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Tan JY, Anderson DE, Rathore AP, O’Neill A, Mantri CK, Saron WA, Lee CQ, Cui CW, Kang AE, Foo R, Kalimuddin S, Low JG, Ho L, Tambyah P, Burke TW, Woods CW, Chan KR, Karhausen J, St. John AL. Mast cell activation in lungs during SARS-CoV-2 infection associated with lung pathology and severe COVID-19. J Clin Invest 2023; 133:e149834. [PMID: 37561585 PMCID: PMC10541193 DOI: 10.1172/jci149834] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Accepted: 08/08/2023] [Indexed: 08/12/2023] Open
Abstract
Lung inflammation is a hallmark of Coronavirus disease 2019 (COVID-19) in patients who are severely ill, and the pathophysiology of disease is thought to be immune mediated. Mast cells (MCs) are polyfunctional immune cells present in the airways, where they respond to certain viruses and allergens and often promote inflammation. We observed widespread degranulation of MCs during acute and unresolved airway inflammation in SARS-CoV-2-infected mice and nonhuman primates. Using a mouse model of MC deficiency, MC-dependent interstitial pneumonitis, hemorrhaging, and edema in the lung were observed during SARS-CoV-2 infection. In humans, transcriptional changes in patients requiring oxygen supplementation also implicated cells with a MC phenotype in severe disease. MC activation in humans was confirmed through detection of MC-specific proteases, including chymase, the levels of which were significantly correlated with disease severity and with biomarkers of vascular dysregulation. These results support the involvement of MCs in lung tissue damage during SARS-CoV-2 infection in animal models and the association of MC activation with severe COVID-19 in humans, suggesting potential strategies for intervention.
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Affiliation(s)
- Janessa Y.J. Tan
- Program in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
| | - Danielle E. Anderson
- The Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, Victoria, Australia
- Victorian Infectious Diseases Reference Laboratory, Melbourne, Victoria, Australia
| | - Abhay P.S. Rathore
- Department of Pathology, Duke University Medical Center, Durham, North Carolina, USA
| | - Aled O’Neill
- Program in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
| | | | | | - Cheryl Q.E. Lee
- Duke-NUS Medical School, Program in Cardiovascular and Metabolic Disorders, Singapore
| | - Chu Wern Cui
- Duke-NUS Medical School, Program in Cardiovascular and Metabolic Disorders, Singapore
| | - Adrian E.Z. Kang
- Program in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
| | - Randy Foo
- Program in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
| | - Shirin Kalimuddin
- Program in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
- Department of Infectious Diseases, Singapore General Hospital, Singapore
| | - Jenny G. Low
- Program in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
- Department of Infectious Diseases, Singapore General Hospital, Singapore
| | - Lena Ho
- Duke-NUS Medical School, Program in Cardiovascular and Metabolic Disorders, Singapore
| | - Paul Tambyah
- Infectious Diseases Translational Research Programme, Department of Medicine, Yong Loo Lin School of Medicine, National University of Singapore, Singapore
- Division of Infectious Disease, University Medicine Cluster, National University Hospital, Singapore
| | - Thomas W. Burke
- Center for Applied Genomics and Precision Medicine, Duke University Medical Center, Durham, North Carolina, USA
| | - Christopher W. Woods
- Center for Applied Genomics and Precision Medicine, Duke University Medical Center, Durham, North Carolina, USA
- Division of Infectious Diseases, Duke University Medical Center, Durham VA Medical Center, Durham, North Carolina, USA
| | - Kuan Rong Chan
- Program in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
| | - Jörn Karhausen
- Department of Pathology, Duke University Medical Center, Durham, North Carolina, USA
- Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina, USA
| | - Ashley L. St. John
- Program in Emerging Infectious Diseases, Duke-NUS Medical School, Singapore
- Department of Pathology, Duke University Medical Center, Durham, North Carolina, USA
- Department of Microbiology and Immunology, National University of Singapore, Singapore
- SingHealth Duke-NUS Global Health Institute, Singapore
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Tan J, Anderson DE, Rathore APS, O'Neill A, Mantri CK, Saron WAA, Lee C, Cui CW, Kang AEZ, Foo R, Kalimuddin S, Low JG, Ho L, Tambyah P, Burke TW, Woods CW, Chan KR, Karhausen J, John ALS. Signatures of mast cell activation are associated with severe COVID-19. medRxiv 2021. [PMID: 34100020 DOI: 10.1101/2021.05.31.21255594] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Lung inflammation is a hallmark of Coronavirus disease 2019 (COVID-19) in severely ill patients and the pathophysiology of disease is thought to be immune-mediated. Mast cells (MCs) are polyfunctional immune cells present in the airways, where they respond to certain viruses and allergens, often promoting inflammation. We observed widespread degranulation of MCs during acute and unresolved airway inflammation in SARS-CoV-2-infected mice and non-human primates. In humans, transcriptional changes in patients requiring oxygen supplementation also implicated cells with a MC phenotype. MC activation in humans was confirmed, through detection of the MC-specific protease, chymase, levels of which were significantly correlated with disease severity. These results support the association of MC activation with severe COVID-19, suggesting potential strategies for intervention.
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Cui CW, Ji SL, Ren HY. Determination of steroid estrogens in wastewater treatment plant of a controceptives producing factory. Environ Monit Assess 2006; 121:409-19. [PMID: 16758282 DOI: 10.1007/s10661-005-9139-8] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2005] [Accepted: 11/14/2005] [Indexed: 05/10/2023]
Abstract
Steroid estrogens such as estrone (E1), 17beta-estradiol (E2), estriol (E3), and 17alpha-ethynylestradiol (EE2) have been suspected to be the main contaminants, which can affect the endocrine system of animals. Many authors have investigated these chemicals in the domestic wastewater treatment plants (WTP). However, wastewater from industries producing steroid contraceptives has not got ample attention. From the environmental point of view, the four steroids are very significant because even very low concentrations (ng/L) can cause reproductive disturbances in human, livestock and wildlife. The main purpose of the present investigation was to develop an analytical method for the determination of the four steroid estrogens present in WTP of a pharmacy factory, mainly producing contraceptive medicine in Beijing, China. Analysis was performed by solid-phase extraction (SPE) system and liquid chromatography combined with tandem mass spectrometry (LC/MS/MS). The average recoveries from effluent samples ranged from 88% to 103% and the precision of the method ranged from 9% to 4%. Based on 0.5-L wastewater samples, the limit of quantification (LOQ) was determined at 0.7 ng/L for E1, 0.8 for E2, 0.9 ng/L for E3, and 0.5 ng/L for EE2 in influent, and 1.0 ng/L for E2 and EE2, and 2.0 ng/L for E1 and E3 in effluent. In the influent samples, average concentrations of 80, 85, 73 and 155 ng/L were determined for E1, E2, E3 and EE2, respectively, showing that they were removed in this WTP to the extent of 79, 73, 85 and 67%, respectively.
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Affiliation(s)
- C W Cui
- College of Environment and Energy Engineering, Beijing University of Technology, Beijing 100022, China
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