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Alsaleh AN, Aziz IM, Alkubaisi NA, Almajhdi FN. Genetic analysis of human parainfluenza type 2 virus in Riyadh, Saudi Arabia. Virus Genes 2024; 60:1-8. [PMID: 37906378 DOI: 10.1007/s11262-023-02035-6] [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: 07/10/2023] [Accepted: 10/09/2023] [Indexed: 11/02/2023]
Abstract
The extensive mass gathering of pilgrims from all over the world, as well as the constant flow of foreign workers via country entry crossings, raises the likelihood of respiratory virus outbreaks spreading and evolving in Saudi Arabia. Here, we report the sequence and phylogenetic analysis of the human parainfluenza type-2 (HPIV-2) in nasopharyngeal aspirates (NPAs) collected from Riyadh, Saudi Arabia, from 2020/21 to 2021/22 seasons. RNA was extracted from the clinical samples and subjected to RT-PCR analysis for the detection of IAV and IBV. The full-length HN gene of HPIV-2 was amplified and sequenced. Multiple sequence alignments (both nucleotides and deduced amino acids) were aligned using Clustal W, MegAlign program of Lasergene software, and MEGA 7.0. HPIV-2 was found in (4; 2% of 200) NPAs. Sequence and phylogenetic analysis results showed that indicated a genotype shifting from G3 to G4a with 83% sequence homology 62-M786 from Japan, which was prominent throughout the winter seasons of 2008/09. Multiple amino acid sequence alignment revealed 25 sites of possible difference between G3 genotypes and G4a. A total of twenty- two of these locations were shared by the other G4a genotypes, whereas three positions, 67 V, 175 S, and 377Q, were exclusively shared by G3. Only eight conserved N-glycosylation sites were found at amino acids 6(NLS), 286(NTT), 335(NIT), 388(NNS), 498(NES), 504(NPT), 517(NTT), and 539(NGT) in four Riyadh isolates. Our findings also revealed that the G4a genotype of HPIV-2 predominated in our samples population during the winter seasons of 2020/21 and 2021/22. Further research with a larger sample size covering numerous regions of Saudi Arabia throughout different epidemic seasons is needed to achieve an improved knowledge of HPIV-2 circulation.
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Affiliation(s)
- Asma N Alsaleh
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Ibrahim M Aziz
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Noorah A Alkubaisi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia
| | - Fahad N Almajhdi
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, 11451, Saudi Arabia.
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2
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Rota P, La Rocca P, Bonfante F, Pagliari M, Cirillo F, Piccoli M, Ghiroldi A, Franco V, Pappone C, Allevi P, Anastasia L. Interplay of Modified Sialic Acid Inhibitors and the Human Parainfluenza Virus 1 Hemagglutinin-Neuraminidase Active Site. ACS Med Chem Lett 2023; 14:1383-1388. [PMID: 37849540 PMCID: PMC10577888 DOI: 10.1021/acsmedchemlett.3c00291] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2023] [Accepted: 09/20/2023] [Indexed: 10/19/2023] Open
Abstract
In the search for effective antivirals against Paramyxoviridae, the dynamics of human parainfluenza virus type 1 hemagglutinin-neuraminidase (hPIV1-HN) inhibition offers a promising perspective. This study focuses on the potential of C5- and C4-modified 2,3-unsaturated sialic acid (DANA) inhibitors and highlights their interaction with the hPIV1-HN enzyme. We show that a strategic substitution, replacing the C5 isopropyl group in BCX 2798 with a trifluoroacetyl function, increases inhibitory potency 3- to 4-fold. At the same time, we explore the special properties of the catalytic site of hPIV1-HN, which harbors only small substituents and favors a C4 sulfonylamido function over a carbonyl function, in contrast to the C4 pocket of Newcastle disease virus hemagglutinin-neuraminidase (NDV-HN). Based on these findings, we present a newly identified potent inhibitor that has the preferred C5 trifluoroacetamido and C4 trifluorosulfonylamide groups. The results of this study pave the way for a deeper understanding of the C4 and C5 binding pockets of hPIV1-HN and promote the development of new, more selective inhibitors.
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Affiliation(s)
- Paola Rota
- Department
of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, 20133 Milan, Italy
- Institute
for Molecular and Translational Cardiology, San Donato Milanese, 20097 Milan, Italy
| | - Paolo La Rocca
- Institute
for Molecular and Translational Cardiology, San Donato Milanese, 20097 Milan, Italy
- Department
of Biomedical Sciences for Health, Università
degli Studi di Milano, 20133 Milan, Italy
| | - Francesco Bonfante
- Division
of Comparative Biomedical Sciences, Istituto
Zooprofilattico Sperimentale delle Venezie, 35020 Legnaro, Italy
| | - Matteo Pagliari
- Division
of Comparative Biomedical Sciences, Istituto
Zooprofilattico Sperimentale delle Venezie, 35020 Legnaro, Italy
- Division
of Pediatric Infectious Diseases, Department for Women’s and
Children’s Health, University of
Padua, 35128 Padua, Italy
| | - Federica Cirillo
- Institute
for Molecular and Translational Cardiology, San Donato Milanese, 20097 Milan, Italy
- Laboratory
of Stem Cells for Tissue Engineering, IRCCS
Policlinico San Donato, San Donato
Milanese, 20097 Milan Italy
| | - Marco Piccoli
- Institute
for Molecular and Translational Cardiology, San Donato Milanese, 20097 Milan, Italy
- Laboratory
of Stem Cells for Tissue Engineering, IRCCS
Policlinico San Donato, San Donato
Milanese, 20097 Milan Italy
| | - Andrea Ghiroldi
- Institute
for Molecular and Translational Cardiology, San Donato Milanese, 20097 Milan, Italy
- Laboratory
of Stem Cells for Tissue Engineering, IRCCS
Policlinico San Donato, San Donato
Milanese, 20097 Milan Italy
| | - Valentina Franco
- Division
of Clinical and Experimental Pharmacology, Department of Internal
Medicine and Therapeutics, University of
Pavia, 27100 Pavia, Italy
- IRCCS,
Mondino Foundation, 27100 Pavia, Italy
| | - Carlo Pappone
- Institute
for Molecular and Translational Cardiology, San Donato Milanese, 20097 Milan, Italy
- Arrhythmology
Department, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan Italy
- Faculty of
Medicine, University of Vita-Salute San
Raffaele, 20132 Milan, Italy
| | - Pietro Allevi
- Department
of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, 20133 Milan, Italy
| | - Luigi Anastasia
- Institute
for Molecular and Translational Cardiology, San Donato Milanese, 20097 Milan, Italy
- Laboratory
of Stem Cells for Tissue Engineering, IRCCS
Policlinico San Donato, San Donato
Milanese, 20097 Milan Italy
- Faculty of
Medicine, University of Vita-Salute San
Raffaele, 20132 Milan, Italy
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3
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Rota P, La Rocca P, Bonfante F, Pagliari M, Piccoli M, Cirillo F, Ghiroldi A, Franco V, Pappone C, Allevi P, Anastasia L. Design, Synthesis, and Antiviral Evaluation of Sialic Acid Derivatives as Inhibitors of Newcastle Disease Virus Hemagglutinin-Neuraminidase: A Translational Study on Human Parainfluenza Viruses. ACS Infect Dis 2023; 9:617-630. [PMID: 36848501 PMCID: PMC10012260 DOI: 10.1021/acsinfecdis.2c00576] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/01/2023]
Abstract
Global infections with viruses belonging to the Paramyxoviridae, such as Newcastle disease virus (NDV) or human parainfluenza viruses (hPIVs), pose a serious threat to animal and human health. NDV-HN and hPIVs-HN (HN hemagglutinin-neuraminidase) share a high degree of similarity in catalytic site structures; therefore, the development of an efficient experimental NDV host model (chicken) may be informative for evaluating the efficacy of hPIVs-HN inhibitors. As part of the broad research in pursuit of this goal and as an extension of our published work on antiviral drug development, we report here the biological results obtained with some newly synthesized C4- and C5-substituted 2,3-unsaturated sialic acid derivatives against NDV. All developed compounds showed high neuraminidase inhibitory activity (IC50 0.03-13 μM). Four molecules (9, 10, 23, 24) confirmed their high in vitro inhibitory activity, which caused a significant reduction of NDV infection in Vero cells, accompanied by very low toxicity.
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Affiliation(s)
- Paola Rota
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, 20133 Milan, Italy.,Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy
| | - Paolo La Rocca
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy.,Department of Biomedical Sciences for Health, Università degli Studi di Milano, 20133 Milan, Italy
| | - Francesco Bonfante
- Division of Comparative Biomedical Sciences, Istituto Zooprofilattico Sperimentale delle Venezie, 35020 Legnaro, Italy
| | - Matteo Pagliari
- Division of Comparative Biomedical Sciences, Istituto Zooprofilattico Sperimentale delle Venezie, 35020 Legnaro, Italy
| | - Marco Piccoli
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy.,Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, San Donato Milanese, 20097 Milan, Italy
| | - Federica Cirillo
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy.,Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, San Donato Milanese, 20097 Milan, Italy
| | - Andrea Ghiroldi
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy.,Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, San Donato Milanese, 20097 Milan, Italy
| | - Valentina Franco
- Division of Clinical and Experimental Pharmacology, Department of Internal Medicine and Therapeutics, University of Pavia, 27100 Pavia, Italy.,IRCCS, Mondino Foundation, 27100 Pavia, Italy
| | - Carlo Pappone
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy.,Arrhythmology Department, IRCCS Policlinico San Donato, Piazza Malan 2, San Donato Milanese, 20097 Milan, Italy.,Faculty of Medicine, University of Vita-Salute San Raffaele, 20132 Milan, Italy
| | - Pietro Allevi
- Department of Biomedical, Surgical and Dental Sciences, Università degli Studi di Milano, 20133 Milan, Italy
| | - Luigi Anastasia
- Institute for Molecular and Translational Cardiology (IMTC), San Donato Milanese, 20097 Milan, Italy.,Laboratory of Stem Cells for Tissue Engineering, IRCCS Policlinico San Donato, San Donato Milanese, 20097 Milan, Italy.,Faculty of Medicine, University of Vita-Salute San Raffaele, 20132 Milan, Italy
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4
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Infection Rate of Respiratory Viruses in the Pandemic SARS-CoV-2 Period Considering Symptomatic Patients: Two Years of Ongoing Observations. Biomolecules 2022; 12:biom12070987. [PMID: 35883543 PMCID: PMC9313449 DOI: 10.3390/biom12070987] [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: 04/23/2022] [Revised: 07/10/2022] [Accepted: 07/12/2022] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND In the last two years, the SARS-CoV-2 pandemic has determined radical changes in human behaviors and lifestyles, with a drastic reduction in socialization due to physical distancing and self-isolation. These changes have also been reflected in the epidemiological patterns of common respiratory viruses. For this reason, early discrimination of respiratory viruses is important as new variants emerge. METHODS Nasopharyngeal swabs of 2554 patients, with clinically suspected Acute Respiratory Infections (ARIs) from October 2019 to November 2021, were collected to detect 1 or more of the 23 common respiratory pathogens, especially viruses, via BioFilmArray RP2.1plus, including SARS-CoV-2. Demographical characteristics and epidemiological analyses were performed as well as a laboratory features profile of positive patients. RESULTS An observational study on 2300 patients (254 patients were excluded because of missing data) including 1560 men and 760 women, median age of 64.5 years, was carried out. Considering the respiratory virus research request, most of the patients were admitted to the Emergency Medicine Department (41.2%, of patients), whereas 29.5% were admitted to the Infectious Diseases Department. The most frequently detected pathogens included SARS-CoV-2 (31.06%, 707/2300, from March 2020 to November 2021), InfA-B (1.86%, 43/2300), HCoV (2.17% 50/2300), and HSRV (1.65%, 38/2300). Interestingly, coinfection rates decreased dramatically in the SARS-CoV-2 pandemic period. The significative decrease in positive rate of SARS-CoV-2 was associated with the massive vaccination. CONCLUSION This study represents a dynamic picture of the epidemiological curve of common respiratory viruses during the two years of pandemic, with a disregarded trend for additional viruses. Our results showed that SARS-CoV-2 had a preferential tropism for the respiratory tract without co-existing with other viruses. The possible causes were attributable either to the use of masks, social isolation, or to specific respiratory receptors mostly available for this virus, external and internal lifestyle factors, vaccination campaigns, and emergence of new SARS-CoV-2 variants.
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Heida R, Bhide YC, Gasbarri M, Kocabiyik Ö, Stellacci F, Huckriede ALW, Hinrichs WLJ, Frijlink HW. Advances in the development of entry inhibitors for sialic-acid-targeting viruses. Drug Discov Today 2020; 26:122-137. [PMID: 33099021 PMCID: PMC7577316 DOI: 10.1016/j.drudis.2020.10.009] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 07/13/2020] [Accepted: 10/13/2020] [Indexed: 12/13/2022]
Abstract
Over the past decades, several antiviral drugs have been developed to treat a range of infections. Yet the number of treatable viral infections is still limited, and resistance to current drug regimens is an ever-growing problem. Therefore, additional strategies are needed to provide a rapid cure for infected individuals. An interesting target for antiviral drugs is the process of viral attachment and entry into the cell. Although most viruses use distinct host receptors for attachment to the target cell, some viruses share receptors, of which sialic acids are a common example. This review aims to give an update on entry inhibitors for a range of sialic-acid-targeting viruses and provides insight into the prospects for those with broad-spectrum potential.
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Affiliation(s)
- Rick Heida
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, 9713AV Groningen, The Netherlands
| | - Yoshita C Bhide
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, 9713AV Groningen, The Netherlands; Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, 9713AV Groningen, The Netherlands
| | - Matteo Gasbarri
- Institute of Materials, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Özgün Kocabiyik
- Institute of Materials, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Francesco Stellacci
- Institute of Materials, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland; Institute of Bioengineering, École Polytechnique Fédérale de Lausanne, 1015 Lausanne, Switzerland
| | - Anke L W Huckriede
- Department of Medical Microbiology and Infection Prevention, University of Groningen, University Medical Center Groningen, 9713AV Groningen, The Netherlands
| | - Wouter L J Hinrichs
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, 9713AV Groningen, The Netherlands.
| | - Henderik W Frijlink
- Department of Pharmaceutical Technology and Biopharmacy, University of Groningen, 9713AV Groningen, The Netherlands
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