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Saleki K, Alijanizadeh P, Azadmehr A. Is neuropilin-1 the neuroimmune initiator of multi-system hyperinflammation in COVID-19? Biomed Pharmacother 2023; 167:115558. [PMID: 37748412 DOI: 10.1016/j.biopha.2023.115558] [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: 07/09/2023] [Revised: 09/16/2023] [Accepted: 09/19/2023] [Indexed: 09/27/2023] Open
Abstract
A major immunopathological feature of Coronavirus disease-2019 (COVID-19) is excessive inflammation in the form of "cytokine storm". The storm is characterized by injurious levels of cytokines which form a complicated network damaging different organs, including the lungs and the brain. The main starter of "cytokine network" hyperactivation in COVID-19 has not been discovered yet. Neuropilins (NRPs) are transmembrane proteins that act as neuronal guidance and angiogenesis modulators. The crucial function of NRPs in forming the nervous and vascular systems has been well-studied. NRP1 and NRP2 are the two identified homologs of NRP. NRP1 has been shown as a viral entry pathway for SARS-CoV2, which facilitates neuroinvasion by the virus within the central or peripheral nervous systems. These molecules directly interact with various COVID-19-related molecules, such as specific regions of the spike protein (major immune element of SARS-CoV2), vascular endothelial growth factor (VEGF) receptors, VEGFR1/2, and ANGPTL4 (regulator of vessel permeability and integrity). NRPs mainly play a role in hyperinflammatory injury of the CNS and lungs, and also the liver, kidney, pancreas, and heart in COVID-19 patients. New findings have suggested NRPs good candidates for pharmacotherapy of COVID-19. However, therapeutic targeting of NRP1 in COVID-19 is still in the preclinical phase. This review presents the implications of NRP1 in multi-organ inflammation-induced injury by SARS-CoV2 and provides insights for NRP1-targeting treatments for COVID-19 patients.
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Affiliation(s)
- Kiarash Saleki
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran; Department of e-Learning, Virtual School of Medical Education and Management, Shahid Beheshti University of Medical Sciences(SBMU), Tehran, Iran; USERN Office, Babol University of Medical Sciences, Babol, Iran
| | - Parsa Alijanizadeh
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran; USERN Office, Babol University of Medical Sciences, Babol, Iran
| | - Abbas Azadmehr
- Immunology Department, Babol University of Medical Sciences, Babol, Iran; Cellular and Molecular Biology Research Center Health Research Institute, Babol University of Medical Sciences, Babol, Iran.
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Al-kuraishy HM, Al-Buhadily AK, Al-Gareeb AI, Alorabi M, Hadi Al-Harcan NA, El-Bouseary MM, Batiha GES. Citicoline and COVID-19: vis-à-vis conjectured. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2022; 395:1463-1475. [PMID: 36063198 PMCID: PMC9442587 DOI: 10.1007/s00210-022-02284-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/25/2022] [Accepted: 08/23/2022] [Indexed: 11/29/2022]
Abstract
Coronavirus disease 2019 (COVID-19) is a current pandemic disease caused by a novel severe acute respiratory syndrome coronavirus virus respiratory type 2 (SARS-CoV-2). SARS-CoV-2 infection is linked with various neurological manifestations due to cytokine-induced disruption of the blood brain barrier (BBB), neuroinflammation, and peripheral neuronal injury, or due to direct SARS-CoV-2 neurotropism. Of note, many repurposed agents were included in different therapeutic protocols in the management of COVID-19. These agents did not produce an effective therapeutic eradication of SARS-CoV-2, and continuing searching for novel anti-SARS-CoV-2 agents is a type of challenge nowadays. Therefore, this study aimed to review the potential anti-inflammatory and antioxidant effects of citicoline in the management of COVID-19.
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Affiliation(s)
- Hayder M. Al-kuraishy
- Department of Clinical Pharmacology and Medicine, College of Medicine, Al-Mustansiriya University, Baghdad, Iraq
| | - Ali K. Al-Buhadily
- Department of Clinical Pharmacology and Medicine, College of Medicine, Al-Mustansiriya University, Baghdad, Iraq
| | - Ali I. Al-Gareeb
- Department of Clinical Pharmacology and Medicine, College of Medicine, Al-Mustansiriya University, Baghdad, Iraq
| | - Mohammed Alorabi
- Department of Biotechnology, College of Sciences, Taif University, P.O. Box 11099, Taif, 21944 Saudi Arabia
| | - Nasser A. Hadi Al-Harcan
- Department of Clinical Pharmacology and Medicine, College of Medicine, Al-Rasheed University College, Baghdad, Iraq
| | - Maisra M. El-Bouseary
- Department of Pharmaceutical Microbiology, Faculty of Pharmacy, Tanta University, Tanta, Egypt
| | - Gaber El-Saber Batiha
- Department of Pharmacology and Therapeutics, Faculty of Veterinary Medicine, Damanhour University, AlBeheira, Damanhour, 22511 Egypt
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Niknahad A, Lakzian E, Saeedi A. Investigation of the effects of mechanical and underfloor heating systems on the COVID-19 viruses distribution. EUROPEAN PHYSICAL JOURNAL PLUS 2022; 137:798. [PMID: 35845823 PMCID: PMC9271557 DOI: 10.1140/epjp/s13360-022-02995-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/23/2022] [Accepted: 06/22/2022] [Indexed: 06/15/2023]
Abstract
Investigation of the spread of pollutants and especially pathogenic particles in the interior of today's buildings has become an integral part of the design of such buildings. When the Coronavirus is prevalent in the world, it is necessary to pay attention to the spread of the virus in the interior of residential apartments. In the present study, the Coronavirus particles emitted from the sneezing of a sick person in the bedroom of a residential apartment were tracked. Meanwhile, the degree of exposure of a mannequin that has been placed in the living room playing the role of a healthy person is examined. In this research, a segregated solution of steady-state flow and an unsteady particle solution have been separately used: a suitable, accurate, and optimal solution in particle studies. A comparison of the results shows that underfloor heating creates a healthier space around the healthy person's respiratory system, but instead, we will see more polluted areas around the sick person. According to the PRE results, the PRE value for a mechanical heating system is higher than a floor heating system. Therefore, it is recommended to use mechanical heating system in the apartments where the person with COVID-19 is hospitalized.
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Affiliation(s)
- Ali Niknahad
- Center of Computational Energy, Department of Mechanical Engineering, Hakim Sabzevari University, Sabzevar, Iran
| | - Esmail Lakzian
- Center of Computational Energy, Department of Mechanical Engineering, Hakim Sabzevari University, Sabzevar, Iran
- Peoples’ Friendship, University of Russia (RUDN University), 6 Miklukho‑Maklaya Street, 117198 Moscow, Russian Federation, Russia
| | - Arastoo Saeedi
- Head of Imam Ali Clinic, Oil Industry Health Organization, Shiraz, Iran
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Zalpoor H, Shapourian H, Akbari A, Shahveh S, Haghshenas L. Increased neuropilin-1 expression by COVID-19: a possible cause of long-term neurological complications and progression of primary brain tumors. Hum Cell 2022; 35:1301-1303. [PMID: 35534753 PMCID: PMC9084541 DOI: 10.1007/s13577-022-00716-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/01/2022] [Indexed: 12/12/2022]
Affiliation(s)
- Hamidreza Zalpoor
- Shiraz Neuroscience Research Center, Shiraz University of Medical Sciences, Shiraz, Iran.
- Network of Immunity in Infection, Malignancy & Autoimmunity (NIIMA), Universal Scientific Education & Research Network (USERN), Tehran, Iran.
- American Association of Kidney Patients, Tampa, FL, USA.
| | - Hooriyeh Shapourian
- Department of Immunology, Faculty of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Abdullatif Akbari
- Shiraz Neuroscience Research Center, Shiraz University of Medical Sciences, Shiraz, Iran
- Network of Immunity in Infection, Malignancy & Autoimmunity (NIIMA), Universal Scientific Education & Research Network (USERN), Tehran, Iran
| | - Shaghayegh Shahveh
- American Association of Naturopath Physician (AANP), Washington, DC, USA
| | - Leila Haghshenas
- PhD, Postdoc Association Member of Harvard Medical School, Boston, MA, USA
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Manolopoulos A, Katsoulas G, Kintos V, Koutsokera M, Lykou C, Lapaki KM, Acquaviva PT. Isolated Abducens Nerve Palsy in a Patient With COVID-19: A Case Report and Literature Review. Neurologist 2022; 27:139-142. [PMID: 34855673 PMCID: PMC9066501 DOI: 10.1097/nrl.0000000000000382] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
Abstract
INTRODUCTION The pandemic of coronavirus disease 2019 (COVID-19) stands as a major global health and social burden. As cases are growing, several other symptoms, besides the typical respiratory ones, are emerging. The involvement of the nervous system is increasingly recognized with manifestations ranging from hyposmia to meningoencephalitis and cranial neuropathies. CASE REPORT We report the case of a 41-year-old female patient who presented to the emergency department complaining of diplopia and headache over the last 2 days. She denied any medical history, as well as any other neurological or respiratory symptom. A detailed neurological and ophthalmological examination revealed a limitation to the abduction of the right eye due to palsy of the right lateral rectus muscle causing painless, horizontal diplopia in the right gaze. The computed tomography of the brain was normal. Based on the detected lymphopenia, she was tested for COVID-19 and was positive. The cerebrospinal fluid analysis showed no abnormalities, while also a repeated head computed tomography was similarly normal. The patient received no specialized medical treatment, and after 6 days, she was discharged home having a minimal degree of persistent diplopia. Two weeks later, brain magnetic resonance imaging was performed that was similarly unrevealing. CONCLUSIONS Isolated abducens nerve palsy can be the only presenting symptom in COVID-19. Although several pathophysiological mechanisms have been proposed, the exact nature of this manifestation has not been clarified yet. Vigilance is required by neurologists to detect and manage patients with such subtle clinical presentations.
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Caillet-Saguy C, Wolff N. PDZ-Containing Proteins Targeted by the ACE2 Receptor. Viruses 2021; 13:2281. [PMID: 34835087 PMCID: PMC8624105 DOI: 10.3390/v13112281] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 11/09/2021] [Accepted: 11/10/2021] [Indexed: 12/28/2022] Open
Abstract
Angiotensin-converting enzyme 2 (ACE2) is a main receptor for SARS-CoV-2 entry to the host cell. Indeed, the first step in viral entry is the binding of the viral trimeric spike (S) protein to ACE2. Abundantly present in human epithelial cells of many organs, ACE2 is also expressed in the human brain. ACE2 is a type I membrane protein with an extracellular N-terminal peptidase domain and a C-terminal collectrin-like domain that ends with a single transmembrane helix and an intracellular 44-residue segment. This C-terminal segment contains a PDZ-binding motif (PBM) targeting protein-interacting domains called PSD-95/Dlg/ZO-1 (PDZ). Here, we identified the human PDZ specificity profile of the ACE2 PBM using the high-throughput holdup assay and measuring the binding intensities of the PBM of ACE2 against the full human PDZome. We discovered 14 human PDZ binders of ACE2 showing significant binding with dissociation constants' values ranging from 3 to 81 μM. NHERF, SHANK, and SNX27 proteins found in this study are involved in protein trafficking. The PDZ/PBM interactions with ACE2 could play a role in ACE2 internalization and recycling that could be of benefit for the virus entry. Interestingly, most of the ACE2 partners we identified are expressed in neuronal cells, such as SHANK and MAST families, and modifications of the interactions between ACE2 and these neuronal proteins may be involved in the neurological symptoms of COVID-19.
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Affiliation(s)
- Célia Caillet-Saguy
- Unité Récepteurs-Canaux, Institut Pasteur, UMR CNRS 3571, 75015 Paris, France
| | - Nicolas Wolff
- Unité Récepteurs-Canaux, Institut Pasteur, UMR CNRS 3571, 75015 Paris, France
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Becker RC. Autonomic dysfunction in SARS-COV-2 infection acute and long-term implications COVID-19 editor's page series. J Thromb Thrombolysis 2021; 52:692-707. [PMID: 34403043 PMCID: PMC8367772 DOI: 10.1007/s11239-021-02549-6] [Citation(s) in RCA: 36] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/26/2021] [Indexed: 12/13/2022]
Abstract
Abstract The autonomic nervous system (ANS) is a complex network of nerves originating in the brain, brain stem, spinal cord, heart and extracardiac organs that regulates neural and physiological responses to internal and external environments and conditions. A common observation among patients with the 2019 Coronavirus (CoV) (SARS-severe acute respiratory syndrome CoV-2) (SARS-CoV-2) or COVID-19 [CO for corona, VI for virus, D for disease and 19 for when the outbreak was first identified (31 December 2019)] in the acute and chronic phases of the disease is tachycardia, labile blood pressure, muscular fatigue and shortness of breath. Because abnormalities in the ANS can contribute to each of these symptoms, herein a review of autonomic dysfunction in SARS-COV-2 infection is provided to guide diagnostic testing, patient care and research initiatives. Graphic abstract The autonomic nervous system is a complex network of nerves originating in the brain, brain stem, spinal cord, heart and extracardiac organs that regulates neural and physiological responses to internal and external environments and conditions. A common collection of signs and symptoms among patients with the 2019 Coronavirus (CoV) (SARS-severe acute respiratory syndrome CoV-2) (SARS-CoV-2) or COVID-19 [CO for corona, VI for virus, D for disease and 19 for when the outbreak was first identified (31 December 2019)] is tachycardia, labile blood pressure, muscular fatigue and shortness of breath. Abnormalities in the autonomic nervous system (ANS) can contribute to each of these identifiers, potentially offering a unifying pathobiology for acute, subacute and the long-term sequelae of SARS-CoV-2 infection (PASC) and a target for intervention.
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Affiliation(s)
- Richard C Becker
- Heart, Lung and Vascular Institute, University of Cincinnati College of Medicine, 231 Albert Sabin Way, Cincinnati, OH, 45267, USA.
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Rey F. Structure-function relations of the SARS-CoV-2 spike protein and impact of mutations in the variants of concern. C R Biol 2021; 344:77-110. [PMID: 34213849 DOI: 10.5802/crbiol.53] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
This review covers the main features of the severe acquired respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein, its interaction with the main entry receptor, the human angiotensin converting enzyme 2 (ACE2), and the subsequent membrane fusion step. The focus is on the structural organization of these proteins and mechanistic aspects of their interactions that lead to cytoplasmic release of the viral genome. The most potently neutralizing antibodies against SARS-CoV-2 were shown to interfere with the spike/ACE2 interaction. I thus also review the location and the potential impact of mutations in the spike protein observed in the variants of concern that emerged concomitantly with acquired immunity in the population after one year of virus circulation. Understanding how these interactions affect the spike/ACE2 interactions and the subsequent spike-protein-induced membrane fusion reaction is important to stay one step ahead of the virus evolution and develop efficient countermeasures.
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Affiliation(s)
- Félix Rey
- Unité de Virologie Structurale, CNRS UMR 3569, Institut Pasteur, 28 rue du Dr Roux, 75015 Paris, France
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