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Saxena S, Anand SK, Sharma A, Kakkar P. Involvement of Sirt1-FoxO3a-Bnip3 axis and autophagy mediated mitochondrial turnover in according protection to hyperglycemic NRK-52E cells by Berberine. Toxicol In Vitro 2024:105916. [PMID: 39127087 DOI: 10.1016/j.tiv.2024.105916] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2023] [Revised: 07/25/2024] [Accepted: 08/07/2024] [Indexed: 08/12/2024]
Abstract
Aberrant accumulation of dysfunctional mitochondria in renal cells during hyperglycemia signifies perturbed autophagy and mitochondrial turnover. This study aims to focus on the underlying mechanism involved in autophagy and mitophagy inducing efficacy of Berberine (isoquinoline alkaloid) in hyperglycemic NRK-52E cells. Berberine mediated protection to hyperglycemic cells prevented alteration in mitochondrial structure and function. Treatment with SRT-1720 (Sirt1 activator) enhanced autophagy, decreased apoptosis, upregulated expression of downstream moieties (FoxO3a and Bnip3) and ameliorated mitochondria related anomalies while nicotinamide (Sirt1 inhibitor) treatment exhibited reversal of the same. GFP reporter assay ascertained enhanced transcriptional activity of FoxO in Berberine treated hyperglycemic cells, which was found to be correlated to increased expression of downstream protein Bnip3. Knocking down FoxO3a disrupted autophagy and stimulated apoptosis. N-acetyl-L-cysteine pre-treatment confirmed that generation of ROS intervened high glucose induced toxicity in NRK-52E cells. Berberine co-treatment resulted in differential expressions of key proteins involved in autophagy and mitophagy like LC3B, ATGs, Beclin1, Sirt1, Bnip3, FoxO3a and Parkin. Further, enhanced mitophagy in Berberine treated cells was confirmed by transmission electron microscopy. Thus, our findings give evidence that the protection accorded by Berberine against hyperglycemia in renal proximal tubular cells (NRK-52E) involves instigation of Sirt1-FoxO3a-Bnip3 axis and autophagy mediated mitophagy induction.
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Affiliation(s)
- Sugandh Saxena
- Herbal Research Laboratory, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan 31, Mahatma Gandhi Marg, Lucknow 226001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, Uttar Pradesh, India
| | - Sumit Kumar Anand
- Herbal Research Laboratory, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan 31, Mahatma Gandhi Marg, Lucknow 226001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, Uttar Pradesh, India
| | - Ankita Sharma
- Herbal Research Laboratory, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan 31, Mahatma Gandhi Marg, Lucknow 226001, India; Department of Biochemistry, University of Lucknow, Lucknow 226001, India
| | - Poonam Kakkar
- Herbal Research Laboratory, CSIR-Indian Institute of Toxicology Research (CSIR-IITR), Vishvigyan Bhawan 31, Mahatma Gandhi Marg, Lucknow 226001, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201 002, Uttar Pradesh, India.
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Peng X, Ni H, Kuang B, Wang Z, Hou S, Gu S, Gong N. Sirtuin 3 in renal diseases and aging: From mechanisms to potential therapies. Pharmacol Res 2024; 206:107261. [PMID: 38917912 DOI: 10.1016/j.phrs.2024.107261] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2024] [Revised: 06/02/2024] [Accepted: 06/10/2024] [Indexed: 06/27/2024]
Abstract
The longevity protein sirtuins (SIRTs) belong to a family of nicotinamide adenine dinucleotide (NAD+)-dependent deacetylases. In mammals, SIRTs comprise seven members (SIRT1-7) which are localized to different subcellular compartments. As the most prominent mitochondrial deacetylases, SIRT3 is known to be regulated by various mechanisms and participate in virtually all aspects of mitochondrial homeostasis and metabolism, exerting significant impact on multiple organs. Notably, the kidneys possess an abundance of mitochondria that provide substantial energy for filtration and reabsorption. A growing body of evidence now supports the involvement of SIRT3 in several renal diseases, including acute kidney injury, chronic kidney disease, and diabetic nephropathy; notably, these diseases are all associated with aging. In this review, we summarize the emerging role of SIRT3 in renal diseases and aging, and highlights the intricate mechanisms by which SIRT3 exerts its effects. In addition, we highlight the potential therapeutic significance of modulating SIRT3 and provide valuable insights into the therapeutic role of SIRT3 in renal diseases to facilitate clinical application.
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Affiliation(s)
- Xuan Peng
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China
| | - Haiqiang Ni
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China
| | - Baicheng Kuang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China
| | - Zhiheng Wang
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China
| | - Shuaiheng Hou
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China
| | - Shiqi Gu
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China
| | - Nianqiao Gong
- Institute of Organ Transplantation, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology; Key Laboratory of Organ Transplantation, Ministry of Education; NHC Key Laboratory of Organ Transplantation; Key Laboratory of Organ Transplantation, Chinese Academy of Medical Sciences, Wuhan, China.
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Kong Y, Chen X, Liu F, Tang J, Zhang Y, Zhang X, Zhang L, Zhang T, Wang Y, Su M, Zhang Q, Chen H, Zhou D, Yi F, Liu H, Fu Y. Ultrasmall Polyphenol-NAD + Nanoparticle-Mediated Renal Delivery for Mitochondrial Repair and Anti-Inflammatory Treatment of AKI-to-CKD Progression. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2310731. [PMID: 38805174 DOI: 10.1002/adma.202310731] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2023] [Revised: 05/21/2024] [Indexed: 05/29/2024]
Abstract
As a central metabolic molecule, nicotinamide adenine dinucleotide (NAD+) can potentially treat acute kidney injury (AKI) and chronic kidney disease (CKD); however, its bioavailability is poor due to short half-life, instability, the deficiency of targeting, and difficulties in transmembrane transport. Here a physiologically adaptive gallic acid-NAD+ nanoparticle is designed, which has ultrasmall size and pH-responsiveness, passes through the glomerular filtration membrane to reach injured renal tubules, and efficiently delivers NAD+ into the kidneys. With an effective accumulation in the kidneys, it restores renal function, immune microenvironment homeostasis, and mitochondrial homeostasis of AKI mice via the NAD+-Sirtuin-1 axis, and exerts strong antifibrotic effects on the AKI-to-CKD transition by inhibiting TGF-β signaling. It also exhibits excellent stability, biodegradable, and biocompatible properties, ensuring its long-term safety, practicality, and clinical translational feasibility. The present study shows a potential modality of mitochondrial repair and immunomodulation through nanoagents for the efficient and safe treatment of AKI and CKD.
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Affiliation(s)
- Ying Kong
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University, NHC Key Laboratory of Biotechnology Drugs (Shandong Academy of Medical Sciences), Key Lab for Rare & Uncommon Diseases of Shandong Province, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, Shandong, China
| | - Xu Chen
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University, NHC Key Laboratory of Biotechnology Drugs (Shandong Academy of Medical Sciences), Key Lab for Rare & Uncommon Diseases of Shandong Province, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Feng Liu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, Shandong, China
| | - Jiageng Tang
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Yijing Zhang
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Xiangxiang Zhang
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Luyao Zhang
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Tong Zhang
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Yaqi Wang
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Mengxiao Su
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Qixin Zhang
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
| | - Hanxiang Chen
- Department of Clinical Laboratory, The First Affiliated Hospital of Shandong First Medical University & Shandong Provincial Qianfoshan Hospital, Jinan, 250014, Shandong, China
| | - Di Zhou
- Department of Pharmacy, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, 230001, Anhui, China
| | - Fan Yi
- Department of Pharmacology, School of Basic Medical Science, Shandong University, Jinan, 250012, Shandong, China
- National Key Laboratoy for innovation and Transfomation of Luobing Theoy, Key Laboratory of Cardiovascular Health, Qilu Hospital, Shandong University, Jinan, 250012, Shandong, China
| | - Hong Liu
- State Key Laboratory of Crystal Materials, Shandong University, Jinan, 250100, Shandong, China
- Institute for Advanced Interdisciplinary Research (iAIR), University of Jinan, Jinan, 250022, Shandong, China
| | - Yi Fu
- Department of Nephrology, The First Affiliated Hospital of Shandong First Medical University, NHC Key Laboratory of Biotechnology Drugs (Shandong Academy of Medical Sciences), Key Lab for Rare & Uncommon Diseases of Shandong Province, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
- Biomedical Sciences College & Shandong Medicinal Biotechnology Centre, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, 250117, Shandong, China
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You J, Li Y, Chong W. The role and therapeutic potential of SIRTs in sepsis. Front Immunol 2024; 15:1394925. [PMID: 38690282 PMCID: PMC11058839 DOI: 10.3389/fimmu.2024.1394925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Accepted: 04/03/2024] [Indexed: 05/02/2024] Open
Abstract
Sepsis is a life-threatening organ dysfunction caused by the host's dysfunctional response to infection. Abnormal activation of the immune system and disturbance of energy metabolism play a key role in the development of sepsis. In recent years, the Sirtuins (SIRTs) family has been found to play an important role in the pathogenesis of sepsis. SIRTs, as a class of histone deacetylases (HDACs), are widely involved in cellular inflammation regulation, energy metabolism and oxidative stress. The effects of SIRTs on immune cells are mainly reflected in the regulation of inflammatory pathways. This regulation helps balance the inflammatory response and may lessen cell damage and organ dysfunction in sepsis. In terms of energy metabolism, SIRTs can play a role in immunophenotypic transformation by regulating cell metabolism, improve mitochondrial function, increase energy production, and maintain cell energy balance. SIRTs also regulate the production of reactive oxygen species (ROS), protecting cells from oxidative stress damage by activating antioxidant defense pathways and maintaining a balance between oxidants and reducing agents. Current studies have shown that several potential drugs, such as Resveratrol and melatonin, can enhance the activity of SIRT. It can help to reduce inflammatory response, improve energy metabolism and reduce oxidative stress, showing potential clinical application prospects for the treatment of sepsis. This review focuses on the regulation of SIRT on inflammatory response, energy metabolism and oxidative stress of immune cells, as well as its important influence on multiple organ dysfunction in sepsis, and discusses and summarizes the effects of related drugs and compounds on reducing multiple organ damage in sepsis through the pathway involving SIRTs. SIRTs may become a new target for the treatment of sepsis and its resulting organ dysfunction, providing new ideas and possibilities for the treatment of this life-threatening disease.
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Affiliation(s)
- Jiaqi You
- Department of Emergency, The First Hospital of China Medical University, Shenyang, China
| | - Yilin Li
- Department of Thoracic Surgery, The First Hospital of China Medical University, Shenyang, China
| | - Wei Chong
- Department of Emergency, The First Hospital of China Medical University, Shenyang, China
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Swago S, Wilson NE, Elliott MA, Reddy Nanga RP, Reddy R, Witschey WR. Quantification of NAD + T 1 and T 2 relaxation times using downfield 1 H MRS at 7 T in human brain in vivo. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.02.27.582276. [PMID: 38464048 PMCID: PMC10925302 DOI: 10.1101/2024.02.27.582276] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Introduction The purpose of this study was to use a single-slice spectrally-selective sequence to measure T 1 and T 2 relaxation times of NAD + proton resonances in the downfield 1 H MRS spectrum in human brain at 7 T in vivo and assess the propagation of relaxation time uncertainty in NAD + quantification. Methods Downfield spectra from 7 healthy volunteers were acquired at multiple echo times in all subjects to measure T 2 relaxation, and saturation recovery data were to measure T 1 relaxation. The downfield acquisition used a spectrally-selective 90° sinc pulse for excitation centered at 9.1 ppm with a bandwidth of 2 ppm, followed by a 180° spatially-selective Shinnar-Le Roux refocusing pulse for localization. For the multiple echo experiment, spectra were collected with echo times ranging from 13 to 33 ms. For the saturation recovery experiment, saturation was performed prior to excitation using the same spectrally-selective sinc pulse as was used for excitation. Saturation delay times (TS) ranged from 100 to 600 ms. Uncertainty propagation analysis was performed analytically and with Monte Carlo simulation. Results The mean ± standard deviation of T 1 relaxation times of the H2, H6, and H4 protons were 152.7 ± 16.6, 163.6 ± 22.3, and 169.9 ± 11.2 ms, respectively. The mean ± standard deviation of T 2 relaxation times of the H2, H6, and H4 protons were 32.5 ± 7.0, 27.4 ± 5.2, and 38.1 ± 11.7 ms, respectively. The mean R 2 of the H2 and H6 T 1 fits were 0.98. The mean R 2 of the H4 proton T 1 fit was 0.96. The mean R 2 of the T 2 fits of the H2 and H4 proton resonances were 0.98, while the mean R 2 of the T 2 fits of the H4 proton was 0.93. The relative uncertainty in NAD + concentration due to relaxation time uncertainty was 8.5%-11%. Conclusion Using downfield spectrally-selective spectroscopy with single-slice localization, we found NAD + T 1 and T 2 relaxation times to be approximately 162 ms and 32 ms respectively in the human brain in vivo at 7 T.
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Liang J, Zhou C, Zhang C, Liang S, Zhou Z, Zhou Z, Wu C, Zhao H, Meng X, Zou F, Yu C, Cai S. Nicotinamide mononucleotide attenuates airway epithelial barrier dysfunction via inhibiting SIRT3 SUMOylation in asthma. Int Immunopharmacol 2024; 127:111328. [PMID: 38064810 DOI: 10.1016/j.intimp.2023.111328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 11/28/2023] [Accepted: 11/28/2023] [Indexed: 01/18/2024]
Abstract
Nicotinamide adenine dinucleotide (NAD+) is an essential element in cellular metabolism that regulates fundamental biological processes. Growing evidence suggests that a decline in NAD+ is a common pathological factor in various diseases and aging. However, its role in airway epithelial barrier function in response to asthma remains underexplored. The current study aims to explore the efficacy of restoring cellular NAD+ concentration through supplementation with the NAD+ precursor, nicotinamide mononucleotide (NMN), in the treatment of allergic asthma and to investigate the role of SIRT3 in mediating the effects of NAD+ precursors. In this research, NMN alleviated airway inflammation and reduced mucus secretion in house dust mite (HDM)-induced asthmatic mice. It also mitigated airway epithelial barrier disruption in HDM-induced asthma in vitro and in vivo. But inhibition of SIRT3 expression abolished the effects of NMN. Mechanistically, HDM induced SIRT3 SUMOylation and proteasomal degradation. Mutation of these two SIRT3 SUMO modification sites enhanced the stability of SIRT3. Additionally, SIRT3 was targeted by SENP1 which acted to de-conjugate SUMO. And down-regulation of SENP1 expression in HDM-induced models was reversed by NMN. Collectively, these findings suggest that NMN attenuates airway epithelial barrier dysfunction via inhibiting SIRT3 SUMOylation in asthma. Blockage of SIRT3 SUMOylation emerges as for the treatment of allergic asthma.
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Affiliation(s)
- Jiayuan Liang
- Department of Respiratory and Critical Care Medicine, Chronic Airways Diseases Laboratory, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Chi Zhou
- Department of Respiratory and Critical Care Medicine, Chronic Airways Diseases Laboratory, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Changyun Zhang
- Department of Respiratory and Critical Care Medicine, Chronic Airways Diseases Laboratory, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Shixiu Liang
- Department of Allergy and Clinical Immunology, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Zili Zhou
- Department of Respiratory and Critical Care Medicine, Chronic Airways Diseases Laboratory, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Zicong Zhou
- Department of Allergy and Clinical Immunology, State Key Laboratory of Respiratory Disease, Guangzhou Institute of Respiratory Health, the First Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China
| | - Cuiwen Wu
- Department of Respiratory and Critical Care Medicine, Chronic Airways Diseases Laboratory, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Haijin Zhao
- Department of Respiratory and Critical Care Medicine, Chronic Airways Diseases Laboratory, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China
| | - Xiaojing Meng
- Department of Occupational Health and Occupational Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Fei Zou
- Department of Occupational Health and Occupational Medicine, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, Guangdong, China
| | - Changhui Yu
- Department of Respiratory and Critical Care Medicine, Chronic Airways Diseases Laboratory, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
| | - Shaoxi Cai
- Department of Respiratory and Critical Care Medicine, Chronic Airways Diseases Laboratory, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong, China.
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Pei Z, Li Y, Yao W, Sun F, Pan X. NAD + Protects against Hyperlipidemia-induced Kidney Injury in Apolipoprotein E-deficient Mice. Curr Pharm Biotechnol 2024; 25:488-498. [PMID: 37592796 DOI: 10.2174/1389201024666230817161454] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Revised: 07/01/2023] [Accepted: 07/07/2023] [Indexed: 08/19/2023]
Abstract
Background: Hyperlipidemia is an independent risk factor for kidney injury. Several studies have shown that nicotinamide adenine dinucleotide (NAD+) is an important coenzyme involved in normal body metabolism. Therefore, this study aimed to investigate the possible protective effects of NAD+ against hyperlipidemia-induced kidney injury in apolipoprotein Edeficient (ApoE-/-) mice. Methods: Twenty-five eight-week-old male ApoE-/- mice were randomly assigned into four groups: normal diet (ND), ND supplemented with NAD+ (ND+NAD+), high-fat diet (HFD), and HFD supplemented with NAD+ (HFD+NAD+). The mice were subjected to their respective diets for a duration of 16 weeks. Blood samples were obtained from the inferior vena cava, collected in serum tubes, and stored at -80°C until use. Kidney tissues was fixed in 10% formalin and then embedded in paraffin for histological evaluation. The remainder of the kidney tissues was snapfrozen in liquid nitrogen for Western blot analysis. Results: Metabolic parameters (total cholesterol, triglycerides, low-density lipoprotein-cholesterol, creatinine, and blood urea nitrogen) were significantly higher in the HFD group compared to the other groups. Histological analysis revealed prominent pathological manifestations in the kidneys of the HFD group. The HFD+NAD+ group showed increased levels of oxidative stress markers (NRF2 and SOD2) and decreased levels of NOX4 compared to the HFD group. Furthermore, the HFD group exhibited higher levels of TGF-β, Smad3, Collagen I, Collagen III, Bax, and Bak compared to the other groups. NAD+ supplementation in the HFD+NAD+ group significantly increased the levels of SIRT3, HO-1, Bcl-2, and Bcl-xL compared to the HFD group. Additionally, NF-κB protein expression was higher in the HFD group than in the HFD+NAD+ group. Conclusion: These findings demonstrated that NAD+ may hold potential as a clinical treatment for kidney injury caused by hyperlipidemia. .
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Affiliation(s)
- Zuowei Pei
- Department of Cardiology, Central Hospital of Dalian University of Technology, Dalian, 116033, China
- Faculty of Medicine, Dalian University of Technology, Dalian, 116024, China
| | - Yu Li
- Department of Internal Medicine, The Affiliated Zhong Shan Hospital of Dalian University, Dalian, 116023, China
| | - Wei Yao
- Department of Internal Medicine, The Affiliated Zhong Shan Hospital of Dalian University, Dalian, 116023, China
| | - Feiyi Sun
- Health Medical Department, Central Hospital of Dalian University of Technology, Dalian, 116033, China
| | - Xiaofang Pan
- Health Medical Department, Central Hospital of Dalian University of Technology, Dalian, 116033, China
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Gao L, Huang X, Deng R, Wu S, Peng Y, Xiong G, Lu J, Liu X. Jian-Pi-Yi-Shen formula alleviates renal fibrosis by restoring NAD+ biosynthesis in vivo and in vitro. Aging (Albany NY) 2023; 16:106-128. [PMID: 38157259 PMCID: PMC10817388 DOI: 10.18632/aging.205352] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 11/15/2023] [Indexed: 01/03/2024]
Abstract
BACKGROUND Patients with chronic kidney disease (CKD) lack efficacious treatment. Jian-Pi-Yi-Shen formula (JPYSF) has demonstrated significant clinical efficacy in treating CKD for decades. However, its renoprotective mechanism has not been fully elucidated. This study aimed to determine whether JPYSF could delay renal fibrosis progression in CKD by restoring nicotinamide adenine dinucleotide (NAD+) biosynthesis. METHODS Adenine-diet feeding was used to model CKD in C57BL/6 mice. JPYSF was orally administered for 4 weeks. Human proximal tubular epithelial cells (HK-2) cells were stimulated with transforming growth factor-β1 (TGF-β1) with or without JPYSF treatment. Renal function of mice was assessed by serum creatinine and blood urea nitrogen levels. Renal histopathological changes were assessed using Periodic acid-Schiff and Masson's trichrome staining. Cell viability was assessed using a cell counting kit-8 assay. NAD+ concentrations were detected by a NAD+/NADH assay kit. Western blotting, immunohistochemistry, and immunofluorescence were employed to examine fibrosis-related proteins and key NAD+ biosynthesis enzymes expression in the CKD kidney and TGF-β1-induced HK-2 cells. RESULTS JPYSF treatment could not only improve renal function and pathological injury but also inhibit renal fibrosis in CKD mice. Additionally, JPYSF reversed fibrotic response in TGF-β1-induced HK-2 cells. Moreover, JPYSF rescued the decreased NAD+ content in CKD mice and TGF-β1-induced HK-2 cells through restoring expression of key enzymes in NAD+ biosynthesis, including quinolinate phosphoribosyltransferase, nicotinamide mononucleotide adenylyltransferase 1, and nicotinamide riboside kinase 1. CONCLUSIONS JPYSF alleviated renal fibrosis in CKD mice and reversed fibrotic response in TGF-β1-induced HK-2 cells, which may be related to the restoration of NAD+ biosynthesis.
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Affiliation(s)
- Liwen Gao
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong 518033, China
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong 518033, China
| | - Xi Huang
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong 518033, China
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong 518033, China
| | - Ruyu Deng
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong 518033, China
- Shenzhen Traditional Chinese Medicine Hospital Affiliated to Nanjing University of Chinese Medicine, Shenzhen, Guangdong 518033, China
| | - Shanshan Wu
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong 518033, China
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong 518033, China
| | - Yu Peng
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong 518033, China
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong 518033, China
| | - Guoliang Xiong
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong 518033, China
| | - Jiandong Lu
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong 518033, China
| | - Xinhui Liu
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong 518033, China
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Liu X, Gao L, Huang X, Deng R, Wu S, Peng Y, Lu J. Huangqi-Danshen decoction protects against cisplatin-induced acute kidney injury in mice. Front Pharmacol 2023; 14:1236820. [PMID: 38034992 PMCID: PMC10687478 DOI: 10.3389/fphar.2023.1236820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Accepted: 10/24/2023] [Indexed: 12/02/2023] Open
Abstract
Background: Acute kidney injury (AKI) induced by cisplatin remains a major impediment to the clinical application of cisplatin, necessitating urgent exploration for promising solutions. Huangqi-Danshen decoction (HDD), a Chinese herbal preparation, has been shown by our group to have a reno-protective effect in adenine-induced chronic kidney disease mice and diabetic db/db mice. However, the effect of HDD on cisplatin-induced AKI and its underlying mechanisms are unknown. Methods: The AKI model was established by intraperitoneal injection of cisplatin (20 mg/kg) in C57BL/6 mice. The mice in the treatment group were administrated with HDD (6.8 g/kg/d) for 5 consecutive days before cisplatin challenge. After 72 h cisplatin injection, blood and kidney tissue were subsequently collected for biochemical detection, histopathological evaluation, Western blot analysis, immunohistochemical staining, and terminal deoxynucleotidyl transferase (TdT)-mediated dUTP nick end labeling assay. Ultra-high-performance liquid chromatography coupled with quadrupole time-of-flight mass spectrometry was used to detect changes in renal metabolites. Results: The results showed that HDD significantly reduced serum creatinine and blood urea nitrogen levels and alleviated renal histopathological injury in cisplatin-induced AKI mice. And HDD treatment demonstrated a significant inhibition in apoptosis, inflammation, and oxidative stress in AKI mice. Moreover, non-target metabolomics revealed that HDD significantly restored 165 altered metabolites in AKI mice. Subsequent enrichment analysis and pathway analysis of these metabolites indicated that nicotinate and nicotinamide metabolism was the primary pathway affected by HDD intervention. Further investigation showed that HDD could upregulate nicotinamide adenine dinucleotide (NAD+) biosynthesis-related enzymes quinolinate phosphoribosyltransferase, nicotinamide mononucleotide adenylyltransferase 1, and nicotinamide phosphoribosyltransferase to replenish NAD+ content in the kidney of AKI mice. Conclusion: In summary, HDD exerted a protective effect against cisplatin-induced AKI and suppressed apoptosis, inflammation, and oxidative stress in the kidney of AKI mice, which may be attributed to the modulation of NAD+ biosynthesis.
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Affiliation(s)
- Xinhui Liu
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Liwen Gao
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Xi Huang
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Ruyu Deng
- Shenzhen Traditional Chinese Medicine Hospital Affiliated to Nanjing University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Shanshan Wu
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Yu Peng
- The Fourth Clinical Medical College, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
| | - Jiandong Lu
- Department of Nephrology, Shenzhen Traditional Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, China
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10
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Li XY, Yu JT, Dong YH, Shen XY, Hou R, Xie MM, Wei J, Hu XW, Dong ZH, Shan RR, Jin J, Shao W, Meng XM. Protein acetylation and related potential therapeutic strategies in kidney disease. Pharmacol Res 2023; 197:106950. [PMID: 37820854 DOI: 10.1016/j.phrs.2023.106950] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 09/16/2023] [Accepted: 10/03/2023] [Indexed: 10/13/2023]
Abstract
Kidney disease can be caused by various internal and external factors that have led to a continual increase in global deaths. Current treatment methods can alleviate but do not markedly prevent disease development. Further research on kidney disease has revealed the crucial function of epigenetics, especially acetylation, in the pathology and physiology of the kidney. Histone acetyltransferases (HATs), histone deacetylases (HDACs), and acetyllysine readers jointly regulate acetylation, thus affecting kidney physiological homoeostasis. Recent studies have shown that acetylation improves mechanisms and pathways involved in various types of nephropathy. The discovery and application of novel inhibitors and activators have further confirmed the important role of acetylation. In this review, we provide insights into the physiological process of acetylation and summarise its specific mechanisms and potential therapeutic effects on renal pathology.
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Affiliation(s)
- Xiang-Yu Li
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, the Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Ju-Tao Yu
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, the Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Yu-Hang Dong
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, the Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Xiao-Yu Shen
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, the Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Rui Hou
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, the Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Man-Man Xie
- School of Life Sciences, Anhui Medical University, Hefei 230032, China
| | - Jie Wei
- Department of Nephrology, The Second Affiliated Hospital of Anhui Medical University, 678 Furong Road, Hefei 230601, Anhui, China
| | - Xiao-Wei Hu
- Department of Clinical Pharmacy, Anhui Provincial Children's Hospital, Hefei 230051, China
| | - Ze-Hui Dong
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, the Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China
| | - Run-Run Shan
- School of Life Sciences, Anhui Medical University, Hefei 230032, China
| | - Juan Jin
- Research Center for Translational Medicine, the Second Affiliated Hospital of Anhui Medical University, Hefei 230601, China
| | - Wei Shao
- School of Basic Medicine, Anhui Medical University, Hefei 230032, China.
| | - Xiao-Ming Meng
- Inflammation and Immune Mediated Diseases Laboratory of Anhui Province, the Key Laboratory of Anti-inflammatory of Immune Medicines, Ministry of Education, Anhui Institute of Innovative Drugs, School of Pharmacy, Anhui Medical University, Hefei 230032, China.
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11
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Ju J, Li XM, Zhao XM, Li FH, Wang SC, Wang K, Li RF, Zhou LY, Liang L, Wang Y, Zhang YH, Wang K. Circular RNA FEACR inhibits ferroptosis and alleviates myocardial ischemia/reperfusion injury by interacting with NAMPT. J Biomed Sci 2023; 30:45. [PMID: 37370086 DOI: 10.1186/s12929-023-00927-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 05/10/2023] [Indexed: 06/29/2023] Open
Abstract
BACKGROUND Emerging research has reported that circular RNAs (circRNAs) play important roles in cardiac cell death after myocardial ischemia and reperfusion (I/R). Ferroptosis, a new form of cell death discovered in recent years, has been proven to participate in the regulation of myocardial I/R. This study used circRNA sequencing to explore the key circRNA in the regulation of cardiac ferroptosis after I/R and study the mechanisms of potential circRNA function. METHODS We performed circRNA sequencing to explore circRNAs differentially expressed after myocardial I/R. We used quantitative polymerase chain reactions to determine the circRNA expression in different tissues and detect the circRNA subcellular localization in the cardiomyocyte. Gain- and loss-of-function experiments were aimed to examine the function of circRNAs in cardiomyocyte ferroptosis and cardiac tissue damage after myocardial I/R. RNA pull-down was applied to explore proteins interacting with circRNA. RESULTS Here, we identified a ferroptosis-associated circRNA (FEACR) that has an underlying regulatory role in cardiomyocyte ferroptosis. FEACR overexpression suppressed I/R-induced myocardial infarction and ameliorated cardiac function. FEACR inhibition induces ferroptosis in cardiomyocytes and FEACR overexpression inhibits hypoxia and reoxygenation-induced ferroptosis. Mechanistically, FEACR directly bound to nicotinamide phosphoribosyltransferase (NAMPT) and enhanced the protein stability of NAMPT, which increased NAMPT-dependent Sirtuin1 (Sirt1) expression, which promoted the transcriptional activity of forkhead box protein O1 (FOXO1) by reducing FOXO1 acetylation levels. FOXO1 further upregulated the transcription of ferritin heavy chain 1 (Fth1), a ferroptosis suppressor, which resulted in the inhibition of cardiomyocyte ferroptosis. CONCLUSIONS Our finding reveals that the circRNA FEACR-mediated NAMPT-Sirt1-FOXO1-FTH1 signaling axis participates in the regulation of cardiomyocyte ferroptosis and protects the heart function against I/R injury. Thus, FEACR and its downstream factors could be novel targets for alleviating ferroptosis-related myocardial injury in ischemic heart diseases.
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Affiliation(s)
- Jie Ju
- Key Laboratory of Birth Regulation and Control Technology of National Health Commission of China, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan, 250014, China
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Xin-Min Li
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Xue-Mei Zhao
- State Key Laboratory of Cardiovascular Disease, Heart Failure Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100037, China
| | - Fu-Hai Li
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao, 266021, China
| | - Shao-Cong Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Kai Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Rui-Feng Li
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Lu-Yu Zhou
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China
| | - Lin Liang
- State Key Laboratory of Cardiovascular Disease, Heart Failure Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100037, China
| | - Yin Wang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China.
| | - Yu-Hui Zhang
- State Key Laboratory of Cardiovascular Disease, Heart Failure Center, Fuwai Hospital, National Center for Cardiovascular Diseases, Chinese Academy of Medical Sciences, Peking Union Medical College, Beijing, 100037, China.
| | - Kun Wang
- Key Laboratory of Birth Regulation and Control Technology of National Health Commission of China, Shandong Provincial Maternal and Child Health Care Hospital Affiliated to Qingdao University, Jinan, 250014, China.
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, 266021, China.
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12
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Liu Y, Gong JS, Marshall G, Su C, Shi JS, Xu ZH. Technology and functional insights into the nicotinamide mononucleotide for human health. Appl Microbiol Biotechnol 2023:10.1007/s00253-023-12612-2. [PMID: 37347262 DOI: 10.1007/s00253-023-12612-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2023] [Revised: 05/26/2023] [Accepted: 05/31/2023] [Indexed: 06/23/2023]
Abstract
Nicotinamide mononucleotide (NMN), a naturally occurring biologically active nucleotide, mainly functions via mediating the biosynthesis of NAD+. In recent years, its excellent pharmacological activities including anti-aging, treating neurodegenerative diseases, and protecting the heart have attracted increasing attention from scholars and entrepreneurs for production of a wide range of formulations, including functional food ingredients, health care products, active pharmaceuticals, and pharmaceutical intermediates. Presently, the synthesis methods of NMN mainly include two categories: chemical synthesis and biosynthesis. With the development of biocatalyst engineering and synthetic biology strategies, bio-preparation has proven to be efficient, economical, and sustainable methods. This review summarizes the chemical synthesis and biosynthetic pathways of NMN and provides an in-depth investigation on the mining and modification of enzyme resources during NMN biosynthesis, as well as the screening of hosts and optimization of chassis cells via metabolic engineering, which provide effective strategies for efficient production of NMN. In addition, an overview of the significant physiological functions and activities of NMN is elaborated. Finally, future research on technical approaches to further enhance NMN synthesis and strengthen clinical studies of NMN are prospected, which would lay the foundation for further promoting the application of NMN in nutrition, healthy food, and medicine in the future. KEY POINTS: • NMN supplementation effectively increases the level of NAD+. • The chemical and biological synthesis of NMN are comprehensively reviewed. • The impact of NMN on the treatment of various diseases is summarized.
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Affiliation(s)
- Ye Liu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, 214122, People's Republic of China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, School of Biotechnology, Jiangnan University, Wuxi, 214122, People's Republic of China
- Yixing Institute of Food and Biotechnology Co., Ltd., Yixing, 214200, People's Republic of China
| | - Jin-Song Gong
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, 214122, People's Republic of China.
| | - George Marshall
- Seragon Biosciences, Inc., 400 Spectrum Center Drive, 16th Floor, Irvine, CA, 92618, USA
| | - Chang Su
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, 214122, People's Republic of China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, School of Biotechnology, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Jin-Song Shi
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, 214122, People's Republic of China
| | - Zheng-Hong Xu
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, School of Biotechnology, Jiangnan University, Wuxi, 214122, People's Republic of China
- Yixing Institute of Food and Biotechnology Co., Ltd., Yixing, 214200, People's Republic of China
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13
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Stojanovic D, Stojanovic M, Milenkovic J, Velickov A, Ignjatovic A, Milojkovic M. The Multi-Faceted Nature of Renalase for Mitochondrial Dysfunction Improvement in Cardiac Disease. Cells 2023; 12:1607. [PMID: 37371077 DOI: 10.3390/cells12121607] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2023] [Revised: 05/24/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
The cellular mechanisms and signaling network that guide the cardiac disease pathophysiology are inextricably intertwined, which explains the current scarcity of effective therapy and to date remains the greatest challenge in state-of-the-art cardiovascular medicine. Accordingly, a novel concept has emerged in which cardiomyocytes are the centerpiece of therapeutic targeting, with dysregulated mitochondria as a critical point of intervention. Mitochondrial dysfunction pluralism seeks a multi-faceted molecule, such as renalase, to simultaneously combat the pathophysiologic heterogeneity of mitochondria-induced cardiomyocyte injury. This review provides some original perspectives and, for the first time, discusses the functionality spectrum of renalase for mitochondrial dysfunction improvement within cardiac disease, including its ability to preserve mitochondrial integrity and dynamics by suppressing mitochondrial ΔΨm collapse; overall ATP content amelioration; a rise of mtDNA copy numbers; upregulation of mitochondrial genes involved in oxidative phosphorylation and cellular vitality promotion; mitochondrial fission inhibition; NAD+ supplementation; sirtuin upregulation; and anti-oxidant, anti-apoptotic, and anti-inflammatory traits. If verified that renalase, due to its multi-faceted nature, behaves like the "guardian of mitochondria" by thwarting pernicious mitochondrial dysfunction effects and exerting therapeutic potential to target mitochondrial abnormalities in failing hearts, it may provide large-scale benefits for cardiac disease patients, regardless of the underlying causes.
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Affiliation(s)
- Dijana Stojanovic
- Department of Pathophysiology, Faculty of Medicine, University of Nis, 18000 Nis, Serbia
| | - Miodrag Stojanovic
- Department of Medical Statistics and Informatics, Faculty of Medicine, University of Nis, 18000 Nis, Serbia
- Center of Informatics and Biostatistics in Healthcare, Institute for Public Health, 18000 Nis, Serbia
| | - Jelena Milenkovic
- Department of Pathophysiology, Faculty of Medicine, University of Nis, 18000 Nis, Serbia
| | - Aleksandra Velickov
- Department of Histology and Embryology, Faculty of Medicine, University of Nis, 18000 Nis, Serbia
| | - Aleksandra Ignjatovic
- Department of Medical Statistics and Informatics, Faculty of Medicine, University of Nis, 18000 Nis, Serbia
- Center of Informatics and Biostatistics in Healthcare, Institute for Public Health, 18000 Nis, Serbia
| | - Maja Milojkovic
- Department of Pathophysiology, Faculty of Medicine, University of Nis, 18000 Nis, Serbia
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14
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Srivastava A, Tomar B, Sharma D, Rath SK. Mitochondrial dysfunction and oxidative stress: Role in chronic kidney disease. Life Sci 2023; 319:121432. [PMID: 36706833 DOI: 10.1016/j.lfs.2023.121432] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Revised: 01/18/2023] [Accepted: 01/18/2023] [Indexed: 01/26/2023]
Abstract
Chronic kidney disease (CKD) is associated with a variety of distinct disease processes that permanently change the function and structure of the kidney across months or years. CKD is characterized as a glomerular filtration defect or proteinuria that lasts longer than three months. In most instances, CKD leads to end-stage kidney disease (ESKD), necessitating kidney transplantation. Mitochondrial dysfunction is a typical response to damage in CKD patients. Despite the abundance of mitochondria in the kidneys, variations in mitochondrial morphological and functional characteristics have been associated with kidney inflammatory responses and injury during CKD. Despite these variations, CKD is frequently used to define some classic signs of mitochondrial dysfunction, including altered mitochondrial shape and remodeling, increased mitochondrial oxidative stress, and a marked decline in mitochondrial biogenesis and ATP generation. With a focus on the most significant developments and novel understandings of the involvement of mitochondrial remodeling in the course of CKD, this article offers a summary of the most recent advances in the sources of procured mitochondrial dysfunction in the advancement of CKD. Understanding mitochondrial biology and function is crucial for developing viable treatment options for CKD.
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Affiliation(s)
- Anjali Srivastava
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Bhawna Tomar
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Divyansh Sharma
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow 226031, India
| | - Srikanta Kumar Rath
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow 226031, India; Academy of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India.
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15
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Bernardo-Bermejo S, Sánchez-López E, Castro-Puyana M, Fernández-Martínez AB, Lucio-Cazaña FJ, Marina ML. Exploring the Metabolic Differences between Cisplatin- and UV Light-Induced Apoptotic Bodies in HK-2 Cells by an Untargeted Metabolomics Approach. Int J Mol Sci 2023; 24:ijms24087237. [PMID: 37108400 PMCID: PMC10138416 DOI: 10.3390/ijms24087237] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2023] [Revised: 03/28/2023] [Accepted: 04/09/2023] [Indexed: 04/29/2023] Open
Abstract
Among the extracellular vesicles, apoptotic bodies (ABs) are only formed during the apoptosis and perform a relevant role in the pathogenesis of different diseases. Recently, it has been demonstrated that ABs from human renal proximal tubular HK-2 cells, either induced by cisplatin or by UV light, can lead to further apoptotic death in naïve HK-2 cells. Thus, the aim of this work was to carry out a non-targeted metabolomic approach to study if the apoptotic stimulus (cisplatin or UV light) affects in a different way the metabolites involved in the propagation of apoptosis. Both ABs and their extracellular fluid were analyzed using a reverse-phase liquid chromatography-mass spectrometry setup. Principal components analysis showed a tight clustering of each experimental group and partial least square discriminant analysis was used to assess the metabolic differences existing between these groups. Considering the variable importance in the projection values, molecular features were selected and some of them could be identified either unequivocally or tentatively. The resulting pathways indicated that there are significant, stimulus-specific differences in metabolites abundancies that may propagate apoptosis to healthy proximal tubular cells; thus, we hypothesize that the share in apoptosis of these metabolites might vary depending on the apoptotic stimulus.
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Affiliation(s)
- Samuel Bernardo-Bermejo
- Universidad de Alcalá, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km.33.600, 28871 Alcalá de Henares (Madrid), Spain
| | - Elena Sánchez-López
- Center for Proteomics and Metabolomics, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands
| | - María Castro-Puyana
- Universidad de Alcalá, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km.33.600, 28871 Alcalá de Henares (Madrid), Spain
- Universidad de Alcalá, Instituto de Investigación Química Andrés M. del Río, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain
| | - Ana B Fernández-Martínez
- Universidad Autónoma de Madrid, Departamento de Biología, Facultad de Ciencias, Campus de Cantoblanco, Calle Darwin, 2, 28049 Madrid, Spain
| | - Francisco Javier Lucio-Cazaña
- Universidad de Alcalá, Departamento de Biología de Sistemas, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain
| | - María Luisa Marina
- Universidad de Alcalá, Departamento de Química Analítica, Química Física e Ingeniería Química, Ctra. Madrid-Barcelona Km.33.600, 28871 Alcalá de Henares (Madrid), Spain
- Universidad de Alcalá, Instituto de Investigación Química Andrés M. del Río, Ctra. Madrid-Barcelona Km. 33.600, 28871 Alcalá de Henares (Madrid), Spain
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16
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Reza Sepand M, Bigdelou B, Salek Maghsoudi A, Sanadgol N, Ho JQ, Chauhan P, Raoufi M, Kermanian A, Esfandyarpour R, Javad Hajipour M, Zanganeh S. Ferroptosis: Environmental causes, biological redox signaling responses, cancer and other health consequences. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2023.215024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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17
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Mohandes S, Doke T, Hu H, Mukhi D, Dhillon P, Susztak K. Molecular pathways that drive diabetic kidney disease. J Clin Invest 2023; 133:165654. [PMID: 36787250 PMCID: PMC9927939 DOI: 10.1172/jci165654] [Citation(s) in RCA: 91] [Impact Index Per Article: 91.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/15/2023] Open
Abstract
Kidney disease is a major driver of mortality among patients with diabetes and diabetic kidney disease (DKD) is responsible for close to half of all chronic kidney disease cases. DKD usually develops in a genetically susceptible individual as a result of poor metabolic (glycemic) control. Molecular and genetic studies indicate the key role of podocytes and endothelial cells in driving albuminuria and early kidney disease in diabetes. Proximal tubule changes show a strong association with the glomerular filtration rate. Hyperglycemia represents a key cellular stress in the kidney by altering cellular metabolism in endothelial cells and podocytes and by imposing an excess workload requiring energy and oxygen for proximal tubule cells. Changes in metabolism induce early adaptive cellular hypertrophy and reorganization of the actin cytoskeleton. Later, mitochondrial defects contribute to increased oxidative stress and activation of inflammatory pathways, causing progressive kidney function decline and fibrosis. Blockade of the renin-angiotensin system or the sodium-glucose cotransporter is associated with cellular protection and slowing kidney function decline. Newly identified molecular pathways could provide the basis for the development of much-needed novel therapeutics.
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Affiliation(s)
- Samer Mohandes
- Renal, Electrolyte, and Hypertension Division, Department of Medicine;,Institute for Diabetes, Obesity, and Metabolism;,Department of Genetics; and,Kidney Innovation Center; Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Tomohito Doke
- Renal, Electrolyte, and Hypertension Division, Department of Medicine;,Institute for Diabetes, Obesity, and Metabolism;,Department of Genetics; and,Kidney Innovation Center; Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Hailong Hu
- Renal, Electrolyte, and Hypertension Division, Department of Medicine;,Institute for Diabetes, Obesity, and Metabolism;,Department of Genetics; and,Kidney Innovation Center; Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Dhanunjay Mukhi
- Renal, Electrolyte, and Hypertension Division, Department of Medicine;,Institute for Diabetes, Obesity, and Metabolism;,Department of Genetics; and,Kidney Innovation Center; Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Poonam Dhillon
- Renal, Electrolyte, and Hypertension Division, Department of Medicine;,Institute for Diabetes, Obesity, and Metabolism;,Department of Genetics; and,Kidney Innovation Center; Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Katalin Susztak
- Renal, Electrolyte, and Hypertension Division, Department of Medicine;,Institute for Diabetes, Obesity, and Metabolism;,Department of Genetics; and,Kidney Innovation Center; Perelman School of Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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18
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Nollet EE, Duursma I, Rozenbaum A, Eggelbusch M, Wüst RCI, Schoonvelde SAC, Michels M, Jansen M, van der Wel NN, Bedi KC, Margulies KB, Nirschl J, Kuster DWD, van der Velden J. Mitochondrial dysfunction in human hypertrophic cardiomyopathy is linked to cardiomyocyte architecture disruption and corrected by improving NADH-driven mitochondrial respiration. Eur Heart J 2023; 44:1170-1185. [PMID: 36734059 PMCID: PMC10067466 DOI: 10.1093/eurheartj/ehad028] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 12/19/2022] [Accepted: 01/12/2023] [Indexed: 02/04/2023] Open
Abstract
AIMS Genetic hypertrophic cardiomyopathy (HCM) is caused by mutations in sarcomere protein-encoding genes (i.e. genotype-positive HCM). In an increasing number of patients, HCM occurs in the absence of a mutation (i.e. genotype-negative HCM). Mitochondrial dysfunction is thought to be a key driver of pathological remodelling in HCM. Reports of mitochondrial respiratory function and specific disease-modifying treatment options in patients with HCM are scarce. METHODS AND RESULTS Respirometry was performed on septal myectomy tissue from patients with HCM (n = 59) to evaluate oxidative phosphorylation and fatty acid oxidation. Mitochondrial dysfunction was most notably reflected by impaired NADH-linked respiration. In genotype-negative patients, but not genotype-positive patients, NADH-linked respiration was markedly depressed in patients with an indexed septal thickness ≥10 compared with <10. Mitochondrial dysfunction was not explained by reduced abundance or fragmentation of mitochondria, as evaluated by transmission electron microscopy. Rather, improper organization of mitochondria relative to myofibrils (expressed as a percentage of disorganized mitochondria) was strongly associated with mitochondrial dysfunction. Pre-incubation with the cardiolipin-stabilizing drug elamipretide and raising mitochondrial NAD+ levels both boosted NADH-linked respiration. CONCLUSION Mitochondrial dysfunction is explained by cardiomyocyte architecture disruption and is linked to septal hypertrophy in genotype-negative HCM. Despite severe myocardial remodelling mitochondria were responsive to treatments aimed at restoring respiratory function, eliciting the mitochondria as a drug target to prevent and ameliorate cardiac disease in HCM. Mitochondria-targeting therapy may particularly benefit genotype-negative patients with HCM, given the tight link between mitochondrial impairment and septal thickening in this subpopulation.
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Affiliation(s)
- Edgar E Nollet
- Department of Physiology, Amsterdam UMC, Location VUmc, O2 Science building—11W53, De Boelelaan 1108, 1081HZ Amsterdam, The Netherlands
- Amsterdam Cardiovascular Sciences, Heart failure & Arrhythmias, Amsterdam UMC, Location VUmc, O2 Science building, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Inez Duursma
- Department of Physiology, Amsterdam UMC, Location VUmc, O2 Science building—11W53, De Boelelaan 1108, 1081HZ Amsterdam, The Netherlands
- Amsterdam Cardiovascular Sciences, Heart failure & Arrhythmias, Amsterdam UMC, Location VUmc, O2 Science building, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Anastasiya Rozenbaum
- Department of Physiology, Amsterdam UMC, Location VUmc, O2 Science building—11W53, De Boelelaan 1108, 1081HZ Amsterdam, The Netherlands
- Amsterdam Cardiovascular Sciences, Heart failure & Arrhythmias, Amsterdam UMC, Location VUmc, O2 Science building, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
| | - Moritz Eggelbusch
- Laboratory for Myology, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
- Department of Nutrition and Dietetics, Amsterdam UMC, Amsterdam, The Netherlands
- Faculty of Sports and Nutrition, Center of Expertise Urban Vitality, Amsterdam University of Applied Sciences, Amsterdam, The Netherlands
| | - Rob C I Wüst
- Laboratory for Myology, Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
| | | | - Michelle Michels
- Department of Cardiology, Erasmus MC, Rotterdam, The Netherlands
| | - Mark Jansen
- Division of Genetics, UMC Utrecht, Utrecht, The Netherlands
| | - Nicole N van der Wel
- Department of Medical Biology, Electron Microscopy Centre, Amsterdam UMC, Amsterdam, The Netherlands
| | - Kenneth C Bedi
- Cardiovascular Institute, Perelman School of Medicine, Philadelphia, PA, USA
| | - Kenneth B Margulies
- Cardiovascular Institute, Perelman School of Medicine, Philadelphia, PA, USA
| | - Jeff Nirschl
- Department of Pathology, Stanford University, Stanford, USA
| | - Diederik W D Kuster
- Department of Physiology, Amsterdam UMC, Location VUmc, O2 Science building—11W53, De Boelelaan 1108, 1081HZ Amsterdam, The Netherlands
- Amsterdam Cardiovascular Sciences, Heart failure & Arrhythmias, Amsterdam UMC, Location VUmc, O2 Science building, De Boelelaan 1108, 1081 HZ Amsterdam, The Netherlands
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Wang Y, Sui Y, Niu Y, Liu D, Xu Q, Liu F, Zuo K, Liu M, Sun W, Wang Z, Liu Z, Zou F, Shi J, Liu X, Liu J. PBX1-SIRT1 Positive Feedback Loop Attenuates ROS-Mediated HF-MSC Senescence and Apoptosis. Stem Cell Rev Rep 2023; 19:443-454. [PMID: 35962175 PMCID: PMC9902417 DOI: 10.1007/s12015-022-10425-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/02/2022] [Indexed: 02/07/2023]
Abstract
Stem cell senescence and depletion are major causes of aging and aging-related diseases. The NAD (Nicotinamide adenine dinucleotide) - SIRT1 (Silent Information Regulator 1) - PARP1 (Poly (ADP-ribose) polymerase-1) axis has gained interest owing to its significant role in regulating stem cell senescence and organismal aging. A recent study from our lab showed that pre-B-cell leukemia transcription factor1 (PBX1) overexpression attenuates hair follicle-derived mesenchymal stem cells (HF-MSCs) senescence and apoptosis by regulating ROS-mediated DNA damage via PARP1 downregulation; thus, suggesting that PARP1 downregulation is a common manifestation of the roles of both PBX1 and SIRT1 in HF-MSCs senescence attenuation, and implying a potential link between PBX1 and SIRT1. To this end, HF-MSCs overexpressing PBX1, overexpressing both PBX1 and PARP1, downregulating SIRT1, and overexpressing PBX1 as well as downregulating SIRT1 were generated, and senescence, apoptosis, DNA damage, and repair biomarkers were analyzed. Our results showed that (1) PBX1 overexpression alleviated HF-MSCs senescence and apoptosis accompanied by SIRT1 upregulation, PARP1 downregulation, and increased intracellular NAD and ATP levels. (2) SIRT1 knockdown enhanced cellular senescence and apoptosis, accompanied by increased ROS accumulation, DNA damage aggravation, and decreased intracellular NAD and ATP levels. (3) PBX1 overexpression rescued HF-MSCs senescence and apoptosis induced by SIRT1 knockdown. (4) PBX1 rescued PARP1 overexpression-mediated ATP and NAD depletion, accompanied by increased SIRT1 expression. Collectively, our results revealed that a positive interaction feedback loop exists between PBX1 and SIRT1. To the best of our knowledge we are the first to report that there is a PBX1-SIRT1-PARP1 axis that plays a critical role in alleviating HF-MSCs senescence and apoptosis. We provide a new perspective on the mechanisms underlying stem cell senescence as well as age-related disease prevention and treatment.
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Affiliation(s)
- Yuan Wang
- Department of Toxicology, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, Jilin, China
| | - Yutong Sui
- Department of Toxicology, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, Jilin, China
| | - Ye Niu
- Department of Toxicology, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, Jilin, China
| | - Dan Liu
- Department of Toxicology, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, Jilin, China
| | - Qi Xu
- Department of Toxicology, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, Jilin, China
| | - Feilin Liu
- Eye Center, The Second Hospital of Jilin University, Changchun, 130021, Jilin, China.,Department of Neuroscience, Mayo Clinic, Jacksonville, FL, 32224, USA
| | - Kuiyang Zuo
- Department of Toxicology, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, Jilin, China
| | - Mingsheng Liu
- Department of Toxicology, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, Jilin, China
| | - Wei Sun
- Department of Toxicology, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, Jilin, China
| | - Ziyu Wang
- Department of Toxicology, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, Jilin, China
| | - Zinan Liu
- Department of Toxicology, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, Jilin, China
| | - Fei Zou
- Department of Toxicology, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, Jilin, China
| | - Jiahong Shi
- Department of Ultrasound, The China-Japan Union Hospital of Jilin University, Changchun, 130021, Jilin, China.
| | - Xiaomei Liu
- Department of Toxicology, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, Jilin, China.
| | - Jinyu Liu
- Department of Toxicology, School of Public Health, Jilin University, 1163 Xinmin Avenue, Changchun, 130021, Jilin, China.
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20
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Liu Y, Gong JS, Marshall G, Su C, Hall M, Li H, Xu GQ, Shi JS, Xu ZH. Protein engineering of NADH pyrophosphatase for efficient biocatalytic production of reduced nicotinamide mononucleotide. Front Bioeng Biotechnol 2023; 11:1159965. [PMID: 37082214 PMCID: PMC10110983 DOI: 10.3389/fbioe.2023.1159965] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 03/24/2023] [Indexed: 04/22/2023] Open
Abstract
Introduction: NADH pyrophosphatase, a hydrolase catalyzing the phosphate bond of NADH to reduced nicotinamide mononucleotide, has potential applications in the food, cosmetic and pharmaceutical industry. Methods: Here, we investigated the effects of vector screening, promoter and RBS strategies on NADH pyrophosphatase expression and protein engineering on its enzymatic activity and thermal stability. Results: In this study, we describe a NADH pyrophosphatase derived from Escherichia coli (EcNudc). Strategies focusing on expression regulation including screening vectors, optimizing promoters and ribosome binding sites were utilized to enhance the productivity of EcNudc (1.8 U/mL). Moreover, protein engineering was adopted to further improve the catalytic properties of EcNudc, achieving 3.3-fold higher activity and 3.6-fold greater thermostability at 50°C. Furthermore, fermentation for the combined mutant R148A-H149E (EcNudc-M) production in a 7 L fermenter was implemented and the enzyme activity of EcNudc-M reached 33.0 U/mL. Finally, the EcNudc-M was applied in the catalysis of NADH with the highest NMNH yield of 16.65 g/L. Discussion: In conclusion, we constructed a commercially available genetically engineered strain with high activity and thermal stability of NADH pyrophosphatase, laying a broad foundation for the biocatalytic industrial production of NMNH and expand its application range.
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Affiliation(s)
- Ye Liu
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, China
- Yixing Institute of Food and Biotechnology Co., Ltd., Yixing, China
| | - Jin-Song Gong
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, China
- *Correspondence: Jin-Song Gong,
| | | | - Chang Su
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Michael Hall
- Seragon Biosciences, Inc., Irvine, CA, United States
| | - Heng Li
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, China
| | - Guo-Qiang Xu
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, School of Biotechnology, Jiangnan University, Wuxi, China
| | - Jin-Song Shi
- Key Laboratory of Carbohydrate Chemistry and Biotechnology, Ministry of Education, School of Life Sciences and Health Engineering, Jiangnan University, Wuxi, China
- Yixing Institute of Food and Biotechnology Co., Ltd., Yixing, China
| | - Zheng-Hong Xu
- Yixing Institute of Food and Biotechnology Co., Ltd., Yixing, China
- National Engineering Research Center for Cereal Fermentation and Food Biomanufacturing, School of Biotechnology, Jiangnan University, Wuxi, China
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21
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Wu K, Li B, Ma Y, Tu T, Lin Q, Zhu J, Zhou Y, Liu N, Liu Q. Nicotinamide mononucleotide attenuates HIF-1α activation and fibrosis in hypoxic adipose tissue via NAD +/SIRT1 axis. Front Endocrinol (Lausanne) 2023; 14:1099134. [PMID: 36777361 PMCID: PMC9909340 DOI: 10.3389/fendo.2023.1099134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 01/13/2023] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND Fibrosis is increasingly considered as a major contributor in adipose tissue dysfunction. Hypoxic activation of hypoxia-inducible factor 1α (HIF-1α) induces a profibrotic transcription, leading to adipose fibrosis. Nicotinamide mononucleotide (NMN), a member of the vitamin B3 family, has been shown to relieve hepatic and cardiac fibrosis, but its effects on hypoxic adipose fibrosis and the underlying mechanism remain unclear. We aimed to elucidate the roles of NMN in regulating HIF-1α and fibrosis in hypoxic adipose tissue. METHODS Mice were placed in a hypobaric chamber for four weeks to induce adipose fibrosis. NMN (500 mg/kg, every three days) was administered by intraperitoneal injection. In vitro, Stromal vascular fractions (SVF) cells were treated by hypoxia with or without NMN (200μM), sirtinol (25μM, a SIRT1 inhibitor) and CoCl2 (100μM, a HIF1α enhancer). The effects of NMN on hypoxia-associated adipose fibrosis, inflammation, NAD+/SIRT1 axis alteration, and HIF-1α activation were evaluated by real-time polymerase chain reaction (PCR), western blots, immunohistochemistry staining, immunoprecipitation, and assay kits. RESULTS Mice placed in a hypoxic chamber for four weeks showed obvious adipose fibrosis and inflammation, which were attenuated by NMN. NMN also restore the compromised NAD+/SIRT1 axis and inhibited the activation of HIF-1α induced by hypoxia. In hypoxia-induced SVFs, the SIRT1 inhibitor sirtinol blocked the anti-fibrotic and anti-inflammatory effects of NMN, upregulated the HIF-1α and its acetylation level. The HIF1α stabilizer CoCl2 showed similar effects as sirtinol. CONCLUSION NMN effectively attenuated HIF-1α activation-induced adipose fibrosis and inflammation by restoring the compromised NAD+/SIRT1 axis.
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Affiliation(s)
- Keke Wu
- Department of Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Biao Li
- Department of Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- Department of Cardiology, Shenzhen Traditional Chinese Medicine Hospital, Shenzhen, Guangdong, China
| | - Yingxu Ma
- Department of Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Tao Tu
- Department of Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Qiuzhen Lin
- Department of Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Jiayi Zhu
- Department of Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Yong Zhou
- Department of Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
| | - Na Liu
- Department of Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- *Correspondence: Qiming Liu, ; Na Liu,
| | - Qiming Liu
- Department of Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan, China
- *Correspondence: Qiming Liu, ; Na Liu,
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22
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Sexual dimorphism in acute myocardial infarction-induced acute kidney injury: cardiorenal deteriorating effects of ovariectomy in premenopausal female mice. Clin Sci (Lond) 2023; 137:47-63. [PMID: 36519413 PMCID: PMC9816372 DOI: 10.1042/cs20220513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 12/13/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022]
Abstract
Acute kidney injury (AKI) is a common complication of cardiovascular diseases (CVDs) in both males and females, increasing mortality rate substantially. Premenopausal females appear to be more protected, suggesting a potential protective role of female sex hormones. Here, we tested the hypothesis that ovariectomy (OVX) eliminates the beneficial effect of female sex on renal protection following acute myocardial infarction (MI). Seven days post-MI, both sexes exhibited worsened kidney function and a substantial decrease in total kidney NAD levels. Unlike MI female mice, MI males showed exacerbated morphological alterations with increased proinflammatory, proapoptotic, and profibrotic biomarkers. The expression of NAD+ biosynthetic enzymes NAMPT and NMRK-1 was increased in MI females only, while males showed a substantial increase in NAD+ consuming enzyme PARP-1. OVX did not eliminate the female-sex protection of glomerular morphology but was associated with swelling of proximal convoluted tubules with MI as in males. With OVX, MI females had enhanced proinflammatory cytokine release, and a further decrease in creatinine clearance and urine output was observed. Our findings suggest that MI induced AKI in both sexes with pre-menopausal female mice being more protected. Ovariectomy worsens aspects of AKI in females after MI, which may portend increased risk for development of chronic kidney disease.
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23
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Li W, Zhou Y, Pang N, Hu Q, Li Q, Sun Y, Ding Y, Gu Y, Xiao Y, Gao M, Ma S, Pan J, Fang EF, Zhang Z, Yang L. NAD Supplement Alleviates Intestinal Barrier Injury Induced by Ethanol Via Protecting Epithelial Mitochondrial Function. Nutrients 2022; 15:nu15010174. [PMID: 36615829 PMCID: PMC9823589 DOI: 10.3390/nu15010174] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2022] [Revised: 12/27/2022] [Accepted: 12/28/2022] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND The epithelial tight junction is an important intestinal barrier whose disruption can lead to the release of harmful intestinal substances into the circulation and cause damage to systemic injury. The maintenance of intestinal epithelial tight junctions is closely related to energy homeostasis and mitochondrial function. Nicotinamide riboside (NR) is a NAD booster that can enhance mitochondrial biogenesis in liver. However, whether NR can prevent ethanol-induced intestinal barrier dysfunction and the underlying mechanisms remain unclear. METHODS We applied the mouse NIAAA model (chronic plus binge ethanol feeding) and Caco-2 cells to explore the effects of NR on ethanol-induced intestinal barrier dysfunction and the underlying mechanisms. NAD homeostasis and mitochondrial function were measured. In addition, knockdown of SirT1 in Caco-2 cells was further applied to explore the role of SirT1 in the protection of NR. RESULTS We found that ethanol increased intestinal permeability, increased the release of LPS into the circulation and destroyed the intestinal epithelial barrier structure in mice. NR supplementation attenuated intestinal barrier injury. Both in vivo and in vitro experiments showed that NR attenuated ethanol-induced decreased intestinal tight junction protein expressions and maintained NAD homeostasis. In addition, NR supplementation activated SirT1 activity and increased deacetylation of PGC-1α, and reversed ethanol-induced mitochondrial dysfunction and mitochondrial biogenesis. These effects were diminished with the knockdown of SirT1 in Caco-2 cells. CONCLUSION Boosting NAD by NR alleviates ethanol-induced intestinal epithelial barrier damage via protecting mitochondrial function in a SirT1-dependent manner.
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Affiliation(s)
- Wenli Li
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou 510080, China
- Department of Immunization Programmes, Guangzhou Huadu District Center for Disease Control and Prevention, Guangzhou 510080, China
| | - Yujia Zhou
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou 510080, China
| | - Nengzhi Pang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou 510080, China
| | - Qianrong Hu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou 510080, China
| | - Qiuyan Li
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou 510080, China
| | - Yan Sun
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou 510080, China
| | - Yijie Ding
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou 510080, China
| | - Yingying Gu
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou 510080, China
| | - Ying Xiao
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou 510080, China
| | - Mengqi Gao
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou 510080, China
| | - Sixi Ma
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou 510080, China
| | - Jie Pan
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou 510080, China
| | - Evandro Fei Fang
- Department of Clinical Molecular Biology, University of Oslo and Akershus University Hospital, 1478 Lørenskog, Norway
| | - Zhenfeng Zhang
- Radiology Center, Translational Medicine Center, Guangzhou Key Laboratory for Research and Development of Nano-Biomedical Technology for Diagnosis and Therapy, Guangdong Provincial Education Department, Key Laboratory of Nano-Immunoregulation Tumour Microenvironment, Central Laboratory, the Second Affiliated Hospital, Guangzhou Medical University, Guangzhou 510260, China
- Correspondence: (Z.Z.); (L.Y.)
| | - Lili Yang
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, Department of Nutrition, School of Public Health, Sun Yat-sen University, No. 74 Zhongshan Road 2, Yuexiu District, Guangzhou 510080, China
- Correspondence: (Z.Z.); (L.Y.)
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Ginsenoside Rg1 Inhibits High Glucose-Induced Proliferation, Migration, and Angiogenesis in Retinal Endothelial Cells by Regulating the lncRNA SNHG7/miR-2116-5p/SIRT3 Axis. JOURNAL OF ONCOLOGY 2022; 2022:6184631. [PMID: 36510610 PMCID: PMC9741534 DOI: 10.1155/2022/6184631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/22/2022] [Accepted: 08/26/2022] [Indexed: 12/04/2022]
Abstract
Background Diabetic retinopathy (DR), including retinal angiogenesis and endothelial cell proliferation and migration, is a serious complication in diabetic patients. It has been reported that ginsenoside Rg1 can prevent retinal damage. However, the mechanism by which Rg1 prevents retinal damage is unknown. Therefore, the aim of the present study was to investigate the mechanism by which Rg1 inhibits high glucose-induced complications through the regulation of the lncRNA SNHG7/miR-2116-5p/SIRT3 axis. Methods Under high glucose (HG) conditions, human retinal endothelial cells (HRECs) were cultured to simulate a DR environment, and Rg1 was added after 48 h. Negative control (NC), miR-2116-5p mimic, si-SNHG7, pc-DNA SIRT3, and miR-2116-5p inhibitor were transfected into HRECs, and CCK-8 assay was used to detect the cell viability. Angiogenesis and transwell assays were used to evaluate angiogenesis and cell migration, respectively. qRT-PCR and Western blot were used to detect the expression of related genes and proteins. Luciferase reporter assays and bioinformatics were used to analyze the target binding sites of miR-2116-5p to lncRNA SNHG7 and SIRT3. Results The proliferation, migration and angiogenesis of HRECs were induced by HG. As expected, HG upregulated miR-2116-5p and VEGF expression but downregulated lncRNA SNHG7 and SIRT3 expression. Importantly, Rg1 inhibited HG-induced HREC proliferation, migration, and angiogenesis by upregulating the lncRNA SNHG7, and miR-2116-5p had a target regulatory relationship with both lncRNA SNHG7 and SIRT3. Conclusion Rg1 inhibits HG-induced proliferation, migration, angiogenesis, and VEGF expression in retinal endothelial cells through the lncRNA SNG7/miR-2116-5p/SIRT3 axis. This finding provides theoretical evidence for the clinical application of Rg1 in DR.
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25
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Bolding JE, Martín‐Gago P, Rajabi N, Gamon LF, Hansen TN, Bartling CRO, Strømgaard K, Davies MJ, Olsen CA. Aryl Fluorosulfate Based Inhibitors That Covalently Target the SIRT5 Lysine Deacylase. Angew Chem Int Ed Engl 2022; 61:e202204565. [PMID: 36130196 PMCID: PMC9828517 DOI: 10.1002/anie.202204565] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Indexed: 01/12/2023]
Abstract
The sirtuin enzymes are a family of lysine deacylases that regulate gene transcription and metabolism. Sirtuin 5 (SIRT5) hydrolyzes malonyl, succinyl, and glutaryl ϵ-N-carboxyacyllysine posttranslational modifications and has recently emerged as a vulnerability in certain cancers. However, chemical probes to illuminate its potential as a pharmacological target have been lacking. Here we report the harnessing of aryl fluorosulfate-based electrophiles as an avenue to furnish covalent inhibitors that target SIRT5. Alkyne-tagged affinity-labeling agents recognize and capture overexpressed SIRT5 in cultured HEK293T cells and can label SIRT5 in the hearts of mice upon intravenous injection of the compound. This work demonstrates the utility of aryl fluorosulfate electrophiles for targeting of SIRT5 and suggests this as a means for the development of potential covalent drug candidates. It is our hope that these results will serve as inspiration for future studies investigating SIRT5 and general sirtuin biology in the mitochondria.
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Affiliation(s)
- Julie E. Bolding
- Center for Biopharmaceuticals & Department of Drug Design and PharmacologyFaculty of Health and Medical SciencesUniversity of CopenhagenUniversitetsparken 2DK-2100CopenhagenDenmark
| | - Pablo Martín‐Gago
- Center for Biopharmaceuticals & Department of Drug Design and PharmacologyFaculty of Health and Medical SciencesUniversity of CopenhagenUniversitetsparken 2DK-2100CopenhagenDenmark
| | - Nima Rajabi
- Center for Biopharmaceuticals & Department of Drug Design and PharmacologyFaculty of Health and Medical SciencesUniversity of CopenhagenUniversitetsparken 2DK-2100CopenhagenDenmark
| | - Luke F. Gamon
- Department of Biomedical SciencesFaculty of Health and Medical SciencesUniversity of CopenhagenBlegdamsvej 3DK-2200CopenhagenDenmark
| | - Tobias N. Hansen
- Center for Biopharmaceuticals & Department of Drug Design and PharmacologyFaculty of Health and Medical SciencesUniversity of CopenhagenUniversitetsparken 2DK-2100CopenhagenDenmark
| | - Christian R. O. Bartling
- Center for Biopharmaceuticals & Department of Drug Design and PharmacologyFaculty of Health and Medical SciencesUniversity of CopenhagenUniversitetsparken 2DK-2100CopenhagenDenmark
| | - Kristian Strømgaard
- Center for Biopharmaceuticals & Department of Drug Design and PharmacologyFaculty of Health and Medical SciencesUniversity of CopenhagenUniversitetsparken 2DK-2100CopenhagenDenmark
| | - Michael J. Davies
- Department of Biomedical SciencesFaculty of Health and Medical SciencesUniversity of CopenhagenBlegdamsvej 3DK-2200CopenhagenDenmark
| | - Christian A. Olsen
- Center for Biopharmaceuticals & Department of Drug Design and PharmacologyFaculty of Health and Medical SciencesUniversity of CopenhagenUniversitetsparken 2DK-2100CopenhagenDenmark
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Lnc Tmem235 promotes repair of early steroid-induced osteonecrosis of the femoral head by inhibiting hypoxia-induced apoptosis of BMSCs. Exp Mol Med 2022; 54:1991-2006. [PMID: 36380019 PMCID: PMC9723185 DOI: 10.1038/s12276-022-00875-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 03/24/2022] [Accepted: 08/15/2022] [Indexed: 11/17/2022] Open
Abstract
Bone marrow mesenchymal stem cells (BMSCs) have been used in the treatment of early steroid-induced osteonecrosis of the femoral head (SONFH). However, the hypoxic microenvironment in the osteonecrotic area leads to hypoxia-induced apoptosis of transplanted BMSCs, which limits their efficacy. Therefore, approaches that inhibit hypoxia-induced apoptosis of BMSCs are promising for augmenting the efficacy of BMSC transplantation. Our present study found that under hypoxia, the expression of the long noncoding RNA (Lnc) transmembrane protein 235 (Tmem235) was downregulated, the expression of Bcl-2-associated X protein was upregulated, the expression of B-cell lymphoma-2 protein was downregulated, and the apoptotic rate of BMSCs was over 70%. However, overexpression of Lnc Tmem235 reversed hypoxia-induced apoptosis of BMSCs and promoted their survival. These results demonstrated that Lnc Tmem235 effectively inhibited hypoxia-induced apoptosis of BMSCs. Mechanistically, we found that Lnc Tmem235 exhibited competitive binding to miR-34a-3p compared with BIRC5 mRNA, which is an inhibitor of apoptosis; this competitive binding relieved the silencing effect of miR-34a-3p on BIRC5 mRNA to ultimately inhibit hypoxia-induced apoptosis of BMSCs by promoting the expression of BIRC5. Furthermore, we cocultured BMSCs overexpressing Lnc Tmem235 with xenogeneic antigen-extracted cancellous bone to construct tissue-engineered bone to repair a model of early SONFH in vivo. The results showed that overexpression of Lnc Tmem235 effectively reduced apoptosis of BMSCs in the hypoxic microenvironment of osteonecrosis and improved the effect of BMSC transplantation. Taken together, our findings show that Lnc Tmem235 inhibited hypoxia-induced apoptosis of BMSCs by regulating the miR-34a-3p/BIRC5 axis, thus improving the transplantation efficacy of BMSCs for treating early SONFH.
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27
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Thomas K, Zondler L, Ludwig N, Kardell M, Lüneburg C, Henke K, Mersmann S, Margraf A, Spieker T, Tekath T, Velic A, Holtmeier R, Hermann J, Jankowski V, Meersch M, Vestweber D, Westphal M, Roth J, Schäfers MA, Kellum JA, Lowell CA, Rossaint J, Zarbock A. Glutamine prevents acute kidney injury by modulating oxidative stress and apoptosis in tubular epithelial cells. JCI Insight 2022; 7:163161. [PMID: 36107633 PMCID: PMC9675453 DOI: 10.1172/jci.insight.163161] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 09/12/2022] [Indexed: 12/15/2022] Open
Abstract
Acute kidney injury (AKI) represents a common complication in critically ill patients that is associated with increased morbidity and mortality. In a murine AKI model induced by ischemia/reperfusion injury (IRI), we show that glutamine significantly decreases kidney damage and improves kidney function. We demonstrate that glutamine causes transcriptomic and proteomic reprogramming in murine renal tubular epithelial cells (TECs), resulting in decreased epithelial apoptosis, decreased neutrophil recruitment, and improved mitochondrial functionality and respiration provoked by an ameliorated oxidative phosphorylation. We identify the proteins glutamine gamma glutamyltransferase 2 (Tgm2) and apoptosis signal-regulating kinase (Ask1) as the major targets of glutamine in apoptotic signaling. Furthermore, the direct modulation of the Tgm2-HSP70 signalosome and reduced Ask1 activation resulted in decreased JNK activation, leading to diminished mitochondrial intrinsic apoptosis in TECs. Glutamine administration attenuated kidney damage in vivo during AKI and TEC viability in vitro under inflammatory or hypoxic conditions.
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Affiliation(s)
- Katharina Thomas
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Lisa Zondler
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Nadine Ludwig
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Marina Kardell
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Corinna Lüneburg
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Katharina Henke
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Sina Mersmann
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Andreas Margraf
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Tilmann Spieker
- Institute for Pathology, St. Franziskus Hospital Münster, Münster, Germany
| | - Tobias Tekath
- Institute of Medical Informatics, University of Münster, Münster, Germany
| | - Ana Velic
- Department of Quantitative Proteomics, University of Tübingen, Tübingen, Germany
| | - Richard Holtmeier
- Institute of Clinical Radiology, University Hospital Münster, Münster, Germany
| | - Juliane Hermann
- Institute for Molecular Cardiovascular Research, RWTH Aachen University Hospital, Aachen, Germany
| | - Vera Jankowski
- Institute for Molecular Cardiovascular Research, RWTH Aachen University Hospital, Aachen, Germany
| | - Melanie Meersch
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | | | - Martin Westphal
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany.,Fresenius Kabi AG, Bad Homburg, Germany
| | - Johannes Roth
- Institute for Immunology, University of Münster, Münster
| | - Michael A. Schäfers
- European Institute for Molecular Imaging, University Hospital Münster, Münster, Germany
| | - John A. Kellum
- Center for Critical Care Nephrology, Department of Critical Care Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Clifford A. Lowell
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, California, USA
| | - Jan Rossaint
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
| | - Alexander Zarbock
- Department of Anesthesiology, Intensive Care and Pain Medicine, University Hospital Münster, Münster, Germany
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28
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Is bariatric surgery improving mitochondrial function in the renal cells of patients with obesity-induced kidney disease? Pharmacol Res 2022; 185:106488. [DOI: 10.1016/j.phrs.2022.106488] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 09/28/2022] [Accepted: 10/03/2022] [Indexed: 11/22/2022]
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29
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Magnesium Isoglycyrrhizinate Reduces the Target-Binding Amount of Cisplatin to Mitochondrial DNA and Renal Injury through SIRT3. Int J Mol Sci 2022; 23:ijms232113093. [DOI: 10.3390/ijms232113093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2022] [Revised: 10/19/2022] [Accepted: 10/25/2022] [Indexed: 11/16/2022] Open
Abstract
Nephrotoxicity is the dose-limiting factor of cisplatin treatment. Magnesium isoglycyrrhizinate (MgIG) has been reported to ameliorate renal ischemia–reperfusion injury. This study aimed to investigate the protective effect and possible mechanisms of MgIG against cisplatin-induced nephrotoxicity from the perspective of cellular pharmacokinetics. We found that cisplatin predominantly accumulated in mitochondria of renal tubular epithelial cells, and the amount of binding with mitochondrial DNA (mtDNA) was more than twice that with nuclear DNA (nDNA). MgIG significantly lowered the accumulation of cisplatin in mitochondria and, in particular, the degree of target-binding to mtDNA. MgIG notably ameliorated cisplatin-induced changes in mitochondrial membrane potential, morphology, function, and cell viability, while the magnesium donor drugs failed to work. In a mouse model, MgIG significantly alleviated cisplatin-caused renal dysfunction, pathological changes of renal tubules, mitochondrial ultrastructure variations, and disturbed energy metabolism. Both in vitro and in vivo data showed that MgIG recovered the reduction of NAD+-related substances and NAD+-dependent deacetylase sirtuin-3 (SIRT3) level caused by cisplatin. Furthermore, SIRT3 knockdown weakened the protective effect of MgIG on mitochondria, while SIRT3 agonist protected HK-2 cells from cisplatin and specifically reduced platinum-binding activity with mtDNA. In conclusion, MgIG reduces the target-binding amount of platinum to mtDNA and exerts a protective effect on cisplatin-induced renal injury through SIRT3, which may provide a new strategy for the treatment of cisplatin-induced nephrotoxicity.
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30
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Liu SM, Zhang YR, Chen Y, Ji DR, Zhao J, Fu S, Jia MZ, Yu YR, Tang CS, Huang W, Zhou YB, Qi YF. Intermedin Alleviates Vascular Calcification in CKD through Sirtuin 3-Mediated Inhibition of Mitochondrial Oxidative Stress. Pharmaceuticals (Basel) 2022; 15:ph15101224. [PMID: 36297336 PMCID: PMC9608591 DOI: 10.3390/ph15101224] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2022] [Revised: 09/30/2022] [Accepted: 09/30/2022] [Indexed: 11/10/2022] Open
Abstract
Vascular calcification (VC) is a common pathophysiological process of chronic kidney disease (CKD). Sirtuin 3 (Sirt3), a major NAD+-dependent protein deacetylase predominantly in mitochondria, is involved in the pathogenesis of VC. We previously reported that intermedin (IMD) could protect against VC. In this study, we investigated whether IMD attenuates VC by Sirt3-mediated inhibition of mitochondrial oxidative stress. A rat VC with CKD model was induced by the 5/6 nephrectomy plus vitamin D3. Vascular smooth muscle cell (VSMC) calcification was induced by CaCl2 and β-glycerophosphate. IMD1-53 treatment attenuated VC in vitro and in vivo, rescued the depressed mitochondrial membrane potential (MMP) level and decreased mitochondrial ROS levels in calcified VSMCs. IMD1-53 treatment recovered the reduced protein level of Sirt3 in calcified rat aortas and VSMCs. Inhibition of VSMC calcification by IMD1-53 disappeared when the cells were Sirt3 absent or pretreated with the Sirt3 inhibitor 3-TYP. Furthermore, 3-TYP pretreatment blocked IMD1-53-mediated restoration of the MMP level and inhibition of mitochondrial oxidative stress in calcified VSMCs. The attenuation of VSMC calcification by IMD1-53 through upregulation of Sirt3 might be achieved through activation of the IMD receptor and post-receptor signaling pathway AMPK, as indicated by pretreatment with an IMD receptor antagonist or AMPK inhibitor blocking the inhibition of VSMC calcification and upregulation of Sirt3 by IMD1-53. AMPK inhibitor treatment reversed the effects of IMD1-53 on restoring the MMP level and inhibiting mitochondrial oxidative stress in calcified VSMCs. In conclusion, IMD attenuates VC by improving mitochondrial function and inhibiting mitochondrial oxidative stress through upregulating Sirt3.
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Affiliation(s)
- Shi-Meng Liu
- Laboratory of Cardiovascular Bioactive Molecule, School of Basic Medical Sciences, Peking University, Beijing 100083, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University Health Science Center, Beijing 100083, China
- Department of Pathogen Biology, School of Basic Medical Sciences, Peking University, Beijing 100083, China
| | - Ya-Rong Zhang
- Laboratory of Cardiovascular Bioactive Molecule, School of Basic Medical Sciences, Peking University, Beijing 100083, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University Health Science Center, Beijing 100083, China
- Department of Pathogen Biology, School of Basic Medical Sciences, Peking University, Beijing 100083, China
| | - Yao Chen
- Department of Physiology, School of Basic Medical Sciences, Chongqing Medical University, Chongqing 400016, China
| | - Deng-Ren Ji
- Laboratory of Cardiovascular Bioactive Molecule, School of Basic Medical Sciences, Peking University, Beijing 100083, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University Health Science Center, Beijing 100083, China
- Department of Pathogen Biology, School of Basic Medical Sciences, Peking University, Beijing 100083, China
| | - Jie Zhao
- Laboratory of Cardiovascular Bioactive Molecule, School of Basic Medical Sciences, Peking University, Beijing 100083, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University Health Science Center, Beijing 100083, China
- Department of Pathogen Biology, School of Basic Medical Sciences, Peking University, Beijing 100083, China
| | - Su Fu
- Department of Neurobiology, School of Basic Medical Sciences, Peking University, Beijing 100083, China
| | - Mo-Zhi Jia
- Department of Pathogen Biology, School of Basic Medical Sciences, Peking University, Beijing 100083, China
| | - Yan-Rong Yu
- Department of Pathogen Biology, School of Basic Medical Sciences, Peking University, Beijing 100083, China
| | - Chao-Shu Tang
- Laboratory of Cardiovascular Bioactive Molecule, School of Basic Medical Sciences, Peking University, Beijing 100083, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University Health Science Center, Beijing 100083, China
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Peking University, Beijing 100083, China
| | - Wei Huang
- Institute of Cardiovascular Sciences and Key Laboratory of Molecular Cardiovascular Sciences, School of Basic Medical Sciences, Ministry of Education, Peking University Health Science Center, Beijing 100083, China
| | - Ye-Bo Zhou
- Department of Physiology, Nanjing Medical University, Nanjing 211166, China
- Correspondence: (Y.-B.Z.); (Y.-F.Q.)
| | - Yong-Fen Qi
- Laboratory of Cardiovascular Bioactive Molecule, School of Basic Medical Sciences, Peking University, Beijing 100083, China
- Key Laboratory of Molecular Cardiovascular Science, Ministry of Education, Peking University Health Science Center, Beijing 100083, China
- Department of Pathogen Biology, School of Basic Medical Sciences, Peking University, Beijing 100083, China
- Correspondence: (Y.-B.Z.); (Y.-F.Q.)
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31
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Wang Y, Zhang H, Liu C, Wang Z, Wu W, Zhang N, Zhang L, Hu J, Luo P, Zhang J, Liu Z, Peng Y, Liu Z, Tang L, Cheng Q. Immune checkpoint modulators in cancer immunotherapy: recent advances and emerging concepts. J Hematol Oncol 2022; 15:111. [PMID: 35978433 PMCID: PMC9386972 DOI: 10.1186/s13045-022-01325-0] [Citation(s) in RCA: 94] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Accepted: 08/01/2022] [Indexed: 12/13/2022] Open
Abstract
The discovery of immune checkpoint inhibitors (ICIs) has now been universally acknowledged as a significant breakthrough in tumor therapy after the targeted treatment of checkpoint molecules: anti-programmed cell death protein 1/programmed cell death ligand 1 (PD-1/PD-L1) and anti-cytotoxic T lymphocyte-associated antigen-4 (CTLA-4) on several cancer types achieved satisfying results. However, there are still quite a lot of patients suffering from severe side effects and ineffective treatment outcomes. Although the current ICI therapy is far from satisfying, a series of novel immune checkpoint molecules with remarkable preclinical and clinical benefits are being widely investigated, like the V-domain Ig suppressor of T cell activation (VISTA), which can also be called PD-1 homolog (PD-1H), and ectonucleotidases: CD39, CD73, and CD38, which belong to the ribosyl cyclase family, etc. In this review, we systematically summarized and discussed these molecules' biological structures, molecular features, and the corresponding targeted drugs, aiming to help the in-depth understanding of immune checkpoint molecules and promote the clinical practice of ICI therapy.
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Affiliation(s)
- Yuchen Wang
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China.,Xiangya School of Medicine, Central South University, Changsha, People's Republic of China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Hao Zhang
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China.,Department of Neurosurgery, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Chao Liu
- Department of Neurosurgery, Central Hospital of Zhuzhou, Zhuzhou, People's Republic of China
| | - Zeyu Wang
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Wantao Wu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Nan Zhang
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China.,One-Third Lab, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, People's Republic of China
| | - Longbo Zhang
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China.,Department of Neurosurgery, and Department of Cellular & Molecular Physiology, Yale University School of Medicine, New Haven, USA.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Jason Hu
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China.,Department of Neonatology, Yale University School of Medicine, New Haven, USA
| | - Peng Luo
- Department of Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Jian Zhang
- Department of Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Zaoqu Liu
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou, Zhengzhou, People's Republic of China
| | - Yun Peng
- Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, People's Republic of China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Zhixiong Liu
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China.
| | - Lanhua Tang
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China. .,Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China.
| | - Quan Cheng
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China.
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32
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Wang Y, Zhang H, Liu C, Wang Z, Wu W, Zhang N, Zhang L, Hu J, Luo P, Zhang J, Liu Z, Peng Y, Liu Z, Tang L, Cheng Q. Immune checkpoint modulators in cancer immunotherapy: recent advances and emerging concepts. J Hematol Oncol 2022. [PMID: 35978433 DOI: 10.1186/s13045-022-01325-0.pmid:35978433;pmcid:pmc9386972.[125]robertc.adecadeofimmune-checkpointinhibitorsincancertherapy.natcommun.2020jul30;11(1):3801.doi:10.1038/s41467-020-17670-y.pmid:32732879;pmcid:pmc7393098] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/09/2023] Open
Abstract
The discovery of immune checkpoint inhibitors (ICIs) has now been universally acknowledged as a significant breakthrough in tumor therapy after the targeted treatment of checkpoint molecules: anti-programmed cell death protein 1/programmed cell death ligand 1 (PD-1/PD-L1) and anti-cytotoxic T lymphocyte-associated antigen-4 (CTLA-4) on several cancer types achieved satisfying results. However, there are still quite a lot of patients suffering from severe side effects and ineffective treatment outcomes. Although the current ICI therapy is far from satisfying, a series of novel immune checkpoint molecules with remarkable preclinical and clinical benefits are being widely investigated, like the V-domain Ig suppressor of T cell activation (VISTA), which can also be called PD-1 homolog (PD-1H), and ectonucleotidases: CD39, CD73, and CD38, which belong to the ribosyl cyclase family, etc. In this review, we systematically summarized and discussed these molecules' biological structures, molecular features, and the corresponding targeted drugs, aiming to help the in-depth understanding of immune checkpoint molecules and promote the clinical practice of ICI therapy.
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Affiliation(s)
- Yuchen Wang
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China
- Xiangya School of Medicine, Central South University, Changsha, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Hao Zhang
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China
- Department of Neurosurgery, The Second Affiliated Hospital, Chongqing Medical University, Chongqing, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Chao Liu
- Department of Neurosurgery, Central Hospital of Zhuzhou, Zhuzhou, People's Republic of China
| | - Zeyu Wang
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Wantao Wu
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Nan Zhang
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China
- One-Third Lab, College of Bioinformatics Science and Technology, Harbin Medical University, Harbin, People's Republic of China
| | - Longbo Zhang
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China
- Department of Neurosurgery, and Department of Cellular & Molecular Physiology, Yale University School of Medicine, New Haven, USA
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Jason Hu
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China
- Department of Neonatology, Yale University School of Medicine, New Haven, USA
| | - Peng Luo
- Department of Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Jian Zhang
- Department of Oncology, Zhujiang Hospital, Southern Medical University, Guangzhou, People's Republic of China
| | - Zaoqu Liu
- Department of Interventional Radiology, The First Affiliated Hospital of Zhengzhou, Zhengzhou, People's Republic of China
| | - Yun Peng
- Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, People's Republic of China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China
| | - Zhixiong Liu
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China.
| | - Lanhua Tang
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China.
- Department of Oncology, Xiangya Hospital, Central South University, Changsha, 410008, Hunan, People's Republic of China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China.
| | - Quan Cheng
- Department of Neurosurgery, Xiangya Hospital, Center South University, Changsha, 410008, Hunan, People's Republic of China.
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, People's Republic of China.
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Wintzinger M, Panta M, Miz K, Prabakaran AD, Durumutla HB, Sargent M, Peek CB, Bass J, Molkentin JD, Quattrocelli M. Impact of circadian time of dosing on cardiomyocyte-autonomous effects of glucocorticoids. Mol Metab 2022; 62:101528. [PMID: 35717025 PMCID: PMC9243158 DOI: 10.1016/j.molmet.2022.101528] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 05/27/2022] [Accepted: 06/11/2022] [Indexed: 11/29/2022] Open
Abstract
OBJECTIVE Mitochondrial capacity is critical to adapt the high energy demand of the heart to circadian oscillations and diseased states. Glucocorticoids regulate the circadian cycle of energy metabolism, but little is known about how circadian timing of exogenous glucocorticoid dosing directly regulates heart metabolism through cardiomyocyte-autonomous mechanisms. While chronic once-daily intake of glucocorticoids promotes metabolic stress and heart failure, we recently discovered that intermittent once-weekly dosing of exogenous glucocorticoids promoted muscle metabolism in normal and obese skeletal muscle. However, the effects of glucocorticoid intermittence on heart metabolism and heart failure remain unknown. Here we investigated the extent to which circadian time of dosing regulates the effects of the glucocorticoid prednisone in heart metabolism and function in conditions of single pulse or chronic intermittent dosing. METHODS AND RESULTS In WT mice, we found that prednisone improved cardiac content of NAD+ and ATP with light-phase dosing (ZT0), while the effects were blocked by dark-phase dosing (ZT12). The drug effects on mitochondrial function were cardiomyocyte-autonomous, as shown by inducible cardiomyocyte-restricted glucocorticoid receptor (GR) ablation, and depended on an intact cardiomyocyte clock, as shown by inducible cardiomyocyte-restricted ablation of Brain and Muscle ARNT-like 1 (BMAL1). Conjugating time-of-dosing with chronic intermittence, we found that once-weekly prednisone improved metabolism and function in heart after myocardial injury dependent on circadian time of intake, i.e. with light-phase but not dark-phase dosing. CONCLUSIONS Our study identifies cardiac-autonomous mechanisms through which circadian-specific intermittent dosing reconverts glucocorticoid drugs to metabolic boosters for the heart.
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Affiliation(s)
- Michelle Wintzinger
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Manoj Panta
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Karen Miz
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Ashok D Prabakaran
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Hima Bindu Durumutla
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA; Department of Pediatrics, University of Cincinnati College of Medicine; Cincinnati, OH, USA
| | - Michelle Sargent
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA
| | - Clara Bien Peek
- Division of Endocrinology, Metabolism and Molecular Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA; Department of Biochemistry and Molecular Genetics, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Joseph Bass
- Division of Endocrinology, Metabolism and Molecular Medicine, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Jeffery D Molkentin
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA; Department of Pediatrics, University of Cincinnati College of Medicine; Cincinnati, OH, USA
| | - Mattia Quattrocelli
- Division of Molecular Cardiovascular Biology, Heart Institute, Cincinnati Children's Hospital Medical Center, Cincinnati, OH, USA; Department of Pediatrics, University of Cincinnati College of Medicine; Cincinnati, OH, USA.
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34
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Fiorentino F, Castiello C, Mai A, Rotili D. Therapeutic Potential and Activity Modulation of the Protein Lysine Deacylase Sirtuin 5. J Med Chem 2022; 65:9580-9606. [PMID: 35802779 PMCID: PMC9340778 DOI: 10.1021/acs.jmedchem.2c00687] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Sirtiun 5 (SIRT5) is a NAD+-dependent protein lysine deacylase primarily located in mitochondria. SIRT5 displays an affinity for negatively charged acyl groups and mainly catalyzes lysine deglutarylation, desuccinylation, and demalonylation while possessing weak deacetylase activity. SIRT5 substrates play crucial roles in metabolism and reactive oxygen species (ROS) detoxification, and SIRT5 activity is protective in neuronal and cardiac physiology. Moreover, SIRT5 exhibits a dichotomous role in cancer, acting as context-dependent tumor promoter or suppressor. Given its multifaceted activity, SIRT5 is a promising target in the design of activators or inhibitors that might act as therapeutics in many pathologies, including cancer, cardiovascular disorders, and neurodegeneration. To date, few cellular-active peptide-based SIRT5 inhibitors (SIRT5i) have been described, and potent and selective small-molecule SIRT5i have yet to be discovered. In this perspective, we provide an outline of SIRT5's roles in different biological settings and describe SIRT5 modulators in terms of their mode of action, pharmacological activity, and structure-activity relationships.
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Affiliation(s)
- Francesco Fiorentino
- Department
of Drug Chemistry and Technologies, Sapienza
University of Rome, Piazzala Aldo Moro 5, Rome 00185, Italy
| | - Carola Castiello
- Department
of Drug Chemistry and Technologies, Sapienza
University of Rome, Piazzala Aldo Moro 5, Rome 00185, Italy
| | - Antonello Mai
- Department
of Drug Chemistry and Technologies, Sapienza
University of Rome, Piazzala Aldo Moro 5, Rome 00185, Italy
- Pasteur
Institute, Cenci-Bolognetti Foundation, Sapienza University of Rome, Piazzala Aldo Moro 5, Rome 00185, Italy
| | - Dante Rotili
- Department
of Drug Chemistry and Technologies, Sapienza
University of Rome, Piazzala Aldo Moro 5, Rome 00185, Italy
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35
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Cai Z, Tian S, Klein T, Tu L, Geenen LW, Koudstaal T, van den Bosch AE, de Rijke YB, Reiss IKM, Boersma E, van der Ley C, Van Faassen M, Kema I, Duncker DJ, Boomars KA, Tran-Lundmark K, Guignabert C, Merkus D. Kynurenine metabolites predict survival in pulmonary arterial hypertension: A role for IL-6/IL-6Rα. Sci Rep 2022; 12:12326. [PMID: 35853948 PMCID: PMC9296482 DOI: 10.1038/s41598-022-15039-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2022] [Accepted: 06/16/2022] [Indexed: 11/13/2022] Open
Abstract
Activation of the kynurenine pathway (KP) has been reported in patients with pulmonary arterial hypertension (PAH) undergoing PAH therapy. We aimed to determine KP-metabolism in treatment-naïve PAH patients, investigate its prognostic values, evaluate the effect of PAH therapy on KP-metabolites and identify cytokines responsible for altered KP-metabolism. KP-metabolite levels were determined in plasma from PAH patients (median follow-up 42 months) and in rats with monocrotaline- and Sugen/hypoxia-induced PH. Blood sampling of PAH patients was performed at the time of diagnosis, six months and one year after PAH therapy. KP activation with lower tryptophan, higher kynurenine (Kyn), 3-hydroxykynurenine (3-HK), quinolinic acid (QA), kynurenic acid (KA), and anthranilic acid was observed in treatment-naïve PAH patients compared with controls. A similar KP-metabolite profile was observed in monocrotaline, but not Sugen/hypoxia-induced PAH. Human lung primary cells (microvascular endothelial cells, pulmonary artery smooth muscle cells, and fibroblasts) were exposed to different cytokines in vitro. Following exposure to interleukin-6 (IL-6)/IL-6 receptor α (IL-6Rα) complex, all cell types exhibit a similar KP-metabolite profile as observed in PAH patients. PAH therapy partially normalized this profile in survivors after one year. Increased KP-metabolites correlated with higher pulmonary vascular resistance, shorter six-minute walking distance, and worse functional class. High levels of Kyn, 3-HK, QA, and KA measured at the latest time-point were associated with worse long-term survival. KP-metabolism was activated in treatment-naïve PAH patients, likely mediated through IL-6/IL-6Rα signaling. KP-metabolites predict response to PAH therapy and survival of PAH patients.
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Affiliation(s)
- Zongye Cai
- Department of Cardiology, Erasmus MC, University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands.,Department of Cardiology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Siyu Tian
- Department of Cardiology, Erasmus MC, University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - Theo Klein
- Department of Clinical Chemistry, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Ly Tu
- INSERM UMR_S 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France.,School of Medicine, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Laurie W Geenen
- Department of Cardiology, Erasmus MC, University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - Thomas Koudstaal
- Department of Pulmonary Medicine, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Annemien E van den Bosch
- Department of Cardiology, Erasmus MC, University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - Yolanda B de Rijke
- Department of Clinical Chemistry, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Irwin K M Reiss
- Department of Pediatrics/Neonatology, Sophia Children's Hospital, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Eric Boersma
- Department of Cardiology, Erasmus MC, University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands.,Department of Clinical Epidemiology, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Claude van der Ley
- Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Martijn Van Faassen
- Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Ido Kema
- Laboratory Medicine, University Medical Center Groningen, University of Groningen, Groningen, The Netherlands
| | - Dirk J Duncker
- Department of Cardiology, Erasmus MC, University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands
| | - Karin A Boomars
- Department of Pulmonary Medicine, Erasmus MC, University Medical Center, Rotterdam, The Netherlands
| | - Karin Tran-Lundmark
- Department of Experimental Medical Science, Lund University, Lund, Sweden.,Wallenberg Centre for Molecular Medicine, Lund University, Lund, Sweden
| | - Christophe Guignabert
- INSERM UMR_S 999, Hôpital Marie Lannelongue, Le Plessis-Robinson, France.,School of Medicine, Université Paris-Saclay, Le Kremlin-Bicêtre, France
| | - Daphne Merkus
- Department of Cardiology, Erasmus MC, University Medical Center, PO Box 2040, 3000 CA, Rotterdam, The Netherlands. .,Walter Brendel Center of Experimental Medicine (WBex), University Clinic Munich, LMU Munich, Munich, Germany. .,German Center for Cardiovascular Research (DZHK), Partner Site Munich, Munich Heart Alliance (MHA), Munich, Germany.
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36
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Beegum F, P V A, George KT, K P D, Begum F, Krishnadas N, Shenoy RR. Sirtuins as therapeutic targets for improving delayed wound healing in diabetes. J Drug Target 2022; 30:911-926. [PMID: 35787722 DOI: 10.1080/1061186x.2022.2085729] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Abstract
Sirtuins are a vast family of histone deacetylases, which are NAD+ dependent enzymes, consisting of seven members, namely SIRT 1, SIRT 6 and SIRT 7 located within the nucleus, SIRT 2 in the cytoplasm and SIRT 3, SIRT 4, and SIRT 5 in the mitochondria. They have vital roles in regulating various biological functions such as age-related metabolic disorders, inflammation, stress response, cardiovascular and neuronal functions. Delayed wound healing is one of the complication of diabetes, which can lead to lower limb amputation if not treated timely. SIRT 1, 3 and 6 are potent targets for diabetic wound healing. SIRT 1 deficiency reduces recruitment of fibroblasts, macrophages, mast cells, neutrophils to wound site and delays wound healing; negatively expressing MMP-9. The SIRT 1 mediated signalling pathway in diabetic wound healing is the SIRT 1-foxo-C-Myc pathway. On the contrary SIRT 3 deficiency, impairs proliferation and migration of fibroblasts and SIRT 6 deficiency impairs wound closure rate and interrupts the vascular remodelling. This review focuses on the role of sirtuins in improving delayed wound healing in diabetes and its natural modulators with their specific functions towards healing diabetic wounds.
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Affiliation(s)
- Fathima Beegum
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
| | - Anuranjana P V
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
| | - Krupa Thankam George
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
| | - Divya K P
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
| | - Farmiza Begum
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
| | - Nandakumar Krishnadas
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
| | - Rekha R Shenoy
- Department of Pharmacology, Manipal College of Pharmaceutical Sciences, Manipal Academy of Higher Education, Manipal-576104, Karnataka, India
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Nicotinamide Mononucleotide Administration Amends Protein Acetylome of Aged Mouse Liver. Cells 2022; 11:cells11101654. [PMID: 35626691 PMCID: PMC9139684 DOI: 10.3390/cells11101654] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 05/09/2022] [Accepted: 05/12/2022] [Indexed: 12/21/2022] Open
Abstract
It is known that the activities of nicotine adenine dinucleotide (NAD+)-dependent deacetylase decline in the aging mouse liver, and nicotinamide mononucleotide (NMN)-mediated activation of deacetylase has been shown to increase healthspans. However, age-induced changes of the acetylomic landscape and effects of NMN treatment on protein acetylation have not been reported. Here, we performed immunoprecipitation coupled with label-free quantitative LC-MS/MS (IPMS) to identify the acetylome and investigate the effects of aging and NMN on liver protein acetylation. In total, 7773 acetylated peptides assigned to 1997 proteins were commonly identified from young and aged livers treated with vehicle or NMN. The major biological processes associated with proteins exhibiting increased acetylation from aged livers were oxidation-reduction and metabolic processes. Proteins with decreased acetylation from aged livers mostly participated in transport and translation processes. Furthermore, NMN treatment inhibited the aging-related increase of acetylation on proteins regulating fatty acid β oxidation, the tricarboxylic acid (TCA) cycle and valine degradation. In particular, NAD (P) transhydrogenase (NNT) was markedly hyperacetylated at K70 in aged livers, and NMN treatment decreased acetylation intensity without altering protein levels. Acetylation at cytochrome 3a25 (Cyp3a25) at K141 was also greatly increased in aged livers, and NMN treatment totally arrested this increase. Our extensive identification and analysis provide novel insight and potential targets to combat aging and aging-related functional decline.
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38
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Luo C, Yang C, Wang X, Chen Y, Liu X, Deng H. Nicotinamide reprograms adipose cellular metabolism and increases mitochondrial biogenesis to ameliorate obesity. J Nutr Biochem 2022; 107:109056. [DOI: 10.1016/j.jnutbio.2022.109056] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 03/22/2022] [Accepted: 04/06/2022] [Indexed: 11/29/2022]
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39
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Yuan Y, Liang B, Liu XL, Liu WJ, Huang BH, Yang SB, Gao YZ, Meng JS, Li MJ, Ye T, Wang CZ, Hu XK, Xing DM. Targeting NAD+: is it a common strategy to delay heart aging? Cell Death Dis 2022; 8:230. [PMID: 35474295 PMCID: PMC9042931 DOI: 10.1038/s41420-022-01031-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 04/11/2022] [Accepted: 04/12/2022] [Indexed: 12/17/2022]
Abstract
Heart aging is the main susceptible factor to coronary heart disease and significantly increases the risk of heart failure, especially when the aging heart is suffering from ischemia-reperfusion injury. Numerous studies with NAD+ supplementations have suggested its use in anti-aging treatment. However, systematic reviews regarding the overall role of NAD+ in cardiac aging are scarce. The relationship between NAD+ signaling and heart aging has yet to be clarified. This review comprehensively summarizes the current studies on the role of NAD+ signaling in delaying heart aging from the following aspects: the influence of NAD+ supplementations on the aging heart; the relationship and cross-talks between NAD+ signaling and other cardiac aging-related signaling pathways; Importantly, the therapeutic potential of targeting NAD+ in delaying heart aging will be discussed. In brief, NAD+ plays a vital role in delaying heart aging. However, the abnormalities such as altered glucose and lipid metabolism, oxidative stress, and calcium overload could also interfere with NAD+ function in the heart. Therefore, the specific physiopathology of the aging heart should be considered before applying NAD+ supplementations. We believe that this article will help augment our understanding of heart aging mechanisms. In the meantime, it provides invaluable insights into possible therapeutic strategies for preventing age-related heart diseases in clinical settings.
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Affiliation(s)
- Yang Yuan
- Cancer Institute of The Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao, China
| | - Bing Liang
- Cancer Institute of The Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao, China
| | - Xin-Lin Liu
- Cancer Institute of The Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao, China
| | - Wen-Jing Liu
- Cancer Institute of The Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao, China
| | - Bing-Huan Huang
- Cancer Institute of The Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao, China
| | - Shan-Bo Yang
- Cancer Institute of The Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao, China
| | - Yuan-Zhen Gao
- Cancer Institute of The Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao, China
| | - Jing-Sen Meng
- Cancer Institute of The Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao, China
| | - Meng-Jiao Li
- Cancer Institute of The Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao, China
| | - Ting Ye
- Cancer Institute of The Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao, China
| | - Chuan-Zhi Wang
- Cancer Institute of The Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao, China
| | - Xiao-Kun Hu
- Interventional Medicine Center, Affiliated Hospital of Qingdao University, Qingdao, China
| | - Dong-Ming Xing
- Cancer Institute of The Affiliated Hospital of Qingdao University and Qingdao Cancer Institute, Qingdao, China. .,School of Life Sciences, Tsinghua University, Beijing, China.
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40
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Chi DH, Kahyo T, Islam A, Hasan MM, Waliullah ASM, Mamun MA, Nakajima M, Ikoma T, Akita K, Maekawa Y, Sato T, Setou M. NAD + Levels Are Augmented in Aortic Tissue of ApoE -/- Mice by Dietary Omega-3 Fatty Acids. Arterioscler Thromb Vasc Biol 2022; 42:395-406. [PMID: 35139656 DOI: 10.1161/atvbaha.121.317166] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND Maintaining bioenergetic homeostasis provides a means to reduce the risk of cardiovascular events during chronological aging. Nicotinamide adenine dinucleotide (NAD+) acts as a signaling molecule, and its levels were used to govern several biological pathways, for example, promoting angiogenesis by SIRT1 (sirtuin 1)-mediated inhibition of Notch signaling to rejuvenate capillary density of old-aged mice. NAD+ modulation shows promise in the vascular remodeling of endothelial cells. However, NAD+ distribution in atherosclerotic regions remains uncharacterized. Omega-3 polyunsaturated fatty acids consumption, such as docosahexaenoic acid and eicosapentaenoic acid, might increase the abundance of cofactors in blood vessels due to omega-3 polyunsaturated fatty acids metabolism. METHODS Apolipoprotein E-deficient (ApoE-/-) mice were fed a Western diet, and the omega-3 polyunsaturated fatty acids-treated groups were supplemented with docosahexaenoic acid (1%, w/w) or eicosapentaenoic acid (1%, w/w) for 3 weeks. Desorption electrospray ionization mass spectrometry imaging was exploited to detect exogenous and endogenous NAD+ imaging. RESULTS NAD+, NADH, NADP+, NADPH, FAD+, FADH, and nicotinic acid adenine dinucleotide of the aortic arches were detected higher in the omega-3 polyunsaturated fatty acids-treated mice than the nontreated control. Comparing the distribution in the outer and inner layers of the arterial walls, only NADPH was detected slightly higher in the outer part in eicosapentaenoic acid-treated mice. CONCLUSIONS Supplementation of adding docosahexaenoic acid or eicosapentaenoic acid to the Western diet led to a higher NAD+, FAD+, and their metabolites in the aortic arch. Considering the pleiotropic roles of NAD+ in biology, this result serves as a beneficial therapeutic strategy in the animal model counter to pathological conditions.
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Affiliation(s)
- Do Huu Chi
- Department of Cellular and Molecular Anatomy (D.H.C., T.K., A.I., M.M.H., A.S.M.W., M.A.M., M.N., T.S., M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Tomoaki Kahyo
- Department of Cellular and Molecular Anatomy (D.H.C., T.K., A.I., M.M.H., A.S.M.W., M.A.M., M.N., T.S., M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan.,International Mass Imaging Center (T.K., M.N., T.S., M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Ariful Islam
- Department of Cellular and Molecular Anatomy (D.H.C., T.K., A.I., M.M.H., A.S.M.W., M.A.M., M.N., T.S., M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Md Mahmudul Hasan
- Department of Cellular and Molecular Anatomy (D.H.C., T.K., A.I., M.M.H., A.S.M.W., M.A.M., M.N., T.S., M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan
| | - A S M Waliullah
- Department of Cellular and Molecular Anatomy (D.H.C., T.K., A.I., M.M.H., A.S.M.W., M.A.M., M.N., T.S., M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Md Al Mamun
- Department of Cellular and Molecular Anatomy (D.H.C., T.K., A.I., M.M.H., A.S.M.W., M.A.M., M.N., T.S., M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Madoka Nakajima
- Department of Cellular and Molecular Anatomy (D.H.C., T.K., A.I., M.M.H., A.S.M.W., M.A.M., M.N., T.S., M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan.,International Mass Imaging Center (T.K., M.N., T.S., M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Takenori Ikoma
- Department of Internal Medicine (T.I., K.A., Y.M.), Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Keitaro Akita
- Department of Internal Medicine (T.I., K.A., Y.M.), Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Yuichiro Maekawa
- Department of Internal Medicine (T.I., K.A., Y.M.), Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Tomohito Sato
- Department of Cellular and Molecular Anatomy (D.H.C., T.K., A.I., M.M.H., A.S.M.W., M.A.M., M.N., T.S., M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan.,International Mass Imaging Center (T.K., M.N., T.S., M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan
| | - Mitsutoshi Setou
- Department of Cellular and Molecular Anatomy (D.H.C., T.K., A.I., M.M.H., A.S.M.W., M.A.M., M.N., T.S., M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan.,International Mass Imaging Center (T.K., M.N., T.S., M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan.,Department of Systems Molecular Anatomy, Institute for Medical Photonics Research, Preeminent Medical Photonics Education and Research Center (M.S.), Hamamatsu University School of Medicine, Shizuoka, Japan
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Shen TH, Stauber J, Xu K, Jacunski A, Paragas N, Callahan M, Banlengchit R, Levitman AD, Desanti De Oliveira B, Beenken A, Grau MS, Mathieu E, Zhang Q, Li Y, Gopal T, Askanase N, Arumugam S, Mohan S, Good PI, Stevens JS, Lin F, Sia SK, Lin CS, D’Agati V, Kiryluk K, Tatonetti NP, Barasch J. Snapshots of nascent RNA reveal cell- and stimulus-specific responses to acute kidney injury. JCI Insight 2022; 7:e146374. [PMID: 35230973 PMCID: PMC8986083 DOI: 10.1172/jci.insight.146374] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
The current strategy to detect acute injury of kidney tubular cells relies on changes in serum levels of creatinine. Yet serum creatinine (sCr) is a marker of both functional and pathological processes and does not adequately assay tubular injury. In addition, sCr may require days to reach diagnostic thresholds, yet tubular cells respond with programs of damage and repair within minutes or hours. To detect acute responses to clinically relevant stimuli, we created mice expressing Rosa26-floxed-stop uracil phosphoribosyltransferase (Uprt) and inoculated 4-thiouracil (4-TU) to tag nascent RNA at selected time points. Cre-driven 4-TU-tagged RNA was isolated from intact kidneys and demonstrated that volume depletion and ischemia induced different genetic programs in collecting ducts and intercalated cells. Even lineage-related cell types expressed different genes in response to the 2 stressors. TU tagging also demonstrated the transient nature of the responses. Because we placed Uprt in the ubiquitously active Rosa26 locus, nascent RNAs from many cell types can be tagged in vivo and their roles interrogated under various conditions. In short, 4-TU labeling identifies stimulus-specific, cell-specific, and time-dependent acute responses that are otherwise difficult to detect with other technologies and are entirely obscured when sCr is the sole metric of kidney damage.
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Affiliation(s)
| | | | | | - Alexandra Jacunski
- Department of Biomedical Informatics, Columbia University, New York, New York, USA
| | - Neal Paragas
- Department of Medicine, University of Washington, Seattle, Washington, USA
| | | | | | | | | | | | | | | | | | | | | | | | | | - Sumit Mohan
- Department of Medicine, and
- Department of Epidemiology
| | | | | | | | | | - Chyuan-Sheng Lin
- Department of Pathology and Cell Biology, Columbia University, New York, New York, USA
| | - Vivette D’Agati
- Department of Pathology and Cell Biology, Columbia University, New York, New York, USA
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Murugasamy K, Munjal A, Sundaresan NR. Emerging Roles of SIRT3 in Cardiac Metabolism. Front Cardiovasc Med 2022; 9:850340. [PMID: 35369299 PMCID: PMC8971545 DOI: 10.3389/fcvm.2022.850340] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 01/31/2022] [Indexed: 12/17/2022] Open
Abstract
The heart is a highly metabolically active organ that predominantly utilizes fatty acids as an energy substrate. The heart also derives some part of its energy by oxidation of other substrates, including glucose, lactose, amino acids and ketones. The critical feature of cardiac pathology is metabolic remodeling and loss of metabolic flexibility. Sirtuin 3 (SIRT3) is one of the seven mammalian sirtuins (SIRT1 to SIRT7), with NAD+ dependent deacetylase activity. SIRT3 is expressed in high levels in healthy hearts but downregulated in the aged or diseased hearts. Experimental evidence shows that increasing SIRT3 levels or activity can ameliorate several cardiac pathologies. The primary deacetylation targets of SIRT3 are mitochondrial proteins, most of which are involved in energy metabolism. Thus, SIRT3 improves cardiac health by modulating cardiac energetics. In this review, we discuss the essential role of SIRT3 in regulating cardiac metabolism in the context of physiology and pathology. Specifically, we summarize the recent advancements that emphasize the critical role of SIRT3 as a master regulator of cardiac metabolism. We also present a comprehensive view of all known activators of SIRT3, and elaborate on their therapeutic potential to ameliorate energetic abnormalities in various cardiac pathologies.
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Abstract
INTRODUCTION Acute kidney injury (AKI) is a clinically critical disease exhibiting an acute decline in renal function. The lack of an effective prevention and treatment method equates to a high morbidity and mortality rate. Consequently, over the past few decades, many therapeutic drugs with different mechanisms of action have been proposed and gradually applied to the clinic. The involved drug mechanisms evaluated have included hemodynamic modulation, anti-inflammatory, antioxidant, repair agents, metabolic derangement and mitochondrial function. AREAS COVERED The authors of this review provide the reader with a reference point for the latest advances in pharmacotherapy in acute kidney injury. This is achieved by the evaluation of the latest data collected on potential therapeutic drugs with different mechanisms of action, as well as their preclinical and clinical impact on AKI. EXPERT OPINION Presently, the vast majority of drugs are still in clinical development, which is a huge challenge. Nevertheless, in addition to current chemical drugs and gene therapy strategies, the advent of mesenchymal stem cell treatments and other emerging pharmaceutical strategies could enable clinicians to better treat AKI. Due to the nonselective distribution and low bioavailability of some of the latest pharmaceutical strategies, there is hope that these treatment options may provide more efficacious avenues.
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Affiliation(s)
- Yali Xu
- Department of Pharmacy, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Ping Zou
- Department of Pharmacy, The Central Hospital of Wuhan, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiaojing Cao
- Department of Pharmacy, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
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Liu S, Yuan Y, Xue Y, Xing C, Zhang B. Podocyte Injury in Diabetic Kidney Disease: A Focus on Mitochondrial Dysfunction. Front Cell Dev Biol 2022; 10:832887. [PMID: 35321238 PMCID: PMC8935076 DOI: 10.3389/fcell.2022.832887] [Citation(s) in RCA: 15] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Accepted: 02/07/2022] [Indexed: 12/18/2022] Open
Abstract
Podocytes are a crucial cellular component in maintaining the glomerular filtration barrier, and their injury is the major determinant in the development of albuminuria and diabetic kidney disease (DKD). Podocytes are rich in mitochondria and heavily dependent on them for energy to maintain normal functions. Emerging evidence suggests that mitochondrial dysfunction is a key driver in the pathogenesis of podocyte injury in DKD. Impairment of mitochondrial function results in an energy crisis, oxidative stress, inflammation, and cell death. In this review, we summarize the recent advances in the molecular mechanisms that cause mitochondrial damage and illustrate the impact of mitochondrial injury on podocytes. The related mitochondrial pathways involved in podocyte injury in DKD include mitochondrial dynamics and mitophagy, mitochondrial biogenesis, mitochondrial oxidative phosphorylation and oxidative stress, and mitochondrial protein quality control. Furthermore, we discuss the role of mitochondria-associated membranes (MAMs) formation, which is intimately linked with mitochondrial function in podocytes. Finally, we examine the experimental evidence exploring the targeting of podocyte mitochondrial function for treating DKD and conclude with a discussion of potential directions for future research in the field of mitochondrial dysfunction in podocytes in DKD.
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Affiliation(s)
- Simeng Liu
- Department of Nephrology, The First Affiliated Hospital of Nanjing Medical University, Nanjing Medical University, Nanjing, China
| | - Yanggang Yuan
- Department of Nephrology, The First Affiliated Hospital of Nanjing Medical University, Nanjing Medical University, Nanjing, China
| | - Yi Xue
- Suzhou Hospital of Integrated Traditional Chinese and Western Medicine, Suzhou, China
| | - Changying Xing
- Department of Nephrology, The First Affiliated Hospital of Nanjing Medical University, Nanjing Medical University, Nanjing, China
- *Correspondence: Changying Xing, ; Bo Zhang,
| | - Bo Zhang
- Department of Nephrology, The First Affiliated Hospital of Nanjing Medical University, Nanjing Medical University, Nanjing, China
- Department of Nephrology, Pukou Branch of JiangSu Province Hospital (Nanjing Pukou Central Hospital), Nanjing, China
- *Correspondence: Changying Xing, ; Bo Zhang,
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45
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An N, Zhang G, Li Y, Yuan C, Yang F, Zhang L, Gao Y, Xing Y. Promising Antioxidative Effect of Berberine in Cardiovascular Diseases. Front Pharmacol 2022; 13:865353. [PMID: 35321323 PMCID: PMC8936808 DOI: 10.3389/fphar.2022.865353] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2022] [Accepted: 02/15/2022] [Indexed: 12/12/2022] Open
Abstract
Berberine (BBR), an important quaternary benzylisoquinoline alkaloid, has been used in Chinese traditional medicine for over 3,000 years. BBR has been shown in both traditional and modern medicine to have a wide range of pharmacological actions, including hypoglycemic, hypolipidemic, anti-obesity, hepatoprotective, anti-inflammatory, and antioxidant activities. The unregulated reaction chain induced by oxidative stress as a crucial mechanism result in myocardial damage, which is involved in the pathogenesis and progression of many cardiovascular diseases (CVDs). Numerous researches have established that BBR protects myocardium and may be beneficial in the treatment of CVDs. Given that the pivotal role of oxidative stress in CVDs, the pharmacological effects of BBR in the treatment and/or management of CVDs have strongly attracted the attention of scholars. Therefore, this review sums up the prevention and treatment mechanisms of BBR in CVDs from in vitro, in vivo, and finally to the clinical field trials timely. We summarized the antioxidant stress of BBR in the management of coronary atherosclerosis and myocardial ischemia/reperfusion; it also analyzes the pathogenesis of oxidative stress in arrhythmia and heart failure and the therapeutic effects of BBR. In short, BBR is a hopeful drug candidate for the treatment of CVDs, which can intervene in the process of CVDs from multiple angles and different aspects. Therefore, if we want to apply it to the clinic on a large scale, more comprehensive, intensive, and detailed researches are needed to be carried out to clarify the molecular mechanism and targets of BBR.
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Affiliation(s)
- Na An
- Guang’anmen Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China
- Key Laboratory of Chinese Internal Medicine of Ministry of Education, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
| | - Guoxia Zhang
- Guang’anmen Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China
| | - Yingjian Li
- Beijing Anzhen Hospital, Capital Medical University, Beijing, China
| | - Chao Yuan
- Dezhou Second People’s Hospital, Dezhou, China
| | - Fan Yang
- Guang’anmen Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China
| | - Lijing Zhang
- Department of Cardiology, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Lijing Zhang, ; Yonghong Gao, ; Yanwei Xing,
| | - Yonghong Gao
- Key Laboratory of Chinese Internal Medicine of Ministry of Education, Dongzhimen Hospital, Beijing University of Chinese Medicine, Beijing, China
- *Correspondence: Lijing Zhang, ; Yonghong Gao, ; Yanwei Xing,
| | - Yanwei Xing
- Guang’anmen Hospital, Chinese Academy of Chinese Medical Sciences, Beijing, China
- *Correspondence: Lijing Zhang, ; Yonghong Gao, ; Yanwei Xing,
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46
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Pei Z, Wang F, Wang K, Wang L. Nicotinamide Adenine Dinucleotide in the Development and Treatment of Cardiac Remodeling and Aging. Mini Rev Med Chem 2022; 22:2310-2317. [DOI: 10.2174/1389557522666220304121917] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2021] [Revised: 10/25/2021] [Accepted: 01/14/2022] [Indexed: 11/22/2022]
Abstract
Background:
Recently, the beneficial effects of nicotinamide adenine dinucleotide (NAD+) as an antiaging and antioxidant molecule have become a focus of research. However, the mechanisms by which NAD+ supplementation affects the associated metabolites under physiological conditions remain unclear. Specifically, although NAD+ is involved in several processes that are dysregulated in cardiovascular diseases, some effects of NAD+ precursors and NAD+ on cardiac diseases have started to gain recognition only recently.
Objective:
To discuss the influence of NAD+ supplementation on adverse cardiac remodeling and aging.
Results:
Supplementation with NAD+ precursors or nicotinamide riboside, which enhances or supplements the NAD+ metabolome, might have a protective effect on the heart. NAD+ can alleviate chronic heart failure via a mitochondrial oxidation–reduction (redox) state mechanism. Furthermore, NAD+ replenishment can improve the life span of mice.
Conclusion:
NAD+ exerts considerable antiaging and antioxidant effects with promising therapeutic effects. However, its effect in humans and use as a dietary supplement need to be studied further.
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Affiliation(s)
- Zuowei Pei
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, No. 1 Dahua Road, Dong Dan, Beijing 100730, P. R. China
| | - Fang Wang
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, Institute of Geriatric Medicine, Chinese Academy of Medical Sciences, No. 1 Dahua Road, Dong Dan, Beijing 100730, P. R. China
| | - Kanglin Wang
- Hefei Knature Bio-pharm Co., Ltd., No. 32 Meichong Lake Road, Hefei, P. R. China
| | - Lei Wang
- Hefei Knature Bio-pharm Co., Ltd., No. 32 Meichong Lake Road, Hefei, P. R. China
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47
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Sharma R, Sharma S, Thakur A, Singh A, Singh J, Nepali K, Liou JP. The Role of Epigenetic Mechanisms in Autoimmune, Neurodegenerative, Cardiovascular, and Imprinting Disorders. Mini Rev Med Chem 2022; 22:1977-2011. [PMID: 35176978 DOI: 10.2174/1389557522666220217103441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/01/2021] [Accepted: 11/11/2021] [Indexed: 11/22/2022]
Abstract
Epigenetic mutations like aberrant DNA methylation, histone modifications, or RNA silencing are found in a number of human diseases. This review article discusses the epigenetic mechanisms involved in neurodegenerative disorders, cardiovascular disorders, auto-immune disorder, and genomic imprinting disorders. In addition, emerging epigenetic therapeutic strategies for the treatment of such disorders are presented. Medicinal chemistry campaigns highlighting the efforts of the chemists invested towards the rational design of small molecule inhibitors have also been included. Pleasingly, several classes of epigenetic inhibitors, DNMT, HDAC, BET, HAT, and HMT inhibitors along with RNA based therapies have exhibited the potential to emerge as therapeutics in the longer run. It is quite hopeful that epigenetic modulator-based therapies will advance to clinical stage investigations by leaps and bounds.
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Affiliation(s)
- Ram Sharma
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Sachin Sharma
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Amandeep Thakur
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Arshdeep Singh
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Jagjeet Singh
- School of Pharmacy, University of Queensland, Brisbane, QLD, Australia.,Department of Pharmacy, Rayat-Bahara Group of Institutes, Hoshiarpur, India
| | - Kunal Nepali
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
| | - Jing Ping Liou
- School of Pharmacy, College of Pharmacy, Taipei Medical University, Taipei, Taiwan
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48
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He S, Gao Q, Wu X, Shi J, Zhang Y, Yang J, Li X, Du S, Zhang Y, Yu J. NAD + ameliorates endotoxin-induced acute kidney injury in a sirtuin1-dependent manner via GSK-3β/Nrf2 signalling pathway. J Cell Mol Med 2022; 26:1979-1993. [PMID: 35137552 PMCID: PMC8980955 DOI: 10.1111/jcmm.17222] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2021] [Revised: 01/11/2022] [Accepted: 01/21/2022] [Indexed: 12/22/2022] Open
Abstract
Acute kidney injury (AKI) is a substantial worldwide public health concern with no specific and effective therapies in clinic. NAD+ is a pivotal determinant of cellular energy metabolism involved in the progression of AKI; however, its mechanism in kidney injury remains poorly understood. Sirtuin 1 (SIRT1) is an NAD+‐dependent deacetylase associated with renal protection and acute stress resistance. In this study, we have investigated the role of NAD+ in AKI and the potential mechanism(s) involved in its renoprotective effect. NAD+ was notably decreased and negatively correlated with kidney dysfunction in AKI, restoring NAD+ with NMN significantly ameliorates LPS‐induced oxidative stress and apoptosis and attenuates renal damage. We also found that the protection of NAD+ is associated with SIRT1 expressions and performs in a SIRT1‐dependent manner. Inhibition of SIRT1 blunted the protective effect of NAD+ and up‐regulated the activity of glycogen synthase kinase‐3β (GSK‐3β) that was concomitant with mitigated Nrf2 nuclear accumulation, thereby exacerbates AKI. These findings suggest that NAD+/SIRT1/GSK‐3β/Nrf2 axis is an important mechanism that can protect against AKI which might be a potential therapeutic target for the treatment of AKI.
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Affiliation(s)
- Simeng He
- School of Medicine, Nankai University, Tianjin, China
| | - Qiaoying Gao
- Tianjin key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Institute of Acute Abdominal Diseases of Integrated Traditional Chinese and Western Medicine, Tianjin Nankai Hospital, Tianjin, China
| | - Xiaoyang Wu
- School of Medicine, Nankai University, Tianjin, China
| | - Jia Shi
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Yuan Zhang
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Jing Yang
- Tianjin key Laboratory of Acute Abdomen Disease Associated Organ Injury and ITCWM Repair, Institute of Acute Abdominal Diseases of Integrated Traditional Chinese and Western Medicine, Tianjin Nankai Hospital, Tianjin, China
| | - Xiangyun Li
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Shihan Du
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Yanfang Zhang
- Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
| | - Jianbo Yu
- School of Medicine, Nankai University, Tianjin, China.,Department of Anesthesiology and Critical Care Medicine, Tianjin Nankai Hospital, Tianjin Medical University, Tianjin, China
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49
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Zhu C, Gu H, Jin Y, Wurm D, Freidhof B, Lu Y, Chen QM. Metabolomics of oxidative stress: Nrf2 independent depletion of NAD or increases of sugar alcohols. Toxicol Appl Pharmacol 2022; 442:115949. [PMID: 35227738 DOI: 10.1016/j.taap.2022.115949] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 02/16/2022] [Accepted: 02/22/2022] [Indexed: 01/07/2023]
Abstract
Nrf2 encodes a transcription factor best known for regulating the expression of antioxidant and detoxification genes. Recent evidence suggested that Nrf2 mediates metabolic reprogramming in cancer cells. However, the role of Nrf2 in the biochemical metabolism of cardiac cells has not been studied. Using LC-MS/MS-based metabolomics, we addressed whether knocking out the Nrf2 gene in AC16 human cardiomyocytes affects metabolic reprogramming by oxidative stress. Profiling the basal level metabolites showed an elevated pentose phosphate pathway and increased levels of sugar alcohols, sorbitol, L-arabitol, xylitol and xylonic acid, in Nrf2 KO cells. With sublethal levels of oxidative stress, depletion of NAD, an increase of GDP and elevation of sugar alcohols, sorbitol and dulcitol, were detected in parent wild type (WT) cells. Knocking out Nrf2 did not affect these changes. Biochemical assays confirmed depletion of NAD in WT and Nrf2 KO cells due to H2O2 treatment. These data support that although Nrf2 deficiency caused baseline activation of the pentose phosphate pathway and sugar alcohol synthesis, a brief exposure to none-lethal doses of H2O2 caused NAD depletion in an Nrf2 independent manner. Loss of NAD may contribute to oxidative stress associated cell degeneration as observed with aging, diabetes and heart failure.
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50
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Wu D, Yang Y, Hou Y, Zhao Z, Liang N, Yuan P, Yang T, Xing J, Li J. Increased mitochondrial fission drives the reprogramming of fatty acid metabolism in hepatocellular carcinoma cells through suppression of Sirtuin 1. Cancer Commun (Lond) 2022; 42:37-55. [PMID: 34981667 PMCID: PMC8753313 DOI: 10.1002/cac2.12247] [Citation(s) in RCA: 45] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2021] [Revised: 09/24/2021] [Accepted: 12/06/2021] [Indexed: 01/16/2023] Open
Abstract
Background Mitochondria are dynamic organelles that constantly change their morphology through fission and fusion processes. Recently, abnormally increased mitochondrial fission has been observed in several types of cancer. However, the functional roles of increased mitochondrial fission in lipid metabolism reprogramming in cancer cells remain unclear. This study aimed to explore the role of increased mitochondrial fission in lipid metabolism in hepatocellular carcinoma (HCC) cells. Methods Lipid metabolism was determined by evaluating the changes in the expressions of core lipid metabolic enzymes and intracellular lipid content. The rate of fatty acid oxidation was evaluated by [3H]‐labelled oleic acid. The mitochondrial morphology in HCC cells was evaluated by fluorescent staining. The expression of protein was determined by real‐time PCR, iimmunohistochemistry and Western blotting. Results Activation of mitochondrial fission significantly promoted de novo fatty acid synthesis in HCC cells through upregulating the expression of lipogenic genes fatty acid synthase (FASN), acetyl‐CoA carboxylase1 (ACC1), and elongation of very long chain fatty acid protein 6 (ELOVL6), while suppressed fatty acid oxidation by downregulating carnitine palmitoyl transferase 1A (CPT1A) and acyl‐CoA oxidase 1 (ACOX1). Consistently, suppressed mitochondrial fission exhibited the opposite effects. Moreover, in vitro and in vivo studies revealed that mitochondrial fission‐induced lipid metabolism reprogramming significantly promoted the proliferation and metastasis of HCC cells. Mechanistically, mitochondrial fission increased the acetylation level of sterol regulatory element‐binding protein 1 (SREBP1) and peroxisome proliferator‐activated receptor coactivator 1 alpha (PGC‐1α) by suppressing nicotinamide adenine dinucleotide (NAD+)/Sirtuin 1 (SIRT1) signaling. The elevated SREBP1 then upregulated the expression of FASN, ACC1 and ELOVL6 in HCC cells, while PGC‐1α/PPARα suppressed the expression of CPT1A and ACOX1. Conclusions Increased mitochondrial fission plays a crucial role in the reprogramming of lipid metabolism in HCC cells, which provides strong evidence for the use of this process as a drug target in the treatment of this malignancy.
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Affiliation(s)
- Dan Wu
- Department of Physiology and Pathophysiology, State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, P. R. China
| | - Yi Yang
- Department of Pain Treatment, Tangdu Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, P. R. China
| | - Yiran Hou
- Department of Physiology and Pathophysiology, State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, P. R. China
| | - Zifeng Zhao
- Department of Pain Treatment, Tangdu Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, P. R. China
| | - Ning Liang
- Department of General Surgery, Tangdu Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710038, P. R. China
| | - Peng Yuan
- Department of Physiology and Pathophysiology, State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, P. R. China.,Department of Pain Treatment, Tangdu Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, P. R. China
| | - Tao Yang
- Department of Pain Treatment, Tangdu Hospital, Fourth Military Medical University, Xi'an, Shaanxi, 710032, P. R. China
| | - Jinliang Xing
- Department of Physiology and Pathophysiology, State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, P. R. China
| | - Jibin Li
- Department of Physiology and Pathophysiology, State Key Laboratory of Cancer Biology, Fourth Military Medical University, Xi'an, Shaanxi, 710032, P. R. China.,Experimental Teaching Center of Basic Medicine, Fourth Military Medical University, Xi'an, Shaanxi, 710038, P. R. China
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