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Landry V, Coburn P, Kost K, Liu X, Li-Jessen NYK. Diagnostic Accuracy of Liquid Biomarkers in Airway Diseases: Toward Point-of-Care Applications. Front Med (Lausanne) 2022; 9:855250. [PMID: 35733871 PMCID: PMC9207186 DOI: 10.3389/fmed.2022.855250] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2022] [Accepted: 05/04/2022] [Indexed: 12/30/2022] Open
Abstract
Background Liquid biomarkers have shown increasing utility in the clinical management of airway diseases. Salivary and blood samples are particularly amenable to point-of-care (POC) testing due to simple specimen collection and processing. However, very few POC tests have successfully progressed to clinical application due to the uncertainty and unpredictability surrounding their diagnostic accuracy. Objective To review liquid biomarkers of airway diseases with well-established diagnostic accuracies and discuss their prospects for future POC applications. Methodology A literature review of publications indexed in Medline or Embase was performed to evaluate the diagnostic accuracy of liquid biomarkers for chronic obstructive pulmonary disease (COPD), asthma, laryngopharyngeal reflux (LPR), and COVID-19. Results Of 3,628 studies, 71 fulfilled the inclusion criteria. Sputum and blood eosinophils were the most frequently investigated biomarkers for the management of asthma and COPD. Salivary pepsin was the only biomarker with a well-documented accuracy for the diagnosis of LPR. Inflammatory blood biomarkers (e.g., CRP, D-dimers, ferritin) were found to be useful to predict the severity, complications, and mortality related to COVID-19 infection. Conclusion Multiple liquid biomarkers have well-established diagnostic accuracies and are thus amenable to POC testing in clinical settings.
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Affiliation(s)
- Vivianne Landry
- Faculty of Medicine, University of Montreal, Montreal, QC, Canada
- School of Communication Sciences & Disorders, McGill University, Montreal, QC, Canada
| | - Patrick Coburn
- School of Communication Sciences & Disorders, McGill University, Montreal, QC, Canada
| | - Karen Kost
- Department of Otolaryngology-Head & Neck Surgery, McGill University, Montreal, QC, Canada
| | - Xinyu Liu
- Department of Mechanical & Industrial Engineering, University of Toronto, Toronto, ON, Canada
| | - Nicole Y. K. Li-Jessen
- School of Communication Sciences & Disorders, McGill University, Montreal, QC, Canada
- Department of Otolaryngology-Head & Neck Surgery, McGill University, Montreal, QC, Canada
- Department of Biomedical Engineering, McGill University, Montreal, QC, Canada
- The Research Institute of the McGill University Health Centre, Montreal, QC, Canada
- *Correspondence: Nicole Y. K. Li-Jessen,
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Qin W, Wang T, Liu G, Sun L, Han W, Gao Y. Dynamic Urinary Proteome Changes in Ovalbumin-Induced Asthma Mouse Model Using Data-Independent Acquisition Proteomics. J Asthma Allergy 2021; 14:1355-1366. [PMID: 34785909 PMCID: PMC8590963 DOI: 10.2147/jaa.s330054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2021] [Accepted: 10/30/2021] [Indexed: 01/09/2023] Open
Abstract
Background In this work, we aim to investigate dynamic urinary proteome changes during asthma development and to identify potential urinary protein biomarkers for the diagnosis of asthma. Methods An ovalbumin (OVA)-induced mouse model was used to mimic asthma. The urinary proteome from asthma and control mice was determined using data-independent acquisition combined with high-resolution tandem mass spectrometry. Results Overall, 331 proteins were identified, among which 53 were differentially expressed (26, 24, 14 and 20 on days 2, 8, 15 and 18, respectively; 1.5-fold change, adjust P<0.05). Gene Ontology annotation of the differential proteins showed that the acute-phase response, innate immune response, B cell receptor signaling pathway, and complement activation were significantly enriched. Protein–protein interaction network revealed that these differential proteins were partially biologically connected in OVA-induced asthma, as a group. On days 2 and 8, after two episodes of OVA sensitization, six differential proteins (CRAMP, ECP, HP, F2, AGP1, and CFB) were also reported to be closely associated with asthma. These proteins may hold the potential for the early screening of asthma. On days 15 and 18, after challenged with 1% OVA by inhalation, seven differential proteins (VDBP, HP, CTSE, PIGR, AAT, TRFE, and HPX) were also reported to be closely associated with asthma. Thus, these proteins hold the potential to be biomarkers for the diagnosis of asthma attack. Conclusion Our results indicate that the urinary proteome could reflect dynamic pathophysiological changes in asthma progression.
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Affiliation(s)
- Weiwei Qin
- Department of Anesthesiology, Qingdao Municipal Hospital, Qingdao University, Qingdao, 266071, People's Republic of China.,Department of Biochemistry and Molecular Biology, Gene Engineering Drug and Biotechnology Beijing Key Laboratory, Beijing Normal University, Beijing, 100875, People's Republic of China
| | - Ting Wang
- Department of Biochemistry and Molecular Biology, Gene Engineering Drug and Biotechnology Beijing Key Laboratory, Beijing Normal University, Beijing, 100875, People's Republic of China
| | - Guangwei Liu
- Key Laboratory of Cell Proliferation and Regulation Biology, Ministry of Education, Institute of Cell Biology, College of Life Sciences, Beijing Normal University, Beijing, 100875, People's Republic of China
| | - Lixin Sun
- Department of Anesthesiology, Qingdao Municipal Hospital, Qingdao University, Qingdao, 266071, People's Republic of China
| | - Wei Han
- Department of Respiratory Medicine, Qingdao Municipal Hospital, Qingdao University, Qingdao, 266071, People's Republic of China
| | - Youhe Gao
- Department of Biochemistry and Molecular Biology, Gene Engineering Drug and Biotechnology Beijing Key Laboratory, Beijing Normal University, Beijing, 100875, People's Republic of China
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Abstract
PURPOSE OF REVIEW Work-related asthma is a common disorder among adult asthma patients, and in the case of occupational asthma, it is induced by workplace exposures. RECENT FINDINGS Occupational asthma provides an excellent model and benchmark for identifying and testing different allergy or inflammatory biomarkers associated with its inception or progression. Moreover, specific inhalation challenge with the incriminated agent represents an experimental setting to identify and validate potential systemic or local biomarkers. Some biomarkers are mainly blood-borne, while local airway biomarkers are derived from inflammatory or resident cells. Genetic and gene-environment interaction studies also provide an excellent framework to identify relevant profiles associated with the risk of developing these work-related conditions. Despite significant efforts to identify clinically relevant inflammatory and genomic markers for occupational asthma, apart from the documented utility of airway inflammatory biomarkers, it remains elusive to define specific markers or signatures clearly associated with different endpoints or outcomes in occupational asthma.
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Wang H, Chen W, Li D, Yin X, Zhang X, Olsen N, Zheng SG. Vitamin D and Chronic Diseases. Aging Dis 2017; 8:346-353. [PMID: 28580189 PMCID: PMC5440113 DOI: 10.14336/ad.2016.1021] [Citation(s) in RCA: 217] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2016] [Accepted: 10/21/2016] [Indexed: 12/31/2022] Open
Abstract
Vitamin D is one of the essential nutrients to sustain the human health. As a member of the steroid hormone family, it has a classic role in regulating metabolism of calcium and a non-classic role in affecting cell proliferation and differentiation. Epidemiological studies have shown that 25OHD deficiency is closely associated with common chronic diseases such as bone metabolic disorders, tumors, cardiovascular diseases, and diabetes. 25OHD deficiency is also a risk factor for neuropsychiatric disorders and autoimmune diseases. 25OHD deficiency is highly prevalent in the world. It is therefore necessary to know the adverse health effects of 25OHD deficiency, and to design interventions and early treatments for those who are likely to have low levels of 25OHD.
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Affiliation(s)
- Hanmin Wang
- 1Division of Endocrinology, Quqing First Hospital at Kunming Medical University, Qujing, Yunan 655400, China.,2Expert Workstation, Quqing First Hospital at Kunming Medical University, Qujing, Yunan 655400, China
| | - Weiwen Chen
- 1Division of Endocrinology, Quqing First Hospital at Kunming Medical University, Qujing, Yunan 655400, China.,2Expert Workstation, Quqing First Hospital at Kunming Medical University, Qujing, Yunan 655400, China
| | - Dongqing Li
- 1Division of Endocrinology, Quqing First Hospital at Kunming Medical University, Qujing, Yunan 655400, China.,2Expert Workstation, Quqing First Hospital at Kunming Medical University, Qujing, Yunan 655400, China
| | - Xiaoe Yin
- 1Division of Endocrinology, Quqing First Hospital at Kunming Medical University, Qujing, Yunan 655400, China.,2Expert Workstation, Quqing First Hospital at Kunming Medical University, Qujing, Yunan 655400, China
| | - Xiaode Zhang
- 2Expert Workstation, Quqing First Hospital at Kunming Medical University, Qujing, Yunan 655400, China
| | - Nancy Olsen
- 3Division of Rheumatology, Milton S Hershey Medical Center at Penn State University, Hershey, PA17033, USA
| | - Song Guo Zheng
- 2Expert Workstation, Quqing First Hospital at Kunming Medical University, Qujing, Yunan 655400, China.,3Division of Rheumatology, Milton S Hershey Medical Center at Penn State University, Hershey, PA17033, USA
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Kim SH, Pei QM, Jiang P, Yang M, Qian XJ, Liu JB. Effect of active vitamin D3 on VEGF-induced ADAM33 expression and proliferation in human airway smooth muscle cells: implications for asthma treatment. Respir Res 2017; 18:7. [PMID: 28056993 PMCID: PMC5217212 DOI: 10.1186/s12931-016-0490-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2016] [Accepted: 12/11/2016] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Asthma is a chronic respiratory disease characterized by reversible airway obstruction with persistent airway inflammation and airway remodeling, which is associated with increased airway smooth muscle (ASM) mass. Vascular endothelial growth factor (VEGF) has been implicated in inflammatory and airway blood vessel remodeling in asthma. Recent evidence indicates that a deficiency of 1,25-dihydroxyvitamin D3 (1,25(OH)2D3) may influence asthma pathogenesis. A disintegrin and metalloproteinase (ADAM)33 has been identified as playing a role in the pathophysiology of asthma. ADAM33, which is expressed in ASM cells, is suggested to play a role in the function of these cells. Recent studies show that 1,25-(OH)2D3 exerts direct inhibitory effects on passively sensitized human ASM cells in vitro, including inhibition of ADAM33 expression and cell proliferation; however, the mechanism has not been fully understood. METHODS In order to elucidate the precise mechanism underlying the effect of 1,25(OH)2D3 on VEGF-induced ADAM33 expression and ASM cell proliferation, we tested the effects of 1,25(OH)2D3 on cell cycle progression and evaluated the levels of phospho-VEGF receptor 2 (VEGFR2), phospho-extracellular signal-regulated kinase 1/2 (ERK1/2), and phospho-Akt in VEGF-stimulated ASM cells. RESULTS We found that 1,25(OH)2D3 inhibited VEGF-induced ADAM33 expression and ASM cell proliferation, as well as cell cycle arrest. Additionally, VEGF-induced ADAM33 expression and ASM cell proliferation was suppressed via inhibition of ERK1/2 activity, but not that of Akt. Furthermore, 1,25(OH)2D3 treatment inhibited VEGF-induced activation of VEGFR2 as well as that of ERK and Akt in a concentration-dependent manner. 1,25(OH)2D3 also inhibited transforming growth factor (TGF)-β-induced VEGF secretion by ASM cells. CONCLUSIONS Collectively, our findings suggest that 1,25(OH)2D3 inhibits VEGF-induced ASM cell proliferation by suppressing VEGFR2 and ERK1/2 activation and downregulating ADAM33. Further studies of these mechanisms are needed to facilitate the development of treatments for smooth muscle hyperplasia-associated diseases of the airway such as asthma.
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Affiliation(s)
- Sung-Ho Kim
- Department of Respiration, Tianjin First Central Hospital, Fukanglu-24, Nankaiqu, Tianjin, 300192, China.
| | - Qing-Mei Pei
- Department of Radiology, Tianjin Hospital of Integrated Traditional Chinese and Western Medicine, Tianjin, China
| | - Ping Jiang
- Department of Respiration, Tianjin First Central Hospital, Fukanglu-24, Nankaiqu, Tianjin, 300192, China
| | - Min Yang
- Department of Respiration, Tianjin First Central Hospital, Fukanglu-24, Nankaiqu, Tianjin, 300192, China
| | - Xue-Jiao Qian
- Department of Respiration, Tianjin First Central Hospital, Fukanglu-24, Nankaiqu, Tianjin, 300192, China
| | - Jiang-Bo Liu
- Department of Respiration, Tianjin First Central Hospital, Fukanglu-24, Nankaiqu, Tianjin, 300192, China
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Zhang R, Dong H, Zhao H, Zhou L, Zou F, Cai S. 1,25-Dihydroxyvitamin D 3 targeting VEGF pathway alleviates house dust mite (HDM)-induced airway epithelial barrier dysfunction. Cell Immunol 2016; 312:15-24. [PMID: 27884393 DOI: 10.1016/j.cellimm.2016.11.004] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2016] [Revised: 10/12/2016] [Accepted: 11/06/2016] [Indexed: 01/17/2023]
Abstract
BACKGROUND In our previous studies, we have indentified that 1,25-dihydroxyvitamin D3 (1,25(OH)2D3) can alleviate toluene diisocyanate-induced airway epithelial barrier disruption and we also found that vascular endothelial growth factor (VEGF) derived from airway epithelials cells could disrupt epithelial barrier. OBJECTIVE The study aimed to investigate whether 1,25(OH)2D3 can inhibit house dust mite (HDM) induced airway epithelial barrier dysfunction by regulating the VEGF pathway. METHOD The 16HBE and BEAS-2B cells were cultured and treated according to the experiment requirement. Trans Epithelial Electric Resistance (TEER), permeability of epithelial layer, and distribution and expression of junction proteins were used to evaluate the cell layer barrier function, Western Blot was used to evaluate the expression of junction proteins and phosphorylated Akt in the cells, RT-PCR and ELISA were used to evaluate the VEGF gene expression and protein release in the cells. Recombinant VEGF165 was used to determine the role of the VEGF pathway in the epithelial barrier function. RESULTS HDM resulted in a decline in TEER and increase of cell permeability, following abnormal distribution and expression of junction proteins (E-Cadherin and zona occludens (ZO)-1), accompanied by a significant upregulation of VEGF and phosphorylated Akt, which were all partly recovered by treatment with either 1,25(OH)2D3 or PI3K inhibitor LY294002. VEGF165-induced barrier dysfunction was accompanied by disruption of the epithelial E-cadherin and β-catenin, pretreatment of 1,25(OH)2D3 and LY294002 markedly attenuated VEGF-induced airway barrier disruption in 16HBE cells. CONCLUSION 1,25(OH)2D3 can alleviate HDM-induced airway epithelial barrier dysfunction by inhibiting PI3K pathway-dependent VEGF release.
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Affiliation(s)
- Ruhui Zhang
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Hangming Dong
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Haijin Zhao
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Liqin Zhou
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Fei Zou
- School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou 510515, China
| | - Shaoxi Cai
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China.
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Quirce S, Campo P, Domínguez-Ortega J, Fernández-Nieto M, Gómez-Torrijos E, Martínez-Arcediano A, Mur P, Delgado J. New developments in work-related asthma. Expert Rev Clin Immunol 2016; 13:271-281. [PMID: 27653257 DOI: 10.1080/1744666x.2017.1239529] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
INTRODUCTION Work-related asthma includes two subtypes: occupational asthma or asthma caused by specific agents (sensitizers or irritants) in the workplace, and work-exacerbated asthma or pre-existing asthma worsened by workplace exposures. Areas covered: This review provides an update on the definitions and the clinical features of the different work-related asthma subtypes as well as new insights into their etiology and the pathophysiological mechanisms involved. The diagnosis of work-related asthma should be made on objective basis using a constellation of clinical, physiologic and allergologic tests. Specific inhalation challenge with the suspected occupational agent(s) remains as the reference standard for diagnosis. A literature search was performed using the following terms: work-related asthma, occupational asthma, work-exacerbated asthma, irritant-induced asthma and etiological agents. Expert commentary: Studies focusing on the biological effects and mechanisms of environmental exposures in the development of sensitizer-induced or irritant-induced asthma in various workplace settings are of greatest interest. An integrative approach that combines clinical parameters with component-resolved diagnosis as well as inflammatory biomarkers appears to be very promising. Occupational allergy provides a good opportunity to understand the complex relationships between exposure to allergens in the workplace, interaction with genes and the co-exposures to other factors in the working environment.
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Affiliation(s)
- Santiago Quirce
- a Department of Allergy , Hospital La Paz Institute for Health Research and CIBER of Respiratory Diseases, CIBERES , Madrid , Spain
| | - Paloma Campo
- b Unidad de Gestión Clínica Allergy-IBIMA , Hospital Regional Universitario , Malaga , Spain
| | - Javier Domínguez-Ortega
- a Department of Allergy , Hospital La Paz Institute for Health Research and CIBER of Respiratory Diseases, CIBERES , Madrid , Spain
| | | | | | | | - Pilar Mur
- f Allergy Unit , Hospital Santa Barbara , Puertollano , Spain
| | - Julio Delgado
- g Unidad de Gestión Clínica Alergología , Hospital Virgen Macarena , Sevilla , Spain
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Hur GY, Park HS. Biological and genetic markers in occupational asthma. Curr Allergy Asthma Rep 2015; 15:488. [PMID: 25430950 DOI: 10.1007/s11882-014-0488-7] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
Occupational asthma (OA) is a complex disease that is often hard to diagnose due to difficulties in detecting relevant exposure, along with inherent differences in disease susceptibility. Numerous studies have attempted to identify relevant biological and genetic markers for OA and to devise tools capable of detecting exposure to the causative agent. Immunological markers, including skin prick test reactivity and specific IgE and IgG antibodies can be used to detect high-molecular-weight allergens in cases of baker's asthma. For OA induced by low-molecular-weight agents, such as isocyanate, potential biomarkers include serum-specific IgE and IgG antibodies to isocyanate-HSA conjugate and IgG to cytokeratin 19 and transglutaminase-2. For protein-based markers, ferritin/transferrin and vitamin D-binding protein levels have been suggested for isocyanate-OA. Genetic markers of susceptibility to isocyanate-OA include human leukocyte antigen and CTNNA3. Further investigations will be needed to identify better biomarkers for OA, which may be used to inform clinical decision.
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Affiliation(s)
- Gyu-Young Hur
- Department of Internal Medicine, Korea University College of Medicine, 148 Gurodong-Ro, Guro, Seoul, 152-703, South Korea,
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9
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Abstract
In the last decade, many epidemiologic studies have investigated the link between vitamin D deficiency and asthma. Most studies have shown that vitamin D deficiency increases the risk of asthma and allergies. Low levels of vitamin D have been associated with asthma severity and loss of control, together with recurrent exacerbations. Remodeling is an early event in asthma described as a consequence of production of mediators and growth factors by inflammatory and resident bronchial cells. Consequently, lung function is altered, with a decrease in forced expiratory volume in one second and exacerbated airway hyperresponsiveness. Subepithelial fibrosis and airway smooth muscle cell hypertrophy are typical features of structural changes in the airways. In animal models, vitamin D deficiency enhances inflammation and bronchial anomalies. In severe asthma of childhood, major remodeling is observed in patients with low vitamin D levels. Conversely, the antifibrotic and antiproliferative effects of vitamin D in smooth muscle cells have been described in several experiments. In this review, we briefly summarize the current knowledge regarding the relationship between vitamin D and asthma, and focus on its effect on airway remodeling and its potential therapeutic impact for asthma.
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Affiliation(s)
- Anissa Berraies
- Pediatric Respiratory Diseases Department, Abderrahmen Mami Hospital, Ariana, and Research Unit 12SP15 Tunis El Manar University, Tunis, Tunisia
| | - Kamel Hamzaoui
- Pediatric Respiratory Diseases Department, Abderrahmen Mami Hospital, Ariana, and Research Unit 12SP15 Tunis El Manar University, Tunis, Tunisia
| | - Agnes Hamzaoui
- Pediatric Respiratory Diseases Department, Abderrahmen Mami Hospital, Ariana, and Research Unit 12SP15 Tunis El Manar University, Tunis, Tunisia
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Speeckaert MM, Speeckaert R, van Geel N, Delanghe JR. Vitamin D binding protein: a multifunctional protein of clinical importance. Adv Clin Chem 2014; 63:1-57. [PMID: 24783350 DOI: 10.1016/b978-0-12-800094-6.00001-7] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Since the discovery of group-specific component and its polymorphism by Hirschfeld in 1959, research has put spotlight on this multifunctional transport protein (vitamin D binding protein, DBP). Besides the transport of vitamin D metabolites, DBP is a plasma glycoprotein with many important functions, including sequestration of actin, modulation of immune and inflammatory responses, binding of fatty acids, and control of bone development. A considerable DBP polymorphism has been described with a specific allele distribution in different geographic area. Multiple studies have shed light on the interesting relationship between polymorphisms of the DBP gene and the susceptibility to diseases. In this review, we give an overview of the multifunctional character of DBP and describe the clinical importance of DBP and its polymorphisms. Finally, we discuss the possibilities to use DBP as a novel therapeutic agent.
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Huang H, Porpodis K, Zarogoulidis P, Domvri K, Giouleka P, Papaiwannou A, Primikyri S, Mylonaki E, Spyratos D, Hohenforst-Schmidt W, Kioumis I, Zarogoulidis K. Vitamin D in asthma and future perspectives. DRUG DESIGN DEVELOPMENT AND THERAPY 2013; 7:1003-13. [PMID: 24082782 PMCID: PMC3785396 DOI: 10.2147/dddt.s50599] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Humans have the ability to synthesize vitamin D during the action of ultraviolet (UV) radiation upon the skin. Apart from the regulation of calcium and phosphate metabolism, another critical role for vitamin D in immunity and respiratory health has been revealed, since vitamin D receptors have also been found in other body cells. The term "vitamin D insufficiency" has been used to describe low levels of serum 25-hydroxyvitamin D that may be associated with a wide range of pulmonary diseases, including viral and bacterial respiratory infection, asthma, chronic obstructive pulmonary disease, and cancer. This review focuses on the controversial relationship between vitamin D and asthma. Also, it has been found that different gene polymorphisms of the vitamin D receptor have variable associations with asthma. Other studies investigated the vitamin D receptor signaling pathway in vitro or in experimental animal models and showed either a beneficial or a negative effect of vitamin D in asthma. Furthermore, a range of epidemiological studies has also suggested that vitamin D insufficiency is associated with low lung function. In the future, clinical trials in different asthmatic groups, such as infants, children of school age, and ethnic minorities are needed to establish the role of vitamin D supplementation to prevent and/or treat asthma.
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Affiliation(s)
- Haidong Huang
- Department of Respiratory Diseases, Changhai Hospital/First Affiliated Hospital of the Second Military Medical University, Shanghai, People's Republic of China
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Luong KVQ, Nguyen LTH. Beneficial role of vitamin D3 in the prevention of certain respiratory diseases. Ther Adv Respir Dis 2013; 7:327-50. [PMID: 24056290 DOI: 10.1177/1753465813503029] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Abstract
There is evidence of aberrations in the vitamin D-endocrine system in subjects with respiratory diseases. Vitamin D deficiency is highly prevalent in patients with respiratory diseases, and patients who receive vitamin D have significantly larger improvements in inspiratory muscle strength and maximal oxygen uptake. Studies have provided an opportunity to determine which proteins link vitamin D to respiratory pathology, including the major histocompatibility complex class II molecules, vitamin D receptor, vitamin D-binding protein, chromosome P450, Toll-like receptors, poly(ADP-ribose) polymerase-1, and the reduced form of nicotinamide adenine dinucleotide phosphate. Vitamin D also exerts its effect on respiratory diseases through cell signaling mechanisms, including matrix metalloproteinases, mitogen-activated protein kinase pathways, the Wnt/β-catenin signaling pathway, prostaglandins, reactive oxygen species, and nitric oxide synthase. In conclusion, vitamin D plays a significant role in respiratory diseases. The best form of vitamin D for use in the treatment of respiratory diseases is calcitriol because it is the active metabolite of vitamin D3 and modulates inflammatory cytokine expression. Further investigation of calcitriol in respiratory diseases is needed.
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Affiliation(s)
- Khanh Vinh Quoc Luong
- Vietnamese American Medical Research Foundation, 14971 Brookhurst Street, Westminster, CA 92683, USA
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