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Nguyen CT, Nakayama M, Ishigaki H, Kitagawa Y, Kakino A, Ohno M, Shingai M, Suzuki Y, Sawamura T, Kida H, Itoh Y. Increased expression of CD38 on endothelial cells in SARS-CoV-2 infection in cynomolgus macaques. Virology 2024; 594:110052. [PMID: 38507920 DOI: 10.1016/j.virol.2024.110052] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 02/21/2024] [Accepted: 03/06/2024] [Indexed: 03/22/2024]
Abstract
SARS-CoV-2 infection causes activation of endothelial cells (ECs), leading to dysmorphology and dysfunction. To study the pathogenesis of endotheliopathy, the activation of ECs in lungs of cynomolgus macaques after SARS-CoV-2 infection and changes in nicotinamide adenine dinucleotide (NAD) metabolism in ECs were investigated, with a focus on the CD38 molecule, which degrades NAD in inflammatory responses after SARS-CoV-2 infection. Activation of ECs was seen from day 3 after SARS-CoV-2 infection in macaques, with increases of intravascular fibrin and NAD metabolism-associated enzymes including CD38. In vitro, upregulation of CD38 mRNA in human ECs was detected after interleukin 6 (IL-6) trans-signaling induction, which was increased in the infection. In the presence of IL-6 trans-signaling stimulation, however, CD38 mRNA silencing induced significant IL-6 mRNA upregulation in ECs and promoted EC apoptosis after stimulation. These results suggest that upregulation of CD38 in patients with COVID-19 has a protective role against IL-6 trans-signaling stimulation induced by SARS-CoV-2 infection.
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Affiliation(s)
- Cong Thanh Nguyen
- Division of Pathogenesis and Disease Regulation, Department of Pathology, Shiga University of Medical Science, Otsu, Japan
| | - Misako Nakayama
- Division of Pathogenesis and Disease Regulation, Department of Pathology, Shiga University of Medical Science, Otsu, Japan
| | - Hirohito Ishigaki
- Division of Pathogenesis and Disease Regulation, Department of Pathology, Shiga University of Medical Science, Otsu, Japan
| | - Yoshinori Kitagawa
- Division of Microbiology and Infectious Diseases, Department of Pathology, Shiga University of Medical Science, Otsu, Japan
| | - Akemi Kakino
- Department of Molecular Pathophysiology, School of Medicine, Shinshu University, Matsumoto, Japan
| | - Marumi Ohno
- International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan; One Health Research Center, Hokkaido University, Sapporo, Japan
| | - Masashi Shingai
- International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Yasuhiko Suzuki
- International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan; Institute for Vaccine Research and Development, Hokkaido University, Sapporo, Japan
| | - Tatsuya Sawamura
- Department of Molecular Pathophysiology, School of Medicine, Shinshu University, Matsumoto, Japan
| | - Hiroshi Kida
- International Institute for Zoonosis Control, Hokkaido University, Sapporo, Japan
| | - Yasushi Itoh
- Division of Pathogenesis and Disease Regulation, Department of Pathology, Shiga University of Medical Science, Otsu, Japan; Central Research Laboratory, Shiga University of Medical Science, Otsu, Japan.
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Deng S, Men X, Hu M, Liang X, Dai Y, Zhan Z, Huang Z, Chen H, Dong Z. Ratiometric fluorescence sensing NADH using AIE-dots transducers at the point of care. Biosens Bioelectron 2024; 250:116082. [PMID: 38308942 DOI: 10.1016/j.bios.2024.116082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2023] [Revised: 01/13/2024] [Accepted: 01/26/2024] [Indexed: 02/05/2024]
Abstract
Reduced nicotinamide adenine dinucleotide (NADH) has a strong impact on physiological metabolism, and its concentration is related to metabolic and neurodegenerative diseases. A more reliable and accurate detection method for NADH quantitation is needed for early disease diagnosis and point-of-care testing. Aggregation-induced emission (AIE) materials are widely used to improve the sensitivity in analytes assays due to their anti-aggregation-caused quenching property. Here we developed TPA-BQD-Py AIE-dots transducers and evaluated its performance in NADH detection. The NADH concentration-dependent ratiometric sensing was based on electron transfer from TPA-BQD-Py AIE-dots to NADH with variable fluorescence intensity at 584 nm and 470 nm, resulting in high sensitivity (limit of detection at 110 nM), photostability, selectivity, and a rapid and reversible response. We further developed the application of TPA-BQD-Py AIE-dots transducers in in vivo NADH imaging using a smartphone and digital camera, respectively, demonstrating the potential for NADH point-of-care testing.
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Affiliation(s)
- Sile Deng
- Department of Biomedical Engineering, School of Basic Medical Sciences, Central South University, Changsha, 410013, China
| | - Xiaoju Men
- Department of Biomedical Engineering, School of Basic Medical Sciences, Central South University, Changsha, 410013, China; Hunan Key Laboratory of the Research and Development of Novel Pharmaceutical Preparations, College of Pharmacy, Changsha Medical University, Changsha, 410219, China
| | - Muhua Hu
- Department of Biomedical Engineering, School of Basic Medical Sciences, Central South University, Changsha, 410013, China
| | - Xiao Liang
- Department of Biomedical Engineering, School of Basic Medical Sciences, Central South University, Changsha, 410013, China
| | - Yujuan Dai
- Department of Biomedical Engineering, School of Basic Medical Sciences, Central South University, Changsha, 410013, China
| | - Zhengkun Zhan
- Department of Biomedical Engineering, School of Basic Medical Sciences, Central South University, Changsha, 410013, China
| | - Zhongchao Huang
- Department of Biomedical Engineering, School of Basic Medical Sciences, Central South University, Changsha, 410013, China
| | - Haobin Chen
- Department of Biomedical Engineering, School of Basic Medical Sciences, Central South University, Changsha, 410013, China; Furong Laboratory, Changsha, Hunan, China.
| | - Zhuxin Dong
- Department of Biomedical Engineering, School of Basic Medical Sciences, Central South University, Changsha, 410013, China; Furong Laboratory, Changsha, Hunan, China.
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Lee D, Tomita Y, Shinojima A, Ban N, Yamaguchi S, Nishioka K, Negishi K, Yoshino J, Kurihara T. Nicotinamide mononucleotide, a potential future treatment in ocular diseases. Graefes Arch Clin Exp Ophthalmol 2024; 262:689-700. [PMID: 37335334 DOI: 10.1007/s00417-023-06118-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 05/10/2023] [Accepted: 05/12/2023] [Indexed: 06/21/2023] Open
Abstract
PURPOSE The burden of ocular diseases has been gradually increasing worldwide. Various factors are suggested for the development and progression of ocular diseases, such as ocular inflammation, oxidative stress, and complex metabolic dysregulation. Thus, managing ocular diseases requires the modulation of pathologic signaling pathways through many mechanisms. Nicotinamide mononucleotide (NMN) is a bioactive molecule naturally found in life forms. NMN is a direct precursor of the important molecule nicotinamide adenine dinucleotide (NAD+), an essential co-enzyme required for enormous cellular functions in most life forms. While the recent experimental evidence of NMN treatment in various metabolic diseases has been well-reviewed, NMN treatment in ocular diseases has not been comprehensively summarized yet. In this regard, we aimed to focus on the therapeutic roles of NMN treatment in various ocular diseases with recent advances. METHODS How we came to our current opinion with a recent summary was described based on our own recent reports as well as a search of the related literature. RESULTS We found that NMN treatment might be available for the prevention of and protection from various experimental ocular diseases, as NMN treatment modulated ocular inflammation, oxidative stress, and complex metabolic dysregulation in murine models for eye diseases such as ischemic retinopathy, corneal defect, glaucoma, and age-related macular degeneration. CONCLUSION Our current review suggests and discusses new modes of actions of NMN for the prevention of and protection from various ocular diseases and can urge future research to obtain more solid evidence on a potential future NMN treatment in ocular diseases at the preclinical stages.
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Affiliation(s)
- Deokho Lee
- Laboratory of Photobiology, Keio University School of Medicine, Tokyo, 160-8582, Japan
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Yohei Tomita
- Laboratory of Photobiology, Keio University School of Medicine, Tokyo, 160-8582, Japan
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Ari Shinojima
- Laboratory of Photobiology, Keio University School of Medicine, Tokyo, 160-8582, Japan
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Norimitsu Ban
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Shintaro Yamaguchi
- Department of Internal Medicine, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Ken Nishioka
- Department of Internal Medicine, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Kazuno Negishi
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Jun Yoshino
- Department of Internal Medicine, Keio University School of Medicine, Tokyo, 160-8582, Japan
| | - Toshihide Kurihara
- Laboratory of Photobiology, Keio University School of Medicine, Tokyo, 160-8582, Japan.
- Department of Ophthalmology, Keio University School of Medicine, Tokyo, 160-8582, Japan.
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Dai C, Hou M, Yang X, Wang Z, Sun C, Wu X, Wang S. Increased NAD + levels protect female mouse reproductive system against zearalenone-impaired glycolysis, lipid metabolism, antioxidant capacity and inflammation. Reprod Toxicol 2024; 124:108530. [PMID: 38159578 DOI: 10.1016/j.reprotox.2023.108530] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/26/2023] [Accepted: 12/27/2023] [Indexed: 01/03/2024]
Abstract
The reproductive system is a primary target organ for zearalenone (ZEN, a widespread fusarium mycotoxin) to exert its toxic effects, including decreased antioxidant capacity and aggravated inflammatory response. These ZEN-induced reproductive abnormalities are partially caused by the declining levels of nicotinamide adenine dinucleotide (NAD+), which results in an imbalance in lipid/glucose metabolism. Accordingly, the present study aimed to investigate whether supplements of nicotinamide mononucleotide (NMN, a NAD+ precursor) in female mice could protect against ZEN-induced reproductive toxicity. In this study, thirty female mice were randomly divided into three groups that were intragastrically administered with i) 0.5% DMSO (the Ctrl group), ii) 3 mg/(kg bw.d) ZEN (the ZEN group), or iii) ZEN + 500 mg/(kg bw.d) NMN (the ZEN/NMN group) for two weeks. The results revealed that, compared with the Ctrl group, animals exposed to ZEN exhibited reproductive toxicity, such as decreased antioxidant capacity and aggravated inflammatory response in reproductive tissues. These effects were strongly correlated with lower activities in key glycolytic enzymes (e.g., ALDOA and PGK), but increased expressions in key lipid-synthesis genes (e.g., LPIN1 and ATGL). These changes contribute to lipid accumulation, specifically for diacylglycerols (DAGs). Furthermore, these ZEN-induced changes were linked with disturbed NAD+ synthesis/degradation, and subsequently decreased NAD+ levels. Notably, NMN supplements in mice protected against these ZEN-induced reproductive abnormalities by boosting NAD+ levels. Herein, the present findings demonstrate that potential strategies to enhance NAD+ levels can protect against ZEN-induced reproductive toxicity.
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Affiliation(s)
- Chao Dai
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China; Institute of Life Sciences, Chongqing Medical University, Chongqing 400032, China; College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mengqian Hou
- Institute of Life Sciences, Chongqing Medical University, Chongqing 400032, China
| | - Xudong Yang
- Tianjin Key Laboratory of Agricultural Animal Breeding and Healthy Husbandry, College of Animal Science and Veterinary Medicine, Tianjin Agricultural University, Tianjin 300392, China
| | - Zhefeng Wang
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China; College of Advanced Agricultural Sciences, University of Chinese Academy of Sciences, Beijing 100049, China
| | - Changpo Sun
- Academy of National Food and Strategic Reserves Administration, Beijing 100037, China; Standards and Quality Center of National Food and Strategic Reserves Administration, Beijing 100037, China
| | - Xin Wu
- Key Laboratory of Agro-ecological Processes in Subtropical Region, Institute of Subtropical Agriculture, Chinese Academy of Sciences, Changsha 410125, China; Tianjin Institute of Industrial Biotechnology, Chinese Academy of Sciences, Tianjin 300308, China.
| | - Shujin Wang
- Institute of Life Sciences, Chongqing Medical University, Chongqing 400032, China.
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Yamaguchi S, Irie J, Mitsuishi M, Uchino Y, Nakaya H, Takemura R, Inagaki E, Kosugi S, Okano H, Yasui M, Tsubota K, Hayashi K, Yoshino J, Itoh H. Safety and efficacy of long-term nicotinamide mononucleotide supplementation on metabolism, sleep, and nicotinamide adenine dinucleotide biosynthesis in healthy, middle-aged Japanese men. Endocr J 2024; 71:153-169. [PMID: 38191197 DOI: 10.1507/endocrj.ej23-0431] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/10/2024] Open
Abstract
Obesity and aging are major risk factors for several life-threatening diseases. Accumulating evidence from both rodents and humans suggests that the levels of nicotinamide adenine dinucleotide (NAD+), a regulator of many biological processes, declines in multiple organs and tissues with aging and obesity. Administration of an NAD+ intermediate, nicotinamide mononucleotide (NMN), replenishes intracellular NAD+ levels and mitigates aging- and obesity-associated derangements in animal models. In this human clinical study, we aimed to investigate the safety and effects of 8-week oral administration of NMN on biochemical, metabolic, ophthalmologic, and sleep quality parameters as well as on chronological alterations in NAD+ content in peripheral tissues. An 8-week, single-center, single-arm, open-label clinical trial was conducted. Eleven healthy, middle-aged Japanese men received two 125-mg NMN capsules once daily before breakfast. The 8-week NMN supplementation regimen was well-tolerated; NAD+ levels in peripheral blood mononuclear cells increased over the course of NMN administration. In participants with insulin oversecretion after oral glucose loading, NMN modestly attenuated postprandial hyperinsulinemia, a risk factor for coronary artery disease (n = 3). In conclusion, NMN overall safely and effectively boosted NAD+ biosynthesis in healthy, middle-aged Japanese men, showing its potential for alleviating postprandial hyperinsulinemia.
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Affiliation(s)
- Shintaro Yamaguchi
- Division of Endocrinology, Metabolism and Nephrology, Department of Internal Medicine, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Junichiro Irie
- Division of Endocrinology, Metabolism and Nephrology, Department of Internal Medicine, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Masanori Mitsuishi
- Division of Endocrinology, Metabolism and Nephrology, Department of Internal Medicine, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Yuichi Uchino
- Department of Ophthalmology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Hideaki Nakaya
- Division of Endocrinology, Metabolism and Nephrology, Department of Internal Medicine, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Ryo Takemura
- Biostatistics Unit, Clinical and Translational Research Center, Keio University Hospital, Tokyo 160-8582, Japan
| | - Emi Inagaki
- Department of Ophthalmology, Keio University School of Medicine, Tokyo 160-8582, Japan
- Department of Physiology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Shotaro Kosugi
- Division of Endocrinology, Metabolism and Nephrology, Department of Internal Medicine, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Hideyuki Okano
- Department of Physiology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Masato Yasui
- Department of Pharmacology, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Kazuo Tsubota
- Department of Ophthalmology, Keio University School of Medicine, Tokyo 160-8582, Japan
- Present address: Tsubota Laboratory, Inc, Tokyo 160-0016, Japan
| | - Kaori Hayashi
- Division of Endocrinology, Metabolism and Nephrology, Department of Internal Medicine, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Jun Yoshino
- Division of Endocrinology, Metabolism and Nephrology, Department of Internal Medicine, Keio University School of Medicine, Tokyo 160-8582, Japan
| | - Hiroshi Itoh
- Division of Endocrinology, Metabolism and Nephrology, Department of Internal Medicine, Keio University School of Medicine, Tokyo 160-8582, Japan
- Center for Preventive Medicine, Keio University Hospital, Tokyo 160-8582, Japan
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Cheng F, Zhang Y, Xiong H, Zhao M, Wang Q, Zhu Y, Li Y, Tang R, Li J. NMNATs expression inhibition mediated NAD + deficiency plays a critical role in doxorubicin-induced hepatotoxicity in mice. Toxicol Appl Pharmacol 2024; 482:116799. [PMID: 38160893 DOI: 10.1016/j.taap.2023.116799] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/06/2023] [Accepted: 12/26/2023] [Indexed: 01/03/2024]
Abstract
Doxorubicin (DOX) is one of the most widely used antineoplastic drugs with known cardiotoxicity while other organ toxicity, such as hepatotoxicity is not well defined. This study was to explore the role of nicotinamide adenine dinucleotide (NAD+) in DOX-induced hepatotoxicity. DOX (20 mg/kg) induced acute liver injury and oxidative stress in C57BL/6 J mice at 48 h. Notably, the expression of nuclear factor erythroid 2-related factor 2 (Nrf2) and NAD(P)H dehydrogenase quinone 1 (NQO1) were downregulated. NAD+ deficiency was confirmed due to DOX exposure. Mechanistically, the downregulation of nicotinamide mononucleotide adenylyl transferase 1 (NMNAT1), NMNAT2 and NMNAT3, while no alteration of nicotinamide phosphoribosyl transferase was proved. As a consequence of NAD+ deficiency, the expression of poly-ADP-ribose polymerase1 (PARP1), CD38 and Sirtuin1 (SIRT1) were reduced. Furthermore, supplementation of NAD+ (200 mg/kg/day) or its precursor nicotinamide mononucleotide (NMN) (500 mg/kg/day) alleviated liver injury, attenuated oxidative stress, and elevated the downregulation of Nrf2 and NQO1. More importantly, compromised expression of NMNAT1-3, PARP1, CD38 and SIRT1 were improved by NAD+ and NMN. In conclusion, NAD+ deficiency due to NMNATs expression inhibition may attribute to the pathogenesis of DOX-induced hepatotoxicity, thus providing new insights for mitigating DOX side effects.
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Affiliation(s)
- Fang Cheng
- Department of Forensic Medicine, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, PR China; Chongqing Engineering Research Center for Criminal Investigation Technology, Chongqing, PR China; Chongqing Key Laboratory of Forensic Medicine, Chongqing, PR China
| | - Yongtai Zhang
- Department of Forensic Medicine, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, PR China; Chongqing Engineering Research Center for Criminal Investigation Technology, Chongqing, PR China; Chongqing Key Laboratory of Forensic Medicine, Chongqing, PR China
| | - Hongli Xiong
- Department of Forensic Medicine, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, PR China; Chongqing Engineering Research Center for Criminal Investigation Technology, Chongqing, PR China; Chongqing Key Laboratory of Forensic Medicine, Chongqing, PR China
| | - Minzhu Zhao
- Department of Forensic Medicine, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, PR China; Chongqing Engineering Research Center for Criminal Investigation Technology, Chongqing, PR China; Chongqing Key Laboratory of Forensic Medicine, Chongqing, PR China
| | - Qi Wang
- Department of Forensic Medicine, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, PR China; Chongqing Engineering Research Center for Criminal Investigation Technology, Chongqing, PR China; Chongqing Key Laboratory of Forensic Medicine, Chongqing, PR China
| | - Ying Zhu
- Department of Forensic Medicine, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, PR China; Chongqing Engineering Research Center for Criminal Investigation Technology, Chongqing, PR China; Chongqing Key Laboratory of Forensic Medicine, Chongqing, PR China
| | - Yongguo Li
- Department of Forensic Medicine, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, PR China; Chongqing Engineering Research Center for Criminal Investigation Technology, Chongqing, PR China; Chongqing Key Laboratory of Forensic Medicine, Chongqing, PR China
| | - Renkuan Tang
- Department of Forensic Medicine, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, PR China; Chongqing Engineering Research Center for Criminal Investigation Technology, Chongqing, PR China; Chongqing Key Laboratory of Forensic Medicine, Chongqing, PR China
| | - Jianbo Li
- Department of Forensic Medicine, School of Basic Medical Sciences, Chongqing Medical University, Chongqing, PR China; Chongqing Engineering Research Center for Criminal Investigation Technology, Chongqing, PR China; Chongqing Key Laboratory of Forensic Medicine, Chongqing, PR China.
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Metcalfe M, David BT, Langley BC, Hill CE. Elevation of NAD + by nicotinamide riboside spares spinal cord tissue from injury and promotes locomotor recovery. Exp Neurol 2023; 368:114479. [PMID: 37454712 DOI: 10.1016/j.expneurol.2023.114479] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2023] [Revised: 06/28/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
Spinal cord injury (SCI)-induced tissue damage spreads to neighboring spared cells in the hours, days, and weeks following injury, leading to exacerbation of tissue damage and functional deficits. Among the biochemical changes is the rapid reduction of cellular nicotinamide adenine dinucleotide (NAD+), an essential coenzyme for energy metabolism and an essential cofactor for non-redox NAD+-dependent enzymes with critical functions in sensing and repairing damaged tissue. NAD+ depletion propagates tissue damage. Augmenting NAD+ by exogenous application of NAD+, its synthesizing enzymes, or its cellular precursors mitigates tissue damage. Nicotinamide riboside (NR) is considered to be one of the most promising NAD+ precursors for clinical application due to its ability to safely and effectively boost cellular NAD+ synthesis in rats and humans. Moreover, various preclinical studies have demonstrated that NR can provide tissue protection. Despite these promising findings, little is known about the potential benefits of NR in the context of SCI. In the current study, we tested whether NR administration could effectively increase NAD+ levels in the injured spinal cord and whether this augmentation of NAD+ would promote spinal cord tissue protection and ultimately lead to improvements in locomotor function. Our findings indicate that administering NR (500 mg/kg) intraperitoneally from four days before to two weeks after a mid-thoracic contusion-SCI injury, effectively doubles NAD+ levels in the spinal cord of Long-Evans rats. Moreover, NR administration plays a protective role in preserving spinal cord tissue post-injury, particularly in neurons and axons, as evident from the observed gray and white matter sparing. Additionally, it enhances motor function, as evaluated through the BBB subscore and missteps on the horizontal ladderwalk. Collectively, these findings demonstrate that administering NR, a precursor of NAD+, increases NAD+ within the injured spinal cord and effectively mitigates the tissue damage and functional decline that occurs following SCI.
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Affiliation(s)
- Mariajose Metcalfe
- Burke Neurological Institute, White Plains, NY, United States; Weill Cornell Medicine, Feil Family Brain and Mind Research Institute, New York, NY, United States.
| | - Brian T David
- Burke Neurological Institute, White Plains, NY, United States; Weill Cornell Medicine, Feil Family Brain and Mind Research Institute, New York, NY, United States.
| | - Brett C Langley
- Burke Neurological Institute, White Plains, NY, United States; Weill Cornell Medicine, Feil Family Brain and Mind Research Institute, New York, NY, United States.
| | - Caitlin E Hill
- Burke Neurological Institute, White Plains, NY, United States; Weill Cornell Medicine, Feil Family Brain and Mind Research Institute, New York, NY, United States.
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Guo C, Huang Q, Wang Y, Yao Y, Li J, Chen J, Wu M, Zhang Z, E M, Qi H, Ji P, Liu Q, Zhao D, Su H, Qi W, Li X. Therapeutic application of natural products: NAD + metabolism as potential target. Phytomedicine 2023; 114:154768. [PMID: 36948143 DOI: 10.1016/j.phymed.2023.154768] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 03/01/2023] [Accepted: 03/12/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND Nicotinamide adenine dinucleotide (NAD+) metabolism is involved in the entire physiopathological process and is critical to human health. Long-term imbalance in NAD+ homeostasis is associated with various diseases, including non-alcoholic fatty liver disease, diabetes mellitus, cardiovascular diseases, neurodegenerative disorders, aging, and cancer, making it a potential target for effective therapeutic strategies. Currently, several natural products that target NAD+ metabolism have been widely reported to have significant therapeutic effects, but systematic summaries are lacking. PURPOSE To summarize the latest findings on the prevention and treatment of various diseases through the regulation of NAD+ metabolism by various natural products in vivo and in vitro models, and evaluate the toxicities of the natural products. METHODS PubMed, Web of Science, and ScienceDirect were searched using the keywords "natural products sources," "toxicology," "NAD+ clinical trials," and "NAD+," and/or paired with "natural products" and "diseases" for studies published within the last decade until January 2023. RESULTS We found that the natural products mainly include phenols (curcumin, cyclocurcumin, 4-hydroxybenzyl alcohol, salvianolic acid B, pterostilbene, EGCG), flavonoids (pinostrobin, apigenin, acacetin, tilianin, kaempferol, quercetin, isoliquiritigenin, luteolin, silybin, hydroxysafflor yellow A, scutellarin), glycosides (salidroside), quinones (emodin, embelin, β-LAPachone, shikonin), terpenoids (notoginsenoside R1, ginsenoside F2, ginsenoside Rd, ginsenoside Rb1, ginsenoside Rg3, thymoquinone, genipin), pyrazines (tetramethylpyrazine), alkaloids (evodiamine, berberine), and phenylpropanoids (ferulic acid). These natural products have antioxidant, energy-producing, anti-inflammatory, anti-apoptotic and anti-aging effects, which mainly influence the NAMPT/NAD+/SIRT, AMPK/SIRT1/PGC-1α, Nrf2/HO-1, PKCs/PARPs/NF-κB, and AMPK/Nrf2/mTOR signaling pathways, thereby regulating NAD+ metabolism to prevent and treat various diseases. These natural products have been shown to be safe, tolerable and have fewer adverse effects in various in vivo and in vitro studies and clinical trials. CONCLUSION We evaluated the toxic effects of natural products and summarized the available clinical trials on NAD+ metabolism, as well as the recent advances in the therapeutic application of natural products targeting NAD+ metabolism, with the aim to provide new insights into the treatment of multiple disorders.
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Affiliation(s)
- Chen Guo
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China
| | - Qingxia Huang
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China; Research Center of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130021, China
| | - Yisa Wang
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China
| | - Yao Yao
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China
| | - Jing Li
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China
| | - Jinjin Chen
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China
| | - Mingxia Wu
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China
| | - Zepeng Zhang
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China; Research Center of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130021, China
| | - Mingyao E
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China
| | - Hongyu Qi
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China
| | - Peng Ji
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China
| | - Qing Liu
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China
| | - Daqing Zhao
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China
| | - Hang Su
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China
| | - Wenxiu Qi
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China.
| | - Xiangyan Li
- Northeast Asia Research Institute of Traditional Chinese Medicine, Key Laboratory of Active Substances and Biological Mechanisms of Ginseng Efficacy, Ministry of Education, Jilin Provincial Key Laboratory of Bio-Macromolecules of Chinese Medicine, Changchun University of Chinese Medicine, Changchun, Jilin, 130117, China.
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Li HR, Liu Q, Zhu CL, Sun XY, Sun CY, Yu CM, Li P, Deng XM, Wang JF. β-Nicotinamide mononucleotide activates NAD+/SIRT1 pathway and attenuates inflammatory and oxidative responses in the hippocampus regions of septic mice. Redox Biol 2023; 63:102745. [PMID: 37201414 DOI: 10.1016/j.redox.2023.102745] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2022] [Revised: 04/28/2023] [Accepted: 05/12/2023] [Indexed: 05/20/2023] Open
Abstract
Sepsis-associated encephalopathy (SAE) is one of the common serious complications in sepsis, and the pathogenesis of SAE remains unclear. Sirtuin 1 (SIRT1) has been reported to be downregulated in the hippocampus and SIRT1 agonists can attenuated the cognitive dysfunction in septic mice. Nicotinamide adenine dinucleotide (NAD+) is a key substrate to maintain the deacetylation activity of SIRT1. As an intermediate of NAD+, β-Nicotinamide Mononucleotide (NMN) has been reported to be promising in treating neurodegenerative diseases and cerebral ischemic injury. Thus we sought to investigate the potential role of NMN in SAE treatment. The SAE model was established by cecal ligation and puncture (CLP) in vivo, and neuroinflammation model was established with LPS-treated BV-2 cells in vitro. Memory impairment was assessed by Morris water maze and fear conditioning tests. As a result, the levels of NAD+, SIRT1 and PGC-1α were significantly reduced in the hippocampus of septic mice, while the acetylation of total lysine, phosphorylation of P38 and P65 were enhanced. All these changes induced by sepsis were inverted by NMN. Treating with NMN resulted in improved behavior performance in the fear conditioning tests and Morris water maze. Apoptosis, inflammatory and oxidative responses in the hippocampus of septic mice were attenuated significantly after NMN administration. These protective effect of NMN against memory dysfunction, inflammatory and oxidative injuries were reversed by the SIRT1 inhibitor, EX-527. Similarly, LPS-induced activation of BV-2 cells were attenuated by NMN, EX-527 or SIRT1 knockdown could reverse such effect of NMN in vitro. In conclusion, NMN is protective against sepsis-induced memory dysfunction, and the inflammatory and oxidative injuries in the hippocampus region of septic mice. The NAD+/SIRT1 pathway might be involved in one of the mechanisms of the protective effect.
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Affiliation(s)
- Hui-Ru Li
- School of Anesthesiology, Weifang Medical University, Weifang, 261053, China; Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Qiang Liu
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Cheng-Long Zhu
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Xiao-Yang Sun
- School of Anesthesiology, Weifang Medical University, Weifang, 261053, China; Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Chen-Yan Sun
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Chang-Meng Yu
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Peng Li
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, China
| | - Xiao-Ming Deng
- School of Anesthesiology, Weifang Medical University, Weifang, 261053, China; Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, China; Jiangsu Province Key Laboratory of Anesthesiology, Xuzhou Medical University, Xuzhou, Jiangsu, China.
| | - Jia-Feng Wang
- Faculty of Anesthesiology, Changhai Hospital, Naval Medical University, Shanghai, China.
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Hong Y, Ning X, Liang YY, Li XL, Cui Y, Wu W, Cai Y, Zhao S, Zhu M, Zhong TX, Wang H, Xu DX, Xu T, Zhao LL. Colonic mechanism of serum NAD + depletion induced by DEHP during pregnancy. Sci Total Environ 2023; 872:162188. [PMID: 36781136 DOI: 10.1016/j.scitotenv.2023.162188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/25/2022] [Revised: 02/07/2023] [Accepted: 02/08/2023] [Indexed: 06/18/2023]
Abstract
Di (2-ethylhexyl) phthalate (DEHP) is a widely used plasticizer in polyvinyl chloride products such as feed piping, packing bag, and medical consumable. Our previous studies have demonstrated that DEHP exposure reduced the concentration of nicotinamide adenine dinucleotide (NAD+) in pregnant mice serum, which cuts off the source of NAD+ to placenta and results fetal growth restriction. However, the mechanism of serum NAD+ depletion by DEHP remains elusive. This study investigated the intestinal mechanism of NAD+ shortage-induced by DEHP in pregnant mice. The transcriptome results implicated that the mRNA level of oxidative response genes Cyp1a1, Gsto2, Trpv1 and Trpv3 were upregulated in colon. These changes induced intestinal inflammation. Transmission Electron Microscopy results displayed that DEHP destroyed the tight junctions and cell polarity of colonic epithelial cells. These dysfunctions diminished the expression of NAD+ precursor transporters SLC12A8, SLC5A8, SLC7A5, and the NAD+ biosynthetic key enzymes NAMPT, NMNAT1-3, and TDO2 in colonic epithelial cells. Analysis of the gut microbiota showed that DEHP led to the dysbiosis of gut microbiota, reducing the relative abundance of Prevotella copri which possesses the VB3 biosynthetic pathway. Therefore, maternal DEHP exposure during pregnancy decreased the transportation of NAD+ precursors from enteric cavity to colonic epithelial cells, and inhibited the synthesis of NAD+ in colonic epithelial cells. Meanwhile, DEHP reduced the NAD+ precursors provided by gut microbiota. Eventually, serum NAD+ content was lowered. Taken together, our findings provide a new insight for understanding the intestinal mechanisms by which DEHP affects serum NAD+ levels.
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Affiliation(s)
- Yun Hong
- Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; School of Biology, Food and Environment, Hefei University, Hefei 230601, China
| | - Xia Ning
- Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; School of Biology, Food and Environment, Hefei University, Hefei 230601, China
| | - Yue-Yue Liang
- Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; School of Biology, Food and Environment, Hefei University, Hefei 230601, China
| | - Xiao-Lu Li
- Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; School of Biology, Food and Environment, Hefei University, Hefei 230601, China
| | - Ya Cui
- Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; School of Biology, Food and Environment, Hefei University, Hefei 230601, China
| | - Wei Wu
- Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; School of Biology, Food and Environment, Hefei University, Hefei 230601, China
| | - Yang Cai
- Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; School of Biology, Food and Environment, Hefei University, Hefei 230601, China
| | - Shuai Zhao
- Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; School of Biology, Food and Environment, Hefei University, Hefei 230601, China
| | - Meng Zhu
- Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; School of Biology, Food and Environment, Hefei University, Hefei 230601, China
| | - Tian-Xiao Zhong
- Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China; School of Biology, Food and Environment, Hefei University, Hefei 230601, China
| | - Hua Wang
- Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China
| | - De-Xiang Xu
- Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China
| | - Tao Xu
- School of Biology, Food and Environment, Hefei University, Hefei 230601, China; Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China.
| | - Ling-Li Zhao
- Department of Toxicology, School of Public Health; Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes; MOE Key Laboratory of Population Health Across Life Cycle, Anhui Medical University, No 81 Meishan Road, Hefei 230032, China.
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11
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Bu F, Huang S, Yang X, Wei L, Zhang D, Zhang Z, Tian D. Damage-induced NAD release activates intestinal CD4+ and CD8+ T cell via P2X7R signaling. Cell Immunol 2023; 385:104677. [PMID: 36746070 DOI: 10.1016/j.cellimm.2023.104677] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 01/06/2023] [Accepted: 01/30/2023] [Indexed: 02/05/2023]
Abstract
BACKGROUND Postoperative ileus (POI) is characterized by the activation of inflammation triggered by tissue damage. Damage-associated molecular patterns (DAMPs) reportedly induce local inflammation after injury. However, the impact of DAMPs on intestinal resident lymphocytes during POI remains poorly elucidated. METHODS POI in mice was induced via intestinal manipulation (IM). The concentration of nicotinamide adenine dinucleotide (NAD) was detected after IM. The gastrointestinal motility of the mice was assessed after IM or NAD injection. Cytokine production and calcium influx in T cells were investigated after NAD stimulation using flow cytometry. RESULTS The concentration of extracellular NAD significantly increased after IM administration, and NAD directly impaired gastrointestinal motility. Intraperitoneal injection of NAD promoted the expression of TNF-α in intestinal CD8+ and CD4+ T cells, but only IFN-γ production by CD8+ T cells was significantly promoted by NAD injection. Granzyme B production in CD8+ and CD4+ T cells decreased after administration. Concordantly, the same results were observed in NAD stimulation of intestinal CD3+ T cells in vitro. Blocking the P2X7R-related membrane enzyme ART2.2 significantly diminished the pro-inflammatory effect of NAD. CONCLUSION IM includes the release of NAD derived from damaged tissues, consequently promoting pro-inflammatory cytokine production in intestinal CD4+ and CD8+ T lymphocytes. NAD-induced intestinal T cells activation may be associated with POI progression in the mouse.
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Affiliation(s)
- Fandi Bu
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Shiyang Huang
- Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China; Immunology Research Center for Oral and Systemic Health, Beijing Friendship Hospital, Capital Medical University, Beijing, China; Beijing Clinical Research Institute, Beijing, China
| | - Xiaobao Yang
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Luyang Wei
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Dong Zhang
- Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China; Immunology Research Center for Oral and Systemic Health, Beijing Friendship Hospital, Capital Medical University, Beijing, China; Beijing Clinical Research Institute, Beijing, China; National Clinical Research Center for Digestive Diseases, Beijing, China
| | - Zhongtao Zhang
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China; Beijing Clinical Research Institute, Beijing, China; National Clinical Research Center for Digestive Diseases, Beijing, China.
| | - Dan Tian
- Department of General Surgery, Beijing Friendship Hospital, Capital Medical University, Beijing, China; Beijing Key Laboratory of Tolerance Induction and Organ Protection in Transplantation, Beijing, China; Immunology Research Center for Oral and Systemic Health, Beijing Friendship Hospital, Capital Medical University, Beijing, China; National Clinical Research Center for Digestive Diseases, Beijing, China.
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12
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Li Y, He C, Dong F, Yuan S, Hu Z, Wang W. Performance of anaerobic digestion of phenol using exogenous hydrogen and granular activated carbon and analysis of microbial community. Environ Sci Pollut Res Int 2023; 30:45077-45087. [PMID: 36701053 DOI: 10.1007/s11356-023-25275-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Accepted: 01/08/2023] [Indexed: 06/17/2023]
Abstract
Anaerobic conversion rate of phenol to methane was low due to its biological toxicity. In this study, the coupling of granular activated carbon (GAC) and exogenous hydrogen (EH) could enhance greatly methane production of phenol anaerobic digestion, and the metagenomic was firstly used to analyze its potential mechanism. The results indicated that a mass of syntrophic acetate-oxidizing bacteria and hydrogen-utilizing methanogens were enriched on the GAC surface, and SAO-HM pathway has become the dominant pathway. The energy transfer analysis implied that the abundance of adenosine triphosphate (ATP) and nicotinamide adenine dinucleotide (NADH) oxidase increased. Furthermore, direct interspecies electron transfer (DIET) was formed by promoting type IV e-pili between Methanobacterium and Syntrophus, thereby improving the interspecies electron transfer efficiency. The dominant SAO-HM pathway was induced and DIET was formed, which was the internal mechanism of the coupling of GAC and EH to enhance anaerobic biotransformation of phenol.
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Affiliation(s)
- Yongcun Li
- Department of Municipal Engineering, School of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
- Anhui Provincial Engineering Laboratory for Rural Water Environment and Resources, Hefei, 230009, China
- Anhui Province Key Laboratory of Industrial Wastewater and Environmental Treatment, Hefei, 230024, China
| | - Chunhua He
- Anhui Provincial Engineering Laboratory for Rural Water Environment and Resources, Hefei, 230009, China
- Anhui Province Key Laboratory of Industrial Wastewater and Environmental Treatment, Hefei, 230024, China
- Department of Municipal Engineering, School of Environment and Energy Engineering, Anhui JianZhu University, Hefei, 230009, China
| | - Fang Dong
- Department of Municipal Engineering, School of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
- Anhui Provincial Engineering Laboratory for Rural Water Environment and Resources, Hefei, 230009, China
- Anhui Province Key Laboratory of Industrial Wastewater and Environmental Treatment, Hefei, 230024, China
| | - Shoujun Yuan
- Department of Municipal Engineering, School of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
- Anhui Provincial Engineering Laboratory for Rural Water Environment and Resources, Hefei, 230009, China
- Anhui Province Key Laboratory of Industrial Wastewater and Environmental Treatment, Hefei, 230024, China
| | - Zhenhu Hu
- Department of Municipal Engineering, School of Civil Engineering, Hefei University of Technology, Hefei, 230009, China
- Anhui Provincial Engineering Laboratory for Rural Water Environment and Resources, Hefei, 230009, China
- Anhui Province Key Laboratory of Industrial Wastewater and Environmental Treatment, Hefei, 230024, China
| | - Wei Wang
- Department of Municipal Engineering, School of Civil Engineering, Hefei University of Technology, Hefei, 230009, China.
- Anhui Provincial Engineering Laboratory for Rural Water Environment and Resources, Hefei, 230009, China.
- Anhui Province Key Laboratory of Industrial Wastewater and Environmental Treatment, Hefei, 230024, China.
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13
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Zhang Y, Zhao X, Li C, Yang Y, Li L, Chen Y, Shi Q, Li Z, Wu Y, Zhang L, Li R, Si M, Liang X, Chen Y. Aberrant NAD synthetic flux in podocytes under diabetic conditions and effects of indoleamine 2,3-dioxygenase on promoting de novo NAD synthesis. Biochem Biophys Res Commun 2023; 643:61-68. [PMID: 36586160 DOI: 10.1016/j.bbrc.2022.12.059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2022] [Revised: 12/10/2022] [Accepted: 12/20/2022] [Indexed: 12/24/2022]
Abstract
Nicotinamide adenine dinucleotide (NAD) is an essential coenzyme in the kidney. The first step in de novo NAD synthesis is regulated by indoleamine 2,3-dioxygenase (IDO), a tryptophan-catabolizing enzyme. Here, we investigated NAD synthetic flux and NAD levels in podocytes under diabetic conditions. We also studied the effects of IDO overexpression on NAD synthetic flux and high glucose (HG)-induced podocyte injury. NAD synthetases in the de novo, Preiss-Handler and salvage pathways were analyzed using in vivo single-nucleus RNA sequencing datasets (GSE131882) of control and diabetic kidney disease (DKD). The mRNA levels of these NAD synthetases were measured in vitro in HG-treated podocytes. The effects of IDO on NAD synthesis were examined by transducing cultured podocytes with an adenovirus encoding IDO, and apoptosis, podocyte markers and mobility were investigated. Cellular transcriptome analysis revealed that control podocytes had relatively low levels of NAD synthetases. In DKD podocytes, de novo NAD synthetase levels were further downregulated. IDO levels were virtually undetectable and did not increase in DKD. In vitro experiments confirmed aberrant de novo NAD synthetic flux and decreased IDO levels in HG-treated podocytes. Overexpression of IDO promoted NAD de novo synthesis, reduced NAD-bypass metabolic enzyme, increased NAD content and recovered podocyte injury markers under diabetic conditions. Taken together, our findings suggest that the de novo NAD synthetic flux is aberrant in DKD, and IDO promotes de novo NAD synthesis and NAD levels, as well as alleviates injury in HG-treated podocytes.
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Affiliation(s)
- Yuhua Zhang
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, China; Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Xingchen Zhao
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Cuili Li
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China; Department of Nephrology, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Yan Yang
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, China; Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Luan Li
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China; Department of Nephrology, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Yingwen Chen
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China; Department of Nephrology, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Qingying Shi
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, China; Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Zhilian Li
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China; The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, China; Department of Nephrology, School of Medicine, South China University of Technology, Guangzhou, 510006, China
| | - Yanhua Wu
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China; The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, China
| | - Li Zhang
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Ruizhao Li
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Meijun Si
- Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China
| | - Xinling Liang
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, China; Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China; Department of Nephrology, School of Medicine, South China University of Technology, Guangzhou, 510006, China.
| | - Yuanhan Chen
- The Second School of Clinical Medicine, Southern Medical University, Guangzhou, 510515, China; Division of Nephrology, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, 510080, China; Department of Nephrology, School of Medicine, South China University of Technology, Guangzhou, 510006, China.
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14
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Pencina KM, Lavu S, Dos Santos M, Beleva YM, Cheng M, Livingston D, Bhasin S. MIB-626, an Oral Formulation of a Microcrystalline Unique Polymorph of β-Nicotinamide Mononucleotide, Increases Circulating Nicotinamide Adenine Dinucleotide and its Metabolome in Middle-Aged and Older Adults. J Gerontol A Biol Sci Med Sci 2023; 78:90-96. [PMID: 35182418 DOI: 10.1093/gerona/glac049] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Nicotinamide adenine dinucleotide (NAD) precursors, nicotinamide mononucleotide (NMN), or nicotinamide riboside (NR) extend healthspan and ameliorate some age-related conditions in model organisms. However, early-phase trials of NAD precursors have yielded varying results and their pharmacokinetics remain incompletely understood. Here, we report the pharmacokinetics and pharmacodynamics of MIB-626, a microcrystalline unique polymorph βNMN formulation. METHODS In this double-blind, placebo-controlled study, 32 overweight or obese adults, 55-80 years, were block-randomized, stratified by sex, to 1 000-mg MIB-626 once daily, twice daily, or placebo for 14 days. NMN, NAD, and NAD metabolome were measured using liquid chromatography-tandem mass spectrometry. RESULTS Participant characteristics were similar across groups. MIB-626 was well tolerated and frequency of adverse events was similar across groups. Blood NMN concentrations on Day 14 in MIB-626-treated groups were significantly higher compared to placebo (1.7-times and 3.7-times increase above baseline in 1 000 mg once-daily and twice-daily groups in mean AUClast, respectively). MIB-626 treatment was associated with substantial dose-related increases in blood NAD levels. Blood levels of NAD metabolites were higher in NMN-treated participants on Days 8 and 14 than at baseline. Changes in NMN or NAD levels were not related to sex, body mass index, or age. Very little unmodified NMN was excreted in the urine. CONCLUSION MIB-626 1 000 mg once-daily or twice-daily regimens were safe and associated with substantial dose-related increases in blood NAD levels and its metabolome. These foundational data that were obtained using a pharmaceutical-grade βNMN, standardized sample collection, and validated liquid chromatography-tandem mass spectrometry assays, should facilitate design of efficacy trials in disease conditions.
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Affiliation(s)
- Karol M Pencina
- Research Program in Men's Health: Aging and Metabolism, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Siva Lavu
- Metro International Biotech, Worcester, Massachusetts, USA
| | - Marcello Dos Santos
- Research Program in Men's Health: Aging and Metabolism, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Yusnie M Beleva
- Research Program in Men's Health: Aging and Metabolism, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | - Ming Cheng
- Research Program in Men's Health: Aging and Metabolism, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, USA
| | | | - Shalender Bhasin
- Research Program in Men's Health: Aging and Metabolism, Harvard Medical School, Brigham and Women's Hospital, Boston, Massachusetts, USA
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Sharma A, Mahur P, Muthukumaran J, Singh AK, Jain M. Shedding light on structure, function and regulation of human sirtuins: a comprehensive review. 3 Biotech 2023; 13:29. [PMID: 36597461 PMCID: PMC9805487 DOI: 10.1007/s13205-022-03455-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Accepted: 12/25/2022] [Indexed: 01/01/2023] Open
Abstract
Sirtuins play an important role in signalling pathways associated with various metabolic regulations. They possess mono-ADP-ribosyltransferase or deacylase activity like demalonylase, deacetylase, depalmitoylase, demyristoylase and desuccinylase activity. Sirtuins are histone deacetylases which depends upon nicotinamide adenine dinucleotide (NAD) that deacetylate lysine residues. There are a total of seven human sirtuins that have been identified namely, SIRT1, SIRT2, SIRT3, SIRT4, SIRT5, SIRT6 and SIRT7. The subcellular location of mammalian sirtuins, SIRT1, SIRT6, and SIRT7 are in the nucleus; SIRT3, SIRT4, and SIRT5 are in mitochondria, and SIRT2 is in cytoplasm. Structurally sirtuins contains a N-terminal, a C-terminal and a Zn+ binding domain. The sirtuin family has been found to be crucial for maintaining lipid and glucose homeostasis, and also for regulating insulin secretion and sensitivity, DNA repair pathways, neurogenesis, inflammation, and ageing. Based on the literature, sirtuins are overexpressed and play an important role in tumorigenicity in various types of cancer such as non-small cell lung cancer, colorectal cancer, etc. In this review, we have discussed about the different types of human sirtuins along with their structural and functional features. We have also discussed about the various natural and synthetic regulators of sirtuin activities like resveratrol. Our overall study shows that the correct regulation of sirtuins can be a good target for preventing and treating various diseases for improving the human lifespan. To investigate the true therapeutic potential of sirtuin proteins and their efficacy in a variety of pathological diseases, a better knowledge of the link between the structure and function of sirtuin proteins would be necessary.
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Affiliation(s)
- Abhishek Sharma
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, Uttar Pradesh India
| | - Pragati Mahur
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, Uttar Pradesh India
| | - Jayaraman Muthukumaran
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, Uttar Pradesh India
| | - Amit Kumar Singh
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, Uttar Pradesh India
| | - Monika Jain
- Department of Biotechnology, School of Engineering and Technology, Sharda University, Greater Noida, Uttar Pradesh India
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Matsuyama R, Omata T, Kageyama M, Nakajima R, Kanou M, Yamana K. Stabilization and quantitative measurement of nicotinamide adenine dinucleotide in human whole blood using dried blood spot sampling. Anal Bioanal Chem 2023; 415:775-85. [PMID: 36504284 DOI: 10.1007/s00216-022-04469-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2022] [Revised: 10/31/2022] [Accepted: 11/28/2022] [Indexed: 12/14/2022]
Abstract
Nicotinamide adenine dinucleotide (NAD+) is a coenzyme essential for energy production. Recently, associations between NAD+ and aging-related diseases have been reported, and NAD+ precursors that increase NAD+ concentration in the body have been acknowledged as anti-aging supplements. However, there have been only a few studies on the link between aging or aging-related diseases and human blood NAD+ concentration because NAD+ and its precursors are unstable in blood and difficult to measure. Therefore, we aimed to construct a quantitative NAD+ measurement method that is simpler than the existing methods. The calibration standards of NAD+ showed good linearity (0.9936 to 0.9990) in the range of 0.25 to 200 μM, and the lower limit of quantification was 0.5 to 2 μM. We found that QIAcard FTA DMPK-B maintained NAD+ stability of 85% or more for at least 2 weeks at 4 °C and 1 week at room temperature using the dried blood spot method. Additionally, NAD+ stability in the blood extraction solution was more than 90% for 2 months. To our knowledge, there has been no report on a quantitative NAD+ measurement method in human whole blood that can be performed with as little as 5 μL of blood and can be easily implemented at both medical clinics and private homes. Our simple and convenient method has the potential to become the gold standard for NAD+ measurement in blood. It is expected to contribute to the acceleration of research on the correlation between aging or aging-related diseases and NAD+ concentration in human blood.
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Zheng Z, Xian Y, Jin Z, Yao F, Liu Y, Deng Y, Wang B, Chen D, Yang J, Ren L, Lin R. Rhaponticum carthamoides improved energy metabolism and oxidative stress through the SIRT6/Nrf2 pathway to ameliorate myocardial injury. Phytomedicine 2022; 105:154197. [PMID: 35917770 DOI: 10.1016/j.phymed.2022.154197] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 05/12/2022] [Accepted: 05/20/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Rhaponticum carthamoides (Willd.) Iljin (Rha) is a member of the family Compositae that is widely used in folk medicine as a dietary supplement to treat cardiovascular diseases (CVDs), such as senile cardiac insufficiency, and to restore myocardial function after surgery. Sirtuin 6 (SIRT6), an NAD+-dependent class III histone deacetylase, plays a considerable role in the administration of CVDs. However, the specific effects and mechanism of Rha on myocardial injury remain unknown. PURPOSE This study aimed to explore the therapeutic potential of Rha against myocardial injury as well as its underlying mechanisms in vivo and in vitro. METHODS A myocardial ischaemia model was established in male SD rats by subcutaneously injecting ISO. The rats were gavaged with Rha (40, 80, 160 mg/kg) or Rho (6 ml/kg) for 14 successive days and then injected subcutaneously with ISO or saline solution on the 13th and 14th days. The positive effects of Rha against myocardial injury in rats were evaluated by ECG assessment, BP measurements, H&E staining, and myocardial enzyme detection. Biochemical indicators of energy metabolism and oxidative stress, such as NAD+/NADH, ATP, and MDA, were analysed by assay kits to assess the effects of Rha. The protein and mRNA expression levels of SIRT6 and Nrf2 in the myocardium were determined by western blotting and real-time PCR. RESULTS Our results showed that Rha ameliorated myocardial ischaemia and inhibited energy metabolism disorders (NAD+/NADH ratio, ATP, and LD) and oxidative stress (SOD, ROS, etc.) in rat myocardial tissue and H9c2 cells. In addition, Rha upregulated SIRT6 and Nrf2 expression in myocardial injury. Mechanistic studies then found that SIRT6 knockdown reduced the expression of Nrf2 as well as the effects of Rha on the levels of ATP, LD, and ROS, whereas activation of Nrf2 improved the effects of Rha in cells. In summary, Rha might exert its cardioprotective effects via the SIRT6-mediated Nrf2 signaling pathway. CONCLUSION The results suggest that Rha regulates energy metabolism and oxidative stress through the SIRT6/Nrf2 signaling pathway to play a protective role in myocardial injury.
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Affiliation(s)
- Zihan Zheng
- Department of Pharmacology, Xi'an Jiaotong University Health Science Center, No. 76 Yanta West Road, Xi'an, Shaanxi 710061, PR China
| | - Yushan Xian
- Department of Pharmacology, Xi'an Jiaotong University Health Science Center, No. 76 Yanta West Road, Xi'an, Shaanxi 710061, PR China; Department of Pharmacy, Xi'an NO.3 Hospital, The Affiliated Hospital of Northwest University, Xi'an, Shaanxi 710018, PR China
| | - Zhen Jin
- Department of Pharmacology, Xi'an Jiaotong University Health Science Center, No. 76 Yanta West Road, Xi'an, Shaanxi 710061, PR China
| | - Feng Yao
- Department of Pharmacology, Xi'an Jiaotong University Health Science Center, No. 76 Yanta West Road, Xi'an, Shaanxi 710061, PR China
| | - YiZhen Liu
- Department of Pharmacology, Xi'an Jiaotong University Health Science Center, No. 76 Yanta West Road, Xi'an, Shaanxi 710061, PR China
| | - Ying Deng
- Department of Pharmacology, Xi'an Jiaotong University Health Science Center, No. 76 Yanta West Road, Xi'an, Shaanxi 710061, PR China
| | - Bo Wang
- Department of Pharmacology, Xi'an Jiaotong University Health Science Center, No. 76 Yanta West Road, Xi'an, Shaanxi 710061, PR China
| | - Danli Chen
- Department of Pharmacology, Xi'an Jiaotong University Health Science Center, No. 76 Yanta West Road, Xi'an, Shaanxi 710061, PR China
| | - Jianjun Yang
- Department of Pharmacology, Xi'an Jiaotong University Health Science Center, No. 76 Yanta West Road, Xi'an, Shaanxi 710061, PR China
| | - Lingxuan Ren
- Department of Pharmacology, Xi'an Jiaotong University Health Science Center, No. 76 Yanta West Road, Xi'an, Shaanxi 710061, PR China
| | - Rong Lin
- Department of Pharmacology, Xi'an Jiaotong University Health Science Center, No. 76 Yanta West Road, Xi'an, Shaanxi 710061, PR China.
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Bai X, Wang P. Relationship between sperm NAD + concentration and reproductive aging in normozoospermia men:A Cohort study. BMC Urol 2022; 22:159. [PMID: 36182928 PMCID: PMC9526896 DOI: 10.1186/s12894-022-01107-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 09/09/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The mechanisms of age-dependent reproductive decline in men are largely overlooked. An age-dependent reduction in nicotinamide adenine dinucleotide (NAD+) levels has been reported in multiple somatic and female reproductive tissues, including oocytes and ovarian tissue. However, the relationship between NAD + levels and male reproduction has not yet been studied. In the current study, the association between sperm NAD + level and paternal age was investigated. In addition, we also investigated whether sperm NAD + levels were related to semen quality. METHODS In this pilot observational cohort study, semen samples from 51 male subjects who visited a university-affiliated reproductive medical center for preconception consultation (< 30 years: n = 13, 30-40 years: n = 19, > 40 years: n = 19) were recruited. Their anthropometric characteristics were recorded, and semen analysis was performed. Their sperm NAD + levels were evaluated spectrophotometrically. RESULTS There were significant differences among the three age groups in the major parameters of semen quality. The sperm NAD + level was, however, similar among the three groups (< 30 years: 91.61 ± 15.59 nmol/106 sperm, 30-40 years: 125.60 ± 16.28 nmol/106 sperm, > 40 years: 115.59 ± 16.55 nmol/106 sperm). Additionally, linear regression also revealed no correlation between sperm NAD + concentration and the age of the participants (r2 = 0.018, p = 0.35). Noticeably, a negative correlation was found between the sperm NAD + concentrations and the sperm quality parameters, including sperm concentration (r2 = 0.78, p < 0.0001), sperm count (r2 = 0.47, p < 0.0001), mobile sperm number (r2 = 33, p < 0.0001), and DFI (r2 = 0.35, p < 0.0001). The semen volume and mobility rate were not related to the sperm NAD + concentration. CONCLUSION Unlike the age-related decrease of NAD + levels in oocytes and ovarian tissue, the sperm NAD + concentration is not age dependent. Sperm NAD + levels are negatively correlated with sperm quality, suggesting a unique role of NAD + in spermatogenesis, which warrants further study and opens opportunities for pharmaceutical interventions for oligozoospermia.
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Affiliation(s)
- Xueyan Bai
- Medical Center for Human Reproduction, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, PR China
| | - Peng Wang
- Medical Center for Human Reproduction, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, PR China.
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Zhao S, Hong Y, Liang YY, Li XL, Shen JC, Sun CC, Chu LL, Hu J, Wang H, Xu DX, Zhang SC, Xu DD, Xu T, Zhao LL. Compartmentalized regulation of NAD + by Di (2-ethyl-hexyl) phthalate induces DNA damage in placental trophoblast. Redox Biol 2022; 55:102414. [PMID: 35926314 PMCID: PMC9356100 DOI: 10.1016/j.redox.2022.102414] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 07/16/2022] [Accepted: 07/16/2022] [Indexed: 11/29/2022] Open
Abstract
Di (2-ethyl-hexyl) phthalate (DEHP) is a wildly used plasticizer. Maternal exposure to DEHP during pregnancy blocks the placental cell cycle at the G2/M phase by reducing the efficiency of the DNA repair pathways and affects the health of offsprings. However, the mechanism by which DEHP inhibits the repair of DNA damage remains unclear. In this study, we demonstrated that DEHP inhibits DNA damage repair by reducing the activity of the DNA repair factor recruitment molecule PARP1. NAD+ and ATP are two substrates necessary for PARP1 activity. DEHP abated NAD+ in the nucleus by reducing the level of NAD+ synthase NMNAT1 and elevated NAD+ in the mitochondrial by promoting synthesis. Furthermore, DEHP destroyed the mitochondrial respiratory chain, affected the structure and quantity of mitochondria, and decreased ATP production. Therefore, DEHP inhibits PARP1 activity by reducing the amount of NAD+ and ATP, which hinders the DNA damage repair pathways. The supplement of NAD+ precursor NAM can partially rescue the DNA and mitochondria damage. It provides a new idea for the prevention of health problems of offsprings caused by DEHP injury to the placenta.
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Affiliation(s)
- Shuai Zhao
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Department of Toxicology, Anhui Provincial Key Laboratory of Population Health and Aristogenics, MOE Key Laboratory of Population Health Across Life Cycle, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China; School of Biology, Food and Environment, Hefei University, Hefei, 230601, China
| | - Yun Hong
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Department of Toxicology, Anhui Provincial Key Laboratory of Population Health and Aristogenics, MOE Key Laboratory of Population Health Across Life Cycle, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China; School of Biology, Food and Environment, Hefei University, Hefei, 230601, China
| | - Yue-Yue Liang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Department of Toxicology, Anhui Provincial Key Laboratory of Population Health and Aristogenics, MOE Key Laboratory of Population Health Across Life Cycle, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China; School of Biology, Food and Environment, Hefei University, Hefei, 230601, China
| | - Xiao-Lu Li
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Department of Toxicology, Anhui Provincial Key Laboratory of Population Health and Aristogenics, MOE Key Laboratory of Population Health Across Life Cycle, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China; School of Biology, Food and Environment, Hefei University, Hefei, 230601, China
| | - Jiang-Chuan Shen
- Department of Molecular and Cellular Biochemistry, Indiana University, Bloomington, IN, 47405, USA
| | - Cong-Cong Sun
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Department of Toxicology, Anhui Provincial Key Laboratory of Population Health and Aristogenics, MOE Key Laboratory of Population Health Across Life Cycle, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China; Key Laboratory of the Public Health Safety, Ministry of Education, Department of Environmental Health, School of Public Health / Center for Water and Health, School of Public Health, Fudan University, Shanghai, 200032, China
| | - Ling-Luo Chu
- Department of Molecular and Cellular Biology, Harvard University, Cambridge, MA, 02138, USA
| | - Jie Hu
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Department of Toxicology, Anhui Provincial Key Laboratory of Population Health and Aristogenics, MOE Key Laboratory of Population Health Across Life Cycle, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China
| | - Hua Wang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Department of Toxicology, Anhui Provincial Key Laboratory of Population Health and Aristogenics, MOE Key Laboratory of Population Health Across Life Cycle, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China
| | - De-Xiang Xu
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Department of Toxicology, Anhui Provincial Key Laboratory of Population Health and Aristogenics, MOE Key Laboratory of Population Health Across Life Cycle, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China
| | - Shi-Chen Zhang
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Department of Toxicology, Anhui Provincial Key Laboratory of Population Health and Aristogenics, MOE Key Laboratory of Population Health Across Life Cycle, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China; School of Public Health and Health Management, Anhui Medical College, No 632 Furong Road, Hefei, Anhui, 230601, China
| | - Dou-Dou Xu
- Department of Pediatrics, First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, China
| | - Tao Xu
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Department of Toxicology, Anhui Provincial Key Laboratory of Population Health and Aristogenics, MOE Key Laboratory of Population Health Across Life Cycle, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China; School of Biology, Food and Environment, Hefei University, Hefei, 230601, China.
| | - Ling-Li Zhao
- Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Department of Toxicology, Anhui Provincial Key Laboratory of Population Health and Aristogenics, MOE Key Laboratory of Population Health Across Life Cycle, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, China.
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20
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Hu L, Wang Z, He J, Lv S, Zhou B, Hrynsphan D, Savitskaya T, Chen J. Co-culturing fungus Penicillium citrinum and strain Citrobacter freundii improved nitrate removal and carbon utilization by promoting glyceride metabolism. Bioresour Technol 2022; 360:127563. [PMID: 35788386 DOI: 10.1016/j.biortech.2022.127563] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 06/27/2022] [Accepted: 06/28/2022] [Indexed: 06/15/2023]
Abstract
Exploring the interaction between denitrifying microbial species is significant for improving denitrification performance. In this study, the effects of co-culturing fungus Penicillium citrinum and strain Citrobacter freundii on denitrification were investigated. Results showed that the maximum nitrate removal and carbon utilization in co-culture were 68.0 and 14.1 mg·L-1·d-1, respectively. The total adenosine triphosphatase activity was increased to 9.87 U‧mg-1 protein in co-culture, and nicotinamide adenine dinucleotide production was 1.7-2.3 times that of monoculture, attributing to increased carbon utilization. Further metabolomics and membrane permeability assay revealed that co-culture increased the metabolism of glycerides, thereby enhancing the membrane permeability of strain Citrobacter freundii and promoting the transmembrane transport of nitrate and glucose, which boosted nitrate reductase activity and nicotinamide adenine dinucleotide production in turn. In summary, co-culturing promoted carbon utilization and enhanced substrate removal efficiency through the metabolism of glycerides, which provided a strategy to enhance denitrification performance in wastewater treatment.
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Affiliation(s)
- Liyong Hu
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
| | - Zeyu Wang
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy, Zhejiang Shuren University, Hangzhou 310015, China
| | - Jiamei He
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
| | - Sini Lv
- College of Environment, Zhejiang University of Technology, Hangzhou 310032, China
| | - Bin Zhou
- Zhejiang Envrionmental Monitoring Engineering Co., Ltd, China
| | - Dzmitry Hrynsphan
- Research Institute of Physical and Chemical Problems, Belarusian State University, Minsk 220030, Belarus
| | - Tatsiana Savitskaya
- Research Institute of Physical and Chemical Problems, Belarusian State University, Minsk 220030, Belarus
| | - Jun Chen
- Key Laboratory of Pollution Exposure and Health Intervention of Zhejiang Province, Interdisciplinary Research Academy, Zhejiang Shuren University, Hangzhou 310015, China.
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Meyer T, Shimon D, Youssef S, Yankovitz G, Tessler A, Chernobylsky T, Gaoni-Yogev A, Perelroizen R, Budick-Harmelin N, Steinman L, Mayo L. NAD(+) metabolism drives astrocyte proinflammatory reprogramming in central nervous system autoimmunity. Proc Natl Acad Sci U S A 2022; 119:e2211310119. [PMID: 35994674 DOI: 10.1073/pnas.2211310119] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022] Open
Abstract
Multiple sclerosis (MS) is a chronic inflammatory disease of the central nervous system (CNS). Astrocytes are the most abundant glial cells in the CNS, and their dysfunction contributes to the pathogenesis of MS and its animal model, experimental autoimmune encephalomyelitis (EAE). Recent advances highlight the pivotal role of cellular metabolism in programming immune responses. However, the underlying immunometabolic mechanisms that drive astrocyte pathogenicity remain elusive. Nicotinamide adenine dinucleotide (NAD+) is a vital coenzyme involved in cellular redox reactions and a substrate for NAD+-dependent enzymes. Cellular NAD+ levels are dynamically controlled by synthesis and degradation, and dysregulation of this balance has been associated with inflammation and disease. Here, we demonstrate that cell-autonomous generation of NAD+ via the salvage pathway regulates astrocyte immune function. Inhibition of nicotinamide phosphoribosyltransferase (NAMPT), a key enzyme in the salvage pathway, results in depletion of NAD+, inhibits oxidative phosphorylation, and limits astrocyte inflammatory potential. We identified CD38 as the main NADase up-regulated in reactive mouse and human astrocytes in models of neuroinflammation and MS. Genetic or pharmacological blockade of astrocyte CD38 activity augmented NAD+ levels, suppressed proinflammatory transcriptional reprogramming, impaired chemotactic potential to inflammatory monocytes, and ameliorated EAE. We found that CD38 activity is mediated via calcineurin/NFAT signaling in mouse and human reactive astrocytes. Thus, NAMPT-NAD+-CD38 circuitry in astrocytes controls their ability to meet their energy demands and drives the expression of proinflammatory transcriptional modules, contributing to CNS pathology in EAE and, potentially, MS. Our results identify candidate therapeutic targets in MS.
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Zähringer S, Rumpf T, Melesina J, Lang AE, Aktories K, Sippl W, Jung M, Wagner GK. Defined stereoisomers of 2″-amino NAD + and their activity against human sirtuins and a bacterial (ADP-ribosyl) transferase. Bioorg Med Chem 2022; 68:116875. [PMID: 35716588 DOI: 10.1016/j.bmc.2022.116875] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/31/2022] [Accepted: 05/31/2022] [Indexed: 11/02/2022]
Abstract
Nicotinamide adenine dinucleotide (NAD+) is an important biomolecule with essential roles at the intersection of energy metabolism, epigenetic regulation and cell signalling. Synthetic analogues of NAD+ are therefore of great interest as chemical tools for medicinal chemistry, chemical biology and drug discovery. Herein, we report the chemical synthesis and full analytical characterisation of three stereoisomers of 2″-amino NAD+, and their biochemical evaluation against two classes of NAD+-consuming enzymes: the human sirtuins 1-3, and the bacterial toxin TccC3. To rationalise the observed activities, molecular docking experiments were carried out with SIRT1 and SIRT2, which identified the correct orientation of the pyrophosphate linkage as a major determinant for activity in this series. These results, together with results from stability tests and a conformational analysis, allow, for the first time, a side-by-side comparison of the chemical and biochemical features, and analytical properties, of different 2″-amino NAD+ stereoisomers. Our findings provide insight into the recognition of co-substrate analogues by sirtuins, and will greatly facilitate the application of these important NAD+ analogues as chemical tool compounds for mechanistic studies with these as well as other NAD+-dependent enyzmes.
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Affiliation(s)
- Sarah Zähringer
- Department of Chemistry, King's College London, Faculty of Natural & Mathematical Sciences, Britannia House, 7 Trinity Street, London SE1 1DB, United Kingdom; Institute of Pharmaceutical Sciences, Albert-Ludwigs-University Freiburg, Albertstraße 25, 79104 Freiburg, Germany
| | - Tobias Rumpf
- Institute of Pharmaceutical Sciences, Albert-Ludwigs-University Freiburg, Albertstraße 25, 79104 Freiburg, Germany
| | - Jelena Melesina
- Institute of Pharmacy, Martin-Luther-University Halle-Wittenberg, Wolfgang-Langenbeck-Straße 4, 06120 Halle (Saale), Germany
| | - Alexander E Lang
- Institut für Experimentelle und Klinische Pharmakologie und Toxikologie, Faculty of Medicine, Albert-Ludwigs-Universität Freiburg, Albertstr 25, 79104 Freiburg, Germany
| | - Klaus Aktories
- Institut für Experimentelle und Klinische Pharmakologie und Toxikologie, Faculty of Medicine, Albert-Ludwigs-Universität Freiburg, Albertstr 25, 79104 Freiburg, Germany
| | - Wolfgang Sippl
- Institute of Pharmacy, Martin-Luther-University Halle-Wittenberg, Wolfgang-Langenbeck-Straße 4, 06120 Halle (Saale), Germany
| | - Manfred Jung
- Institute of Pharmaceutical Sciences, Albert-Ludwigs-University Freiburg, Albertstraße 25, 79104 Freiburg, Germany
| | - Gerd K Wagner
- School of Pharmacy, Queen's University Belfast, Medical Biology Centre, 97 Lisburn Road, Belfast BT9 7BL, United Kingdom.
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Jeong KY, Sim JJ, Park M, Kim HM. Accumulation of poly (adenosine diphosphate-ribose) by sustained supply of calcium inducing mitochondrial stress in pancreatic cancer cells. World J Gastroenterol 2022; 28:3422-3434. [PMID: 36158271 PMCID: PMC9346456 DOI: 10.3748/wjg.v28.i27.3422] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/15/2022] [Accepted: 06/26/2022] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The biochemical phenomenon defined as poly adenosine diphosphate (ADP)-ribosylation (PARylation) is essential for the progression of pancreatic cancer. However, the excessive accumulation of poly ADP-ribose (PAR) induces apoptosis-inducing factor (AIF) release from mitochondria and energy deprivation resulting in the caspase-independent death of cancer cells.
AIM To investigate whether sustained calcium supply could induce an anticancer effect on pancreatic cancer by PAR accumulation.
METHODS Two pancreatic cancer cell lines, AsPC-1 and CFPAC-1 were used for the study. Calcium influx and mitochondrial reactive oxygen species (ROS) were observed by fluorescence staining. Changes in enzyme levels, as well as PAR accumulation and energy metabolism, were measured using assay kits. AIF-dependent cell death was investigated followed by confirming in vivo anticancer effects by sustained calcium administration.
RESULTS Mitochondrial ROS levels were elevated with increasing calcium influx into pancreatic cancer cells. Then, excess PAR accumulation, decreased PAR glycohydrolase and ADP-ribosyl hydrolase 3 levels, and energy deprivation were observed. In vitro and in vivo antitumor effects were confirmed to accompany elevated AIF levels.
CONCLUSION This study visualized the potential anticancer effects of excessive PAR accumulation by sustained calcium supply on pancreatic cancer, however elucidating a clear mode of action remains a challenge, and it should be accompanied by further studies to assess its potential for clinical application.
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Affiliation(s)
- Keun-Yeong Jeong
- Research and Development, Metimedi Pharmaceuticals, Incheon 22006, South Korea
| | - Jae Jun Sim
- Research and Development, Metimedi Pharmaceuticals, Incheon 22006, South Korea
| | - Minhee Park
- Research and Development, Metimedi Pharmaceuticals, Incheon 22006, South Korea
| | - Hwan Mook Kim
- Research and Development, Metimedi Pharmaceuticals, Incheon 22006, South Korea
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Zhang X, Zhang Y, Sun A, Ge J. The effects of nicotinamide adenine dinucleotide in cardiovascular diseases: Molecular mechanisms, roles and therapeutic potential. Genes Dis 2022; 9:959-972. [PMID: 35685463 PMCID: PMC9170600 DOI: 10.1016/j.gendis.2021.04.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2021] [Revised: 03/29/2021] [Accepted: 04/02/2021] [Indexed: 12/23/2022] Open
Abstract
Recently, cardiovascular diseases (CVDs) were identified as the leading cause of mortality, imposing a heavy burden on health care systems and the social economy. Nicotinamide adenine dinucleotide (NAD+), as a pivotal co-substrate for a range of different enzymes, is involved in many signal transduction pathways activated in CVDs. Emerging evidence has shown that NAD+ can exert remediating effects on CVDs by regulating metabolism, maintaining redox homeostasis and modulating the immune response. In fact, NAD+ might delay ageing through sirtuin and non-sirtuin pathways and thus contribute to interventions for age-related diseases such as CVDs. Considering that robust clinical studies of NAD+ are ongoing, we discuss current challenges and the future translational potential of NAD+ based on existing studies and our understanding. Despite some remaining gaps in its clinical application, NAD+ has been shown to have broad prospects and pan-effects, making it a suitable prophylactic drug for CVDs.
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Affiliation(s)
- Xiaokai Zhang
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai 200032, PR China
| | - Yang Zhang
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai 200032, PR China
| | - Aijun Sun
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai 200032, PR China.,Institute of Biomedical Sciences, Fudan University, Shanghai 200032, PR China
| | - Junbo Ge
- Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai Institute of Cardiovascular Diseases, Shanghai 200032, PR China.,Institute of Biomedical Sciences, Fudan University, Shanghai 200032, PR China
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Abdellatif M, Bugger H, Kroemer G, Sedej S. NAD + and Vascular Dysfunction: From Mechanisms to Therapeutic Opportunities. J Lipid Atheroscler 2022; 11:111-132. [PMID: 35656147 PMCID: PMC9133775 DOI: 10.12997/jla.2022.11.2.111] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2022] [Revised: 03/11/2022] [Accepted: 03/15/2022] [Indexed: 11/09/2022] Open
Abstract
Nicotinamide adenine dinucleotide (NAD+) is an essential and pleiotropic coenzyme involved not only in cellular energy metabolism, but also in cell signaling, epigenetic regulation, and post-translational protein modifications. Vascular disease risk factors are associated with aberrant NAD+ metabolism. Conversely, the therapeutic increase of NAD+ levels through the administration of NAD+ precursors or inhibitors of NAD+-consuming enzymes reduces chronic low-grade inflammation, reactivates autophagy and mitochondrial biogenesis, and enhances oxidative metabolism in vascular cells of humans and rodents with vascular pathologies. As such, NAD+ has emerged as a potential target for combatting age-related cardiovascular and cerebrovascular disorders. This review discusses NAD+-regulated mechanisms critical for vascular health and summarizes new advances in NAD+ research directly related to vascular aging and disease, including hypertension, atherosclerosis, coronary artery disease, and aortic aneurysms. Finally, we enumerate challenges and opportunities for NAD+ repletion therapy while anticipating the future of this exciting research field, which will have a major impact on vascular medicine.
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Affiliation(s)
- Mahmoud Abdellatif
- Department of Cardiology, Medical University of Graz, Graz, Austria
- Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, Villejuif, France
- Centre de Recherche des Cordeliers, Equipe Labellisée par la Ligue Contre le Cancer, Université de Paris, Sorbonne Université, INSERM U1138, Institut Universitaire de France, Paris, France
| | - Heiko Bugger
- Department of Cardiology, Medical University of Graz, Graz, Austria
| | - Guido Kroemer
- Metabolomics and Cell Biology Platforms, Institut Gustave Roussy, Villejuif, France
- Centre de Recherche des Cordeliers, Equipe Labellisée par la Ligue Contre le Cancer, Université de Paris, Sorbonne Université, INSERM U1138, Institut Universitaire de France, Paris, France
- Institut du Cancer Paris CARPEM, Department of Biology, Hôpital Européen Georges Pompidou, AP-HP, Paris, France
| | - Simon Sedej
- Department of Cardiology, Medical University of Graz, Graz, Austria
- BioTechMed Graz, Graz, Austria
- Institute of Physiology, Faculty of Medicine, University of Maribor, Maribor, Slovenia
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Soma M, Lalam SK. The role of nicotinamide mononucleotide (NMN) in anti-aging, longevity, and its potential for treating chronic conditions. Mol Biol Rep 2022; 49:9737-9748. [PMID: 35441939 DOI: 10.1007/s11033-022-07459-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 04/06/2022] [Indexed: 12/24/2022]
Abstract
Biosynthesis and regulation of nicotinamide adenine dinucleotide (NAD+) has recently gained a lot of attention. A systemic decline in NAD+ across many tissues is associated with all the hallmarks of aging. NAD+ can affect a variety of cellular processes, including metabolic pathways, DNA repair, and immune cell activity, both directly and indirectly. These cellular processes play a vital role in maintaining homeostasis, but as people get older, their tissue and cellular NAD+ levels decrease, and this drop in NAD+ levels has been connected to a number of age-related disorders. By restoring NAD+ levels, several of these age-related disorders can be delayed or even reversed. Some of the new studies conducted in mice and humans have targeted the NAD+ metabolism with NAD+ intermediates. Of these, nicotinamide mononucleotide (NMN) has been shown to offer great therapeutic potential with promising results in age-related chronic conditions such as diabetes, cardiovascular issues, cognitive impairment, and many others. Further, human interventions are required to study the long-term effects of supplementing NMN with varying doses. The paper focuses on reviewing the importance of NAD+ on human aging and survival, biosynthesis of NAD+ from its precursors, key clinical trial findings, and the role of NMN on various health conditions.
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Yang F, Zhang X, Hu F, Yu Y, Luo L, Deng X, Zhao Y, Pan B, Zheng J, Qiu Y, Guo J, Xiao F, Xie X, Ju Z, Zhou Y. Association between NAD + levels and anaemia among women in community-based study. J Cell Mol Med 2022; 26:2698-2705. [PMID: 35384323 PMCID: PMC9077291 DOI: 10.1111/jcmm.17281] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 02/12/2022] [Accepted: 03/03/2022] [Indexed: 11/30/2022] Open
Abstract
Nicotinamide adenine dinucleotide (NAD+) level is the protective factor of cardiovascular diseases (CVDs). In addition, anaemia is a risk factor of adverse cardiovascular outcomes in women. However, there are limited data about the association between NAD+ and anaemia. The aim of this study was to evaluate association of NAD+ with anaemia among women. A total of 727 females from Jidong community were included in the current analysis. NAD+ levels were tested by the cycling assay and HPLC assay using whole blood samples. Anaemia was determined by haemoglobin (Hb) concentration, and the subtypes of anaemia were further defined according to mean corpuscular volume (MCV) in blood. Multivariable logistic analysis was used to analyse the association between NAD+ levels and anaemia or its subtypes. The mean age of recruited subjects was 42.7 years. The proportion of anaemia by NAD+ levels quartiles were 19.7% (35/178), 4.8% (9/189), 3.4% (6/178) and 2.7% (5/182). Haematological parameters including haemoglobin (Hb), mean corpuscular volume (MCV), mean corpuscular haemoglobin (MCH), mean corpuscular haemoglobin concentration (MCHC) and red blood count (RBC) increased over NAD+ quartiles. Red cell volume distribution width (RDW) decreased over NAD+ quartiles. Compared with the lowest quartile of NAD+ levels (<27.6μM), the adjusted odds ratios with 95% confidence intervals of the top quartile were 0.15 (0.06–0.41) for anaemia, 0.05 (0.01–0.36) for microcytic anaemia and 0.37 (0.10–1.36) for normocytic anaemia respectively. Higher NAD+ levels were significantly associated with lower prevalence of anaemia among women, especially microcytic anaemia and normocytic anaemia. Haematological parameters might serve as a predictor of the blood NAD+ levels.
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Affiliation(s)
- Fan Yang
- Institute of Aging and Regenerative Medicine, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Xuguang Zhang
- Science and Technology Centre, By-Health Co. Ltd., Guangzhou, China
| | - Feifei Hu
- Clinical Research Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ye Yu
- Administrative Office, Total Quality Management Office, Total Quality Management Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Luo
- Institute of Aging and Regenerative Medicine, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Xuan Deng
- Clinical Research Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yuzheng Zhao
- State Key Laboratory of Bioreactor Engineering, Shanghai Collaborative Innovation Center for Biomanufacturing Technology, Optogenetics & Synthetic Biology Interdisciplinary Research Center, Research Unit of Chinese Academy of Medical Sciences, East China University of Science and Technology, Shanghai, China
| | - Bo Pan
- Department of Auricular Reconstruction, Plastic Surgery Hospital, Peking Union Medical College and Chinese Academy of Medical Science, Beijing, China
| | - Jinping Zheng
- Department of Public Health and Preventive Medicine, Changzhi Medical College, Changzhi, China
| | - Yugang Qiu
- School of Rehabilitation Medicine, Weifang Medical University, Weifang, China
| | - Jun Guo
- Institute of Aging and Regenerative Medicine, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Feng Xiao
- Institute of Aging and Regenerative Medicine, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Xiaomei Xie
- Tangshan Gem Flower Hospital, Tangshan, China
| | - Zhenyu Ju
- Institute of Aging and Regenerative Medicine, The First Affiliated Hospital of Jinan University, Jinan University, Guangzhou, China
| | - Yong Zhou
- Clinical Research Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Zhou Y, Qi M, Yang M. Fluorescence determination of lactate dehydrogenase activity based on silicon quantum dots. Spectrochim Acta A Mol Biomol Spectrosc 2022; 268:120697. [PMID: 34915230 DOI: 10.1016/j.saa.2021.120697] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 11/04/2021] [Accepted: 11/30/2021] [Indexed: 06/14/2023]
Abstract
Silicon quantum dots (SiQDs) synthesized based on 3-aminopropyltrimethoxysilane (ATPMS) as silicon source were used to detect the activity of lactate dehydrogenase (LDH) through changes of fluorescence intensity of SiQDs. In this system, the fluorescence of SiQDs was first quenched by nicotinamide adenine dinucleotide (NADH), and then recovered with the addition of LDH, as NADH was consumed by catalytic reaction of LDH. A linear calibration chart of LDH is obtained in the range of 0.77-385 U/mL. The assay displays high selectivity towards LDH detection, and was successfully applied to the analysis of LDH in human serum samples. This assay has great prospects for the diagnosis and prognosis of various diseases, especially melanoma.
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Affiliation(s)
- Yangzhe Zhou
- Department of Plastic Surgery, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Min Qi
- Department of Plastic Surgery, Xiangya Hospital, Central South University, Changsha 410008, China.
| | - Minghui Yang
- College of Chemistry and Chemical Engineering, Central South University, Changsha 410083, China.
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Yang F, Deng X, Yu Y, Luo L, Chen X, Zheng J, Qiu Y, Xiao F, Xie X, Zhao Y, Guo J, Hu F, Zhang X, Ju Z, Zhou Y. Association of Human Whole Blood NAD + Contents With Aging. Front Endocrinol (Lausanne) 2022; 13:829658. [PMID: 35388296 PMCID: PMC8979162 DOI: 10.3389/fendo.2022.829658] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2022] [Accepted: 02/11/2022] [Indexed: 01/14/2023] Open
Abstract
BACKGROUND NAD+, nicotinamide adenine dinucleotide, is mostly described to associate with the aging process. We aimed to investigate the association between human whole blood NAD+ contents and aging in a relative large-scale community-based population and further to address the gender impact on this association. METHODS We recruited 1,518 participants aged over 18 years old and free of cardiovascular and any type of cancer from the Jidong community from 2019 to 2020. Whole blood NAD+ level was measured by cycling assay and LC-mass spectroscopy assay. The chronological age and clinical data were collected using standard questionnaires. The participants were divided into five groups according to their chronological age. General liner regression model was performed to analyze the association between NAD+ contents and aging. In addition, we also conducted subgroup analysis by gender. RESULTS The mean age of included 1,518 participants was 43.0 years, and 52.6% of them were men. The average levels of whole blood NAD+ of total participants was 33.0 ± 5.5 μmol/L. The whole blood NAD+ contents in men were significantly higher than that in women (34.5 vs. 31.3 μmol/L). There was significant difference in the meat diet among NAD+ quartile groups (p = 0.01). We observed a decline trend of NAD+ contents with aging before 50 years in total participants with significant level in 40-49 years old group (β coefficients with 95% confidence interval (95% CI): -1.12 (-2.18, -0.06)), while this trend disappeared after the 50 years. In addition, this association was significantly altered by gender (p for interaction = 0.003). In men, as compared with ≤29 years group, adjusted β coefficient decreased with aging but was only significant in the ≥60 year group (β,-2.16; 95% CI, -4.16 to -0.15). In females, the level of whole blood NAD+ did not significantly differ among five age groups and without the trend as males. CONCLUSIONS Association of whole blood NAD+ contents with aging significantly differed in males and females. The loss of blood NAD+ with aging only was observed in males, especially in the male middle-aged population. It is crucial to consider the gender difference in further NAD+ related studies in the future.
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Affiliation(s)
- Fan Yang
- The First Affiliated Hospital of Jinan University, Institute of Aging and Regenerative Medicine, Jinan University, Guangzhou, China
| | - Xuan Deng
- Clinical Research Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ye Yu
- Administrative Office, Total Quality Management Office, Total Quality Management Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Luo
- The First Affiliated Hospital of Jinan University, Institute of Aging and Regenerative Medicine, Jinan University, Guangzhou, China
| | - Xianda Chen
- The First Affiliated Hospital of Jinan University, Institute of Aging and Regenerative Medicine, Jinan University, Guangzhou, China
| | - Jinping Zheng
- Department of Public Health and Preventive Medicine, Changzhi Medical College, Changzhi, Shanxi, China
| | - Yugang Qiu
- School of Rehabilitation Medicine, Weifang Medical University, Weifang, China
| | - Feng Xiao
- The First Affiliated Hospital of Jinan University, Institute of Aging and Regenerative Medicine, Jinan University, Guangzhou, China
| | - Xiaomei Xie
- Tangshan Gem Flower Hospital, Tangshan, China
| | - Yuzheng Zhao
- Optogenetics & Synthetic Biology Interdisciplinary Research Center, State Key Laboratory of Bioreactor Engineering, Shanghai Frontiers Science Center of Optogenetic Techniques for Cell Metabolism, School of Pharmacy, East China University of Science and Technology, Shanghai, China
| | - Jun Guo
- The First Affiliated Hospital of Jinan University, Institute of Aging and Regenerative Medicine, Jinan University, Guangzhou, China
| | - Feifei Hu
- Clinical Research Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xuguang Zhang
- BYHEALTH Institute of Nutrition & Health, Guangzhou, China
- *Correspondence: Yong Zhou, ; Zhenyu Ju, ; Xuguang Zhang,
| | - Zhenyu Ju
- The First Affiliated Hospital of Jinan University, Institute of Aging and Regenerative Medicine, Jinan University, Guangzhou, China
- *Correspondence: Yong Zhou, ; Zhenyu Ju, ; Xuguang Zhang,
| | - Yong Zhou
- Clinical Research Institute, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- *Correspondence: Yong Zhou, ; Zhenyu Ju, ; Xuguang Zhang,
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Wen S, Arakawa H, Tamai I. CD38 activation by monosodium urate crystals contributes to inflammatory responses in human and murine macrophages. Biochem Biophys Res Commun 2021; 581:6-11. [PMID: 34637964 DOI: 10.1016/j.bbrc.2021.10.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Accepted: 10/01/2021] [Indexed: 01/15/2023]
Abstract
Cluster of differentiation (CD) 38, a major enzyme for nicotinamide adenine dinucleotide (NAD+) degradation, plays a key role in inflammation. Meanwhile, intracellular NAD+ decline is also associated with inflammatory responses. However, whether CD38 activation is involved in gouty inflammation has not been elucidated. The present study aimed to clarify the role of CD38 in monosodium urate crystals (MSU)-triggered inflammatory responses. The results showed that MSU crystals increased the protein expression of CD38 in time- and concentration-dependent manner in THP-1 macrophages and mouse bone marrow-derived macrophages (BMDMs). Moreover, intracellular NAD+ levels were reduced by MSU crystals along with the increased IL-1β release. However, CD38 inhibition by 78c elevated intracellular NAD+ levels and suppressed IL-1β release in MSU crystals-treated THP-1 macrophages and BMDMs. Interestingly, CD38 inhibition without significant elevation of intracellular NAD+ also decreased IL-1β release driven by MSU crystals in THP-1 macrophages. In conclusion, the present study revealed that MSU crystals could activate CD38 with the ensuing intracellular NAD+ decline to promote inflammatory responses in THP-1 macrophages and BMDMs, while CD38 inhibition could suppress MSU crystals-triggered inflammatory responses, indicating that CD38 is a potential therapeutic target for gout.
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Affiliation(s)
- Shijie Wen
- Department of Membrane Transport and Biopharmaceutics, Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa, 920-1192, Japan
| | - Hiroshi Arakawa
- Department of Membrane Transport and Biopharmaceutics, Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa, 920-1192, Japan
| | - Ikumi Tamai
- Department of Membrane Transport and Biopharmaceutics, Faculty of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Ishikawa, 920-1192, Japan.
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Bellanti F, di Bello G, Tamborra R, Amatruda M, Lo Buglio A, Dobrakowski M, Kasperczyk A, Kasperczyk S, Serviddio G, Vendemiale G. Impact of senescence on the transdifferentiation process of human hepatic progenitor-like cells. World J Stem Cells 2021; 13:1595-1609. [PMID: 34786160 PMCID: PMC8567448 DOI: 10.4252/wjsc.v13.i10.1595] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2021] [Revised: 06/14/2021] [Accepted: 08/23/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Senescence is characterized by a decline in hepatocyte function, with impairment of metabolism and regenerative capacity. Several models that duplicate liver functions in vitro are essential tools for studying drug metabolism, liver diseases, and organ regeneration. The human HepaRG cell line represents an effective model for the study of liver metabolism and hepatic progenitors. However, the impact of senescence on HepaRG cells is not yet known.
AIM To characterize the effects of senescence on the transdifferentiation capacity and mitochondrial metabolism of human HepaRG cells.
METHODS We compared the transdifferentiation capacity of cells over 10 (passage 10 [P10]) vs P20. Aging was evaluated by senescence-associated (SA) beta-galactosidase activity and the comet assay. HepaRG transdifferentiation was analyzed by confocal microscopy and flow cytometry (expression of cluster of differentiation 49a [CD49a], CD49f, CD184, epithelial cell adhesion molecule [EpCAM], and cytokeratin 19 [CK19]), quantitative PCR analysis (expression of albumin, cytochrome P450 3A4 [CYP3A4], γ-glutamyl transpeptidase [γ-GT], and carcinoembryonic antigen [CEA]), and functional analyses (albumin secretion, CYP3A4, and γ-GT). Mitochondrial respiration and the ATP and nicotinamide adenine dinucleotide (NAD+)/NAD with hydrogen (NADH) content were also measured.
RESULTS SA β-galactosidase staining was higher in P20 than P10 HepaRG cells; in parallel, the comet assay showed consistent DNA damage in P20 HepaRG cells. With respect to P10, P20 HepaRG cells exhibited a reduction of CD49a, CD49f, CD184, EpCAM, and CK19 after the induction of transdifferentiation. Furthermore, lower gene expression of albumin, CYP3A4, and γ-GT, as well as reduced albumin secretion capacity, CYP3A4, and γ-GT activity were reported in transdifferentiated P20 compared to P10 cells. By contrast, the gene expression level of CEA was not reduced by transdifferentiation in P20 cells. Of note, both cellular and mitochondrial oxygen consumption was lower in P20 than in P10 transdifferentiated cells. Finally, both ATP and NAD+/NADH were depleted in P20 cells with respect to P10 cells.
CONCLUSION SA mitochondrial dysfunction may limit the transdifferentiation potential of HepaRG cells, with consequent impairment of metabolic and regenerative properties, which may alter applications in basic studies.
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Affiliation(s)
- Francesco Bellanti
- Department of Medical and Surgical Sciences, University of Foggia, Foggia 71122, Italy
| | - Giorgia di Bello
- Department of Medical and Surgical Sciences, University of Foggia, Foggia 71122, Italy
| | - Rosanna Tamborra
- Department of Medical and Surgical Sciences, University of Foggia, Foggia 71122, Italy
| | - Marco Amatruda
- Department of Medical and Surgical Sciences, University of Foggia, Foggia 71122, Italy
| | - Aurelio Lo Buglio
- Department of Medical and Surgical Sciences, University of Foggia, Foggia 71122, Italy
| | - Michał Dobrakowski
- Department of Biochemistry, Medical University of Silesia, Zabrze 41-808, Poland
| | | | - Sławomir Kasperczyk
- Department of Biochemistry, Medical University of Silesia, Zabrze 41-808, Poland
| | - Gaetano Serviddio
- Department of Medical and Surgical Sciences, University of Foggia, Foggia 71122, Italy
| | - Gianluigi Vendemiale
- Department of Medical and Surgical Sciences, University of Foggia, Foggia 71122, Italy
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Silveri F, Della Pelle F, Rojas D, Bukhari QUA, Ferraro G, Fratini E, Compagnone D. (+)-Catechin-assisted graphene production by sonochemical exfoliation in water. A new redox-active nanomaterial for electromediated sensing. Mikrochim Acta 2021; 188:369. [PMID: 34618244 DOI: 10.1007/s00604-021-05018-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 09/03/2021] [Indexed: 01/21/2023]
Abstract
A new green and effective sonochemical liquid-phase exfoliation (LPE) is proposed wherein a flavonoid compound, catechin (CT), promotes the formation of conductive, redox-active, water-phase stable graphene nanoflakes (GF). To maximize the GF-CT redox activity, the CT concentration and sonication time have been studied, and the best performing nanomaterial-fraction selected. Physicochemical and electrochemical methods have been employed to characterize the morphological, structural, and electrochemical features of the GF-CT nanoflakes. The obtained GF intercalated with CT exhibits fully reversible electrochemistry (ΔEp = 28 mV, ipa/ipc = ⁓1) because of the catecholic adducts. GF-CT-integrated electrochemistry was generated directly during LPE of graphite, with no need of graphene oxide production, nor activation steps, electropolymerization, or ex-post functionalization. The GF-CT electro-mediator ability has been proven towards hydrazine (HY) and β-nicotinamide adenine dinucleotide (NADH) by simply drop-casting the redox-material onto screen-printed electrodes. GF-CT-based electrodes by using amperometry exhibited high sensitivity and extended linear ranges (HY: LOD = 0.1 µM, L.R. 0.5-150 µM; NADH: LOD = 0.6 µM, L.R. 2.5-200 µM) at low overpotential (+ 0.15 V) with no electrode fouling. The GF-CT electrodes are performing significantly better than commercial graphite electrodes and graphene nanoflakes exfoliated with a conventional surfactant, such as sodium cholate. Recoveries of 94-107% with RSD ≤ 8% (n = 3) for determination of HY and NADH in environmental and biological samples were achieved, proving the material functionality also in challenging analytical media. The presented GF-CT is a new functional redox-active material obtainable with a single-pot sustainable strategy, exhibiting standout properties particularly prone to (bio)sensors and cutting-edge device development.
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Guo J, Li B, Wang J, Guo R, Tian Y, Song S, Guo L. Protective effect and mechanism of nicotinamide adenine dinucleotide against optic neuritis in mice with experimental autoimmune encephalomyelitis. Int Immunopharmacol 2021; 98:107846. [PMID: 34174704 DOI: 10.1016/j.intimp.2021.107846] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 06/01/2021] [Accepted: 06/01/2021] [Indexed: 11/23/2022]
Abstract
Patients with multiple sclerosis (MS) are commonly accompanied by optic neuritis (ON) that causes retinal ganglion cell (RGC) death and even vision loss. Nicotinamide adenine dinucleotide (NAD+) can protect against cell apoptosis and attenuate MS-triggered symptoms. However, the effect of NAD+ on MS-triggered ON remains unclear. Herein, experimental autoimmune encephalomyelitis (EAE) was established by immunizing female C57BL/6 mice with MOG35-55 peptide. To investigate the effect of NAD+ on ON prevention and treatment, EAE mice received 250 mg/kg NAD+ daily via intraperitoneal injection after immunization and EAE onset, respectively. EX-527 (10 mg/kg, SIRT1 inhibitor) was intraperitoneally injected every two days to explore the role of SIRT1 in NAD+-induced therapeutic effect on EAE. NAD+ intervention attenuated the severity of EAE in mice. NAD+ intervention relieved inflammatory infiltration and CD3+ and CD4+ cell infiltration and decreased the number and activation of microglia and astrocytes in the optic nerve. NAD+ intervention also attenuated demyelination, axonal loss, oligodendrocyte apoptosis and oligodendrocyte progenitor cell recruitment and proliferation in the optic nerve and protected against RGC apoptosis in the retina. NAD+ intervention decreased pro-inflammatory cytokine mRNA and pro-apoptotic protein expression and enhanced anti-inflammatory cytokine mRNA expression and the SIRT1 signaling in the optic nerve and retina and regulated the Th1/Th17/Tregs immune response in the spleen. In addition, EX-527 reversed the therapeutic effect of NAD+ on EAE, suggesting that NAD+ prevented MS-triggered ON by activating the SIRT1 signaling pathway. This study shows the potential of NAD+ to be used as a drug in preventing and treating MS-related ON.
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Katayoshi T, Nakajo T, Tsuji-Naito K. Restoring NAD + by NAMPT is essential for the SIRT1/p53-mediated survival of UVA- and UVB-irradiated epidermal keratinocytes. J Photochem Photobiol B 2021; 221:112238. [PMID: 34130091 DOI: 10.1016/j.jphotobiol.2021.112238] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/04/2021] [Revised: 05/06/2021] [Accepted: 06/01/2021] [Indexed: 12/18/2022]
Abstract
Nicotinamide adenine dinucleotide (NAD+) is a crucial coenzyme in energy production. The imbalance of NAD+ synthesis has been found to trigger age-related diseases, such as metabolic disorders, cancer, and neurodegenerative diseases. Also, UV irradiation induces NAD+ depletion in the skin. In mammals, nicotinamide phosphoribosyltransferase (NAMPT) is the rate-limiting enzyme in the NAD+ salvage pathway and essential for NAD+ homeostasis. However, but few studies have focused on the role of NAMPT in response to UV irradiation. Here, we show that NAMPT prevents NAD+ depletion in epidermal keratinocytes to protect against the mild-dose UVA and UVB (UVA/B)-induced proliferation defects. We showed that poly(ADP-ribose) polymerase (PARP) inhibitor rescued the NAD+ depletion in UVA/B-irradiated human keratinocytes, confirming that PAPR transiently exhausts cellular NAD+ to repair DNA damage. Notably, the treatment with a NAMPT inhibitor exacerbated the UVA/B-induced loss of energy production and cell viability. Moreover, the NAMPT inhibitor abrogated the sirtuin-1 (SIRT1)-mediated deacetylation of p53 and significantly inhibited the proliferation of UVA/B-irradiated cells, suggesting that the NAMPT-NAD+-SIRT1 axis regulates p53 functions upon UVA/B stress. The supplementation with NAD+ intermediates, nicotinamide mononucleotide and nicotinamide riboside, rescued the UVA/B-induced phenotypes in the absence of NAMPT activity. Therefore, NAD+ homeostasis is likely essential for the protection of keratinocytes from UV stress in mild doses. Since the skin is continuously exposed to UVA/B irradiation, understanding the protective role of NAMPT in UV stress will help prevent and treat skin photoaging.
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Affiliation(s)
- Takeshi Katayoshi
- DHC Corporation Laboratories, Division 2, 2-42 Hamada, Mihama-ku, Chiba 261-0025, Japan.
| | - Takahisa Nakajo
- DHC Corporation Laboratories, Division 2, 2-42 Hamada, Mihama-ku, Chiba 261-0025, Japan
| | - Kentaro Tsuji-Naito
- DHC Corporation Laboratories, Division 2, 2-42 Hamada, Mihama-ku, Chiba 261-0025, Japan
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Hiramoto K, Yamate Y, Sato EF. p53 and clock genes play an important role in memory and learning ability depression due to long-term ultraviolet A eye irradiation. Photochem Photobiol Sci 2021; 20:677-85. [PMID: 34009633 DOI: 10.1007/s43630-021-00055-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 05/10/2021] [Indexed: 12/14/2022]
Abstract
BACKGROUND Long-term ultraviolet A (UVA) eye irradiation decreases memory and learning ability in mice. However, the underlying mechanism is still unclear. OBJECTIVES In this study, ICR mice were used to study the effects of long-term UVA eye irradiation. METHODS The eyes of mice were exposed to UVA from an FL20SBLB-A lamp three times a week for 1 year. Then, we analyzed memory and learning ability in the mice using water maze and step-through passive avoidance tests, and measured the levels of p53, Period2 (Per2), Clock, brain and muscle Arnt-like protein-1 (Bmal1), nicotinamide mononucleotide adenylyltransferase (NMNAT) activity, nicotinamide phosphoribosyltransferase (NAMPT) activity, nicotinamide adenine dinucleotide (NAD+), and sirtuin 1 (Sirt1) in the brains of treated and control animals. RESULTS The results showed that the p53 level increased significantly following long-term UVA eye irradiation, whereas the levels of Period2, Bmal1, Clock, NMNAT and NAMPT activities, NAD+, and Sirt1 decreased significantly. Furthermore, we found that p53 inhibition ameliorated the UVA eye irradiation-induced depression of memory and learning ability. CONCLUSION These results indicate that long-term UVA eye irradiation stimulates p53, inhibits the clock gene, and reduces Sirt1 production in the NAD+ constructional system, resulting in reduced memory and learning ability.
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Grange RMH, Sharma R, Shah H, Reinstadler B, Goldberger O, Cooper MK, Nakagawa A, Miyazaki Y, Hindle AG, Batten AJ, Wojtkiewicz GR, Schleifer G, Bagchi A, Marutani E, Malhotra R, Bloch DB, Ichinose F, Mootha VK, Zapol WM. Hypoxia ameliorates brain hyperoxia and NAD + deficiency in a murine model of Leigh syndrome. Mol Genet Metab 2021; 133:83-93. [PMID: 33752971 PMCID: PMC8489256 DOI: 10.1016/j.ymgme.2021.03.005] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 03/07/2021] [Accepted: 03/07/2021] [Indexed: 11/24/2022]
Abstract
Leigh syndrome is a severe mitochondrial neurodegenerative disease with no effective treatment. In the Ndufs4-/- mouse model of Leigh syndrome, continuously breathing 11% O2 (hypoxia) prevents neurodegeneration and leads to a dramatic extension (~5-fold) in lifespan. We investigated the effect of hypoxia on the brain metabolism of Ndufs4-/- mice by studying blood gas tensions and metabolite levels in simultaneously sampled arterial and cerebral internal jugular venous (IJV) blood. Relatively healthy Ndufs4-/- and wildtype (WT) mice breathing air until postnatal age ~38 d were compared to Ndufs4-/- and WT mice breathing air until ~38 days old followed by 4-weeks of breathing 11% O2. Compared to WT control mice, Ndufs4-/- mice breathing air have reduced brain O2 consumption as evidenced by an elevated partial pressure of O2 in IJV blood (PijvO2) despite a normal PO2 in arterial blood, and higher lactate/pyruvate (L/P) ratios in IJV plasma revealed by metabolic profiling. In Ndufs4-/- mice, hypoxia treatment normalized the cerebral venous PijvO2 and L/P ratios, and decreased levels of nicotinate in IJV plasma. Brain concentrations of nicotinamide adenine dinucleotide (NAD+) were lower in Ndufs4-/- mice breathing air than in WT mice, but preserved at WT levels with hypoxia treatment. Although mild hypoxia (17% O2) has been shown to be an ineffective therapy for Ndufs4-/- mice, we find that when combined with nicotinic acid supplementation it provides a modest improvement in neurodegeneration and lifespan. Therapies targeting both brain hyperoxia and NAD+ deficiency may hold promise for treating Leigh syndrome.
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Affiliation(s)
- Robert M H Grange
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Rohit Sharma
- Howard Hughes Medical Institute and Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Hardik Shah
- Howard Hughes Medical Institute and Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Bryn Reinstadler
- Howard Hughes Medical Institute and Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Olga Goldberger
- Howard Hughes Medical Institute and Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Marissa K Cooper
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Akito Nakagawa
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Yusuke Miyazaki
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Allyson G Hindle
- School of Life Sciences, University of Nevada Las Vegas, Las Vegas, NV, USA
| | - Annabelle J Batten
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Gregory R Wojtkiewicz
- Center for Systems Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Grigorij Schleifer
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Aranya Bagchi
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Eizo Marutani
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Rajeev Malhotra
- Cardiology Division and Cardiovascular Research Center, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Donald B Bloch
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA; Division of Rheumatology, Allergy and Immunology, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Fumito Ichinose
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Vamsi K Mootha
- Howard Hughes Medical Institute and Department of Molecular Biology, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
| | - Warren M Zapol
- Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care, and Pain Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
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Cui YH, Shi QS, Zhang DD, Wang LL, Feng J, Chen YW, Xie XB. Detoxification of ionic liquids using glutathione, cysteine, and NADH: Toxicity evaluation by Tetrahymena pyriformis. Environ Pollut 2021; 276:116725. [PMID: 33631691 DOI: 10.1016/j.envpol.2021.116725] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/21/2020] [Revised: 12/17/2020] [Accepted: 02/08/2021] [Indexed: 06/12/2023]
Abstract
Ionic liquids (ILs), also known as green solvents, are widely acknowledged in several fields, such as chemical separation, synthesis, and electrochemistry, owing to their excellent physiochemical properties. However, their poor biodegradability may lead to environmental and health risks, posing a severe threat to humans, thus requiring further research. In this study, the biotoxicities of the imidazolium-based ILs were evaluated in Tetrahymena pyriformis. Moreover, IL detoxification was investigated by addition of glutathione (GSH), cysteine, and nicotinamide adenine dinucleotide (NADH). Reactive oxygen species (ROS) initiated by different IL types caused damage to Tetrahymena, while glutathione, cysteine, and NADH eliminated ROS, achieving the detoxification purposes. Detoxification results showed that NADH exhibited the best detoxification ability, followed by glutathione and cysteine. Finally, RT-PCR results suggested that metallothionein might have participated in IL detoxification.
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Affiliation(s)
- Yin Hua Cui
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, China
| | - Qing Shan Shi
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, China
| | - Dan Dan Zhang
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, China
| | - Ling Ling Wang
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, China
| | - Jin Feng
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, China
| | - Yi Wen Chen
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Detection Center of Microbiology, Guangzhou, 510070, China
| | - Xiao Bao Xie
- Guangdong Provincial Key Laboratory of Microbial Culture Collection and Application, State Key Laboratory of Applied Microbiology Southern China, Guangdong Institute of Microbiology, Guangdong Academy of Sciences, Guangzhou, 510070, China.
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Puentes LN, Lengyel-Zhand Z, Reilly SW, Mach RH. Evaluation of a Low-Toxicity PARP Inhibitor as a Neuroprotective Agent for Parkinson's Disease. Mol Neurobiol 2021; 58:3641-3652. [PMID: 33788167 DOI: 10.1007/s12035-021-02371-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Accepted: 03/22/2021] [Indexed: 10/21/2022]
Abstract
Repurposing PARP-1 inhibitors (PARPi) for non-oncological applications offers an attractive therapeutic strategy for pathological conditions characterized by PARP-1 hyperactivity. In the context of Parkinson's disease (PD), PARP-1 hyperactivity has been linked to neuronal death and disease progression. From a therapy perspective, the evaluation of PARPi as neuroprotective agents may offer a new therapeutic alternative for neurodegenerative disorders. An ideal PARPi needs to inhibit PARP-1 hyperactivity while also limiting downstream DNA damage and cellular toxicity-an effect that is attractive in cancer but far from ideal in neurological disease applications. Consequently, in this study, we set out to evaluate the neuroprotective properties of a previously reported low-toxicity PARPi (10e) using in vitro neuronal models of PD. 10e is a structural analogue of FDA-approved PARPi olaparib, with high PARP-1 affinity and selectivity. Our studies revealed that 10e protects neuronal cells from oxidative stress and DNA damage. In addition, 10e exhibits neuroprotective properties against α-synuclein pre-formed fibrils (αSyn PFF) mediated effects, including reduction in the levels of phosphorylated αSyn and protection against abnormal changes in NAD+ levels. Our in vitro studies with 10e provide support for repurposing high-affinity and low-toxicity PARPi for neurological applications and lay the groundwork for long-term therapeutic studies in animal models of PD.
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Affiliation(s)
- Laura N Puentes
- Department of Systems Pharmacology and Translational Therapeutics, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Zsofia Lengyel-Zhand
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Sean W Reilly
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Robert H Mach
- Department of Radiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA.
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Saville KM, Clark J, Wilk A, Rogers GD, Andrews JF, Koczor CA, Sobol RW. NAD +-mediated regulation of mammalian base excision repair. DNA Repair (Amst) 2020; 93:102930. [PMID: 33087267 DOI: 10.1016/j.dnarep.2020.102930] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
The enzymes of the base excision repair (BER) pathway form DNA lesion-dependent, transient complexes that vary in composition based on the type of DNA damage. These protein sub-complexes facilitate substrate/product handoff to ensure reaction completion so as to avoid accumulation of potentially toxic DNA repair intermediates. However, in the mammalian cell, additional signaling molecules are required to fine-tune the activity of the BER pathway enzymes and to facilitate chromatin/histone reorganization for access to the DNA lesion for repair. These signaling enzymes include nicotinamide adenine dinucleotide (NAD+) dependent poly(ADP-ribose) polymerases (PARP1, PARP2) and class III deacetylases (SIRT1, SIRT6) that comprise a key PARP-NAD-SIRT axis to facilitate the regulation and coordination of BER in the mammalian cell. Here, we briefly describe the key nodes in the BER pathway that are regulated by this axis and highlight the cellular and organismal variation in NAD+ bioavailability that can impact BER signaling potential. We discuss how cellular NAD+ is required for BER to maintain genome stability and to mount a robust cellular response to DNA damage. Finally, we consider the dependence of BER on the PARP-NAD-SIRT axis for BER protein complex assembly.
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Nie H, Nie M, Diwu Z, Wang L, Qiao Q, Zhang B, Yang X. Homogeneously catalytic oxidation of phenanthrene by the reaction of extracellular secretions of pyocyanin and Nicotinamide Adenine Dinucleotide. Environ Res 2020; 191:110159. [PMID: 32898564 DOI: 10.1016/j.envres.2020.110159] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2020] [Revised: 07/17/2020] [Accepted: 08/28/2020] [Indexed: 06/11/2023]
Abstract
Application of biological methods on polycyclic aromatic hydrocarbons (PAHs) treatment is always limited by its low degradation efficiency. In this work, a catalytic oxidation pathway of phenanthrene resulted by extracellular secretions of P. aeruginosa NY3 was proposed. Results of the in vitro experiments showed that, the extracellular secretions of Pyocyanin (Pyo) and Nicotinamide Adenine Dinucleotide (NADH) acted as homogeneous catalysts because which produced H2O2, hydroxyl free radical and superoxide anion radical continuously under aerobic conditions. These produced reactive oxygen species oxidized the phenanthrene in aqueous solution, leading to the cleavage of the phenanthrene ring and the formation of phthalates products and low molecular weight metabolites (such as alkanoic acids). The ratio of BOD5/COD of phenanthrene-containing wastewaters was greatly improved after treating with Pyo and NADH. Results of the in vivo experiments showed that, pre-degradation of phenanthrene by extracellular fluid simultaneously containing Pyo and NADH, promoted cell growth of P. aeruginosa NY3, which confirmed the improvement of bioavalability of phenanthrene-containing wastewaters by the catalytic oxidation of Pyo and NADH. Further details of the free radical detection indicated that, the increase in secretion of Pyo by a bacterium was favorable to the production of H2O2 in the extracellular fluid.
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Affiliation(s)
- Hongyun Nie
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, No. 13 Yanta Road, Xi'an, 710055, Shaanxi Province, PR China; Key Laboratory of Membrane Separation of Shaanxi Province, No. 13 Yanta Road, Xi'an, 710055, Shaanxi Province, PR China
| | - Maiqian Nie
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, No. 13 Yanta Road, Xi'an, 710055, Shaanxi Province, PR China; Key Laboratory of Membrane Separation of Shaanxi Province, No. 13 Yanta Road, Xi'an, 710055, Shaanxi Province, PR China.
| | - Zhenjun Diwu
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, No. 13 Yanta Road, Xi'an, 710055, Shaanxi Province, PR China; Key Laboratory of Membrane Separation of Shaanxi Province, No. 13 Yanta Road, Xi'an, 710055, Shaanxi Province, PR China.
| | - Lei Wang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, No. 13 Yanta Road, Xi'an, 710055, Shaanxi Province, PR China; Key Laboratory of Membrane Separation of Shaanxi Province, No. 13 Yanta Road, Xi'an, 710055, Shaanxi Province, PR China
| | - Qi Qiao
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, No. 13 Yanta Road, Xi'an, 710055, Shaanxi Province, PR China
| | - Bo Zhang
- School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, No. 13 Yanta Road, Xi'an, 710055, Shaanxi Province, PR China
| | - Xuefu Yang
- School of Civil and Architecture Engineering, Xi'an Technological University, Xi'an, 710032, PR China
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Sun H, Wang J, Guo L, Wang Y, Zhang J, Wang J, Quan M, Li B. The combined treatment of NAD + and atorvastatin ameliorates the development of experimental autoimmune encephalomyelitis in C57BL/6 mice. J Neuroimmunol 2020; 350:577429. [PMID: 33176238 DOI: 10.1016/j.jneuroim.2020.577429] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2020] [Revised: 10/08/2020] [Accepted: 10/22/2020] [Indexed: 12/23/2022]
Abstract
Multiple sclerosis (MS) is a demyelinating and degenerating disorder of the central nervous system impacting many patients worldwide. Due to the complex pathogenesis of MS, drugs to treat MS often show partial effectiveness. Earlier experiments have demonstrated that both atorvastatin and nicotinamide adenine dinucleotide (NAD+) may ameliorate experimental autoimmune encephalomyelitis (EAE), which is known as a classical model of MS, via different protective mechanisms. Since combination therapy can exhibit more beneficial effects than monotherapy, we observed the protective effects of combined treatment of atorvastatin and NAD+ in EAE mice. Our results showed that the combined treatment of these two drugs at half of their optimal dosages had synergistic effect to alleviate the severity of EAE in mice than treatment with each alone. The combined treatment of EAE mice with atorvastatin plus NAD+ relieved the clinical signs and histologic changes, increased the proportion of Treg cells, attenuated IL-17 production, reduced proinflammatory cytokine secretion of Th17 cells, and increased cytokine secretion of Treg cells. In addition, the combined treatment also diminished phosphorylation of both P38 MAPK and ERK, while elevated SIRT1 expression. Taken together, these data suggested that combined treatment with NAD+ and atorvastatin could attenuate the progression of EAE by synergistic immune regulation.
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Affiliation(s)
- Huanhuan Sun
- Department of Vascular Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei, China
| | - Jueqiong Wang
- Department of Neurology, Neurological Laboratory of Hebei Province, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei, China
| | - Li Guo
- Department of Neurology, Neurological Laboratory of Hebei Province, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei, China
| | - Ying Wang
- Department of Neurology, Neurological Laboratory of Hebei Province, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei, China
| | - Jing Zhang
- Department of Neurology, Neurological Laboratory of Hebei Province, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei, China
| | - Jinli Wang
- Department of Neurology, Neurological Laboratory of Hebei Province, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei, China
| | - Moyuan Quan
- Department of Neurology, Neurological Laboratory of Hebei Province, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei, China
| | - Bin Li
- Department of Neurology, Neurological Laboratory of Hebei Province, The Second Hospital of Hebei Medical University, Shijiazhuang 050000, Hebei, China.
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Cheng WH, Huang KY, Ong SC, Ku FM, Huang PJ, Lee CC, Yeh YM, Lin R, Chiu CH, Tang P. Protein cysteine S-nitrosylation provides reducing power by enhancing lactate dehydrogenase activity in Trichomonas vaginalis under iron deficiency. Parasit Vectors 2020; 13:477. [PMID: 32948226 PMCID: PMC7501694 DOI: 10.1186/s13071-020-04355-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 09/11/2020] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Iron plays essential roles in the pathogenesis and proliferation of Trichomonas vaginalis, the causative agent of the most prevalent non-viral human sexually transmitted infection. We previously demonstrated that under iron deficiency, the endogenous nitric oxide (NO) is accumulated and capable of regulating the survival of T. vaginalis. Herein, we aim to explore the influence of NO on the activity of the pyruvate-reducing enzyme lactate dehydrogenase in T. vaginalis (TvLDH). METHODS Levels of lactate and pyruvate were detected for determining glycolysis activity in T. vaginalis under iron deficiency. Quantitative PCR was performed to determine the expression of TvLDH. S-nitrosylated (SNO) proteomics was conducted to identify the NO-modified proteins. The activities of glyceraldehyde-3-phosphate dehydrogenase (TvGAPDH) and TvLDH were measured after sodium nitrate treatment. The effects of protein nitrosylation on the production of cellular reducing power were examined by measuring the amount of nicotinamide adenine dinucleotide (NAD) and the ratio of the NAD redox pair (NAD+/NADH). RESULTS We found that although the glycolytic pathway was activated in cells under iron depletion, the level of pyruvate was decreased due to the increased level of TvLDH. By analyzing the SNO proteome of T. vaginalis upon iron deficiency, we found that TvLDH is one of the glycolytic enzymes modified by SNO. The production of pyruvate was significantly reduced after nitrate treatment, indicating that protein nitrosylation accelerated the consumption of pyruvate by increasing TvLDH activity. Nitrate treatment also induced NAD oxidation, suggesting that protein nitrosylation was the key posttranslational modification controlling cellular redox status. CONCLUSIONS We demonstrated that NO-mediated protein nitrosylation plays pivotal roles in the regulation of glycolysis, pyruvate metabolism, and the activity of TvLDH. The recycling of oxidized NAD catalyzed by TvLDH provided the reducing power that allowed T. vaginalis to adapt to the iron-deficient environment.
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Affiliation(s)
- Wei-Hung Cheng
- Department of Parasitology, College of Medicine, Chang Gung University, Guishan District, Taoyuan City, Taiwan
| | - Kuo-Yang Huang
- Graduate Institute of Pathology and Parasitology, National Defense Medical Center, Taipei, Taiwan
| | - Seow-Chin Ong
- Department of Parasitology, College of Medicine, Chang Gung University, Guishan District, Taoyuan City, Taiwan
| | - Fu-Man Ku
- Department of Parasitology, College of Medicine, Chang Gung University, Guishan District, Taoyuan City, Taiwan
| | - Po-Jung Huang
- Department of Biomedical Sciences, College of Medicine, Chang Gung University, Guishan District, Taoyuan City, Taiwan
- Genomic Medicine Core Laboratory, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Chi-Ching Lee
- Genomic Medicine Core Laboratory, Chang Gung Memorial Hospital, Linkou, Taiwan
- Department of Computer Science and Information Engineering, College of Engineering, Chang Gung University, Guishan District, Taoyuan City, Taiwan
| | - Yuan-Ming Yeh
- Genomic Medicine Core Laboratory, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Rose Lin
- Department of Parasitology, College of Medicine, Chang Gung University, Guishan District, Taoyuan City, Taiwan
| | - Cheng-Hsun Chiu
- Molecular Infectious Disease Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan
| | - Petrus Tang
- Department of Parasitology, College of Medicine, Chang Gung University, Guishan District, Taoyuan City, Taiwan
- Molecular Infectious Disease Research Center, Chang Gung Memorial Hospital, Linkou, Taiwan
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Zhou ZD, Tan EK. Oxidized nicotinamide adenine dinucleotide-dependent mitochondrial deacetylase sirtuin-3 as a potential therapeutic target of Parkinson's disease. Ageing Res Rev 2020; 62:101107. [PMID: 32535274 DOI: 10.1016/j.arr.2020.101107] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Revised: 05/18/2020] [Accepted: 06/05/2020] [Indexed: 12/11/2022]
Abstract
Mitochondrial impairment is associated with progressive dopamine (DA) neuron degeneration in Parkinson's disease (PD). Recent findings highlight that Sirtuin-3 (SIRT3), a mitochondrial protein, is an oxidized nicotinamide adenine dinucleotide (NAD+)-dependent deacetylase and a key modulator in maintaining integrity and functions of mitochondria. SIRT3 plays vital roles in regulation of mitochondrial functions, including mitochondrial ATP generation and energy metabolism, anti-oxidant defense, and cell death and proliferation. SIRT3 can deacetylate the transcriptional factors and crosstalk with different signaling pathways to cooperatively modulate mitochondrial functions and regulate defensive mitochondrial quality control (QC) systems. Down-regulated NAD+ level and decreased SIRT3 activity are related to aging process and has been pathologically linked to PD pathogenesis. Further, SIRT3 can bind and deacetylate PTEN-induced kinase 1 (PINK1) and PD protein 2 E3 ubiquitin protein ligase (Parkin) to facilitate mitophagy. Leucine Rich Repeat Kinase 2 (LRRK2)-G2019S mutation in PD is linked to SIRT3 impairment. Furthermore, SIRT3 is inversely associated with α-synuclein aggregation and DA neuron degeneration in PD. SIRT3 chemical activators and NAD+ precursors can up-regulate SIRT3 activity to protect against DA neuron degeneration in PD models. Taken together, SIRT3 is a promising PD therapeutic target and studies of SIRT3 functional modulators with neuroprotective capability will be of clinical interest.
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Affiliation(s)
- Zhi Dong Zhou
- National Neuroscience Institute, 11 Jalan Tan Tock Seng, 308433, Singapore; Duke-NUS Graduate Medical School, 8 College Road, 169857, Singapore.
| | - Eng King Tan
- National Neuroscience Institute, 11 Jalan Tan Tock Seng, 308433, Singapore; Department of Neurology, Singapore General Hospital, Outram Road, 169608, Singapore; Duke-NUS Graduate Medical School, 8 College Road, 169857, Singapore.
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44
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Fan L, Cacicedo JM, Ido Y. Impaired nicotinamide adenine dinucleotide (NAD + ) metabolism in diabetes and diabetic tissues: Implications for nicotinamide-related compound treatment. J Diabetes Investig 2020; 11:1403-1419. [PMID: 32428995 PMCID: PMC7610120 DOI: 10.1111/jdi.13303] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 05/13/2020] [Accepted: 05/14/2020] [Indexed: 01/08/2023] Open
Abstract
One of the biochemical abnormalities found in diabetic tissues is a decrease in the cytosolic oxidized to reduced forms of the nicotinamide adenine dinucleotide ratio (NAD+/NADH also known as pseudohypoxia) caused by oxidation of excessive substrates (glucose through the polyol pathway, free fatty acids and lactate). Subsequently, a decline in NAD+ levels as a result of the activation of poly adenine nucleotide diphosphate‐ribose polymerase (mainly in type 1 diabetes) or the inhibition of adenine nucleotide monophosphate‐activated protein kinase (in type 2 diabetes). Thus, replenishment of NAD+ levels by nicotinamide‐related compounds could be beneficial. However, these compounds also increase nicotinamide catabolites that cause oxidative stress. This is particularly troublesome for patients with diabetes, because they have impaired nicotinamide salvage pathway reactions at the level of nicotinamide phosphoribosyl transferase and phosphoribosyl pyrophosphate, which occurs by the following mechanisms. First, phosphoribosyl pyrophosphate synthesis from pentose phosphate pathway is compromised by a decrease in plasma thiamine and transketolase activity. Second, nicotinamide phosphoribosyl transferase expression is decreased because of reduced adenosine monophosphate‐activated protein kinase activity, which occurs in type 2 diabetes. The adenosine monophosphate‐activated protein kinase inhibition is caused by an activation of protein kinase C and D1 as a result of enhanced diacylglycerol synthesis caused by pseudohypoxia and increased fatty acids levels. In this regard, nicotinamide‐related compounds should be given with caution to treat diabetes. To minimize the risk and maximize the benefit, nicotinamide‐related compounds should be taken with insulin sensitizers (for type 2 diabetes), polyphenols, benfotiamine, acetyl‐L‐carnitine and aldose reductase inhibitors. The efficacy of these regimens can be monitored by measuring serum NAD+ and urinary nicotinamide catabolites.
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Affiliation(s)
- Lan Fan
- Boston University School of Medicine, Boston, Massachusetts, USA
| | - Jose M Cacicedo
- Boston University School of Medicine, Boston, Massachusetts, USA
| | - Yasuo Ido
- Boston University School of Medicine, Boston, Massachusetts, USA
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45
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Hämmerle M, Le MH, Hekmat O. GC-FID-based quantification of the sum of the three forms of vitamin B 3 from animal liver. Anal Biochem 2020; 601:113778. [PMID: 32439310 DOI: 10.1016/j.ab.2020.113778] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 02/20/2020] [Accepted: 05/13/2020] [Indexed: 11/30/2022]
Abstract
Vitamin B3 (nicotinic acid, nicotinamide) is an essential water-soluble vitamin and cellular energy metabolism depends on the vitamin B3-derived cofactors. Inaccessible covalently-linked nicotinic acid in food such as maize can cause vitamin B3 deficiency in animals since maize is also deficient in tryptophan, the precursor of nicotinic acid. A sensitive and reproducible GC-FID-based method for the quantification of the sum of the three forms of vitamin B3 from animal liver was developed. Free nicotinic acid, free nicotinamide and nicotinamide moiety of NAD+/NADP+ (and their riboside precursors) were simultaneously derivatized as methyl nicotinate. Reaction time and temperature and the extraction procedure for methyl nicotinate were optimized. Starting from wild boar liver, removal of proteins, solvent exchange, derivatization, and chloroform extraction resulted in sufficient enrichment and baseline separation of methyl nicotinate. The within-laboratory reproducibility of the full procedure was determined with RSD <10%. On-column limit of detection and lower limit of quantification for methyl nicotinate were both sub-picomole. The accuracy of the method was determined from the recoveries of the pre-extraction spiked-in vitamin B3 standards. The overall recovery for the full procedure was 16% but very consistent (RSD = 7%), enabling determination of apparent vitamin B3 concentrations for relative quantitative comparison.
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Affiliation(s)
- Michael Hämmerle
- Department of Interdisciplinary Life Sciences, Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Savoyenstraße 1, A-1160, Vienna, Austria
| | - Minh Hien Le
- Department of Interdisciplinary Life Sciences, Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Savoyenstraße 1, A-1160, Vienna, Austria
| | - Omid Hekmat
- Department of Interdisciplinary Life Sciences, Research Institute of Wildlife Ecology, University of Veterinary Medicine, Vienna, Savoyenstraße 1, A-1160, Vienna, Austria.
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46
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Mateuszuk Ł, Campagna R, Kutryb-Zając B, Kuś K, Słominska EM, Smolenski RT, Chlopicki S. Reversal of endothelial dysfunction by nicotinamide mononucleotide via extracellular conversion to nicotinamide riboside. Biochem Pharmacol 2020; 178:114019. [PMID: 32389638 DOI: 10.1016/j.bcp.2020.114019] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 05/04/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Nicotinamide mononucleotide (NMN) and nicotinamide riboside (NR) are effective substrates for NAD synthesis, which may act as vasoprotective agents. Here, we characterize the effects of NMN and NR on endothelial inflammation and dysfunction and test the involvement of CD73 in these effects. MATERIALS AND METHODS The effect of NMN and NR on IL1β- or TNFα-induced endothelial inflammation (ICAM1 and vWF expression), intracellular NAD concentration and NAD-related enzyme expression (NAMPT, CD38, CD73), were studied in HAECs. The effect of NMN and NR on angiotensin II-induced impairment of endothelium-dependent vasodilation was analyzed in murine aortic rings. The involvement of CD73 in NMN and NR effects was tested using CD73 inhibitor-AOPCP, or CD73-/- mice. RESULTS 24 h-incubation with NMN and NR induced anti-inflammatory effects in HAEC stimulated by IL1β or TNFα, as evidenced by a reduction in ICAM1 and vWF expression. Effects of exogenous NMN but not NR was abrogated in the presence of AOPCP, that efficiently inhibited extracellular endothelial conversion of NMN to NR, without a significant effect on the metabolism of NMN to NA. Surprisingly, intracellular NAD concentration increased in HAEC stimulated by IL1β or TNFα and this effect was associated with upregulation of NAMPT and CD73, whereas changes in CD38 expression were less pronounced. NMN and NR further increased NAD in IL1β-stimulated HAECs and AOPCP diminished NMN-induced increase in NAD, without an effect on NR-induced response. In ex vivo aortic rings stimulated with angiotensin II for 24 h, NO-dependent vasorelaxation induced by acetylcholine was impaired. NMN and NR, both prevented Ang II-induced endothelial dysfunction in the aorta. In aortic rings taken from CD73-/- mice NMN effect was lost, whereas NR effect was preserved. CONCLUSION NMN and NR modulate intracellular NAD content in endothelium, inhibit endothelial inflammation and improve NO-dependent function by CD73-dependent and independent pathways, respectively. Extracellular conversion of NMN to NR by CD73 localized in the luminal surface of endothelial cells represent important vasoprotective mechanisms to maintain intracellular NAD.
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47
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Feitosa-Araujo E, de Souza Chaves I, Florian A, da Fonseca-Pereira P, Condori Apfata JA, Heyneke E, Medeiros DB, Pires MV, Mettler-Altmann T, Neuhaus HE, Palmieri F, Ara�jo WL, Obata T, Weber APM, Linka N, Fernie AR, Nunes-Nesi A. Downregulation of a Mitochondrial NAD+ Transporter (NDT2) Alters Seed Production and Germination in Arabidopsis. Plant Cell Physiol 2020; 61:897-908. [PMID: 32065636 PMCID: PMC7217668 DOI: 10.1093/pcp/pcaa017] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/25/2019] [Accepted: 02/08/2020] [Indexed: 05/20/2023]
Abstract
Despite the fundamental importance of nicotinamide adenine dinucleotide (NAD+) for metabolism, the physiological roles of NAD+ carriers in plants remain unclear. We previously characterized the Arabidopsis thaliana gene (At1g25380), named AtNDT2, encoding a protein located in the mitochondrial inner membrane, which imports NAD+ from the cytosol using ADP and AMP as counter-exchange substrates for NAD+. Here, we further investigated the physiological roles of NDT2, by isolating a T-DNA insertion line, generating an antisense line and characterizing these genotypes in detail. Reduced NDT2 expression affected reproductive phase by reducing total seed yield. In addition, reduced seed germination and retardation in seedling establishment were observed in the mutant lines. Moreover, remarkable changes in primary metabolism were observed in dry and germinated seeds and an increase in fatty acid levels was verified during seedling establishment. Furthermore, flowers and seedlings of NDT2 mutants displayed upregulation of de novo and salvage pathway genes encoding NAD+ biosynthesis enzymes, demonstrating the transcriptional control mediated by NDT2 activity over these genes. Taken together, our results suggest that NDT2 expression is fundamental for maintaining NAD+ balance amongst organelles that modulate metabolism, physiology and developmental processes of heterotrophic tissues.
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Affiliation(s)
- Elias Feitosa-Araujo
- Max Planck Partner Group, Departamento de Biologia Vegetal, Universidade Federal de Vi�osa, Vi�osa 36570-900, Minas Gerais, Brazil
| | - Izabel de Souza Chaves
- Max Planck Partner Group, Departamento de Biologia Vegetal, Universidade Federal de Vi�osa, Vi�osa 36570-900, Minas Gerais, Brazil
| | - Alexandra Florian
- Max-Planck-Institute of Molecular Plant Physiology, Am M�hlenberg 1, Potsdam-Golm 14476, Germany
| | - Paula da Fonseca-Pereira
- Max Planck Partner Group, Departamento de Biologia Vegetal, Universidade Federal de Vi�osa, Vi�osa 36570-900, Minas Gerais, Brazil
| | - Jorge Alberto Condori Apfata
- Max Planck Partner Group, Departamento de Biologia Vegetal, Universidade Federal de Vi�osa, Vi�osa 36570-900, Minas Gerais, Brazil
| | - Elmien Heyneke
- Max-Planck-Institute of Molecular Plant Physiology, Am M�hlenberg 1, Potsdam-Golm 14476, Germany
| | - David Barbosa Medeiros
- Max Planck Partner Group, Departamento de Biologia Vegetal, Universidade Federal de Vi�osa, Vi�osa 36570-900, Minas Gerais, Brazil
- Max-Planck-Institute of Molecular Plant Physiology, Am M�hlenberg 1, Potsdam-Golm 14476, Germany
| | - Marcel Viana Pires
- Max Planck Partner Group, Departamento de Biologia Vegetal, Universidade Federal de Vi�osa, Vi�osa 36570-900, Minas Gerais, Brazil
| | - Tabea Mettler-Altmann
- Department of Plant Biochemistry, Heinrich Heine University D�sseldorf, D�sseldorf 40225, Germany
| | - H Ekkehard Neuhaus
- Department of Plant Physiology, University of Kaiserslautern, Kaiserslautern 67663, Germany
| | - Ferdinando Palmieri
- Department of Biosciences, Biotechnology and Biopharmaceutics, University of Bari, Bari 70125, Italy
| | - Wagner L Ara�jo
- Max Planck Partner Group, Departamento de Biologia Vegetal, Universidade Federal de Vi�osa, Vi�osa 36570-900, Minas Gerais, Brazil
| | - Toshihiro Obata
- Max-Planck-Institute of Molecular Plant Physiology, Am M�hlenberg 1, Potsdam-Golm 14476, Germany
| | - Andreas P M Weber
- Department of Plant Biochemistry, Heinrich Heine University D�sseldorf, D�sseldorf 40225, Germany
| | - Nicole Linka
- Department of Plant Biochemistry, Heinrich Heine University D�sseldorf, D�sseldorf 40225, Germany
| | - Alisdair R Fernie
- Max-Planck-Institute of Molecular Plant Physiology, Am M�hlenberg 1, Potsdam-Golm 14476, Germany
- Corresponding authors: Alisdair R. Fernie, E-mail, ; Adriano Nunes-Nesi, E-mail,
| | - Adriano Nunes-Nesi
- Max Planck Partner Group, Departamento de Biologia Vegetal, Universidade Federal de Vi�osa, Vi�osa 36570-900, Minas Gerais, Brazil
- Corresponding authors: Alisdair R. Fernie, E-mail, ; Adriano Nunes-Nesi, E-mail,
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48
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Doig CL, Zielinska AE, Fletcher RS, Oakey LA, Elhassan YS, Garten A, Cartwright D, Heising S, Alsheri A, Watson DG, Prehn C, Adamski J, Tennant DA, Lavery GG. Induction of the nicotinamide riboside kinase NAD + salvage pathway in a model of sarcoplasmic reticulum dysfunction. Skelet Muscle 2020; 10:5. [PMID: 32075690 PMCID: PMC7031948 DOI: 10.1186/s13395-019-0216-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2019] [Accepted: 10/15/2019] [Indexed: 01/22/2023] Open
Abstract
Background Hexose-6-Phosphate Dehydrogenase (H6PD) is a generator of NADPH in the Endoplasmic/Sarcoplasmic Reticulum (ER/SR). Interaction of H6PD with 11β-hydroxysteroid dehydrogenase type 1 provides NADPH to support oxo-reduction of inactive to active glucocorticoids, but the wider understanding of H6PD in ER/SR NAD(P)(H) homeostasis is incomplete. Lack of H6PD results in a deteriorating skeletal myopathy, altered glucose homeostasis, ER stress and activation of the unfolded protein response. Here we further assess muscle responses to H6PD deficiency to delineate pathways that may underpin myopathy and link SR redox status to muscle wide metabolic adaptation. Methods We analysed skeletal muscle from H6PD knockout (H6PDKO), H6PD and NRK2 double knockout (DKO) and wild-type (WT) mice. H6PDKO mice were supplemented with the NAD+ precursor nicotinamide riboside. Skeletal muscle samples were subjected to biochemical analysis including NAD(H) measurement, LC-MS based metabolomics, Western blotting, and high resolution mitochondrial respirometry. Genetic and supplement models were assessed for degree of myopathy compared to H6PDKO. Results H6PDKO skeletal muscle showed adaptations in the routes regulating nicotinamide and NAD+ biosynthesis, with significant activation of the Nicotinamide Riboside Kinase 2 (NRK2) pathway. Associated with changes in NAD+ biosynthesis, H6PDKO muscle had impaired mitochondrial respiratory capacity with altered mitochondrial acylcarnitine and acetyl-CoA metabolism. Boosting NAD+ levels through the NRK2 pathway using the precursor nicotinamide riboside elevated NAD+/NADH but had no effect to mitigate ER stress and dysfunctional mitochondrial respiratory capacity or acetyl-CoA metabolism. Similarly, H6PDKO/NRK2 double KO mice did not display an exaggerated timing or severity of myopathy or overt change in mitochondrial metabolism despite depression of NAD+ availability. Conclusions These findings suggest a complex metabolic response to changes in muscle SR NADP(H) redox status that result in impaired mitochondrial energy metabolism and activation of cellular NAD+ salvage pathways. It is possible that SR can sense and signal perturbation in NAD(P)(H) that cannot be rectified in the absence of H6PD. Whether NRK2 pathway activation is a direct response to changes in SR NAD(P)(H) availability or adaptation to deficits in metabolic energy availability remains to be resolved.
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Affiliation(s)
- Craig L Doig
- Institute of Metabolism and Systems Research, University of Birmingham, 2nd Floor IBR Tower, Edgbaston, Birmingham, B15 2TT, UK.,Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
| | - Agnieszka E Zielinska
- Institute of Metabolism and Systems Research, University of Birmingham, 2nd Floor IBR Tower, Edgbaston, Birmingham, B15 2TT, UK
| | - Rachel S Fletcher
- Institute of Metabolism and Systems Research, University of Birmingham, 2nd Floor IBR Tower, Edgbaston, Birmingham, B15 2TT, UK.,Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
| | - Lucy A Oakey
- Institute of Metabolism and Systems Research, University of Birmingham, 2nd Floor IBR Tower, Edgbaston, Birmingham, B15 2TT, UK.,Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
| | - Yasir S Elhassan
- Institute of Metabolism and Systems Research, University of Birmingham, 2nd Floor IBR Tower, Edgbaston, Birmingham, B15 2TT, UK.,Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
| | - Antje Garten
- Institute of Metabolism and Systems Research, University of Birmingham, 2nd Floor IBR Tower, Edgbaston, Birmingham, B15 2TT, UK
| | - David Cartwright
- Institute of Metabolism and Systems Research, University of Birmingham, 2nd Floor IBR Tower, Edgbaston, Birmingham, B15 2TT, UK.,Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
| | - Silke Heising
- Institute of Metabolism and Systems Research, University of Birmingham, 2nd Floor IBR Tower, Edgbaston, Birmingham, B15 2TT, UK.,Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
| | - Ahmed Alsheri
- Strathclyde Institute of Pharmacy and Medical Sciences, Hamnett Wing John Arbuthnott Building, Glasgow, G4 0RE, UK
| | - David G Watson
- Strathclyde Institute of Pharmacy and Medical Sciences, Hamnett Wing John Arbuthnott Building, Glasgow, G4 0RE, UK
| | - Cornelia Prehn
- Research Unit of Molecular Endocrinology and Metabolism, Helmholtz Zentrum Munchen GmbH, Ingolstadter Landstrasse 1, D-85764, Neuherberg, Germany.,Lehrstuhl für Experimentelle Genetik, Technische Universität München, Freising, Germany.,Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117593, Singapore
| | - Jerzy Adamski
- Research Unit of Molecular Endocrinology and Metabolism, Helmholtz Zentrum Munchen GmbH, Ingolstadter Landstrasse 1, D-85764, Neuherberg, Germany.,Lehrstuhl für Experimentelle Genetik, Technische Universität München, Freising, Germany.,Department of Biochemistry, Yong Loo Lin School of Medicine, National University of Singapore, Singapore, 117593, Singapore
| | - Daniel A Tennant
- Institute of Metabolism and Systems Research, University of Birmingham, 2nd Floor IBR Tower, Edgbaston, Birmingham, B15 2TT, UK.,Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK
| | - Gareth G Lavery
- Institute of Metabolism and Systems Research, University of Birmingham, 2nd Floor IBR Tower, Edgbaston, Birmingham, B15 2TT, UK. .,Centre for Endocrinology, Diabetes and Metabolism, Birmingham Health Partners, Birmingham, UK. .,MRC-ARUK Centre for Musculoskeletal Ageing Research, University of Birmingham, Birmingham, UK.
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49
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Ruszkiewicz JA, Bürkle A, Mangerich A. NAD + in sulfur mustard toxicity. Toxicol Lett 2020; 324:95-103. [PMID: 32017979 DOI: 10.1016/j.toxlet.2020.01.024] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2019] [Revised: 01/08/2020] [Accepted: 01/25/2020] [Indexed: 12/21/2022]
Abstract
Sulfur mustard (SM) is a toxicant and chemical warfare agent with strong vesicant properties. The mechanisms behind SM-induced toxicity are not fully understood and no antidote or effective therapy against SM exists. Both, the risk of SM release in asymmetric conflicts or terrorist attacks and the usage of SM-derived nitrogen mustards as cancer chemotherapeutics, render the mechanisms of mustard-induced toxicity a highly relevant research subject. Herein, we review a central role of the abundant cellular molecule nicotinamide adenine dinucleotide (NAD+) in molecular mechanisms underlying SM toxicity. We also discuss the potential beneficial effects of NAD+ precursors in counteracting SM-induced damage.
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50
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Zhu X, Wei Y, Yang B, Yin X, Guo X. The mitohormetic response as part of the cytoprotection mechanism of berberine : Berberine induces mitohormesis and mechanisms. Mol Med 2020; 26:10. [PMID: 31973689 PMCID: PMC6979287 DOI: 10.1186/s10020-020-0136-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2019] [Accepted: 01/09/2020] [Indexed: 02/07/2023] Open
Abstract
It was well-known that Berberine, a major bioactive compound extracted from natural plants Coptis chinensis, has anti-diabetic effects for decades in china. Other types of pharmacological activities, such as anti-inflammatory, antimicrobial, hypolipidemic, and anti-cancer effects, have also been examined. At cellular level, these pharmacological activities were mostly an inhibitory effect. However, the cytoprotective effect of berberine was also observed in various types of cells, such as neurons, endothelial cells, fibroblasts, and β-cells. The paradoxical result may be closely associated with characteristics and distribution of berberine within cells, and they can be explained mechanically by mitohormesis, one particular form of hormesis. Here, we reviewed the mitohormetic response and assessed the berberine-induced effects and the possible signaling pathway involved. These findings may contribute to better clinical applications of berberine and indicate that some mitochondria-targeted conventional drugs should be considered carefully in clinical application.
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Affiliation(s)
- Xiaofei Zhu
- Department of Clinical Immunology, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, China. .,Henan Collaborative Innovation Center of Molecular Diagnosis and Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, China. .,Henan Key Laboratory of Immunology and Targeted Drugs, Xinxiang Medical University, Xinxiang, 453003, China.
| | - Yihui Wei
- Department of Clinical Immunology, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, China
| | - Beibei Yang
- Department of Clinical Immunology, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, China
| | - Xiaoxiao Yin
- Department of Clinical Immunology, School of Laboratory Medicine, Xinxiang Medical University, Xinxiang, 453003, China
| | - Xiaofang Guo
- Department of Microbiology, School of Basic Medical Sciences, Xinxiang Medical University, Xinxiang, 453003, China
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