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Guo J, Chen X, Wang C, Ruan F, Xiong Y, Wang L, Abdel-Razek O, Meng Q, Shahbazov R, Cooney RN, Wang G. LIRAGLUTIDE ALLEVIATES ACUTE LUNG INJURY AND MORTALITY IN PNEUMONIA-INDUCED SEPSIS THROUGH REGULATING SURFACTANT PROTEIN EXPRESSION AND SECRETION. Shock 2024; 61:601-610. [PMID: 38150354 PMCID: PMC11009087 DOI: 10.1097/shk.0000000000002285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2023]
Abstract
ABSTRACT Glucagon-like peptide 1 (GLP-1) analogs are used to treat type 2 diabetes, and they can regulate insulin secretion, energy homeostasis, inflammation, and immune cell function. This study sought to determine whether the GLP-1 analog liraglutide exerts a beneficial action in an acute lung injury model of pneumonia-induced sepsis. Methods: Wild-type FVB/NJ mice (n = 114) were infected by intratracheal injection with Pseudomonas aeruginosa Xen5 (4 × 10 4 CFU/mouse) or an equal volume (50 μL) of saline (control) with or without a subcutaneous injection of liraglutide (2 mg/kg, 30 min after infection). Mice were killed 24 h after infection. Lung tissues and BALF were analyzed. In separate experiments, the dynamic growth of bacteria and animal mortality was monitored using in vivo imaging system within 48 h after infection. In addition, primary lung alveolar type II cells isolated from mice were used to study the mechanism of liraglutide action. Result: Liraglutide improved survival ( P < 0.05), decreased bacterial loads in vivo , and reduced lung injury scores ( P < 0.01) in septic mice. Liraglutide-treated mice showed decreased levels of inflammatory cells ( P < 0.01) and proinflammatory cytokines (TNF-α and IL-6) ( P < 0.01) in the lung compared with septic controls. Liraglutide significantly increased pulmonary surfactant proteins (SP-A and SP-B) expression/secretion ( P < 0.01) and phospholipid secretion ( P < 0.01) in vivo . Primary alveolar type II cells pretreated with liraglutide improved SP-A and SP-B expression after LPS exposure ( P < 0.01). Conclusion: Liraglutide attenuates mortality and lung inflammation/injury in pneumonia-induced sepsis. The increased surfactant expression/secretion and anti-inflammatory effects of liraglutide represent potential mechanisms by GLP-1 agonists potentiate host defense and maintain alveolar respiratory function in acute lung injury.
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Affiliation(s)
- Junping Guo
- Department of Surgery, SUNY Upstate Medical University, Syracuse, NY 13210, USA
- Rainbowfish Rehabilitation & Nursing School, Hangzhou Vocational & Technical College, Hangzhou 310018, China
| | - Xinghua Chen
- Department of Surgery, SUNY Upstate Medical University, Syracuse, NY 13210, USA
- Department of Nephrology, Wuhan University, Renmin Hospital, Wuhan 430060, China
| | - Cole Wang
- Department of Surgery, SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - Feng Ruan
- Department of Surgery, SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - Yunhe Xiong
- Department of Surgery, SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - Lijun Wang
- Department of Endocrinology, Zhejiang Provincial People’s Hospital, Hangzhou 310014, China
| | - Osama Abdel-Razek
- Department of Surgery, SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - Qinghe Meng
- Department of Surgery, SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - Rauf Shahbazov
- Department of Surgery, SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - Robert N Cooney
- Department of Surgery, SUNY Upstate Medical University, Syracuse, NY 13210, USA
| | - Guirong Wang
- Department of Surgery, SUNY Upstate Medical University, Syracuse, NY 13210, USA
- Department of Microbiology and Immunology, SUNY Upstate Medical University, Syracuse, NY 13210, USA
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Jacob IB, Gemmiti A, Xiong W, Reynolds E, Nicholas B, Thangamani S, Jia H, Wang G. Human surfactant protein A inhibits SARS-CoV-2 infectivity and alleviates lung injury in a mouse infection model. Front Immunol 2024; 15:1370511. [PMID: 38596675 PMCID: PMC11002091 DOI: 10.3389/fimmu.2024.1370511] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2024] [Accepted: 03/11/2024] [Indexed: 04/11/2024] Open
Abstract
Introduction SARS coronavirus 2 (SARS-CoV-2) infects human angiotensin-converting enzyme 2 (hACE2)-expressing lung epithelial cells through its spike (S) protein. The S protein is highly glycosylated and could be a target for lectins. Surfactant protein A (SP-A) is a collagen-containing C-type lectin, expressed by mucosal epithelial cells and mediates its antiviral activities by binding to viral glycoproteins. Objective This study examined the mechanistic role of human SP-A in SARS-CoV-2 infectivity and lung injury in vitro and in vivo. Results Human SP-A can bind both SARS-CoV-2 S protein and hACE2 in a dose-dependent manner (p<0.01). Pre-incubation of SARS-CoV-2 (Delta) with human SP-A inhibited virus binding and entry and reduced viral load in human lung epithelial cells, evidenced by the dose-dependent decrease in viral RNA, nucleocapsid protein (NP), and titer (p<0.01). We observed significant weight loss, increased viral burden, and mortality rate, and more severe lung injury in SARS-CoV-2 infected hACE2/SP-A KO mice (SP-A deficient mice with hACE2 transgene) compared to infected hACE2/mSP-A (K18) and hACE2/hSP-A1 (6A2) mice (with both hACE2 and human SP-A1 transgenes) 6 Days Post-infection (DPI). Furthermore, increased SP-A level was observed in the saliva of COVID-19 patients compared to healthy controls (p<0.05), but severe COVID-19 patients had relatively lower SP-A levels than moderate COVID-19 patients (p<0.05). Discussion Collectively, human SP-A attenuates SARS-CoV-2-induced acute lung injury (ALI) by directly binding to the S protein and hACE2, and inhibiting its infectivity; and SP-A level in the saliva of COVID-19 patients might serve as a biomarker for COVID-19 severity.
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Affiliation(s)
- Ikechukwu B. Jacob
- Department of Surgery, the State University of New York (SUNY) Upstate Medical University, Syracuse, NY, United States
- Department of Microbiology & Immunology, SUNY Upstate Medical University, Syracuse, NY, United States
| | - Amanda Gemmiti
- Department of Otolaryngology, SUNY Upstate Medical University, Syracuse, NY, United States
| | - Weichuan Xiong
- Department of Surgery, the State University of New York (SUNY) Upstate Medical University, Syracuse, NY, United States
| | - Erin Reynolds
- Department of Microbiology & Immunology, SUNY Upstate Medical University, Syracuse, NY, United States
| | - Brian Nicholas
- Department of Otolaryngology, SUNY Upstate Medical University, Syracuse, NY, United States
| | - Saravanan Thangamani
- Department of Microbiology & Immunology, SUNY Upstate Medical University, Syracuse, NY, United States
| | - Hongpeng Jia
- Department of Surgery, Johns-Hopkins University, Baltimore, MD, United States
| | - Guirong Wang
- Department of Surgery, the State University of New York (SUNY) Upstate Medical University, Syracuse, NY, United States
- Department of Microbiology & Immunology, SUNY Upstate Medical University, Syracuse, NY, United States
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Abstract
Pulmonary surfactant is a critical component of lung function in healthy individuals. It functions in part by lowering surface tension in the alveoli, thereby allowing for breathing with minimal effort. The prevailing thinking is that low surface tension is attained by a compression-driven squeeze-out of unsaturated phospholipids during exhalation, forming a film enriched in saturated phospholipids that achieves surface tensions close to zero. A thorough review of past and recent literature suggests that the compression-driven squeeze-out mechanism may be erroneous. Here, we posit that a surfactant film enriched in saturated lipids is formed shortly after birth by an adsorption-driven sorting process and that its composition does not change during normal breathing. We provide biophysical evidence for the rapid formation of an enriched film at high surfactant concentrations, facilitated by adsorption structures containing hydrophobic surfactant proteins. We examine biophysical evidence for and against the compression-driven squeeze-out mechanism and propose a new model for surfactant function. The proposed model is tested against existing physiological and pathophysiological evidence in neonatal and adult lungs, leading to ideas for biophysical research, that should be addressed to establish the physiological relevance of this new perspective on the function of the mighty thin film that surfactant provides.
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Affiliation(s)
- Fred Possmayer
- Department of Biochemistry, Western University, London, Ontario N6A 3K7, Canada
- Department of Obstetrics/Gynaecology, Western University, London, Ontario N6A 3K7, Canada
| | - Yi Y Zuo
- Department of Mechanical Engineering, University of Hawaii at Manon, Honolulu, Hawaii 96822, United States
- Department of Pediatrics, John A. Burns School of Medicine, University of Hawaii, Honolulu, Hawaii 96826, United States
| | - Ruud A W Veldhuizen
- Department of Physiology & Pharmacology, Western University, London, Ontario N6A 5C1, Canada
- Department of Medicine, Western University, London, Ontario N6A 3K7, Canada
- Lawson Health Research Institute, London, Ontario N6A 4V2, Canada
| | - Nils O Petersen
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
- Department of Chemistry, Western University, London, Ontario N6A 5B7, Canada
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Xiong W, Perna A, Jacob IB, Lundgren BR, Wang G. The Enhancer-Binding Protein MifR, an Essential Regulator of α-Ketoglutarate Transport, Is Required for Full Virulence of Pseudomonas aeruginosa PAO1 in a Mouse Model of Pneumonia. Infect Immun 2022; 90:e0013622. [PMID: 36125307 PMCID: PMC9584295 DOI: 10.1128/iai.00136-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
Abstract
The opportunistic human pathogen Pseudomonas aeruginosa PAO1 has an extensive metabolism, enabling it to utilize a wide range of structurally diverse compounds to meet its nutritional and energy needs. Interestingly, the utilization of some of the more unusual compounds often associated with a eukaryotic-host environment is regulated via enhancer-binding proteins (EBPs) in P. aeruginosa. Whether the utilization of such compounds and the EBPs involved contribute to the pathogenesis of P. aeruginosa remains to be fully understood. To narrow this gap, we investigated the roles of the EBPs EatR (regulator of ethanolamine catabolism), DdaR (regulator of methylarginine catabolism), and MifR (regulator of α-ketoglutarate or α-KG transport) in the virulence of P. aeruginosa PAO1 in a pneumonia-induced septic mouse model. Deletion of genes encoding EatR and DdaR had no significant effect on the mortality of P. aeruginosa PAO1-infected mice compared to wide-type (WT) PAO1-infected mice. In contrast, infected mice with ΔmifR mutant exhibited a significant reduction (~50%) in the mortality rate compared with WT PAO1 (P < 0.05). Infected mice with ΔmifR PAO1 had lower lung injury scores, fewer inflammatory cells, decreased proinflammatory cytokines, and decreased apoptosis and cell death compared to mice infected with WT PAO1 (P < 0.05). Furthermore, molecular analysis revealed decreased NLRP3 inflammasome activation in infected mice with ΔmifR PAO1 compared to WT PAO1 (P < 0.05). These results suggested that the utilization of α-KG was a contributing factor in P. aeruginosa-mediated pneumonia and sepsis and that MifR-associated regulation may be a potential therapeutic target for P. aeruginosa infectious disease.
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Affiliation(s)
- Weichuan Xiong
- Department of Surgery, State University of New York (SUNY) Upstate Medical University, Syracuse, New York, USA
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, People’s Republic of China
| | - Alexander Perna
- Department of Surgery, State University of New York (SUNY) Upstate Medical University, Syracuse, New York, USA
| | - Ikechukwu B. Jacob
- Department of Surgery, State University of New York (SUNY) Upstate Medical University, Syracuse, New York, USA
- Department of Microbiology and Immunology, State University of New York (SUNY) Upstate Medical University, Syracuse, New York, USA
| | | | - Guirong Wang
- Department of Surgery, State University of New York (SUNY) Upstate Medical University, Syracuse, New York, USA
- Department of Microbiology and Immunology, State University of New York (SUNY) Upstate Medical University, Syracuse, New York, USA
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Memarzia A, Saadat S, Behrouz S, Boskabady MH. Curcuma longa and curcumin affect respiratory and allergic disorders, experimental and clinical evidence: A comprehensive and updated review. Biofactors 2022; 48:521-551. [PMID: 34932258 DOI: 10.1002/biof.1818] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2021] [Accepted: 12/05/2021] [Indexed: 01/23/2023]
Abstract
Curcuma longa and its constituents, mainly curcumin, showed various of pharmacological effects in previous studies. This review article provides updated and comprehensive experimental and clinical evidence regarding the effects of C. longa and curcumin on respiratory, allergic, and immunologic disorders. Using appropriate keywords, databases including PubMed, Science Direct, and Scopus were searched until the end of October 2021. C. longa extracts and its constituent, curcumin, showed the relaxant effect on tracheal smooth muscle, which indicates their bronchodilatory effect in obstructive pulmonary diseases. The preventive effects of extracts of C. longa and curcumin were shown in experimental animal models of different respiratory diseases through antioxidant, immunomodulatory, and anti-inflammatory mechanisms. C. longa and curcumin also showed preventive effects on some lung disorders in the clinical studies. It was shown that the effects of C. longa on pulmonary diseases were mainly due to its constituent, curcumin. Pharmacological effects of C. longa extracts and curcumin on respiratory, allergic, and immunologic disorders indicate the possible therapeutic effect of the plant and curcumin on these diseases.
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Affiliation(s)
- Arghavan Memarzia
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
- Student Research Committee, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Saeideh Saadat
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Physiology, School of Medicine, Zahedan University of Medical Sciences, Zahedan, Iran
| | - Sepideh Behrouz
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Mohammad Hossein Boskabady
- Applied Biomedical Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
- Department of Physiology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
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Gandhi CK, Thomas NJ, Meixia Y, Spear D, Fu C, Zhou S, Wu R, Keim G, Yehya N, Floros J. SNP–SNP Interactions of Surfactant Protein Genes in Persistent Respiratory Morbidity Susceptibility in Previously Healthy Children. Front Genet 2022; 13:815727. [PMID: 35401703 PMCID: PMC8989419 DOI: 10.3389/fgene.2022.815727] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 02/21/2022] [Indexed: 01/10/2023] Open
Abstract
We studied associations of persistent respiratory morbidity (PRM) at 6 and 12 months after acute respiratory failure (ARF) in previously healthy children with single-nucleotide polymorphisms (SNPs) of surfactant protein (SP) genes. Of the 250 enrolled subjects, 155 and 127 were followed at 6 and 12 months after an ARF episode, respectively. Logistic regression analysis and SNP–SNP interaction models were used. We found that 1) in the multivariate analysis, an increased risk at 6 and 12 months was associated with rs1124_A and rs4715_A of SFTPC, respectively; 2) in a single SNP model, increased and decreased risks of PRM at both timepoints were associated with rs1124 of SFTPC and rs721917 of SFTPD, respectively; an increased risk at 6 months was associated with rs1130866 of SFTPB and rs4715 of SFTPC, and increased and decreased risks at 12 months were associated with rs17886395 of SFTPA2 and rs2243639 of SFTPD, respectively; 3) in a two-SNP model, PRM susceptibility at both timepoints was associated with a number of intergenic interactions between SNPs of the studied SP genes. An increased risk at 12 months was associated with one intragenic (rs1965708 and rs113645 of SFTPA2) interaction; 4) in a three-SNP model, decreased and increased risks at 6 and 12 months, respectively, were associated with an interaction among rs1130866 of SFTPB, rs721917 of SFTPD, and rs1059046 of SFTPA2. A decreased risk at 6 months was associated with an interaction among the same SNPs of SFTPB and SFTPD and the rs1136450 of SFTPA1. The findings revealed that SNPs of all SFTPs appear to play a role in long-term outcomes of ARF survivors and may serve as markers for disease susceptibility.
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Affiliation(s)
- Chintan K. Gandhi
- Center for Host Defense, Inflammation, and Lung Disease (CHILD) Research, Department of Pediatrics, Pennsylvania State University College of Medicine, Hershey, PA, United States
| | - Neal J. Thomas
- Center for Host Defense, Inflammation, and Lung Disease (CHILD) Research, Department of Pediatrics, Pennsylvania State University College of Medicine, Hershey, PA, United States
| | - Ye Meixia
- Center for Computational Biology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Debbie Spear
- Center for Host Defense, Inflammation, and Lung Disease (CHILD) Research, Department of Pediatrics, Pennsylvania State University College of Medicine, Hershey, PA, United States
| | - Chenqi Fu
- Public Health Science, Pennsylvania State University College of Medicine, Hershey, PA, United States
| | - Shouhao Zhou
- Public Health Science, Pennsylvania State University College of Medicine, Hershey, PA, United States
| | - Rongling Wu
- Public Health Science, Pennsylvania State University College of Medicine, Hershey, PA, United States
| | - Garrett Keim
- Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, United States
| | - Nadir Yehya
- Department of Pediatrics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, United States
| | - Joanna Floros
- Center for Host Defense, Inflammation, and Lung Disease (CHILD) Research, Department of Pediatrics, Pennsylvania State University College of Medicine, Hershey, PA, United States
- Department of Obstetrics and Gynecology, Pennsylvania State University College of Medicine, Hershey, PA, United States
- *Correspondence: Joanna Floros,
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Regulatory Roles of Human Surfactant Protein B Variants on Genetic Susceptibility to Pseudomonas Aeruginosa Pneumonia-Induced Sepsis. Shock 2021; 54:507-519. [PMID: 31851120 DOI: 10.1097/shk.0000000000001494] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Surfactant protein B (SP-B) is essential for life and plays critical roles in host defense and lowering alveolar surface tension. A single-nucleotide polymorphism (SNP rs1130866) of human SP-B (hSP-B) alters the N-linked glycosylation, thus presumably affecting SP-B function. This study has investigated the regulatory roles of hSP-B genetic variants on lung injury in pneumonia-induced sepsis. METHODS Wild-type (WT) FVB/NJ and humanized transgenic SP-B-T and SP-B-C mice (expressing either hSP-B C or T allele without mouse SP-B gene) were infected intratracheally with 50 μL (4 × 10 colony-forming units [CFUs]/mouse) Pseudomonas aeruginosa Xen5 or saline, and then killed 24 or 48 h after infection. Bacterial dynamic growths were monitored from 0 to 48 h postinfection by in vivo imaging. Histopathological, cellular, and molecular changes of lung tissues and bronchoalveolar lavage fluid (BALF) were analyzed. Surface tension of surfactants was determined with constrained drop surfactometry. RESULTS SP-B-C mice showed higher bioluminescence and CFUs, increased inflammation and mortality, the higher score of lung injury, and reduced numbers of lamellar bodies in type II cells compared with SP-B-T or WT (P < 0.05). Minimum surface tension increased dramatically in infected mice (P < 0.01) with the order of SP-B-C > SP-B-T > WT. Levels of multiple cytokines in the lung of infected SP-B-C were higher than those of SP-B-T and WT (P < 0.01). Furthermore, compared with SP-B-T or WT, SP-B-C exhibited lower SP-B, higher NF-κB and NLRP3 inflammasome activation, and higher activated caspase-3. CONCLUSIONS hSP-B variants differentially regulate susceptibility through modulating the surface activity of surfactant, cell death, and inflammatory signaling in sepsis.
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Amini A, Soleimani H, Rezaei F, Ghoreishi SK, Chien S, Bayat M. The Combined Effect of Photobiomodulation and Curcumin on Acute Skin Wound Healing in Rats. J Lasers Med Sci 2021; 12:e9. [PMID: 34084735 DOI: 10.34172/jlms.2021.09] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Introduction: Abnormal wound repair is a cause for considerable expense, as well as patient morbidity and mortality. Here, we investigated the combined impact of photobiomodulation (PBM) and curcumin on a rat experimental model of an acute skin wound. Methods: A round full-thickness wound was created on the back of each rat. We divided the rats into the following four groups. Group one was the control group. Group two received pulse wave (PW) PBM at a dose of 890 nm, 80 Hz, and 0.2 J/cm2. Group 3 received 40 mg/kg curcumin by gastric gavage and group 4 were treated with PWPBM + curcumin. We measured the wound area on days 4, 7, and 15, and performed microbiological and tensiometric examinations. Results: There was markedly improved wound contraction in the curcumin (7.5 ± 0.57; P =0.000), PBM (8.5 ± 1.2; P =0.000), and PBM + curcumin (14.5 ± 4.3; P =0.002) groups relative to the control group (25 ± 6). PBM (100 ± 7.3; P =0.005), and PBM + curcumin (98 ± 6; P =0.005) groups meaningfully improved tensile strength relative to the control group (61 ± 8.2). On day 15, the PBM (10 ± 5; P =0.000), curcumin (14 ± 4.5, P =0.000), and PBM + curcumin (27.3 ± 8.3; P =0.000) groups meaningfully decreased microbial flora relative to the control group (95 ± 6). Conclusion: We concluded that the PBM and PBM + curcumin groups meaningfully accelerated wound healing of the acute skin wound in the rats. The results of the PBM group were statistically more effective than the curcumin alone and PBM + curcumin-treated groups.
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Affiliation(s)
- Abdollah Amini
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Hasan Soleimani
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | | | - Sufan Chien
- Price Institute of Surgical Research, University of Louisville and Noveratech LLC of Louisville, Louisville, KY, USA
| | - Mohammad Bayat
- Department of Biology and Anatomical Sciences, School of Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran.,Price Institute of Surgical Research, University of Louisville and Noveratech LLC of Louisville, Louisville, KY, USA
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Effects of Curcumin and Its Analogues on Infectious Diseases. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1291:75-101. [PMID: 34331685 DOI: 10.1007/978-3-030-56153-6_5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Infectious diseases (IDs) are life-threatening illnesses, which result from the spread of pathogenic microorganisms such as bacteria, viruses, fungi, and parasites. IDs are a major challenge for the healthcare systems around the world, leading to a wide variety of clinical manifestations and complications. Despite the capability of frontline-approved medications to partially prevent or mitigate the invasion and subsequent damage of IDs to host tissues and cells, problems such as drug resistance, insufficient efficacy, unpleasant side effects, and high expenses stand in the way of their beneficial applications. One strategy is to evaluate currently explored and available bioactive compounds as possible anti-microbial agents. The natural polyphenol curcumin has been postulated to possess various properties including anti-microbial activities. Studies have shown that it possess pleiotropic effects against bacterial- and parasitic-associating IDs including drug-resistant strains. Curcumin can also potentiate the efficacy of available anti-bacterial and anti-parasitic drugs in a synergistic fashion. In this review, we summarize the findings of these studies along with reported controversies of native curcumin and its analogues, alone and in combination, toward its application in future studies as a natural anti-bacterial and anti-parasitic agent.
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Alikiaii B, Bagherniya M, Askari G, Sathyapalan T, Sahebkar A. Evaluation of the effect of curcumin on pneumonia: A systematic review of preclinical studies. Phytother Res 2020; 35:1939-1952. [PMID: 33155336 DOI: 10.1002/ptr.6939] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 08/28/2020] [Accepted: 10/18/2020] [Indexed: 12/12/2022]
Abstract
Pneumonia is a major cause of morbidity and mortality worldwide and causes a significant burden on the healthcare systems. Curcumin is a natural phytochemical with anti-inflammatory and anti-neoplastic characteristics. The aim of this study was to conduct a systematic review of published studies on the effect of curcumin on preclinical models of pneumonia. A comprehensive search was conducted in PubMed/Medline, Scopus, Web of Science and Google Scholar from inception up to March 1, 2020 to recognize experimental or clinical trials assessing the effects of curcumin on pneumonia. We identified 17 primary citations that evaluated the effects of curcumin on pneumonia. Ten (58.8%) studies evaluated the effect of curcumin on mouse models of pneumonia, generated by intranasal inoculation of viruses or bacteria. Seven (41.2%) studies evaluated the inhibitory effects of curcumin on the pneumonia-inducing bacteria. Our results demonstrated that curcumin ameliorated the pneumonia-induced lung injury, mainly through a reduction of the activity and infiltration of neutrophils and the inhibition of inflammatory response in mouse models. Curcumin ameliorates the severity of pneumonia through a reduction in neutrophil infiltration and by amelioration of the exaggerated immune response in preclinical pneumonia models.
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Affiliation(s)
- Babak Alikiaii
- Department of Anesthesiology and Critical Care, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Mohammad Bagherniya
- Food Security Research Center, Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Gholamreza Askari
- Food Security Research Center, Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Thozhukat Sathyapalan
- Department of Academic Diabetes, Endocrinology and Metabolism, Hull York Medical School, University of Hull, Hull, UK
| | - Amirhossein Sahebkar
- Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Polish Mother's Memorial Hospital Research Institute (PMMHRI), Lodz, Poland.,Halal Research Center of IRI, FDA, Tehran, Iran
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11
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Mrochen DM, Fernandes de Oliveira LM, Raafat D, Holtfreter S. Staphylococcus aureus Host Tropism and Its Implications for Murine Infection Models. Int J Mol Sci 2020; 21:E7061. [PMID: 32992784 PMCID: PMC7582387 DOI: 10.3390/ijms21197061] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 09/22/2020] [Accepted: 09/22/2020] [Indexed: 12/11/2022] Open
Abstract
Staphylococcus aureus (S. aureus) is a pathobiont of humans as well as a multitude of animal species. The high prevalence of multi-resistant and more virulent strains of S. aureus necessitates the development of new prevention and treatment strategies for S. aureus infection. Major advances towards understanding the pathogenesis of S. aureus diseases have been made using conventional mouse models, i.e., by infecting naïve laboratory mice with human-adapted S.aureus strains. However, the failure to transfer certain results obtained in these murine systems to humans highlights the limitations of such models. Indeed, numerous S. aureus vaccine candidates showed promising results in conventional mouse models but failed to offer protection in human clinical trials. These limitations arise not only from the widely discussed physiological differences between mice and humans, but also from the lack of attention that is paid to the specific interactions of S. aureus with its respective host. For instance, animal-derived S. aureus lineages show a high degree of host tropism and carry a repertoire of host-specific virulence and immune evasion factors. Mouse-adapted S.aureus strains, humanized mice, and microbiome-optimized mice are promising approaches to overcome these limitations and could improve transferability of animal experiments to human trials in the future.
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Affiliation(s)
- Daniel M. Mrochen
- Department of Immunology, Institute of Immunology and Transfusion Medicine, University Medicine Greifswald, Ferdinand-Sauerbruch-Strasse DZ 7, 17475 Greifswald, Germany; (L.M.F.d.O.); (D.R.); (S.H.)
| | - Liliane M. Fernandes de Oliveira
- Department of Immunology, Institute of Immunology and Transfusion Medicine, University Medicine Greifswald, Ferdinand-Sauerbruch-Strasse DZ 7, 17475 Greifswald, Germany; (L.M.F.d.O.); (D.R.); (S.H.)
| | - Dina Raafat
- Department of Immunology, Institute of Immunology and Transfusion Medicine, University Medicine Greifswald, Ferdinand-Sauerbruch-Strasse DZ 7, 17475 Greifswald, Germany; (L.M.F.d.O.); (D.R.); (S.H.)
- Department of Microbiology and Immunology, Faculty of Pharmacy, Alexandria University, 21521 Alexandria, Egypt
| | - Silva Holtfreter
- Department of Immunology, Institute of Immunology and Transfusion Medicine, University Medicine Greifswald, Ferdinand-Sauerbruch-Strasse DZ 7, 17475 Greifswald, Germany; (L.M.F.d.O.); (D.R.); (S.H.)
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12
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Zhou Y, Ming J, Deng M, Li Y, Li B, Li J, Ma Y, Chen Z, Wang G, Liu S. Chemically modified curcumin (CMC2.24) alleviates osteoarthritis progression by restoring cartilage homeostasis and inhibiting chondrocyte apoptosis via the NF-κB/HIF-2α axis. J Mol Med (Berl) 2020; 98:1479-1491. [PMID: 32860098 PMCID: PMC10375240 DOI: 10.1007/s00109-020-01972-1] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 05/31/2020] [Accepted: 08/25/2020] [Indexed: 12/11/2022]
Abstract
The disorders of cartilage homeostasis and chondrocyte apoptosis are major events in the pathogenesis of osteoarthritis (OA). Herein, we aim to assess the chondroprotective effect and underlying mechanisms of a novel chemically modified curcumin, CMC2.24, in modulating extracellular matrix (ECM) homeostasis and inhibiting chondrocyte apoptosis. Rats underwent the anterior cruciate ligament transection, and medial menisci resection was treated by intra-articular injection with CMC2.24. In an in vitro study, rat chondrocytes were pretreated with CMC2.24 before stimulation with sodium nitroprusside (SNP). Results from in vivo studies demonstrated that the intra-articular administration of CMC2.24 ameliorated osteoarthritic cartilage destruction by promoting collagen 2a1 production and inhibited cartilage degradation and apoptosis by suppressing hypoxia-inducible factor-2a (Hif-2α), matrix metalloproteinase-3, runt-related transcription factor 2, cleaved caspase-3, and vascular endothelial growth factor and the phosphorylation of IκBα and NF-κB p65. The in vitro results revealed that CMC2.24 exhibited a strong inhibitory effect on SNP-induced chondrocyte catabolism and apoptosis. The SNP-enhanced expression of Hif-2α, a catabolic and apoptotic factor, decreased in a dose-dependent manner after CMC2.24 treatment. CMC2.24 pretreatment effectively inhibited SNP-induced IκBα and NF-κB p65 phosphorylation in rat chondrocytes, whereas pretreatment with the NF-κB antagonist BMS-345541 significantly enhanced the effects of CMC2.24. Overall, these results demonstrated that CMC2.24 attenuates OA progression by modulating ECM homeostasis and chondrocyte apoptosis by suppressing the NF-κB/Hif-2α axis, thus providing a new perspective for therapeutic strategies in OA. KEY MESSAGES: • Intra-articular injection of CMC2.24 ameliorated osteoarthritic cartilage destruction. • CMC2.24 promoted cell viability and decreased SNP-induced apoptotic gene expression. • SNP-induced activation of Hif-2α is inhibited by CMC2.24. • CMC2.24 inhibits NF-κB/Hif-2α axis activation to modulate ECM homeostasis and inhibit chondrocyte apoptosis.
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13
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Abstract
With the recognition in the 1960s and 1970s of the periodontopathic importance of the microbial biofilm and its specific anaerobic microorganisms, periodontitis was treated as an infectious disease (more recently, as a dysbiosis). Subsequently, in the 1980s, host-response mechanisms were identified as the mediators of the destruction of the collagen-rich periodontal tissues (gingiva, periodontal ligament, alveolar bone), and the periodontopathogens were now regarded as the "trigger" of the inflammatory/collagenolytic response that characterizes actively destructive periodontitis. Also at this time a new pharmacologic strategy emerged, entitled "host-modulation therapy", based on 2 major findings: (1) that the ability of tetracycline antibiotics to inhibit periodontal breakdown was due (in large part) to their previously unrecognized ability to inhibit the host-derived matrix metalloproteinases (notably, the collagenases, gelatinases, macrophage metalloelastase), and by mechanisms unrelated to the antimicrobial properties of these medications; and (2) that nonsteroidal anti-inflammatory drugs, such as flurbiprofen, again by nonantimicrobial mechanisms, could reduce the severity of periodontitis (however, the adverse effects of long-term therapy precluded their development as safe and effective host-modulatory agents). Additional mechanistic studies resulted in the development of novel nonantimicrobial formulations (Periostat® [now generic] and Oracea®) and compositions of tetracyclines (notably chemically modified tetracycline-3) as host-modulator drugs for periodontitis, arthritis, cardiovascular and pulmonary diseases, cancer, and, more recently, for local and systemic bone loss in postmenopausal women. Identification of the cation-binding active site in the tetraphenolic chemically modified tetracycline molecules drove the development of a new category of matrix metalloproteinase-inhibitor compounds, with a similar active site, the biphenolic chemically modified curcumins. A lead compound, chemically modified curcumin 2.24, has demonstrated safety and efficacy in vitro, in cell culture, and in vivo in mouse, rat, rabbit, and dog models of disease. In conclusion, novel host-modulation compounds have shown significant promise as adjuncts to traditional local therapy in the clinical management of periodontal disease; appear to reduce systemic complications of this all-too-common "inflammatory/collagenolytic" disease; and Oracea® is now commonly prescribed for inflammatory dermatologic diseases.
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Affiliation(s)
- Lorne M. Golub
- Department of Oral Biology & PathologySchool of Dental MedicineStony Brook UniversityStony BrookNew York, USA
| | - Hsi‐Ming Lee
- Department of Oral Biology & PathologySchool of Dental MedicineStony Brook UniversityStony BrookNew York, USA
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14
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Reversal of Surfactant Protein B Deficiency in Patient Specific Human Induced Pluripotent Stem Cell Derived Lung Organoids by Gene Therapy. Sci Rep 2019; 9:13450. [PMID: 31530844 PMCID: PMC6748939 DOI: 10.1038/s41598-019-49696-8] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Accepted: 08/29/2019] [Indexed: 12/12/2022] Open
Abstract
Surfactant protein B (SFTPB) deficiency is a fatal disease affecting newborn infants. Surfactant is produced by alveolar type II cells which can be differentiated in vitro from patient specific induced pluripotent stem cell (iPSC)-derived lung organoids. Here we show the differentiation of patient specific iPSCs derived from a patient with SFTPB deficiency into lung organoids with mesenchymal and epithelial cell populations from both the proximal and distal portions of the human lung. We alter the deficiency by infecting the SFTPB deficient iPSCs with a lentivirus carrying the wild type SFTPB gene. After differentiating the mutant and corrected cells into lung organoids, we show expression of SFTPB mRNA during endodermal and organoid differentiation but the protein product only after organoid differentiation. We also show the presence of normal lamellar bodies and the secretion of surfactant into the cell culture medium in the organoids of lentiviral infected cells. These findings suggest that a lethal lung disease can be targeted and corrected in a human lung organoid model in vitro.
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15
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Wang HH, Lee HM, Raja V, Hou W, Iacono VJ, Scaduto J, Johnson F, Golub LM, Gu Y. Enhanced efficacy of chemically modified curcumin in experimental periodontitis: systemic implications. J Exp Pharmacol 2019; 11:1-14. [PMID: 30774454 PMCID: PMC6350653 DOI: 10.2147/jep.s171119] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
Introduction Dental microbial biofilm initiates gingival inflammation, and its suppression is the current dominant strategy for treating periodontitis. However, the host response to the biofilm is largely responsible for the connective tissue breakdown including alveolar bone loss, which is mediated by proinflammatory cytokines and matrix metalloproteinases (MMPs). Methods The current study compared the efficacy of a novel host-modulation compound, a chemically modified curcumin (CMC 2.24), to that of its parent compound (natural curcumin), in both lipopolysaccharide (LPS) (a bacterial endotoxin)-induced cell culture and in vivo models of periodontitis. Results In cell culture, both CMC 2.24 and curcumin appeared similarly effective in suppressing LPS-induced cytokine (IL-1β and TNF-α) secretion by mononuclear inflammatory cells; however, CMC 2.24 significantly reduced MMP-9 secretion by 78% (P<0.05) whereas curcumin was ineffective. In vivo, CMC 2.24 administration was more effective than curcumin in suppressing (a) IL-1β in gingival tissue and (b) MMP-9 in both gingiva and plasma, the latter indicating a reduced severity of systemic inflammation. The difference in primary clinical outcome between the two treatments was that CMC 2.24 reduced the pathologically excessive alveolar bone loss, assessed morphometrically at multiple sites, by 80%-90% (P<0.01), whereas curcumin, surprisingly, either increased (P<0.05) or had no effect on alveolar bone loss at these sites. Conclusion These data, plus that from previous studies, support the therapeutic potential of CMC 2.24 in the management of inflammatory periodontal disease and its ability to reduce the risk of associated systemic diseases. The current study also indicates that the MMP-9 inhibitor efficacy is associated with the ability of CMC 2.24 (but not curcumin) to inhibit alveolar bone loss in this rat model of periodontitis.
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Affiliation(s)
- Howard H Wang
- Department of Periodontology and Endodontology, School of Dental Medicine, State University of New York at Buffalo, Buffalo, NY, USA
| | - Hsi-Ming Lee
- Department of Oral Biology and Pathology, School of Dental Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Veena Raja
- Department of Oral Biology and Pathology, School of Dental Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Wei Hou
- Department of Preventive Medicine, School of Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Vincent J Iacono
- Department of Periodontology, School of Dental Medicine, Stony Brook University, Stony Brook, NY, USA
| | | | - Francis Johnson
- Department of Chemistry, Stony Brook University, Stony Brook, NY, USA.,Department of Pharmacological Sciences, Stony Brook University, Stony Brook, NY, USA
| | - Lorne M Golub
- Department of Oral Biology and Pathology, School of Dental Medicine, Stony Brook University, Stony Brook, NY, USA
| | - Ying Gu
- Department of General Dentistry, School of Dental Medicine, Stony Brook University, Stony Brook, NY, USA,
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16
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de Almeida Brandão D, Spolidorio LC, Johnson F, Golub LM, Guimarães-Stabili MR, Rossa C. Dose-response assessment of chemically modified curcumin in experimental periodontitis. J Periodontol 2018; 90:535-545. [PMID: 30394523 DOI: 10.1002/jper.18-0392] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2018] [Revised: 11/01/2018] [Accepted: 11/01/2018] [Indexed: 01/22/2023]
Abstract
BACKGROUND CMC2.24, a novel tri-ketonic chemically modified compound based on natural di-ketonic curcumin, has been shown to reduce bone loss and inflammatory mediators in experimental periodontitis, however, a potential dose-response relationship was not determined. The purpose of this study was to assess the effects of different doses of CMC2.24 on inflammation and bone resorption in vivo and also to describe on the effects of CMC2.24 on macrophage response. METHODS CMC2.24 was administered daily to animals for 28 days by oral gavage, at the following doses: 0 (control), 1, 3, 10, and 30 mg/kg of body weight. Experimental periodontitis was induced by injections of lipopolysaccharide (LPS) into the gingival tissues. Outcomes assessed were bone resorption, detection of tartrate-resistant acid phosphatase, and determination of gene expression. In vitro, macrophages (RAW264.7) were treated with different concentrations of CMC2.24: 1, 3, 10, and 30 μM and then subjected to different activation stimuli. Gene expression, phagocytic activity, production of reactive oxygen species (ROS) and cytokine production were evaluated. RESULTS CMC2.24 inhibited bone resorption, osteoclastogenesis, and tumor necrosis factor (TNF)-α expression in vivo. These beneficial responses reached maximum levels at a dose of 1 mg/kg, i.e. no dose-dependent effect. In vitro, CMC2.24 reduced the production of TNF-α and interleukin-10, inhibited phagocytic activity and stimulated production of ROS. A dose-dependent effect was observed only for ROS production. CONCLUSION Low doses of CMC2.24 (1 mg/kg/day) administered orally were sufficient to significantly inhibit alveolar bone resorption associated with the experimental periodontal disease; whereas in vitro macrophage inflammatory gene expression and phagocytosis were reduced, whereas production of ROS was stimulated.
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Affiliation(s)
| | | | - Francis Johnson
- Departments of Chemistry and Pharmacological Sciences, Stony Brook University, Stony Brook, NY, USA
| | - Lorne M Golub
- Department of Oral Biology and Pathology, School of Dental Medicine Stony Brook University
| | | | - Carlos Rossa
- Department of Diagnosis and Surgery, School of Dentistry at Araraquara, UNESP, Araraquara, Brazil
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17
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Du J, Abdel-Razek O, Shi Q, Hu F, Ding G, Cooney RN, Wang G. Surfactant protein D attenuates acute lung and kidney injuries in pneumonia-induced sepsis through modulating apoptosis, inflammation and NF-κB signaling. Sci Rep 2018; 8:15393. [PMID: 30337682 PMCID: PMC6193952 DOI: 10.1038/s41598-018-33828-7] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 10/04/2018] [Indexed: 02/07/2023] Open
Abstract
Pneumonia and sepsis are major risk factors for acute kidney injury (AKI). Patients with pneumonia and AKI are at increased risk for morbidity and mortality. Surfactant protein D (SP-D) expressed in lung and kidney plays important roles in innate immunity. However, little is known about the role of organ-specific SP-D in the sepsis. The current study uses wild type (WT), SP-D knockout (KO), and humanized SP-D transgenic (hTG, lung-specific SP-D expression) mice to study organ-specific role of SP-D in pneumonia-induced sepsis. Analyses demonstrated differential lung and kidney injury among three-type mice infected with Pseudomonas aeruginosa. After infection, KO mice showed higher injurious scores in both lung and kidney, and decreased renal function than WT and hTG mice. hTG mice exhibited comparable lung injury but more severe kidney injury compared to WT mice. Increased renal tubular apoptosis, NF-κB activation and proinflammatory cytokines in the kidney of KO mice were found when compared with WT and hTG mice. Furthermore, in vitro primary proximal tubular epithelial cells from KO mice showed more apoptosis with higher level of activated caspase-3 than those from WT mice after LPS treatment. Collectively, SP-D attenuates AKI in the sepsis by modulating renal apoptosis, inflammation and NF-κB signaling.
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Affiliation(s)
- Juan Du
- Department of Surgery, SUNY Upstate Medical University, Syracuse, New York, 13210, USA.,Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, People's Republic of China
| | - Osama Abdel-Razek
- Department of Surgery, SUNY Upstate Medical University, Syracuse, New York, 13210, USA
| | - Qiao Shi
- Department of Surgery, SUNY Upstate Medical University, Syracuse, New York, 13210, USA
| | - Fengqi Hu
- Department of Surgery, SUNY Upstate Medical University, Syracuse, New York, 13210, USA
| | - Guohua Ding
- Department of Nephrology, Renmin Hospital of Wuhan University, Wuhan, 430060, Hubei Province, People's Republic of China
| | - Robert N Cooney
- Department of Surgery, SUNY Upstate Medical University, Syracuse, New York, 13210, USA
| | - Guirong Wang
- Department of Surgery, SUNY Upstate Medical University, Syracuse, New York, 13210, USA.
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18
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Lin Z, Thorenoor N, Wu R, DiAngelo SL, Ye M, Thomas NJ, Liao X, Lin TR, Warren S, Floros J. Genetic Association of Pulmonary Surfactant Protein Genes, SFTPA1, SFTPA2, SFTPB, SFTPC, and SFTPD With Cystic Fibrosis. Front Immunol 2018; 9:2256. [PMID: 30333828 PMCID: PMC6175982 DOI: 10.3389/fimmu.2018.02256] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2018] [Accepted: 09/11/2018] [Indexed: 01/03/2023] Open
Abstract
Surfactant proteins (SP) are involved in surfactant function and innate immunity in the human lung. Both lung function and innate immunity are altered in CF, and altered SP levels and genetic association are observed in Cystic Fibrosis (CF). We hypothesized that single nucleotide polymorphisms (SNPs) within the SP genes associate with CF or severity subgroups, either through single SNP or via SNP-SNP interactions between two SNPs of a given gene (intragenic) and/or between two genes (intergenic). We genotyped a total of 17 SP SNPs from 72 case-trio pedigree (SFTPA1 (5), SFTPA2 (4), SFTPB (4), SFTPC (2), and SFTPD (2)), and identified SP SNP associations by applying quantitative genetic principles. The results showed (a) Two SNPs, SFTPB rs7316 (p = 0.0083) and SFTPC rs1124 (p = 0.0154), each associated with CF. (b) Three intragenic SNP-SNP interactions, SFTPB (rs2077079, rs3024798), and SFTPA1 (rs1136451, rs1059057 and rs4253527), associated with CF. (c) A total of 34 intergenic SNP-SNP interactions among the 4 SP genes to be associated with CF. (d) No SNP-SNP interaction was observed between SFTPA1 or SFTPA2 and SFTPD. (e) Equal number of SNP-SNP interactions were observed between SFTPB and SFTPA1/SFTPA2 (n = 7) and SP-B and SFTPD (n = 7). (f) SFTPC exhibited significant SNP-SNP interactions with SFTPA1/SFTPA2 (n = 11), SFTPB (n = 4) and SFTPD (n = 3). (g) A single SFTPB SNP was associated with mild CF after Bonferroni correction, and several intergenic interactions that are associated (p < 0.01) with either mild or moderate/severe CF were observed. These collectively indicate that complex SNP-SNP interactions of the SP genes may contribute to the pulmonary disease in CF patients. We speculate that SPs may serve as modifiers for the varied progression of pulmonary disease in CF and/or its severity.
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Affiliation(s)
- Zhenwu Lin
- Department of Radiology, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, United States
| | - Nithyananda Thorenoor
- Department of Pediatrics, Center for Host Defense, Inflammation, and Lung Disease (CHILD) Research, Pennsylvania State University, Hershey, PA, United States
| | - Rongling Wu
- Public Health Science, College of Medicine, Pennsylvania State University, Hershey, PA, United States
| | - Susan L DiAngelo
- Department of Pediatrics, Center for Host Defense, Inflammation, and Lung Disease (CHILD) Research, Pennsylvania State University, Hershey, PA, United States
| | - Meixia Ye
- Public Health Science, College of Medicine, Pennsylvania State University, Hershey, PA, United States.,Center for Computational Biology, College of Biological Sciences and Technology, Beijing Forestry University, Beijing, China
| | - Neal J Thomas
- Department of Pediatrics, Center for Host Defense, Inflammation, and Lung Disease (CHILD) Research, Pennsylvania State University, Hershey, PA, United States
| | - Xiaojie Liao
- Department of Pediatrics, Center for Host Defense, Inflammation, and Lung Disease (CHILD) Research, Pennsylvania State University, Hershey, PA, United States
| | - Tony R Lin
- Department of Pediatrics, Center for Host Defense, Inflammation, and Lung Disease (CHILD) Research, Pennsylvania State University, Hershey, PA, United States
| | - Stuart Warren
- Department of Pediatrics, Center for Host Defense, Inflammation, and Lung Disease (CHILD) Research, Pennsylvania State University, Hershey, PA, United States
| | - Joanna Floros
- Department of Pediatrics, Center for Host Defense, Inflammation, and Lung Disease (CHILD) Research, Pennsylvania State University, Hershey, PA, United States.,Obstetrics and Gynecology, Pennsylvania State University College of Medicine, Hershey, PA, United States
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19
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Ménoret A, Buturla JA, Xu MM, Svedova J, Kumar S, Rathinam VAK, Vella AT. T cell-directed IL-17 production by lung granular γδ T cells is coordinated by a novel IL-2 and IL-1β circuit. Mucosal Immunol 2018; 11:1398-1407. [PMID: 29907868 PMCID: PMC6668340 DOI: 10.1038/s41385-018-0037-0] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2018] [Revised: 03/29/2018] [Accepted: 04/20/2018] [Indexed: 02/04/2023]
Abstract
Immune-mediated lung is considered the result of an exacerbated innate injury immune response, although a role for adaptive lymphocytes is emerging. αβ T cells specific for S. aureus enterotoxin A orchestrate a Tγδ17 response during lung injury. However, the mechanism driving IL-17 production is unclear. Here, we show a role for IL-2 triggering IL-17 production by lung granular γδ T cells as IL-17 synthesis and neutrophil recruitment was reduced by IL-2 blocking mAbs in vitro and in vivo. Mass cytometry analysis revealed that lung γδ T cells responded directly to IL-2 as evident from STAT5 phosphorylation and RoRγt expression. IL-2 receptor blocking mAbs and JAK inhibition impaired STAT5 phosphorylation and IL-17 release. Moreover, inhalation of S. aureus enterotoxin A induced IL-2 secretion and caspase-1-dependent IL-1β activation to drive IL-17 production. This T-cell-mediated inflammasome-dependent IL-17 response is maximum when lung Tγδ17 cells were sequentially stimulated first with IL-2 then IL-1β. Interestingly, when IL-2 is given therapeutically to cancer patients it carries a known risk of lung injury that is largely indistinguishable from that seen in sepsis. Hence, this novel mechanism reveals therapeutic targets treating both acute lung injury and high-dose IL-2 toxicity in cancer.
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Affiliation(s)
- Antoine Ménoret
- Department of Immunology, UConn Health, 263 Farmington Avenue, Farmington, CT 06030, USA;,Institute for Systems Genomics, UConn Health, 400 Farmington Avenue, Farmington, CT 06030, USA and
| | - James A. Buturla
- Department of Internal Medicine, UConn Health, 263 Farmington Avenue, Farmington, CT 06030, USA
| | - Maria M. Xu
- Department of Immunology, UConn Health, 263 Farmington Avenue, Farmington, CT 06030, USA
| | - Julia Svedova
- Department of Immunology, UConn Health, 263 Farmington Avenue, Farmington, CT 06030, USA
| | - Sanjeev Kumar
- Department of Immunology, UConn Health, 263 Farmington Avenue, Farmington, CT 06030, USA
| | - Vijay A. K. Rathinam
- Department of Immunology, UConn Health, 263 Farmington Avenue, Farmington, CT 06030, USA
| | - Anthony T. Vella
- Department of Immunology, UConn Health, 263 Farmington Avenue, Farmington, CT 06030, USA
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20
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Mallangada NA, Vargas JM, Thomas S, DiGiovanni MG, Vaeth BM, Nemesure MD, Wang R, LaComb JF, Williams JL, Golub LM, Johnson F, Mackenzie GG. A novel tricarbonylmethane agent (CMC2.24) reduces human pancreatic tumor growth in mice by targeting Ras. Mol Carcinog 2018; 57:1130-1143. [PMID: 29683208 DOI: 10.1002/mc.22830] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Revised: 02/24/2018] [Accepted: 04/17/2018] [Indexed: 12/28/2022]
Abstract
Pancreatic Cancer (PC) is a deadly disease in need of new therapeutic options. We recently developed a novel tricarbonylmethane agent (CMC2.24) as a therapeutic agent for PC, and evaluated its efficacy in preclinical models of PC. CMC2.24 inhibited the growth of various human PC cell lines in a concentration and time-dependent manner. Normal human pancreatic epithelial cells were resistant to CMC2.24, indicating selectivity. CMC2.24 reduced the growth of subcutaneous and orthotopic PC xenografts in mice by up to 65% (P < 0.02), and the growth of a human patient-derived tumor xenograft by 47.5% (P < 0.03 vs vehicle control). Mechanistically, CMC2.24 inhibited the Ras-RAF-MEK-ERK pathway. Based on Ras Pull-Down Assays, CMC2.24 inhibited Ras-GTP, the active form of Ras, in MIA PaCa-2 cells and in pancreatic acinar explants isolated from Kras mutant mice, by 90.3% and 89.1%, respectively (P < 0.01, for both). The inhibition of active Ras led to an inhibition of c-RAF, MEK, and ERK phosphorylation by 93%, 91%, and 87%, respectively (P < 0.02, for all) in PC xenografts. Furthermore, c-RAF overexpression partially rescued MIA PaCa-2 cells from the cell growth inhibition by CMC2.24. In addition, downstream of ERK, CMC2.24 inhibited STAT3 phosphorylation levels at the serine 727 residue, enhanced the levels of superoxide anion in mitochondria, and induced intrinsic apoptosis as shown by the release of cytochrome c from the mitochondria to the cytosol and the further cleavage of caspase 9 in PC cells. In conclusion, CMC2.24, a potential Ras inhibitor, is an efficacious agent for PC treatment in preclinical models, deserving further evaluation.
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Affiliation(s)
- Naveen A Mallangada
- Department of Family, Population and Preventive Medicine, Stony Brook University, Stony Brook, New York
| | - Joselin M Vargas
- Department of Family, Population and Preventive Medicine, Stony Brook University, Stony Brook, New York
| | - Swaroopa Thomas
- Department of Family, Population and Preventive Medicine, Stony Brook University, Stony Brook, New York
| | - Matthew G DiGiovanni
- Department of Family, Population and Preventive Medicine, Stony Brook University, Stony Brook, New York
| | - Brandon M Vaeth
- Department of Family, Population and Preventive Medicine, Stony Brook University, Stony Brook, New York
| | - Matthew D Nemesure
- Department of Family, Population and Preventive Medicine, Stony Brook University, Stony Brook, New York
| | - Ruixue Wang
- Department of Family, Population and Preventive Medicine, Stony Brook University, Stony Brook, New York
| | - Joseph F LaComb
- Department of Family, Population and Preventive Medicine, Stony Brook University, Stony Brook, New York
| | - Jennie L Williams
- Department of Family, Population and Preventive Medicine, Stony Brook University, Stony Brook, New York
| | - Lorne M Golub
- Department of Oral Biology and Pathology, Stony Brook University, Stony Brook, New York
| | - Francis Johnson
- Departments of Chemistry and of Pharmacological Sciences, Stony Brook University, Stony Brook, New York
| | - Gerardo G Mackenzie
- Department of Family, Population and Preventive Medicine, Stony Brook University, Stony Brook, New York.,Stony Brook Cancer Center, Stony Brook, New York.,Department of Nutrition, University of California, Davis, California
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21
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Kollisch-Singule M, Jain SV, Satalin J, Andrews P, Searles Q, Liu Z, Zhou Y, Wang G, Meier AH, Gatto LA, Nieman GF, Habashi NM. Limiting ventilator-associated lung injury in a preterm porcine neonatal model. J Pediatr Surg 2017; 52:50-55. [PMID: 27837992 DOI: 10.1016/j.jpedsurg.2016.10.020] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2016] [Accepted: 10/20/2016] [Indexed: 01/28/2023]
Abstract
PURPOSE Preterm infants are prone to respiratory distress syndrome (RDS), with severe cases requiring mechanical ventilation for support. However, there are no clear guidelines regarding the optimal ventilation strategy. We hypothesized that airway pressure release ventilation (APRV) would mitigate lung injury in a preterm porcine neonatal model. METHODS Preterm piglets were delivered on gestational day 98 (85% of 115day term), instrumented, and randomized to volume guarantee (VG; n=10) with low tidal volumes (5.5cm3kg-1) and PEEP 4cmH2O or APRV (n=10) with initial ventilator settings: PHigh 18cmH2O, PLow 0cmH2O, THigh 1.30s, TLow 0.15s. Ventilator setting changes were made in response to clinical parameters in both groups. Animals were monitored continuously for 24hours. RESULTS The mortality rates between the two groups were not significantly different (p>0.05). The VG group had relatively increased oxygen requirements (FiO2 50%±9%) compared with the APRV group (FiO2 28%±5%; p>0.05) and a decrease in PaO2/FiO2 ratio (VG 162±33mmHg; APRV 251±45mmHg; p<0.05). The compliance of the VG group (0.51±0.07L·cmH2O-1) was significantly less than the APRV group (0.90±0.06L·cmH2O-1; p<0.05). CONCLUSION This study demonstrates that APRV improves oxygenation and compliance as compared with VG. This preliminary work suggests further study into the clinical uses of APRV in the neonate is warranted. LEVEL OF EVIDENCE Not Applicable (Basic Science Animal Study).
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Affiliation(s)
| | - Sumeet V Jain
- Department of Surgery, SUNY Upstate Medical University, 750 E. Adams St., Syracuse, NY, 13210, USA.
| | - Joshua Satalin
- Department of Surgery, SUNY Upstate Medical University, 750 E. Adams St., Syracuse, NY, 13210, USA.
| | - Penny Andrews
- Department of Trauma Critical Care Medicine, R Adams Cowley Shock Trauma Center, University of Maryland School of Medicine, 22 S. Greene St., Baltimore, MD, 21201, USA.
| | - Quinn Searles
- Department of Surgery, SUNY Upstate Medical University, 750 E. Adams St., Syracuse, NY, 13210, USA.
| | - Zhiyong Liu
- Department of Surgery, SUNY Upstate Medical University, 750 E. Adams St., Syracuse, NY, 13210, USA.
| | - Yan Zhou
- Department of Surgery, SUNY Upstate Medical University, 750 E. Adams St., Syracuse, NY, 13210, USA.
| | - Guirong Wang
- Department of Surgery, SUNY Upstate Medical University, 750 E. Adams St., Syracuse, NY, 13210, USA.
| | - Andreas H Meier
- Department of Surgery, SUNY Upstate Medical University, 750 E. Adams St., Syracuse, NY, 13210, USA.
| | - Louis A Gatto
- Department of Surgery, SUNY Upstate Medical University, 750 E. Adams St., Syracuse, NY, 13210, USA; Department of Biological Sciences, SUNY Cortland, 22 Graham Ave, Cortland, NY, 13045, USA.
| | - Gary F Nieman
- Department of Surgery, SUNY Upstate Medical University, 750 E. Adams St., Syracuse, NY, 13210, USA.
| | - Nader M Habashi
- Department of Trauma Critical Care Medicine, R Adams Cowley Shock Trauma Center, University of Maryland School of Medicine, 22 S. Greene St., Baltimore, MD, 21201, USA.
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