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Song J, Zou G, Zhao Z, Zhu Y, Xue J, Ao L, Sun H, Hao H, Zhang B, Xu X. Discovery of proqodine A derivatives with antitumor activity targeting NAD(P)H: quinone oxidoreductase 1 and nicotinamide phosphoribosyltransferase. Chin J Nat Med 2024; 22:75-88. [PMID: 38278561 DOI: 10.1016/s1875-5364(24)60564-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2023] [Indexed: 01/28/2024]
Abstract
NAD(P)H: quinone oxidoreductase 1 (NQO1) is a flavin protease highly expressed in various cancer cells. NQO1 catalyzes a futile redox cycle in substrates, leading to substantial reactive oxygen species (ROS) production. This ROS generation results in extensive DNA damage and elevated poly (ADP-ribose) polymerase 1 (PARP1)-mediated consumption of nicotinamide adenine dinucleotide (NAD+), ultimately causing cell death. Nicotinamide phosphoribosyltransferase (NAMPT), the rate-limiting enzyme in the NAD+ salvage synthesis pathway, emerges as a critical target in cancer therapy. The concurrent inhibition of NQO1 and NAMPT triggers hyperactivation of PARP1 and intensive NAD+ depletion. In this study, we designed, synthesized, and assessed a novel series of proqodine A derivatives targeting both NQO1 and NAMPT. Among these, compound T8 demonstrated potent antitumor properties. Specifically, T8 selectively inhibited the proliferation of MCF-7 cells and induced apoptosis through mechanisms dependent on both NQO1 and NAMPT. This discovery offers a promising new molecular entity for advancing anticancer research.
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Affiliation(s)
- Jiangzhou Song
- State Key Laboratory of Natural Medicines, Key Lab of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China
| | - Guiqing Zou
- State Key Laboratory of Natural Medicines, Key Lab of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China; State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China
| | - Zhou Zhao
- State Key Laboratory of Natural Medicines, Key Lab of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China
| | - Ya Zhu
- State Key Laboratory of Natural Medicines, Key Lab of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China
| | - Jiayu Xue
- State Key Laboratory of Natural Medicines, Key Lab of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China
| | - Lanjia Ao
- State Key Laboratory of Natural Medicines, Key Lab of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China
| | - Huiyong Sun
- State Key Laboratory of Natural Medicines, Key Lab of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China
| | - Haiping Hao
- State Key Laboratory of Natural Medicines, Key Lab of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China.
| | - Bo Zhang
- State Key Laboratory of Natural Medicines, China Pharmaceutical University, Nanjing 210009, China.
| | - Xiaowei Xu
- State Key Laboratory of Natural Medicines, Key Lab of Drug Metabolism and Pharmacokinetics, China Pharmaceutical University, Nanjing 210009, China.
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2
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Umar MI, Hassan W, Murtaza G, Buabeid M, Arafa E, Irfan HM, Asmawi MZ, Huang X. The Adipokine Component in the Molecular Regulation of Cancer Cell Survival, Proliferation and Metastasis. Pathol Oncol Res 2021; 27:1609828. [PMID: 34588926 PMCID: PMC8473628 DOI: 10.3389/pore.2021.1609828] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/01/2021] [Accepted: 07/09/2021] [Indexed: 12/22/2022]
Abstract
A hormonal imbalance may disrupt the rigorously monitored cellular microenvironment by hampering the natural homeostatic mechanisms. The most common example of such hormonal glitch could be seen in obesity where the uprise in adipokine levels is in virtue of the expanding bulk of adipose tissue. Such aberrant endocrine signaling disrupts the regulation of cellular fate, rendering the cells to live in a tumor supportive microenvironment. Previously, it was believed that the adipokines support cancer proliferation and metastasis with no direct involvement in neoplastic transformations and tumorigenesis. However, the recent studies have reported discrete mechanisms that establish the direct involvement of adipokine signaling in tumorigenesis. Moreover, the individual adipokine profile of the patients has never been considered in the prognosis and staging of the disease. Hence, the present manuscript has focused on the reported extensive mechanisms that culminate the basis of poor prognosis and diminished survival rate in obese cancer patients.
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Affiliation(s)
| | - Waseem Hassan
- Department of Pharmacy, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
| | - Ghulam Murtaza
- Department of Pharmacy, COMSATS University Islamabad, Lahore Campus, Lahore, Pakistan
| | - Manal Buabeid
- Department of Clinical Sciences, Ajman University, Ajman, United Arab Emirates.,Medical and Bio-allied Health Sciences Research Centre, Ajman University, Ajman, United Arab Emirates
| | - Elshaimaa Arafa
- Department of Clinical Sciences, Ajman University, Ajman, United Arab Emirates.,Medical and Bio-allied Health Sciences Research Centre, Ajman University, Ajman, United Arab Emirates
| | | | - Mohd Zaini Asmawi
- School of Pharmaceutical Sciences, University of Science Malaysia, Pulau Pinang, Malaysia
| | - Xianju Huang
- College of Pharmacy, South-Central University for Nationalities, Wuhan, China
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3
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Salvator H, Grassin-Delyle S, Naline E, Brollo M, Fournier C, Couderc LJ, Devillier P. Contrasting Effects of Adipokines on the Cytokine Production by Primary Human Bronchial Epithelial Cells: Inhibitory Effects of Adiponectin. Front Pharmacol 2020; 11:56. [PMID: 32132922 PMCID: PMC7040162 DOI: 10.3389/fphar.2020.00056] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Accepted: 01/22/2020] [Indexed: 12/15/2022] Open
Abstract
Background Obesity is associated with an elevated risk of respiratory infections and inflammatory lung diseases. The objective was to investigate (i) the effects of adipokines (adiponectin (APN), leptin, chemerin, and visfatin) on the production of cytokines by unstimulated and poly(I:C)- and TNF-α-activated human primary bronchial epithelial cells (hBECs), (ii) the cells’ expression of the APN receptors (AdipoR1 and AdipoR2), and (iii) the cells' production of APN. Methods The hBECs were isolated from patients undergoing surgery for lung carcinoma. The cells were then cultured with human recombinant adipokines in the absence or presence of TNF-α or poly(I:C) for 24 h. Supernatant levels of cytokines (IL-6, CCL2, CCL5, CCL20, CXCL1, CXCL8) and APN were measured using ELISAs. The mRNA levels of AdipoR1 and AdipoR2 in hBECs were determined using a real-time quantitative PCR. Results Of the four adipokines tested, only APN significantly influenced the basal production and the TNF-α poly(I:C)-induced production of cytokines by hBECs. APN (3-30 µg.ml-1) was associated with greater basal production of IL-6, CCL20, and CXCL8, lower basal production of CCL2 and CXCL1 and no difference in CCL5 production. APN inhibited the poly(I:C)-induced production of these five cytokines and the TNF-α-induced production of CCL2 and CXCL1. AdipoR1 and AdipoR2 were both expressed in hBECs. In contrast to human bronchial explants, isolated hBECs did not produce APN. Conclusions The APN concentrations are abnormally low in obese individuals, and this fall may contribute to the susceptibility to viral lung infections and the severity of these infections in obese individuals.
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Affiliation(s)
- Hélène Salvator
- Laboratory of Research in Respiratory Pharmacology-UPRES EA220, UFR Sciences de la Santé Simone Veil, Université Paris-Saclay, Suresnes, France.,Department of Respiratory Diseases, Hôpital Foch, Suresnes, France
| | - Stanislas Grassin-Delyle
- Department of Respiratory Diseases, Hôpital Foch, Suresnes, France.,Mass Spectrometry Platform & INSERM UMR1173, UFR Sciences de la Santé Simone Veil, Université Versailles Saint Quentin en Yvelines, Université Paris-Saclay, Montigny-le-Bretonneux, France
| | - Emmanuel Naline
- Laboratory of Research in Respiratory Pharmacology-UPRES EA220, UFR Sciences de la Santé Simone Veil, Université Paris-Saclay, Suresnes, France.,Department of Respiratory Diseases, Hôpital Foch, Suresnes, France
| | - Marion Brollo
- Laboratory of Research in Respiratory Pharmacology-UPRES EA220, UFR Sciences de la Santé Simone Veil, Université Paris-Saclay, Suresnes, France
| | - Caroline Fournier
- Laboratory of Research in Respiratory Pharmacology-UPRES EA220, UFR Sciences de la Santé Simone Veil, Université Paris-Saclay, Suresnes, France
| | - Louis-Jean Couderc
- Laboratory of Research in Respiratory Pharmacology-UPRES EA220, UFR Sciences de la Santé Simone Veil, Université Paris-Saclay, Suresnes, France.,Department of Respiratory Diseases, Hôpital Foch, Suresnes, France
| | - Philippe Devillier
- Laboratory of Research in Respiratory Pharmacology-UPRES EA220, UFR Sciences de la Santé Simone Veil, Université Paris-Saclay, Suresnes, France.,Department of Respiratory Diseases, Hôpital Foch, Suresnes, France
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4
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Yu A, Zhou R, Xia B, Dang W, Yang Z, Chen X. NAMPT maintains mitochondria content via NRF2-PPARα/AMPKα pathway to promote cell survival under oxidative stress. Cell Signal 2019; 66:109496. [PMID: 31816398 DOI: 10.1016/j.cellsig.2019.109496] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 12/05/2019] [Accepted: 12/05/2019] [Indexed: 12/22/2022]
Abstract
Mitochondria plays a key role in regulating cell death process under stress conditions and it has been indicated that NAMPT overexpression promotes cell survival under genotoxic stress by maintaining mitochondrial NAD+ level. NAMPT is a rate-limiting enzyme for NAD+ production in mammalian cells and it was suggested that NAMPT and NMNAT3 are responsible for mitochondrial NAD+ production to maintain mitochondrial NAD+ pool. However, subsequent studies suggested mitochondrial may lack the NAMPT-NMANT3 pathway to maintain NAD+ level. Therefore, how NAMPT overexpression rescues mitochondrial NAD+ content to promote cell survival in response to genotoxic stress remains elusive. Here, we show that NAMPT promotes cell survival under oxidative stress via both SIRT1 dependent p53-CD38 pathway and SIRT1 independent NRF2-PPARα/AMPKα pathway, and the NRF2-PPARα/AMPKα pathway plays a more profound role in facilitating cell survival than the SIRT1-p53-CD38 pathway does. Mitochondrial content and membrane potential were significantly reduced in response to H2O2 treatment, whereas activated NRF2-PPARα/AMPKα pathway by NAMPT overexpression rescued the mitochondrial membrane potential and content, suggesting that maintained mitochondrial content and integrity by NAMPT overexpression might be one of the key mechanisms to maintain mitochondrial NAD+ level and subsequently dictate cell survival under oxidative stress. Our results indicated that NRF2 is a novel down-stream target of NAMPT, which mediates anti-apoptosis function of NAMPT via maintaining mitochondrial content and membrane potential.
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Affiliation(s)
- An Yu
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China; Huffington Center on Aging, Baylor College of Medicine, Houston, TX 77030, USA
| | - Ronghua Zhou
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Benzeng Xia
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Weiwei Dang
- Huffington Center on Aging, Baylor College of Medicine, Houston, TX 77030, USA
| | - Zaiqing Yang
- College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, PR China
| | - Xiaodong Chen
- Key Laboratory of Agricultural Animal Genetics, Breeding and Reproduction of Ministry of Education, College of Animal Science and Technology, College of Veterinary Medicine, Huazhong Agricultural University, Wuhan 430070, PR China.
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5
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Audrito V, Managò A, Gaudino F, Deaglio S. Targeting metabolic reprogramming in metastatic melanoma: The key role of nicotinamide phosphoribosyltransferase (NAMPT). Semin Cell Dev Biol 2019; 98:192-201. [PMID: 31059816 DOI: 10.1016/j.semcdb.2019.05.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2019] [Revised: 05/02/2019] [Accepted: 05/02/2019] [Indexed: 12/13/2022]
Abstract
Cancer cells rewire their metabolism to support proliferation, growth and survival. In metastatic melanoma the BRAF oncogenic pathway is a master regulator of this process, highlighting the importance of metabolic reprogramming in the pathogenesis of this tumor and offering potential therapeutic approaches. Metabolic adaptation of melanoma cells generally requires increased amounts of NAD+, an essential redox cofactor in cellular metabolism and a signaling molecule. Nicotinamide phosphoribosyltransferase (NAMPT) is the most important NAD+ biosynthetic enzyme in mammalian cells and a direct target of the BRAF oncogenic signaling pathway. These findings suggest that NAMPT is an attractive new therapeutic target, particularly in combination strategies with BRAF or MEK inhibitors. Here we review current knowledge on how oncogenic signaling reprograms metabolism in BRAF-mutated melanoma, and discuss how NAMPT/NAD+ axis contributes to these processes. Lastly, we present evidence supporting a role of NAMPT as a novel therapeutic target in metastatic melanoma.
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Affiliation(s)
- Valentina Audrito
- Department of Medical Sciences, University of Turin, Turin, Italy; Italian Institute for Genomic Medicine, Turin, Italy.
| | - Antonella Managò
- Department of Medical Sciences, University of Turin, Turin, Italy; Italian Institute for Genomic Medicine, Turin, Italy
| | - Federica Gaudino
- Department of Medical Sciences, University of Turin, Turin, Italy; Italian Institute for Genomic Medicine, Turin, Italy
| | - Silvia Deaglio
- Department of Medical Sciences, University of Turin, Turin, Italy; Italian Institute for Genomic Medicine, Turin, Italy.
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6
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NAD + metabolism governs the proinflammatory senescence-associated secretome. Nat Cell Biol 2019; 21:397-407. [PMID: 30778219 PMCID: PMC6448588 DOI: 10.1038/s41556-019-0287-4] [Citation(s) in RCA: 222] [Impact Index Per Article: 44.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Accepted: 01/15/2019] [Indexed: 12/13/2022]
Abstract
Cellular senescence is a stable growth arrest that is implicated in tissue ageing and cancer. Senescent cells are characterized by an upregulation of proinflammatory cytokines, which is termed the senescence-associated secretory phenotype (SASP). NAD+ metabolism influences both tissue ageing and cancer. However, the role of NAD+ metabolism in regulating the SASP is poorly understood. Here we show that nicotinamide phosphoribosyltransferase (NAMPT), the rate-limiting enzyme of the NAD+ salvage pathway, governs the proinflammatory SASP independent of senescence-associated growth arrest. NAMPT is regulated by HMGAs during senescence. The HMGAs/NAMPT/NAD+ signaling axis promotes the proinflammatory SASP through enhancing glycolysis and mitochondrial respiration. HMGAs/NAMPT promotes the proinflammatory SASP through NAD+-mediated suppression of AMPK kinase, which suppresses p53-mediated inhibition of p38MAPK to enhance NFκb activity. We conclude that NAD+ metabolism governs the proinflammatory SASP. Given the tumor-promoting effects of the proinflammatory SASP, our results suggest that anti-ageing dietary NAD+ augmentation should be administered with precision.
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Ashraf H, Soltani D, Sobh-Rakhshankhah A, Jafari S, Boroumand MA, Goudarzi V, Vasheghani Farahani A, Masoudkabir F. Visfatin as marker of isolated coronary artery ectasia and its severity. Cytokine 2018; 113:216-220. [PMID: 30001864 DOI: 10.1016/j.cyto.2018.07.007] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Revised: 06/13/2018] [Accepted: 07/04/2018] [Indexed: 11/24/2022]
Abstract
Several studies have demonstrated the relationship between visfatin and increased risk of diseases caused by inflammation, however, the relationship between visfatin and coronary artery ectasia (CAE) is still unknown. The aim of our study is to investigate the association between serum visfatin with presence of coronary ectasia and its severity. We enrolled 85 individuals including 35 CAE patients (mean age: 58.40 ± 9.82 years) and 50 control persons (mean age: 53.24 ± 8.81 years). These participants underwent some biochemical tests including visfatin, fasting blood glucose and lipid profiles. In univariate analysis, the serum level of visfatin was significantly associated with ectasia in all patients with CAE and CAD coexisting with CAE groups, but a trend toward significance in isolated CAE group. In multivariate analysis, visfatin showed independently significant association with presence of ectasia in all patients with ectasia and in CAD coexisting with ectasia groups, but not significant in isolated CAE group. Visfatin was also independently associated with severity of ectasia according to MARKIS classification. We conclude that visfatin independently can be the useful predictor for the presence and severity of coronary ectasia.
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Affiliation(s)
- Haleh Ashraf
- Cardiac Primary Prevention Research Center (CPPRC), Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Danesh Soltani
- Students' Scientific Research Center (SSRC), Tehran University of Medical Sciences, Tehran, Iran
| | - Amir Sobh-Rakhshankhah
- Cardiac Primary Prevention Research Center (CPPRC), Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Samira Jafari
- Cardiac Primary Prevention Research Center (CPPRC), Tehran University of Medical Sciences, Tehran, Iran
| | - Mohammad Ali Boroumand
- Department of Pathology and Laboratory Medicine, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.
| | - Vina Goudarzi
- Students' Scientific Research Center (SSRC), Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Vasheghani Farahani
- Cardiac Primary Prevention Research Center (CPPRC), Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran.
| | - Farzad Masoudkabir
- Cardiac Primary Prevention Research Center (CPPRC), Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran; Department of Cardiology, Tehran Heart Center, Tehran University of Medical Sciences, Tehran, Iran
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8
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Bi G, Wu L, Huang P, Islam S, Heruth DP, Zhang LQ, Li DY, Sampath V, Huang W, Simon BA, Easley RB, Ye SQ. Up-regulation of SFTPB expression and attenuation of acute lung injury by pulmonary epithelial cell-specific NAMPT knockdown. FASEB J 2018; 32:3583-3596. [PMID: 29452569 PMCID: PMC5998971 DOI: 10.1096/fj.201701059r] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 01/22/2018] [Indexed: 12/11/2022]
Abstract
Although a deficiency of surfactant protein B (SFTPB) has been associated with lung injury, SFTPB expression has not yet been linked with nicotinamide phosphoribosyltransferase (NAMPT), a potential biomarker of acute lung injury (ALI). The effects of Nampt in the pulmonary epithelial cell on both SFTPB expression and lung inflammation were investigated in a LPS-induced ALI mouse model. Pulmonary epithelial cell-specific knockdown of Nampt gene expression, achieved by the crossing of Nampt gene exon 2 floxed mice with mice expressing epithelial-specific transgene Cre or by the use of epithelial-specific expression of anti-Nampt antibody cDNA, significantly attenuated LPS-induced ALI. Knockdown of Nampt expression was accompanied by lower levels of bronchoalveolar lavage (BAL) neutrophil infiltrates, total protein and TNF-α levels, as well as lower lung injury scores. Notably, Nampt knockdown was also associated with significantly increased BAL SFTPB levels relative to the wild-type control mice. Down-regulation of NAMPT increased the expression of SFTPB and rescued TNF-α-induced inhibition of SFTPB, whereas overexpression of NAMPT inhibited SFTPB expression in both H441 and A549 cells. Inhibition of NAMPT up-regulated SFTPB expression by enhancing histone acetylation to increase its transcription. Additional data indicated that these effects were mainly mediated by NAMPT nonenzymatic function via the JNK pathway. This study shows that pulmonary epithelial cell-specific knockdown of NAMPT expression attenuated ALI, in part, via up-regulation of SFTPB expression. Thus, epithelial cell-specific knockdown of Nampt may be a potential new and viable therapeutic modality to ALI.-Bi, G., Wu, L., Huang, P., Islam, S., Heruth, D. P., Zhang, L. Q., Li, D.-Y., Sampath, V., Huang, W., Simon, B. A., Easley, R. B., Ye, S. Q. Up-regulation of SFTPB expression and attenuation of acute lung injury by pulmonary epithelial cell-specific NAMPT knockdown.
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Affiliation(s)
- Guangliang Bi
- Department of Pediatrics, Children’s Mercy, University of Missouri Kansas City School of Medicine, Kansas City, Missouri, USA
- Department of Neonatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Lei Wu
- Department of Pediatrics, Children’s Mercy, University of Missouri Kansas City School of Medicine, Kansas City, Missouri, USA
- Department of Pediatrics, Changsha Central Hospital, Changsha, China
| | - Peixin Huang
- Department of Pediatrics, Children’s Mercy, University of Missouri Kansas City School of Medicine, Kansas City, Missouri, USA
| | - Shamima Islam
- Department of Pediatrics, Children’s Mercy, University of Missouri Kansas City School of Medicine, Kansas City, Missouri, USA
| | - Daniel P. Heruth
- Department of Pediatrics, Children’s Mercy, University of Missouri Kansas City School of Medicine, Kansas City, Missouri, USA
| | - Li Qin Zhang
- Department of Pediatrics, Children’s Mercy, University of Missouri Kansas City School of Medicine, Kansas City, Missouri, USA
| | - Ding-You Li
- Department of Pediatrics, Children’s Mercy, University of Missouri Kansas City School of Medicine, Kansas City, Missouri, USA
| | - Venkatesh Sampath
- Department of Pediatrics, Children’s Mercy, University of Missouri Kansas City School of Medicine, Kansas City, Missouri, USA
| | - Weimin Huang
- Department of Neonatology, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Brett A. Simon
- Department of Anesthesiology, Josie Robertson Surgery Center, Memorial Sloan-Kettering Cancer Center, Weill Cornell Medical College, Cornell University, New York, New York, USA
| | - Ronald Blaine Easley
- Department of Pediatrics-Anesthesiology, Baylor College of Medicine, Houston, Texas, USA
| | - Shui Qing Ye
- Department of Pediatrics, Children’s Mercy, University of Missouri Kansas City School of Medicine, Kansas City, Missouri, USA
- Department of Biomedical and Health Informatics, Children’s Mercy, University of Missouri Kansas City School of Medicine, Kansas City, Missouri, USA
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Ling M, Huang P, Islam S, Heruth DP, Li X, Zhang LQ, Li DY, Hu Z, Ye SQ. Epigenetic regulation of Runx2 transcription and osteoblast differentiation by nicotinamide phosphoribosyltransferase. Cell Biosci 2017; 7:27. [PMID: 28546856 PMCID: PMC5442704 DOI: 10.1186/s13578-017-0154-6] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2017] [Accepted: 05/16/2017] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Bone degenerative disorders like osteoporosis may be initiated by age-related shifts in anabolic and catabolic responses that control bone homeostasis. Although there are studies suggesting that metabolic changes occur with stem cell differentiation, the molecular mechanisms governing energy metabolism and epigenetic modification are not understood fully. Here we reported the key role of nicotinamide phosphoribosyltransferase (Nampt), which is the rate-limiting enzyme in the salvage pathway of NAD biosynthesis from nicotinamide, in the osteogenic differentiation of bone marrow stromal cells. RESULTS Differentiated bone marrow stromal cells isolated from Nampt+/- mice presented with diminished osteogenesis, as evaluated by alkaline phosphatase (ALP) staining, ALP activity and osteoblast-mediated mineralization, compared to cells from Nampt+/+ mice. Similar results were observed in differentiated Nampt-deficient C3H/10T1/2 and MC3T3-E1 cells. Further studies showed that Nampt promotes osteoblast differentiation through increased function and expression of Runx2 as tested by luciferase reporter assay, RT-PCR, and Western Blotting. Our data also demonstrated that Nampt regulates Runx2 transcription in part through epigenetic modification of H3-Lys9 acetylation. CONCLUSION Our study demonstrated that Nampt plays a critical role in osteoblast differentiation through epigenetic augmentation of Runx2 transcription. NAMPT may be a potential therapeutic target of aging-related osteoporosis.
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Affiliation(s)
- Min Ling
- Department of Pediatrics, Children's Mercy, 2401 Gillham Road, PRC/4th FL, Kansas City, MO 64108 USA.,Spinal Surgery Division, The People's Hospital of Liuzhou, Guilin Medical University, 8 Wenchang Road, Liuzhou, 545006 Guangxi Province China
| | - Peixin Huang
- Department of Pediatrics, Children's Mercy, 2401 Gillham Road, PRC/4th FL, Kansas City, MO 64108 USA
| | - Shamima Islam
- Department of Pediatrics, Children's Mercy, 2401 Gillham Road, PRC/4th FL, Kansas City, MO 64108 USA
| | - Daniel P Heruth
- Department of Pediatrics, Children's Mercy, 2401 Gillham Road, PRC/4th FL, Kansas City, MO 64108 USA
| | - Xuanan Li
- Department of Pediatrics, Children's Mercy, 2401 Gillham Road, PRC/4th FL, Kansas City, MO 64108 USA
| | - Li Qin Zhang
- Department of Pediatrics, Children's Mercy, 2401 Gillham Road, PRC/4th FL, Kansas City, MO 64108 USA
| | - Ding-You Li
- Department of Pediatrics, Children's Mercy, 2401 Gillham Road, PRC/4th FL, Kansas City, MO 64108 USA
| | - Zhaohui Hu
- Spinal Surgery Division, The People's Hospital of Liuzhou, Guilin Medical University, 8 Wenchang Road, Liuzhou, 545006 Guangxi Province China
| | - Shui Qing Ye
- Department of Pediatrics, Children's Mercy, 2401 Gillham Road, PRC/4th FL, Kansas City, MO 64108 USA.,Department of Biomedical and Health Informatics, University of Missouri Kansas City School of Medicine, Kansas City, MO USA
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10
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Metabolic and molecular insights into an essential role of nicotinamide phosphoribosyltransferase. Cell Death Dis 2017; 8:e2705. [PMID: 28333140 PMCID: PMC5386535 DOI: 10.1038/cddis.2017.132] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2017] [Revised: 02/15/2017] [Accepted: 02/24/2017] [Indexed: 12/20/2022]
Abstract
Nicotinamide phosphoribosyltransferase (NAMPT) is a pleiotropic protein implicated in the pathogenesis of acute respiratory distress syndrome, aging, cancer, coronary heart diseases, diabetes, nonalcoholic fatty liver disease, obesity, rheumatoid arthritis, and sepsis. However, the underlying molecular mechanisms of NAMPT in these physiological and pathological processes are not fully understood. Here, we provide experimental evidence that a Nampt gene homozygous knockout (Nampt−/−) resulted in lethality at an early stage of mouse embryonic development and death within 5–10 days in adult mice accompanied by a 25.24±2.22% body weight loss, after the tamoxifen induction of NamptF/F × Cre mice. These results substantiate that Nampt is an essential gene for life. In Nampt−/− mice versusNampt+/+ mice, biochemical assays indicated that liver and intestinal tissue NAD levels were decreased significantly; histological examination showed that mouse intestinal villi were atrophic and disrupted, and visceral fat was depleted; mass spectrometry detected unusual higher serum polyunsaturated fatty acid containing triglycerides. RNA-seq analyses of both mouse and human pediatric liver transcriptomes have convergently revealed that NAMPT is involved in key basic cellular functions such as transcription, translation, cell signaling, and fundamental metabolism. Notably, the expression of all eight enzymes in the tricarboxylic acid cycle were decreased significantly in the Nampt−/− mice. These findings prompt us to posit that adult Nampt−/− mouse lethality is a result of a short supply of ATP from compromised intestinal absorption of nutrients from digested food, which leads to the exhaustion of body fat stores.
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Huang P, Lee MW, Sadrerafi K, Heruth DP, Zhang LQ, Maulik D, Ye SQ. MC-PPEA as a new and more potent inhibitor of CLP-induced sepsis and pulmonary inflammation than FK866. DRUG DESIGN DEVELOPMENT AND THERAPY 2017; 11:629-641. [PMID: 28424540 PMCID: PMC5344436 DOI: 10.2147/dddt.s125349] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Our previous study indicated that overexpression of nicotinamide phosphoribosyltransferase (NAMPT) aggravated acute lung injury, while knockdown of NAMPT expression attenuated ventilator-induced lung injury. Recently, we found that meta-carborane-butyl-3-(3-pyridinyl)-2E-propenamide (MC-PPEA, MC4), in which the benzoylpiperidine moiety of FK866 has been replaced by a carborane, displayed a 100-fold increase in NAMPT inhibition over FK866. Here, we determined the effects of MC4 and FK866 on cecal ligation and puncture (CLP) surgery-induced sepsis in C57BL/6J mice. MC4 showed stronger inhibitory effects than FK866 on CLP-induced mortality, serum tumor necrosis factor α (TNFα) levels, pulmonary myeloperoxidase activity, alveolar injury, and interleukin 6 and interleukin1β messenger RNA levels. In vitro cell permeability and electric cell-substrate impedance sensing assays demonstrated that MC4 inhibited TNFα- and thrombin-mediated pulmonary endothelial cell permeability better than FK866. MC4 also exerted more potent effects than FK866, at concentrations as low as 0.3 nM, to attenuate TNFα-mediated intracellular cytokine expression, nicotinamide adenine dinucleotide (NAD+) and its reduced form NADH levels, and nuclear factor kappa B p65 phosphorylation and nuclear translocation in A549 cells. Our results strongly suggest that the newly developed MC4 is a more potent suppressor of CLP-induced pulmonary inflammation and sepsis than FK866, with potential clinical application as a new treatment agent for sepsis and inflammation.
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Affiliation(s)
- Peixin Huang
- Division of Experimental and Translational Genetics, Department of Pediatrics, The Children's Mercy Hospital, University of Missouri Kansas City School of Medicine Kansas City
| | - Mark W Lee
- Department of Chemistry, University of Missouri, Columbia, MO
| | | | - Daniel P Heruth
- Division of Experimental and Translational Genetics, Department of Pediatrics, The Children's Mercy Hospital, University of Missouri Kansas City School of Medicine Kansas City
| | - Li Q Zhang
- Division of Experimental and Translational Genetics, Department of Pediatrics, The Children's Mercy Hospital, University of Missouri Kansas City School of Medicine Kansas City
| | - Dev Maulik
- Department of Biomedical and Health Informatics, University of Missouri Kansas City School of Medicine.,Department of Obstetrics and Gynecology, Truman Medical Center, Kansas City, MO, USA
| | - Shui Qing Ye
- Division of Experimental and Translational Genetics, Department of Pediatrics, The Children's Mercy Hospital, University of Missouri Kansas City School of Medicine Kansas City.,Department of Obstetrics and Gynecology, Truman Medical Center, Kansas City, MO, USA
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12
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Huang P, Riordan SM, Heruth DP, Grigoryev DN, Zhang LQ, Ye SQ. A critical role of nicotinamide phosphoribosyltransferase in human telomerase reverse transcriptase induction by resveratrol in aortic smooth muscle cells. Oncotarget 2016; 6:10812-24. [PMID: 25926556 PMCID: PMC4484421 DOI: 10.18632/oncotarget.3580] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2015] [Accepted: 02/20/2015] [Indexed: 12/20/2022] Open
Abstract
Aging is the predominant risk factor for cardiovascular diseases and contributes to a considerably more severe outcome in patients with acute myocardial infarction. Resveratrol, a polyphenol found in red wine, is a caloric restriction mimetic with potential anti-aging properties which has emerged as a beneficial nutraceutical for patients with cardiovascular disease. Although resveratrol is widely consumed as a nutritional supplement, its mechanism of action remains to be elucidated fully. Here, we report that resveratrol activates human nicotinamide phosphoribosyltransferase (NAMPT), SIRT4 and telomerase reverse transcriptase (hTERT) in human aortic smooth muscle cells. Similar observations were obtained in resveratrol treated C57BL/6J mouse heart and liver tissues. Resverotrol can also augment telomerase activity in both human pulmonary microvascular endothelial cells and A549 cells. Blocking NAMPT and SIRT4 expression prevents induction of hTERT in human aortic smooth muscle cells while overexpression of NAMPT elevates the telomerase activity induced by resveratrol in A549 cells. Together, these results identify a NAMPT-SIRT4-hTERT axis as a novel mechanism by which resveratrol may affect the anti-aging process in human aortic smooth muscle cells, mouse hearts and other cells. These findings enrich our understanding of the positive effects of resveratrol in human cardiovascular diseases.
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Affiliation(s)
- Peixin Huang
- Division of Experimental and Translational Genetics, Department of Pediatrics, Children's Mercy Hospitals and Clinics, University of Missouri Kansas City School of Medicine, Kansas City, MO, USA
| | - Sean M Riordan
- Division of Experimental and Translational Genetics, Department of Pediatrics, Children's Mercy Hospitals and Clinics, University of Missouri Kansas City School of Medicine, Kansas City, MO, USA
| | - Daniel P Heruth
- Division of Experimental and Translational Genetics, Department of Pediatrics, Children's Mercy Hospitals and Clinics, University of Missouri Kansas City School of Medicine, Kansas City, MO, USA
| | - Dmitry N Grigoryev
- Division of Experimental and Translational Genetics, Department of Pediatrics, Children's Mercy Hospitals and Clinics, University of Missouri Kansas City School of Medicine, Kansas City, MO, USA.,Department of Biomedical and Health Informatics, University of Missouri Kansas City School of Medicine, Kansas City, MO, USA.,Laboratory of Translational Studies and Personalized Medicine, "Northern" BioPharm Cluster at Moscow Institute of Physics and Technology, Moscow Region, Russian Federation
| | - Li Qin Zhang
- Division of Experimental and Translational Genetics, Department of Pediatrics, Children's Mercy Hospitals and Clinics, University of Missouri Kansas City School of Medicine, Kansas City, MO, USA
| | - Shui Qing Ye
- Division of Experimental and Translational Genetics, Department of Pediatrics, Children's Mercy Hospitals and Clinics, University of Missouri Kansas City School of Medicine, Kansas City, MO, USA.,Department of Biomedical and Health Informatics, University of Missouri Kansas City School of Medicine, Kansas City, MO, USA
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13
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Ming GF, Ma XH, Xu DM, Liu ZY, Ai YH, Liu HX, Shi ZH. PBEF promotes the apoptosis of pulmonary microvascular endothelial cells and regulates the expression of inflammatory factors and AQP1 through the MAPK pathways. Int J Mol Med 2015; 36:890-6. [PMID: 26178576 DOI: 10.3892/ijmm.2015.2283] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2015] [Accepted: 07/07/2015] [Indexed: 11/05/2022] Open
Abstract
Pre-B cell colony-enhancing factor (PBEF) has been shown to have a variety of biological functions. Studies have proven that PBEF plays a functional role in acute lung injury (ALI). Therefore, in this study, we aimed to confirm the importance of PBEF in ALI. The effects of PBEF overexpression on the apoptosis of human pulmonary microvascular endothelial cells (HPMECs) were analyzed by flow cytometry, and the results indicated that PBEF promoted the apoptosis of HPMECs, which aggravated the development of ALI. Comparative experiments involving increasing and decreasing PBEF expression demonstrated that PBEF promoted the expression of inflammatory factors, such as interleukin (IL)‑1β, IL‑6 and IL‑8 in the HPMECs , thus intensifying the inflammatory response. PBEF also inhibited the expression of aquaporin 1 (AQP1), which caused a dysfunction and imbalance in water transport. Moreover, we also found that tumor necrosis factor (TNF)‑α promoted the expression of PBEF in the HPMECs. After blocking the mitogen-activated protein kinase (MAPK) and phosphoinositide 3-kinase (PI3K) pathways, we found that PBEF regulated the expression of inflammatory factors and AQP1, mainly through the MAPK pathways. Taken together, these results demonstrate that the increase in intracellular PBEF expression promoted the apoptosis of HPMECs and the expression of inflammatory factors and thus enhanced the inflammatory response and inhibited the expression of AQP1, which resulted in abnormal water transport, diminishing the regulatory effects of AQP1 on water transport.
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Affiliation(s)
- Guang-Feng Ming
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Xin-Hua Ma
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Dao-Miao Xu
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Zhi-Yong Liu
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Yu-Hang Ai
- Department of Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Hui-Xia Liu
- Department of Geriatrics, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Zan-Hua Shi
- Department of Neurosurgery, Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
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14
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Yang W, Zeng Y, Li B, Zhou J, Gong Y, Xu J, Dong X. Pre-B-cell colony enhancing factor (PBEF) increases endothelial permeability in hypoxia/re-oxygenation model. Int J Clin Exp Med 2015; 8:8842-8847. [PMID: 26309537 PMCID: PMC4537969] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2014] [Accepted: 06/04/2015] [Indexed: 06/04/2023]
Abstract
OBJECTIVE This study aims to explore the relationship between PBEF and VEGF and p-MLC and the mechanism of PBEF increasing permeability of endothelial cells in hypoxia/re-oxygenation. METHODS Hypoxia/re-oxygenation model was established and PBEF siRNA was synthesized. According to the different HUVEC treatment, it can be divided into normal control group, PBEF siRNA group; hypoxia (20 hours) and re-oxygenation (3 h) group, hypoxia (20 h) and re-oxygenation (6 h) group, hypoxia (20 h) and re-oxygenation (9 hours) group, hypoxia (20 h)/re-oxygenation (12 h). The expressions of PBEF, VEGF and p-MLC were tested by RT-PCR and Western blot. RESULTS The mRNA and protein expression of PBEF in PBEF siRNA group were significantly lower compared to liposome group and the negative controls (P < 0.05). The expression of PBEF protein in hypoxia/re-oxygenation group was significantly higher than the normal control group. It increased in the 3 h of re-oxygenation group, peaked at 9 h, until 12 h started to decline (P < 0.05). When the PBEF gene was knockdown, the expression of VEGF and p-MLC in hypoxia and re-oxygenation are significantly lower. CONCLUSIONS PBEF siRNA can effectively inhibit the expression of PBEF in endothelial cells. The expression of PBEF, VEGF and p-MLC were significantly higher in endothelial cell after Hypoxia/re-oxygenation. PBEF may change the permeability of endothelial cells by regulating the expression of VEGF and the phosphorylation of MLC.
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Affiliation(s)
- Wei Yang
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang UniversityNanchang 330008, China
| | - Yuan Zeng
- Department of Thoracic Surgery, The First Affiliated Hospital of Guangzhou Medical UniversityGuangzhou 5101203, China
| | - Bin Li
- Department of Heart Surgery, Beijing Anzhen Hospital of Capital Medical UniversityBeijing 100029, China
| | - Jianliang Zhou
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang UniversityNanchang 330008, China
| | - Yi Gong
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang UniversityNanchang 330008, China
| | - Jianjun Xu
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang UniversityNanchang 330008, China
| | - Xiao Dong
- Department of Cardiothoracic Surgery, The Second Affiliated Hospital of Nanchang UniversityNanchang 330008, China
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15
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Park HJ, Kim SR, Kim SS, Wee HJ, Bae MK, Ryu MH, Bae SK. Visfatin promotes cell and tumor growth by upregulating Notch1 in breast cancer. Oncotarget 2015; 5:5087-99. [PMID: 24970818 PMCID: PMC4148124 DOI: 10.18632/oncotarget.2086] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
Overexpression of Notch1 has been associated with breast cancer. We recently showed that visfatin stimulates breast cancer cell proliferation and invasion. The present study was undertaken to determine whether Notch1 signaling is affected by visfatin and to characterize the functional role of the visfatin-Notch1 axis in breast cancer. Visfatin and Notch1 were expressed at higher levels in breast tumors than in matched control tissues. Visfatin induced Notch1 expression in MDA-MB-231 breast cancer cell line and in nontransformed MCF10A mammary epithelial cells, whereas visfatin depletion reduced Notch1 mRNA and protein levels. Depletion of Notch1 in MDA-MB-231 cells attenuated cell growth in vitro and in vivo; visfatin depletion produced similar effects, but was less potent. Additionally, Notch1 depletion inhibited cell proliferation induced by visfatin. Analysis of the signaling pathways underlying visfatin-mediated Notch1 upregulation revealed that visfatin activated NF-κB p65. Blockade of NF-κB signaling suppressed the effects of visfatin on Notch1 upregulation and breast cancer cell proliferation. Breast tumors expressing high levels of NF-κB p65 exhibited increased expression of Notch1. Our results demonstrate that the visfatin-Notch1 axis contributes to breast tumor growth through the activation of the NF-κB pathway. Study of the visfatin-Notch1 axis may offer new therapeutic directions for breast cancer.
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Affiliation(s)
- Hyun-Joo Park
- Department of Dental Pharmacology, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Su-Ryun Kim
- Department of Dental Pharmacology, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Su Seong Kim
- Department of Dental Pharmacology, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Hee-Jun Wee
- Department of Biochemistry, College of Pharmacy, Seoul National University, Seoul, South Korea
| | - Moon-Kyoung Bae
- Department of Oral Physiology, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Mi Heon Ryu
- Department of Oral Pathology, School of Dentistry, Pusan National University, Yangsan, South Korea
| | - Soo-Kyung Bae
- Department of Dental Pharmacology, School of Dentistry, Pusan National University, Yangsan, South Korea
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Extracellular nicotinamide phosphoribosyltransferase (NAMPT) promotes M2 macrophage polarization in chronic lymphocytic leukemia. Blood 2015; 125:111-23. [DOI: 10.1182/blood-2014-07-589069] [Citation(s) in RCA: 119] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Key Points
CLL lymphocytes show high intracellular and extracellular NAMPT levels, further increased upon activation. eNAMPT prompts differentiation of CLL monocytes into M2 macrophages that sustain CLL survival and reduce T-cell proliferation.
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17
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Soncini D, Caffa I, Zoppoli G, Cea M, Cagnetta A, Passalacqua M, Mastracci L, Boero S, Montecucco F, Sociali G, Lasigliè D, Damonte P, Grozio A, Mannino E, Poggi A, D'Agostino VG, Monacelli F, Provenzani A, Odetti P, Ballestrero A, Bruzzone S, Nencioni A. Nicotinamide phosphoribosyltransferase promotes epithelial-to-mesenchymal transition as a soluble factor independent of its enzymatic activity. J Biol Chem 2014; 289:34189-204. [PMID: 25331943 DOI: 10.1074/jbc.m114.594721] [Citation(s) in RCA: 59] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Boosting NAD(+) biosynthesis with NAD(+) intermediates has been proposed as a strategy for preventing and treating age-associated diseases, including cancer. However, concerns in this area were raised by observations that nicotinamide phosphoribosyltransferase (NAMPT), a key enzyme in mammalian NAD(+) biosynthesis, is frequently up-regulated in human malignancies, including breast cancer, suggesting possible protumorigenic effects for this protein. We addressed this issue by studying NAMPT expression and function in human breast cancer in vivo and in vitro. Our data indicate that high NAMPT levels are associated with aggressive pathological and molecular features, such as estrogen receptor negativity as well as HER2-enriched and basal-like PAM50 phenotypes. Consistent with these findings, we found that NAMPT overexpression in mammary epithelial cells induced epithelial-to-mesenchymal transition, a morphological and functional switch that confers cancer cells an increased metastatic potential. However, importantly, NAMPT-induced epithelial-to-mesenchymal transition was found to be independent of NAMPT enzymatic activity and of the NAMPT product nicotinamide mononucleotide. Instead, it was mediated by secreted NAMPT through its ability to activate the TGFβ signaling pathway via increased TGFβ1 production. These findings have implications for the design of therapeutic strategies exploiting NAD(+) biosynthesis via NAMPT in aging and cancer and also suggest the potential of anticancer agents designed to specifically neutralize extracellular NAMPT. Notably, because high levels of circulating NAMPT are found in obese and diabetic patients, our data could also explain the increased predisposition to cancer of these subjects.
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Affiliation(s)
| | | | - Gabriele Zoppoli
- the Institut Jules Bordet, Université Libre de Bruxelles, 1000 Brussels, Belgium, the Laboratory of Molecular Pharmacology, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892
| | - Michele Cea
- From the Department of Internal Medicine, the Jerome Lipper Multiple Myeloma Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston Novartis Institutes for BioMedical Research, Cambridge, Massachusetts 02139
| | - Antonia Cagnetta
- the Jerome Lipper Multiple Myeloma Center, Dana-Farber Cancer Institute, Harvard Medical School, Boston Novartis Institutes for BioMedical Research, Cambridge, Massachusetts 02139
| | - Mario Passalacqua
- Department of Experimental Medicine, Section of Biochemistry, and Italian Institute of Biostructures and Biosystems, University of Genoa, 16132 Genoa, Italy
| | - Luca Mastracci
- Department of Integrated Surgical and Diagnostic Sciences, Pathology Unit, University of Genoa, 16132 Genoa, Italy, the Istituto di Ricovero e Cura a Carattere Scientifico Azienda Ospedaliera Universitaria San Martino-Istituto Scientifico Tumori, Istituto Nazionale per la Ricerca sul Cancro, 16132 Genoa, Italy
| | - Silvia Boero
- the Istituto di Ricovero e Cura a Carattere Scientifico Azienda Ospedaliera Universitaria San Martino-Istituto Scientifico Tumori, Istituto Nazionale per la Ricerca sul Cancro, 16132 Genoa, Italy
| | - Fabrizio Montecucco
- From the Department of Internal Medicine, the Division of Cardiology, Foundation for Medical Researches, Department of Medical Specialties, University of Geneva, 1211 Geneva, Switzerland
| | - Giovanna Sociali
- Department of Experimental Medicine, Section of Biochemistry, and Center of Excellence for Biomedical Research, and
| | | | | | - Alessia Grozio
- Department of Experimental Medicine, Section of Biochemistry, and Center of Excellence for Biomedical Research, and
| | - Elena Mannino
- Department of Experimental Medicine, Section of Biochemistry, and Center of Excellence for Biomedical Research, and
| | - Alessandro Poggi
- the Istituto di Ricovero e Cura a Carattere Scientifico Azienda Ospedaliera Universitaria San Martino-Istituto Scientifico Tumori, Istituto Nazionale per la Ricerca sul Cancro, 16132 Genoa, Italy
| | - Vito G D'Agostino
- the Laboratory of Genomic Screening, Centre for Integrative Biology, University of Trento, 38123 Trento, Italy, and
| | | | - Alessandro Provenzani
- the Laboratory of Genomic Screening, Centre for Integrative Biology, University of Trento, 38123 Trento, Italy, and
| | - Patrizio Odetti
- From the Department of Internal Medicine, the Istituto di Ricovero e Cura a Carattere Scientifico Azienda Ospedaliera Universitaria San Martino-Istituto Scientifico Tumori, Istituto Nazionale per la Ricerca sul Cancro, 16132 Genoa, Italy
| | - Alberto Ballestrero
- From the Department of Internal Medicine, the Istituto di Ricovero e Cura a Carattere Scientifico Azienda Ospedaliera Universitaria San Martino-Istituto Scientifico Tumori, Istituto Nazionale per la Ricerca sul Cancro, 16132 Genoa, Italy
| | - Santina Bruzzone
- Department of Experimental Medicine, Section of Biochemistry, and Center of Excellence for Biomedical Research, and
| | - Alessio Nencioni
- From the Department of Internal Medicine, the Istituto di Ricovero e Cura a Carattere Scientifico Azienda Ospedaliera Universitaria San Martino-Istituto Scientifico Tumori, Istituto Nazionale per la Ricerca sul Cancro, 16132 Genoa, Italy,
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18
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Xie KG, Teng XP, Zhu SY, Qiu XB, Ye XM, Hong XM. Elevated plasma visfatin levels correlate with conversion of laparoscopic cholecystectomy to open surgery in acute cholecystitis. Peptides 2014; 60:8-12. [PMID: 25086268 DOI: 10.1016/j.peptides.2014.07.017] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/11/2014] [Revised: 07/19/2014] [Accepted: 07/21/2014] [Indexed: 10/25/2022]
Abstract
Visfatin correlates with inflammation and its levels in peripheral blood are associated with some inflammatory diseases. This study aimed to assess the relationship between plasma visfatin levels and conversion of laparoscopic cholecystectomy to open surgery in acute cholecystitis. One hundred and forty-six acute cholecystitis patients and 146 sex- and age-matched healthy controls were recruited and their plasma visfatin levels were determined using an enzyme immunoassay. 17 patients (11.6%) underwent conversion. Plasma visfatin levels were statistically significantly elevated in all patients (97.2±41.8ng/mL), those with (161.4±71.3ng/mL) or without conversion (88.7±26.9ng/mL), compared to controls (40.3±13.3ng/mL, all P<0.001). A linear regression analysis showed that plasma visfatin levels were positively associated with plasma C-reactive protein levels (t=0.510, P<0.001). A logistic-regression analysis showed that age [odds ratio (OR) 1.160, 95% confidence interval (CI) 1.011-1.332, P=0.035] and plasma visfatin levels (OR 1.035, 95% CI 1.005-1.066, P=0.022) appeared to be the independent predictors of conversion. A receiver operating characteristic curve analysis found that plasma visfatin levels predicted conversion with high area under curve (AUC) (AUC, 850; 95% CI, 0.781-0.903). The AUC of the visfatin concentration was similar to that of age (AUC, 0.738; 95% CI, 0.659-0.807) (P=0.188). Visfatin improved the AUC of age to 0.914 (95% CI, 0.856-0.954) (P=0.011) using a combined logistic-regression model. Thus, high plasma levels of visfatin are associated with systemic inflammation, and may independently predict conversion of laparoscopic cholecystectomy to open surgery in acute cholecystitis.
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Affiliation(s)
- Kai-Gang Xie
- Department of General Surgery, The Yinzhou Second People's Hospital, Branch Hospital of The First Affiliated Hospital of Medical School of Zhejiang University, 1 Qianhe Road, Ningbo 315192, China
| | - Xiao-Ping Teng
- Department of General Surgery, The Yinzhou Second People's Hospital, Branch Hospital of The First Affiliated Hospital of Medical School of Zhejiang University, 1 Qianhe Road, Ningbo 315192, China
| | - Shui-Yin Zhu
- Department of General Surgery, The Yinzhou Second People's Hospital, Branch Hospital of The First Affiliated Hospital of Medical School of Zhejiang University, 1 Qianhe Road, Ningbo 315192, China
| | - Xiong-Bo Qiu
- Department of General Surgery, Health Center, 6 Wenwei Road, Qiuai town, Ningbo 315101, China
| | - Xiao-Ming Ye
- Department of General Surgery, The Yinzhou Second People's Hospital, Branch Hospital of The First Affiliated Hospital of Medical School of Zhejiang University, 1 Qianhe Road, Ningbo 315192, China
| | - Xiao-Ming Hong
- Department of General Surgery, The Yinzhou Second People's Hospital, Branch Hospital of The First Affiliated Hospital of Medical School of Zhejiang University, 1 Qianhe Road, Ningbo 315192, China.
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19
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Meyer NJ. Beyond single-nucleotide polymorphisms: genetics, genomics, and other 'omic approaches to acute respiratory distress syndrome. Clin Chest Med 2014; 35:673-84. [PMID: 25453417 DOI: 10.1016/j.ccm.2014.08.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
This article summarizes the contributions of high-throughput genomic, proteomic, metabolomic, and gene expression investigations to the understanding of inherited or acquired risk for acute respiratory distress syndrome (ARDS). Although not yet widely applied to a complex trait like ARDS, these techniques are now routinely used to study a variety of disease states. Omic applications hold great promise for identifying novel factors that may contribute to ARDS pathophysiology or may be appropriate for further development as biomarkers or surrogates in clinical studies. Opportunities and challenges of different techniques are discussed, and examples of successful applications in non-ARDS fields are used to illustrate the potential use of each technique.
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Affiliation(s)
- Nuala J Meyer
- Pulmonary, Allergy, and Critical Care Medicine, University of Pennsylvania, Perelman School of Medicine, 3600 Spruce Street, 5039 Maloney Building, Philadelphia, PA 19104, USA.
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20
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Lu GW, Wang QJ, Xia MM, Qian J. Elevated plasma visfatin levels correlate with poor prognosis of gastric cancer patients. Peptides 2014; 58:60-4. [PMID: 24911837 DOI: 10.1016/j.peptides.2014.05.016] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2014] [Revised: 05/30/2014] [Accepted: 05/30/2014] [Indexed: 01/29/2023]
Abstract
Visfatin is a proinflammmatory cytokine with accumulating evidence for its rise in circulation of cancer patients. This study aimed to evaluate the relationship between preoperative plasma visfatin level and prognosis of gastric cancers. Preoperative plasma visfatin levels of 262 patients with gastric cancers and plasma visfatin levels of 262 healthy individuals were determined using enzyme-linked immunosorbent assay. Preoperative plasma visfatin level was substantially higher in patients than in healthy subjects. Plasma visfatin levels were associated with invasion depth, lymph node metastasis, distant metastasis, peritoneal dissemination, tumor size and tumor node metastasis stage. Multivariate analysis revealed that high plasma visfatin level was an independent factor for death. Receiver operating characteristic curve analysis showed that plasma visfatin level predicted death with high area under curve. Multivariate Cox regression analysis identified plasma visfatin level as an independent predictor of overall survival. Thus, our results suggest that high preoperative plasma visfatin level is associated with prognostic factors for gastric cancer as well as may play a role as prognostic biomarker in gastric cancer survival.
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Affiliation(s)
- Guo-Wen Lu
- Department of Oncological Surgery, Yinzhou People's Hospital, Yinzhou Hospital Affiliated to Medical School of Ningbo University, 251 Baizhang East Road, Ningbo 315040, China
| | - Qi-Jun Wang
- Department of Clinical Laboratory, Yinzhou People's Hospital, Yinzhou Hospital Affiliated to Medical School of Ningbo University, 251 Baizhang East Road, Ningbo 315040, China
| | - Min-Ming Xia
- Department of Oncological Surgery, Yinzhou People's Hospital, Yinzhou Hospital Affiliated to Medical School of Ningbo University, 251 Baizhang East Road, Ningbo 315040, China
| | - Jiao Qian
- Department of Oncological Surgery, Yinzhou People's Hospital, Yinzhou Hospital Affiliated to Medical School of Ningbo University, 251 Baizhang East Road, Ningbo 315040, China.
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21
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Zhao B, Zhang M, Han X, Zhang XY, Xing Q, Dong X, Shi QJ, Huang P, Lu YB, Wei EQ, Xia Q, Zhang WP, Tang C. Cerebral ischemia is exacerbated by extracellular nicotinamide phosphoribosyltransferase via a non-enzymatic mechanism. PLoS One 2013; 8:e85403. [PMID: 24392007 PMCID: PMC3877362 DOI: 10.1371/journal.pone.0085403] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2013] [Accepted: 11/26/2013] [Indexed: 11/18/2022] Open
Abstract
Intracellular nicotinamide phosphoribosyltransferase (iNAMPT) in neuron has been known as a protective factor against cerebral ischemia through its enzymatic activity, but the role of central extracellular NAMPT (eNAMPT) is not clear. Here we show that eNAMPT protein level was elevated in the ischemic rat brain after middle-cerebral-artery occlusion (MCAO) and reperfusion, which can be traced to at least in part from blood circulation. Administration of recombinant NAMPT protein exacerbated MCAO-induced neuronal injury in rat brain, while exacerbated oxygen-glucose-deprivation (OGD) induced neuronal injury only in neuron-glial mixed culture, but not in neuron culture. In the mixed culture, NAMPT protein promoted TNF-α release in a time- and concentration-dependent fashion, while TNF-α neutralizing antibody protected OGD-induced, NAMPT-enhanced neuronal injury. Importantly, H247A mutant of NAMPT with essentially no enzymatic activity exerted similar effects on ischemic neuronal injury and TNF-α release as the wild type protein. Thus, eNAMPT is an injurious and inflammatory factor in cerebral ischemia and aggravates ischemic neuronal injury by triggering TNF-α release from glia cells, via a mechanism not related to NAMPT enzymatic activity.
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Affiliation(s)
- Bing Zhao
- Department of Pharmacology, Key Laboratory of Medical Neurobiology of Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- Department of Anesthesiology, the First Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Meng Zhang
- Department of Physiology, Zhejiang University School of Medicine, Hangzhou, China
| | - Xue Han
- Department of Pharmacology, Key Laboratory of Medical Neurobiology of Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Xia-Yan Zhang
- Department of Pharmacology, Key Laboratory of Medical Neurobiology of Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Qiong Xing
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Center for Magnetic, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, China
| | - Xu Dong
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Center for Magnetic, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, China
| | - Qiao-Juan Shi
- Department of Pharmacology, Key Laboratory of Medical Neurobiology of Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Peng Huang
- Department of Pharmacology, Key Laboratory of Medical Neurobiology of Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Yun-Bi Lu
- Department of Pharmacology, Key Laboratory of Medical Neurobiology of Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Er-Qing Wei
- Department of Pharmacology, Key Laboratory of Medical Neurobiology of Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
| | - Qiang Xia
- Department of Physiology, Zhejiang University School of Medicine, Hangzhou, China
| | - Wei-Ping Zhang
- Department of Pharmacology, Key Laboratory of Medical Neurobiology of Ministry of Health of China, Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang, China
- * E-mail:
| | - Chun Tang
- State Key Laboratory of Magnetic Resonance and Atomic and Molecular Physics, Wuhan Center for Magnetic, Wuhan Institute of Physics and Mathematics, Chinese Academy of Sciences, Wuhan, China
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22
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Endogenous NAMPT dampens chemokine expression and apoptotic responses in stressed tubular cells. Biochim Biophys Acta Mol Basis Dis 2013; 1842:293-303. [PMID: 24287278 DOI: 10.1016/j.bbadis.2013.11.022] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2013] [Revised: 11/12/2013] [Accepted: 11/19/2013] [Indexed: 11/23/2022]
Abstract
Diabetic nephropathy (DN) is the most common cause of end-stage renal disease and identification of new therapeutic targets is needed. Nicotinamide phosphoribosyltransferase (NAMPT) is both an extracellular and intracellular protein. Circulating NAMPT is increased in diabetics and in chronic kidney disease patients. The role of NAMPT in renal cell biology is poorly understood. NAMPT mRNA and protein were increased in the kidneys of rats with streptozotocin-induced diabetes. Immunohistochemistry localized NAMPT to glomerular and tubular cells in diabetic rats. The inflammatory cytokine TNFα increased NAMPT mRNA, protein and NAD production in cultured kidney human tubular cells. Exogenous NAMPT increased the mRNA expression of chemokines MCP-1 and RANTES. The NAMPT enzymatic activity inhibitor FK866 prevented these effects. By contrast, FK866 boosted TNFα-induced expression of MCP-1 and RANTES mRNA and endogenous NAMPT targeting by siRNA also had a proinflammatory effect. Furthermore, FK866 promoted tubular cell apoptosis in an inflammatory milieu containing the cytokines TNFα/IFNγ. In an inflammatory environment FK866 promoted tubular cell expression of the lethal cytokine TRAIL. These data are consistent with a role of endogenous NAMPT activity as an adaptive, protective response to an inflammatory milieu that differs from the proinflammatory activity of exogenous NAMPT. Thus, disruption of endogenous NAMPT function in stressed cells promotes tubular cell death and chemokine expression. This information may be relevant for the design of novel therapeutic strategies in DN.
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Huang R, Wang ZR, Sun Y, Zhang G, Lu YP. [Mechanism of Nampt gene expression regulation]. YI CHUAN = HEREDITAS 2013; 34:1561-9. [PMID: 23262103 DOI: 10.3724/sp.j.1005.2012.01561] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
Nicotinamide phosphoribosyltransferase (NAMPT), also known as pre-B cell colony-enhancing factor (PBEF) or visfatin, is a crucial rate-limiting enzyme of NAD biosynthetic pathway. It may affect the metabolism, inflammatory response, cell proliferation, differentiation, and apoptosis, especially the aging and other physiological progresses through regulating NAD biosynthesis and nonenzyme routes in the organisms and cells. This review mainly focuses on recent progresses in the expression modulation and feedback regulation of Nampt gene.
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Affiliation(s)
- Rui Huang
- College of Life, Anhui Normal University, Wuhu 241000, China.
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24
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Weng JF, Chen J, Hong WC, Luo LF, Yu W, Luo SD. Plasma visfatin, associated with a genetic polymorphism -1535C>T, is correlated with C-reactive protein in Chinese Han patients with traumatic brain injury. Peptides 2013; 40:8-12. [PMID: 23270673 DOI: 10.1016/j.peptides.2012.12.017] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/25/2012] [Revised: 12/14/2012] [Accepted: 12/14/2012] [Indexed: 01/08/2023]
Abstract
Visfatin is a newly identified pro-inflammatory adipokine and a genetic polymorphism -1535 C>T located in the visfatin gene promoter has been suggested to be associated with the regulation of visfatin expression in some inflammatory illness. However, there were some conflicting results regarding whether this variant is functional or not. This study aimed to examine the relations of the -1535 C>T single nucleotide polymorphism (SNP) of visfatin gene to the plasma visfatin and C-reactive protein concentrations in traumatic brain injury (TBI). 318 Chinese Han patients with TBI were recruited in this study. Plasma visfatin and C-reactive protein levels were significantly different between the genotypes in the SNP-1535 C>T even after adjustment for age, sex and body mass index. The genotype C-C had the highest plasma visfatin and C-reactive protein concentrations. The plasma visfatin and C-reactive protein concentrations between the variant genotypes C-T and T-T did not differ significantly. Plasma visfatin level was significantly associated with plasma C-reactive protein level using multivariate linear regression. Thus, the SNP-1535 C>T of visfatin gene seemed to be potentially involved in the inflammatory component of TBI through a decreased production of visfatin.
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Affiliation(s)
- Jian-Feng Weng
- Department of Neurosurgery, the Second People's Hospital of Cixi City, Cixi 315315, China
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25
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Huang Q, Dai WM, Jie YQ, Yu GF, Fan XF, Wu A. High concentrations of visfatin in the peripheral blood of patients with acute basal ganglia hemorrhage are associated with poor outcome. Peptides 2013; 39:55-8. [PMID: 23174347 DOI: 10.1016/j.peptides.2012.11.006] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2012] [Revised: 11/08/2012] [Accepted: 11/08/2012] [Indexed: 12/11/2022]
Abstract
Higher plasma visfatin concentration has been associated with clinical outcomes of traumatic brain injury. No published information exists to date about change in plasma visfatin after intracerebral hemorrhage. This study included one hundred and twenty-eight healthy controls and 128 patients with intracerebral hemorrhage. The unfavorable outcome was defined as modified Rankin Scale score >2 at 6 months. The patients had higher plasma visfatin measurements than control subjects. Plasma visfatin levels were highly correlated with National Institutes of Health Stroke Scale score and plasma C-reactive protein levels in the patients. A multivariate analysis identified plasma visfatin level as an independent predictor for 6-month mortality and unfavorable outcome. According to receiver operating characteristic curve analysis, the predictive value of the plasma visfatin concentration was similar to National Institutes of Health Stroke Scale score. In a combined logistic-regression model, visfatin improved the predictive value of National Institutes of Health Stroke Scale score for 6-month unfavorable outcome. Thus, increased plasma visfatin level is associated with 6-month clinical outcomes after intracerebral hemorrhage.
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Affiliation(s)
- Qiang Huang
- Department of Neurosurgery, Quzhou People's Hospital, Kecheng District, Quzhou 324100, China
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26
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Chen J, Weng JF, Hong WC, Luo LF, Yu W, Luo SD. Change in plasma visfatin level after severe traumatic brain injury. Peptides 2012; 38:8-12. [PMID: 22960047 DOI: 10.1016/j.peptides.2012.08.016] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/23/2012] [Revised: 08/22/2012] [Accepted: 08/22/2012] [Indexed: 11/23/2022]
Abstract
Higher plasma visfatin concentration has been associated with ischemic stroke. Thus, we sought to investigate change in plasma visfatin level after traumatic brain injury and to evaluate its relation with disease outcome. Seventy-six healthy controls and 98 patients with acute severe traumatic brain injury were recruited. Twenty-seven patients (27.6%) died and 48 patients (49.0%) suffered from unfavorable outcome (Glasgow outcome scale score of 1-3) in 6 months. On admission, plasma visfatin level was increased in patients than in healthy controls and was highly correlated with Glasgow Coma Scale score. A multivariate analysis identified plasma visfatin level as an independent predictor for 6-month mortality and unfavorable outcome. According to receiver operating characteristic curve analysis, the predictive value of the plasma visfatin concentration was similar to Glasgow Coma Scale score's. In a combined logistic-regression model, visfatin did not improve the predictive value of Glasgow Coma Scale score. Thus, increased plasma visfatin level is associated with 6-month clinical outcomes after severe traumatic brain injury.
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Affiliation(s)
- Jun Chen
- Department of Neurosurgery, the Second People's Hospital of Cixi City, Cixi 315315, China
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27
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Liu LY, Wang F, Zhang XY, Huang P, Lu YB, Wei EQ, Zhang WP. Nicotinamide phosphoribosyltransferase may be involved in age-related brain diseases. PLoS One 2012; 7:e44933. [PMID: 23071504 PMCID: PMC3469563 DOI: 10.1371/journal.pone.0044933] [Citation(s) in RCA: 39] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2012] [Accepted: 08/10/2012] [Indexed: 12/21/2022] Open
Abstract
Nicotinamide phosphoribosyltransferase (NAMPT) is a key enzyme for nicotinamide adenine dinucleotide (NAD) biosynthesis, and can be found either intracellularly (iNAMPT) or extracellularly (eNAMPT). Studies have shown that both iNAMPT and eNAMPT are implicated in aging and age-related diseases/disorders in the peripheral system. However, their functional roles in aged brain remain to be established. Here we showed that upon aging, NAMPT level increased in serum but decreased in brain, decreased in cortex and hippocampus but remained unchanged in cerebellum and striatum in brain, and increased in microglia but likely decreased in neuron. Accordingly, total NAD (tNAD) level significantly decreased in hippocampus, cerebellum and striatum in aged brain. Application of recombinant NAMPT, mimicking the elevated serum NAMPT level, enhanced the susceptibility of cerebral endothelial cells to ischemic injury, while inhibition of iNAMPT by FK866, a specific inhibitor, reduced intracellular NAD level and induced neuronal death. Taken together, we have revealed a region- and cell-specific change of NAMPT level in brain and serum upon aging, deduced its potential consequences, which suggests that NAMPT is a regulatory factor in aging and age-related brain diseases.
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Affiliation(s)
- Li-Ying Liu
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Feng Wang
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Xia-Yan Zhang
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Peng Huang
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Yun-Bi Lu
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Key Laboratory of Medical Neurobiology of Ministry of Health of China, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Er-Qing Wei
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Key Laboratory of Medical Neurobiology of Ministry of Health of China, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
| | - Wei-Ping Zhang
- Department of Pharmacology, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Key Laboratory of Medical Neurobiology of Ministry of Health of China, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- Zhejiang Province Key Laboratory of Neurobiology, Zhejiang University School of Medicine, Hangzhou, Zhejiang Province, China
- * E-mail:
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28
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Abstract
Nicotinamide phosphoribosyltransferase is the rate-limiting enzyme that catalyzes the first step in the biosynthesis of nicotinamide adenine dinucleotide from nicotinamide. This protein was originally cloned as a putative pre-B cell colony-enhancing factor and also found to be a visceral fat-derived adipokine (visfatin). As a multifunctional protein, visfatin plays an important role in immunity, metabolism, aging, inflammation, and responses to stress. Visfatin also participates in several pathophysiological processes contributing to cardio-cerebro-vascular diseases, including hypertension, atherosclerosis, ischemic heart disease, and ischemic stroke. However, whether visfatin is a friend or a foe in these diseases remains uncertain. This brief review focuses on the current understanding of the complex role of visfatin in the cardio-cerebro-vascular system under normal and pathophysiological conditions.
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Affiliation(s)
- Pei Wang
- Department of Pharmacology, Second Military Medical University, Shanghai, China
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29
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Lu LF, Wang CP, Yu TH, Hung WC, Chiu CA, Chung FM, Tsai IT, Yang CY, Cheng YA, Lee YJ, Yeh LR. Interpretation of elevated plasma visfatin concentrations in patients with ST-elevation myocardial infarction. Cytokine 2012; 57:74-80. [DOI: 10.1016/j.cyto.2011.10.015] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2011] [Revised: 08/08/2011] [Accepted: 10/17/2011] [Indexed: 10/14/2022]
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30
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Bi J, Li H, Ye SQ, Ding S. Pre-B-cell colony-enhancing factor exerts a neuronal protection through its enzymatic activity and the reduction of mitochondrial dysfunction in in vitro ischemic models. J Neurochem 2011; 120:334-46. [PMID: 22044451 DOI: 10.1111/j.1471-4159.2011.07566.x] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Pre-B-cell colony-enhancing factor (PBEF) is known as a rate-limiting enzyme that converts nicotinamide (NAM) to NMN in the salvage pathway of mammalian NAD⁺ biosynthesis. Previously we found PBEF is exclusively expressed in neurons in the mouse brain; heterozygous PBEF knockout (Pbef⁺/⁻) mice have larger ischemic lesion than wild type mice in photothrombosis-induced ischemia. For the mechanistic study of neuronal protective role of PBEF, we used in vitro oxygen-glucose deprivation (OGD) and glutamate excitotoxicity models of primary cultured neurons in current study. Our results showed that the treatments of neurons with NAM and NAD⁺, the substrate and downstream product of PBEF, respectively, significantly reduced neuronal death after OGD and glutamate excitotoxicity, while treatment of neurons treated with FK866, a PBEF inhibitor, increased neuronal death after OGD. Furthermore, over-expression of human PBEF reduced glutamate excitotoxicity, while over-expression of human PBEF mutants (i.e. H247A and H247E) without enzymatic activity had no effect on neuronal death. We further tested the effect of PBEF on mitochondrial function and biogenesis. Our results show that addition of NAD⁺ and NAM increased mitochondrial biogenesis in neurons after OGD. Over-expression of PBEF in neurons reduced mitochondrial membrane potential depolarization following glutamate stimulation, while over-expression of H247A and H247E did not affect mitochondrial membrane potential depolarization. We conclude that PBEF has a neuroprotective effect in ischemia through its enzymatic activity for NAD⁺ production that can ameliorate mitochondrial dysfunction.
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Affiliation(s)
- Jing Bi
- Dalton Cardiovascular Research Center, University of Missouri-Columbia, Missouri 65211, USA
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31
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Evans L, Williams AS, Hayes AJ, Jones SA, Nowell M. Suppression of leukocyte infiltration and cartilage degradation by selective inhibition of pre-B cell colony-enhancing factor/visfatin/nicotinamide phosphoribosyltransferase: Apo866-mediated therapy in human fibroblasts and murine collagen-induced arthrit. ACTA ACUST UNITED AC 2011; 63:1866-77. [DOI: 10.1002/art.30338] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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32
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Zhang LQ, Heruth DP, Ye SQ. Nicotinamide Phosphoribosyltransferase in Human Diseases. ACTA ACUST UNITED AC 2011; 3:13-25. [PMID: 22140607 DOI: 10.4172/1948-593x.1000038] [Citation(s) in RCA: 91] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Nicotinamide phosphoribosyltransferase (NAMPT) was first reported as a pre-B-cell colony enhancing factor in 1994 with little notice, but it has received increasing attention in recent years due to accumulating evidence indicating that NAMPT is a pleiotropic protein such as a growth factor, a cytokine, an enzyme and a visfatin. Now, NAMPT has been accepted as an official name of this protein. Because of NAMPT's multiple functions in a variety of physiological processes, their dysregulations have been implicated in the pathogenesis of a number of human diseases or conditions such as acute lung injury, aging, atherosclerosis, cancer, diabetes, rheumatoid arthritis and sepsis. This review will cover the current understanding of NAMPT's structure and functions with an emphasis on recent progress of nicotinamide phosphoribosyltransferase's pathological roles in various human diseases and conditions. Future directions on exploring its Terra incognita will be offered in the end.
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Affiliation(s)
- Li Qin Zhang
- Department of Pediatrics, Children's Mercy Hospitals and Clinics, University of Missouri School of Medicine, Kansas City, MO 64108, USA
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33
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Veillat V, Carli C, Metz CN, Al-Abed Y, Naccache PH, Akoum A. Macrophage migration inhibitory factor elicits an angiogenic phenotype in human ectopic endometrial cells and triggers the production of major angiogenic factors via CD44, CD74, and MAPK signaling pathways. J Clin Endocrinol Metab 2010; 95:E403-12. [PMID: 20829186 DOI: 10.1210/jc.2010-0417] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
CONTEXT An active angiogenesis is required for ectopic endometrial tissue growth. Our previous studies led to the identification of macrophage migration inhibitory factor (MIF), which is markedly elevated in active, vascularized, and early-stage endometriotic lesions, as a potent mitogenic factor for endothelial cells. OBJECTIVE Our objective was to study the mechanisms by which MIF may stimulate angiogenesis in ectopic endometrial implantation sites. DESIGN Primary cultures of ectopic endometrial cells were exposed to MIF, and the release of major angiogenic factors with targeted disruption of MIF signaling pathways was assessed. PATIENTS Patients were women found to have endometriosis during laparoscopy. SETTING The study was conducted at a hospital and reproduction research laboratory. INTERVENTIONS Biopsies were removed from endometriotic lesions. MAIN OUTCOME MEASURES Vascular endothelial cell growth factor (VEGF), IL-8, and monocyte chemotactic protein-1 (MCP-1) mRNA and protein levels and expression and small interfering RNA silencing of MIF CD74/CD44 receptor complex and phosphorylation of ERK and p38 MAPKs were evaluated. RESULTS MIF markedly up-regulated VEGF, IL-8, and MCP-1 expression in endometriotic cells. Such an effect was abolished by (S,R)-3-(4-hydroxyphenyl)-4,5-dihydro-5-isoxazole acetic acid methyl ester (ISO-1), a specific inhibitor of MIF, and significantly down-regulated after specific small interfering RNA silencing of CD44 or CD74. MIF treatment strongly activated ERK and p38 MAPKs, and specific inhibitors of both pathways completely blocked basal and MIF-induced VEGF, IL-8, and MCP-1 synthesis. CONCLUSIONS These results show for the first time that MIF exerts a potent indirect angiogenic effect by interacting with ectopic endometrial cells and inducing the secretion of major angiogenic factors via CD44, CD74, and MAPK signaling pathways and provide evidence for a possible new mechanism underlying endometriosis development and pathophysiology.
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Affiliation(s)
- Véronique Veillat
- Centre de recherche, Hôpital Saint-François d'Assise, and Faculty de Médecine, Université Laval, 10, rue de l'Espinay, Local D0-711, Québec (Québec), Canada G1L 3L5
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34
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Garten A, Petzold S, Barnikol-Oettler A, Körner A, Thasler W, Kratzsch J, Kiess W, Gebhardt R. Nicotinamide phosphoribosyltransferase (NAMPT/PBEF/visfatin) is constitutively released from human hepatocytes. Biochem Biophys Res Commun 2010; 391:376-81. [DOI: 10.1016/j.bbrc.2009.11.066] [Citation(s) in RCA: 108] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2009] [Accepted: 11/09/2009] [Indexed: 11/24/2022]
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