1
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Li H, Liu H, Zhu D, Dou C, Gang B, Zhang M, Wan Z. Biological function molecular pathways and druggability of DNMT2/TRDMT1. Pharmacol Res 2024; 205:107222. [PMID: 38782147 DOI: 10.1016/j.phrs.2024.107222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 05/16/2024] [Accepted: 05/17/2024] [Indexed: 05/25/2024]
Abstract
5-methylcytosine (m5C) is among the most common epigenetic modification in DNA and RNA molecules, and plays an important role in the animal development and disease pathogenesis. Interestingly, unlike other m5C DNA methyltransferases (DNMTs), DNMT2/TRDMT1 has the double-substrate specificity and adopts a DNMT-similar catalytic mechanism to methylate RNA. Moreover, it is widely involved in a variety of physiological regulatory processes, such as the gene expression, precise protein synthesis, immune response, and disease occurrence. Thus, comprehending the epigenetic mechanism and function of DNMT2/TRDMT1 will probably provide new strategies to treat some refractory diseases. Here, we discuss recent studies on the spatiotemporal expression pattern and post-translational modifications of DNMT2/TRDMT1, and summarize the research advances in substrate characteristics, catalytic recognition mechanism, DNMT2/TRDMT1-related genes or proteins, pharmacological application, and inhibitor development. This review will shed light on the pharmacological design by targeting DNMT2/TRDMT1 to treat parasitic, viral and oncologic diseases.
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Affiliation(s)
- Huari Li
- Department of Biochemistry and Molecular Biology, College of Laboratory Medicine, Anhui Province Key Laboratory of Cancer Translational Medicine, and The First Affiliated Hospital of Bengbu Medical University, Bengbu Medical University, No.2600 Donghai Avenue, Bengbu, Anhui Province 233030, PR China; College of Veterinary Medicine, Huazhong Agricultural University, No.1 Shizishan Street, Wuhan, Hubei Province 430070, PR China.
| | - Huiru Liu
- Department of Biochemistry and Molecular Biology, College of Laboratory Medicine, Anhui Province Key Laboratory of Cancer Translational Medicine, and The First Affiliated Hospital of Bengbu Medical University, Bengbu Medical University, No.2600 Donghai Avenue, Bengbu, Anhui Province 233030, PR China
| | - Daiyun Zhu
- College of Veterinary Medicine, Huazhong Agricultural University, No.1 Shizishan Street, Wuhan, Hubei Province 430070, PR China; State Key Laboratory of Pathogen and Biosecurity, Beijing Institute of Microbiology and Epidemiology, Beijing 100071, PR China
| | - Chengli Dou
- Department of Biochemistry and Molecular Biology, College of Laboratory Medicine, Anhui Province Key Laboratory of Cancer Translational Medicine, and The First Affiliated Hospital of Bengbu Medical University, Bengbu Medical University, No.2600 Donghai Avenue, Bengbu, Anhui Province 233030, PR China
| | - Baocai Gang
- Department of Biochemistry and Molecular Biology, College of Laboratory Medicine, Anhui Province Key Laboratory of Cancer Translational Medicine, and The First Affiliated Hospital of Bengbu Medical University, Bengbu Medical University, No.2600 Donghai Avenue, Bengbu, Anhui Province 233030, PR China
| | - Mengjie Zhang
- Department of Biochemistry and Molecular Biology, College of Laboratory Medicine, Anhui Province Key Laboratory of Cancer Translational Medicine, and The First Affiliated Hospital of Bengbu Medical University, Bengbu Medical University, No.2600 Donghai Avenue, Bengbu, Anhui Province 233030, PR China
| | - Ziyu Wan
- Department of Biochemistry and Molecular Biology, College of Laboratory Medicine, Anhui Province Key Laboratory of Cancer Translational Medicine, and The First Affiliated Hospital of Bengbu Medical University, Bengbu Medical University, No.2600 Donghai Avenue, Bengbu, Anhui Province 233030, PR China
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2
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Ariyanto EF. The efficacy of botanical drugs in orchestrating epigenetic modifications for ameliorating metabolic disorders. Front Pharmacol 2024; 15:1366551. [PMID: 38645564 PMCID: PMC11026643 DOI: 10.3389/fphar.2024.1366551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2024] [Accepted: 03/22/2024] [Indexed: 04/23/2024] Open
Affiliation(s)
- Eko Fuji Ariyanto
- Department of Biomedical Sciences, Faculty of Medicine, Universitas Padjadjaran, Bandung, Indonesia
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3
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Lv N, Wang L, Zeng M, Wang Y, Yu B, Zeng W, Jiang X, Suo Y. Saponins as therapeutic candidates for atherosclerosis. Phytother Res 2024; 38:1651-1680. [PMID: 38299680 DOI: 10.1002/ptr.8128] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2023] [Revised: 12/25/2023] [Accepted: 01/06/2024] [Indexed: 02/02/2024]
Abstract
Drug development for atherosclerosis, the underlying pathological state of ischemic cardiovascular diseases, has posed a longstanding challenge. Saponins, classified as steroid or triterpenoid glycosides, have shown promising therapeutic potential in the treatment of atherosclerosis. Through an exhaustive examination of scientific literature spanning from May 2013 to May 2023, we identified 82 references evaluating 37 types of saponins in terms of their prospective impacts on atherosclerosis. These studies suggest that saponins have the potential to ameliorate atherosclerosis by regulating lipid metabolism, inhibiting inflammation, suppressing apoptosis, reducing oxidative stress, and modulating smooth muscle cell proliferation and migration, as well as regulating gut microbiota, autophagy, endothelial senescence, and angiogenesis. Notably, ginsenosides exhibit significant potential and manifest essential pharmacological attributes, including lipid-lowering, anti-inflammatory, anti-apoptotic, and anti-oxidative stress effects. This review provides a comprehensive examination of the pharmacological attributes of saponins in atherosclerosis, with particular emphasis on their role in the regulation of lipid metabolism regulation and anti-inflammatory effects. Thus, saponins may warrant further investigation as a potential therapy for atherosclerosis. However, due to various reasons such as low oral bioavailability, the clinical application of saponins in the treatment of atherosclerosis still needs further exploration.
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Affiliation(s)
- Nuan Lv
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Luming Wang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Miao Zeng
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yijing Wang
- School of Nursing, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Bin Yu
- School of Medical Technology, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Wenyun Zeng
- Oncology Department, Ganzhou people's hospital, Ganzhou, China
| | - Xijuan Jiang
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yanrong Suo
- Traditional Chinese Medicine Department, Ganzhou people's hospital, Ganzhou, China
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4
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Zhang L, Xia C, Yang Y, Sun F, Zhang Y, Wang H, Liu R, Yuan M. DNA methylation and histone post-translational modifications in atherosclerosis and a novel perspective for epigenetic therapy. Cell Commun Signal 2023; 21:344. [PMID: 38031118 PMCID: PMC10688481 DOI: 10.1186/s12964-023-01298-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 08/27/2023] [Indexed: 12/01/2023] Open
Abstract
Atherosclerosis, which is a vascular pathology characterized by inflammation and plaque build-up within arterial vessel walls, acts as the important cause of most cardiovascular diseases. Except for a lipid-depository and chronic inflammatory, increasing evidences propose that epigenetic modifications are increasingly associated with atherosclerosis and are of interest from both therapeutic and biomarker perspectives. The chronic progressive nature of atherosclerosis has highlighted atherosclerosis heterogeneity and the fact that specific cell types in the complex milieu of the plaque are, by far, not the only initiators and drivers of atherosclerosis. Instead, the ubiquitous effects of cell type are tightly controlled and directed by the epigenetic signature, which, in turn, is affected by many proatherogenic stimuli, including low-density lipoprotein, proinflammatory, and physical forces of blood circulation. In this review, we summarize the role of DNA methylation and histone post-translational modifications in atherosclerosis. The future research directions and potential therapy for the management of atherosclerosis are also discussed. Video Abstract.
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Affiliation(s)
- Liang Zhang
- Department of Cardiology, Xijing Hospital, Air Force Military Medical University, No. 127 Changle West Road, Xi'an, 710032, China
| | - Chenhai Xia
- Department of Cardiology, Xijing Hospital, Air Force Military Medical University, No. 127 Changle West Road, Xi'an, 710032, China
| | - Yongjun Yang
- Department of Cardiology, Xijing Hospital, Air Force Military Medical University, No. 127 Changle West Road, Xi'an, 710032, China
| | - Fangfang Sun
- Department of Cardiology, Xijing Hospital, Air Force Military Medical University, No. 127 Changle West Road, Xi'an, 710032, China
| | - Yu Zhang
- Department of Cardiology, Xijing Hospital, Air Force Military Medical University, No. 127 Changle West Road, Xi'an, 710032, China
| | - Huan Wang
- Department of Cardiology, Xijing Hospital, Air Force Military Medical University, No. 127 Changle West Road, Xi'an, 710032, China
| | - Rui Liu
- Department of Rehabilitation, Tangdu Hospital, Air Force Military Medical University, No. 1 Xinsi Road, Xi'an 710000, China.
| | - Ming Yuan
- Department of Cardiology, Xijing Hospital, Air Force Military Medical University, No. 127 Changle West Road, Xi'an, 710032, China.
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5
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Lewinska A, Adamczyk-Grochala J, Wnuk M. TRDMT1-mediated RNA C-5 methylation as a novel target in anticancer therapy. Biochim Biophys Acta Rev Cancer 2023; 1878:188964. [PMID: 37625528 DOI: 10.1016/j.bbcan.2023.188964] [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: 06/23/2023] [Revised: 07/18/2023] [Accepted: 08/01/2023] [Indexed: 08/27/2023]
Abstract
Affected landscape of RNA modifications is frequently observed in different cancer cells that can be associated with the development of cancer cell phenotypic traits such as sustained proliferation, migration and invasion, apoptosis resistance and metabolic reprograming. DNMT2/TRDMT1 5-methylcytosine methyltransferase, initially classified as DNA methyltransferase, can methylate both tRNA and mRNA promoting tRNA stability and proper protein synthesis, and orchestrating DNA damage response (DDR) and DNA stability, respectively. TRDMT1 is associated with cancer progression as its levels can be elevated and its mutations can be observed in a number of cancer types. TRDMT1 gene knockout (KO) can sensitize cancer cells of different origin to radiotherapy and chemotherapy. In the present review paper, based on literature data, the physiological and pathophysiological roles of TRDMT1 in different biological systems are described with the emphasis on human normal and cancer cells. Potential TRDMT1 substrates, inhibitors and regulatory mechanisms of catalytic activity and cellular localization are also presented and evaluated. TRDMT1 as a novel promising target in anticancer therapy is proposed and discussed.
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Affiliation(s)
- Anna Lewinska
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland.
| | - Jagoda Adamczyk-Grochala
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland
| | - Maciej Wnuk
- Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland.
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Wiciński M, Erdmann J, Nowacka A, Kuźmiński O, Michalak K, Janowski K, Ohla J, Biernaciak A, Szambelan M, Zabrzyński J. Natural Phytochemicals as SIRT Activators-Focus on Potential Biochemical Mechanisms. Nutrients 2023; 15:3578. [PMID: 37630770 PMCID: PMC10459499 DOI: 10.3390/nu15163578] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 08/04/2023] [Accepted: 08/09/2023] [Indexed: 08/27/2023] Open
Abstract
Sirtuins are a family of proteins with enzymatic activity. There are seven mammalian sirtuins (SIRT1-SIRT7) that are found in different cellular compartments. They are a part of crucial cellular pathways and are regulated by many factors, such as chemicals, environmental stress, and phytochemicals. Several in vitro and in vivo studies have presented their involvement in anti-inflammatory, antioxidant, and antiapoptotic processes. Recent findings imply that phytochemicals such as resveratrol, curcumin, quercetin, fisetin, berberine, and kaempferol may regulate the activity of sirtuins. Resveratrol mainly activates SIRT1 and indirectly activates AMPK. Curcumin influences mainly SIRT1 and SIRT3, but its activity is broad, and many pathways in different cells are affected. Quercetin mainly modulates SIRT1, which triggers antioxidant and antiapoptotic responses. Fisetin, through SIRT1 regulation, modifies lipid metabolism and anti-inflammatory processes. Berberine has a wide spectrum of effects and a significant impact on SIRT1 signaling pathways. Finally, kaempferol triggers anti-inflammatory and antioxidant effects through SIRT1 induction. This review aims to summarize recent findings on the properties of phytochemicals in the modulation of sirtuin activity, with a particular focus on biochemical aspects.
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Affiliation(s)
- Michał Wiciński
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie 9, 85-090 Bydgoszcz, Poland (K.M.)
| | - Jakub Erdmann
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie 9, 85-090 Bydgoszcz, Poland (K.M.)
| | - Agnieszka Nowacka
- Department of Neurosurgery, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie 9, 85-090 Bydgoszcz, Poland
| | - Oskar Kuźmiński
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie 9, 85-090 Bydgoszcz, Poland (K.M.)
| | - Klaudia Michalak
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie 9, 85-090 Bydgoszcz, Poland (K.M.)
| | - Kacper Janowski
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie 9, 85-090 Bydgoszcz, Poland (K.M.)
| | - Jakub Ohla
- Department of Orthopaedics and Traumatology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, 85-090 Bydgoszcz, Poland
| | - Adrian Biernaciak
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie 9, 85-090 Bydgoszcz, Poland (K.M.)
| | - Monika Szambelan
- Department of Pharmacology and Therapeutics, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, M. Curie 9, 85-090 Bydgoszcz, Poland (K.M.)
| | - Jan Zabrzyński
- Department of Orthopaedics and Traumatology, Faculty of Medicine, Collegium Medicum in Bydgoszcz, Nicolaus Copernicus University, 85-090 Bydgoszcz, Poland
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7
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Zabek T, Szmatola T, Adamczyk-Grochala J, Lewinska A, Wnuk M. Knockout of TRDMT1 methyltransferase affects DNA methylome in glioblastoma cells. J Neurooncol 2023; 163:61-69. [PMID: 37169948 DOI: 10.1007/s11060-023-04304-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 03/27/2023] [Indexed: 05/13/2023]
Abstract
PURPOSE We have previously shown that TRDMT1 methyltransferase is a regulator of chemotherapy-associated responses in glioblastoma cells. Despite the fact that glioblastoma, a common and malignant brain tumor, is widely characterized in terms of genetic and epigenetic markers, there are no data on TRDMT1-related changes in 5-methylcytosine pools in the genome. In the present study, the effect of TRDMT1 gene knockout (KO) on DNA methylome was analyzed. METHODS CRISPR-based approach was used to obtain TRDMT1 KO glioblastoma cells. Total 5-methylcytosine levels in DNA, DNMT1 pools and DNMT activity were studied using ELISA. Reduced representation bisulfite sequencing (RRBS) was considered to comprehensively evaluate DNA methylome in glioblastoma cells with TRDMT1 KO. RESULTS TRDMT1 KO cells were characterized by decreased levels of total 5-methylcytosine in DNA and DNMT1, and DNMT activity. RRBS-based methylome analysis revealed statistically significant differences in methylation-relevant DMS-linked genes in control cells compared to TRDMT1 KO cells. TRDMT1 KO-associated changes in DNA methylome may affect the activity of several processes and pathways such as telomere maintenance, cell cycle and longevity regulating pathway, proteostasis, DNA and RNA biology. CONCLUSIONS TRDMT1 may be suggested as a novel modulator of gene expression by changes in DNA methylome that may affect cancer cell fates during chemotherapy. We postulate that the levels and mutation status of TRDMT1 should be considered as a prognostic marker and carefully monitored during glioblastoma progression.
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Affiliation(s)
- Tomasz Zabek
- Department of Animal Molecular Biology, National Research Institute of Animal Production, Krakowska 1, 32-083, Balice, Poland
| | - Tomasz Szmatola
- Department of Animal Molecular Biology, National Research Institute of Animal Production, Krakowska 1, 32-083, Balice, Poland
- Center for Experimental and Innovative Medicine, The University of Agriculture in Krakow, Redzina 1C, 30 248, Krakow, Poland
| | - Jagoda Adamczyk-Grochala
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Nature Sciences, University of Rzeszow, Pigonia 1, 35-310, Rzeszow, Poland
| | - Anna Lewinska
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Nature Sciences, University of Rzeszow, Pigonia 1, 35-310, Rzeszow, Poland
| | - Maciej Wnuk
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Nature Sciences, University of Rzeszow, Pigonia 1, 35-310, Rzeszow, Poland.
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8
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Adamczyk-Grochala J, Bloniarz D, Zielinska K, Lewinska A, Wnuk M. DNMT2/TRDMT1 gene knockout compromises doxorubicin-induced unfolded protein response and sensitizes cancer cells to ER stress-induced apoptosis. Apoptosis 2023; 28:166-185. [PMID: 36273376 PMCID: PMC9950192 DOI: 10.1007/s10495-022-01779-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/28/2022] [Indexed: 11/26/2022]
Abstract
The acidic, hypoxic and nutrient-deprived tumor microenvironment may induce endoplasmic reticulum (ER) stress and the unfolded protein response (UPR) may exert an important cytoprotective role by promoting folding of newly synthesized proteins and cancer cell survival. The lack of DNMT2/TRDMT1 methyltransferase-mediated C38 tRNA methylation compromises translational fidelity that may result in the accumulation of misfolded and aggregated proteins leading to proteotoxic stress-related cell death. In the present study, DNMT2/TRDMT1 gene knockout-mediated effects were investigated during doxorubicin (DOX)-induced ER stress and PERK-, IRE1- and ATF6-orchestrated UPR in four genetically different cellular models of cancer (breast and cervical cancer, osteosarcoma and glioblastoma cells). Upon DOX stimulation, DNMT2/TRDMT1 gene knockout impaired PERK activation and modulated NSUN and 5-methylcytosine RNA-based responses and microRNA profiles. The lack of DNMT2/TRDMT1 gene in DOX-treated four cancer cell lines resulted in decreased levels of four microRNAs, namely, miR-23a-3p, miR-93-5p, miR-125a-5p and miR-191-5p involved in the regulation of several pathways such as ubiquitin-mediated proteolysis, amino acid degradation and translational misregulation in cancer. We conclude that DNMT2/TRDMT1 gene knockout, at least in selected cellular cancer models, affects adaptive responses associated with protein homeostasis networks that during prolonged ER stress may result in increased sensitivity to apoptotic cell death.
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Affiliation(s)
- Jagoda Adamczyk-Grochala
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310, Rzeszow, Poland
| | - Dominika Bloniarz
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310, Rzeszow, Poland
| | - Klaudia Zielinska
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310, Rzeszow, Poland
| | - Anna Lewinska
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310, Rzeszow, Poland.
| | - Maciej Wnuk
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Pigonia 1, 35-310, Rzeszow, Poland.
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9
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Jiao L, Liu Y, Yu XY, Pan X, Zhang Y, Tu J, Song YH, Li Y. Ribosome biogenesis in disease: new players and therapeutic targets. Signal Transduct Target Ther 2023; 8:15. [PMID: 36617563 PMCID: PMC9826790 DOI: 10.1038/s41392-022-01285-4] [Citation(s) in RCA: 49] [Impact Index Per Article: 49.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 12/01/2022] [Accepted: 12/08/2022] [Indexed: 01/10/2023] Open
Abstract
The ribosome is a multi-unit complex that translates mRNA into protein. Ribosome biogenesis is the process that generates ribosomes and plays an essential role in cell proliferation, differentiation, apoptosis, development, and transformation. The mTORC1, Myc, and noncoding RNA signaling pathways are the primary mediators that work jointly with RNA polymerases and ribosome proteins to control ribosome biogenesis and protein synthesis. Activation of mTORC1 is required for normal fetal growth and development and tissue regeneration after birth. Myc is implicated in cancer development by enhancing RNA Pol II activity, leading to uncontrolled cancer cell growth. The deregulation of noncoding RNAs such as microRNAs, long noncoding RNAs, and circular RNAs is involved in developing blood, neurodegenerative diseases, and atherosclerosis. We review the similarities and differences between eukaryotic and bacterial ribosomes and the molecular mechanism of ribosome-targeting antibiotics and bacterial resistance. We also review the most recent findings of ribosome dysfunction in COVID-19 and other conditions and discuss the consequences of ribosome frameshifting, ribosome-stalling, and ribosome-collision. We summarize the role of ribosome biogenesis in the development of various diseases. Furthermore, we review the current clinical trials, prospective vaccines for COVID-19, and therapies targeting ribosome biogenesis in cancer, cardiovascular disease, aging, and neurodegenerative disease.
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Affiliation(s)
- Lijuan Jiao
- grid.263761.70000 0001 0198 0694Institute for Cardiovascular Science and Department of Cardiovascular Surgery, First Affiliated Hospital and Medical College of Soochow University, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123 P. R. China
| | - Yuzhe Liu
- grid.452829.00000000417660726Department of Orthopedics, the Second Hospital of Jilin University, Changchun, Jilin 130000 P. R. China
| | - Xi-Yong Yu
- grid.410737.60000 0000 8653 1072Key Laboratory of Molecular Target & Clinical Pharmacology and the NMPA State Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, Guangdong 511436 P. R. China
| | - Xiangbin Pan
- grid.506261.60000 0001 0706 7839Department of Structural Heart Disease, National Center for Cardiovascular Disease, China & Fuwai Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, P. R. China ,Key Laboratory of Cardiovascular Appratus Innovation, Beijing, 100037 P. R. China
| | - Yu Zhang
- grid.263761.70000 0001 0198 0694Institute for Cardiovascular Science and Department of Cardiovascular Surgery, First Affiliated Hospital and Medical College of Soochow University, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123 P. R. China
| | - Junchu Tu
- grid.263761.70000 0001 0198 0694Institute for Cardiovascular Science and Department of Cardiovascular Surgery, First Affiliated Hospital and Medical College of Soochow University, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu 215123 P. R. China
| | - Yao-Hua Song
- Cyrus Tang Hematology Center, Collaborative Innovation Center of Hematology, Soochow University, National Clinical Research Center for Hematologic Diseases, the First Affiliated Hospital of Soochow University, Suzhou, P. R. China. .,State Key Laboratory of Radiation Medicine and Protection, Soochow University, Suzhou, 215123, P. R. China.
| | - Yangxin Li
- Institute for Cardiovascular Science and Department of Cardiovascular Surgery, First Affiliated Hospital and Medical College of Soochow University, Collaborative Innovation Center of Hematology, Soochow University, Suzhou, Jiangsu, 215123, P. R. China.
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Balachander K, Priyadharsini JV, Roy A, Paramasivam A. Emerging Role of RNA m5C Modification in Cardiovascular Diseases. J Cardiovasc Transl Res 2022:10.1007/s12265-022-10336-8. [PMID: 36318418 DOI: 10.1007/s12265-022-10336-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 10/20/2022] [Indexed: 06/16/2023]
Abstract
Epitranscriptomics is the emerging field of research that comprises the study of epigenetics changes in RNAs. Progressing development in the field of epigenetics has helped to manage and comprehend human diseases. RNA methylation regulates all aspects of RNA functions, which are involved in the pathogenesis of human diseases. Interestingly, RNA m5C methylation is significantly linked to various types of human disease, including cardiovascular diseases (CVD). The m5C methylation is controlled by m5C regulatory proteins, which act as methyltransferase, demethyltransferase, and RNA-binding protein. Dysregulated expression in m5C regulatory proteins is significantly associated with cardiovascular disease, and these regulatory proteins have crucial roles in biological and cellular functions. This review is mainly focused on the role of RNA m5C modification in CVD and mitochondrial dysfunction. Thus, m5C will contribute to discovering the new diagnostic marker and therapeutic target for CVD.
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Affiliation(s)
- Kannan Balachander
- Centre for Cellular and Molecular Research, Saveetha Dental College & Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, India
| | - Jayaseelan Vijayashree Priyadharsini
- Centre for Cellular and Molecular Research, Saveetha Dental College & Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, India
| | - Anitha Roy
- Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, India
| | - Arumugam Paramasivam
- Centre for Cellular and Molecular Research, Saveetha Dental College & Hospital, Saveetha Institute of Medical and Technical Sciences (SIMATS), Saveetha University, Chennai, India.
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11
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Polyphenols as Potent Epigenetics Agents for Cancer. Int J Mol Sci 2022; 23:ijms231911712. [PMID: 36233012 PMCID: PMC9570183 DOI: 10.3390/ijms231911712] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/25/2022] [Accepted: 09/27/2022] [Indexed: 02/06/2023] Open
Abstract
Human diseases such as cancer can be caused by aberrant epigenetic regulation. Polyphenols play a major role in mammalian epigenome regulation through mechanisms and proteins that remodel chromatin. In fruits, seeds, and vegetables, as well as food supplements, polyphenols are found. Compounds such as these ones are powerful anticancer agents and antioxidants. Gallic acid, kaempferol, curcumin, quercetin, and resveratrol, among others, have potent anti-tumor effects by helping reverse epigenetic changes associated with oncogene activation and tumor suppressor gene inactivation. The role dietary polyphenols plays in restoring epigenetic alterations in cancer cells with a particular focus on DNA methylation and histone modifications was summarized. We also discussed how these natural compounds modulate gene expression at the epigenetic level and described their molecular targets in cancer. It highlights the potential of polyphenols as an alternative therapeutic approach in cancer since they modulate epigenetic activity.
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12
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Ungurianu A, Zanfirescu A, Margină D. Regulation of Gene Expression through Food—Curcumin as a Sirtuin Activity Modulator. PLANTS 2022; 11:plants11131741. [PMID: 35807694 PMCID: PMC9269530 DOI: 10.3390/plants11131741] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/23/2022] [Accepted: 06/28/2022] [Indexed: 12/24/2022]
Abstract
The sirtuin family comprises NAD+-dependent protein lysine deacylases, mammalian sirtuins being either nuclear (SIRT1, SIRT2, SIRT6, and SIRT7), mitochondrial (SIRT3, SIRT4, and SIRT5) or cytosolic enzymes (SIRT2 and SIRT5). They are able to catalyze direct metabolic reactions, thus regulating several physiological functions, such as energy metabolism, stress response, inflammation, cell survival, DNA repair, tissue regeneration, neuronal signaling, and even circadian rhythms. Based on these data, recent research was focused on finding molecules that could regulate sirtuins’ expression and/or activity, natural compounds being among the most promising in the field. Curcumin (1,7-bis-(4-hydroxy-3-methoxyphenyl)-1,6-heptadiene-3,5-dione) can induce, through SIRT, modulation of cancer cell senescence, improve endothelial cells protection against atherosclerotic factors, enhance muscle regeneration in atrophy models, and act as a pro-longevity factor counteracting the neurotoxicity of amyloid-beta. Although a plethora of protective effects was reported (antioxidant, anti-inflammatory, anticancer, etc.), its therapeutical use is limited due to its bioavailability issues. However, all the reported effects may be explained via the bioactivation theory, which postulates that curcumin’s observed actions are modulated via its metabolites and/or degradation products. The present article is focused on bringing together the literature data correlating the ability of curcumin and its metabolites to modulate SIRT activity and its consequent beneficial effects.
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Affiliation(s)
- Anca Ungurianu
- Department of Biochemistry, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, Traian Vuia, 020956 Bucharest, Romania; (A.U.); (D.M.)
| | - Anca Zanfirescu
- Department of Pharmacology and Clinical Pharmacy, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, Traian Vuia, 020956 Bucharest, Romania
- Correspondence:
| | - Denisa Margină
- Department of Biochemistry, Faculty of Pharmacy, Carol Davila University of Medicine and Pharmacy, Traian Vuia, 020956 Bucharest, Romania; (A.U.); (D.M.)
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13
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Lagunas-Rangel FA. SIRT7 in the aging process. Cell Mol Life Sci 2022; 79:297. [PMID: 35585284 PMCID: PMC9117384 DOI: 10.1007/s00018-022-04342-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 04/19/2022] [Accepted: 05/02/2022] [Indexed: 12/20/2022]
Abstract
Aging is the result of the accumulation of a wide variety of molecular and cellular damage over time. This has been associated with a number of features termed hallmarks of aging, including genomic instability, loss of proteostasis, telomere attrition, dysregulated nutrient sensing, mitochondrial dysfunction, cellular senescence, stem cell exhaustion, and impaired intercellular communication. On the other hand, sirtuins are enzymes with an important role in aging and life extension, of which humans have seven paralogs (SIRT1 to SIRT7). SIRT7 is the least studied sirtuin to date, but it has been reported to serve important functions, such as promoting ribosomal RNA expression, aiding in DNA damage repair, and regulating chromatin compaction. Several studies have established a close relationship between SIRT7 and age-related processes, but knowledge in this area is still scarce. Therefore, the purpose of this review was to analyze how SIRT7 is associated with each of the hallmarks of aging, as well as with some of age-associated diseases, such as cardiovascular diseases, obesity, osteoporosis, and cancer.
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14
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Sirtuins: Potential Therapeutic Targets for Defense against Oxidative Stress in Spinal Cord Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:7207692. [PMID: 34257819 PMCID: PMC8249122 DOI: 10.1155/2021/7207692] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/09/2021] [Revised: 05/15/2021] [Accepted: 06/01/2021] [Indexed: 12/19/2022]
Abstract
Spinal cord injury (SCI) is one of the most incapacitating neurological disorders. It involves complex pathological processes that include a primary injury and a secondary injury phase, or a delayed stage, which follows the primary injury and contributes to the aggravation of the SCI pathology. Oxidative stress, a key pathophysiological event after SCI, contributes to a cascade of inflammation, excitotoxicity, neuronal and glial apoptosis, and other processes during the secondary injury phase. In recent years, increasing evidence has demonstrated that sirtuins are protective toward the pathological process of SCI through a variety of antioxidant mechanisms. Notably, strategies that modulate the expression of sirtuins exert beneficial effects in cellular and animal models of SCI. Given the significance and novelty of sirtuins, we summarize the oxidative stress processes that occur in SCI and discuss the antioxidant effects of sirtuins in SCI. We also highlight the potential of targeting sirtuins for the treatment of SCI.
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15
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DNA Methylation in Atherosclerosis: A New Perspective. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2021; 2021:6623657. [PMID: 34257689 PMCID: PMC8249120 DOI: 10.1155/2021/6623657] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2020] [Accepted: 06/08/2021] [Indexed: 01/14/2023]
Abstract
Atherosclerotic cardiovascular diseases, in which atherosclerosis (AS) is the main pathologic basis, are currently the primary diseases leading to human deaths. Emerging evidence showed that DNA methylation, which could affect the transcription and expression of critical regulatory genes, has key roles in AS. Aberrant DNA methylation including aberrant hypomethylation and hypermethylation plays key roles in endothelial-cell dysfunction, macrophage inflammation, abnormal proliferation of vascular smooth muscle cells, plaque rupture, and thrombosis in AS. Chinese herbal medicines, including single compounds and formulations, showed light on the treatment of AS through regulating the aberrant DNA methylation in AS. Targeting the aberrant DNA methylation may be one of the most important treatment strategies in the cure and prevention of AS. In this review, we focus on the relationship between DNA methylation and AS, as well as the beneficial effects of Chinese herbal medicines on DNA methylation in AS.
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16
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Bloniarz D, Adamczyk-Grochala J, Lewinska A, Wnuk M. The lack of functional DNMT2/TRDMT1 gene modulates cancer cell responses during drug-induced senescence. Aging (Albany NY) 2021; 13:15833-15874. [PMID: 34139673 PMCID: PMC8266355 DOI: 10.18632/aging.203203] [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: 04/29/2021] [Accepted: 05/28/2021] [Indexed: 01/20/2023]
Abstract
Cellular senescence may be a side effect of chemotherapy and other anti-cancer treatments that may promote inflammation and paracrine secondary senescence in healthy tissues. DNMT2/TRDMT1 methyltransferase is implicated in the regulation of cellular lifespan and DNA damage response (DDR). In the present study, the responses to senescence inducing concentrations of doxorubicin and etoposide in different cancer cells with DNMT2/TRDMT1 gene knockout were evaluated, namely changes in the cell cycle, apoptosis, autophagy, interleukin levels, genetic stability and DDR, and 5-mC and NSUN1-6 levels. Moreover, the effect of azacytidine post-treatment was considered. Diverse responses were revealed that was based on type of cancer cells (breast and cervical cancer, osteosarcoma and glioblastoma cells) and anti-cancer drugs. DNMT2/TRDMT1 gene knockout in drug-treated glioblastoma cells resulted in decreased number of apoptotic and senescent cells, IL-8 levels and autophagy, and increased number of necrotic cells, DNA damage and affected DDR compared to drug-treated glioblastoma cells with unmodified levels of DNMT2/TRDMT1. We suggest that DNMT2/TRDMT1 gene knockout in selected experimental settings may potentiate some adverse effects associated with chemotherapy-induced senescence.
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Affiliation(s)
- Dominika Bloniarz
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Rzeszow 35-310, Poland
| | - Jagoda Adamczyk-Grochala
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Rzeszow 35-310, Poland
| | - Anna Lewinska
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Rzeszow 35-310, Poland
| | - Maciej Wnuk
- Department of Biotechnology, Institute of Biology and Biotechnology, College of Natural Sciences, University of Rzeszow, Rzeszow 35-310, Poland
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17
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Kimura Y, Izumiya Y, Araki S, Yamamura S, Hanatani S, Onoue Y, Ishida T, Arima Y, Nakamura T, Yamamoto E, Senokuchi T, Yoshizawa T, Sata M, Kim-Mitsuyama S, Nakagata N, Bober E, Braun T, Kaikita K, Yamagata K, Tsujita K. Sirt7 Deficiency Attenuates Neointimal Formation Following Vascular Injury by Modulating Vascular Smooth Muscle Cell Proliferation. Circ J 2021; 85:2232-2240. [PMID: 33678753 DOI: 10.1253/circj.cj-20-0936] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND Sirt7 is a recently identified sirtuin and has important roles in various pathological conditions, including cancer progression and metabolic disorders. It has previously been reported that Sirt7 is a key molecule in acute myocardial wound healing and pressure overload-induced cardiac hypertrophy. In this study, the role of Sirt7 in neointimal formation after vascular injury is investigated.Methods and Results:Systemic (Sirt7-/-) and smooth muscle cell-specific Sirt7-deficient mice were subjected to femoral artery wire injury. Primary vascular smooth muscle cells (VSMCs) were isolated from the aorta of wild type (WT) and Sirt7-/-mice and their capacity for cell proliferation and migration was compared. Sirt7 expression was increased in vascular tissue at the sites of injury. Sirt7-/-mice demonstrated significant reduction in neointimal formation compared to WT mice. In vitro, Sirt7 deficiency attenuated the proliferation of serum-induced VSMCs. Serum stimulation-induced upregulation of cyclins and cyclin-dependent-kinase 2 (CDK2) was significantly attenuated in VSMCs of Sirt7-/-compared with WT mice. These changes were accompanied by enhanced expression of the microRNA 290-295 cluster, the translational negative regulator of CDK2, in VSMCs of Sirt7-/-mice. It was confirmed that smooth muscle cell-specific Sirt7-deficient mice showed significant reduction in neointima compared with control mice. CONCLUSIONS Sirt7 deficiency attenuates neointimal formation after vascular injury. Given the predominant role in vascular neointimal formation, Sirt7 is a potentially suitable target for treatment of vascular diseases.
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Affiliation(s)
- Yuichi Kimura
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Yasuhiro Izumiya
- Department of Cardiovascular Medicine, Osaka City University Graduate School of Medicine
| | - Satoshi Araki
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Satoru Yamamura
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Shinsuke Hanatani
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Yoshiro Onoue
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Toshifumi Ishida
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Yuichiro Arima
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Taishi Nakamura
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Eiichiro Yamamoto
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Takafumi Senokuchi
- Department of Metabolic Medicine, Faculty of Life Sciences, Kumamoto University
| | - Tatsuya Yoshizawa
- Department of Medical Biochemistry, Faculty of Life Sciences, Kumamoto University
| | - Masataka Sata
- Department of Cardiovascular Medicine, Institute of Biomedical Sciences, Tokushima University Graduate School
| | - Shokei Kim-Mitsuyama
- Departments of Pharmacology and Molecular Therapeutics, Faculty of Life Sciences, Kumamoto University
| | - Naomi Nakagata
- Division of Reproductive Engineering, Center for Animal Resources and Development, Kumamoto University
| | - Eva Bober
- Department of Cardiac Development and Remodeling, Max-Planck-Institute for Heart and Lung Research
| | - Thomas Braun
- Department of Cardiac Development and Remodeling, Max-Planck-Institute for Heart and Lung Research
| | - Koichi Kaikita
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
| | - Kazuya Yamagata
- Department of Medical Biochemistry, Faculty of Life Sciences, Kumamoto University
| | - Kenichi Tsujita
- Department of Cardiovascular Medicine, Faculty of Life Sciences, Kumamoto University
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18
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Chellamuthu A, Gray SG. The RNA Methyltransferase NSUN2 and Its Potential Roles in Cancer. Cells 2020; 9:cells9081758. [PMID: 32708015 PMCID: PMC7463552 DOI: 10.3390/cells9081758] [Citation(s) in RCA: 105] [Impact Index Per Article: 26.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 07/16/2020] [Accepted: 07/18/2020] [Indexed: 12/12/2022] Open
Abstract
5-methylcytosine is often associated as an epigenetic modifier in DNA. However, it is also found increasingly in a plethora of RNA species, predominantly transfer RNAs, but increasingly found in cytoplasmic and mitochondrial ribosomal RNAs, enhancer RNAs, and a number of long noncoding RNAs. Moreover, this modification can also be found in messenger RNAs and has led to an increasing appreciation that RNA methylation can functionally regulate gene expression and cellular activities. In mammalian cells, the addition of m5C to RNA cytosines is carried out by enzymes of the NOL1/NOP2/SUN domain (NSUN) family as well as the DNA methyltransferase homologue DNMT2. In this regard, NSUN2 is a critical RNA methyltransferase for adding m5C to mRNA. In this review, using non-small cell lung cancer and other cancers as primary examples, we discuss the recent developments in the known functions of this RNA methyltransferase and its potential critical role in cancer.
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Affiliation(s)
- Anitha Chellamuthu
- Department of Clinical Medicine, Trinity College Dublin, Dublin D08 W9RT, Ireland;
| | - Steven G. Gray
- Department of Clinical Medicine, Trinity College Dublin, Dublin D08 W9RT, Ireland;
- Thoracic Oncology Research Group, St. James’s Hospital, Dublin D08 RX0X, Ireland
- Correspondence:
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19
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Bampidis V, Azimonti G, Bastos MDL, Christensen H, Kos Durjava M, Kouba M, López‐Alonso M, López Puente S, Marcon F, Mayo B, Pechová A, Petkova M, Ramos F, Sanz Y, Villa RE, Woutersen R, Brantom P, Chesson A, Westendorf J, Gregoretti L, Manini P, Dusemund B. Safety and efficacy of turmeric extract, turmeric oil, turmeric oleoresin and turmeric tincture from Curcuma longa L. rhizome when used as sensory additives in feed for all animal species. EFSA J 2020; 18:e06146. [PMID: 32874324 PMCID: PMC7448085 DOI: 10.2903/j.efsa.2020.6146] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Following a request from the European Commission, the EFSA Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) was asked to deliver a scientific opinion on the safety and efficacy of turmeric extract, turmeric oil, turmeric oleoresin and turmeric tincture from Curcuma longa L. rhizome when used as sensory additives in feed and in water for drinking for all animal species. The FEEDAP Panel concludes that the additives under consideration are safe at the maximum proposed use levels: (i) turmeric extract at 15 mg/kg complete feed (or in water for drinking at comparable exposure) for all animal species; (ii) turmeric essential oil at 80 mg/kg feed for veal calves (milk replacer) and 20 mg/kg complete feed (or 20 mg/L) for all other species; (iii) turmeric oleoresin at 30 mg/kg complete feed (or 30 mg/L) for chickens for fattening and laying hens and 5 mg/kg complete feed (or 5 mg/L) for pigs, veal calves, cattle for fattening and dairy cows, sheep, goats, horses, rabbits and fish; (iv) turmeric tincture at 0.8 mL/L water for drinking for poultry, 6 mL per head and day for horses and 0.05 mL tincture/kg complete feed for dogs. No concerns for consumers were identified following the use of the additives at the proposed use level in animal nutrition. Turmeric extract, turmeric oil, turmeric oleoresin and turmeric tincture should be considered as irritants to skin and eyes and the respiratory tract and as skin sensitisers. The use of the additives in feed is not expected to pose a risk for the environment. Since turmeric and its preparations are recognised to flavour food and their function in feed would be essentially the same as that in food, no further demonstration of efficacy is considered necessary.
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20
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Therapeutic Applications of Curcumin Nanomedicine Formulations in Cardiovascular Diseases. J Clin Med 2020; 9:jcm9030746. [PMID: 32164244 PMCID: PMC7141226 DOI: 10.3390/jcm9030746] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Revised: 03/02/2020] [Accepted: 03/04/2020] [Indexed: 12/18/2022] Open
Abstract
Cardiovascular diseases (CVD) compromises a group of heart and blood vessels disorders with high impact on human health and wellbeing. Curcumin (CUR) have demonstrated beneficial effects on these group of diseases that represent a global burden with a prevalence that continues increasing progressively. Pre- and clinical studies have demonstrated the CUR effects in CVD through its anti-hypercholesterolemic and anti-atherosclerotic effects and its protective properties against cardiac ischemia and reperfusion. However, the CUR therapeutic limitation is its bioavailability. New CUR nanomedicine formulations are developed to solve this problem. The present article aims to discuss different studies and approaches looking into the promising role of nanotechnology-based drug delivery systems to deliver CUR and its derivatives in CVD treatment, with an emphasis on their formulation properties, experimental evidence, bioactivity, as well as challenges and opportunities in developing these systems.
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21
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Li H, Sureda A, Devkota HP, Pittalà V, Barreca D, Silva AS, Tewari D, Xu S, Nabavi SM. Curcumin, the golden spice in treating cardiovascular diseases. Biotechnol Adv 2020; 38:107343. [DOI: 10.1016/j.biotechadv.2019.01.010] [Citation(s) in RCA: 107] [Impact Index Per Article: 26.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2018] [Revised: 01/10/2019] [Accepted: 01/29/2019] [Indexed: 02/07/2023]
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22
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Polyphenols: Major regulators of key components of DNA damage response in cancer. DNA Repair (Amst) 2019; 82:102679. [DOI: 10.1016/j.dnarep.2019.102679] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 07/27/2019] [Accepted: 07/27/2019] [Indexed: 02/06/2023]
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23
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Xue S, Xu H, Sun Z, Shen H, Chen S, Ouyang J, Zhou Q, Hu X, Cui H. Depletion of TRDMT1 affects 5-methylcytosine modification of mRNA and inhibits HEK293 cell proliferation and migration. Biochem Biophys Res Commun 2019; 520:60-66. [PMID: 31570165 DOI: 10.1016/j.bbrc.2019.09.098] [Citation(s) in RCA: 37] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/07/2019] [Accepted: 09/22/2019] [Indexed: 12/29/2022]
Abstract
Human TRDMT1 is a transfer RNA (tRNA) methyltransferase for cytosine-5 methylation and has been suggested to be involved in the regulation of numerous developmental processes. However, little is known about the molecular mechanisms or their biological significance. In this study, we investigated the effects of CRISPR-based TRDMT1 knockdown on phenotypes, mRNA m5C modifications and gene expression changes in HEK293 cells. We found that knockdown of TRDMT1 significantly inhibited cell proliferation and migration but had no effect on clonogenic potential. The inhibitory effects could be attenuated by re-expression of TRDMT1 in HEK293 cells. RNA sequencing (RNA-Seq) and RNA bisulfite sequencing (RNA-BisSeq) were performed in TRDMT1 knockdown and wild-type HEK293 cells. Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses indicated that the differentially expressed genes were associated with the cell cycle, RNA transport, and RNA degradation and were enriched in cancer and Notch signaling pathways. We also found that TRDMT1 knockdown could change mRNA methylation levels. For the first time, these findings clarify the role of TRDMT1 in regulating mRNA methylation and inhibiting the proliferation and migration of HEK293 cells. These results provide new insights into a new function of TRDMT1 and elucidate the molecular mechanisms of aberrant RNA m5C during tumorigenesis.
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Affiliation(s)
- Songlei Xue
- Institute of Epigenetics and Epigenomics and College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China; Joint International Research Laboratory of Agricultural & Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China
| | - Hui Xu
- Institute of Epigenetics and Epigenomics and College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Zhen Sun
- Institute of Epigenetics and Epigenomics and College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Hui Shen
- Institute of Epigenetics and Epigenomics and College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Shihao Chen
- Institute of Epigenetics and Epigenomics and College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Juan Ouyang
- Institute of Epigenetics and Epigenomics and College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Qiqi Zhou
- Institute of Epigenetics and Epigenomics and College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China
| | - Xuming Hu
- Institute of Epigenetics and Epigenomics and College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China; Joint International Research Laboratory of Agricultural & Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China
| | - Hengmi Cui
- Institute of Epigenetics and Epigenomics and College of Animal Science and Technology, Yangzhou University, Yangzhou, 225009, China; Jiangsu Co-innovation Center for Prevention and Control of Important Animal Infectious Diseases and Zoonoses, Yangzhou, 225009, China; Institute of Comparative Medicine, Yangzhou University, Yangzhou, 225009, China; Joint International Research Laboratory of Agricultural & Agri-Product Safety of the Ministry of Education of China, Yangzhou University, Yangzhou, 225009, China.
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24
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Bielak-Zmijewska A, Grabowska W, Ciolko A, Bojko A, Mosieniak G, Bijoch Ł, Sikora E. The Role of Curcumin in the Modulation of Ageing. Int J Mol Sci 2019; 20:E1239. [PMID: 30871021 PMCID: PMC6429134 DOI: 10.3390/ijms20051239] [Citation(s) in RCA: 73] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2019] [Revised: 03/04/2019] [Accepted: 03/06/2019] [Indexed: 12/27/2022] Open
Abstract
It is believed that postponing ageing is more effective and less expensive than the treatment of particular age-related diseases. Compounds which could delay symptoms of ageing, especially natural products present in a daily diet, are intensively studied. One of them is curcumin. It causes the elongation of the lifespan of model organisms, alleviates ageing symptoms and postpones the progression of age-related diseases in which cellular senescence is directly involved. It has been demonstrated that the elimination of senescent cells significantly improves the quality of life of mice. There is a continuous search for compounds, named senolytic drugs, that selectively eliminate senescent cells from organisms. In this paper, we endeavor to review the current knowledge about the anti-ageing role of curcumin and discuss its senolytic potential.
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Affiliation(s)
- Anna Bielak-Zmijewska
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur St., 02-093 Warsaw, Poland.
| | - Wioleta Grabowska
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur St., 02-093 Warsaw, Poland.
| | - Agata Ciolko
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur St., 02-093 Warsaw, Poland.
| | - Agnieszka Bojko
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur St., 02-093 Warsaw, Poland.
| | - Grażyna Mosieniak
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur St., 02-093 Warsaw, Poland.
| | - Łukasz Bijoch
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur St., 02-093 Warsaw, Poland.
| | - Ewa Sikora
- Nencki Institute of Experimental Biology, Polish Academy of Sciences, 3 Pasteur St., 02-093 Warsaw, Poland.
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25
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Zangui M, Atkin SL, Majeed M, Sahebkar A. Current evidence and future perspectives for curcumin and its analogues as promising adjuncts to oxaliplatin: state-of-the-art. Pharmacol Res 2019; 141:343-356. [DOI: 10.1016/j.phrs.2019.01.020] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/15/2018] [Revised: 01/11/2019] [Accepted: 01/11/2019] [Indexed: 02/06/2023]
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26
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Abstract
Epigenetic modifications include DNA methylation, histone modification, microRNA and lncRNA regulations, and take part in many physiological and pathological processes. Recently, it has been found that natural compounds are essential in regulation of epigenetics. By influencing the expression and activities of genes related with epigenetics and altering the expression and functions of miRNAs, many natural compounds exhibit the biological and pharmaceutical activities in the prevention, diagnosis and treatment of many kinds of human diseases, such as cancer, diabetes and cardiovascular diseases. Here in this review, the effects of several natural compounds on epigenetics and the underlying mechanisms were summarized, providing a new insight into the role of natural compounds.
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Affiliation(s)
- Yanhong Yang
- The First Affiliated Hospital (School of Clinical Medicine), Guangdong Pharmaceutical University, Nong-Lin-Xia Road 19#, Yue-Xiu District, Guangzhou 510080, PR China
| | - Zuohua Chi
- The First Affiliated Hospital (School of Clinical Medicine), Guangdong Pharmaceutical University, Nong-Lin-Xia Road 19#, Yue-Xiu District, Guangzhou 510080, PR China
| | - Ruiping Gao
- The First Affiliated Hospital (School of Clinical Medicine), Guangdong Pharmaceutical University, Nong-Lin-Xia Road 19#, Yue-Xiu District, Guangzhou 510080, PR China
| | - Zili Lei
- Guangdong Metabolic Disease Research Center of Integrated Chinese and WesternMedicine, Guangdong Pharmaceutical University, Guangzhou Higher Education Mega Centre, Guangzhou 510006, PR China
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27
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Fang P, Xue Y, Zhang Y, Fan N, Ou L, Leng L, Pan J, Wang X. SIRT7 regulates the TGF-β1-induced proliferation and migration of mouse airway smooth muscle cells by modulating the expression of TGF-β receptor I. Biomed Pharmacother 2018; 104:781-787. [PMID: 29843083 DOI: 10.1016/j.biopha.2018.05.060] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2018] [Revised: 05/10/2018] [Accepted: 05/14/2018] [Indexed: 01/01/2023] Open
Abstract
Accumulating evidence shows that sirtuin 7 (SIRT7), a key mediator of many cellular activities, plays an important role in the pathogenesis of various diseases; however, little is known about the role of SIRT7 in asthma, which is characterized by airway remodeling. This study investigated the potential role of SIRT7 in regulating the proliferation and migration of airway smooth muscle (ASM) cells, which are critical events during airway remodeling in asthmatic conditions. The results demonstrated that SIRT7 expression was significantly upregulated in ASM cells treated with transforming growth factor-beta 1 (TGF-β1). Knockdown of SIRT7 inhibited the proliferation, promoted the apoptosis, and suppressed the migration of TGF-β1-treated ASM cells, while overexpression of SIRT7 had the opposite effect. Moreover, knockdown of SIRT7 inhibited protein expression of the TGF-β receptor I (TβRI), whilst overexpression of SIRT7 promoted the expression of TβRI. Importantly, knockdown of TβRI partially reversed the stimulatory effect of SIRT7 overexpression on the TGF-β1-induced proliferation and migration of ASM cells. Taken together, these results demonstrate that SIRT7 is involved in regulating TGF-β1-induced ASM cell proliferation and migration by regulating the expression of TβRI, thus indicating an important role of SIRT7 during airway remodeling in asthma.
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Affiliation(s)
- Ping Fang
- Division of Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, School of Medicine, Xi'an, 710004, Shaanxi, PR China.
| | - Yu Xue
- Division of Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, School of Medicine, Xi'an, 710004, Shaanxi, PR China; Internal Medicine Department, Section Four, Xi'an Chest Hospital, Xi'an, 710100, Shaanxi, PR China
| | - Yonghong Zhang
- Division of Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, School of Medicine, Xi'an, 710004, Shaanxi, PR China
| | - Na Fan
- Division of Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, School of Medicine, Xi'an, 710004, Shaanxi, PR China
| | - Ling Ou
- Division of Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, School of Medicine, Xi'an, 710004, Shaanxi, PR China; Respiratory Department, Xi'an Children's Hospital, Xi'an, 7l0003, Shaanxi, PR China
| | - Lingjuan Leng
- Division of Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, School of Medicine, Xi'an, 710004, Shaanxi, PR China; Internal Medicine, Hospital of Xidian University, Xi'an, 710126, Shaanxi, PR China
| | - Jianli Pan
- Division of Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, School of Medicine, Xi'an, 710004, Shaanxi, PR China; Respiratory Department, Xi'an Children's Hospital, Xi'an, 7l0003, Shaanxi, PR China
| | - Xugeng Wang
- Division of Pulmonary and Critical Care Medicine, The Second Affiliated Hospital, Xi'an Jiaotong University, School of Medicine, Xi'an, 710004, Shaanxi, PR China
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Wu D, Li Y, Zhu KS, Wang H, Zhu WG. Advances in Cellular Characterization of the Sirtuin Isoform, SIRT7. Front Endocrinol (Lausanne) 2018; 9:652. [PMID: 30510540 PMCID: PMC6253933 DOI: 10.3389/fendo.2018.00652] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 10/17/2018] [Indexed: 12/15/2022] Open
Abstract
SIRT7 is one of seven mammalian sirtuins that functions as an NAD+-dependent histone/protein deacetylase. SIRT7 is the least well-known member of the sirtuin family, but recent efforts have identified its involvement in various cellular processes, such as ribosome biogenesis, gene expression, cellular metabolism and cancer. Here we provide an update on the functions and mechanisms of SIRT7 in cellular regulation and disease.
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Affiliation(s)
- Di Wu
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Beijing Key Laboratory of Protein Posttranslational Modifications and Cell Function, Peking University Health Science Center, School of Basic Medical Sciences, Beijing, China
- School of Basic Medical Sciences, Institute of Systems Biomedicine, Peking University Health Science Center, Beijing, China
| | - Yinglu Li
- Department of Biochemistry and Molecular Biology, Shenzhen University Health Science Center, Shenzhen, China
| | - Kathy S. Zhu
- Peking University Health Science Center, School of Public Health, Beijing, China
| | - Haiying Wang
- Key Laboratory of Carcinogenesis and Translational Research (Ministry of Education), Beijing Key Laboratory of Protein Posttranslational Modifications and Cell Function, Peking University Health Science Center, School of Basic Medical Sciences, Beijing, China
- Department of Biochemistry and Molecular Biology, Peking University Health Science Center, School of Basic Medical Sciences, Beijing, China
- *Correspondence: Wei-Guo Zhu ;
| | - Wei-Guo Zhu
- Department of Biochemistry and Molecular Biology, Shenzhen University Health Science Center, Shenzhen, China
- Haiying Wang
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Lewinska A, Adamczyk-Grochala J, Kwasniewicz E, Wnuk M. Downregulation of methyltransferase Dnmt2 results in condition-dependent telomere shortening and senescence or apoptosis in mouse fibroblasts. J Cell Physiol 2017; 232:3714-3726. [PMID: 28177119 DOI: 10.1002/jcp.25848] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Revised: 02/06/2017] [Accepted: 02/07/2017] [Indexed: 01/05/2023]
Abstract
Dnmt2 is a highly conserved methyltransferase of uncertain biological function(s). As Dnmt2 was considered as a driver of fruit fly longevity and a modulator of stress response, we decided to evaluate the role of Dnmt2 during stress-induced premature senescence in NIH3T3 mouse fibroblasts. Stable knockdown of Dnmt2 resulted in hydrogen peroxide-mediated sensitivity and apoptosis, whereas in the control conditions, senescence was induced. Cellular senescence was accompanied by elevated levels of p53 and p21, decreased telomere length and telomerase activity, increased production of reactive oxygen species and protein carbonylation, and DNA damage. Dnmt2 silencing also promoted global DNA and RNA hypermethylation, and upregulation of methyltransferases, namely Dnmt1, Dnmt3a, and Dnmt3b. Taken together, we show for the first time that Dnmt2 may promote lifespan in the control conditions and survival during stress conditions in mouse fibroblasts.
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Affiliation(s)
- Anna Lewinska
- Laboratory of Cell Biology, University of Rzeszow, Kolbuszowa, Poland
| | | | - Ewa Kwasniewicz
- Laboratory of Cell Biology, University of Rzeszow, Kolbuszowa, Poland
| | - Maciej Wnuk
- Department of Genetics, University of Rzeszow, Kolbuszowa, Poland
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30
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Lewinska A, Adamczyk-Grochala J, Kwasniewicz E, Deregowska A, Semik E, Zabek T, Wnuk M. Reduced levels of methyltransferase DNMT2 sensitize human fibroblasts to oxidative stress and DNA damage that is accompanied by changes in proliferation-related miRNA expression. Redox Biol 2017; 14:20-34. [PMID: 28843151 PMCID: PMC5568885 DOI: 10.1016/j.redox.2017.08.012] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2017] [Revised: 08/11/2017] [Accepted: 08/18/2017] [Indexed: 01/09/2023] Open
Abstract
Methyltransferase DNMT2 is suggested to be involved in the regulation of numerous processes, however its biological significance and underlying molecular mechanisms remain elusive. In the present study, we have used WI-38 and BJ human fibroblasts as an in vitro model system to investigate the effects of siRNA-based DNMT2 silencing. DNMT2-depleted cells were found to be sensitive to oxidative stress conditions as judged by increased production of reactive oxygen species and susceptible to DNA damage that resulted in the inhibition of cell proliferation. DNMT2 silencing promoted upregulation of proliferation-related and tumor suppressor miRNAs, namely miR-28-3p, miR-34a-3p, miR-30b-5p, miR-29b-3p, miR-200c-3p, miR-28-5p, miR-379-5p, miR-382-5p, miR-194-5p, miR-193b-3p and miR-409-3p. Moreover, DNMT2 silencing induced cellular senescence and DNMT2 levels were elevated in replicatively senescent cells. Taken together, we found that DNMT2 may take part in the regulation of cell proliferation and longevity in human fibroblasts and speculate that the manipulation of DNMT2 levels that limits cell proliferation may be potentially useful anticancer strategy. DNMT2 silencing promotes oxidative stress and DNA damage in human fibroblasts. DNMT2 silencing results in upregulation of proliferation-related miRNAs. DNMT2 silencing inhibits cell proliferation and induces cellular senescence. DNMT2 levels are elevated during replicative senescence. DNMT2 is a novel regulator of cell proliferation and longevity in human fibroblasts.
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Affiliation(s)
- Anna Lewinska
- Laboratory of Cell Biology, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland.
| | | | - Ewa Kwasniewicz
- Laboratory of Cell Biology, University of Rzeszow, Pigonia 1, 35-310 Rzeszow, Poland
| | - Anna Deregowska
- Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warsaw, Poland; Department of Genetics, University of Rzeszow, Rzeszow, Poland
| | - Ewelina Semik
- Laboratory of Genomics, National Research Institute of Animal Production, Balice n. Cracow, Poland
| | - Tomasz Zabek
- Laboratory of Genomics, National Research Institute of Animal Production, Balice n. Cracow, Poland
| | - Maciej Wnuk
- Department of Genetics, University of Rzeszow, Rzeszow, Poland
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Grabowska W, Sikora E, Bielak-Zmijewska A. Sirtuins, a promising target in slowing down the ageing process. Biogerontology 2017; 18:447-476. [PMID: 28258519 PMCID: PMC5514220 DOI: 10.1007/s10522-017-9685-9] [Citation(s) in RCA: 280] [Impact Index Per Article: 40.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2017] [Accepted: 02/21/2017] [Indexed: 12/17/2022]
Abstract
Ageing is a plastic process and can be successfully modulated by some biomedical approaches or pharmaceutics. In this manner it is possible to delay or even prevent some age-related pathologies. There are some defined interventions, which give promising results in animal models or even in human studies, resulting in lifespan elongation or healthspan improvement. One of the most promising targets for anti-ageing approaches are proteins belonging to the sirtuin family. Sirtuins were originally discovered as transcription repressors in yeast, however, nowadays they are known to occur in bacteria and eukaryotes (including mammals). In humans the family consists of seven members (SIRT1-7) that possess either mono-ADP ribosyltransferase or deacetylase activity. It is believed that sirtuins play key role during cell response to a variety of stresses, such as oxidative or genotoxic stress and are crucial for cell metabolism. Although some data put in question direct involvement of sirtuins in extending human lifespan, it was documented that proper lifestyle including physical activity and diet can influence healthspan via increasing the level of sirtuins. The search for an activator of sirtuins is one of the most extensive and robust topic of research. Some hopes are put on natural compounds, including curcumin. In this review we summarize the involvement and usefulness of sirtuins in anti-ageing interventions and discuss the potential role of curcumin in sirtuins regulation.
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Affiliation(s)
- Wioleta Grabowska
- Laboratory of Molecular Bases of Aging, Department of Biochemistry, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Pasteur Str. 3, 02-093, Warsaw, Poland
| | - Ewa Sikora
- Laboratory of Molecular Bases of Aging, Department of Biochemistry, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Pasteur Str. 3, 02-093, Warsaw, Poland
| | - Anna Bielak-Zmijewska
- Laboratory of Molecular Bases of Aging, Department of Biochemistry, Nencki Institute of Experimental Biology of Polish Academy of Sciences, Pasteur Str. 3, 02-093, Warsaw, Poland.
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Harati K, Behr B, Daigeler A, Hirsch T, Jacobsen F, Renner M, Harati A, Wallner C, Lehnhardt M, Becerikli M. Curcumin and Viscum album Extract Decrease Proliferation and Cell Viability of Soft-Tissue Sarcoma Cells: An In Vitro Analysis of Eight Cell Lines Using Real-Time Monitoring and Colorimetric Assays. Nutr Cancer 2017; 69:340-351. [PMID: 28045549 DOI: 10.1080/01635581.2017.1263349] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
BACKGROUND The cytostatic effects of the polyphenol curcumin and Viscum album extract (VAE) were assessed in soft-tissue sarcoma (STS) cells. METHODS Eight human STS cell lines were used: fibrosarcoma (HT1080), liposarcoma (SW872, T778, MLS-402), synovial sarcoma (SW982, SYO1, 1273), and malignant fibrous histiocytoma (U2197). Primary human fibroblasts served as control cells. Cell proliferation, viability, and cell index (CI) were analyzed by BrdU assay, MTT assay, and real-time cell analysis (RTCA). RESULTS As indicated by BrdU and MTT, curcumin significantly decreased the cell proliferation of five cell lines (HT1080, SW872, SYO1, 1273, and U2197) and the viability of two cell lines (SW872 and SW982). VAE led to significant decreases of proliferation in eight cell lines (HT1080, SW872, T778, MLS-402, SW982, SYO1, 1293, and U2197) and reduced viability in seven STS lines (HT1080, SW872, T778, MLS-402, SW982, SYO1, and 1273). As indicated by RTCA for 160 h, curcumin decreased the CI of all synovial sarcoma cell lines as well as T778 and HT1080. VAE diminished the CI in most of the synovial sarcoma (SW982, SYO1) and liposarcoma (SW872, T778) cell lines as well as HT1080. Primary fibroblasts were not affected adversely by the two compounds in RTCA. CONCLUSION Curcumin and VAE can inhibit the proliferation and viability of STS cells.
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Affiliation(s)
- K Harati
- a Department of Plastic Surgery , Burn Center, Hand Center, Sarcoma Reference Center, BG-University Hospital Bergmannsheil Bochum , Bochum , Germany
| | - B Behr
- a Department of Plastic Surgery , Burn Center, Hand Center, Sarcoma Reference Center, BG-University Hospital Bergmannsheil Bochum , Bochum , Germany
| | - A Daigeler
- a Department of Plastic Surgery , Burn Center, Hand Center, Sarcoma Reference Center, BG-University Hospital Bergmannsheil Bochum , Bochum , Germany
| | - T Hirsch
- a Department of Plastic Surgery , Burn Center, Hand Center, Sarcoma Reference Center, BG-University Hospital Bergmannsheil Bochum , Bochum , Germany
| | - F Jacobsen
- a Department of Plastic Surgery , Burn Center, Hand Center, Sarcoma Reference Center, BG-University Hospital Bergmannsheil Bochum , Bochum , Germany
| | - M Renner
- b Institute of Pathology, University of Heidelberg , Heidelberg , Germany
| | - A Harati
- c Department of Neurosurgery , Klinikum Dortmund , Dortmund , Germany
| | - C Wallner
- a Department of Plastic Surgery , Burn Center, Hand Center, Sarcoma Reference Center, BG-University Hospital Bergmannsheil Bochum , Bochum , Germany
| | - M Lehnhardt
- a Department of Plastic Surgery , Burn Center, Hand Center, Sarcoma Reference Center, BG-University Hospital Bergmannsheil Bochum , Bochum , Germany
| | - M Becerikli
- a Department of Plastic Surgery , Burn Center, Hand Center, Sarcoma Reference Center, BG-University Hospital Bergmannsheil Bochum , Bochum , Germany
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33
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Polyphenols and DNA Damage: A Mixed Blessing. Nutrients 2016; 8:nu8120785. [PMID: 27918471 PMCID: PMC5188440 DOI: 10.3390/nu8120785] [Citation(s) in RCA: 69] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Revised: 11/15/2016] [Accepted: 11/23/2016] [Indexed: 12/26/2022] Open
Abstract
Polyphenols are a very broad group of chemicals, widely distributed in plant foods, and endowed with antioxidant activity by virtue of their numerous phenol groups. They are widely studied as putative cancer-protective agents, potentially contributing to the cancer preventive properties of fruits and vegetables. We review recent publications relating to human trials, animal experiments and cell culture, grouping them according to whether polyphenols are investigated in whole foods and drinks, in plant extracts, or as individual compounds. A variety of assays are in use to study genetic damage endpoints. Human trials, of which there are rather few, tend to show decreases in endogenous DNA damage and protection against DNA damage induced ex vivo in blood cells. Most animal experiments have investigated the effects of polyphenols (often at high doses) in combination with known DNA-damaging agents, and generally they show protection. High concentrations can themselves induce DNA damage, as demonstrated in numerous cell culture experiments; low concentrations, on the other hand, tend to decrease DNA damage.
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Lewinska A, Adamczyk-Grochala J, Kwasniewicz E, Deregowska A, Wnuk M. Diosmin-induced senescence, apoptosis and autophagy in breast cancer cells of different p53 status and ERK activity. Toxicol Lett 2016; 265:117-130. [PMID: 27890807 DOI: 10.1016/j.toxlet.2016.11.018] [Citation(s) in RCA: 60] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Revised: 11/23/2016] [Accepted: 11/24/2016] [Indexed: 11/17/2022]
Abstract
Relatively low bioavailability of plant-derived nutraceuticals with anticancer properties may limit their usefulness for prevention and therapy of cancer. In the present study, we have screened for nutraceuticals (n=30) that would act at low micromolar range against phenotypically distinct breast cancer cell lines, namely MCF-7 (ER+, PR+/-, HER2-), MDA-MB-231 (ER-, PR-, HER2-) and SK-BR-3 (ER-, PR-, HER2+), and diosmin, a citrus fruit flavonoid belonging to a flavone subclass, was selected. MCF-7 cell line was found to be the most sensitive to diosmin treatment. Diosmin caused G2/M cell cycle arrest, elevation in p53, p21 and p27 levels and stress-induced premature senescence when used at lower concentrations (5 and 10μM). Diosmin (20μM) also promoted apoptosis that was not observed in normal human mammary epithelial cells (HMEC). Diosmin stimulated oxidative and nitrosative stress, DNA damage and changes in global DNA methylation patterns. The status of p53 (wild type versus mutant) and the levels of phosphorylated ERK1/2 in a steady state, and diosmin-induced autophagy may reflect diverse response to diosmin treatment in MCF-7, MDA-MB-231 and SK-BR-3 cells, which in turn results in different cell fates. Taken together, diosmin that acts at low micromolar range against breast cancer cells may be considered as a promising candidate for anticancer therapy.
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Affiliation(s)
- Anna Lewinska
- Department of Genetics, University of Rzeszow, Werynia 502, 36-100 Kolbuszowa, Poland.
| | | | - Ewa Kwasniewicz
- Department of Genetics, University of Rzeszow, Werynia 502, 36-100 Kolbuszowa, Poland
| | - Anna Deregowska
- Department of Genetics, University of Rzeszow, Werynia 502, 36-100 Kolbuszowa, Poland; Postgraduate School of Molecular Medicine, Medical University of Warsaw, Warsaw, Poland
| | - Maciej Wnuk
- Department of Genetics, University of Rzeszow, Werynia 502, 36-100 Kolbuszowa, Poland
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Abstract
Although drug-eluting stents (DES) effectively improve the clinical efficacy of percutaneous coronary intervention, a high risk of late stent thrombosis and in-stent restenosis also exists after DES implantation. Anti-smooth muscle proliferation drugs, such as rapamycin, coating stents, not only inhibit the growth of vascular smooth muscle cells but also inhibit vascular endothelial cells and delay the reendothelialization. Therefore, the development of an ideal agent that protects vascular endothelial cells from rapamycin-eluting stents is of great importance for the next generation of DES. In this study, we demonstrated that rapamycin significantly inhibited the growth of rat aortic endothelial cells in both dose- and time-dependent manner in vitro. Cell apoptosis was increased and migration was decreased by rapamycin treatments in rat aortic endothelial cells in vitro. Surprisingly, treatment with curcumin, an active ingredient of turmeric, significantly reversed these detrimental effects of rapamycin. Moreover, curcumin increased the expression of vascular nitric oxide synthases (eNOS), which was decreased by rapamycin. Furthermore, caveolin-1, the inhibitor of eNOS, was decreased by curcumin. Knockdown of eNOS by small interfering RNA significantly abrogated the protective effects of curcumin. Taken together, our results suggest that curcumin antagonizes the detrimental effect of rapamycin on aortic endothelial cells in vitro through upregulating eNOS. Therefore, curcumin is a promising combined agent for the rescue of DES-induced reendothelialization delay.
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36
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Hou M, Song Y, Li Z, Luo C, Ou JS, Yu H, Yan J, Lu L. Curcumin attenuates osteogenic differentiation and calcification of rat vascular smooth muscle cells. Mol Cell Biochem 2016; 420:151-60. [DOI: 10.1007/s11010-016-2778-y] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2016] [Accepted: 07/30/2016] [Indexed: 11/30/2022]
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37
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Martí-Centelles R, Falomir E, Carda M, Nieto CI, Cornago MP, Claramunt RM. Effects of Curcuminoid Pyrazoles on Cancer Cells and on the Expression of Telomerase Related Genes. Arch Pharm (Weinheim) 2016; 349:532-8. [PMID: 27270752 DOI: 10.1002/ardp.201600067] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2016] [Revised: 03/15/2016] [Accepted: 05/06/2016] [Indexed: 11/12/2022]
Abstract
A group of 13 curcuminoid pyrazoles was investigated for their cytotoxicity on three tumoral cell lines (HT-29, MCF-7, and HeLa) and one non-tumoral human cell line (HEK-293). The values obtained were compared with those of curcumin. A subset of selected derivatives was also studied for their ability to downregulate expression of the hTERT and c-Myc genes, which are both involved in telomerase activity.
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Affiliation(s)
- Rosa Martí-Centelles
- Departamento de Química Inorgánica y Orgánica, Universidad Jaume I, Castellón, Spain
| | - Eva Falomir
- Departamento de Química Inorgánica y Orgánica, Universidad Jaume I, Castellón, Spain
| | - Miguel Carda
- Departamento de Química Inorgánica y Orgánica, Universidad Jaume I, Castellón, Spain
| | - Carla I Nieto
- Facultad de Ciencias, Departamento de Química Orgánica y Bio-Orgánica, UNED, Madrid, Spain
| | - M Pilar Cornago
- Facultad de Ciencias, Departamento de Química Orgánica y Bio-Orgánica, UNED, Madrid, Spain
| | - Rosa M Claramunt
- Facultad de Ciencias, Departamento de Química Orgánica y Bio-Orgánica, UNED, Madrid, Spain
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Yao Y, Wang W, Li M, Ren H, Chen C, Wang J, Wang WE, Yang J, Zeng C. Curcumin Exerts its Anti-hypertensive Effect by Down-regulating the AT1 Receptor in Vascular Smooth Muscle Cells. Sci Rep 2016; 6:25579. [PMID: 27146402 PMCID: PMC4857140 DOI: 10.1038/srep25579] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2016] [Accepted: 04/18/2016] [Indexed: 01/11/2023] Open
Abstract
Curcumin exerts beneficial effects on cardiovascular diseases, including hypertension. However, its mechanisms are unknown. We propose that curcumin prevents the development of hypertension by regulating AT1 receptor (AT1R) expression in arteries. The present study examined how curcumin regulates AT1R expression in vascular smooth muscle cells and investigated the physiological significance of this regulation in angiotensin (Ang) II-induced hypertension. The results showed that curcumin decreased AT1R expression in a concentration- and time-dependent manner in vascular smooth muscle cells. Using luciferase reporters with an entire AT1 or a mutant AT1R in A10 cells, the AT1R promoter activity was inhibited by 10−6 M curcumin, and the proximal element (from −61 to +25 bp) of the AT1R promoter was crucial for curcumin-induced AT1R down-regulation. An electrophoretic mobility shift assay showed that curcumin decreased specificity protein 1 (SP1) binding with the AT1R promoter in A10 cells. Curcumin treatment reduced Ang II-induced hypertension in C57Bl/6J mice, which was accompanied by lower AT1R expression in the arteries and decreased Ang II-mediated vasoconstriction in the mesenteric artery. These findings indicate that curcumin down-regulates AT1R expression in A10 cells by affecting SP1/AT1R DNA binding, thus reducing AT1R-mediated vasoconstriction and subsequently prevents the development of hypertension in an Ang II-induced hypertensive model.
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Affiliation(s)
- Yonggang Yao
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, P. R. China.,Chongqing Institute of Cardiology, Chongqing, P. R. China
| | - Wei Wang
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, P. R. China.,Chongqing Institute of Cardiology, Chongqing, P. R. China
| | - Meixiang Li
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, P. R. China.,Chongqing Institute of Cardiology, Chongqing, P. R. China
| | - Hongmei Ren
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, P. R. China.,Chongqing Institute of Cardiology, Chongqing, P. R. China
| | - Caiyu Chen
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, P. R. China.,Chongqing Institute of Cardiology, Chongqing, P. R. China
| | - Jialiang Wang
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, P. R. China.,Chongqing Institute of Cardiology, Chongqing, P. R. China
| | - Wei Eric Wang
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, P. R. China.,Chongqing Institute of Cardiology, Chongqing, P. R. China
| | - Jian Yang
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, P. R. China.,Chongqing Institute of Cardiology, Chongqing, P. R. China.,Department of Nutrition, Daping Hospital, The Third Military Medical University, Chongqing, P. R. China
| | - Chunyu Zeng
- Department of Cardiology, Daping Hospital, The Third Military Medical University, Chongqing, P. R. China.,Chongqing Institute of Cardiology, Chongqing, P. R. China
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Prolonged Effects of Silver Nanoparticles on p53/p21 Pathway-Mediated Proliferation, DNA Damage Response, and Methylation Parameters in HT22 Hippocampal Neuronal Cells. Mol Neurobiol 2016; 54:1285-1300. [PMID: 26843106 PMCID: PMC5310673 DOI: 10.1007/s12035-016-9688-6] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2015] [Accepted: 01/05/2016] [Indexed: 12/31/2022]
Abstract
It is widely accepted that silver nanoparticles (AgNPs) are toxic to biological systems. However, little is known about their actions at molecular level and the cytophysiological effects after AgNP removal. As nanoparticles are suggested a promising tool to transport drugs to the brain for use in neurological conditions, we used HT22 mouse hippocampal neuronal cells as a model to study AgNP-mediated effects after their removal from the cell culture medium. We selected a relatively low concentration of AgNPs, 5 μg/ml, treated the cells for 48 h, and evaluated AgNP-induced cytophysiological effects after 96 h of AgNP removal. AgNP removal did not result in cytotoxicity. In contrast, AgNPs modulated HT22 cell cycle and proliferation and induced oxidative stress and 53BP1 recruitment, which were accompanied by elevated levels of p53 and p21. AgNP-associated diminution in lamin B1 pools did not significantly affect the structure of the nucleus. No disruption in F-actin dynamics was observed upon AgNP treatment. Moreover, we showed for the first time that AgNPs stimulated changes in DNA methylation: the augmentation in 5-methylcytosine (5-mC) and DNMT1, DNMT2, DNMT3a, and DNMT3b levels were observed. The upregulation of DNMT2 may be a part of cellular stress response to AgNP treatment. Taken together, AgNP removal resulted in p53/p21-mediated inhibition of cell proliferation, oxidant-based DNA damage response, and changes in DNA methylation patterns, which suggests that more attention should be paid to the possible outcomes in individuals exposed to nano-sized biomaterials.
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Bojko A, Cierniak A, Adamczyk A, Ligeza J. Modulatory Effects of Curcumin and Tyrphostins (AG494 and AG1478) on Growth Regulation and Viability of LN229 Human Brain Cancer Cells. Nutr Cancer 2015; 67:1170-82. [DOI: 10.1080/01635581.2015.1073764] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Agnieszka Bojko
- Department of General Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Agnieszka Cierniak
- Department of General Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Anna Adamczyk
- Department of General Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
| | - Janusz Ligeza
- Department of General Biochemistry, Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, Krakow, Poland
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