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Myong S, Nguyen AQ, Challa S. Biological Functions and Therapeutic Potential of NAD + Metabolism in Gynecological Cancers. Cancers (Basel) 2024; 16:3085. [PMID: 39272943 PMCID: PMC11394644 DOI: 10.3390/cancers16173085] [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: 07/31/2024] [Revised: 08/31/2024] [Accepted: 08/31/2024] [Indexed: 09/15/2024] Open
Abstract
Nicotinamide adenine dinucleotide (NAD+) is an important cofactor for both metabolic and signaling pathways, with the dysregulation of NAD+ levels acting as a driver for diseases such as neurodegeneration, cancers, and metabolic diseases. NAD+ plays an essential role in regulating the growth and progression of cancers by controlling important cellular processes including metabolism, transcription, and translation. NAD+ regulates several metabolic pathways such as glycolysis, the citric acid (TCA) cycle, oxidative phosphorylation, and fatty acid oxidation by acting as a cofactor for redox reactions. Additionally, NAD+ acts as a cofactor for ADP-ribosyl transferases and sirtuins, as well as regulating cellular ADP-ribosylation and deacetylation levels, respectively. The cleavage of NAD+ by CD38-an NAD+ hydrolase expressed on immune cells-produces the immunosuppressive metabolite adenosine. As a result, metabolizing and maintaining NAD+ levels remain crucial for the function of various cells found in the tumor microenvironment, hence its critical role in tissue homeostasis. The NAD+ levels in cells are maintained by a balance between NAD+ biosynthesis and consumption, with synthesis being controlled by the Preiss-Handler, de novo, and NAD+ salvage pathways. The primary source of NAD+ synthesis in a variety of cell types is directed by the expression of the enzymes central to the three biosynthesis pathways. In this review, we describe the role of NAD+ metabolism and its synthesizing and consuming enzymes' control of cancer cell growth and immune responses in gynecologic cancers. Additionally, we review the ongoing efforts to therapeutically target the enzymes critical for NAD+ homeostasis in gynecologic cancers.
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Affiliation(s)
- Subin Myong
- The University of Chicago Comprehensive Cancer Center, The University of Chicago, Chicago, IL 60637, USA
| | - Anh Quynh Nguyen
- Department of Obstetrics and Gynecology, The University of Chicago, Chicago, IL 60637, USA
| | - Sridevi Challa
- The University of Chicago Comprehensive Cancer Center, The University of Chicago, Chicago, IL 60637, USA
- Department of Obstetrics and Gynecology, The University of Chicago, Chicago, IL 60637, USA
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Shen J, Tao SS, Wang RY, Shi SK, Jiang C, Mei YJ. Increased serum visfatin level is associated with fat deposition of the lumbar spine in ankylosing spondylitis patients. Heliyon 2024; 10:e23730. [PMID: 38192832 PMCID: PMC10772616 DOI: 10.1016/j.heliyon.2023.e23730] [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: 08/31/2023] [Revised: 12/11/2023] [Accepted: 12/12/2023] [Indexed: 01/10/2024] Open
Abstract
Objectives To assess the serum visfatin levels in patients with ankylosing spondylitis (AS), as well as its correlation with fat deposition of the lumbar spine. Methods Serum visfatin levels were detected by enzyme-linked immunosorbent assay (ELISA) in 50 AS patients and 75 sex-and age-matched healthy controls. The clinical and laboratory indexes of AS patients were recorded, and the lumbar spine magnetic resonance scan was performed to evaluate the lumbar spine fat deposition in AS patients. The level of serum visfatin and its correlation with lumbar fat deposition were analyzed, and the risk factors of AS lumbar MRI fat deposition were evaluated by Logistic regression. Results Serum visfatin levels in AS patients were elevated compared with that in healthy controls (p < 0.001), and were more significant in patients with fat deposition and syndesmophyte formation (p = 0.017 and p = 0.014, respectively). Serum visfatin levels were positively correlated with CRP, BASDAI, mSASSS and fat deposition (all p < 0.05). Age (OR = 1.085, 95% CI: 1.005-1.173, p = 0.038), disease duration (OR = 1.267, 95% CI: 1.017-1.578, p = 0.035), and visfatin (OR = 1.846, 95% CI: 1.004-3.393, p = 0.048) were risk factors for fat deposition in AS patients. Conclusions The level of serum visfatin in AS patients is significantly increased, which is associated with fat deposition on lumbar MRI. Elevated visfatin level is an independent risk factor for AS lumbar fat deposition.
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Affiliation(s)
- Jie Shen
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Bengbu Medical College, 287 Changhuai Road, Bengbu, Anhui, 233004, China
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, 2600 Donghai Avenue, Bengbu, Anhui, 233030, China
| | - Sha-Sha Tao
- Department of Epidemiology and Biostatistics, School of Public Health, Anhui Medical University, 81 Meishan Road, Hefei, Anhui, China
- Experimental Teaching Center for Preventive Medicine, School of Public Health, Anhui Medical University, No 81 Meishan Road, Hefei, 230032, Anhui, China
| | - Rui-Yuan Wang
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Bengbu Medical College, 287 Changhuai Road, Bengbu, Anhui, 233004, China
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, 2600 Donghai Avenue, Bengbu, Anhui, 233030, China
| | - Shi-Kui Shi
- Department of Radiology, The First Affiliated Hospital of Bengbu Medical College, 287 Changhuai Road, Bengbu, Anhui, 233004, China
| | - Chao Jiang
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Bengbu Medical College, 287 Changhuai Road, Bengbu, Anhui, 233004, China
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, 2600 Donghai Avenue, Bengbu, Anhui, 233030, China
| | - Yong-Jun Mei
- Department of Rheumatology and Immunology, The First Affiliated Hospital of Bengbu Medical College, 287 Changhuai Road, Bengbu, Anhui, 233004, China
- Anhui Province Key Laboratory of Immunology in Chronic Diseases, 2600 Donghai Avenue, Bengbu, Anhui, 233030, China
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Jiang T, Xia T, Qiao F, Wang N, Jiang Y, Xin H. Role and Regulation of Transcription Factors in Osteoclastogenesis. Int J Mol Sci 2023; 24:16175. [PMID: 38003376 PMCID: PMC10671247 DOI: 10.3390/ijms242216175] [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: 09/24/2023] [Revised: 11/01/2023] [Accepted: 11/08/2023] [Indexed: 11/26/2023] Open
Abstract
Bones serve mechanical and defensive functions, as well as regulating the balance of calcium ions and housing bone marrow.. The qualities of bones do not remain constant. Instead, they fluctuate throughout life, with functions increasing in some situations while deteriorating in others. The synchronization of osteoblast-mediated bone formation and osteoclast-mediated bone resorption is critical for maintaining bone mass and microstructure integrity in a steady state. This equilibrium, however, can be disrupted by a variety of bone pathologies. Excessive osteoclast differentiation can result in osteoporosis, Paget's disease, osteolytic bone metastases, and rheumatoid arthritis, all of which can adversely affect people's health. Osteoclast differentiation is regulated by transcription factors NFATc1, MITF, C/EBPα, PU.1, NF-κB, and c-Fos. The transcriptional activity of osteoclasts is largely influenced by developmental and environmental signals with the involvement of co-factors, RNAs, epigenetics, systemic factors, and the microenvironment. In this paper, we review these themes in regard to transcriptional regulation in osteoclastogenesis.
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Affiliation(s)
- Tao Jiang
- School of Pharmacy, Naval Medical University, Shanghai 200433, China; (T.J.); (T.X.); (F.Q.)
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China
| | - Tianshuang Xia
- School of Pharmacy, Naval Medical University, Shanghai 200433, China; (T.J.); (T.X.); (F.Q.)
| | - Fangliang Qiao
- School of Pharmacy, Naval Medical University, Shanghai 200433, China; (T.J.); (T.X.); (F.Q.)
| | - Nani Wang
- Department of Medicine, Zhejiang Academy of Traditional Chinese Medicine, Hangzhou 310007, China;
| | - Yiping Jiang
- School of Pharmacy, Naval Medical University, Shanghai 200433, China; (T.J.); (T.X.); (F.Q.)
| | - Hailiang Xin
- School of Pharmacy, Naval Medical University, Shanghai 200433, China; (T.J.); (T.X.); (F.Q.)
- School of Pharmacy, Fujian University of Traditional Chinese Medicine, Fuzhou 350122, China
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Deepika F, Bathina S, Armamento-Villareal R. Novel Adipokines and Their Role in Bone Metabolism: A Narrative Review. Biomedicines 2023; 11:biomedicines11020644. [PMID: 36831180 PMCID: PMC9953715 DOI: 10.3390/biomedicines11020644] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 02/02/2023] [Accepted: 02/14/2023] [Indexed: 02/23/2023] Open
Abstract
The growing burden of obesity and osteoporosis is a major public health concern. Emerging evidence of the role of adipokines on bone metabolism has led to the discovery of novel adipokines over the last decade. Obesity is recognized as a state of adipose tissue inflammation that adversely affects bone health. Adipokines secreted from white adipose tissue (WAT) and bone marrow adipose tissue (BMAT) exerts endocrine and paracrine effects on the survival and function of osteoblasts and osteoclasts. An increase in marrow fat is implicated in osteoporosis and, hence, it is crucial to understand the complex interplay between adipocytes and bone. The objective of this review is to summarize recent advances in our understanding of the role of different adipokines on bone metabolism. METHODS This is a comprehensive review of the literature available in PubMED and Cochrane databases, with an emphasis on the last five years using the keywords. RESULTS Leptin has shown some positive effects on bone metabolism; in contrast, both adiponectin and chemerin have consistently shown a negative association with BMD. No significant association was found between resistin and BMD. Novel adipokines such as visfatin, LCN-2, Nesfatin-1, RBP-4, apelin, and vaspin have shown bone-protective and osteoanabolic properties that could be translated into therapeutic targets. CONCLUSION New evidence suggests the potential role of novel adipokines as biomarkers to predict osteoporosis risk, and as therapeutic targets for the treatment of osteoporosis.
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Affiliation(s)
- Fnu Deepika
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
- Center for Translational Research on Inflammatory Disease, Michael E DeBakey Veterans Affairs (VA) Medical Center, Houston, TX 77030, USA
- Correspondence: (F.D.); (R.A.-V.); Tel.: +1-713-794-1414 (R.A.-V.)
| | - Siresha Bathina
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
- Center for Translational Research on Inflammatory Disease, Michael E DeBakey Veterans Affairs (VA) Medical Center, Houston, TX 77030, USA
| | - Reina Armamento-Villareal
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, Baylor College of Medicine, Houston, TX 77030, USA
- Center for Translational Research on Inflammatory Disease, Michael E DeBakey Veterans Affairs (VA) Medical Center, Houston, TX 77030, USA
- Correspondence: (F.D.); (R.A.-V.); Tel.: +1-713-794-1414 (R.A.-V.)
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The Influence of Adipokines on Radiographic Damage in Inflammatory Rheumatic Diseases. Biomedicines 2023; 11:biomedicines11020536. [PMID: 36831072 PMCID: PMC9953013 DOI: 10.3390/biomedicines11020536] [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: 01/11/2023] [Revised: 02/06/2023] [Accepted: 02/10/2023] [Indexed: 02/15/2023] Open
Abstract
Inflammatory rheumatic diseases (IRDs) are complex immune-mediated diseases that are characterized by chronic inflammation of the joints. Rheumatoid arthritis (RA) and spondyloarthritis (SpA), including axial SpA (ax SpA) and psoriatic arthritis (PsA), are the most common forms of IRD. Both RA and ax SpA are characterized by a chronic course with progressive structural modifications, namely, cartilage damage and bone erosions in RA and osteoproliferative changes with spinal ossifications in ax SpA. The adipose tissue is involved in the pathophysiology of IRDs via the release of several proteins, namely, adipokines. Several adipokines with pro-inflammatory effects have been identified, such as leptin, adiponectin, visfatin and resistin. In this review, we discuss the role that adipokines may play in the structural modifications of the peripheral joints and/or axial skeleton. In RA, the role of leptin in structural damage remains controversial, while adiponectin and its high-molecular-weight isoform are known to have an influence on the development of bone erosions and radiographic progression. Resistin also appears to be a potent detrimental adipokine for the joints in RA. In ax SpA, visfatin seems to be an attractive candidate for radiographic progression, while leptin and adiponectin have negative effects on radiographic progression.
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González-Rodríguez M, Ruiz-Fernández C, Cordero-Barreal A, Ait Eldjoudi D, Pino J, Farrag Y, Gualillo O. Adipokines as targets in musculoskeletal immune and inflammatory diseases. Drug Discov Today 2022; 27:103352. [PMID: 36099964 DOI: 10.1016/j.drudis.2022.103352] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2022] [Revised: 07/28/2022] [Accepted: 09/06/2022] [Indexed: 11/21/2022]
Abstract
Adipokines are the principal mediators in adipose signaling. Nevertheless, besides their role in energy storage, these molecules can be produced by other cells, such as immune cells or chondrocytes. Given their pleiotropic effects, research over the past few years has also focused on musculoskeletal diseases, showing that these adipokines might have relevant roles in worsening the disease or improving the treatment response. In this review, we summarize recent advances in our understanding of adipokines and their role in the most prevalent musculoskeletal immune and inflammatory disorders.
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Affiliation(s)
- María González-Rodríguez
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain; International PhD School of the University of Santiago de Compostela (EDIUS), Doctoral Programme in Drug Research and Development, Santiago de Compostela, Spain
| | - Clara Ruiz-Fernández
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain; International PhD School of the University of Santiago de Compostela (EDIUS), Doctoral Programme in Medicine Clinical Research, Santiago de Compostela, Spain
| | - Alfonso Cordero-Barreal
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain; International PhD School of the University of Santiago de Compostela (EDIUS), Doctoral Programme in Molecular Medicine, Santiago de Compostela, Spain
| | - Djedjiga Ait Eldjoudi
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain
| | - Jesus Pino
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain; Departamento de Cirurgía y Especialidades Médico-Cirúrgicas Área de Traumatología e Ortopedia, Universidade de Santiago de Compostela, Santiago de Compostela, Spain.
| | - Yousof Farrag
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain.
| | - Oreste Gualillo
- SERGAS (Servizo Galego de Saude) and NEIRID Lab (Neuroendocrine Interactions in Rheumatology and Inflammatory Diseases), Research Laboratory 9, IDIS (Instituto de Investigación Sanitaria de Santiago), Santiago University Clinical Hospital, Santiago de Compostela, Spain.
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Kelly LS, Kannan KB, Munley JA, Pons EE, Parvataneni HK, Hagen JE, Efron PA, Mohr AM. Bone Marrow Adipokine Expression Was Associated With Decreased Erythroid Colony Growth After Trauma. Am Surg 2022:31348221135772. [DOI: 10.1177/00031348221135772] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Background Proinflammatory and immunomodulatory adipokines are linked to inflammation in critically ill patients but are poorly studied after injury. We hypothesized that trauma would induce systemic adipokine release and influence erythroid suppression. Methods Blood and bone marrow (BM) were collected from trauma patients (ISS > 15, n = 90) and compared to patients undergoing elective hip replacement (n = 37). Plasma adipokine levels were measured, and BM was assayed for adipokine transcription and erythroid progenitor growth potential. Differences were detected using t-tests and correlations using simple linear regression. Results Trauma patients exhibited decreased adiponectin (1.8* vs 3.4 mg/mL) and increased leptin (7.8* vs 4.6 ng/mL) and resistin (3.1* vs 2.5 ng/mL), with sex- and age-specific differences. They also showed increased BM visfatin transcription. Adipokine transcription negatively correlated with erythroid progenitor growth. Conclusion Adipose tissue activity is linked to inflammatory responses after injury, with variability by age and sex. Bone marrow adipose tissue may influence erythroid recovery after trauma.
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Affiliation(s)
- Lauren S. Kelly
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, FL, USA
| | - Kolenkode B. Kannan
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, FL, USA
| | - Jennifer A. Munley
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, FL, USA
| | - Erick E. Pons
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, FL, USA
| | - Hari K. Parvataneni
- Department of Orthopedic Surgery, University of Florida College of Medicine, Gainesville, FL, USA
| | - Jennifer E. Hagen
- Department of Orthopedic Surgery, University of Florida College of Medicine, Gainesville, FL, USA
| | - Philip A. Efron
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, FL, USA
| | - Alicia M. Mohr
- Department of Surgery and Sepsis and Critical Illness Research Center, University of Florida College of Medicine, Gainesville, FL, USA
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Interplay between fat cells and immune cells in bone: Impact on malignant progression and therapeutic response. Pharmacol Ther 2022; 238:108274. [DOI: 10.1016/j.pharmthera.2022.108274] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2022] [Revised: 08/11/2022] [Accepted: 08/23/2022] [Indexed: 11/20/2022]
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The Influence of Nesfatin-1 on Bone Metabolism Markers Concentration, Densitometric, Tomographic and Mechanical Parameters of Skeletal System of Rats in the Conditions of Established Osteopenia. Animals (Basel) 2022; 12:ani12050654. [PMID: 35268222 PMCID: PMC8909152 DOI: 10.3390/ani12050654] [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: 12/23/2021] [Revised: 02/28/2022] [Accepted: 03/03/2022] [Indexed: 12/02/2022] Open
Abstract
Simple Summary Nesfatin-1 is an adipokine with little known effect on the skeletal system. In this study, we examined the effect of 8-wk administration of nesfatin-1 on densitometric, tomographic, and mechanical parameters of bones, as well as the concentration of bone metabolism markers in rats with experimentally induced established osteopenia. Abstract Our study aimed to evaluate the impact of nesfatin-1 administration on bone metabolism and properties in established osteopenia in ovariectomized female rats. In total, 21 female Wistar rats were assigned to two groups: sham-operated (SHAM, n = 7) and ovariectomized (OVA, n = 14). After 12 weeks of osteopenia induction in the OVA females, the animals were given i.p. physiological saline (OVA, n = 7) or 2 µg/kg body weight of nesfatin-1(NES, n = 7) for the next 8 weeks. The SHAM animals received physiological saline at the same time. Final body weight, total bone mineral density and content of the skeleton were estimated. Then, isolated femora and tibias were subjected to densitometric, tomographic, and mechanical tests. Bone metabolism markers, i.e., osteocalcin, bone specific alkaline phosphatase (bALP), and crosslinked N-terminal telopeptide of type I collagen (NTx) were determined in serum using an ELISA kit. Ovariectomy led to negative changes in bone metabolism associated with increased resorption, thus diminishing the densitometric, tomographic, and mechanical parameters. In turn, the administration of nesfatin-1 led to an increase in the value of the majority of the tested parameters of bones. The lowest bALP concentration and the highest NTx concentration were found in the OVA females. The bALP concentration was significantly higher after nesfatin-1 administration in comparison to the OVA rats. In conclusion, the results indicate that nesfatin-1 treatment limits bone loss, preserves bone architecture, and increases bone strength in condition of established osteopenia.
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Baseline Serum Biomarkers of Inflammation, Bone Turnover and Adipokines Predict Spinal Radiographic Progression in Ankylosing Spondylitis Patients on TNF Inhibitor Therapy. Semin Arthritis Rheum 2022; 53:151974. [DOI: 10.1016/j.semarthrit.2022.151974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2021] [Revised: 12/03/2021] [Accepted: 01/31/2022] [Indexed: 11/17/2022]
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Wang QH, Li Y, Dou DY, Wang R, Jiang TT, Wang L, Li MQ, Joshua Olatunji O, Zuo J. Nicotinamide mononucleotide-elicited NAMPT signaling activation aggravated adjuvant-induced arthritis in rats by affecting peripheral immune cells differentiation. Int Immunopharmacol 2021; 98:107856. [PMID: 34130151 DOI: 10.1016/j.intimp.2021.107856] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2021] [Revised: 05/20/2021] [Accepted: 06/03/2021] [Indexed: 12/14/2022]
Abstract
Supplement of nicotinamide mononucleotide (NMN), the direct precursor of nicotinamide adenine dinucleotide (NAD+) has gained prominence due to the significant anti-aging potentials of nicotinamide phosphoribosyltransferas (NAMPT)/NAD+ signaling. Because over-expression of NAMPT is deeply implicated in inflammatory arthritis, we investigated the effects of NMN supplement on rats with adjuvant-induced arthritis (AIA). Tested rats were given oral treatment of NMN at 200 mg/kg/day for 25 days. Arthritis score and body weight were periodically recorded. Clinical outcomes were evaluated based on arthritic manifestations, ELISA analysis and histological examination. T cells subsets were analyzed by flow cytometry. Expressions of protein and mRNA were assessed by immunoblotting and PCR methods, respectively. Levels of CD172a, CD43, and NAMPT in peripheral blood mononuclear cells (PBMCs) were investigated by immunofluorescence approach. Obtained results were further validated by experiments in vitro. Generally, NMN exacerbated AIA severity in rats. It deteriorated MMP3-controlled tissues damages, and altered immune profile by increasing Th17/Treg cells ratio. The up-regulation of NAMPT in PBMCs from NMN-treated rats was confirmed by both immunofluorescence and PCR experiments, which was synchronized with significant increase in iNOS, MCP-1, IL-1β expression. NMN-primed AIA PBMCs were potent in up-regulating MCP-1, IL-1β, MMP3 and p-JNK expression in synovioblast. NMN stimulus barely affected Th17 cells count in in vitro cultured splenocytes, but it greatly potentiated the capability of AIA monocytes in inducing IL-17α secretion and Th17 cells differentiation in the co-cultured splenocytes. It suggested that long-term NMN supplement could exacerbate inflammatory arthritis by reshaping the immune milieu through the up-regulation of NAMPT.
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Affiliation(s)
- Qi-Hai Wang
- School of Pharmacy, Anhui College of Traditional Chinese Medicine, Wuhu 241000, Anhui, China
| | - Yan Li
- Department of Traditional Chinese Medicine, the First Affiliated Hospital of Wannan Medical College (Yijishan Hospital), Wuhu 241000, China; Research Center of Integration of Traditional Chinese and Western Medicine, Wannan Medical College, Wuhu 241000, China
| | - De-Yu Dou
- Research Center of Integration of Traditional Chinese and Western Medicine, Wannan Medical College, Wuhu 241000, China
| | - Rui Wang
- Department of Traditional Chinese Medicine, the First Affiliated Hospital of Wannan Medical College (Yijishan Hospital), Wuhu 241000, China
| | - Tian-Tian Jiang
- Department of Traditional Chinese Medicine, the First Affiliated Hospital of Wannan Medical College (Yijishan Hospital), Wuhu 241000, China
| | - Lin Wang
- Department of Traditional Chinese Medicine, the First Affiliated Hospital of Wannan Medical College (Yijishan Hospital), Wuhu 241000, China
| | - Ming-Qiang Li
- Department of Traditional Chinese Medicine, the First Affiliated Hospital of Wannan Medical College (Yijishan Hospital), Wuhu 241000, China
| | | | - Jian Zuo
- Department of Traditional Chinese Medicine, the First Affiliated Hospital of Wannan Medical College (Yijishan Hospital), Wuhu 241000, China; Research Center of Integration of Traditional Chinese and Western Medicine, Wannan Medical College, Wuhu 241000, China; Key Laboratory of Non-coding RNA Transformation Research of Anhui Higher Education Institution, Wannan Medical College, Wuhu 241000, China.
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Polyakova YV, Zavodovsky BV, Sivordova LE, Akhverdyan YR, Zborovskaya IA. Visfatin and Rheumatoid Arthritis: Pathogenetic Implications and Clinical Utility. Curr Rheumatol Rev 2020; 16:224-239. [DOI: 10.2174/1573397115666190409112621] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Revised: 03/15/2019] [Accepted: 04/02/2019] [Indexed: 12/12/2022]
Abstract
Objective:
Analysis and generalization of data related to visfatin involvement in the
pathogenesis of inflammation at various stages of rheumatoid arthritis.
Data Synthesis:
Visfatin is an adipocytokine which has also been identified in non-adipose tissues.
It influences directly on the maturation of B cells, which are involved in autoantibody production
and T cell activation. Visfatin can promote inflammation via regulation of pro-inflammatory cytokines
including TNF, IL-1β and IL-6. The concentration of circulating visfatin in rheumatoid arthritis
patients is higher compared to healthy individuals. Several studies suggest that visfatin level is
associated with rheumatoid arthritis activity, and its elevation may precede clinical signs of the relapse.
In murine collagen-induced arthritis, visfatin levels were also found to be elevated both in
inflamed synovial cells and in joint vasculature. Visfatin blockers have been shown to confer fast
and long-term attenuation of pathological processes; however, most of their effects are transient.
Other factors responsible for hyperactivation of the immune system can participate in this process
at a later stage. Treatment of rheumatoid arthritis with a combination of these blockers and inhibitors
of other mediators of inflammation can potentially improve treatment outcomes compared to
current therapeutic strategies. Recent advances in the treatment of experimental arthritis in mice as
well as the application of emerging treatment strategies obtained from oncology for rheumatoid arthritis
management could be a source of novel adipokine-mediated anti-rheumatic drugs.
Conclusion:
The ongoing surge of interest in anticytokine therapy makes further study of visfatin
highly relevant as it may serve as a base for innovational RA treatment.
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Affiliation(s)
- Yulia V. Polyakova
- Research Institute for Clinical and Experimental Rheumatology, Volgograd, Russian Federation
| | - Boris V. Zavodovsky
- Research Institute for Clinical and Experimental Rheumatology, Volgograd, Russian Federation
| | - Larisa E. Sivordova
- Research Institute for Clinical and Experimental Rheumatology, Volgograd, Russian Federation
| | - Yuri R. Akhverdyan
- Research Institute for Clinical and Experimental Rheumatology, Volgograd, Russian Federation
| | - Irina A. Zborovskaya
- Research Institute for Clinical and Experimental Rheumatology, Volgograd, Russian Federation
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13
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Vitamin D suppresses proangiogenic factors in patients with ulcerative colitis: A randomized double blind placebo controlled clinical trial. Complement Ther Clin Pract 2020; 39:101086. [DOI: 10.1016/j.ctcp.2020.101086] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Revised: 01/04/2020] [Accepted: 01/04/2020] [Indexed: 02/08/2023]
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14
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Muruganandan S, Ionescu AM, Sinal CJ. At the Crossroads of the Adipocyte and Osteoclast Differentiation Programs: Future Therapeutic Perspectives. Int J Mol Sci 2020; 21:ijms21072277. [PMID: 32224846 PMCID: PMC7177886 DOI: 10.3390/ijms21072277] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2020] [Revised: 03/24/2020] [Accepted: 03/25/2020] [Indexed: 01/01/2023] Open
Abstract
The coordinated development and function of bone-forming (osteoblasts) and bone-resorbing (osteoclasts) cells is critical for the maintenance of skeletal integrity and calcium homeostasis. An enhanced adipogenic versus osteogenic potential of bone marrow mesenchymal stem cells (MSCs) has been linked to bone loss associated with diseases such as diabetes mellitus, as well as aging and postmenopause. In addition to an inherent decrease in bone formation due to reduced osteoblast numbers, recent experimental evidence indicates that an increase in bone marrow adipocytes contributes to a disproportionate increase in osteoclast formation. Therefore, a potential strategy for therapeutic intervention in chronic bone loss disorders such as osteoporosis is to interfere with the pro-osteoclastogenic influence of marrow adipocytes. However, application of this approach is limited by the extremely complex regulatory processes in the osteoclastogenic program. For example, key regulators of osteoclastogenesis such as the receptor activator of nuclear factor-kappaB ligand (RANKL) and the soluble decoy receptor osteoprotegerin (OPG) are not only secreted by both osteoblasts and adipocytes, but are also regulated through several cytokines produced by these cell types. In this context, biologically active signaling molecules secreted from bone marrow adipocytes, such as chemerin, adiponectin, leptin, visfatin and resistin, can have a profound influence on the osteoclast differentiation program of hematopoietic stem cells (HSCs), and thus, hold therapeutic potential under disease conditions. In addition to these paracrine signals, adipogenic transcription factors including CCAAT/enhancer binding protein alpha (C/EBPα), C/EBP beta (C/EBPβ) and peroxisome proliferator-associated receptor gamma (PPARγ) are also expressed by osteoclastogenic cells. However, in contrast to MSCs, activation of these adipogenic transcription factors in HSCs promotes the differentiation of osteoclast precursors into mature osteoclasts. Herein, we discuss the molecular mechanisms that link adipogenic signaling molecules and transcription factors to the osteoclast differentiation program and highlight therapeutic strategies targeting these mechanisms for promoting bone homeostasis.
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Affiliation(s)
- Shanmugam Muruganandan
- Department of Developmental Biology, Harvard School of Dental Medicine, 188 Longwood Avenue, Boston, MA 02115, USA;
- Correspondence: ; Tel.: +614-971-0412
| | - Andreia M. Ionescu
- Department of Developmental Biology, Harvard School of Dental Medicine, 188 Longwood Avenue, Boston, MA 02115, USA;
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15
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Neutrophil Maturation and Survival Is Controlled by IFN-Dependent Regulation of NAMPT Signaling. Int J Mol Sci 2019; 20:ijms20225584. [PMID: 31717318 PMCID: PMC6888478 DOI: 10.3390/ijms20225584] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 11/01/2019] [Accepted: 11/06/2019] [Indexed: 12/16/2022] Open
Abstract
Granulocyte-colony stimulating factor (G-CSF)/nicotinamide phosphoribosyltransferase (NAMPT) signaling has been shown to be crucial for the modulation of neutrophil development and functionality. As this signaling pathway is significantly suppressed by type I interferons (IFNs), we aimed to study how the regulation of neutrophil differentiation and phenotype is altered in IFN-deficient mice during granulopoiesis. The composition of bone marrow granulocyte progenitors and their Nampt expression were assessed in bone marrow of type I IFN receptor knockout (Ifnar1-/-) mice and compared to wild-type animals. The impact of NAMPT inhibition on the proliferation, survival, and differentiation of murine bone marrow progenitors, as well as of murine 32D and human HL-60 neutrophil-like cell lines, was estimated. The progressive increase of Nampt expression during neutrophil progenitor maturation could be observed, and it was more prominent in IFN-deficient animals. Altered composition of bone marrow progenitors in these mice correlated with the dysregulation of apoptosis and altered differentiation of these cells. We observed that NAMPT is vitally important for survival of early progenitors, while at later stages it delays the differentiation of neutrophils, with moderate effect on their survival. This study shows that IFN-deficiency leads to the elevated NAMPT expression in the bone marrow, which in turn modulates neutrophil development and differentiation, even in the absence of tumor-derived stimuli.
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16
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Franco-Trepat E, Guillán-Fresco M, Alonso-Pérez A, Jorge-Mora A, Francisco V, Gualillo O, Gómez R. Visfatin Connection: Present and Future in Osteoarthritis and Osteoporosis. J Clin Med 2019; 8:jcm8081178. [PMID: 31394795 PMCID: PMC6723538 DOI: 10.3390/jcm8081178] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Revised: 07/29/2019] [Accepted: 08/04/2019] [Indexed: 12/15/2022] Open
Abstract
Musculoskeletal pathologies (MSPs) such as osteoarthritis (OA) and osteoporosis (OP), are a set of disorders that cause severe pain, motion difficulties, and even permanent disability. In developed countries, the current incidence of MSPs reaches about one in four adults and keeps escalating as a consequence of aging and sedentarism. Interestingly, OA and OP have been closely related to similar risk factors, including aging, metabolic alterations, and inflammation. Visfatin, an adipokine with an inflammatory and catabolic profile, has been associated with several OA and OP metabolic risk factors, such as obesity, insulin resistance, and type II diabetes. Furthermore, visfatin has been associated with the innate immune receptor toll-like receptor 4 (TLR4), which plays a key role in cartilage and bone inflammatory and catabolic responses. Moreover, visfatin has been related to several OA and OP pathologic features. The aim of this work is to bring together basic and clinical data regarding the common role of visfatin in these pathologies and their major shared risk factors. Finally, we discuss the pitfalls of visfatin as a potential biomarker and therapeutic target in both pathologies.
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Affiliation(s)
- Eloi Franco-Trepat
- Musculoskeletal Pathology Group, Institute IDIS, Santiago University Clinical Hospital, SERGAS, 15706 Santiago de Compostela, Spain
| | - María Guillán-Fresco
- Musculoskeletal Pathology Group, Institute IDIS, Santiago University Clinical Hospital, SERGAS, 15706 Santiago de Compostela, Spain
| | - Ana Alonso-Pérez
- Musculoskeletal Pathology Group, Institute IDIS, Santiago University Clinical Hospital, SERGAS, 15706 Santiago de Compostela, Spain
| | - Alberto Jorge-Mora
- Musculoskeletal Pathology Group, Institute IDIS, Santiago University Clinical Hospital, SERGAS, 15706 Santiago de Compostela, Spain
| | - Vera Francisco
- Research laboratory 9, Institute IDIS, Santiago University Clinical Hospital, SERGAS, 15706 Santiago de Compostela, Spain
| | - Oreste Gualillo
- Research laboratory 9, Institute IDIS, Santiago University Clinical Hospital, SERGAS, 15706 Santiago de Compostela, Spain
| | - Rodolfo Gómez
- Musculoskeletal Pathology Group, Institute IDIS, Santiago University Clinical Hospital, SERGAS, 15706 Santiago de Compostela, Spain.
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17
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Hulejová H, Kropáčková T, Bubová K, Kryštůfková O, Filková M, Mann H, Forejtová Š, Tomčík M, Vencovský J, Pavelka K, Šenolt L. Serum visfatin levels in patients with axial spondyloarthritis and their relationship to disease activity and spinal radiographic damage: a cross-sectional study. Rheumatol Int 2019; 39:1037-1043. [PMID: 31025138 DOI: 10.1007/s00296-019-04301-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2019] [Accepted: 04/09/2019] [Indexed: 01/17/2023]
Abstract
The purpose of this cross-sectional study was to assess the visfatin levels in patients with axial spondyloarthritis (axSpA) and to investigate the association between visfatin, disease activity and radiographic spinal damage. Serum visfatin levels were determined by enzyme-linked immunosorbent assay in 64 patients with axSpA (46 with radiographic axSpA (r-axSpA) and 18 with non-radiographic axSpA (nr-axSpA)) and 61 age-/sex-matched healthy individuals. Patients with r-axSpA were further divided into two subsets based on radiographic spinal damage using modified Stoke Ankylosing Spondylitis Spine Score (mSASSS = 0 and mSASSS ≥ 1). The Bath Ankylosing Spondylitis Disease Activity Index (BASDAI) was used to assess disease activity. C-reactive protein (CRP) levels and human leukocyte antigen (HLA)-B27 were determined. Visfatin levels were significantly higher in patients with axSpA and in the subgroup of patients with r-axSpA than in healthy individuals (p = 0.010 and p = 0.005, respectively), with no difference between patients with r-axSpA and with nr-axSpA. In general, disease activity was high (mean BASDAI 5.01) and was moderately correlated with visfatin levels (r = 0.585; p = 0.011) in patients with nr-axSpA. Visfatin levels correlated with mSASSS (r = 0.281; p = 0.026) and were significantly higher in axSpA patients with mSASSS ≥ 1 than in those with mSASSS = 0 (p = 0.025). Our study showed that circulating visfatin levels are elevated in axSpA patients, may be associated with disease activity in early phase of the disease and with the degree of radiographic spinal involvement.
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Affiliation(s)
- Hana Hulejová
- Institute of Rheumatology, Na Slupi 4, 12850, Prague 2, Czech Republic.
| | - Tereza Kropáčková
- Institute of Rheumatology, Na Slupi 4, 12850, Prague 2, Czech Republic.,Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Kristýna Bubová
- Institute of Rheumatology, Na Slupi 4, 12850, Prague 2, Czech Republic.,Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Olga Kryštůfková
- Institute of Rheumatology, Na Slupi 4, 12850, Prague 2, Czech Republic.,Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Mária Filková
- Institute of Rheumatology, Na Slupi 4, 12850, Prague 2, Czech Republic.,Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Heřman Mann
- Institute of Rheumatology, Na Slupi 4, 12850, Prague 2, Czech Republic.,Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Šárka Forejtová
- Institute of Rheumatology, Na Slupi 4, 12850, Prague 2, Czech Republic.,Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Michal Tomčík
- Institute of Rheumatology, Na Slupi 4, 12850, Prague 2, Czech Republic.,Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Jiří Vencovský
- Institute of Rheumatology, Na Slupi 4, 12850, Prague 2, Czech Republic.,Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Karel Pavelka
- Institute of Rheumatology, Na Slupi 4, 12850, Prague 2, Czech Republic.,Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic
| | - Ladislav Šenolt
- Institute of Rheumatology, Na Slupi 4, 12850, Prague 2, Czech Republic.,Department of Rheumatology, First Faculty of Medicine, Charles University, Prague, Czech Republic
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18
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Svoboda P, Krizova E, Sestakova S, Vapenkova K, Knejzlik Z, Rimpelova S, Rayova D, Volfova N, Krizova I, Rumlova M, Sykora D, Kizek R, Haluzik M, Zidek V, Zidkova J, Skop V. Nuclear transport of nicotinamide phosphoribosyltransferase is cell cycle-dependent in mammalian cells, and its inhibition slows cell growth. J Biol Chem 2019; 294:8676-8689. [PMID: 30975903 DOI: 10.1074/jbc.ra118.003505] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 04/04/2019] [Indexed: 01/26/2023] Open
Abstract
Nicotinamide phosphoribosyltransferase (NAMPT) is located in both the nucleus and cytoplasm and has multiple biological functions including catalyzing the rate-limiting step in NAD synthesis. Moreover, up-regulated NAMPT expression has been observed in many cancers. However, the determinants and regulation of NAMPT's nuclear transport are not known. Here, we constructed a GFP-NAMPT fusion protein to study NAMPT's subcellular trafficking. We observed that in unsynchronized 3T3-L1 preadipocytes, 25% of cells had higher GFP-NAMPT fluorescence in the cytoplasm, and 62% had higher GFP-NAMPT fluorescence in the nucleus. In HepG2 hepatocytes, 6% of cells had higher GFP-NAMPT fluorescence in the cytoplasm, and 84% had higher GFP-NAMPT fluorescence in the nucleus. In both 3T3-L1 and HepG2 cells, GFP-NAMPT was excluded from the nucleus immediately after mitosis and migrated back into it as the cell cycle progressed. In HepG2 cells, endogenous, untagged NAMPT displayed similar changes with the cell cycle, and in nonmitotic cells, GFP-NAMPT accumulated in the nucleus. Similarly, genotoxic, oxidative, or dicarbonyl stress also caused nuclear NAMPT localization. These interventions also increased poly(ADP-ribosyl) polymerase and sirtuin activity, suggesting an increased cellular demand for NAD. We identified a nuclear localization signal in NAMPT and amino acid substitution in this sequence (424RSKK to ASGA), which did not affect its enzymatic activity, blocked nuclear NAMPT transport, slowed cell growth, and increased histone H3 acetylation. These results suggest that NAMPT is transported into the nucleus where it presumably increases NAD synthesis required for cell proliferation. We conclude that specific inhibition of NAMPT transport into the nucleus might be a potential avenue for managing cancer.
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Affiliation(s)
- Petr Svoboda
- From the Departments of Biochemistry and Microbiology.,the Institute of Physiology, Czech Academy of Sciences, Prague 4, 142 20, Czech Republic
| | - Edita Krizova
- From the Departments of Biochemistry and Microbiology
| | | | | | | | | | - Diana Rayova
- From the Departments of Biochemistry and Microbiology
| | - Nikol Volfova
- From the Departments of Biochemistry and Microbiology
| | | | | | - David Sykora
- Analytical Chemistry, University of Chemistry and Technology Prague, Prague 6, 166 28, Czech Republic
| | - Rene Kizek
- the Department of Human Pharmacology and Toxicology, University of Veterinary and Pharmaceutical Sciences Brno, Brno, 612 42, Czech Republic
| | - Martin Haluzik
- the Centre for Experimental Medicine and.,Diabetes Centre, Institute for Clinical and Experimental Medicine, Prague 4, 140 21, Czech Republic, and.,the Institute of Medical Biochemistry and Laboratory Diagnostics, Charles University and General University Hospital in Prague, Prague 2, 128 08, Czech Republic
| | - Vaclav Zidek
- the Institute of Physiology, Czech Academy of Sciences, Prague 4, 142 20, Czech Republic
| | | | - Vojtech Skop
- From the Departments of Biochemistry and Microbiology, .,the Centre for Experimental Medicine and
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19
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Neubauer K, Bednarz-Misa I, Walecka-Zacharska E, Wierzbicki J, Agrawal A, Gamian A, Krzystek-Korpacka M. Oversecretion and Overexpression of Nicotinamide Phosphoribosyltransferase/Pre-B Colony-Enhancing Factor/Visfatin in Inflammatory Bowel Disease Reflects the Disease Activity, Severity of Inflammatory Response and Hypoxia. Int J Mol Sci 2019; 20:E166. [PMID: 30621173 PMCID: PMC6337260 DOI: 10.3390/ijms20010166] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2018] [Revised: 12/23/2018] [Accepted: 12/28/2018] [Indexed: 02/07/2023] Open
Abstract
Nicotinamide phosphoribosyltransferase's (Nampt) association with inflammatory bowel disease (IBD) is unclear. The study was aimed at unraveling Nampt's clinical and diagnostic relevance. The serum concentration (Luminex-xMAP® technology) was measured in 113 patients with Crohn's disease (CD), 127 with ulcerative colitis (UC) and 60 non-IBD controls: 40 healthy individuals and 20 with irritable bowel syndrome (IBS). The leukocyte (44 CD/37 UC/19 IBS) and bowel expression (186 samples) was also evaluated (RT-qPCR). All were referred to IBD phenotype, activity, treatment, and inflammatory/nutritional/angiogenic/hypoxia indices. Serum-Nampt and leukocyte-Nampt were positively correlated and were more elevated in active-IBD than in IBS, with leukocyte-Nampt being a fair differential marker. Serum-Nampt in UC positively correlated with its clinical and endoscopic activity as well as with pro-inflammatory cytokines. Serum-Nampt ≤1.54 ng/mL was a good indicator of mucosal healing. The expression of Nampt was up-regulated both in inflamed and quiescent colon and reflected, similarly to leukocyte-Nampt, the clinical activity of IBD. Bowel-Nampt was independently associated with IL1B and hypoxia-inducible factor 1α (HIF1A) expression in inflamed bowel but with FGF2 expression in quiescent bowel. In summary, Nampt's elevation in IBD at local and systemic levels, and protein and mRNA levels, reflects IBD activity and is associated with inflammation, hypoxia (active) and tissue repair (inactive disease).
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Affiliation(s)
- Katarzyna Neubauer
- Department of Gastroenterology and Hepatology, Wroclaw Medical University, 50-556 Wroclaw, Poland.
| | - Iwona Bednarz-Misa
- Department of Medical Biochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland.
| | - Ewa Walecka-Zacharska
- Department of Food Hygiene and Consumer Health, Wroclaw University of Environmental and Life Sciences, 50-375 Wroclaw, Poland.
| | - Jaroslaw Wierzbicki
- Department of Minimally Invasive Surgery and Proctology, Wroclaw Medical University, 50-556 Wroclaw, Poland.
| | - Anil Agrawal
- The 2nd Department of General and Oncological Surgery, Wroclaw Medical University, 50-556 Wroclaw, Poland.
| | - Andrzej Gamian
- Department of Medical Biochemistry, Wroclaw Medical University, 50-368 Wroclaw, Poland.
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20
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Lombardi G, Ziemann E, Banfi G. Physical Activity and Bone Health: What Is the Role of Immune System? A Narrative Review of the Third Way. Front Endocrinol (Lausanne) 2019; 10:60. [PMID: 30792697 PMCID: PMC6374307 DOI: 10.3389/fendo.2019.00060] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Accepted: 01/22/2019] [Indexed: 12/12/2022] Open
Abstract
Bone tissue can be seen as a physiological hub of several stimuli of different origin (e.g., dietary, endocrine, nervous, immune, skeletal muscle traction, biomechanical load). Their integration, at the bone level, results in: (i) changes in mineral and protein composition and microarchitecture and, consequently, in shape and strength; (ii) modulation of calcium and phosphorous release into the bloodstream, (iii) expression and release of hormones and mediators able to communicate the current bone status to the rest of the body. Different stimuli are able to act on either one or, as usual, more levels. Physical activity is the key stimulus for bone metabolism acting in two ways: through the biomechanical load which resolves into a direct stimulation of the segment(s) involved and through an indirect load mediated by muscle traction onto the bone, which is the main physiological stimulus for bone formation, and the endocrine stimulation which causes homeostatic adaptation. The third way, in which physical activity is able to modify bone functions, passes through the immune system. It is known that immune function is modulated by physical activity; however, two recent insights have shed new light on this modulation. The first relies on the discovery of inflammasomes, receptors/sensors of the innate immunity that regulate caspase-1 activation and are, hence, the tissue triggers of inflammation in response to infections and/or stressors. The second relies on the ability of certain tissues, and particularly skeletal muscle and adipose tissue, to synthesize and secrete mediators (namely, myokines and adipokines) able to affect, profoundly, the immune function. Physical activity is known to act on both these mechanisms and, hence, its effects on bone are also mediated by the immune system activation. Indeed, that immune system and bone are tightly connected and inflammation is pivotal in determining the bone metabolic status is well-known. The aim of this narrative review is to give a complete view of the exercise-dependent immune system-mediated effects on bone metabolism and function.
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Affiliation(s)
- Giovanni Lombardi
- Laboratory of Experimental Biochemistry & Molecular Biology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
- Department of Physiology and Pharmacology, Faculty of Rehabilitation and Kinesiology, Gdansk University of Physical Education and Sport, Gdansk, Poland
- *Correspondence: Giovanni Lombardi
| | - Ewa Ziemann
- Department of Physiology and Pharmacology, Faculty of Rehabilitation and Kinesiology, Gdansk University of Physical Education and Sport, Gdansk, Poland
| | - Giuseppe Banfi
- Laboratory of Experimental Biochemistry & Molecular Biology, IRCCS Istituto Ortopedico Galeazzi, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
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21
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Visfatin alters the cytokine and matrix-degrading enzyme profile during osteogenic and adipogenic MSC differentiation. Osteoarthritis Cartilage 2018; 26:1225-1235. [PMID: 29908226 DOI: 10.1016/j.joca.2018.06.001] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2017] [Revised: 05/25/2018] [Accepted: 06/04/2018] [Indexed: 02/02/2023]
Abstract
OBJECTIVES Age-related bone loss is associated with bone marrow adiposity. Adipokines (e.g., visfatin, resistin, leptin) are adipocyte-derived factors with immunomodulatory properties and might influence differentiation of bone marrow-derived mesenchymal stem cells (MSC) in osteoarthritis (OA) and osteoporosis (OP). Thus, the presence of adipokines and MMPs in bone marrow and their effects on MSC differentiation were analyzed. METHODS MSC and ribonucleic acid (RNA) were isolated from femoral heads after hip replacement surgery of OA or osteoporotic femoral neck fracture (FF) patients. Bone structural parameters were evaluated by microcomputed tomography (μCT). MSC were differentiated towards adipocytes or osteoblasts with/without adipokines. Gene expression (adipokines, bone marker genes, MMPs, TIMPs) and cytokine production was evaluated by realtime-polymerase chain reaction (realtime-PCR) and enzyme-linked immunosorbent assay (ELISA). Matrix mineralization was quantified using Alizarin red S staining. RESULTS μCT showed an osteoporotic phenotype of FF compared to OA bone (reduced trabecular thickness and increased ratio of bone surface vs volume of solid bone). Visfatin and leptin were increased in FF vs OA. Visfatin induced the secretion of IL-6, IL-8, and MCP-1 during osteogenic and adipogenic differentiation. In contrast to resistin and leptin, visfatin increased MMP2 and MMP13 during adipogenesis. In osteogenically differentiated cells, MMPs and TIMPs were reduced by visfatin. Visfatin significantly increased matrix mineralization during osteogenesis, whereas collagen type I expression was reduced. CONCLUSION Visfatin-mediated increase of matrix mineralization and reduced collagen type I expression could contribute to bone fragility. Visfatin is involved in impaired bone remodeling at the adipose tissue/bone interface through induction of proinflammatory factors and dysregulated MMP/TIMP balance during MSC differentiation.
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22
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Travelli C, Colombo G, Mola S, Genazzani AA, Porta C. NAMPT: A pleiotropic modulator of monocytes and macrophages. Pharmacol Res 2018; 135:25-36. [PMID: 30031171 DOI: 10.1016/j.phrs.2018.06.022] [Citation(s) in RCA: 61] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2018] [Accepted: 06/20/2018] [Indexed: 12/11/2022]
Abstract
Nicotinamide phosphoribosyltransferase (NAMPT) is the bottleneck enzyme of the NAD salvage pathway and thereby is a controller of intracellular NAD concentrations. It has been long known that the same enzyme can be secreted by a number of cell types and acts as a cytokine, although its receptor is at present unknown. Investigational compounds have been developed that target the enzymatic activity as well as the extracellular action (i.e. neutralizing antibodies). The present contribution reviews the evidence that links intracellular and extracellular NAMPT to myeloid biology, for example governing monocyte/macrophage differentiation, polarization and migration. Furthermore, it reviews the evidence that links this protein to some disorders in which myeloid cells have a prominent role (acute infarct, inflammatory bowel disease, acute lung injury and rheumatoid arthritis) and the data showing that inhibition of the enzymatic activity or the neutralization of the cytokine is beneficial in preclinical animal models.
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Affiliation(s)
- Cristina Travelli
- Department of Pharmacological Sciences, Università del Piemonte Orientale, Novara, Italy
| | - Giorgia Colombo
- Department of Pharmacological Sciences, Università del Piemonte Orientale, Novara, Italy
| | - Silvia Mola
- Department of Pharmacological Sciences, Università del Piemonte Orientale, Novara, Italy
| | - Armando A Genazzani
- Department of Pharmacological Sciences, Università del Piemonte Orientale, Novara, Italy.
| | - Chiara Porta
- Department of Pharmacological Sciences, Università del Piemonte Orientale, Novara, Italy
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23
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Yapıcı Yavuz G, Şimşek Kaya G, Kızıltunç A. Analysis of synovial fluid visfatin level in temporomandibular joint disorders. Cranio 2018; 37:296-303. [PMID: 29385907 DOI: 10.1080/08869634.2018.1429367] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Background: Biochemical analysis of synovial fluid (SF) is an important means of understanding the pathogenesis of temporomandibular disorder (TMD) and confirming diagnoses made using traditional methods. Objective: The aim of this study was to determine whether or not SF visfatin levels can serve as a biochemical marker in the diagnosis of TMD. Method: Sixty samples of SF were obtained from 60 patients with internal derangement (ID) or osteoarthritis (OA). Visfatin in the SF was examined by enzyme-linked immunosorbent assay (ELISA). Result: Visfatin levels showed positive correlations with TMD pain and ID stage and a negative correlation with maximum mouth opening. In addition, Visfatin levels in joints with OA changes in the condyle were significantly higher in comparison to joints with no OA changes. Conclusion: Within the limitations of this study, it can be concluded that visfatin may play a role in the pathogenesis of TMD.
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Affiliation(s)
- Günay Yapıcı Yavuz
- a Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Adıyaman University , Adıyaman , Turkey
| | - Göksel Şimşek Kaya
- b Department of Oral and Maxillofacial Surgery, Faculty of Dentistry, Akdeniz University , Antalya , Turkey
| | - Ahmet Kızıltunç
- c Department of Biochemistry, School of Medicine, Atatürk University , Erzurum , Turkey
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24
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Lombardi G, Barbaro M, Locatelli M, Banfi G. Novel bone metabolism-associated hormones: the importance of the pre-analytical phase for understanding their physiological roles. Endocrine 2017; 56:460-484. [PMID: 28181144 DOI: 10.1007/s12020-017-1239-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/28/2016] [Accepted: 01/17/2017] [Indexed: 02/08/2023]
Abstract
The endocrine function of bone is now a recognized feature of this tissue. Bone-derived hormones that modulate whole-body homeostasis, are being discovered as for the effects on bone of novel and classic hormones produced by other tissues become known. Often, however, the data regarding these last generation bone-derived or bone-targeting hormones do not give about a clear picture of their physiological roles or concentration ranges. A certain degree of uncertainty could stem from differences in the pre-analytical management of biological samples. The pre-analytical phase comprises a series of decisions and actions (i.e., choice of sample matrix, methods of collection, transportation, treatment and storage) preceding analysis. Errors arising in this phase will inevitably be carried over to the analytical phase where they can reduce the measurement accuracy, ultimately, leading discrepant results. While the pre-analytical phase is all important, in routine laboratory medicine, it is often not given due consideration in research and clinical trials. This is particularly true for novel molecules, such as the hormones regulating the endocrine function of bone. In this review we discuss the importance of the pre-analytical variables affecting the measurement of last generation bone-associated hormones and describe their, often debated and rarely clear physiological roles.
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Affiliation(s)
| | - Mosè Barbaro
- Laboratory Medicine Service, San Raffaele Hospital, Milano, Italy
| | | | - Giuseppe Banfi
- IRCCS Istituto Ortopedico Galeazzi, Milano, Italy
- Vita-Salute San Raffaele University, Milano, Italy
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Baek JM, Ahn SJ, Cheon YH, Lee MS, Oh J, Kim JY. Nicotinamide phosphoribosyltransferase inhibits receptor activator of nuclear factor-κB ligand-induced osteoclast differentiation in vitro. Mol Med Rep 2016; 15:784-792. [PMID: 28035412 PMCID: PMC5364879 DOI: 10.3892/mmr.2016.6069] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 11/22/2016] [Indexed: 11/06/2022] Open
Abstract
The adipokine nicotinamide phosphoribosyltransferase (Nampt), also known as pre-B-cell colony-enhancing factor or the insulin-mimetic hormone visfatin, has a crucial role in the conversion of nicotinamide to nicotinamide mononucleotide during biosynthesis of the coenzyme nicotinamide adenine dinucleotide. Previous reports have demonstrated the inhibitory effects of Nampt on osteoclast formation from human peripheral blood mononuclear cells and CD14+ monocytes. However, the effects of Nampt on bone marrow macrophage (BMM)-derived osteoclastogenesis and its precise role in the process remain unclear. The present in vitro study used recombinant Nampt and BMMs as osteoclast precursors demonstrated that Nampt suppresses receptor activator of nuclear factor-κB ligand (RANKL)-induced osteoclastogenesis by decreasing the phosphorylation of various early signal transducers, including c-Jun N-terminal kinase, Akt, glycogen synthase kinase-3 β, Bruton's tyrosine kinase and phospholipase C γ-2. In addition, western blotting and reverse transcription-quantitative polymerase chain reaction analysis indicated that Nampt downregulates the mRNA and protein expression levels of c-Fos and nuclear factor of activated T cells, cytoplasmic 1, leading to a decrease in the expression of osteoclast-specific genes including tartrate-resistant acid phosphatase, osteoclast-associated receptor and cathepsin K. However, the bone-resorbing activity of mature osteoclasts treated with Nampt was similar to untreated control osteoclasts. This finding indicates that Nampt exerts its anti-osteoclastogenic activity by targeting osteoclast precursor cells rather than mature osteoclasts. Consequently, the present study demonstrated that Nampt acts as a negative regulator of RANKL-mediated differentiation of BMMs into osteoclasts, suggesting the potential therapeutic targets to treat bone-related disorders such as osteoporosis.
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Affiliation(s)
- Jong Min Baek
- Department of Anatomy, School of Medicine, Wonkwang University, Iksan, Jeonbuk 570‑749, Republic of Korea
| | - Sung-Jun Ahn
- Department of Anatomy, School of Medicine, Wonkwang University, Iksan, Jeonbuk 570‑749, Republic of Korea
| | - Yoon-Hee Cheon
- Department of Anatomy, School of Medicine, Wonkwang University, Iksan, Jeonbuk 570‑749, Republic of Korea
| | - Myeung Su Lee
- Division of Rheumatology, Department of Internal Medicine, Wonkwang University, Iksan, Jeonbuk 570‑749, Republic of Korea
| | - Jaemin Oh
- Department of Anatomy, School of Medicine, Wonkwang University, Iksan, Jeonbuk 570‑749, Republic of Korea
| | - Ju-Young Kim
- Imaging Science‑Based Lung and Bone Diseases Research Center, Wonkwang University, Iksan, Jeonbuk 570‑749, Republic of Korea
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Junker S, Frommer KW, Krumbholz G, Tsiklauri L, Gerstberger R, Rehart S, Steinmeyer J, Rickert M, Wenisch S, Schett G, Müller-Ladner U, Neumann E. Expression of adipokines in osteoarthritis osteophytes and their effect on osteoblasts. Matrix Biol 2016; 62:75-91. [PMID: 27884778 DOI: 10.1016/j.matbio.2016.11.005] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2016] [Revised: 11/09/2016] [Accepted: 11/09/2016] [Indexed: 10/20/2022]
Abstract
OBJECTIVE Osteophyte formation in osteoarthritis (OA) is mediated by increased osteoblast activity, which is -in turn- regulated by the Wnt signaling pathway. Obesity is regarded a risk factor in OA, yet little is known about the interaction between adipose tissue-derived factors, the adipokines, and bone formation, although adipokines are associated with the pathogenesis of OA. Therefore, the effect of adipokines on bone and cartilage forming cells and osteophyte development was analyzed. METHODS Human OA osteophytes were histologically characterized and adipokine expression was evaluated by immunohistochemistry. Osteoblasts and chondrocytes were isolated from OA tissue and stimulated with adiponectin, resistin, or visfatin. Cytokine and osteoblast/chondrocyte markers were quantified and activation of Wnt and p38 MAPK signaling was analyzed. RESULTS Adiponectin, resistin, and visfatin were expressed in OA osteophytes by various articular cell types. Stimulation of OA osteoblasts with adiponectin and of OA chondrocytes with visfatin led to an increased release of proinflammatory mediators but not to osteoblast differentiation or activation. Additionally, visfatin increased matrix degrading factors in chondrocytes. Wnt signaling was not altered by adipokines, but adiponectin induced p38 MAPK signaling in osteoblasts. CONCLUSION Adipokines are present in OA osteophytes, and adiponectin and visfatin increase the release of proinflammatory mediators by osteoblasts and chondrocytes. The effects of adiponectin were mediated by p38 MAPK but not Wnt signaling in osteoblasts. Therefore, the results support the idea that adipokines do not directly influence osteophyte development but the proinflammatory conditions in OA.
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Affiliation(s)
- Susann Junker
- Dept Internal Medicine and Rheumatology, Justus-Liebig-University Giessen, Kerckhoff-Klinik Bad Nauheim, Germany
| | - Klaus W Frommer
- Dept Internal Medicine and Rheumatology, Justus-Liebig-University Giessen, Kerckhoff-Klinik Bad Nauheim, Germany
| | - Grit Krumbholz
- Dept Internal Medicine and Rheumatology, Justus-Liebig-University Giessen, Kerckhoff-Klinik Bad Nauheim, Germany
| | - Lali Tsiklauri
- Dept Internal Medicine and Rheumatology, Justus-Liebig-University Giessen, Kerckhoff-Klinik Bad Nauheim, Germany
| | - Rüdiger Gerstberger
- Dept Veterinary Physiology and Biochemistry, Justus-Liebig-University Giessen, Germany
| | - Stefan Rehart
- Dept Orthopaedics and Trauma Surgery, Agaplesion-Markus-Hospital, Frankfurt, Germany
| | - Jürgen Steinmeyer
- Dept Orthopaedics and Orthopaedic Surgery, University Hospital Giessen and Marburg, Giessen, Germany
| | - Markus Rickert
- Dept Orthopaedics and Orthopaedic Surgery, University Hospital Giessen and Marburg, Giessen, Germany
| | - Sabine Wenisch
- Clinic for Small Animals, Institute for Veterinary Anatomy, Histology und Embryology, Justus-Liebig-University Giessen, Germany
| | - Georg Schett
- Medical Clinic 3, Rheumatology and Immunology, Friedrich-Alexander-University of Erlangen-Nuremberg, Erlangen, Germany
| | - Ulf Müller-Ladner
- Dept Internal Medicine and Rheumatology, Justus-Liebig-University Giessen, Kerckhoff-Klinik Bad Nauheim, Germany
| | - Elena Neumann
- Dept Internal Medicine and Rheumatology, Justus-Liebig-University Giessen, Kerckhoff-Klinik Bad Nauheim, Germany.
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Lombardi G, Sanchis-Gomar F, Perego S, Sansoni V, Banfi G. Implications of exercise-induced adipo-myokines in bone metabolism. Endocrine 2016; 54:284-305. [PMID: 26718191 DOI: 10.1007/s12020-015-0834-0] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2015] [Accepted: 12/14/2015] [Indexed: 12/12/2022]
Abstract
Physical inactivity has been recognized, by the World Health Organization as the fourth cause of death (5.5 % worldwide). On the contrary, physical activity (PA) has been associated with improved quality of life and decreased risk of several diseases (i.e., stroke, hypertension, myocardial infarction, obesity, malignancies). Bone turnover is profoundly affected from PA both directly (load degree is the key determinant for BMD) and indirectly through the activation of several endocrine axes. Several molecules, secreted by muscle (myokines) and adipose tissues (adipokines) in response to exercise, are involved in the fine regulation of bone metabolism in response to the energy availability. Furthermore, bone regulates energy metabolism by communicating its energetic needs thanks to osteocalcin which acts on pancreatic β-cells and adipocytes. The beneficial effects of exercise on bone metabolism depends on the intermittent exposure to myokines (i.e., irisin, IL-6, LIF, IGF-I) which, instead, act as inflammatory/pro-resorptive mediators when chronically elevated; on the other hand, the reduction in the circulating levels of adipokines (i.e., leptin, visfatin, adiponectin, resistin) sustains these effects as well as improves the whole-body metabolic status. The aim of this review is to highlight the newest findings about the exercise-dependent regulation of these molecules and their role in the fine regulation of bone metabolism.
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Affiliation(s)
- Giovanni Lombardi
- Laboratory of Experimental Biochemistry & Molecular Biology, I.R.C.C.S. Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161, Milan, Italy.
| | | | - Silvia Perego
- Laboratory of Experimental Biochemistry & Molecular Biology, I.R.C.C.S. Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161, Milan, Italy
| | - Veronica Sansoni
- Laboratory of Experimental Biochemistry & Molecular Biology, I.R.C.C.S. Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161, Milan, Italy
| | - Giuseppe Banfi
- Laboratory of Experimental Biochemistry & Molecular Biology, I.R.C.C.S. Istituto Ortopedico Galeazzi, Via Riccardo Galeazzi 4, 20161, Milan, Italy
- Vita-Salute San Raffaele University, Milan, Italy
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Sawicka-Gutaj N, Budny B, Zybek-Kocik A, Sowiński J, Ziemnicka K, Waligórska-Stachura J, Ruchała M. Nicotinamide phosphoribosyltransferase leukocyte overexpression in Graves' opthalmopathy. Endocrine 2016; 53:497-504. [PMID: 26767650 PMCID: PMC4949300 DOI: 10.1007/s12020-015-0855-8] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2015] [Accepted: 12/30/2015] [Indexed: 12/22/2022]
Abstract
To investigate the role of NAMPT/visfatin in euthyroid patients with Graves' disease without (GD) and with Graves' ophthalmopathy (GO), we analyzed NAMPT leukocyte expression and its serum concentration. This was a single-center, cross-sectional study with consecutive enrollment. In total, 149 patients diagnosed with Graves' disease were enrolled in the study. We excluded subjects with hyper- or hypothyroidism, diabetes mellitus, other autoimmune disorders, active neoplastic disease, and infection. The control group was recruited among healthy volunteers adjusted for age, sex, and BMI with normal thyroid function and negative thyroid antibodies. Serum levels of visfatin, TSH, FT4, FT3, antibodies against TSH receptor (TRAb), antithyroperoxidase antibodies, antithyroglobulin antibodies, fasting glucose, and insulin were measured. NAMPT mRNA leukocyte expression was assessed using RT-qPCR. NAMPT/visfatin serum concentration was higher in GD (n = 44) and GO (n = 49) patients than in the control group (n = 40) (p = 0.0275). NAMPT leukocyte expression was higher in patients with GO (n = 30) than in GD patients (n = 27) and the control group (n = 29) (p < 0.0001). Simple linear regression analysis revealed that NAMPT/visfatin serum concentration was significantly associated with GD (β = 1.5723; p = 0.021). When NAMPT leukocyte expression was used as a dependent variable, simple regression analysis found association with TRAb, fasting insulin level, HOMA-IR, GD, and GO. In the stepwise multiple regression analysis, we confirmed the association between higher serum NAMPT/visfatin level and GD (coefficient = 1.5723; p = 0.0212), and between NAMPT leukocyte expression and GO (coefficient = 2.4619; p = 0.0001) and TRAb (coefficient = 0.08742; p = 0.006). Increased NAMPT leukocyte expression in patients with GO might suggest a presently undefined role in the pathogenesis of GO.
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Affiliation(s)
- Nadia Sawicka-Gutaj
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznań, Poland.
| | - Bartłomiej Budny
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznań, Poland
| | - Ariadna Zybek-Kocik
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznań, Poland
| | - Jerzy Sowiński
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznań, Poland
| | - Katarzyna Ziemnicka
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznań, Poland
| | - Joanna Waligórska-Stachura
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznań, Poland
| | - Marek Ruchała
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Poznań, Poland
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Chemerin, visfatin, and vaspin serum levels in relation to bone mineral density in patients with inflammatory bowel disease. Eur J Gastroenterol Hepatol 2016; 28:814-9. [PMID: 26934527 DOI: 10.1097/meg.0000000000000617] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
BACKGROUND There is evidence that fat mass is correlated with bone mineral density (BMD) in inflammatory bowel disease (IBD), but data on the role of adipokines on this association are limited. The aim of this study was to investigate the serum levels of chemerin, visfatin, and vaspin, hormones that act as adipokines, in relation to BMD in patients with ulcerative colitis (UC) and Crohn's disease (CD). PATIENTS AND METHODS Serum from 120 IBD patients (68 CD, 52 UC) and 98 matched healthy controls (HC) was collected. Chemerin, visfatin, and vaspin levels were assessed using an enzyme-linked immunosorbent assay. BMD was determined for the lumbar spine and the proximal femur using dual-energy X-ray absorptiometry. Full-body composition scans were analyzed using enCORE software based on the absorptiometry system. RESULTS Serum chemerin was higher in IBD patients than HC [CD 13.67.1±5.8, UC 13.9±4.3 vs. HC 7.8±2.6 ng/ml, odds ratio (OR): 0.95, 95% confidence interval (CI) 0.93-0.98, P<0.0001]. Serum visfatin levels in CD patients were significantly higher than those in UC patients (9.3±14.01 vs. 6.5±7.2 ng/ml, OR: 0.86, 95% CI 0.80-0.92, P=0.039). In multivariate logistic regression analysis, a significant independent association of osteoporosis (T-score ≤2.5 SD) with age (OR: 1.04, 95% CI 1.01-1.08, P=0.02), visfatin (OR: 0.78, 95% CI 0.63-0.97, P=0.02), and chemerin levels (OR: 0.83, 95% CI 0.70-0.98, P=0.03), but not with BMI or body composition, was found. CONCLUSION Serum visfatin and chemerin levels are associated with the development of osteoporosis in IBD. These results suggest a role of visfatin and chemerin in the pathophysiology of osteoporosis in IBD.
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Neumann E, Junker S, Schett G, Frommer K, Müller-Ladner U. Adipokines in bone disease. Nat Rev Rheumatol 2016; 12:296-302. [DOI: 10.1038/nrrheum.2016.49] [Citation(s) in RCA: 73] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
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Strong association of the polymorphisms in PBEF1 and knee OA risk: a two-stage population-based study in China. Sci Rep 2016; 6:19094. [PMID: 26752339 PMCID: PMC4707545 DOI: 10.1038/srep19094] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2015] [Accepted: 11/02/2015] [Indexed: 02/06/2023] Open
Abstract
The association of Pre-B cell colony enhancing factor 1 (PBEF1) with obesity, together with its pro-inflammatory properties suggests that PBEF1 might be another crucial mediator that links inflammation with obesity and primary osteoarthritis (OA). We hypothesized that polymorphisms in PBEF1 may modify the risk of developing OA. Thus we systematically screened 4 tagging polymorphisms (rs4730153, rs2058540, rs3801267 and rs16872158) in PBEF1 and evaluated the association between the genetic variants and OA risk in a two-stage case-control study including 196 cases and 442 controls in the first stage and 143 cases and 238 controls in the second stage. In the first stage, two SNPs (rs4730153 and rs16872158) were found to be potentially associated with OA risk (P < 0.05), which were further confirmed in the second stage with similar effects. After combining the two stages, we found that rs4730153 was significantly associated with decreased risk of OA in an additive genetic model (P < 0.05), while rs16872158 showed increased risk of developing OA (P < 0.05). Combined analysis of these 2 SNPs showed a significant allele-dosage association between the number of risk alleles and OA risk (Ptrend = 5.25 × 10(-5)). These findings indicate that genetic variants in PBEF1 gene may modify individual susceptibility to OA in the Chinese population.
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Dogan S, Guven K, Celikbilek M, Deniz K, Saraymen B, Gursoy S. Serum Visfatin Levels in Ulcerative Colitis. J Clin Lab Anal 2015; 30:552-6. [PMID: 26668098 DOI: 10.1002/jcla.21901] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2014] [Revised: 09/01/2015] [Accepted: 09/02/2015] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Previous studies have suggested that adipokines play a role in inflammatory bowel disease by inducing proinflammatory cytokines, but it is uncertain whether visfatin is causally involved in ulcerative colitis (UC). We evaluated visfatin levels in patients who presented with UC flares before and after treatment. METHODS In this cohort study, we assessed 31 patients with UC in the activation period and remission in the same patients after treatment, and a healthy control group, consisting of 29 persons, at a single academic medical centre between 2010 and 2013. Disease severity was evaluated clinically using Trulove and Witt's criteria. RESULTS Serum visfatin levels did not vary according to the extent of disease and were significantly higher in patients in the activation period (7.77 ± 2.41 ng/ml) than in remission (6.18 ± 2.04 ng/ml) and the healthy controls (6.54 ± 2.20 ng/ml; P < 0.01 and < 0.05, respectively). In a comparison of patients in the inactive period with the control group, there was no statistically significant difference (P > 0.05). To assess activation of the disease, a visfatin cut-off point for active UC was determined as 6.40, with sensitivity, specificity, positive predictive value (PPV) and negative predictive values (NPV) of 72%, 52%, 66.7% (43.0-85.4) and 50.0% (29.1-70.9), respectively. CONCLUSIONS The visfatin level was higher in the active group than in post-treatment remission and the healthy control group. Sensitivity and specificity were similar to other inflammatory markers for assessing clinical activity, which did not improve clinical outcomes in patients with acute respiratory distress syndrome (ARDS). These findings did not provide a rationale for assessment of UC activation.
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Affiliation(s)
- Serkan Dogan
- Department of Gastroenterology and Hepatology, Medical School, Erciyes University, Kayseri, Turkey.
| | - Kadri Guven
- Department of Gastroenterology and Hepatology, Medical School, Erciyes University, Kayseri, Turkey
| | - Mehmet Celikbilek
- Department of Gastroenterology and Hepatology, Medical School, Bozok University, Yozgat, Turkey
| | - Kemal Deniz
- Department of Pathology, Medical School, Erciyes University, Kayseri, Turkey
| | - Berkay Saraymen
- Department of Biochemistry, Medical School, Erciyes University, Kayseri, Turkey
| | - Sebnem Gursoy
- Department of Gastroenterology and Hepatology, Medical School, Erciyes University, Kayseri, Turkey
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Sawicka-Gutaj N, Waligórska-Stachura J, Andrusiewicz M, Biczysko M, Sowiński J, Skrobisz J, Ruchała M. Nicotinamide phosphorybosiltransferase overexpression in thyroid malignancies and its correlation with tumor stage and with survivin/survivin DEx3 expression. Tumour Biol 2015; 36:7859-63. [PMID: 25946974 PMCID: PMC4605962 DOI: 10.1007/s13277-015-3506-z] [Citation(s) in RCA: 42] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2015] [Accepted: 04/27/2015] [Indexed: 12/02/2022] Open
Abstract
Nicotinamide phosphorybosiltransferase (NAMPT) plays an important role in the regulation of cellular growth, angiogenesis, and apoptosis in mammalian cells. NAMPT overexpression has been recently found in colorectal, breast, prostatic, gastric, esophageal, pancreatic cancers, and specific NAMPT inhibitors might be adjuvant therapeutic modalities. In this study, we analyzed NAMPT expression in 40 malignant and in 67 benign thyroid tissue samples using qPCR. We also investigated relationships between NAMPT expression and survivin/survivin splicing variants DEx3 and 2B expressions. NAMPT expression was significantly higher in thyroid cancers (P < 0.0001), and it was positively correlated with tumor stage (P = 0.0012; r = 0.493). NAMPT expression was significantly higher in tumors staged pT3 or pT4 (16 cases) than in tumors staged pT1 or pT2 (24 cases) (P = 0.0106). Metastases to the lymph nodes were found in 12 out of 40 cases, and NAMPT expression was higher in the metastatic group (P = 0.0258). Multifocality was not associated with higher NAMPT expression (P = 0.3451). NAMPT expression in thyroid cancers significantly correlated with survivin and with survivin splice variant DEx3 expressions (P < 0.0001; r = 0.624 and P = 0.0239; r = 0.357, respectively). There was no correlation between NAMPT and survivin 2B expressions (P = 0.3508). This is the first study demonstrating NAMPT overexpression in thyroid malignancies using quantitative RT-PCR. Moreover, it shows that NAMPT is upregulated in patients with more advanced tumor stage and metastatic disease which may prove to be clinically relevant. Further studies are needed to explain the role of NAMPT in thyroid cancer biology and the possible use of NAMPT inhibitors in thyroid cancer.
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Affiliation(s)
- Nadia Sawicka-Gutaj
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Przybyszewski St. 49, Poznań, Poland.
| | - Joanna Waligórska-Stachura
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Przybyszewski St. 49, Poznań, Poland
| | - Mirosław Andrusiewicz
- Department of Cell Biology, Poznan University of Medical Sciences, Rokietnicka St. 5d, Poznań, Poland
| | - Maciej Biczysko
- Department of General, Gastroenterological and Endocrine Surgery, Poznan University of Medical Sciences, Przybyszewski St. 49, Poznań, Poland
| | - Jerzy Sowiński
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Przybyszewski St. 49, Poznań, Poland
| | - Jerzy Skrobisz
- Department of General Surgery and Multiple Trauma, with Division of Gastroenterological and Endocrine Surgery, Provincial Hospital, Juraszów St. 7/19, Poznań, Poland
| | - Marek Ruchała
- Department of Endocrinology, Metabolism and Internal Medicine, Poznan University of Medical Sciences, Przybyszewski St. 49, Poznań, Poland
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Abstract
Osteopenia and osteoporosis are common manifestations in inflammatory bowel diseases (IBD) but the pathogenetic mechanism of bone loss in IBD is only partially understood. There is evidence that fat mass is an important determinant of the bone mineral density and adipose-derived factors seem to play an important role for the association between fat mass and bone mass. The association between adiposity and low bone density is rather poorly studied in IBD, but emerging data on adipokines in IBD in relation to osteoporosis provide a novel pathophysiological concept that may shed light on the etiology of bone loss in IBD. It could be suggested that adipokines interfere in bone metabolism by altering the sensitive balance between osteoblasts and osteoclasts although further studies in this setting are needed.
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Datta NS. Muscle-bone and fat-bone interactions in regulating bone mass: do PTH and PTHrP play any role? Endocrine 2014; 47:389-400. [PMID: 24802058 DOI: 10.1007/s12020-014-0273-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2014] [Accepted: 04/10/2014] [Indexed: 02/07/2023]
Abstract
Metabolic bone disease occurs when there is a net loss in bone density. Osteoporosis, the most common metabolic bone disease, is a devastating problem and an increasingly major public health issue. A substantial body of evidence in the elderly population indicates that a relationship exists between the components of body weight and various measures of bone/mass, density, and function. Both muscle and fat contribute to the body's total weight and the intimate associations of muscle, fat, and bone are known. But the close functional interactions between muscle and bone or fat and bone are largely unidentified and have drawn much attention in recent years. Each of these tissues not only responds to afferent signals from traditional hormone systems and the central nervous systems but also secretes factors with important endocrine functions. Studies suggest that during growth, development, and aging, the relationship of muscle and fat with the skeleton possibly governs bone homeostasis and turnover. A better understanding of the endocrine function and the cellular and molecular mechanisms and pathways linking muscle or adipose tissues with bone anabolism and catabolism is a new avenue for novel pathways for anabolic drug discovery. These in turn will likely lead to more rational therapy toward increasingly prevalent disorders like osteoporosis. In this review, some of the recent works on the interaction of bone with muscle and fat are highlighted, and in so doing the role of parathyroid hormone (PTH), and PTH-related peptide (PTHrP) is surveyed.
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Affiliation(s)
- Nabanita S Datta
- Department Internal Medicine/Endocrinology, Cardiovascular Research Institute, Karmanos Cancer Institute, Wayne State University School of Medicine, 1107 Elliman Building, 421 East Canfield Avenue, Detroit, MI, 48201, USA,
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Waluga M, Hartleb M, Boryczka G, Kukla M, Żwirska-Korczala K. Serum adipokines in inflammatory bowel disease. World J Gastroenterol 2014; 20:6912-6917. [PMID: 24944482 PMCID: PMC4051931 DOI: 10.3748/wjg.v20.i22.6912] [Citation(s) in RCA: 58] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2013] [Revised: 02/18/2014] [Accepted: 03/10/2014] [Indexed: 02/06/2023] Open
Abstract
AIM: To investigate serum adipokine levels in inflammatory bowel disease (IBD) patients before treatment and after achieving clinical remission.
METHODS: Serum concentrations of six adipokines (tissue growth factor-β1, adiponectin, leptin, chemerin, resistin, and visfatin) were studied in 40 subjects with active IBD [24 subjects with Crohn’s disease (CD) and in 16 subjects with ulcerative colitis (UC)] before and after three months of therapy with corticosteroids and/or azathioprine. Clinical diagnoses were based on ileocolonoscopy, computed tomography or magnetic resonance enterography and histological examination of mucosal biopsies sampled during endoscopy. Serum levels of adipokines were assessed by an indirect enzyme-linked immunosorbent assay. The control group was comprised of 16 age- and sex-matched healthy volunteers.
RESULTS: Baseline leptin concentrations were significantly decreased in both types of IBD compared to controls (8.0 ± 9.1 in CD and 8.6 ± 6.3 in UC vs 16.5 ± 10.1 ng/mL in controls; P < 0.05), and significantly increased after treatment only in subjects with CD (14.9 ± 15.1 ng/mL; P < 0.05). Baseline serum resistin concentrations were significantly higher in CD (19.3 ± 12.5 ng/mL; P < 0.05) and UC subjects (23.2 ± 11.0 ng/mL; P < 0.05) than in healthy controls (10.7 ± 1.1 ng/mL). Treatment induced a decrease in the serum resistin concentration only in UC subjects (14.5 ± 4.0 ng/mL; P < 0.05). Baseline serum concentrations of visfatin were significantly higher in subjects with CD (23.2 ± 3.2 ng/mL; P < 0.05) and UC (18.8 ± 5.3 ng/mL; P < 0.05) than in healthy controls (14.1 ± 5.3 ng/mL). Treatment induced a decrease in the serum visfatin concentrations only in CD subjects (20.4 ± 4.8 ng/mL; P < 0.05). Serum levels of adiponectin, chemerin and tissue growth factor-β1 did not differ between CD and UC subjects compared to healthy controls and also were not altered by anti-inflammatory therapy. Clinical indices of IBD activity did not correlate with adipokine levels.
CONCLUSION: IBD modulates serum adipokine levels by increasing resistin and visfatin release and suppressing leptin production.
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Scotece M, Conde J, Abella V, López V, Pino J, Lago F, Gómez-Reino JJ, Gualillo O. Bone metabolism and adipokines: are there perspectives for bone diseases drug discovery? Expert Opin Drug Discov 2014; 9:945-57. [PMID: 24857197 DOI: 10.1517/17460441.2014.922539] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
INTRODUCTION Over the past 20 years, the idea that white adipose tissue (WAT) is simply an energy depot organ has been radically changed. Indeed, present understanding suggests WAT to be an endocrine organ capable of producing and secreting a wide variety of proteins termed adipokines. These adipokines appear to be relevant factors involved in a number of different functions, including metabolism, immune response, inflammation and bone metabolism. AREAS COVERED In this review, the authors focus on the effects of several adipose tissue-derived factors in bone pathophysiology. They also consider how the modification of the adipokine network could potentially lead to promising treatment options for bone diseases. EXPERT OPINION There are currently substantial developments being made in the understanding of the interplay between bone metabolism and the metabolic system. These insights could potentially lead to the development of new treatment strategies and interventions with the aim of successful outcomes in many people affected by bone disorders. Specifically, future research should look into the intimate mechanisms regulating peripheral and central activity of adipokines as it has potential for novel drug discovery.
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Affiliation(s)
- Morena Scotece
- Santiago University Clinical Hospital, SERGAS, Division of Rheumatology, Research Laboratory 9 , Santiago de Compostela, 15706 , Spain
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Muruganandan S, Sinal CJ. The impact of bone marrow adipocytes on osteoblast and osteoclast differentiation. IUBMB Life 2014; 66:147-155. [PMID: 24638917 DOI: 10.1002/iub.1254] [Citation(s) in RCA: 63] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2014] [Accepted: 02/28/2014] [Indexed: 01/07/2023]
Abstract
Throughout life, bone is constantly remodeled through the complementary processes of bone resorption and bone formation. Highly coordinated regulation of these activities is essential for maintaining consistent bone quality and quantity. Normally, the development and function of bone-forming (osteoblast) and bone-resorbing (osteoclast) cells are tightly regulated by signaling molecules secreted by these two cell types. Within the bone marrow microenvironment, osteoblasts arise from mesenchymal stem cells (MSCs), which are in close contact with the hematopoietic stem cell (HSC) precursors that differentiate into mature osteoclasts. Signaling molecules secreted by osteoblasts (e.g., receptor activator of nuclear factor kappa B ligand and osteoprotegerin) and osteoclasts (e.g., bone morphogenetic protein 6, wingless-type MMTV integration site family member 10B, sphingosine-1-phosphate, and ephrin-B2) play a key role in bone remodeling by guiding the differentiation, localization, and function of bone cells. In addition to osteoblasts, bone marrow MSCs can also differentiate into adipocytes that affect bone remodeling by competitively suppressing intracellular osteogenic signals, including runt-related transcription factor 2, osterix, and beta-catenin, while simultaneously promoting the secretion of adipogenic signaling molecules such as leptin, adiponectin, chemerin, omentin-1, resistin, and visfatin. Secreted adipogenic factors have also been shown to affect the osteoclastogenic differentiation of HSCs. Herein, we discuss the impact of bone marrow adipocytes on the coupling of osteoblast and osteoclast differentiation, and the relevance to bone-loss disorders such as osteoporosis. © 2014 IUBMB Life, 66(3):147-155, 2014.
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Affiliation(s)
| | - Christopher J Sinal
- Department of Pharmacology, Dalhousie University, Halifax, Nova Scotia, Canada
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Adipokines as drug targets in joint and bone disease. Drug Discov Today 2014; 19:241-58. [DOI: 10.1016/j.drudis.2013.07.012] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2013] [Revised: 07/09/2013] [Accepted: 07/18/2013] [Indexed: 02/07/2023]
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Kruis T, Batra A, Siegmund B. Bacterial translocation - impact on the adipocyte compartment. Front Immunol 2014; 4:510. [PMID: 24432024 PMCID: PMC3881001 DOI: 10.3389/fimmu.2013.00510] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2013] [Accepted: 12/24/2013] [Indexed: 12/29/2022] Open
Abstract
Over the last decade it became broadly recognized that adipokines and thus the fat tissue compartment exert a regulatory function on the immune system. Our own group described the pro-inflammatory function of the adipokine leptin within intestinal inflammation in a variety of animal models. Following-up on this initial work, the aim was to reveal stimuli and mechanisms involved in the activation of the fat tissue compartment and the subsequent release of adipokines and other mediators paralleled by the infiltration of immune cells. This review will summarize the current literature on the possible role of the mesenteric fat tissue in intestinal inflammation with a focus on Crohn’s disease (CD). CD is of particular interest in this context since the transmural intestinal inflammation has been associated with a characteristic hypertrophy of the mesenteric fat, a phenomenon called “creeping fat.” The review will address three consecutive questions: (i) What is inducing adipocyte activation, (ii) which factors are released after activation and what are the consequences for the local fat tissue compartment and infiltrating cells; (iii) do the answers generated before allow for an explanation of the role of the mesenteric fat tissue within intestinal inflammation? With this review we will provide a working model indicating a close interaction in between bacterial translocation, activation of the adipocytes, and subsequent direction of the infiltrating immune cells. In summary, the models system mesenteric fat indicates a unique way how adipocytes can directly interact with the immune system.
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Affiliation(s)
- Tassilo Kruis
- Department of Medicine I (Gastroenterology, Rheumatology, Infectious Diseases), Charité - Universitätsmedizin Berlin , Berlin , Germany
| | - Arvind Batra
- Department of Medicine I (Gastroenterology, Rheumatology, Infectious Diseases), Charité - Universitätsmedizin Berlin , Berlin , Germany
| | - Britta Siegmund
- Department of Medicine I (Gastroenterology, Rheumatology, Infectious Diseases), Charité - Universitätsmedizin Berlin , Berlin , Germany
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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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Liu Y, Song CY, Wu SS, Liang QH, Yuan LQ, Liao EY. Novel adipokines and bone metabolism. Int J Endocrinol 2013; 2013:895045. [PMID: 23431296 PMCID: PMC3575660 DOI: 10.1155/2013/895045] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/15/2012] [Accepted: 01/02/2013] [Indexed: 01/25/2023] Open
Abstract
Osteoporosis is a serious social issue nowadays. Both the high morbidity and its common complication osteoporotic fracture load a heavy burden on the whole society. The adipose tissue is the biggest endocrinology organ that has a different function on the bone. The adipocytes are differentiated from the same cell lineage with osteoblast, and they can secrete multiple adipokines with various functions on bone remolding. Recently, several novel adipokines have been identified and investigated thoroughly. In this paper, we would like to highlight the complicated relation between the bone metabolism and the novel adipokines, and it may provide us with a new target for prediction and treatment of osteoporosis.
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Affiliation(s)
- Yuan Liu
- Institute of Metabolism and Endocrinology, Second Xiangya Hospital, Central South University, Changsha 410011, Hunan, China
- Geriatric Department, Second Xiangya Hospital, Central South University, Changsha 410011, Hunan, China
| | - Cheng-Yuan Song
- Neurology Department, Xiangya Hospital, Central South University, Changsha 410008, Hunan, China
| | - Shan-Shan Wu
- Institute of Metabolism and Endocrinology, Second Xiangya Hospital, Central South University, Changsha 410011, Hunan, China
| | - Qiu-Hua Liang
- Institute of Metabolism and Endocrinology, Second Xiangya Hospital, Central South University, Changsha 410011, Hunan, China
| | - Ling-Qing Yuan
- Institute of Metabolism and Endocrinology, Second Xiangya Hospital, Central South University, Changsha 410011, Hunan, China
- *Ling-Qing Yuan:
| | - Er-Yuan Liao
- Institute of Metabolism and Endocrinology, Second Xiangya Hospital, Central South University, Changsha 410011, Hunan, China
- *Er-Yuan Liao: and
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Tohidi M, Akbarzadeh S, Larijani B, Kalantarhormozi M, Ostovar A, Assadi M, Vahdat K, Farrokhnia M, Sanjdideh Z, Amirinejad R, Nabipour I. Omentin-1, visfatin and adiponectin levels in relation to bone mineral density in Iranian postmenopausal women. Bone 2012; 51:876-81. [PMID: 22971441 DOI: 10.1016/j.bone.2012.08.117] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2012] [Revised: 07/22/2012] [Accepted: 08/06/2012] [Indexed: 11/30/2022]
Abstract
The bone and fat interface is implicated in the pathogenesis of postmenopausal osteoporosis. The association between circulating omentin-1 levels and bone mineral density (BMD) in postmenopausal women has never been assessed. A total of 382 healthy postmenopausal women were randomly selected. Omentin-1, visfatin, adiponectin, the receptor activator of nuclear factor-κB ligand (RANKL), osteoprotegerin, high sensitivity C-reactive protein, degradation products of C-terminal telopeptides of type I collagen, and osteocalcin were measured by highly specific enzyme-linked immunosorbent assay methods. BMD was determined for the lumbar spine (L2-L4) and the proximal femur using dual-energy X-ray absorptiometry. In multivariable-adjusted linear regression, serum omentin-1 levels were inversely correlated with BMD at the lumbar spine (β=-0.11, p=0.020). In multiple regression analyses, serum visfatin and adiponectin levels were not significantly correlated with BMD at different skeletal sites after controlling for age, body mass index, and bone-related markers. However, the highest quartile of adiponectin compared to the lowest quartile, after adjusting for potential confounders, revealed an inverse association with BMD in the lumbar spine (β=-0.19, p=0.010). In conclusion, circulating omentin-1 levels had an inverse correlation with BMD at the lumbar spine in Iranian postmenopausal women. To further understand the role of omentin-1 in bone and mineral metabolism, large-scale longitudinal studies focusing on BMD and osteoporotic fractures are warranted.
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Affiliation(s)
- Maasumeh Tohidi
- Department of Endocrine and Metabolic Diseases, The Persian Gulf Tropical Medicine Research Centre, Bushehr University of Medical Sciences, 7514763448, Bushehr, Iran
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PBEF/NAMPT/visfatin: a promising drug target for treating rheumatoid arthritis? Future Med Chem 2012; 4:751-69. [PMID: 22530639 DOI: 10.4155/fmc.12.34] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
NAMPT, also known as pre-B-cell colony-enhancing factor and visfatin, has been proposed to be involved in preventing apoptosis in cancer cells and, as such, has received a great deal of attention in recent years and stimulated the development to specific inhibitors for treating cancer. The role of NAMPT inhibitors as potential therapeutic agents for other diseases has not been studied extensively. Here, we describe their applicability for treating rheumatoid arthritis. We summarize current knowledge of NAMPT expression in healthy and diseased tissues, thereafter, we focus on pathological mechanisms relevant to rheumatoid arthritis that involve the NAMPT pathway and review the current status of NAMPT inhibitors being evaluated in clinical trials.
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Chaudhary N, Nakka KK, Maulik N, Chattopadhyay S. Epigenetic manifestation of metabolic syndrome and dietary management. Antioxid Redox Signal 2012; 17:254-81. [PMID: 22229755 DOI: 10.1089/ars.2011.4387] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
SIGNIFICANCE Metabolic syndrome constitutes a group of disorders such as insulin resistance, hypertension, and hypertriglyceridemia, predisposing an individual to risk factors such as cardiovascular disease, diabetes, obesity, and dyslipidemia. A majority of these diseases are influenced by the environmental factors, nutrient uptake, and genetic profile of an individual that together dysregulate gene function. These genetic and nongenetic factors are reported to introduce epigenetic cues that modulate the gene function which is inherited by the offspring. RECENT ADVANCES Considering the epigenetic modulation of the metabolic disorders, nutrigenomics has been distinctly categorized as a branch that deals with modulatory effect of nutrients on metabolic disorders and disease progression by supplementing the individuals with key nutrient-enriched diets which are derived from plant and animal sources. CRITICAL ISSUES Nutritional components of the diet regulate the metabolic health of an individual either by controlling the expression of some key genes related to metabolic pathways or by modulating the epigenetic events on such genes. The present article discusses various metabolic disorders in detail and the effect of nutrients on the specific genes causing those disorders. We also highlight the molecular mechanisms of some metabolic disorders through epigenetic modifications and possible therapeutic interventions. FUTURE DIRECTIONS With the advent of high-throughput technologies and epigenetic modulation of the metabolic disorders, an altered epigenetic code that is programmed due to improper nutrients can be reverted back by supplementing the diet with various plant-derived compounds. The implication of small molecular drugs is also of utmost significance for challenging the metabolic disorders.
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Affiliation(s)
- Nidhi Chaudhary
- Department of Chromatin and Disease, National Centre for Cell Science, Pune, India
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Sun Y, Chen S, Song G, Ren L, Wei L, Liu N, Zhang D, Lv X. Effect of visfatin on the function of endothelial progenitor cells in high-fat-fed obese rats and investigation of its mechanism of action. Int J Mol Med 2012; 30:622-8. [PMID: 22710477 DOI: 10.3892/ijmm.2012.1032] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2012] [Accepted: 04/09/2012] [Indexed: 11/05/2022] Open
Abstract
The aim of this study was to study the quantity change of endothelial progenitor cells (EPCs) in obese rats fed a high-fat-diet and to investigate the correlation of EPC numbers with visfatin. The impact of visfatin on the quantity and function of EPCs were further investigated by cell culture methods. Male Wistar rats were fed on either a standard diet (NC group) or a high-fat diet (HF group) for 16 weeks. Serum visfatin, Lee's index and the protein expression of visfatin in viseral adipose tissue (VAT) were determined. Bone marrow EPCs in 2 groups of rats were isolated, cultured and counted. EPCs primarily cultured from control male Wistar rats were treated with different concentrations of visfatin. The quantity, migration and adhesion capacity of EPCs were evaluated after visfatin treatment. Protein expression of nuclear factor-κB (NF-κB) in the nuclei of EPCs was detected. After 16-week feeding, body weight, serum visfatin, Lee's index and visfatin contents in viseral fat were significantly increased in the HF group compared with NC group (P<0.01 or P<0.05). The quantity of EPCs primarily cultured from rats in HF group was lower than that in NC group. The quantity of EPCs was negatively correlated with serum visfatin levels, visceral fat, fasting blood glucose, HOMA-IR, total cholesterol, triglyceride and body weight (P<0.01). In cultured EPCs, visfatin significantly increased the protein expression of NF-κB in EPC nuclei (P<0.01) in a dose-dependent manner. The migration and adhesion capacity were impaired by visfatin treatment (P<0.01). In conclusion, bone marrow-derived EPCs decrease in number and have impaired migration and adhesion function in high-fat-fed obese rats, along with increased serum visfatin and protein contents in VAT. Visfatin may have an impact on the quantity and function of EPCs through the NF-κB pathway.
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Affiliation(s)
- Yang Sun
- Department of Endocrinology, Hebei General Hospital, Shijiazhuang, Hebei, P.R. China
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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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Fouda N, Abaza N, El-Hilaly R, El Said HW, EL-kabarity RH. Evaluation of visfatin in patients with systemic lupus erythematosus: Correlation with disease activity and lupus nephritis. EGYPTIAN RHEUMATOLOGIST 2012. [DOI: 10.1016/j.ejr.2011.09.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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