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Lu H, Zhang Q, Long J. Prospective study of protein intake and mortality among US adults with chronic obstructive pulmonary disease. Front Nutr 2024; 11:1399038. [PMID: 39114119 PMCID: PMC11303319 DOI: 10.3389/fnut.2024.1399038] [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: 03/11/2024] [Accepted: 07/10/2024] [Indexed: 08/10/2024] Open
Abstract
Background Protein is crucial for the rehabilitation of patients with chronic obstructive pulmonary disease (COPD), and appropriate daily protein intake is essential for COPD patients. However, the specific role of protein intake in COPD and its impact on mortality remain uncertain. This study aims to ascertain the relationship between protein intake and mortality in COPD patients. Methods This investigation included 522 adult COPD patients from the National Health and Nutrition Examination Survey (NHANES) between 2013 and 2018, with a focus on evaluating protein intake. Multivariate Cox proportional hazard models were constructed to analyze the correlation between protein intake and the prognosis of COPD patients. Additionally, the restricted cubic spline (RCS) was employed to investigate the potential non-linear association between protein intake and mortality. Results A total of 522 patients with COPD were categorized into 4 groups based on the quartiles of protein intake: Q1 (< 25th percentile, 11.7-48.5 gm), Q2 (25-50th percentile, 48.5-67.7 gm), Q3 (50-75th percentile, 67.7-94.3 gm), and Q4 (≥ 75th percentile, 94.3-266.6 gm). Cox regression analysis revealed a significant trend in the p value of the Q3 group compared to the Q1 group when adjusting for other variables. The RCS-fitted Cox regression model indicated no non-linear relationship between protein intake levels and COPD mortality. Conclusion There is no evidence of a non-linear relationship between protein intake and all-cause mortality in COPD patients. Further investigation is warranted to comprehend the intricate relationship between protein intake and COPD outcomes.
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Affiliation(s)
- HuiLun Lu
- The Department of Respiratory Medicine, Shenzhen Longgang Second People’s Hospital, Shenzhen, Guangdong, China
| | - Qi Zhang
- Department of Anesthesiology, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong, China
| | - Jiao Long
- Department of Anesthesiology, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, Guangdong, China
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2
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Vuković D, Budimir Mršić D, Ordulj I, Šarić F, Tandara M, Jerković K, Matana A, Tadić T. Is Type and Grade of Emphysema Important for Bone Mineral Density and Aortic Calcifications? J Clin Med 2024; 13:3947. [PMID: 38999515 PMCID: PMC11242253 DOI: 10.3390/jcm13133947] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2024] [Revised: 06/27/2024] [Accepted: 07/03/2024] [Indexed: 07/14/2024] Open
Abstract
Background: Chronic obstructive pulmonary disease has extrapulmonary manifestations, such as cardiovascular diseases and osteoporosis. The purpose of this research was to determine the relationship between the type and extent of emphysema with thoracic aorta calcification (TAC) and bone mineral density (BMD) at Th4, Th8, and L1 vertebrae. Methods: Emphysema was described by computed tomography parameters (both Fleischner classification and low attenuation value percentage, LAV%) and the clinical FEV1/FVC ratio (Tiffeneau-Pinelli index, TI, TI < 0.7; TI > 0.7). Results: Of 200 included patients (median age 64, 33% women), signs of clinical obstruction (TI) were observed in 104 patients, which had significantly lower BMD and more heavy TAC. BMD correlated negatively with LAV%, Rho = -0.16 to -0.23, while a positive correlation of aortic calcification with LAV% was observed, Rho = 0.30 to 0.33. Multiple linear regression showed that age and TI < 0.7 were independent predictors of BMD, β = -0.20 to -0.40, and β = -0.21 to -0.25; age and hypercholesterolemia were independent predictors of TCA, β = 0.61 and β = 0.19. Conclusions: Clinical TI and morphological LAV% parameters correlated with BMD and TAC, in contrast to Fleischer-graded emphysema, which showed no correlation. However, only TI was an independent predictor of BMD, while the morphologically described type and extent of emphysema could not independently predict any extrapulmonary manifestation.
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Affiliation(s)
- Danica Vuković
- Clinical Department of Diagnostic and Interventional Radiology, University Hospital Split, Šoltanska 2, 21000 Split, Croatia; (D.V.); (I.O.); (F.Š.); (M.T.); (K.J.)
| | - Danijela Budimir Mršić
- Clinical Department of Diagnostic and Interventional Radiology, University Hospital Split, Šoltanska 2, 21000 Split, Croatia; (D.V.); (I.O.); (F.Š.); (M.T.); (K.J.)
- School of Medicine, University of Split, Šoltanska 2, 21000 Split, Croatia
- University Department of Health Studies, University of Split, Ruđera Boškovića 35, 21000 Split, Croatia;
| | - Ivan Ordulj
- Clinical Department of Diagnostic and Interventional Radiology, University Hospital Split, Šoltanska 2, 21000 Split, Croatia; (D.V.); (I.O.); (F.Š.); (M.T.); (K.J.)
| | - Frano Šarić
- Clinical Department of Diagnostic and Interventional Radiology, University Hospital Split, Šoltanska 2, 21000 Split, Croatia; (D.V.); (I.O.); (F.Š.); (M.T.); (K.J.)
| | - Mirko Tandara
- Clinical Department of Diagnostic and Interventional Radiology, University Hospital Split, Šoltanska 2, 21000 Split, Croatia; (D.V.); (I.O.); (F.Š.); (M.T.); (K.J.)
| | - Kristian Jerković
- Clinical Department of Diagnostic and Interventional Radiology, University Hospital Split, Šoltanska 2, 21000 Split, Croatia; (D.V.); (I.O.); (F.Š.); (M.T.); (K.J.)
| | - Antonela Matana
- University Department of Health Studies, University of Split, Ruđera Boškovića 35, 21000 Split, Croatia;
| | - Tade Tadić
- Clinical Department of Diagnostic and Interventional Radiology, University Hospital Split, Šoltanska 2, 21000 Split, Croatia; (D.V.); (I.O.); (F.Š.); (M.T.); (K.J.)
- School of Medicine, University of Split, Šoltanska 2, 21000 Split, Croatia
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3
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Passerieux E, Desplanche E, Alburquerque L, Wynands Q, Bellanger A, Virsolvy A, Gouzi F, Cazorla O, Bourdin A, Hayot M, Pomiès P. Altered skeletal muscle function and beneficial effects of exercise training in a rat model of induced pulmonary emphysema. Acta Physiol (Oxf) 2024; 240:e14165. [PMID: 38747536 DOI: 10.1111/apha.14165] [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: 01/30/2024] [Revised: 04/26/2024] [Accepted: 05/02/2024] [Indexed: 06/09/2024]
Abstract
AIM Chronic obstructive pulmonary disease (COPD) is characterized by progressive airflow obstruction and development of emphysema. Among the comorbidities associated with COPD, skeletal muscle dysfunction is known to affect exercise capacity and the survival rate of patients. Pulmonary rehabilitation (PR), via exercise training, is essential for COPD patients. However, the response to PR is most often moderate. An animal model that recapitulates critical features of chronic human disease and provides access to muscle function should therefore be useful to improve PR benefits. METHODS We used a rat model of induced emphysema based on pulmonary instillations of elastase (ELA) and lipopolysaccharides (LPS). We assessed the long-term effects of ELA/LPS and the potential effectiveness of endurance training on the skeletal muscle function. In vivo strength of the animals, and ex vivo contractility, endurance, type 1 fiber proportion, fiber cross-sectional area, and capillarization of both soleus and extensor digitorum longus (EDL) were assessed. RESULTS An impaired overall muscle strength with decreased force, reduced capillarization, and atrophy of type 1 fiber of EDL was observed in ELA/LPS rats. Soleus was not affected. Endurance training was able to reduce fatigability, and increase type 1 fiber proportion and capillarization of soleus, and improve force, endurance, and capillarization of EDL in control and ELA/LPS rats. CONCLUSION Our rat model of induced emphysema, which shares some features with the phenotype present in patients with COPD, could represent a suitable model to study skeletal muscle dysfunction and the effects of exercise training on muscle function in patients.
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Affiliation(s)
- Emilie Passerieux
- PhyMedExp, INSERM, CNRS, Université de Montpellier, Montpellier, France
| | - Elodie Desplanche
- PhyMedExp, INSERM, CNRS, Université de Montpellier, Montpellier, France
| | | | - Quentin Wynands
- PhyMedExp, INSERM, CNRS, CHRU Montpellier, Université de Montpellier, Montpellier, France
| | - Axel Bellanger
- PhyMedExp, INSERM, CNRS, CHRU Montpellier, Université de Montpellier, Montpellier, France
| | - Anne Virsolvy
- PhyMedExp, INSERM, CNRS, Université de Montpellier, Montpellier, France
| | - Farés Gouzi
- PhyMedExp, INSERM, CNRS, CHRU Montpellier, Université de Montpellier, Montpellier, France
| | - Olivier Cazorla
- PhyMedExp, INSERM, CNRS, CHRU Montpellier, Université de Montpellier, Montpellier, France
| | - Arnaud Bourdin
- PhyMedExp, INSERM, CNRS, CHRU Montpellier, Université de Montpellier, Montpellier, France
| | - Maurice Hayot
- PhyMedExp, INSERM, CNRS, CHRU Montpellier, Université de Montpellier, Montpellier, France
| | - Pascal Pomiès
- PhyMedExp, INSERM, CNRS, Université de Montpellier, Montpellier, France
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Yu H, Zhu G, Wang D, Huang X, Han F. PI3K/AKT/FOXO3a Pathway Induces Muscle Atrophy by Ubiquitin-Proteasome System and Autophagy System in COPD Rat Model. Cell Biochem Biophys 2024; 82:805-815. [PMID: 38386223 DOI: 10.1007/s12013-024-01232-w] [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: 01/07/2024] [Accepted: 02/08/2024] [Indexed: 02/23/2024]
Abstract
Muscle atrophy is a common extrapulmonary co-morbidity affecting about 20% of patients with COPD. However, the mechanism of muscle atrophy in COPD remains unclear. This study investigated the role of the ubiquitin-proteasome system (UPS) and the autophagy system in COPD muscle atrophy and its mechanism. A COPD rat model was established to evaluate the in vitro effects of the UPS and the autophagy system in muscle atrophy. In addition, the role of the UPS, autophagy systems, and the expressions of the PI3K/AKT/FOXO3a pathway were studied in the CSE-induced L6 myoblast cells. Furthermore, we evaluated the effect of FOXO3a in the CSE-induced L6 myoblast cells using siRNA-FOXO3a. The results showed that the expression of ubiquitin-related proteins and autophagy-related proteins were significantly increased in the COPD rat model and CSE-induced L6 myoblast cells. At the same time, there was a concurrent decrease in the phosphorylation protein expression of PI3K and AKT, but the transcriptional activity of FOXO3a was increased in CSE-induced L6 myoblast cells. And siRNA-FOXO3a significantly decreased the expression level of the UPS and the autophagy system in CSE-induced L6 myoblast cells. These results suggest that PI3K/AKT/FOXO3a participates in COPD muscle atrophy by regulating the UPS and the autophagy systems.
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Affiliation(s)
- Haiyang Yu
- Department of Respiratory Medicine, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Guiyin Zhu
- Department of Respiratory Medicine, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Dongmei Wang
- Department of Respiratory Medicine, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xuan Huang
- Department of Respiratory Medicine, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fengfeng Han
- Department of Respiratory Medicine, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
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Gao Y, Li C, Li J, Li L. Causal relationships of physical activity and leisure sedentary behaviors with COPD: A Mendelian randomization study. Arch Gerontol Geriatr 2024; 121:105364. [PMID: 38430688 DOI: 10.1016/j.archger.2024.105364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Revised: 01/26/2024] [Accepted: 02/04/2024] [Indexed: 03/05/2024]
Abstract
BACKGROUND Chronic diseases such as chronic obstructive pulmonary disease (COPD) have been linked to low levels of physical activity (PA) and higher frequency of leisure sedentary behavior (LSB). The main causes of COPD include respiratory and peripheral muscle dysfunction, low levels of PA, and LSB which are associated with a higher risk of developing COPD. The attribution relationship between PA or LSB and COPD risk or COPD respiratory insufficiency is unclear. To explore this further, we conducted a Mendelian randomization (MR) study using a genotype-simulated randomized trial group to systematically evaluate the causal relationships of PA/LSB on COPD risk and respiratory insufficiency. METHODS The exposure data were obtained from large-scale genome-wide association studies (GWAS), including the PA dataset (N = 729,373) and LSB dataset (N = 1,109,337). The outcome data were derived from the Finn-Gen COPD dataset (N = 381,392). The causal effects were estimated with IVW1, MR-Egger, and WM2. Sensitivity analysis was conducted using Cochran's Q test, MR-Egger intercept test, MR-PRESSO3, leave-one-out analysis, and funnel plot to estimate the robustness of our findings. RESULTS Genetically predicted leisure television (TV) watching significantly increased the risk of COPD (OR = 2.4895, 95 % CI: 1.85259 to 3.34536; P = 1.44 × 10-9) and COPD respiratory insufficiency (OR = 2.55, 95 % CI: 1.53 to 4.27; P = 3.54 × 10-4). No casual effect of other PA or LSB phenotypes on COPD risk or respiratory insufficiency was observed. CONCLUSION Our study provides evidence that TV watching may increase the risk of COPD and its related respiratory insufficiency. These findings emphasized the importance of promoting regular physical exercise and reducing leisure sedentary behavior to prevent COPD.
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Affiliation(s)
- Yixuan Gao
- School of Sport Science, Beijing Sport University, 48 Xinxi Road, Beijing 100084, China; Laboratory of Sports Stress and Adaptation of General Administration of Sports, 48 Xinxi Road, Beijing 100084, China
| | - Conghui Li
- School of Sport Science, Beijing Sport University, 48 Xinxi Road, Beijing 100084, China
| | - Junping Li
- School of Sport Science, Beijing Sport University, 48 Xinxi Road, Beijing 100084, China; Laboratory of Sports Stress and Adaptation of General Administration of Sports, 48 Xinxi Road, Beijing 100084, China.
| | - Ling Li
- Physical and Military Education, Jingdezhen Ceramic University, Jiangxi Province 333403, China
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6
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Brath MSG, Alsted SD, Sahakyan M, Mark EB, Frøkjær JB, Rasmussen HH, Østergaard LR, Christensen RB, Weinreich UM. Association between the Static and Dynamic Lung Function and CT-Derived Thoracic Skeletal Muscle Measurements-A Retrospective Analysis of a 12-Month Observational Follow-Up Pilot Study. Adv Respir Med 2024; 92:123-144. [PMID: 38525774 PMCID: PMC10961694 DOI: 10.3390/arm92020015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Revised: 02/26/2024] [Accepted: 02/28/2024] [Indexed: 03/26/2024]
Abstract
BACKGROUND Patients with chronic obstructive pulmonary disease (COPD) with low skeletal muscle mass and severe airway obstruction have higher mortality risks. However, the relationship between dynamic/static lung function (LF) and thoracic skeletal muscle measurements (SMM) remains unclear. This study explored patient characteristics (weight, BMI, exacerbations, dynamic/static LF, sex differences in LF and SMM, and the link between LF and SMM changes. METHODS A retrospective analysis of a 12-month prospective follow-up study patients with stable COPD undergoing standardized treatment, covering mild to severe stages, was conducted. The baseline and follow-up assessments included computed tomography and body plethysmography. RESULTS This study included 35 patients (17 females and 18 males). This study revealed that females had more stable LF but tended to have greater declines in SMM areas and indices than males (-5.4% vs. -1.9%, respectively), despite the fact that females were younger and had higher LF and less exacerbation than males. A multivariate linear regression showed a negative association between the inspiratory capacity/total lung capacity ratio (IC/TLC) and muscle fat area. CONCLUSIONS The findings suggest distinct LF and BC progression patterns between male and female patients with COPD. A low IC/TLC ratio may predict increased muscle fat. Further studies are necessary to understand these relationships better.
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Affiliation(s)
- Mia Solholt Godthaab Brath
- Respiratory Research Aalborg (Reaal), Aalborg University Hospital, 9000 Aalborg, Denmark;
- Department of Clinical Medicine, Aalborg University, 9220 Aalborg, Denmark; (E.B.M.); (J.B.F.); (H.H.R.)
- Department of Respiratory Diseases, Aalborg University Hospital, 9000 Aalborg, Denmark
| | - Sisse Dyrman Alsted
- Department of General Medicine, North Region Hospital–Hjørring, 9800 Hjørring, Denmark;
| | - Marina Sahakyan
- Department of Radiology, Aalborg University Hospital, 9000 Aalborg, Denmark; (M.S.); (R.B.C.)
| | - Esben Bolvig Mark
- Department of Clinical Medicine, Aalborg University, 9220 Aalborg, Denmark; (E.B.M.); (J.B.F.); (H.H.R.)
- Mech-Sense, Department of Gastroenterology and Hepatology, Aalborg University Hospital, 9000 Aalborg, Denmark
| | - Jens Brøndum Frøkjær
- Department of Clinical Medicine, Aalborg University, 9220 Aalborg, Denmark; (E.B.M.); (J.B.F.); (H.H.R.)
- Department of Radiology, Aalborg University Hospital, 9000 Aalborg, Denmark; (M.S.); (R.B.C.)
| | - Henrik Højgaard Rasmussen
- Department of Clinical Medicine, Aalborg University, 9220 Aalborg, Denmark; (E.B.M.); (J.B.F.); (H.H.R.)
- Department of Gastroenterology and Hepatology, Aalborg University Hospital, 9000 Aalborg, Denmark
- Danish Nutrition Science Center, Aalborg University Hospital, 9000 Aalborg, Denmark
- Center for Nutrition and Intestinal Failure, Aalborg University Hospital, 9000 Aalborg, Denmark
- Department of Dietetic and Nutritional Research, Copenhagen University Hospitals, Herlev and Gentofte Hospitals, 2730 Herlev, Denmark
| | - Lasse Riis Østergaard
- Medical Informatics Group, Department of Health Science and Technology, Aalborg University, 9220 Aalborg, Denmark;
| | | | - Ulla Møller Weinreich
- Respiratory Research Aalborg (Reaal), Aalborg University Hospital, 9000 Aalborg, Denmark;
- Department of Clinical Medicine, Aalborg University, 9220 Aalborg, Denmark; (E.B.M.); (J.B.F.); (H.H.R.)
- Department of Respiratory Diseases, Aalborg University Hospital, 9000 Aalborg, Denmark
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Reddy KD, Bizymi N, Schweikert A, Ananth S, Lim CX, Lodge KM, Joannes A, Ubags N, van der Does AM, Cloonan SM, Mailleux A, Mansouri N, Reynaert NL, Heijink IH, Cuevas-Ocaña S. ERS International Congress 2023: highlights from the Basic and Translational Sciences Assembly. ERJ Open Res 2024; 10:00875-2023. [PMID: 38686182 PMCID: PMC11057505 DOI: 10.1183/23120541.00875-2023] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 11/10/2023] [Indexed: 05/02/2024] Open
Abstract
Early career members of Assembly 3 (Basic and Translational Sciences) of the European Respiratory Society (ERS) summarise the key messages discussed during six selected sessions that took place at the ERS International Congress 2023 in Milan, Italy. Aligned with the theme of the congress, the first session covered is "Micro- and macro-environments and respiratory health", which is followed by a summary of the "Scientific year in review" session. Next, recent advances in experimental methodologies and new technologies are discussed from the "Tissue modelling and remodelling" session and a summary provided of the translational science session, "What did you always want to know about omics analyses for clinical practice?", which was organised as part of the ERS Translational Science initiative's aims. The "Lost in translation: new insights into cell-to-cell crosstalk in lung disease" session highlighted how next-generation sequencing can be integrated with laboratory methods, and a final summary of studies is presented from the "From the transcriptome landscape to innovative preclinical models in lung diseases" session, which links the transcriptome landscape with innovative preclinical models. The wide range of topics covered in the selected sessions and the high quality of the research discussed demonstrate the strength of the basic and translational science being presented at the international respiratory conference organised by the ERS.
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Affiliation(s)
- Karosham Diren Reddy
- Epigenetics of Chronic Lung Disease Group, Forschungszentrum Borstel Leibniz Lungenzentrum, Borstel, Germany
- Division of Pediatric Pneumology and Allergology, University Medical Center Schleswig-Holstein, Lübeck, Germany
- These authors contributed equally
| | - Nikoleta Bizymi
- Laboratory of Molecular and Cellular Pneumonology, School of Medicine, University of Crete, Heraklion, Greece
- These authors contributed equally
| | - Anja Schweikert
- Department of Medicine, Royal College of Surgeons in Ireland, Dublin, Ireland
- These authors contributed equally
| | - Sachin Ananth
- London North West University Healthcare NHS Trust, London, UK
- These authors contributed equally
| | - Clarice X. Lim
- Institute of Medical Genetics, Center for Pathobiochemistry and Genetics, Medical University of Vienna, Vienna, Austria
- Ludwig Boltzmann Institute for Lung Health, Clinic Penzing, Vienna, Austria
- These authors contributed equally
| | - Katharine M. Lodge
- National Heart and Lung Institute, Imperial College London, London, UK
- These authors contributed equally
| | - Audrey Joannes
- Université de Rennes, CHU Rennes, Inserm, EHESP, Irset (Institut de recherche en santé, environnement et travail) – UMR_S 1085, Rennes, France
| | - Niki Ubags
- Division of Pulmonary Medicine, Department of Medicine, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Anne M. van der Does
- PulmoScience Lab, Department of Pulmonology, Leiden University Medical Center, Leiden, The Netherlands
| | - Suzanne M. Cloonan
- School of Medicine, Trinity Biosciences Institute, Trinity College Dublin, Dublin, Ireland
| | - Arnaud Mailleux
- Université Paris Cité, Inserm, Physiopathologie et épidémiologie des maladies respiratoires, Paris, France
| | - Nahal Mansouri
- Division of Pulmonary Medicine, Department of Medicine, Lausanne University Hospital (CHUV), University of Lausanne (UNIL), Lausanne, Switzerland
| | - Niki L. Reynaert
- Department of Respiratory Medicine and School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Centre, Maastricht, The Netherlands
| | - Irene H. Heijink
- University of Groningen, University Medical Center Groningen, Department of Pathology and Medical Biology, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, The Netherlands
- University of Groningen, University Medical Center Groningen, Department of Pulmonary Diseases, Groningen Research Institute for Asthma and COPD (GRIAC), Groningen, The Netherlands
| | - Sara Cuevas-Ocaña
- Biodiscovery Institute, Translational Medical Sciences, School of Medicine, University of Nottingham, Nottingham, UK
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Sekar J, Attaway AH. The intersection of HIF-1α, O-GlcNAc, and skeletal muscle loss in chronic obstructive pulmonary disease. Glycobiology 2023; 33:873-878. [PMID: 37812446 PMCID: PMC10859630 DOI: 10.1093/glycob/cwad081] [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: 06/15/2023] [Revised: 09/29/2023] [Accepted: 10/04/2023] [Indexed: 10/10/2023] Open
Abstract
Sarcopenia, defined as the loss of muscle mass and strength, is a major cause of morbidity and mortality in COPD (chronic obstructive pulmonary disease) patients. However, the molecular mechanisms that cause sarcopenia remain to be determined. In this review, we will highlight the unique molecular and metabolic perturbations that occur in the skeletal muscle of COPD patients in response to hypoxia, and emphasize important areas of future research. In particular, the mechanisms related to the glycolytic shift that occurs in skeletal muscle in response to hypoxia may occur via a hypoxia-inducible factor 1-alpha (HIF-1α)-mediated mechanism. Upregulated glycolysis in skeletal muscle promotes a unique post-translational glycosylation of proteins known as O-GlcNAcylation, which further shifts metabolism toward glycolysis. Molecular changes in the skeletal muscle of COPD patients are associated with fiber-type shifting from Type I (oxidative) muscle fibers to Type II (glycolytic) muscle fibers. The metabolic shift toward glycolysis caused by HIF-1α and O-GlcNAc modified proteins suggests a potential cause for sarcopenia in COPD, which is an emerging area of future research.
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Affiliation(s)
- Jinendiran Sekar
- Division of Infectious Diseases, Harbor-UCLA Medical Center, 1000 West Carson Street, MRL Building, Box 466; Torrance, CA 90502, United States
- The Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center, 1124 W Carson St, Torrance, CA 90502, United States
| | - Amy H Attaway
- Respiratory Institute, Cleveland Clinic, Cleveland Clinic Main Campus, Mail Code A90, 9500 Euclid Avenue, Cleveland, OH 44195, United States
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He Z, Li H, Cao B, Zan Z, Feng H, Wei Q, Liu K. Predictive Value of Skeletal Muscle Function Test Combined with Climbing Test for Postoperative Cardiopulmonary Complications in Patients with COPD and Concurrent Lung Cancer. Int J Chron Obstruct Pulmon Dis 2023; 18:2699-2706. [PMID: 38034469 PMCID: PMC10685075 DOI: 10.2147/copd.s438336] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Accepted: 11/16/2023] [Indexed: 12/02/2023] Open
Abstract
Purpose To explore the predictive value of skeletal muscle function measurement combined with stair climbing test for postoperative cardiopulmonary complications in patients with chronic obstructive pulmonary disease (COPD) and non-small cell lung cancer (NSCLC). Patients and Methods A prospective study was conducted from June 2022 to July 2023 at West China Hospital of Sichuan University, including 335 COPD patients with lung cancer who underwent surgery. The patients were divided into two groups based on the occurrence of postoperative cardiopulmonary complications: the complication group and the non-complication group. The demographic data, including gender, age, smoking history, quadriceps strength, body mass index (BMI), respiratory muscle strength, 6-minute walk test (6MWD), stair climbing test, and preoperative pulmonary function tests, were compared between the two groups. Logistic regression analysis was performed to evaluate the predictive power of each parameter for postoperative cardiopulmonary complications. Results Among the enrolled patients, 103 (30.7%) developed postoperative cardiopulmonary complications. Significant differences were observed between the two groups in terms of quadriceps strength, respiratory muscle strength, 6MWD, smoking history, stair climbing test, DLCO%, FEV1%, heart rate, oxygen saturation, surgical duration, surgical approach, resection range, and blood loss (P<0.05). Logistic regression analysis revealed that respiratory muscle strength, quadriceps strength, stair climbing test, FEV1%, DLCO%, ΔHR, ΔSPO2, surgical approach were identified as risk factors for postoperative cardiopulmonary complications in patients with COPD and lung cancer. Conclusion Skeletal muscle function measurement, stair climbing test, FEV1, surgical approach, and DLCO% can serve as assessment tools for surgical risk in patients with COPD and lung cancer. They can predict the occurrence of postoperative cardiopulmonary complications to a certain extent, providing valuable predictive value for these complications in patients with COPD and NSCLC.
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Affiliation(s)
- Zemin He
- Department of Thoracic Surgery, The First People’s Hospital of Shuangliu District (West China Airport Hospital of Sichuan University), Chendu, Sichuan Province, People’s Republic of China
| | - Hong Li
- Department of Thoracic Surgery, The First People’s Hospital of Shuangliu District (West China Airport Hospital of Sichuan University), Chendu, Sichuan Province, People’s Republic of China
| | - Boxiong Cao
- Department of Thoracic Surgery, The First People’s Hospital of Shuangliu District (West China Airport Hospital of Sichuan University), Chendu, Sichuan Province, People’s Republic of China
| | - Ziliang Zan
- Department of Thoracic Surgery, The First People’s Hospital of Shuangliu District (West China Airport Hospital of Sichuan University), Chendu, Sichuan Province, People’s Republic of China
| | - Hao Feng
- Department of Thoracic Surgery, The First People’s Hospital of Shuangliu District (West China Airport Hospital of Sichuan University), Chendu, Sichuan Province, People’s Republic of China
| | - Qiang Wei
- Department of Thoracic Surgery, The First People’s Hospital of Shuangliu District (West China Airport Hospital of Sichuan University), Chendu, Sichuan Province, People’s Republic of China
| | - Keting Liu
- Department of Neurology, Chengdu Seventh People’s Hospital, Chendu, Sichuan Province, People’s Republic of China
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Fekete M, Csípő T, Fazekas-Pongor V, Bálint M, Csizmadia Z, Tarantini S, Varga JT. The Possible Role of Food and Diet in the Quality of Life in Patients with COPD-A State-of-the-Art Review. Nutrients 2023; 15:3902. [PMID: 37764686 PMCID: PMC10536642 DOI: 10.3390/nu15183902] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 08/25/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Diet has been described as a modifiable risk factor for the development and progression of chronic diseases, and emerging evidence increasingly points to its preventive and therapeutic role in chronic obstructive pulmonary disease (COPD). While the relationship between the underlying disease and diet is natural in conditions such as metabolic disorders, obesity, diabetes, etc., the direct effect is not so evident in chronic obstructive pulmonary disease. Poor diet quality and the development of nutrient deficiencies in respiratory diseases, including COPD, can be associated with disease-specific factors such as the exacerbation of respiratory symptoms. These symptoms can be improved by dietary interventions, leading to positive changes in the pathogenesis of the disease and the quality of life of patients. Therefore, our aim was to review the latest randomized controlled trials (RCTs) of dietary interventions in chronic respiratory patients and describe their effects on respiratory function, physical activity, systemic inflammatory parameters, and quality of life. We conducted a literature search on dietary interventions for COPD patients in the PubMed, ClinicalTrials.gov, and Cochrane Central Register of Controlled Trials (CENTRAL) databases, focusing on publications from 1 July 2018 to 1 July 2023. We used specific keywords and MESH terms, focusing on RCTs. A total of 26 articles and 1811 COPD patients were included in this review. On the basis of our findings, dietary interventions, in particular components of the Mediterranean diet such as protein, omega-3 polyunsaturated fatty acids, and vegetables, appear to have beneficial effects in patients with chronic respiratory diseases, and their application is beneficial. However, long-term follow-up studies are still needed to examine the effects of dietary interventions in this patient population.
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Affiliation(s)
- Mónika Fekete
- Department of Public Health, Faculty of Medicine, Semmelweis University, 1089 Budapest, Hungary; (M.F.); (T.C.); (V.F.-P.); (M.B.)
| | - Tamás Csípő
- Department of Public Health, Faculty of Medicine, Semmelweis University, 1089 Budapest, Hungary; (M.F.); (T.C.); (V.F.-P.); (M.B.)
| | - Vince Fazekas-Pongor
- Department of Public Health, Faculty of Medicine, Semmelweis University, 1089 Budapest, Hungary; (M.F.); (T.C.); (V.F.-P.); (M.B.)
| | - Madarász Bálint
- Department of Public Health, Faculty of Medicine, Semmelweis University, 1089 Budapest, Hungary; (M.F.); (T.C.); (V.F.-P.); (M.B.)
| | - Zoltán Csizmadia
- Faculty of Health Sciences, University of Pécs, 7621 Pécs, Hungary;
| | - Stefano Tarantini
- Department of Neurosurgery, The University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA;
- Department of Health Promotion Sciences, College of Public Health, The University of Oklahoma Health Sciences Center, Oklahoma City, OK 73104, USA
- Peggy and Charles Stephenson Oklahoma Cancer Center, Oklahoma City, OK 73104, USA
| | - János Tamás Varga
- Department of Pulmonology, Semmelweis University, 1083 Budapest, Hungary
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