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Chen X, Chen Y, Zhang Y, Zhang Y, Wang Y, Li Y, Sun Y, Meng G, Yang G, Li H. ZG16 impacts gut microbiota-associated intestinal inflammation and pulmonary mucosal function through bacterial metabolites. Int Immunopharmacol 2024; 141:112995. [PMID: 39191121 DOI: 10.1016/j.intimp.2024.112995] [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: 11/11/2023] [Revised: 07/04/2024] [Accepted: 08/19/2024] [Indexed: 08/29/2024]
Abstract
Zymogen granule 16 (ZG16) is a secretory glycoprotein found in zymogen granules, which also plays an important role in colorectal inflammation and cancer. Herein, a ZG16 gene knock-out (ZG16-/-) mouse line was established and we found that ZG16 deletion damaged the intestinal mucosal barrier and gut microbiota, which resulted in low-level inflammation and further promoted the development of ulcerative colitis and inflammation-related colorectal cancer. Meanwhile, a metabolomics analysis on mouse feces showed that the metabolites significantly differed between ZG16-/- and WT mice, which were important mediators of host-microbiota communication and may impact the pulmonary inflammation of mice. Indeed, ZG16-/- mice showed more severe inflammation in a bronchial asthma model. Taken together, the results demonstrate that ZG16 plays a pivotal role in inhibiting inflammation and regulating immune responses in colorectum and lung of experimental animals, which may provide a better understanding of the underlying mechanism of human inflammatory diseases associated with ZG16.
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Affiliation(s)
- Xinping Chen
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, PR China
| | - Yixin Chen
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, PR China
| | - Ying Zhang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, PR China
| | - Yonghuan Zhang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, PR China
| | - Yao Wang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, PR China
| | - Yingjia Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, PR China
| | - Yaqi Sun
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, PR China
| | - Guangxun Meng
- The Center for Microbes, Development, and Health, CAS Key Laboratory of Molecular Virology & Immunology, Shanghai Institute of Immunity and Infection, University of Chinese Academy of Sciences, Shanghai 200031, PR China.
| | - Guiwen Yang
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, PR China.
| | - Hua Li
- Shandong Provincial Key Laboratory of Animal Resistance Biology, College of Life Sciences, Shandong Normal University, Jinan 250014, PR China; The Center for Microbes, Development, and Health, CAS Key Laboratory of Molecular Virology & Immunology, Shanghai Institute of Immunity and Infection, University of Chinese Academy of Sciences, Shanghai 200031, PR China.
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2
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De Rubis G, Paudel KR, Vishwas S, Kokkinis S, Chellappan DK, Gupta G, MacLoughlin R, Gulati M, Singh SK, Dua K. Fecal microbiome extract downregulates the expression of key proteins at the interface between airway remodelling and lung cancer pathogenesis in vitro. Pathol Res Pract 2024; 260:155387. [PMID: 38870713 DOI: 10.1016/j.prp.2024.155387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/10/2024] [Revised: 05/17/2024] [Accepted: 05/31/2024] [Indexed: 06/15/2024]
Abstract
Lung cancer (LC) is the leading cause of cancer-related mortality, and it is caused by many factors including cigarette smoking. Despite numerous treatment strategies for LC, its five-year survival is still poor (<20 %), attributable to treatment resistance and lack of early diagnosis and intervention. Importantly, LC incidence is higher in patients affected by chronic respiratory diseases (CRDs) such as asthma and chronic obstructive pulmonary disorder (COPD), and LC shares with other CRDs common pathophysiological features including chronic inflammation, oxidative stress, cellular senescence, and airway remodelling. Remodelling is a complex process resulting from the aberrant activation of tissue repair secondary to chronic inflammation, oxidative stress, and tissue damage observed in the airways of CRD patients, and it is characterized by irreversible airway structural and functional alterations, concomitantly with tissue fibrosis, epithelial-to-mesenchymal transition (EMT), excessive collagen deposition, and thickening of the basement membrane. Many processes involved in remodelling, particularly EMT, are also fundamental for LC pathogenesis, highlighting a potential connection between CRDs and LC. This provides rationale for the development of novel treatment strategies aimed at targeting components of the remodelling pathways. In this study, we tested the in vitro therapeutic activity of rat fecal microbiome extract (FME) on A549 human lung adenocarcinoma cells. We show that treatment with FME significantly downregulates the expression of six proteins whose function is at the forefront between airway remodelling and LC development: Snail, SPARC, MUC-1, Osteopontin, MMP-2, and HIF-1α. The results of this study, if confirmed by further investigations, provide proof-of-concept for a novel approach in the treatment of LC, focused on tackling the airway remodelling mechanisms underlying the increased susceptibility to develop LC observed in CRD patients.
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Affiliation(s)
- Gabriele De Rubis
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Keshav Raj Paudel
- Centre for Inflammation, Centenary Institute and University of Technology Sydney, Faculty of Science, School of Life Sciences, Sydney 2007, Australia; Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India
| | - Sukriti Vishwas
- School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Sofia Kokkinis
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia
| | - Dinesh Kumar Chellappan
- Department of Life Sciences, School of Pharmacy, International Medical University, Bukit Jalil, Kuala Lumpur 57000, Malaysia
| | - Gaurav Gupta
- Chitkara College of Pharmacy, Chitkara University, Rajpura, India; Centre of Medical and Bio-Allied Health Sciences Research, Ajman University, Ajman, United Arab Emirates
| | - Ronan MacLoughlin
- Aerogen, IDA Business Park, Dangan, Galway H91 HE94, Ireland; School of Pharmacy & Biomolecular Sciences, Royal College of Surgeons in Ireland, Dublin D02 YN77, Ireland; School of Pharmacy & Pharmaceutical Sciences, Trinity College, Dublin D02 PN40, Ireland
| | - Monica Gulati
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia; School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Sachin Kumar Singh
- Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia; School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India; School of Medical and Life Sciences, Sunway University, 47500 Sunway City, Malaysia.
| | - Kamal Dua
- Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, NSW 2007, Australia; Faculty of Health, Australian Research Centre in Complementary and Integrative Medicine, University of Technology Sydney, Ultimo, Australia; Uttaranchal Institute of Pharmaceutical Sciences, Uttaranchal University, Dehradun, India.
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3
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Peng W, Giesbers KC, Šiborová M, Beugelink JW, Pronker MF, Schulte D, Hilkens J, Janssen BJ, Strijbis K, Snijder J. Reverse-engineering the anti-MUC1 antibody 139H2 by mass spectrometry-based de novo sequencing. Life Sci Alliance 2024; 7:e202302366. [PMID: 38508723 PMCID: PMC10955041 DOI: 10.26508/lsa.202302366] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2023] [Revised: 03/11/2024] [Accepted: 03/12/2024] [Indexed: 03/22/2024] Open
Abstract
Mucin 1 (MUC1) is a transmembrane mucin expressed at the apical surface of epithelial cells at mucosal surfaces. MUC1 has a barrier function against bacterial invasion and is well known for its aberrant expression and glycosylation in adenocarcinomas. The MUC1 extracellular domain contains a variable number of tandem repeats (VNTR) of 20 amino acids, which are heavily O-linked glycosylated. Monoclonal antibodies against the MUC1 VNTR are powerful research tools with applications in the diagnosis and treatment of MUC1-expressing cancers. Here, we report direct mass spectrometry-based sequencing of anti-MUC1 hybridoma-derived 139H2 IgG, enabling reverse-engineering of the functional recombinant monoclonal antibody. The crystal structure of the 139H2 Fab fragment in complex with the MUC1 epitope was solved, revealing the molecular basis of 139H2 binding specificity to MUC1 and its tolerance to O-glycosylation of the VNTR. The available sequence of 139H2 will allow further development of MUC1-related diagnostic, targeting, and treatment strategies.
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Affiliation(s)
- Weiwei Peng
- https://ror.org/04pp8hn57 Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - Koen Cap Giesbers
- https://ror.org/04pp8hn57 Department of Biomolecular Health Sciences, Division of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Marta Šiborová
- https://ror.org/04pp8hn57 Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - J Wouter Beugelink
- https://ror.org/04pp8hn57 Structural Biochemistry, Bijvoet Center for Biomolecular Research, Department of Chemistry, Faculty of Science, Utrecht University, Utrecht, Netherlands
| | - Matti F Pronker
- https://ror.org/04pp8hn57 Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - Douwe Schulte
- https://ror.org/04pp8hn57 Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
| | - John Hilkens
- Division of Molecular Genetics, The Netherlands Cancer Institute, Amsterdam, Netherlands
| | - Bert Jc Janssen
- https://ror.org/04pp8hn57 Structural Biochemistry, Bijvoet Center for Biomolecular Research, Department of Chemistry, Faculty of Science, Utrecht University, Utrecht, Netherlands
| | - Karin Strijbis
- https://ror.org/04pp8hn57 Department of Biomolecular Health Sciences, Division of Infectious Diseases and Immunology, Faculty of Veterinary Medicine, Utrecht University, Utrecht, Netherlands
| | - Joost Snijder
- https://ror.org/04pp8hn57 Biomolecular Mass Spectrometry and Proteomics, Bijvoet Center for Biomolecular Research and Utrecht Institute of Pharmaceutical Sciences, Utrecht University, Utrecht, Netherlands
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Ambrogi M, Vezina CM. Roles of airway and intestinal epithelia in responding to pathogens and maintaining tissue homeostasis. Front Cell Infect Microbiol 2024; 14:1346087. [PMID: 38736751 PMCID: PMC11082347 DOI: 10.3389/fcimb.2024.1346087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 04/10/2024] [Indexed: 05/14/2024] Open
Abstract
Epithelial cells form a resilient barrier and orchestrate defensive and reparative mechanisms to maintain tissue stability. This review focuses on gut and airway epithelia, which are positioned where the body interfaces with the outside world. We review the many signaling pathways and mechanisms by which epithelial cells at the interface respond to invading pathogens to mount an innate immune response and initiate adaptive immunity and communicate with other cells, including resident microbiota, to heal damaged tissue and maintain homeostasis. We compare and contrast how airway and gut epithelial cells detect pathogens, release antimicrobial effectors, collaborate with macrophages, Tregs and epithelial stem cells to mount an immune response and orchestrate tissue repair. We also describe advanced research models for studying epithelial communication and behaviors during inflammation, tissue injury and disease.
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Affiliation(s)
| | - Chad M. Vezina
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, United States
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Hesser J, Mueller RS, Langdon C, Schubiger CB. Immunomodulatory effects of a probiotic combination treatment to improve the survival of Pacific oyster ( Crassostrea gigas) larvae against infection by Vibrio coralliilyticus. Front Immunol 2024; 15:1380089. [PMID: 38650950 PMCID: PMC11033467 DOI: 10.3389/fimmu.2024.1380089] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2024] [Accepted: 03/18/2024] [Indexed: 04/25/2024] Open
Abstract
Introduction The culture of Pacific oysters (Crassostrea gigas) is of significant socio-economic importance in the U.S. Pacific Northwest and other temperate regions worldwide, with disease outbreaks acting as significant bottlenecks to the successful production of healthy seed larvae. Therefore, the current study aims to describe the mechanisms of a probiotic combination in improving the survival of C. gigas larvae. Specifically, we investigate changes in C. gigas larval gene expression in response to V. coralliilyticus infection with or without a pre-treatment of a novel probiotic combination. Methods Treatment groups consisted of replicates of Pacific oyster larvae exposed to a) a combination of four probiotic bacteria at a total concentration of 3.0 x 105 CFU/mL at 18 hours post-fertilization (hpf), b) pathogenic V. coralliilyticus RE22 at a concentration of 6.0 x 103 CFU/mL at 48 hpf, and c) the probiotic combination at 18 hpf and V. coralliilyticus RE22 at 48 hpf. RNA was extracted from washed larvae after 72 hpf, and transcriptome sequencing was used to identify significant differentially expressed genes (DEGs) within each treatment. Results Larvae challenged with V. coralliilyticus showed enhanced expression of genes responsible for inhibiting immune signaling (i.e., TNFAIP3, PSMD10) and inducing apoptosis (i.e., CDIP53). However, when pre-treated with the probiotic combination, these genes were no longer differentially expressed relative to untreated control larvae. Additionally, pre-treatment with the probiotic combination increased expression of immune signaling proteins and immune effectors (i.e., IL-17, MyD88). Apparent immunomodulation in response to probiotic treatment corresponds to an increase in the survival of C. gigas larvae infected with V. coralliilyticus by up to 82%. Discussion These results indicate that infection with V. coralliilyticus can suppress the larval immune response while also prompting cell death. Furthermore, the results suggest that the probiotic combination treatment negates the deleterious effects of V. coralliilyticus on larval gene expression while stimulating the expression of genes involved in infection defense mechanisms.
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Affiliation(s)
- Jennifer Hesser
- Department of Biomedical Sciences, Carlson College of Veterinary Medicine, Oregon State University, Corvallis, OR, United States
| | - Ryan S. Mueller
- Department of Microbiology, College of Science, Oregon State University, Corvallis, OR, United States
| | - Chris Langdon
- Coastal Oregon Marine Experiment Station and Department of Fisheries, Wildlife, and Conservation Sciences, College of Agricultural Sciences, Oregon State University, Corvallis, OR, United States
| | - Carla B. Schubiger
- Department of Biomedical Sciences, Carlson College of Veterinary Medicine, Oregon State University, Corvallis, OR, United States
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Kowsar R, Sadeghi K, Hashemzadeh F, Miyamoto A. Ovarian sex steroid and epithelial control of immune responses in the uterus and oviduct: human and animal models†. Biol Reprod 2024; 110:230-245. [PMID: 38038990 PMCID: PMC10873282 DOI: 10.1093/biolre/ioad166] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2023] [Revised: 11/08/2023] [Accepted: 11/30/2023] [Indexed: 12/02/2023] Open
Abstract
The female reproductive tract (FRT), including the uterus and oviduct (Fallopian tube), is responsible for maintaining an optimal microenvironment for reproductive processes, such as gamete activation and transportation, sperm capacitation, fertilization, and early embryonic and fetal development. The mucosal surface of the FRT may be exposed to pathogens and sexually transmitted microorganisms due to the opening of the cervix during mating. Pathogens and endotoxins may also reach the oviduct through the peritoneal fluid. To maintain an optimum reproductive environment while recognizing and killing pathogenic bacterial and viral agents, the oviduct and uterus should be equipped with an efficient and rigorously controlled immune system. Ovarian sex steroids can affect epithelial cells and underlying stromal cells, which have been shown to mediate innate and adaptive immune responses. This, in turn, protects against potential infections while maintaining an optimal milieu for reproductive events, highlighting the homeostatic involvement of ovarian sex steroids and reproductive epithelial cells. This article will discuss how ovarian sex steroids affect the immune reactions elicited by the epithelial cells of the non-pregnant uterus and oviduct in the bovine, murine, and human species. Finally, we propose that there are regional and species-specific differences in the immune responses in FRT.
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Affiliation(s)
- Rasoul Kowsar
- Department of Animal Sciences, College of Agriculture, Isfahan University of Technology, Isfahan, Iran
| | | | - Farzad Hashemzadeh
- Department of Animal Sciences, College of Agriculture, Isfahan University of Technology, Isfahan, Iran
| | - Akio Miyamoto
- Global Agromedicine Research Center, Obihiro University of Agriculture and Veterinary Medicine, Obihiro, Hokkaido, Japan
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Liu L, Zhou L, Wang L, Mao Z, Zheng P, Zhang F, Zhang H, Liu H. MUC1 attenuates neutrophilic airway inflammation in asthma by reducing NLRP3 inflammasome-mediated pyroptosis through the inhibition of the TLR4/MyD88/NF-κB pathway. Respir Res 2023; 24:255. [PMID: 37880668 PMCID: PMC10601133 DOI: 10.1186/s12931-023-02550-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Accepted: 10/02/2023] [Indexed: 10/27/2023] Open
Abstract
BACKGROUND Neutrophilic airway inflammation is a challenge in asthma management and is associated with poor patient prognosis. Mucin 1 (MUC1), which contains a cytoplasmic tail (MUC1-CT), has been found to mediate glucocorticoid sensitivity in asthma; however, its role in modulating neutrophilic airway inflammation in asthma remains unknown. METHODS Human-induced sputum cells were collected from healthy participants (n = 12), patients with mild-to-moderate asthma (n = 34), and those with severe asthma (n = 18). In vitro human lung bronchial 1 epithelial cell line (BEAS-2B) was transfected with small interfering RNA against MUC1 (MUC1-siRNA) and then stimulated by lipopolysaccharide (LPS), where some cells were pretreated with a TLR4 inhibitor (TAK-242). In vivo mouse model of asthmatic neutrophil airway inflammation was induced by ovalbumin (OVA)/LPS. Some groups were intraperitoneally injected with MUC1-CT inhibitor (GO-203) and/or TAK-242 . RESULTS The mRNA expression of MUC1 was downregulated in the induced sputum of patients with asthma and correlated with asthmatic neutrophilic airway inflammation. The mRNA expressions of TLR4, MyD88, nucleotide-binding oligomerization domain-like pyrin domain-containing protein 3 (NLRP3), caspase-1, interleukin (IL)-18, and IL-1β in induced sputum cells of patients with asthma were upregulated and related to the mRNA expression of MUC1. LPS activated the TLR4 pathway and NLRP3-mediated pyroptosis in BEAS-2B cells in vitro, which were significantly aggravated after MUC1-siRNA transfection. Furthermore, MUCl-CT interacted with TLR4, and the interaction between TLR4 and MyD88 was significantly increased after MUCl-siRNA transfection. Moreover, TAK-242 ameliorated TLR4/MyD88/nuclear factor kappa B (NF-κB) pathway activation, NLRP3 inflammasome-mediated pyroptosis, and neutrophilic inflammation exacerbated by MUC1 downregulation. GO-203 exacerbated TLR4/MyD88/NF-κB pathway activation in vivo, and NLRP3 inflammasome-mediated pyroptosis reduced in a mouse model of asthmatic neutrophil airway inflammation induced by OVA/LPS; these pathological changes were partially alleviated after TAK-242 application. CONCLUSION This study revealed that MUC1 downregulation plays an important role in asthmatic neutrophilic airway inflammation. MUC1-CT reduces NLRP3 inflammasome-mediated pyroptosis by inhibiting the activation of the TLR4/MyD88/NF-κB pathway, thereby attenuating neutrophil airway inflammation in patients with asthma.
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Affiliation(s)
- Lu Liu
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Department of Respiratory Medicine, The First People's Hospital of Yunnan Province, Kunming, Yunnan, China
- The Affiliated Hospital of Kunming University of Science and Technology, Kunming, Yunnan, China
| | - Ling Zhou
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Lingling Wang
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zhenyu Mao
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Pengdou Zheng
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Fengqin Zhang
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Huojun Zhang
- Department of Respiratory and Critical Care Medicine, Renmin Hospital of Wuhan University, Wuhan, China.
| | - Huiguo Liu
- Department of Respiratory and Critical Care Medicine, Key Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China.
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8
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Rivolta AA, Bujold AR, Wilmarth PA, Phinney BS, Navelski JP, Horohov DW, Sanz MG. Comparison of the broncoalveolar lavage fluid proteomics between foals and adult horses. PLoS One 2023; 18:e0290778. [PMID: 37669266 PMCID: PMC10479908 DOI: 10.1371/journal.pone.0290778] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 08/15/2023] [Indexed: 09/07/2023] Open
Abstract
Neonates have different cellular composition in their bronchoalveolar lavage fluid (BALF) when compared to foals and adult horses; however, little is known about the non-cellular components of BALF. The objective of this study was to determine the proteomic composition of BALF in neonatal horses and to compare it to that of foals and adult horses. Bronchoalveolar lavage fluid samples of seven neonates (< 1 week age), four 5 to 7-week-old foals, and six adult horses were collected. Quantitative proteomics of the fluid was performed using tandem mass tag labeling followed by high resolution liquid chromatography tandem mass spectrometry and protein relative abundances were compared between groups using exact text. A total of 704 proteins were identified with gene ontology terms and were classified. Of these, 332 proteins were related to the immune system in neonates, foals, and adult horses. The most frequent molecular functions identified were binding and catalytic activity and the most common biological processes were cellular process, metabolic process, and biological regulation. There was a significant difference in the proteome of neonates when compared to foals and to adult horses. Neonates had less relative expression (FDR < 0.01) of many immune-related proteins, including immunoglobulins, proteins involved in the complement cascade, ferritin, BPI fold-containing family B member 1, and macrophage receptor MARCO. This is the first report of equine neonate BALF proteomics and reveals differential abundance of proteins when compared to BALF from adult horses. The lower relative abundance of immune-related proteins in neonates could contribute to their susceptibility to pulmonary infections.
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Affiliation(s)
- Alejandra A. Rivolta
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, Washington, United States of America
| | - Adina R. Bujold
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, Washington, United States of America
- Department of Pathobiology, University of Guelph, Guelph, Ontario, Canada
| | - Phillip A. Wilmarth
- Proteomic Shared Resource, Oregon Health & Science University, Portland, Oregon, United States of America
| | - Brett S. Phinney
- Genome Center Proteomics Core Facility, UC Davis, Davis, California, United States of America
| | - Joseph P. Navelski
- School of Economic Sciences, Washington State University, Pullman, Washington, United States of America
| | - David W. Horohov
- Gluck Equine Research Center, University of Kentucky, Lexington, Kentucky, United States of America
| | - Macarena G. Sanz
- Department of Veterinary Clinical Sciences, College of Veterinary Medicine, Washington State University, Pullman, Washington, United States of America
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9
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Tejerina-Miranda S, Blázquez-García M, Serafín V, Montero-Calle A, Garranzo-Asensio M, Reviejo AJ, Pedrero M, Pingarrón JM, Barderas R, Campuzano S. Electrochemical biotool for the dual determination of epithelial mucins associated to prognosis and minimal residual disease in colorectal cancer. Int J Biol Macromol 2023; 248:125996. [PMID: 37499706 DOI: 10.1016/j.ijbiomac.2023.125996] [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: 05/03/2023] [Revised: 07/13/2023] [Accepted: 07/24/2023] [Indexed: 07/29/2023]
Abstract
This work reports a dual immunoplatform for the simultaneous detection of two epithelial glycoproteins of the mucin family, mucin 1 (MUC1) and mucin 16 (MUC16), whose expression is related to adverse prognosis and minimal residual disease (MRD) in colorectal cancer (CRC). The developed immunoplatform involves functionalised magnetic microparticles (MBs), a set of specific antibody pairs (a capture antibody, cAb, and a biotinylated detector antibody b-dAb labelled with a streptavidin-horseradish peroxidase, Strep-HRP, polymer) for each target protein and amperometric detection at dual screen-printed carbon electrodes (SPdCEs) using the hydroquinone (HQ)/horseradish peroxidase (HRP)/H2O2 system. This dual immunoplatform allows, under the optimised experimental conditions, to achieve LOD values of 50 and 1.81 pg mL-1 (or mU mL-1) for MUC1 and MUC16, respectively, and adequate selectivity for the determination of the two targets in the clinic. The developed immunoplatform was employed to analyse CRC cell protein extracts (1.0 μg/determination) with different metastatic potential providing results in agreement with those obtained by blotting technologies but using affordable and applicable point-of-care instruments. This new biotool also emerges competitive in state-of-the-art electrochemical immunoplatforms seeking a compromise among simplicity, reduction of test time and analytical characteristics.
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Affiliation(s)
- Sandra Tejerina-Miranda
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Pza. de las Ciencias 2, 28040 Madrid, Spain
| | - Marina Blázquez-García
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Pza. de las Ciencias 2, 28040 Madrid, Spain
| | - Verónica Serafín
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Pza. de las Ciencias 2, 28040 Madrid, Spain
| | - Ana Montero-Calle
- Chronic Disease Programme, UFIEC, Institute of Health Carlos III, Majadahonda, 28220 Madrid, Spain
| | - Maria Garranzo-Asensio
- Chronic Disease Programme, UFIEC, Institute of Health Carlos III, Majadahonda, 28220 Madrid, Spain
| | - A Julio Reviejo
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Pza. de las Ciencias 2, 28040 Madrid, Spain
| | - María Pedrero
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Pza. de las Ciencias 2, 28040 Madrid, Spain
| | - José M Pingarrón
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Pza. de las Ciencias 2, 28040 Madrid, Spain
| | - Rodrigo Barderas
- Chronic Disease Programme, UFIEC, Institute of Health Carlos III, Majadahonda, 28220 Madrid, Spain.
| | - Susana Campuzano
- Departamento de Química Analítica, Facultad de CC. Químicas, Universidad Complutense de Madrid, Pza. de las Ciencias 2, 28040 Madrid, Spain.
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10
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Huang H, Wang W. Molecular mechanisms of glucocorticoid resistance. Eur J Clin Invest 2023; 53:e13901. [PMID: 36346177 DOI: 10.1111/eci.13901] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 09/29/2022] [Accepted: 10/04/2022] [Indexed: 11/10/2022]
Abstract
BACKGROUND As a powerful anti-inflammatory, immunosuppressive, and antiproliferative drug, glucocorticoid (GC) plays an important role in the treatment of various diseases. However, some patients may experience glucocorticoid resistance (GCR) in clinical, and its molecular mechanism have not been determined. METHODS The authors performed a review of the literature on GCR focusing on mutations in the NR3C1 gene and impaired glucocorticoid receptor (GR) signalling, using METSTR (2000 through May 2022) to identify original articles and reviews on this topic. The search terms included 'glucocorticoid resistance/insensitive', 'steroid resistance/insensitive', 'NR3C1', and 'glucocorticoid receptor'. RESULTS Primary GCR is mainly caused by NR3C1 gene mutation, and 31 NR3C1 gene mutations have been reported so far. Secondary GCR is caused by impaired GC signalling pathways, including decreased expression of GR, impaired nuclear translocation of GR, and impaired binding of GR to GC and GR to target genes. However, the current research is more on the expression level of GR, and there are relatively few studies on other mechanisms. In addition, methods for improving GC sensitivity are rarely reported. CONCLUSION The molecular mechanisms of GCR are complex and may differ in different diseases or different patients. In future studies, when exploring the mechanism of GCR, methods to improve GC sensitivity should also be investigated.
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Affiliation(s)
- Huanming Huang
- The Fourth Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang, China
| | - Wenqing Wang
- The Fourth Hospital of Hebei Medical University, Hebei Medical University, Shijiazhuang, China
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11
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Hanif T, Ivaska LE, Ahmad F, Tan G, Mikola E, Puhakka T, Palomares O, Akdis CA, Toppila-Salmi S, Jartti T. Tonsillar transcriptional profiles in atopic and non-atopic subjects. Allergy 2023; 78:522-536. [PMID: 35899482 PMCID: PMC10087516 DOI: 10.1111/all.15458] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Revised: 06/29/2022] [Accepted: 07/09/2022] [Indexed: 02/01/2023]
Abstract
BACKGROUND Emerging research suggests that local lymphatic tissue such as tonsils have important role in regulating the immune responses. However, allergen sensitization-induced alterations in transcriptome of tonsils are not known. OBJECTIVES To examine the key differences in tonsillar gene expression between atopic and non-atopic subjects and further by type of sensitization. METHODS RNA-sequencing was performed on 52 tonsillar samples from atopic and non-atopic tonsillectomy patients. Sensitization to common food- and aero-allergen was defined by allergen specific IgE. Following groups were studied: (1) aero- and food-allergen sensitized (AS+FS) versus non-sensitized (NS), (2) aeroallergen-sensitized (AS) versus food-allergen sensitized (FS), (3) AS versus NS, (4) FS versus NS. Bioinformatics analysis was done using DESeq2(v3.10.2), WGCNA and GATK pipeline in R software (v3.3.1). Protein-protein interaction network was made from String database. RESULTS We studied 13 aeroallergen-sensitized, 6 food-allergen sensitized, 4 both food-and aero-allergen-sensitized and 29 non-sensitized tonsillectomy patients. Overall, 697 unique differentially expressed genes (DEGs) were detected in all sensitized subgroups including chemokines (CXCL2, CXCL8, CXCL10, CXCL11), IL-20RA, MUC1 and MUC20. When comparing different groups, the gene expression profiles overlapped except the AS versus FS group comparison, suggesting significantly different gene expression between the two sensitization subgroups. Furthermore, aeroallergen-sensitized subjects had more prominent immune responses compared with non-sensitized and food-allergen sensitized subjects including gene expression for IL-17 pathway and Toll-like receptor signalling pathway. CONCLUSION Allergic sensitization is associated with extensive tonsillar transcriptomic alterations and changes in immune related genes and pathways. Distinct differences were found between aero-allergen and food-allergen sensitization.
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Affiliation(s)
- Tanzeela Hanif
- Department of Pediatrics and Adolescent Medicine, University of Turku, Turku, Finland.,Haartman Institute, University of Helsinki, Helsinki, Finland
| | - Lotta E Ivaska
- Department of Otorhinolaryngology - Head and Neck Surgery, Turku University Hospital and University of Turku, Turku, Finland
| | - Freed Ahmad
- Department of Biology University of Turku, Turku, Finland
| | - Ge Tan
- Functional Genomics Center Zurich, ETH Zürich/University of Zürich, Zurich, Switzerland.,Swiss Institute of Allergy and Asthma Research, University of Zürich, Davos, Switzerland.,Christine Kuhne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland
| | - Emilia Mikola
- Department of Otorhinolaryngology, Satakunta Central Hospital, Pori, Finland
| | - Tuomo Puhakka
- Department of Otorhinolaryngology - Head and Neck Surgery, Turku University Hospital and University of Turku, Turku, Finland
| | - Oscar Palomares
- Swiss Institute of Allergy and Asthma Research, University of Zürich, Davos, Switzerland.,Christine Kuhne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland.,Department of Biochemistry and Molecular Biology, School of Chemistry, Complutense University of Madrid, Madrid, Spain
| | - Cezmi A Akdis
- Swiss Institute of Allergy and Asthma Research, University of Zürich, Davos, Switzerland.,Christine Kuhne-Center for Allergy Research and Education (CK-CARE), Davos, Switzerland
| | - Sanna Toppila-Salmi
- Haartman Institute, University of Helsinki & Skin and Allergy Hospital, Helsinki University Hospital, Helsinki, Finland
| | - Tuomas Jartti
- Department of Pediatrics and Adolescent Medicine, University of Turku, Turku, Finland.,PEDEGO Research Unit, Medical Research Center, University of Oulu, Oulu, Finland.,Department of Children and Adolescents, Oulu University Hospital, Oulu, Finland
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12
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Akhmerova YN, Shpakova TA, Grammatikati KS, Mitrofanov SI, Kazakova PG, Mkrtchian AA, Zemsky PU, Pilipenko MN, Feliz NV, Frolova LV, Frolovskaya AA, Yudin VS, Keskinov AA, Kraevoy SA, Yudin SM, Skvortsova VI. Genetic Variants Associated with Bronchial Asthma Specific to the Population of the Russian Federation. Acta Naturae 2023; 15:31-41. [PMID: 37153512 PMCID: PMC10154776 DOI: 10.32607/actanaturae.11853] [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: 11/07/2022] [Accepted: 01/09/2023] [Indexed: 05/09/2023] Open
Abstract
Bronchial asthma (BA) is a disease that still lacks an exhaustive treatment protocol. In this regard, the global medical community pays special attention to the genetic prerequisites for the occurrence of this disease. Therefore, the search for the genetic polymorphisms underlying bronchial asthma has expanded considerably. As the present study progressed, a significant amount of scientific medical literature was analyzed and 167 genes reported to be associated with the development of bronchial asthma were identified. A group of participants (n = 7,303) who had voluntarily provided their biomaterial (venous blood) to be used in the research conducted by the Federal Medical Biological Agency of Russia was formed to subsequently perform a bioinformatic verification of known associations and search for new ones. This group of participants was divided into four cohorts, including two sex-distinct cohorts of individuals with a history of asthma and two sex-distinct cohorts of apparently healthy individuals. A search for polymorphisms was made in each cohort among the selected genes, and genetic variants were identified whose difference in occurrence in the different cohorts was statistically significant (significance level less than 0.0001). The study revealed 11 polymorphisms that affect the development of asthma: four genetic variants (rs869106717, rs1461555098, rs189649077, and rs1199362453), which are more common in men with bronchial asthma compared to apparently healthy men; five genetic variants (rs1923038536, rs181066119, rs143247175, rs140597386, and rs762042586), which are more common in women with bronchial asthma compared to apparently healthy women; and two genetic variants (rs1219244986 and rs2291651) that are rare in women with a history of asthma.
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Affiliation(s)
- Y. N. Akhmerova
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - T. A. Shpakova
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - K. S. Grammatikati
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - S. I. Mitrofanov
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - P. G. Kazakova
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - A. A. Mkrtchian
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - P. U. Zemsky
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - M. N. Pilipenko
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - N. V. Feliz
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - L. V. Frolova
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - A. A. Frolovskaya
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - V. S. Yudin
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - A. A. Keskinov
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - S. A. Kraevoy
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - S. M. Yudin
- Federal State Budgetary Institution “Center for Strategic Planning and Management of Biomedical Health Risks” of the Federal Medical Biological Agency (Center for Strategic Planning of FMBA of Russia), Moscow, 119121 Russian Federation
| | - V. I. Skvortsova
- Federal Medical Biological Agency (FMBA of Russia), Moscow, 123182 Russian Federation
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13
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Crossen AJ, Ward RA, Reedy JL, Surve MV, Klein BS, Rajagopal J, Vyas JM. Human Airway Epithelium Responses to Invasive Fungal Infections: A Critical Partner in Innate Immunity. J Fungi (Basel) 2022; 9:40. [PMID: 36675861 PMCID: PMC9862202 DOI: 10.3390/jof9010040] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/09/2022] [Accepted: 12/26/2022] [Indexed: 12/29/2022] Open
Abstract
The lung epithelial lining serves as the primary barrier to inhaled environmental toxins, allergens, and invading pathogens. Pulmonary fungal infections are devastating and carry high mortality rates, particularly in those with compromised immune systems. While opportunistic fungi infect primarily immunocompromised individuals, endemic fungi cause disease in immune competent and compromised individuals. Unfortunately, in the case of inhaled fungal pathogens, the airway epithelial host response is vastly understudied. Furthering our lack of understanding, very few studies utilize primary human models displaying pseudostratified layers of various epithelial cell types at air-liquid interface. In this review, we focus on the diversity of the human airway epithelium and discuss the advantages and disadvantages of oncological cell lines, immortalized epithelial cells, and primary epithelial cell models. Additionally, the responses by human respiratory epithelial cells to invading fungal pathogens will be explored. Future investigations leveraging current human in vitro model systems will enable identification of the critical pathways that will inform the development of novel vaccines and therapeutics for pulmonary fungal infections.
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Affiliation(s)
- Arianne J. Crossen
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Rebecca A. Ward
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Jennifer L. Reedy
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA 02114, USA
- Department of Medicine, Harvard Medical School, Boston, MA 02115, USA
| | - Manalee V. Surve
- Department of Medicine, Harvard Medical School, Boston, MA 02115, USA
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Bruce S. Klein
- Department of Pediatrics, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53706, USA
- Department of Medicine, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53706, USA
- Department of Medical Microbiology and Immunology, School of Medicine and Public Health, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Jayaraj Rajagopal
- Center for Regenerative Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
- Harvard Stem Cell Institute, Cambridge, MA 02138, USA
- Klarman Cell Observatory, Broad Institute of Massachusetts Institute of Technology and Harvard, Cambridge, MA 02142, USA
| | - Jatin M. Vyas
- Division of Infectious Diseases, Massachusetts General Hospital, Boston, MA 02114, USA
- Department of Medicine, Harvard Medical School, Boston, MA 02115, USA
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14
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Kamali H, Golmohammadzadeh S, Zare H, Nosrati R, Fereidouni M, Safarpour H. The recent advancements in the early detection of cancer biomarkers by DNAzyme-assisted aptasensors. J Nanobiotechnology 2022; 20:438. [PMID: 36195928 PMCID: PMC9531510 DOI: 10.1186/s12951-022-01640-1] [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: 02/12/2022] [Accepted: 09/20/2022] [Indexed: 11/10/2022] Open
Abstract
Clinical diagnostics rely heavily on the detection and quantification of cancer biomarkers. The rapid detection of cancer-specific biomarkers is of great importance in the early diagnosis of cancers and plays a crucial role in the subsequent treatments. There are several different detection techniques available today for detecting cancer biomarkers. Because of target-related conformational alterations, high stability, and target variety, aptamers have received considerable interest as a biosensing system component. To date, several sensitivity-enhancement strategies have been used with a broad spectrum of nanomaterials and nanoparticles (NPs) to improve the limit and sensitivity of analyte detection in the construction of innovative aptasensors. The present article aims to outline the research developments on the potential of DNAzymes-based aptasensors for cancer biomarker detection.
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Affiliation(s)
- Hossein Kamali
- Targeted Drug Delivery Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Shiva Golmohammadzadeh
- Nanotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmaceutics, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Hamed Zare
- Recombinant Proteins Department, Breast Cancer Research Center, Motamed Cancer Institute, ACECR, Tehran, Iran
| | - Rahim Nosrati
- Cellular and Molecular Research Center, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Mohammad Fereidouni
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran
| | - Hossein Safarpour
- Cellular and Molecular Research Center, Birjand University of Medical Sciences, Birjand, Iran.
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15
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Zou Y, Zhang X, Liang J, Peng L, Qin J, Zhou F, Liu T, Dai L. Mucin 1 aggravates synovitis and joint damage of rheumatoid arthritis by regulating inflammation and aggression of fibroblast-like synoviocytes. Bone Joint Res 2022; 11:639-651. [PMID: 36048147 PMCID: PMC9533250 DOI: 10.1302/2046-3758.119.bjr-2021-0398.r2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Aims To explore the synovial expression of mucin 1 (MUC1) and its role in rheumatoid arthritis (RA), as well as the possible downstream mechanisms. Methods Patients with qualified synovium samples were recruited from a RA cohort. Synovium from patients diagnosed as non-inflammatory orthopaedic arthropathies was obtained as control. The expression and localization of MUC1 in synovium and fibroblast-like synoviocytes were assessed by immunohistochemistry and immunofluorescence. Small interfering RNA and MUC1 inhibitor GO-203 were adopted for inhibition of MUC1. Lysophosphatidic acid (LPA) was used as an activator of Rho-associated pathway. Expression of inflammatory cytokines, cell migration, and invasion were evaluated using quantitative real-time polymerase chain reaction (PCR) and Transwell chamber assay. Results A total of 63 RA patients and ten controls were included. Expression of MUC1 was observed in both the synovial lining and sublining layer. The percentage of MUC1+ cells in the lining layer of synovium was significantly higher in RA than that in control, and positively correlated to joint destruction scores of RA. Meanwhile, MUC1+ cells in the sublining layer were positively correlated to the Krenn subscore of inflammatory infiltration. Knockdown of MUC1, rather than GO-203 treatment, ameliorated the expression of proinflammatory cytokines, cell migration, and invasion of rheumatoid synoviocytes. Knockdown of MUC1 decreased expression of RhoA, Cdc42, and Rac1. Treatment with LPA compromised the inhibition of migration and invasion, but not inflammation, of synoviocytes by MUC1 knockdown. Conclusion Upregulated MUC1 promotes the aggression of rheumatoid synoviocytes via Rho guanosine triphosphatases (GTPases), thereby facilitating synovitis and joint destruction during the pathological process of RA. Cite this article: Bone Joint Res 2022;11(9):639–651.
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Affiliation(s)
- Yaoyao Zou
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Guangzhou, China
| | - Xuepei Zhang
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Guangzhou, China
| | - Jinjian Liang
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Guangzhou, China
| | - Liqin Peng
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Guangzhou, China
| | - Jiale Qin
- Zhong Shan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Feng Zhou
- Zhong Shan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Ting Liu
- Zhong Shan School of Medicine, Sun Yat-Sen University, Guangzhou, China
| | - Lie Dai
- Department of Rheumatology, Sun Yat-Sen Memorial Hospital, Guangzhou, China
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16
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Mucin 1 Inhibits Ferroptosis and Sensitizes Vitamin E to Alleviate Sepsis-Induced Acute Lung Injury through GSK3 β/Keap1-Nrf2-GPX4 Pathway. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2022; 2022:2405943. [PMID: 35910848 PMCID: PMC9334047 DOI: 10.1155/2022/2405943] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/20/2022] [Accepted: 06/23/2022] [Indexed: 12/14/2022]
Abstract
Background Ferroptosis is a nonapoptotic form of programmed cell death, which may be related to the occurrence and development of sepsis-induced acute respiratory distress syndrome (ARDS)/acute lung injury (ALI). Mucin 1 (MUC1) is a kind of macromolecule transmembrane glycoprotein. Previous studies have shown that MUC1 could relieve ALI in sepsis and predict whether sepsis patients would develop into ARDS. However, the role of MUC1 in the ferroptosis of sepsis-induced ALI/ARDS remains unclear. Materials and Methods Sera samples from 50 patients with sepsis/septic shock were used to detect iron metabolism-related markers. Western blot and qRT-PCR were conducted to detect the expression levels of ferroptosis-related genes. Enzyme-linked immunosorbent assay (ELISA) was performed to evaluate inflammatory factors. Transmission electron microscopy (TEM) was used to assess morphological changes of cells. Results The results showed that the iron metabolism-related indicators in sepsis-induced ARDS patients changed significantly, suggesting the iron metabolism disorder. The expression levels of ferroptosis-related genes in lung tissues of sepsis had marked changes, and the lipid peroxidation levels increased, while Ferrostatin-1 (Fer-1) could reverse the above results, which confirmed the occurrence of ferroptosis. In terms of mechanism studies, inhibition of MUC1 dimerization could increase the expression level of Keap1, reduce the phosphorylation level of GSK3β, inhibit the entry of Nrf2 into the nucleus, further inhibit the expression level of GPX4, enhance the lipid peroxidation level of lung tissues, trigger ferroptosis, and aggravate lung injury. Besides, inhibiting MUC1 reversed the alleviating effect of vitamin E on ALI caused by sepsis, increased the aggregation of inflammatory cells in lung tissues, and aggravated alveolar injury and edema. Conclusions Our study was the first to explore the changes of iron metabolism indicators in ALI/ARDS of sepsis, clarify the important role of ferroptosis in ALI/ARDS induced by sepsis, and reveal the effects and specific mechanisms of MUC1 in regulating ferroptosis, as well as the sensitization on vitamin E.
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17
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Membrane-Tethered Mucin 1 Is Stimulated by Interferon and Virus Infection in Multiple Cell Types and Inhibits Influenza A Virus Infection in Human Airway Epithelium. mBio 2022; 13:e0105522. [PMID: 35699372 PMCID: PMC9426523 DOI: 10.1128/mbio.01055-22] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
Influenza A virus (IAV) causes significant morbidity and mortality in the human population. Tethered mucin 1 (MUC1) is highly expressed in airway epithelium, the primary site of IAV replication, and also by other cell types that influence IAV infection, including macrophages. MUC1 has the potential to influence infection dynamics through physical interactions and/or signaling activity, yet MUC1 modulation and its impact during viral pathogenesis remain unclear. Thus, we investigated MUC1-IAV interactions in an in vitro model of human airway epithelium (HAE). Our data indicate that a recombinant IAV hemagglutinin (H3) and H3N2 virus can bind endogenous HAE MUC1. Notably, infection of HAE with H1N1 or H3N2 IAV strains does not trigger MUC1 shedding but instead stimulates an increase in cell-associated MUC1 protein. We observed a similar increase after type I or III interferon (IFN) stimulation; however, inhibition of IFN signaling during H1N1 infection only partially abrogated this increase, indicating that multiple soluble factors contribute to MUC1 upregulation during the antiviral response. In addition to HAE, primary human monocyte-derived macrophages also upregulated MUC1 protein in response to IFN treatment and conditioned media from IAV-infected HAE. Then, to determine the impact of MUC1 on IAV pathogenesis, we developed HAE genetically depleted of MUC1 and found that MUC1 knockout cultures exhibited enhanced viral growth compared to control cultures for several IAV strains. Together, our data support a model whereby MUC1 inhibits productive uptake of IAV in HAE. Infection then stimulates MUC1 expression on multiple cell types through IFN-dependent and -independent mechanisms that further impact infection dynamics.
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18
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Livzan MA, Bicbavova GR, Romanyuk AE. Ulcerative colitis: focus on colonic mucosal resistance. BULLETIN OF SIBERIAN MEDICINE 2022; 21:121-132. [DOI: 10.20538/1682-0363-2022-1-121-132] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/17/2024]
Abstract
In recent decades, following cooperation between scientists in various specialties, new unique data on the pathogenesis of ulcerative colitis have been obtained. The role of an impaired immune response to antigens of gut microbiota in genetically predisposed individuals under the effect of certain environmental factors was proven. Assessing the interaction between the colonic mucosa and gut microbiota will help to understand the mechanisms of ulcerative colitis and develop new treatment strategies for the disease.This review presents modern views on the pathogenesis of ulcerative colitis with a focus on the imbalance between local protective and aggressive factors of the gastric and intestinal mucosa. The structure and role of the epithelial barrier both under normal conditions and in ulcerative colitis are considered in detail.The aim of this review was to summarize the data on resistance of the colonic mucosa and its damage in ulcerative colitis.
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19
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Lillehoj EP, Luzina IG, Atamas SP. Mammalian Neuraminidases in Immune-Mediated Diseases: Mucins and Beyond. Front Immunol 2022; 13:883079. [PMID: 35479093 PMCID: PMC9035539 DOI: 10.3389/fimmu.2022.883079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 03/21/2022] [Indexed: 12/28/2022] Open
Abstract
Mammalian neuraminidases (NEUs), also known as sialidases, are enzymes that cleave off the terminal neuraminic, or sialic, acid resides from the carbohydrate moieties of glycolipids and glycoproteins. A rapidly growing body of literature indicates that in addition to their metabolic functions, NEUs also regulate the activity of their glycoprotein targets. The simple post-translational modification of NEU protein targets-removal of the highly electronegative sialic acid-affects protein folding, alters protein interactions with their ligands, and exposes or covers proteolytic sites. Through such effects, NEUs regulate the downstream processes in which their glycoprotein targets participate. A major target of desialylation by NEUs are mucins (MUCs), and such post-translational modification contributes to regulation of disease processes. In this review, we focus on the regulatory roles of NEU-modified MUCs as coordinators of disease pathogenesis in fibrotic, inflammatory, infectious, and autoimmune diseases. Special attention is placed on the most abundant and best studied NEU1, and its recently discovered important target, mucin-1 (MUC1). The role of the NEU1 - MUC1 axis in disease pathogenesis is discussed, along with regulatory contributions from other MUCs and other pathophysiologically important NEU targets.
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Affiliation(s)
- Erik P. Lillehoj
- Department of Pediatrics, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Irina G. Luzina
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, United States
- Research Service, Baltimore Veterans Affairs (VA) Medical Center, Baltimore, MD, United States
| | - Sergei P. Atamas
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, United States
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20
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Bose M, Grover P, Sanders AJ, Zhou R, Ahmad M, Shwartz S, Lala P, Nath S, Yazdanifar M, Brouwer C, Mukherjee P. Overexpression of MUC1 Induces Non-Canonical TGF-β Signaling in Pancreatic Ductal Adenocarcinoma. Front Cell Dev Biol 2022; 10:821875. [PMID: 35237602 PMCID: PMC8883581 DOI: 10.3389/fcell.2022.821875] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 01/05/2022] [Indexed: 11/13/2022] Open
Abstract
Pancreatic ductal adenocarcinoma (PDA) is one of the most lethal human cancers. Transforming Growth Factor Beta (TGF-β) is a cytokine that switches from a tumor-suppressor at early stages to a tumor promoter in the late stages of tumor development, by yet unknown mechanisms. Tumor associated MUC1 is aberrantly glycosylated and overexpressed in >80% of PDAs and is associated with poor prognosis. MUC1 expression is found in the early stages of PDA development with subsequent increase in later stages. Analysis of human PDA samples from TCGA database showed significant differences in gene expression and survival profiles between low and high MUC1 samples. Further, high MUC1 expression was found to positively correlate to TGF-βRII expression and negatively correlate to TGF-βRI expression in PDA cell lines. We hypothesized that MUC1 overexpression induces TGF-β mediated non-canonical signaling pathways which is known to be associated with poor prognosis. In this study, we report that MUC1 overexpression in PDA cells directly activates the JNK pathway in response to TGF-β, and leads to increased cell viability via up-regulation and stabilization of c-Myc. Conversely, in low MUC1 expressing PDA cells, TGF-β preserves its tumor-suppressive function and inhibits phosphorylation of JNK and stabilization of c-Myc. Knockdown of MUC1 in PDA cells also results in decreased phosphorylation of JNK and c-Myc in response to TGF-β treatment. Taken together, the results indicate that overexpression of MUC1 plays a significant role in switching the TGF-β function from a tumor-suppressor to a tumor promoter by directly activating JNK. Lastly, we report that high-MUC1 PDA tumors respond to TGF-β neutralizing antibody in vivo showing significantly reduced tumor growth while low-MUC1 tumors do not respond to TGF-β neutralizing antibody further confirming our hypothesis.
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Affiliation(s)
- Mukulika Bose
- Department of Biological Sciences, UNC Charlotte, Charlotte, NC, United States
| | - Priyanka Grover
- Department of Biological Sciences, UNC Charlotte, Charlotte, NC, United States
| | - Alexa J. Sanders
- Department of Bioinformatics, UNC Charlotte, Charlotte, NC, United States
| | - Ru Zhou
- Department of Biological Sciences, UNC Charlotte, Charlotte, NC, United States
| | - Mohammad Ahmad
- Department of Biological Sciences, UNC Charlotte, Charlotte, NC, United States
| | - Sophia Shwartz
- Department of Biological Sciences, UNC Charlotte, Charlotte, NC, United States
| | - Priyanka Lala
- Department of Biological Sciences, UNC Charlotte, Charlotte, NC, United States
| | - Sritama Nath
- Department of Biological Sciences, UNC Charlotte, Charlotte, NC, United States
| | | | - Cory Brouwer
- Department of Bioinformatics, UNC Charlotte, Charlotte, NC, United States
| | - Pinku Mukherjee
- Department of Biological Sciences, UNC Charlotte, Charlotte, NC, United States
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21
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Naderi N, Rahimzadeh M. Krebs von den Lungen-6 (KL-6) as a clinical marker for severe COVID-19: A systematic review and meta-analyses. Virology 2022; 566:106-113. [PMID: 34896901 PMCID: PMC8642780 DOI: 10.1016/j.virol.2021.11.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2021] [Revised: 11/15/2021] [Accepted: 11/17/2021] [Indexed: 01/04/2023]
Abstract
BACKGROUND Krebs von den Lungen-6 (KL-6) is a molecule that is predominantly expressed by damaged alveolar type II cells, and has been proposed as a marker of COVID-19 and the severity of the disease. Here, we performed a meta-analysis to determine whether KL-6 could be used as a prognostic factor for severe COVID-19. METHODS PubMed, Cochrane and Google Scholar were searched until April 20, 2021, and 7 studies were included. KL-6 was considered as the outcome and pooled in meta-analyses. RESULTS All included studies compared KL-6 in severe and non-severe patients. Serum KL-6 was higher in severe COVID-19 patients compared to non-severe (n = 6; SMD = 1.25; 95% CI: 0.99-1.5; P < 0.001) and healthy controls (n = 4; SMD = 3.07; 95% CI: 1.36-4.8; P < 0.001). CONCLUSION This data collection revealed the potential clinical significance of KL-6 as a non-expensive predictive biomarker in severe COVID-19 and for the categorization of COVID-19 clinical severity.
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Affiliation(s)
- Nadereh Naderi
- Infectious and Tropical Diseases Research Center, Hormozgan Health Institute, Hormozgan University of Medical Sciences, Bandar Abbas, Iran,Department of Immunology, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Mahsa Rahimzadeh
- Infectious and Tropical Diseases Research Center, Hormozgan Health Institute, Hormozgan University of Medical Sciences, Bandar Abbas, Iran,Department of Biochemistry, Faculty of Medicine, Hormozgan University of Medical Sciences, Bandar Abbas, Iran,Corresponding author. Hormozgan University of Medical Sciences, EmamHossein Boulevard, Bandar Abbas, P.O. Box: 7919693116, Iran
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22
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Smet A, Breugelmans T, Michiels J, Lamote K, Arras W, De Man JG, Heyndrickx L, Hauner A, Huizing M, Malhotra-Kumar S, Lammens M, Hotterbeekx A, Kumar-Singh S, Verstraeten A, Loeys B, Verhoeven V, Jacobs R, Dams K, Coenen S, Ariën KK, Jorens PG, De Winter BY. A dynamic mucin mRNA signature associates with COVID-19 disease presentation and severity. JCI Insight 2021; 6:e151777. [PMID: 34448730 PMCID: PMC8525642 DOI: 10.1172/jci.insight.151777] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2021] [Accepted: 08/25/2021] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND SARS-CoV-2 infection induces mucin overexpression, further promoting disease. Given that mucins are critical components of innate immunity, unraveling their expression profiles that dictate the course of disease could greatly enhance our understanding and management of COVID-19. METHODS Using validated RT-PCR assays, we assessed mucin mRNA expression in the blood of patients with symptomatic COVID-19 compared with symptomatic patients without COVID-19 and healthy controls and correlated the data with clinical outcome parameters. Additionally, we analyzed mucin expression in mucus and lung tissue from patients with COVID-19 and investigated the effect of drugs for COVID-19 treatment on SARS-CoV-2–induced mucin expression in pulmonary epithelial cells. RESULTS We identified a dynamic blood mucin mRNA signature that clearly distinguished patients with symptomatic COVID-19 from patients without COVID-19 based on expression of MUC1, MUC2, MUC4, MUC6, MUC13, MUC16, and MUC20 (AUCROC of 91.8%; sensitivity and specificity of 90.6% and 93.3%, respectively) and that discriminated between mild and critical COVID-19 based on the expression of MUC16, MUC20, and MUC21 (AUCROC of 89.1%; sensitivity and specificity of 90.0% and 85.7%, respectively). Differences in the transcriptional landscape of mucins in critical cases compared with mild cases identified associations with COVID-19 symptoms, respiratory support, organ failure, secondary infections, and mortality. Furthermore, we identified different mucins in the mucus and lung tissue of critically ill COVID-19 patients and showed the ability of baricitinib, tocilizumab, favipiravir, and remdesivir to suppress expression of SARS-CoV-2–induced mucins. CONCLUSION This multifaceted blood mucin mRNA signature showed the potential role of mucin profiling in diagnosing, estimating severity, and guiding treatment options in patients with COVID-19. FUNDING The Antwerp University Research and the Research Foundation Flanders COVID-19 funds.
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Affiliation(s)
- Annemieke Smet
- Laboratory of Experimental Medicine and Pediatrics, Faculty of Medicine and Health Sciences, and.,Infla-med, Centre of Excellence, University of Antwerp, Antwerp, Belgium
| | - Tom Breugelmans
- Laboratory of Experimental Medicine and Pediatrics, Faculty of Medicine and Health Sciences, and.,Infla-med, Centre of Excellence, University of Antwerp, Antwerp, Belgium
| | - Johan Michiels
- Virology Unit, Institute of Tropical Medicine Antwerp, Antwerp, Belgium
| | - Kevin Lamote
- Laboratory of Experimental Medicine and Pediatrics, Faculty of Medicine and Health Sciences, and.,Infla-med, Centre of Excellence, University of Antwerp, Antwerp, Belgium.,Internal Medicine and Pediatrics, Ghent University, Ghent, Belgium
| | - Wout Arras
- Laboratory of Experimental Medicine and Pediatrics, Faculty of Medicine and Health Sciences, and.,Infla-med, Centre of Excellence, University of Antwerp, Antwerp, Belgium
| | - Joris G De Man
- Laboratory of Experimental Medicine and Pediatrics, Faculty of Medicine and Health Sciences, and.,Infla-med, Centre of Excellence, University of Antwerp, Antwerp, Belgium
| | - Leo Heyndrickx
- Virology Unit, Institute of Tropical Medicine Antwerp, Antwerp, Belgium
| | - Anne Hauner
- Virology Unit, Institute of Tropical Medicine Antwerp, Antwerp, Belgium
| | - Manon Huizing
- Biobank Antwerpen, Antwerp University Hospital, Edegem, Belgium
| | - Surbhi Malhotra-Kumar
- Laboratory of Medical Microbiology, Vaccine and Infectious Disease Institute, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Martin Lammens
- Department of Histopathology, Antwerp University Hospital, Edegem, Belgium
| | - An Hotterbeekx
- Laboratory of Cell Biology and Histology, Molecular Pathology Group, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Samir Kumar-Singh
- Laboratory of Cell Biology and Histology, Molecular Pathology Group, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Aline Verstraeten
- Center of Medical Genetics, University of Antwerp and Antwerp University Hospital, Antwerp, Belgium
| | - Bart Loeys
- Center of Medical Genetics, University of Antwerp and Antwerp University Hospital, Antwerp, Belgium
| | - Veronique Verhoeven
- Department of Family Medicine and Population Health, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Rita Jacobs
- Laboratory of Experimental Medicine and Pediatrics, Faculty of Medicine and Health Sciences, and.,Infla-med, Centre of Excellence, University of Antwerp, Antwerp, Belgium.,Critical Care Medicine, Antwerp University Hospital, Edegem, Belgium
| | - Karolien Dams
- Laboratory of Experimental Medicine and Pediatrics, Faculty of Medicine and Health Sciences, and.,Infla-med, Centre of Excellence, University of Antwerp, Antwerp, Belgium.,Critical Care Medicine, Antwerp University Hospital, Edegem, Belgium
| | - Samuel Coenen
- Department of Family Medicine and Population Health, Faculty of Medicine and Health Sciences, University of Antwerp, Antwerp, Belgium
| | - Kevin K Ariën
- Virology Unit, Institute of Tropical Medicine Antwerp, Antwerp, Belgium.,Department of Biomedical Sciences, University of Antwerp, Antwerp, Belgium
| | - Philippe G Jorens
- Laboratory of Experimental Medicine and Pediatrics, Faculty of Medicine and Health Sciences, and.,Infla-med, Centre of Excellence, University of Antwerp, Antwerp, Belgium.,Critical Care Medicine, Antwerp University Hospital, Edegem, Belgium
| | - Benedicte Y De Winter
- Laboratory of Experimental Medicine and Pediatrics, Faculty of Medicine and Health Sciences, and.,Infla-med, Centre of Excellence, University of Antwerp, Antwerp, Belgium.,Division of Gastroenterology and Hepatology, Antwerp University Hospital, Edegem, Belgium
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23
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Protective and Anti-Inflammatory Effects of Protegrin-1 on Citrobacter rodentium Intestinal Infection in Mice. Int J Mol Sci 2021; 22:ijms22179494. [PMID: 34502403 PMCID: PMC8431371 DOI: 10.3390/ijms22179494] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2021] [Accepted: 08/27/2021] [Indexed: 12/11/2022] Open
Abstract
Infectious intestinal colitis, manifesting as intestinal inflammation, diarrhea, and epithelial barrier disruption, affects millions of humans worldwide and, without effective treatment, can result in death. In addition to this, the significant rise in antibiotic-resistant bacteria poses an urgent need for alternative anti-infection therapies for the treatment of intestinal disorders. Antimicrobial peptides (AMPs) are potential therapies that have broad-spectrum antimicrobial activity due to their (1) unique mode of action, (2) broad-spectrum antimicrobial activity, and (3) protective role in GI tract maintenance. Protegrin-1 (PG-1) is an AMP of pig origin that was previously shown to reduce the pathological effects of chemically induced digestive tract inflammation (colitis) and to modulate immune responses and tissue repair. This study aimed to extend these findings by investigating the protective effects of PG-1 on pathogen-induced colitis in an infection study over a 10-day experimental period. The oral administration of PG-1 reduced Citrobacter rodentium intestinal infection in mice as evidenced by reduced histopathologic change in the colon, prevention of body weight loss, milder clinical signs of disease, and more effective clearance of bacterial infection relative to challenged phosphate-buffered saline (PBS)-treated mice. Additionally, PG-1 treatment altered the expression of various inflammatory mediators during infection, which may act to resolve inflammation and re-establish intestinal homeostasis. PG-1 administered in its mature form was more effective relative to the pro-form (ProPG-1). To our knowledge, this is the first study demonstrating the protective effects of PG-1 on infectious colitis.
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24
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Shamloo K, Mistry P, Barbarino A, Ross C, Jhanji V, Sharma A. Differential Effect of Proinflammatory Cytokines on Corneal and Conjunctival Epithelial Cell Mucins and Glycocalyx. Transl Vis Sci Technol 2021; 10:17. [PMID: 34128966 PMCID: PMC8212448 DOI: 10.1167/tvst.10.7.17] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
Purpose Ocular surface mucins and glycocalyx are critical for providing ocular hydration as well lubrication and repelling pathogens or allergens. Elevated levels of tear proinflammatory cytokines in dry eye may have detrimental effect on mucins and glycocalyx. The present study tested the effect of proinflammatory cytokines IL-6, TNF-α, and IFN-γ on membrane-tethered mucins expression, glycocalyx, and viability of ocular surface epithelial cells. Methods Stratified cultures of human corneal and conjunctival epithelial cells were exposed to different concentrations of IL-6, TNF-α, and IFN-γ for 24 hours. The mucins gene and protein expressions were quantified by real-time polymerase chain reaction (PCR) and enzyme-linked immunosorbent assay (ELISA). The glycocalyx was imaged using confocal microscopy after staining with Alexa 488-conjugated wheat germ agglutinin lectin. Apoptotic and necrotic cell death was quantified using flow cytometry. Results IL-6, TNF-α, and IFN-γ treatment resulted in a significant increase in mucins (MUC)1 and MUC4 gene and protein expression in human corneal epithelial cells but caused no significant changes in the levels of these mucins in conjunctival epithelial cells. Further, these cytokines decreased MUC16 expression in both corneal and conjunctival epithelial cells. Moreover, no notable change in glycocalyx or apoptotic cell death in corneal and conjunctival epithelial cells was noted with any of the tested cytokines, but IL-6 and TNF-α exposure increased necrotic cell death in corneal and conjunctival epithelial cells, respectively. Conclusions Our results demonstrate that proinflammatory cytokines have differential effects on human corneal and conjunctival epithelial cell mucins expression, but do not cause any damage to ocular surface epithelial cell glycocalyx.
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Affiliation(s)
- Kiumars Shamloo
- Chapman University School of Pharmacy, Chapman University, Irvine, CA, USA
| | - Priya Mistry
- Chapman University School of Pharmacy, Chapman University, Irvine, CA, USA
| | - Ashley Barbarino
- Chapman University School of Pharmacy, Chapman University, Irvine, CA, USA
| | - Christopher Ross
- Chapman University School of Pharmacy, Chapman University, Irvine, CA, USA
| | - Vishal Jhanji
- Department of Ophthalmology, School of Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, USA
| | - Ajay Sharma
- Chapman University School of Pharmacy, Chapman University, Irvine, CA, USA
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25
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Koleva MS, Dikov DI, Belovezhdov VT, Sarafian V. Eosinophilic metaplasia in transurethral resection of the prostate. INDIAN J PATHOL MICR 2021; 63:423-426. [PMID: 32769332 DOI: 10.4103/ijpm.ijpm_593_19] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background To investigate prostatic eosinophilic metaplasia (EM) in a large series of cases and their relationship with the basic prostate pathology in TURP-material: benign prostatic hyperplasia (BPH), National Institutes of Health category IV prostatitis (also called histologic prostatitis or HP), and prostatic adenocarcinoma (PCa). Aim The relation between EM and basic prostate pathology: BPH, PCa, and HP. Materials and Methods Around 61 consecutive TURP-specimens were reviewed for the presence of EM. The tissue sections were stained routinely with hematoxylin-eosin (HE), hematoxylin-phloxine-saffron (HPS), and periodic acid-Schiff's procedure. Simultaneously BPH, HP, and PCa were evaluated. Results We found EM in 55.7% of TURP-specimens. EM is located more often in the ductal epithelium (58.8%) and is usually focal (73.5%) and in small groups (88.2%) of secretory luminal cells. They are associated with BPH and with a variable degree of HP in all cases. However, there is no association with PCa. Eosinophilic cytoplasmic granules in EM are better visualized with HPS. Zones induced by tissue electrocoagulation which mimic EM, are seen in the periphery of TURP-fragments. Conclusion EM in prostate is presented by the presence of eosinophilic cytoplasmic granules in benign secretory epithelium. The study presents the first attempt to investigate EM in a large series of patients. Our results enrich the available information about the histoepidemiology of prostatic EM. Moreover, EM is more common in a focal lesion, found in small groups of ductal secretory epithelial cells while EM in TURP-specimens is associated with BPH and HP in all the cases.
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Affiliation(s)
- Maria S Koleva
- Department of General and Clinical Pathology, Medical University - Plovdiv, Plovdiv, Bulgaria
| | - Dorian I Dikov
- Department of Pathology, Jossigny Hospital, Jossigny, France; Department of General and Clinical Pathology, Medical University - Plovdiv, Plovdiv, Bulgaria
| | - Veselin T Belovezhdov
- Department of General and Clinical Pathology, Medical University - Plovdiv, Plovdiv, Bulgaria
| | - Victoria Sarafian
- Medical Biology, Medical University - Plovdiv; Technological Center for Emergency Medicine, Plovdiv, Bulgaria
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26
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Ye M, Yu L, She Y, Wang S, Wang M, Zhao Q, Gu C, Bian L, Wen N, Gong J, Li L, Meng Y. Healing effects of a protein scaffold loaded with adipose-derived mesenchymal stem cells on radiation-induced vaginal injury in rats. J Int Med Res 2021; 48:300060520958826. [PMID: 33115306 PMCID: PMC7607296 DOI: 10.1177/0300060520958826] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Objectives Cervical cancer, the most common female cancer after breast cancer, is
typically treated using radiotherapy. However, pelvic radiotherapy can cause
irreversible damage to the vagina, seriously affecting patients’ quality of
life. In this study, protein scaffolds loaded with rat adipose-derived
mesenchymal stem cells (ADSCs) were implanted into irradiated tissue to
assess their healing potential. Methods We established a rat model of radiation-induced vaginal injury. Complexes
(consisting of protein scaffolds loaded with ADSCs) were implanted into
injury sites. Histological analysis were used to assess regeneration of the
vaginal epithelium. RNA sequencing was used to study the therapeutic
mechanism of the complexes. Results The complexes promoted vaginal epithelial cell regeneration, vaginal tissue
repair and improved vaginal stenosis and contracture. Compared with rats
transplanted with ADSCs, rats transplanted with complexes achieved better
therapeutic effects. Conclusions Protein scaffold-ADSC complexes had a beneficial therapeutic effect on
radiation-induced vaginal injury in rats and may serve as the basis of a
novel therapeutic approach for radiation dermatitis.
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Affiliation(s)
- Mingxia Ye
- Medical School of Chinese PLA, Department of Obstetrics and Gynecology The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Ling Yu
- Department of Obstetrics and Gynecology, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yujia She
- Department of Obstetrics and Gynecology, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Shufang Wang
- Blood Transfusion Department, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Min Wang
- Medical School of Chinese PLA, Department of Obstetrics and Gynecology The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Qingdong Zhao
- Medical School of Chinese PLA, Department of Obstetrics and Gynecology The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Chenglei Gu
- The Eighth Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Lihua Bian
- Department of Obstetrics and Gynecology, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Na Wen
- Medical School of Chinese PLA, Department of Obstetrics and Gynecology The First Medical Center, Chinese PLA General Hospital, Beijing, China
| | - Jing Gong
- Anzhen Hospital Affiliated to Capital Medical University, Beijing, China
| | - Lian Li
- Department of Obstetrics and Gynecology, The First Medical Center of Chinese PLA General Hospital, Beijing, China
| | - Yuanguang Meng
- Department of Obstetrics and Gynecology, The First Medical Center of Chinese PLA General Hospital, Beijing, China
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27
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Francis LW, Yao SN, Powell LC, Griffiths S, Berquand A, Piasecki T, Howe W, Gazze AS, Farach-Carson MC, Constantinou P, Carson D, Margarit L, Gonzalez D, Conlan RS. Highly glycosylated MUC1 mediates high affinity L-selectin binding at the human endometrial surface. J Nanobiotechnology 2021; 19:50. [PMID: 33596915 PMCID: PMC7890821 DOI: 10.1186/s12951-021-00793-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/10/2020] [Accepted: 02/04/2021] [Indexed: 12/30/2022] Open
Abstract
Background Sialyl-Lewis X/L-selectin high affinity binding interactions between transmembrane O-glycosylated mucins proteins and the embryo have been implicated in implantation processes within the human reproductive system. However, the adhesive properties of these mucins at the endometrial cell surface are difficult to resolve due to known discrepancies between in vivo models and the human reproductive system and a lack of sensitivity in current in vitro models. To overcome these limitations, an in vitro model of the human endometrial epithelial was interrogated with single molecule force spectroscopy (SMFS) to delineate the molecular configurations of mucin proteins that mediate the high affinity L-selectin binding required for human embryo implantation. Results This study reveals that MUC1 contributes to both the intrinsic and extrinsic adhesive properties of the HEC-1 cellular surface. High expression of MUC1 on the cell surface led to a significantly increased intrinsic adhesion force (148 pN vs. 271 pN, p < 0.001), whereas this adhesion force was significantly reduced (271 pN vs. 118 pN, p < 0.001) following siRNA mediated MUC1 ablation. Whilst high expression of MUC1 displaying elevated glycosylation led to strong extrinsic (> 400 pN) L-selectin binding at the cell surface, low expression of MUC1 with reduced glycosylation resulted in significantly less (≤200 pN) binding events. Conclusions An optimal level of MUC1 together with highly glycosylated decoration of the protein is critical for high affinity L-selectin binding. This study demonstrates that MUC1 contributes to cellular adhesive properties which may function to facilitate trophoblast binding to the endometrial cell surface through the L-selectin/sialyl-Lewis x adhesion system subsequent to implantation.![]()
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Affiliation(s)
- Lewis W Francis
- Swansea University Medical School, Singleton Park, Swansea, SA2 8PP, Wales, UK
| | - Seydou N Yao
- Swansea University Medical School, Singleton Park, Swansea, SA2 8PP, Wales, UK
| | - Lydia C Powell
- Swansea University Medical School, Singleton Park, Swansea, SA2 8PP, Wales, UK
| | - Sean Griffiths
- Swansea University Medical School, Singleton Park, Swansea, SA2 8PP, Wales, UK
| | | | - Thomas Piasecki
- Swansea University Medical School, Singleton Park, Swansea, SA2 8PP, Wales, UK
| | - William Howe
- Swansea University Medical School, Singleton Park, Swansea, SA2 8PP, Wales, UK
| | - Andrea S Gazze
- Swansea University Medical School, Singleton Park, Swansea, SA2 8PP, Wales, UK
| | - Mary C Farach-Carson
- School of Dentistry, The University of Texas Health Science Center, Houston, 77054, Texas, USA
| | - Pamela Constantinou
- Department of Biosciences, Wiess School of Natural Science, Rice University, Houston, Texas, 77251, USA
| | - Daniel Carson
- Department of Biosciences, Wiess School of Natural Science, Rice University, Houston, Texas, 77251, USA
| | - Lavinia Margarit
- Cwm Taf Morgannwg University Health Board, Princess of Wales Hospital, Bridgend, CF31 1RQ, UK
| | - Deya Gonzalez
- Swansea University Medical School, Singleton Park, Swansea, SA2 8PP, Wales, UK
| | - R Steven Conlan
- Swansea University Medical School, Singleton Park, Swansea, SA2 8PP, Wales, UK.
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28
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Ballester B, Milara J, Cortijo J. The role of mucin 1 in respiratory diseases. Eur Respir Rev 2021; 30:30/159/200149. [PMID: 33536260 DOI: 10.1183/16000617.0149-2020] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2020] [Accepted: 09/04/2020] [Indexed: 01/21/2023] Open
Abstract
Recent evidence has demonstrated that mucin 1 (MUC1) is involved in many pathological processes that occur in the lung. MUC1 is a transmembrane protein mainly expressed by epithelial and hematopoietic cells. It has a receptor-like structure, which can sense the external environment and activate intracellular signal transduction pathways through its cytoplasmic domain. The extracellular domain of MUC1 can be released to the external environment, thus acting as a decoy barrier to mucosal pathogens, as well as serving as a serum biomarker for the diagnosis and prognosis of several respiratory diseases such as lung cancer and interstitial lung diseases. Furthermore, bioactivated MUC1-cytoplasmic tail (CT) has been shown to act as an anti-inflammatory molecule in several airway infections and mediates the expression of anti-inflammatory genes in lung diseases such as chronic rhinosinusitis, chronic obstructive pulmonary disease and severe asthma. Bioactivated MUC1-CT has also been reported to interact with several effectors linked to cellular transformation, contributing to the progression of respiratory diseases such as lung cancer and pulmonary fibrosis. In this review, we summarise the current knowledge of MUC1 as a promising biomarker and drug target for lung disease.
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Affiliation(s)
- Beatriz Ballester
- Division of Pulmonary Sciences and Critical Care Medicine, School of Medicine, University of Colorado, Aurora, CO, USA .,CIBERES, Health Institute Carlos III, Valencia, Spain.,Both authors contributed equally to this work
| | - Javier Milara
- CIBERES, Health Institute Carlos III, Valencia, Spain.,Pharmacy Unit, Consorcio Hospital General de Valencia, Valencia, Spain.,Pharmacology Dept, University Jaume I, Castellon, Spain.,Both authors contributed equally to this work
| | - Julio Cortijo
- CIBERES, Health Institute Carlos III, Valencia, Spain.,Research and teaching Unit, Consorcio Hospital General de Valencia, Valencia, Spain.,Dept of Pharmacology, Faculty of Medicine, University of Valencia, Valencia, Spain
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29
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MUC1 Mitigates Renal Injury and Inflammation in Endotoxin Induced Acute Kidney Injury by Inhibiting the TLR4-MD2 Axis and Reducing Pro-Inflammatory Macrophages Infiltration. Shock 2021; 56:629-638. [PMID: 33534395 DOI: 10.1097/shk.0000000000001742] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT Sepsis is the leading cause of acute kidney injury (AKI) in critical care patients. A cornerstone of sepsis-associated AKI is dysregulated inflammation driven by excessive activation of Toll-like receptor 4 (TLR4) pathway. MUC1, a membrane bound mucin expressed in both epithelial tubular cells and renal macrophages, has been shown to be involved in the regulation of TLRs. Therefore we hypothesized that MUC1 could mitigate the renal inflammatory response to TLR4 activation. To test this hypothesis, we used a murine model of endotoxin-induced AKI by intraperitoneal injection of lipopolysaccharide (LPS). We showed that Muc1-/- mice have a more severe renal dysfunction, an increased activation of the tissular NF-kB pathway and secreted more pro inflammatory cytokines compare to Muc1+/+ mice. By flow cytometry, we observed that the proportion of M1 (pro-inflammatory) macrophages in the kidneys of Muc1-/- mice was significantly increased. In human and murine primary macrophages, we showed that MUC1 is only induced in M1 type macrophages and that macrophages derived from Muc1-/- mice secreted more pro-inflammatory cytokines. Eventually, in HEK293 cells, we showed that (i) MUC1 cytosolic domain (CT) seems necessary for the negative regulation of TLR4 (ii) by proximity ligation assay, MUC1-CT is in close relationship with TLR4 and acts as a competitive inhibitor of the recruitment of MYD88. Overall our results support that in the context of endotoxin-induced AKI, MUC1 plays a significant role in controlling disease severity by regulating negatively the TLR4-MD2 axis.
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Iverson E, Kaler L, Agostino EL, Song D, Duncan GA, Scull MA. Leveraging 3D Model Systems to Understand Viral Interactions with the Respiratory Mucosa. Viruses 2020; 12:E1425. [PMID: 33322395 PMCID: PMC7763686 DOI: 10.3390/v12121425] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2020] [Revised: 11/27/2020] [Accepted: 12/02/2020] [Indexed: 02/07/2023] Open
Abstract
Respiratory viruses remain a significant cause of morbidity and mortality in the human population, underscoring the importance of ongoing basic research into virus-host interactions. However, many critical aspects of infection are difficult, if not impossible, to probe using standard cell lines, 2D culture formats, or even animal models. In vitro systems such as airway epithelial cultures at air-liquid interface, organoids, or 'on-chip' technologies allow interrogation in human cells and recapitulate emergent properties of the airway epithelium-the primary target for respiratory virus infection. While some of these models have been used for over thirty years, ongoing advancements in both culture techniques and analytical tools continue to provide new opportunities to investigate airway epithelial biology and viral infection phenotypes in both normal and diseased host backgrounds. Here we review these models and their application to studying respiratory viruses. Furthermore, given the ability of these systems to recapitulate the extracellular microenvironment, we evaluate their potential to serve as a platform for studies specifically addressing viral interactions at the mucosal surface and detail techniques that can be employed to expand our understanding.
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Affiliation(s)
- Ethan Iverson
- Department of Cell Biology and Molecular Genetics, Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742, USA; (E.I.); (E.L.A.)
| | - Logan Kaler
- Biophysics Program, University of Maryland, College Park, MD 20742, USA; (L.K.); (G.A.D.)
| | - Eva L. Agostino
- Department of Cell Biology and Molecular Genetics, Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742, USA; (E.I.); (E.L.A.)
| | - Daniel Song
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA;
| | - Gregg A. Duncan
- Biophysics Program, University of Maryland, College Park, MD 20742, USA; (L.K.); (G.A.D.)
- Fischell Department of Bioengineering, University of Maryland, College Park, MD 20742, USA;
| | - Margaret A. Scull
- Department of Cell Biology and Molecular Genetics, Maryland Pathogen Research Institute, University of Maryland, College Park, MD 20742, USA; (E.I.); (E.L.A.)
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Kost-Alimova M, Sidhom EH, Satyam A, Chamberlain BT, Dvela-Levitt M, Melanson M, Alper SL, Santos J, Gutierrez J, Subramanian A, Byrne PJ, Grinkevich E, Reyes-Bricio E, Kim C, Clark AR, Watts AJ, Thompson R, Marshall J, Pablo JL, Coraor J, Roignot J, Vernon KA, Keller K, Campbell A, Emani M, Racette M, Bazua-Valenti S, Padovano V, Weins A, McAdoo SP, Tam FW, Ronco L, Wagner F, Tsokos GC, Shaw JL, Greka A. A High-Content Screen for Mucin-1-Reducing Compounds Identifies Fostamatinib as a Candidate for Rapid Repurposing for Acute Lung Injury. Cell Rep Med 2020; 1:100137. [PMID: 33294858 PMCID: PMC7691435 DOI: 10.1016/j.xcrm.2020.100137] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/23/2020] [Accepted: 10/13/2020] [Indexed: 12/12/2022]
Abstract
Drug repurposing has the advantage of identifying potential treatments on a shortened timescale. In response to the pandemic spread of SARS-CoV-2, we took advantage of a high-content screen of 3,713 compounds at different stages of clinical development to identify FDA-approved compounds that reduce mucin-1 (MUC1) protein abundance. Elevated MUC1 levels predict the development of acute lung injury (ALI) and acute respiratory distress syndrome (ARDS) and correlate with poor clinical outcomes. Our screen identifies fostamatinib (R788), an inhibitor of spleen tyrosine kinase (SYK) approved for the treatment of chronic immune thrombocytopenia, as a repurposing candidate for the treatment of ALI. In vivo, fostamatinib reduces MUC1 abundance in lung epithelial cells in a mouse model of ALI. In vitro, SYK inhibition by the active metabolite R406 promotes MUC1 removal from the cell surface. Our work suggests fostamatinib as a repurposing drug candidate for ALI.
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Affiliation(s)
| | - Eriene-Heidi Sidhom
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Abhigyan Satyam
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | | | - Moran Dvela-Levitt
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | | | - Seth L. Alper
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Jean Santos
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Juan Gutierrez
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | | | | | | | | | - Choah Kim
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Abbe R. Clark
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Andrew J.B. Watts
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | | | - Jamie Marshall
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | | | - Juliana Coraor
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Julie Roignot
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | - Katherine A. Vernon
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Keith Keller
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Alissa Campbell
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | | | | | - Silvana Bazua-Valenti
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | | | - Astrid Weins
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
| | - Stephen P. McAdoo
- Department of Immunology and Inflammation, Imperial College, Hammersmith Hospital, London, UK
| | - Frederick W.K. Tam
- Department of Immunology and Inflammation, Imperial College, Hammersmith Hospital, London, UK
| | - Luciene Ronco
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
| | | | - George C. Tsokos
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | | | - Anna Greka
- The Broad Institute of MIT and Harvard, Cambridge, MA, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, USA
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32
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Carpenter J, Kesimer M. Membrane-bound mucins of the airway mucosal surfaces are densely decorated with keratan sulfate: revisiting their role in the Lung's innate defense. Glycobiology 2020; 31:436-443. [PMID: 33083824 DOI: 10.1093/glycob/cwaa089] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 08/24/2020] [Accepted: 09/08/2020] [Indexed: 12/13/2022] Open
Abstract
Understanding the basic elements of the airway mucosal surfaces and how they form a functional barrier is essential in understanding disease initiation, progression, pathogenesis and ultimately treating chronic lung diseases. Using primary airway epithelial cell cultures, atomic force microscopy (AFM), multiangle light scattering and quartz crystal micro balance with dissipation monitoring techniques, here we report that the membrane bound mucins (MBMs) found in the periciliary layer (PCL) of the airway surface are densely decorated with keratan sulfate (KS). AFM and immunoblotting show that the KS sidechains can be removed enzymatically with keratanase II (KII) treatment, and the antibody accessibility for B2729 (MUC1), MUCH4 (MUC4) and OC125 (MUC16) was substantially enhanced. Light scattering analysis confirmed that KII treatment removed ~40% of the mass from the mucin fractions. Surface binding experiments indicated that MBMs were able to pack into a tighter conformation following KS removal, suggesting that negatively charged KS sidechains play a role in mucin-mucin repulsion and contribute to "space filling" in the PCL. We also observed that soluble filtrate from the common airway pathogen Pseudomonas aeruginosa is capable of stripping KS from MBMs. Altogether, our findings indicate that KS glycosylation of MBMs may play an important role in the integrity of the airway mucosal barrier and its compromise in disease.
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Affiliation(s)
- Jerome Carpenter
- Department of Pathology and Laboratory Medicine, Cystic Fibrosis/Pulmonary Research and Treatment Center, Marsico Lung Institute, University of North Carolina, Chapel Hill, NC 27599, USA
| | - Mehmet Kesimer
- Department of Pathology and Laboratory Medicine, Cystic Fibrosis/Pulmonary Research and Treatment Center, Marsico Lung Institute, University of North Carolina, Chapel Hill, NC 27599, USA
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33
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Grondin JA, Kwon YH, Far PM, Haq S, Khan WI. Mucins in Intestinal Mucosal Defense and Inflammation: Learning From Clinical and Experimental Studies. Front Immunol 2020; 11:2054. [PMID: 33013869 PMCID: PMC7500085 DOI: 10.3389/fimmu.2020.02054] [Citation(s) in RCA: 209] [Impact Index Per Article: 52.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2020] [Accepted: 07/28/2020] [Indexed: 12/24/2022] Open
Abstract
Throughout the gastrointestinal (GI) tract, a distinct mucus layer composed of highly glycosylated proteins called mucins plays an essential role in providing lubrication for the passage of food, participating in cell signaling pathways and protecting the host epithelium from commensal microorganisms and invading pathogens, as well as toxins and other environmental irritants. These mucins can be broadly classified into either secreted gel-forming mucins, those that provide the structural backbone for the mucus barrier, or transmembrane mucins, those that form the glycocalyx layer covering the underlying epithelial cells. Goblet cells dispersed among the intestinal epithelial cells are chiefly responsible for the synthesis and secretion of mucins within the gut and are heavily influenced by interactions with the immune system. Evidence from both clinical and animal studies have indicated that several GI conditions, including inflammatory bowel disease (IBD), colorectal cancer, and numerous enteric infections are accompanied by considerable changes in mucin quality and quantity. These changes include, but are not limited to, impaired goblet cell function, synthesis dysregulation, and altered post-translational modifications. The current review aims to highlight the structural and functional features as well as the production and immunological regulation of mucins and the impact these key elements have within the context of barrier function and host defense in intestinal inflammation.
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Affiliation(s)
- Jensine A Grondin
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, ON, Canada.,Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
| | - Yun Han Kwon
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, ON, Canada.,Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
| | - Parsa Mehraban Far
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, ON, Canada.,Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
| | - Sabah Haq
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, ON, Canada.,Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
| | - Waliul I Khan
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, ON, Canada.,Department of Pathology and Molecular Medicine, McMaster University, Hamilton, ON, Canada
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34
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Alimova M, Sidhom EH, Satyam A, Dvela-Levitt M, Melanson M, Chamberlain BT, Alper SL, Santos J, Gutierrez J, Subramanian A, Grinkevich E, Bricio ER, Kim C, Clark A, Watts A, Thompson R, Marshall J, Pablo JL, Coraor J, Roignot J, Vernon KA, Keller K, Campbell A, Emani M, Racette M, Bazua-Valenti S, Padovano V, Weins A, McAdoo SP, Tam FW, Ronco L, Wagner F, Tsokos GC, Shaw JL, Greka A. A High Content Screen for Mucin-1-Reducing Compounds Identifies Fostamatinib as a Candidate for Rapid Repurposing for Acute Lung Injury during the COVID-19 pandemic. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2020:2020.06.30.180380. [PMID: 32637960 PMCID: PMC7337390 DOI: 10.1101/2020.06.30.180380] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/28/2023]
Abstract
Drug repurposing is the only method capable of delivering treatments on the shortened time-scale required for patients afflicted with lung disease arising from SARS-CoV-2 infection. Mucin-1 (MUC1), a membrane-bound molecule expressed on the apical surfaces of most mucosal epithelial cells, is a biochemical marker whose elevated levels predict the development of acute lung injury (ALI) and respiratory distress syndrome (ARDS), and correlate with poor clinical outcomes. In response to the pandemic spread of SARS-CoV-2, we took advantage of a high content screen of 3,713 compounds at different stages of clinical development to identify FDA-approved compounds that reduce MUC1 protein abundance. Our screen identified Fostamatinib (R788), an inhibitor of spleen tyrosine kinase (SYK) approved for the treatment of chronic immune thrombocytopenia, as a repurposing candidate for the treatment of ALI. In vivo , Fostamatinib reduced MUC1 abundance in lung epithelial cells in a mouse model of ALI. In vitro , SYK inhibition by Fostamatinib promoted MUC1 removal from the cell surface. Our work reveals Fostamatinib as a repurposing drug candidate for ALI and provides the rationale for rapidly standing up clinical trials to test Fostamatinib efficacy in patients with COVID-19 lung injury.
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Affiliation(s)
- Maria Alimova
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Eriene-Heidi Sidhom
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Abhigyan Satyam
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA
| | - Moran Dvela-Levitt
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Michelle Melanson
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | | | - Seth L. Alper
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA
| | - Jean Santos
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Juan Gutierrez
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | | | | | | | - Choah Kim
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Abbe Clark
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Andrew Watts
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Rebecca Thompson
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Jamie Marshall
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | | | - Juliana Coraor
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Julie Roignot
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Katherine A. Vernon
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Keith Keller
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Alissa Campbell
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | | | - Matthew Racette
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Silvana Bazua-Valenti
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Valeria Padovano
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Astrid Weins
- Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
| | - Stephen P. McAdoo
- Department of Immunology and Inflammation, Imperial College, Hammersmith Hospital, London, UK
| | - Frederick W.K. Tam
- Department of Immunology and Inflammation, Imperial College, Hammersmith Hospital, London, UK
| | - Lucienne Ronco
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Florence Wagner
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - George C. Tsokos
- Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, Massachusetts, USA
| | - Jillian L. Shaw
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
| | - Anna Greka
- The Broad Institute of MIT and Harvard, Cambridge, Massachusetts, USA
- Brigham and Women’s Hospital and Harvard Medical School, Boston, Massachusetts, USA
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Kato K, Chang EH, Chen Y, Lu W, Kim MM, Niihori M, Hecker L, Kim KC. MUC1 contributes to goblet cell metaplasia and MUC5AC expression in response to cigarette smoke in vivo. Am J Physiol Lung Cell Mol Physiol 2020; 319:L82-L90. [PMID: 32401676 DOI: 10.1152/ajplung.00049.2019] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Goblet cell metaplasia (GCM) and mucin overproduction are a hallmark of chronic rhinosinusitis (CRS) and chronic obstructive pulmonary disease (COPD). In the airways, cigarette smoke (CS) induces activation of the epidermal growth factor receptor (EGFR) leading to GCM and overexpression of the gel-forming mucin MUC5AC. Although previous studies have demonstrated that a membrane-bound mucin, MUC1, modulates the activation of CS-induced EGFR, the role of MUC1 in CS-induced GCM and mucin overproduction has not been explored. In response to CS exposure, wild-type (WT) rats displayed Muc1 translocation from the apical surface of airway epithelium to the intracellular compartment of hyperplastic intermediate cells, EGFR phosphorylation, GCM, and Muc5ac overproduction. Similarly, human CRS sinonasal tissues demonstrated hyperplasia of intermediate cells enriched with MUC1 in the intracellular compartment, which was accompanied by GCM and increased MUC5AC expression. To further evaluate the role of Muc1 in vivo, a Muc1 knockout (KO) rat (MUC in humans and Muc in animals) was developed. In contrast to WT littermates, Muc1-KO rats exhibited no activation of EGFR, and were protected from GCM and Muc5ac overproduction. Genetic knockdown of MUC1 in human lung or Muc1 knockout in primary rat airway epithelial cells led to significantly diminished EGF-induced MUC5AC production. Together, these findings suggest that MUC1-dependent EGFR activation mediates CS-induced GCM and mucin overproduction. Strategies designed to suppress MUC1-dependent EGFR activation may provide a novel therapeutic approach for treating mucin hypersecretion in CRS and COPD.
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Affiliation(s)
- Kosuke Kato
- Department of Medicine, Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, University of Arizona College of Medicine, Tucson, Arizona
| | - Eugene H Chang
- Department of Otolaryngology, University of Arizona College of Medicine, Tucson, Arizona
| | - Yin Chen
- Department of Pharmacology and Toxicology, University of Arizona College of Pharmacy, Tucson, Arizona
| | - Wenju Lu
- Department of Medicine, National Key Laboratory of Respiratory Disease, Guangzhou Medical University, Guangzhou, China
| | - Marianne M Kim
- Department of Otolaryngology, University of Arizona College of Medicine, Tucson, Arizona
| | - Maki Niihori
- Department of Otolaryngology, University of Arizona College of Medicine, Tucson, Arizona
| | - Louise Hecker
- Department of Medicine, Division of Pulmonary, Allergy, Critical Care and Sleep Medicine, University of Arizona College of Medicine, Tucson, Arizona.,Southern Arizona Veterans Affairs Health Care System, Tucson, Arizona
| | - Kwang Chul Kim
- Department of Otolaryngology, University of Arizona College of Medicine, Tucson, Arizona
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36
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Wang YM, Qi X, Gong FC, Chen Y, Yang ZT, Mao EQ, Chen EZ. Protective and predictive role of Mucin1 in sepsis-induced ALI/ARDS. Int Immunopharmacol 2020; 83:106438. [PMID: 32247267 DOI: 10.1016/j.intimp.2020.106438] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2020] [Revised: 03/19/2020] [Accepted: 03/19/2020] [Indexed: 01/10/2023]
Abstract
OBJECTIVE We aimed to investigate whether inhibition of MUC1 would aggravate sepsis-induced ALI, and explore the predictive value of plasma MUC1 for sepsis patients with or without ARDS. MATERIALS AND METHODS MUC1 siRNA pre-treatment was used to knockdown MUC1 expression in vitro. GO203 was used to inhibit the homodimerization of MUC1-C in vivo. Expression levels of MUC1, TLR 4 and HIF-1α were detected by Western blot. In addition, plasma MUC1 levels of enrolled patients were detected by ELISA on the day of admission and on the 3rd day. ROC curve was used to determine the predictive value of MUC1 in sepsis patients with ARDS. RESULTS Our results showed that inhibition of MUC1 could aggravate sepsis-induced acute lung injury and increase the expression of inflammatory cytokines in sera and BALF of sepsis mice. At the same time, we confirmed that inhibition of MUC1 could significantly decrease HIF-1α expression and thereby activate the expression level of TLR4. HIF-1α was a negative regulator of TLR-4. In addition, plasma MUC1 levels of sepsis patients with ARDS were significantly higher than those without ARDS and healthy adults. ROC curve showed that predictive value of plasma MUC1 on sepsis with ARDS on the 3rd day of enrollment was higher than the day of enrollment. CONCLUSION MUC1 could inhibit the expression of TLR-4 by stabilizing HIF-1α, thereby alleviate sepsis-induced lung injury and protect organ function. At the same time, elevated MUC1 levels in plasma had a good predictive valud on whether patients with sepsis would develop ARDS.
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Affiliation(s)
- Yu-Ming Wang
- Department of Emergency in Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Xing Qi
- Department of Emergency in Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Fang-Chen Gong
- Department of Emergency in Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Ying Chen
- Department of Emergency in Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, PR China.
| | - Zhi-Tao Yang
- Department of Emergency in Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - En-Qiang Mao
- Department of Emergency in Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, PR China
| | - Er-Zhen Chen
- Department of Emergency in Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, PR China.
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Bose M, Mukherjee P. Microbe-MUC1 Crosstalk in Cancer-Associated Infections. Trends Mol Med 2020; 26:324-336. [PMID: 31753595 DOI: 10.1016/j.molmed.2019.10.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 10/03/2019] [Accepted: 10/08/2019] [Indexed: 02/07/2023]
Abstract
Infection-associated cancers account for ∼20% of all malignancies. Understanding the molecular mechanisms underlying infection-associated malignancies may help in developing diagnostic biomarkers and preventative vaccines against malignancy. During infection, invading microbes interact with host mucins lining the glandular epithelial cells and trigger inflammation. MUC1 is a transmembrane mucin glycoprotein that is present on the surface of almost all epithelial cells, and is known to interact with invading microbes. This interaction can trigger pro- or anti-inflammatory responses depending on the microbe and the cell type. In this review we summarize the mechanisms of microbe and MUC1 interactions, and highlight how MUC1 plays contrasting roles in different cells. We also share perspectives on future research that may support clinical advances in infection-associated cancers.
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Affiliation(s)
- Mukulika Bose
- Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC 28223, USA.
| | - Pinku Mukherjee
- Department of Biological Sciences, University of North Carolina at Charlotte, Charlotte, NC 28223, USA
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38
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Liu Y, Davis AS, Ma L, Bishop L, Cissé OH, Kutty G, Kovacs JA. MUC1 mediates Pneumocystis murina binding to airway epithelial cells. Cell Microbiol 2020; 22:e13182. [PMID: 32017380 DOI: 10.1111/cmi.13182] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Revised: 12/05/2019] [Accepted: 01/27/2020] [Indexed: 02/06/2023]
Abstract
Previous studies have shown that Pneumocystis binds to pneumocytes, but the proteins responsible for binding have not been well defined. Mucins are the major glycoproteins present in mucus, which serves as the first line of defence during airway infection. MUC1 is the best characterised membrane-tethered mucin and is expressed on the surface of most airway epithelial cells. Although by electron microscopy Pneumocystis primarily binds to type I pneumocytes, it can also bind to type II pneumocytes. We hypothesized that Pneumocystis organisms can bind to MUC1 expressed by type II pneumocytes. Overexpression of MUC1 in human embryonic kidney HEK293 cells increased Pneumocystis binding, while knockdown of MUC1 expression by siRNA in A549 cells, a human adenocarcinoma-derived alveolar type II epithelial cell line, decreased Pneumocystis binding. Immunofluorescence labelling indicated that MUC1 and Pneumocystis were co-localised in infected mouse lung tissue. Incubation of A549 cells with Pneumocystis led to phosphorylation of ERK1/2 that increased with knockdown of MUC1 expression by siRNA. Pneumocystis caused increased IL-6 and IL-8 secretion by A549 cells, and knockdown of MUC1 further increased their secretion in A549 cells. Taken together, these results suggest that binding of Pneumocystis to MUC1 expressed by airway epithelial cells may facilitate establishment of productive infection.
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Affiliation(s)
- Yueqin Liu
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - A Sally Davis
- Diagnostic Medicine/Pathobiology, Kansas State University College of Veterinary Medicine, Manhattan, Kansas, USA
| | - Liang Ma
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Lisa Bishop
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Ousmane H Cissé
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Geetha Kutty
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
| | - Joseph A Kovacs
- Critical Care Medicine Department, NIH Clinical Center, National Institutes of Health, Bethesda, Maryland
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Park GY, Yu HJ, Son JS, Park SJ, Cha HJ, Song KS. Specific bacteriophage of Bordetella bronchiseptica regulates B. bronchiseptica-induced microRNA expression profiles to decrease inflammation in swine nasal turbinate cells. Genes Genomics 2020; 42:441-447. [PMID: 32034667 PMCID: PMC7095298 DOI: 10.1007/s13258-019-00906-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2019] [Accepted: 12/11/2019] [Indexed: 12/15/2022]
Abstract
Background Respiratory diseases in pigs are the main health concerns for swine producers. Similar to the diseases in human and other animals, respiratory diseases are primary related to morbidity and are the result of infection with bacteria, viruses, or both. B. bronchiseptica causes serious respiratory diseases in the swine airway track. However, the B. bronchiseptica-specific bacteriophage has diverse advantages such as decreasing antibiotic overuse and possible therapeutic potential against bacteria. Objective The objects of this study were to investigate the therapeutic effect of specific B. bronchiseptica bacteriophages and to identify genes related to bacteriophage signaling utilizing RNA microarrays in swine nasal turbinate cells. Methods Bor-BRP-1 phages were applied 24 h prior to B.bronchiseptica infection (1 × 107 cfu/ml) at several concentrations of bacterial infection. Cells were incubated to detect cytokines and 24 h to detect mucin production. And real-time quantitative PCR was performed to examine related genes expression. To determine the change of total gene expression based on B.bronchiseptica and Bor-BRP-1 treatment, we performed RNA sequencing experiments. Results The results showed that B. bronchiseptica induced increased expression of several inflammatory genes such as IL-1β, IL-6, and Muc1 in a dose-dependent manner. However, Bor-BRP-1 induced reduction of gene expression compared to the B. bronchiseptica induction group. In addition, microarrays detected Bor-BRP-1-altered inflammatory gene expression against B. bronchiseptica, reducing B. bronchiseptica-induced airway inflammation in swine epithelial cells. Conclusion These results suggest that the specific bacteriophage has a therapeutic potential to defend against B. bronchiseptica infection by altering inflammatory gene expression profiles.
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Affiliation(s)
- Ga Young Park
- Department of Cell Biology, Kosin University College of Medicine, 34 Amnam-dong, Seo-gu, Busan, 49267, South Korea
| | - Hyun Jin Yu
- Institute of Life Technology, iNtRON Biotechnology, Seongnam, South Korea
| | - Jee Soo Son
- Institute of Life Technology, iNtRON Biotechnology, Seongnam, South Korea
| | - Sang Joon Park
- College of Veterinary Medicine, Kyungpook National University, Daegu, South Korea
| | - Hee-Jae Cha
- Department of Parasitology and Genetics, Kosin University College of Medicine, Busan, South Korea
| | - Kyoung Seob Song
- Department of Cell Biology, Kosin University College of Medicine, 34 Amnam-dong, Seo-gu, Busan, 49267, South Korea.
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Pasteurella multocida specific bacteriophage suppresses P. multocida-induced inflammation: identification of genes related to bacteriophage signaling by Pasteurella multocida-infected swine nasal turbinate cells. Genes Genomics 2019; 42:235-243. [PMID: 31853889 DOI: 10.1007/s13258-019-00898-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2019] [Accepted: 11/25/2019] [Indexed: 12/15/2022]
Abstract
BACKGROUND Although Pasteurella multocida is highly prevalent pathogen in animals and plays an important role in swine respiratory diseases, only a few studies on the use of bacteriophages specific to Pasteurella multocida disease have been reported. OBJECTIVE The object of this study was to investigate the therapeutic effect of specific P. multocida bacteriophages and to identify genes related to bacteriophage signaling utilizing RNA microarrays in swine nasal turbinate cells. METHODS Pas-MUP-1 phages were applied 24 h prior to P. multocida infection (1 × 107 cfu/ml) at several concentrations of bacterial infection. Cells were incubated to detect cytokines and 24 h to detect mucin production. And real-time quantitative PCR was performed to examine related genes expression. To determine the change of total gene expression based on P. multocida and Pas-MUP-1 treatment, we performed RNA sequencing experiments. RESULTS We found that P. multocida-infected PT-K75 cells show increased gene expression of IL-1β, IL-6, and Muc1 in a dose-dependent manner. Interestingly, these genes resulted in decreased expression in P. multocida pretreated with the P. multocida-specific Pas-MUP-1 bacteriophage. RNA sequencing analysis revealed that bacteriophage administration regulated genes associated with immune and inflammatory responses, and the regulated genes were dramatically concentrated in the cytokine/chemokine-based signaling pathways. Pas-MUP-1 treatment was shown to regulate P. multocida induced gene expression in the bacteria. CONCLUSION These results suggest the specific bacteriophage has therapeutic potential as an alternative to antibiotic treatment to defend against P. multocida infection by altering inflammatory gene expression profiles.
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Galeas-Pena M, McLaughlin N, Pociask D. The role of the innate immune system on pulmonary infections. Biol Chem 2019; 400:443-456. [PMID: 29604208 DOI: 10.1515/hsz-2018-0304] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 09/19/2018] [Indexed: 12/15/2022]
Abstract
Inhalation is required for respiration and life in all vertebrates. This process is not without risk, as it potentially exposes the host to environmental pathogens with every breath. This makes the upper respiratory tract one of the most common routes of infection and one of the leading causes of morbidity and mortality in the world. To combat this, the lung relies on the innate immune defenses. In contrast to the adaptive immune system, the innate immune system does not require sensitization, previous exposure or priming to attack foreign particles. In the lung, the innate immune response starts with the epithelial barrier and mucus production and is reinforced by phagocytic cells and T cells. These cells are vital for the production of cytokines, chemokines and anti-microbial peptides that are critical for clearance of infectious agents. In this review, we discuss all aspects of the innate immune response, with a special emphasis on ways to target aspects of the immune response to combat antibiotic resistant bacteria.
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Affiliation(s)
- Michelle Galeas-Pena
- Department of Pulmonary Critical Care and Environmental Medicine, Tulane University School of Medicine, 333 S. Liberty St., New Orleans, LA 70112, USA
| | - Nathaniel McLaughlin
- Department of Pulmonary Critical Care and Environmental Medicine, Tulane University School of Medicine, 333 S. Liberty St., New Orleans, LA 70112, USA
| | - Derek Pociask
- Department of Pulmonary Critical Care and Environmental Medicine, Tulane University School of Medicine, 333 S. Liberty St., New Orleans, LA 70112, USA
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Zhang H, Ji J, Liu Q, Xu S. MUC1 downregulation promotes TNF-α-induced necroptosis in human bronchial epithelial cells via regulation of the RIPK1/RIPK3 pathway. J Cell Physiol 2019; 234:15080-15088. [PMID: 30666647 PMCID: PMC6590293 DOI: 10.1002/jcp.28148] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Accepted: 01/02/2019] [Indexed: 01/24/2023]
Abstract
MUC1 (mucin 1), a membrane-tethered mucin glycoprotein, is highly expressed on the surface of respiratory epithelial cells and plays a key role in anti-inflammatory and antiapoptotic responses against infections. However, little is known about the link between MUC1 and necroptosis in asthma. This study aimed to investigate the effects of MUC1 on TNF-α-induced necroptosis in human bronchial epithelial (16HBE) cells and the underlying molecular mechanism. Negative control and MUC1-siRNA cells were treated with TNF-α in the presence or absence of necrostatin-1 (Nec-1). Necroptosis was investigated using flow cytometry analyses, and the protein expression levels of MUC1, receptor-interacting protein kinase-1 (RIPK1), RIPK3, and phosphorylated RIPK1 were detected by western blot analysis. In addition, the interactions between RIPK and MUC1 were analyzed by coimmunoprecipitation. The results demonstrated that TNF-α could induce necroptosis of 16HBE cells, and MUC1 expression was increased upon treatment with TNF-α. The coimmunoprecipitation outcomes showed that MUC1 interacted with RIPK1 but not with RIPK3 in 16HBE cells, and the interaction was augmented by TNF-α. Furthermore, MUC1 downregulation obviously increased the TNF-α-induced necroptosis of 16HBE cells and enhanced the expression of p-RIPK1-Ser166 and RIPK3, whereas these phenomena were partially attenuated by Nec-1. These results may provide a new insight into the mechanism of severe asthma-related necroptosis and lay a foundation for the future development of new anti-inflammatory drugs for asthma.
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Affiliation(s)
- Huojun Zhang
- Department of Respiratory and Critical Care MedicineKey Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyHubeiChina
| | - Jiani Ji
- Department of Respiratory and Critical Care MedicineKey Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyHubeiChina
| | - Qian Liu
- Department of Respiratory and Critical Care MedicineKey Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyHubeiChina
| | - Shuyun Xu
- Department of Respiratory and Critical Care MedicineKey Laboratory of Pulmonary Diseases of Health Ministry, Tongji Hospital, Tongji Medical College, Huazhong University of Science and TechnologyHubeiChina
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Kato K, Song BH, Howe CL, Chang EH. A Comprehensive Systematic Review of the Association Between Airway Mucins and Chronic Rhinosinusitis. Am J Rhinol Allergy 2019; 33:433-448. [PMID: 30892914 DOI: 10.1177/1945892419837042] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Objective Airway mucins are the major constituents of mucus and one of the first lines of host defense against inhaled pathogens. However, aberrant expression of mucins is associated with mucus hypersecretion resulting in chronic nasal drainage, a common complaint from patients with chronic rhinosinusitis (CRS). Our goal in this systematic review was to determine (1) expression profiles, (2) regulatory mechanisms, and (3) the pathologic roles of mucins associated with CRS. Methods MEDLINE, Cochrane Library, Embase, Scopus, Web of Science, and ClinicalTrials.gov were searched for studies focused on the role of mucins in CRS. Quality was assessed using the Cochrane Risk of Bias tool. The full text articles selected were then categorized into 3 study groups: (1) clinical, (2) animal, and (3) in vitro cultures. Data regarding study design, population/setting, methods, and bias were extracted and synthesized. Results Our initial search generated 392 titles/abstracts. After the primary review, 111 articles underwent secondary review. The final review included 53 articles, including 34 articles (64%) in the clinical study group, 3 articles (6%) in the animal study group, and 16 articles (30%) in the in vitro study group. In total, aberrant expression of 8 mucins—6 secreted-mucins (MUC2, -5AC, -5B, -6, -7, and -8) and 2 membrane-bound mucins (MUC1 and -4)—were identified in CRS tissues compared to healthy controls. Mucin expression was associated with bacterial sinusitis, inflammatory markers, and the response to steroid therapy in patients with CRS with nasal polyposis. Conclusion There is a strong correlation between alterations in mucin expression profiles and CRS. This systematic review highlights the most recent literature on the role of mucins in CRS. The analysis of these studies is limited by the heterogeneity in study designs, relatively few numbers of clinical samples, and lack of mechanistic studies in animal models and in vitro cultures.
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Affiliation(s)
- Kosuke Kato
- 1 Department of Otolaryngology-Head and Neck Surgery, The University of Arizona College of Medicine, Tucson, Arizona
| | - Brian H Song
- 1 Department of Otolaryngology-Head and Neck Surgery, The University of Arizona College of Medicine, Tucson, Arizona
| | - Carol L Howe
- 2 Health Sciences Library, The University of Arizona College of Medicine, Tucson, Arizona
| | - Eugene H Chang
- 1 Department of Otolaryngology-Head and Neck Surgery, The University of Arizona College of Medicine, Tucson, Arizona
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Libertucci J, Young VB. The role of the microbiota in infectious diseases. Nat Microbiol 2018; 4:35-45. [PMID: 30546094 DOI: 10.1038/s41564-018-0278-4] [Citation(s) in RCA: 210] [Impact Index Per Article: 35.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2017] [Accepted: 09/28/2018] [Indexed: 02/07/2023]
Abstract
The human body is colonized by a diverse community of microorganisms collectively referred to as the microbiota. Here, we describe how the human microbiota influences susceptibility to infectious diseases using examples from the respiratory, gastrointestinal and female reproductive tract. We will discuss how interactions between the host, the indigenous microbiota and non-native microorganisms, including bacteria, viruses and fungi, can alter the outcome of infections. This Review Article will highlight the complex mechanisms by which the microbiota mediates colonization resistance, both directly and indirectly, against infectious agents. Strategies for the therapeutic modulation of the microbiota to prevent or treat infectious diseases will be discussed, and we will review potential therapies that directly target the microbiota, including prebiotics, probiotics, synbiotics and faecal microbiota transplantation.
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Affiliation(s)
- Josie Libertucci
- Department of Internal Medicine, Infectious Diseases Division, University of Michigan Medical School, Ann Arbor, MI, USA
| | - Vincent B Young
- Department of Internal Medicine, Infectious Diseases Division, University of Michigan Medical School, Ann Arbor, MI, USA. .,Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI, USA.
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Park GY, Lee HM, Yu HJ, Son JS, Park SJ, Song KS. Bordetella bronchiseptica bateriophage suppresses B. bronchiseptica-induced inflammation in swine nasal turbinate cells. Genes Genomics 2018; 40:1383-1388. [PMID: 30353371 DOI: 10.1007/s13258-018-0755-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2018] [Accepted: 10/16/2018] [Indexed: 12/11/2022]
Abstract
The development of therapeutic bacteriophages will provide several benefits based on an understanding the basic physiological dynamics of phage and bacteria interactions for therapeutic use in light of the results of antibiotic abuse. However, studies on bacteriophage therapeutics against microbes are very limited, because of lack of phage stability and an incomplete understanding of the physiological intracellular mechanisms of phage. The major objective of this investigation was to provide opportunity for development of a novel therapeutic treatment to control respiratory diseases in swine. The cytokine array system was used to identify the secreted cytokines/chemokines after Bordetella bronchiseptica infection into swine nasal turbinate cells (PT-K75). We also performed the real-time quantitative PCR method to investigate the gene expression regulated by B. bronchiseptica infection or bacteriophage treatment. We found that B. bronchiseptica infection of PT-K75 induces secretion of many cytokines/chemokines to regulate airway inflammation. Of them, secretion and expression of IL-1β and IL-6 are increased in a dose-dependent manner. Interestingly, membrane-bound mucin production via expression of the Muc1 gene is increased in B. bronchiseptica-infected PT-K75 cells. However, cytokine production and Muc1 gene expression are dramatically inhibited by treatment with a specific B. bronchiseptica bacteriophage (Bor-BRP-1). The regulation of cytokine profiles in B. bronchiseptica-induced inflammation by B. bronchiseptica bacteriophage is essential for avoiding inappropriate inflammatory responses. The ability of bacteriophages to downregulate the immune response by inhibiting bacterial infection emphasizes the possibility of bacteriophage-based therapies as a novel anti-inflammatory therapeutic strategy in swine respiratory tracts.
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Affiliation(s)
- Ga Young Park
- Department of Physiology, Kosin University College of Medicine, 34 Amnam-dong, Seo-gu, Busan, 49267, South Korea
| | - Hye Min Lee
- Department of Physiology, Kosin University College of Medicine, 34 Amnam-dong, Seo-gu, Busan, 49267, South Korea
| | - Hyun Jin Yu
- Institute of Life Technology, iNtRON Biotechnology, Seongnam, South Korea
| | - Jee Soo Son
- Institute of Life Technology, iNtRON Biotechnology, Seongnam, South Korea
| | - Sang Joon Park
- College of Veterinary Medicine, Kyungpook National University, Daegu, South Korea
| | - Kyoung Seob Song
- Department of Physiology, Kosin University College of Medicine, 34 Amnam-dong, Seo-gu, Busan, 49267, South Korea.
- Institute of Medicine, Kosin University College of Medicine, Busan, South Korea.
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