 PMCID: PMC7690980 DOI: 10.1007/s11357-020-00295-w] [Citation(s) in RCA: 9] [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: 07/21/2020] [Accepted: 10/28/2020] [Indexed: 02/07/2023] Open
Abstract
Unlike widely perceived, resveratrol (RSV) decreased the average lifespan and extended only the replicative lifespan in yeast. Similarly, although not widely discussed, RSV is also known to evoke neurite degeneration, kidney toxicity, atherosclerosis, premature senescence, and genotoxicity through yet unknown mechanisms. Nevertheless, in vivo animal models of diseases and human clinical trials demonstrate inconsistent protective and beneficial effects. Therefore, the mechanism of action of RSV that elicits beneficial effects remains an enigma. In a previously published work, we demonstrated structural similarities between RSV and tyrosine amino acid. RSV acts as a tyrosine antagonist and competes with it to bind to human tyrosyl-tRNA synthetase (TyrRS). Interestingly, although both isomers of RSV bind to TyrRS, only the cis-isomer evokes a unique structural change at the active site to promote its interaction with poly-ADP-ribose polymerase 1 (PARP1), a major determinant of cellular NAD+-dependent stress response. However, retention of trans-RSV in the active site of TyrRS mimics its tyrosine-bound conformation that inhibits the auto-poly-ADP-ribos(PAR)ylation of PARP1. Therefore, we proposed that cis-RSV-induced TyrRS-regulated auto-PARylation of PARP1 would contribute, at least in part, to the reported health benefits of RSV through the induction of protective stress response. This observation suggested that trans-RSV would inhibit TyrRS/PARP1-mediated protective stress response and would instead elicit an opposite effect compared to cis-RSV. Interestingly, most recent studies also confirmed the conversion of trans-RSV and its metabolites to cis-RSV in the physiological context. Therefore, the finding that cis-RSV and trans-RSV induce two distinct conformations of TyrRS with opposite effects on the auto-PARylation of PARP1 provides a potential molecular basis for the observed dichotomic effects of RSV under different experimental paradigms. However, the fact that natural RSV exists as a diastereomeric mixture of its cis and trans isomers and cis-RSV is also a physiologically relevant isoform has not yet gained much scientific attention.
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Affiliation(s)
- Megha Jhanji
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, 29208, USA
| | - Chintada Nageswara Rao
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, 29208, USA
| | - Mathew Sajish
- Department of Drug Discovery and Biomedical Sciences, College of Pharmacy, University of South Carolina, Columbia, SC, 29208, USA.
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20
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Natural products in the reprogramming of cancer epigenetics. Toxicol Appl Pharmacol 2021; 417:115467. [PMID: 33631231 DOI: 10.1016/j.taap.2021.115467] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 02/15/2021] [Accepted: 02/18/2021] [Indexed: 02/06/2023]
Abstract
Owing to the technological advancements, including next generation sequencing, the significance of deregulated epigenetic mechanisms in cancer initiation, progression and treatment has become evident. The accumulating knowledge relating to the epigenetic markers viz. DNA methylation, Histone modifications and non-coding RNAs make them one of the most interesting candidates for developing anti-cancer therapies. The reversibility of deregulated epigenetic mechanisms through environmental and dietary factors opens numerous avenues in the field of chemoprevention and drug development. Recent studies have proven that plant-derived natural products encompass a great potential in targeting epigenetic signatures in cancer and numerous natural products are being explored for their possibility to be considered as "epi-drug". This review intends to highlight the major aberrant epigenetic mechanisms and summarizes the essential functions of natural products like Resveratrol, Quercetin, Genistein, EGCG, Curcumin, Sulforaphane, Apigenin, Parthenolide and Berberine in modulating these aberrations. This knowledge along with the challenges and limitations in this field has potential and wider implications in developing novel and successful therapeutic strategies. The increased focus in the area will possibly provide a better understanding for the development of dietary supplements and/or drugs either alone or in combination. The interaction of epigenetics with different hallmarks of cancer and how natural products can be utilized to target them will also be interesting in the future therapeutic approaches.
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21
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Ghasemi S, Xu S, Nabavi SM, Amirkhani MA, Sureda A, Tejada S, Lorigooini Z. Epigenetic targeting of cancer stem cells by polyphenols (cancer stem cells targeting). Phytother Res 2021; 35:3649-3664. [PMID: 33619811 DOI: 10.1002/ptr.7059] [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: 09/19/2020] [Revised: 11/29/2020] [Accepted: 02/08/2021] [Indexed: 12/19/2022]
Abstract
Epigenetic alterations are one of the main factors that disrupt the expression of genes and consequently, they have an important role in the carcinogenicity and the progression of different cancers. Cancer stem cells (CSCs) are accountable for the recurrence, metastasis, and therapeutic failure of cancer. The noticeable and specific pathways in CSCs can be organized by epigenetic mechanisms such as DNA methylation, chromatin remodeling, regulatory RNAs, among others. Since epigenetics modifications can be changed and reversed, it is a possible tool for cancer control and treatment. Epigenetic therapies against CSCs are emerging as a very new strategy with a good future expectation to treat cancer patients. Phenolic compounds are a vast group of substances with anticarcinogenic functions, antiinflammatory, and antioxidative activities. It seems these characteristics are related to neutralizing CSCs development, their microenvironment, and metabolism through epigenetic mechanisms. In the current work, the types of epigenetic changes known in these cells are introduced. In addition, some studies about the use of polyphenols acting through a variety of epigenetic mechanisms to counteract these cells will be reviewed. The reported results seem to indicate that the use of these phenolic compounds may be useful for CSCs defeat.
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Affiliation(s)
- Sorayya Ghasemi
- Cellular and Molecular Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran.,Cancer Research Center, Shahrekord University of Medical Sciences, Shahrekord, Iran
| | - Suowen Xu
- Aab Cardiovascular Research Institute, University of Rochester, Rochester, New York, USA
| | - Seyed Mohammad Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Mohammad Amir Amirkhani
- Stem Cell and Regenerative Medicine Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Antoni Sureda
- Research Group on Community Nutrition and Oxidative Stress, University of Balearic Islands & Health Research Institute of the Balearic Islands (IdISBa), Palma de Mallorca, Spain.,CIBEROBN (Physiopathology of Obesity and Nutrition), Instituto de Salud Carlos III, Madrid, Spain
| | - Silvia Tejada
- CIBEROBN (Physiopathology of Obesity and Nutrition), Instituto de Salud Carlos III, Madrid, Spain.,Laboratory of neurophysiology. Biology Department, University of Balearic Islands & Health Research Institute of the Balearic Islands (IdISBa), Palma de Mallorca, Spain
| | - Zahra Lorigooini
- Medical Plants Research Center, Basic Health Sciences Institute, Shahrekord University of Medical Sciences, Shahrekord, Iran
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22
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Andreeva-Gateva P, Bakalov D, Sabit Z, Tafradjiiska-Hadjiolova R. Aryl hydrocarbon receptors as potential therapeutic targets. PHARMACIA 2020. [DOI: 10.3897/pharmacia.67.e47298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Aryl hydrocarbon receptors (AhR) are regulators of the expression of cytochrome P-450 isoforms, mediating a wide variety of the effects of substances from the endogenous or exogenous origin, including those produced from the microbiome. An exciting new aspect of their activity is their localization in the brain and their potential to modulate the action of the immune system. AhR is emerging as an essential toxicological and therapeutic target for neuromodulation. Further studies are needed for elucidating their utility as drug-targets.
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23
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Ullah MF, Usmani S, Shah A, Abuduhier FM. Dietary molecules and experimental evidence of epigenetic influence in cancer chemoprevention: An insight. Semin Cancer Biol 2020; 83:319-334. [PMID: 33152485 DOI: 10.1016/j.semcancer.2020.10.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Revised: 10/26/2020] [Accepted: 10/27/2020] [Indexed: 12/17/2022]
Abstract
The world-wide rate of incidence of cancer disease has been only modestly contested by the past and current preventive and interventional strategies. Hence, the global effort towards novel ideas to contain the disease still continues. Constituents of human diets have in recent years emerged as key regulators of carcinogenesis, with studies reporting their inhibitory potential against all the three stages vis-a-vis initiation, promotion and progression. Unlike drugs which usually act on single targets, these dietary factors have an advantage of multi-targeted effects and pleiotropic action mechanisms, which are effective against cancer that manifest as a micro-evolutionary and multi-factorial disease. Since most of the cellular targets have been identified and their consumption considered relatively safe, these diet-derived agents often appear as molecules of interest in repurposing strategies. Currently, many of these molecules are being investigated for their ability to influence the aberrant alterations in cell's epigenome for epigenetic therapy against cancer. Targeting the epigenetic regulators is a new paradigm in cancer chemoprevention which acts to reverse the warped-up epigenetic alterations in a cancer cell, thereby directing it towards a normal phenotype. In this review, we discuss the significance of dietary factors and natural products as chemopreventive agents. Further, we corroborate the experimental evidence from existing literature, reflecting the ability of a series of such molecules to act as epigenetic modifiers in cancer cells, by interfering with molecular events that map the epigenetic imprints such as DNA methylation, histone acetylation and non-coding RNA mediated gene regulation.
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Affiliation(s)
- Mohammad Fahad Ullah
- Prince Fahad Research Chair, Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, University of Tabuk, Tabuk, 71491, Saudi Arabia.
| | - Shazia Usmani
- Faculty of Pharmacy, Integral University, Lucknow, India
| | - Aaliya Shah
- Department of Biochemistry, SKIMS Medical College, Srinagar, India
| | - Faisel M Abuduhier
- Prince Fahad Research Chair, Department of Medical Laboratory Technology, Faculty of Applied Medical Sciences, University of Tabuk, Tabuk, 71491, Saudi Arabia
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24
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Selmin OI, Donovan MG, Stillwater BJ, Neumayer L, Romagnolo DF. Epigenetic Regulation and Dietary Control of Triple Negative Breast Cancer. Front Nutr 2020; 7:159. [PMID: 33015128 PMCID: PMC7506147 DOI: 10.3389/fnut.2020.00159] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Accepted: 08/06/2020] [Indexed: 12/21/2022] Open
Abstract
Triple negative breast cancer (TNBC) represents a highly heterogeneous group of breast cancers, lacking expression of the estrogen (ER) and progesterone (PR) receptors, and human epidermal growth factor receptor 2 (HER2). TNBC are characterized by a high level of mutation and metastasis, poor clinical outcomes and overall survival. Here, we review the epigenetic mechanisms of regulation involved in cell pathways disrupted in TNBC, with particular emphasis on dietary food components that may be exploited for the development of effective strategies for management of TNBC.
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Affiliation(s)
- Ornella I Selmin
- Department of Nutritional Sciences, The University of Arizona, Tucson, AZ, United States.,University of Arizona Cancer Center, The University of Arizona, Tucson, AZ, United States
| | - Micah G Donovan
- University of Arizona Cancer Center, The University of Arizona, Tucson, AZ, United States
| | - Barbara J Stillwater
- Department of Surgery, Breast Surgery Oncology, The University of Arizona, Tucson, AZ, United States
| | - Leigh Neumayer
- Department of Surgery, Breast Surgery Oncology, The University of Arizona, Tucson, AZ, United States
| | - Donato F Romagnolo
- Department of Nutritional Sciences, The University of Arizona, Tucson, AZ, United States.,University of Arizona Cancer Center, The University of Arizona, Tucson, AZ, United States
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25
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Akhtar S, Hourani S, Therachiyil L, Al-Dhfyan A, Agouni A, Zeidan A, Uddin S, Korashy HM. Epigenetic Regulation of Cancer Stem Cells by the Aryl Hydrocarbon Receptor Pathway. Semin Cancer Biol 2020; 83:177-196. [PMID: 32877761 DOI: 10.1016/j.semcancer.2020.08.014] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 08/20/2020] [Accepted: 08/23/2020] [Indexed: 12/14/2022]
Abstract
Compelling evidence has demonstrated that tumor bulk comprises distinctive subset of cells generally referred as cancer stem cells (CSCs) that have been proposed as a strong sustainer and promoter of tumorigenesis and therapeutic resistance. These distinguished properties of CSCs have raised interest in understanding the molecular mechanisms that govern the maintenance of these cells. Numerous experimental and epidemiological studies have demonstrated that exposure to environmental toxins such as the polycyclic aromatic hydrocarbons (PAHs) is strongly involved in cancer initiation and progression. The PAH-induced carcinogenesis is shown to be mediated through the activation of a cytosolic receptor, aryl hydrocarbon receptor (AhR)/Cytochrome P4501A pathway, suggesting a possible direct link between AhR and CSCs. Several recent studies have investigated the role of AhR in CSCs self-renewal and maintenance, however the molecular mechanisms and particularly the epigenetic regulations of CSCs by the AhR/CYP1A pathway have not been reviewed before. In this review, we first summarize the crosstalk between AhR and cancer genetics, with a particular emphasis on the mechanisms relevant to CSCs such as Wnt/β-catenin, Notch, NF-κB, and PTEN-PI3K/Akt signaling pathways. The second part of this review discusses the recent advances and studies highlighting the epigenetic mechanisms mediated by the AhR/CYP1A pathway that control CSC gene expression, self-renewal, and chemoresistance in various human cancers. Furthermore, the review also sheds light on the importance of targeting the epigenetic pathways as a novel therapeutic approach against CSCs.
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Affiliation(s)
- Sabah Akhtar
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, Doha, Qatar
| | - Shireen Hourani
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, Doha, Qatar
| | - Lubna Therachiyil
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, Doha, Qatar; Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Abdullah Al-Dhfyan
- Stem Cell & Tissue Re-Engineering, King Faisal Specialist Hospital and Research Centre, Riyadh, 11211, Saudi Arabia
| | - Abdelali Agouni
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, Doha, Qatar
| | - Asad Zeidan
- Department of Biomedical Sciences, College of Medicine, QU Health, Qatar University, Doha, Qatar
| | - Shahab Uddin
- Translational Research Institute, Academic Health System, Hamad Medical Corporation, Doha, Qatar
| | - Hesham M Korashy
- Department of Pharmaceutical Sciences, College of Pharmacy, QU Health, Qatar University, Doha, Qatar.
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26
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Abid F, Saleem M, Yasir S, Arshad S, Qureshi S, Bajwa MA, Ashiq S, Tanveer S, Qayyum M, Ashiq K. CANCER EPIGENETICS AND THE ROLE OF DIETARY ELEMENTS. GOMAL JOURNAL OF MEDICAL SCIENCES 2020. [DOI: 10.46903/gjms/17.03.2070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022] Open
Abstract
Cancer has been a fatal disease since many decades. Over the time, it is presented in multiple ways and is a matter of consideration as accounts for the high rate of mortality. The aim of the current review was to focus on the genetics, epigenetics factors and role of medicinal plants for the cure of this inimical disease. Related articles available in English language (2002-2018) were reviewed with help of different database, including PubMed, Springer Link, Medline, Google Scholar and ScienceDirect. In order to ensure credibility and accuracy of data only those articles were considered which are published in indexed journals i.e. Web of Science and Scopus. This project was conducted at the Department of Pharmacy, Government College University, Faisalabad, Pakistan from 02-01-2019 to 28-02-2019. The genetic machinery is vibrantly involved in the interpretation of the signals and is observed to be affected by various dietary factors. A sequence of modified activities is observed with use of these dietary elements. However, the modification is reviewed through the histone acetyltransferase (HAT), histone deacetylase (HDAC) and DNA methyl transferase (DNMTs), effecting the expression of gene. These modified genes, in turn then express the signals in multiple reformed ways. Different dietary elements that are used such as polyphenol, alkaloid and flavonoids are effective against cancer. The progression of disease involves genetics and epigenetics due to amplification, translocation and mutation during gene expression. Though, many studies have been conducted elaborating the role of plants and their ingredients which play a part in inhibition of cancerous cells by blockade of cell cycle and apoptosis; more in-depth investigations are still required to identify the new drug target and novel therapeutic modalities.
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Toghueo RMK, Sahal D, Boyom FF. Recent advances in inducing endophytic fungal specialized metabolites using small molecule elicitors including epigenetic modifiers. PHYTOCHEMISTRY 2020; 174:112338. [PMID: 32179305 DOI: 10.1016/j.phytochem.2020.112338] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Revised: 03/02/2020] [Accepted: 03/03/2020] [Indexed: 06/10/2023]
Abstract
Today when the quest of new lead molecules to supply the development pipeline is driving the course of drug discovery, endophytic fungi with their outstanding biosynthetic potential seem to be highly promising avenues for natural product scientists. However, challenges such as the production of inadequate quantities of compounds, the attenuation or loss of ability of endophytes to produce the compound of interest when grown in culture and the inability of fungal endophytes to express their full biosynthetic potential in laboratory conditions have been the major constraints. These have led to the application of small chemical elicitors that induce epigenetic changes in fungi to activate their silent gene clusters optimizing the amount of metabolites of interest or inducing the synthesis of hitherto undescribed compounds. In this respect small molecular weight compounds which are known to function as inhibitors of histone deacetylase (HDAC), DNA methyltransferase (DNMT) and proteasome have proven their efficacy in enhancing or inducing the production of specialized metabolites by fungi. Moreover, organic solvents, metals and plants extracts are also acknowledged for their ability to cause shifts in fungal metabolism. We highlight the successful studies from the past two decades reporting the ability of structurally diverse small molecular weight compounds to elicit the production of previously undescribed metabolites from endophytic fungi grown in culture. This mini review argues in favor of chemical elicitation as an effective strategy to optimize the production of fungal metabolites and invigorate the pipeline of drug discovery with new chemical entities.
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Affiliation(s)
- Rufin Marie Kouipou Toghueo
- Antimicrobial and Biocontrol Agents Unit (AmBcAU), Laboratory for Phytobiochemistry and Medicinal Plants Studies, Department of Biochemistry, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon.
| | - Dinkar Sahal
- Malaria Drug Discovery Laboratory, International Centre for Genetic Engineering and Biotechnology, Aruna Asaf Ali Marg, New Delhi, 110067, India.
| | - Fabrice Fekam Boyom
- Antimicrobial and Biocontrol Agents Unit (AmBcAU), Laboratory for Phytobiochemistry and Medicinal Plants Studies, Department of Biochemistry, Faculty of Science, University of Yaoundé I, P.O. Box 812, Yaoundé, Cameroon.
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28
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Wang M, Ye Q, Mao D, Li H. Research Progress in Liver-Regenerating Microenvironment and DNA Methylation in Hepatocellular Carcinoma: The Role of Traditional Chinese Medicine. Med Sci Monit 2020; 26:e920310. [PMID: 32144233 PMCID: PMC7077739 DOI: 10.12659/msm.920310] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The development, progression, recurrence, and metastasis of hepatocellular carcinoma (HCC) are closely associated with an abnormal liver-regenerating microenvironment (LRM). Therefore, preventing and reversing an abnormal LRM is a potential therapeutic strategy against HCC. Studies are increasingly focusing on the impact of regeneration, fibrosis, angiogenesis, inflammation, immunomodulation, and hepatic stem cells on HCC development and progression. As a key epigenetic mechanism, DNA methylation is extensively involved in regulating physiological and pathological pathways. In this review, we summarize recent findings on the role of DNA methylation in the fibrotic, angiogenic, inflammatory/immune, and stem cell microenvironments of HCC, and discuss new advances in Traditional Chinese Medicine (TCM) on influencing the abnormal LRM, so as to gain new insights into alleviating the abnormal LRM via regulating DNA methylation by TCM.
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Affiliation(s)
- Minggang Wang
- Hubei University of Traditional Chinese Medicine, Wuhan, Hubei, China (mainland)
| | - Qianling Ye
- Guangxi University of Traditional Chinese Medicine, Nanning, Guangxi, China (mainland)
| | - Dewen Mao
- The First Affiliated Hospital of Guangxi University of Traditional Chinese Medicine, Nanning, Guangxi, China (mainland)
| | - Hanmin Li
- Hubei University of Traditional Chinese Medicine, Wuhan, Hubei, China (mainland)
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29
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Beetch M, Harandi-Zadeh S, Shen K, Lubecka K, Kitts DD, O'Hagan HM, Stefanska B. Dietary antioxidants remodel DNA methylation patterns in chronic disease. Br J Pharmacol 2019; 177:1382-1408. [PMID: 31626338 DOI: 10.1111/bph.14888] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 09/19/2019] [Accepted: 09/23/2019] [Indexed: 12/14/2022] Open
Abstract
Chronic diseases account for over 60% of all deaths worldwide according to the World Health Organization reports. Majority of cases are triggered by environmental exposures that lead to aberrant changes in the epigenome, specifically, the DNA methylation patterns. These changes result in altered expression of gene networks and activity of signalling pathways. Dietary antioxidants, including catechins, flavonoids, anthocyanins, stilbenes and carotenoids, demonstrate benefits in the prevention and/or support of therapy in chronic diseases. This review provides a comprehensive discussion of potential epigenetic mechanisms of antioxidant compounds in reversing altered patterns of DNA methylation in chronic disease. Antioxidants remodel the DNA methylation patterns through multiple mechanisms, including regulation of epigenetic enzymes and chromatin remodelling complexes. These effects can further contribute to antioxidant properties of the compounds. On the other hand, decrease in oxidative stress itself can impact DNA methylation delivering additional link between antioxidant mechanisms and epigenetic effects of the compounds. LINKED ARTICLES: This article is part of a themed section on The Pharmacology of Nutraceuticals. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v177.6/issuetoc.
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Affiliation(s)
- Megan Beetch
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC, Canada
| | - Sadaf Harandi-Zadeh
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC, Canada
| | - Kate Shen
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC, Canada
| | - Katarzyna Lubecka
- Department of Biomedical Chemistry, Medical University of Lodz, Lodz, Poland
| | - David D Kitts
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC, Canada
| | - Heather M O'Hagan
- Cell, Molecular and Cancer Biology, Medical Sciences, Indiana University School of Medicine, Bloomington, Indiana, USA
| | - Barbara Stefanska
- Food, Nutrition and Health Program, Faculty of Land and Food Systems, The University of British Columbia, Vancouver, BC, Canada
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30
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Donovan MG, Selmin OI, Doetschman TC, Romagnolo DF. Epigenetic Activation of BRCA1 by Genistein In Vivo and Triple Negative Breast Cancer Cells Linked to Antagonism toward Aryl Hydrocarbon Receptor. Nutrients 2019; 11:nu11112559. [PMID: 31652854 PMCID: PMC6893467 DOI: 10.3390/nu11112559] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2019] [Revised: 10/16/2019] [Accepted: 10/17/2019] [Indexed: 12/24/2022] Open
Abstract
Triple negative breast cancers (TNBC) are the most aggressive and lethal breast cancers (BC). The aryl hydrocarbon receptor (AHR) is often overexpressed in TNBC, and its activation results in the epigenetic silencing of BRCA1, which is a necessary factor for the transcriptional activation of estrogen receptor (ER)α. The dietary isoflavone genistein (GEN) modulates BRCA1 CpG methylation in BC cells. The purpose of this study was to investigate the effect of GEN on BRCA1 epigenetic regulation and AHR activity in vivo and TNBC cells. Mice were administered a control or GEN-enriched (4 and 10 ppm) diet from gestation through post-natal day 50. Mammary tissue was analyzed for changes in BRCA1 regulation and AhR activity. TNBC cells with constitutively hypermethylated BRCA1 (HCC38) and MCF7 cells were used. Protein levels and mRNA expression were measured by Western blot and real-time PCR, respectively. BRCA1 promoter occupancy and CpG methylation were analyzed by chromatin immunoprecipitation and methylation-specific PCR, respectively. Cell viability was determined by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. GEN administered in the diet dose-dependently decreased basal Brca1 methylation and AHR activity in the mammary gland of adult mice. HCC38 cells were found to overexpress constitutively active AHR in parallel with BRCA1 hypermethylation. The treatment of HCC38 cells with GEN upregulated BRCA1 protein levels, which was attributable to decreased CpG methylation and AHR binding at BRCA1 exon 1a. In MCF7 cells, GEN prevented the 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD)-dependent localization of AHR at the BRCA1 gene. These effects were consistent with those elicited by control AHR antagonists galangin (GAL), CH-223191, and α-naphthoflavone. The pre-treatment with GEN sensitized HCC38 cells to the antiproliferative effects of 4-hydroxytamoxifen. We conclude that the dietary compound GEN may be effective for the prevention and reversal of AHR-dependent BRCA1 hypermethylation, and the restoration of ERα-mediated response, thus imparting the sensitivity of TNBC to antiestrogen therapy.
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Affiliation(s)
- Micah G Donovan
- Cancer Biology Graduate Interdisciplinary Program, The University of Arizona, Tucson, AZ 85724, USA.
- The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ 85724, USA.
| | - Ornella I Selmin
- The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ 85724, USA.
- Department of Nutritional Sciences, The University of Arizona, Tucson, AZ 85721, USA.
| | - Thomas C Doetschman
- The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ 85724, USA.
- Department of Cellular and Molecular Medicine, The University of Arizona, Tucson, AZ 85724, USA.
| | - Donato F Romagnolo
- The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ 85724, USA.
- Department of Nutritional Sciences, The University of Arizona, Tucson, AZ 85721, USA.
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31
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Shaikh AA, Braakhuis AJ, Bishop KS. The Mediterranean Diet and Breast Cancer: A Personalised Approach. Healthcare (Basel) 2019; 7:E104. [PMID: 31505792 PMCID: PMC6787593 DOI: 10.3390/healthcare7030104] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 09/05/2019] [Accepted: 09/06/2019] [Indexed: 12/11/2022] Open
Abstract
There have been many original and review articles summarizing the impact of nutrition and diet on breast cancer risk. However, very few consider the implication of genetic background and the effect of personalised nutrition on the risk and prognosis of breast cancer. A literature search was performed using the following databases: MEDLINE (Ovid), PubMed, Scopus and EMBASE (Ovid). The ensuing search terms were selected: genomics, nutrigenomics, breast cancer, breast neoplasms, cancer, nutrigenetics, diet-gene interaction, and Mediterranean, nutrition, polyphenols and diet. In this review, we discuss the Mediterranean-style diet and associated nutrients, evidence of benefit, impact on gene expression and evidence of interactions with genotype and how this interaction can modify breast cancer risk and progression. In addition, the impact of nutrients commonly associated with a Mediterranean-style diet, on breast cancer treatment, and synergistic effects are mentioned when modified by genotype. Some evidence exists around the benefit of a gene-based personalised diet based on a Mediterranean-style dietary pattern, but further evidence in the form of clinical trials is required before such an approach can be comprehensively implemented.
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Affiliation(s)
- Amani Al Shaikh
- Discipline of Nutrition and Dietetics, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland 1023, New Zealand.
| | - Andrea J Braakhuis
- Discipline of Nutrition and Dietetics, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland 1023, New Zealand.
| | - Karen S Bishop
- Discipline of Nutrition and Dietetics, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland 1023, New Zealand.
- Auckland Cancer Society Research Centre, School of Medical Sciences, Faculty of Medical and Health Sciences, University of Auckland, Auckland 1023, New Zealand.
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Chatterjee B, Ghosh K, Kanade SR. Resveratrol modulates epigenetic regulators of promoter histone methylation and acetylation that restores BRCA1, p53, p21 CIP1 in human breast cancer cell lines. Biofactors 2019; 45:818-829. [PMID: 31317586 DOI: 10.1002/biof.1544] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Accepted: 06/27/2019] [Indexed: 01/09/2023]
Abstract
The epigenetic enzymes catalyze posttranslational modifications (PTMs) of histones, which functionally determine gene expression at the chromatin level. Resveratrol (RVT) a much studied anti-cancer natural molecule is known for restoration of BRCA1, p53, and p21 in cancer cells. We aimed to investigate the role of histone methylation and acetylation on upregulation of these tumor suppressor genes. Our results suggest RVT significantly increase expression of BRCA1, p53, and p21, while decreased expression of protein arginine methyltransferase 5 (PRMT5) and enhancer of Zeste homolog 2 (EZH2) at a 20 μM concentration by 48 hr in both MCF-7 and MDA-MB-231 breast cancer cells. Also, there was an overall loss of H4R3me2s (catalytic product of PRMT5) and H3K27me3 (catalytic product of PRMT5). In contrast, RVT exposure caused a significant decrease in lysine deacetylase (KDAC) activity and expression of KDAC1-3, whereas the expression of lysine acetyltransferase KAT2A/3B was increased compared to the unexposed cells. As an outcome, RVT increased global level of H3K9ac and H3K27ac marks. The chromatin immunoprecipitation showed 20 μM RVT exposure significantly reduced the enrichment of repressive histone marks (H4R3me2s and H3K27me3) while the abundance of activating histone marks (H3K9/27ac) within the proximal promoter region of BRCA1, p53, and p21 was increased. We hypothesize RVT by affecting the expression and function of methylation and acetylation enzymes altered the epigenetic modifications on promoter histones that restored expression of these critically important tumor suppressor genes.
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Affiliation(s)
- Biji Chatterjee
- Department of Biochemistry and Molecular Biology, School of Biological Sciences, Central University of Kerala, Kasargod, Kerala, India
| | - Krishna Ghosh
- Department of Biochemistry and Molecular Biology, School of Biological Sciences, Central University of Kerala, Kasargod, Kerala, India
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Central University P.O., Hyderabad, Telangana, India
| | - Santosh R Kanade
- Department of Biochemistry and Molecular Biology, School of Biological Sciences, Central University of Kerala, Kasargod, Kerala, India
- Department of Plant Sciences, School of Life Sciences, University of Hyderabad, Central University P.O., Hyderabad, Telangana, India
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Yu HR, Sheen JM, Tiao MM, Tain YL, Chen CC, Lin IC, Lai YJ, Tsai CC, Lin YJ, Tsai CC, Chang KA, Huang LT. Resveratrol Treatment Ameliorates Leptin Resistance and Adiposity Programed by the Combined Effect of Maternal and Post-Weaning High-Fat Diet. Mol Nutr Food Res 2019; 63:e1801385. [PMID: 31004461 DOI: 10.1002/mnfr.201801385] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 04/08/2019] [Indexed: 01/24/2023]
Abstract
SCOPE Prenatal high-fat (HF) and postnatal HF diet are both associated with obesity and metabolic disturbances in adults. Leptin resistance induced by obesity limits its biological effects. The anti-obesity mechanism of resveratrol in visceral adiposity is investigated here. METHODS AND RESULTS During mating and lactation, Sprague-Dawley dams are fed either control or a HF diet. Subsequently, the offspring are fed chow or an HF diet. A fifth group that received maternal/postnatal HF diet and resveratrol after weaning (HHR) is used to study the effects of resveratrol treatment. Resveratrol treatment alleviates adiposity programed by maternal and postnatal HF diet by decreasing feed intake or inducing metabolic changes. Resveratrol treatment is also found to ameliorate the decrease in SIRT1 abundance observed in retroperitoneal adipose tissue, programed by maternal and postnatal HF diet. Moreover, resveratrol therapy decreases plasma leptin level and increases leptin receptor expression in retroperitoneal adipose tissue through DNA methylation modification. CONCLUSION These results suggest that resveratrol can alleviate peripheral leptin resistance programed by the combined effect of prenatal and postnatal HF diet through epigenetic regulation of genes coding leptin and its receptor. It provides insights into a novel mechanism explaining the beneficial effects of resveratrol in obesity management.
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Affiliation(s)
- Hong-Ren Yu
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, College of Medicine, Chang Gung University,, Kaohsiung, Taiwan
| | - Jiunn-Ming Sheen
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, College of Medicine, Chang Gung University,, Kaohsiung, Taiwan
| | - Mao-Meng Tiao
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, College of Medicine, Chang Gung University,, Kaohsiung, Taiwan
| | - You-Lin Tain
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, College of Medicine, Chang Gung University,, Kaohsiung, Taiwan
| | - Chih-Cheng Chen
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, College of Medicine, Chang Gung University,, Kaohsiung, Taiwan
| | - I-Chun Lin
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, College of Medicine, Chang Gung University,, Kaohsiung, Taiwan
| | - Yun-Ju Lai
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Kaohsiung, Taiwan
| | - Ching-Chou Tsai
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Kaohsiung, Taiwan
| | - Yu-Ju Lin
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Kaohsiung, Taiwan
| | - Ching-Chang Tsai
- Department of Obstetrics and Gynecology, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Kaohsiung, Taiwan
| | - Kow-Aung Chang
- Department of Anesthesiology, Kaohsiung Chang Gung Memorial Hospital, College of Medicine, Chang Gung University, Kaohsiung, 83301, Taiwan
| | - Li-Tung Huang
- Department of Pediatrics, Chang Gung Memorial Hospital-Kaohsiung Medical Center, Graduate Institute of Clinical Medical Science, College of Medicine, Chang Gung University,, Kaohsiung, Taiwan
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Li S, Chen M, Li Y, Tollefsbol TO. Prenatal epigenetics diets play protective roles against environmental pollution. Clin Epigenetics 2019; 11:82. [PMID: 31097039 PMCID: PMC6524340 DOI: 10.1186/s13148-019-0659-4] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2019] [Accepted: 03/27/2019] [Indexed: 12/12/2022] Open
Abstract
It is thought that germ cells and preimplantation embryos during development are most susceptible to endogenous and exogenous environmental factors because the epigenome in those cells is undergoing dramatic elimination and reconstruction. Exposure to environmental factors such as nutrition, climate, stress, pathogens, toxins, and even social behavior during gametogenesis and early embryogenesis has been shown to influence disease susceptibility in the offspring. Early-life epigenetic modifications, which determine the expression of genetic information stored in the genome, are viewed as one of the general mechanisms linking prenatal exposure and phenotypic changes later in life. From atmospheric pollution, endocrine-disrupting chemicals to heavy metals, research increasingly suggests that environmental pollutions have already produced significant consequences on human health. Moreover, mounting evidence now links such pollution to relevant modification in the epigenome. The epigenetics diet, referring to a class of bioactive dietary compounds such as isothiocyanates in broccoli, genistein in soybean, resveratrol in grape, epigallocatechin-3-gallate in green tea, and ascorbic acid in fruits, has been shown to modify the epigenome leading to beneficial health outcomes. This review will primarily focus on the causes and consequences of prenatal environment pollution exposure on the epigenome, and the potential protective role of the epigenetics diet, which could play a central role in neutralizing epigenomic aberrations against environmental pollutions.
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Affiliation(s)
- Shizhao Li
- Department of Biology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Min Chen
- Department of Pharmacology and Toxicology, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Yuanyuan Li
- Department of Pharmacology and Toxicology, University of Alabama at Birmingham, Birmingham, AL, USA.
- Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA.
- Nutrition Obesity Research Center, University of Alabama at Birmingham, Birmingham, AL, USA.
| | - Trygve O Tollefsbol
- Department of Biology, University of Alabama at Birmingham, Birmingham, AL, USA.
- Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, AL, USA.
- Nutrition Obesity Research Center, University of Alabama at Birmingham, Birmingham, AL, USA.
- Comprehensive Center for Healthy Aging, University of Alabama at Birmingham, Birmingham, AL, USA.
- Comprehensive Diabetes Center, University of Alabama at Birmingham, Birmingham, AL, USA.
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35
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Carlos-Reyes Á, López-González JS, Meneses-Flores M, Gallardo-Rincón D, Ruíz-García E, Marchat LA, Astudillo-de la Vega H, Hernández de la Cruz ON, López-Camarillo C. Dietary Compounds as Epigenetic Modulating Agents in Cancer. Front Genet 2019; 10:79. [PMID: 30881375 PMCID: PMC6406035 DOI: 10.3389/fgene.2019.00079] [Citation(s) in RCA: 119] [Impact Index Per Article: 23.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Accepted: 01/28/2019] [Indexed: 12/15/2022] Open
Abstract
Epigenetic mechanisms control gene expression during normal development and their aberrant regulation may lead to human diseases including cancer. Natural phytochemicals can largely modulate mammalian epigenome through regulation of mechanisms and proteins responsible for chromatin remodeling. Phytochemicals are mainly contained in fruits, seeds, and vegetables as well as in foods supplements. These compounds act as powerful cellular antioxidants and anti-carcinogens agents. Several dietary compounds such as catechins, curcumin, genistein, quercetin and resveratrol, among others, exhibit potent anti-tumor activities through the reversion of epigenetic alterations associated to oncogenes activation and inactivation of tumor suppressor genes. In this review, we summarized the actual knowledge about the role of dietary phytochemicals in the restoration of aberrant epigenetic alterations found in cancer cells with a particular focus on DNA methylation and histone modifications. Furthermore, we discussed the mechanisms by which these natural compounds modulate gene expression at epigenetic level and described their molecular targets in diverse types of cancer. Modulation of epigenetic activities by phytochemicals will allow the discovery of novel biomarkers for cancer prevention, and highlights its potential as an alternative therapeutic approach in cancer.
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Affiliation(s)
- Ángeles Carlos-Reyes
- Laboratorio de Cáncer de Pulmón, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
| | - José Sullivan López-González
- Laboratorio de Cáncer de Pulmón, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
| | - Manuel Meneses-Flores
- Laboratorio de Cáncer de Pulmón, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Mexico City, Mexico
| | - Dolores Gallardo-Rincón
- Laboratorio de Medicina Traslacional, Instituto Nacional de Cancerología, Mexico City, Mexico
| | - Erika Ruíz-García
- Laboratorio de Medicina Traslacional, Instituto Nacional de Cancerología, Mexico City, Mexico
| | - Laurence A. Marchat
- Programa en Biomedicina Molecular y Red de Biotecnología, Instituto Politécnico Nacional, Mexico City, Mexico
| | - Horacio Astudillo-de la Vega
- Laboratorio de Investigación Traslacional en Cáncer y Terapia Celular, Hospital de Oncología, Centro Médico Nacional Siglo XXI, Instituto Mexicano del Seguro Social, Mexico City, Mexico
| | | | - César López-Camarillo
- Posgrado en Ciencias Genómicas, Universidad Autónoma de la Ciudad de México, Mexico City, Mexico
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Nasir A, Bullo MMH, Ahmed Z, Imtiaz A, Yaqoob E, Jadoon M, Ahmed H, Afreen A, Yaqoob S. Nutrigenomics: Epigenetics and cancer prevention: A comprehensive review. Crit Rev Food Sci Nutr 2019; 60:1375-1387. [PMID: 30729798 DOI: 10.1080/10408398.2019.1571480] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Due to change in lifestyle and food habits, people are more at risk of diet-related diseases and cancers. It is also established that dietary modifications significantly reduce the risk of diseases. Nutrigenomics is relatively fresh discipline, but possess an enormous potential that can apply for prevention and management of certain carcinomas and diseases. This review enables us to generate useful information for scientists and health professionals regarding the role of Nutrigenomics in the prevention of diet and lifestyle-related diseases like cancer. It influences health conditions of individuals and susceptibility of disease by defining the metabolic response and gene expression. Epigenetic modifications can perform a significant role in disease occurrence and pathogenesis. DNA methylation and chromatin remodeling are the most common epigenetic mechanisms. Omega 3 fatty acids are the best example of nutrients and gene interaction not involving DNA methylation while certain bioactive food compounds have a proven role in cancer prevention through an epigenetic mechanism. Dietary polyphenols substantially take part in prevention of oral, breast, skin, esophageal, colorectal, prostate, pancreatic and lung cancers. Moreover, minerals and vitamins involve regulatory processes. Zinc, Selenium and folate involve in DNA repairing process have anticancer properties. Consumption of multivitamins prevents methylation of cancer cells.
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Affiliation(s)
- Ayesha Nasir
- Department of Environmental Design Health & Nutritional Sciences, Allama Iqbal Open University, Islamabad, Pakistan.,Maroof international Hospital, Islamabad, Pakistan
| | - Mir M Hassan Bullo
- Department of Environmental Design Health & Nutritional Sciences, Allama Iqbal Open University, Islamabad, Pakistan.,Federal General Hospital, Islamabad, Pakistan
| | - Zaheer Ahmed
- Department of Environmental Design Health & Nutritional Sciences, Allama Iqbal Open University, Islamabad, Pakistan
| | - Aysha Imtiaz
- National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
| | - Eesha Yaqoob
- Department of Social Sciences, Peer Mehar Ali shah Arid Agriculture University, Rawalpindi, Pakistan
| | - Mahpara Jadoon
- Department of Environmental Design Health & Nutritional Sciences, Allama Iqbal Open University, Islamabad, Pakistan
| | - Hajra Ahmed
- Department of Environmental Design Health & Nutritional Sciences, Allama Iqbal Open University, Islamabad, Pakistan
| | - Asma Afreen
- Department of Environmental Design Health & Nutritional Sciences, Allama Iqbal Open University, Islamabad, Pakistan
| | - Sanabil Yaqoob
- College of food science and engineering, Jilin Agricultural University, Changchun, China
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Kalirajan R, Pandiselvi A, Gowramma B, Balachandran P. In-silico Design, ADMET Screening, MM-GBSA Binding Free Energy of Some Novel Isoxazole Substituted 9-Anilinoacridines as HER2 Inhibitors Targeting Breast Cancer. Curr Drug Res Rev 2019; 11:118-128. [PMID: 31513003 DOI: 10.2174/2589977511666190912154817] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Revised: 08/14/2019] [Accepted: 08/21/2019] [Indexed: 06/10/2023]
Abstract
BACKGROUND Human Epidermal development factor Receptor-2 (HER2) is a membrane tyrosine kinase which is overexpressed and gene amplified in human breast cancers. HER2 amplification and overexpression have been linked to important tumor cell proliferation and survival pathways for 20% of instances of breast cancer. 9-aminoacridines are significant DNA-intercalating agents because of their antiproliferative properties. OBJECTIVE Some novel isoxazole substituted 9-anilinoacridines(1a-z) were designed by in-silico technique for their HER2 inhibitory activity. Docking investigations of compounds 1a-z are performed against HER2 (PDB id-3PP0) by using Schrodinger suit 2016-2. METHODS Molecular docking study for the designed molecules 1a-z are performed by Glide module, in-silico ADMET screening by QikProp module and binding free energy by Prime-MMGBSA module of Schrodinger suit. The binding affinity of designed molecules 1a-z towards HER2 was chosen based on GLIDE score. RESULTS Many compounds showed good hydrophobic communications and hydrogen bonding associations to hinder HER2. The compounds 1a-z, aside from 1z have significant Glide scores in the scope of - 4.91 to - 10.59 when compared with the standard Ethacridine (- 4.23) and Tamoxifen (- 3.78). The in-silico ADMET properties are inside the suggested about drug likeness. MM-GBSA binding of the most intense inhibitor is positive. CONCLUSION The outcomes reveal that this study provides evidence for the consideration of isoxazole substituted 9-aminoacridine derivatives as potential HER2 inhibitors. The compounds, 1s,x,v,a,j,r with significant Glide scores may produce significant anti breast cancer activity and further in vitro and in vivo investigations may prove their therapeutic potential.
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Affiliation(s)
- Rajagopal Kalirajan
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, A Constituent College of JSS Academy of Higher Education & Research-(Deemed to be University), Udhagamandalam - 643001 (Tamilnadu), India
| | - Arumugasamy Pandiselvi
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, A Constituent College of JSS Academy of Higher Education & Research-(Deemed to be University), Udhagamandalam - 643001 (Tamilnadu), India
| | - Byran Gowramma
- Department of Pharmaceutical Chemistry, JSS College of Pharmacy, A Constituent College of JSS Academy of Higher Education & Research-(Deemed to be University), Udhagamandalam - 643001 (Tamilnadu), India
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de Melo FHM, Oliveira JS, Sartorelli VOB, Montor WR. Cancer Chemoprevention: Classic and Epigenetic Mechanisms Inhibiting Tumorigenesis. What Have We Learned So Far? Front Oncol 2018; 8:644. [PMID: 30627525 PMCID: PMC6309127 DOI: 10.3389/fonc.2018.00644] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2018] [Accepted: 12/07/2018] [Indexed: 12/21/2022] Open
Abstract
Cancers derive from step by step processes which are differentiated by the progressively accumulated mutations. For some tumors there is a clear progressive advancement from benign lesions to malignancy and for these, preventive screening programs exist. In such cases having those benign lesions are a clear indicator of predisposition while for some other cases, familial patterns of cancer incidence and the identification of mutations are the main indicators of higher risk for having the disease. For patients identified as having predisposition, chemoprevention is a goal and in some cases a possibility. Chemoprevention is the use of any compound, either natural or synthetic that abrogates carcinogenesis or tumor progression, through different mechanisms, some of which have already been described. For example, the classic mechanisms may involve activation of free radical scavenging enzymes, control of chronic inflammation, and downregulation of specific signaling pathways. More recently, epigenetics allowed further understanding of the chemopreventive potential of several agents, such as sulforaphane, green tea derived compounds, resveratrol, isoflavones, and others which we exploit in this review article. Throughout the text we discuss the properties compounds should have in order to be classified as chemopreventive ones and the challenges in translational research in this area, as lots of the success achieved in vitro cannot be translated into the clinical settings, due to several different drawbacks, which include toxicity, cost, dose definition, patient adherence, and regimen of use.
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Affiliation(s)
| | - Julia Salles Oliveira
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences (FCMSCSP), São Paulo, Brazil
| | | | - Wagner Ricardo Montor
- Department of Physiological Sciences, Santa Casa de São Paulo School of Medical Sciences (FCMSCSP), São Paulo, Brazil
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Uramova S, Kubatka P, Dankova Z, Kapinova A, Zolakova B, Samec M, Zubor P, Zulli A, Valentova V, Kwon TK, Solar P, Kello M, Kajo K, Busselberg D, Pec M, Danko J. Plant natural modulators in breast cancer prevention: status quo and future perspectives reinforced by predictive, preventive, and personalized medical approach. EPMA J 2018; 9:403-419. [PMID: 30538792 DOI: 10.1007/s13167-018-0154-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2018] [Accepted: 10/25/2018] [Indexed: 12/21/2022]
Abstract
In contrast to the genetic component in mammary carcinogenesis, epigenetic alterations are particularly important for the development of sporadic breast cancer (BC) comprising over 90% of all BC cases worldwide. Most of the DNA methylation processes are physiological and essential for human cellular and tissue homeostasis, playing an important role in a number of key mechanisms. However, if dysregulated, DNA methylation contributes to pathological processes such as cancer development and progression. A global hypomethylation of oncogenes and hypermethylation of tumor-suppressor genes are characteristic of most cancer types. Moreover, histone chemical modifications and non-coding RNA-associated multi-gene controls are considered as the key epigenetic mechanisms governing the cellular homeostasis and differentiation states. A number of studies demonstrate dietary plant products as actively affecting the development and progression of cancer. "Nutri-epigenetics" focuses on the influence of dietary agents on epigenetic mechanisms. This approach has gained considerable attention; since in contrast to genetic alterations, epigenetic modifications are reversible affect early carcinogenesis. Currently, there is an evident lack of papers dedicated to the phytochemicals/plant extracts as complex epigenetic modulators, specifically in BC. Our paper highlights the role of plant natural compounds in targeting epigenetic alterations associated with BC development, progression, as well as its potential chemoprevention in the context of preventive medicine. Comprehensive measures are stated with a great potential to advance the overall BC management in favor of predictive, preventive, and personalized medical services and can be considered as "proof-of principle" model, for their potential application to other multifactorial diseases.
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Affiliation(s)
- Sona Uramova
- 1Department of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Peter Kubatka
- 2Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Mala Hora 4, 036 01 Martin, Slovakia.,3Division of Oncology, Biomedical Center Martin, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Zuzana Dankova
- 3Division of Oncology, Biomedical Center Martin, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Andrea Kapinova
- 3Division of Oncology, Biomedical Center Martin, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Barbora Zolakova
- 3Division of Oncology, Biomedical Center Martin, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Marek Samec
- 1Department of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Pavol Zubor
- 1Department of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
| | - Anthony Zulli
- 4Institute for Health and Sport (IHES), Victoria University, Melbourne, Australia
| | | | - Taeg Kyu Kwon
- 6Department of Immunology, School of Medicine, Keimyung University, Daegu, South Korea
| | - Peter Solar
- 7Department of Medical Biology, Faculty of Medicine, P.J. Šafárik University, Košice, Slovakia
| | - Martin Kello
- 8Department of Pharmacology, Faculty of Medicine, P.J. Šafárik University, Košice, Slovakia
| | - Karol Kajo
- Department of Pathology, St. Elisabeth Oncology Institute, Bratislava, Slovakia
| | - Dietrich Busselberg
- 10Qatar Foundation, Weill Cornell Medical College in Qatar, Education City, Doha Qatar
| | - Martin Pec
- 2Department of Medical Biology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Mala Hora 4, 036 01 Martin, Slovakia
| | - Jan Danko
- 1Department of Obstetrics and Gynecology, Jessenius Faculty of Medicine, Comenius University in Bratislava, Martin, Slovakia
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Xie W, Ge X, Li L, Yao A, Wang X, Li M, Gong X, Chu Z, Lu Z, Huang X, Jiao Y, Wang Y, Xiao M, Chen H, Xiang W, Yao P. Resveratrol ameliorates prenatal progestin exposure-induced autism-like behavior through ERβ activation. Mol Autism 2018; 9:43. [PMID: 30123446 PMCID: PMC6090838 DOI: 10.1186/s13229-018-0225-5] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Accepted: 07/19/2018] [Indexed: 12/11/2022] Open
Abstract
Background Recent literatures indicate that maternal hormone exposure is a risk factor for autism spectrum disorder (ASD). We hypothesize that prenatal progestin exposure may counteract the neuroprotective effect of estrogen and contribute to ASD development, and we aim to develop a method to ameliorate prenatal progestin exposure-induced autism-like behavior. Methods Experiment 1: Prenatal progestin exposure-induced offspring are treated with resveratrol (RSV) through either prenatal or postnatal exposure and then used for autism-like behavior testing and other biomedical analyses. Experiment 2: Prenatal norethindrone (NET) exposure-induced offspring are treated with ERβ knockdown lentivirus together with RSV for further testing. Experiment 3: Pregnant dams are treated with prenatal NET exposure together with RSV, and the offspring are used for further testing. Results Eight kinds of clinically relevant progestins were used for prenatal exposure in pregnant dams, and the offspring showed decreased ERβ expression in the amygdala with autism-like behavior. Oral administration of either postnatal or prenatal RSV treatment significantly reversed this effect with ERβ activation and ameliorated autism-like behavior. Further investigation showed that RSV activates ERβ and its target genes by demethylation of DNA and histone on the ERβ promoter, and then minimizes progestin-induced oxidative stress as well as the dysfunction of mitochondria and lipid metabolism in the brain, subsequently ameliorating autism-like behavior. Conclusions We conclude that resveratrol ameliorates prenatal progestin exposure-induced autism-like behavior through ERβ activation. Our data suggest that prenatal progestin exposure is a strong risk factor for autism-like behavior. Many potential clinical progestin applications, including oral contraceptive pills, preterm birth drugs, and progestin-contaminated drinking water or seafood, may be risk factors for ASD. In addition, RSV may be a good candidate for clinically rescuing or preventing ASD symptoms in humans, while high doses of resveratrol used in the animals may be a potential limitation for human application.
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Affiliation(s)
- Weiguo Xie
- 1Institute of Rehabilitation Center, Tongren Hospital of Wuhan University, Wuhan, 430060 People's Republic of China
| | - Xiaohu Ge
- SALIAI Stem Cell Institute of Guangdong, Guangzhou SALIAI Stem Cell Science and Technology Co. LTD, Guangzhou, 510055 People's Republic of China
| | - Ling Li
- 3Department of Pediatrics, Hainan Maternal and Child Health Hospital, Haikou, 570206 People's Republic of China
| | - Athena Yao
- 1Institute of Rehabilitation Center, Tongren Hospital of Wuhan University, Wuhan, 430060 People's Republic of China
| | - Xiaoyan Wang
- SALIAI Stem Cell Institute of Guangdong, Guangzhou SALIAI Stem Cell Science and Technology Co. LTD, Guangzhou, 510055 People's Republic of China
| | - Min Li
- 1Institute of Rehabilitation Center, Tongren Hospital of Wuhan University, Wuhan, 430060 People's Republic of China
| | - Xiang Gong
- 1Institute of Rehabilitation Center, Tongren Hospital of Wuhan University, Wuhan, 430060 People's Republic of China
| | - Zhigang Chu
- 1Institute of Rehabilitation Center, Tongren Hospital of Wuhan University, Wuhan, 430060 People's Republic of China
| | - Zhe Lu
- 3Department of Pediatrics, Hainan Maternal and Child Health Hospital, Haikou, 570206 People's Republic of China
| | - Xiaodong Huang
- 1Institute of Rehabilitation Center, Tongren Hospital of Wuhan University, Wuhan, 430060 People's Republic of China
| | - Yun Jiao
- 3Department of Pediatrics, Hainan Maternal and Child Health Hospital, Haikou, 570206 People's Republic of China
| | - Yifei Wang
- SALIAI Stem Cell Institute of Guangdong, Guangzhou SALIAI Stem Cell Science and Technology Co. LTD, Guangzhou, 510055 People's Republic of China
| | - Meifang Xiao
- 3Department of Pediatrics, Hainan Maternal and Child Health Hospital, Haikou, 570206 People's Republic of China
| | - Haijia Chen
- SALIAI Stem Cell Institute of Guangdong, Guangzhou SALIAI Stem Cell Science and Technology Co. LTD, Guangzhou, 510055 People's Republic of China
| | - Wei Xiang
- 3Department of Pediatrics, Hainan Maternal and Child Health Hospital, Haikou, 570206 People's Republic of China
| | - Paul Yao
- 1Institute of Rehabilitation Center, Tongren Hospital of Wuhan University, Wuhan, 430060 People's Republic of China.,3Department of Pediatrics, Hainan Maternal and Child Health Hospital, Haikou, 570206 People's Republic of China
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Donovan MG, Selmin OI, Romagnolo DF. Aryl Hydrocarbon Receptor Diet and Breast Cancer Risk. THE YALE JOURNAL OF BIOLOGY AND MEDICINE 2018; 91:105-127. [PMID: 29962921 PMCID: PMC6020732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
Breast cancer is the most common type of cancer and leading cause of cancer mortality among women worldwide. However, the majority of breast malignancies are of sporadic etiology. Therefore, identifying risk-mitigating factors may significantly decrease the burden of breast cancer. Diet can have both a predisposing and protective role in breast tumorigenesis. However, establishing efficacy of dietary constituents for cancer prevention has been limited by suboptimal dietary assessment. There is a need to acquire new experimental evidence that can be used to discriminate beneficial from harmful dietary constituents. The aryl hydrocarbon receptor (AhR) is a ligand-activated transcription factor that is recognized as the mediator of halogenated and polycyclic aromatic hydrocarbon toxicities. Importantly, evidence points to a breast tumor-promoting role for the AhR. Preclinical and clinical studies suggest that the AhR is overexpressed in advanced and triple negative breast cancers. Several dietary constituents, namely flavonoid compounds, have demonstrated inhibitory effects on AhR activation. Given this background, in this paper we elaborate on the working hypothesis that a diet rich in AhR food agonists favors breast tumor development, whereas a diet rich in AhR food antagonists is protective. As an initial approach to developing an AhR diet hypothesis, we conducted a review of published studies reporting on the association between intake of AhR inhibitory foods and risk of breast cancer. To assist the reader with interpretation of the concepts leading to the AhR diet hypothesis, we have preceded this review with an overview of AhR biology and its role in breast cancer development.
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Affiliation(s)
- Micah G. Donovan
- The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ
| | - Ornella I. Selmin
- The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ,Department of Nutritional Sciences, University of Arizona, Tucson, AZ
| | - Donato F. Romagnolo
- The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ,Department of Nutritional Sciences, University of Arizona, Tucson, AZ,To whom all correspondence should be addressed: Donato F. Romagnolo, The University of Arizona Cancer Center, Room 3999A, The University of Arizona, Tucson, AZ, USA; Tel: 520-626-9751; Fax: 520-621-9446.
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Xue P, Fu J, Zhou Y. The Aryl Hydrocarbon Receptor and Tumor Immunity. Front Immunol 2018; 9:286. [PMID: 29487603 PMCID: PMC5816799 DOI: 10.3389/fimmu.2018.00286] [Citation(s) in RCA: 90] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2017] [Accepted: 01/31/2018] [Indexed: 01/31/2023] Open
Abstract
The aryl hydrocarbon receptor (AhR) is an important cytosolic, ligand-dependent transcription factor. Emerging evidence suggests the promoting role of the AhR in the initiation, promotion, progression, invasion, and metastasis of cancer cells. Studies on various tumor types and tumor cell lines have shown high AhR expression, suggesting that AhR is activated constitutively in tumors and facilitates their growth. Interestingly, immune evasion has been recognized as an emerging hallmark feature of cancer. A connection between the AhR and immune system has been recognized, which has been suggested as an immunosuppressive effector on different types of immune cells. Certain cancers can escape immune recognition via AhR signaling pathways. This review discusses the role of the AhR in tumor immunity and its potential mechanism of action in the tumor microenvironment.
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Affiliation(s)
- Ping Xue
- Children's Hospital and Institute of Biomedical Sciences, Fudan University, Shanghai, China
| | - Jinrong Fu
- Children's Hospital and Institute of Biomedical Sciences, Fudan University, Shanghai, China
| | - Yufeng Zhou
- Children's Hospital and Institute of Biomedical Sciences, Fudan University, Shanghai, China.,Key Laboratory of Neonatal Diseases, Ministry of Health, Shanghai, China
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43
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Lee PS, Chiou YS, Ho CT, Pan MH. Chemoprevention by resveratrol and pterostilbene: Targeting on epigenetic regulation. Biofactors 2018; 44:26-35. [PMID: 29220106 DOI: 10.1002/biof.1401] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2017] [Revised: 10/28/2017] [Accepted: 11/10/2017] [Indexed: 12/31/2022]
Abstract
Epigenetic mechanisms are essential in regulating normal cellular functions and play an important role during the disease developmental stages. However, aberrant epigenetic mechanisms may lead to pathological consequences such as cancer, neurological disorders, bone and skeletal diseases, cardiovascular dysfunction, and metabolic syndrome. The molecular mechanisms of epigenetic modification include DNA methylation, histone modification (acetylation, methylation and phosphorylation), and microRNAs (miRNAs). Unlike genetic modifications, epigenetic states of genes are reversible and can be altered by certain intrinsic and extrinsic factors. In the past few decades, accumulated evidence shows that dietary phytochemicals with chemopreventive effects are also potent epigenetic regulators. Resveratrol and pterostilbene are stilbenoids, which have been reported to have anti-cancer, anti-inflammatory, anti-lipid, and anti-diabetic properties. Stilbenoids are also reported to improve cardiovascular disease. By altering DNA methylation and histone modification or by modulating miRNA expression, resveratrol, and pterostilbene become potent epigenetic modifiers. In this review, we summarize these studies and underlying mechanisms of resveratrol and pterostilbene and their influence on epigenetic mechanisms. © 2017 BioFactors, 44(1):26-35, 2018.
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Affiliation(s)
- Pei-Sheng Lee
- Institute of Food Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Yi-Shiou Chiou
- Institute of Food Science and Technology, National Taiwan University, Taipei, Taiwan
| | - Chi-Tang Ho
- Department of Food Science, Rutgers University, New Brunswick, NJ, USA
| | - Min-Hsiung Pan
- Institute of Food Science and Technology, National Taiwan University, Taipei, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung, Taiwan
- Department of Health and Nutrition Biotechnology, Asia University, Taichung, Taiwan
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Romagnolo DF, Daniels KD, Grunwald JT, Ramos SA, Propper CR, Selmin OI. Epigenetics of breast cancer: Modifying role of environmental and bioactive food compounds. Mol Nutr Food Res 2017; 60:1310-29. [PMID: 27144894 DOI: 10.1002/mnfr.201501063] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2015] [Revised: 04/24/2016] [Accepted: 04/26/2016] [Indexed: 12/12/2022]
Abstract
SCOPE Reduced expression of tumor suppressor genes (TSG) increases the susceptibility to breast cancer. However, only a small percentage of breast tumors is related to family history and mutational inactivation of TSG. Epigenetics refers to non-mutational events that alter gene expression. Endocrine disruptors found in foods and drinking water may disrupt epigenetically hormonal regulation and increase breast cancer risk. This review centers on the working hypothesis that agonists of the aromatic hydrocarbon receptor (AHR), bisphenol A (BPA), and arsenic compounds, induce in TSG epigenetic signatures that mirror those often seen in sporadic breast tumors. Conversely, it is hypothesized that bioactive food components that target epigenetic mechanisms protect against sporadic breast cancer induced by these disruptors. METHODS AND RESULTS This review highlights (i) overlaps between epigenetic signatures placed in TSG by AHR-ligands, BPA, and arsenic with epigenetic alterations associated with sporadic breast tumorigenesis; and (ii) potential opportunities for the prevention of sporadic breast cancer with food components that target the epigenetic machinery. CONCLUSIONS Characterizing the overlap between epigenetic signatures elicited in TSG by endocrine disruptors with those observed in sporadic breast tumors may afford new strategies for breast cancer prevention with specific bioactive food components or diet.
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Affiliation(s)
- Donato F Romagnolo
- Department of Nutritional Sciences, The University of Arizona, Tucson, AZ, USA.,The University of Arizona Cancer Center, Tucson, AZ, USA
| | - Kevin D Daniels
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA
| | - Jonathan T Grunwald
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA
| | - Stephan A Ramos
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA
| | - Catherine R Propper
- Department of Biological Sciences, Northern Arizona University, Flagstaff, AZ, USA
| | - Ornella I Selmin
- Department of Nutritional Sciences, The University of Arizona, Tucson, AZ, USA.,The University of Arizona Cancer Center, Tucson, AZ, USA
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Fernandes GFS, Silva GDB, Pavan AR, Chiba DE, Chin CM, Dos Santos JL. Epigenetic Regulatory Mechanisms Induced by Resveratrol. Nutrients 2017; 9:nu9111201. [PMID: 29104258 PMCID: PMC5707673 DOI: 10.3390/nu9111201] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Revised: 09/05/2017] [Accepted: 09/18/2017] [Indexed: 12/11/2022] Open
Abstract
Resveratrol (RVT) is one of the main natural compounds studied worldwide due to its potential therapeutic use in the treatment of many diseases, including cancer, diabetes, cardiovascular diseases, neurodegenerative diseases and metabolic disorders. Nevertheless, the mechanism of action of RVT in all of these conditions is not completely understood, as it can modify not only biochemical pathways but also epigenetic mechanisms. In this paper, we analyze the biological activities exhibited by RVT with a focus on the epigenetic mechanisms, especially those related to DNA methyltransferase (DNMT), histone deacetylase (HDAC) and lysine-specific demethylase-1 (LSD1).
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Affiliation(s)
- Guilherme Felipe Santos Fernandes
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800903 Araraquara, Brazil.
- Institute of Chemistry, São Paulo State University (UNESP), 14800060 Araraquara, Brazil.
| | | | - Aline Renata Pavan
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800903 Araraquara, Brazil.
| | - Diego Eidy Chiba
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800903 Araraquara, Brazil.
| | - Chung Man Chin
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800903 Araraquara, Brazil.
| | - Jean Leandro Dos Santos
- School of Pharmaceutical Sciences, São Paulo State University (UNESP), 14800903 Araraquara, Brazil.
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Epigenetic modifications of gene expression by lifestyle and environment. Arch Pharm Res 2017; 40:1219-1237. [PMID: 29043603 DOI: 10.1007/s12272-017-0973-3] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Accepted: 10/12/2017] [Indexed: 12/21/2022]
Abstract
Epigenetics oftenly described as the heritable changes in gene expression independent of changes in DNA sequence. Various environmental factors such as nutrition-dietary components, lifestyle, exercise, physical activity, toxins, and other contributing factors remodel the genome either in a constructive or detrimental way. Since epigenetic changes are reversible and nutrition is one of the many epigenetic regulators that modify gene expression without changing the DNA sequence, dietary nutrients and bioactive food components contribute to epigenetic phenomena either by directly suppressing DNA methylation or histone catalyzing enzymes or by changing the availability of substrates required for enzymatic reactions. Diets that contain catechol-dominant polyphenols are reported to suppress enzyme activity and activate epigenetically silenced genes. Furthermore, several dietary nutrients play a crucial role in one-carbon metabolism including folate, cobalamin, riboflavin, pyridoxine, and methionine by directly affecting S-adenosyl-L-methionine. Soy polyphenols block DNA methyltransferases and histone deacetylases to reverse aberrant CpG island methylation. Organosulfur rich compounds such as the sulforaphane found in broccoli appear to normalize DNA methylation and activate miR-140 expression, which represses SOX9 and ALDH1 and decreases tumor growth. The purpose of this short communication is to overview the epigenetic regulatory mechanisms of diet and other environmental factors. We discuss the epigenetic contributions of dietary components with a particular focus on nutritional polyphenols and flavonoids as epigenetic mediators that modify epigenetic tags and control gene expression. These mechanisms provide new insights to better understand the influence of dietary nutrients on epigenetic modifications and gene expression.
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Sgarbieri VC, Pacheco MTB. Premature or pathological aging: longevity. BRAZILIAN JOURNAL OF FOOD TECHNOLOGY 2017. [DOI: 10.1590/1981-6723.19416] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Abstract The main objective of this literature review was to summarize and characterize the main factors and events that may negatively influence quality of life and human longevity. The factors that act on premature aging processes are essentially the same as those of natural or healthy aging, but in a more intense and uncontrolled manner. Such factors are: 1) genetic (genome); 2) metabolic (metabolome); 3) environmental (life conditions and style, including diet). Factors 1 and 2 are more difficult to control by individuals; once depending on socioeconomic, cultural and educational conditions. Differently of environmental factors that may be totally controlled by individuals. Unfamiliarity with these factors leads to chronic and/or degenerative diseases that compromise quality of life and longevity.
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Braicu C, Mehterov N, Vladimirov B, Sarafian V, Nabavi SM, Atanasov AG, Berindan-Neagoe I. Nutrigenomics in cancer: Revisiting the effects of natural compounds. Semin Cancer Biol 2017; 46:84-106. [PMID: 28676460 DOI: 10.1016/j.semcancer.2017.06.011] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Revised: 06/04/2017] [Accepted: 06/23/2017] [Indexed: 01/06/2023]
Abstract
Nutrigenomics effects have an important role in the manipulation of dietary components for human benefit, particularly in cancer prevention or treatment. The impact of dietary components, including phytochemicals, is largely studied by nutrigenomics, looking at the gene expression and molecular mechanisms interacting with bioactive compounds and nutrients, based on new 'omics' technologies. The high number of preclinical studies proves the relevant role of nutrigenomics in cancer management. By deciphering the network of nutrient-gene connections associated with cancer, relevant data will be transposed as therapeutic interventions for this devastating pathology and for fulfilling the concept of personalized nutrition. All these are presented under the nutrigenomics canopy for a better comprehension of the relation between ingested phytochemicals and chemoprevention or chemotherapy. The profits from the nutrigenomics progress, with a particular focus on the coding and noncoding genes related to the exposure of natural compounds need to be validated. A precise attention receives the evaluation of the role of natural compounds in tandem with conventional therapy using genomic approaches, with emphasis on the capacity to inhibit drug resistance mechanisms. All these relevant nutrigenomics aspects are summarized in the present review paper. It is concluded that further nutrigenomics studies are required to improve our understanding related to the complex mechanisms of action of the natural compounds and for their appropriate application as gears in cancer therapy.
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Affiliation(s)
- Cornelia Braicu
- Research Center for Functional Genomics and Translational Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, 23 Marinescu Street, 40015 Cluj-Napoca, Romania
| | - Nikolay Mehterov
- Department of Medical Biology, Faculty of Medicine, Medical University-Plovdiv, 15-А Vassil Aprilov Blvd., Plovdiv 4000, Bulgaria; Technological Center for Emergency Medicine, 15-А Vassil Aprilov Blvd., Plovdiv 4000, Bulgaria; Center of Plant Systems Biology and Biotechnology, 139, Ruski Blvd., Plovdiv 4000, Bulgaria
| | - Boyan Vladimirov
- Department of Maxillofacial Surgery, Faculty of Dental Medicine, Medical University-Plovdiv, 3 Hristo Botev Blvd., Plovdiv 4000, Bulgaria; Clinic of Maxillofacial Surgery, University Hospital St. George, 66 Peshtersko Shosse Blvd., Plovdiv 4002, Bulgaria
| | - Victoria Sarafian
- Department of Medical Biology, Faculty of Medicine, Medical University-Plovdiv, 15-А Vassil Aprilov Blvd., Plovdiv 4000, Bulgaria; Technological Center for Emergency Medicine, 15-А Vassil Aprilov Blvd., Plovdiv 4000, Bulgaria
| | - Seyed Mohammad Nabavi
- Applied Biotechnology Research Center, Baqiyatallah University of Medical Sciences, Sheikh Bahaei St., P.O. Box 19395, 5487 Tehran, Iran
| | - Atanas G Atanasov
- Department of Pharmacognosy, University of Vienna, Althanstrasse 14, Vienna 1090, Austria; Institute of Genetics and Animal Breeding of the Polish Academy of Sciences, Postępu 36A Street, 05-552, Jastrzebiec, Poland; Department of Vascular Biology and Thrombosis Research, Center for Physiology and Pharmacology, Medical University of Vienna, 1090 Vienna, Austria.
| | - Ioana Berindan-Neagoe
- Research Center for Functional Genomics and Translational Medicine, "Iuliu Hatieganu" University of Medicine and Pharmacy, 23 Marinescu Street, 40015 Cluj-Napoca, Romania; MEDFUTURE -Research Center for Advanced Medicine, University of Medicine and Pharmacy Iuliu-Hatieganu, 23 Marinescu Street, 40015, Romania; Department of Functional Genomics and Experimental Pathology, The Oncology Institute "Prof. Dr. Ion Chiricuta", Republici 34 Street, 400015 Cluj-Napoca, Romania.
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Sharma VK, Kumar J, Singh DK, Mishra A, Verma SK, Gond SK, Kumar A, Singh N, Kharwar RN. Induction of Cryptic and Bioactive Metabolites through Natural Dietary Components in an Endophytic Fungus Colletotrichum gloeosporioides (Penz.) Sacc. Front Microbiol 2017; 8:1126. [PMID: 28674526 PMCID: PMC5474492 DOI: 10.3389/fmicb.2017.01126] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2017] [Accepted: 06/01/2017] [Indexed: 02/06/2023] Open
Abstract
Grape skin and turmeric extracts having the major components resveratrol and curcumin, respectively, were used for the induction of cryptic and bioactive metabolites in an endophytic fungus Colletotrichum gloeosporioides isolated from Syzygium cumini. The increase in total amount of crude compounds in grape skin and turmeric extract treated cultures was 272.48 and 174.32%, respectively, compared to the untreated control. Among six human pathogenic bacteria tested, the maximum inhibitory activity was found against Aeromonas hydrophila IMS/GN11 while no inhibitory activity was observed against Enterococcus faecalis IMS/GN7. The crude compounds derived from turmeric extract treated cultures showed the highest DPPH free radicals scavenging activity (86.46% inhibition) followed by compounds from grape skin treated cultures (11.80% inhibition) and the control cultures (1.92% inhibition). Both the treatments significantly (p ≤ 0.05) increased the antibacterial and antioxidant activities of crude metabolites compared to the control. HPLC profiling of crude compounds derived from grape skin and turmeric extract treated cultures revealed the presence of additional 20 and 14 cryptic compounds, respectively, compared to the control. These findings advocate the future use of such dietary components in induced production of cryptic and bioactive metabolites.
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Affiliation(s)
- Vijay K. Sharma
- Mycopathology and Microbial Technology Laboratory, Centre of Advanced Study in Botany, Department of Botany, Institute of Science, Banaras Hindu UniversityVaranasi, India
| | - Jitendra Kumar
- Mycopathology and Microbial Technology Laboratory, Centre of Advanced Study in Botany, Department of Botany, Institute of Science, Banaras Hindu UniversityVaranasi, India
| | - Dheeraj K. Singh
- Mycopathology and Microbial Technology Laboratory, Centre of Advanced Study in Botany, Department of Botany, Institute of Science, Banaras Hindu UniversityVaranasi, India
| | - Ashish Mishra
- Mycopathology and Microbial Technology Laboratory, Centre of Advanced Study in Botany, Department of Botany, Institute of Science, Banaras Hindu UniversityVaranasi, India
| | - Satish K. Verma
- Mycopathology and Microbial Technology Laboratory, Centre of Advanced Study in Botany, Department of Botany, Institute of Science, Banaras Hindu UniversityVaranasi, India
| | - Surendra K. Gond
- Botany Section, Mahila Maha Vidyalaya, Banaras Hindu UniversityVaranasi, India
| | - Anuj Kumar
- Department of Botany, Buddha PG CollegeKushinagar, India
| | - Namrata Singh
- Mycopathology and Microbial Technology Laboratory, Centre of Advanced Study in Botany, Department of Botany, Institute of Science, Banaras Hindu UniversityVaranasi, India
| | - Ravindra N. Kharwar
- Mycopathology and Microbial Technology Laboratory, Centre of Advanced Study in Botany, Department of Botany, Institute of Science, Banaras Hindu UniversityVaranasi, India,*Correspondence: Ravindra N. Kharwar,
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Romagnolo DF, Donovan MG, Papoutsis AJ, Doetschman TC, Selmin OI. Genistein Prevents BRCA1 CpG Methylation and Proliferation in Human Breast Cancer Cells with Activated Aromatic Hydrocarbon Receptor. Curr Dev Nutr 2017; 1:e000562. [PMID: 29955703 PMCID: PMC5998349 DOI: 10.3945/cdn.117.000562] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 03/02/2017] [Accepted: 05/19/2017] [Indexed: 01/11/2023] Open
Abstract
Background: Previous studies have suggested a causative role for agonists of the aromatic hydrocarbon receptor (AhR) in the etiology of breast cancer 1, early-onset (BRCA-1)-silenced breast tumors, for which prospects for treatment remain poor. Objectives: We investigated the regulation of BRCA1 by the soy isoflavone genistein (GEN) in human estrogen receptor α (ERα)-positive Michigan Cancer Foundation-7 (MCF-7) and ERα-negative sporadic University of Arizona Cell Culture-3199 (UACC-3199) breast cancer cells, respectively, with inducible and constitutively active AhR. Methods: In MCF-7 cells, we analyzed the dose- and time-dependent effects of GEN and (-)-epigallocatechin-3-gallate (EGCG) control, selected as prototype dietary DNA methyltransferase (DNMT) inhibitors, on BRCA-1 expression after AhR activation with 2,3,7,8-tetrachlorodibenzo-p-dioxin (TCDD) and in TCDD-washout experiments. We compared the effects of GEN and EGCG on BRCA1 cytosine-phosphate-guanine (CpG) methylation and cell proliferation. Controls for DNA methylation and proliferation were changes in expression of DNMT-1, cyclin D1, and p53, respectively. In UACC-3199 cells, we compared the effects of GEN and α-naphthoflavone (αNF; 7,8-benzoflavone), a synthetic flavone and AhR antagonist, on BRCA1 expression and CpG methylation, cyclin D1, and cell growth. Finally, we examined the effects of GEN and αNF on BRCA1, AhR-inducible cytochrome P450 (CYP)-1A1 (CYP1A1) and CYP1B1, and AhR mRNA expression. Results: In MCF-7 cells, GEN exerted dose- and time-dependent preventative effects against TCDD-dependent downregulation of BRCA-1. After TCDD washout, GEN rescued BRCA-1 protein expression while reducing DNMT-1 and cyclin D1. GEN and EGCG reduced BRCA1 CpG methylation and cell proliferation associated with increased p53. In UACC-3199 cells, GEN reduced BRCA1 and estrogen receptor-1 (ESR1) CpG methylation, cyclin D1, and cell growth while inducing BRCA-1 and CYP1A1. Conclusions: Results suggest preventative effects for GEN and EGCG against BRCA1 CpG methylation and downregulation in ERα-positive breast cancer cells with activated AhR. GEN and flavone antagonists of AhR may be useful for reactivation of BRCA1 and ERα via CpG demethylation in ERα-negative breast cancer cells harboring constitutively active AhR.
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Affiliation(s)
- Donato F Romagnolo
- Department of Nutritional Sciences, The University of Arizona, Tucson, AZ
- Department of The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ
| | - Micah G Donovan
- Department of Nutritional Sciences, The University of Arizona, Tucson, AZ
- Department of The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ
| | - Andreas J Papoutsis
- Department of Nutritional Sciences, The University of Arizona, Tucson, AZ
- Department of The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ
| | - Tom C Doetschman
- Department of Cellular and Molecular Medicine, The University of Arizona, Tucson, AZ
- Department of The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ
| | - Ornella I Selmin
- Department of Nutritional Sciences, The University of Arizona, Tucson, AZ
- Department of The University of Arizona Cancer Center, The University of Arizona, Tucson, AZ
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