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Xu S, Lu F, Gao J, Yuan Y. Inflammation-mediated metabolic regulation in adipose tissue. Obes Rev 2024; 25:e13724. [PMID: 38408757 DOI: 10.1111/obr.13724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/02/2023] [Revised: 11/04/2023] [Accepted: 01/17/2024] [Indexed: 02/28/2024]
Abstract
Chronic inflammation of adipose tissue is a prominent characteristic of many metabolic diseases. Lipid metabolism in adipose tissue is consistently dysregulated during inflammation, which is characterized by substantial infiltration by proinflammatory cells and high cytokine concentrations. Adipose tissue inflammation is caused by a variety of endogenous factors, such as mitochondrial dysfunction, reactive oxygen species (ROS) production, endoplasmic reticulum (ER) stress, cellular senescence, ceramides biosynthesis and mediators of lipopolysaccharides (LPS) signaling. Additionally, the gut microbiota also plays a crucial role in regulating adipose tissue inflammation. Essentially, adipose tissue inflammation arises from an imbalance in adipocyte metabolism and the regulation of immune cells. Specific inflammatory signals, including nuclear factor-κB (NF-κB) signaling, inflammasome signaling and inflammation-mediated autophagy, have been shown to be involved in the metabolic regulation. The pathogenesis of metabolic diseases characterized by chronic inflammation (obesity, insulin resistance, atherosclerosis and nonalcoholic fatty liver disease [NAFLD]) and recent research regarding potential therapeutic targets for these conditions are also discussed in this review.
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Affiliation(s)
- Shujie Xu
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Feng Lu
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jianhua Gao
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yi Yuan
- Department of Plastic and Reconstructive Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Wang W, Meng J, Wu D, Ding J, Liu J. mRNA and miRNA expression profiles reveal the potential roles of RLRs signaling pathway and mitophagy in duck hepatitis A virus type 1 infection. Poult Sci 2024; 103:103839. [PMID: 38810565 PMCID: PMC11166875 DOI: 10.1016/j.psj.2024.103839] [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: 03/07/2024] [Revised: 04/22/2024] [Accepted: 05/04/2024] [Indexed: 05/31/2024] Open
Abstract
Duck hepatitis A virus 1 (DHAV-1) is the primary cause of duck viral hepatitis, leading to sudden mortality in ducklings and significant economic losses in the duck industry. However, little is known about how DHAV-1 affects duckling liver at the molecular level. We conducted an analysis comparing the expression patterns of mRNAs and miRNAs in DHAV-1-infected duckling livers to understand the underlying mechanisms and dynamic changes. We identified 6,818 differentially expressed mRNAs (DEGs) and 144 differentially expressed microRNAs (DEMs) during DHAV-1 infection. Functional enrichment analysis of DEGs and miRNA target genes using gene ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) revealed their potential involvement in innate antiviral immunity, mitophagy, and pyroptosis. We constructed coexpression networks of mRNA-miRNA interactions and confirmed key DEMs (novel-mir333, novel-mir288, novel-mir197, and novel-mir71) using RT-qPCR. Further investigation demonstrated that DHAV-1 activates the RLRs signaling pathway, disrupts mitophagy, and induces pyroptosis. In conclusion, DHAV-1-induced antiviral immunity is closely linked to mitophagy, suggesting it could be a promising therapeutic target.
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Affiliation(s)
- Weiran Wang
- MOE Joint International Research Laboratory of Animal Health and Food Safety and Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, P. R. China
| | - Jinwu Meng
- MOE Joint International Research Laboratory of Animal Health and Food Safety and Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, P. R. China
| | - Desheng Wu
- MOE Joint International Research Laboratory of Animal Health and Food Safety and Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, P. R. China
| | - Jinxue Ding
- MOE Joint International Research Laboratory of Animal Health and Food Safety and Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, P. R. China
| | - Jiaguo Liu
- MOE Joint International Research Laboratory of Animal Health and Food Safety and Institute of Traditional Chinese Veterinary Medicine, College of Veterinary Medicine, Nanjing Agricultural University, Nanjing 210095, P. R. China.
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Ghonim MA, Ju J, Pyakurel K, Ibba SV, Abouzeid MM, Rady HF, Matsuyama S, Del Valle L, Boulares AH. Unconventional activation of PRKDC by TNF-α: deciphering its crucial role in Th1-mediated inflammation beyond DNA repair as part of the DNA-PK complex. J Inflamm (Lond) 2024; 21:14. [PMID: 38689261 PMCID: PMC11059672 DOI: 10.1186/s12950-024-00386-x] [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: 10/26/2023] [Accepted: 04/09/2024] [Indexed: 05/02/2024] Open
Abstract
BACKGROUND The DNA-dependent protein kinase (DNA-PK) complex comprises a catalytic (PRKDC) and two requisite DNA-binding (Ku70/Ku80) subunits. The role of the complex in repairing double-stranded DNA breaks (DSBs) is established, but its role in inflammation, as a complex or individual subunits, remains elusive. While only ~ 1% of PRKDC is necessary for DNA repair, we reported that partial inhibition blocks asthma in mice without causing SCID. METHODS We investigated the central role of PRKDC in inflammation and its potential association with DNA repair. We also elucidated the relationship between inflammatory cytokines (e.g., TNF-α) and PRKDC by analyzing its connections to inflammatory kinases. Human cell lines, primary human endothelial cells, and mouse fibroblasts were used to conduct the in vitro studies. For animal studies, LPS- and oxazolone-induced mouse models of acute lung injury (ALI) and delayed-type hypersensitivity (DHT) were used. Wild-type, PRKDC+/-, or Ku70+/- mice used in this study. RESULTS A ~ 50% reduction in PRKDC markedly blocked TNF-α-induced expression of inflammatory factors (e.g., ICAM-1/VCAM-1). PRKDC regulates Th1-mediated inflammation, such as DHT and ALI, and its role is highly sensitive to inhibition achieved by gene heterozygosity or pharmacologically. In endothelial or epithelial cells, TNF-α promoted rapid PRKDC phosphorylation in a fashion resembling that induced by, but independent of, DSBs. Ku70 heterozygosity exerted little to no effect on ALI in mice, and whatever effect it had was associated with a specific increase in MCP-1 in the lungs and systemically. While Ku70 knockout blocked VP-16-induced PRKDC phosphorylation, it did not prevent TNF-α - induced phosphorylation of the kinase, suggesting Ku70 dispensability. Immunoprecipitation studies revealed that PRKDC transiently interacts with p38MAPK. Inhibition of p38MAPK blocked TNF-α-induced PRKDC phosphorylation. Direct phosphorylation of PRKDC by p38MAPK was demonstrated using a cell-free system. CONCLUSIONS This study presents compelling evidence that PRKDC functions independently of the DNA-PK complex, emphasizing its central role in Th1-mediated inflammation. The distinct functionality of PRKDC as an individual enzyme, its remarkable sensitivity to inhibition, and its phosphorylation by p38MAPK offer promising therapeutic opportunities to mitigate inflammation while sparing DNA repair processes. These findings expand our understanding of PRKDC biology and open new avenues for targeted anti-inflammatory interventions.
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Affiliation(s)
- Mohamed A Ghonim
- The Stanley S. Scott Cancer Center, LSU Health Sciences Center-New Orleans, 1700 Tulane Ave, New Orleans, LA, 70112, USA
- Department of Microbiology and Immunology, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Jihang Ju
- The Stanley S. Scott Cancer Center, LSU Health Sciences Center-New Orleans, 1700 Tulane Ave, New Orleans, LA, 70112, USA
| | - Kusma Pyakurel
- The Stanley S. Scott Cancer Center, LSU Health Sciences Center-New Orleans, 1700 Tulane Ave, New Orleans, LA, 70112, USA
| | - Salome V Ibba
- The Stanley S. Scott Cancer Center, LSU Health Sciences Center-New Orleans, 1700 Tulane Ave, New Orleans, LA, 70112, USA
| | - Mai M Abouzeid
- The Stanley S. Scott Cancer Center, LSU Health Sciences Center-New Orleans, 1700 Tulane Ave, New Orleans, LA, 70112, USA
| | - Hamada F Rady
- The Stanley S. Scott Cancer Center, LSU Health Sciences Center-New Orleans, 1700 Tulane Ave, New Orleans, LA, 70112, USA
- Department of Microbiology and Immunology, Faculty of Pharmacy, Al-Azhar University, Cairo, Egypt
| | - Shigemi Matsuyama
- Department of Ophthalmology and Visual Science; Case Comprehensive Cancer Center, Case Western Reserve University, Cleveland, OH, USA
| | - Luis Del Valle
- The Stanley S. Scott Cancer Center, LSU Health Sciences Center-New Orleans, 1700 Tulane Ave, New Orleans, LA, 70112, USA
| | - A Hamid Boulares
- The Stanley S. Scott Cancer Center, LSU Health Sciences Center-New Orleans, 1700 Tulane Ave, New Orleans, LA, 70112, USA.
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Wang ZZ, Li H, Maskey AR, Srivastava K, Liu C, Yang N, Xie T, Fu Z, Li J, Liu X, Sampson HA, Li XM. The Efficacy & Molecular Mechanisms of a Terpenoid Compound Ganoderic Acid C1 on Corticosteroid-Resistant Neutrophilic Airway Inflammation: In vivo and in vitro Validation. J Inflamm Res 2024; 17:2547-2561. [PMID: 38686360 PMCID: PMC11057679 DOI: 10.2147/jir.s433430] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Accepted: 01/23/2024] [Indexed: 05/02/2024] Open
Abstract
Introduction Neutrophil predominant airway inflammation is associated with severe and steroid-resistant asthma clusters. Previously, we reported efficacy of ASHMI, a three-herb TCM asthma formula in a steroid-resistant neutrophil-dominant murine asthma model and further identified Ganoderic Acid C1 (GAC1) as a key ASHMI active compound in vitro. The objective of this study is to investigate GAC1 effect on neutrophil-dominant, steroid-resistant asthma in a murine model. Methods In this study, Balb/c mice were systematically sensitized with ragweed (RW) and alum and intranasally challenged with ragweed. Unsensitized/PBS challenged mice served as normal controls. Post sensitization, mice were given 4 weeks of oral treatment with GAC1 or acute dexamethasone (Dex) treatment at 48 hours prior to challenge. Pulmonary cytokines were measured by ELISA, and lung sections were processed for histology by H&E staining. Furthermore, GAC1 effect on MUC5AC expression and on reactive oxygen species (ROS) production in human lung epithelial cell line (NCI-H292) was determined by qRT-PCR and ROS assay kit, respectively. Computational analysis was applied to select potential targets of GAC1 in steroid-resistant neutrophil-dominant asthma. Molecular docking was performed to predict binding modes between GAC1 and Dex with TNF-α. Results The result of the study showed that chronic GAC1 treatment, significantly reduced pulmonary inflammation (P < 0.01-0.001 vs Sham) and airway neutrophilia (P < 0.01 vs Sham), inhibited TNF-α, IL-4 and IL-5 levels (P < 0.05-0.001 vs Sham). Acute Dex treatment reduced eosinophilic inflammation and IL-4, IL-5 levels, but had no effect on neutrophilia and TNF-α production. GAC1 treated H292 cells showed decreased MUC5AC gene expression and production of ROS (P < 0.001 vs stimulated/untreated cells). Molecular docking results showed binding energy of complex GAC1-TNF was -10.8 kcal/mol. Discussion GAC1 may be a promising anti-asthma botanical drug for treatment of steroid-resistant asthma.
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Affiliation(s)
- Zhen-Zhen Wang
- Academy of Chinese Medical Science, Henan University of Chinese Medicine, Zhengzhou, Henan, People’s Republic of China
- Department of Pathology, Microbiology & Immunology, New York Medical College, Valhalla, NY, USA
- Collaborative Innovation Center of Research and Development on the Whole Industry Chain of Yu-Yao, Zhengzhou, Henan, People’s Republic of China
| | - Hang Li
- Central Lab, Shenzhen Bao’an Chinese Medicine Hospital, Guangzhou University of Chinese Medicine, Shenzhen, Guangdong, People’s Republic of China
| | - Anish R Maskey
- Department of Pathology, Microbiology & Immunology, New York Medical College, Valhalla, NY, USA
| | - Kamal Srivastava
- Department of Pathology, Microbiology & Immunology, New York Medical College, Valhalla, NY, USA
- General Nutraceutical Technology, Elmsford, NY, USA
| | - Changda Liu
- Department of Pediatrics, Division of Allergy and Immunology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Nan Yang
- Department of Pathology, Microbiology & Immunology, New York Medical College, Valhalla, NY, USA
- General Nutraceutical Technology, Elmsford, NY, USA
| | - Taoyun Xie
- The Affiliated TCM Hospital of Guangzhou Medical University, Guangzhou, Guangdong, People’s Republic of China
| | - Ziyi Fu
- The First Clinical College, Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, People’s Republic of China
| | - Junxiong Li
- Guangdong Province Hospital of Integrated Chinese and Western Medicine, Foshan, Guangdong, People’s Republic of China
| | - Xiaohong Liu
- Department of Respiratory Medicine, The First Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, Guangdong, People’s Republic of China
| | - Hugh A Sampson
- Department of Pediatrics, Division of Allergy and Immunology, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Xiu-Min Li
- Department of Pathology, Microbiology & Immunology, New York Medical College, Valhalla, NY, USA
- Department of Otolaryngology, Westchester Medical Center New York Medical College, Valhalla, NY, USA
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Cai B, Xu Y, Luo R, Lu K, Wang Y, Zheng L, Zhang Y, Yin L, Tu L, Luo W, Zheng L, Zhang F, Lv X, Tang Q, Liang G, Chen L. Discovery of a doublecortin-like kinase 1 inhibitor to prevent inflammatory responses in acute lung injury. Bioorg Chem 2024; 145:107215. [PMID: 38394920 DOI: 10.1016/j.bioorg.2024.107215] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2023] [Revised: 02/07/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024]
Abstract
Doublecortin-like kinase 1 (DCLK1) is a microtubule-associated protein kinase involved in neurogenesis and human cancer. Recent studies have revealed a novel functional role for DCLK1 in inflammatory signaling, thus positioning it as a novel target kinase for respiratory inflammatory disease treatment. In this study, we designed and synthesized a series of NVP-TAE684-based derivatives as novel anti-inflammatory agents targeting DCLK1. Bio-layer interferometry binding screening and kinase assays of the NVP-TAE684 derivatives led to the discovery of an effective DCLK1 inhibitor (a24), with an IC50 of 179.7 nM. Compound a24 effectively inhibited lipopolysaccharide (LPS)-induced inflammation in macrophages with higher potency than the lead compound. Mechanistically, compound a24 inhibited LPS-induced inflammation by inhibiting DCLK1-mediated IKKβ phosphorylation. Furthermore, compound a24 showed in vivo anti-inflammatory activity in an LPS-challenged acute lung injury model. These findings suggest that compound a24 may serve as a novel candidate for the development of DCLK1 inhibitors and a potential therapeutic agent for the treatment of inflammatory diseases.
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Affiliation(s)
- Binhao Cai
- Department of Pharmacy and Institute of Inflammation, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang 310014, China; School of Pharmacy, Hangzhou Medical College, Hangzhou 310012 Zhejiang, China; Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Ying Xu
- School of Pharmacy, Hangzhou Medical College, Hangzhou 310012 Zhejiang, China
| | - Ruixiang Luo
- School of Pharmacy, Hangzhou Medical College, Hangzhou 310012 Zhejiang, China
| | - Kongqin Lu
- Schol of Basic Medicine, Inner Mongolia Medical University, Hohhot 010059, China
| | - Yuhan Wang
- School of Pharmacy, Hangzhou Medical College, Hangzhou 310012 Zhejiang, China
| | - Lei Zheng
- School of Pharmacy, Hangzhou Medical College, Hangzhou 310012 Zhejiang, China
| | - Yawen Zhang
- School of Pharmacy, Hangzhou Medical College, Hangzhou 310012 Zhejiang, China
| | - Lina Yin
- School of Pharmacy, Hangzhou Medical College, Hangzhou 310012 Zhejiang, China
| | - Linglan Tu
- School of Pharmacy, Hangzhou Medical College, Hangzhou 310012 Zhejiang, China
| | - Wu Luo
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China
| | - Lulu Zheng
- Department of Pharmacy, Tongde Hospital of Zhejiang Province, Hangzhou, Zhejiang 310000, China
| | - Fengzhi Zhang
- School of Pharmacy, Hangzhou Medical College, Hangzhou 310012 Zhejiang, China
| | - Xinting Lv
- School of Pharmacy, Hangzhou Medical College, Hangzhou 310012 Zhejiang, China
| | - Qidong Tang
- Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.
| | - Guang Liang
- Department of Pharmacy and Institute of Inflammation, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang 310014, China; School of Pharmacy, Hangzhou Medical College, Hangzhou 310012 Zhejiang, China; Chemical Biology Research Center, School of Pharmaceutical Sciences, Wenzhou Medical University, Wenzhou, Zhejiang 325035, China.
| | - Lingfeng Chen
- Department of Pharmacy and Institute of Inflammation, Zhejiang Provincial People's Hospital, Affiliated People's Hospital, Hangzhou Medical College, Hangzhou, Zhejiang 310014, China; School of Pharmacy, Hangzhou Medical College, Hangzhou 310012 Zhejiang, China.
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Yu M, Zhang Q, Yan H. Cytokines and refractory mycoplasma pneumoniae pneumonia in children: a systematic review. Minerva Pediatr (Torino) 2024; 76:259-267. [PMID: 37155205 DOI: 10.23736/s2724-5276.23.07158-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/10/2023]
Abstract
INTRODUCTION The relationship between cytokines and refractory mycoplasma pneumoniae pneumonia (RMPP) in children was conflicting. The aim of the current study was to perform a systematic review to determine the relationship between cytokines and RMPP in children. EVIDENCE ACQUISITION We searched PubMed, and the search was done on 21 November 2022. This search was limited to human studies, with language restriction of English. Studies were included if they reported the relationship between cytokines and RMPP. EVIDENCE SYNTHESIS A total of 22 relevant full articles were included in the review. TNF-α levels in the bronchoalveolar lavage fluid (BALF) and IL-18 levels in the blood samples were likely to be associated with RMPP. IL-2 and IL-4 lost significance regardless in the BALF or blood samples. Additionally, there was no significant difference in IFN-γ levels between RMPP patients and non-refractory mycoplasma pneumoniae pneumonia (NRMPP) patients in the BALF. Patients receiving different treatments had different levels of cytokines. CONCLUSIONS This analysis offers evidence linking abnormalities of cytokines with RMPP in children, which may be essential for identifying individuals with RMPP. Large prospective studies are needed for further clarification of roles of cytokines in RMPP.
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Affiliation(s)
- Ming Yu
- Medical School of Nantong University, Nantong, China
- Affiliated Hospital of Nantong University, Nantong, China
| | - Qin Zhang
- Department of Nursing, the First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Haiou Yan
- Affiliated Hospital of Nantong University, Nantong, China -
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Rai P, Marano JM, Kang L, Coutermarsh-Ott S, Daamen AR, Lipsky PE, Weger-Lucarelli J. Obesity fosters severe disease outcomes in a mouse model of coronavirus infection associated with transcriptomic abnormalities. J Med Virol 2024; 96:e29587. [PMID: 38587204 DOI: 10.1002/jmv.29587] [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: 02/01/2024] [Revised: 03/15/2024] [Accepted: 03/25/2024] [Indexed: 04/09/2024]
Abstract
Obesity has been identified as an independent risk factor for severe outcomes in humans with coronavirus disease 2019 (COVID-19) and other infectious diseases. Here, we established a mouse model of COVID-19 using the murine betacoronavirus, mouse hepatitis virus 1 (MHV-1). C57BL/6 and C3H/HeJ mice exposed to MHV-1 developed mild and severe disease, respectively. Obese C57BL/6 mice developed clinical manifestations similar to those of lean controls. In contrast, all obese C3H/HeJ mice succumbed by 8 days postinfection, compared to a 50% mortality rate in lean controls. Notably, both lean and obese C3H/HeJ mice exposed to MHV-1 developed lung lesions consistent with severe human COVID-19, with marked evidence of diffuse alveolar damage (DAD). To identify early predictive biomarkers of worsened disease outcomes in obese C3H/HeJ mice, we sequenced RNA from whole blood 2 days postinfection and assessed changes in gene and pathway expression. Many pathways uniquely altered in obese C3H/HeJ mice postinfection aligned with those found in humans with severe COVID-19. Furthermore, we observed altered gene expression related to the unfolded protein response and lipid metabolism in infected obese mice compared to their lean counterparts, suggesting a role in the severity of disease outcomes. This study presents a novel model for studying COVID-19 and elucidating the mechanisms underlying severe disease outcomes in obese and other hosts.
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Affiliation(s)
- Pallavi Rai
- Department of Biomedical Sciences and Pathobiology, Virginia Tech, VA-MD College of Veterinary Medicine, Blacksburg, Virginia, USA
- Center for Emerging, Zoonotic, and Arthropod-borne Pathogens, Virginia Tech, Blacksburg, Virginia, USA
| | - Jeffrey M Marano
- Center for Emerging, Zoonotic, and Arthropod-borne Pathogens, Virginia Tech, Blacksburg, Virginia, USA
- Translational Biology, Medicine, and Health Graduate Program, Virginia Tech, Blacksburg, Virginia, USA
| | - Lin Kang
- Department of Biomedical Sciences and Pathobiology, Virginia Tech, VA-MD College of Veterinary Medicine, Blacksburg, Virginia, USA
- Biomedical Affairs and Research, Edward Via College of Osteopathic Medicine, Monroe, Louisiana, USA
- College of Pharmacy, University of Louisiana Monroe, Monroe, Louisiana, USA
| | - Sheryl Coutermarsh-Ott
- Department of Biomedical Sciences and Pathobiology, Virginia Tech, VA-MD College of Veterinary Medicine, Blacksburg, Virginia, USA
| | | | | | - James Weger-Lucarelli
- Department of Biomedical Sciences and Pathobiology, Virginia Tech, VA-MD College of Veterinary Medicine, Blacksburg, Virginia, USA
- Center for Emerging, Zoonotic, and Arthropod-borne Pathogens, Virginia Tech, Blacksburg, Virginia, USA
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Ben Attia T, Nahdi A, Horchani M, Elmay MV, Ksentini M, Ben Jannet H, Mhamdi A. Olea europaea L. leaf extract mitigates pulmonary inflammation and tissue destruction in Wistar rats induced by concurrent exposure to noise and toluene. Drug Chem Toxicol 2024:1-15. [PMID: 38508716 DOI: 10.1080/01480545.2024.2330014] [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: 08/27/2023] [Accepted: 03/08/2024] [Indexed: 03/22/2024]
Abstract
This study aimed to investigate the effects of combined exposure to noise (85 dB(A)) and inhaled Toluene (300 ± 10 ppm) on rat lung health. It also aimed to assess the potential therapeutic effects of Olea europaea L. leaves extract (OLE) (40 mg/kg/day) using biochemical, histopathological, and immunohistochemical (IHC) analyses, as well as determination of pro-inflammatory cytokines (TNF-α and IL-1β), and in silico Docking studies. The experiment involved forty-two male Wistar rats divided into seven groups, each exposed to a 6-week/6-hour/day regimen of noise and Toluene. The groups included a control group, rats co-exposed to noise and Toluene, and rats co-exposed to noise and Toluene treated with OLE for different durations. The results indicated that noise and Toluene exposure led to structural damage in lung tissue, oxidative harm, and increased levels of pro-inflammatory cytokines (TNF-α and IL-1β). However, the administration of OLE extract demonstrated positive effects in mitigating these adverse outcomes. OLE treatment reduced lipid peroxidation and enhanced the activities of catalase and superoxide dismutase, indicating its anti-oxidant properties. Furthermore, OLE significantly decreased the levels of pro-inflammatory cytokines compared to the groups exposed to noise and Toluene without OLE treatment. Moreover, the in silico investigation substantiated a robust affinity between COX-2 and OLE components, affirming the anti-inflammatory activity. Overall, our findings suggest that OLE possesses anti-inflammatory and anti-oxidative properties that mitigate the adverse effects of concurrent exposure to noise and Toluene.
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Affiliation(s)
- Takoua Ben Attia
- Department of Biology, University of Tunis El Manar, Tunis, Tunisia
| | - Afef Nahdi
- Department of Biology, University of Tunis El Manar, Tunis, Tunisia
| | - Mabrouk Horchani
- Department of Chemistry, University of Monastir, Monastir, Tunisia
| | | | - Meriem Ksentini
- Department of Biology, University of Tunis El Manar, Tunis, Tunisia
| | | | - Abada Mhamdi
- Department of Biology, University of Tunis El Manar, Tunis, Tunisia
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Dasgupta D, Mahadev Bhat S, Creighton C, Cortes C, Delmotte P, Sieck GC. Molecular mechanisms underlying TNFα-induced mitochondrial fragmentation in human airway smooth muscle cells. Am J Physiol Lung Cell Mol Physiol 2024; 326:L190-L205. [PMID: 38084427 DOI: 10.1152/ajplung.00198.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Revised: 12/05/2023] [Accepted: 12/05/2023] [Indexed: 01/06/2024] Open
Abstract
Tumor necrosis factor α (TNFα), a proinflammatory cytokine, plays a significant role in mediating the effects of acute inflammation in response to allergens, pollutants, and respiratory infections. Previously, we showed that acute exposure to TNFα induces mitochondrial fragmentation in human airway smooth muscle (hASM) cells, which is associated with increased expression of dynamin-related protein 1 (DRP1). Phosphorylation of DRP1 at serine 616 (pDRP1S616) promotes its translocation and binding to the outer mitochondrial membrane (OMM) and mediates mitochondrial fragmentation. Previously, we reported that TNFα exposure triggers protein unfolding and triggers an endoplasmic reticulum (ER) stress response involving phosphorylation of inositol-requiring enzyme 1α (pIRE1α) at serine 724 (pIRE1αS724) and subsequent splicing of X-box binding protein 1 (XBP1s) in hASM cells. We hypothesize that TNFα-mediated activation of the pIRE1αS724/XBP1s ER stress pathway in hASM cells transcriptionally activates genes that encode kinases responsible for pDRP1S616 phosphorylation. Using 3-D confocal imaging of MitoTracker green-labeled mitochondria, we found that TNFα treatment for 6 h induces mitochondrial fragmentation in hASM cells. We also confirmed that 6 h TNFα treatment activates the pIRE1α/XBP1s ER stress pathway. Using in silico analysis and ChIP assay, we showed that CDK1 and CDK5, kinases involved in the phosphorylation of pDRP1S616, are transcriptionally targeted by XBP1s. TNFα treatment increased the binding affinity of XBP1s on the promoter regions of CDK1 and CDK5, and this was associated with an increase in pDRP1S616 and mitochondria fragmentation. This study reveals a new underlying molecular mechanism for TNFα-induced mitochondrial fragmentation in hASM cells.NEW & NOTEWORTHY Airway inflammation is increasing worldwide. Proinflammatory cytokines mediate an adaptive mechanism to overcome inflammation-induced cellular stress. Previously, we reported that TNFα mediates hASM cellular responses, leading to increased force and ATP consumption associated with increased O2 consumption, and oxidative stress. This study indicates that TNFα induces ER stress, which induces mitochondrial fragmentation via pIRE1αS724/XBP1s mediated CDK1/5 upregulation and pDRP1S616 phosphorylation. Mitochondrial fragmentation may promote hASM mitochondrial biogenesis to maintain healthy mitochondrial pool.
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Affiliation(s)
- Debanjali Dasgupta
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
| | - Sanjana Mahadev Bhat
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
| | - Claire Creighton
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
| | - Catherin Cortes
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
| | - Philippe Delmotte
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
| | - Gary C Sieck
- Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, Minnesota, United States
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Meshanni JA, Lee JM, Vayas KN, Sun R, Jiang C, Guo GL, Gow AJ, Laskin JD, Laskin DL. Suppression of Lung Oxidative Stress, Inflammation, and Fibrosis following Nitrogen Mustard Exposure by the Selective Farnesoid X Receptor Agonist Obeticholic Acid. J Pharmacol Exp Ther 2024; 388:586-595. [PMID: 37188530 PMCID: PMC10801770 DOI: 10.1124/jpet.123.001557] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 03/26/2023] [Accepted: 04/22/2023] [Indexed: 05/17/2023] Open
Abstract
Nitrogen mustard (NM) is a cytotoxic vesicant known to cause pulmonary injury that can progress to fibrosis. NM toxicity is associated with an influx of inflammatory macrophages in the lung. Farnesoid X receptor (FXR) is a nuclear receptor involved in bile acid and lipid homeostasis that has anti-inflammatory activity. In these studies, we analyzed the effects of FXR activation on lung injury, oxidative stress, and fibrosis induced by NM. Male Wistar rats were exposed to phosphate-buffered saline (vehicle control) or NM (0.125 mg/kg) by intratracheal Penncentury-MicroSprayer aerosolization; this was followed by treatment with the FXR synthetic agonist, obeticholic acid (OCA, 15 mg/kg), or vehicle control (0.13-0.18 g peanut butter) 2 hours later and then once per day, 5 days per week thereafter for 28 days. NM caused histopathological changes in the lung, including epithelial thickening, alveolar circularization, and pulmonary edema. Picrosirius red staining and lung hydroxyproline content were increased, indicative of fibrosis; foamy lipid-laden macrophages were also identified in the lung. This was associated with aberrations in pulmonary function, including increases in resistance and hysteresis. Following NM exposure, lung expression of HO-1 and iNOS, and the ratio of nitrates/nitrites in bronchoalveolar lavage fluid (BAL), markers of oxidative stress increased, along with BAL levels of inflammatory proteins, fibrinogen, and sRAGE. Administration of OCA attenuated NM-induced histopathology, oxidative stress, inflammation, and altered lung function. These findings demonstrate that FXR plays a role in limiting NM-induced lung injury and chronic disease, suggesting that activating FXR may represent an effective approach to limiting NM-induced toxicity. SIGNIFICANCE STATEMENT: In this study, the role of farnesoid-X-receptor (FXR) in mustard vesicant-induced pulmonary toxicity was analyzed using nitrogen mustard (NM) as a model. This study's findings that administration of obeticholic acid, an FXR agonist, to rats reduces NM-induced pulmonary injury, oxidative stress, and fibrosis provide novel mechanistic insights into vesicant toxicity, which may be useful in the development of efficacious therapeutics.
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Affiliation(s)
- Jaclynn A Meshanni
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy (J.A.M., J.M.L., K.N.V., R.S., C.J., G.L.G., A.J.G., D.L.L.) and Department of Environmental and Occupational Health and Justice, School of Public Health (J.D.L.), Rutgers University, Piscataway, New Jersey
| | - Jordan M Lee
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy (J.A.M., J.M.L., K.N.V., R.S., C.J., G.L.G., A.J.G., D.L.L.) and Department of Environmental and Occupational Health and Justice, School of Public Health (J.D.L.), Rutgers University, Piscataway, New Jersey
| | - Kinal N Vayas
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy (J.A.M., J.M.L., K.N.V., R.S., C.J., G.L.G., A.J.G., D.L.L.) and Department of Environmental and Occupational Health and Justice, School of Public Health (J.D.L.), Rutgers University, Piscataway, New Jersey
| | - Rachel Sun
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy (J.A.M., J.M.L., K.N.V., R.S., C.J., G.L.G., A.J.G., D.L.L.) and Department of Environmental and Occupational Health and Justice, School of Public Health (J.D.L.), Rutgers University, Piscataway, New Jersey
| | - Chenghui Jiang
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy (J.A.M., J.M.L., K.N.V., R.S., C.J., G.L.G., A.J.G., D.L.L.) and Department of Environmental and Occupational Health and Justice, School of Public Health (J.D.L.), Rutgers University, Piscataway, New Jersey
| | - Grace L Guo
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy (J.A.M., J.M.L., K.N.V., R.S., C.J., G.L.G., A.J.G., D.L.L.) and Department of Environmental and Occupational Health and Justice, School of Public Health (J.D.L.), Rutgers University, Piscataway, New Jersey
| | - Andrew J Gow
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy (J.A.M., J.M.L., K.N.V., R.S., C.J., G.L.G., A.J.G., D.L.L.) and Department of Environmental and Occupational Health and Justice, School of Public Health (J.D.L.), Rutgers University, Piscataway, New Jersey
| | - Jeffrey D Laskin
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy (J.A.M., J.M.L., K.N.V., R.S., C.J., G.L.G., A.J.G., D.L.L.) and Department of Environmental and Occupational Health and Justice, School of Public Health (J.D.L.), Rutgers University, Piscataway, New Jersey
| | - Debra L Laskin
- Department of Pharmacology and Toxicology, Ernest Mario School of Pharmacy (J.A.M., J.M.L., K.N.V., R.S., C.J., G.L.G., A.J.G., D.L.L.) and Department of Environmental and Occupational Health and Justice, School of Public Health (J.D.L.), Rutgers University, Piscataway, New Jersey
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Xing Q, Liu X, Liu Z, Yan Q, Hu Y, Li W, Peng K. Elucidating the Mechanism of Buyanghuanwu Decoction Acting on Pulmonary Fibrosis Based on Network Pharmacology and Animal Studies. Comb Chem High Throughput Screen 2024; 27:1046-1055. [PMID: 37612869 PMCID: PMC11165711 DOI: 10.2174/1386207326666230823093958] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 07/20/2023] [Accepted: 07/24/2023] [Indexed: 08/25/2023]
Abstract
BACKGROUND AND OBJECTIVE Buyanghuanwu Decoction (BYHWD) is a clinically proven prescription effective in treating pulmonary fibrosis (PF), but the molecular mechanism underlying its action remains unclear. The network pharmacology analysis was performed to elucidate the acting substances and related pathways of BYHWD in treating bleomycin (BLM) induced PF mouse. METHODS First, the pharmacologically active components and corresponding targets in BYHWD were identified through the TCMSP database and literature review. Second, PF-related targets were identified through the DisGeNet database. Then, the components-targets network of BYHWD in PF treatment was constructed using Cytoscape. The DAVID database was used for the enrichment analysis of GO terms and KEGG pathways. At last, the therapeutic effect of BYHWD on BLMinduced PF mice were verified, and the mRNA and protein expression of related targets was determined through RT-PCR and western blotting, respectively. RESULTS The core component-target network contained 58 active components and 147 targets. Thirty-nine core targets were mainly involved in the regulation of biological functions and KEGG pathways, such as the positive regulation of nitric oxide biosynthesis and the TNF signaling pathway. These core targets were obtained through enrichment analysis. Moreover, animal studies revealed that BYHWD down-regulated the mRNA expression levels of TNF, IL-6, IL-1β, and NOS2 and inhibited NF-κB and p38 phosphorylation. CONCLUSION The effects of BYHWD on PF mice are therapeutic, and its anti-PF mechanism mainly involves the effects on inflammatory factors and the NF-κB/p38 pathway.
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Affiliation(s)
- Qichang Xing
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, 411100, China
- Zhou Honghao Research Institute Xiangtan, Xiangtan, Hunan, 411100, China
| | - Xiang Liu
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, 411100, China
- Zhou Honghao Research Institute Xiangtan, Xiangtan, Hunan, 411100, China
| | - Zheng Liu
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, 411100, China
| | - Qingzi Yan
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, 411100, China
| | - Yixiang Hu
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, 411100, China
| | - Wencan Li
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, 411100, China
| | - Ke Peng
- Department of Clinical Pharmacy, Xiangtan Central Hospital, Xiangtan, Hunan, 411100, China
- College of Pharmacy, Changsha Medical College, Changsha, Hunan, 410219, China
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Huang K, Xu B. Critical review of the phytochemical profiles and health-promoting effects of the edible mushroom Armillaria mellea. Food Funct 2023; 14:9518-9533. [PMID: 37850245 DOI: 10.1039/d3fo02334f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2023]
Abstract
Research on the nutritional and medicinal properties of wild edible mushrooms has witnessed a significant surge in recent years. Among these mushrooms, Armillaria mellea (AM) stands out due to its abundant biologically active components. The presence of biological compounds in AM, including carbohydrates, sterols, fatty acids, sesquiterpenes, non-hallucinogenic indole compounds and adenosine derivatives, has been demonstrated in previous studies. Notably, specific bioactive substances isolated from AM, such as armillarikin, have exhibited promising anticancer effects. In vitro studies have elucidated the mechanisms behind these effects, further emphasizing the potential of AM in cancer treatment. Consequently, the objective of this study is to provide a comprehensive overview of the phytochemical profiles of AM while thoroughly investigating its therapeutic benefits. Moreover, this research has uncovered novel and effective treatments, including the utilization of ultrasonic disruption extraction in food processing. These findings highlight the potential of AM as a functional food with possible medical applications. By exploring AM's phytochemical composition and therapeutic effects, this study aims to contribute to a deeper understanding of its potential as a valuable natural resource.
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Affiliation(s)
- Kaiyuan Huang
- Zhuhai Guangdong-Hong Kong Food Safety Testing Co., Ltd, Zhuhai 519087, China
- Food Science and Technology Program, Department of Life Sciences, BNU-HKBU United International College, Zhuhai 519087, Guangdong, China.
| | - Baojun Xu
- Food Science and Technology Program, Department of Life Sciences, BNU-HKBU United International College, Zhuhai 519087, Guangdong, China.
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Satyamitra MM, Andres DK, Bergmann JN, Hoffman CM, Hogdahl T, Homer MJ, Hu TC, Rios CI, Yeung DT, DiCarlo AL. Overlapping Science in Radiation and Sulfur Mustard Exposures of Skin and Lung: Consideration of Models, Mechanisms, Organ Systems, and Medical Countermeasures: Overlapping science in radiation and sulfur mustard injuries to lung and skin. Disaster Med Public Health Prep 2023; 17:e552. [PMID: 37852927 PMCID: PMC10843005 DOI: 10.1017/dmp.2023.176] [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] [Indexed: 10/20/2023]
Abstract
PURPOSE To summarize presentations and discussions from the 2022 trans-agency workshop titled "Overlapping science in radiation and sulfur mustard (SM) exposures of skin and lung: Consideration of models, mechanisms, organ systems, and medical countermeasures." METHODS Summary on topics includes: (1) an overview of the radiation and chemical countermeasure development programs and missions; (2) regulatory and industry perspectives for drugs and devices; 3) pathophysiology of skin and lung following radiation or SM exposure; 4) mechanisms of action/targets, biomarkers of injury; and 5) animal models that simulate anticipated clinical responses. RESULTS There are striking similarities between injuries caused by radiation and SM exposures. Primary outcomes from both types of exposure include acute injuries, while late complications comprise chronic inflammation, oxidative stress, and vascular dysfunction, which can culminate in fibrosis in both skin and lung organ systems. This workshop brought together academic and industrial researchers, medical practitioners, US Government program officials, and regulators to discuss lung-, and skin- specific animal models and biomarkers, novel pathways of injury and recovery, and paths to licensure for products to address radiation or SM injuries. CONCLUSIONS Regular communications between the radiological and chemical injury research communities can enhance the state-of-the-science, provide a unique perspective on novel therapeutic strategies, and improve overall US Government emergency preparedness.
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Affiliation(s)
- Merriline M. Satyamitra
- Radiation and Nuclear Countermeasures Program (RNCP), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH)
| | | | - Julie N. Bergmann
- Radiological/Nuclear Medical Countermeasures Program, Biomedical Advanced Research and Development Authority (BARDA)
| | - Corey M. Hoffman
- Radiological/Nuclear Medical Countermeasures Program, Biomedical Advanced Research and Development Authority (BARDA)
| | | | - Mary J. Homer
- Radiological/Nuclear Medical Countermeasures Program, Biomedical Advanced Research and Development Authority (BARDA)
| | - Tom C. Hu
- Chemical Medical Countermeasures Program, BARDA
| | - Carmen I. Rios
- Radiation and Nuclear Countermeasures Program (RNCP), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH)
| | - David T. Yeung
- Chemical Countermeasures Research Program (CCRP), NIAID, NIH
| | - Andrea L. DiCarlo
- Radiation and Nuclear Countermeasures Program (RNCP), National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH)
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14
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Malaviya R, Laskin JD, Businaro R, Laskin DL. Targeting Tumor Necrosis Factor Alpha to Mitigate Lung Injury Induced by Mustard Vesicants and Radiation. Disaster Med Public Health Prep 2023; 17:e553. [PMID: 37848400 PMCID: PMC10841250 DOI: 10.1017/dmp.2023.178] [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] [Indexed: 10/19/2023]
Abstract
Pulmonary injury induced by mustard vesicants and radiation is characterized by DNA damage, oxidative stress, and inflammation. This is associated with increases in levels of inflammatory mediators, including tumor necrosis factor (TNF)α in the lung and upregulation of its receptor TNFR1. Dysregulated production of TNFα and TNFα signaling has been implicated in lung injury, oxidative and nitrosative stress, apoptosis, and necrosis, which contribute to tissue damage, chronic inflammation, airway hyperresponsiveness, and tissue remodeling. These findings suggest that targeting production of TNFα or TNFα activity may represent an efficacious approach to mitigating lung toxicity induced by both mustards and radiation. This review summarizes current knowledge on the role of TNFα in pathologies associated with exposure to mustard vesicants and radiation, with a focus on the therapeutic potential of TNFα-targeting agents in reducing acute injury and chronic disease pathogenesis.
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Affiliation(s)
- Rama Malaviya
- Departments of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ, USA
| | - Jeffrey D. Laskin
- Departments of Environmental and Occupational Health and Justice, School of Public Health, Rutgers University, Piscataway, NJ, USA
| | - Rita Businaro
- Department of Medico-Surgical Sciences and Biotechnologies, Sapienza University of Rome, Latina, Italy
| | - Debra L. Laskin
- Departments of Pharmacology and Toxicology, Ernest Mario School of Pharmacy, Rutgers University, Piscataway, NJ, USA
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15
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Ji T, Chen M, Liu Y, Jiang H, Li N, He X. Artesunate alleviates intestinal ischemia/reperfusion induced acute lung injury via up-regulating AKT and HO-1 signal pathway in mice. Int Immunopharmacol 2023; 122:110571. [PMID: 37441813 DOI: 10.1016/j.intimp.2023.110571] [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: 04/12/2023] [Revised: 06/15/2023] [Accepted: 06/23/2023] [Indexed: 07/15/2023]
Abstract
Acute Lung injury (ALI) is a common complication following intestinal ischemia/reperfusion (II/R) injury that can lead to acute respiratory distress syndrome (ARDS) a fatal illness for there is no specific therapy. The semisynthetic artemisinin Artesunate (Art) extracted from Artemisia annua has been found lots of pharmaceutical effects such as anti-malaria, anti-inflammatory, and anti-apoptosis. This study aimed to investigate the effect of Artesunate on intestinal ischemia/reperfusion and the mechanism of how Artesunate works in mice. To establish the II/R model, the C57BL/c mice were subjected to occlude superior mesenteric artery (SMA) for 45 min and 120 min reperfusion, and the lung tissue was collected for examination. Severe lung injury occurred during the II/R, meanwhile Art pretreatment decreased the lung injury score, wet/dry ratio, the level of MDA, MPO, IL-1β, TNFα, CXCL1, MCP-1, the TUNEL-positive cells, Bax and Cleaved-Caspase3 protein expression obviously, and increased the activity of SOD and the expression of Bcl-2. In addition, the protein of P-AKT and HO-1 were upregulated during the Art pretreatment. Then the AKT inhibitor Triciribin and HO-1 inhibitor Tin-protoporphyrin IX were administered which reversed the protein expression of apoptosis, AKT and HO-1. Our study suggests that Art mitigated the II/R induced acute lung injury by targeting the oxidative stress, inflammatory response and apoptosis which is associated with the activating of AKT and HO-1, providing novel insights into the therapeutic candidate for the treatment of II/R induced acute lung injury.
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Affiliation(s)
- Tuo Ji
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, 169 East Lake Road, Wuhan, Hubei 430071, China; Department of Anesthesiology, School and Hospital of Stomatology, Wuhan University, Wuhan 430079, China.
| | - Meng Chen
- Department of Anesthesiology, Maternal and Child Health Hospital of Hubei Province, 745 Wuluo Road, Wuhan, Hubei 430070, China.
| | - Yinyin Liu
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, 169 East Lake Road, Wuhan, Hubei 430071, China.
| | - Haixing Jiang
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, 169 East Lake Road, Wuhan, Hubei 430071, China.
| | - Na Li
- Department of Anesthesiology, Maternal and Child Health Hospital of Hubei Province, 745 Wuluo Road, Wuhan, Hubei 430070, China.
| | - Xianghu He
- Department of Anesthesiology, Zhongnan Hospital of Wuhan University, 169 East Lake Road, Wuhan, Hubei 430071, China.
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Liang D, Wang W, Chen G, Li J, Dou G, Gan H, Han P, Du L, Gu R. Cepharanthine Dry Powder Inhaler for the Treatment of Acute Lung Injury. Molecules 2023; 28:molecules28114441. [PMID: 37298919 DOI: 10.3390/molecules28114441] [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: 04/24/2023] [Revised: 05/17/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
Severe acute respiratory syndrome Coronavirus 2 (SARS-CoV-2) induces a severe cytokine storm that may cause acute lung injury/acute respiratory distress syndrome (ALI/ARDS) with high clinical morbidity and mortality in infected individuals. Cepharanthine (CEP) is a bisbenzylisoquinoline alkaloid isolated and extracted from Stephania cepharantha Hayata. It exhibits various pharmacological effects, including antioxidant, anti-inflammatory, immunomodulatory, anti-tumor, and antiviral activities. The low oral bioavailability of CEP can be attributed to its poor water solubility. In this study, we utilized the freeze-drying method to prepare dry powder inhalers (DPI) for the treatment of acute lung injury (ALI) in rats via pulmonary administration. According to the powder properties study, the aerodynamic median diameter (Da) of the DPIs was 3.2 μm, and the in vitro lung deposition rate was 30.26; thus, meeting the Chinese Pharmacopoeia standard for pulmonary inhalation administration. We established an ALI rat model by intratracheal injection of hydrochloric acid (1.2 mL/kg, pH = 1.25). At 1 h after the model's establishment, CEP dry powder inhalers (CEP DPIs) (30 mg/kg) were sprayed into the lungs of rats with ALI via the trachea. Compared with the model group, the treatment group exhibited a reduced pulmonary edema and hemorrhage, and significantly reduced content of inflammatory factors (TNF-α, IL-6 and total protein) in their lungs (p < 0.01), indicating that the main mechanism of CEP underlying the treatment of ALI is anti-inflammation. Overall, the dry powder inhaler can deliver the drug directly to the site of the disease, increasing the intrapulmonary utilization of CEP and improving its efficacy, making it a promising inhalable formulation for the treatment of ALI.
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Affiliation(s)
- Di Liang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Wanmei Wang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Guangrui Chen
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Jian Li
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Guifang Dou
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Hui Gan
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Peng Han
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Lina Du
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
| | - Ruolan Gu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing 100850, China
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Zhang R, Liang H, Liu G, Jiang W, Tang Z, Fan Q, Nie Z, Hu H, Kang G, Xie S. Nesfatin-1, a novel energy-regulating peptide, alleviates pulmonary fibrosis by blocking TGF-β1/Smad pathway in an AMPKα-dependent manner. Int Immunopharmacol 2023; 120:110369. [PMID: 37224650 DOI: 10.1016/j.intimp.2023.110369] [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: 02/27/2023] [Revised: 05/14/2023] [Accepted: 05/18/2023] [Indexed: 05/26/2023]
Abstract
Pulmonary fibrosis is a chronic progressive disease which steadily causes a critical public health concern. Nesfatin-1, a novel energy-regulating peptide discovered in 2006, could increase the level of AMPK phosphorylation. Previous studies have unveiled that Nesfatin-1 possessed many pharmacological effects including anti-inflammation, anti-oxidative stress, anti-fibrosis, and the regulation of lipid metabolism. Here, we investigated the impact of Nesfatin-1 on pulmonary fibrosis. Male C57BL/6J mice were intraperitoneally injected with Nesfatin-1 (10 μg·kg-1·day-1) for 21 days since mice were intratracheally administrated with bleomycin (BLM) (2 U/kg). Primary murine lung fibroblasts were stimulated with TGF-β1 (10 ng/ml) for 48 h. The results showed that Nesfatin-1 treatment significantly improved pulmonary function and decreased the production of collagen in BLM-treated mice. Meantime, Nesfatin-1 treatment also inhibited oxidative stress and inflammation in lung tissues from BLM-treated mice. Mechanically, Nesfatin-1 blocked the activation of TGF-β1/Smad2/3 signaling pathway in lung tissues challenged with BLM. In addition, we found that Nesfatin-1 enhanced the phosphorylation of AMPKα during pulmonary fibrosis. However, pharmacological inhibition or genetic deletion of AMPKα could both offset the pulmonary protection mediated by Nesfatin-1 during pulmonary fibrosis. Our experimental results firstly show Nesfatin-1 might serve as a novel treatment or adjuvant against pulmonary fibrosis by blocking TGF-β1/Smad pathway in an AMPKα-dependent manner.
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Affiliation(s)
- Renquan Zhang
- Department of Thoracic Surgery, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, China
| | - Hui Liang
- Department of Anesthesiology, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Gaoli Liu
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Wanli Jiang
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Zheng Tang
- Department of Thoracic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, Hubei, China
| | - Qinglu Fan
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Zhihao Nie
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Haifeng Hu
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Ganjun Kang
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
| | - Songping Xie
- Department of Thoracic Surgery, Renmin Hospital of Wuhan University, Wuhan, Hubei, China.
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Shi X, Pan Z, Cai W, Zhang Y, Duo J, Liu R, Cai T. Identification and immunological characterization of cuproptosis-related molecular clusters in idiopathic pulmonary fibrosis disease. Front Immunol 2023; 14:1171445. [PMID: 37266442 PMCID: PMC10230064 DOI: 10.3389/fimmu.2023.1171445] [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: 02/22/2023] [Accepted: 05/05/2023] [Indexed: 06/03/2023] Open
Abstract
Background Idiopathic pulmonary fibrosis (IPF) has attracted considerable attention worldwide and is challenging to diagnose. Cuproptosis is a new form of cell death that seems to be associated with various diseases. However, whether cuproptosis-related genes (CRGs) play a role in regulating IPF disease is unknown. This study aims to analyze the effect of CRGs on the progression of IPF and identify possible biomarkers. Methods Based on the GSE38958 dataset, we systematically evaluated the differentially expressed CRGs and immune characteristics of IPF disease. We then explored the cuproptosis-related molecular clusters, the related immune cell infiltration, and the biological characteristics analysis. Subsequently, a weighted gene co-expression network analysis (WGCNA) was performed to identify cluster-specific differentially expressed genes. Lastly, the eXtreme Gradient Boosting (XGB) machine-learning model was chosen for the analysis of prediction and external datasets validated the predictive efficiency. Results Nine differentially expressed CRGs were identified between healthy and IPF patients. IPF patients showed higher monocytes and monophages M0 infiltration and lower naive B cells and memory resting T CD4 cells infiltration than healthy individuals. A positive relationship was found between activated dendritic cells and CRGs of LIPT1, LIAS, GLS, and DBT. We also identified cuproptosis subtypes in IPF patients. Go and KEGG pathways analysis demonstrated that cluster-specific differentially expressed genes in Cluster 2 were closely related to monocyte aggregation, ubiquitin ligase complex, and ubiquitin-mediated proteolysis, among others. We also constructed an XGB machine model to diagnose IPF, presenting the best performance with a relatively lower residual and higher area under the curve (AUC= 0.700) and validated by external validation datasets (GSE33566, AUC = 0.700). The analysis of the nomogram model demonstrated that XKR6, MLLT3, CD40LG, and HK3 might be used to diagnose IPF disease. Further analysis revealed that CD40LG was significantly associated with IPF. Conclusion Our study systematically illustrated the complicated relationship between cuproptosis and IPF disease, and constructed an effective model for the diagnosis of IPF disease patients.
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Affiliation(s)
- Xuefeng Shi
- Department of Experimental Medical Science, Ningbo No.2 Hospital, Ningbo, China
- Department of Pulmonary and Critial Care medicine, Qinghai provincial people’s hospital, Xining, China
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
| | - Zhilei Pan
- Department of Pulmonary and Critial Care medicine, Qinghai provincial people’s hospital, Xining, China
| | - Weixiu Cai
- Department of Pulmonary and Critial Care medicine, Qinghai provincial people’s hospital, Xining, China
| | - Yuhao Zhang
- Cancer Center, Department of Neurosurgery, Zhejiang Provincial People’s Hospital, Affiliated People’s Hospital, Hangzhou Medical College, Hangzhou, China
| | - Jie Duo
- Department of Pulmonary and Critial Care medicine, Qinghai provincial people’s hospital, Xining, China
| | - Ruitian Liu
- State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China
| | - Ting Cai
- Department of Experimental Medical Science, Ningbo No.2 Hospital, Ningbo, China
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Deng F, Cao H, Liang X, Li Q, Yang Y, Zhao Z, Tan J, Fu G, Shu C. Analysis of cytokine levels, cytological findings, and MP-DNA level in bronchoalveolar lavage fluid of children with Mycoplasma pneumoniae pneumonia. Immun Inflamm Dis 2023; 11:e849. [PMID: 37249293 PMCID: PMC10165957 DOI: 10.1002/iid3.849] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2022] [Revised: 04/06/2023] [Accepted: 04/11/2023] [Indexed: 05/31/2023] Open
Abstract
BACKGROUND The present study was conducted to determine the inflammatory response in the lungs of children with Mycoplasma pneumoniae pneumonia (MPP). METHODS This study retrospectively analyzed cytokine levels, cytological findings, and M. pneumoniae (MP)-DNA level in the bronchoalveolar lavage fluid (BALF) of 96 children with MPP. The study utilized Spearman's correlation method to evaluate the contribution of BALF and blood parameters in MPP children. RESULTS (1) A total of 96 MPP children were classified into the Low MP-DNA MPP group (BALF MP-DNA ≤ 105 copies/mL) and the High MP-DNA MPP group (BALF MP-DNA > 105 copies/mL); the Non-fever MPP group (no fever during the entire course of pneumonia) and the Fever MPP group; the Defervescence MPP group (fever had subsided at the time of bronchoscopy) and the Fervescence MPP group; and the Mild MPP group and the Severe MPP group. (2) The High MP-DNA MPP, Fever MPP, Fervescence MPP, and Severe MPP groups had higher levels of interleukin (IL)-6, IL-10, and tumor necrosis factor-α (TNF-α) in their BALF (all p < .05). (3) The proportions of neutrophils and macrophages in the BALF of the High MP-DNA MPP and Fever MPP groups increased and decreased, respectively (all p < .05). (4) In the BALF of MPP children, MP-DNA, IL-6, IL-10, TNF-α, and interferon gamma (IFN-γ) levels positively correlated with neutrophil proportion while negatively correlated with macrophage proportion (all p < .05). (5) The MP-DNA, IL-6, IL-10, TNF-α, and IFN-γ levels in the BALF of MPP children were positively correlated with the levels of C-reactive protein, procalcitonin, lactic dehydrogenase, fibrinogen, and d-dimer, while they were negatively correlated with the albumin level (all p < .05). CONCLUSIONS In children with MPP, the pulmonary inflammatory immune response was stronger in the High MP-DNA MPP, Fever MPP, Fervescence MPP, and Severe MPP groups. The relationship between pulmonary cytokine levels, MP-DNA load, and serum inflammatory parameters were found to be weak.
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Affiliation(s)
- Fang Deng
- Department of Respiratory, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation base of Child development and Critical DisordersChongqing Key Laboratory of PediatricsChongqingChina
- Department of PediatricsAffiliated Hospital of North Sichuan Medical CollegeNanchongChina
| | - Huiling Cao
- Department of NeonatologyChildren's Hospital of Chongqing Medical UniversityChongqingChina
| | - Xiaohua Liang
- Department of Clinical Epidemiology and BiostatisticsChildren's Hospital of Chongqing Medical UniversityChongqingChina
| | - Qubei Li
- Department of Respiratory, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation base of Child development and Critical DisordersChongqing Key Laboratory of PediatricsChongqingChina
| | - Yang Yang
- Department of Respiratory, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation base of Child development and Critical DisordersChongqing Key Laboratory of PediatricsChongqingChina
| | - Zhihua Zhao
- Department of Respiratory, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation base of Child development and Critical DisordersChongqing Key Laboratory of PediatricsChongqingChina
| | - Junjie Tan
- Clinical Molecular Medical CenterChildren's Hospital of Chongqing Medical UniversityChongqingChina
| | - Guo Fu
- Clinical Molecular Medical CenterChildren's Hospital of Chongqing Medical UniversityChongqingChina
| | - Chang Shu
- Department of Respiratory, Children's Hospital of Chongqing Medical University, National Clinical Research Center for Child Health and Disorders, Ministry of Education Key Laboratory of Child Development and Disorders, China International Science and Technology Cooperation base of Child development and Critical DisordersChongqing Key Laboratory of PediatricsChongqingChina
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B Japiassu K, Fay F, Marengo A, Mendanha SA, Cailleau C, Louaguenouni Y, Wang Q, Denis S, Tsapis N, Nascimento TL, Lima EM, Fattal E. Hyaluronic acid-conjugated liposomes loaded with dexamethasone: a promising approach for the treatment of inflammatory diseases. Int J Pharm 2023; 639:122946. [PMID: 37044230 DOI: 10.1016/j.ijpharm.2023.122946] [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: 12/26/2022] [Revised: 04/07/2023] [Accepted: 04/08/2023] [Indexed: 04/14/2023]
Abstract
Dexamethasone is a well-known anti-inflammatory drug readily used to treat many lung diseases. However, its side effects and poor lower airway deposition and retention are significant limitations to its usage. In this work, we developed lipid nanoparticulate platforms loaded with dexamethasone and evaluated their behavior in inflammatory lung models in vitro and in vivo. Dexamethasone-loaded liposomes with an average diameter below 150 nm were obtained using a solvent injection method. Three different formulations were produced with a distinct surface coating (polyethylene glycol, hyaluronic acid, or a mixture of both) as innovative strategies to cross the pulmonary mucus layer and/or target CD44 expressed on alveolar proinflammatory macrophages. Interestingly, while electron paramagnetic spectroscopy showed that surface modifications did not induce any molecular changes in the liposomal membrane, drug loading analysis revealed that adding the hyaluronic acid in the bilayer led to a decrease of dexamethasone loading (from 3.0 to 1.7w/w%). In vitro experiments on LPS-activated macrophages demonstrated that the encapsulation of dexamethasone in liposomes, particularly in HA-bearing ones, improved its anti-inflammatory efficacy compared to the free drug. Subsequently, in vivo data revealed that while intratracheal administration of free dexamethasone led to an important inter-animals variation of efficacy, dexamethasone-loaded liposomes showed an improved consistency within the results. Our data indicate that encapsulating dexamethasone into lipid nanoparticles is a potent strategy to improve its efficacy after lung delivery.
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Affiliation(s)
- Kamila B Japiassu
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400 Orsay, France; Center for RD&I in Pharmaceutical Nano/Technology (FarmaTec), Federal University of Goias, Goiania, 74605-220 Goias, Brazil
| | - Francois Fay
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400 Orsay, France
| | - Alessandro Marengo
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400 Orsay, France
| | - Sebastião A Mendanha
- Center for RD&I in Pharmaceutical Nano/Technology (FarmaTec), Federal University of Goias, Goiania, 74605-220 Goias, Brazil
| | - Catherine Cailleau
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400 Orsay, France
| | - Younès Louaguenouni
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400 Orsay, France
| | - Qinglin Wang
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400 Orsay, France
| | - Stéphanie Denis
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400 Orsay, France
| | - Nicolas Tsapis
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400 Orsay, France
| | - Thais L Nascimento
- Center for RD&I in Pharmaceutical Nano/Technology (FarmaTec), Federal University of Goias, Goiania, 74605-220 Goias, Brazil
| | - Eliana M Lima
- Center for RD&I in Pharmaceutical Nano/Technology (FarmaTec), Federal University of Goias, Goiania, 74605-220 Goias, Brazil
| | - Elias Fattal
- Université Paris-Saclay, CNRS, Institut Galien Paris-Saclay, 91400 Orsay, France.
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21
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Cai M, Xu YC, Deng B, Chen JB, Chen TF, Zeng KF, Chen S, Deng SH, Tan ZB, Ding WJ, Zhang SW, Liu B, Zhang JZ. Radix Glycyrrhizae extract and licochalcone a exert an anti-inflammatory action by direct suppression of toll like receptor 4. JOURNAL OF ETHNOPHARMACOLOGY 2023; 302:115869. [PMID: 36309116 DOI: 10.1016/j.jep.2022.115869] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 10/18/2022] [Accepted: 10/20/2022] [Indexed: 06/16/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Radix Glycyrrhizae (GL), a herbal medicine that is widely available, has shown advantages for a variety of inflammatory diseases. Toll like receptor 4 (TLR4) pathway has been shown to play a key role in the progression of inflammation. AIM OF THE STUDY The purpose of this study was to investigate the involvement of TLR4 in the anti-inflammatory mechanism of GL extract and its active constituent on acute lung injury (ALI). MATERIALS AND METHODS A model of inflammation produced by lipopolysaccharide (LPS) was established in C57BL/6 mice and macrophages derived from THP-1. To screen the active components of GL, molecular docking was used. Molecular dynamics and surface plasmon resonance imaging (SPRi) were used to study the interaction of a specific drug with the TLR4-MD2 complex. TLR4 was overexpressed by adenovirus to confirm TLR4 involvement in the anti-inflammatory activities of GL and the chosen chemical. RESULTS We observed that GL extract significantly reduced both LPS-induced ALI and the production of pro-inflammatory factors including TNF-α, IL-6 and IL-1β. Additionally, GL inhibited the binding of Alexa 488-labeled LPS (LPS-488) to the membrane of THP-1 derived macrophages. GL drastically reduce on the expression of TLR4 and the activation of mitogen-activated protein kinases (MAPKs) and nuclear factor-B (NF-κB). Furthermore, molecular docking revealed that Licochalcone A (LicoA) docked into the LPS binding site of TLR4-MD2 complex. MD2-LicoA binding conformation was found to be stable using molecular dynamic simulations. SPRi indicated that LicoA bound to TLR4-MD2 recombinant protein with a KD of 3.87 × 10-7 M. LicoA dose-dependently reduced LPS-488 binding to the cell membrane. LicoA was found to significantly inhibit LPS-induced lung damage and inflammation. Furthermore, LicoA inhibited TLR4 expression, MAPK and NF-κB activation in a dose-dependent manner. The inhibitory effects of GL and LicoA on LPS-induced inflammation and TLR4 signaling activation were partly eliminated by TLR4 overexpression. CONCLUSION Our findings imply that GL and LicoA exert inhibitory effects on inflammation by targeting the TLR4 directly.
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Affiliation(s)
- Min Cai
- Department of Traditional Chinese Medicine, Institute of Integration of Traditional and Western Medicine of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China; Guangzhou Emergency Medical Command Center, Guangzhou, 510030, China.
| | - You-Cai Xu
- Department of Traditional Chinese Medicine, Institute of Integration of Traditional and Western Medicine of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China.
| | - Bo Deng
- Department of Traditional Chinese Medicine, Institute of Integration of Traditional and Western Medicine of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China.
| | - Jun-Bang Chen
- Department of Traditional Chinese Medicine, Institute of Integration of Traditional and Western Medicine of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China.
| | - Ting-Fang Chen
- Department of Traditional Chinese Medicine, Institute of Integration of Traditional and Western Medicine of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China.
| | - Ke-Feng Zeng
- Department of Traditional Chinese Medicine, Institute of Integration of Traditional and Western Medicine of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China.
| | - Si Chen
- Department of Traditional Chinese Medicine, Institute of Integration of Traditional and Western Medicine of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China.
| | - Sui-Hui Deng
- Department of Traditional Chinese Medicine, Institute of Integration of Traditional and Western Medicine of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China.
| | - Zhang-Bin Tan
- Department of Traditional Chinese Medicine, Institute of Integration of Traditional and Western Medicine of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China.
| | - Wen-Jun Ding
- Department of Traditional Chinese Medicine, Institute of Integration of Traditional and Western Medicine of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China.
| | - Shuang-Wei Zhang
- Department of Traditional Chinese Medicine, Institute of Integration of Traditional and Western Medicine of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China.
| | - Bin Liu
- Department of Traditional Chinese Medicine, Institute of Integration of Traditional and Western Medicine of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China.
| | - Jing-Zhi Zhang
- Department of Traditional Chinese Medicine, Institute of Integration of Traditional and Western Medicine of Guangzhou Medical University, State Key Laboratory of Respiratory Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou Medical University, Guangzhou, 510260, China.
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Ishida Y, Kuninaka Y, Mukaida N, Kondo T. Immune Mechanisms of Pulmonary Fibrosis with Bleomycin. Int J Mol Sci 2023; 24:ijms24043149. [PMID: 36834561 PMCID: PMC9958859 DOI: 10.3390/ijms24043149] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/27/2023] [Accepted: 02/01/2023] [Indexed: 02/09/2023] Open
Abstract
Fibrosis and structural remodeling of the lung tissue can significantly impair lung function, often with fatal consequences. The etiology of pulmonary fibrosis (PF) is diverse and includes different triggers such as allergens, chemicals, radiation, and environmental particles. However, the cause of idiopathic PF (IPF), one of the most common forms of PF, remains unknown. Experimental models have been developed to study the mechanisms of PF, and the murine bleomycin (BLM) model has received the most attention. Epithelial injury, inflammation, epithelial-mesenchymal transition (EMT), myofibroblast activation, and repeated tissue injury are important initiators of fibrosis. In this review, we examined the common mechanisms of lung wound-healing responses after BLM-induced lung injury as well as the pathogenesis of the most common PF. A three-stage model of wound repair involving injury, inflammation, and repair is outlined. Dysregulation of one or more of these three phases has been reported in many cases of PF. We reviewed the literature investigating PF pathogenesis, and the role of cytokines, chemokines, growth factors, and matrix feeding in an animal model of BLM-induced PF.
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23
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Drake LY, Koloko Ngassie ML, Roos BB, Teske JJ, Prakash YS. Asthmatic lung fibroblasts promote type 2 immune responses via endoplasmic reticulum stress response dependent thymic stromal lymphopoietin secretion. Front Physiol 2023; 14:1064822. [PMID: 36760534 PMCID: PMC9907026 DOI: 10.3389/fphys.2023.1064822] [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: 10/08/2022] [Accepted: 01/17/2023] [Indexed: 01/26/2023] Open
Abstract
Lung fibroblasts contribute to asthma pathology partly through modulation of the immune environment in the airway. Tumor necrosis factor-α (TNFα) expression is upregulated in asthmatic lungs. How asthmatic lung fibroblasts respond to TNFα stimulation and subsequently regulate immune responses is not well understood. Endoplasmic reticulum (ER) stress and unfolded protein responses (UPR) play important roles in asthma, but their functional roles are still under investigation. In this study, we investigated TNFα-induced cytokine production in primary lung fibroblasts from asthmatic vs. non-asthmatic human subjects, and downstream effects on type 2 immune responses. TNFα significantly upregulated IL-6, IL-8, C-C motif chemokine ligand 5 (CCL5), and thymic stromal lymphopoietin (TSLP) mRNA expression and protein secretion by lung fibroblasts. Asthmatic lung fibroblasts secreted higher levels of TSLP which promoted IL-33-induced IL-5 and IL-13 production by peripheral blood mononuclear cells. TNFα exposure enhanced expression of ER stress/UPR pathways in both asthmatic and non-asthmatic lung fibroblasts, especially inositol-requiring protein 1α in asthmatics. ER stress/UPR inhibitors decreased IL-6, CCL5, and TSLP protein secretion by asthmatic lung fibroblasts. Our data suggest that TNFα and lung fibroblasts form an important axis in asthmatic lungs to promote asthmatic inflammation that can be attenuated by inhibiting ER stress/UPR pathway.
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Affiliation(s)
- Li Y. Drake
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, United States,*Correspondence: Li Y. Drake,
| | - Maunick Lefin Koloko Ngassie
- Department of Pathology and Medical Biology, University of Groningen, University Medical Center Groningen, Groningen, Netherlands,Groningen Research Institute for Asthma and COPD, University of Groningen, University Medical Center Groningen, Groningen, Netherlands
| | - Benjamin B. Roos
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, United States
| | - Jacob J. Teske
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, United States
| | - Y. S. Prakash
- Department of Anesthesiology and Perioperative Medicine, Mayo Clinic, Rochester, MN, United States,Department of Physiology and Biomedical Engineering, Mayo Clinic, Rochester, MN, United States
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24
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Prevention of Bleomycin-Induced Pulmonary Inflammation and Fibrosis in Mice by Bilobalide. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2023; 2023:1973163. [PMID: 36733844 PMCID: PMC9889159 DOI: 10.1155/2023/1973163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/01/2022] [Revised: 12/12/2022] [Accepted: 01/05/2023] [Indexed: 01/26/2023]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a fatal interstitial lung disease. Bilobalide (BB) is a sesquiterpene isolated from Ginkgo biloba, and its role in IPF is poorly understood. Mice were intratracheally instilled with 2.5 mg/kg bleomycin (BLM) to induce IPF and then treated with 2.5, 5, and 10 mg/kg BB daily for 21 days. Treatment with BB ameliorated pathological injury and fibrosis of lung tissues in BLM-induced mice. BB suppressed BLM-induced inflammatory response in mice as demonstrated by reduced inflammatory cells counts (leukocytes, neutrophils, macrophages, and lymphocytes) and pro-inflammatory factors (CCL2 and TNF-α), as well as increased CXCL10 levels in BALF. The expression of BLM-induced hydroxyproline, LDH, and pro-fibrotic mediators including fibronectin, collagen I, α-smooth muscle actin (α-SMA), transforming growth factor (TGF)-β1, matrix metalloproteinase (MMP)-2, and MMP-9 in lung tissue was inhibited by BB treatment, and the tissue inhibitor of metalloproteinase-1 (TIMP-1) expression was increased. BB blocked the phosphorylation of JNK and NF-κB, and the nuclear translocation of NF-κB in the lung tissue of mice induced by BLM. Additionally, it abated the activation of NLRP3 inflammasome in lung tissue induced by BLM, which led to the downregulation of IL-18 and IL-1β in BALF. Our present study suggested that BB might ameliorate BLM-induced pulmonary fibrosis by inhibiting the early inflammatory response, which is probably via the inhibition of the JNK/NF-κB/NLRP3 signal pathway. Thus, BB might serve as a therapeutic potential agent for pulmonary inflammation and fibrosis.
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25
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Gauthier AG, Lin M, Zefi S, Kulkarni A, Thakur GA, Ashby CR, Mantell LL. GAT107-mediated α7 nicotinic acetylcholine receptor signaling attenuates inflammatory lung injury and mortality in a mouse model of ventilator-associated pneumonia by alleviating macrophage mitochondrial oxidative stress via reducing MnSOD-S-glutathionylation. Redox Biol 2023; 60:102614. [PMID: 36717349 PMCID: PMC9950665 DOI: 10.1016/j.redox.2023.102614] [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: 11/05/2022] [Revised: 01/09/2023] [Accepted: 01/18/2023] [Indexed: 01/22/2023] Open
Abstract
Supraphysiological concentrations of oxygen (hyperoxia) can compromise host defense and increase susceptibility to bacterial and viral infections, causing ventilator-associated pneumonia (VAP). Compromised host defense and inflammatory lung injury are mediated, in part, by high extracellular concentrations of HMGB1, which can be decreased by GTS-21, a partial agonist of α7 nicotinic acetylcholine receptor (α7nAChR). Here, we report that a novel α7nAChR agonistic positive allosteric modulator (ago-PAM), GAT107, at 3.3 mg/kg, i.p., significantly decreased animal mortality and markers of inflammatory injury in mice exposed to hyperoxia and subsequently infected with Pseudomonas aeruginosa. The incubation of macrophages with 3.3 μM of GAT107 significantly decreased hyperoxia-induced extracellular HMGB1 accumulation and HMGB1-induced macrophage phagocytic dysfunction. Hyperoxia-compromised macrophage function was correlated with impaired mitochondrial membrane integrity, increased superoxide levels, and decreased manganese superoxide dismutase (MnSOD) activity. This compromised MnSOD activity is due to a significant increase in its level of glutathionylation. The incubation of hyperoxic macrophages with 3.3 μM of GAT107 significantly decreases the levels of glutathionylated MnSOD, and restores MnSOD activity and mitochondrial membrane integrity. Thus, GAT107 restored hyperoxia-compromised phagocytic functions by decreasing HMGB1 release, most likely via a mitochondrial-directed pathway. Overall, our results suggest that GAT107 may be a potential treatment to decrease acute inflammatory lung injury by increasing host defense in patients with VAP.
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Affiliation(s)
- Alex G. Gauthier
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA
| | - Mosi Lin
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA
| | - Sidorela Zefi
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA
| | | | | | - Charles R. Ashby
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA
| | - Lin L. Mantell
- Department of Pharmaceutical Sciences, College of Pharmacy and Health Sciences, St. John's University, Queens, NY, USA,Feinstein Institute for Medical Research, Northwell Health, Manhasset, NY, USA,Corresponding author. Department of Pharmaceutical Sciences, St. John's University College of Pharmacy and Health Sciences, 128 St. Albert Hall, 8000 Utopia Parkway, Queens, NY, 11439, USA.
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26
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Wang WM, Jin HZ. Biologics in pediatric psoriasis. J Dermatol 2023; 50:415-421. [PMID: 36651087 DOI: 10.1111/1346-8138.16702] [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: 10/12/2022] [Revised: 11/30/2022] [Accepted: 12/17/2022] [Indexed: 01/19/2023]
Abstract
Psoriasis is a chronic inflammatory skin disorder with a chronic relapsing course. Biologics have revolutionized the treatment of adult psoriasis with higher efficacy and favorable safety profile. Recently, more studies have focused on the use of biologics in pediatric psoriasis, and several biologics have been approved for use therein. This review is divided into two sections: the first part focuses on real-world studies on the use of biologics in pediatric psoriasis and the second part summarizes the findings of other clinical trials related to biologics in pediatric psoriasis. Case reports have been excluded from this review. Several biologics were used for treating pediatric psoriasis and the efficacy is encouraging. According to the studies included in this review, anti-IL-12/23 and anti-IL-17A for treating pediatric psoriasis might have a better efficacy than anti-TNF-α, but more data are needed.
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Affiliation(s)
- Wen-Ming Wang
- Department of Dermatology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
| | - Hong-Zhong Jin
- Department of Dermatology, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, China
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27
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Chen C, Li L, Liu X, Zhang D, Liu Y, Li Y. 23-O-acetylshengmanol-3-O-α-L-arabinoside alleviates lipopolysaccharide-induced acute lung injury through inhibiting IκB/NF-κB and MAPK/AP-1 signaling pathways. JOURNAL OF ETHNOPHARMACOLOGY 2023; 300:115725. [PMID: 36115602 DOI: 10.1016/j.jep.2022.115725] [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: 07/23/2022] [Revised: 09/05/2022] [Accepted: 09/10/2022] [Indexed: 06/15/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Cimicifuga foetida L. is a well-established traditional Chinese medicine with heat-clearing and detoxifying effects and has good therapeutic effect on oral mucosal ulcer and pharyngitis. The rhizome of this herb is rich in triterpenoid glycosides, including 23-O-acetylshengmanol-3-o-α-L-arabinoside (DA). AIM OF THE STUDY Whether and how DA attenuates acute lung injury (ALI) are unclear. Accordingly, we focused on its anti-inflammatory effects and underlying molecular mechanisms in lipopolysaccharide (LPS)-stimulated ALI mice and RAW264.7 cells. MATERIALS AND METHODS The model of ALI mice was established by exposed intratracheal instillation of LPS. Lung pathological changes were evaluated by hematoxylin and eosin staining. Pulmonary function was assessed by whole-body plethysmography. Total protein content in bronchoalveolar lavage fluid (BALF) was detected by bicinchoninic acid method. Wet/dry lung ratio was used to evaluate the degree of pulmonary edema in mice. The levels of pro-inflammatory mediators were measured using enzyme-linked immunosorbent assay. The relative expression of pro-inflammatory gene mRNA was examined by RT-qPCR. The expression of inflammatory-related proteins was detected by Western blot. RAW264.7 cells were used to test the anti-inflammatory effects of DA in vitro. Cytotoxicity was assessed using a MTT assay. Nitric oxide production was measured by Griess assay. The production and expression of inflammatory mediators and the protein levels of inflammatory signaling molecules in the NF-κB and MAPK pathways were measured. Furthermore, immunofluorescence staining was used to analyze the expression of p-IκBα, p-ERK, and p-p38 in lung macrophages and the nuclear translocation of NF-κB p65 and AP-1 in cells. RESULTS DA evidently alleviated histopathological changes and ameliorated pulmonary edema. Moreover, DA could reduce excessive inflammatory reaction in lung tissue as manifested by the reduction of proinflammatory mediators (IL-1β, IL-6, TNF-α, MCP-1, iNOS, and COX-2) in BALF, serum, and lung tissues. Further, DA inhibited the activation of the NLRP3/caspase-1 pathway in the lung. DA reduced the production and expression of the proinflammatory mediators above in RAW264.7 cells. Mechanistically, DA remarkably blocked the nuclear translocation of NF-κB p65, suppressed IκBα phosphorylation, and markedly reduced the nuclear translocation of AP-1 and the phosphorylation of ERK and p38. CONCLUSIONS The findings demonstrated that DA exerts anti-inflammatory effects in LPS-stimulated ALI mice and macrophages by downregulating the NLRP3/caspase-1 signaling pathway in lung tissue and the IκB/NF-κB and MAPKs/AP-1 pathways in macrophages, suggesting that DA may be promising in ALI treatment.
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Affiliation(s)
- Chunyan Chen
- Key Laboratory of Traditional Chinese Medical Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Lin Li
- Key Laboratory of Traditional Chinese Medical Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China; State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Xiaomei Liu
- Key Laboratory of Traditional Chinese Medical Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Deqin Zhang
- Key Laboratory of Traditional Chinese Medical Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China; State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China
| | - Yang Liu
- College of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China.
| | - Yuhong Li
- Key Laboratory of Traditional Chinese Medical Pharmacology, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China; State Key Laboratory of Component-based Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China; College of Traditional Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, 301617, China.
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Chapman F, Pour SJ, Wieczorek R, Trelles Sticken E, Budde J, Röwer K, Otte S, Mason E, Czekala L, Nahde T, O'Connell G, Simms L, Stevenson M. Twenty-eight day repeated exposure of human 3D bronchial epithelial model to heated tobacco aerosols indicates decreased toxicological responses compared to cigarette smoke. FRONTIERS IN TOXICOLOGY 2023; 5:1076752. [PMID: 36875887 PMCID: PMC9979258 DOI: 10.3389/ftox.2023.1076752] [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: 10/21/2022] [Accepted: 01/09/2023] [Indexed: 02/18/2023] Open
Abstract
Tobacco harm reduction (THR) involves providing adult smokers with potentially reduced harm modes of nicotine delivery as alternatives to smoking combustible cigarettes. Heated tobacco products (HTPs) form a category with THR potential due to their ability to deliver nicotine and flavours through heating, not burning, tobacco. By eliminating burning, heated tobacco does not produce smoke but an aerosol which contains fewer and lower levels of harmful chemicals compared to cigarette smoke. In this study we assessed the in vitro toxicological profiles of two prototype HTPs' aerosols compared to the 1R6F reference cigarette using the 3D human (bronchial) MucilAir™ model. To increase consumer relevance, whole aerosol/smoke exposures were delivered repeatedly across a 28 day period (16, 32, or 48 puffs per exposure). Cytotoxicity (LDH secretion), histology (Alcian Blue/H&E; Muc5AC; FoxJ1 staining), cilia active area and beat frequency and inflammatory marker (IL-6; IL-8; MMP-1; MMP-3; MMP-9; TNFα) levels were assessed. Diluted 1R6F smoke consistently induced greater and earlier effects compared to the prototype HTP aerosols across the endpoints, and in a puff dependent manner. Although some significant changes across the endpoints were induced by exposure to the HTPs, these were substantially less pronounced and less frequently observed, with apparent adaptive responses occurring over the experimental period. Furthermore, these differences between the two product categories were observed at a greater dilution (and generally lower nicotine delivery range) for 1R6F (1R6F smoke diluted 1/14, HTP aerosols diluted 1/2, with air). Overall, the findings demonstrate the THR potential of the prototype HTPs through demonstrated substantial reductions in toxicological outcomes in in vitro 3D human lung models.
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Affiliation(s)
| | | | | | | | | | - Karin Röwer
- Reemtsma Cigarettenfabriken GmbH, Hamburg, Germany
| | - Sandra Otte
- Reemtsma Cigarettenfabriken GmbH, Hamburg, Germany
| | | | | | - Thomas Nahde
- Reemtsma Cigarettenfabriken GmbH, Hamburg, Germany
| | | | - Liam Simms
- Imperial Brands PLC, Bristol, United Kingdom
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Nrf2 regulates the expression of NOX1 in TNF-α-induced A549 cells. Allergol Immunopathol (Madr) 2023; 51:54-62. [PMID: 36617822 DOI: 10.15586/aei.v51i1.732] [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: 07/15/2022] [Accepted: 09/23/2022] [Indexed: 01/03/2023]
Abstract
Acute lung injury causes severe inflammation and oxidative stress in lung tissues. In this study, we analyzed the potential regulatory role of nuclear factor erythroid-2-related factor 2 (Nrf2) on NADPH oxidase 1 (NOX1) in tumor necrosis factor-α (TNF-α)-induced inflammation and oxidative stress in human type II alveolar epithelial cells. In this study, A549 cells were transfected with Nrf2 siRNA and overexpression vectors for 6 h before being induced by TNF-α for 24 h. TNF-α upregulated the expression of NOX1 and Nrf2 in A549 cells. Furthermore, overexpression of Nrf2 could reduce TNF-α-induced NF-κB mRNA and protein expression after transfection with the Nrf2 siRNA vector, and the levels of IL-6, IL-8, ROS, and malondialdehyde (MDA) in TNF-α-induced A549 cells increased, while the level of total antioxidation capability (T-AOC) decreased. On the other hand, the overexpression of Nrf2 decreased the levels of IL-6, IL-8, ROS, and MDA, while increasing T-AOC. The mRNA and protein levels of NOX1 were dramatically increased by TNF-α, while those changes were notably suppressed by Nrf2 overexpression. Further studies demonstrated that Nrf2 suppressed NOX1 transcription by binding to the -1199 to -1189 bp (ATTACACAGCA) region of the NOX1 promoter in TNF-α-stimulated A549 cells. Our study suggests that Nrf2 may bind to and regulate NOX1 expression to antagonize TNF-α-induced inflammatory reaction and oxidative stress in A549 cells.
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Mechanisms of Lung Damage and Development of COPD Due to Household Biomass-Smoke Exposure: Inflammation, Oxidative Stress, MicroRNAs, and Gene Polymorphisms. Cells 2022; 12:cells12010067. [PMID: 36611860 PMCID: PMC9818405 DOI: 10.3390/cells12010067] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 12/12/2022] [Accepted: 12/13/2022] [Indexed: 12/28/2022] Open
Abstract
Chronic exposure to indoor biomass smoke from the combustion of solid organic fuels is a major cause of disease burden worldwide. Almost 3 billion people use solid fuels such as wood, charcoal, and crop residues for indoor cooking and heating, accounting for approximately 50% of all households and 90% of rural households globally. Biomass smoke contains many hazardous pollutants, resulting in household air pollution (HAP) exposure that often exceeds international standards. Long-term biomass-smoke exposure is associated with Chronic Obstructive Pulmonary Disease (COPD) in adults, a leading cause of morbidity and mortality worldwide, chronic bronchitis, and other lung conditions. Biomass smoke-associated COPD differs from the best-known cigarette smoke-induced COPD in several aspects, such as a slower decline in lung function, greater airway involvement, and less emphysema, which suggests a different phenotype and pathophysiology. Despite the high burden of biomass-associated COPD, the molecular, genetic, and epigenetic mechanisms underlying its pathogenesis are poorly understood. This review describes the pathogenic mechanisms potentially involved in lung damage, the development of COPD associated with wood-derived smoke exposure, and the influence of genetic and epigenetic factors on the development of this disease.
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Hafez SMNA, Saber EA, Aziz NM, Kamel MY, Aly AA, Abdelhafez ESMN, Ibrahim MFG. Potential protective effect of 3,3'-methylenebis(1-ethyl-4-hydroxyquinolin-2(1H)-one) against bleomycin-induced lung injury in male albino rat via modulation of Nrf2 pathway: biochemical, histological, and immunohistochemical study. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2022; 396:771-788. [PMID: 36480028 PMCID: PMC9734634 DOI: 10.1007/s00210-022-02324-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/04/2022] [Accepted: 11/03/2022] [Indexed: 12/13/2022]
Abstract
Acute lung injury is a serious condition accounting for the majority of acute respiratory failure. Bleomycin (BLM) is an antibiotic that was first described as a chemotherapeutic agent. 3,3'-methylenebis(1-ethyl-4-hydroxyquinolin-2(1H)-one) was reported to have anti-inflammatory, anti-apoptotic, and anti-oxidative properties. The current work aimed to assess the possible protective effects and the mechanism of protection of 3,3'-methylenebis-(1-ethyl-4-hydroxyquinolin-2(1H)-one) on BLM-induced lung injury in addition to the effect and underlying mechanisms of nuclear factor-erythroid-related factor 2 pathway against this injury. Rats were equally divided into four groups: control group, BLM group, 1-ethyl-4-hydroxyquinolin-2(1H)-one-treated group, and BLM with 1-ethyl-4-hydroxyquinolin-2(1H)-one-treated group. At the end of the work, the blood samples were proceeded for biochemical study. Lung specimens were obtained for biochemical, histological, and immunohistochemical study. The results exhibited a significant increase in both malondialdehyde and tumor necrotic factor-α with a significant decrease in glutathione, superoxide dismutase, IL 10, surfactant protein A, and nuclear factor erythroid 2-related factor 2 in BLM group. The lung histological results showed various morphological changes in the form of disturbed architecture, inflammatory cell infiltration, and intraluminal debris. This group also displayed a significant increase in the mean surface area fraction of anti-cleaved caspase 3, while group IV exhibited amelioration in the previously mentioned parameters and histological alternations that were induced by BLM. It could be concluded that 3,3'-methylenebis(1-ethyl-4-hydroxyquinolin-2(1H)-one) has anti-oxidative, anti-inflammatory, and anti-apoptotic protective effects against BLM-induced lung injury.
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Affiliation(s)
- Sara Mohamed Naguib Abdel Hafez
- grid.411806.a0000 0000 8999 4945Department of Histology and Cell Biology, Faculty of Medicine, Minia University, Minia, 61111 Egypt
| | - Entesar Ali Saber
- grid.411806.a0000 0000 8999 4945Department of Histology and Cell Biology, Faculty of Medicine, Minia University, Minia, 61111 Egypt ,Delegated to Deraya University, New Minia City, Minia Egypt
| | - Neven Makram Aziz
- Delegated to Deraya University, New Minia City, Minia Egypt ,grid.411806.a0000 0000 8999 4945Department of Medical Physiology, Faculty of Medicine, Minia University, Minia, Egypt
| | - Maha Yehia Kamel
- grid.411806.a0000 0000 8999 4945Department of Pharmacology, Faculty of Medicine, Minia University, Minia, Egypt
| | - Ashraf A. Aly
- grid.411806.a0000 0000 8999 4945Department of Chemistry, Faculty of Science, Minia University, Minia, Egypt
| | - El-Shimaa M. N. Abdelhafez
- grid.411806.a0000 0000 8999 4945Department of Medicinal Chemistry, Faculty of Pharmacy, Minia University, Minia, Egypt
| | - Manar Fouli Gaber Ibrahim
- grid.411806.a0000 0000 8999 4945Department of Histology and Cell Biology, Faculty of Medicine, Minia University, Minia, 61111 Egypt
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Fang L, Wang X, Zhang M, Khan P, Tamm M, Roth M. MicroRNA-101-3p Suppresses mTOR and Causes Mitochondrial Fragmentation and Cell Degeneration in COPD. Can Respir J 2022; 2022:5933324. [PMID: 36518817 PMCID: PMC9744603 DOI: 10.1155/2022/5933324] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2022] [Revised: 11/08/2022] [Accepted: 11/17/2022] [Indexed: 12/30/2023] Open
Abstract
BACKGROUND Cigarette smoke is assumed to cause the loss of airway wall structure in chronic obstructive pulmonary disease (COPD) by reducing airway smooth muscle cell (ASMC) function. It also modifies mTOR activity, microRNA (miR)-101-3p expression, and mitochondria function. Here, the link between miR-101-3p and mTOR-regulated mitochondria integrity and ASMC deterioration was assessed. METHODS Disease-specific miR-101-3p expression was determined by RT-PCR in primary ASMC (non-COPD smokers: n = 6; COPD: n = 8; healthy: n = 6). The regulatory effect of miR-101-3p modification on mTOR expression, mitochondrial fragmentation, and remodeling properties (α-SMA, fibronectin, MTCO2, and p70S6 kinase) was assessed in ASMC (healthy nonsmokers: n = 3; COPD: n = 3) by Western blotting and immunofluorescence microscopy. MiR-101-3p was modified by specific mimics or inhibitors, in ASMC stimulated with TNF-α (10 ng/ml) or cigarette smoke extract (CSE). RESULTS MiR-101-3p expression was significantly higher in ASMC of COPD patients, compared to ASMC of healthy or active smokers. MiR-101-3p expression was increased by TNF-α or CSE. TNF-α or miR-101-3p deteriorated ASMC and mitochondria, while decreasing mTOR signaling, α-SMA, fibronectin, and MTCO2. MiR-101-3p inhibition reduced ASMC deterioration and mitochondrial fragmentation. CONCLUSION Constitutive high miR-101-3p expression characterizes COPD-ASMC, causing increased mitochondrial fragmentation and ASMC deterioration. Thus, reactivation mTOR or blocking miR-101-3p presents a potential new strategy for COPD therapy.
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Affiliation(s)
- Lei Fang
- Departments of Biomedicine & Internal Medicine, University and University Hospital Basel, Basel, Switzerland
| | - Xinggang Wang
- Departments of Biomedicine & Internal Medicine, University and University Hospital Basel, Basel, Switzerland
- Reproductive Medicine Centre, Shanghai Ninth People's Hospital, Shanghai Jiaotong University, Shanghai, China
| | - Ming Zhang
- Departments of Biomedicine & Internal Medicine, University and University Hospital Basel, Basel, Switzerland
- Department of Respiratory and Critical Care Medicine, The Second Affiliated Hospital of Xi'an Jiaotong University, Xi'an, Shaanxi, China
| | - Petra Khan
- Departments of Biomedicine & Internal Medicine, University and University Hospital Basel, Basel, Switzerland
| | - Michael Tamm
- Departments of Biomedicine & Internal Medicine, University and University Hospital Basel, Basel, Switzerland
| | - Michael Roth
- Departments of Biomedicine & Internal Medicine, University and University Hospital Basel, Basel, Switzerland
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Zhong Y, Hu L, Chen W, Wang B, Sun J, Dong J. Exploring the comorbidity mechanisms between asthma and idiopathic pulmonary fibrosis and the pharmacological mechanisms of Bu-Shen-Yi-Qi decoction therapy via network pharmacology. BMC Complement Med Ther 2022; 22:151. [PMID: 35672815 PMCID: PMC9175349 DOI: 10.1186/s12906-022-03637-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2021] [Accepted: 05/30/2022] [Indexed: 11/10/2022] Open
Abstract
Backgrounds Asthma and idiopathic pulmonary fibrosis (IPF) are common chronic diseases of the respiratory system in clinical practice. However, the relationship and molecular links remain unclear, and the current treatment’s efficacy is disappointing. Bu-Shen-Yi-Qi (BSYQ) decoction has proven effective in treating various chronic airway inflammatory diseases, including asthma and IPF. But the underlying pharmacological mechanisms are still to be elucidated. Methods This study searched the proteins related to asthma and IPF via TTD, CTD, and DisGeNET databases and then submitted to the STRING to establish the protein–protein interaction (PPI) network. The co-bioinformatics analysis was conducted by Metascape. The active ingredients of BSYQ decoction were screened from TCMSP, ETCM, BATMAN-TCM databases, and HPLC/MS experiment. The corresponding targets were predicted based on TCMSP, ETCM, and BATMAN-TCM databases. The shared targets for asthma and IPF treatment were recognized, and further GO and KEGG analyses were conducted with the DAVID platform. Finally, molecule docking via Autodock Vina was employed to predict the potential binding mode between core potential compounds and targets. Results Finally, 1333 asthma-related targets and 404 IPF-related proteins were retrieved, 120 were overlapped between them, and many of the asthma-related proteins fall into the same statistically significant GO terms with IPF. Moreover, 116 active ingredients of BSYQ decoction were acquired, and 1535 corresponding targets were retrieved. Eighty-three potential compounds and 56 potential targets were recognized for both asthma and IPF treatment. GO and KEGG analysis indicated that the inflammation response, cytokine production, leukocyte differentiation, oxygen level response, etc., were the common pathological processes in asthma and IPF, which were regulated by BSYQ decoction. Molecule docking further predicted the potential binding modes between the core potential compounds and targets. Conclusion The current study successfully clarified the complex molecule links between asthma and IPF and found the potential common targets. Then we demonstrated the efficacy of BSYQ decoction for asthma and IPF treatment from the angle of network pharmacology, which may provide valuable references for further studies and clinical use. Supplementary Information The online version contains supplementary material available at 10.1186/s12906-022-03637-7.
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Nteliopoulos G, Nikolakopoulou Z, Chow BHN, Corless R, Nguyen B, Dimarakis I. Lung injury following cardiopulmonary bypass: a clinical update. Expert Rev Cardiovasc Ther 2022; 20:871-880. [PMID: 36408601 DOI: 10.1080/14779072.2022.2149492] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
INTRODUCTION Cardiopulmonary bypass (CPB) is an integral component of cardiac surgery; however, one of its most critical complications is acute lung injury induced by multiple factors including systemic inflammatory response. AREAS COVERED The objective of this review is to investigate the multiple factors that can lead to CPB-induced lung injury. These include contact of blood components with the artificial surface of the CPB circuit, local and systemic inflammatory response syndrome (SIRS), lung ischemia/re-perfusion injury, arrest of ventilation, and circulating endotoxins. We also focus on possible interventions to curtail the negative impact of CPB, such as off-pump surgery, impregnation of the circuit with less biologically active substances, leukocyte depletion filters and ultrafiltration, and pharmacological agents such as steroids and aprotinin. EXPERT OPINION Although many aspects of CPB are proposed to contribute to lung injury, its overall role is still not clear. Multiple interventions have been introduced to reduce the risk of pulmonary dysfunction, with many of these interventions having shown promising results, significantly attenuating inflammatory mediators and improving post-operative outcome. However, since lung injury is multifactorial and affected by inextricably linked components, multiple interventions tackling each of them is required.
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Affiliation(s)
| | - Zacharoula Nikolakopoulou
- Department of Department of Immunology and Inflammation, Centre for Haematology, Imperial College London, London, UK
| | - Bobby Hiu Nam Chow
- Division of Cardiovascular Sciences, University of Manchester, Manchester, UK
| | | | - Bao Nguyen
- Department of Cardiothoracic Surgery, Derriford Hospital, Plymouth, UK
| | - Ioannis Dimarakis
- Division of Cardiovascular Sciences, University of Manchester, Manchester, UK.,Department of Cardiothoracic Transplantation and Mechanical Circulatory Support, Wythenshawe Hospital, Manchester, UK
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Bryant AE, Stevens DL. Investigating the immunomodulatory activities of omadacycline. J Antimicrob Chemother 2022; 78:78-83. [PMID: 36272138 PMCID: PMC9780547 DOI: 10.1093/jac/dkac356] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2022] [Accepted: 09/29/2022] [Indexed: 01/11/2023] Open
Abstract
BACKGROUND Apart from their antimicrobial activities, some antibiotics have immunomodulatory effects on host cells, particularly monocytes. Because hyperactivation of the pro-inflammatory cytokine response contributes to acute lung injury in patients with bacterial pneumonia and other lung diseases, antimicrobial agents with immunomodulatory activity can reduce cytokine-mediated tissue injury and improve outcomes. OBJECTIVES Omadacycline has been recently FDA-approved for community-acquired bacterial pneumonia and acute bacterial skin and skin-structure infections. The present study investigated omadacycline's ability to modulate LPS-induced production of pro-inflammatory cytokines (TNF-α, IL-1β), acute-phase reactants (IL-6) and anti-inflammatory cytokines (IL-4, IL-10) by human monocytes in vitro. METHODS Isolated human monocytes from healthy consenting adults were cultured in RPMI with 1% pooled human serum. Cells were pre-exposed to omadacycline (0.5-64 μg/mL), minocycline (25, 50 or 25 μg/mL) or azithromycin (20, 40 or 80 μg/mL) for 2 h, followed by stimulation with Escherichia coli LPS for 24 h. Cytokines elaborated in the culture supernatant were quantitated by multiplex immunoassay. RESULTS Omadacycline dose-dependently suppressed LPS-induced production of all cytokines tested. Only high-dose minocycline (100 μg/mL) modestly suppressed TNF-α whereas minocycline significantly increased LPS-induced IL-1β production. Lower concentrations of minocycline were also stimulatory for IFN-γ, IL-6 and IL-4. Except for suppression of IL-6, azithromycin was largely without effect. CONCLUSIONS Omadacycline has unique and broad immunomodulatory properties. Such activity supports its use in settings where hyperactivation of the immune response contributes to tissue injury and poor outcomes, especially at sites where pro-inflammatory M-type 1 macrophages dominate the cellular immune response.
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Affiliation(s)
| | - Dennis L Stevens
- Idaho Veterans Research and Education Foundation, Research & Development Service, Boise VA Medical Center, Boise, Idaho, USA,University of Washington School of Medicine, Department of Medicine, Division of Allergy and Infectious Diseases, Seattle, WA, USA
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Therapeutic use of calpeptin in COVID-19 infection. Clin Sci (Lond) 2022; 136:1439-1447. [PMID: 36268783 PMCID: PMC9594985 DOI: 10.1042/cs20220638] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/11/2022] [Accepted: 10/11/2022] [Indexed: 11/17/2022]
Abstract
This perspective considers the benefits of the potential future use of the cell permeant calpain inhibitor, calpeptin, as a drug to treat severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection. Recent work has reported calpeptin’s capacity to inhibit entry of the virus into cells. Elsewhere, several drugs, including calpeptin, were found to be able to inhibit extracellular vesicle (EV) biogenesis. Unsurprisingly, because of similarities between viral and EV release mechanisms, calpeptin has also been shown to inhibit viral egress. This approach, identifying calpeptin, through large-scale screening studies as a candidate drug to treat COVID-19, however, has not considered the longer term likely benefits of calpain inhibition, post-COVID-19. This perspective will reflect on the capacity of calpeptin for treating long COVID by inhibiting the overproduction of neutrophil extracellular traps potentially damaging lung cells and promoting clotting, together with limiting associated chronic inflammation, tissue damage and pulmonary fibrosis. It will also reflect on the tolerated and detrimental in vivo side-effects of calpain inhibition from various preclinical studies.
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Wang K, Wang Y, Cao Y, Wang H, Zhou Y, Gao L, Zeng Z, Cheng M, Jin X, Chen J, Wen F, Wang T. Lumican is elevated in the lung in human and experimental acute respiratory distress syndrome and promotes early fibrotic responses to lung injury. J Transl Med 2022; 20:392. [PMID: 36059026 PMCID: PMC9440861 DOI: 10.1186/s12967-022-03597-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 08/17/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Fibroproliferative repair starts early in the inflammatory phase of acute respiratory distress syndrome (ARDS) and indicates a poor prognosis. Lumican, a small leucine-rich proteoglycan, is implicated in homeostasis and fibrogenesis, but its role in ARDS is unclear. METHODS Bronchoalveolar lavage fluid (BALF) samples were obtained from ARDS patients (n = 55) enrolled within 24 h of diagnosis and mechanically ventilated (n = 20) and spontaneously breathing (n = 29) control subjects. Lipopolysaccharide (LPS)-induced acute lung injury (ALI) mouse models were intratracheally administered an adeno-associated virus (AAV) vector expressing lumican shRNA. Primary human lung fibroblasts (HLF) and small airway epithelial cells (SAECs) were cultured with tumour necrosis factor (TNF)-α or lumican. Luminex/ELISA, histochemistry/immunohistochemistry, immunofluorescence microscopy, quantitative real-time PCR, and western blotting were performed. RESULTS Lumican levels were significantly higher in the BALF of ARDS patients than in that of ventilated or spontaneously breathing controls (both p < 0.0001); they were correlated with the PaO2/FiO2 ratio and levels of proinflammatory cytokines (interleukin-6, interleukin-8, and TNF-α) and profibrotic factors (fibronectin, alpha-1 type I collagen [COL1A1], and alpha-1 type III collagen [COL3A1]). Lumican expression was enhanced in the alveolar walls and airway epithelium in the ALI mouse model. Murine lumican levels were also linked to proinflammatory and profibrotic cytokine levels in the BALF. In vitro, TNF-α induced the synthesis and secretion of lumican in HLF. In turn, lumican increased the expression of alpha-smooth muscle actin (α-SMA), COL1A1, and COL3A1 in HLF, upregulated α-SMA and COL3A1, downregulated E-cadherin, and caused spindle-shaped morphological changes in SAECs. Moreover, increased ERK phosphorylation and Slug were noted in both HLF and SAECs treated with lumican. In vivo, AAV-mediated knockdown of lumican inhibited the pulmonary production of fibronectin and COL3A1 and alleviated lung fibrotic lesions in LPS-challenged mice. CONCLUSIONS Pulmonary lumican levels were increased early in human and experimental ARDS and linked to disease severity and inflammatory fibrotic processes. Lumican triggers the transdifferentiation of lung fibroblasts into myofibroblasts and epithelial-mesenchymal transition in SAECs, possibly via the ERK/Slug pathway. Knockdown of pulmonary lumican attenuated extracellular matrix deposition in ALI mice. Overall, lumican promotes fibrotic responses in the early phase of ARDS, suggesting its potential as a therapeutic target.
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Affiliation(s)
- Ke Wang
- Division of Pulmonary Diseases, State Key Laboratory of Biotherapy, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan, China
| | - Youyu Wang
- Department of Thoracic Surgery, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, China
| | - Yufang Cao
- Department of Critical Care Medicine, Affiliated Haikou Hospital of Xiangya Medical College, Central South University, Haikou, China
| | - Hao Wang
- Division of Pulmonary Diseases, State Key Laboratory of Biotherapy, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan, China
| | - Yongfang Zhou
- Department of Critical Care Medicine, West China Hospital of Sichuan University, Chengdu, China
| | - Lijuan Gao
- Division of Pulmonary Diseases, State Key Laboratory of Biotherapy, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan, China
| | - Zijian Zeng
- Division of Pulmonary Diseases, State Key Laboratory of Biotherapy, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan, China
| | - Mengxin Cheng
- Division of Pulmonary Diseases, State Key Laboratory of Biotherapy, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan, China
| | - Xiaodong Jin
- Department of Critical Care Medicine, West China Hospital of Sichuan University, Chengdu, China
| | - Jun Chen
- Division of Pulmonary Diseases, State Key Laboratory of Biotherapy, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan, China
| | - Fuqiang Wen
- Division of Pulmonary Diseases, State Key Laboratory of Biotherapy, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan, China.
| | - Tao Wang
- Division of Pulmonary Diseases, State Key Laboratory of Biotherapy, and Department of Respiratory and Critical Care Medicine, West China Hospital of Sichuan University, No. 37, Guoxue Alley, Chengdu, 610041, Sichuan, China.
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Huang Y, Qiu C. Research advances in airway remodeling in asthma: a narrative review. ANNALS OF TRANSLATIONAL MEDICINE 2022; 10:1023. [PMID: 36267708 PMCID: PMC9577744 DOI: 10.21037/atm-22-2835] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Accepted: 09/06/2022] [Indexed: 12/04/2022]
Abstract
Background and Objective Asthma is a common chronic disorder of the airway, and its disability and mortality rates continue to increase each year. Due to the lack of an ideal treatment, asthma control in China remains unsatisfactory. Airway remodeling is the pathological basis for the eventual development of the fixed airflow limitation in asthmatic patients. Early diagnosis and the prevention of airway remodeling has the potential to decrease disease severity, to improve control, and to prevent disease expression. Methods This article presents an overview. The literature was combed through via CNKi and PubMed according to the listed keywords. We considered Chinese and English original publications (basic science and clinical), reviews and abstracts of 21th Century. Key Content and Findings We review the pathological features and pathogenesis of, and the interventional treatment options for airway remodeling in asthmatic patients, emphasizing the importance of airway remodeling in asthma and providing novel insights into the prevention and control of asthma. Conclusions Thus, there have been research advances in airway remodeling, especially in the areas of slowing down or reversing airway remodeling. As growing studies showed, treating airway remodeling is a promising strategy in preventing the occurrence and progression of asthma. Breakthroughs in these difficulties airway remodeling still facing will open up new avenues in the research and treatment of asthma.
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Affiliation(s)
- Yanmei Huang
- Department of Respiratory and Critical Care Medicine, The Eighth Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Chen Qiu
- Department of Respiratory and Critical Care Medicine, Shenzhen People’s Hospital, Shenzhen, China
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The Protective Effect of Artesunate on LPS-Induced Acute Respiratory Distress Syndrome through Inhibiting NLRP3 Inflammasome Signaling. EVIDENCE-BASED COMPLEMENTARY AND ALTERNATIVE MEDICINE 2022; 2022:7655033. [PMID: 36051498 PMCID: PMC9427245 DOI: 10.1155/2022/7655033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 06/21/2022] [Accepted: 07/04/2022] [Indexed: 11/23/2022]
Abstract
Background Artesunate (AS) is a derivative of artemisinin that can exert anti-inflammatory effects. This study aims to explore the effect of AS on lipopolysaccharide (LPS)-induced acute respiratory distress syndrome (ARDS). Methods The newborn mice were used for experimental ARDS model establishment by intraperitoneal injection of LPS (10 mg/kg) into mice with or without AS (20 mg/kg) pretreatment. After that, the pathological morphology of mouse lung tissue was observed by H&E staining. The content of inflammatory factors in serum was measured by ELISA and mRNA expression and lung tissue was determined by qRT-PCR. The expression of NLRP3 inflammasome and related proteins in lung tissue was confirmed by immunohistochemistry and Western blot. Results AS treatment effectively alleviated the LPS-induced lung injury and pulmonary edema, and reduced the expression of IL-1β, IL-18, IL-6, IL-8, MCP-1, and TNF-α in serum and lung tissues of experimental ARDS mice. In addition, AS treatment reduced the expression of NLRP3, ASC, and caspase-1 in lung tissues of experimental ARDS mice. Conclusion AS alleviated LPS-induced lung injury in ARDS mice by inhibiting the activation of NLRP3 inflammasome.
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Tumor necrosis factor-α coordinates with transforming growth factor-β1 to induce epithelial-mesenchymal transition and migration via the NF-κB/NOX4 pathway in bronchial epithelial cells. Mol Biol Rep 2022; 49:9325-9333. [PMID: 35913579 DOI: 10.1007/s11033-022-07777-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Accepted: 07/06/2022] [Indexed: 11/27/2022]
Abstract
BACKGROUND Epithelial-to-mesenchymal transition (EMT) is the process by which epithelial cells transform into mesenchymal cells, which plays a significant role in lung fibrotic disease. Transforming growth factor-β1(TGF-β1) is considered to be the most effective EMT inducer. The purpose of this study was to investigate the effect of the proinflammatory cytokine tumor necrosis factor-α (TNF-α) on TGF-β1-induced EMT and the underlying mechanisms in the human bronchial epithelial cell line BEAS-2B. METHODS Human bronchial epithelial BEAS-2B cells were treated with TGF-β1 and TNF-α separately or in combination for 24 h, and qRT-PCR, western blotting, immunofluorescence staining, and migration assays were used to investigate the EMT process. Moreover, to further explore the effect of the NF-κB pathway on the EMT process, inhibitor assays (BAY-117082, NF-κB inhibitor), wound healing assays, and western blotting were performed. RESULTS The results showed that both cytokines enhanced the transformation of BEAS-2B cells from epithelial to mesenchymal cells. In addition, combined treatment with TNF-α and TGF-β1 further reduced E-cadherin expression, which conversely elevated α-SMA and vimentin mRNA and protein levels. Correspondingly, the migration rate of BEAS-2B cells was also increased. Furthermore, inhibiting the NF-κB signaling pathway blocked the expression of EMT-related markers and NOX4 induced by TGF-β1 and TNF-α, as well as cell migration. CONCLUSION Taken together, TNF-α and TGF-β1 cooperatively promoted EMT and cell migration in BEAS-2B cells through the NF-κB/NOX4 signaling pathway.
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Parinandi N, Gerasimovskaya E, Verin A. Editorial: Molecular mechanisms of lung endothelial permeability. Front Physiol 2022; 13:976873. [PMID: 35936898 PMCID: PMC9355505 DOI: 10.3389/fphys.2022.976873] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Accepted: 06/30/2022] [Indexed: 01/16/2023] Open
Affiliation(s)
- Narasimham Parinandi
- Division of Pulmonary, Critical Care, and Sleep Medicine, Department of Internal Medicine, The Ohio State University Wexner Medical Center, Columbus, OH, United States
| | - Evgenia Gerasimovskaya
- Division of Critical Care Medicine, Department of Pediatrics, University of Colorado Denver, Aurora, CO, United States
| | - Alexander Verin
- Vascular Biology Center and Department of Medicine, Medical College of Georgia at Augusta University, Augusta, GA, United States,*Correspondence: Alexander Verin,
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Doan LH, Chu LW, Huang ZY, Nguyen AT, Lee CY, Huang CL, Chang YF, Hsieh WY, Nguyen TTH, Lin CH, Su CL, Chuang TH, Lai JM, Wang FS, Yang CJ, Liu HK, Ping YH, Huang CYF. Virofree, an Herbal Medicine-Based Formula, Interrupts the Viral Infection of Delta and Omicron Variants of SARS-CoV-2. Front Pharmacol 2022; 13:905197. [PMID: 35860023 PMCID: PMC9289459 DOI: 10.3389/fphar.2022.905197] [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: 03/26/2022] [Accepted: 05/20/2022] [Indexed: 12/15/2022] Open
Abstract
Coronavirus disease 2019 (COVID-19) remains a threat with the emergence of new variants, especially Delta and Omicron, without specific effective therapeutic drugs. The infection causes dysregulation of the immune system with a cytokine storm that eventually leads to fatal acute respiratory distress syndrome (ARDS) and further irreversible pulmonary fibrosis. Therefore, the promising way to inhibit infection is to disrupt the binding and fusion between the viral spike and the host ACE2 receptor. A transcriptome-based drug screening platform has been developed for COVID-19 to explore the possibility and potential of the long-established drugs or herbal medicines to reverse the unique genetic signature of COVID-19. In silico analysis showed that Virofree, an herbal medicine, reversed the genetic signature of COVID-19 and ARDS. Biochemical validations showed that Virofree could disrupt the binding of wild-type and Delta-variant spike proteins to ACE2 and its syncytial formation via cell-based pseudo-typed viral assays, as well as suppress binding between several variant recombinant spikes to ACE2, especially Delta and Omicron. Additionally, Virofree elevated miR-148b-5p levels, inhibited the main protease of SARS-CoV-2 (Mpro), and reduced LPS-induced TNF-α release. Virofree also prevented cellular iron accumulation leading to ferroptosis which occurs in SARS-CoV-2 patients. Furthermore, Virofree was able to reduce pulmonary fibrosis-related protein expression levels in vitro. In conclusion, Virofree was repurposed as a potential herbal medicine to combat COVID-19. This study highlights the inhibitory effect of Virofree on the entry of Delta and Omicron variants of SARS-CoV-2, which have not had any effective treatments during the emergence of the new variants spreading.
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Affiliation(s)
- Ly Hien Doan
- Institute of Biopharmaceutical Sciences, College of Pharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Biotechnology, Vietnam Academy of Science and Technology, Hanoi, Vietnam
| | - Li-Wei Chu
- Department and Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Zi-Yi Huang
- Program in Molecular Medicine, College of Life Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
- ASUS Intelligent Cloud Services, Taipei, Taiwan
| | - Anh Thuc Nguyen
- Institute of Biopharmaceutical Sciences, College of Pharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Taiwan National Graduate Program in Molecular Medicine, Academia Sinica, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chia-Yin Lee
- Institute of Biopharmaceutical Sciences, College of Pharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Immunology Research Center, National Health Research Institutes, Zhunan, Taiwan
| | - Chien-Ling Huang
- Institute of Biopharmaceutical Sciences, College of Pharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | | | - Wen-Yu Hsieh
- Division of Basic Chinese Medicine, National Research Institute of Chinese Medicine (NRICM), Ministry of Health and Welfare, Taipei, Taiwan
| | - Trang Thi Huyen Nguyen
- Institute of Biopharmaceutical Sciences, College of Pharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chao-Hsiung Lin
- Institute of Biopharmaceutical Sciences, College of Pharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Life Sciences and Institute of Genome Sciences, College of Life Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Aging and Health Research Center, National Yang Ming Chiao Tung University, Taipei, Taiwan
| | - Chun-Li Su
- Graduate Program of Nutrition Science, School of Life Science, National Taiwan Normal University, Taipei, Taiwan
| | - Tsung-Hsien Chuang
- Immunology Research Center, National Health Research Institutes, Zhunan, Taiwan
| | - Jin-Mei Lai
- Department of Life Science, College of Science and Engineering, Fu Jen Catholic University, New Taipei City, Taiwan
| | - Feng-Sheng Wang
- Department of Chemical Engineering, National Chung Cheng University, Chiayi, Taiwan
| | - Chia-Jui Yang
- Department of Internal Medicine, Far Eastern Memorial Hospital, New Taipei City, Taiwan
| | - Hui-Kang Liu
- Division of Basic Chinese Medicine, National Research Institute of Chinese Medicine (NRICM), Ministry of Health and Welfare, Taipei, Taiwan
- Ph.D. Program in the Clinical Drug Development of Herbal Medicine, Taipei Medical University, Taipei, Taiwan
- Traditional Herbal Medicine Research Center, Taipei Medical University Hospital, Taipei, Taiwan
- *Correspondence: Hui-Kang Liu, ; Yueh-Hsin Ping, ; Chi-Ying F. Huang,
| | - Yueh-Hsin Ping
- Department and Institute of Pharmacology, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Biophotonics, College of Biomedical Science and Engineering, National Yang Ming Chiao Tung University, Taipei, Taiwan
- *Correspondence: Hui-Kang Liu, ; Yueh-Hsin Ping, ; Chi-Ying F. Huang,
| | - Chi-Ying F. Huang
- Institute of Biopharmaceutical Sciences, College of Pharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Program in Molecular Medicine, College of Life Sciences, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Taiwan National Graduate Program in Molecular Medicine, Academia Sinica, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Institute of Clinical Medicine, College of Medicine, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Biotechnology and Laboratory Science in Medicine, School of Biomedical Science and Engineering, National Yang Ming Chiao Tung University, Taipei, Taiwan
- Department of Biochemistry, School of Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
- *Correspondence: Hui-Kang Liu, ; Yueh-Hsin Ping, ; Chi-Ying F. Huang,
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Wang Y, Shen Z, Zhao S, Huang D, Wang X, Wu Y, Pei C, Shi S, Jia N, He Y, Wang Z. Sipeimine ameliorates PM2.5-induced lung injury by inhibiting ferroptosis via the PI3K/Akt/Nrf2 pathway: A network pharmacology approach. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2022; 239:113615. [PMID: 35567927 DOI: 10.1016/j.ecoenv.2022.113615] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 04/24/2022] [Accepted: 05/05/2022] [Indexed: 06/15/2023]
Abstract
Fine particulate matter (PM2.5) exposure can cause lung injury and a large number of respiratory diseases. Sipeimine is a steroidal alkaloid isolated from Fritillaria roylei which has been associated with anti-inflammatory, antitussive and antiasthmatic properties. In this study, we explored the potential effects of sipeimine against PM2.5-induced lung injury in Sprague Dawley rats. Sipeimine alleviated lung injury caused by PM2.5 and decreased pulmonary edema, inflammation and the levels of tumor necrosis factor-α (TNF-α) and interleukin-1β (IL-1β) in the bronchoalveolar lavage fluid. In addition, sipeimine upregulated the glutathione (GSH) expression and downregulated the expression of 4-hydroxynonenal (4-HNE), tissue iron and malondialdehyde (MDA). The downregulation of proteins involved in ferroptosis, including nuclear factor E2-related factor 2 (Nrf2), glutathione peroxidase 4 (GPX4), heme oxygenase-1 (HO-1) and solute carrier family 7 member 11 (SLC7A11) was reversed by sipeimine. The administration of RSL3, a potent ferroptosis-triggering agent, blocked the effects of sipeimine. Using network pharmacology, we found that the effects of sipeimine were presumably mediated through the phosphatidylinositol 3-kinase/protein kinase B (PI3K/Akt) signaling pathway. A PI3K inhibitor (LY294002) blocked the PI3K/Akt signaling pathway and reversed the effects of sipeimine. Overall, this study suggested that the protective effect of sipeimine against PM2.5-induced lung injury was mainly mediated through the PI3K/Akt pathway, ultimately leading to a reduction in ferroptosis.
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Affiliation(s)
- Yilan Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, Sichuan 610075, China
| | - Zherui Shen
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, Sichuan 610075, China
| | - Sijing Zhao
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, Sichuan 610075, China
| | - Demei Huang
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, Sichuan 610075, China
| | - Xiaomin Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, Sichuan 610075, China
| | - Yongcan Wu
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, Sichuan 610075, China
| | - Caixia Pei
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, Sichuan 610075, China
| | - Shihua Shi
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, Sichuan 610075, China
| | - Nan Jia
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, Sichuan 610075, China
| | - Yacong He
- School of Pharmacy, Chengdu University of Traditional Chinese Medicine, No.1166 Liutai Avenue, Chengdu, Sichuan 611137, China.
| | - Zhenxing Wang
- Hospital of Chengdu University of Traditional Chinese Medicine, No. 39 Shi-er-qiao Road, Chengdu, Sichuan 610075, China.
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Liu L, Chen X, Jiang Y, Yuan Y, Yang L, Hu Q, Tang J, Meng X, Xie C, Shen X. Brevilin A Ameliorates Acute Lung Injury and Inflammation Through Inhibition of NF-κB Signaling via Targeting IKKα/β. Front Pharmacol 2022; 13:911157. [PMID: 35774606 PMCID: PMC9237443 DOI: 10.3389/fphar.2022.911157] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 05/19/2022] [Indexed: 11/13/2022] Open
Abstract
Acute lung injury (ALI) is life-threatening disease characterized by uncontrolled inflammatory response. IKKα/β, the key kinases in the activation of NF-κB pathway, are implicated in inflammatory pulmonary injury, and represent attractive targets for ALI therapy. Brevilin A (BVA) is a sesquiterpene lactone from Centipeda minima, a Chinese herb used to treat inflammatory diseases. This study aims to investigate the inhibition of BVA on ALI, with focus on clarifying the molecular mechanisms involved in BVA-mediated anti-inflammatory activity in macrophages. Briefly, BVA significantly inhibited the production of NO and PGE2 by suppressing iNOS and COX2 expression, and suppressed the mRNA expression of IL-1β, IL-6, and TNFα in LPS/IFNγ-stimulated RAW264.7 macrophages. The anti-inflammatory activity of BVA was further confirmed in LPS/IFNγ-stimulated BMDMs and TNFα/IFNγ-exposed RAW264.7 cells. In vivo, BVA effectively attenuated LPS-induced lung damage, inflammatory infiltration, and production of pro-inflammatory cytokines, including MPO, IL-1β, IL-6, TNFα, and PGE2. Mechanistically, BVA could covalently bind to the cysteine 114 of IKKα/β, and effectively inhibiting the activity and function of IKKα/β, thereby resulting in the suppression of phosphorylation and degradation of IκBα and the subsequent activation of NF-κB signaling. Furthermore, pretreatment of DTT, a thiol ligand donor, significantly abolished BVA-mediated effects in LPS/IFNγ-stimulated RAW264.7 cells, suggesting the crucial role of the electrophilic α, β-unsaturated ketone of BVA on its anti-inflammatory activity. These results suggest that BVA ameliorates ALI through inhibition of NF-κB signaling via covalently targeting IKKα/β, raising the possibility that BVA could be effective in the treatment of ALI and other diseases harboring aberrant NF-κB signaling.
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Affiliation(s)
- Lu Liu
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xian Chen
- Department of Pathology, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yifang Jiang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Yun Yuan
- Department of Laboratory Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Luyao Yang
- Department of Laboratory Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Qiongying Hu
- Department of Laboratory Medicine, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Jianyuan Tang
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Xianli Meng
- College of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, China
| | - Chunguang Xie
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- *Correspondence: Chunguang Xie, ; Xiaofei Shen,
| | - Xiaofei Shen
- TCM Regulating Metabolic Diseases Key Laboratory of Sichuan Province, Hospital of Chengdu University of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Chengdu, China
- *Correspondence: Chunguang Xie, ; Xiaofei Shen,
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Liu G, Li S, Zhang N, Wei N, Wang M, Liu J, Xu Y, Li Y, Sun Q, Li Y, Li F, Yu P, Liu M, Wang Y, Zhai H, Wang Y. Sequential grade evaluation method exploration of Exocarpium Citri Grandis (Huajuhong) decoction pieces based on "network prediction → grading quantization → efficacy validation". JOURNAL OF ETHNOPHARMACOLOGY 2022; 291:115149. [PMID: 35231589 DOI: 10.1016/j.jep.2022.115149] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/11/2021] [Revised: 02/08/2022] [Accepted: 02/24/2022] [Indexed: 06/14/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Exocarpium Citri Grandis (Huajuhong) is an authentic Chinese materia medica with excellent curative effects on relieving cough and reducing phlegm, which has been reputed as "Southern Ginseng" in China for a long history. AIM OF THE STUDY To establish a sequential grade evaluation method with strong operability and controllable quality for Huajuhong decoction pieces. MATERIALS AND METHODS (1) Indicators of ingredients and bio-effects were predicted by network pharmacology, and the potential pharmacodynamic ingredients and key targets were analyzed integrating screening results and literatures. (2) 45 batches of Huajuhong decoction pieces from different producing areas were collected and graded by original plant, planting place, and harvesting time. The chemical indicators determination of Huajuhong decoction pieces was conducted by Ultra Performance Liquid Chromatography (UPLC). (3) 112 rats with idiopathic pulmonary fibrosis (IPF) model were used to evaluated the efficacy within graded groups. RESULTS (1) There are 22 key targets corresponding to 20 potential ingredients related to immunity and inflammation pathways for Huajuhong. Naringin and rhoifolin were chosen as the chemical indicators, and IL-6, IL-8, MCP-1, MIP-1α, TNF-α, TGF-β1 were selected as bio-indicators for different grades of Huajuhong decoction pieces. (2) The contents of the naringin and rhoifolin can reflect the quality of different grades of Huajuhong decoction pieces. (3) The efficacy of different grades of Huajuhong decoction pieces can delay the progression of IPF in varying degrees via the selected bio-indicators' pathways. CONCLUSIONS This sequential grading evaluation method is an attempt to apply systems pharmacology which integrates network pharmacology, quantitative chemical and experiments on animals to the classification of TCM decoction pieces. Combining the concepts of traditional theory and modern technology to explain the complex grading mechanism of TCM decoction pieces is worth popularizing and applying.
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Affiliation(s)
- Guoxiu Liu
- Standardization Research Center of Traditional Chinese Medicine Dispensing, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Siyu Li
- Standardization Research Center of Traditional Chinese Medicine Dispensing, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Nan Zhang
- Standardization Research Center of Traditional Chinese Medicine Dispensing, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Namin Wei
- Standardization Research Center of Traditional Chinese Medicine Dispensing, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Mengxin Wang
- Standardization Research Center of Traditional Chinese Medicine Dispensing, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Jiao Liu
- Standardization Research Center of Traditional Chinese Medicine Dispensing, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Yan Xu
- Standardization Research Center of Traditional Chinese Medicine Dispensing, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Yanan Li
- Standardization Research Center of Traditional Chinese Medicine Dispensing, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Qianqian Sun
- Standardization Research Center of Traditional Chinese Medicine Dispensing, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Yixuan Li
- Standardization Research Center of Traditional Chinese Medicine Dispensing, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China
| | - Feng Li
- Huazhou Huajuhong Medicinal Materials Development Co. LTD, Guangdong, 525199, China
| | - Pinhao Yu
- Huazhou Huajuhong Medicinal Materials Development Co. LTD, Guangdong, 525199, China
| | - Mengyu Liu
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
| | - Yanping Wang
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China.
| | - Huaqiang Zhai
- Standardization Research Center of Traditional Chinese Medicine Dispensing, School of Chinese Materia Medica, Beijing University of Chinese Medicine, Beijing, 102488, China.
| | - Yongyan Wang
- Institute of Basic Research in Clinical Medicine, China Academy of Chinese Medical Sciences, Beijing, 100700, China
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Li R, Jia Y, Kong X, Nie Y, Deng Y, Liu Y. Novel drug delivery systems and disease models for pulmonary fibrosis. J Control Release 2022; 348:95-114. [PMID: 35636615 DOI: 10.1016/j.jconrel.2022.05.039] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 05/17/2022] [Accepted: 05/21/2022] [Indexed: 12/19/2022]
Abstract
Pulmonary fibrosis (PF) is a serious and progressive lung disease which is possibly life-threatening. It causes lung scarring and affects lung functions including epithelial cell injury, massive recruitment of immune cells and abnormal accumulation of extracellular matrix (ECM). There is currently no cure for PF. Treatment for PF is aimed at slowing the course of the disease and relieving symptoms. Pirfenidone (PFD) and nintedanib (NDNB) are currently the only two FDA-approved oral medicines to slow down the progress of idiopathic pulmonary fibrosis, a specific type of PF. Novel drug delivery systems and therapies have been developed to improve the prognosis of the disease, as well as reduce or minimize the toxicities during drug treatment. The drug delivery routes for these therapies are various including oral, intravenous, nasal, inhalant, intratracheal and transdermal; although this is dependent on specific treatment mechanisms. In addition, researchers have also expanded current animal models that could not fully restore the clinicopathology, and developed a series of in vitro models such as organoids to study the pathogenesis and treatment of PF. This review describes recent advances on pathogenesis exploration, classifies and specifies the progress of drug delivery systems by their delivery routes, as well as an overview on the in vitro and in vivo models for PF research.
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Affiliation(s)
- Rui Li
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510275, China
| | - Yizhen Jia
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510275, China
| | - Xiaohan Kong
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510275, China
| | - Yichu Nie
- Clinical Research Institute, The First People's Hospital of Foshan, Foshan 528000, China
| | - Yang Deng
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510275, China
| | - Yang Liu
- School of Pharmaceutical Sciences (Shenzhen), Sun Yat-sen University, Guangzhou 510275, China; School of Pharmaceutical Sciences (Shenzhen), Shenzhen Campus of Sun Yat-sen University, Shenzhen 518107, China.
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Cui P, Tang Z, Zhan Q, Deng C, Lai Y, Zhu F, Xin H, Li R, Chen A, Tong Y. In vitro and vivo study of tranilast protects from acute respiratory distress syndrome and early pulmonary fibrosis induced by smoke inhalation. Burns 2022; 48:880-895. [PMID: 35410697 DOI: 10.1016/j.burns.2022.03.010] [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: 11/30/2020] [Revised: 03/14/2022] [Accepted: 03/15/2022] [Indexed: 12/15/2022]
Abstract
BACKGROUND Tranilast (N-[3',4'-dimethoxycinnamoyl]-anthranilic acid) is an analog of a tryptophan metabolite. It was identified with anti-inflammatory and antifibrotic activities, and used in the treatment of a variety of diseases, such as anti - allergy, bronchial asthma, and hypertrophic scars. As a drug with few adverse reactions, tranilast has attracted great attention, but its application is limited due to the uncertainty of dosages and mechanisms. In this study, the protection effects of different doses of tranilast on smoke inhalation mediated lung injury on rats, and on the damage of three kinds of lung cells in vitro were investigated. METHOD In vivo, Sprague-Dawley rats were randomly divided into sham group, smoke group (rats were exposed to pine sawdust smoke three times, each time for 5 min), different doses of tranilast treatment group (doses were 100 mg/kg, 200 mg/kg and 300 mg/kg, ip.) and placebo group. After 1, 3 and 7 days, pulmonary function, pathologic injury by HE staining, cytokines and oxidative stress level by kits were determined. At 7days, lung fibrosis was assessed by Masson's trichrome staining and the level of hydroxyproline (HYP). In vitro, three kinds of lung cells from normal rats were isolated: type II alveolar epithelial cells (AT-II), pulmonary microvascular endothelial cells (PMVECs) and pulmonary fibroblasts (PFs). To investigate the potential effects of tranilast on cell proliferation, cell cycle and cytokine production of three kinds of lung cells exposed to smoke. RESULTS Compared with smoke group and placebo group, tranilast treatment significantly reduced histopathological changes (such as pulmonary hemorrhage, edema and inflammatory cell infiltration, etc.), significantly reduced histopathological score (p < 0.05), increased arterial oxygen partial pressure, and decreased the levels of IL-1β, TNF-α, TGF-β1 (p < 0.05), oxidative stress and the expression of nuclear transcription factor κB (NF-κB) smoke exposed rats (p < 0.01). In particular, the effect of 200 mg/kg dose was more prominent. In vitro, smoke induced AT-II and PMVECs apoptosis, improved PFs proliferation (p < 0.01), activity of SOD and decreased the content of MDA (p < 0.01). However, tranilast seems to be turning this trend well. The inflammatory factor IL-11β, TNF-α and TGF-β1, and the expression of NF-κB were significantly lower in the tranilast treatment than in the smoke group (p < 0.01). CONCLUSION This study indicates that tranilast had a protective effect on acute respiratory distress syndrome and early pulmonary fibrosis of rats in vivo. In addition, tranilast promotes proliferation of AT-II and PMVECs but inhibits PFs proliferation, down-regulates secretion of inflammatory cytokines and alleviates oxidative stress of AT-II, PMVECs and PFs after smoke stimuli in vitro.
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Affiliation(s)
- Pei Cui
- Department of Burns, Plastic and Wound Repair Surgery, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China; Animal Laboratory, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China
| | - Zhiping Tang
- Department of Burns, Plastic and Wound Repair Surgery, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China; Animal Laboratory, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China
| | - Qiu Zhan
- Department of Burns, Plastic and Wound Repair Surgery, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China; Animal Laboratory, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China
| | - Chunjiang Deng
- Department of Burns, Plastic and Wound Repair Surgery, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China; Animal Laboratory, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China
| | - Yanhua Lai
- Department of Burns, Plastic and Wound Repair Surgery, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China; Animal Laboratory, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China
| | - Fujun Zhu
- Department of Burns, Plastic and Wound Repair Surgery, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China; Animal Laboratory, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China
| | - Haiming Xin
- Department of Burns, Plastic and Wound Repair Surgery, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China; Animal Laboratory, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China
| | - Rongsheng Li
- Department of Burns, Plastic and Wound Repair Surgery, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China; Animal Laboratory, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China
| | - Anning Chen
- Department of Burns, Plastic and Wound Repair Surgery, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China; Animal Laboratory, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China
| | - Yalin Tong
- Department of Burns, Plastic and Wound Repair Surgery, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China; Animal Laboratory, The 924th Hospital of the Joint Logistics Support Force of Chinese PLA, Guilin 541002, China.
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Saraiva AL, Justino AB, Franco RR, Silva HCG, Arruda FDS, Klein SG, Celes MRN, Goulart LR, Espindola FS. Polyphenols-Rich Fraction from Annona muricata Linn. Leaves Attenuates Oxidative and Inflammatory Responses in Neutrophils, Macrophages, and Experimental Lung Injury. Pharmaceutics 2022; 14:pharmaceutics14061182. [PMID: 35745755 PMCID: PMC9228609 DOI: 10.3390/pharmaceutics14061182] [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: 03/08/2022] [Revised: 05/23/2022] [Accepted: 05/26/2022] [Indexed: 02/05/2023] Open
Abstract
Annona muricata Linn. is a common plant found in the warmest regions of South and Central America and its use in traditional medicine has been reported for the treatment of various illnesses. In the current study, we investigate the antioxidant and anti-inflammatory activities of crude extract and fractions from A. muricata L. leaves in isolated murine phagocytic immune cells as well as experimental LPS-induced acute lung injury (ALI). In a luminol-dependent chemiluminescence assay, we showed that ethyl acetate (EtOAc.f) and n-butanol (BuOH.f) fractions—both rich in polyphenols—reduced the generation of reactive oxygen species (ROS) by neutrophils stimulated with opsonized zymosan; similar results were found in culture of bone marrow-derived macrophages (BMDMs). By evaluating anti-inflammatory activity in BMDMs, EtOAc.f and BuOH.f reduced secretion of IL-6 and expression of the co-stimulatory molecule CD40. Furthermore, in LPS-induced ALI, oral administration of EtOAc.f reduced myeloperoxidase (MPO) activity in lung tissue. In addition, on a mechanism dependent on glutathione levels, the oxidative damage was also attenuated. These findings revealed direct antioxidant and anti-inflammatory activities of polyphenols-rich fractions of A. muricata L. leaves on neutrophils and macrophages. Moreover, the reduced oxidative damage and levels of inflammatory markers in experimental ALI suggest that these fractions might be explored for the development of new therapies for inflammatory conditions.
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Affiliation(s)
- André Lopes Saraiva
- Institute of Biotechnology, Federal University of Uberlândia, Rua Acre s/n, Bloco 2E, Uberlândia 38400-902, MG, Brazil; (A.L.S.); (A.B.J.); (R.R.F.); (H.C.G.S.)
| | - Allisson Benatti Justino
- Institute of Biotechnology, Federal University of Uberlândia, Rua Acre s/n, Bloco 2E, Uberlândia 38400-902, MG, Brazil; (A.L.S.); (A.B.J.); (R.R.F.); (H.C.G.S.)
| | - Rodrigo Rodrigues Franco
- Institute of Biotechnology, Federal University of Uberlândia, Rua Acre s/n, Bloco 2E, Uberlândia 38400-902, MG, Brazil; (A.L.S.); (A.B.J.); (R.R.F.); (H.C.G.S.)
| | - Heitor Cappato Guerra Silva
- Institute of Biotechnology, Federal University of Uberlândia, Rua Acre s/n, Bloco 2E, Uberlândia 38400-902, MG, Brazil; (A.L.S.); (A.B.J.); (R.R.F.); (H.C.G.S.)
| | - Felipe dos Santos Arruda
- Department of Bioscience and Technology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Rua 235, Setor Leste Universitário, Goiânia 74605-050, GO, Brazil; (F.d.S.A.); (M.R.N.C.)
| | - Sandra Gabriela Klein
- Rodent Vivarium Network (REBIR), Dean of Research and Graduate Studies, Federal University of Uberlândia, Rua Ceará s/n, Bloco 4U, Uberlândia 38405-315, MG, Brazil;
| | - Mara Rúbia Nunes Celes
- Department of Bioscience and Technology, Institute of Tropical Pathology and Public Health, Federal University of Goiás, Rua 235, Setor Leste Universitário, Goiânia 74605-050, GO, Brazil; (F.d.S.A.); (M.R.N.C.)
| | | | - Foued Salmen Espindola
- Institute of Biotechnology, Federal University of Uberlândia, Rua Acre s/n, Bloco 2E, Uberlândia 38400-902, MG, Brazil; (A.L.S.); (A.B.J.); (R.R.F.); (H.C.G.S.)
- Correspondence: ; Tel.: +55-34-3225-8439
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Miao Y, Wang B, Hu J, Zhang H, Li X, Huang Y, Zhuang P, Zhang Y. Herb Formula (GCis) Prevents Pulmonary Infection Secondary to Intracerebral Hemorrhage by Enhancing Peripheral Immunity and Intestinal Mucosal Immune Barrier. Front Pharmacol 2022; 13:888684. [PMID: 35677425 PMCID: PMC9168277 DOI: 10.3389/fphar.2022.888684] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 04/04/2022] [Indexed: 11/13/2022] Open
Abstract
Lung infection is a common complication induced by stroke and seriously affects the prognosis and life quality of patients. However, effective therapeutic strategies are still lacking. In the present study, the herb formula GCis was confirmed to prevent pulmonary infection induced by intracerebral hemorrhage (ICH). The animal model of lung infection induced by ICH, GCis (Ginseng Radix et Rhizoma, Aconiti Lateralis Radix Praeparata, and Cistanches Herba) was orally administrated every day for 7 days. Lung microbial biomass and pathological results showed that the GCis formula pretreatment significantly reduced lung bacterial biomass and alleviated pathological abnormalities. These results indicated that the GCis formula has a clear pharmacological effect on preventing lung infection induced by ICH. Immunosuppression induced by ICH seemed to be the main mechanism of lung infection. Our results showed that the spleen and thymus indexes, WBC, and LY% contents were significantly increased in the GCis formula group. Moreover, bone marrow cells were further analyzed by transcriptome sequencing, and GO and KEGG enrichment analysis results showed that immune function was the main pathway enriched by differential genes after GCis formula intervention. More importantly, our results showed that GCis pretreatment had no significant effect on the mRNA expression of IL-1β, IL-6, and TNF-α in the brain. These results indicated that the GCis formula could enhance immunity after ICH. The intestinal barrier function was further investigated in the present study, considering the origin of the source of infection. Our results showed that the mRNA expressions of intestinal ZO-1, SIgA, and MUC2 were significantly increased, villi structure was intact, inflammatory cell infiltration was reduced, and goblet cell number was increased after GCis formula treatment. These results suggest that the GCis formula can enhance the intestinal mucosal immune barrier. This study provides a herb formula (GCis) that could enhance peripheral immunity and intestinal mucosal immune barrier to prevent pulmonary infection induced by ICH. It would be beneficial in the prevention of severe clinical infections.
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Affiliation(s)
- Yulu Miao
- Chinese Materia Medica College, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Bin Wang
- Chinese Materia Medica College, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Jing Hu
- Chinese Materia Medica College, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Hanyu Zhang
- Chinese Materia Medica College, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Xiaojin Li
- Chinese Materia Medica College, Tianjin University of Traditional Chinese Medicine, Tianjin, China
| | - Yingying Huang
- College of Pharmacy, Anhui University of Chinese Medicine and Anhui Academy of Chinese Medicine, Hefei, China
- *Correspondence: Yingying Huang, ; Pengwei Zhuang, ; Yanjun Zhang,
| | - Pengwei Zhuang
- Chinese Materia Medica College, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- *Correspondence: Yingying Huang, ; Pengwei Zhuang, ; Yanjun Zhang,
| | - Yanjun Zhang
- Tianjin State Key Laboratory of Modern Chinese Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin, China
- *Correspondence: Yingying Huang, ; Pengwei Zhuang, ; Yanjun Zhang,
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50
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Wang W, Liu Y, Pan P, Huang Y, Chen T, Yuan T, Ma Y, Han G, Li J, Jin Y, Xie F. Pulmonary delivery of resveratrol- β-cyclodextrin inclusion complexes for the prevention of zinc chloride smoke-induced acute lung injury. Drug Deliv 2022; 29:1122-1131. [PMID: 35380089 PMCID: PMC8986301 DOI: 10.1080/10717544.2022.2048135] [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] [Indexed: 12/02/2022] Open
Abstract
Smoke bombs are often used in military/fire training, which can produce a large amount of zinc chloride (ZnCl2) smoke. Inhalation of ZnCl2 smoke usually causes acute lung injury (ALI) that would likely develop to acute respiratory distress syndrome (ARDS). However, there is no effective prevention or treatment strategy for the smoke-induced ALI. Resveratrol (RES) is a natural polyphenol with good anti-inflammatory and anti-apoptotic activities, but its low solubility, stability, and bioavailability restrict its clinical application. In this study, an inhalable RES formulation composed of RES-β-cyclodextrin inclusion complexes (RES-β-CD) was prepared for the prevention of ZnCl2 smoke-induced ALI. RES-β-CD powders had a small mass median aerodynamic diameter of 3.61 μm and a high fine particle fraction of 38.84%, suitable for pulmonary inhalation. RES-β-CD exhibited low BEAS-2B cytotoxicity. Pulmonary delivery of RES-β-CD to mice remarkably prevented the smoke-induced ALI with downregulation of TNF-α, IL-1β, STAT3, and GATA3, and upregulation of T-bet and Foxp3. RES-β-CD protected the respiratory function, percutaneous oxygen saturation, physical activity, lung capillary integrity, and lung liquid balance, alleviating inflammation and apoptosis. Pulmonary delivery of the positive drug, budesonide (BUD), also alleviated the smoke-induced ALI by reduction of inflammation and cell apoptosis. RES-β-CD exhibited the regulation of the Th1/Th2 and Treg/Th17 balances, while BUD did not show any effect on immune balances. In conclusion, pulmonary delivery of RES-β-CD is a promising anti-inflammatory and anti-apoptosis strategy for the prevention of ZnCl2 smoke-induced ALI by direct lung drug distribution and regulation of immune balance.
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Affiliation(s)
- Wanmei Wang
- Pharmaceutical College of Henan University, Kaifeng, China.,Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Yan Liu
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Pan Pan
- Respiratory Intensive Care Unit, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yueqi Huang
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Ting Chen
- Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Tianyu Yuan
- Pharmaceutical College of Henan University, Kaifeng, China.,Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Yulong Ma
- Department of Anesthesiology, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Guang Han
- Pharmaceutical College of Henan University, Kaifeng, China
| | - Jiahuan Li
- Pharmaceutical College of Henan University, Kaifeng, China
| | - Yiguang Jin
- Pharmaceutical College of Henan University, Kaifeng, China.,Department of Pharmaceutical Sciences, Beijing Institute of Radiation Medicine, Beijing, China
| | - Fei Xie
- Respiratory Intensive Care Unit, The First Medical Center of Chinese PLA General Hospital, Beijing, China
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