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Zovko T, Galic K, Vasilj M, Pravdic N, Mikulic I, Mikulic V, Mandic A, Zovko S, Pravdic D. Correlation of Parathyroid Hormone Values With Lung Function Parameters in Patients With Chronic Obstructive Pulmonary Disease. Cureus 2024; 16:e64053. [PMID: 39114236 PMCID: PMC11304033 DOI: 10.7759/cureus.64053] [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] [Accepted: 07/06/2024] [Indexed: 08/10/2024] Open
Abstract
OBJECTIVES The aim of this study was to determine the disturbances in the concentration of parathyroid hormone (PTH) and 25-hydroxyvitamin D (vitamin D) in patients with stable chronic obstructive pulmonary disease (COPD) and its correlation with airflow obstruction. MATERIALS AND METHODS A prospective study included 200 patients with a confirmed diagnosis of COPD in the Department of Lung Diseases and Tuberculosis and Pulmonology Polyclinic of University Clinical Hospital Mostar in the period of three years, between May 2021 and May 2024. Inclusion criteria were a stable phase of COPD, hemodynamically stable patients older than 40 years, forced vital capacities in the first second (FEV1)/forced vital capacities (FVC) <0.7, and patients with PTH, vitamin D, calcium, and phosphate measurements. Exclusion criteria were acute exacerbation of COPD in the last month; current treatment with nutritional supplements, vitamins, and statins; lack of availability of lung function data; use of systemic corticosteroids in the previous three months; chronic renal insufficiency, respiratory diseases other than COPD (asthma, pneumonia, tuberculosis, and bronchiectasis), and other diseases (cancer and parathyroid disease). Medical records about demographic data (age and gender), pulmonary function test (FVC, FEV1, FEV1%FVC, mean expiratory flow (MEF)50), body mass index (BMI), COPD assessment test (CAT), Modified Medical Research Council (mMRC) Dyspnea Scale, and serum PTH, vitamin D, calcium, and phosphate levels were obtained. RESULTS Patients with higher COPD stage had lower spirometry values, most significantly MEF50. The higher the COPD group (Global Initiative for Chronic Obstructive Lung Disease (GOLD) D), the lower vitamin D and the higher PTH levels were. Calcium and phosphate values were the same for all groups. Vitamin D and PTH levels significantly correlated with MEF50 values. The lower MEF50 level, the higher PTH levels, and lower vitamin D levels were found (P<0.05). CONCLUSION Our study showed that the patients in the higher COPD group have lower vitamin D levels and higher PTH levels, indicating that they developed secondary hyperparathyroidism. The levels of vitamin D and PTH correlated the most with MEF50 values while other spirometry parameters did not significantly correlate with vitamin D and PTH levels.
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Affiliation(s)
- Tanja Zovko
- Pulmonary Diseases and Tuberculosis, University Clinical Hospital Mostar, Mostar, BIH
| | - Kristina Galic
- Pulmonary Diseases and Tuberculosis, University Clinical Hospital Mostar, Mostar, BIH
| | - Marina Vasilj
- Pulmonary Diseases and Tuberculosis, University Clinical Hospital Mostar, Mostar, BIH
| | | | - Ivanka Mikulic
- Laboratory Diagnostics, University Clinical Hospital Mostar, Mostar, BIH
| | - Vinka Mikulic
- Laboratory Diagnostics, University Clinical Hospital Mostar, Mostar, BIH
| | - Ante Mandic
- Internal Diseases, University Clinical Hospital Mostar, Mostar, BIH
| | - Stanko Zovko
- Surgery, University Clinical Hospital Mostar, Mostar, BIH
| | - Danijel Pravdic
- Internal Diseases, University Clinical Hospital Mostar, Mostar, BIH
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2
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Axelsson GT, Jonmundsson T, Woo Y, Frick EA, Aspelund T, Loureiro JJ, Orth AP, Jennings LL, Gudmundsson G, Emilsson V, Gudmundsdottir V, Gudnason V. Proteomic associations with forced expiratory volume: a Mendelian randomisation study. Respir Res 2024; 25:44. [PMID: 38238732 PMCID: PMC10797790 DOI: 10.1186/s12931-023-02587-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2023] [Accepted: 10/30/2023] [Indexed: 01/22/2024] Open
Abstract
BACKGROUND A decline in forced expiratory volume (FEV1) is a hallmark of respiratory diseases that are an important cause of morbidity among the elderly. While some data exist on biomarkers that are related to FEV1, we sought to do a systematic analysis of causal relations of biomarkers with FEV1. METHODS Data from the population-based AGES-Reykjavik study were used. Serum proteomic measurements were done using 4782 DNA aptamers (SOMAmers). Data from 1479 participants with spirometric data were used to assess the association of SOMAmer measurements with FEV1 using linear regression. Bi-directional two-sample Mendelian randomisation (MR) analyses were done to assess causal relations of observationally associated SOMAmers with FEV1, using genotype and SOMAmer data from 5368 AGES-Reykjavik participants and genetic associations with FEV1 from a publicly available GWAS (n = 400,102). RESULTS In observational analyses, 530 SOMAmers were associated with FEV1 after multiple testing adjustment (FDR < 0.05). The most significant were Retinoic Acid Receptor Responder 2 (RARRES2), R-Spondin 4 (RSPO4) and Alkaline Phosphatase, Placental Like 2 (ALPPL2). Of the 257 SOMAmers with genetic instruments available, eight were associated with FEV1 in MR analyses. Three were directionally consistent with the observational estimate, Thrombospondin 2 (THBS2), Endoplasmic Reticulum Oxidoreductase 1 Beta (ERO1B) and Apolipoprotein M (APOM). THBS2 was further supported by a colocalization analysis. Analyses in the reverse direction, testing whether changes in SOMAmer levels were caused by changes in FEV1, were performed but no significant associations were found after multiple testing adjustments. CONCLUSIONS In summary, this large scale proteogenomic analyses of FEV1 reveals circulating protein markers of FEV1, as well as several proteins with potential causality to lung function.
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Affiliation(s)
- Gisli Thor Axelsson
- Icelandic Heart Association, Holtasmari 1, 201, Kopavogur, Iceland
- Department of Internal Medicine, Landspitali University Hospital, 101, Reykjavik, Iceland
| | - Thorarinn Jonmundsson
- Icelandic Heart Association, Holtasmari 1, 201, Kopavogur, Iceland
- Faculty of Medicine, University of Iceland, 101, Reykjavik, Iceland
| | - Youngjae Woo
- Novartis Biomedical Research, Cambridge, MA, 02139, USA
| | | | - Thor Aspelund
- Icelandic Heart Association, Holtasmari 1, 201, Kopavogur, Iceland
- Faculty of Medicine, University of Iceland, 101, Reykjavik, Iceland
| | | | - Anthony P Orth
- Novartis Institutes for Biomedical Research, San Diego, CA, 92121, USA
| | | | - Gunnar Gudmundsson
- Faculty of Medicine, University of Iceland, 101, Reykjavik, Iceland
- Department of Respiratory Medicine and Sleep, Landspitali University Hospital, 108, Reykjavik, Iceland
| | - Valur Emilsson
- Icelandic Heart Association, Holtasmari 1, 201, Kopavogur, Iceland
- Faculty of Medicine, University of Iceland, 101, Reykjavik, Iceland
| | - Valborg Gudmundsdottir
- Icelandic Heart Association, Holtasmari 1, 201, Kopavogur, Iceland.
- Faculty of Medicine, University of Iceland, 101, Reykjavik, Iceland.
| | - Vilmundur Gudnason
- Icelandic Heart Association, Holtasmari 1, 201, Kopavogur, Iceland.
- Faculty of Medicine, University of Iceland, 101, Reykjavik, Iceland.
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3
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Axelsson GT, Jonmundsson T, Woo YJ, Frick EA, Aspelund T, Loureiro JJ, Orth AP, Jennings LL, Gudmundsson G, Emilsson V, Gudmundsdottir V, Gudnason V. Proteomic associations with forced expiratory volume - a Mendelian randomisation study. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2023:2023.06.30.23292035. [PMID: 37425696 PMCID: PMC10327250 DOI: 10.1101/2023.06.30.23292035] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/11/2023]
Abstract
A decline in forced expiratory volume (FEV1) is a hallmark of obstructive respiratory diseases, an important cause of morbidity among the elderly. While some data exist on biomarkers that are related to FEV1, we sought to do a systematic analysis of causal relations of biomarkers with FEV1. Data from the general population-based AGES-Reykjavik study were used. Proteomic measurements were done using 4,782 DNA aptamers (SOMAmers). Data from 1,648 participants with spirometric data were used to assess the association of SOMAmer measurements with FEV1 using linear regression. Bi-directional Mendelian randomisation (MR) analyses were done to assess causal relations of observationally associated SOMAmers with FEV1, using genotype and SOMAmer data from 5,368 AGES-Reykjavik participants and genetic associations with FEV1 from a publicly available GWAS (n = 400,102). In observational analyses, 473 SOMAmers were associated with FEV1 after multiple testing adjustment. The most significant were R-Spondin 4, Alkaline Phosphatase, Placental Like 2 and Retinoic Acid Receptor Responder 2. Of the 235 SOMAmers with genetic data, eight were associated with FEV1 in MR analyses. Three were directionally consistent with the observational estimate, Thrombospondin 2 (THBS2), Endoplasmic Reticulum Oxidoreductase 1 Beta and Apolipoprotein M. THBS2 was further supported by a colocalization analysis. Analyses in the reverse direction, testing whether changes in SOMAmer levels were caused by changes in FEV1, were performed but no significant associations were found after multiple testing adjustments. In summary, this large scale proteogenomic analyses of FEV1 reveals protein markers of FEV1, as well as several proteins with potential causality to lung function.
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4
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Mohammed RA, Mohamed LA, Abdelsalam EM, Maghraby HM, Elkenany NM, Nabawi OE, Sultan I. Assessment of Cardiac Dysfunction in Patients With Chronic Obstructive Pulmonary Disease (COPD): A Cross-Sectional Study. Cureus 2023; 15:e39629. [PMID: 37388620 PMCID: PMC10303266 DOI: 10.7759/cureus.39629] [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] [Accepted: 05/29/2023] [Indexed: 07/01/2023] Open
Abstract
BACKGROUND Cardiovascular diseases (CVDs) are frequent in patients having chronic obstructive pulmonary disease (COPD). Despite that, comorbid CVDs receive less guideline-recommended screening in this population compared to others. We aimed to evaluate the cardiac function using echocardiography and to assess spirometry, arterial blood gas (ABG) as well as brain natriuretic peptide (BNP) as prognostic indicators of cardiovascular dysfunction in COPD patients. METHODS One hundred moderate to very severe COPD patients according to GOLD guidelines with no history of cardiac diseases were recruited from two hospitals in Saudi Arabia and evaluated using electrocardiography (ECG), chest X-ray, BNP, pulmonary functions, ABG analysis, and transthoracic echocardiography. Multiple linear regression analysis was used to determine the predictors of right ventricular (RV) and left ventricular (LV) dysfunction. RESULTS Pulmonary hypertension (PH) was detected in 28% of the patients, while 25% had abnormal tricuspid annular plane systolic excursion (TAPSE). Low left ventricular ejection fraction (LVEF) and abnormal LV strain were present in 20%, abnormal right ventricular strain was present in 17%, and abnormal fractional area change (FAC) was detected in 9% of patients. Multiple linear regression analysis was used to explore possible determinants of cardiac function. Age, gender, and the presence of diabetes and hyperlipidemia were significant predictors of cardiac dysfunction in COPD patients. Forced vital capacity (FVC) was an independent predictor of LVEF (odds ratio, OR: 0.424, confidence interval, 95 CI%: 0.025-0.505, p<0.031) and FAC (OR: 0.496, 95 CI%: 0.008-655). Hypoxemia and hypercapnia significantly predict both RV and LV dysfunctions. BNP was an independent predictor of FAC (OR: 0.307, 95 CI%: -0.021, p<0.001). CONCLUSION Cardiac abnormalities are common in moderate to very severe COPD patients. Echocardiography could be considered for the assessment of these patients even in the absence of a history of cardiac disease. Pulmonary functions, ABG, and BNP may offer additional predictive information on cardiac functions in COPD patients.
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Affiliation(s)
- Rehab A Mohammed
- Internal Medicine, Faculty of Medicine for Girls, Al-Azhar University, Cairo, EGY
- Internal Medicine, Ibn Sina National College for Medical Studies, Jeddah, SAU
| | - Layla A Mohamed
- Cardiology, Faculty of Medicine for Girls, Al-Azhar University, Cairo, EGY
| | - Eman M Abdelsalam
- Internal Medicine, Faculty of Medicine for Girls, Al-Azhar University, Cairo, EGY
| | - Hend M Maghraby
- Internal Medicine, Faculty of Medicine for Girls, Al-Azhar University, Cairo, EGY
| | - Nasima M Elkenany
- Cardiology, Faculty of Medicine for Girls, Al-Azhar University, Cairo, EGY
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5
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Freyberg J, Landt EM, Afzal S, Nordestgaard BG, Dahl M. Low-density lipoprotein cholesterol and risk of COPD: Copenhagen General Population Study. ERJ Open Res 2023; 9:00496-2022. [PMID: 36891075 PMCID: PMC9986766 DOI: 10.1183/23120541.00496-2022] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2022] [Accepted: 11/10/2022] [Indexed: 12/04/2022] Open
Abstract
Background Randomised controlled trials found that low-density lipoprotein (LDL) cholesterol-lowering statins increase lung function and possibly decrease rate of exacerbations in individuals with COPD. However, it is unknown whether high levels of LDL cholesterol are associated with increased susceptibility to COPD. Methods We tested the hypothesis that high LDL cholesterol is associated with increased risk of COPD, severe COPD exacerbation and COPD-specific mortality. We examined 107 301 adults from the Copenhagen General Population Study. COPD outcomes were ascertained at baseline and prospectively through nationwide registries. Results In cross-sectional analysis, low LDL cholesterol was associated with increased risk of COPD (odds ratio for 1st versus 4th quartile: 1.07 (95% CI 1.01-1.14)). Prospectively, low LDL cholesterol was associated with increased risk of COPD exacerbations with hazard ratios of 1.43 (1.21-1.70) for 1st versus 4th quartile, 1.21 (1.03-1.43) for 2nd versus 4th quartile, and 1.01 (0.85-1.20) for 3rd versus 4th quartile of LDL cholesterol (p-value for trend=6×10-6). Finally, low LDL cholesterol was likewise associated with increased risk of COPD-specific mortality (log-rank test: p=0.0009). Sensitivity analyses with death as competing risk provided similar results. Conclusion Low LDL cholesterol was associated with increased risks of severe COPD exacerbation and COPD-specific mortality in the Danish general population. As this is opposite of that observed in randomised controlled trials with statins, our findings might be a result of reverse causation indicating that individuals with severe phenotypes of COPD have lower plasma levels of LDL cholesterol due to wasting.
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Affiliation(s)
- Josefine Freyberg
- Department of Clinical Biochemistry, Zealand University Hospital, Køge, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Eskild M Landt
- Department of Clinical Biochemistry, Zealand University Hospital, Køge, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Shoaib Afzal
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.,Department of Clinical Biochemistry, Copenhagen University Hospital - Herlev Gentofte, Herlev, Denmark.,The Copenhagen General Population Study, Copenhagen University Hospital - Herlev Gentofte, Herlev, Denmark
| | - Børge G Nordestgaard
- Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark.,Department of Clinical Biochemistry, Copenhagen University Hospital - Herlev Gentofte, Herlev, Denmark.,The Copenhagen General Population Study, Copenhagen University Hospital - Herlev Gentofte, Herlev, Denmark
| | - Morten Dahl
- Department of Clinical Biochemistry, Zealand University Hospital, Køge, Denmark.,Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark
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6
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Li R, Zhao X, Liu P, Wang D, Chen C, Wang Y, Zhang N, Shen B, Zhao D. Differential Expression of Serum Proteins in Chronic Obstructive Pulmonary Disease Assessed Using Label-Free Proteomics and Bioinformatics Analyses. Int J Chron Obstruct Pulmon Dis 2022; 17:2871-2891. [PMID: 36411774 PMCID: PMC9675428 DOI: 10.2147/copd.s383976] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Accepted: 11/02/2022] [Indexed: 11/30/2023] Open
Abstract
PURPOSE As a common respiratory disease, chronic obstructive pulmonary disease (COPD) has a high morbidity and mortality. Current clinical therapies are not ideal and do not improve lung function or long-term life quality. It is very important to find new potential pathogenic mechanisms, biomarkers, and targets with therapeutic value in COPD. METHODS Serum samples collected from acute exacerbation and stable COPD and healthy participants were analyzed using label-free liquid chromatography tandem mass spectrometry to identify the differentially expressed proteins (DEPs) between two groups. Bioinformatics analyses were performed to determine the biological processes associated with those DEPs. Key proteins were validated by enzyme linked immunosorbent assay (ELISA). RESULTS In total, 661 proteins were detected in serum from patients with COPD and healthy participants. Compared with healthy participants, patients with acute exacerbation of COPD had 45 DEPs, 13 were upregulated and 32 were downregulated; and patients with stable COPD had 79 DEPs, 18 were upregulated and 61 were downregulated. Gene Ontology functional annotation results indicated that the DEPs identified in patients with COPD were associated with the terms cellular anatomical entity, binding, and cellular process. Kyoto Encyclopedia of Genes and Genomes functional annotation analysis and the Clusters of Orthologous Genes database analysis indicated that the functions of these DEPs were primarily in signal transduction mechanisms and amino acid transport and metabolism. The ELISA results for three key proteins of IGFBP2, LRG1 and TAGLN were consistent with the LC-MS/MS results and the area under the receiver operating characteristic of the combined index was 0.893 (95% CI: 0.813, 0.974). CONCLUSION Our findings suggested pathogenic mechanisms underlying COPD stages and indicated three key proteins that may warrant further study as potential biomarkers for early diagnosis or prognosis of COPD or as therapeutic targets.
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Affiliation(s)
- Renming Li
- Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, People’s Republic of China
| | - Xiaomin Zhao
- Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, People’s Republic of China
| | - Pengcheng Liu
- Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, People’s Republic of China
| | - Dandan Wang
- Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, People’s Republic of China
| | - Chen Chen
- Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, People’s Republic of China
| | - Yu Wang
- Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, People’s Republic of China
| | - Ningning Zhang
- Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, People’s Republic of China
| | - Bing Shen
- School of Basic Medical Sciences, Anhui Medical University, Hefei, 230032, People’s Republic of China
| | - Dahai Zhao
- Department of Respiratory and Critical Care Medicine, the Second Affiliated Hospital of Anhui Medical University, Hefei, 230601, People’s Republic of China
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7
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Ghosh S, Rihan M, Ahmed S, Pande AH, Sharma SS. Immunomodulatory potential of apolipoproteins and their mimetic peptides in asthma: Current perspective. Respir Med 2022; 204:107007. [DOI: 10.1016/j.rmed.2022.107007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Accepted: 10/03/2022] [Indexed: 10/31/2022]
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8
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Zanotti I. High-Density Lipoproteins in Non-Cardiovascular Diseases. Int J Mol Sci 2022; 23:ijms23169413. [PMID: 36012681 PMCID: PMC9408873 DOI: 10.3390/ijms23169413] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Accepted: 08/12/2022] [Indexed: 11/29/2022] Open
Affiliation(s)
- Ilaria Zanotti
- Dipartimento di Scienze Degli Alimenti e del Farmaco, Università di Parma, 42124 Parma, Italy
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9
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Kotlyarov S. High-Density Lipoproteins: A Role in Inflammation in COPD. Int J Mol Sci 2022; 23:8128. [PMID: 35897703 PMCID: PMC9331387 DOI: 10.3390/ijms23158128] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 07/19/2022] [Accepted: 07/21/2022] [Indexed: 02/04/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a widespread disease associated with high rates of disability and mortality. COPD is characterized by chronic inflammation in the bronchi as well as systemic inflammation, which contributes significantly to the clinically heterogeneous course of the disease. Lipid metabolism disorders are common in COPD, being a part of its pathogenesis. High-density lipoproteins (HDLs) are not only involved in lipid metabolism, but are also part of the organism's immune and antioxidant defense. In addition, HDL is a versatile transport system for endogenous regulatory agents and is also involved in the removal of exogenous substances such as lipopolysaccharide. These functions, as well as information about lipoprotein metabolism disorders in COPD, allow a broader assessment of their role in the pathogenesis of heterogeneous and comorbid course of the disease.
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Affiliation(s)
- Stanislav Kotlyarov
- Department of Nursing, Ryazan State Medical University, 390026 Ryazan, Russia
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10
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Kotlyarov S. Participation of ABCA1 Transporter in Pathogenesis of Chronic Obstructive Pulmonary Disease. Int J Mol Sci 2021; 22:3334. [PMID: 33805156 PMCID: PMC8037621 DOI: 10.3390/ijms22073334] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2021] [Revised: 03/19/2021] [Accepted: 03/22/2021] [Indexed: 12/12/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is the important medical and social problem. According to modern concepts, COPD is a chronic inflammatory disease, macrophages play a key role in its pathogenesis. Macrophages are heterogeneous in their functions, which is largely determined by their immunometabolic profile, as well as the features of lipid homeostasis, in which the ATP binding cassette transporter A1 (ABCA1) plays an essential role. The objective of this work is the analysis of the ABCA1 protein participation and the function of reverse cholesterol transport in the pathogenesis of COPD. The expression of the ABCA1 gene in lung tissues takes the second place after the liver, which indicates the important role of the carrier in lung function. The participation of the transporter in the development of COPD consists in provision of lipid metabolism, regulation of inflammation, phagocytosis, and apoptosis. Violation of the processes in which ABCA1 is involved may be a part of the pathophysiological mechanisms, leading to the formation of a heterogeneous clinical course of the disease.
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Affiliation(s)
- Stanislav Kotlyarov
- Department of Nursing, Ryazan State Medical University, 390026 Ryazan, Russia
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11
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Yao S, Luo G, Liu H, Zhang J, Zhan Y, Xu N, Zhang X, Zheng L. Apolipoprotein M promotes the anti-inflammatory effect of high-density lipoprotein by binding to scavenger receptor BI. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:1676. [PMID: 33490188 PMCID: PMC7812182 DOI: 10.21037/atm-20-7008] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Background Inflammation participates pivotally in the pathogenesis of atherosclerosis. Apolipoprotein M (apoM) is a high-density lipoprotein (HDL)-associated plasma protein that affects HDL metabolism and shows various anti-inflammatory functions in atherosclerosis. In this study, we aim to determine whether apoM is expressed in peripheral blood mononuclear cells (PBMCs) and promoted the anti-inflammatory effect of HDL by combing with scavenger receptor BI (SR-BI). Methods The expression of apoM in PBMCs is detected by a confocal fluorescence microscope and flow cytometry. The interactions between apoM and SR-BI are detected with co-immunoprecipitation. The multiplexed Luminex xMAP assay detects the inflammatory factors induced by apoM+ HDL and apoM– HDL in inflammatory cell model. Results ApoM is expressed on CD14+ monocytes, CD3+ T cells, and CD19+ B cells, CD16+ and CD56+ NK cells. CD14+ monocytes have the highest ratio of apoM+ cells. ApoM+ HDL, apoM– HDL, and recombinant apoM protein could be co-precipitated with SR-BI on the surface of human THP-1 monocytic leukemia cells. In vitro, apoM+ HDL induces significantly less expression of tumor necrosis factor-α (TNF-α), interleukin-6 (IL-6) and IL-1β than apoM– HDL. Conclusions ApoM was expressed on all PBMCs. ApoM interacted with SR-BI on THP-1. ApoM+ HDL has a more significant anti-inflammatory effect than apoM– HDL.
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Affiliation(s)
- Shuang Yao
- Clinical Medical Research Center, the Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Guanghua Luo
- Clinical Medical Research Center, the Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Hong Liu
- Department of Cardiothoracic Surgery, the Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Jun Zhang
- Clinical Medical Research Center, the Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Yuxia Zhan
- Clinical Medical Research Center, the Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Ning Xu
- Division of Clinical Chemistry and Pharmacology, Department of Laboratory Medicine, Lunds University, Lunds, Sweden
| | - Xiaoying Zhang
- Department of Cardiothoracic Surgery, the Third Affiliated Hospital of Soochow University, Changzhou, China
| | - Lu Zheng
- Clinical Medical Research Center, the Third Affiliated Hospital of Soochow University, Changzhou, China
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12
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Huang Y, Jiang B, Miao X, Ma J, Wang J, Ding K, Chen X, Hu Q, Fu F, Zeng T, Hu J, Hu B, Yang D, Zhang X. The Relationship of Lymphocyte to High-Density Lipoprotein Ratio with Pulmonary Function in COPD. Int J Chron Obstruct Pulmon Dis 2020; 15:3159-3169. [PMID: 33293805 PMCID: PMC7718883 DOI: 10.2147/copd.s276372] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 10/26/2020] [Indexed: 12/26/2022] Open
Abstract
Purpose This study aimed to explore the relation between lymphocyte to high-density lipoprotein ratio (LHR) and pulmonary function of chronic obstructive pulmonary disease (COPD) patients compared with neutrophil–lymphocyte ratio (NLR) and platelet–lymphocyte ratio (PLR). Patients and Methods In total, 154 participants (n = 77 with COPD and n = 77 without COPD) were recruited. LHR, NLR, PLR, lung function and other data were collected and compared. Pearson’s correlation test and the receiver operating characteristics curves were used to compare the utility of LHR, NLR and PLR. Besides, univariate and multivariate logistic regression analyses were conducted. Results COPD patients with poorer lung function had a lower LHR level (P < 0.001). In low LHR group, more patients underwent greater airflow limitation than the other group (P = 0.006). LHR positively correlated with forced expiratory volume in 1 second in percent of the predicted value (FEV1%) (r = 0.333, P = 0.003). At a cut-off value of 2.08, the sensitivity and specificity of LHR in predicting FEV1% < 50 were 93.2% and 55.6%, respectively, with an AUC of 0.770 (P = 0.001) better than NLR and PLR. Based on logistic regression analyses, it was proved that LHR was associated with decreased risk of FEV1 <50% predicted in COPD patients (odds ratio = 0.198, 95% CI: 0.048–0.811, P = 0.024). Conclusion In contrast with NLR and PLR, LHR has higher accuracy for predicting pulmonary function in COPD; lower LHR level is independently associated with poorer pulmonary function.
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Affiliation(s)
- Yiben Huang
- Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Bingqian Jiang
- Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China.,School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Xiaqi Miao
- Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China.,School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Jiedong Ma
- Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China.,School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Jianing Wang
- Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China.,School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Keke Ding
- Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China.,School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Xianjing Chen
- Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Qiaoming Hu
- Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China.,School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Fangyi Fu
- Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China.,School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Tian Zeng
- Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China.,School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Jingyu Hu
- Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China.,School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Binbin Hu
- Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China.,School of the First Clinical Medical Sciences, Wenzhou Medical University, Wenzhou, People's Republic of China
| | - Dehao Yang
- Department of Neurology, The Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, People's Republic of China
| | - Xiaodiao Zhang
- Department of Respiratory Medicine, The Third Affiliated Hospital of Wenzhou Medical University, Wenzhou, People's Republic of China
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Liu D, Meister M, Zhang S, Vong CI, Wang S, Fang R, Li L, Wang PG, Massion P, Ji X. Identification of lipid biomarker from serum in patients with chronic obstructive pulmonary disease. Respir Res 2020; 21:242. [PMID: 32957957 PMCID: PMC7507726 DOI: 10.1186/s12931-020-01507-9] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2020] [Accepted: 09/11/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is the third leading cause of death in the United States with no effective treatment. The current diagnostic method, spirometry, does not accurately reflect the severity of COPD disease status. Therefore, there is a pressing unmet medical need to develop noninvasive methods and reliable biomarkers to detect early stages of COPD. Lipids are the fundamental components of cell membranes, and dysregulation of lipids was proven to be associated with COPD. Lipidomics is a comprehensive approach to all the pathways and networks of cellular lipids in biological systems. It is widely used for disease diagnosis, biomarker identification, and pathology disorders detection relating to lipid metabolism. METHODS In the current study, a total of 25 serum samples were collected from 5 normal control subjects and 20 patients with different stages of COPD according to the global initiative for chronic obstructive lung disease (GOLD) (GOLD stages I ~ IV, 5 patients per group). After metabolite extraction, lipidomic analysis was performed using electrospray ionization mass spectrometry (ESI-MS) to detect the serum lipid species. Later, the comparisons of individual lipids were performed between controls and patients with COPD. Orthogonal projections to latent structures discriminant analysis (OPLS-DA) and receiver operating characteristic (ROC) analysis were utilized to test the potential biomarkers. Finally, correlations between the validated lipidomic biomarkers and disease stages, age, FEV1% pack years and BMI were evaluated. RESULTS Our results indicate that a panel of 50 lipid metabolites including phospholipids, sphingolipids, glycerolipids, and cholesterol esters can be used to differentiate the presence of COPD. Among them, 10 individual lipid species showed significance (p < 0.05) with a two-fold change. In addition, lipid ratios between every two lipid species were also evaluated as potential biomarkers. Further multivariate data analysis and receiver operating characteristic (ROC: 0.83 ~ 0.99) analysis suggest that four lipid species (AUC:0.86 ~ 0.95) and ten lipid ratios could be potential biomarkers for COPD (AUC:0.94 ~ 1) with higher sensitivity and specificity. Further correlation analyses indicate these potential biomarkers were not affected age, BMI, stages and FEV1%, but were associated with smoking pack years. CONCLUSION Using lipidomics and statistical methods, we identified unique lipid signatures as potential biomarkers for diagnosis of COPD. Further validation studies of these potential biomarkers with large population may elucidate their roles in the development of COPD.
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Affiliation(s)
- Ding Liu
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Maureen Meister
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
- Department of Nutrition, Georgia State University, Atlanta, 30302, USA
| | - Shiying Zhang
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Chi-In Vong
- Department of Nutrition, Georgia State University, Atlanta, 30302, USA
| | - Shuaishuai Wang
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Ruixie Fang
- Department of Mathematics and Statistics, Georgia State University, Atlanta, GA, 30302, USA
| | - Lei Li
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Peng George Wang
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA
| | - Pierre Massion
- Cancer Early Detection and Prevention Initiative, Vanderbilt Ingram Cancer Center; Division of Allergy, Pulmonary and Critical Care Medicine, Vanderbilt University School of Medicine, Nashville, TN, 37232, USA
| | - Xiangming Ji
- Department of Chemistry, Georgia State University, Atlanta, GA, 30303, USA.
- Department of Nutrition, Georgia State University, Atlanta, 30302, USA.
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Apolipoprotein M Serum Levels Correlate with IgA Vasculitis and IgA Vasculitis Nephritis. DISEASE MARKERS 2019; 2019:1825849. [PMID: 31885732 PMCID: PMC6927057 DOI: 10.1155/2019/1825849] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Accepted: 11/28/2019] [Indexed: 12/17/2022]
Abstract
Objective IgA vasculitis (lgAV) is the most frequent vessel vasculitis in children, and the prognosis is related to the children's age and degree of nephritis. This study is aimed at investigating serum apolipoprotein M (apoM) levels in patients with lgAV patients and at evaluating the association between apoM and disease severity. Methods A total of 109 lgAV patients and 76 age- and sex-matched healthy controls were included. The age and gender of the study participants were matched. ApoM levels were measured by an enzyme-linked immunosorbent assay. Additionally, the serum levels of lipids, apolipoproteins, kidney biochemical profiles, immunoglobulins (IgA, IgG, IgM, and IgE), and the complements (C3 and C4) were assessed using an automatic biochemical analyzer. Results ApoM was increased significantly in lgAV patients compared to healthy controls. ApoM, meanwhile, was lower in patients with nephritis than in those without nephritis. The apoM levels were higher in classes I and II IgA vasculitis nephritis (lgAVN) patients than in classes III and IV. Besides, the apoM serum level < 24.81 mg/L was an independent predictive factor for lgAVN and can be independently associated with the presence of nephritis in lgAV patients. Meanwhile, the serum apoM concentration negatively correlated with the ISKDC grading score in lgAVN patients. Conclusions Serum apoM was elevated in lgAV patients and decreased gradually with the ISKDC grading score. ApoM (OR = 0.32, 95%CI = 0.12-0.85, p = 0.023) was identified as a protective factor for nephritis in all lgAV patients.
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15
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Bhowmik M, Majumdar S, Dasgupta A, Gupta Bhattacharya S, Saha S. Pilot-Scale Study Of Human Plasma Proteomics Identifies ApoE And IL33 As Markers In Atopic Asthma. J Asthma Allergy 2019; 12:273-283. [PMID: 31571934 PMCID: PMC6759800 DOI: 10.2147/jaa.s211569] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2019] [Accepted: 08/12/2019] [Indexed: 12/12/2022] Open
Abstract
Background The pathobiology of atopic asthma is complex and the symptoms similar to other respiratory diseases. As such, identification of biomarkers of atopic asthma is of prime importance for better diagnosis and control of the disease. Objectives We sought to study the changes in plasma proteome and cytokine-expression profile across healthy and atopic asthmatics for identifying biomarkers and exploring aberrant pathways for atopic asthma. Methods A pilot-scale study in humans was performed to identify differentially expressed proteins in blood plasma of healthy controls (n=5) and treatment-naïve atopic asthma patients (n=5) using quantitative label-free liquid chromatography-tandem mass spectrometry proteomics and ELISA. Results Mass spectrometry-based proteomic analysis revealed ApoE to be significantly downregulated in atopic asthmatics compared to healthy volunteers. Decreased expression of ApoE in atopic asthmatics was validated by immunoblotting (50.74% decrease). Comparison with atopic asthmatics and COPD patients showed that ApoE was decreased (36.33%) in atopic asthma compared to COPD. IL33 was significantly upregulated in atopic asthmatics compared to healthy subjects (3.84-fold). Conclusion ApoE was downregulated and IL33 upregulated in atopic asthma patients compared to healthy volunteers. These two proteins' profiles were distinct in atopic asthma from healthy and COPD plasma samples. Differential expression of these proteins could serve as a probable candidate for a two-protein classifier-based prognostic biomarker of atopic asthma.
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Affiliation(s)
- Moumita Bhowmik
- Division of Plant Biology, Bose Institute, Kolkata, West Bengal, India
| | - Sreyashi Majumdar
- Division of Bioinformatics, Bose Institute, Kolkata, West Bengal, India
| | - Angira Dasgupta
- BR Singh Hospital and Centre for Medical Education and Research, Kolkata, West Bengal, India
| | | | - Sudipto Saha
- Division of Bioinformatics, Bose Institute, Kolkata, West Bengal, India
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16
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Chen H, Li Z, Dong L, Wu Y, Shen H, Chen Z. Lipid metabolism in chronic obstructive pulmonary disease. Int J Chron Obstruct Pulmon Dis 2019; 14:1009-1018. [PMID: 31190786 PMCID: PMC6524761 DOI: 10.2147/copd.s196210] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Accepted: 03/19/2019] [Indexed: 12/18/2022] Open
Abstract
Dysregulated lipid metabolism plays crucial roles in various diseases, including diabetes mellitus, cancer, and neurodegeneration. Recent studies suggest that alterations in major lipid metabolic pathways contribute to pathogenesis of lung diseases, including chronic obstructive pulmonary disease (COPD). These changes allow lung tissue to meet the energy needs and trigger anabolic pathways that initiate the synthesis of active molecules directly involved in the inflammation. In this review, we summarize the changes of catabolism and anabolism of lipids, lipid molecules including lipid mediators, lipid synthesis transcription factors, cholesterol, and phospholipids, and how those lipid molecules participate in the initiation and resolution of inflammation in COPD.
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Affiliation(s)
- Haipin Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Institute of Respiratory Diseases, Hangzhou, Zhejiang, People's Republic of China
| | - Zhouyang Li
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Institute of Respiratory Diseases, Hangzhou, Zhejiang, People's Republic of China
| | - Lingling Dong
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Institute of Respiratory Diseases, Hangzhou, Zhejiang, People's Republic of China
| | - Yinfang Wu
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Institute of Respiratory Diseases, Hangzhou, Zhejiang, People's Republic of China
| | - Huahao Shen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Institute of Respiratory Diseases, Hangzhou, Zhejiang, People's Republic of China.,State Key Lab of Respiratory Disease, Guangzhou, Guangdong, People's Republic of China
| | - Zhihua Chen
- Key Laboratory of Respiratory Disease of Zhejiang Province, Department of Respiratory and Critical Care Medicine, Second Affiliated Hospital of Zhejiang University School of Medicine, Institute of Respiratory Diseases, Hangzhou, Zhejiang, People's Republic of China
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Xuan L, Han F, Gong L, Lv Y, Wan Z, Liu H, Zhang D, Jia Y, Yang S, Ren L, Liu L. Association between chronic obstructive pulmonary disease and serum lipid levels: a meta-analysis. Lipids Health Dis 2018; 17:263. [PMID: 30463568 PMCID: PMC6249772 DOI: 10.1186/s12944-018-0904-4] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 10/29/2018] [Indexed: 11/17/2022] Open
Abstract
Background Metabolic syndrome is a common extrapulmonary comorbidity in patients with chronic obstructive pulmonary disease (COPD). However, the reported relationship of COPD with dyslipidemia, an important component of metabolic syndrome, is ambiguous. The aim of this meta-analysis is to investigate the association between COPD and the serum levels of high-density lipoprotein cholesterol (HDL), low-density lipoprotein cholesterol (LDL), total cholesterol (TC), and triglyceride (TG). Methods The PubMed and Embase databases were searched to find potential studies using the search terms of (“dyslipidemia” or “HDL” or “LDL” or “cholesterol” or “triglyceride”) and COPD. We also performed subgroup analysis enrolling patients who were not receiving treatment for dyslipidemia. Mean differences (MD) with 95% confidence intervals (CI) were estimated with random effects models. Results A total of 11 studies comprising 615 cases and 471 controls were included in the study. No significant differences were found in the HDL (MD = −2.55, 95% CI [−6.03, 0.93], P = 0.15), LDL (MD = −2.25, 95% CI [−13.36, 8.86], P = 0.69), TC (MD = −2.69, 95% CI [−13.30, 7.92], P = 0.62), and TG (MD = 6.90, 95% CI [−2.81, 16.60], P = 0.16) levels of the 2 groups. However, subgroup analysis enrolling patients who were not receiving treatment for dyslipidemia showed that TG levels were higher in patients with stable COPD than in healthy individuals (MD = 16.35, 95% CI [5.90, 26.80], P = 0.002). Conclusions Excluding the impact of hypolipidemic treatment on serum lipid profile, TG levels were higher in patients with COPD than in healthy individuals. This meta-analysis suggested that physicians should screen COPD patients for elevated TG levels to reduce the risk of cardiovascular morbidity and mortality.
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Affiliation(s)
- Lingling Xuan
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Feifei Han
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Lili Gong
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Yali Lv
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Zirui Wan
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - He Liu
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Dongsu Zhang
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Yangjie Jia
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Song Yang
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Lulu Ren
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China
| | - Lihong Liu
- Department of Pharmacy, Beijing Chao-Yang Hospital, Capital Medical University, Beijing, China.
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18
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Association between high-density lipoprotein cholesterol level and pulmonary function in healthy Korean adolescents: the JS high school study. BMC Pulm Med 2017; 17:190. [PMID: 29228928 PMCID: PMC5725943 DOI: 10.1186/s12890-017-0548-6] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Accepted: 11/30/2017] [Indexed: 11/10/2022] Open
Abstract
Background Accumulating evidence suggests that high-density lipoprotein (HDL) cholesterol is associated with pulmonary function and pulmonary disorders. The aim of this study was to evaluate the association between HDL cholesterol and pulmonary function in healthy adolescents. Methods This cross-sectional study was based on data collected for the JS High School study. The analysis included 644 adolescents (318 male and 326 female) aged 15–16 years old and free from asthma or chronic obstructive pulmonary disease. Fasting blood samples were collected for hematologic and biochemical assessment. Forced vital capacity volume (FVC) and forced expiratory volume in the 1 s (FEV1) were measured using dry-rolling-seal spirometry. The associations between HDL cholesterol and pulmonary function were analyzed using multiple linear regression models. Results Among male adolescents, an increase of 1.0 mg/dL in HDL cholesterol was associated with 10 mL decrease in FVC (p = 0.013) and FEV1 (p = 0.013) after adjusting for age, height, weight, alcohol drinking, smoking, physical activity, systolic blood pressure, total cholesterol, triglyceride, and monthly household income. Percent predicted values of FVC (p = 0.036) and FEV1 (p = 0.017) were also inversely associated with HDL cholesterol. However, among female adolescents, HDL cholesterol level was not significantly associated with absolute or percent predictive value of FVC and FEV1. Conclusions Higher HDL cholesterol level may be associated with decreased pulmonary function among healthy male adolescents. The sex differences observed in the association between HDL cholesterol and pulmonary function need further investigation. Electronic supplementary material The online version of this article (10.1186/s12890-017-0548-6) contains supplementary material, which is available to authorized users.
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Yu Y, Zhang J, Qiao Y, Pan L, Li J, Mao H, Wei J, Zhang X, Xu N, Luo G. Apolipoprotein M gene single nucleotide polymorphisms discovery in patients with chronic obstructive pulmonary disease and determined by the base-quenched probe technique. Gene 2017; 637:9-13. [PMID: 28927745 DOI: 10.1016/j.gene.2017.09.029] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 08/29/2017] [Accepted: 09/14/2017] [Indexed: 10/18/2022]
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20
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Shen T, Wu WM, Du WH, Wang L, He LG, Tan L, Wang Z, Chen R, Hu M, Ren YP. Positive association between serum apolipoprotein M levels and hepatitis B virus DNA load in HBeAg-negative chronic hepatitis B. Lipids Health Dis 2016; 15:210. [PMID: 27927202 PMCID: PMC5142335 DOI: 10.1186/s12944-016-0384-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2016] [Accepted: 12/01/2016] [Indexed: 12/25/2022] Open
Abstract
BACKGROUND Hepatitis virus B (HBV) has infected millions of people worldwide. Notably, such infections can be associated with hepatic complications. Levels of apolipoprotein M (apoM), a component of high-density lipoprotein (HDL), are known to be significantly elevated in patients with chronic hepatitis B (CHB). The aim of this study was to investigate the relationship between HBV DNA load in serum and serum apoM levels in patients with CHB. METHODS A total of 73 HBeAg-negative CHB patients, 50 HBeAg-positive CHB patients, and 79 non-CHB controls were included in the study cohort. The age and body mass index (BMI) of the study participants were matched. Serum levels of apoM and the HBV antigens HBsAg and HBeAg were measured by enzyme-linked immunosorbent assay (ELISA) analysis. Serum levels of alanine aminotransferase (ALT), aspartate transaminase (AST), cholesterol, and triglycerides (TG) were assessed using an automatic biochemical analyzer. Serum HBV DNA levels were quantified by real-time PCR analysis. Data were analyzed by Spearman's rank correlation coefficient, Pearson correlation coefficient, and multivariate linear regression model (continuous variables), or Student's t-test (mean differences). RESULTS Both the HBeAg-negative CHB and HBeAg-positive CHB patient groups exhibited elevated serum levels of apoM. Moreover, serum apoM levels were positively correlated with serum HBV DNA levels in HBeAg-negative CHB patients (r = 0.394, p < 0.001). Conversely, there was no significant relationship between apoM and HBV DNA levels in the HBeAg-positive CHB group (r = 0.197, p = 0.170). The median log copies/mL value for HBV DNA (4.00) was considered the cutoff point for the HBeAg-negative CHB group. Notably, a significant number of patients with HBV DNA levels above the cutoff point also had higher serum apoM levels (63.38 ± 29.84 vs. 41.41 ± 21.84; p = 0.001). CONCLUSIONS Our findings reveal that the correlation between serum apoM levels and viral loads may depend on HBeAg status, as serum apoM levels were positively correlated with HBV DNA levels in HBeAg-negative CHB patients. These results suggest that HBeAg may play a role in apoM-related lipid metabolism and anti-inflammatory functions in hepatitis B patients. Thus, our findings may facilitate the clinical management of HBV infection.
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Affiliation(s)
- Ting Shen
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, China
| | - Wei Min Wu
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, China
| | - Wen Han Du
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, China
| | - Lin Wang
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, China
| | - La Gu He
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, China
| | - Li Tan
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, China
| | - ZeYou Wang
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, China
| | - Ruohong Chen
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, China
| | - Min Hu
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, China.
| | - Ya Ping Ren
- Department of Laboratory Medicine, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan Province, China.
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