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Parveen S, Riaz Z, Saeed S, Ishaque U, Sultana M, Faiz Z, Shafqat Z, Shabbir S, Ashraf S, Marium A. Dengue hemorrhagic fever: a growing global menace. JOURNAL OF WATER AND HEALTH 2023; 21:1632-1650. [PMID: 38017595 PMCID: wh_2023_114 DOI: 10.2166/wh.2023.114] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/30/2023]
Abstract
Dengue virus is an arthropod-borne virus, transmitted by Aedes aegypti among humans. In this review, we discussed the epidemiology of dengue hemorrhagic fever (DHF) as well as the disease's natural history, cycles of transmission, clinical diagnosis, aetiology, prevention, therapy, and management. A systematic literature search was done by databases such as PubMed and Google Scholar using search terms, 'dengue fever', 'symptoms and causes of dengue fever', 'dengue virus transmission', and 'strategies to control dengue'. We reviewed relevant literature to identify hazards related to DHF and the most recent recommendations for its management and prevention. Clinical signs and symptoms of dengue infection range from mild dengue fever (DF) to potentially lethal conditions like DHF or dengue shock syndrome (DSS). Acute-onset high fever, muscle and joint pain, myalgia, a rash on the skin, hemorrhagic episodes, and circulatory shock are among the most common symptoms. An early diagnosis is vital to lower mortality. As dengue virus infections are self-limiting, but in tropical and subtropical areas, dengue infection has become a public health concern. Hence, developing and executing long-term control policies that can reduce the global burden of DHF is a major issue for public health specialists everywhere.
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Affiliation(s)
- Shakeela Parveen
- Department of Zoology, The Government Sadiq College Women University, Bahawalpur 63100, Pakistan E-mail:
| | - Zainab Riaz
- Department of Zoology, The Government Sadiq College Women University, Bahawalpur 63100, Pakistan
| | - Saba Saeed
- Department of Zoology, The Government Sadiq College Women University, Bahawalpur 63100, Pakistan
| | - Urwah Ishaque
- Department of Zoology, The Government Sadiq College Women University, Bahawalpur 63100, Pakistan
| | - Mehwish Sultana
- Department of Zoology, The Government Sadiq College Women University, Bahawalpur 63100, Pakistan
| | - Zunaira Faiz
- Department of Zoology, The Government Sadiq College Women University, Bahawalpur 63100, Pakistan
| | - Zainab Shafqat
- Department of Zoology, The Government Sadiq College Women University, Bahawalpur 63100, Pakistan
| | - Saman Shabbir
- Department of Zoology, The Government Sadiq College Women University, Bahawalpur 63100, Pakistan
| | - Sana Ashraf
- Department of Zoology, The Government Sadiq College Women University, Bahawalpur 63100, Pakistan
| | - Amna Marium
- Department of Zoology, The Government Sadiq College Women University, Bahawalpur 63100, Pakistan
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Mao ZQ, Minakawa N, Moi ML. Novel Antiviral Efficacy of Hedyotis diffusa and Artemisia capillaris Extracts against Dengue Virus, Japanese Encephalitis Virus, and Zika Virus Infection and Immunoregulatory Cytokine Signatures. PLANTS (BASEL, SWITZERLAND) 2022; 11:plants11192589. [PMID: 36235456 PMCID: PMC9571899 DOI: 10.3390/plants11192589] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Revised: 09/20/2022] [Accepted: 09/20/2022] [Indexed: 05/25/2023]
Abstract
Currently, there are no specific therapeutics for flavivirus infections, including dengue virus (DENV) and Zika virus (ZIKV). In this study, we evaluated extracts from the plants Hedyotis diffusa (HD) and Artemisia capillaris (AC) to determine the antiviral activity against DENV, ZIKV, and Japanese encephalitis virus (JEV). HD and AC demonstrated inhibitory activity against JEV, ZIKV, and DENV replication and reduced viral RNA levels in a dose-responsive manner, with non-cytotoxic concentration ranging from 0.1 to 10 mg/mL. HD and AC had low cytotoxicity to Vero cells, with CC50 values of 33.7 ± 1.6 and 30.3 ± 1.7 mg/mL (mean ± SD), respectively. The anti-flavivirus activity of HD and AC was also consistent in human cell lines, including human glioblastoma (T98G), human chronic myeloid leukemia (K562), and human embryonic kidney (HEK-293T) cells. Viral-infected, HD-treated cells demonstrated downregulation of cytokines including CCR1, CCL26, CCL15, CCL5, IL21, and IL17C. In contrast, CCR1, CCL26, and AIMP1 were elevated following AC treatment in viral-infected cells. Overall, HD and AC plant extracts demonstrated flavivirus replication inhibitory activity, and together with immunoregulatory cytokine signatures, these results suggest that HD and AC possess bioactive compounds that may further be refined as promising candidates for clinical applications.
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Affiliation(s)
- Zhan Qiu Mao
- Institute of Tropical Medicine, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8523, Japan
| | - Noboru Minakawa
- Institute of Tropical Medicine, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8523, Japan
| | - Meng Ling Moi
- Institute of Tropical Medicine, Graduate School of Biomedical Sciences, Nagasaki University, Nagasaki 852-8523, Japan
- School of International Health, Graduate School of Medicine, The University of Tokyo, Tokyo 113-0033, Japan
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Milhim BHGA, da Rocha LC, Terzian ACB, Mazaro CCP, Augusto MT, Luchs A, Zini N, Sacchetto L, dos Santos BF, Garcia PHC, Rocha RS, Liso E, Brienze VMS, da Silva GCD, Vasilakis N, Estofolete CF, Nogueira ML. Arboviral Infections in Neurological Disorders in Hospitalized Patients in São José do Rio Preto, São Paulo, Brazil. Viruses 2022; 14:1488. [PMID: 35891468 PMCID: PMC9323204 DOI: 10.3390/v14071488] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 07/03/2022] [Accepted: 07/05/2022] [Indexed: 02/04/2023] Open
Abstract
Arbovirus infections are increasingly important causes of disease, whose spectrum of neurological manifestations are not fully known. This study sought to retrospectively assess the incidence of arboviruses in cerebrospinal fluid samples of patients with neurological symptoms to inform diagnosis of central and peripheral nervous system disorders. A total of 255 cerebrospinal fluid (CSF) samples collected from January 2016 to December 2017 were tested for dengue virus (DENV 1-4), Zika virus (ZIKV), and Chikungunya virus (CHIKV) in addition to other neurotropic arboviruses of interest, using genetic and serologic assays. Of the 255 CSF samples analyzed, 3.53% (09/255) were positive for arboviruses presenting mainly as meningitis, encephalitis, and cerebrovascular events, of which ZIKV was detected in 2.74% (7/255), DENV in 0.78% (2/255), in addition to an identified ILHV infection that was described previously. All the cases were detected in adults aged 18 to 74 years old. Our findings highlight the scientific and clinical importance of neurological syndromes associated with arboviruses and demonstrate the relevance of specific laboratory methods to achieve accurate diagnoses as well as highlight the true dimension of these diseases to ultimately improve public health planning and medical case management.
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Affiliation(s)
- Bruno H. G. A. Milhim
- Laboratório de Pesquisas em Virologia [LPV], Faculdade de Medicina de São José do Rio Preto [FAMERP], Avenida Brigadeiro Faria Lima, 5544, Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (B.H.G.A.M.); (L.C.d.R.); (A.C.B.T.); (C.C.P.M.); (M.T.A.); (N.Z.); (L.S.); (B.F.d.S.); (P.H.C.G.); (R.S.R.); (G.C.D.d.S.); (C.F.E.)
| | - Leonardo C. da Rocha
- Laboratório de Pesquisas em Virologia [LPV], Faculdade de Medicina de São José do Rio Preto [FAMERP], Avenida Brigadeiro Faria Lima, 5544, Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (B.H.G.A.M.); (L.C.d.R.); (A.C.B.T.); (C.C.P.M.); (M.T.A.); (N.Z.); (L.S.); (B.F.d.S.); (P.H.C.G.); (R.S.R.); (G.C.D.d.S.); (C.F.E.)
| | - Ana C. B. Terzian
- Laboratório de Pesquisas em Virologia [LPV], Faculdade de Medicina de São José do Rio Preto [FAMERP], Avenida Brigadeiro Faria Lima, 5544, Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (B.H.G.A.M.); (L.C.d.R.); (A.C.B.T.); (C.C.P.M.); (M.T.A.); (N.Z.); (L.S.); (B.F.d.S.); (P.H.C.G.); (R.S.R.); (G.C.D.d.S.); (C.F.E.)
- Laboratório de Imunologia Celular e Molecular (LICM), Avenida Augusto de Lima, 1715, Centro, Belo Horizonte 30190-002, MG, Brazil
- Instituto René Rachou Fundação Oswaldo Cruz, Avenida Augusto de Lima, 1715, Centro, Belo Horizonte 30190-002, MG, Brazil
| | - Carolina C. P. Mazaro
- Laboratório de Pesquisas em Virologia [LPV], Faculdade de Medicina de São José do Rio Preto [FAMERP], Avenida Brigadeiro Faria Lima, 5544, Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (B.H.G.A.M.); (L.C.d.R.); (A.C.B.T.); (C.C.P.M.); (M.T.A.); (N.Z.); (L.S.); (B.F.d.S.); (P.H.C.G.); (R.S.R.); (G.C.D.d.S.); (C.F.E.)
| | - Marcos T. Augusto
- Laboratório de Pesquisas em Virologia [LPV], Faculdade de Medicina de São José do Rio Preto [FAMERP], Avenida Brigadeiro Faria Lima, 5544, Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (B.H.G.A.M.); (L.C.d.R.); (A.C.B.T.); (C.C.P.M.); (M.T.A.); (N.Z.); (L.S.); (B.F.d.S.); (P.H.C.G.); (R.S.R.); (G.C.D.d.S.); (C.F.E.)
| | - Adriana Luchs
- Enteric Disease Laboratory, Department of Virology, Adolfo Lutz Institute, Avenida Dr. Arnaldo, 355, São Paulo 01246-902, SP, Brazil;
| | - Nathalia Zini
- Laboratório de Pesquisas em Virologia [LPV], Faculdade de Medicina de São José do Rio Preto [FAMERP], Avenida Brigadeiro Faria Lima, 5544, Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (B.H.G.A.M.); (L.C.d.R.); (A.C.B.T.); (C.C.P.M.); (M.T.A.); (N.Z.); (L.S.); (B.F.d.S.); (P.H.C.G.); (R.S.R.); (G.C.D.d.S.); (C.F.E.)
| | - Livia Sacchetto
- Laboratório de Pesquisas em Virologia [LPV], Faculdade de Medicina de São José do Rio Preto [FAMERP], Avenida Brigadeiro Faria Lima, 5544, Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (B.H.G.A.M.); (L.C.d.R.); (A.C.B.T.); (C.C.P.M.); (M.T.A.); (N.Z.); (L.S.); (B.F.d.S.); (P.H.C.G.); (R.S.R.); (G.C.D.d.S.); (C.F.E.)
| | - Barbara F. dos Santos
- Laboratório de Pesquisas em Virologia [LPV], Faculdade de Medicina de São José do Rio Preto [FAMERP], Avenida Brigadeiro Faria Lima, 5544, Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (B.H.G.A.M.); (L.C.d.R.); (A.C.B.T.); (C.C.P.M.); (M.T.A.); (N.Z.); (L.S.); (B.F.d.S.); (P.H.C.G.); (R.S.R.); (G.C.D.d.S.); (C.F.E.)
| | - Pedro H. C. Garcia
- Laboratório de Pesquisas em Virologia [LPV], Faculdade de Medicina de São José do Rio Preto [FAMERP], Avenida Brigadeiro Faria Lima, 5544, Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (B.H.G.A.M.); (L.C.d.R.); (A.C.B.T.); (C.C.P.M.); (M.T.A.); (N.Z.); (L.S.); (B.F.d.S.); (P.H.C.G.); (R.S.R.); (G.C.D.d.S.); (C.F.E.)
| | - Rodrigo S. Rocha
- Laboratório de Pesquisas em Virologia [LPV], Faculdade de Medicina de São José do Rio Preto [FAMERP], Avenida Brigadeiro Faria Lima, 5544, Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (B.H.G.A.M.); (L.C.d.R.); (A.C.B.T.); (C.C.P.M.); (M.T.A.); (N.Z.); (L.S.); (B.F.d.S.); (P.H.C.G.); (R.S.R.); (G.C.D.d.S.); (C.F.E.)
| | - Elisabete Liso
- Hospital de Base, Avenida Brigadeiro Faria Lima, 5544-Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (E.L.); (V.M.S.B.)
| | - Vânia M. S. Brienze
- Hospital de Base, Avenida Brigadeiro Faria Lima, 5544-Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (E.L.); (V.M.S.B.)
| | - Gislaine C. D. da Silva
- Laboratório de Pesquisas em Virologia [LPV], Faculdade de Medicina de São José do Rio Preto [FAMERP], Avenida Brigadeiro Faria Lima, 5544, Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (B.H.G.A.M.); (L.C.d.R.); (A.C.B.T.); (C.C.P.M.); (M.T.A.); (N.Z.); (L.S.); (B.F.d.S.); (P.H.C.G.); (R.S.R.); (G.C.D.d.S.); (C.F.E.)
| | - Nikos Vasilakis
- Department of Pathology, University of Texas Medical Branch, 301 University Blvd., Galveston, TX 77555-0609, USA;
- Department of Preventive Medicine and Population Health, The University of Texas Medical Branch, Galveston, TX 77555-1150, USA
- Center for Vector-Borne and Zoonotic Diseases, The University of Texas Medical Branch, Galveston, TX 77555-0609, USA
- Center for Biodefense and Emerging Infectious Diseases, University of Texas Medical Branch, 301 University Blvd., Galveston, TX 77555-0609, USA
- Center for Tropical Diseases, University of Texas Medical Branch, 301 University Blvd., Galveston, TX 77555-0609, USA
- Institute for Human Infection and Immunity, University of Texas Medical Branch, 301 University Blvd., Galveston, TX 77555-0610, USA
| | - Cássia F. Estofolete
- Laboratório de Pesquisas em Virologia [LPV], Faculdade de Medicina de São José do Rio Preto [FAMERP], Avenida Brigadeiro Faria Lima, 5544, Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (B.H.G.A.M.); (L.C.d.R.); (A.C.B.T.); (C.C.P.M.); (M.T.A.); (N.Z.); (L.S.); (B.F.d.S.); (P.H.C.G.); (R.S.R.); (G.C.D.d.S.); (C.F.E.)
| | - Maurício L. Nogueira
- Laboratório de Pesquisas em Virologia [LPV], Faculdade de Medicina de São José do Rio Preto [FAMERP], Avenida Brigadeiro Faria Lima, 5544, Vila São Jose, São José do Rio Preto 15090-000, SP, Brazil; (B.H.G.A.M.); (L.C.d.R.); (A.C.B.T.); (C.C.P.M.); (M.T.A.); (N.Z.); (L.S.); (B.F.d.S.); (P.H.C.G.); (R.S.R.); (G.C.D.d.S.); (C.F.E.)
- Department of Pathology, University of Texas Medical Branch, 301 University Blvd., Galveston, TX 77555-0609, USA;
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Neurological infection by chikungunya and a triple Arbovirus co-infection in Mato Grosso, Central Western Brazil during 2019. J Clin Virol 2021; 146:105056. [PMID: 34923322 DOI: 10.1016/j.jcv.2021.105056] [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] [Received: 03/02/2021] [Revised: 10/27/2021] [Accepted: 12/11/2021] [Indexed: 11/20/2022]
Abstract
BACKGROUND Neurological viral infection is frequently associated to enterovirus, herpesvirus and arboviruses. These infections may cause severe clinical outcomes, long lasting sequelae or death. Few studies have addressed viral neurological infections etiology in Brazil. OBJECTIVES Identification of viruses in the cerebral spinal fluid (CSF) of human neurological infections suspected of viral etiology during January and May 2019 in Midwestern Brazil. MATERIALS AND METHODS Clinical, laboratory and epidemiological information was gathered from medical records. In addition, an aliquot of the sampled CSF was subjected to viral RNA/DNA extraction, randomic dscDNA amplification by PCR, DNA purification and Ilumina HiSeq 2500 sequencing. RESULTS Six viral genomes belonging to Chikungunya virus (CHIKV) East-Central-South African (ECSA) genotype (10.834-11.804 nt in length) confirmed lately by RT-PCR for CHIKV envelope were present in all six liquor samples. These genomes present two mutations, nsP2:T31I and nsP3:A388V, shared with other Mato Grosso State strains from 2019, not present in sequences of the virus from previous years obtained in the State. One case was a triple co-infection also confirmed through RT-PCR, with Dengue virus serotype 4 genotype II (NS5; 874 nt) and Oropouche virus genotype IA (segment S; 302 nt). CSF was clear and colorless (5/6 patients), with >10% of lymphomononuclear cells (6/6), 1-99 erythrocytes/mm3 (5/6), glucose levels >50 mg/dl (4/5) e > 10 mg/dl of proteins (4/4). One patient evolved to death, and another, a newborn, presented sequelae after recovery. CONCLUSIONS Despite herpesviruses and enteroviruses are frequent etiologies of neurological infections, the casuistic here reported was associated to arboviruses already known to be responsible for acute febrile illness outbreaks in the state of Mato Grosso, Midwestern Brazil.
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Simo Tchetgna H, Sado Yousseu F, Kamgang B, Tedjou A, McCall PJ, Wondji CS. Concurrent circulation of dengue serotype 1, 2 and 3 among acute febrile patients in Cameroon. PLoS Negl Trop Dis 2021; 15:e0009860. [PMID: 34695135 PMCID: PMC8568189 DOI: 10.1371/journal.pntd.0009860] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 11/04/2021] [Accepted: 09/28/2021] [Indexed: 11/21/2022] Open
Abstract
Acute febrile patients presenting at hospitals in Douala, Cameroon between July and December 2020, were screened for dengue infections using real time RT-PCR on fragments of the 5’ and 3’ UTR genomic regions. In total, 12.8% (41/320) of cases examined were positive for dengue. Dengue virus 3 (DENV-3) was the most common serotype found (68.3%), followed by DENV-2 (19.5%) and DENV-1 (4.9%). Co-infections of DENV-3 and DENV-2 were found in 3 cases. Jaundice and headache were the most frequent clinical signs associated with infection and 56% (23/41) of the cases were co-infections with malaria. Phylogenetic analysis of the envelope gene identified DENV-1 as belonging to genotype V, DENV-2 to genotype II and DENV-3 to genotype III. The simultaneous occurrence of three serotypes in Douala reveals dengue as a serious public health threat for Cameroon and highlights the need for further epidemiological studies in the major cities of this region. Acute febrile patients presenting at hospitals in Douala, Cameroon between July and December 2020, were screened for dengue infections by Polymerase chain reaction. In total, 12.8% (41/320) of cases examined were infected by dengue virus. Dengue virus 3 (DENV-3) was the most common serotype found (68.3%), followed by DENV-2 (19.5%) and DENV-1 (4.9%). Co-infections of DENV-3 and DENV-2 were found in 3 cases. Jaundice and headache were the most frequent clinical signs associated with infection and 56% (23/41) of the cases were co-infections with malaria. The simultaneous occurrence of three serotypes in Douala reveals dengue as a serious public health threat for Cameroon and highlights the need for further epidemiological studies in the major cities of this region.
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Affiliation(s)
| | - Francine Sado Yousseu
- Centre for Research in Infectious Diseases, Yaoundé, Cameroon
- University of Buéa, Buéa, Cameroon
| | - Basile Kamgang
- Centre for Research in Infectious Diseases, Yaoundé, Cameroon
| | - Armel Tedjou
- Centre for Research in Infectious Diseases, Yaoundé, Cameroon
- University of Yaoundé I, Yaoundé, Cameroon
| | - Philip J. McCall
- Liverpool School of Tropical Medicine, Liverpool, United Kingdom
| | - Charles S. Wondji
- Centre for Research in Infectious Diseases, Yaoundé, Cameroon
- Liverpool School of Tropical Medicine, Liverpool, United Kingdom
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Viral and Prion Infections Associated with Central Nervous System Syndromes in Brazil. Viruses 2021; 13:v13071370. [PMID: 34372576 PMCID: PMC8310075 DOI: 10.3390/v13071370] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/05/2021] [Accepted: 05/11/2021] [Indexed: 12/12/2022] Open
Abstract
Virus-induced infections of the central nervous system (CNS) are among the most serious problems in public health and can be associated with high rates of morbidity and mortality, mainly in low- and middle-income countries, where these manifestations have been neglected. Typically, herpes simplex virus 1 and 2, varicella-zoster, and enterovirus are responsible for a high number of cases in immunocompetent hosts, whereas other herpesviruses (for example, cytomegalovirus) are the most common in immunocompromised individuals. Arboviruses have also been associated with outbreaks with a high burden of neurological disorders, such as the Zika virus epidemic in Brazil. There is a current lack of understanding in Brazil about the most common viruses involved in CNS infections. In this review, we briefly summarize the most recent studies and findings associated with the CNS, in addition to epidemiological data that provide extensive information on the circulation and diversity of the most common neuro-invasive viruses in Brazil. We also highlight important aspects of the prion-associated diseases. This review provides readers with better knowledge of virus-associated CNS infections. A deeper understanding of these infections will support the improvement of the current surveillance strategies to allow the timely monitoring of the emergence/re-emergence of neurotropic viruses.
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Clé M, Eldin P, Briant L, Lannuzel A, Simonin Y, Van de Perre P, Cabié A, Salinas S. Neurocognitive impacts of arbovirus infections. J Neuroinflammation 2020; 17:233. [PMID: 32778106 PMCID: PMC7418199 DOI: 10.1186/s12974-020-01904-3] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Accepted: 07/17/2020] [Indexed: 12/15/2022] Open
Abstract
Arthropod-borne viruses or arbovirus, are most commonly associated with acute infections, resulting on various symptoms ranging from mild fever to more severe disorders such as hemorrhagic fever. Moreover, some arboviral infections can be associated with important neuroinflammation that can trigger neurological disorders including encephalitis, paralysis, ophthalmological impairments, or developmental defects, which in some cases, can lead to long-term defects of the central nervous system (CNS). This is well illustrated in Zika virus-associated congenital brain malformations but also in West Nile virus-induced synaptic dysfunctions that can last well beyond infection and lead to cognitive deficits. Here, we summarize clinical and mechanistic data reporting on cognitive disturbances triggered by arboviral infections, which may highlight growing public health issues spanning the five continents.
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Affiliation(s)
- Marion Clé
- Pathogenesis and Control of Chronic Infections, INSERM, University of Montpellier, Etablissement Français du Sang, Montpellier, France
| | - Patrick Eldin
- Institute of Research in Infectiology of Montpellier, CNRS, University of Montpellier, Montpellier, France
| | - Laurence Briant
- Institute of Research in Infectiology of Montpellier, CNRS, University of Montpellier, Montpellier, France
| | - Annie Lannuzel
- Neurology Unit, INSERM CIC 1424, Guadeloupe University Hospital, Université des Antilles, Pointe-à-Pitre, Guadeloupe, France
- INSERM U1127, CNRS, UMR7225, Brain and Spine Institute, Sorbonne University Medical School, Paris, France
| | - Yannick Simonin
- Pathogenesis and Control of Chronic Infections, INSERM, University of Montpellier, Etablissement Français du Sang, Montpellier, France
| | - Philippe Van de Perre
- Pathogenesis and Control of Chronic Infections, INSERM, University of Montpellier, Etablissement Français du Sang, CHU Montpellier, Montpellier, France
| | - André Cabié
- INSERM CIC 1424, Infectious Disease and Tropical Medicine Unit, Martinique University Hospital, Université des Antilles EA4537, Martinique, France.
| | - Sara Salinas
- Pathogenesis and Control of Chronic Infections, INSERM, University of Montpellier, Etablissement Français du Sang, Montpellier, France.
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Kubiszeski JR, Vieira CJDSP, Thies SF, Silva DJFD, Barreto ES, Mondini A, Bronzoni RVDM. Detection of the Asian II genotype of dengue virus serotype 2 in humans and mosquitoes in Brazil. Rev Soc Bras Med Trop 2020; 53:e20190439. [PMID: 32321091 PMCID: PMC7182292 DOI: 10.1590/0037-8682-0439-2019] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 02/13/2020] [Indexed: 02/07/2023] Open
Abstract
INTRODUCTION DENV-2 is the cause of most dengue epidemics worldwide and is associated with severe cases. METHODS We investigated arboviruses in 164 serum samples collected from patients presenting with clinical symptoms of dengue fever and 152 mosquito pools. RESULTS We detected the Asian II genotype of DENV-2 in humans and mosquitoes. Our results confirmed the circulation of the Asian II genotype in Brazil, in addition to the prevalent Asian/American genotype. CONCLUSIONS The detection of Asian II genotype of DENV-2 in mosquito pools collected in a forest park may be related to a spillback event of human dengue virus.
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Affiliation(s)
| | | | | | | | - Eriana Serpa Barreto
- Universidade Federal de Mato Grosso, Instituto de Ciências da Saúde, Sinop, MT, Brasil
| | - Adriano Mondini
- Universidade de São Paulo, Departamento de Ciências Farmacêuticas, Araraquara, SP, Brasil
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Mendes CI, Lizarazo E, Machado MP, Silva DN, Tami A, Ramirez M, Couto N, Rossen JWA, Carriço JA. DEN-IM: dengue virus genotyping from amplicon and shotgun metagenomic sequencing. Microb Genom 2020; 6:e000328. [PMID: 32134380 PMCID: PMC7200064 DOI: 10.1099/mgen.0.000328] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2019] [Accepted: 12/23/2019] [Indexed: 11/18/2022] Open
Abstract
Dengue virus (DENV) represents a public health threat and economic burden in affected countries. The availability of genomic data is key to understanding viral evolution and dynamics, supporting improved control strategies. Currently, the use of high-throughput sequencing (HTS) technologies, which can be applied both directly to patient samples (shotgun metagenomics) and to PCR-amplified viral sequences (amplicon sequencing), is potentially the most informative approach to monitor viral dissemination and genetic diversity by providing, in a single methodological step, identification and characterization of the whole viral genome at the nucleotide level. Despite many advantages, these technologies require bioinformatics expertise and appropriate infrastructure for the analysis and interpretation of the resulting data. In addition, the many software solutions available can hamper the reproducibility and comparison of results. Here we present DEN-IM, a one-stop, user-friendly, containerized and reproducible workflow for the analysis of DENV short-read sequencing data from both amplicon and shotgun metagenomics approaches. It is able to infer the DENV coding sequence (CDS), identify the serotype and genotype, and generate a phylogenetic tree. It can easily be run on any UNIX-like system, from local machines to high-performance computing clusters, performing a comprehensive analysis without the requirement for extensive bioinformatics expertise. Using DEN-IM, we successfully analysed two types of DENV datasets. The first comprised 25 shotgun metagenomic sequencing samples from patients with variable serotypes and genotypes, including an in vitro spiked sample containing the four known serotypes. The second consisted of 106 paired-end and 76 single-end amplicon sequences of DENV 3 genotype III and DENV 1 genotype I, respectively, where DEN-IM allowed detection of the intra-genotype diversity. The DEN-IM workflow, parameters and execution configuration files, and documentation are freely available at https://github.com/B-UMMI/DEN-IM).
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Affiliation(s)
- Catarina I. Mendes
- Instituto de Microbiologia, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
- University of Groningen, University Medical Center Groningen, Department of Medical Microbiology and Infection Prevention, Groningen, The Netherlands
| | - Erley Lizarazo
- University of Groningen, University Medical Center Groningen, Department of Medical Microbiology and Infection Prevention, Groningen, The Netherlands
| | - Miguel P. Machado
- Instituto de Microbiologia, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Diogo N. Silva
- Instituto de Microbiologia, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Adriana Tami
- University of Groningen, University Medical Center Groningen, Department of Medical Microbiology and Infection Prevention, Groningen, The Netherlands
| | - Mário Ramirez
- Instituto de Microbiologia, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Natacha Couto
- University of Groningen, University Medical Center Groningen, Department of Medical Microbiology and Infection Prevention, Groningen, The Netherlands
| | - John W. A. Rossen
- University of Groningen, University Medical Center Groningen, Department of Medical Microbiology and Infection Prevention, Groningen, The Netherlands
| | - João A. Carriço
- Instituto de Microbiologia, Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
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10
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Marinho PES, Kroon EG. Flaviviruses as agents of childhood central nervous system infections in Brazil. New Microbes New Infect 2019; 31:100572. [PMID: 31312458 PMCID: PMC6610691 DOI: 10.1016/j.nmni.2019.100572] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2019] [Accepted: 04/26/2019] [Indexed: 11/21/2022] Open
Abstract
Flaviviruses are agents of a major emerging human public health issue and members of this genus have been associated with central nervous system (CNS) infections. In Brazil, a country endemic for some arboviruses, the most clinically relevant neurotropic flaviviruses include Dengue virus and Zika virus. Flaviviruses cause diseases ranging from mild or sub-clinical infections to severe cases as CNS infections. There is a lack of data about the incidence of flaviviruses in the CNS of children in Brazil. In this review, we provide a general overview of several flaviviruses that cause CNS infections in Brazilian children and explore the importance of epidemiological surveillance of CNS infections in cases of flavivirus infections.
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Affiliation(s)
- P E S Marinho
- Laboratório de Vírus, Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
| | - E G Kroon
- Laboratório de Vírus, Departamento de Microbiologia, Instituto de Ciências Biológicas, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil
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11
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Machado LC, de Morais-Sobral MC, Campos TDL, Pereira MR, de Albuquerque MDFPM, Gilbert C, Franca RFO, Wallau GL. Genome sequencing reveals coinfection by multiple chikungunya virus genotypes in a recent outbreak in Brazil. PLoS Negl Trop Dis 2019; 13:e0007332. [PMID: 31095561 PMCID: PMC6541278 DOI: 10.1371/journal.pntd.0007332] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2018] [Revised: 05/29/2019] [Accepted: 03/25/2019] [Indexed: 11/19/2022] Open
Abstract
Chikungunya virus (CHIKV) is an RNA virus from the Togaviridae family transmitted by mosquitoes in both sylvatic and urban cycles. In humans, CHIKV infection leads to a febrile illness, denominated Chikungunya fever (CHIKF), commonly associated with more intense and debilitating outcomes. CHIKV arrived in Brazil in 2014 through two independent introductions: the Asian/Caribbean genotype entered through the North region and the African ECSA genotype was imported through the Northeast region. Following their initial introduction, both genotypes established their urban cycle among large naive human populations causing several outbreaks in the Americas. Here, we sequenced CHIKV genomes from a recent outbreak in the Northeast region of Brazil, employing an in-house developed Next-Generation Sequencing (NGS) protocol capable of directly detecting multiple known CHIKV genotypes from clinical positive samples. Our results demonstrate that both Asian/Caribbean and ECSA genotypes expanded their ranges, reaching cocirculation in the Northeast region of Brazil. In addition, our NGS data supports the findings of simultaneous infection by these two genotypes, suggesting that coinfection might be more common than previously thought in highly endemic areas. Future efforts to understand CHIKV epidemiology should thus take into consideration the possibility of coinfection by different genotypes in the human population.
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Affiliation(s)
- Lais Ceschini Machado
- Department of Entomology, Oswaldo Cruz Foundation - Fiocruz, Aggeu Magalhães Institute - Recife, Pernambuco - Brazil
| | | | - Tulio de Lima Campos
- Bioinformatics Core Facility, Aggeu Magalhães Institute (IAM), Oswaldo Cruz Foundation (FIOCRUZ), Recife Pernambuco, Brazil
| | - Mylena Ribeiro Pereira
- Department of Veterinary Medicine, Federal Rural University of Pernambuco – UFRPE, Recife, Brazil
| | | | - Clément Gilbert
- Laboratoire Evolution, Génomes, Comportement, Ecologie, CNRS Université Paris-Sud UMR 9191, IRD UMR 247, Avenue de la Terrasse, Gif sur Yvette, France
| | - Rafael Freitas Oliveira Franca
- Department of Virology and Experimental Therapy, Oswaldo Cruz Foundation - Fiocruz, Aggeu Magalhães Institute - Recife, Pernambuco - Brazil
| | - Gabriel Luz Wallau
- Department of Entomology, Oswaldo Cruz Foundation - Fiocruz, Aggeu Magalhães Institute - Recife, Pernambuco - Brazil
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12
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Flaviviruses as agents of childhood central nervous system infections in Brazil. New Microbes New Infect 2019; 30:100539. [PMID: 31080623 PMCID: PMC6505065 DOI: 10.1016/j.nmni.2019.100539] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2018] [Revised: 03/26/2019] [Accepted: 03/28/2019] [Indexed: 12/18/2022] Open
Abstract
Flaviviruses are agents of a major emerging human public health issue, and members of the Flavivirus genus have been associated with central nervous system (CNS) infections. In Brazil, a country endemic for some arboviruses, the most clinically relevant neurotropic flaviviruses include dengue virus and Zika virus. Flaviviruses cause diseases ranging from mild or subclinical infections to severe cases as CNS infections. There is a lack of data about the incidence of flaviviruses in the CNS of children in Brazil. In this review, we provide a general overview of several flaviviruses that cause CNS infections in Brazilian children and explore the importance of epidemiologic surveillance of CNS infections in cases of Flavivirus infections.
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13
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Bastos MDS, Martins VDCA, Silva NLD, Jezine S, Pinto S, Aprigio V, Monte RL, Fragoso S, Puccioni-Sohler M. Importance of cerebrospinal fluid investigation during dengue infection in Brazilian Amazonia Region. Mem Inst Oswaldo Cruz 2018; 114:e180450. [PMID: 30540031 PMCID: PMC6319028 DOI: 10.1590/0074-02760180450] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Accepted: 11/21/2018] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Amazon, the largest tropical forest of the world, has suffered from dengue outbreaks since 1998. Cerebrospinal fluid (CSF) of patients, from Amazonas state, suspected of central nervous system (CNS) viral infection was studied using molecular and immunological methods. OBJECTIVE To evaluate the importance of CSF investigation in patients with acute dengue virus (DENV) infection of CNS. METHODS CSF samples of 700 patients were analysed by reverse transcription polymerase chain reaction (RT-PCR) to detect the presence of dengue virus (DENV) RNA and by enzyme-linked immunosorbent assay (ELISA) to detect presence of DENV specific IgM. FINDINGS DENV infection was detected in 4.3% of the CSF samples; 85.7% (24/28) by DENV IgM and 14.3% (4/28) by viral RNA. DENV detected by viral RNA were to be found serotypes DENV-2 (three patients) and DENV-1 (one patient). The neurological diagnosis in patients CNS infection of DENV included encephalitis (10), meningoencephalitis (10), meningitis (6), acute myelitis (1), and encephalomyelitis (1). The majority (89.3%) had intrathecal inflammation: pleocytosis, hyperproteinorrachia and DENV IgM antibodies. Hypoglycorrhachia and/or high levels of lactate in CSF were found in 36% of the patients. Co-infection (CMV, HIV, EBV, and/or Mycobacterium tuberculosis) was observed in eight (28.6%) cases. CONCLUSIONS We found intense inflammatory CSF that is unusual in CNS disorders caused by dengue infection. It may be due co-infections or the immunogenetic background of the local Amerindian Brazilian population. CSF examination is an important diagnostic support tool for neurological dengue diagnosis.
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Affiliation(s)
| | | | | | - Samya Jezine
- Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Manaus, AM, Brasil
| | - Sérgio Pinto
- Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Manaus, AM, Brasil
| | - Valderjane Aprigio
- Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Manaus, AM, Brasil
| | | | - Silvio Fragoso
- Fundação de Medicina Tropical Dr Heitor Vieira Dourado, Manaus, AM, Brasil
| | - Marzia Puccioni-Sohler
- Universidade Federal do Estado do Rio de Janeiro/Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brasil
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