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Li J, Kong X, Liu T, Xian M, Wei J. The Role of ACE2 in Neurological Disorders: From Underlying Mechanisms to the Neurological Impact of COVID-19. Int J Mol Sci 2024; 25:9960. [PMID: 39337446 PMCID: PMC11431863 DOI: 10.3390/ijms25189960] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2024] [Revised: 09/06/2024] [Accepted: 09/12/2024] [Indexed: 09/30/2024] Open
Abstract
Angiotensin-converting enzyme 2 (ACE2) has become a hot topic in neuroscience research in recent years, especially in the context of the global COVID-19 pandemic, where its role in neurological diseases has received widespread attention. ACE2, as a multifunctional metalloprotease, not only plays a critical role in the cardiovascular system but also plays an important role in the protection, development, and inflammation regulation of the nervous system. The COVID-19 pandemic further highlights the importance of ACE2 in the nervous system. SARS-CoV-2 enters host cells by binding to ACE2, which may directly or indirectly affect the nervous system, leading to a range of neurological symptoms. This review aims to explore the function of ACE2 in the nervous system as well as its potential impact and therapeutic potential in various neurological diseases, providing a new perspective for the treatment of neurological disorders.
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Affiliation(s)
- Jingwen Li
- Institute for Brain Sciences Research, School of Life Sciences, Henan University, Kaifeng 475004, China
- Institute for Sports and Brain Health, School of Physical Education, Henan University, Kaifeng 475004, China
| | - Xiangrui Kong
- Institute for Brain Sciences Research, School of Life Sciences, Henan University, Kaifeng 475004, China
- Institute for Sports and Brain Health, School of Physical Education, Henan University, Kaifeng 475004, China
| | - Tingting Liu
- Institute for Brain Sciences Research, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Meiyan Xian
- Institute for Brain Sciences Research, School of Life Sciences, Henan University, Kaifeng 475004, China
| | - Jianshe Wei
- Institute for Brain Sciences Research, School of Life Sciences, Henan University, Kaifeng 475004, China
- Institute for Sports and Brain Health, School of Physical Education, Henan University, Kaifeng 475004, China
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2
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Wattanachayakul P, Suenghataiphorn T, Srikulmontri T, Rujirachun P, Malin J, Danpanichkul P, Polpichai N, Saowapa S, Casipit BA, Amanullah A. Impact of COVID-19 infection on the in-hospital outcome of patients hospitalized for heart failure with comorbid atrial fibrillation: Insight from the National Inpatient Sample (NIS) database 2020. J Arrhythm 2024; 40:895-902. [PMID: 39139900 PMCID: PMC11317655 DOI: 10.1002/joa3.13071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2024] [Revised: 04/14/2024] [Accepted: 05/06/2024] [Indexed: 08/15/2024] Open
Abstract
Introduction Atrial fibrillation (AF) and heart failure (HF) commonly coexist, resulting in adverse health and economic consequences such as declining ventricular function, heightened mortality, and reduced quality of life. However, limited information exists on the impact of COVID-19 on AF patients that hospitalized for HF. Methods We analyzed the 2020 U.S. National Inpatient Sample to investigate the effects of COVID-19 on AF patients that primarily hospitalized for HF. Participants aged 18 and above were identified using relevant ICD-10 CM codes. Adjusted odds ratios for outcomes were calculated through multivariable logistic regression. The primary outcome was inpatient mortality, with secondary outcomes including system-based complications. Results We identified 322,090 patients with primary discharge diagnosis of HF with comorbid AF. Among them, 0.73% (2355/322,090) also had a concurrent diagnosis of COVID-19. In a survey multivariable logistic and linear regression model adjusting for patient and hospital factors, COVID-19 infection was associated with higher in-hospital mortality (aOR 3.17; 95% CI 2.25, 4.47, p < 0.001), prolonged length of stay (β LOS 2.82; 95% CI 1.71, 3.93, p < 0.001), acute myocarditis (aOR 6.64; 95% CI 1.45, 30.45, p 0.015), acute kidney injury (AKI) (aOR 1.48; 95% CI 1.21, 1.82, p < 0.001), acute respiratory failure (aOR 1.24; 95% CI 1.01, 1.52, p 0.045), and mechanical ventilation (aOR 2.00; 95% CI 1.28, 3.13, p 0.002). Conclusion Our study revealed that COVID-19 is linked to higher in-hospital mortality and increased adverse outcomes in AF patients hospitalized for HF.
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Affiliation(s)
- Phuuwadith Wattanachayakul
- Department of Medicine, Jefferson Einstein HospitalPhiladelphiaPennsylvaniaUSA
- Sidney Kimmel Medical CollegeThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | | | | | | | - John Malin
- Department of Medicine, Jefferson Einstein HospitalPhiladelphiaPennsylvaniaUSA
- Sidney Kimmel Medical CollegeThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | | | | | | | - Bruce A. Casipit
- Department of Medicine, Jefferson Einstein HospitalPhiladelphiaPennsylvaniaUSA
- Sidney Kimmel Medical CollegeThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
| | - Aman Amanullah
- Sidney Kimmel Medical CollegeThomas Jefferson UniversityPhiladelphiaPennsylvaniaUSA
- Division of Cardiovascular DiseaseJefferson Einstein HospitalPhiladelphiaPennsylvaniaUSA
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3
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Nobrega GM, Jones BR, Mysorekar IU, Costa ML. Preeclampsia in the Context of COVID-19: Mechanisms, Pathophysiology, and Clinical Outcomes. Am J Reprod Immunol 2024; 92:e13915. [PMID: 39132825 PMCID: PMC11384281 DOI: 10.1111/aji.13915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 07/14/2024] [Accepted: 07/29/2024] [Indexed: 08/13/2024] Open
Abstract
The emergence of the severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has led to the global COVID-19 pandemic, significantly impacting the health of pregnant women. Obstetric populations, already vulnerable, face increased morbidity and mortality related to COVID-19, aggravated by preexisting comorbidities. Recent studies have shed light on the potential correlation between COVID-19 and preeclampsia (PE), a leading cause of maternal and perinatal morbidity worldwide, emphasizing the significance of exploring the relationship between these two conditions. Here, we review the pathophysiological similarities that PE shares with COVID-19, with a particular focus on severe COVID-19 cases and in PE-like syndrome cases related with SARS-CoV-2 infection. We highlight cellular and molecular mechanistic inter-connectivity between these two conditions, for example, regulation of renin-angiotensin system, tight junction and barrier integrity, and the complement system. Finally, we discuss how COVID-19 pandemic dynamics, including the emergence of variants and vaccination efforts, has shaped the clinical scenario and influenced the severity and management of both COVID-19 and PE. Continued research on the mechanisms of SARS-CoV-2 infection during pregnancy and the potential risk of developing PE from previous infections is warranted to delineate the complexities of COVID-19 and PE interactions and to improve clinical management of both conditions.
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Affiliation(s)
- Guilherme M Nobrega
- Department of Obstetrics and Gynecology, School of Medical Sciences, University of Campinas, Campinas, São Paulo, Brazil
- Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, Texas, USA
| | - Brittany R Jones
- Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, Texas, USA
| | - Indira U Mysorekar
- Department of Medicine, Section of Infectious Diseases, Baylor College of Medicine, Houston, Texas, USA
- Department of Molecular Virology and Microbiology, Baylor College of Medicine, Houston, Texas, USA
- Huffington Center on Aging, Baylor College of Medicine, Houston, Texas, USA
| | - Maria Laura Costa
- Department of Obstetrics and Gynecology, School of Medical Sciences, University of Campinas, Campinas, São Paulo, Brazil
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Meier M, Becker S, Levine E, DuFresne O, Foster K, Moore J, Burnett FN, Hermanns VC, Heath SP, Abdelsaid M, Coucha M. Timing matters in the use of renin-angiotensin system modulators and COVID-related cognitive and cerebrovascular dysfunction. PLoS One 2024; 19:e0304135. [PMID: 39074114 DOI: 10.1371/journal.pone.0304135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2024] [Accepted: 05/07/2024] [Indexed: 07/31/2024] Open
Abstract
Renin-angiotensin system (RAS) modulators, including Angiotensin receptor blockers (ARB) and angiotensin-converting enzyme inhibitors (ACEI), are effective medications for controlling blood pressure. Cognitive deficits, including lack of concentration, memory loss, and confusion, were reported after COVID-19 infection. ARBs or ACEI increase the expression of angiotensin-converting enzyme-2 (ACE-2), a functional receptor that allows binding of SARS-CoV-2 spike protein for cellular invasion. To date, the association between the use of RAS modulators and the severity of COVID-19 cognitive dysfunction is still controversial. PURPOSE This study addressed the following questions: 1) Does prior treatment with RAS modulator worsen COVID-19-induced cerebrovascular and cognitive dysfunction? 2) Can post-treatment with RAS modulator improve cognitive performance and cerebrovascular function following COVID-19? We hypothesize that pre-treatment exacerbates COVID-19-induced detrimental effects while post-treatment displays protective effects. METHODS Clinical study: Patients diagnosed with COVID-19 between May 2020 and December 2022 were identified through the electronic medical record system. Inclusion criteria comprised a documented medical history of hypertension treated with at least one antihypertensive medication. Subsequently, patients were categorized into two groups: those who had been prescribed ACEIs or ARBs before admission and those who had not received such treatment before admission. Each patient was evaluated on admission for signs of neurologic dysfunction. Pre-clinical study: Humanized ACE-2 transgenic knock-in mice received the SARS-CoV-2 spike protein via jugular vein injection for 2 weeks. One group had received Losartan (10 mg/kg), an ARB, in their drinking water for two weeks before the injection, while the other group began Losartan treatment after the spike protein injection. Cognitive functions, cerebral blood flow, and cerebrovascular density were determined in all experimental groups. Moreover, vascular inflammation and cell death were assessed. RESULTS Signs of neurological dysfunction were observed in 97 out of 177 patients (51%) taking ACEIs/ARBs prior to admission, compared to 32 out of 118 patients (27%) not receiving ACEI or ARBs. In animal studies, spike protein injection increased vascular inflammation, increased endothelial cell apoptosis, and reduced cerebrovascular density. In parallel, spike protein decreased cerebral blood flow and cognitive function. Our results showed that pretreatment with Losartan exacerbated these effects. However, post-treatment with Losartan prevented spike protein-induced vascular and neurological dysfunctions. CONCLUSION Our clinical data showed that the use of RAS modulators before encountering COVID-19 can initially exacerbate vascular and neurological dysfunctions. Similar findings were demonstrated in the in-vivo experiments; however, the protective effects of targeting the RAS become apparent in the animal model when the treatment is initiated after spike protein injection.
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Affiliation(s)
- Mackenzi Meier
- Department of Pharmacy Practice, School of Pharmacy, South University, Savannah, Georgia, United States of America
| | - Sara Becker
- Department of Pharmacy Practice, School of Pharmacy, South University, Savannah, Georgia, United States of America
| | - Erica Levine
- Department of Pharmacy Practice, School of Pharmacy, South University, Savannah, Georgia, United States of America
| | - Oriana DuFresne
- Department of Pharmacy Practice, School of Pharmacy, South University, Savannah, Georgia, United States of America
| | - Kaleigh Foster
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, Georgia, United States of America
| | - Joshua Moore
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, Georgia, United States of America
| | - Faith N Burnett
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, Georgia, United States of America
| | - Veronica C Hermanns
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, Georgia, United States of America
| | - Stan P Heath
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, Georgia, United States of America
| | - Mohammed Abdelsaid
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, Georgia, United States of America
| | - Maha Coucha
- Department of Pharmaceutical Sciences, School of Pharmacy, South University, Savannah, Georgia, United States of America
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Asaba CN, Ekabe CJ, Ayuk HS, Gwanyama BN, Bitazar R, Bukong TN. Interplay of TLR4 and SARS-CoV-2: Unveiling the Complex Mechanisms of Inflammation and Severity in COVID-19 Infections. J Inflamm Res 2024; 17:5077-5091. [PMID: 39081874 PMCID: PMC11288317 DOI: 10.2147/jir.s474707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2024] [Accepted: 07/11/2024] [Indexed: 08/02/2024] Open
Abstract
The late 2019 emergence of the Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), the causative agent of COVID-19, caused profound and unprecedented disruption to the global socio-economic structure, negatively affecting millions of lives worldwide. A typical hallmark of severe COVID-19 is hyper inflammation due to aberrant cytokine release (cytokine storm) by innate immune cells. Recent studies have revealed that SARS-CoV-2, through its spike (S) protein, can activate the body's innate immune cells via Toll-Like Receptors (TLRs), particularly TLR4. In silico studies have demonstrated that the S protein binds with high affinity to TLR4, triggering downstream signaling processes that result in pro-inflammatory cytokine release. Compared to other TLRs, such as TLR2, TLR4 plays a more significant role in initiating and sustaining the inflammatory response associated with severe COVID-19. Furthermore, interactions between the virus and target cells can enhance the cellular expression of TLR4, making cells more susceptible to viral interactions and subsequent inflammation. This increased expression of TLR4 upon viral entry creates a feedback loop, where heightened TLR4 levels lead to amplified inflammatory responses, contributing to the severity of the disease. Additionally, TLR4's potent activation of inflammatory pathways sets it apart from other TLRs, underscoring its pivotal role in the pathogenesis of COVID-19. In this review, we thoroughly explore the multitude of regulatory signaling pathways that SARS-CoV-2 employs to incite inflammation. We specifically focus on the critical impact of TLR4 activation compared to other TLRs, highlighting how TLR4's interactions with the viral S protein can exacerbate the severity of COVID-19. By delving into the mechanisms of TLR4-mediated inflammation, we aim to shed light on potential therapeutic targets that could mitigate the inflammatory damage caused by severe COVID-19. Understanding the unique role of TLR4 in the context of SARS-CoV-2 infection could pave the way for novel treatment strategies that specifically inhibit this receptor's activity, thereby reducing the overall disease burden and improving patient outcomes.
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Affiliation(s)
- Clinton Njinju Asaba
- Armand-Frappier Sante Biotechnologie Research Center, Institut National de la Recherche Scientifique, Laval, Québec, Canada
| | - Cyril Jabea Ekabe
- Department of Translational Biomedical Sciences, University of Rochester, Rochester, NY, USA
| | - Humblenoble Stembridge Ayuk
- Department of Environmental Immunology, Helmholtz Centre for Environmental Research-UFZ, Leipzig, 04318, Germany
| | | | - Razieh Bitazar
- Armand-Frappier Sante Biotechnologie Research Center, Institut National de la Recherche Scientifique, Laval, Québec, Canada
| | - Terence Ndonyi Bukong
- Armand-Frappier Sante Biotechnologie Research Center, Institut National de la Recherche Scientifique, Laval, Québec, Canada
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6
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Edinger F, Edinger S, Schmidt G, Koch C, Sander M, Schneck E. The Role of the Kinin System and the Effect of Des-Arginine 9-Bradykinin on Coagulation and Platelet Function in Critically Ill COVID-19 Patients: A Secondary Analysis of a Prospective Observational Study. Int J Mol Sci 2024; 25:2342. [PMID: 38397016 PMCID: PMC10889556 DOI: 10.3390/ijms25042342] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Revised: 02/10/2024] [Accepted: 02/14/2024] [Indexed: 02/25/2024] Open
Abstract
The effect of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) on the coagulation system is not fully understood. SARS-CoV-2 penetrates cells through angiotensin-converting enzyme 2 (ACE2) receptors, leading to its downregulation. Des-arginine9-bradykinin (DA9B) is degraded by ACE2 and causes vasodilation and increased vascular permeability. Furthermore, DA9B is associated with impaired platelet function. Therefore, the aim of this study was to evaluate the effects of DA9B on platelet function and coagulopathy in critically ill coronavirus disease 2019 (COVID-19) patients. In total, 29 polymerase-positive SARS-CoV-2 patients admitted to the intensive care unit of the University Hospital of Giessen and 29 healthy controls were included. Blood samples were taken, and platelet impedance aggregometry and rotational thromboelastometry were performed. Enzyme-linked immunosorbent assays measured the concentrations of DA9B, bradykinin, and angiotensin 2. Significantly increased concentrations of DA9B and angiotensin 2 were found in the COVID-19 patients. A negative effect of DA9B on platelet function and intrinsic coagulation was also found. A sub-analysis of moderate and severe acute respiratory distress syndrome patients revealed a negative association between DA9B and platelet counts and fibrinogen levels. DA9B provokes inhibitory effects on the intrinsic coagulation system in COVID-19 patients. This negative feedback seems reasonable as bradykinin, which is transformed to DA9B, is released after contact activation. Nevertheless, further studies are needed to confirm our findings.
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Affiliation(s)
- Fabian Edinger
- Department of Anesthesiology, Operative Intensive Care Medicine and Pain Therapy, University Hospital, Justus-Liebig-University, 35392 Giessen, Germany
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7
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Shajahan SR, Kumar S, Ramli MDC. Unravelling the connection between COVID-19 and Alzheimer's disease: a comprehensive review. Front Aging Neurosci 2024; 15:1274452. [PMID: 38259635 PMCID: PMC10800459 DOI: 10.3389/fnagi.2023.1274452] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Accepted: 12/14/2023] [Indexed: 01/24/2024] Open
Abstract
Currently, there exists a limited comprehension regarding the correlation between COVID-19 and Alzheimer's disease (AD). To elucidate the interrelationship and its impact on outcomes, a comprehensive investigation was carried out utilising time-unrestricted searches of reputable databases such as Scopus, PubMed, Web of Science, and Google Scholar. Our objective was to evaluate the impact of various medical conditions on severe COVID-19-related events. We focused on identifying and analysing articles that discussed the clinical characteristics of COVID-19 patients, particularly those pertaining to severe events such as ICU admission, mechanical ventilation, pneumonia, mortality and acute respiratory distress syndrome (ARDS) a serious lung condition that causes low blood oxygen. Through careful data analysis and information gathering, we tried to figure out how likely it was that people with conditions, like AD, would have serious events. Our research investigated potential mechanisms that link AD and COVID-19. The ability of the virus to directly invade the central nervous system and the role of ACE-2 receptors were investigated. Furthermore, the OAS1 gene served as the genetic link between AD and COVID-19. In the context of COVID-19, our findings suggest that individuals with AD may be more susceptible to experiencing severe outcomes. Consequently, it is crucial to provide personalised care and management for this demographic. Further investigation is required to attain a comprehensive comprehension of the intricate correlation between Alzheimer's disease and COVID-19, as well as its ramifications for patient outcomes.
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Affiliation(s)
- Shah Rezlan Shajahan
- School of Graduate Studies, Management and Science University, Shah Alam, Selangor, Malaysia
| | - Suresh Kumar
- Faculty of Health and Life Sciences, Management and Science University, Shah Alam, Selangor, Malaysia
| | - Muhammad Danial Che Ramli
- Faculty of Health and Life Sciences, Management and Science University, Shah Alam, Selangor, Malaysia
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Peliciari-Garcia RA, de Barros CF, Secio-Silva A, de Barros Peruchetti D, Romano RM, Bargi-Souza P. Multi-omics Investigations in Endocrine Systems and Their Clinical Implications. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2024; 1443:187-209. [PMID: 38409422 DOI: 10.1007/978-3-031-50624-6_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/28/2024]
Abstract
Innovative techniques such as the "omics" can be a powerful tool for the understanding of intracellular pathways involved in homeostasis maintenance and identification of new potential therapeutic targets against endocrine-metabolic disorders. Over the last decades, proteomics has been extensively applied in the study of a wide variety of human diseases, including those involving the endocrine system. Among the most endocrine-related disorders investigated by proteomics in humans are diabetes mellitus and thyroid, pituitary, and reproductive system disorders. In diabetes, proteins implicated in insulin signaling, glucose metabolism, and β-cell activity have been investigated. In thyroid diseases, protein expression alterations were described in thyroid malignancies and autoimmune thyroid illnesses. Additionally, proteomics has been used to investigate the variations in protein expression in adrenal cancers and conditions, including Cushing's syndrome and Addison's disease. Pituitary tumors and disorders including acromegaly and hypopituitarism have been studied using proteomics to examine changes in protein expression. Reproductive problems such as polycystic ovarian syndrome and endometriosis are two examples of conditions where alterations in protein expression have been studied using proteomics. Proteomics has, in general, shed light on the molecular underpinnings of many endocrine-related illnesses and revealed promising biomarkers for both their detection and treatment. The capacity of proteomics to thoroughly and objectively examine complex protein mixtures is one of its main benefits. Mass spectrometry (MS) is a widely used method that identifies and measures proteins based on their mass-to-charge ratio and their fragmentation pattern. MS can perform the separation of proteins according to their physicochemical characteristics, such as hydrophobicity, charge, and size, in combination with liquid chromatography. Other proteomics techniques include protein arrays, which enable the simultaneous identification of several proteins in a single assay, and two-dimensional gel electrophoresis (2D-DIGE), which divides proteins depending on their isoelectric point and molecular weight. This chapter aims to summarize the most relevant proteomics data from targeted tissues, as well as the daily rhythmic variation of relevant biomarkers in both physiological and pathophysiological conditions within the involved endocrine system, especially because the actual modern lifestyle constantly imposes a chronic unentrained condition, which virtually affects all the circadian clock systems within human's body, being also correlated with innumerous endocrine-metabolic diseases.
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Affiliation(s)
- Rodrigo Antonio Peliciari-Garcia
- Department of Biological Sciences, Morphophysiology and Pathology Sector, Federal University of São Paulo (UNIFESP), Diadema, SP, Brazil.
| | - Carolina Fonseca de Barros
- Department of Physiology and Biophysics, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Ayla Secio-Silva
- Department of Physiology and Biophysics, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Diogo de Barros Peruchetti
- Department of Physiology and Biophysics, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil
| | - Renata Marino Romano
- Department of Medicine, State University of Central-West (UNICENTRO), Guarapuava, Parana, Brazil
| | - Paula Bargi-Souza
- Department of Physiology and Biophysics, Institute of Biological Sciences, Federal University of Minas Gerais (UFMG), Belo Horizonte, MG, Brazil.
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Fajloun Z, Khattar ZA, Sabatier JM. The Intriguing Connection between Cholestasis and the Renin-Angiotensin System Dysregulation Induced by SARS-CoV-2 and/or the Vaccinal Spike Protein. Infect Disord Drug Targets 2024; 24:e080324227802. [PMID: 38465438 DOI: 10.2174/0118715265304515240220105152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Accepted: 01/31/2024] [Indexed: 03/12/2024]
Affiliation(s)
- Ziad Fajloun
- Department of Biology, Faculty of Sciences, Lebanese University, Campus Michel Slayman Ras Maska, 1352 Tripoli, Lebanon
- Laboratory of Applied Biotechnology (LBA3B), Azm Center for Research in Biotechnology and its Applications, EDST, Lebanese University, Hadath, Lebanon
| | - Ziad Abi Khattar
- Faculty of Medicine and Medical Sciences, University of Balamand, Kalhat, Tripoli P.O. Box 100, Lebanon
| | - Jean-Marc Sabatier
- Aix-Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13385 Marseille, France
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Sideratou CM, Papaneophytou C. Persisting Shadows: Unraveling the Impact of Long COVID-19 on Respiratory, Cardiovascular, and Nervous Systems. Infect Dis Rep 2023; 15:806-830. [PMID: 38131885 PMCID: PMC10742861 DOI: 10.3390/idr15060072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2023] [Revised: 12/11/2023] [Accepted: 12/14/2023] [Indexed: 12/23/2023] Open
Abstract
The coronavirus disease 2019 (COVID-19), instigated by the zoonotic Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2), rapidly transformed from an outbreak in Wuhan, China, into a widespread global pandemic. A significant post-infection condition, known as 'long- COVID-19' (or simply 'long- COVID'), emerges in a substantial subset of patients, manifesting with a constellation of over 200 reported symptoms that span multiple organ systems. This condition, also known as 'post-acute sequelae of SARS-CoV-2 infection' (PASC), presents a perplexing clinical picture with far-reaching implications, often persisting long after the acute phase. While initial research focused on the immediate pulmonary impact of the virus, the recognition of COVID-19 as a multiorgan disruptor has unveiled a gamut of protracted and severe health issues. This review summarizes the primary effects of long COVID on the respiratory, cardiovascular, and nervous systems. It also delves into the mechanisms underlying these impacts and underscores the critical need for a comprehensive understanding of long COVID's pathogenesis.
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Affiliation(s)
| | - Christos Papaneophytou
- Department of Life Sciences, School of Life and Health Sciences, University of Nicosia, 2417 Nicosia, Cyprus;
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11
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Hofbauer T, Humann K, Neidenbach RC, Scharhag J. Myocarditis Screening Methods in Athletes After SARS-CoV-2 Infection - a Systematic Review. Int J Sports Med 2023; 44:929-940. [PMID: 37225132 DOI: 10.1055/a-2099-6725] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
This review aims to elucidate the myocarditis incidence in SARS-CoV-2-positive athletes and to evaluate different screening approaches to derive sports cardiological recommendations after SARS-CoV-2 infection. The overall incidence of athletes (age span 17-35 years, 70% male) with myocarditis after SARS-CoV-2 infection was 1.2%, with a high variation between studies (which contrasts an incidence of 4.2% in 40 studies within the general population). Studies that used conventional screening based on symptoms, electrocardiogram, echocardiography, and cardiac troponin - only followed by cardiac magnetic resonance imaging in case of abnormal findings - reported lower myocarditis incidences (0.5%, 20/3978). On the other hand, advanced screening that included cardiac magnetic resonance imaging within the primary screening reported higher incidences (2.4%, 52/2160). The sensitivity of advanced screening seems to be 4.8 times higher in comparison to conventional screening. However, we recommend prioritization of conventional screening, as the economical load of advanced screening for all athletes is high and the incidence of myocarditis in SARS-CoV-2-positive athletes and the risk of adverse outcomes seems low. Future research will be important to analyze the long-term effects of myocarditis after infection with SARS-CoV-2 in athletes for risk stratification to optimally guide a safe return to sport.
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Affiliation(s)
- Theresa Hofbauer
- Vienna Doctoral School of Pharmaceutical, Nutritional and Sport Science, Vienna, Austria
| | - Kathrin Humann
- Vienna Doctoral School of Pharmaceutical, Nutritional and Sport Science, Vienna, Austria
| | - Rhoia Clara Neidenbach
- Vienna Doctoral School of Pharmaceutical, Nutritional and Sport Science, Vienna, Austria
| | - Jürgen Scharhag
- Vienna Doctoral School of Pharmaceutical, Nutritional and Sport Science, Vienna, Austria
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12
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Burnett FN, Coucha M, Bolduc DR, Hermanns VC, Heath SP, Abdelghani M, Macias-Moriarity LZ, Abdelsaid M. SARS-CoV-2 Spike Protein Intensifies Cerebrovascular Complications in Diabetic hACE2 Mice through RAAS and TLR Signaling Activation. Int J Mol Sci 2023; 24:16394. [PMID: 38003584 PMCID: PMC10671133 DOI: 10.3390/ijms242216394] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/03/2023] [Accepted: 11/11/2023] [Indexed: 11/26/2023] Open
Abstract
Diabetics are more vulnerable to SARS-CoV-2 neurological manifestations. The molecular mechanisms of SARS-CoV-2-induced cerebrovascular dysfunction in diabetes are unclear. We hypothesize that SARS-CoV-2 exacerbates diabetes-induced cerebrovascular oxidative stress and inflammation via activation of the destructive arm of the renin-angiotensin-aldosterone system (RAAS) and Toll-like receptor (TLR) signaling. SARS-CoV-2 spike protein was injected in humanized ACE2 transgenic knock-in mice. Cognitive functions, cerebral blood flow, cerebrovascular architecture, RAAS, and TLR signaling were used to determine the effect of SARS-CoV-2 spike protein in diabetes. Studies were mirrored in vitro using human brain microvascular endothelial cells treated with high glucose-conditioned media to mimic diabetic conditions. Spike protein exacerbated diabetes-induced cerebrovascular oxidative stress, inflammation, and endothelial cell death resulting in an increase in vascular rarefaction and diminished cerebral blood flow. SARS-CoV-2 spike protein worsened cognitive dysfunction in diabetes compared to control mice. Spike protein enhanced the destructive RAAS arm at the expense of the RAAS protective arm. In parallel, spike protein significantly exacerbated TLR signaling in diabetes, aggravating inflammation and cellular apoptosis vicious circle. Our study illustrated that SAR-CoV-2 spike protein intensified RAAS and TLR signaling in diabetes, increasing cerebrovascular damage and cognitive dysfunction.
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Affiliation(s)
- Faith N. Burnett
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, GA 31404, USA; (F.N.B.); (V.C.H.); (S.P.H.); (M.A.)
| | - Maha Coucha
- Department of Pharmaceutical Sciences, School of Pharmacy, South University, Savannah, GA 31406, USA; (M.C.); (L.Z.M.-M.)
| | - Deanna R. Bolduc
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, GA 31404, USA; (F.N.B.); (V.C.H.); (S.P.H.); (M.A.)
| | - Veronica C. Hermanns
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, GA 31404, USA; (F.N.B.); (V.C.H.); (S.P.H.); (M.A.)
| | - Stan P. Heath
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, GA 31404, USA; (F.N.B.); (V.C.H.); (S.P.H.); (M.A.)
| | - Maryam Abdelghani
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, GA 31404, USA; (F.N.B.); (V.C.H.); (S.P.H.); (M.A.)
| | - Lilia Z. Macias-Moriarity
- Department of Pharmaceutical Sciences, School of Pharmacy, South University, Savannah, GA 31406, USA; (M.C.); (L.Z.M.-M.)
| | - Mohammed Abdelsaid
- Department of Biomedical Sciences, School of Medicine, Mercer University, Savannah, GA 31404, USA; (F.N.B.); (V.C.H.); (S.P.H.); (M.A.)
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13
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Vitiello A, Sabbatucci M, Silenzi A, Capuano A, Rossi F, Zovi A, Blasi F, Rezza G. The impact of SARS-CoV-2 infection in patients with cystic fibrosis undergoing CFTR channel modulators treatment: a literature review. Respir Res 2023; 24:278. [PMID: 37957647 PMCID: PMC10644493 DOI: 10.1186/s12931-023-02593-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2023] [Accepted: 11/02/2023] [Indexed: 11/15/2023] Open
Abstract
Several risk factors for Coronavirus-2019 (COVID-19) disease have been highlighted in clinical evidence. Among the various risk factors are advanced age, metabolic illness such as diabetes, heart disease, and diseases of the respiratory system. Cystic Fibrosis (CF) is a rare disease with autosomal recessive transmission, characterised by a lack of synthesis of the CFTR channel protein, and multi-organ clinical symptoms mainly affecting the respiratory tract with recurrent pulmonary exacerbations. In view of the pathophysiological mechanisms, CF disease should be in theory considered a risk factor for SARS-CoV2 or severe COVID-19. However, recent clinical evidence seems to point in the opposite direction, suggesting that CF could be a protective factor against severe COVID-19. Possibly, the lack of presence or function of the CFTR channel protein could be linked to the expression of the membrane glycoprotein ACE-2, a key enzyme for the endocellular penetration of SARS-CoV-2 and related to the pathophysiology of COVID-19 disease. Furthermore, CFTR channel modulating agents could indirectly influence the expression of ACE-2, playing an important role in restoring the proper functioning of mucociliary clearance and the pulmonary microbiome in the host response to SARS-CoV-2 infection. In this review, the authors attempt to shed light on these important associations of issues that are not yet fully elucidated.
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Affiliation(s)
- Antonio Vitiello
- Directorate General for Health Prevention, Ministry of Health, Rome, Italy
| | - Michela Sabbatucci
- Directorate General for Health Prevention, Ministry of Health, Rome, Italy
- Department Infectious Diseases, National Institute of Health, Rome, Italy
| | - Andrea Silenzi
- Directorate General for Health Prevention, Ministry of Health, Rome, Italy
| | - Annalisa Capuano
- Section of Pharmacology "L. Donatelli", Department of Experimental Medicine, Campania Regional Centre for Pharmacovigilance and Pharmacoepidemiology, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Francesco Rossi
- Section of Pharmacology "L. Donatelli", Department of Experimental Medicine, Campania Regional Centre for Pharmacovigilance and Pharmacoepidemiology, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Andrea Zovi
- Directorate General for Hygiene, Food Safety and Nutrition, Ministry of Health, Rome, Italy.
| | - Francesco Blasi
- Department of Pathophysiology and Transplantation, University of Milan, Milan, Italy.
- Internal Medicine Department, Respiratory Unit and Cystic Fibrosis Center, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy.
| | - Giovanni Rezza
- Directorate General for Health Prevention, Ministry of Health, Rome, Italy
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14
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Ceylan AC, Çavdarlı B, Ceylan GG, Topçu V, Satılmış SBA, Bektaş ŞG, Kalem AK, Kayaaslan B, Eser F, Kalkan EA, İnan O, Hasanoğlu İ, Yüksel S, Ateş İ, İzdeş S, Güner R, Gündüz CNS. Impact of Inflammation-Related Genes on COVID-19: Prospective Study at Turkish Cohort. TOHOKU J EXP MED 2023; 261:179-185. [PMID: 37635061 DOI: 10.1620/tjem.2023.j071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/29/2023]
Abstract
The pandemic coronavirus disease 2019 (COVID-19) has caused a high mortality rate and poses a significant threat to the population. The disease may progress with mild symptoms or may cause the need for intensive care, depending on many factors. In this study, it was aimed to determine if there is a tendency due to genetic factors in COVID-19 patients. Ninety-four of 188 patients with mild clinical and 94 with severe clinical symptoms were included in the study. The targeted panel including coagulopathy (F2, F5), viral invasion (ACE2), and inflammation (CXCL8, IFNAR2, IFNL4, IL10, IL2, IL6, IRF7, TLR3, TLR7, TNF) related genes was performed sequenced by the next generation sequencing (NGS). The variants found were classified and univariate analyses were performed to select candidate variables for logistic model. Risk factors and variants were compared. It was revealed that the presence of 2 or more risk factors caused the disease to progress severely (p < 0.001). Heterozygous IRF7:c.1357-23dup variant had a 2.5 times higher risk for mild disease compared to severe disease. Other variants were found to be more significant in mild disease. Since polymorphic variants were not evaluated in the literature, the findings of our study could not be compared with the literature. However, as variants that may be effective in the severity of infections may differ according to ethnicity. This study has the feature of being a guide for subsequent studies to be carried out especially in Turkish population. Clinical course of the COVID-19 is likely to depend on a variety of risk factors, including age, sex, clinical status, immunology and genetic factors.
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Affiliation(s)
- Ahmet Cevdet Ceylan
- Department of Medical Genetics, Faculty of Medicine, Ankara Yıldırım Beyazıt University
- Department of Medical Genetics, Ankara City Hospital
| | | | - Gülay Güleç Ceylan
- Department of Medical Genetics, Faculty of Medicine, Ankara Yıldırım Beyazıt University
- Department of Medical Genetics, Ankara City Hospital
| | - Vehap Topçu
- Department of Medical Genetics, Ankara City Hospital
| | | | | | - Ayşe K Kalem
- Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Ankara Yıldırım Beyazıt University
- Department of Infectious Diseases and Clinical Microbiology, Ankara City Hospital
| | - Bircan Kayaaslan
- Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Ankara Yıldırım Beyazıt University
- Department of Infectious Diseases and Clinical Microbiology, Ankara City Hospital
| | - Fatma Eser
- Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Ankara Yıldırım Beyazıt University
- Department of Infectious Diseases and Clinical Microbiology, Ankara City Hospital
| | | | - Osman İnan
- Department of Internal Medicine, Ankara City Hospital
| | - İmran Hasanoğlu
- Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Ankara Yıldırım Beyazıt University
- Department of Infectious Diseases and Clinical Microbiology, Ankara City Hospital
| | - Selcen Yüksel
- Department of Biostatistics, Ankara Yıldırım Beyazıt University
| | - İhsan Ateş
- Department of Internal Medicine, Ankara City Hospital, Health Science University
| | - Seval İzdeş
- Department of Anesthesiology and Reanimation-Critical Care, Ankara City Hospital
- Department of Anesthesiology and Reanimation-Critical Care, Faculty of Medicine, Ankara Yıldırım Beyazıt University
| | - Rahmet Güner
- Department of Infectious Diseases and Clinical Microbiology, Faculty of Medicine, Ankara Yıldırım Beyazıt University
- Department of Infectious Diseases and Clinical Microbiology, Ankara City Hospital
| | - C Nur Semerci Gündüz
- Department of Medical Genetics, Faculty of Medicine, Ankara Yıldırım Beyazıt University
- Department of Medical Genetics, Ankara City Hospital
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15
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Yan J, Hong J. COVID-19 Associated Myocarditis: Prevalence, Pathophysiology, Diagnosis, and Management. Cardiol Rev 2023:00045415-990000000-00141. [PMID: 37607078 DOI: 10.1097/crd.0000000000000597] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/24/2023]
Abstract
Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), has been a pandemic and affected public health greatly. While COVID-19 primarily damages the lungs, leading to cough, sore throat, pneumonia, or acute respiratory distress syndrome, it also infects other organs and tissues, including the cardiovascular system. In particular, myocarditis is a well-recognized severe complication of COVID-19 infection and could result in adverse outcomes. Angiotensin-Converting Enzyme2 is thought to play a pivotal role in SARS-CoV-2 infection, and immune overresponse causes overwhelming damage to the host's myocardium. Direct viral infection and injury do take a part as well, but more evidence is needed to strengthen this proposal. The clinical abnormalities include elevated cardiac biomarkers and electrocardiogram changes and impaired cardiac function that might be presented in echocardiography and cardiovascular magnetic resonance imaging. If necessary, the endomyocardial biopsy would give more forceful information to diagnosis and aid in treatment. Comparisons between COVID-19 myocarditis and other viral myocarditis are also discussed briefly.
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Affiliation(s)
- Ji Yan
- From the Department of Internal and Emergency Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jiang Hong
- From the Department of Internal and Emergency Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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16
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Mosquera-Sulbaran JA, Pedreañez A, Hernandez-Fonseca JP, Hernandez-Fonseca H. Angiotensin II and dengue. Arch Virol 2023; 168:191. [PMID: 37368044 DOI: 10.1007/s00705-023-05814-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2022] [Accepted: 05/09/2023] [Indexed: 06/28/2023]
Abstract
Dengue is a disease caused by a flavivirus that is transmitted principally by the bite of an Aedes aegypti mosquito and represents a major public-health problem. Many studies have been carried out to identify soluble factors that are involved in the pathogenesis of this infection. Cytokines, soluble factors, and oxidative stress have been reported to be involved in the development of severe disease. Angiotensin II (Ang II) is a hormone with the ability to induce the production of cytokines and soluble factors related to the inflammatory processes and coagulation disorders observed in dengue. However, a direct involvement of Ang II in this disease has not been demonstrated. This review primarily summarizes the pathophysiology of dengue, the role of Ang II in various diseases, and reports that are highly suggestive of the involvement of this hormone in dengue.
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Affiliation(s)
- Jesus A Mosquera-Sulbaran
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, Maracaibo, 4001-A, Venezuela.
| | - Adriana Pedreañez
- Cátedra de Inmunología, Escuela de Bioanálisis, Facultad de Medicina, Universidad del Zulia, Maracaibo, Venezuela
| | - Juan Pablo Hernandez-Fonseca
- Instituto de Investigaciones Clínicas "Dr. Américo Negrette", Facultad de Medicina, Universidad del Zulia, Maracaibo, 4001-A, Venezuela
- Servicio de Microscopia Electronica del Centro Nacional de Biotecnologia (CNB- CSIC) Madrid, Madrid, España
| | - Hugo Hernandez-Fonseca
- Department of Anatomy, Physiology and Pharmacology, School of Veterinary Medicine, Saint George's University, True Blue, West Indies, Grenada
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17
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Banoun H. mRNA: Vaccine or Gene Therapy? The Safety Regulatory Issues. Int J Mol Sci 2023; 24:10514. [PMID: 37445690 DOI: 10.3390/ijms241310514] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2023] [Revised: 06/19/2023] [Accepted: 06/21/2023] [Indexed: 07/15/2023] Open
Abstract
COVID-19 vaccines were developed and approved rapidly in response to the urgency created by the pandemic. No specific regulations existed at the time they were marketed. The regulatory agencies therefore adapted them as a matter of urgency. Now that the pandemic emergency has passed, it is time to consider the safety issues associated with this rapid approval. The mode of action of COVID-19 mRNA vaccines should classify them as gene therapy products (GTPs), but they have been excluded by regulatory agencies. Some of the tests they have undergone as vaccines have produced non-compliant results in terms of purity, quality and batch homogeneity. The wide and persistent biodistribution of mRNAs and their protein products, incompletely studied due to their classification as vaccines, raises safety issues. Post-marketing studies have shown that mRNA passes into breast milk and could have adverse effects on breast-fed babies. Long-term expression, integration into the genome, transmission to the germline, passage into sperm, embryo/fetal and perinatal toxicity, genotoxicity and tumorigenicity should be studied in light of the adverse events reported in pharmacovigilance databases. The potential horizontal transmission (i.e., shedding) should also have been assessed. In-depth vaccinovigilance should be carried out. We would expect these controls to be required for future mRNA vaccines developed outside the context of a pandemic.
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18
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Ragnoli B, Da Re B, Galantino A, Kette S, Salotti A, Malerba M. Interrelationship between COVID-19 and Coagulopathy: Pathophysiological and Clinical Evidence. Int J Mol Sci 2023; 24:ijms24108945. [PMID: 37240292 DOI: 10.3390/ijms24108945] [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: 04/25/2023] [Revised: 05/14/2023] [Accepted: 05/16/2023] [Indexed: 05/28/2023] Open
Abstract
Since the first description of COVID-19 infection, among clinical manifestations of the disease, including fever, dyspnea, cough, and fatigue, it was observed a high incidence of thromboembolic events potentially evolving towards acute respiratory distress syndrome (ARDS) and COVID-19-associated-coagulopathy (CAC). The hypercoagulation state is based on an interaction between thrombosis and inflammation. The so-called CAC represents a key aspect in the genesis of organ damage from SARS-CoV-2. The prothrombotic status of COVID-19 can be explained by the increase in coagulation levels of D-dimer, lymphocytes, fibrinogen, interleukin 6 (IL-6), and prothrombin time. Several mechanisms have been hypothesized to explain this hypercoagulable process such as inflammatory cytokine storm, platelet activation, endothelial dysfunction, and stasis for a long time. The purpose of this narrative review is to provide an overview of the current knowledge on the pathogenic mechanisms of coagulopathy that may characterize COVID-19 infection and inform on new areas of research. New vascular therapeutic strategies are also reviewed.
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Affiliation(s)
| | - Beatrice Da Re
- Respiratory Unit, Sant'Andrea Hospital, 13100 Vercelli, Italy
| | | | - Stefano Kette
- Respiratory Unit, Sant'Andrea Hospital, 13100 Vercelli, Italy
| | - Andrea Salotti
- Respiratory Unit, Sant'Andrea Hospital, 13100 Vercelli, Italy
| | - Mario Malerba
- Respiratory Unit, Sant'Andrea Hospital, 13100 Vercelli, Italy
- Department of Traslational Medicine, University of Eastern Piedmont (UPO), 28100 Novara, Italy
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19
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Jammoul M, Naddour J, Madi A, Reslan MA, Hatoum F, Zeineddine J, Abou-Kheir W, Lawand N. Investigating the possible mechanisms of autonomic dysfunction post-COVID-19. Auton Neurosci 2023; 245:103071. [PMID: 36580747 PMCID: PMC9789535 DOI: 10.1016/j.autneu.2022.103071] [Citation(s) in RCA: 26] [Impact Index Per Article: 26.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2022] [Revised: 12/10/2022] [Accepted: 12/20/2022] [Indexed: 12/25/2022]
Abstract
Patients with long COVID suffer from many neurological manifestations that persist for 3 months following infection by SARS-CoV-2. Autonomic dysfunction (AD) or dysautonomia is one complication of long COVID that causes patients to experience fatigue, dizziness, syncope, dyspnea, orthostatic intolerance, nausea, vomiting, and heart palpitations. The pathophysiology behind AD onset post-COVID is largely unknown. As such, this review aims to highlight the potential mechanisms by which AD occurs in patients with long COVID. The first proposed mechanism includes the direct invasion of the hypothalamus or the medulla by SARS-CoV-2. Entry to these autonomic centers may occur through the neuronal or hematogenous routes. However, evidence so far indicates that neurological manifestations such as AD are caused indirectly. Another mechanism is autoimmunity whereby autoantibodies against different receptors and glycoproteins expressed on cellular membranes are produced. Additionally, persistent inflammation and hypoxia can work separately or together to promote sympathetic overactivation in a bidirectional interaction. Renin-angiotensin system imbalance can also drive AD in long COVID through the downregulation of relevant receptors and formation of autoantibodies. Understanding the pathophysiology of AD post-COVID-19 may help provide early diagnosis and better therapy for patients.
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Affiliation(s)
- Maya Jammoul
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Lebanon
| | - Judith Naddour
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Lebanon
| | - Amir Madi
- Department of Biomedicine, Neuroscience and Advanced Diagnostics (BIND), University of Palermo, 90127 Palermo, Italy
| | - Mohammad Amine Reslan
- Department of Biochemistry and Molecular Genetics, Faculty of Medicine, American University of Beirut, Beirut, Lebanon
| | - Firas Hatoum
- Faculty of Medicine, American University of Beirut, Lebanon
| | | | - Wassim Abou-Kheir
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Lebanon
| | - Nada Lawand
- Department of Anatomy, Cell Biology and Physiological Sciences, Faculty of Medicine, American University of Beirut, Lebanon; Department of Neurology, Faculty of Medicine, American University of Beirut, Lebanon.
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20
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Fantini J, Chahinian H, Yahi N. Convergent Evolution Dynamics of SARS-CoV-2 and HIV Surface Envelope Glycoproteins Driven by Host Cell Surface Receptors and Lipid Rafts: Lessons for the Future. Int J Mol Sci 2023; 24:1923. [PMID: 36768244 PMCID: PMC9915253 DOI: 10.3390/ijms24031923] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 01/12/2023] [Accepted: 01/16/2023] [Indexed: 01/21/2023] Open
Abstract
Although very different, in terms of their genomic organization, their enzymatic proteins, and their structural proteins, HIV and SARS-CoV-2 have an extraordinary evolutionary potential in common. Faced with various selection pressures that may be generated by treatments or immune responses, these RNA viruses demonstrate very high adaptive capacities, which result in the continuous emergence of variants and quasi-species. In this retrospective analysis of viral proteins, ensuring the adhesion of these viruses to the plasma membrane of host cells, we highlight many common points that suggest the convergent mechanisms of evolution. HIV and SARS-CoV-2 first recognize a lipid raft microdomain that acts as a landing strip for viral particles on the host cell surface. In the case of mucosal cells, which are the primary targets of both viruses, these microdomains are enriched in anionic glycolipids (gangliosides) forming a global electronegative field. Both viruses use lipid rafts to surf on the cell surface in search of a protein receptor able to trigger the fusion process. This implies that viral envelope proteins are both geometrically and electrically compatible to the biomolecules they select to invade host cells. In the present study, we identify the surface electrostatic potential as a critical parameter controlling the convergent evolution dynamics of HIV-1 and SARS-CoV-2 surface envelope proteins, and we discuss the impact of this parameter on the phenotypic properties of both viruses. The virological data accumulated since the emergence of HIV in the early 1980s should help us to face present and future virus pandemics.
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Affiliation(s)
| | | | - Nouara Yahi
- INSERM UMR_S 1072, Aix Marseille University, 13015 Marseille, France
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21
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Fajloun Z, Abi Khattar Z, Kovacic H, Legros C, Sabatier JM. SIBO: The Trail of a "New" Human Pathology Associated with Multiple Severe and Disabling COVID-19 and Long COVID Symptoms or Induced by the Anti-COVID-19 Vaccine. Infect Disord Drug Targets 2023; 23:e100223213593. [PMID: 36762752 DOI: 10.2174/1871526523666230210162334] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2023] [Revised: 01/16/2023] [Accepted: 01/19/2023] [Indexed: 06/18/2023]
Affiliation(s)
- Ziad Fajloun
- Department of Biology, Faculty of Sciences, Lebanese University, Campus Michel Slayman Ras Maska, Tripoli 1352, Lebanon
- Laboratory of Applied Biotechnology (LBA3B), Azm Center for Research in Biotechnology and its Applications, EDST, Lebanese University, Tripoli 1300, Lebanon
| | - Ziad Abi Khattar
- Laboratory of Georesources, Geosciences and Environment (L2GE), Microbiology/Tox-Ecotoxicology Team, Faculty of Sciences, Lebanese University, Campus Fanar, Jdeidet El-Matn, Beirut, P.O. Box 90656, Lebanon
| | - Hervé Kovacic
- The Institute of Neurophysiopathology, Aix-Marseille University, CNRS, INP, Marseille 13385, France
| | - Christian Legros
- University of Angers, INSERM, CNRS, MITOVASC, Team 2 CarMe, SFR ICAT, Angers 49000, France
| | - Jean-Marc Sabatier
- The Institute of Neurophysiopathology, Aix-Marseille University, CNRS, INP, Marseille 13385, France
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22
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Fajloun Z, Legros C, Sabatier JM. COVID-19 and Ehlers-Danlos Syndrome: The Dangers of the Spike Protein of SARS-CoV-2. Infect Disord Drug Targets 2023; 23:e040123212375. [PMID: 36600622 DOI: 10.2174/1871526523666230104145108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 12/21/2022] [Indexed: 06/17/2023]
Affiliation(s)
- Ziad Fajloun
- Department of Biology, Faculty of Sciences 3, Lebanese University, Campus Michel Slayman Ras Maska, Tripoli 1352, Lebanon
- Laboratory of Applied Biotechnology (LBA3B), Azm Center for Research in Biotechnology and its Applications, EDST, Lebanese University, Tripoli 1300, Lebanon
| | - Christian Legros
- College of Life Sciences, University of Angers, INSERM, CNRS, MITOVASC, Team 2 CarMe, SFR ICAT, Angers 49000, France
| | - Jean-Marc Sabatier
- College of Life Sciences, Aix-Marseille University, CNRS, INP, Inst Neurophysiopathol, Marseille 13385, France
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23
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Fajloun Z, Abi Khattar Z, Kovacic H, Legros C, Sabatier JM. Why do Athletes Develop Very Severe or Fatal Forms of COVID after Intense Exercise Following SARS-CoV-2 Infection or Anti-COVID Vaccination? Infect Disord Drug Targets 2023; 23:e110123212563. [PMID: 36631923 DOI: 10.2174/1871526523666230111104355] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 12/28/2022] [Indexed: 01/13/2023]
Affiliation(s)
- Ziad Fajloun
- Department of Biology, Faculty of Sciences 3, Lebanese University, Campus Michel Slayman Ras Maska, Tripoli 1352, Lebanon
- Laboratory of Applied Biotechnology (LBA3B), Azm Center for Research in Biotechnology and its Applications, EDST, Lebanese University, Tripoli 1300, Lebanon
| | - Ziad Abi Khattar
- Laboratory of Georesources, Geosciences, and Environment (L2GE), Microbiology/Tox-Ecotoxicology Team, Faculty of Sciences 2, Lebanese University, Campus Fanar, Jdeidet El-Matn, Beirut, P.O. Box 90656, Lebanon
- CNRS, INP, Inst Neurophysiopathol, Aix- Marseille Univ, Marseille 13385, France
| | - Hervé Kovacic
- Aix-Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13385 Marseille, France
| | - Christian Legros
- INSERM, CNRS, MITOVASC, Univ Angers, Team 2 CarMe, SFR ICAT, Angers 49000, France
| | - Jean-Marc Sabatier
- CNRS, INP, Inst Neurophysiopathol, Aix- Marseille Univ, Marseille 13385, France
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24
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Fajloun Z, Abi Khattar Z, Kovacic H, Legros C, Sabatier JM. Understanding and Relieving of Neuropathic Disorders in the Long COVID. Infect Disord Drug Targets 2023; 23:e270223214061. [PMID: 36843369 DOI: 10.2174/1871526523666230227113205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Accepted: 02/06/2023] [Indexed: 02/28/2023]
Affiliation(s)
- Ziad Fajloun
- Department of Biology, Faculty of Sciences 3, Lebanese University, Campus Michel Slayman Ras Maska, Tripoli 1352, Lebanon
- Laboratory of Applied Biotechnology (LBA3B), Azm Center for Research in Biotechnology and its Applications, EDST, Lebanese University, Tripoli 1300, Lebanon
| | - Ziad Abi Khattar
- Laboratory of Georesources, Geosciences and Environment (L2GE), Microbiology/Tox-Ecotoxicology Team, Faculty of Sciences 2, Lebanese University, Campus Fanar, Jdeidet El-Matn, Beirut, P.O. Box 90656, Lebanon
| | - Hervé Kovacic
- CNRS, INP, Inst Neurophysiopathol, Aix- Marseille Univ, Marseille 13385, France
| | - Christian Legros
- Univ Angers, INSERM, CNRS, MITOVASC, Team 2 CarMe, SFR ICAT, Angers 49000, France
| | - Jean-Marc Sabatier
- CNRS, INP, Inst Neurophysiopathol, Aix- Marseille Univ, Marseille 13385, France
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MacLachlan R, Evans CE, Chai SY, Good MA, Kehoe PG, Miners JS. Age-related reduction in brain ACE-2 is not exacerbated by Alzheimer's disease pathology in mouse models of Alzheimer's disease. AGING BRAIN 2023; 3:100062. [PMID: 36911263 PMCID: PMC9997187 DOI: 10.1016/j.nbas.2022.100062] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 10/26/2022] [Accepted: 12/20/2022] [Indexed: 12/30/2022] Open
Abstract
An imbalance in the circulatory and organ-specific renin-angiotensin system (RAS) pathways is associated with age-related dysfunction and disease including cardiovascular burden and more recently Alzheimer's disease (AD). It is currently unclear whether an age-associated imbalance in components of the RAS within the brain precedes the onset of AD or whether a RAS imbalance is associated with the onset of disease pathology and cognitive decline. Angiotensin-converting enzyme-1 (ACE-1) and -2 (ACE-2) protein (ELISA) and enzyme activity (FRET assay), markers of the classical and counter-regulatory RAS axis respectively, and Ang-II and Ang-(1-7) peptide levels (ELISA), were measured in the left cortex across four transgenic AD mouse models of amyloid pathology (5xFAD - 2, 6, and 12 months of age; Apd9 - 3-4, 12, and 18 months of age; Tg2576 - 3-4 and 24 months of age; and PDAPP - 3-4, 7, 11, 15, and 18 months of age) and littermate wild-type (WT) controls. ACE-1 level, and enzyme activity, was unaltered in relation to age in WT mice and across all four models. In contrast, ACE-2 level and enzyme activity, was reduced and Ang-II increased with ageing in both WT animals and disease models. The changes in ACE-2 and Ang-II in AD models mirrored WT mice, except for the 5xFAD model, when the reduction in ACE-2 (and elevated Ang-II) was observed at a younger age. These data indicate an age-related dysregulation of brain RAS is likely to be driven by a reduction in ACE-2. The reduction in ACE-2 occurs at a young age, coinciding with early pathological changes and the initial deposition of Aβ, and preceding neuronal loss and cognitive decline, in the transgenic AD models. However, the age-related loss was mirrored in WT mice suggesting that the change was independent of pathological Aβ deposition.
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Affiliation(s)
- Robert MacLachlan
- Dementia Research Group, Clinical Neurosciences, Bristol Medical School, University of Bristol, Learning and Research Building, Southmead Hospital, BS10 5NB, United Kingdom
| | - Charles E Evans
- School of Psychology, Cardiff University, Cardiff CF10 3AT, United Kingdom
| | - Siew Yeen Chai
- Monash Biomedicine Discovery Institute, Department of Physiology, Monash University, Clayton, Victoria 3800, Australia
| | - Mark A Good
- School of Psychology, Cardiff University, Cardiff CF10 3AT, United Kingdom
| | - Patrick Gavin Kehoe
- Dementia Research Group, Clinical Neurosciences, Bristol Medical School, University of Bristol, Learning and Research Building, Southmead Hospital, BS10 5NB, United Kingdom
| | - J Scott Miners
- Dementia Research Group, Clinical Neurosciences, Bristol Medical School, University of Bristol, Learning and Research Building, Southmead Hospital, BS10 5NB, United Kingdom
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Fajloun Z, Abi Khattar Z, Kovacic H, Legros C, Sabatier JM. Anti-COVID-19 Vaccination, COVID-19, and Female Contraception: The Exacerbated Risks (Thromboembolism) of the Estrogen-progestin Pill. Infect Disord Drug Targets 2023; 23:e240223214000. [PMID: 36823996 DOI: 10.2174/1871526523666230224094439] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Accepted: 01/31/2023] [Indexed: 02/25/2023]
Affiliation(s)
- Ziad Fajloun
- Department of Biology, Faculty of Sciences 3, Lebanese University, Campus Michel Slayman Ras Maska, Tripoli 1352, Lebanon
- Laboratory of Applied Biotechnology (LBA3B), Azm Center for Research in Biotechnology and its Applications, EDST, Lebanese University, Tripoli 1300, Lebanon
| | - Ziad Abi Khattar
- Laboratory of Georesources, Geosciences and Environment (L2GE), Microbiology/Tox-Ecotoxicology Team, Faculty of Sciences 2, Lebanese University, Campus Fanar, Jdeidet El-Matn, Beirut, P.O. Box 90656, Lebanon
- Department of Pharmaceutical Sciences, School of Pharmacy, Lebanese American University, Byblos Campus, Byblos, P.O. Box 36, Lebanon
| | - Hervé Kovacic
- The Institute of Neurophysiopathology, Aix-Marseille University, CNRS, INP, Marseille 13385, France
| | - Christian Legros
- University of Angers, INSERM, CNRS, MITOVASC, Team 2 CarMe, SFR ICAT, Angers 49000, France
| | - Jean-Marc Sabatier
- The Institute of Neurophysiopathology, Aix-Marseille University, CNRS, INP, Marseille 13385, France
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Demongeot J, Fougère C. mRNA COVID-19 Vaccines-Facts and Hypotheses on Fragmentation and Encapsulation. Vaccines (Basel) 2022; 11:40. [PMID: 36679885 PMCID: PMC9864138 DOI: 10.3390/vaccines11010040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Revised: 12/14/2022] [Accepted: 12/23/2022] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND The adventure of the mRNA vaccine began thirty years ago in the context of influenza. This consisted in encapsulating the mRNA coding for a viral protein in a lipid particle. We show how the mRNA encoding S protein has been modified for that purpose in the context of the anti-SARS-CoV-2 vaccination. RESULTS by using data coming from genetic and epidemiologic databases, we show the theoretical possibility of fragmentation of this mRNA into small RNA sequences capable of inhibiting important bio-syntheses such as the production of beta-globin. DISCUSSION we discuss two aspects related to mRNA vaccine: (i) the plausibility of mRNA fragmentation, and (ii) the role of liposomal nanoparticles (LNPs) used in the vaccine and their impact on mRNA biodistribution. CONCLUSION we insist on the need to develop lipid nanoparticles allowing personalized administration of vaccines and avoiding adverse effects due to mRNA fragmentation and inefficient biodistribution. Hence, we recommend (i) adapting the mRNA of vaccines to the least mutated virus proteins and (ii) personalizing its administration to the categories of chronic patients at risk most likely to suffer from adverse effects.
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Affiliation(s)
- Jacques Demongeot
- AGEIS & Telecom4Health, Faculty of Medicine, University Grenoble Alpes, 38700 La Tronche, France
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Genetic variants determine intrafamilial variability of SARS-CoV-2 clinical outcomes in 19 Italian families. PLoS One 2022; 17:e0275988. [PMID: 36228008 PMCID: PMC9560599 DOI: 10.1371/journal.pone.0275988] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2022] [Accepted: 09/27/2022] [Indexed: 11/07/2022] Open
Abstract
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection results in a wide range of outcomes characterized by a high heterogeneity in both symptomatology and susceptibility to the disease. In such a perspective, COVID-19 may be considered as a multifactorial disease featured by the interaction between the environment, which is the virus itself, and the genetic profile of the host. Our analysis aimed at investigating the transmission dynamics of SARS-CoV-2 within families whose members responded in different ways to the infection, although the exposure was common to the entire group and occurred before the availability of any vaccine. The goal was to understand how the genetic background of each subject can influence the viral infection outcome and hence the above-mentioned clinical variability. We performed a segregation analysis in 19 Italian families with a designed custom panel of 42 genes involved in immunity and virus entry and which have also been shown to be related to SARS-CoV-2 host response. We carried out both a familial segregation analysis and a global statistical analysis. In the former we identified eighteen risk variants co-segregating with a COVID-positive status and six variants with a possible protective effect. In addition, sixteen variants showed a trend of association to a severe phenotype. Together with common SNPs, we detected private rare variants that may also provide insight into the observed clinical COVID-19 heterogeneity. The global statistical analysis confirmed statistically significant positive associations between SARS-CoV-2 individual response and some specific gene variants identified in familial analysis. In conclusion our data confirm that the clinical expression of COVID-19 is markedly influenced by the host genetic profile both with a mendelian transmission pattern and a polygenic architecture.
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Méndez-García LA, Escobedo G, Minguer-Uribe AG, Viurcos-Sanabria R, Aguayo-Guerrero JA, Carrillo-Ruiz JD, Solleiro-Villavicencio H. Role of the renin-angiotensin system in the development of COVID-19-associated neurological manifestations. Front Cell Neurosci 2022; 16:977039. [PMID: 36187294 PMCID: PMC9523599 DOI: 10.3389/fncel.2022.977039] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Accepted: 08/26/2022] [Indexed: 01/18/2023] Open
Abstract
SARS-CoV-2 causes COVID-19, which has claimed millions of lives. This virus can infect various cells and tissues, including the brain, for which numerous neurological symptoms have been reported, ranging from mild and non-life-threatening (e.g., headaches, anosmia, dysgeusia, and disorientation) to severe and life-threatening symptoms (e.g., meningitis, ischemic stroke, and cerebral thrombosis). The cellular receptor for SARS-CoV-2 is angiotensin-converting enzyme 2 (ACE2), an enzyme that belongs to the renin-angiotensin system (RAS). RAS is an endocrine system that has been classically associated with regulating blood pressure and fluid and electrolyte balance; however, it is also involved in promoting inflammation, proliferation, fibrogenesis, and lipogenesis. Two pathways constitute the RAS with counter-balancing effects, which is the key to its regulation. The first axis (classical) is composed of angiotensin-converting enzyme (ACE), angiotensin (Ang) II, and angiotensin type 1 receptor (AT1R) as the main effector, which -when activated- increases the production of aldosterone and antidiuretic hormone, sympathetic nervous system tone, blood pressure, vasoconstriction, fibrosis, inflammation, and reactive oxygen species (ROS) production. Both systemic and local classical RAS' within the brain are associated with cognitive impairment, cell death, and inflammation. The second axis (non-classical or alternative) includes ACE2, which converts Ang II to Ang-(1-7), a peptide molecule that activates Mas receptor (MasR) in charge of opposing Ang II/AT1R actions. Thus, the alternative RAS axis enhances cognition, synaptic remodeling, cell survival, cell signal transmission, and antioxidant/anti-inflammatory mechanisms in the brain. In a physiological state, both RAS axes remain balanced. However, some factors can dysregulate systemic and local RAS arms. The binding of SARS-CoV-2 to ACE2 causes the internalization and degradation of this enzyme, reducing its activity, and disrupting the balance of systemic and local RAS, which partially explain the appearance of some of the neurological symptoms associated with COVID-19. Therefore, this review aims to analyze the role of RAS in the development of the neurological effects due to SARS-CoV-2 infection. Moreover, we will discuss the RAS-molecular targets that could be used for therapeutic purposes to treat the short and long-term neurological COVID-19-related sequelae.
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Affiliation(s)
- Lucía A. Méndez-García
- Laboratory of Immunometabolism, Research Division, General Hospital of Mexico “Dr. Eduardo Liceaga,”Mexico City, Mexico
| | - Galileo Escobedo
- Laboratory of Immunometabolism, Research Division, General Hospital of Mexico “Dr. Eduardo Liceaga,”Mexico City, Mexico
| | - Alan Gerardo Minguer-Uribe
- Laboratory of Molecular Neuropathology, Cellular Physiology Institute, National Autonomous University of Mexico, Mexico City, Mexico
| | - Rebeca Viurcos-Sanabria
- Laboratory of Immunometabolism, Research Division, General Hospital of Mexico “Dr. Eduardo Liceaga,”Mexico City, Mexico
- PECEM, School of Medicine, National Autonomous University of Mexico, Mexico City, Mexico
| | - José A. Aguayo-Guerrero
- Laboratory of Immunometabolism, Research Division, General Hospital of Mexico “Dr. Eduardo Liceaga,”Mexico City, Mexico
| | - José Damián Carrillo-Ruiz
- Research Directorate, General Hospital of Mexico “Dr. Eduardo Liceaga,”Mexico City, Mexico
- Department of Neurology and Neurosurgery, General Hospital of Mexico “Dr. Eduardo Liceaga,”Mexico City, Mexico
- Facultad de Ciencias de la Salud, Universidad Anáhuac, Huixquilucan, Mexico
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SARS-CoV-2, COVID-19, and Reproduction: Effects on Fertility, Pregnancy, and Neonatal Life. Biomedicines 2022; 10:biomedicines10081775. [PMID: 35892675 PMCID: PMC9331824 DOI: 10.3390/biomedicines10081775] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 07/12/2022] [Accepted: 07/18/2022] [Indexed: 12/18/2022] Open
Abstract
Since its discovery in Wuhan, China, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has spread over the world, having a huge impact on people’s lives and health. The respiratory system is often targeted in people with the coronavirus disease 2019 (COVID-19). The virus can also infect many organs and tissues in the body, including the reproductive system. The consequences of the SARS-CoV-2 infection on fertility and pregnancy in hosts are poorly documented. Available data on other coronaviruses, such as severe acute respiratory syndrome (SARS-CoV) and Middle Eastern Respiratory Syndrome (MERS-CoV) coronaviruses, identified pregnant women as a vulnerable group with increased pregnancy-related complications. COVID-19 was also shown to impact pregnancy, which can be seen in either the mother or the fetus. Pregnant women more likely require COVID-19 intensive care treatment than non-pregnant women, and they are susceptible to giving birth prematurely and having their newborns admitted to the neonatal intensive care unit. Angiotensin converting enzyme 2 (ACE2), a key player of the ubiquitous renin-angiotensin system (RAS), is the principal host cellular receptor for SARS-CoV-2 spike protein. ACE2 is involved in the regulation of both male and female reproductive systems, suggesting that SARS-CoV-2 infection and associated RAS dysfunction could affect reproduction. Herein, we review the current knowledge about COVID-19 consequences on male and female fertility, pregnant women, and their fetuses. Furthermore, we describe the effects of COVID-19 vaccination on reproduction.
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Lino A, Cardoso MA, Martins‐Lopes P, Gonçalves HMR. Omicron - The new SARS-CoV-2 challenge? Rev Med Virol 2022; 32:e2358. [PMID: 35445774 PMCID: PMC9111063 DOI: 10.1002/rmv.2358] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 04/02/2022] [Accepted: 04/04/2022] [Indexed: 01/05/2023]
Abstract
SARS-CoV-2 virus has infected nearly 300 M people worldwide and has been associated with over 6 M deaths by March 2022. Since the virus emergence in December 2019 in Wuhan, several new mutations have been described. The World Health Organization has developed a working name for these emerging variants according to their impact on the worldwide population. In this context a high alert has been paid to variants of concern (VOC) due to their high infectiousness and transmissibility patterns. The most recent VOC, Omicron (B.1.1.529), has become dominant in the shortest time ever and has placed Europe under an overwhelming and unprecedented number of new cases. This variant has numerous mutations in regions that are associated with higher transmissibility, stronger viral binding, affinity and antibody escape. Moreover, the mutations and deletions present in the spike protein suggest that the SARS-CoV-2 specific attachment inhibitors may not be the best option for Omicron therapy. Omicron is the dominant variant circulating worldwide and, at the end of February 2022, it was responsible for nearly all sequences reported to GISAID. Omicron is made up of several sublineages, where the most common are BA.1 and BA.2 (or Nextstrain clade 21K and 21L, respectively). At a global level, it is possible to say that the proportion of BA.2 has been increasing relative to BA.1 and in some countries it has been replacing it at high rates. In order to better assess the Omicron effectiveness on antibody escape, spread and infectious ability it is of the highest relevance to maintain a worldwide tight surveillance. Even though this variant has been associated with a lower death rate, it is important to highlight that the number of people becoming infected is concerning and that further unpredictable mutations may emerge as the number of infected people rises.
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Affiliation(s)
- A. Lino
- BioISI ‐ Biosystems & Integrative Sciences InstituteFaculty of SciencesUniversity of LisbonLisbonPortugal
| | - M. A. Cardoso
- REQUIMTEInstituto Superior de Engenharia do PortoPortoPortugal
| | - P. Martins‐Lopes
- BioISI ‐ Biosystems & Integrative Sciences InstituteFaculty of SciencesUniversity of LisbonLisbonPortugal
- Department of Genetics and Biotechnology (DGB)University of Trás‐os‐Montes e Alto Douro (UTAD)Vila RealPortugal
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Grotemeyer A, McFleder RL, Wu J, Wischhusen J, Ip CW. Neuroinflammation in Parkinson's Disease - Putative Pathomechanisms and Targets for Disease-Modification. Front Immunol 2022; 13:878771. [PMID: 35663989 PMCID: PMC9158130 DOI: 10.3389/fimmu.2022.878771] [Citation(s) in RCA: 42] [Impact Index Per Article: 21.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Accepted: 04/20/2022] [Indexed: 12/15/2022] Open
Abstract
Parkinson’s disease (PD) is a progressive and debilitating chronic disease that affects more than six million people worldwide, with rising prevalence. The hallmarks of PD are motor deficits, the spreading of pathological α-synuclein clusters in the central nervous system, and neuroinflammatory processes. PD is treated symptomatically, as no causally-acting drug or procedure has been successfully established for clinical use. Various pathways contributing to dopaminergic neuron loss in PD have been investigated and described to interact with the innate and adaptive immune system. We discuss the possible contribution of interconnected pathways related to the immune response, focusing on the pathophysiology and neurodegeneration of PD. In addition, we provide an overview of clinical trials targeting neuroinflammation in PD.
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Affiliation(s)
| | | | - Jingjing Wu
- Department of Neurology, University Hospital Würzburg, Würzburg, Germany
| | - Jörg Wischhusen
- Section for Experimental Tumor Immunology, Department of Obstetrics and Gynecology, University Hospital of Würzburg, Würzburg, Germany
| | - Chi Wang Ip
- Department of Neurology, University Hospital Würzburg, Würzburg, Germany
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Zhang L, Zhang Y, Qin X, Jiang X, Zhang J, Mao L, Jiang Z, Jiang Y, Liu G, Qiu J, Chen C, Qiu F, Zou Z. Recombinant ACE2 protein protects against acute lung injury induced by SARS-CoV-2 spike RBD protein. Crit Care 2022; 26:171. [PMID: 35681221 PMCID: PMC9178547 DOI: 10.1186/s13054-022-04034-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2021] [Accepted: 05/27/2022] [Indexed: 01/08/2023] Open
Abstract
BACKGROUND SARS-CoV-2 infection leads to acute lung injury (ALI) and acute respiratory distress syndrome (ARDS). Both clinical data and animal experiments suggest that the renin-angiotensin system (RAS) is involved in the pathogenesis of SARS-CoV-2-induced ALI. Angiotensin-converting enzyme 2 (ACE2) is the functional receptor for SARS-CoV-2 and a crucial negative regulator of RAS. Recombinant ACE2 protein (rACE2) has been demonstrated to play protective role against SARS-CoV and avian influenza-induced ALI, and more relevant, rACE2 inhibits SARS-CoV-2 proliferation in vitro. However, whether rACE2 protects against SARS-CoV-2-induced ALI in animal models and the underlying mechanisms have yet to be elucidated. METHODS AND RESULTS Here, we demonstrated that the SARS-CoV-2 spike receptor-binding domain (RBD) protein aggravated lipopolysaccharide (LPS)-induced ALI in mice. SARS-CoV-2 spike RBD protein directly binds and downregulated ACE2, leading to an elevation in angiotensin (Ang) II. AngII further increased the NOX1/2 through AT1R, subsequently causing oxidative stress and uncontrolled inflammation and eventually resulting in ALI/ARDS. Importantly, rACE2 remarkably reversed SARS-CoV-2 spike RBD protein-induced ALI by directly binding SARS-CoV-2 spike RBD protein, cleaving AngI or cleaving AngII. CONCLUSION This study is the first to prove that rACE2 plays a protective role against SARS-CoV-2 spike RBD protein-aggravated LPS-induced ALI in an animal model and illustrate the mechanism by which the ACE2-AngII-AT1R-NOX1/2 axis might contribute to SARS-CoV-2-induced ALI.
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Affiliation(s)
- Lingbing Zhang
- Department of Pharmacy, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Yandan Zhang
- Molecular Biology Laboratory of Respiratory Disease, Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Xia Qin
- Department of Pharmacy, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Xuejun Jiang
- Center of Experimental Teaching for Public Health, Experimental Teaching and Management Center, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Jun Zhang
- Molecular Biology Laboratory of Respiratory Disease, Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, People's Republic of China
- Research Center for Environment and Human Health, School of Public Health, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Lejiao Mao
- Molecular Biology Laboratory of Respiratory Disease, Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Ziqi Jiang
- Molecular Biology Laboratory of Respiratory Disease, Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, People's Republic of China
| | - Yu Jiang
- Department of Respiratory Medicine, The University-Town Hospital of Chongqing Medical University, Chongqing, 401331, People's Republic of China
| | - Gang Liu
- Department of Emergency, The University-Town Hospital of Chongqing Medical University, Chongqing, 401331, People's Republic of China
| | - Jingfu Qiu
- Research Center for Environment and Human Health, School of Public Health, Chongqing Medical University, Chongqing, 400016, People's Republic of China.
- Department of Health Laboratory Technology, School of Public Health, Chongqing Medical University, Chongqing, 400016, People's Republic of China.
| | - Chengzhi Chen
- Research Center for Environment and Human Health, School of Public Health, Chongqing Medical University, Chongqing, 400016, People's Republic of China.
- Department of Occupational and Environmental Health, School of Public Health, Chongqing Medical University, Chongqing, 400016, People's Republic of China.
| | - Feng Qiu
- Department of Pharmacy, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, People's Republic of China.
| | - Zhen Zou
- Molecular Biology Laboratory of Respiratory Disease, Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, People's Republic of China.
- Research Center for Environment and Human Health, School of Public Health, Chongqing Medical University, Chongqing, 400016, People's Republic of China.
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Khazaal S, Harb J, Rima M, Annweiler C, Wu Y, Cao Z, Abi Khattar Z, Legros C, Kovacic H, Fajloun Z, Sabatier JM. The Pathophysiology of Long COVID throughout the Renin-Angiotensin System. Molecules 2022; 27:2903. [PMID: 35566253 PMCID: PMC9101946 DOI: 10.3390/molecules27092903] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 04/28/2022] [Accepted: 04/29/2022] [Indexed: 01/08/2023] Open
Abstract
COVID-19 has expanded across the world since its discovery in Wuhan (China) and has had a significant impact on people's lives and health. Long COVID is a term coined by the World Health Organization (WHO) to describe a variety of persistent symptoms after acute SARS-CoV-2 infection. Long COVID has been demonstrated to affect various SARS-CoV-2-infected persons, independently of the acute disease severity. The symptoms of long COVID, like acute COVID-19, consist in the set of damage to various organs and systems such as the respiratory, cardiovascular, neurological, endocrine, urinary, and immune systems. Fatigue, dyspnea, cardiac abnormalities, cognitive and attention impairments, sleep disturbances, post-traumatic stress disorder, muscle pain, concentration problems, and headache were all reported as symptoms of long COVID. At the molecular level, the renin-angiotensin system (RAS) is heavily involved in the pathogenesis of this illness, much as it is in the acute phase of the viral infection. In this review, we summarize the impact of long COVID on several organs and tissues, with a special focus on the significance of the RAS in the disease pathogenesis. Long COVID risk factors and potential therapy approaches are also explored.
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Affiliation(s)
- Shaymaa Khazaal
- Faculty of Sciences 3, Department of Biology, Lebanese University, Campus Michel Slayman Ras Maska, Tripoli P.O. Box 45061, Lebanon;
| | - Julien Harb
- Faculty of Medicine and Medical Sciences, University of Balamand, Dekouene Campus, Sin El Fil P.O. Box 55251, Lebanon;
| | - Mohamad Rima
- Laboratory of Applied Biotechnology (LBA3B), Azm Center for Research in Biotechnology and Its Applications, EDST, Lebanese University, Tripoli P.O. Box 45061, Lebanon;
| | - Cédric Annweiler
- Department of Geriatric Medicine and Memory Clinic, Research Center on Autonomy and Longevity, University Hospital & Laboratoire de Psychologie des Pays de la Loire, LPPL EA 4638, SFR Confluences, University of Angers, 44312 Angers, France;
| | - Yingliang Wu
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan 430072, China; (Y.W.); (Z.C.)
| | - Zhijian Cao
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan University, Wuhan 430072, China; (Y.W.); (Z.C.)
| | - Ziad Abi Khattar
- Laboratory of Georesources, Geosciences and Environment (L2GE), Microbiology/Tox-Ecotoxicology Team, Faculty of Sciences 2, Lebanese University, Campus Fanar, Jdeidet El-Matn, Beirut P.O. Box 90656, Lebanon;
| | - Christian Legros
- INSERM, CNRS, MITOVASC, Team 2 CarMe, SFR ICAT, University of Angers, 49000, France;
| | - Hervé Kovacic
- Institut de Neurophysiopathologie (INP), Aix-Marseille Université CNRS, 13385 Marseille, France;
| | - Ziad Fajloun
- Faculty of Sciences 3, Department of Biology, Lebanese University, Campus Michel Slayman Ras Maska, Tripoli P.O. Box 45061, Lebanon;
- Laboratory of Applied Biotechnology (LBA3B), Azm Center for Research in Biotechnology and Its Applications, EDST, Lebanese University, Tripoli P.O. Box 45061, Lebanon;
| | - Jean-Marc Sabatier
- Institut de Neurophysiopathologie (INP), Aix-Marseille Université CNRS, 13385 Marseille, France;
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Krenn K, Tretter V, Kraft F, Ullrich R. The Renin-Angiotensin System as a Component of Biotrauma in Acute Respiratory Distress Syndrome. Front Physiol 2022; 12:806062. [PMID: 35498160 PMCID: PMC9043684 DOI: 10.3389/fphys.2021.806062] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2021] [Accepted: 12/29/2021] [Indexed: 12/13/2022] Open
Abstract
Acute respiratory distress syndrome (ARDS) is a major concern in critical care medicine with a high mortality of over 30%. Injury to the lungs is caused not only by underlying pathological conditions such as pneumonia, sepsis, or trauma, but also by ventilator-induced lung injury (VILI) resulting from high positive pressure levels and a high inspiratory oxygen fraction. Apart from mechanical factors that stress the lungs with a specific physical power and cause volutrauma and barotrauma, it is increasingly recognized that lung injury is further aggravated by biological mediators. The COVID-19 pandemic has led to increased interest in the role of the renin-angiotensin system (RAS) in the context of ARDS, as the RAS enzyme angiotensin-converting enzyme 2 serves as the primary cell entry receptor for severe acute respiratory syndrome (SARS) coronavirus (CoV)-2. Even before this pandemic, studies have documented the involvement of the RAS in VILI and its dysregulation in clinical ARDS. In recent years, analytical tools for RAS investigation have made major advances based on the optimized precision and detail of mass spectrometry. Given that many clinical trials with pharmacological interventions in ARDS were negative, RAS-modifying drugs may represent an interesting starting point for novel therapeutic approaches. Results from animal models have highlighted the potential of RAS-modifying drugs to prevent VILI or treat ARDS. While these drugs have beneficial pulmonary effects, the best targets and application forms for intervention still have to be determined to avoid negative effects on the circulation in clinical settings.
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Angiotensin II Type I Receptor (AT1R): The Gate towards COVID-19-Associated Diseases. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27072048. [PMID: 35408447 PMCID: PMC9000463 DOI: 10.3390/molecules27072048] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/08/2022] [Revised: 03/14/2022] [Accepted: 03/21/2022] [Indexed: 01/08/2023]
Abstract
The binding of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike glycoprotein to its cellular receptor, the angiotensin-converting enzyme 2 (ACE2), causes its downregulation, which subsequently leads to the dysregulation of the renin-angiotensin system (RAS) in favor of the ACE-angiotensin II (Ang II)-angiotensin II type I receptor (AT1R) axis. AT1R has a major role in RAS by being involved in several physiological events including blood pressure control and electrolyte balance. Following SARS-CoV-2 infection, pathogenic episodes generated by the vasoconstriction, proinflammatory, profibrotic, and prooxidative consequences of the Ang II-AT1R axis activation are accompanied by a hyperinflammatory state (cytokine storm) and an acute respiratory distress syndrome (ARDS). AT1R, a member of the G protein-coupled receptor (GPCR) family, modulates Ang II deleterious effects through the activation of multiple downstream signaling pathways, among which are MAP kinases (ERK 1/2, JNK, p38MAPK), receptor tyrosine kinases (PDGF, EGFR, insulin receptor), and nonreceptor tyrosine kinases (Src, JAK/STAT, focal adhesion kinase (FAK)), and nicotinamide adenine dinucleotide phosphate (NADPH) oxidase. COVID-19 is well known for generating respiratory symptoms, but because ACE2 is expressed in various body tissues, several extrapulmonary pathologies are also manifested, including neurologic disorders, vasculature and myocardial complications, kidney injury, gastrointestinal symptoms, hepatic injury, hyperglycemia, and dermatologic complications. Therefore, the development of drugs based on RAS blockers, such as angiotensin II receptor blockers (ARBs), that inhibit the damaging axis of the RAS cascade may become one of the most promising approaches for the treatment of COVID-19 in the near future. We herein review the general features of AT1R, with a special focus on the receptor-mediated activation of the different downstream signaling pathways leading to specific cellular responses. In addition, we provide the latest insights into the roles of AT1R in COVID-19 outcomes in different systems of the human body, as well as the role of ARBs as tentative pharmacological agents to treat COVID-19.
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Mégarbane B. The Time Has Come to Understand the Mechanisms by Which Comorbidities Contribute to COVID-19 Severity. J Pers Med 2022; 12:123. [PMID: 35207612 PMCID: PMC8878418 DOI: 10.3390/jpm12020123] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2022] [Accepted: 01/14/2022] [Indexed: 11/30/2022] Open
Abstract
A new coronavirus named severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) has been responsible for a worldwide pandemic for two years, resulting in almost 280 million infections and 5 [...].
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Affiliation(s)
- Bruno Mégarbane
- Department of Medical and Toxicological Critical Care, Lariboisière Hospital, INSERM UMRS-1144, Paris-University, 75010 Paris, France
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Fajloun Z, Kovacic H, Annweiler C, Wu Y, Cao Z, Sabatier JM. SARS-CoV-2-Induced Neurological Disorders in Symptomatic Covid-19 and Long Covid Patients: Key Role of Brain Renin-Angiotensin System. Infect Disord Drug Targets 2022; 22:e060422203203. [PMID: 35388764 DOI: 10.2174/1871526522666220406124618] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 03/24/2022] [Accepted: 03/24/2022] [Indexed: 11/22/2022]
Affiliation(s)
- Ziad Fajloun
- Department of Biology, Faculty of Sciences 3, Lebanese University, Campus Michel Slayman Ras Maska, 1352 Tripoli, Lebanon
- Laboratory of Applied Biotechnology (LBA3B), Azm Center for Research in Biotechnology and its Applications, EDST, Lebanese University, 1300 Tripoli, Lebanon
| | - Hervé Kovacic
- Aix-Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13385 Marseille, France
| | - Cédric Annweiler
- Department of Geriatric Medicine and Memory Clinic, Research Center on Autonomy and Longevity, University Hospital, Angers, France
- Laboratoire de Psychologie des Pays de la Loire, LPPL EA 4638, SFR Confluences, University of Angers, Angers, France
| | - Yingliang Wu
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan, University, Wuhan 430072, China
| | - Zhijian Cao
- State Key Laboratory of Virology, Modern Virology Research Center, College of Life Sciences, Wuhan, University, Wuhan 430072, China
| | - Jean-Marc Sabatier
- Aix-Marseille Univ, CNRS, INP, Inst Neurophysiopathol, 13385 Marseille, France
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Cure MC, Cure E. Prolonged NHE Activation may be both Cause and Outcome of Cytokine Release Syndrome in COVID-19. Curr Pharm Des 2022; 28:1815-1822. [PMID: 35838211 DOI: 10.2174/1381612828666220713121741] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Accepted: 06/27/2022] [Indexed: 02/06/2023]
Abstract
The release of cytokines and chemokines such as IL-1β, IL-2, IL-6, IL-7, IL-10, TNF-α, IFN-γ, CCL2, CCL3, and CXCL10 is increased in critically ill patients with COVID-19. Excessive cytokine release during COVID-19 is related to increased morbidity and mortality. Several mechanisms are put forward for cytokine release syndrome during COVID-19. Here we have mentioned novel pathways. SARS-CoV-2 increases angiotensin II levels by rendering ACE2 nonfunctional. Angiotensin II causes cytokine release via AT1 and AT2 receptors. Moreover, angiotensin II potently stimulates the Na+/H+ exchanger (NHE). It is a pump found in the membranes of many cells that pumps Na+ inward and H+ outward. NHE has nine isoforms. NHE1 is the most common isoform found in endothelial cells and many cells. NHE is involved in keeping the intracellular pH within physiological limits. When the intracellular pH is acidic, NHE is activated, bringing the intracellular pH to physiological levels, ending its activity. Sustained NHE activity is highly pathological and causes many problems. Prolonged NHE activation in COVID-19 may cause a decrease in intracellular pH through H+ ion accumulation in the extracellular area and subsequent redox reactions. The activation reduces the intracellular K+ concentration and leads to Na+ and Ca2+ overload. Increased ROS can cause intense cytokine release by stimulating NF-κB and NLRP3 inflammasomes. Cytokines also cause overstimulation of NHE. As the intracellular pH decreases, SARS-CoV-2 rapidly infects new cells, increasing the viral load. This vicious circle increases morbidity and mortality in patients with COVID-19. On the other hand, SARS-CoV-2 interaction with NHE3 in intestinal tissue is different from other tissues. SARS-CoV-2 can trigger CRS via NHE3 inhibition by disrupting the intestinal microbiota. This review aimed to help develop new treatment models against SARS-CoV-2- induced CRS by revealing the possible effects of SARS-CoV-2 on the NHE.
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Affiliation(s)
| | - Erkan Cure
- Department of Internal Medicine, Bagcilar Medilife Hospital, Istanbul, Turkey
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