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Lee S, Lee CH, Lee J, Jeong Y, Park JH, Nam IJ, Lee DS, Lee HM, Ahn SY, Kim E, Jeong S, Yu SS, Lee W. Botanical formulation HX110B ameliorates PPE-induced emphysema in mice via regulation of PPAR/RXR signaling pathway. PLoS One 2024; 19:e0305911. [PMID: 39052574 PMCID: PMC11271920 DOI: 10.1371/journal.pone.0305911] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 06/04/2024] [Indexed: 07/27/2024] Open
Abstract
Chronic obstructive pulmonary disease (COPD), an inflammatory lung disease, causes approximately 3 million deaths each year; however, its pathological mechanisms are not fully understood. In this study, we examined whether HX110B, a mixture of Taraxacum officinale, Dioscorea batatas, and Schizonepeta tenuifolia extracts, could suppress porcine pancreatic elastase (PPE)-induced emphysema in mice and its mechanism of action. The therapeutic efficacy of HX110B was tested using a PPE-induced emphysema mouse model and human bronchial epithelial cell line BEAS-2B. In vivo data showed that the alveolar wall and air space expansion damaged by PPE were improved by HX110B administration. HX110B also effectively suppresses the expression levels of pro-inflammatory mediators including IL-6, IL-1β, MIP-2, and iNOS, while stimulating the expression of lung protective factors such as IL-10, CC16, SP-D, and sRAGE. Moreover, HX110B improved the impaired OXPHOS subunit gene expression. In vitro analysis revealed that HX110B exerted its effects by activating the PPAR-RXR signaling pathways. Overall, our data demonstrated that HX110B could be a promising therapeutic option for COPD treatment.
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Affiliation(s)
- Soojin Lee
- R&D Center for Innovative Medicines, Helixmith Co., Ltd., Seoul, Korea
| | - Chang Hyung Lee
- R&D Center for Innovative Medicines, Helixmith Co., Ltd., Seoul, Korea
| | - Jungkyu Lee
- R&D Center for Innovative Medicines, Helixmith Co., Ltd., Seoul, Korea
| | - Yoonseon Jeong
- R&D Center for Innovative Medicines, Helixmith Co., Ltd., Seoul, Korea
| | - Jong-Hyung Park
- R&D Center for Innovative Medicines, Helixmith Co., Ltd., Seoul, Korea
| | - In-Jeong Nam
- R&D Center for Innovative Medicines, Helixmith Co., Ltd., Seoul, Korea
| | - Doo Suk Lee
- R&D Center for Innovative Medicines, Helixmith Co., Ltd., Seoul, Korea
| | - Hyun Myung Lee
- R&D Center for Innovative Medicines, Helixmith Co., Ltd., Seoul, Korea
| | - Soo-Yeon Ahn
- R&D Center for Innovative Medicines, Helixmith Co., Ltd., Seoul, Korea
| | - Eujung Kim
- R&D Center for Innovative Medicines, Helixmith Co., Ltd., Seoul, Korea
| | - Seungyeon Jeong
- R&D Center for Innovative Medicines, Helixmith Co., Ltd., Seoul, Korea
| | - Seung-Shin Yu
- R&D Center for Innovative Medicines, Helixmith Co., Ltd., Seoul, Korea
| | - Wonwoo Lee
- R&D Center for Innovative Medicines, Helixmith Co., Ltd., Seoul, Korea
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Chen Z, Xie W, Tang S, Lin M, Ren L, Huang X, Deng L, Qian R, Wang Z, Xiong D, Xie P, Liu W. Taraxerone exerts antipulmonary fibrosis effect through Smad signaling pathway and antioxidant stress response in a Sirtuin1-dependent manner. Phytother Res 2024; 38:3720-3735. [PMID: 38776174 DOI: 10.1002/ptr.8221] [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: 05/04/2023] [Revised: 11/28/2023] [Accepted: 11/30/2023] [Indexed: 05/24/2024]
Abstract
Idiopathic pulmonary fibrosis treatments are limited, often with severe side effects, highlighting the need for novel options. Taraxerone has diverse biomedical properties, but its mechanism remains unclear. This study investigates taraxerone's impact and the mechanisms involved in bleomycin-induced pulmonary fibrosis in mice. After establishing a pulmonary fibrosis mouse model, taraxerone was intraperitoneally injected continuously for 14-28 days. The in vivo antifibrotic and antioxidative stress effects of taraxerone were assessed. In vitro, the influence of taraxerone on transforming growth factor-β1-induced myofibroblast transformation and oxidative stress was investigated. Subsequently, quantitative polymerase chain reaction screened the histone deacetylase and Sirtuin family, and taraxerone's effects on SIRT1 were assessed. After SIRT1 siRNA treatment, changes in myofibroblast transformation and antioxidant capacity in response to taraxerone were observed. Acetylation and phosphorylation levels of Smad3 were evaluated. We also examined the binding levels of SIRT1 with Pho-Smad3 and Smad3, as well as the nuclear localization of Smad2/3. EX527 confirmed SIRT1's in vivo action in response to taraxerone. In vitro experiments suggested that taraxerone inhibited myofibroblast differentiation by activating SIRT1 and reducing oxidative stress. We also observed a new interaction between SIRT1 and the Smad complex. Taraxerone activates SIRT1, enabling it to bind directly to Smad3. This leads to reduced Smad complex phosphorylation and limited nuclear translocation. As a result, the transcription of fibrotic factors is reduced. In vivo validation confirms taraxerone's SIRT1-mediated antifibrotic effectiveness. This suggests that targeting SIRT1-mediated inhibition of myofibroblast differentiation could be a key strategy in taraxerone-based therapy for pulmonary fibrosis.
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Affiliation(s)
- Ziwei Chen
- Xiangya Nursing School, Central South University, Changsha, China
- Laboratory Medicine Department, Xiangya Hospital, Central South University, Changsha, China
| | - Weixi Xie
- Xiangya Nursing School, Central South University, Changsha, China
| | - Siyuan Tang
- Xiangya Nursing School, Central South University, Changsha, China
| | - Miao Lin
- Xiangya Nursing School, Central South University, Changsha, China
| | - Lu Ren
- Clinical Nursing Teaching and Research Section, The Second Xiangya Hospital, Central South University, Changsha, China
- Department of Dermatology, The Second Xiangya Hospital, Central South University, Changsha, China
| | - Xiaoting Huang
- Xiangya Nursing School, Central South University, Changsha, China
| | - Lang Deng
- Xiangya Nursing School, Central South University, Changsha, China
| | - Rui Qian
- Xiangya Nursing School, Central South University, Changsha, China
| | - Zun Wang
- Xiangya Nursing School, Central South University, Changsha, China
| | - Dayang Xiong
- Xiangya Nursing School, Central South University, Changsha, China
| | - Pingli Xie
- National Experimental Teaching Demonstration Center for Medical Function, Central South University, Changsha, China
| | - Wei Liu
- Xiangya Nursing School, Central South University, Changsha, China
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3
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Song W, Yue Y, Zhang Q, Wang X. Copper homeostasis dysregulation in respiratory diseases: a review of current knowledge. Front Physiol 2024; 15:1243629. [PMID: 38883186 PMCID: PMC11176810 DOI: 10.3389/fphys.2024.1243629] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Accepted: 01/22/2024] [Indexed: 06/18/2024] Open
Abstract
Cu is an essential micronutrient for various physiological processes in almost all human cell types. Given the critical role of Cu in a wide range of cellular processes, the local concentrations of Cu and the cellular distribution of Cu transporter proteins in the lung are essential for maintaining a steady-state internal environment. Dysfunctional Cu metabolism or regulatory pathways can lead to an imbalance in Cu homeostasis in the lungs, affecting both acute and chronic pathological processes. Recent studies have identified a new form of Cu-dependent cell death called cuproptosis, which has generated renewed interest in the role of Cu homeostasis in diseases. Cuproptosis differs from other known cell death pathways. This occurs through the direct binding of Cu ions to lipoylated components of the tricarboxylic acid cycle during mitochondrial respiration, leading to the aggregation of lipoylated proteins and the subsequent downregulation of Fe-S cluster proteins, which causes toxic stress to the proteins and ultimately leads to cell death. Here, we discuss the impact of dysregulated Cu homeostasis on the pathogenesis of various respiratory diseases, including asthma, chronic obstructive pulmonary disease, idiopathic interstitial fibrosis, and lung cancer. We also discuss the therapeutic potential of targeting Cu. This study highlights the intricate interplay between copper, cellular processes, and respiratory health. Copper, while essential, must be carefully regulated to maintain the delicate balance between necessity and toxicity in living organisms. This review highlights the need to further investigate the precise mechanisms of copper interactions with infections and immune inflammation in the context of respiratory diseases and explore the potential of therapeutic strategies for copper, cuproptosis, and other related effects.
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Affiliation(s)
- Wei Song
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Yuanyi Yue
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, China
| | - Qiang Zhang
- Department of Pulmonary and Critical Care Medicine, Shengjing Hospital of China Medical University, Shenyang, China
| | - Xueqing Wang
- Department of Gastroenterology, Shengjing Hospital of China Medical University, Shenyang, China
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4
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Zhu W, Zhang F, Wang M, Meng S, Ren F. Temozolomide alleviates breast carcinoma via the inhibition of EGFR/ERK/ MMP-1 pathway with induction of apoptotic events. Acta Cir Bras 2024; 39:e391624. [PMID: 38808816 PMCID: PMC11126306 DOI: 10.1590/acb391624] [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: 09/21/2023] [Accepted: 01/26/2024] [Indexed: 05/30/2024] Open
Abstract
PURPOSE To evaluate the chemotherapeutic activity of temozolomide counter to mammary carcinoma. METHODS In-vitro anticancer activity has been conducted on MCF7 cells, and mammary carcinoma has been induced in Wistar rats by introduction of 7, 12-Dimethylbenz(a)anthracene (DMBA), which was sustained for 24 weeks. Histopathology, immunohistochemistry, cell proliferation study and apoptosis assay via TUNEL method was conducted to evaluate an antineoplastic activity of temozolomide in rat breast tissue. RESULTS IC50 value of temozolomide in MCF7 cell has been obtained as 103 μM, which demonstrated an initiation of apoptosis. The temozolomide treatment facilitated cell cycle arrest in G2/M and S phase dose dependently. The treatment with temozolomide suggested decrease of the hyperplastic abrasions and renovation of the typical histological features of mammary tissue. Moreover, temozolomide therapy caused the downregulation of epidermal growth factor receptor, extracellular signal-regulated kinase, and metalloproteinase-1 expression and upstream of p53 and caspase-3 proliferation to indicate an initiation of apoptotic events. CONCLUSIONS The occurrence of mammary carcinoma has been significantly decreased by activation of apoptotic pathway and abrogation of cellular propagation that allowable for developing a suitable mechanistic pathway of temozolomide in order to facilitate chemotherapeutic approach.
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Affiliation(s)
- Weijun Zhu
- Taizhou Municipal Hospital – Department of Pathology – Zhejiang Province, Taizhou Zhejiang, China
| | - Fengjun Zhang
- The 940th Hospital of Joint Logistics Support Force of PLA – Department of Mammary Gland – Lanzhou, Gansu, China
| | - Maoyun Wang
- First Medical Center of PLA General Hospital – Department of Traditional Chinese Medicine – Beijing, China
| | - Shuai Meng
- First Medical Center of PLA General Hospital – Department of Traditional Chinese Medicine – Beijing, China
| | - Fang Ren
- First Medical Center of PLA General Hospital – Department of Traditional Chinese Medicine – Beijing, China
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5
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Zhang J, Li Y, Zhu F, Guo X, Huang Y. Time-/dose- series transcriptome data analysis and traditional Chinese medicine treatment of pneumoconiosis. Int J Biol Macromol 2024; 267:131515. [PMID: 38614165 DOI: 10.1016/j.ijbiomac.2024.131515] [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: 02/03/2024] [Revised: 04/07/2024] [Accepted: 04/09/2024] [Indexed: 04/15/2024]
Abstract
Pneumoconiosis' pathogenesis is still unclear and specific drugs for its treatment are lacking. Analysis of series transcriptome data often uses a single comparison method, and there are few reports on using such data to predict the treatment of pneumoconiosis with traditional Chinese medicine (TCM). Here, we proposed a new method for analyzing series transcriptomic data, series difference analysis (SDA), and applied it to pneumoconiosis. By comparison with 5 gene sets including existing pneumoconiosis-related genes and gene set functional enrichment analysis, we demonstrated that the new method was not inferior to two existing traditional analysis methods. Furthermore, based on the TCM-drug target interaction network, we predicted the TCM corresponding to the common pneumoconiosis-related genes obtained by multiple methods, and combined them with the high-frequency TCM for its treatment obtained through literature mining to form a new TCM formula for it. After feeding it to pneumoconiosis modeling mice for two months, compared with the untreated group, the coat color, mental state and tissue sections of the mice in the treated group were markedly improved, indicating that the new TCM formula has a certain efficacy. Our study provides new insights into method development for series transcriptomic data analysis and treatment of pneumoconiosis.
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Affiliation(s)
- Jifeng Zhang
- Key Laboratory of Industrial Dust Prevention and Control & Occupational Health and Safety, Ministry of Education, Anhui University of Science and Technology, Huainan, Anhui 232001, China; School of Biological Engineering & Institute of Digital Ecology and Health, Huainan Normal University, Huainan, China
| | - Yaobin Li
- Key Laboratory of Industrial Dust Prevention and Control & Occupational Health and Safety, Ministry of Education, Anhui University of Science and Technology, Huainan, Anhui 232001, China.
| | - Fenglin Zhu
- Key Laboratory of Industrial Dust Prevention and Control & Occupational Health and Safety, Ministry of Education, Anhui University of Science and Technology, Huainan, Anhui 232001, China
| | - Xiaodi Guo
- School of Biological Engineering & Institute of Digital Ecology and Health, Huainan Normal University, Huainan, China
| | - Yuqing Huang
- School of Biological Engineering & Institute of Digital Ecology and Health, Huainan Normal University, Huainan, China
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6
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Walsh D, Bevan J, Harrison F. How Does Airway Surface Liquid Composition Vary in Different Pulmonary Diseases, and How Can We Use This Knowledge to Model Microbial Infections? Microorganisms 2024; 12:732. [PMID: 38674677 PMCID: PMC11052052 DOI: 10.3390/microorganisms12040732] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 03/26/2024] [Accepted: 03/28/2024] [Indexed: 04/28/2024] Open
Abstract
Growth environment greatly alters many facets of pathogen physiology, including pathogenesis and antimicrobial tolerance. The importance of host-mimicking environments for attaining an accurate picture of pathogen behaviour is widely recognised. Whilst this recognition has translated into the extensive development of artificial cystic fibrosis (CF) sputum medium, attempts to mimic the growth environment in other respiratory disease states have been completely neglected. The composition of the airway surface liquid (ASL) in different pulmonary diseases is far less well characterised than CF sputum, making it very difficult for researchers to model these infection environments. In this review, we discuss the components of human ASL, how different lung pathologies affect ASL composition, and how different pathogens interact with these components. This will provide researchers interested in mimicking different respiratory environments with the information necessary to design a host-mimicking medium, allowing for better understanding of how to treat pathogens causing infection in these environments.
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Affiliation(s)
- Dean Walsh
- School of Life Sciences, University of Warwick, Coventry CV4 7AL, UK (F.H.)
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7
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Luo J, Li P, Dong M, Zhang Y, Lu S, Chen M, Zhou H, Lin N, Jiang H, Wang Y. SLC15A3 plays a crucial role in pulmonary fibrosis by regulating macrophage oxidative stress. Cell Death Differ 2024; 31:417-430. [PMID: 38374230 PMCID: PMC11043330 DOI: 10.1038/s41418-024-01266-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Revised: 01/31/2024] [Accepted: 02/02/2024] [Indexed: 02/21/2024] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a fatal and irreversible disease with few effective treatments. Alveolar macrophages (AMs) are involved in the development of IPF from the initial stages due to direct exposure to air and respond to external oxidative damage (a major inducement of pulmonary fibrosis). Oxidative stress in AMs plays an indispensable role in promoting fibrosis development. The oligopeptide histidine transporter SLC15A3, mainly expressed on the lysosomal membrane of macrophages and highly expressed in the lung, has proved to be involved in innate immune and antiviral signaling pathways. In this study, we demonstrated that during bleomycin (BLM)- or radiation-induced pulmonary fibrosis, the recruitment of macrophages induced an increase of SLC15A3 in the lung, and the deficiency of SLC15A3 protected mice from pulmonary fibrosis and maintained the homeostasis of the pulmonary microenvironment. Mechanistically, deficiency of SLC15A3 resisted oxidative stress in macrophages, and SLC15A3 interacted with the scaffold protein p62 to regulate its expression and phosphorylation activation, thereby regulating p62-nuclear factor erythroid 2-related factor 2 (NRF2) antioxidant stress pathway protein, which is related to the production of reactive oxygen species (ROS). Overall, our data provided a novel mechanism for targeting SLC15A3 to regulate oxidative stress in macrophages, supporting the therapeutic potential of inhibiting or silencing SLC15A3 for the precautions and treatment of pulmonary fibrosis.
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Affiliation(s)
- Jun Luo
- Laboratory of Pharmaceutical Analysis and Drug Metabolism, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Ping Li
- Laboratory of Pharmaceutical Analysis and Drug Metabolism, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
- Department of Clinical Pharmacy, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Hangzhou First People's Hospital, Hangzhou, China
| | - Minlei Dong
- Laboratory of Pharmaceutical Analysis and Drug Metabolism, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Yingqiong Zhang
- Laboratory of Pharmaceutical Analysis and Drug Metabolism, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Shuanghui Lu
- Laboratory of Pharmaceutical Analysis and Drug Metabolism, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Mingyang Chen
- Laboratory of Pharmaceutical Analysis and Drug Metabolism, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Hui Zhou
- Laboratory of Pharmaceutical Analysis and Drug Metabolism, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China
| | - Nengming Lin
- Department of Clinical Pharmacy, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Hangzhou First People's Hospital, Hangzhou, China
| | - Huidi Jiang
- Laboratory of Pharmaceutical Analysis and Drug Metabolism, College of Pharmaceutical Sciences, Zhejiang University, Hangzhou, China.
- Jinhua Institute of Zhejiang University, Jinhua, China.
| | - Yuqing Wang
- Translational Medicine Research Center, Key Laboratory of Clinical Cancer Pharmacology and Toxicology Research of Zhejiang Province, Hangzhou First People's Hospital, Hangzhou, China.
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Twidwell J, Mahon J, Tortorelis D, Levine L. Transdermal application of H100 gel to the penile shaft in patients with Peyronie's disease infiltrates the tunica albuginea. Int J Impot Res 2024; 36:107-109. [PMID: 38218956 DOI: 10.1038/s41443-023-00819-w] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 11/20/2023] [Accepted: 12/15/2023] [Indexed: 01/15/2024]
Abstract
Treatment options for Peyronie's disease (PD) remain limited. Topical H100 gel, (Hybrid Medical, Edina, USA), which contains nicardipine, super oxide dismutase and emu oil showed safety and efficacy in a previous small double-blind placebo-controlled pilot study. The present study evaluates if topically applied H100 gel applied to the penile shaft infiltrates the tunica albuginea. Nicardipine is a key active ingredient in H100 and serves as a surrogate marker. Three men already scheduled to undergo a planned surgical procedure for PD applied commercially available H100 gel twice daily to the penile shaft for up to 30 days prior to the procedure. Tunica albuginea samples were obtained at surgery. Nicardipine evaluation was performed using isotope dilution technique via liquid-chromatograph-mass spectrometry (LCMS). All three patients tolerated H100 gel application without side effects. All three tunica albuginea specimens showed detectable nicardipine in the tunical tissue. Transdermal application of commercially available H100 gel is able to penetrate the tunica albuginea tissue and is detectable in men with acute and chronic PD. This finding may support the encouraging results found in the prior H100 pilot study.
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Yılmaz Sezer İ, Koçak G, Tural R, Günal AÇ, Sepici Dinçel A. Environmental pollutant sodium omadine: toxic effects in zebra fish ( Danio rerio). Toxicol Mech Methods 2024; 34:256-261. [PMID: 37964616 DOI: 10.1080/15376516.2023.2279717] [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: 08/29/2023] [Accepted: 10/31/2023] [Indexed: 11/16/2023]
Abstract
In recent years one of the most striking results of over-population and consumption activities in the world is the rapid increase in environmental pollutants. Environmental pollutants, one of the harmful consequences of technological and modern life, threaten the health of people and other living organisms. In this study, we aimed to determine the effects of sodium omadine (NaOM) on superoxide dismutase enzyme (SOD) activity as an antioxidant and on 8-OHdG levels as oxidative DNA damage in zebrafish. Zebrafish, obtained from the aquarium fish producer, were stocked in experimental aquariums to ensure their adaptation period to the experimental conditions 15 days before the experiment. The fish were exposed to 1 ug/L and 5 ug/L concentrations of NaOM for 24, 72, and 96 h. SOD enzyme activity (U/100 mg tissue) and 8-OHdG (pg/100 mg tissue) were measured using commercial kits. The statistically significant differences in tissue SOD levels and data for DNA damage between the groups were determined as time and dose-dependent (p < 0.05). Biocidal products are environmental pollutants that cause changes in antioxidant enzyme activities, especially in non-target organisms. Marine pollution and the degradation of ecosystems directly affect people, and the results of the study offer awareness of health problems, environmental pollution, and marine pollution.
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Affiliation(s)
- İlknur Yılmaz Sezer
- Department of Environmental Sciences, Institute of Natural and Applied Sciences, Gazi University, Ankara, Türkiye
| | - Gülsüm Koçak
- Department of Environmental Sciences, Institute of Natural and Applied Sciences, Gazi University, Ankara, Türkiye
| | - Rabia Tural
- Health Services Vocational School, Sinop University, Sinop, Türkiye
| | - Aysel Çağlan Günal
- Gazi Education Faculty, Mathematics and Science Education, Biology Education, Gazi University, Ankara, Türkiye
| | - Aylin Sepici Dinçel
- Department of Medical Biochemistry, Faculty of Medicine, Gazi University, Ankara, Türkiye
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Guo P, An X, Pan X, Xu J, Wu X, Zheng Y, Dong F. Rational understanding of chiral fungicide penthiopyrad stereoselectivity: Bioactivity, aquatic toxicity and cytotoxicity. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 905:166969. [PMID: 37699492 DOI: 10.1016/j.scitotenv.2023.166969] [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: 06/13/2023] [Revised: 09/06/2023] [Accepted: 09/08/2023] [Indexed: 09/14/2023]
Abstract
Penthiopyrad is a novel chiral succinate dehydrogenase inhibitor (SDHI) fungicide with two enantiomers. However, enantioselective information on the biological activity, nontarget organisms and human health risk of penthiopyrad is not comprehensive, which may cause inaccurate risk assessment. In this study, the enantioselective bioactivity to three kinds of phytopathogens (Rhizoctonia solani, Botrytis cinerea and Sclerotinia sclerotiorum) was first disclosed, and the antifungal activity of S-(+)-penthiopyrad was higher than that of R-(-)-penthiopyrad by 12-37 times. Moreover, its enantioselective toxicity to Raphidocelis subcapitata and Daphnia magna was also clarified, and the order of toxicity was S-(+)-penthiopyrad > rac-penthiopyrad >R-(-)-penthiopyrad, with 1.8- and 5.3-fold differences between the two enantiomers. Furthermore, the enantioselectivity of penthiopyrad on HepG2 cytotoxicity was studied. The data showed that the cytotoxicity of S-(+)-penthiopyrad was 1.8 times higher than that of R-(-)-penthiopyrad, and S-(+)-penthiopyrad had a stronger impact on cell proliferation, oxidative stress and lipid peroxidation. In summary, due to the enantioselectivity of the activity and toxicity of the chiral pesticide, the efficacy and risk evaluation of penthiopyrad should be considered at the enantiomer level.
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Affiliation(s)
- Peilin Guo
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Xiaokang An
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Xinglu Pan
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Jun Xu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Xiaohu Wu
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China
| | - Yongquan Zheng
- Colleage of Plant Health and Medicine, Key Lab of Integrated Crop Disease and Pest Management of Shan-dong Province, Qingdao Agricultural University, Qingdao 266109, China
| | - Fengshou Dong
- State Key Laboratory for Biology of Plant Diseases and Insect Pests, Institute of Plant Protection, Chinese Academy of Agricultural Sciences, Beijing 100193, PR China.
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El-Kashef DH, Rahim MA. Levocetrizine attenuates cyclophosphamide-induced lung injury through inhibition of TNF-α, IL-1β, TGF-β and MMP-9. BMC Pharmacol Toxicol 2023; 24:76. [PMID: 38082292 PMCID: PMC10712110 DOI: 10.1186/s40360-023-00717-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Accepted: 11/30/2023] [Indexed: 12/18/2023] Open
Abstract
Cyclophosphamide (CP) is an antineoplastic drug commonly used worldwide. Despite its spread, it causes fatal organ toxicity. Lung toxicity is a serious side effect of CP. Actually, in the past three years the world has been facing an un-predicted crisis following COVID-19 pandemic and the associated high-mortality rates attributed to respiratory distress. Accordingly; this study aimed to probe the potential prophylactic role of levocetrizine against CP-induced lung injury. Animals were allocated into three sets; control; CP and CP/Levo. CP was intraperitoneally injected in rats 150 mg/kg once on day 7. Levocetrizine was given orally for 14 days starting 7 days before CP injection. On the last day, all rats were sacrificed and lung tissues were kept for analysis. CP significantly elevated lung/body weight index, inflammatory cell counts, LDH, total protein, TNF-α, IL-1β, TGF-β and histamine levels in bronchoalveolar lavage (BAL). Moreover, it markedly increased expression of MMP-9 and contents of MDA, hydroxyproline, collagen and NOx besides decreasing GSH level and SOD activity in lung tissues. These biochemical results were further confirmed by histopathological examination. In contrast, treatment with levocetrizine significantly attenuated CP-induced pathological alterations. These findings propose that levocetrizine can attenuate CP-induced lung injury via exerting antioxidant, anti-inflammatory and anti-fibrotic effects.
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Affiliation(s)
- Dalia H El-Kashef
- Department of Pharmacology and Toxicology, Faculty of Pharmacy, Mansoura University, Mansoura, 35516, Egypt.
| | - Mona Abdel Rahim
- Urology and Nephrology center, Faculty of Medicine, Mansoura University, Mansoura, Egypt
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Wu XY, Wang FY, Chen HX, Dong HL, Zhao ZQ, Si LF. Chronic heat stress induces lung injury in broiler chickens by disrupting the pulmonary blood-air barrier and activating TLRs/NF-κB signaling pathway. Poult Sci 2023; 102:103066. [PMID: 37769490 PMCID: PMC10539940 DOI: 10.1016/j.psj.2023.103066] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 08/20/2023] [Accepted: 08/22/2023] [Indexed: 10/02/2023] Open
Abstract
As an important respiratory organ, the lung is susceptible to damage during heat stress due to the accelerated breathing frequency caused by an increase in environmental temperature. This can affect the growth performance of animals and endanger their health. This study aimed to explore the mechanism of lung tissue damage caused by heat stress. Broilers were randomly divided into a control group (Control) and a heat stress group (HS). The HS group was exposed to 35°C heat stress for 12 h per d from 21-days old, and samples were taken from selected broilers at 28, 35, and 42-days old. The results showed a significant increase in lactate dehydrogenase (LDH) activity in the serum and myeloperoxidase (MPO) activity in the lungs of broiler chickens across all 3 age groups after heat stress (P < 0.01), while the total antioxidant capacity (T-AOC) was significantly enhanced at 35-days old (P < 0.01). Heat stress also led to significant increases in various proinflammatory factors in serum and expression levels of HSP60 and HSP70 in lung tissue. Histopathological results showed congestion and bleeding in lung blood vessels, shedding of pulmonary epithelial cells, and a large amount of inflammatory infiltration in the lungs after heat stress. The mRNA expression of TLRs/NF-κB-related genes showed an upward trend (P < 0.05) after heat stress, while the mRNA expression of MLCK, a gene related to pulmonary blood-air barrier, significantly increased after heat stress, and the expression levels of MLC, ZO-1, and occludin decreased in contrast. This change was also confirmed by Western blotting, indicating that the pulmonary blood-air barrier is damaged after heat stress. Heat stress can cause damage to the lung tissue of broiler chickens by disrupting the integrity of the blood-air barrier and increasing permeability. This effect is further augmented by the activation of TLRs/NF-κB signaling pathways leading to an intensified inflammatory response. As heat stress duration progresses, broiler chickens develop thermotolerance, which gradually mitigates the damaging effects induced by heat stress.
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Affiliation(s)
- Xing-Yue Wu
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471000, PR China
| | - Fei-Yao Wang
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471000, PR China
| | - Hao-Xiang Chen
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471000, PR China
| | - Hui-Li Dong
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471000, PR China
| | - Zhan-Qin Zhao
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471000, PR China
| | - Li-Fang Si
- College of Animal Science and Technology, Henan University of Science and Technology, Luoyang 471000, PR China.
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13
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Khan F, Chen Y, Hartwell HJ, Yan J, Lin YH, Freedman A, Zhang Z, Zhang Y, Lambe AT, Turpin BJ, Gold A, Ault AP, Szmigielski R, Fry RC, Surratt JD. Heterogeneous Oxidation Products of Fine Particulate Isoprene Epoxydiol-Derived Methyltetrol Sulfates Increase Oxidative Stress and Inflammatory Gene Responses in Human Lung Cells. Chem Res Toxicol 2023; 36:1814-1825. [PMID: 37906555 DOI: 10.1021/acs.chemrestox.3c00278] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
Hydroxyl radical (·OH)-initiated oxidation of isoprene, the most abundant nonmethane hydrocarbon in the atmosphere, is responsible for substantial amounts of secondary organic aerosol (SOA) within ambient fine particles. Fine particulate 2-methyltetrol sulfate diastereoisomers (2-MTSs) are abundant SOA products formed via acid-catalyzed multiphase chemistry of isoprene-derived epoxydiols with inorganic sulfate aerosols under low-nitric oxide conditions. We recently demonstrated that heterogeneous ·OH oxidation of particulate 2-MTSs leads to the particle-phase formation of multifunctional organosulfates (OSs). However, it remains uncertain if atmospheric chemical aging of particulate 2-MTSs induces toxic effects within human lung cells. We show that inhibitory concentration-50 (IC50) values decreased from exposure to fine particulate 2-MTSs that were heterogeneously aged for 0 to 22 days by ·OH, indicating increased particulate toxicity in BEAS-2B lung cells. Lung cells further exhibited concentration-dependent modulation of oxidative stress- and inflammatory-related gene expression. Principal component analysis was carried out on the chemical mixtures and revealed positive correlations between exposure to aged multifunctional OSs and altered expression of targeted genes. Exposure to particulate 2-MTSs alone was associated with an altered expression of antireactive oxygen species (ROS)-related genes (NQO-1, SOD-2, and CAT) indicative of a response to ROS in the cells. Increased aging of particulate 2-MTSs by ·OH exposure was associated with an increased expression of glutathione pathway-related genes (GCLM and GCLC) and an anti-inflammatory gene (IL-10).
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Affiliation(s)
- Faria Khan
- Institute of Physical Chemistry,Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Yuzhi Chen
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Hadley J Hartwell
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Jin Yan
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Ying-Hsuan Lin
- Department of Environmental Sciences, University of California, Riverside, California 92521, United States
| | - Anastasia Freedman
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Zhenfa Zhang
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Yue Zhang
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Department of Atmospheric Sciences, Texas A&M University, College Station Texas 77843, United States
| | - Andrew T Lambe
- Aerodyne Research Inc, Billerica, Massachusetts 01821, United States
| | - Barbara J Turpin
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Avram Gold
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Andrew P Ault
- Department of Chemistry, College of Literature, Science, and the Arts, University of Michigan, Ann Arbor, Michigan 48109, United States
| | - Rafal Szmigielski
- Institute of Physical Chemistry,Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Rebecca C Fry
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
| | - Jason D Surratt
- Department of Environmental Sciences and Engineering, Gillings School of Global Public Health, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
- Department of Chemistry, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina 27599, United States
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14
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Xie W, Deng L, Lin M, Huang X, Qian R, Xiong D, Liu W, Tang S. Sirtuin1 Mediates the Protective Effects of Echinacoside against Sepsis-Induced Acute Lung Injury via Regulating the NOX4-Nrf2 Axis. Antioxidants (Basel) 2023; 12:1925. [PMID: 38001778 PMCID: PMC10669561 DOI: 10.3390/antiox12111925] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/11/2023] [Revised: 10/18/2023] [Accepted: 10/23/2023] [Indexed: 11/26/2023] Open
Abstract
Currently, the treatment for sepsis-induced acute lung injury mainly involves mechanical ventilation with limited use of drugs, highlighting the urgent need for new therapeutic options. As a pivotal aspect of acute lung injury, the pathologic activation and apoptosis of endothelial cells related to oxidative stress play a crucial role in disease progression, with NOX4 and Nrf2 being important targets in regulating ROS production and clearance. Echinacoside, extracted from the traditional Chinese herbal plant Cistanche deserticola, possesses diverse biological activities. However, its role in sepsis-induced acute lung injury remains unexplored. Moreover, although some studies have demonstrated the regulation of NOX4 expression by SIRT1, the specific mechanisms are yet to be elucidated. Therefore, this study aimed to investigate the effects of echinacoside on sepsis-induced acute lung injury and oxidative stress in mice and to explore the intricate regulatory mechanism of SIRT1 on NOX4. We found that echinacoside inhibited sepsis-induced acute lung injury and oxidative stress while preserving endothelial function. In vitro experiments demonstrated that echinacoside activated SIRT1 and promoted its expression. The activated SIRT1 was competitively bound to p22 phox, inhibiting the activation of NOX4 and facilitating the ubiquitination and degradation of NOX4. Additionally, SIRT1 deacetylated Nrf2, promoting the downstream expression of antioxidant enzymes, thus enhancing the NOX4-Nrf2 axis and mitigating oxidative stress-induced endothelial cell pathologic activation and mitochondrial pathway apoptosis. The SIRT1-mediated anti-inflammatory and antioxidant effects of echinacoside were validated in vivo. Consequently, the SIRT1-regulated NOX4-Nrf2 axis may represent a crucial target for echinacoside in the treatment of sepsis-induced acute lung injury.
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Affiliation(s)
| | | | | | | | | | | | - Wei Liu
- Xiangya Nursing School, Central South University, Changsha 410013, China; (W.X.); (L.D.); (M.L.); (X.H.); (R.Q.); (D.X.)
| | - Siyuan Tang
- Xiangya Nursing School, Central South University, Changsha 410013, China; (W.X.); (L.D.); (M.L.); (X.H.); (R.Q.); (D.X.)
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15
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Callejón-Leblic B, Sánchez Espirilla S, Gotera-Rivera C, Santana R, Díaz-Olivares I, Marín JM, Macario CC, Cosio BG, Fuster A, García IS, de-Torres JP, Feu Collado N, Cabrera Lopez C, Amado Diago C, Romero Plaza A, Fraysse LAP, Márquez Martín E, Marín Royo M, Balcells Vilarnau E, Llunell Casanovas A, Martínez González C, Galdíz Iturri JB, Lacárcel Bautista C, Gómez-Ariza JL, Pereira-Vega A, Seijo L, López-Campos JL, Peces-Barba G, García-Barrera T. Metallomic Signatures of Lung Cancer and Chronic Obstructive Pulmonary Disease. Int J Mol Sci 2023; 24:14250. [PMID: 37762552 PMCID: PMC10532173 DOI: 10.3390/ijms241814250] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2023] [Revised: 09/07/2023] [Accepted: 09/08/2023] [Indexed: 09/29/2023] Open
Abstract
Lung cancer (LC) is the leading cause of cancer deaths, and chronic obstructive pulmonary disease (COPD) can increase LC risk. Metallomics may provide insights into both of these tobacco-related diseases and their shared etiology. We conducted an observational study of 191 human serum samples, including those of healthy controls, LC patients, COPD patients, and patients with both COPD and LC. We found 18 elements (V, Al, As, Mn, Co, Cu, Zn, Cd, Se, W, Mo, Sb, Pb, Tl, Cr, Mg, Ni, and U) in these samples. In addition, we evaluated the elemental profiles of COPD cases of varying severity. The ratios and associations between the elements were also studied as possible signatures of the diseases. COPD severity and LC have a significant impact on the elemental composition of human serum. The severity of COPD was found to reduce the serum concentrations of As, Cd, and Tl and increased the serum concentrations of Mn and Sb compared with healthy control samples, while LC was found to increase Al, As, Mn, and Pb concentrations. This study provides new insights into the effects of LC and COPD on the human serum elemental profile that will pave the way for the potential use of elements as biomarkers for diagnosis and prognosis. It also sheds light on the potential link between the two diseases, i.e., the evolution of COPD to LC.
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Affiliation(s)
- Belén Callejón-Leblic
- Department of Chemistry, Research Center for Natural Resources, Health and the Environment (RENSMA), Faculty of Experimental Sciences, University of Huelva, Campus El Carmen, Fuerzas Armadas Ave., 21007 Huelva, Spain; (B.C.-L.); (S.S.E.); (J.L.G.-A.)
| | - Saida Sánchez Espirilla
- Department of Chemistry, Research Center for Natural Resources, Health and the Environment (RENSMA), Faculty of Experimental Sciences, University of Huelva, Campus El Carmen, Fuerzas Armadas Ave., 21007 Huelva, Spain; (B.C.-L.); (S.S.E.); (J.L.G.-A.)
- Department of Chemistry, Faculty of Sciences, National University of San Antonio Abad of Cusco, Av. de La Cultura, Cusco 773, Peru
| | - Carolina Gotera-Rivera
- IIS-Jiménez Díaz Foundation, ISCIII-CIBERES, Reyes Católicos Ave., 28040 Madrid, Spain; (C.G.-R.); (R.S.)
| | - Rafael Santana
- IIS-Jiménez Díaz Foundation, ISCIII-CIBERES, Reyes Católicos Ave., 28040 Madrid, Spain; (C.G.-R.); (R.S.)
| | - Isabel Díaz-Olivares
- Beturia Andalusian Foundation for Health Research (FABIS), Ronda Norte, s/n, 21005 Huelva, Spain;
| | - José M. Marín
- Miguel Servet Hospital-IIS Aragon, ISCIII-CIBERES, Paseo de Isabel la Católica, 1-3, 50009 Zaragoza, Spain;
| | - Ciro Casanova Macario
- Pulmonary Department—Research Unit, Hospital Universitario Nuestra Señora de Candelaria, CIBERES, ISCIII, Universidad de La Laguna, Padre Herrera, s/n, 38200 Santa Cruz de Tenerife, Spain;
| | - Borja García Cosio
- Son Espases Hospital, IdISBa, ISCIII-CIBERES, Valldemossa Road, 79, 07120 Palma De Mallorca, Spain;
| | - Antonia Fuster
- Son Llàtzer Hospital, C. de Manacor, 07198 Palma, Spain;
| | - Ingrid Solanes García
- Santa Creu i Sant Pau Hospital, Carrer de St. Antoni Maria Claret, 167, 08025 Barcelona, Spain;
| | - Juan P. de-Torres
- University Clinic of Navarra, Pío XII Ave., 36, 31008 Pamplona, Spain;
| | - Nuria Feu Collado
- Reina Sofía Hospital, Maimonides Institute for Biomedical Research of Córdoba, Menéndez Pidal Ave., s/n, 14004 Córdoba, Spain;
| | - Carlos Cabrera Lopez
- University Hospital of Gran Canaria Dr. Negrín, Respiratory Service, C. Pl. Barranco de la Ballena, s/n, 35010 Las Palmas de Gran Canarias, Spain;
| | | | | | | | - Eduardo Márquez Martín
- Virgen del Rocío Hospital, Institute of Biomedicine of Seville (IBiS), ISCIII-CIBERES, Manuel Siurot Ave., s/n, 41013 Seville, Spain;
| | | | - Eva Balcells Vilarnau
- Hospital del Mar, ISCIII-CIBERES, Paseo Marítimo de la Barceloneta, 25, 29, 08003 Barcelona, Spain;
| | | | | | | | | | - José Luis Gómez-Ariza
- Department of Chemistry, Research Center for Natural Resources, Health and the Environment (RENSMA), Faculty of Experimental Sciences, University of Huelva, Campus El Carmen, Fuerzas Armadas Ave., 21007 Huelva, Spain; (B.C.-L.); (S.S.E.); (J.L.G.-A.)
| | - Antonio Pereira-Vega
- Pneumology Area of the Juan Ramón Jiménez Hospital, Ronda Norte, s/n, 21005 Huelva, Spain; (L.A.P.F.); (A.P.-V.)
| | - Luis Seijo
- University Clinic of Navarra, ISCIII-CIBERES, Monforte de Lemos Ave., 28029 Madrid, Spain;
| | - José Luis López-Campos
- Medical-Surgical Unit for Respiratory Diseases, Institute of Biomedicine of Seville (IBiS), Virgen del Rocío University Hospital, University of Seville, Manuel Siurot Ave., s/n, 41013 Sevilla, Spain;
- Center for Biomedical Research in Respiratory Diseases Network (CIBERES), Carlos III Health Institute, Av. de Monforte de Lemos, 3–5, 28029 Madrid, Spain
| | - Germán Peces-Barba
- IIS-Jiménez Díaz Foundation, ISCIII-CIBERES, Reyes Católicos Ave., 28040 Madrid, Spain; (C.G.-R.); (R.S.)
| | - Tamara García-Barrera
- Department of Chemistry, Research Center for Natural Resources, Health and the Environment (RENSMA), Faculty of Experimental Sciences, University of Huelva, Campus El Carmen, Fuerzas Armadas Ave., 21007 Huelva, Spain; (B.C.-L.); (S.S.E.); (J.L.G.-A.)
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16
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Zhang Z, Chen D, Du K, Huang Y, Li X, Li Q, Lv X. MOTS-c: A potential anti-pulmonary fibrosis factor derived by mitochondria. Mitochondrion 2023:S1567-7249(23)00052-1. [PMID: 37307934 DOI: 10.1016/j.mito.2023.06.002] [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: 11/06/2022] [Revised: 05/16/2023] [Accepted: 06/02/2023] [Indexed: 06/14/2023]
Abstract
Pulmonary fibrosis (PF) is a serious lung disease characterized by diffuse alveolitis and disruption of alveolar structure, with a poor prognosis and unclear etiopathogenesis. While ageing, oxidative stress, metabolic disorders, and mitochondrial dysfunction have been proposed as potential contributors to the development of PF, effective treatments for this condition remain elusive. However, Mitochondrial open reading frame of the 12S rRNA-c (MOTS-c), a peptide encoded by the mitochondrial genome, has shown promising effects on glucose and lipid metabolism, cellular and mitochondrial homeostasis, as well as the reduction of systemic inflammatory responses, and is being investigated as a potential exercise mimetic. Additionally, dynamic expression changes of MOTS-c have been closely linked to ageing and ageing-related diseases, indicating its potential as an exercise mimetic. Therefore, the review aims to comprehensively analyze the available literature on the potential role of MOTS-c in improving PF development and to identify specific therapeutic targets for future treatment strategies.
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Affiliation(s)
- Zewei Zhang
- School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, Fujian 350004, China
| | - Dongmei Chen
- Department of Laboratory Medicine, The First Affiliated Hospital of Fujian Medical University, Fuzhou, Fujian 350005, China
| | - Kaili Du
- School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, Fujian 350004, China
| | - Yaping Huang
- School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, Fujian 350004, China
| | - Xingzhe Li
- School of Medical Technology and Engineering, Fujian Medical University, Fuzhou, Fujian 350004, China
| | - Quwen Li
- Department of Fujian Zoonosis Research Key Laboratory, Fujian Center for Disease Control and Prevention, Fuzhou, Fujian 350001, China
| | - Xiaoting Lv
- Department of respiratory and critical care medicine, First Affiliated Hospital of Fujian Medical University, Fuzhou, 350005, China; Department of respiratory and critical care medicine, National Regional Medical Center, Binhai Campus of the First Affiliated Hospital, Fujian Medical University, Fuzhou 350212, China; Institute of Respiratory Disease, Fujian Medical University, Fuzhou, 350005, China.
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17
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Sun HN, Ren CX, Lee DH, Wang WH, Guo XY, Hao YY, Wang XM, Zhang HN, Xiao WQ, Li N, Cong J, Han YH, Kwon T. PRDX1 negatively regulates bleomycin-induced pulmonary fibrosis via inhibiting the epithelial-mesenchymal transition and lung fibroblast proliferation in vitro and in vivo. Cell Mol Biol Lett 2023; 28:48. [PMID: 37268886 DOI: 10.1186/s11658-023-00460-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 05/12/2023] [Indexed: 06/04/2023] Open
Abstract
BACKGROUND Pulmonary fibrosis is a major category of end-stage changes in lung diseases, characterized by lung epithelial cell damage, proliferation of fibroblasts, and accumulation of extracellular matrix. Peroxiredoxin 1 (PRDX1), a member of the peroxiredoxin protein family, participates in the regulation of the levels of reactive oxygen species in cells and various other physiological activities, as well as the occurrence and development of diseases by functioning as a chaperonin. METHODS Experimental methods including MTT assay, morphological observation of fibrosis, wound healing assay, fluorescence microscopy, flow cytometry, ELISA, western blot, transcriptome sequencing, and histopathological analysis were used in this study. RESULTS PRDX1 knockdown increased ROS levels in lung epithelial cells and promoted epithelial-mesenchymal transition (EMT) through the PI3K/Akt and JNK/Smad signalling pathways. PRDX1 knockout significantly increased TGF-β secretion, ROS production, and cell migration in primary lung fibroblasts. PRDX1 deficiency also increased cell proliferation, cell cycle circulation, and fibrosis progression through the PI3K/Akt and JNK/Smad signalling pathways. BLM treatment induced more severe pulmonary fibrosis in PRDX1-knockout mice, mainly through the PI3K/Akt and JNK/Smad signalling pathways. CONCLUSIONS Our findings strongly suggest that PRDX1 is a key molecule in BLM-induced lung fibrosis progression and acts through modulating EMT and lung fibroblast proliferation; therefore, it may be a therapeutic target for the treatment of BLM-induced lung fibrosis.
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Affiliation(s)
- Hu-Nan Sun
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Xingyang Road #2, Daqing, 163319, Heilongjiang, China.
| | - Chen-Xi Ren
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Xingyang Road #2, Daqing, 163319, Heilongjiang, China
| | - Dong Hun Lee
- Department of Biological Sciences, Research Center of Ecomimetics, Chonnam National University, 77 Yongbong-Ro, Buk-Gu, Gwangju, 61186, Republic of Korea
| | - Wei-Hao Wang
- National Coarse Cereals Engineering Research Center, Heilongjiang Bayi Agricultural University, Daqing, 163319, China
| | - Xiao-Yu Guo
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Xingyang Road #2, Daqing, 163319, Heilongjiang, China
| | - Ying-Ying Hao
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Xingyang Road #2, Daqing, 163319, Heilongjiang, China
| | - Xiao-Ming Wang
- Yabian Academy of Agricultural Science, Longjing, Jilin, 1334000, China
| | - Hui-Na Zhang
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Xingyang Road #2, Daqing, 163319, Heilongjiang, China
| | - Wan-Qiu Xiao
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Xingyang Road #2, Daqing, 163319, Heilongjiang, China
| | - Nan Li
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Xingyang Road #2, Daqing, 163319, Heilongjiang, China
| | - Jie Cong
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Xingyang Road #2, Daqing, 163319, Heilongjiang, China
| | - Ying-Hao Han
- Stem Cell and Regenerative Biology Laboratory, College of Life Science & Biotechnology, Heilongjiang Bayi Agricultural University, Xingyang Road #2, Daqing, 163319, Heilongjiang, China.
| | - Taeho Kwon
- Primate Resources Center, Korea Research Institute of Bioscience and Biotechnology (KRIBB), 351-33 Neongme-Gil, Ibam-Myeon, Jeongeup-Si, Jeonbuk, 56216, Republic of Korea.
- Department of Functional Genomics, KRIBB School of Bioscience, University of Science and Technology, Daejeon, 34113, Republic of Korea.
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18
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Abosrea AM, Aboul Ezz HS, Mahmoud SM, Mousa MR, Ahmed NA. The potential role of pumpkin seeds oil on methotrexate-induced lung toxicity. Sci Rep 2023; 13:7321. [PMID: 37147356 PMCID: PMC10162995 DOI: 10.1038/s41598-023-34143-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Accepted: 04/25/2023] [Indexed: 05/07/2023] Open
Abstract
Many chemotherapeutic drugs cause adverse pulmonary reactions leading to severe pulmonary disease. Though methotrexate (MTX) is used for the treatment of cancer and other diseases, it is highly toxic with multiple adverse effects including pulmonary toxicity. Essential oils represent an open frontier for pharmaceutical sciences due to their wide range of pharmacological properties. Pumpkin seeds oil (PSO) was used to investigate its ability to alleviate methotrexate-induced lung toxicity in rats. Lung tissue from MTX-treated group revealed a decrease in malondialdehyde, glutathione, and nitric oxide accompanied by a marked inhibition in cholinesterase activity, and enhanced catalase activity, tumor necrosis factor-α, interleukin-6 and vascular endothelial growth factor levels. Analysis of PSO revealed that the oil was rich in hexadecanoic acid, decane methyl esters, squalene, polydecane, docosane, and other derivatives. Administration of PSO ameliorated the oxidant/antioxidant and proinflammatory changes induced by MTX in the lung tissue. Histological examinations confirmed the potency of PSO in reducing the histopathological alterations induced by MTX. Immunohistochemical analysis showed decreased nuclear factor-kappa B and caspase 3 expression after PSO. The present data indicated the protective efficiency of PSO against MTX-induced lung injury by decreasing oxidative damage, inflammation and apoptosis and could thus be recommended as an adjuvant therapy.
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Affiliation(s)
- Aya M Abosrea
- Department of Zoology, Faculty of Science, Cairo University, Giza, Egypt
| | - Heba S Aboul Ezz
- Department of Zoology, Faculty of Science, Cairo University, Giza, Egypt.
| | - Sahar M Mahmoud
- Department of Zoology, Faculty of Science, Cairo University, Giza, Egypt
| | - Mohamed R Mousa
- Department of Pathology, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - Nawal A Ahmed
- Department of Zoology, Faculty of Science, Cairo University, Giza, Egypt
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19
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Li X, Li Y, Yu C, Bao H, Cheng S, Huang J, Zhang Z. ROS-Responsive Janus Au/Mesoporous Silica Core/Shell Nanoparticles for Drug Delivery and Long-Term CT Imaging Tracking of MSCs in Pulmonary Fibrosis Treatment. ACS NANO 2023; 17:6387-6399. [PMID: 36946383 DOI: 10.1021/acsnano.2c11112] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Mesenchymal stem cell (MSC) therapy has been proven to be a potentially effective approach for idiopathic pulmonary fibrosis (IPF) treatment. However, this strategy is currently limited by the poor curative effect and an insufficient comprehension of the in vivo condition of the transplanted MSCs in the remedy of IPF. To address these issues, herein, a nanosystem composed of Janus Au/mesoporous silica core/shell nanoparticles (Janus NPs) is designed for effective therapeutic and real-time tracing of MSCs in MSC-based IPF therapy. The Janus NPs consist of a Au core and a pirfenidone (PFD)-loaded mesoporous silica shell asymmetrically decorated with two targeting moieties: one is reactive oxygen species (ROS)-sensitive thioketal grafted methoxy poly(ethylene glycol) (mPEG-TK), and the other is 1,2-distearoyl-sn-glycero-3-phosphoethanolamine (DSPE). The asymmetric decoration on each side of the particle allows long-term anchoring of the Janus NPs on the cell membrane to facilitate the responsive release of PFD in the ROS environment of the fibrotic lung, thereby enhancing the therapeutic efficacy of the transplanted MSCs by improving the microenvironment. Following drug release, the Janus NPs quickly enter into MSCs, achieving long-term computed tomography (CT) imaging tracing of MSCs in IPF model mice for an in-depth comprehension of the cell therapy mechanism. Overall, this work reports on Janus Au/PFD-loaded mesoporous silica core/shell NPs that combine the drug delivery and imaging tracking of MSCs, which may provide a strategy for the stem cell-based treatment of IPF.
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Affiliation(s)
- Xiaodi Li
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Yuxuan Li
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Chenggong Yu
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Hongying Bao
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Shengnan Cheng
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Jie Huang
- School of Nano-Tech and Nano-Bionics, University of Science and Technology of China, Hefei 230026, China
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
| | - Zhijun Zhang
- CAS Key Laboratory of Nano-Bio Interface, Division of Nanobiomedicine, Suzhou Institute of Nano-Tech and Nano-Bionics, Chinese Academy of Sciences, Suzhou 215123, China
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20
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Ding L, Yang Y, Wang Z, Su H, Li Y, Ma J, Bao T, Qi H, Song S, Li J, Zhao J, Wang Z, Zhao D, Li X, Zhao L, Tong X. Qimai Feiluoping decoction inhibits mitochondrial complex I-mediated oxidative stress to ameliorate bleomycin-induced pulmonary fibrosis. PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2023; 112:154707. [PMID: 36805483 DOI: 10.1016/j.phymed.2023.154707] [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: 10/04/2022] [Revised: 01/15/2023] [Accepted: 02/05/2023] [Indexed: 06/18/2023]
Abstract
BACKGROUND Qimai Feiluoping decoction (QM), a Traditional Chinese Medicine formula, has been included in rehabilitation program for functional disorders of discharged COVID-19 patients. QM has been proved to effectively improve the clinical symptoms and imaging signs of PF in COVID-19 convalescent patients. PURPOSE This study to explore the pharmacological effect of QM against PF from the perspectives of imaging, pathological staining, and molecular mechanisms, and identify possible active components. METHODS Micro-CT imaging and immunohistochemical staining were investigated to verify the therapeutic effect of QM in the bleomycin (BLM)-induced PF mouse model. The 4D-label-free proteomics analysis of lung tissues was then conducted to explore the novel mechanisms of QM against PF, which were further validated by a series of experiments. The possible components of QM in plasma and lung tissues were identified with UHPLC/IM-QTOF-MS analysis. RESULTS The results from micro-CT imaging and pathological staining revealed that QM treatment can inhibit BLM-induced lung injury, extracellular matrix accumulation and TGF-β expression in the mouse model with PF. The 4D-label-free proteomics analysis demonstrated that the partial subunit proteins of mitochondrial complex I and complex II might be potential targets of QM against PF. Furthermore, QM treatment can inhibit BLM-induced mitochondrial ROS content to promote ATP production and decrease oxidative stress injury in the mouse and cell models of PF, which was mediated by the inhibition of mitochondrial complex I. Finally, a total of 13 protype compounds and 15 metabolites from QM in plasma and lung tissues were identified by UHPLC/IM-QTOF-MS, and liquiritin and isoliquiritigenin from Glycyrrhizae radix et rhizoma could be possible active compounds against PF. CONCLUSION It concludes that QM treatment could treat PF by inhibiting mitochondrial complex I-mediated mitochondrial oxidated stress injury, which could offer new insights into the pharmacological mechanisms of QM in the clinical application of PF patients.
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Affiliation(s)
- Lu Ding
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Yingying Yang
- National Center for Integrated Traditional and Western Medicine, China-Japan Friendship Hospital, Beijing China; Graduate College, Beijing University of Chinese Medicine, Beijing, China
| | - Zeyu Wang
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Hang Su
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Yaxin Li
- College of Integrated Traditional Chinese and Western Medicine, Changchun University of Chinese Medicine, Changchun 130017, China
| | - Jing Ma
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Tingting Bao
- Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China
| | - Hongyu Qi
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Siyu Song
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Jing Li
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Jiachao Zhao
- College of Integrated Traditional Chinese and Western Medicine, Changchun University of Chinese Medicine, Changchun 130017, China
| | - Ziyuan Wang
- College of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Daqing Zhao
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China
| | - Xiangyan Li
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China.
| | - Linhua Zhao
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China; Institute of Metabolic Diseases, Guang'anmen Hospital, China Academy of Chinese Medical Sciences, Beijing 100053, China.
| | - Xiaolin Tong
- Northeast Asia Research Institute of Traditional Chinese Medicine, Changchun University of Chinese Medicine, Changchun 130021, China.
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21
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McCarthy SD, Rohde CB, Angel M, Masterson CH, MacLoughlin R, Fandiño J, González HE, Byrnes D, Laffey JG, O'Toole D. Aerosolized Pulmonary Delivery of mRNA Constructs Attenuates Severity of Escherichia coli Pneumonia in the Rat. Nucleic Acid Ther 2023; 33:148-158. [PMID: 36811461 PMCID: PMC10066785 DOI: 10.1089/nat.2022.0049] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/24/2023] Open
Abstract
Acute respiratory distress syndrome (ARDS), a rapid onset inflammatory lung disease with no effective specific therapy, typically has pathogenic etiology termed pneumonia. In previous studies nuclear factor-κB (NF-κB) inhibitor α super-repressor (IκBα-SR) and extracellular superoxide dismutase 3 (SOD3) reduced pneumonia severity when prophylactically delivered by viral vector. In this study, mRNA coding for green fluorescent protein, IκBα-SR, or SOD3 was complexed with cationic lipid, passed through a vibrating mesh nebulizer, and delivered to cell culture or directly to rats undergoing Escherichia coli pneumonia. Injury level was then assessed at 48 h. In vitro, expression was observed as early as 4 h in lung epithelial cells. IκBα-SR and wild-type IκBα mRNAs attenuated inflammatory markers, while SOD3 mRNA induced protective and antioxidant effects. In rat E. coli pneumonia, IκBα-SR mRNA reduced arterial carbon dioxide (pCO2) and reduced lung wet/dry ratio. SOD3 mRNA improved static lung compliance and alveolar-arterial oxygen gradient (AaDO2) and decreased bronchoalveolar lavage (BAL) bacteria load. White cell infiltration and inflammatory cytokine concentrations in BAL and serum were reduced by both mRNA treatments compared to scrambled mRNA controls. These findings indicate nebulized mRNA therapeutics are a promising approach to ARDS therapy, with rapid expression of protein and observable amelioration of pneumonia symptoms.
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Affiliation(s)
- Sean D McCarthy
- CÚRAM and Regenerative Medicine Institute, University of Galway, Galway, Ireland
| | | | - Matt Angel
- Factor Bioscience Ltd., Cambridge, Massachusetts, USA
| | - Claire H Masterson
- CÚRAM and Regenerative Medicine Institute, University of Galway, Galway, Ireland
| | | | - Juan Fandiño
- CÚRAM and Regenerative Medicine Institute, University of Galway, Galway, Ireland
| | - Héctor E González
- CÚRAM and Regenerative Medicine Institute, University of Galway, Galway, Ireland
| | - Declan Byrnes
- CÚRAM and Regenerative Medicine Institute, University of Galway, Galway, Ireland
| | - John G Laffey
- CÚRAM and Regenerative Medicine Institute, University of Galway, Galway, Ireland
| | - Daniel O'Toole
- CÚRAM and Regenerative Medicine Institute, University of Galway, Galway, Ireland
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22
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Tanner L, Single AB, Bhongir RKV, Heusel M, Mohanty T, Karlsson CAQ, Pan L, Clausson CM, Bergwik J, Wang K, Andersson CK, Oommen RM, Erjefält JS, Malmström J, Wallner O, Boldogh I, Helleday T, Kalderén C, Egesten A. Small-molecule-mediated OGG1 inhibition attenuates pulmonary inflammation and lung fibrosis in a murine lung fibrosis model. Nat Commun 2023; 14:643. [PMID: 36746968 PMCID: PMC9902543 DOI: 10.1038/s41467-023-36314-5] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 01/26/2023] [Indexed: 02/08/2023] Open
Abstract
Interstitial lung diseases such as idiopathic pulmonary fibrosis (IPF) are caused by persistent micro-injuries to alveolar epithelial tissues accompanied by aberrant repair processes. IPF is currently treated with pirfenidone and nintedanib, compounds which slow the rate of disease progression but fail to target underlying pathophysiological mechanisms. The DNA repair protein 8-oxoguanine DNA glycosylase-1 (OGG1) has significant roles in the modulation of inflammation and metabolic syndromes. Currently, no pharmaceutical solutions targeting OGG1 have been utilized in the treatment of IPF. In this study we show Ogg1-targeting siRNA mitigates bleomycin-induced pulmonary fibrosis in male mice, highlighting OGG1 as a tractable target in lung fibrosis. The small molecule OGG1 inhibitor, TH5487, decreases myofibroblast transition and associated pro-fibrotic gene expressions in fibroblast cells. In addition, TH5487 decreases levels of pro-inflammatory mediators, inflammatory cell infiltration, and lung remodeling in a murine model of bleomycin-induced pulmonary fibrosis conducted in male C57BL6/J mice. OGG1 and SMAD7 interact to induce fibroblast proliferation and differentiation and display roles in fibrotic murine and IPF patient lung tissue. Taken together, these data suggest that TH5487 is a potentially clinically relevant treatment for IPF but further study in human trials is required.
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Affiliation(s)
- L Tanner
- Respiratory Medicine, Allergology, & Palliative Medicine, Department of Clinical Sciences Lund, Lund University and Skåne University Hospital, SE-221 84, Lund, Sweden.
| | - A B Single
- Respiratory Medicine, Allergology, & Palliative Medicine, Department of Clinical Sciences Lund, Lund University and Skåne University Hospital, SE-221 84, Lund, Sweden
| | - R K V Bhongir
- Respiratory Medicine, Allergology, & Palliative Medicine, Department of Clinical Sciences Lund, Lund University and Skåne University Hospital, SE-221 84, Lund, Sweden
| | - M Heusel
- Division of Infection Medicine, Department of Clinical Sciences, Lund University, SE-221 84, Lund, Sweden
| | - T Mohanty
- Division of Infection Medicine, Department of Clinical Sciences, Lund University, SE-221 84, Lund, Sweden
| | - C A Q Karlsson
- Division of Infection Medicine, Department of Clinical Sciences, Lund University, SE-221 84, Lund, Sweden
| | - L Pan
- Department of Microbiology and Immunology, University of Texas Medical Branch at Galveston, Galveston, TX, 77555, USA
| | - C-M Clausson
- Division of Airway Inflammation, Department of Experimental Medical Sciences, Lund University, SE-221 84, Lund, Sweden
| | - J Bergwik
- Respiratory Medicine, Allergology, & Palliative Medicine, Department of Clinical Sciences Lund, Lund University and Skåne University Hospital, SE-221 84, Lund, Sweden
| | - K Wang
- Department of Microbiology and Immunology, University of Texas Medical Branch at Galveston, Galveston, TX, 77555, USA
| | - C K Andersson
- Respiratory Cell Biology, Department of Experimental Medical Sciences Lund, Lund University, SE-221 84, Lund, Sweden
| | - R M Oommen
- Science for Life Laboratory, Department of Oncology-Pathology, Karolinska Institutet, SE-171 76, Stockholm, Sweden
| | - J S Erjefält
- Division of Airway Inflammation, Department of Experimental Medical Sciences, Lund University, SE-221 84, Lund, Sweden
| | - J Malmström
- Division of Infection Medicine, Department of Clinical Sciences, Lund University, SE-221 84, Lund, Sweden
| | - O Wallner
- Science for Life Laboratory, Department of Oncology-Pathology, Karolinska Institutet, SE-171 76, Stockholm, Sweden
| | - I Boldogh
- Department of Microbiology and Immunology, University of Texas Medical Branch at Galveston, Galveston, TX, 77555, USA
| | - T Helleday
- Science for Life Laboratory, Department of Oncology-Pathology, Karolinska Institutet, SE-171 76, Stockholm, Sweden
- Oxcia AB, Norrbackagatan 70C, SE-113 34, Stockholm, Sweden
- Weston Park Cancer Centre, Department of Oncology and Metabolism, University of Sheffield, Sheffield, S10 2RX, UK
| | - C Kalderén
- Science for Life Laboratory, Department of Oncology-Pathology, Karolinska Institutet, SE-171 76, Stockholm, Sweden
- Oxcia AB, Norrbackagatan 70C, SE-113 34, Stockholm, Sweden
| | - A Egesten
- Respiratory Medicine, Allergology, & Palliative Medicine, Department of Clinical Sciences Lund, Lund University and Skåne University Hospital, SE-221 84, Lund, Sweden
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23
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Hao Y, Jiang H, Thapa P, Ding N, Alshahrani A, Fujii J, Toledano MB, Wei Q. Critical Role of the Sulfiredoxin-Peroxiredoxin IV Axis in Urethane-Induced Non-Small Cell Lung Cancer. Antioxidants (Basel) 2023; 12:367. [PMID: 36829926 PMCID: PMC9951953 DOI: 10.3390/antiox12020367] [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: 01/11/2023] [Revised: 01/29/2023] [Accepted: 02/01/2023] [Indexed: 02/05/2023] Open
Abstract
Non-small cell lung cancer (NSCLC), the most common type of lung cancer, etiologically associates with tobacco smoking which mechanistically contributes to oxidative stress to facilitate the occurrence of mutations, oncogenic transformation and aberrantly activated signaling pathways. Our previous reports suggested an essential role of Sulfiredoxin (Srx) in promoting the development of lung cancer in humans, and was causally related to Peroxiredoxin IV (Prx4), the major downstream substrate and mediator of Srx-enhanced signaling. To further explore the role of the Srx-Prx4 axis in de novo lung tumorigenesis, we established Prx4-/- and Srx-/-/Prx4-/- mice in pure FVB/N background. Together with wild-type litter mates, these mice were exposed to carcinogenic urethane and the development of lung tumorigenesis was evaluated. We found that disruption of the Srx-Prx4 axis, either through knockout of Srx/Prx4 alone or together, led to a reduced number and size of lung tumors in mice. Immunohistological studies found that loss of Srx/Prx4 led to reduced rate of cell proliferation and less intratumoral macrophage infiltration. Mechanistically, we found that exposure to urethane increased the levels of reactive oxygen species, activated the expression of and Prx4 in normal lung epithelial cells, while knockout of Prx4 inhibited urethane-induced cell transformation. Moreover, bioinformatics analysis found that the Srx-Prx4 axis is activated in many human cancers, and their increased expression is tightly correlated with poor prognosis in NSCLC patients.
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Affiliation(s)
- Yanning Hao
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY 40506, USA
| | - Hong Jiang
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY 40506, USA
| | - Pratik Thapa
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY 40506, USA
| | - Na Ding
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY 40506, USA
| | - Aziza Alshahrani
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY 40506, USA
| | - Junichi Fujii
- Department of Biochemistry and Molecular Biology, Graduate School of Medical Science, Yamagata University, Yamagata 990-8560, Japan
| | - Michel B. Toledano
- Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris-Saclay, 91198 Gif-sur-Yvette, France
| | - Qiou Wei
- Department of Toxicology and Cancer Biology, University of Kentucky, Lexington, KY 40506, USA
- Markey Cancer Center, University of Kentucky, Lexington, KY 40536, USA
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24
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Pulmonary Fibrosis as a Result of Acute Lung Inflammation: Molecular Mechanisms, Relevant In Vivo Models, Prognostic and Therapeutic Approaches. Int J Mol Sci 2022; 23:ijms232314959. [PMID: 36499287 PMCID: PMC9735580 DOI: 10.3390/ijms232314959] [Citation(s) in RCA: 62] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 11/24/2022] [Accepted: 11/25/2022] [Indexed: 12/03/2022] Open
Abstract
Pulmonary fibrosis is a chronic progressive lung disease that steadily leads to lung architecture disruption and respiratory failure. The development of pulmonary fibrosis is mostly the result of previous acute lung inflammation, caused by a wide variety of etiological factors, not resolved over time and causing the deposition of fibrotic tissue in the lungs. Despite a long history of study and good coverage of the problem in the scientific literature, the effective therapeutic approaches for pulmonary fibrosis treatment are currently lacking. Thus, the study of the molecular mechanisms underlying the transition from acute lung inflammation to pulmonary fibrosis, and the search for new molecular markers and promising therapeutic targets to prevent pulmonary fibrosis development, remain highly relevant tasks. This review focuses on the etiology, pathogenesis, morphological characteristics and outcomes of acute lung inflammation as a precursor of pulmonary fibrosis; the pathomorphological changes in the lungs during fibrosis development; the known molecular mechanisms and key players of the signaling pathways mediating acute lung inflammation and pulmonary fibrosis, as well as the characteristics of the most common in vivo models of these processes. Moreover, the prognostic markers of acute lung injury severity and pulmonary fibrosis development as well as approved and potential therapeutic approaches suppressing the transition from acute lung inflammation to fibrosis are discussed.
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25
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In vitro and in vivo assessment of the antioxidant potential of isoxazole derivatives. Sci Rep 2022; 12:18223. [PMID: 36309576 PMCID: PMC9617852 DOI: 10.1038/s41598-022-23050-x] [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: 04/20/2022] [Accepted: 10/25/2022] [Indexed: 12/31/2022] Open
Abstract
Previously developed fluorophenyl-isoxazole-carboxamides derivatives were re-synthesized and their scavenging activity against DPPH free radical and inhibitory activity against lipase and α-amylase enzymes were evaluated. The inhibition of the tested enzymes was weak while the most potent activities were observed in the DPPH assay. In particular, compounds 2a and 2c demonstrated high antioxidant potency with IC50 values of 0.45 ± 0.21 and 0.47 ± 0.33 µg/ml, respectively, when compared to Trolox, the positive control compound, which has an IC50 value of 3.10 ± 0.92 µg/ml. Based on the in vitro results, the most potent compound 2a was chosen for in vivo evaluation of antioxidant properties using 20 male mice injected intra-peritoneally and divided into four groups. The in vivo results revealed that total antioxidant capacity (TAC) obtained for mice treated with 2a was two folds greater than that of mice treated with the positive control Quercetin. Although further biological and preclinical investigations need to be performed to assess the therapeutic potential of 2a, the results of this study show promising antioxidant activities both in vitro and in vivo.
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26
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Wang X, Liu Y, Xue C, Hu Y, Zhao Y, Cai K, Li M, Luo Z. A protein-based cGAS-STING nanoagonist enhances T cell-mediated anti-tumor immune responses. Nat Commun 2022; 13:5685. [PMID: 36167857 PMCID: PMC9515186 DOI: 10.1038/s41467-022-33301-0] [Citation(s) in RCA: 52] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 09/13/2022] [Indexed: 12/01/2022] Open
Abstract
cGAS-STING pathway is a key DNA-sensing machinery and emerges as a promising target to overcome the immunoresistance of solid tumors. Here we describe a bovine serum albumin (BSA)/ferritin-based nanoagonist incorporating manganese (II) ions and β-lapachone, which cooperatively activates cGAS-STING signaling in dendritic cells (DCs) to elicit robust adaptive antitumor immunity. Mn2+-anchored mannose-modified BSAs and β-lapachone-loaded ferritins are crosslinked to afford bioresponsive protein nanoassemblies, which dissociate into monodispersive protein units in acidic perivascular tumor microenvironment (TME), thus enabling enhanced tumor penetration and spatiotemporally controlled Mn2+ and β-lapachone delivery to DCs and tumor cells, respectively. β-lapachone causes immunogenic tumor cell apoptosis and releases abundant dsDNA into TME, while Mn2+ enhances the sensitivity of cGAS to dsDNA and augments STING signaling to trigger downstream immunostimulatory signals. The cGAS-STING nanoagonist enhances the tumor-specific T cell-mediated immune response against poorly immunogenic solid tumors in vivo, offering a robust approach for immunotherapy in the clinics. Manganese has a crucial role in cGAS-STING-mediated DNA sensing and has emerged as a STING agonist. Here the authors report the design and characterization of a nanosystem incorporating manganese ions and the chemotherapeutic drug β-lapachone, inducing T-cell mediated anti-tumor immune responses in preclinical cancer models.
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Affiliation(s)
- Xuan Wang
- School of Life Science, Chongqing University, Chongqing, 400044, P. R. China
| | - Yingqi Liu
- School of Life Science, Chongqing University, Chongqing, 400044, P. R. China
| | - Chencheng Xue
- School of Life Science, Chongqing University, Chongqing, 400044, P. R. China
| | - Yan Hu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Chongqing University, Chongqing, 400044, P. R. China
| | - Yuanyuan Zhao
- School of Life Science, Chongqing University, Chongqing, 400044, P. R. China
| | - Kaiyong Cai
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, Chongqing University, Chongqing, 400044, P. R. China
| | - Menghuan Li
- School of Life Science, Chongqing University, Chongqing, 400044, P. R. China.
| | - Zhong Luo
- School of Life Science, Chongqing University, Chongqing, 400044, P. R. China. .,Key Laboratory of Biorheological Science and Technology, Ministry of Education, Chongqing University, Chongqing, 400044, P. R. China.
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27
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The Impact of Tobacco Cigarettes, Vaping Products and Tobacco Heating Products on Oxidative Stress. Antioxidants (Basel) 2022; 11:antiox11091829. [PMID: 36139904 PMCID: PMC9495690 DOI: 10.3390/antiox11091829] [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: 07/06/2022] [Revised: 09/06/2022] [Accepted: 09/08/2022] [Indexed: 12/02/2022] Open
Abstract
Cells constantly produce oxidizing species because of their metabolic activity, which is counteracted by the continuous production of antioxidant species to maintain the homeostasis of the redox balance. A deviation from the metabolic steady state leads to a condition of oxidative stress. The source of oxidative species can be endogenous or exogenous. A major exogenous source of these species is tobacco smoking. Oxidative damage can be induced in cells by chemical species contained in smoke through the generation of pro-inflammatory compounds and the modulation of intracellular pro-inflammatory pathways, resulting in a pathological condition. Cessation of smoking reduces the morbidity and mortality associated with cigarette use. Next-generation products (NGPs), as alternatives to combustible cigarettes, such as electronic cigarettes (e-cig) and tobacco heating products (THPs), have been proposed as a harm reduction strategy to reduce the deleterious impacts of cigarette smoking. In this review, we examine the impact of tobacco smoke and MRPs on oxidative stress in different pathologies, including respiratory and cardiovascular diseases and tumors. The impact of tobacco cigarette smoke on oxidative stress signaling in human health is well established, whereas the safety profile of MRPs seems to be higher than tobacco cigarettes, but further, well-conceived, studies are needed to better understand the oxidative effects of these products with long-term exposure.
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28
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Olmedo DWV, Martins KB, Paz MM, Fernandes CLF, da Silva FMR, Ramos DF. Mutagenic damage among bronchiectasis patients attending in the pulmonology sector of a hospital in southern Brazil. Rev Assoc Med Bras (1992) 2022; 68:1191-1198. [PMID: 36228250 PMCID: PMC9575028 DOI: 10.1590/1806-9282.20220178] [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: 05/04/2022] [Accepted: 06/02/2022] [Indexed: 11/07/2022] Open
Abstract
OBJECTIVE: Bronchiectasis is a chronic respiratory disease characterized by inflammation, irreversible dilation of the bronchi, and recurrent pulmonary infections, with a high morbidity and mortality rate, but is less studied from the point of view of its prevalence and associated factors not directly related to respiratory prognosis. As it is a disease related to the exacerbation of the inflammatory process and oxidative stress, this study searched to investigate the micronucleus frequency in patients with and without bronchiectasis treated at a specialized pulmonology service in a hospital in the extreme south of Brazil. METHODS: Patients with a confirmed tomographic diagnosis of bronchiectasis were defined as cases. Mutagenicity was evaluated by the micronucleus test in patients’ oral mucosa cells. Data collection was performed through a questionnaire containing socioeconomic, demographic, lifestyle, and health condition information. RESULTS: Of the 95 patients involved in this study, 21 (22.1%) were diagnosed with bronchiectasis aged between 12 and 89 years. There was no significant difference in the frequency of micronucleus between patients with and without bronchiectasis. There was a significant positive association between age and frequency of micronucleus among patients with bronchiectasis, but this association does not occur among patients without the disease. CONCLUSION: This is the first study to investigate data on the prevalence and clinical and epidemiological aspects of this chronic disease in Brazil, especially those related to the genotoxicity outcome.
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Affiliation(s)
- Daniel Wenceslau Votto Olmedo
- Universidade Federal do Rio Grande, Faculty of Medicine, Postgraduate Program in Health Sciences – Rio Grande (RS), Brazil.,Universidade Federal do Rio Grande, Faculty of Medicine, New Drug Development Center – Rio Grande (RS), Brazil
| | - Katheryne Benini Martins
- Universidade Federal do Rio Grande, Faculty of Medicine, Postgraduate Program in Health Sciences – Rio Grande (RS), Brazil.,Universidade Federal do Rio Grande, Faculty of Medicine, New Drug Development Center – Rio Grande (RS), Brazil
| | - Milene Machado Paz
- Universidade Federal do Rio Grande, Faculty of Medicine, Postgraduate Program in Health Sciences – Rio Grande (RS), Brazil.,Universidade Federal do Rio Grande, Faculty of Medicine, New Drug Development Center – Rio Grande (RS), Brazil
| | - Caroline Lopes Feijo Fernandes
- Universidade Federal do Rio Grande, Faculty of Medicine, Postgraduate Program in Health Sciences – Rio Grande (RS), Brazil.,Universidade Federal do Rio Grande, Institute of Biological Sciences, Laboratory of Pharmacological and Toxicological Tests – Rio Grande (RS), Brazil
| | - Flavio Manoel Rodrigues da Silva
- Universidade Federal do Rio Grande, Faculty of Medicine, Postgraduate Program in Health Sciences – Rio Grande (RS), Brazil.,Universidade Federal do Rio Grande, Institute of Biological Sciences, Laboratory of Pharmacological and Toxicological Tests – Rio Grande (RS), Brazil
| | - Daniela Fernandes Ramos
- Universidade Federal do Rio Grande, Faculty of Medicine, Postgraduate Program in Health Sciences – Rio Grande (RS), Brazil.,Universidade Federal do Rio Grande, Faculty of Medicine, New Drug Development Center – Rio Grande (RS), Brazil.,Corresponding author:
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29
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The Role of Nrf2 in Pulmonary Fibrosis: Molecular Mechanisms and Treatment Approaches. Antioxidants (Basel) 2022; 11:antiox11091685. [PMID: 36139759 PMCID: PMC9495339 DOI: 10.3390/antiox11091685] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/21/2022] [Accepted: 08/26/2022] [Indexed: 11/21/2022] Open
Abstract
Pulmonary fibrosis is a chronic, progressive, incurable interstitial lung disease with high mortality after diagnosis and remains a global public health problem. Despite advances and breakthroughs in understanding the pathogenesis of pulmonary fibrosis, there are still no effective methods for the prevention and treatment of pulmonary fibrosis. The existing treatment options are imperfect, expensive, and have considerable limitations in effectiveness and safety. Hence, there is an urgent need to find novel therapeutic targets. The nuclear factor erythroid 2-related factor 2 (Nrf2) is a central regulator of cellular antioxidative responses, inflammation, and restoration of redox balance. Accumulating reports reveal that Nrf2 activators exhibit potent antifibrosis effects and significantly attenuate pulmonary fibrosis in vivo and in vitro. This review summarizes the current Nrf2-related knowledge about the regulatory mechanism and potential therapies in the process of pulmonary fibrosis. Nrf2 orchestrates the activation of multiple protective genes that target inflammation, oxidative stress, fibroblast–myofibroblast differentiation (FMD), and epithelial–mesenchymal transition (EMT), and the mechanisms involve Nrf2 and its downstream antioxidant, Nrf2/HO−1/NQO1, Nrf2/NOX4, and Nrf2/GSH signaling pathway. We hope to indicate potential for Nrf2 system as a therapeutic target for pulmonary fibrosis.
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Dailah HG. Therapeutic Potential of Small Molecules Targeting Oxidative Stress in the Treatment of Chronic Obstructive Pulmonary Disease (COPD): A Comprehensive Review. Molecules 2022; 27:molecules27175542. [PMID: 36080309 PMCID: PMC9458015 DOI: 10.3390/molecules27175542] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 08/21/2022] [Accepted: 08/25/2022] [Indexed: 12/02/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is an increasing and major global health problem. COPD is also the third leading cause of death worldwide. Oxidative stress (OS) takes place when various reactive species and free radicals swamp the availability of antioxidants. Reactive nitrogen species, reactive oxygen species (ROS), and their counterpart antioxidants are important for host defense and physiological signaling pathways, and the development and progression of inflammation. During the disturbance of their normal steady states, imbalances between antioxidants and oxidants might induce pathological mechanisms that can further result in many non-respiratory and respiratory diseases including COPD. ROS might be either endogenously produced in response to various infectious pathogens including fungi, viruses, or bacteria, or exogenously generated from several inhaled particulate or gaseous agents including some occupational dust, cigarette smoke (CS), and air pollutants. Therefore, targeting systemic and local OS with therapeutic agents such as small molecules that can increase endogenous antioxidants or regulate the redox/antioxidants system can be an effective approach in treating COPD. Various thiol-based antioxidants including fudosteine, erdosteine, carbocysteine, and N-acetyl-L-cysteine have the capacity to increase thiol content in the lungs. Many synthetic molecules including inhibitors/blockers of protein carbonylation and lipid peroxidation, catalytic antioxidants including superoxide dismutase mimetics, and spin trapping agents can effectively modulate CS-induced OS and its resulting cellular alterations. Several clinical and pre-clinical studies have demonstrated that these antioxidants have the capacity to decrease OS and affect the expressions of several pro-inflammatory genes and genes that are involved with redox and glutathione biosynthesis. In this article, we have summarized the role of OS in COPD pathogenesis. Furthermore, we have particularly focused on the therapeutic potential of numerous chemicals, particularly antioxidants in the treatment of COPD.
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Affiliation(s)
- Hamad Ghaleb Dailah
- Research and Scientific Studies Unit, College of Nursing, Jazan University, Jazan 45142, Saudi Arabia
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Cheng L, Wang D, Deng B, Li J, Zhang J, Guo X, Yan T, Yue X, An Y, Zhang B, Xie J. DR7dA, a novel antioxidant peptide analog, demonstrates antifibrotic activity in pulmonary fibrosis in vivo and in vitro. J Pharmacol Exp Ther 2022; 382:100-112. [PMID: 35772783 DOI: 10.1124/jpet.121.001031] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 05/13/2022] [Indexed: 11/22/2022] Open
Abstract
Pulmonary fibrosis (PF), which is characterized by enhanced extracellular matrix (ECM) deposition, is an interstitial lung disease that lacks an ideal clinical treatment strategy. It has an extremely poor prognosis, with an average survival of 3-5 years after diagnosis. Our previous studies have shown that the antioxidant peptide DR8 (DHNNPQIR), which is extracted and purified from rapeseed, can alleviate PF and renal fibrosis. However, natural peptides are easily degraded by proteases in vivo, which limits their potency. We have since synthesized a series of DR8 analogs based on amino acid scanning substitution. DR7dA (DHNNPQ (D-alanine) R) is an analog of DR8 in which L-isoleucine (L-Ile) is replaced with D-alanine (D-Ala), and its half-life is better than that of DR8. In the current study, we verified that DR7dA ameliorated TGF-β1-induced fibrogenesis and bleomycin-induced PF. The results indicated that DR7dA reduced the protein and mRNA levels of TGF-β1-target genes in TGF-β1-induced models. Surprisingly, DR7dA blocked fibrosis in a lower concentration range than DR8 in cells. In addition, DR7dA ameliorated tissue pathological changes and ECM accumulation in mice. BLM caused severe oxidative damage, but administration of DR7dA reduced oxidative stress and restored antioxidant defense. Mechanistic studies suggested that DR7dA inhibits ERK, P38 and JNK phosphorylation in vivo and in vitro All results indicated that DR7dA attenuated PF by inhibiting ECM deposition and oxidative stress via blockade of the MAPK pathway. Hence, compared with its parent peptide, DR7dA has higher druggability and could be a candidate compound for PF treatment in the future. Significance Statement In order to improve druggability of DR8, we investigated the structure-activity relationship of it and replaced the L-Ile with D-Ala. We found that the stability and antifibrotic activity of DR7dA were significantly improved than DR8, as well as DR7dA significantly attenuated TGF-β1-induced fibrogenesis and ameliorated BLM-induced fibrosis by inhibiting ECM deposition and oxidative stress via blockade of the MAPK pathway, suggesting DR7dA may be a promising candidate compound for the treatment of PF.
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Affiliation(s)
| | - Dan Wang
- School of Basic Medical Science, Lanzhou University, China
| | - Bochuan Deng
- School of Basic Medical Science, Lanzhou University, China
| | - Jieru Li
- School of Basic Medical Science, Lanzhou University, China
| | - Jiao Zhang
- School of Basic Medical Science, Lanzhou University, China
| | - Xiaomin Guo
- School of Basic Medical Science, Lanzhou University, China
| | - Tiantian Yan
- School of Basic Medical Science, Lanzhou University, China
| | - Xin Yue
- School of Basic Medical Science, Lanzhou University, China
| | - Yingying An
- School of Basic Medical Science, Lanzhou University, China
| | - Bangzhi Zhang
- School of Basic Medical Science, Lanzhou University, China
| | - Junqiu Xie
- School of Basic Medical Science, Lanzhou University, China
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The Role of Antioxidants in the Interplay between Oxidative Stress and Senescence. Antioxidants (Basel) 2022; 11:antiox11071224. [PMID: 35883714 PMCID: PMC9311946 DOI: 10.3390/antiox11071224] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Revised: 06/17/2022] [Accepted: 06/21/2022] [Indexed: 02/01/2023] Open
Abstract
Cellular senescence is an irreversible state of cell cycle arrest occurring in response to stressful stimuli, such as telomere attrition, DNA damage, reactive oxygen species, and oncogenic proteins. Although beneficial and protective in several physiological processes, an excessive senescent cell burden has been involved in various pathological conditions including aging, tissue dysfunction and chronic diseases. Oxidative stress (OS) can drive senescence due to a loss of balance between pro-oxidant stimuli and antioxidant defences. Therefore, the identification and characterization of antioxidant compounds capable of preventing or counteracting the senescent phenotype is of major interest. However, despite the considerable number of studies, a comprehensive overview of the main antioxidant molecules capable of counteracting OS-induced senescence is still lacking. Here, besides a brief description of the molecular mechanisms implicated in OS-mediated aging, we review and discuss the role of enzymes, mitochondria-targeting compounds, vitamins, carotenoids, organosulfur compounds, nitrogen non-protein molecules, minerals, flavonoids, and non-flavonoids as antioxidant compounds with an anti-aging potential, therefore offering insights into innovative lifespan-extending approaches.
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Li Q, Yang Y, Wang X, Yang X, Zhao Y, Wu Q, Zhao Y. Alternariol ameliorates lung carcinoma via reprogramming cytokine signaling associated with PI3K/Akt cascade in vitro and in vivo. EUR J INFLAMM 2022. [DOI: 10.1177/1721727x221106505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
Objectives The lung cancer is most frequently diagnosed cancer incidence worldwide. A large number of populations are heavily affected to this every year with poor prognosis. Methods Our study investigated the anticancer effect of alternariol, a secondary metabolite, on A549 lung cancer cell line and benzo-α-pyrene induced lung carcinoma model on balb/c mice. The cytotoxicity assay, DAPI staining and the flow cytometry was performed to assess the anticancer efficacy of alternariol in A549 lung cancer cell. For in vivo study the toxicity study was performed. The lung cancer was developed in the animals via intraperitoneal administration of benzo-α-pyrene and subsequently 2 weeks later alternariol treatment was carried out for 24 weeks. The chemotherapeutic effect of alternariol was assessed through histopathological analysis, followed by immunohistochemistry and in vivo antioxidant study. Results The in vitro data suggested a significant percentage of early and late apoptotic events in A549 cells with G0/G1 phase arrest which ultimately caused apoptosis followed by alternariol therapy. The in vivo study showed that alternariol therapy decreased the pulmonary fibrosis and formation of granuloma in lung tissue and restored the normal histopathological characteristics of lung. Furthermore, alternariol treatment downregulated the expression of PI3K, Akt and inflammatory mediators such as IL-6, TNF-α and increased the expression of apoptotic markers, p53. Conclusion In conclusion, the treatment with alternariol effectively decreased the progression of lung cancer through the inhibition of carcinogenic markers by reprogramming the p53/PI3K/Akt pathway and IL-6/TNF-α mediated cytokine signaling in mice.
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Affiliation(s)
- Qiufang Li
- Clinical 1 Department, College of nursing and health, Zhengzhou University, Zhengzhou, China
| | - Yanzi Yang
- School of Pharmaceutical Sciences, Zhejiang Chinese Medical University, Hangzhou, China
| | - Xiaokai Wang
- Department of basic medicine, College of nursing and health, Zhengzhou University, Zhengzhou, China
| | - Xiaopeng Yang
- Department of Neurology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yaosong Zhao
- Experimental center of College of nursing and health, Zhengzhou University, Zhengzhou, China
| | - Qiuge Wu
- Department of respiratory medicine, The First Affiliated Hospital of Zhengzhou University Zhengzhou, China
| | - Yanli Zhao
- Department of basic nursing, College of nursing and health, Zhengzhou University, Zhengzhou, China
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Ri MH, Ri US, Han HU, Ko SY, Kim NH, Jang KS, Kim KI, Sin YS. Ab initio study of superoxide dismutase (SOD) and catalase activity of EUK-134. J Mol Model 2022; 28:168. [PMID: 35612680 DOI: 10.1007/s00894-022-05129-4] [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: 08/23/2021] [Accepted: 04/27/2022] [Indexed: 11/28/2022]
Abstract
Dismutation reaction of superoxide radical catalyzed by EUK-134 has lower activation energy than non-catalytic reaction, and therefore, EUK-134 catalyzes dismutation reaction of superoxide radical. For non-catalytic dismutation reaction of hydrogen peroxide, there are three possible reaction paths, among which MEP3 has the lowest activation energy, and therefore, is thought to be the most probable reaction path. Dismutation reaction of hydrogen peroxide catalyzed by EUK-134 occurs in two successive steps and has lower energy barrier than non-catalytic dismutation reaction, and therefore, EUK-134 is thought to catalyze the dismutation reaction of hydrogen peroxide. HOMO (highest occupied molecular orbital) and LUMO (lowest unoccupied molecular orbital) and ESP-fitted charge analysis of EUK-134 indicate that Mn atom plays an electron acceptor and donor for dismutation reactions of superoxide radical and hydrogen peroxide catalyzed by EUK-134, respectively.
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Affiliation(s)
- Mun-Hyok Ri
- High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People's Republic of Korea.
| | - Un-Son Ri
- Faculty of Physics, Kim Il Sung University, Pyongyang, Democratic People's Republic of Korea
| | - Hyon-U Han
- High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People's Republic of Korea
| | - Son-Yong Ko
- High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People's Republic of Korea
| | - Nam-Hyok Kim
- Faculty of Physics, Kim Il Sung University, Pyongyang, Democratic People's Republic of Korea
| | - Kyong-Song Jang
- High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People's Republic of Korea
| | - Kyong-Il Kim
- High-Tech Research and Development Center, Kim Il Sung University, Pyongyang, Democratic People's Republic of Korea
| | - Yun-Sop Sin
- Faculty of Physics, Kim Il Sung University, Pyongyang, Democratic People's Republic of Korea
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Molecular relation between biological stress and carcinogenesis. Mol Biol Rep 2022; 49:9929-9945. [PMID: 35610338 DOI: 10.1007/s11033-022-07543-6] [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: 01/11/2022] [Accepted: 04/29/2022] [Indexed: 10/18/2022]
Abstract
This paper aims to overview different types of stress, including DNA replication stress, oxidative stress, and psychological stress. Understanding the processes that constitute a cellular response to varied types of stress lets us find differences in how normal cells and cancer cells react to the appearance of a particular kind of stressor. The revealed dissimilarities are the key for targeting new molecules and signaling pathways in anticancer treatment. For this reason, molecular mechanisms that underlay DNA replication stress, oxidative stress, and psychological stress have been studied and briefly presented to indicate biochemical points that make stressors contribute to cancer development. What is more, the viewpoint in which cancer constitutes the outcome and the cause of stress has been taken into consideration. In a described way, this paper draws attention to the problem of cancer-related post-traumatic stress disorder and proposes a novel, multidimensional oncological approach, connecting anticancer treatment with psychiatric support.
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Rezaeifard A, Mokhtari R, Garazhian Z, Jafarpour M, Grzhegorzhevskii KV. Tetrahedral Keggin Core Tunes the Visible Light-Assisted Catalase-Like Activity of Icosahedral Keplerate Shell. Inorg Chem 2022; 61:7878-7889. [PMID: 35533083 DOI: 10.1021/acs.inorgchem.2c00476] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
In this work, the effect of Keggin polyoxometalates encapsulated in Keplerate {Mo72Fe30} shell (K shell) on the visible light-assisted catalase-like activity (H2O2 dismutation) of the resulting core-shell clusters PMo12@K, SiMo12@K, and BW12@K was investigated. Superior photodismutation activity of PMo12@K compared to that of K shell and two other core-shell clusters was discovered. The homogeneity of PMo12@K and its improved oxidative stability, increased redox potential, and reduced band gap caused by a synergistic effect between the Keplerate shell and Keggin core seem reasonable to explain such a superiority. The light-dependent photocatalytic performance of PMo12@K evaluated by action spectra revealed a maximum apparent quantum efficiency (AQY) at 400 nm, demonstrating the visible light-driven photocatalytic reaction. A first-order rate constant of 2 × 10-4 s-1 and activation energy of 108.8 kJ mol-1 alongside a turnover frequency of 0.036 s-1 and a total turnover number of up to ∼3800 approved the effective photocatalytic activity and improved the oxidative stability of PMo12@K. A nonradical photocatalytic mechanism through a Fe-OOH intermediate was proposed. Thus, the structure, optical activity, and oxidative stability of a host Keplerate-type nanocluster can be tuned significantly by encapsulation of a guest, like "cluster-in-cluster" structures, which opens the scope for introducing new visible light-sensitive hierarchical nanostructures.
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Affiliation(s)
- Abdolreza Rezaeifard
- Catalysis Research Laboratory, Department of Chemistry, Faculty of Science, University of Birjand, Birjand 97179-414, Iran
| | - Rezvan Mokhtari
- Catalysis Research Laboratory, Department of Chemistry, Faculty of Science, University of Birjand, Birjand 97179-414, Iran
| | - Zohreh Garazhian
- Catalysis Research Laboratory, Department of Chemistry, Faculty of Science, University of Birjand, Birjand 97179-414, Iran
| | - Maasoumeh Jafarpour
- Catalysis Research Laboratory, Department of Chemistry, Faculty of Science, University of Birjand, Birjand 97179-414, Iran
| | - Kirill V Grzhegorzhevskii
- Institute of Natural Sciences and Mathematics, Ural Federal University named after the B.N. Yeltsin, Ekaterinburg 620002, Russia
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Protective Effects of N-Acetylcysteine on Lipopolysaccharide-Induced Respiratory Inflammation and Oxidative Stress. Antioxidants (Basel) 2022; 11:antiox11050879. [PMID: 35624744 PMCID: PMC9137500 DOI: 10.3390/antiox11050879] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 04/23/2022] [Accepted: 04/25/2022] [Indexed: 01/18/2023] Open
Abstract
As the leading cause of bovine respiratory disease (BRD), bacterial pneumonia can result in tremendous losses in the herd farming industry worldwide. N-acetylcysteine (NAC), an acetylated precursor of the amino acid L-cysteine, has been reported to have anti-inflammatory and antioxidant properties. To explore the protective effect and underlying mechanisms of NAC in ALI, we investigated its role in lipopolysaccharide (LPS)-induced bovine embryo tracheal cells (EBTr) and mouse lung injury models. We found that NAC pretreatment attenuated LPS-induced inflammation in EBTr and mouse models. Moreover, LPS suppressed the expression of oxidative-related factors in EBTr and promoted gene expression and the secretion of inflammatory cytokines. Conversely, the pretreatment of NAC alleviated the secretion of inflammatory cytokines and decreased their mRNA levels, maintaining stable levels of antioxidative gene expression. In vivo, NAC helped LPS-induced inflammatory responses and lung injury in ALI mice. The relative protein concentration, total cells, and percentage of neutrophils in BALF; the level of secretion of IL-6, IL-8, TNF-α, and IL-1β; MPO activity; lung injury score; and the expression level of inflammatory-related genes were decreased significantly in the NAC group compared with the LPS group. NAC also ameliorated LPS-induced mRNA level changes in antioxidative genes. In conclusion, our findings suggest that NAC affects the inflammatory and oxidative response, alleviating LPS-induced EBTr inflammation and mouse lung injury, which offers a natural therapeutic strategy for BRD.
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Li H, Hong W, Zeng Z, Gong S, Wu F, Wang Z, Tian H, Cheng J, Sun R, Gao M, Liang C, Cao W, Hu G, Li Y, Wei L, Zhou Y, Ran P. Association Between Extracellular Superoxide Dismutase Activity and 1-Year All-Cause Mortality in Patients With Acute Exacerbations of Chronic Obstructive Pulmonary Disease: A Prospective Cohort Study. Front Med (Lausanne) 2022; 9:811975. [PMID: 35360751 PMCID: PMC8963916 DOI: 10.3389/fmed.2022.811975] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 02/03/2022] [Indexed: 11/13/2022] Open
Abstract
Background and ObjectivesAccumulating evidence suggests that oxidative stress is involved in the development of chronic obstructive pulmonary disease (COPD) and its progression. Activity of extracellular superoxide dismutase (ecSOD), the only extracellular enzyme eliminating superoxide radicals, has been reported to decline in acute exacerbations of COPD (AECOPD). However, the association between serum ecSOD activity and 1-year all-cause mortality in AECOPD patients remains unclear. The objective of our study was to explore the usefulness of ecSOD activity on admission in AECOPD as an objective predictor for 1-year all-cause mortality.MethodsWe measured serum ecSOD activity in AECOPD patients on admission in a prospective cohort study. We also recorded their laboratory and clinical data. Multivariate Cox regression was used to analyze the association between ecSOD activity and the risk of 1-year all-cause mortality. Restricted cubic spline curves were used to visualize the relationship between ecSOD activity and the hazard ratio of 1-year all-cause mortality.ResultsA total of 367 patients were followed up for 1 year, and 29 patients died during a 1-year follow-up period. Compared with survivors, the non-survivors were older (79.52 ± 8.39 vs. 74.38 ± 9.34 years old, p = 0.004) and had increased levels of tobacco consumption (47.07 ± 41.67 vs. 33.83 ± 31.79 pack-years, p = 0.037). Having an ecSOD activity ≤ 98.8 U/ml was an independent risk factor of 1-year all-cause mortality after adjustment for baseline differences, clinical variables and comorbidities [hazard ratio = 5.51, 95% confidence interval (CI): 2.35–12.95, p < 0.001].ConclusionLower serum ecSOD activity was a strong and independent predictor of 1-year all-cause mortality in AECOPD patients.
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Affiliation(s)
- Haiqing Li
- Department of Respiratory Medicine, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- State Key Laboratory of Respiratory Disease, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Wei Hong
- GMU-GIBH Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, China
| | - Zixiong Zeng
- Department of Respiratory Medicine, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Shan Gong
- Department of Respiratory Medicine, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Fan Wu
- State Key Laboratory of Respiratory Disease, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Zihui Wang
- State Key Laboratory of Respiratory Disease, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Heshen Tian
- State Key Laboratory of Respiratory Disease, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Juan Cheng
- Department of Respiratory Medicine, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Ruiting Sun
- State Key Laboratory of Respiratory Disease, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Mi Gao
- GMU-GIBH Joint School of Life Sciences, Guangzhou Medical University, Guangzhou, China
| | - Chunxiao Liang
- State Key Laboratory of Respiratory Disease, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Weitao Cao
- State Key Laboratory of Respiratory Disease, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Guoping Hu
- Department of Respiratory Medicine, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- *Correspondence: Guoping Hu
| | - Yuqun Li
- Department of Respiratory Medicine, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Liping Wei
- Department of Respiratory Medicine, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Yumin Zhou
- State Key Laboratory of Respiratory Disease, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
| | - Pixin Ran
- State Key Laboratory of Respiratory Disease, National Center for Respiratory Medicine, National Clinical Research Center for Respiratory Disease, Guangzhou Institute of Respiratory Health, The First Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
- Pixin Ran
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Yadav RS, Kant S, Tripathi PM, Pathak AK, Mahdi AA. Transcription factor NF-κB, interleukin-1β, and interleukin-8 expression and its association with tobacco smoking and severity in chronic obstructive pulmonary disease. GENE REPORTS 2022. [DOI: 10.1016/j.genrep.2021.101453] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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p62-Nrf2 Regulatory Loop Mediates the Anti-Pulmonary Fibrosis Effect of Bergenin. Antioxidants (Basel) 2022; 11:antiox11020307. [PMID: 35204190 PMCID: PMC8868171 DOI: 10.3390/antiox11020307] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Revised: 01/27/2022] [Accepted: 01/29/2022] [Indexed: 11/20/2022] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) can severely disrupt lung function, leading to fatal consequences, and there is currently a lack of specific therapeutic drugs. Bergenin is an isocoumarin compound with lots of biological functions including antioxidant activity. This study evaluated the potential beneficial effects of bergenin on pulmonary fibrosis and investigated the possible mechanisms. We found that bergenin alleviated bleomycin-induced pulmonary fibrosis by relieving oxidative stress, reducing the deposition of the extracellular matrix (ECM) and inhibiting the formation of myofibroblasts. Furthermore, we showed that bergenin could induce phosphorylation and expression of p62 and activation of Nrf2, Nrf2 was required for bergenin-induced p62 upregulation, and p62 knockdown reduced bergenin-induced Nrf2 activity. More importantly, knockdown of Nrf2 or p62 could abrogate the antioxidant activity of bergenin and the inhibition effect of bergenin on TGF-β-induced ECM deposition and myofibroblast differentiation. Thereby, a regulatory loop is formed between p62 and Nrf2, which is an important target for bergenin aimed at treating pulmonary fibrosis.
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Estornut C, Milara J, Bayarri MA, Belhadj N, Cortijo J. Targeting Oxidative Stress as a Therapeutic Approach for Idiopathic Pulmonary Fibrosis. Front Pharmacol 2022; 12:794997. [PMID: 35126133 PMCID: PMC8815729 DOI: 10.3389/fphar.2021.794997] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 12/10/2021] [Indexed: 01/19/2023] Open
Abstract
Idiopathic pulmonary fibrosis (IPF) is a chronic interstitial lung disease characterized by an abnormal reepithelialisation, an excessive tissue remodelling and a progressive fibrosis within the alveolar wall that are not due to infection or cancer. Oxidative stress has been proposed as a key molecular process in pulmonary fibrosis development and different components of the redox system are altered in the cellular actors participating in lung fibrosis. To this respect, several activators of the antioxidant machinery and inhibitors of the oxidant species and pathways have been assayed in preclinical in vitro and in vivo models and in different clinical trials. This review discusses the role of oxidative stress in the development and progression of IPF and its underlying mechanisms as well as the evidence of oxidative stress in human IPF. Finally, we analyze the mechanism of action, the efficacy and the current status of different drugs developed to inhibit the oxidative stress as anti-fibrotic therapy in IPF.
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Affiliation(s)
- Cristina Estornut
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain
- *Correspondence: Cristina Estornut, ; Javier Milara,
| | - Javier Milara
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain
- Pharmacy Unit, University General Hospital Consortium, Valencia, Spain
- CIBERES, Health Institute Carlos III, Valencia, Spain
- *Correspondence: Cristina Estornut, ; Javier Milara,
| | - María Amparo Bayarri
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain
| | - Nada Belhadj
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain
| | - Julio Cortijo
- Department of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain
- Pharmacy Unit, University General Hospital Consortium, Valencia, Spain
- CIBERES, Health Institute Carlos III, Valencia, Spain
- Research and Teaching Unit, University General Hospital Consortium, Valencia, Spain
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von Knethen A, Heinicke U, Laux V, Parnham MJ, Steinbicker AU, Zacharowski K. Antioxidants as Therapeutic Agents in Acute Respiratory Distress Syndrome (ARDS) Treatment-From Mice to Men. Biomedicines 2022; 10:98. [PMID: 35052778 PMCID: PMC8773193 DOI: 10.3390/biomedicines10010098] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2021] [Revised: 12/26/2021] [Accepted: 12/31/2021] [Indexed: 12/16/2022] Open
Abstract
Acute respiratory distress syndrome (ARDS) is a major cause of patient mortality in intensive care units (ICUs) worldwide. Considering that no causative treatment but only symptomatic care is available, it is obvious that there is a high unmet medical need for a new therapeutic concept. One reason for a missing etiologic therapy strategy is the multifactorial origin of ARDS, which leads to a large heterogeneity of patients. This review summarizes the various kinds of ARDS onset with a special focus on the role of reactive oxygen species (ROS), which are generally linked to ARDS development and progression. Taking a closer look at the data which already have been established in mouse models, this review finally proposes the translation of these results on successful antioxidant use in a personalized approach to the ICU patient as a potential adjuvant to standard ARDS treatment.
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Affiliation(s)
- Andreas von Knethen
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Theodor-Stern-Kai 7, 60596 Frankfurt, Germany
| | - Ulrike Heinicke
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany
| | - Volker Laux
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Theodor-Stern-Kai 7, 60596 Frankfurt, Germany
| | - Michael J Parnham
- Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, Theodor-Stern-Kai 7, 60596 Frankfurt, Germany
| | - Andrea U Steinbicker
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany
| | - Kai Zacharowski
- Department of Anaesthesiology, Intensive Care Medicine and Pain Therapy, University Hospital Frankfurt, Theodor-Stern-Kai 7, 60590 Frankfurt, Germany
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Xin J, Shang Y. Alternariol alleviates breast carcinoma by inhibiting cellular proliferation correlated with increased apoptotic events in rats. EUR J INFLAMM 2022. [DOI: 10.1177/1721727x221139485] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
The breast cancer is most frequently diagnosed cancer in the women worldwide. Our study investigated the anticancer effect of alternariol, a secondary metabolite originated from endophytic fungi, against DMBA induced breast carcinoma on Wistar rats. The toxicity study investigated the LD50 and the subsequent doses of alternariol for the carcinogenic study. The breast cancer was developed in rats via induction of DMBA (5 mg/kg, i.v.) and the carcinogenic study was continued for 24 weeks. The induction of breast cancer and the chemotherapeutic effect of alternariol were assessed through histopathological analysis of rat mammary tissue, followed by immunohistochemical analysis, cell proliferation assay and apoptosis assay by TUNEL method. The result showed that alternariol therapy decreased the hyperplastic lesions of mammary tissue and restored the normal histopathological characteristics of breast tissue. Furthermore, alternariol treatment downregulated the expression of carcinogenic markers such as PI3K and Akt increased the expression of apoptotic markers including p53, caspase-3 and Bax. Alternariol therapy also decreased the cellular proliferation and enhanced the apoptotic events. In conclusion, the breast cancer progression was significantly reduced via induction of apoptotic events and inhibition of cell propagation which allowed constructing of suitable mechanism for alternariol mediated chemotherapeutic approach.
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Affiliation(s)
- Jian Xin
- The Third Department of General Surgery, Taizhou First People’s Hospital, Taizhou, China
| | - Yitai Shang
- The Third Department of General Surgery, Taizhou First People’s Hospital, Taizhou, China
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Ma L, Chang E, Ruan X, Zhang B, Tang F, Zhang J. The protective effects of Omarigliptin against Lipopolysaccharide (LPS)- induced inflammatory response and expression of mucin 5AC (MUC5AC) in human bronchial epithelial cells. Mol Immunol 2021; 141:108-115. [PMID: 34871838 DOI: 10.1016/j.molimm.2021.11.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 11/11/2021] [Accepted: 11/15/2021] [Indexed: 01/26/2023]
Abstract
The epidemic of chronic inflammatory lung diseases such as asthma, bronchitis, and chronic obstructive pulmonary disease (COPD) has become a global public health problem. Oxidative stress, inflammation, and overproduction of airway mucus play critical roles in the progression of these diseases. Omarigliptin, an oral dipeptidyl peptidase 4 (DPP-4) inhibitor, has been demonstrated to have anti-inflammatory effects in patients with type II diabetes. However, its role in chronic inflammatory lung diseases remains enigmatic. This study is to investigate whether Omarigliptin possesses a beneficial effect against Lipopolysaccharide (LPS)-induced injuries in human BEAS-2B bronchial epithelial cells. Our results show that Omarigliptin suppressed LPS-induced oxidative stress by attenuating the generation of mitochondrial reactive oxygen species (ROS) and decrease in reduced glutathione (GSH) in BEAS-2B cells. Additionally, Omarigliptin mitigated inflammatory response by inhibiting the expression of pro-inflammatory mediators, including interleukin-1β (IL-1β), interleukin-12 (IL-12), and macrophage chemoattractant protein-1 (MCP-1) in LPS-challenged BEAS-2B cells. Moreover, Omarigliptin mitigated the LPS-induced overproduction of MUC5AC by rescuing the expression of the suppressor of cytokine signaling 1(SOCS1). Importantly, we found that this process is mediated by the Adenosine 5'-monophosphate (AMP)-activated protein kinase (AMPK) signaling pathway. Based on these findings, we conclude that Omarigliptin might be a promising agent for the treatment of chronic inflammatory lung diseases.
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Affiliation(s)
- Libin Ma
- Department of Anesthesia and Perioperative Medicine, Henan Provincial People's Hospital, Zhengzhou, Henan, 450000, China
| | - Enqiang Chang
- Department of Anesthesia and Perioperative Medicine, Henan Provincial People's Hospital, Zhengzhou, Henan, 450000, China
| | - Xiaoguo Ruan
- Department of Anesthesia and Perioperative Medicine, Henan Provincial People's Hospital, Zhengzhou, Henan, 450000, China
| | - Beibei Zhang
- Department of Anesthesia and Perioperative Medicine, Henan Provincial People's Hospital, Zhengzhou, Henan, 450000, China
| | - Fudong Tang
- Department of Anesthesia and Perioperative Medicine, Henan Provincial People's Hospital, Zhengzhou, Henan, 450000, China
| | - Jiaqiang Zhang
- Department of Anesthesia and Perioperative Medicine, Henan Provincial People's Hospital, Zhengzhou, Henan, 450000, China.
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Genome-Wide RNAi Screening Identifies Novel Pathways/Genes Involved in Oxidative Stress and Repurposable Drugs to Preserve Cystic Fibrosis Airway Epithelial Cell Integrity. Antioxidants (Basel) 2021; 10:antiox10121936. [PMID: 34943039 PMCID: PMC8750174 DOI: 10.3390/antiox10121936] [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: 11/08/2021] [Revised: 11/23/2021] [Accepted: 11/27/2021] [Indexed: 12/20/2022] Open
Abstract
Recurrent infection-inflammation cycles in cystic fibrosis (CF) patients generate a highly oxidative environment, leading to progressive destruction of the airway epithelia. The identification of novel modifier genes involved in oxidative stress susceptibility in the CF airways might contribute to devise new therapeutic approaches. We performed an unbiased genome-wide RNAi screen using a randomized siRNA library to identify oxidative stress modulators in CF airway epithelial cells. We monitored changes in cell viability after a lethal dose of hydrogen peroxide. Local similarity and protein-protein interaction network analyses uncovered siRNA target genes/pathways involved in oxidative stress. Further mining against public drug databases allowed identifying and validating commercially available drugs conferring oxidative stress resistance. Accordingly, a catalog of 167 siRNAs able to confer oxidative stress resistance in CF submucosal gland cells targeted 444 host genes and multiple circuitries involved in oxidative stress. The most significant processes were related to alternative splicing and cell communication, motility, and remodeling (impacting cilia structure/function, and cell guidance complexes). Other relevant pathways included DNA repair and PI3K/AKT/mTOR signaling. The mTOR inhibitor everolimus, the α1-adrenergic receptor antagonist doxazosin, and the Syk inhibitor fostamatinib significantly increased the viability of CF submucosal gland cells under strong oxidative stress pressure. Thus, novel therapeutic strategies to preserve airway cell integrity from the harsh oxidative milieu of CF airways could stem from a deep understanding of the complex consequences of oxidative stress at the molecular level, followed by a rational repurposing of existing "protective" drugs. This approach could also prove useful to other respiratory pathologies.
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Fernandes ER, Pires GN, Andersen ML, Tufik S, Rosa DS. Oxygen saturation as a predictor of inflammation in obstructive sleep apnea. Sleep Breath 2021; 26:1613-1620. [PMID: 34792741 DOI: 10.1007/s11325-021-02521-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2021] [Revised: 10/04/2021] [Accepted: 10/27/2021] [Indexed: 11/24/2022]
Abstract
PURPOSE Obstructive sleep apnea (OSA) is a chronic sleep disorder, and its prevalence is increasing worldwide. This disorder has been consistently associated with several comorbidities. Although it is clear that obstructive sleep apnea severity is associated with inflammation, the trigger for this phenomenon continues to puzzle scientists. Here, we investigated the relationship between obstructive sleep apnea severity and immune parameters. METHODS In this cross-sectional epidemiological research, we analyzed the immune profile of 461 adults according to OSA severity (mild, moderate, and severe) and oxygen saturation. RESULTS The hallmark of OSA severity - the apnea-hypopnea index (AHI) - weakly correlated with an inflammatory profile. However, individuals who experienced lower oxygen saturation were more likely to exhibit higher total leukocyte and neutrophil counts, a higher neutrophil-lymphocyte ratio (NLR), and an increased concentration of C-reactive protein. CONCLUSION Our findings indicated that oxygen saturation is a predictor of inflammation during OSA and should be considered crucial in disease diagnostic and treatment strategies.
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Affiliation(s)
- Edgar Ruz Fernandes
- Departamento de Microbiologia, Imunologia E Parasitologia, Universidade Federal de São Paulo (UNIFESP/EPM), Rua Botucatu, 862, 4° andar, Vila Clementino, São Paulo, Brazil
| | - Gabriel Natan Pires
- Departamento de Psicobiologia, Universidade Federal de São Paulo (UNIFESP/EPM), São Paulo, Brazil
| | - Monica Levy Andersen
- Departamento de Psicobiologia, Universidade Federal de São Paulo (UNIFESP/EPM), São Paulo, Brazil
| | - Sergio Tufik
- Departamento de Psicobiologia, Universidade Federal de São Paulo (UNIFESP/EPM), São Paulo, Brazil
| | - Daniela Santoro Rosa
- Departamento de Microbiologia, Imunologia E Parasitologia, Universidade Federal de São Paulo (UNIFESP/EPM), Rua Botucatu, 862, 4° andar, Vila Clementino, São Paulo, Brazil. .,Institute for Investigation in Immunology (iii-INCT), São Paulo, Brazil.
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Mineral Micronutrients in Asthma. Nutrients 2021; 13:nu13114001. [PMID: 34836256 PMCID: PMC8625329 DOI: 10.3390/nu13114001] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2021] [Revised: 11/07/2021] [Accepted: 11/08/2021] [Indexed: 01/01/2023] Open
Abstract
Asthma represents one of the most common medical issues in the modern world. It is a chronic inflammatory disease characterized by persistent inflammation of the airways and disturbances in redox status, leading to hyperresponsiveness of bronchi and airway obstruction. Apart from classical risk factors such as air pollution, family history, allergies, or obesity, disturbances of the levels of micronutrients lead to impairments in the defense mechanisms of the affected organism against oxidative stress and proinflammatory stimuli. In the present review, the impact of micronutrients on the prevalence, severity, and possible risk factors of asthma is discussed. Although the influence of classical micronutrients such as selenium, copper, or zinc are well known, the effects of those such as iodine or manganese are only rarely mentioned. As a consequence, the aim of this paper is to demonstrate how disturbances in the levels of micronutrients and their supplementation might affect the course of asthma.
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Carnosol attenuates bleomycin-induced lung damage via suppressing fibrosis, oxidative stress and inflammation in rats. Life Sci 2021; 287:120059. [PMID: 34728227 DOI: 10.1016/j.lfs.2021.120059] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Revised: 10/04/2021] [Accepted: 10/13/2021] [Indexed: 11/21/2022]
Abstract
AIMS Bleomycin, an important toxic anti-cancer agent, induces pulmonary fibrosis. The significance of oxidative stress and inflammation in promoting of bleomycin-induced idiopathic pulmonary fibrosis (IPF) has been reported. Thus, we evaluated the protective effects of carnosol as a robust natural antioxidant and anti-inflammatory agent for bleomycin-related IPF in rats. MAIN METHODS Male Wistar rats (n = 40) were randomly assigned to five groups. Group 1 was administrated with saline (intratracheally) on day 7 and oral gavage of dimethyl sulfoxide (DMSO, 0.05%) from day 1 to day 28. Group 2 received a single dose of bleomycin (intratracheally, 7.5 UI/kg) on day 7 and oral gavage of saline for 28 days. Groups 3, 4 and 5 were administrated with bleomycin (single dose) on day 7, along with oral administration of carnosol (at doses 10, 20 and 40 mg/kg, respectively) from day 1 to day 28. The lungs were isolated to measure the histopathological and biochemical and inflammatory markers. KEY FINDINGS Carnosol treatment significantly reduced malondialdehyde, nitric oxide, protein carbonyl, tumor necrosis factor- α, interleukin-6 levels and myeloperoxidase activity in the lungs of rats exposed to bleomycin. Also, lung glutathione content, catalase, glutathione peroxidase and superoxide dismutase activities significantly increased in the carnosol/bleomycin-treated group than the bleomycin group. Lung index, hydroxyproline content, fibrosis and histopathological changes, also significantly decreased by carnosol therapy. SIGNIFICANCE Treatment with carnosol can modulate biochemical and histological alterations caused by bleomycin. Thus, it can be regarded as an appropriate therapeutic approach for IPF.
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Antioxidant Properties of Hydrogen Gas Attenuates Oxidative Stress in Airway Epithelial Cells. Molecules 2021; 26:molecules26216375. [PMID: 34770784 PMCID: PMC8588133 DOI: 10.3390/molecules26216375] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 10/16/2021] [Accepted: 10/19/2021] [Indexed: 11/28/2022] Open
Abstract
Oxidative stress plays a crucial role in the development of airway diseases. Recently, hydrogen (H2) gas has been explored for its antioxidant properties. This study investigated the role of H2 gas in oxidative stress-induced alveolar and bronchial airway injury, where A549 and NCI-H292 cells were stimulated with hydrogen peroxide (H2O2) and lipopolysaccharide (LPS) in vitro. Results show that time-dependent administration of 2% H2 gas recovered the cells from oxidative stress. Various indicators including reactive oxygen species (ROS), nitric oxide (NO), antioxidant enzymes (catalase, glutathione peroxidase), intracellular calcium, and mitogen-activated protein kinase (MAPK) signaling pathway were examined to analyze the redox profile. The viability of A549 and NCI-H292 cells and the activity of antioxidant enzymes were reduced following induction by H2O2 and LPS but were later recovered using H2 gas. Additionally, the levels of oxidative stress markers, including ROS and NO, were elevated upon induction but were attenuated after treatment with H2 gas. Furthermore, H2 gas suppressed oxidative stress-induced MAPK activation and maintained calcium homeostasis. This study suggests that H2 gas can rescue airway epithelial cells from H2O2 and LPS-induced oxidative stress and may be a potential intervention for airway diseases.
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Cation complexation by mucoid Pseudomonas aeruginosa extracellular polysaccharide. PLoS One 2021; 16:e0257026. [PMID: 34473773 PMCID: PMC8412252 DOI: 10.1371/journal.pone.0257026] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2021] [Accepted: 08/23/2021] [Indexed: 11/25/2022] Open
Abstract
Mucoid Pseudomonas aeruginosa is a prevalent cystic fibrosis (CF) lung colonizer, producing an extracellular matrix (ECM) composed predominantly of the extracellular polysaccharide (EPS) alginate. The ECM limits antimicrobial penetration and, consequently, CF sufferers are prone to chronic mucoid P. aeruginosa lung infections. Interactions between cations with elevated concentrations in the CF lung and the anionic EPS, enhance the structural rigidity of the biofilm and exacerbates virulence. In this work, two large mucoid P. aeruginosa EPS models, based on β-D-mannuronate (M) and β-D-mannuronate-α-L-guluronate systems (M-G), and encompassing thermodynamically stable acetylation configurations–a structural motif unique to mucoid P. aeruginosa–were created. Using highly accurate first principles calculations, stable coordination environments adopted by the cations have been identified and thermodynamic stability quantified. These models show the weak cross-linking capability of Na+ and Mg2+ ions relative to Ca2+ ions and indicate a preference for cation binding within M-G blocks due to the smaller torsional rearrangements needed to reveal stable binding sites. The geometry of the chelation site influences the stability of the resulting complexes more than electrostatic interactions, and the results show nuanced chemical insight into previous experimental observations.
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