301
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Martel J, Ojcius DM, Ko YF, Chang CJ, Young JD. Antiaging effects of bioactive molecules isolated from plants and fungi. Med Res Rev 2019; 39:1515-1552. [PMID: 30648267 DOI: 10.1002/med.21559] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2018] [Revised: 12/06/2018] [Accepted: 12/08/2018] [Indexed: 12/14/2022]
Affiliation(s)
- Jan Martel
- Center for Molecular and Clinical Immunology, Chang Gung University; Taoyuan Taiwan Republic of China
- Chang Gung Immunology Consortium, Linkou Chang Gung Memorial Hospital; Taoyuan Taiwan, Republic of China
| | - David M. Ojcius
- Center for Molecular and Clinical Immunology, Chang Gung University; Taoyuan Taiwan Republic of China
- Chang Gung Immunology Consortium, Linkou Chang Gung Memorial Hospital; Taoyuan Taiwan, Republic of China
- Department of Biomedical Sciences; University of the Pacific, Arthur Dugoni School of Dentistry; San Francisco California
| | - Yun-Fei Ko
- Chang Gung Immunology Consortium, Linkou Chang Gung Memorial Hospital; Taoyuan Taiwan, Republic of China
- Chang Gung Biotechnology Corporation; Taipei Taiwan Republic of China
- Biochemical Engineering Research Center, Ming Chi University of Technology; New Taipei City Taiwan Republic of China
| | - Chih-Jung Chang
- Center for Molecular and Clinical Immunology, Chang Gung University; Taoyuan Taiwan Republic of China
- Chang Gung Immunology Consortium, Linkou Chang Gung Memorial Hospital; Taoyuan Taiwan, Republic of China
- Department of Medical Biotechnology and Laboratory Science; College of Medicine, Chang Gung University; Taoyuan Taiwan Republic of China
- Research Center of Bacterial Pathogenesis, Chang Gung University; Taoyuan Taiwan Republic of China
- Department of Microbiology and Immunology; College of Medicine, Chang Gung University; Taoyuan Taiwan Republic of China
| | - John D. Young
- Center for Molecular and Clinical Immunology, Chang Gung University; Taoyuan Taiwan Republic of China
- Chang Gung Immunology Consortium, Linkou Chang Gung Memorial Hospital; Taoyuan Taiwan, Republic of China
- Chang Gung Biotechnology Corporation; Taipei Taiwan Republic of China
- Biochemical Engineering Research Center, Ming Chi University of Technology; New Taipei City Taiwan Republic of China
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302
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Artsi H, Gurt I, El-Haj M, Müller R, Kuhn GA, Ben Shalom G, Cohen-Kfir E, Abramowitz E, Kandel L, Safran O, Dresner-Pollak R. Sirt1 Promotes a Thermogenic Gene Program in Bone Marrow Adipocytes: From Mice to (Wo)Men. Front Endocrinol (Lausanne) 2019; 10:126. [PMID: 30873124 PMCID: PMC6403178 DOI: 10.3389/fendo.2019.00126] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Accepted: 02/11/2019] [Indexed: 12/22/2022] Open
Abstract
Bone marrow adipose tissue (MAT) is influenced by nutritional cues, and participates in whole body energy metabolism. To investigate the role of Sirtuin1 (Sirt1), a key player in metabolism, in MAT, marrow adiposity was evaluated in inbred 5-month-old 129/Sv Sirt1 haplo-insufficient (Sirt1 Δ/+) and wild type (WT) mice. Decreased expression of the thermogenic genes: Prdm16, Pgc1α, Foxc2, Dio2, and β3AR was detected in whole tibiae derived from Sirt1 Δ/+ compared to WT female mice. Similarly, decreased expression of Prdm16 and Pgc1α was observed in primary bone marrow mesenchymal stem cell (BM-MSC) cultures obtained from Sirt1 Δ/+ compared to WT female mice, suggesting a cell autonomous effect of Sirt1 in BM-MSCs. In vitro, Sirt1 over-expression in the mesenchymal embryonic fibroblast stem cell line C3HT101/2 increased Pgc1α and Prdm16 protein level. Similarly, pharmacologic activation of Sirt1 by SRT3025 increased Foxc2, Pgc1α, Dio2, Tfam, and Cyc1 expression while inhibition of Sirt1 by EX527 down-regulated UCP1 in C3HT101/2 cells. Importantly, in human femoral BM-MSCs obtained from female patients undergoing hip operations for fracture or osteoarthritis, Sirt1 activation by SRT3025 increased PGC1α mRNA and protein level. Blocking sclerostin, an inhibitor of the WNT pathway and a Sirt1 target, by the monoclonal humanized antibody (Sc-AbII), stimulated β3AR, PRDM16, and UCP1 gene expression, and increased PGC1α protein level. These results show that Sirt1 stimulates a thermogenic gene program in marrow adipocytes in mice and humans via PGC1α activation and sclerostin inhibition. The implications of these findings to bone health, hematopoiesis and whole body energy metabolism remain to be investigated.
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Affiliation(s)
- Hanna Artsi
- Division of Medicine, Department of Endocrinology and Metabolism, Faculty of Medicine, The Hadassah Medical Center, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Irina Gurt
- Division of Medicine, Department of Endocrinology and Metabolism, Faculty of Medicine, The Hadassah Medical Center, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Madi El-Haj
- Department of Orthopedics, Faculty of Medicine, The Hadassah Medical Center, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Ralph Müller
- Department of Health Sciences and Technology, Institute for Biomechanics, ETH Zurich, Zurich, Switzerland
| | - Gisela A. Kuhn
- Department of Health Sciences and Technology, Institute for Biomechanics, ETH Zurich, Zurich, Switzerland
| | - Gal Ben Shalom
- Division of Medicine, Department of Endocrinology and Metabolism, Faculty of Medicine, The Hadassah Medical Center, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Einav Cohen-Kfir
- Division of Medicine, Department of Endocrinology and Metabolism, Faculty of Medicine, The Hadassah Medical Center, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Eva Abramowitz
- Division of Medicine, Department of Endocrinology and Metabolism, Faculty of Medicine, The Hadassah Medical Center, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Leonid Kandel
- Department of Orthopedics, Faculty of Medicine, The Hadassah Medical Center, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Ori Safran
- Department of Orthopedics, Faculty of Medicine, The Hadassah Medical Center, Hebrew University of Jerusalem, Jerusalem, Israel
| | - Rivka Dresner-Pollak
- Division of Medicine, Department of Endocrinology and Metabolism, Faculty of Medicine, The Hadassah Medical Center, Hebrew University of Jerusalem, Jerusalem, Israel
- *Correspondence: Rivka Dresner-Pollak
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303
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Lascano S, Lopez M, Arimondo PB. Natural Products and Chemical Biology Tools: Alternatives to Target Epigenetic Mechanisms in Cancers. CHEM REC 2018; 18:1854-1876. [PMID: 30537358 DOI: 10.1002/tcr.201800133] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 11/05/2018] [Accepted: 11/05/2018] [Indexed: 12/21/2022]
Abstract
DNA methylation and histone acetylation are widely studied epigenetic modifications. They are involved in numerous pathologies such as cancer, neurological disease, inflammation, obesity, etc. Since the discovery of the epigenome, numerous compounds have been developed to reverse DNA methylation and histone acetylation aberrant profile in diseases. Among them several were inspired by Nature and have a great interest as therapeutic molecules. In the quest of finding new ways to target epigenetic mechanisms, the use of chemical tools is a powerful strategy to better understand epigenetic mechanisms in biological systems. In this review we will present natural products reported as DNMT or HDAC inhibitors for anticancer treatments. We will then discuss the use of chemical tools that have been used in order to explore the epigenome.
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Affiliation(s)
- Santiago Lascano
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247 CNRS-Université de Montpellier-ENSCM, 240 avenue du Prof. E. Jeanbrau, 34296, Montpellier cedex 5, France
| | - Marie Lopez
- Institut des Biomolécules Max Mousseron (IBMM), UMR 5247 CNRS-Université de Montpellier-ENSCM, 240 avenue du Prof. E. Jeanbrau, 34296, Montpellier cedex 5, France
| | - Paola B Arimondo
- Epigenetic Chemical Biology, Institut Pasteur, CNRS UMR3523, 28 rue du Docteur Roux, 75724, Paris cedex 15, France
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304
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Kanwal A. Functional and therapeutic potential of mitochondrial SIRT3 deacetylase in disease conditions. Expert Rev Clin Pharmacol 2018; 11:1151-1155. [DOI: 10.1080/17512433.2018.1546119] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Affiliation(s)
- Abhinav Kanwal
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education (MAHE), Manipal, India
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305
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You W, Steegborn C. Structural Basis of Sirtuin 6 Inhibition by the Hydroxamate Trichostatin A: Implications for Protein Deacylase Drug Development. J Med Chem 2018; 61:10922-10928. [PMID: 30395713 DOI: 10.1021/acs.jmedchem.8b01455] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Protein lysine deacylases comprise three zinc-dependent families and the NAD+-dependent sirtuins Sirt1-7, which contribute to aging-related diseases. Few Sirt6-specific inhibitors are available. Trichostatin A, which belongs to the potent, zinc-chelating hydroxamate inhibitors of zinc-dependent deacylases, was recently found to potently and isoform-specifically inhibit Sirt6. We solved a crystal structure of a Sirt6/ADP-ribose/trichostatin A complex, which reveals nicotinamide pocket and acyl channel as binding site and provides interaction details supporting the development of improved deacylase inhibitors.
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Affiliation(s)
- Weijie You
- Department of Biochemistry , University of Bayreuth , Universitätsstraße 30 , 95445 Bayreuth , Germany
| | - Clemens Steegborn
- Department of Biochemistry , University of Bayreuth , Universitätsstraße 30 , 95445 Bayreuth , Germany
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306
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Metabolite sensing and signaling in cell metabolism. Signal Transduct Target Ther 2018; 3:30. [PMID: 30416760 PMCID: PMC6224561 DOI: 10.1038/s41392-018-0024-7] [Citation(s) in RCA: 104] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2018] [Revised: 05/27/2018] [Accepted: 05/31/2018] [Indexed: 02/07/2023] Open
Abstract
Metabolite sensing is one of the most fundamental biological processes. During evolution, multilayered mechanisms developed to sense fluctuations in a wide spectrum of metabolites, including nutrients, to coordinate cellular metabolism and biological networks. To date, AMPK and mTOR signaling are among the best-understood metabolite-sensing and signaling pathways. Here, we propose a sensor-transducer-effector model to describe known mechanisms of metabolite sensing and signaling. We define a metabolite sensor by its specificity, dynamicity, and functionality. We group the actions of metabolite sensing into three different modes: metabolite sensor-mediated signaling, metabolite-sensing module, and sensing by conjugating. With these modes of action, we provide a systematic view of how cells sense sugars, lipids, amino acids, and metabolic intermediates. In the future perspective, we suggest a systematic screen of metabolite-sensing macromolecules, high-throughput discovery of biomacromolecule-metabolite interactomes, and functional metabolomics to advance our knowledge of metabolite sensing and signaling. Most importantly, targeting metabolite sensing holds great promise in therapeutic intervention of metabolic diseases and in improving healthy aging. A simple, three-part model provides a systematic view of how cells sense sugars, lipids, amino acids and metabolic intermediates. Cells quickly and accurately perceive changes in intra- and extracellular molecules such as nutrients to respond to changing environments. Drawing on existing knowledge about AMPK and MTORC1 signaling, Yi-Ping Wang and Qun-Ying Lei at Fudan University in Shanghai propose a model in which three components: a sensor, transducer and effector enable metabolic sensing and signaling to proceed. The sensor detects the metabolite, and, through conjugation, conformational changes or protein–protein interactions, transmits this information to the transducer, which decides the appropriate response. The transducer then issues orders to effector proteins which coordinate the action. The future identification of novel metabolic sensors through systematic screening could lead to new therapeutic interventions for metabolic and age-related diseases.
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307
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Rizzi L, Roriz-Cruz M. Sirtuin 1 and Alzheimer's disease: An up-to-date review. Neuropeptides 2018; 71:54-60. [PMID: 30007474 DOI: 10.1016/j.npep.2018.07.001] [Citation(s) in RCA: 59] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2018] [Revised: 05/29/2018] [Accepted: 07/08/2018] [Indexed: 10/28/2022]
Abstract
Sirtuins are NAD+-dependent enzymes that regulate a large number of cellular pathways and are related to aging and age-associated diseases. In recent years, the role of sirtuins in Alzheimer's disease (AD) has become increasingly apparent. Growing evidence demonstrates that sirtuin 1 (SIRT1) regulates many processes that go amiss in AD, such as: APP processing, neuroinflammation, neurodegeneration, and mitochondrial dysfunction. Here we review how SIRT1 affects AD and cognition, the main mechanisms in which SIRT1 is related to AD pathology, and its importance for the prevention and possible diagnosis of AD.
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Affiliation(s)
- Liara Rizzi
- Division of Geriatric Neurology, Neurology Service, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS 90035-903, Brazil; School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS 90035-903, Brazil.
| | - Matheus Roriz-Cruz
- Division of Geriatric Neurology, Neurology Service, Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS 90035-903, Brazil; School of Medicine, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS 90035-903, Brazil
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308
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Simeoni F, Somervaille TCP. Revert the SIRT: Normalizing SIRT1 Activity in Myelodysplastic Stem Cells. Cell Stem Cell 2018; 23:315-317. [PMID: 30193128 DOI: 10.1016/j.stem.2018.08.003] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Abstract
Myelodysplastic syndromes are hematologic malignancies with few treatment options and a propensity to transform to acute myeloid leukemia. In this issue of Cell Stem Cell, Sun et al. (2018) report that low SIRT1 levels in myelodysplastic stem cells contribute to aberrant self-renewal through enabling hyperacetylation and reduced activity of TET2.
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Affiliation(s)
- Fabrizio Simeoni
- Leukaemia Biology Laboratory, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, M20 4JG, UK
| | - Tim C P Somervaille
- Leukaemia Biology Laboratory, Cancer Research UK Manchester Institute, The University of Manchester, Manchester, M20 4JG, UK.
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309
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Locatelli FM, Kawano T, Iwata H, Aoyama B, Eguchi S, Nishigaki A, Yamanaka D, Tateiwa H, Shigematsu-Locatelli M, Yokoyama M. Resveratrol-loaded nanoemulsion prevents cognitive decline after abdominal surgery in aged rats. J Pharmacol Sci 2018; 137:395-402. [PMID: 30196020 DOI: 10.1016/j.jphs.2018.08.006] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2018] [Revised: 08/12/2018] [Accepted: 08/17/2018] [Indexed: 12/12/2022] Open
Abstract
The maladaptive response of aged microglia to surgery and consequent neuroinflammation plays a key pathogenic role in postoperative cognitive dysfunction (POCD). Here, we assessed the preventive effect of resveratrol (RESV) for POCD in aged rats. The emulsified form of RESV (e-RESV) was selected to improve its oral and brain bioavailability. Animals were assigned to one of four groups: e-RESV (80 mg/kg) versus vehicle treatment by abdominal surgery versus isoflurane anesthesia alone (n = 8 in each group). The dose-dependent effects of e-RESV were also assessed in dose range of 0-60 mg/kg. Either vehicle or e-RESV was administered intragastrically 24 h before surgery. Seven days after procedure, cognitive function was evaluated using a novel object recognition test, followed by measurement of hippocampal pro-inflammatory cytokine levels. Our results showed that pre-treatment with e-RESV attenuated the surgery-induced cognitive impairment and related hippocampal neuroinflammation at 40 mg/kg or higher doses. Additionally, the ex-vivo experiments revealed that the preemptive e-RESV regimen reduced the hippocampal microglial immune reactivity to lipopolysaccharide. Furthermore, e-RESV induced neuroprotective benefits were inhibited by the concomitant administration of sirtinol, a specific SIRT1 inhibitor. Our findings imply the preventive potential of e-RESV for POCD via the SIRT1 signaling pathway.
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Affiliation(s)
- Fabricio M Locatelli
- Department of Anesthesiology and Intensive Care Medicine, Kochi Medical School, Oko, Nankoku, Kochi 783-8505, Japan
| | - Takashi Kawano
- Department of Anesthesiology and Intensive Care Medicine, Kochi Medical School, Oko, Nankoku, Kochi 783-8505, Japan.
| | - Hideki Iwata
- Department of Anesthesiology and Intensive Care Medicine, Kochi Medical School, Oko, Nankoku, Kochi 783-8505, Japan
| | - Bun Aoyama
- Department of Anesthesiology and Intensive Care Medicine, Kochi Medical School, Oko, Nankoku, Kochi 783-8505, Japan
| | - Satoru Eguchi
- Department of Dental Anesthesiology, Tokushima University School of Dentistry, 3-18-15 Kuramoto, Tokushima, 770-8504, Japan
| | - Atsushi Nishigaki
- Department of Anesthesiology and Intensive Care Medicine, Kochi Medical School, Oko, Nankoku, Kochi 783-8505, Japan
| | - Daiki Yamanaka
- Department of Anesthesiology and Intensive Care Medicine, Kochi Medical School, Oko, Nankoku, Kochi 783-8505, Japan
| | - Hiroki Tateiwa
- Department of Anesthesiology and Intensive Care Medicine, Kochi Medical School, Oko, Nankoku, Kochi 783-8505, Japan
| | - Marie Shigematsu-Locatelli
- Department of Anesthesiology and Intensive Care Medicine, Kochi Medical School, Oko, Nankoku, Kochi 783-8505, Japan
| | - Masataka Yokoyama
- Department of Anesthesiology and Intensive Care Medicine, Kochi Medical School, Oko, Nankoku, Kochi 783-8505, Japan
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