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Matsuyama T, Yoshinaga SK, Shibue K, Mak TW. Comorbidity-associated glutamine deficiency is a predisposition to severe COVID-19. Cell Death Differ 2021; 28:3199-3213. [PMID: 34663907 PMCID: PMC8522258 DOI: 10.1038/s41418-021-00892-y] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2021] [Revised: 09/30/2021] [Accepted: 10/04/2021] [Indexed: 12/15/2022] Open
Abstract
SARS-CoV-2 vaccinations have greatly reduced COVID-19 cases, but we must continue to develop our understanding of the nature of the disease and its effects on human immunity. Previously, we suggested that a dysregulated STAT3 pathway following SARS-Co-2 infection ultimately leads to PAI-1 activation and cascades of pathologies. The major COVID-19-associated metabolic risks (old age, hypertension, cardiovascular diseases, diabetes, and obesity) share high PAI-1 levels and could predispose certain groups to severe COVID-19 complications. In this review article, we describe the common metabolic profile that is shared between all of these high-risk groups and COVID-19. This profile not only involves high levels of PAI-1 and STAT3 as previously described, but also includes low levels of glutamine and NAD+, coupled with overproduction of hyaluronan (HA). SARS-CoV-2 infection exacerbates this metabolic imbalance and predisposes these patients to the severe pathophysiologies of COVID-19, including the involvement of NETs (neutrophil extracellular traps) and HA overproduction in the lung. While hyperinflammation due to proinflammatory cytokine overproduction has been frequently documented, it is recently recognized that the immune response is markedly suppressed in some cases by the expansion and activity of MDSCs (myeloid-derived suppressor cells) and FoxP3+ Tregs (regulatory T cells). The metabolomics profiles of severe COVID-19 patients and patients with advanced cancer are similar, and in high-risk patients, SARS-CoV-2 infection leads to aberrant STAT3 activation, which promotes a cancer-like metabolism. We propose that glutamine deficiency and overproduced HA is the central metabolic characteristic of COVID-19 and its high-risk groups. We suggest the usage of glutamine supplementation and the repurposing of cancer drugs to prevent the development of severe COVID-19 pneumonia.
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Affiliation(s)
- Toshifumi Matsuyama
- Department of Pathology, Nagasaki University Graduate School of Biomedical Sciences, 1-12-4 Sakamoto, Nagasaki, 852-8523, Japan.
| | | | - Kimitaka Shibue
- Tazuke Kofukai Medical Research Institute, Kitano Hospital, Osaka, Japan
| | - Tak W Mak
- Princess Margaret Cancer Centre, University Health Network, 610 University Avenue, Toronto, ON, M5G 2M9, Canada
- Department of Medical Biophysics, University of Toronto, 101 College Street, Toronto, ON, M5G 1L7, Canada
- Department of Immunology, University of Toronto, 101 College Street, Toronto, ON, M5G 1L7, Canada
- Department of Pathology, University of Hong Kong, Hong Kong, Pok Fu Lam, 999077, Hong Kong
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2
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SARS-CoV-2 B.1.1.7 (alpha) and B.1.351 (beta) variants induce pathogenic patterns in K18-hACE2 transgenic mice distinct from early strains. Nat Commun 2021; 12:6559. [PMID: 34772941 PMCID: PMC8589842 DOI: 10.1038/s41467-021-26803-w] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Accepted: 10/18/2021] [Indexed: 12/21/2022] Open
Abstract
SARS-CoV-2 variants of concern (VOC) B.1.1.7 (alpha) and B.1.351 (beta) show increased transmissibility and enhanced antibody neutralization resistance. Here we demonstrate in K18-hACE2 transgenic mice that B.1.1.7 and B.1.351 are 100-fold more lethal than the original SARS-CoV-2 bearing 614D. B.1.1.7 and B.1.351 cause more severe organ lesions in K18-hACE2 mice than early SARS-CoV-2 strains bearing 614D or 614G, with B.1.1.7 and B.1.351 infection resulting in distinct tissue-specific cytokine signatures, significant D-dimer depositions in vital organs and less pulmonary hypoxia signaling before death. However, K18-hACE2 mice with prior infection of early SARS-CoV-2 strains or intramuscular immunization of viral spike or receptor binding domain are resistant to the lethal reinfection of B.1.1.7 or B.1.351, despite having reduced neutralization titers against these VOC than early strains. Our results thus distinguish pathogenic patterns in K18-hACE2 mice caused by B.1.1.7 and B.1.351 infection from those induced by early SARS-CoV-2 strains, and help inform potential medical interventions for combating COVID-19. Mutant SARS-CoV-2 strains such as B.1.1.7 and B.1.351 have been termed variants of concerns (VoC) due to their enhanced virulence. Here the authors show, using K18-hACE2 transgenic mouse models, that these two VoCs are also more pathogenic in mice, and induce immunity and pathology distinct from those from the earlier variants.
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3
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Giacomelli C, Piccarducci R, Marchetti L, Romei C, Martini C. Pulmonary fibrosis from molecular mechanisms to therapeutic interventions: lessons from post-COVID-19 patients. Biochem Pharmacol 2021; 193:114812. [PMID: 34687672 PMCID: PMC8546906 DOI: 10.1016/j.bcp.2021.114812] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/14/2021] [Accepted: 10/15/2021] [Indexed: 02/07/2023]
Abstract
Pulmonary fibrosis (PF) is characterised by several grades of chronic inflammation and collagen deposition in the interalveolar space and is a hallmark of interstitial lung diseases (ILDs). Recently, infectious agents have emerged as driving causes for PF development; however, the role of viral/bacterial infections in the initiation and propagation of PF is still debated. In this context, the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), the virus responsible for the current coronavirus disease 2019 (COVID-19) pandemic, has been associated with acute respiratory distress syndrome (ARDS) and PF development. Although the infection by SARS-CoV-2 can be eradicated in most cases, the development of fibrotic lesions cannot be precluded; furthermore, whether these lesions are stable or progressive fibrotic events is still unknown. Herein, an overview of the main molecular mechanisms driving the fibrotic process together with the currently approved and newly proposed therapeutic solutions was given. Then, the most recent data that emerged from post-COVID-19 patients was discussed, in order to compare PF and COVID-19-dependent PF, highlighting shared and specific mechanisms. A better understanding of PF aetiology is certainly needed, also to develop effective therapeutic strategies and COVID-19 pathology is offering one more chance to do it. Overall, the work reported here could help to define new approaches for therapeutic intervention in the diversity of the ILD spectrum.
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Affiliation(s)
- Chiara Giacomelli
- Department of Pharmacy, University of Pisa, Via Bonanno 6, Pisa 56126, Italy
| | - Rebecca Piccarducci
- Department of Pharmacy, University of Pisa, Via Bonanno 6, Pisa 56126, Italy
| | - Laura Marchetti
- Department of Pharmacy, University of Pisa, Via Bonanno 6, Pisa 56126, Italy
| | - Chiara Romei
- Multidisciplinary Team of Interstitial Lung Disease, Radiology Department, Pisa University Hospital, Via Paradisa 2, Pisa 56124, Italy
| | - Claudia Martini
- Department of Pharmacy, University of Pisa, Via Bonanno 6, Pisa 56126, Italy,Corresponding author
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4
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Nicholas BD, Kiprovski A, Perez D, Mehta R, Murphy MK, Li Z, Tampio A. Changes in Eustachian Tube Mucosa in Mice After Short-Term Tobacco and E-cigarette Smoke Exposure. Laryngoscope 2021; 132:648-654. [PMID: 34599608 DOI: 10.1002/lary.29887] [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: 05/04/2021] [Revised: 08/05/2021] [Accepted: 08/30/2021] [Indexed: 11/09/2022]
Abstract
OBJECTIVES To evaluate histologic changes in middle ear and eustachian tube (ET) mucosa of mice after exposure to tobacco or electronic cigarette (e-cigarette) smoke. To determine whether there were any mitigating effects of middle ear application of anti-IL-13 or the epidermal growth factor receptor antagonist AG1478 on noted changes within ET mucosa. STUDY DESIGN Controlled animal study. METHODS Fifty BALB/cJ mice were randomly assigned to one of five groups: A control group with no smoke exposure, two groups exposed to tobacco smoke, and two groups exposed to e-cigarette vapor. Within the exposed groups after 4 weeks of exposure, one ear was infiltrated with a saline hydrogel and the other ear with hydrogel of either Anti-IL-13 or AG1478. After four more weeks of exposure, the animals were euthanized and the ETs were evaluated for mucosal changes. RESULTS Compared to control animals with no smoke exposure, there were significant decreases in the numbers of goblet cells within the ET mucosa of mice exposed to tobacco smoke and e-cigarette vapor. No significant differences in cilia, mucin, or squamous metaplasia were noted. Neither anti-IL-13 nor AG178 significantly altered goblet cell count in the ET mucosa of mice exposed to tobacco smoke; however, both agents significantly increased goblet cells within the ET mucosa of mice exposed to e-cigarette vapor. CONCLUSION Short-term tobacco smoke and e-cigarette vapor significantly decrease goblet cell count in mouse ET mucosa. Middle ear application of both anti-IL-13 and AG1478 resulted in an increase in goblet cell count among mice exposed to e-cigarette vapor, but not to tobacco smoke. LEVEL OF EVIDENCE NA Laryngoscope, 2021.
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Affiliation(s)
- Brian D Nicholas
- Department of Otolaryngology-Head and Neck Surgery, Upstate Medical University, Syracuse, New York, U.S.A
| | | | - Diandra Perez
- Department of Pathology, Upstate Medical University, Syracuse, New York, U.S.A
| | - Rohin Mehta
- Department of Pathology, Upstate Medical University, Syracuse, New York, U.S.A
| | - Michael K Murphy
- Department of Otolaryngology-Head and Neck Surgery, Upstate Medical University, Syracuse, New York, U.S.A
| | - Zhenfeng Li
- Department of Applied Statistics, Syracuse University, Syracuse, New York, U.S.A
| | - Alex Tampio
- Department of Otolaryngology-Head and Neck Surgery, Upstate Medical University, Syracuse, New York, U.S.A
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Al-Kuraishy HM, Al-Gareeb AI, Faidah H, Alexiou A, Batiha GES. Testosterone in COVID-19: An Adversary Bane or Comrade Boon. Front Cell Infect Microbiol 2021; 11:666987. [PMID: 34568081 PMCID: PMC8455954 DOI: 10.3389/fcimb.2021.666987] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Accepted: 08/16/2021] [Indexed: 12/17/2022] Open
Abstract
COVID-19 is a pandemic disease caused by severe acute respiratory coronavirus 2 (SARS-CoV-2), which leads to pulmonary manifestations like acute lung injury (ALI) and acute respiratory distress syndrome (ARDS). In addition, COVID-19 may cause extra-pulmonary manifestation such as testicular injury. Both high and low levels of testosterone could affect the severity of COVID-19. Herein, there is substantial controversy regarding the potential role of testosterone in SARS-CoV-2 infection and COVID-19 severity. Therefore, the present study aimed to review and elucidate the assorted view of preponderance regarding the beneficial and harmful effects of testosterone in COVID-19. A related literature search in PubMed, Scopus, Web of Science, Google Scholar, and Science Direct was done. All published articles related to the role of testosterone and COVID-19 were included in this mini-review. The beneficial effects of testosterone in COVID-19 are through inhibition of pro-inflammatory cytokines, augmentation of anti-inflammatory cytokines, modulation of the immune response, attenuation of oxidative stress, and endothelial dysfunction. However, its harmful effects in COVID-19 are due to augmentation of transmembrane protease serine 2 (TMPRSS2), which is essential for cleaving and activating SARS-CoV-2 spike protein during acute SARS-CoV-2 infection. Most published studies illustrated that low testosterone levels are linked to COVID-19 severity. A low testosterone level in COVID-19 is mainly due to testicular injury, the primary source of testosterone.
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Affiliation(s)
- Hayder M Al-Kuraishy
- Department of Clinical Pharmacology and Medicine, College of Medicine, ALmustansiriyia University, Baghdad, Iraq
| | - Ali I Al-Gareeb
- Department of Clinical Pharmacology and Medicine, College of Medicine, ALmustansiriyia University, Baghdad, Iraq
| | - Hani Faidah
- Faculty of Medicine, Umm Al Qura University, Mecca, Saudi Arabia
| | - Athanasios Alexiou
- Department of Science and Engineering, Novel Global Community Educational Foundation, Hebersham, NSW, Australia.,AFNP Med Austria, Wien, Austria
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, Damanhour, Egypt
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Ceryn J, Niedźwiedź M, Skibińska M, Ciążyńska M, Lesiak A, Narbutt J. COVID-19 in Patients with Atopic Dermatitis Treated with Dupilumab: Three Cases and a Literature Review. Clin Cosmet Investig Dermatol 2021; 14:1131-1138. [PMID: 34475772 PMCID: PMC8407774 DOI: 10.2147/ccid.s321003] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2021] [Accepted: 07/14/2021] [Indexed: 12/30/2022]
Abstract
There are limited clinical data on the impact of the SARS-CoV2 infection on patients with dermatological conditions treated with biologics. Dupilumab is a recombinant human IgG4 human monoclonal antibody that inhibits IL4 and IL13 signaling, and is used for moderate–severe atopic dermatitis treatment. We present three patients with atopic dermatitis (AD) treated with dupilumab who contracted COVID-19. In all patients, the infection had a mild course, and only in one, as documented by SCORAD, EASI, and DLQI scores, the condition of the skin deteriorated, and a prolonged positive PCR COVID-19 test was observed. The mechanism of dupilumab action and more evidence for IL13 importance in lung damage caused by SARS-CoV2 suggest a possible explanation for a mild–moderate course of the infection in treated AD patients. Based on current knowledge, there is evidence to continue dupilumab treatment in AD patients with mild–moderate COVID-19; however, careful assessment is needed for each patient.
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Affiliation(s)
- Justyna Ceryn
- Department of Dermatology, Pediatric Dermatology and Dermatological Oncology, International Doctoral School of the Medical University of Lodz, Lodz, 91-347, Poland
| | - Michał Niedźwiedź
- Department of Dermatology, Pediatric Dermatology and Dermatological Oncology, International Doctoral School of the Medical University of Lodz, Lodz, 91-347, Poland
| | - Małgorzata Skibińska
- Department of Dermatology, Pediatric Dermatology and Dermatological Oncology, International Doctoral School of the Medical University of Lodz, Lodz, 91-347, Poland
| | - Magdalena Ciążyńska
- Department of Proliferative Diseases, Nicolaus Copernicus Multidisciplinary Centre for Oncology and Traumatology, Lodz, Poland
| | - Aleksandra Lesiak
- Department of Dermatology, Pediatric Dermatology and Dermatological Oncology, International Doctoral School of the Medical University of Lodz, Lodz, 91-347, Poland
| | - Joanna Narbutt
- Department of Dermatology, Pediatric Dermatology and Dermatological Oncology, International Doctoral School of the Medical University of Lodz, Lodz, 91-347, Poland
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Wirtz S, Schulz-Kuhnt A, Neurath MF, Atreya I. Functional Contribution and Targeted Migration of Group-2 Innate Lymphoid Cells in Inflammatory Lung Diseases: Being at the Right Place at the Right Time. Front Immunol 2021; 12:688879. [PMID: 34177944 PMCID: PMC8222800 DOI: 10.3389/fimmu.2021.688879] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2021] [Accepted: 05/24/2021] [Indexed: 12/19/2022] Open
Abstract
During the last decade, group-2 innate lymphoid cells (ILC2s) have been discovered and successfully established as crucial mediators of lung allergy, airway inflammation and fibrosis, thus affecting the pathogenesis and clinical course of many respiratory diseases, like for instance asthma, cystic fibrosis and chronic rhinosinusitis. As an important regulatory component in this context, the local pulmonary milieu at inflammatory tissue sites does not only determine the activation status of lung-infiltrating ILC2s, but also influences their motility and migratory behavior. In general, many data collected in recent murine and human studies argued against the former concept of a very strict tissue residency of innate lymphoid cells (ILCs) and instead pointed to a context-dependent homing capacity of peripheral blood ILC precursors and the inflammation-dependent capacity of specific ILC subsets for interorgan trafficking. In this review article, we provide a comprehensive overview of the so far described molecular mechanisms underlying the pulmonary migration of ILC2s and thereby the numeric regulation of local ILC2 pools at inflamed or fibrotic pulmonary tissue sites and discuss their potential to serve as innovative therapeutic targets in the treatment of inflammatory lung diseases.
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Affiliation(s)
- Stefan Wirtz
- Department of Medicine 1, University Hospital of Erlangen, Erlangen, Germany
| | - Anja Schulz-Kuhnt
- Department of Medicine 1, University Hospital of Erlangen, Erlangen, Germany
| | - Markus F. Neurath
- Department of Medicine 1, University Hospital of Erlangen, Erlangen, Germany
- Deutsches Zentrum Immuntherapie (DZI), Erlangen, Germany
| | - Imke Atreya
- Department of Medicine 1, University Hospital of Erlangen, Erlangen, Germany
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8
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Kulkarni AR, Athavale AM, Sahni A, Sukhal S, Saini A, Itteera M, Zhukovsky S, Vernik J, Abraham M, Joshi A, Amarah A, Ruiz J, Hart PD, Kulkarni H. Deep learning model to predict the need for mechanical ventilation using chest X-ray images in hospitalised patients with COVID-19. BMJ INNOVATIONS 2021; 7:261-270. [PMID: 34192015 PMCID: PMC7931213 DOI: 10.1136/bmjinnov-2020-000593] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Revised: 01/18/2021] [Accepted: 02/13/2021] [Indexed: 01/28/2023]
Abstract
OBJECTIVES There exists a wide gap in the availability of mechanical ventilator devices and their acute need in the context of the COVID-19 pandemic. An initial triaging method that accurately identifies the need for mechanical ventilation in hospitalised patients with COVID-19 is needed. We aimed to investigate if a potentially deteriorating clinical course in hospitalised patients with COVID-19 can be detected using all X-ray images taken during hospitalisation. METHODS We exploited the well-established DenseNet121 deep learning architecture for this purpose on 663 X-ray images acquired from 528 hospitalised patients with COVID-19. Two Pulmonary and Critical Care experts blindly and independently evaluated the same X-ray images for the purpose of validation. RESULTS We found that our deep learning model predicted the need for mechanical ventilation with a high accuracy, sensitivity and specificity (90.06%, 86.34% and 84.38%, respectively). This prediction was done approximately 3 days ahead of the actual intubation event. Our model also outperformed two Pulmonary and Critical Care experts who evaluated the same X-ray images and provided an incremental accuracy of 7.24%-13.25%. CONCLUSIONS Our deep learning model accurately predicted the need for mechanical ventilation early during hospitalisation of patients with COVID-19. Until effective preventive or treatment measures become widely available for patients with COVID-19, prognostic stratification as provided by our model is likely to be highly valuable.
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Affiliation(s)
- Anoop R Kulkarni
- Innotomy Consulting, Bengaluru, India
- Lata Medical Research Foundation, Nagpur, India
| | - Ambarish M Athavale
- Department of Medicine, Division of Nephrology, Cook County Hospital, Chicago, Illinois, USA
| | - Ashima Sahni
- Division of Pulmonary, Critical Care, Sleep, and Allergy, University of Illinois Hospital and Health Sciences System, Chicago, Illinois, USA
| | - Shashvat Sukhal
- Department of Medicine, Division of Pulmonary and Critical Care, Cook County Hospital, Chicago, Illinois, USA
| | - Abhimanyu Saini
- Department of Medicine, Division of Cardiology, Cook County Hospital, Chicago, Illinois, USA
| | - Mathew Itteera
- Department of Medicine, Division of Nephrology, Cook County Hospital, Chicago, Illinois, USA
| | - Sara Zhukovsky
- Rush Medical College, Rush University Medical Center, Chicago, Illinois, USA
| | - Jane Vernik
- Department of Medicine, Division of Nephrology, Cook County Hospital, Chicago, Illinois, USA
| | - Mohan Abraham
- Department of Medicine, Division of Nephrology, Cook County Hospital, Chicago, Illinois, USA
| | - Amit Joshi
- Department of Medicine, Division of Nephrology, Cook County Hospital, Chicago, Illinois, USA
| | - Amatur Amarah
- Department of Medicine, Division of Nephrology, Cook County Hospital, Chicago, Illinois, USA
| | - Juan Ruiz
- Department of Medicine, Division of Nephrology, Cook County Hospital, Chicago, Illinois, USA
| | - Peter D Hart
- Department of Medicine, Division of Nephrology, Cook County Hospital, Chicago, Illinois, USA
| | - Hemant Kulkarni
- Lata Medical Research Foundation, Nagpur, India
- M&H Research LLC, San Antonio, Texas, USA
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Expression and co-expression analyses of TMPRSS2, a key element in COVID-19. Eur J Clin Microbiol Infect Dis 2020; 40:451-455. [PMID: 33245471 PMCID: PMC7693853 DOI: 10.1007/s10096-020-04089-y] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 10/28/2020] [Indexed: 01/08/2023]
Abstract
The ACE2 receptor is, so far, the best-known host factor for SARS-CoV-2 entry, but another essential element, the TMPRSS2 protease, has recently been identified. Here, we have analysed TMPRSS2 expression data in the lung correlating them with age, sex, diabetes, smoking habits, exposure to pollutant and other stimuli, in order to highlight which factors might alter TMPRSS2 expression, and thus impact the susceptibility to infection and COVID-19 prognosis. Moreover, we reported TMPRSS2 polymorphisms affecting its expression and suggested the ethnic groups more prone to COVID-19. Finally, we also highlighted a gender-specific co-expression between TMPRSS2 and other genes related to SARS-CoV-2 entry, maybe explaining the higher observed susceptibility of infection in men. Our results could be useful in designing potential prevention and treatment strategies regarding the COVID-19.
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