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Yao L, Cao J, Cheng S, Shan S, Jiang D, Luo Z, Li S, Hou L, Li X, Song P. Inequalities in disease burden and care quality of chronic obstructive pulmonary disease, 1990-2021: Findings from the Global Burden of Disease Study 2021. J Glob Health 2024; 14:04213. [PMID: 39329348 PMCID: PMC11428470 DOI: 10.7189/jogh.14.04213] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/28/2024] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) is one of the primary causes of significant morbidity and mortality worldwide. This study aimed to explore the cross-country inequalities by age, sex, and region in COPD's burden and care quality from 1990 to 2021. Methods We obtained data from the Global Burden of Disease 2021. Using age-standardised disability-adjusted life years rate (ASDR) per 100 000 population and quality of care index (QCI), we quantified the COPD burden and care quality, respectively. Applying the principal component analysis method, we calculated QCI scores, ranging from 0 to 100, where higher values indicate better care quality. We quantified temporal trends from 1990 to 2021 for ASDR and QCI by estimated annual percentage change (EAPC). Finally, we assessed the absolute and relative disparities in ASDR and QCI across countries using the slope index of inequality (SII) and concentration index. Results Between 1990 and 2021, there was a notable decline in ASDR of COPD globally (1990 = 1492.64; 2021 = 940.66; EAPC = -1.71), accompanied by an increase in QCI (1990 = 58.42; 2021 = 73.86; EAPC = 0.89). Regions with middle sociodemographic index (SDI) consistently demonstrated the highest ASDR and the lowest QCI in 1990 (ASDR = 2332.91; QCI = 31.70), whereas by 2021, low-middle SDI regions exhibited similar trends (ASDR = 1707.90; QCI = 57.50). In 2021, the highest ASDR was among individuals aged 95 years and above (16251.22), while the lowest QCI was among people aged 70-74 years (72.18). Papua New Guinea recorded the highest ASDR and the lowest QCI in 2021 (ASDR = 3004.36; QCI = 19.18). Compared to 1990, where the SII for ASDR was -612.44 and for QCI was 21.78, with concentration indices of -0.14 for ASDR and 0.11 for QCI, the absolute values of both SII and concentration index were smaller in 2021, with ASDR's SII at -555.90, QCI's at 16.72, ASDR's concentration index at -0.13, and QCI's at 0.04. Conclusions The global burden of COPD decreases and care quality increases over time, with notable variations across ages, sexes and SDI regions. Countries with lower SDI had disproportionately higher burden and poorer care quality for COPD.
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Talley S, Nguyen T, Van Ye L, Valiauga R, DeCarlo J, Mustafa J, Cook B, White FA, Campbell EM. Characterization of age-associated inflammasome activation reveals tissue specific differences in transcriptional and post-translational inflammatory responses. Immun Ageing 2024; 21:60. [PMID: 39256821 PMCID: PMC11384696 DOI: 10.1186/s12979-024-00462-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2024] [Accepted: 08/15/2024] [Indexed: 09/12/2024]
Abstract
Aging is associated with systemic chronic, low-grade inflammation, termed 'inflammaging'. This pattern of inflammation is multifactorial and is driven by numerous inflammatory pathways, including the inflammasome. However, most studies to date have examined changes in the transcriptomes that are associated with aging and inflammaging, despite the fact that inflammasome activation is driven by a series of post-translational activation steps, culminating in the cleavage and activation of caspase-1. Here, we utilized transgenic mice expressing a caspase-1 biosensor to examine age-associated inflammasome activation in various organs and tissues to define these post-translational manifestations of inflammaging. Consistent with other studies, we observe increased inflammation, including inflammasome activation, in aged mice and specific tissues. However, we note that the degree of inflammasome activation is not uniformly associated with transcriptional changes commonly used as a surrogate for inflammasome activation in tissues. Furthermore, we used a skull thinning technique to monitor central nervous system inflammasome activation in vivo in aged mice and found that neuroinflammation is significantly amplified in aged mice in response to endotoxin challenge. Together, these data reveal that inflammaging is associated with both transcriptional and post-translational inflammatory pathways that are not uniform between tissues and establish new methodologies for measuring age-associated inflammasome activation in vivo and ex vivo.
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Affiliation(s)
- Sarah Talley
- Department of Microbiology and Immunology, Loyola University Chicago, Maywood, IL, USA
| | - Tyler Nguyen
- Department of Anesthesia, Indiana University School of Medicine, Indianapolis, IN, USA
- Richard L. Roudebush VA Medical Center, Indianapolis, IN, USA
| | - Lily Van Ye
- Department of Microbiology and Immunology, Loyola University Chicago, Maywood, IL, USA
| | - Rasa Valiauga
- Stritch School of Medicine, Loyola University Chicago, Maywood, IL, USA
| | - Jake DeCarlo
- Department of Microbiology and Immunology, Loyola University Chicago, Maywood, IL, USA
| | - Jabra Mustafa
- Stritch School of Medicine, Loyola University Chicago, Maywood, IL, USA
| | - Benjamin Cook
- Department of Microbiology and Immunology, Loyola University Chicago, Maywood, IL, USA
| | - Fletcher A White
- Department of Anesthesia, Indiana University School of Medicine, Indianapolis, IN, USA
- Richard L. Roudebush VA Medical Center, Indianapolis, IN, USA
| | - Edward M Campbell
- Department of Microbiology and Immunology, Loyola University Chicago, Maywood, IL, USA.
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Sweef O, Mahfouz R, Taşcıoğlu T, Albowaidey A, Abdelmonem M, Asfar M, Zaabout E, Corcino YL, Thomas V, Choi ES, Furuta S. Decoding LncRNA in COPD: Unveiling Prognostic and Diagnostic Power and Their Driving Role in Lung Cancer Progression. Int J Mol Sci 2024; 25:9001. [PMID: 39201688 PMCID: PMC11354875 DOI: 10.3390/ijms25169001] [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: 07/01/2024] [Revised: 08/05/2024] [Accepted: 08/09/2024] [Indexed: 09/03/2024] Open
Abstract
Chronic obstructive pulmonary disease (COPD) and lung cancer represent formidable challenges in global health, characterized by intricate pathophysiological mechanisms and multifaceted disease progression. This comprehensive review integrates insights from diverse perspectives to elucidate the intricate roles of long non-coding RNAs (lncRNAs) in the pathogenesis of COPD and lung cancer, focusing on their diagnostic, prognostic, and therapeutic implications. In the context of COPD, dysregulated lncRNAs, such as NEAT1, TUG1, MALAT1, HOTAIR, and GAS5, emerge as pivotal regulators of genes involved in the disease pathogenesis and progression. Their identification, profiling, and correlation with the disease severity present promising avenues for prognostic and diagnostic applications, thereby shaping personalized disease interventions. These lncRNAs are also implicated in lung cancer, underscoring their multifaceted roles and therapeutic potential across both diseases. In the domain of lung cancer, lncRNAs play intricate modulatory roles in disease progression, offering avenues for innovative therapeutic approaches and prognostic indicators. LncRNA-mediated immune responses have been shown to drive lung cancer progression by modulating the tumor microenvironment, influencing immune cell infiltration, and altering cytokine production. Their dysregulation significantly contributes to tumor growth, metastasis, and chemo-resistance, thereby emphasizing their significance as therapeutic targets and prognostic markers. This review summarizes the transformative potential of lncRNA-based diagnostics and therapeutics for COPD and lung cancer, offering valuable insights into future research directions for clinical translation and therapeutic development.
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Affiliation(s)
- Osama Sweef
- Division of Cancer Biology, Department of Medicine, MetroHealth Medical Center, School of Medicine, Case Western Reserve University, 2500 MetroHealth Drive, Cleveland, OH 44109, USA
- Department of Zoology, Faculty of Science, Tanta University, Tanta 31527, Egypt
| | - Reda Mahfouz
- Core Laboratory, University Hospital Cleveland Medical Center, Department of Pathology, School of Medicine, Case Western Reserve University, 1100 Euclid Avenue, Cleveland, OH 44106, USA
- Department of Clinical Pathology, Faculty of Medicine, Menofia University, Shebin-Elkom 32511, Egypt
| | - Tülin Taşcıoğlu
- Department of Molecular Biology and Genetics, Demiroglu Bilim University, Esentepe Central Campus, Besiktas, 34394 Istanbul, Turkey
| | - Ali Albowaidey
- The Ragon Institute of Mass General, MIT, and Harvard, Cambridge, MA 02139, USA
- Department of Microbiology, Immunology, and Cell Biology, School of Medicine, West Virginia University, Morgantown, WV 26506, USA
| | - Mohamed Abdelmonem
- Department of Pathology, Transfusion Medicine Service, Stanford Healthcare, Stanford, CA 94305, USA
| | - Malek Asfar
- Department of Pathology, MetroHealth Medical Center, School of Medicine, Case Western Reserve University, 2500 MetroHealth Drive, Cleveland, OH 44109, USA
| | - Elsayed Zaabout
- Department of Therapeutics & Pharmacology, The University of Texas MD Anderson Cancer Center, UTHealth Graduate School of Biomedical Sciences (GSBS), Houston, TX 77030, USA
| | - Yalitza Lopez Corcino
- Division of Cancer Biology, Department of Medicine, MetroHealth Medical Center, School of Medicine, Case Western Reserve University, 2500 MetroHealth Drive, Cleveland, OH 44109, USA
| | - Venetia Thomas
- Division of Cancer Biology, Department of Medicine, MetroHealth Medical Center, School of Medicine, Case Western Reserve University, 2500 MetroHealth Drive, Cleveland, OH 44109, USA
| | - Eun-Seok Choi
- Division of Cancer Biology, Department of Medicine, MetroHealth Medical Center, School of Medicine, Case Western Reserve University, 2500 MetroHealth Drive, Cleveland, OH 44109, USA
| | - Saori Furuta
- Division of Cancer Biology, Department of Medicine, MetroHealth Medical Center, School of Medicine, Case Western Reserve University, 2500 MetroHealth Drive, Cleveland, OH 44109, USA
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Howard S, Odoi A. Spatial patterns and sociodemographic predictors of chronic obstructive pulmonary disease in Florida. PeerJ 2024; 12:e17771. [PMID: 39104363 PMCID: PMC11299531 DOI: 10.7717/peerj.17771] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 06/27/2024] [Indexed: 08/07/2024] Open
Abstract
Background Chronic obstructive pulmonary disease (COPD) is a chronic, inflammatory respiratory disease that obstructs airflow and decreases lung function and is a leading cause death globally. In the United States (US), the prevalence among adults is 6.2%, but increases with age to 12.8% among those 65 years or older. Florida has one of the largest populations of older adults in the US, accounting for 4.5 million adults 65 years or older. This makes Florida an ideal geographic location for investigating COPD as disease prevalence increases with age. Understanding the geographic disparities in COPD and potential associations between its disparities and environmental factors as well as population characteristics is useful in guiding intervention strategies. Thus, the objectives of this study are to investigate county-level geographic disparities of COPD prevalence in Florida and identify county-level socio-demographic predictors of COPD prevalence. Methods This ecological study was performed in Florida using data obtained from the US Census Bureau, Florida Health CHARTS, and County Health Rankings and Roadmaps. County-level COPD prevalence for 2019 was age-standardized using the direct method and 2020 US population as the standard population. High-prevalence spatial clusters of COPD were identified using Tango's flexible spatial scan statistics. Predictors of county-level COPD prevalence were investigated using multivariable ordinary least squares model built using backwards elimination approach. Multicollinearity of regression coefficients was assessed using variance inflation factor. Shapiro-Wilks, Breusch Pagan, and robust Lagrange Multiplier tests were used to assess for normality, homoskedasticity, and spatial autocorrelation of model residuals, respectively. Results County-level age-adjusted COPD prevalence ranged from 4.7% (Miami-Dade) to 16.9% (Baker and Bradford) with a median prevalence of 9.6%. A total of 6 high-prevalence clusters with prevalence ratios >1.2 were identified. The primary cluster, which was also the largest geographic cluster that included 13 counties, stretched from Nassau County in north-central Florida to Charlotte County in south-central Florida. However, cluster 2 had the highest prevalence ratio (1.68) and included 10 counties in north-central Florida. Together, the primary cluster and cluster 2 covered most of the counties in north-central Florida. Significant predictors of county-level COPD prevalence were county-level percentage of residents with asthma and the percentage of current smokers. Conclusions There is evidence of spatial clusters of COPD prevalence in Florida. These patterns are explained, in part, by differences in distribution of some health behaviors (smoking) and co-morbidities (asthma). This information is important for guiding intervention efforts to address the condition, reduce health disparities, and improve population health.
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Affiliation(s)
- Sara Howard
- Biomedical and Diagnostic Sciences, University of Tennessee, Knoxville, TN, United States of America
| | - Agricola Odoi
- Biomedical and Diagnostic Sciences, University of Tennessee, Knoxville, TN, United States of America
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Liu Y, Huang Q, Zhuang Z, Yang H, Gou X, Xu T, Liu K, Wang J, Liu B, Gao P, Cao F, Yang B, Zhang C, Chen M, Fan G. Gut virome alterations in patients with chronic obstructive pulmonary disease. Microbiol Spectr 2024; 12:e0428723. [PMID: 38785444 PMCID: PMC11218493 DOI: 10.1128/spectrum.04287-23] [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: 01/03/2024] [Accepted: 04/08/2024] [Indexed: 05/25/2024] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is one of the primary causes of mortality and morbidity worldwide. The gut microbiome, particularly the bacteriome, has been demonstrated to contribute to the progression of COPD. However, the influence of gut virome on the pathogenesis of COPD is rarely studied. Recent advances in viral metagenomics have enabled the rapid discovery of its remarkable role in COPD. In this study, deep metagenomics sequencing of fecal virus-like particles and bacterial 16S rRNA sequencing was performed on 92 subjects from China to characterize alterations of the gut virome in COPD. Lower richness and diversity of the gut virome were observed in the COPD subjects compared with the healthy individuals. Sixty-four viral species, including Clostridium phage, Myoviridae sp., and Synechococcus phage, showed positive relationships with pulmonary ventilation functions and had markedly declined population in COPD subjects. Multiple viral functions, mainly involved in bacterial susceptibility and the interaction between bacteriophages and bacterial hosts, were significantly declined in COPD. In addition, COPD was characterized by weakened viral-bacterial interactions compared with those in the healthy cohort. The gut virome showed diagnostic performance with an area under the curve (AUC) of 88.7%, which indicates the potential diagnostic value of the gut virome for COPD. These results suggest that gut virome may play an important role in the development of COPD. The information can provide a reference for the future investigation of diagnosis, treatment, and in-depth mechanism research of COPD. IMPORTANCE Previous studies showed that the bacteriome plays an important role in the progression of chronic obstructive pulmonary disease (COPD). However, little is known about the involvement of the gut virome in COPD. Our study explored the disease-specific virome signatures of patients with COPD. We found the diversity and compositions altered of the gut virome in COPD subjects compared with healthy individuals, especially those viral species positively correlated with pulmonary ventilation functions. Additionally, the declined bacterial susceptibility, the interaction between bacteriophages and bacterial hosts, and the weakened viral-bacterial interactions in COPD were observed. The findings also suggested the potential diagnostic value of the gut virome for COPD. The results highlight the significance of gut virome in COPD. The novel strategies for gut virome rectifications may help to restore the balance of gut microecology and represent promising therapeutics for COPD.
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Affiliation(s)
- Yue Liu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qingsong Huang
- Department of Respiratory Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Zhenhua Zhuang
- Chengdu Life Baseline Technology Co., Ltd., Chengdu, China
| | - Hongjing Yang
- Department of Respiratory Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xiaoling Gou
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Tong Xu
- Chengdu Life Baseline Technology Co., Ltd., Chengdu, China
| | - Ke Liu
- Department of Respiratory Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jun Wang
- Department of Respiratory Medicine, Chengdu Fifth People’s Hospital, Chengdu, China
| | - Bo Liu
- Department of Respiratory Medicine, Chengdu Fifth People’s Hospital, Chengdu, China
| | - Peiyang Gao
- Department of Critical Care Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Feng Cao
- Chengdu Life Baseline Technology Co., Ltd., Chengdu, China
| | - Bin Yang
- Chengdu Life Baseline Technology Co., Ltd., Chengdu, China
| | - Chuantao Zhang
- Department of Respiratory Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Mei Chen
- School of Medical and Life Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Gang Fan
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Ethnic Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
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Woo SW, Kim M, Kang D, Choe YH, Oh SJ, You AS, Lee SL, Kim J. Genome-Wide Characterization of Somatic Mutation Patterns in Cloned Dogs Reveals Implications for Neuronal Function, Tumorigenesis, and Aging. Genes (Basel) 2024; 15:801. [PMID: 38927737 PMCID: PMC11202621 DOI: 10.3390/genes15060801] [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: 04/25/2024] [Revised: 05/27/2024] [Accepted: 06/15/2024] [Indexed: 06/28/2024] Open
Abstract
Studies on somatic mutations in cloned animals have revealed slight genetic variances between clones and their originals, but have yet to identify the precise effects of these differences within the organism. Somatic mutations contribute to aging and are implicated in tumor development and other age-related diseases. Thus, we compared whole genome sequencing data from an original dog with that of cloned dogs, identifying candidate somatic mutations that were disproportionately located within genes previously implicated in aging. The substitutional signature of cloning-specific somatic mutations mirrored the uniform distribution characteristic of the signature associated with human aging. Further analysis of genes revealed significant enrichment of traits associated with body size as well as the molecular mechanisms underlying neuronal function and tumorigenesis. Overall, the somatic mutations found in cloned dogs may indicate a conserved mechanism driving aging across species and a broad spectrum of pathway alterations.
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Affiliation(s)
- Seung-Wan Woo
- Division of Applied Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea; (S.-W.W.); (D.K.)
- Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea;
| | - Miju Kim
- Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea;
| | - Dayeon Kang
- Division of Applied Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea; (S.-W.W.); (D.K.)
- Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea;
| | - Yong-ho Choe
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (Y.-h.C.); (S.-J.O.); (S.-L.L.)
| | - Seong-Ju Oh
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (Y.-h.C.); (S.-J.O.); (S.-L.L.)
| | - Are-Sun You
- Division of Animal Diseases & Health, National Institute of Animal Science, RDA, Wanju 55365, Republic of Korea;
| | - Sung-Lim Lee
- College of Veterinary Medicine, Gyeongsang National University, Jinju 52828, Republic of Korea; (Y.-h.C.); (S.-J.O.); (S.-L.L.)
| | - Jaemin Kim
- Division of Applied Life Science, Gyeongsang National University, Jinju 52828, Republic of Korea; (S.-W.W.); (D.K.)
- Institute of Agriculture and Life Sciences, Gyeongsang National University, Jinju 52828, Republic of Korea;
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Huang P, Xiang T, Wang Q, Han L, Zheng S, Zhang D, Huang F, Duan B, Li J, Li H, Huang T. Protective effect of Xixin-Ganjiang herb pair for warming the lungs to dissolve phlegm in chronic obstructive pulmonary disease rats based on integrated network pharmacology and metabolomics. Biomed Chromatogr 2024; 38:e5851. [PMID: 38449348 DOI: 10.1002/bmc.5851] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 01/21/2024] [Accepted: 02/03/2024] [Indexed: 03/08/2024]
Abstract
Xixin-Ganjiang herb pair (XGHP) is a classic combination for warming the lungs to dissolve phlegm and is often used to treat a variety of chronic lung diseases; it can treat the syndrome of cold phlegm obstruction of lungs. First, ultra-performance liquid chromatography-tandem mass spectrometry (UPLC-MS/MS) was used to examine the composition of XGHP, and network pharmacology was used to predict its potential core targets and signaling pathways in the current study. Second, a rat model of chronic obstructive pulmonary disease (COPD) was established for assessing the anti-COPD activity of XGHP, and metabolomics was used to explore the biomarkers and metabolic pathways. Finally, the sample was validated using molecular docking and Western blotting. The integration of metabolomics and network pharmacology results identified 11 targets, 3 biomarkers, 3 pathways, and 2 metabolic pathways. Western blotting showed that XGHP effectively regulated the expression of core proteins via multiple signaling pathways (downregulation of toll-like receptor 4 [TLR4] and upregulation of serine/threonine-protein kinase 1 [p-AKT1] and nitric oxide synthase 3 [NOS3]). Molecular docking results showed that the 10 potentially active components of XGHP have good affinity with tumor necrosis factor-alpha (TNF-α), interleukin-6 (IL-6), matrix metalloproteinase 9 (MMP-9), TLR4, p-AKT1, and NOS3. Our findings suggest that XGHP may regulate glucolipid metabolism, improve energy supply, and inhibit inflammatory responses (TNF-α, IL-6, and MMP-9) via the PI3K-Akt signaling pathway and HIF-1 signaling pathway in the management of COPD.
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Affiliation(s)
- Ping Huang
- Department of Rehabilitation Medicine, General Hospital of Central Theater Command, Wuhan, China
- College of Basic Medicine, Hubei University of Chinese Medicine, Wuhan, China
| | - Ting Xiang
- Department of Rehabilitation Medicine, General Hospital of Central Theater Command, Wuhan, China
| | - Qiong Wang
- College of Basic Medicine, Hubei University of Chinese Medicine, Wuhan, China
| | - Lintao Han
- Pharmacy School, Hubei University of Chinese Medicine, Wuhan, China
- Key Laboratory of Traditional Chinese Medicine Resource and Prescription, Ministry of Education, Wuhan, China
| | - Sili Zheng
- Pharmacy School, Hubei University of Chinese Medicine, Wuhan, China
| | - Dongning Zhang
- Pharmacy School, Hubei University of Chinese Medicine, Wuhan, China
| | - Fang Huang
- College of Basic Medicine, Hubei University of Chinese Medicine, Wuhan, China
| | - Bailu Duan
- College of Basic Medicine, Hubei University of Chinese Medicine, Wuhan, China
| | - Jingjing Li
- College of Basic Medicine, Hubei University of Chinese Medicine, Wuhan, China
| | - Huamao Li
- Department of Rehabilitation Medicine, General Hospital of Central Theater Command, Wuhan, China
| | - Tao Huang
- Department of Orthopedics, Wuhan Red Cross Hospital, Wuhan, China
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Wang Y, Wang D, Hao H, Cui J, Huang L, Liang Q. The association between cadmium exposure and the risk of chronic obstructive pulmonary disease: A systematic review and meta-analysis. JOURNAL OF HAZARDOUS MATERIALS 2024; 469:133828. [PMID: 38412643 DOI: 10.1016/j.jhazmat.2024.133828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Revised: 01/28/2024] [Accepted: 02/16/2024] [Indexed: 02/29/2024]
Abstract
According to the World Health Organization, chronic obstructive pulmonary disease (COPD) was one of the top ten causes of death worldwide in 2019. The ratio of forced expiratory volume in the first second to forced vital capacity (FEV1/FVC) provides a useful indicator for the diagnosis of COPD. Existing data have demonstrated that cadmium (Cd) exposure is associated with COPD. However, data concerning the incidence and progression of cadmium-induced COPD is inconsistent. To explore the relationship between cadmium exposure and the risk of COPD in humans, through January 12, 2023, we conducted a thorough search of the PubMed, Cochrane, Web of Science, Embase and Scopus databases for relevant material. In this study, a meta-analysis was conducted to evaluate the association between cadmium and COPD. This meta-analysis indicated that exposure to cadmium (per 1 μg/L increase) was associated with reduced FEV1/FVC (% change = -47.54%, 95% CI: -54.99% to -40.09%). Subgroup analysis showed that the combined effect estimates were significantly higher in the COPD patient group (% change = -54.66%, 95% CI: -83.32% to -26.00%) than in the general population (% change = -52.11%, 95%CI: -60.53% to -43.70%). Therefore, we conclude that cadmium exposure is associated with reduced FEV1/FVC, which suggests a risk for COPD.
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Affiliation(s)
- Yali Wang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Donglei Wang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Hongyu Hao
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Jinjin Cui
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China
| | - Lihua Huang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China.
| | - Qingqing Liang
- School of Public Health, Baotou Medical College, Baotou 014030, Inner Mongolia, China.
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9
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Wang S, Wang Y, Hu X, Lu L. Association between dietary inflammation index and asthma COPD overlap. Sci Rep 2024; 14:8077. [PMID: 38580789 PMCID: PMC10997578 DOI: 10.1038/s41598-024-58813-1] [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: 11/01/2023] [Accepted: 04/03/2024] [Indexed: 04/07/2024] Open
Abstract
There are few studies on the relationship between dietary habits and asthma-COPD overlap (ACO). In this study, we aimed to investigate the association between dietary inflammation index (DII) score and ACO. Data from the National Health and Nutrition Examination Survey (NHANES) from 1999 to 2020. The DII score was first calculated and the demographic characteristics of the grouping based on the DII quartile were assessed. The weighted logistic regression model was used to study the relationship between DII and ACO. Subgroup analysis was used to further explore the differences in different subgroups. Restricted cubic spline (RCS) plot was used to show the general trend of DII score and disease risk, and threshold effect analysis was used to determine the inflection point. In a comparison of baseline characteristics, the highest ACO prevalence was found in the fourth quartile array of people in DII. An adjusted weighted logistic regression model showed that DII was positively correlated with the incidence of ACO. Subgroup analysis showed that the association was more pronounced in women, non-Hispanics, people with cardiovascular disease, and people without diabetes. The RCS graph shows that overall, the risk of ACO increases with the increase of DII score. Threshold effect analysis showed that the inflection point was 3.779, and the risk was more significant after the DII score was greater than the inflection point value (OR 2.001, 95% CI 1.334-3.001, P < 0.001). Higher DII scores were positively associated with ACO risk. These results further support diet as an intervention strategy for ACO prevention and treatment.
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Affiliation(s)
- Shidong Wang
- Department of Respiratory Medicine, Shaoxing Second Hospital, Shaoxing, China.
| | - Yaokun Wang
- Department of Respiratory Medicine, Shaoxing Second Hospital, Shaoxing, China
| | - Xiaoyan Hu
- Department of Respiratory Medicine, Shaoxing Second Hospital, Shaoxing, China
| | - Linmin Lu
- Department of Respiratory Medicine, Shaoxing Second Hospital, Shaoxing, China
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10
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Goecke T, Ius F, Ruhparwar A, Martin U. Unlocking the Future: Pluripotent Stem Cell-Based Lung Repair. Cells 2024; 13:635. [PMID: 38607074 PMCID: PMC11012168 DOI: 10.3390/cells13070635] [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: 01/05/2024] [Revised: 03/18/2024] [Accepted: 03/26/2024] [Indexed: 04/13/2024] Open
Abstract
The human respiratory system is susceptible to a variety of diseases, ranging from chronic obstructive pulmonary disease (COPD) and pulmonary fibrosis to acute respiratory distress syndrome (ARDS). Today, lung diseases represent one of the major challenges to the health care sector and represent one of the leading causes of death worldwide. Current treatment options often focus on managing symptoms rather than addressing the underlying cause of the disease. The limitations of conventional therapies highlight the urgent clinical need for innovative solutions capable of repairing damaged lung tissue at a fundamental level. Pluripotent stem cell technologies have now reached clinical maturity and hold immense potential to revolutionize the landscape of lung repair and regenerative medicine. Meanwhile, human embryonic (HESCs) and human-induced pluripotent stem cells (hiPSCs) can be coaxed to differentiate into lung-specific cell types such as bronchial and alveolar epithelial cells, or pulmonary endothelial cells. This holds the promise of regenerating damaged lung tissue and restoring normal respiratory function. While methods for targeted genetic engineering of hPSCs and lung cell differentiation have substantially advanced, the required GMP-grade clinical-scale production technologies as well as the development of suitable preclinical animal models and cell application strategies are less advanced. This review provides an overview of current perspectives on PSC-based therapies for lung repair, explores key advances, and envisions future directions in this dynamic field.
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Affiliation(s)
- Tobias Goecke
- Leibniz Research Laboratories for Biotechnology and Artificial Organs, Lower Saxony Center for Biomedical Engineering, Implant Research and Development /Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany; (F.I.); (A.R.)
- REBIRTH-Research Center for Translational and Regenerative Medicine, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
- Biomedical Research in End-stage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Fabio Ius
- Leibniz Research Laboratories for Biotechnology and Artificial Organs, Lower Saxony Center for Biomedical Engineering, Implant Research and Development /Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany; (F.I.); (A.R.)
- REBIRTH-Research Center for Translational and Regenerative Medicine, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
- Biomedical Research in End-stage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Arjang Ruhparwar
- Leibniz Research Laboratories for Biotechnology and Artificial Organs, Lower Saxony Center for Biomedical Engineering, Implant Research and Development /Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany; (F.I.); (A.R.)
- REBIRTH-Research Center for Translational and Regenerative Medicine, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
- Biomedical Research in End-stage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
| | - Ulrich Martin
- Leibniz Research Laboratories for Biotechnology and Artificial Organs, Lower Saxony Center for Biomedical Engineering, Implant Research and Development /Department of Cardiothoracic, Transplantation and Vascular Surgery, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany; (F.I.); (A.R.)
- REBIRTH-Research Center for Translational and Regenerative Medicine, Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
- Biomedical Research in End-stage and Obstructive Lung Disease (BREATH), Member of the German Center for Lung Research (DZL), Hannover Medical School, Carl-Neuberg-Str. 1, 30625 Hannover, Germany
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Shi Y, Xu Z, Pu S, Xu K, Wang Y, Zhang C. Association Between Serum Klotho and Chronic Obstructive Pulmonary Disease in US Middle-Aged and Older Individuals: A Cross-Sectional Study from NHANES 2013-2016. Int J Chron Obstruct Pulmon Dis 2024; 19:543-553. [PMID: 38435124 PMCID: PMC10906733 DOI: 10.2147/copd.s451859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2023] [Accepted: 02/20/2024] [Indexed: 03/05/2024] Open
Abstract
Purpose This study sought to examine the potential association between serum Klotho levels and the prevalence of COPD in the United States. Patients and Methods This study was a cross-sectional analysis involving 4361 adults aged 40-79 years participating in the US National Health and Nutrition Examination Survey (NHANES) conducted between 2013 and 2016. Our investigation utilized multivariate logistic regression and restricted cubic spline (RCS) regression to explore the potential correlation between serum Klotho concentrations and the prevalence of COPD. Additionally, we conducted stratified and interaction analyses to evaluate the consistency and potential modifiers of this relationship. Results In this study encompassing 4631 patients (with an average age of 57.6 years, 47.5% of whom were male), 445 individuals (10.2%) were identified as having COPD. In the fully adjusted model, ln-transformed serum Klotho was negatively associated with COPD (OR = 0.71; 95% CI: 0.51-0.99; p = 0.043). Meanwhile, compared with quartile 1, serum Klotho levels in quartiles 2-4 yielded odds ratios (ORs) (95% CI) for COPD were 0.84 (0.63~1.11), 0.76 (0.56~1.02), 0.84 (0.62~1.13), respectively. A negative relationship was observed between the ln-transformed serum Klotho and occurrence of COPD (nonlinear: p = 0.140). the association between ln-transformed serum Klotho and COPD were stable in stratified analyses. Conclusion Serum Klotho was negatively associated with the incidence of COPD, when ln-transformed Klotho concentration increased by 1 unit, the risk of COPD was 29% lower.
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Affiliation(s)
- Yushan Shi
- Department of Laboratory Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, 25000, People’s Republic of China
| | - Zhangmeng Xu
- School of Health Preservation and Rehabilitation, Chengdu University of Traditional Chinese Medicine, Chengdu, Sichuan, 610075, People’s Republic of China
| | - Shuangshuang Pu
- Department of Laboratory Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, 25000, People’s Republic of China
| | - Kanghong Xu
- Department of Laboratory Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, 25000, People’s Republic of China
| | - Yanan Wang
- Department of Laboratory Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, 25000, People’s Republic of China
| | - Chunlai Zhang
- Department of Laboratory Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, Shandong, 25000, People’s Republic of China
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12
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Blankenship S, Landis AR, Harrison Williams E, Peabody Lever JE, Garcia B, Solomon G, Krick S. What the future holds: cystic fibrosis and aging. Front Med (Lausanne) 2024; 10:1340388. [PMID: 38264036 PMCID: PMC10804849 DOI: 10.3389/fmed.2023.1340388] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Accepted: 12/13/2023] [Indexed: 01/25/2024] Open
Abstract
Cystic fibrosis (CF) is one of the most common genetic diseases with around 70,000 affected patients worldwide. CF is a multisystem disease caused by a mutation in the CF transmembrane conductance regulator gene, which has led to a significant decrease in life expectancy and a marked impairment in the quality of life for people with CF (pwCF). In recent years, the use of highly effective CFTR modulator therapy (HEMT) has led to improved pulmonary function, fewer CF exacerbations, lower symptom burden, and increased weight. This has coincided with an increased life expectancy for pwCF, with mean age of survival being now in the 50s. This being a major breakthrough, which the CF population has hoped for, pwCF are now facing new challenges by growing old with a chronic respiratory disease. In this mini review, we are attempting to summarize the current knowledge of the aging process and its effect on CF disease and its manifestations including new developments, the current research gaps and potential future developments in the field to allow healthy aging for the CF community.
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Affiliation(s)
- Sydney Blankenship
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States
| | - Aaron R. Landis
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States
| | - Emily Harrison Williams
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States
| | - Jacelyn E. Peabody Lever
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States
| | - Bryan Garcia
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States
| | - George Solomon
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States
| | - Stefanie Krick
- Division of Pulmonary, Allergy, and Critical Care Medicine, Department of Medicine, The University of Alabama at Birmingham, Birmingham, AL, United States
- Gregory Fleming James Cystic Fibrosis Research Center, The University of Alabama at Birmingham, Birmingham, AL, United States
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13
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Xia J, Hu C, Wang L, Zhang Y. Association between statin use on delirium and 30-day mortality in patients with chronic obstructive pulmonary disease in the intensive care unit. Eur J Med Res 2023; 28:572. [PMID: 38062497 PMCID: PMC10704755 DOI: 10.1186/s40001-023-01551-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2023] [Accepted: 11/24/2023] [Indexed: 12/18/2023] Open
Abstract
BACKGROUND Delirium occurs frequently in patients with chronic obstructive pulmonary disease in the intensive care unit. Effective prevention and treatment strategies for delirium remain limited. We aimed to assess delirium and 30-day mortality in patients with chronic obstructive pulmonary disease who were statin and non-statin users. METHODS In this retrospective study, patients with chronic obstructive pulmonary disease were identified from the Medical Information Mart for Intensive Care database (MIMIC-IV). The primary exposure variable was the use of statins 3 days after entering the intensive care unit and the primary outcome measure was the presence of delirium. The secondary outcome measure was 30-day mortality. Since the cohort study was retrospective, we used an inverse probability weighting derived from the propensity score matching to balance different variables. RESULTS Among a cohort of 2725 patients, 1484 (54.5%) were statin users. Before propensity score matching, the prevalence of delirium was 16% and the 30-day mortality was 18% in patients with chronic obstructive pulmonary disease. Statin use was significantly negatively correlated with delirium, with an odds ratio of 0.69 (95% CI 0.56-0.85, p < 0.001) in the inverse probability weighted cohort and 30-day mortality of 0.7 (95% CI 0.57-0.85, p < 0.001). CONCLUSIONS Statin use is associated with a lower incidence of delirium and 30-day mortality in patients with chronic obstructive pulmonary disease in the intensive care unit.
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Affiliation(s)
- Jiangling Xia
- Department of Anesthesiology, Zibo Central Hospital, No. 54 Gongqingtuan Road, Zibo, Shandong, China
| | - Chunhuan Hu
- Department of Anesthesiology, The Second Affiliated Hospital of Mudanjiang Medical College, Mudanjiang, Heilongjiang, China
| | - Leilei Wang
- School of Architecture and Engineering, Zibo Vocational Institute, Zibo, Shandong, China
| | - Yuzhu Zhang
- Department of Anesthesiology, Zibo Central Hospital, No. 54 Gongqingtuan Road, Zibo, Shandong, China.
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14
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Noto S. Perspectives on Aging and Quality of Life. Healthcare (Basel) 2023; 11:2131. [PMID: 37570372 PMCID: PMC10418952 DOI: 10.3390/healthcare11152131] [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: 04/28/2023] [Revised: 06/27/2023] [Accepted: 07/25/2023] [Indexed: 08/13/2023] Open
Abstract
The aging of the world's population and the health problems accompanying it are becoming increasingly severe. Healthcare policies in developed countries focus on how to prevent and treat diseases associated with aging and how to maintain quality of life. Typical age-related diseases include deafness, cataracts, osteoarthritis, chronic obstructive pulmonary disease, diabetes mellitus, and dementia. Although the mechanisms by which these diseases develop differ, they are all caused by the accumulation of molecular and cellular damage over time. In addition, age-related diseases can cause a decline in physical and mental functions and the ability to perform activities of daily living, as well as the loss of roles in society and a sense of fulfillment in life. Therefore, there is a need for treatment and measures to accurately grasp and maintain quality of life. This review aims to introduce areas and representative papers expected to be contributed to the special issue of "Aging and Quality of Life".
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Affiliation(s)
- Shinichi Noto
- Department of Rehabilitation, Niigata University of Health and Welfare, Niigata 9503198, Japan
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Upadhyay P, Wu CW, Pham A, Zeki AA, Royer CM, Kodavanti UP, Takeuchi M, Bayram H, Pinkerton KE. Animal models and mechanisms of tobacco smoke-induced chronic obstructive pulmonary disease (COPD). JOURNAL OF TOXICOLOGY AND ENVIRONMENTAL HEALTH. PART B, CRITICAL REVIEWS 2023; 26:275-305. [PMID: 37183431 PMCID: PMC10718174 DOI: 10.1080/10937404.2023.2208886] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) is the third leading cause of death worldwide, and its global health burden is increasing. COPD is characterized by emphysema, mucus hypersecretion, and persistent lung inflammation, and clinically by chronic airflow obstruction and symptoms of dyspnea, cough, and fatigue in patients. A cluster of pathologies including chronic bronchitis, emphysema, asthma, and cardiovascular disease in the form of hypertension and atherosclerosis variably coexist in COPD patients. Underlying causes for COPD include primarily tobacco use but may also be driven by exposure to air pollutants, biomass burning, and workplace related fumes and chemicals. While no single animal model might mimic all features of human COPD, a wide variety of published models have collectively helped to improve our understanding of disease processes involved in the genesis and persistence of COPD. In this review, the pathogenesis and associated risk factors of COPD are examined in different mammalian models of the disease. Each animal model included in this review is exclusively created by tobacco smoke (TS) exposure. As animal models continue to aid in defining the pathobiological mechanisms of and possible novel therapeutic interventions for COPD, the advantages and disadvantages of each animal model are discussed.
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Affiliation(s)
- Priya Upadhyay
- Center for Health and the Environment, University of California, Davis, Davis, CA 95616 USA
| | - Ching-Wen Wu
- Center for Health and the Environment, University of California, Davis, Davis, CA 95616 USA
| | - Alexa Pham
- Center for Health and the Environment, University of California, Davis, Davis, CA 95616 USA
| | - Amir A. Zeki
- Department of Internal Medicine; Division of Pulmonary, Critical Care, and Sleep Medicine, Center for Comparative Respiratory Biology and Medicine, School of Medicine; University of California, Davis, School of Medicine; U.C. Davis Lung Center; Davis, CA USA
| | - Christopher M. Royer
- California National Primate Research Center, University of California, Davis, Davis, CA 95616 USA
| | - Urmila P. Kodavanti
- Public Health and Integrated Toxicology Division, Center for Public Health and Environmental Assessment, Office of Research and Development, U.S. Environmental Protection Agency, Research Triangle Park, NC 27711, USA
| | - Minoru Takeuchi
- Department of Animal Medical Science, Kyoto Sangyo University, Kyoto, Japan
| | - Hasan Bayram
- Koc University Research Center for Translational Medicine (KUTTAM), School of Medicine, Istanbul, Turkey
| | - Kent E. Pinkerton
- Center for Health and the Environment, University of California, Davis, Davis, CA 95616 USA
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Wang WJ, Peng K, Lu X, Zhu YY, Li Z, Qian QH, Yao YX, Fu L, Wang Y, Huang YC, Zhao H, Wang H, Xu DX, Tan ZX. Long-term cadmium exposure induces chronic obstructive pulmonary disease-like lung lesions in a mouse model. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 879:163073. [PMID: 36965727 DOI: 10.1016/j.scitotenv.2023.163073] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Revised: 03/21/2023] [Accepted: 03/22/2023] [Indexed: 05/17/2023]
Abstract
Accumulating evidences demonstrate that long-term exposure to atmospheric fine particles and air pollutants elevates the risk of chronic obstructive pulmonary disease (COPD). Cadmium (Cd) is one of the important toxic substances in atmospheric fine particles and air pollutants. In this study, we aimed to establish a mouse model to evaluate whether respiratory Cd exposure induces COPD-like lung injury. Adult male C57BL/6 mice were exposed to CdCl2 (10 mg/L, 4 h per day) by inhaling aerosol for either 10 weeks (short-term) or 6 months (long-term). The mean serum Cd concentration was 6.26 μg/L in Cd-exposed mice. Lung weight and coefficient were elevated in long-term Cd-exposed mice. Pathological scores and alveolar destructive indices were increased in long-term Cd-exposed mouse lungs. Mean linear intercept and airway wall thickness were accordingly elevated in Cd-exposed mice. Inflammatory cell infiltration was obvious and inflammatory cytokines, including TNF-α, IL-1β, IL-6, IL-8, IL-10 and TGF-β, were up-regulated in Cd-exposed mouse lungs. α-SMA, N-cadherin and vimentin, epithelial-mesenchymal transition markers, and extracellular matrix collagen deposition around small airway, determined by Masson's trichrome staining, were shown in Cd-exposed mouse lungs. COPD-characteristic lung function decline was observed in long-term Cd-exposed mice. These outcomes show that long-term respiratory exposure to Cd induces COPD-like lung lesions for the first time.
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Affiliation(s)
- Wen-Jing Wang
- The Second Affiliated Hospital, Anhui Medical University, Hefei, China
| | - Kun Peng
- The Second Affiliated Hospital, Anhui Medical University, Hefei, China
| | - Xue Lu
- Department of Toxicology, Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Yan-Yan Zhu
- Department of Toxicology, Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Zhao Li
- The Second Affiliated Hospital, Anhui Medical University, Hefei, China
| | - Qing-Hua Qian
- Department of Toxicology, Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Ya-Xin Yao
- The Second Affiliated Hospital, Anhui Medical University, Hefei, China
| | - Lin Fu
- The Second Affiliated Hospital, Anhui Medical University, Hefei, China
| | - Yan Wang
- Department of Toxicology, Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Yi-Chao Huang
- Department of Toxicology, Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Hui Zhao
- The Second Affiliated Hospital, Anhui Medical University, Hefei, China
| | - Hua Wang
- Department of Toxicology, Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - De-Xiang Xu
- Department of Toxicology, Key Laboratory of Environmental Toxicology of Anhui Higher Education Institutes, Anhui Medical University, Hefei 230032, China
| | - Zhu-Xia Tan
- The Second Affiliated Hospital, Anhui Medical University, Hefei, China.
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Wei Y, Lu X, Liu C. Gut microbiota and chronic obstructive pulmonary disease: a Mendelian randomization study. Front Microbiol 2023; 14:1196751. [PMID: 37405157 PMCID: PMC10315658 DOI: 10.3389/fmicb.2023.1196751] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2023] [Accepted: 05/19/2023] [Indexed: 07/06/2023] Open
Abstract
Background A growing number of studies implies a strong association between gut microbiota and chronic obstructive pulmonary disease (COPD). However, the causal impact between gut microbiota and COPD remains unclear. As a result, we used a two-sample Mendelian randomization (MR) method to investigate the connection between gut microbiota and COPD in this study. Methods The largest available genome-wide association study (GWAS) of gut microbiota was obtained from the MiBioGen consortium. Summary-level dataset for COPD were obtained from the FinnGen consortium. The main analysis method for determining the causal link between gut microbiota and COPD was inverse variance weighted (IVW). Subsequently, pleiotropy and heterogeneity tests were performed to determine the reliability of the results. Results IVW method identified 9 bacterial taxa nominally associated with the risk of COPD. Class Actinobacteria (p = 0.020), genus Allisonella (p = 0.024), genus Coprococcus2 (p = 0.002) and genus Oscillospira (p = 0.018) were protective against COPD. In addition, order Desulfovibrionales (p = 0.011), family Desulfovibrionaceae (p = 0.039), family Peptococcaceae (p = 0.020), family Victivallaceae (p = 0.012) and genus Marvinbryantia (p = 0.017) were associated with a higher risk of COPD. No pleiotropy or heterogeneity were found. Conclusion According to the findings of this MR analysis, a causal relationship exists between certain gut microbiota and COPD. New insights into the mechanisms of COPD mediated by gut microbiota are provided.
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Affiliation(s)
- Yi Wei
- Department of Chinese Medicine, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Xuechao Lu
- Department of Respiratory and Critical Care Medicine, Qingdao Traditional Chinese Medicine Hospital (Qingdao Hiser Hospital), Qingdao, China
| | - Chao Liu
- Department of Medical Imaging, Qingdao Traditional Chinese Medicine Hospital (Qingdao Hiser Hospital), Qingdao, China
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18
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Chen P, Li Y, Wu D, Liu F, Cao C. Secondhand Smoke Exposure and the Risk of Chronic Obstructive Pulmonary Disease: A Systematic Review and Meta-Analysis. Int J Chron Obstruct Pulmon Dis 2023; 18:1067-1076. [PMID: 37309392 PMCID: PMC10257914 DOI: 10.2147/copd.s403158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Accepted: 05/13/2023] [Indexed: 06/14/2023] Open
Abstract
Background Many studies have shown that active smoking leads to an increasing incidence of chronic obstructive pulmonary disease (COPD). However, studies interested in the effects of secondhand smoke exposure (SHS exposure) on COPD were less or underappreciated. Methods A systematic review and meta-analysis was conducted to investigate the association between SHS exposure and the risk of COPD. Three databases (PubMed, Embase and Web of Science) were searched to obtain data. After assessing the study quality, stratified analyses were performed according to the region, gender, and duration of exposure. Cochran's Q and I2 were utilized for heterogeneity assessment. To assess publication bias, we used a funnel plot and Egger's test. Results A total of 15 studies (6 cross-sectional studies, 6 case-control studies, and 3 cohort studies) with 25,592 participants were involved in this meta-analysis. This study showed that SHS exposure was associated with an increased risk of COPD (odds ratio (OR): 2.25, 95% CI: 1.40-3.62, I2 = 98%, p < 0.01 for heterogeneity based on a random-effects analysis model), especially in those with a longer time exposure of more than 5 years was 4.38 (95% CI: 1.28-15.00, I2 = 89%, p < 0.01 for heterogeneity based on a random-effects analysis model). In addition, SHS exposure also increases the risk of COPD in women (odds ratio (OR): 2.02, 95% CI: 1.52-2.67, I2 = 0%, p = 0.89 for heterogeneity based on a random-effects analysis model). Conclusion The findings suggest that SHS exposure is associated with the risk of COPD, especially for individuals with a long time exposed. Trial Registry Prospero CRD42022329421.
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Affiliation(s)
- Peixv Chen
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Respiratory Disease of Ningbo, First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315000, People’s Republic of China
- Medical College of Ningbo University, Ningbo, Zhejiang, 315000, People’s Republic of China
| | - Yiting Li
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Respiratory Disease of Ningbo, First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315000, People’s Republic of China
- Medical College of Ningbo University, Ningbo, Zhejiang, 315000, People’s Republic of China
| | - Di Wu
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Respiratory Disease of Ningbo, First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315000, People’s Republic of China
- Medical College of Ningbo University, Ningbo, Zhejiang, 315000, People’s Republic of China
| | - Fang Liu
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Respiratory Disease of Ningbo, First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315000, People’s Republic of China
| | - Chao Cao
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Respiratory Disease of Ningbo, First Affiliated Hospital of Ningbo University, Ningbo, Zhejiang, 315000, People’s Republic of China
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Li J, Huang Y, Sun H, Yang L. Mechanism of mesenchymal stem cells and exosomes in the treatment of age-related diseases. Front Immunol 2023; 14:1181308. [PMID: 37275920 PMCID: PMC10232739 DOI: 10.3389/fimmu.2023.1181308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Accepted: 05/08/2023] [Indexed: 06/07/2023] Open
Abstract
Mesenchymal stem cells (MSCs) from multiple tissues have the capability of multidirectional differentiation and self-renewal. Many reports indicated that MSCs exert curative effects on a variety of age-related diseases through regeneration and repair of aging cells and organs. However, as research has progressed, it has become clear that it is the MSCs derived exosomes (MSC-Exos) that may have a real role to play, and that they can be modified to achieve better therapeutic results, making them even more advantageous than MSCs for treating disease. This review generalizes the biological characteristics of MSCs and exosomes and their mechanisms in treating age-related diseases, for example, MSCs and their exosomes can treat age-related diseases through mechanisms such as oxidative stress (OS), Wnt/β-catenin signaling pathway, mitogen-activated protein kinases (MAPK) signaling pathway, and so on. In addition, current in vivo and in vitro trials are described, and ongoing clinical trials are discussed, as well as the prospects and challenges for the future use of exosomes in disease treatment. This review will provide references for using exosomes to treat age-related diseases.
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Affiliation(s)
- Jia Li
- Departments of Geriatrics, The First Hospital of China Medical University, Shenyang, China
| | - Yuling Huang
- Departments of Geriatrics, The First Hospital of China Medical University, Shenyang, China
| | - Haiyan Sun
- Department of Endodontics, School of Stomatology, China Medical University, Shenyang, China
| | - Lina Yang
- Departments of Geriatrics, The First Hospital of China Medical University, Shenyang, China
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Levi N, Papismadov N, Majewska J, Roitman L, Wigoda N, Eilam R, Tsoory M, Rotkopf R, Ovadya Y, Akiva H, Regev O, Krizhanovsky V. p21 facilitates chronic lung inflammation via epithelial and endothelial cells. Aging (Albany NY) 2023; 15:2395-2417. [PMID: 36996500 PMCID: PMC10120903 DOI: 10.18632/aging.204622] [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: 11/08/2022] [Accepted: 03/17/2023] [Indexed: 04/01/2023]
Abstract
Cellular senescence is a stable state of cell cycle arrest that regulates tissue integrity and protects the organism from tumorigenesis. However, the accumulation of senescent cells during aging contributes to age-related pathologies. One such pathology is chronic lung inflammation. p21 (CDKN1A) regulates cellular senescence via inhibition of cyclin-dependent kinases (CDKs). However, its role in chronic lung inflammation and functional impact on chronic lung disease, where senescent cells accumulate, is less understood. To elucidate the role of p21 in chronic lung inflammation, we subjected p21 knockout (p21-/-) mice to repetitive inhalations of lipopolysaccharide (LPS), an exposure that leads to chronic bronchitis and accumulation of senescent cells. p21 knockout led to a reduced presence of senescent cells, alleviated the pathological manifestations of chronic lung inflammation, and improved the fitness of the mice. The expression profiling of the lung cells revealed that resident epithelial and endothelial cells, but not immune cells, play a significant role in mediating the p21-dependent inflammatory response following chronic LPS exposure. Our results implicate p21 as a critical regulator of chronic bronchitis and a driver of chronic airway inflammation and lung destruction.
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Affiliation(s)
- Naama Levi
- Department of Molecular Cell Biology, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Nurit Papismadov
- Department of Molecular Cell Biology, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Julia Majewska
- Department of Molecular Cell Biology, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Lior Roitman
- Department of Molecular Cell Biology, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Noa Wigoda
- Department of Life Sciences Core Facilities, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Raya Eilam
- Department of Veterinary Resources, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Michael Tsoory
- Department of Veterinary Resources, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Ron Rotkopf
- Department of Life Sciences Core Facilities, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Yossi Ovadya
- Department of Molecular Cell Biology, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Hagay Akiva
- Department of Molecular Cell Biology, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Ofer Regev
- Department of Immunology, The Weizmann Institute of Science, Rehovot 7610001, Israel
| | - Valery Krizhanovsky
- Department of Molecular Cell Biology, The Weizmann Institute of Science, Rehovot 7610001, Israel
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Fradelos EC, Lampropoulos IC, Raptis DG, Mantzaris D, Papathanasiou IV, Daniil Z, Gourgoulianis KI, Malli F. Efficiency of an Online Intervention in the Knowledge Concerning COPD in Nursing Students. TANAFFOS 2023; 22:290-297. [PMID: 38638391 PMCID: PMC11022201] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 04/03/2022] [Accepted: 01/20/2023] [Indexed: 04/20/2024]
Abstract
Background Chronic obstructive pulmonary disease (COPD) is a progressive and debilitating respiratory disorder. Nurses play a major role in managing the disease. This study aimed to test the effect of a brief online intervention in increasing the knowledge of COPD in a sample of nursing students in Greece. Materials and Methods The intervention entailed a combination of two ½ hour lectures focusing on the treatment and care of patients with COPD according to existing guidelines. Data were collected with a structured questionnaire specially designed for this study including questions regarding information on sociodemographic characteristics of the participants, and the Bristol COPD Knowledge Questionnaire (BCKQ) which is designed to assess the knowledge of 13 COPD-specific topics. The questionnaire was distributed three times and the one-way ANOVA test of repeated measures was applied to investigate the effect of the educational intervention by examining the periods before, immediately after, and one month after the intervention. Results 125 nursing students participated in this study of which 13.6% were men (n=17) and 86.4% were women. According to the results of the repeated measures ANOVA test, there was a statistically significant improvement in gained knowledge about COPD. Conclusions Short educational interventions can be effective in acquiring and cultivating nursing students concerning COPD. These short online tutorials seem to be cost-effective as they can be organized easily and with minimal financial resources.
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Affiliation(s)
| | - Ioannis C. Lampropoulos
- Department of Respiratory Medicine, University of Thessaly, School of Medicine, Larissa, Greece
| | - Dimitrios G. Raptis
- Department of Respiratory Medicine, University of Thessaly, School of Medicine, Larissa, Greece
| | | | | | - Zoe Daniil
- Department of Respiratory Medicine, University of Thessaly, School of Medicine, Larissa, Greece
| | | | - Foteini Malli
- Department of Respiratory Medicine, University of Thessaly, School of Medicine, Larissa, Greece
- Respiratory disorders Lab, Faculty of Nursing, University of Thessaly, Greece
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22
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Transcriptomics and metabolomics revealed the pulmonary protective mechanism of Xixin-Ganjiang Herb Pair for warming the lungs to dissolve phlegm in COPD rats. J Chromatogr B Analyt Technol Biomed Life Sci 2023; 1224:123665. [DOI: 10.1016/j.jchromb.2023.123665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Revised: 02/28/2023] [Accepted: 03/05/2023] [Indexed: 03/16/2023]
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Li S, Huang Q, He B. SIRT1 as a Potential Therapeutic Target for Chronic Obstructive Pulmonary Disease. Lung 2023; 201:201-215. [PMID: 36790647 DOI: 10.1007/s00408-023-00607-9] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2022] [Accepted: 02/04/2023] [Indexed: 02/16/2023]
Abstract
Chronic obstructive pulmonary disease (COPD) is a common, preventable, and treatable disease characterized by irreversible airflow obstruction and lung function decline. It is well established that COPD represents a major cause of morbidity and mortality globally. Due to the substantial economic and social burdens associated with COPD, it is necessary to discover new targets and develop novel beneficial therapies. Although the pathogenesis of COPD is complex and remains to be robustly elucidated, numerous studies have shown that oxidative stress, inflammatory responses, cell apoptosis, autophagy, and aging are involved in the pathogenesis of COPD. Sirtuin 1 (SIRT1) is a nicotinamide adenine dinucleotide (NAD+)-dependent deacetylase belonging to the silent information regulator 2 (Sir2) family. Multiple studies have indicated that SIRT1 plays an important role in oxidative stress, apoptosis, inflammation, autophagy, and cellular senescence, which contributes to the pathogenesis and development of COPD. This review aimed to discuss the functions and mechanisms of SIRT1 in the progression of COPD and concluded that SIRT1 activation might be a potential therapeutic strategy for COPD.
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Affiliation(s)
- Siqi Li
- Department of Geriatric Respiratory and Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,Department of Geriatric Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Qiong Huang
- Department of Geriatric Respiratory and Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,Department of Geriatric Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China.,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China
| | - Baimei He
- Department of Geriatric Respiratory and Critical Care Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China. .,Department of Geriatric Medicine, Xiangya Hospital, Central South University, Changsha, 410008, China. .,National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, 410008, China.
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24
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Ling M, Huiyin L, Shanglin C, Haiming L, Zhanyi D, Shuchun W, Meng B, Murong L. Relationship between human serum albumin and in-hospital mortality in critical care patients with chronic obstructive pulmonary disease. Front Med (Lausanne) 2023; 10:1109910. [PMID: 37181348 PMCID: PMC10174316 DOI: 10.3389/fmed.2023.1109910] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 04/06/2023] [Indexed: 05/16/2023] Open
Abstract
Background The relationship between human serum albumin levels and the prognosis of critical care patients with chronic obstructive pulmonary disease (COPD) remains controversial. Objective To investigate the relationship between serum albumin levels and in-hospital mortality in critical care patients with COPD. METHODS: This study used a retrospective observational cohort from the Medical Information in Intensive Care database (MIMIC-IV) in the United States. Multivariate Cox regression analysis was used to assess the relationship between serum albumin levels and in-hospital mortality. A restricted cubic spline line was also used to explore nonlinear relationship. Results A total of 3,398 critical care patients with COPD were included. The overall in-hospital mortality was 12.4%. We found a negative relationship between human serum albumin and in-hospital mortality (HR = 0.97, 95% CI 0.96-0.99, p = 0.002). Conclusion In critical care patients with COPD, there was a negative association between human serum albumin and in-hospital mortality.
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Affiliation(s)
- Ma Ling
- Department of Respiratory, Zhumadian Central Hospital, Zhumadian, China
| | - Li Huiyin
- Department of Critical Care, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Chen Shanglin
- Department of Laboratory, The Fifth People’s Hospital of Panyu District, Guangzhou, China
| | - Li Haiming
- Department of Respiratory, Zhumadian Central Hospital, Zhumadian, China
| | - Di Zhanyi
- Department of Respiratory, Zhumadian Central Hospital, Zhumadian, China
| | - Wang Shuchun
- Department of Respiratory, Zhumadian Central Hospital, Zhumadian, China
| | - Bai Meng
- Department of Computer Center, Fujian Provincial Maternity Hospital, Fuzhou, Fujian, China
- *Correspondence: Bai Meng,
| | - Lu Murong
- Department of Critical Care, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Lu Murong,
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25
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Czerwaty K, Dżaman K, Sobczyk KM, Sikorska KI. The Overlap Syndrome of Obstructive Sleep Apnea and Chronic Obstructive Pulmonary Disease: A Systematic Review. Biomedicines 2022; 11:biomedicines11010016. [PMID: 36672523 PMCID: PMC9856172 DOI: 10.3390/biomedicines11010016] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/08/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) and obstructive sleep apnea (OSA) are common diseases that strongly impact the quality and length of life. Their coexistence is determined by overlap syndrome (OS). This systematic review aims to define the significance of these comorbidities according to the current state of knowledge. For this systematic review, we searched PubMed, Scopus, and Cochrane for studies published between 2018 and 26 October 2022, to find original, observational, human studies published in English, where the diagnosis of COPD was according to the Global Initiative for Obstructive Lung Disease guidelines and the diagnosis of OSA was based on polysomnography. The quality of studies was assessed using the Newcastle-Ottawa quality assessment tool for cohort and case-control studies, as well as its modification for cross-sectional studies. Of the 1548 records identified, 38 were eligible and included in this systematic review. The included studies covered a total population of 27,064 participants. This paper summarizes the most important, up-to-date information regarding OS, including the prevalence, meaning of age/gender/body mass index, polysomnography findings, pulmonary function, comorbidities, predicting OSA among COPD patients, and treatment of this syndrome.
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Zeng XL, Yang XN, Liu XJ. Resveratrol attenuates cigarette smoke extract induced cellular senescence in human airway epithelial cells by regulating the miR-34a/SIRT1/NF-κB pathway. Medicine (Baltimore) 2022; 101:e31944. [PMID: 36401446 PMCID: PMC9678562 DOI: 10.1097/md.0000000000031944] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is characterized by accelerated lung aging. Smoking is the critical risk factor for COPD. Cellular senescence of airway epithelial cells is the cytological basis of accelerated lung aging in COPD, and the regulation of microRNAs (miRNAs) is the central epigenetic mechanism of cellular senescence. Resveratrol (Res) is a polyphenol with anti-aging properties. This study investigated whether Res attenuates cigarette smoke extract (CSE)-induced cellular senescence in human airway epithelial cells (BEAS-2B) through the miR-34a/SIRT1/nuclear factor-kappaB (NF-κB) pathway. BEAS-2B cells were treated with Res, CSE and transfected with miR-34a-5p mimics. Cellular senescence was evaluated by senescence -related β-galactosidase (SA-β-gal) staining and expression of senescence-related genes (p16, p21, and p53). The expressions of miR-34a-5p, SIRT1, and NF-κB p65 were examined using quantitative real time polymerase chain reaction and western blotting. The senescence-associated secretory phenotype (SASP) cytokines (IL-1β, IL-6, IL-8, TNF-α) were assessed by enzyme-linked immunosorbent assay. The binding between miR-34a-5p and SIRT1 was confirmed by dual-luciferase reporter assay. The results showed that CSE dose-dependently decreased cell viability and elevated cellular senescence, characterized by increased SA-β-gal staining and senescence-related gene expressions (p16, p21, and p53). Further, CSE dose-dependently increased the expression of miR-34a-5p and SASP cytokines (IL-1β, IL-6, IL-8, TNF-α) in BEAS-2B cells. Pretreatment with Res inhibited CSE-induced cellular senescence and secretion of SASP cytokines (IL-1β, IL-6, IL-8, TNF-α) in a dose-dependent manner. Moreover, Res reversed the CSE-induced down-regulation of SIRT1 and up-regulation of miR-34a-5p and NF-κB p65. SIRT1 is a target of miR-34a-5p. Overexpression of miR-34a-5p via transfection with miR-34a-5p mimic in BEAS-2B cells attenuated the inhibitory effect of Res on cellular senescence, accompanied by reversing the expression of SIRT1 and NF-κB p65. In conclusion, Res attenuated CSE-induced cellular senescence in BEAS-2B cells by regulating the miR-34a/SIRT1/NF-κB pathway, which may provide a new approach for COPD treatment.
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Affiliation(s)
- Xiao-li Zeng
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
- Department of Gerontal Respiratory Medicine, The First Hospital of Lanzhou University, Lanzhou, China
| | - Xin-na Yang
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
- Department of Gerontal Respiratory Medicine, The First Hospital of Lanzhou University, Lanzhou, China
| | - Xiao-ju Liu
- The First School of Clinical Medicine, Lanzhou University, Lanzhou, China
- Department of Gerontal Respiratory Medicine, The First Hospital of Lanzhou University, Lanzhou, China
- *Correspondence: Xiao-ju Liu, The First School of Clinical Medicine, Lanzhou University, Lanzhou, ChinaDepartment of Gerontal Respiratory Medicine, The First Hospital of Lanzhou University, Lanzhou 730000, China (e-mail: )
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27
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Fang L, Zhang M, Li J, Zhou L, Tamm M, Roth M. Airway Smooth Muscle Cell Mitochondria Damage and Mitophagy in COPD via ERK1/2 MAPK. Int J Mol Sci 2022; 23:ijms232213987. [PMID: 36430467 PMCID: PMC9694999 DOI: 10.3390/ijms232213987] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2022] [Revised: 11/07/2022] [Accepted: 11/09/2022] [Indexed: 11/16/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is characterized by irreversible deterioration of the airway wall. Cigarette smoking is the major trigger, and in vitro studies showed that cigarette smoke extract (CSE) induced mitophagy in airway epithelial cells via oxidative stress, but this mechanism was not studied in airway smooth muscle cells (ASMCs). Primary ASMCs isolated from COPD patients or non-disease donors were investigated for CSE-induced remodeling and mitochondria structure. Proteins were assessed by Western blots for remodeling: collagen type-I, α-smooth muscle actin (α-SMA) and fibronectin; autophagy: beclin-1, protein62 (p62), light chain (LC)3A/B; mitochondria activity: mitochondrially encoded cytochrome c oxidase II & -IV (MTCO2, MTCO4), peroxisome proliferator activated receptor gamma coactivator 1α (PGC-1α); lysosomes: early endosome antigen 1, lysosome activated membrane protein 1; and cell signaling: extracellular signal regulated kinase (ERK1/2). Lysotracker and Mitotracker were used to monitor mitochondria morphology and organelle co-localization. Compared with controls, untreated COPD ASMCs showed lower collagen type-I and α-SMA expressions, but increased fibronectin levels. CSE further downregulated collagen type-I and α-SMA expression, but upregulated fibronectin. CSE decreased PGC-1α, MTCO2, and MTCO4, but increased beclin-1, p62, and LC3. CSE upregulated mitophagy and lysosomes activity via ERK1/2 phosphorylation. In vitro, cigarette smoke induced the deterioration of ASMCs, which might explain the tissue loss and structural remodeling in COPD bronchi. The results suggest that preventing exceeded mitophagy in ASMCs might present a novel therapeutic target for COPD.
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Affiliation(s)
- Lei Fang
- Pulmonary Cell Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- Clinic of Respiratory Medicine, Department of Internal Medicine, University Hospital Basel, 4031 Basel, Switzerland
| | - Ming Zhang
- Pulmonary Cell Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi’an Jiaotong University, Xi’an 710049, China
| | - Junling Li
- Pulmonary Cell Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- The First Dongguan Affiliated Hospital of Guangdong Medical University, Dongguan 523000, China
| | - Liang Zhou
- Pulmonary Cell Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- Clinic of Respiratory Medicine, Department of Internal Medicine, University Hospital Basel, 4031 Basel, Switzerland
| | - Michael Tamm
- Pulmonary Cell Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- Clinic of Respiratory Medicine, Department of Internal Medicine, University Hospital Basel, 4031 Basel, Switzerland
| | - Michael Roth
- Pulmonary Cell Research, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland
- Clinic of Respiratory Medicine, Department of Internal Medicine, University Hospital Basel, 4031 Basel, Switzerland
- Correspondence:
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Guo Y, Bai J, Zhang X, Jin Q, Liu Y, Yu C. Secular Trends of Mortality and Years of Life Lost Due to Chronic Obstructive Pulmonary Disease in Wuhan, China from 2010 to 2019: Age-Period-Cohort Analysis. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 19:10685. [PMID: 36078400 PMCID: PMC9518558 DOI: 10.3390/ijerph191710685] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/14/2022] [Accepted: 08/22/2022] [Indexed: 06/15/2023]
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) has been an important public health issue in China. This study aimed to analyze the temporal trends in mortality and years of life lost (YLL) from COPD, and explore the effects of age, period, and cohort in Wuhan, China from 2010 to 2019. METHODS Data were collected from the cause of death surveillance system in Wuhan. Age-standardized mortality rate (ASMR), age-standardized YLL rate (ASYR) and the estimated annual percent changes (EAPC) were calculated to evaluate the temporal trends. The age-period-cohort (APC) model was adopted to estimate the age, period, and cohort effects. RESULTS From 2010 to 2019, COPD accounted for 26,051.15 deaths and 394,659.58 person years YLL in Wuhan. Recently, the death burden of COPD in Wuhan has somewhat improved, especially after 2015, with declining trends in ASMR and ASYR. Additionally, the ASMR and ASYR of COPD was higher in males. And these of males showed the overall upward trends, with EAPCs of 1.06 (0.13, 2.00) and 1.21 (0.12, 2.31), respectively, while females showed downward trends since 2010. According to APC model, the age effect of COPD increased with age, and the cohort risk ratios (RRs) followed the overall downward trends. Period RRs for the Wuhan population generally tended to rise and then fall, with females showing a clear downward trend after 2015, while period RRs for males maintained an upward trend throughout the study period. CONCLUSIONS Recently, the death burden from COPD in Wuhan has improved, especially after 2015, with improvements in ASMR, ASYR and period RRs. Sex differences still exist. COPD posed a greater threat to the elderly, especially males. Public health managers should continue to execute more targeted programs to lessen the death burden of COPD in Wuhan.
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Affiliation(s)
- Yan Guo
- Wuhan Center for Disease Control and Prevention, Wuhan 430022, China
| | - Jianjun Bai
- School of Public Health, Wuhan University, Wuhan 430071, China
| | - Xiaoxia Zhang
- Wuhan Center for Disease Control and Prevention, Wuhan 430022, China
| | - Qiman Jin
- Wuhan Center for Disease Control and Prevention, Wuhan 430022, China
| | - Yijun Liu
- Wuhan Center for Disease Control and Prevention, Wuhan 430022, China
| | - Chuanhua Yu
- School of Public Health, Wuhan University, Wuhan 430071, China
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Tacheva T, Zienolddiny-Narui S, Dimov D, Vlaykova D, Miteva I, Vlaykova T. The Leucocyte Telomere Length, GSTM1 and GSTT1 Null Genotypes and the Risk of Chronic Obstructive Pulmonary Disease. Curr Issues Mol Biol 2022; 44:3757-3769. [PMID: 36005153 PMCID: PMC9406937 DOI: 10.3390/cimb44080257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 08/15/2022] [Accepted: 08/17/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Chronic obstructive pulmonary disease (COPD) is characterized by chronic inflammation and oxidative stress, both in the airways and blood, and in other organs. Elevated oxidative stress and inflammation have been reported to affect leucocyte telomere length (LTL). We explored the link between GSTM1 and GSTT1 gene polymorphisms, LTL and COPD risk. For GSTM1 and GSTT1, we genotyped 152 COPD patients and 131 non-affected controls, while for TL, we assessed 91 patients and 88 controls. There was a significant difference in GSTM1 null genotype frequency between the patients and controls (0.59 vs. 0.38, p ≤ 0.000), but such was not found for GSTT1 (p = 0.192). COPD patients carrying the GSTM1 null genotype had shorter telomeres compared to those carrying the non-null genotype (15,720 bp vs. 22,442 bp, p = 0.008); and in controls, the opposite occurred (31,354 bp vs. 17,800 bp, p = 0.020). According to our results GSTM1, but not GSTT1, null genotypes might play role in leucocyte telomere shortening, and thus be involved in the pathogenesis of COPD. Abstract Chronic obstructive pulmonary disease (COPD) is characterized by chronic inflammation and oxidative stress both in the airways and blood and other organs. Elevated oxidative stress and inflammation have been reported to affect leucocyte telomere length (LTL). Glutathione S-transferase (GST) enzymes are a large family of xenobiotic-metabolizing enzymes that utilize different ROS products. We aimed to explore the link between GSTM1 and GSTT1 gene polymorphisms, LTL and COPD risk. For GSTM1, we genotyped 152 COPD patients and 131 non-affected controls; for GSTT1, we genotyped 149 COPD patients and 130 controls. We were able to assess TL for 91 patients and 88 controls. There was a significant difference in the GSTM1 null genotype frequency between the patients and controls (0.59 vs. 0.38, p ≤ 0.000), but such was not found for GSTT1 (p = 0.192). When combining both polymorphisms, we obtained a significantly greater presence of at least one null genotype among patients (0.12 vs. 0.05, p = 0.027). An association between GSTT1 and LTL was not found. COPD patients carrying the GSTM1 null genotype had shorter telomeres compared to those carrying the non-null genotype (15,720 bp vs. 22,442 bp, p = 0.008); as for the controls, it was the opposite (31,354 bp vs. 17,800 bp, p = 0.020). The significance in both groups remained when combining GSTM1 and GSTT1 (COPD (at least one null) 16,409 bp vs. COPD (non-null) 22,092 bp, p = 0.029; control (at least one null) 29,666 bp vs. control (non-null) 16,370 bp, p = 0.027). The total glutathione level in GSTM1 non-null controls was higher compared to the null genotype (15.39 ng/mL vs. 5.53 ng/mL, p = 0.002). In COPD patients, we found no association (p = 0.301). In conclusion, according to our results, GSTM1, but not GSTT1, null genotypes might play a role in leucocyte telomere shortening, and thus be involved in the pathogenesis of COPD.
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Affiliation(s)
- Tanya Tacheva
- Department of Medical Chemistry and Biochemistry, Medical Faculty, Trakia University, 6000 Stara Zagora, Bulgaria
| | - Shanbeh Zienolddiny-Narui
- Section for Toxicology and Biological Work Environment, National Institute of Occupational Health, NO-036 Oslo, Norway
| | - Dimo Dimov
- Department of Medical Chemistry and Biochemistry, Medical Faculty, Trakia University, 6000 Stara Zagora, Bulgaria
| | - Denitsa Vlaykova
- Department of Medical Chemistry and Biochemistry, Medical Faculty, Trakia University, 6000 Stara Zagora, Bulgaria
| | - Iva Miteva
- Department of Occupational Medicine, Faculty of Public Health, Medical University-Sofia, 1431 Sofia, Bulgaria
| | - Tatyana Vlaykova
- Department of Medical Chemistry and Biochemistry, Medical Faculty, Trakia University, 6000 Stara Zagora, Bulgaria
- Department of Medical Biochemistry, Medical University-Plovdiv, 4002 Plovdiv, Bulgaria
- Correspondence:
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New Trends in Aging Drug Discovery. Biomedicines 2022; 10:biomedicines10082006. [PMID: 36009552 PMCID: PMC9405986 DOI: 10.3390/biomedicines10082006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2022] [Revised: 08/13/2022] [Accepted: 08/15/2022] [Indexed: 11/17/2022] Open
Abstract
Aging is considered the main risk factor for many chronic diseases that frequently appear at advanced ages. However, the inevitability of this process is being questioned by recent research that suggests that senescent cells have specific features that differentiate them from younger cells and that removal of these cells ameliorates senescent phenotype and associated diseases. This opens the door to the design of tailored therapeutic interventions aimed at reducing and delaying the impact of senescence in life, that is, extending healthspan and treating aging as another chronic disease. Although these ideas are still far from reaching the bedside, it is conceivable that they will revolutionize the way we understand aging in the next decades. In this review, we analyze the main and well-validated cellular pathways and targets related to senescence as well as their implication in aging-associated diseases. In addition, the most relevant small molecules with senotherapeutic potential, with a special emphasis on their mechanism of action, ongoing clinical trials, and potential limitations, are discussed. Finally, a brief overview of alternative strategies that go beyond the small molecule field, together with our perspectives for the future of the field, is provided.
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Ghanemi A, Yoshioka M, St-Amand J. Secreted Protein Acidic and Rich in Cysteine as an Exercise-Induced Gene: Towards Novel Molecular Therapies for Immobilization-Related Muscle Atrophy in Elderly Patients. Genes (Basel) 2022; 13:1014. [PMID: 35741776 PMCID: PMC9223229 DOI: 10.3390/genes13061014] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2022] [Revised: 04/06/2022] [Accepted: 06/01/2022] [Indexed: 02/01/2023] Open
Abstract
Long periods of immobilization, among other etiologies, would result is muscle atrophy. Exercise is the best approach to reverse this atrophy. However, the limited or the non-ability to perform the required physical activity for such patients and the limited pharmacological options make developing novel therapeutic approaches a necessity. Within this context, secreted protein acidic and rich in cysteine (SPARC) has been characterized as an exercise-induced gene. Whereas the knock-out of this gene leads to a phenotype that mimics number of the ageing-induced and sarcopenia-related changes including muscle atrophy, overexpressing SPARC in mice or adding it to muscular cell culture produces similar effects as exercise including enhanced muscle mass, strength and metabolism. Therefore, this piece of writing aims to provide evidence supporting the potential use of SPARC/SPARC as a molecular therapy for muscle atrophy in the context of immobilization especially for elderly patients.
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Affiliation(s)
- Abdelaziz Ghanemi
- Department of Molecular Medicine, Faculty of Medicine, Laval University, Quebec, QC G1V 0A6, Canada;
- Functional Genomics Laboratory, Endocrinology and Nephrology Axis, CHU de Québec-Université Laval Research Center, Quebec, QC G1V 4G2, Canada;
| | - Mayumi Yoshioka
- Functional Genomics Laboratory, Endocrinology and Nephrology Axis, CHU de Québec-Université Laval Research Center, Quebec, QC G1V 4G2, Canada;
| | - Jonny St-Amand
- Department of Molecular Medicine, Faculty of Medicine, Laval University, Quebec, QC G1V 0A6, Canada;
- Functional Genomics Laboratory, Endocrinology and Nephrology Axis, CHU de Québec-Université Laval Research Center, Quebec, QC G1V 4G2, Canada;
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Zhong S, Yang L, Liu N, Zhou G, Hu Z, Chen C, Wang Y. Identification and validation of aging-related genes in COPD based on bioinformatics analysis. Aging (Albany NY) 2022; 14:4336-4356. [PMID: 35609226 PMCID: PMC9186770 DOI: 10.18632/aging.204064] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Accepted: 04/12/2022] [Indexed: 11/25/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is a serious chronic respiratory disorder. One of the major risk factors for COPD progression is aging. Therefore, we investigated aging-related genes in COPD using bioinformatic analyses. Firstly, the Aging Atlas database containing 500 aging-related genes and the Gene Expression Omnibus database (GSE38974) were utilized to screen candidates. A total of 24 candidate genes were identified related to both COPD and aging. Using gene ontology and Kyoto Encyclopedia of Genes and Genomes enrichment analyses, we found that this list of 24 genes was enriched in genes associated with cytokine activity, cell apoptosis, NF-κB and IL-17 signaling. Four of these genes (CDKN1A, HIF1A, MXD1 and SOD2) were determined to be significantly upregulated in clinical COPD samples and in cigarette smoke extract-exposed Beas-2B cells in vitro, and their expression was negatively correlated with predicted forced expiratory volume and forced vital capacity. In addition, the combination of expression levels of these four genes had a good discriminative ability for COPD patients (AUC = 0.794, 95% CI 0.743-0.845). All four were identified as target genes of hsa-miR-519d-3p, which was significantly down-regulated in COPD patients. The results from this study proposed that regulatory network of hsa-miR-519d-3p/CDKN1A, HIF1A, MXD1, and SOD2 closely associated with the progression of COPD, which provides a theoretical basis to link aging effectors with COPD progression, and may suggest new diagnostic and therapeutic targets of this disease.
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Affiliation(s)
- Shan Zhong
- Guangdong Key Laboratory of Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, P.R. China.,Key Laboratory of Optoelectronic Devices and Systems of Ministry of Education and Guangdong Province, College of Optoelectronic Engineering, Shenzhen University, Shenzhen 518061, P.R. China
| | - Li Yang
- Key Laboratory of Interventional Pulmonology of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325015, P.R. China
| | - Naijia Liu
- Guangdong Key Laboratory of Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, P.R. China
| | - Guangkeng Zhou
- Guangdong Key Laboratory of Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, P.R. China
| | - Zhangli Hu
- Guangdong Key Laboratory of Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, P.R. China.,Longhua Innovation Institute for Biotechnology, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518060, P.R. China
| | - Chengshui Chen
- Key Laboratory of Interventional Pulmonology of Zhejiang Province, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou 325015, P.R. China
| | - Yun Wang
- Guangdong Key Laboratory of Epigenetics, College of Life Sciences and Oceanography, Shenzhen University, Shenzhen 518055, P.R. China
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Diagnosis of Chronic Obstructive Pulmonary Disease and Regulatory Mechanism of miR-149-3p on Alveolar Inflammatory Factors and Expression of Surfactant Proteins A (SP-A) and D (SP-D) on Lung Surface Mediated by Wnt Pathway. COMPUTATIONAL INTELLIGENCE AND NEUROSCIENCE 2022; 2022:7205016. [PMID: 35463266 PMCID: PMC9019401 DOI: 10.1155/2022/7205016] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Revised: 12/10/2021] [Accepted: 12/17/2021] [Indexed: 11/17/2022]
Abstract
Objective To study the mechanism of chronic obstructive pulmonary disease (COPD) in diagnosing alveolar factors and analyze the effect of miR-149-3p on alveolar inflammatory factors and the expression of surfactant protein D (SP-D) and SP-A on the lung surface mediated by Wnt pathway. Methods Patients with stable COPD were taken as the research subjects, and healthy volunteers as the control group. Cardiac color Doppler ultrasound was adopted to measure the ventricular structure of patients. The ultrasound simulation method was introduced in the ultrasound imaging. The ultrasound image was processed based on the intelligent ultrasound simulation algorithm. The changes in the structure of the left and right ventricles were analyzed and compared in the two groups. The expression changes of miR-149-3p, Wnt1, β-catenin, RhoA, and Wnt5a in lung tissues of mice in three groups were detected, as well as the content of tumor necrosis factor- (TNF-) α, IL-1β, interleukin (IL-6), nuclear factor kB (NF-kB), and other inflammatory factors in bronchoalveolar tissues of mice in three groups. Results The position where the attenuation ratio was less than 0.92 in the experiment under the ultrasonic simulation algorithm had a gray value of 50. Compared with the control group, the right ventricular mass index of patients with stable COPD was statistically considerable (P < 0.05). In patients with stable COPD, the overall right ventricular longitudinal strain, right ventricular diastolic longitudinal strain rate (RV DLSR), right ventricular diastolic circumferential strain rate, and right ventricular longitudinal displacement were significantly impaired (P < 0.05). The content of miR-149-3p in the lung tissue of the model group was dramatically inferior to that of the control group and the interference group (P < 0.05). The contents of Wnt1, β-catenin, RhoA, and Wnt5a in the lung tissue of the model group were dramatically superior to those of the control group (P < 0.05). In addition, the expressions of TNF-α, IL-1β, IL-6, and NF-kB in the alveolar lavage fluid of the model group were statistically different from those of control group (P < 0.05). The expression levels of SP-D and surfactant protein A (SP-A) in the COPD group were also statistically different from those of control group (P < 0.05). Conclusion miR-149-3p regulated the expression of Wnt1, β-catenin, RhoA, and Wnt5a, which also affected the signal transmission of the Wnt pathway, causing changes in the expression of alveolar inflammatory factors. Eventually, it affected the development of COPD.
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Induction of Accelerated Aging in a Mouse Model. Cells 2022; 11:cells11091418. [PMID: 35563724 PMCID: PMC9102583 DOI: 10.3390/cells11091418] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2022] [Revised: 04/11/2022] [Accepted: 04/20/2022] [Indexed: 12/12/2022] Open
Abstract
With the global increase of the elderly population, the improvement of the treatment for various aging-related diseases and the extension of a healthy lifespan have become some of the most important current medical issues. In order to understand the developmental mechanisms of aging and aging-related disorders, animal models are essential to conduct relevant studies. Among them, mice have become one of the most prevalently used model animals for aging-related studies due to their high similarity to humans in terms of genetic background and physiological structure, as well as their short lifespan and ease of reproduction. This review will discuss some of the common and emerging mouse models of accelerated aging and related chronic diseases in recent years, with the aim of serving as a reference for future application in fundamental and translational research.
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Shi ZE, Zhang MY, Liu JY, Zhang WD, Hu DM, Wang QX, Ji XL, Jiang YY, Qu YQ. Autophagy Induced by BCL2-Related ceRNA Network Participates in the Occurrence of COPD. Int J Chron Obstruct Pulmon Dis 2022; 17:791-808. [PMID: 35431545 PMCID: PMC9005473 DOI: 10.2147/copd.s347733] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Accepted: 03/28/2022] [Indexed: 12/13/2022] Open
Abstract
Purpose Chronic obstructive pulmonary disease (COPD) is a predominant cause of mortality worldwide. Autophagy, which depends on a lysosomal degradation pathway, plays an essential role in the occurrence of COPD. The aim of our study was to identify the potential function of autophagy and construct a BCL2-related competing endogenous RNA (ceRNA) network that induces autophagy in COPD. Methods Blood sample data from GSE31568, GSE24709, and GSE61741 were collected from the Gene Expression Omnibus (GEO) database. Differentially expressed miRNAs in COPD and controls were identified via GEO2R. Transcription factors were obtained from FunRich. DIANA, miRDB, miRTarBase, and TargetScan were used to predict target genes of miRNAs. Autophagy genes were collected from the Human Autophagy Database (HADb). The GSE151052 dataset was used to identify autophagy-related differentially expressed genes in tissues. Functional enrichment and protein–protein interaction (PPI) network analyses were conducted via Metascape and the STRING network. Spearman correlation analysis was used to analyze the relationship between autophagy-related differentially expressed genes and lung function. The BCL2-related ceRNA network was modeled by Cytoscape. Results We obtained 41 differentially expressed miRNAs and 10 significantly different transcription factors. We identified 19 autophagy-related differentially expressed genes that were significantly different (P<0.05) in tissue samples. The most significant enrichment in Metascape was an autophagy item, which further confirmed autophagy participation in the occurrence of COPD. PPI network analysis found four genes (BCL2, BECN1, MAPK8, and ITPR1), among which BCL2 was correlated with both FEV1/FVC and FEV1 prediction. Finally, the BCL2-related ceRNA network was constructed to clarify the interaction of RNAs and occurrence of autophagy, including 18 miRNAs and 65 lncRNAs. Conclusion We identified 19 autophagy-related differentially expressed genes that participated in COPD; among them, BCL2 was correlated with lung function, and a BCL2-related ceRNA network was constructed, which further revealed the potential mechanism of autophagy involvement in COPD.
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Affiliation(s)
- Zhuang-E Shi
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Shandong Key Laboratory of Infectious Respiratory Diseases, Jinan, People’s Republic of China
| | - Meng-Yu Zhang
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Shandong Key Laboratory of Infectious Respiratory Diseases, Jinan, People’s Republic of China
| | - Jian-Yu Liu
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Shandong Key Laboratory of Infectious Respiratory Diseases, Jinan, People’s Republic of China
| | - Wen-Di Zhang
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Shandong Key Laboratory of Infectious Respiratory Diseases, Jinan, People’s Republic of China
| | - Dong-Mei Hu
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Shandong Key Laboratory of Infectious Respiratory Diseases, Jinan, People’s Republic of China
| | - Qing-Xiang Wang
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Shandong Key Laboratory of Infectious Respiratory Diseases, Jinan, People’s Republic of China
| | - Xiu-Li Ji
- Department of Pulmonary Disease, Jinan Traditional Chinese Medicine Hospital, Jinan, People’s Republic of China
| | - Yuan-Yuan Jiang
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Shandong Key Laboratory of Infectious Respiratory Diseases, Jinan, People’s Republic of China
| | - Yi-Qing Qu
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Shandong Key Laboratory of Infectious Respiratory Diseases, Jinan, People’s Republic of China
- Correspondence: Yi-Qing Qu, Department of pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Shandong Key Laboratory of Infectious Respiratory Diseases, Jinan, People’s Republic of China, Tel +86 531 8216 9335, Fax +86 531 8296 7544, Email
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Pantazopoulos I, Magounaki K, Kotsiou O, Rouka E, Perlikos F, Kakavas S, Gourgoulianis K. Incorporating Biomarkers in COPD Management: The Research Keeps Going. J Pers Med 2022; 12:jpm12030379. [PMID: 35330379 PMCID: PMC8955907 DOI: 10.3390/jpm12030379] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 02/17/2022] [Accepted: 02/28/2022] [Indexed: 12/17/2022] Open
Abstract
Globally, chronic obstructive pulmonary disease (COPD) remains a major cause of morbidity and mortality, having a significant socioeconomic effect. Several molecular mechanisms have been related to COPD including chronic inflammation, telomere shortening, and epigenetic modifications. Nowadays, there is an increasing need for novel therapeutic approaches for the management of COPD. These treatment strategies should be based on finding the source of acute exacerbation of COPD episodes and estimating the patient’s own risk. The use of biomarkers and the measurement of their levels in conjunction with COPD exacerbation risk and disease prognosis is considered an encouraging approach. Many types of COPD biomarkers have been identified which include blood protein biomarkers, cellular biomarkers, and protease enzymes. They have been isolated from different sources including peripheral blood, sputum, bronchoalveolar fluid, exhaled air, and genetic material. However, there is still not an exclusive biomarker that is used for the evaluation of COPD but rather a combination of them, and this is attributed to disease complexity. In this review, we summarize the clinical significance of COPD-related biomarkers, their association with disease outcomes, and COPD patients’ management. Finally, we depict the various samples that are used for identifying and measuring these biomarkers.
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Affiliation(s)
- Ioannis Pantazopoulos
- Department of Emergency Medicine, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece
- Correspondence: ; Tel.: +30-6945661525
| | | | - Ourania Kotsiou
- Department of Respiratory Medicine, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece; (O.K.); (E.R.); (K.G.)
| | - Erasmia Rouka
- Department of Respiratory Medicine, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece; (O.K.); (E.R.); (K.G.)
| | - Fotis Perlikos
- ICU Department, Henry Dynant Hospital Center, 11526 Athens, Greece;
| | - Sotirios Kakavas
- Critical Care Department, “Sotiria” General Hospital of Chest Diseases, 11527 Athens, Greece;
| | - Konstantinos Gourgoulianis
- Department of Respiratory Medicine, Faculty of Medicine, University of Thessaly, Biopolis, 41500 Larissa, Greece; (O.K.); (E.R.); (K.G.)
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Efficacy and safety of modified Bushen Yiqi formulas (MBYF) as an add-on to formoterol and budesonide in the management of COPD: study protocol for a multicentre, double-blind, placebo-controlled, parallel-group, randomized clinical trial: FB-MBYF Trial. Trials 2022; 23:143. [PMID: 35164853 PMCID: PMC8842909 DOI: 10.1186/s13063-022-06057-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2021] [Accepted: 01/27/2022] [Indexed: 11/16/2022] Open
Abstract
Background Inhaled glucocorticoid corticosteroid (ICS), long-acting β2-adrenoceptor agonist (LABA), and other drugs have limited therapeutic effects on COPD with significant individual differences. Traditional Chinese medicine (TCM)-modified Bushen Yiqi formula (MBYF) demonstrates advantages in COPD management in China. This study aims to evaluate the efficacy and safety of MBYF as an add-on to budesonide/formoterol in COPD patients and confirm the related genes affecting the therapeutic effect in the treatment of COPD. Methods In this multicentre, randomised, double-blind, placebo-controlled, parallel-group study, eligible patients with COPD will randomly receive a 360-day placebo or MBYF as an adjuvant to budesonide/formoterol in a 1:1 ratio and be followed up with every 2 months. The primary outcomes will be the frequency, times, and severity of acute exacerbation of COPD (AECOPD), COPD assessment test (CAT) score, and pulmonary function tests (PFTs). The secondary outcomes will include the modified Medical Research Council (mMRC) dyspnoea scale, 6-min walking test (6MWT), BODE index, quantitative scores of syndromes classified in TCM, inflammation indices, and hypothalamic-pituitary-adrenaline (HPA) axis function. We will also test the genotype to determine the relationship between drugs and efficacy. All the data will be recorded in case report forms (CRFs) and analysed by SPSS V.20.0. Discussion A randomized clinical trial design to evaluate the efficacy and safety of MBYF in COPD is described. The results will provide evidence for the combination therapy of modern medicine and TCM medicine, and individual therapy for COPD.Trial registration. Trial registration ID: ChiCTR1900026124, Prospective registration. Supplementary Information The online version contains supplementary material available at 10.1186/s13063-022-06057-7.
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Exogenous Bioactive Peptides Have a Potential Therapeutic Role in Delaying Aging in Rodent Models. Int J Mol Sci 2022; 23:ijms23031421. [PMID: 35163342 PMCID: PMC8835817 DOI: 10.3390/ijms23031421] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2021] [Revised: 01/18/2022] [Accepted: 01/20/2022] [Indexed: 02/01/2023] Open
Abstract
In recent years, some exogenous bioactive peptides have been shown to have promising anti-aging effects. These exogenous peptides may have a mechanism similar to endogenous peptides, and some can even regulate the release of endogenous active peptides and play a synergistic role with endogenous active peptides. Most aging studies use rodents that are easy to maintain in the laboratory and have relatively homogenous genotypes. Moreover, many of the anti-aging studies using bioactive peptides in rodent models only focus on the activity of single endogenous or exogenous active peptides, while the regulatory effects of exogenous active peptides on endogenous active peptides remain largely under-investigated. Furthermore, the anti-aging activity studies only focus on the effects of these bioactive peptides in individual organs or systems. However, the pathological changes of one organ can usually lead to multi-organ complications. Some anti-aging bioactive peptides could be used for rescuing the multi-organ damage associated with aging. In this paper, we review recent reports on the anti-aging effects of bioactive peptides in rodents and summarize the mechanism of action for these peptides, as well as discuss the regulation of exogenous active peptides on endogenous active peptides.
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Wu H, Ma H, Wang L, Zhang H, Lu L, Xiao T, Cheng C, Wang P, Yang Y, Wu M, Wang S, Zhang J, Liu Q. Regulation of lung epithelial cell senescence in smoking-induced COPD/emphysema by microR-125a-5p via Sp1 mediation of SIRT1/HIF-1a. Int J Biol Sci 2022; 18:661-674. [PMID: 35002516 PMCID: PMC8741857 DOI: 10.7150/ijbs.65861] [Citation(s) in RCA: 34] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2021] [Accepted: 11/27/2021] [Indexed: 01/10/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) affects the health of more than 300 million people worldwide; at present, there is no effective drug to treat COPD. Smoking is the most important risk factor, but the molecular mechanism by which smoking causes the disease is unclear. The senescence of lung epithelial cells is related to development of COPD. Regulation of miRNAs is the main epigenetic mechanism related to aging. β-Galactose staining showed that the lung tissues of smokers have a higher degree of cellular senescence, and the expression of miR-125a-5p is high. This effect is obvious for smokers with COPD/emphysema, and there is a negative correlation between miR-125a-5p levels and values for forced expiratory volume in one second (FEV1)/forced vital capacity (FVC). After Balb/c mice were chronically exposed to various concentrations of cigarette smoke (CS), plethysmography showed that lung function was impaired, lung tissue senescence was increased, and the senescence-associated secretory phenotype (SASP) in bronchoalveolar lavage fluid was increased. For mouse lung epithelial (MLE)-12 cells treated with cigarette smoke extract (CSE), Sp1 and SIRT1 levels were low, HIF-1α acetylation levels were high, and cell senescence and secretion of SASP factors were elevated. Down-regulation of miR-125a-5p or up-regulation of Sp1 reversed these effects. In addition, compared with mice exposed to CS, knockdown of miR-125a-5p reduced lung epithelial cell senescence and COPD/emphysema. Therefore, in smoking-induced COPD, elevated miR-125a-5p participates in the senescence of lung epithelial cells through Sp1/SIRT1/HIF-1α. These findings provide evidence related to the pathogenesis of COPD/emphysema caused by chronic smoking.
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Affiliation(s)
- Hao Wu
- Department of Emergency, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu, People's Republic of China.,Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Huimin Ma
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Lumin Wang
- Department of Emergency, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Huazhong Zhang
- Department of Emergency, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Lu Lu
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Tian Xiao
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Cheng Cheng
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Peiwen Wang
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Yi Yang
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Meng Wu
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
| | - Suhua Wang
- Department of Toxicology, School of Public Health, Baotou Medical College, Baotou, 014040, Inner Mongolia, People's Republic of China
| | - Jinsong Zhang
- Department of Emergency, Jiangsu Province Hospital, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, Jiangsu, People's Republic of China
| | - Qizhan Liu
- Center for Global Health, The Key Laboratory of Modern Toxicology, Ministry of Education, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China.,Jiangsu Key Lab of Cancer Biomarkers, Prevention and Treatment, Jiangsu Collaborative Innovation Center for Cancer Personalized Medicine, School of Public Health, Nanjing Medical University, Nanjing, 211166, Jiangsu, People's Republic of China
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Xu L, Dong Z. LINC00599 influences smoke-related chronic obstructive pulmonary disease and regulates CSE-induced epithelial cell apoptosis and inflammation by targeting miR-212-5p/BASP1 axis. Hum Exp Toxicol 2022; 41:9603271221146790. [PMID: 36541900 DOI: 10.1177/09603271221146790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
LINC00599 has been reported to be upregulated in response to cigarette smoking. However, the effect and underlying mechanism of LINC00599 in chronic obstructive pulmonary disease (COPD) are still under exploration. In this study, LINC00599 was upregulated in the COPD patients and was of clinical value to distinguish COPD patients. COPD cell models were established using 16HBE cells under cigarette smoke extract (CSE) treatment. LINC00599 levels were elevated in a dose and time-dependent way in response to CSE stimulation. The effect of LINC00599 on CSE-induced 16HBE cells was explored. The results showed that LINC00599 deficiency reversed the CSE-induced inhibition on cell viability and proliferation, and rescued the CSE-induced enhancement on cell 16HBE cell apoptosis and inflammation response. Moreover, LINC00599 bound with miR-212-5p to upregulate the BASP1 (brain abundant membrane attached signal protein 1) expression. MiR-212-5p was expressed at a low level in the tissue samples of COPD patients, and its levels were upregulated in LINC00599 silenced cells. BASP1 was targeted by miR-212-5p and its upregulation was identified in the tissue samples of COPD patients and cell models. BASP1 levels were downregulated after miR-212-5p overexpression or LINC00599 silencing. Moreover, the rescue assays demonstrated that BASP1 overexpression reversed the effect of silenced LINC00599 on 16HBE cells after CSE treatment, which indicated that LINC00599 promoted the COPD development by regulating BASP1 expression. In conclusion, LINC00599 facilitated CSE-induced cell apoptosis and inflammation response, while inhibiting the cell viability and proliferation in COPD progression via modulating miR-212-5p/BASP1 axis.
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Affiliation(s)
- Liyun Xu
- Department of Respiratory Medicine, Shanghai Pulmonary Hospital, Tongji University Affiliated Shanghai Pulmonary Hospital, Shanghai, China
| | - Zhiyi Dong
- Department of Integrated Chinese and Western Medicine, Shanghai Pulmonary Hospital, Tongji University School of Medicine, Shanghai, China
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Aging Diminishes Mucociliary Clearance of the Lung. ADVANCES IN GERIATRIC MEDICINE AND RESEARCH 2022; 4. [PMID: 36066919 PMCID: PMC9435381 DOI: 10.20900/agmr20220005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Possibility of Venous Serum Cl - Concentration ([Cl -] s) as a Marker for Human Metabolic Status: Correlation of [Cl -] s to Age, Fasting Blood Sugar (FBS), and Glycated Hemoglobin (HbA1c). Int J Mol Sci 2021; 22:ijms222011111. [PMID: 34681771 PMCID: PMC8537275 DOI: 10.3390/ijms222011111] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Revised: 10/09/2021] [Accepted: 10/12/2021] [Indexed: 11/17/2022] Open
Abstract
The HCO3− concentration in venous serum ([HCO3−]s) is a factor commonly used for detecting the body pH and metabolic conditions. To exactly detect [HCO3−]s, the venous CO2 pressure should be kept as it is in the vein. The [HCO3−]s measurement is technically complicated to apply for huge numbers of almost heathy persons taking only basic medical examinations. The summation of [HCO3−]s and the venous serum Cl− concentration ([Cl−]s) is approximately constant; therefore, we studied if [Cl−]s could be a marker detecting metabolic conditions instead of [HCO3−]s. Venous blood was obtained from persons taking basic medical examinations (the number of persons = 107,630). Older persons showed higher values of [Cl−]s, fasting blood sugar (FBS), and glycated hemoglobin (HbA1c) than younger ones. [Cl−]s showed positive correlation to age and negative correlation to FBS and HBA1c. The negative correlation of [Cl−]s to FBS/HbA1c was obvious in persons with high FBS/HbA1c, leading us to an idea that persons with high FBS/HbA1c show high [HCO3−]s, which might be caused by low activity of carbonic anhydrase in the lung observed in persons with diabetes mellitus under acidotic conditions. Taken together, an easily measured serum electrolyte, [Cl−]s, could be a useful marker estimating metabolic conditions.
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Schädel P, Troisi F, Czapka A, Gebert N, Pace S, Ori A, Werz O. Aging drives organ-specific alterations of the inflammatory microenvironment guided by immunomodulatory mediators in mice. FASEB J 2021; 35:e21558. [PMID: 33855766 DOI: 10.1096/fj.202002684r] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2020] [Revised: 03/03/2021] [Accepted: 03/11/2021] [Indexed: 12/31/2022]
Abstract
Aging is accompanied by chronic, low-grade systemic inflammation, termed inflammaging, a main driver of age-associated diseases. Such sterile inflammation is typically characterized by elevated levels of pro-inflammatory mediators, such as cytokines, chemokines and reactive oxygen species causing organ damage. Lipid mediators play important roles in the fine-tuning of both the promotion and the resolution of inflammation. Yet, it remains unclear how lipid mediators fit within the concept of inflammaging and how their biosynthesis and function is affected by aging. Here, we provide comprehensive signature profiles of inflammatory markers in organs afflicted with inflammation of young and old C57BL/6 mice. We reveal an organ-specific footprint of inflammation-related cytokines, chemokines and lipid mediators, which are distinctively affected by aging. While some organs are characterized by a pronounced pro-inflammatory microenvironment and impaired resolution during aging, others display elevated levels of pro-resolving mediators or an overall decrease in inflammatory signaling. Our results demonstrate that it proves difficult to establish a unifying concept for alterations of immunomodulatory mediators as consequence of aging and that organ specificity needs to be considered. Moreover, our data imply that inclusion of lipid mediators into the concept of inflammaging provides a comprehensive tool to characterize the inflammatory microenvironment during aging on a broader and yet, more detailed scope.
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Affiliation(s)
- Patrick Schädel
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, Jena, Germany
| | - Fabiana Troisi
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, Jena, Germany.,Center of Allergy and Environment (ZAUM), Technical University of Munich and Helmholtz Center Munich, Munich, Germany
| | - Anna Czapka
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, Jena, Germany
| | - Nadja Gebert
- Leibniz Institute on Aging-Fritz Lipmann Institute (FLI), Jena, Germany
| | - Simona Pace
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, Jena, Germany
| | - Alessandro Ori
- Leibniz Institute on Aging-Fritz Lipmann Institute (FLI), Jena, Germany
| | - Oliver Werz
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University, Jena, Germany
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Campisi M, Liviero F, Maestrelli P, Guarnieri G, Pavanello S. DNA Methylation-Based Age Prediction and Telomere Length Reveal an Accelerated Aging in Induced Sputum Cells Compared to Blood Leukocytes: A Pilot Study in COPD Patients. Front Med (Lausanne) 2021; 8:690312. [PMID: 34368190 PMCID: PMC8342924 DOI: 10.3389/fmed.2021.690312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2021] [Accepted: 06/08/2021] [Indexed: 11/13/2022] Open
Abstract
Aging is the predominant risk factor for most degenerative diseases, including chronic obstructive pulmonary disease (COPD). This process is however very heterogeneous. Defining the biological aging of individual tissues may contribute to better assess this risky process. In this study, we examined the biological age of induced sputum (IS) cells, and peripheral blood leukocytes in the same subject, and compared these to assess whether biological aging of blood leukocytes mirrors that of IS cells. Biological aging was assessed in 18 COPD patients (72.4 ± 7.7 years; 50% males). We explored mitotic and non-mitotic aging pathways, using telomere length (TL) and DNA methylation-based age prediction (DNAmAge) and age acceleration (AgeAcc) (i.e., difference between DNAmAge and chronological age). Data on demographics, life style and occupational exposure, lung function, and clinical and blood parameters were collected. DNAmAge (67.4 ± 5.80 vs. 61.6 ± 5.40 years; p = 0.0003), AgeAcc (-4.5 ± 5.02 vs. -10.8 ± 3.50 years; p = 0.0003), and TL attrition (1.05 ± 0.35 vs. 1.48 ± 0.21 T/S; p = 0.0341) are higher in IS cells than in blood leukocytes in the same patients. Blood leukocytes DNAmAge (r = 0.927245; p = 0.0026) and AgeAcc (r = 0.916445; p = 0.0037), but not TL, highly correlate with that of IS cells. Multiple regression analysis shows that both blood leukocytes DNAmAge and AgeAcc decrease (i.e., younger) in patients with FEV1% enhancement (p = 0.0254 and p = 0.0296) and combined inhaled corticosteroid (ICS) therapy (p = 0.0494 and p = 0.0553). In conclusion, new findings from our work reveal a differential aging in the context of COPD, by a direct quantitative comparison of cell aging in the airway with that in the more accessible peripheral blood leukocytes, providing additional knowledge which could offer a potential translation into the disease management.
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Affiliation(s)
- Manuela Campisi
- Occupational Medicine, Department of Cardiac, Thoracic, and Vascular Sciences and Public Health, University Hospital of Padua, Padua, Italy
| | - Filippo Liviero
- Occupational Medicine, Department of Cardiac, Thoracic, and Vascular Sciences and Public Health, University Hospital of Padua, Padua, Italy
| | - Piero Maestrelli
- Occupational Medicine, Department of Cardiac, Thoracic, and Vascular Sciences and Public Health, University Hospital of Padua, Padua, Italy
| | - Gabriella Guarnieri
- Respiratory Pathophysiology Unit, Department of Cardiac, Thoracic, and Vascular Sciences and Public Health, University Hospital of Padua, Padua, Italy
| | - Sofia Pavanello
- Occupational Medicine, Department of Cardiac, Thoracic, and Vascular Sciences and Public Health, University Hospital of Padua, Padua, Italy
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Shin HJ, Kim S, Park H, Shin M, Kang I, Kang M. Nucleotide-binding domain and leucine-rich-repeat-containing protein X1 deficiency induces nicotinamide adenine dinucleotide decline, mechanistic target of rapamycin activation, and cellular senescence and accelerates aging lung-like changes. Aging Cell 2021; 20:e13410. [PMID: 34087956 PMCID: PMC8282248 DOI: 10.1111/acel.13410] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 05/06/2021] [Accepted: 05/09/2021] [Indexed: 12/16/2022] Open
Abstract
Mitochondrial dysfunction has long been implicated to have a causative role in organismal aging. A mitochondrial molecule, nucleotide‐binding domain and leucine‐rich‐repeat‐containing protein X1 (NLRX1), represents the only NLR family member that targets this cellular location, implying that NLRX1 probably establishes a fundamental link between mitochondrial functions and cellular physiology. However, the significance of NLRX1 function in cellular senescence, a key conceptual constituent in aging biology, is yet to be defined. Here, we demonstrate that molecular hallmarks involved in aging biology including NAD+ decline, and activation of mTOR, p53, and p16INK4A are significantly enhanced in NLRX1 deficiency in vitro. Mechanistic studies of replicative cellular senescence in the presence or absence of NLRX1 in vitro reveal that NLRX1‐deficient fibroblasts fail to maintain optimal NAD+/NADH ratio, which instigates the decline of SIRT1 and the activation of mTOR, p16INK4A, and p53, leading to the increase in senescence‐associated beta‐galactosidase (SA‐β‐gal)‐positive cells. Importantly, the enhanced cellular senescence response in NLRX1 deficiency is significantly attenuated by pharmacological inhibition of mTOR signaling in vitro. Finally, our in vivo murine studies reveal that NLRX1 decreases with age in murine lungs and NLRX1 deficiency in vivo accelerates pulmonary functional and structural changes that recapitulate the findings observed in human aging lungs. In conclusion, the current study provides evidence for NLRX1 as a crucial regulator of cellular senescence and in vivo lung aging.
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Affiliation(s)
- Hyeon Jun Shin
- Section of Pulmonary, Critical Care and Sleep Medicine Department of Internal Medicine Yale University School of Medicine New Haven CT USA
| | - Sang‐Hun Kim
- Section of Pulmonary, Critical Care and Sleep Medicine Department of Internal Medicine Yale University School of Medicine New Haven CT USA
| | - Hong‐Jai Park
- Section of Rheumatology, Allergy and Immunology Department of Internal Medicine Yale University School of Medicine New Haven CT USA
| | - Min‐Sun Shin
- Section of Rheumatology, Allergy and Immunology Department of Internal Medicine Yale University School of Medicine New Haven CT USA
| | - Insoo Kang
- Section of Rheumatology, Allergy and Immunology Department of Internal Medicine Yale University School of Medicine New Haven CT USA
| | - Min‐Jong Kang
- Section of Pulmonary, Critical Care and Sleep Medicine Department of Internal Medicine Yale University School of Medicine New Haven CT USA
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