1
|
Farahmand M, Khales P, Salavatiha Z, Sabaei M, Hamidzade M, Aminpanah D, Tavakoli A. Worldwide prevalence and genotype distribution of human astrovirus in gastroenteritis patients: A systematic review and meta-analysis. Microb Pathog 2023:106209. [PMID: 37385570 DOI: 10.1016/j.micpath.2023.106209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2023] [Revised: 06/17/2023] [Accepted: 06/18/2023] [Indexed: 07/01/2023]
Abstract
AIM Human astrovirus (HAstV) is an important causative agent of gastroenteritis in humans, which mainly infects young children and the elderly. The goal of this study was to conduct a meta-analytic review of the prevalence of HAstV amongst patients with gastroenteritis, and to shed light on the connection between HAstV infection and gastroenteritis. METHODS Systematic literature searches were conducted to identify all potentially relevant studies recorded up to April 8th, 2022. For study weighting, the inverse variance method was employed and the random-effects model was applied to evaluate data. For case-control studies, the pooled odds ratio (OR) and 95% confidence interval (CI) were calculated to establish the relationship between HAstV infection and gastroenteritis. RESULTS Among 302423 gastroenteritis patients from 69 different countries, the overall pooled prevalence of HAstV infection was 3.48% (95% CI: 3.11%-3.89%). Case-control approach was used in 39 investigations, and the overall prevalence of HAstV infection among the 11342 healthy controls was 2.01% (95% CI: 1.40%-2.89%). Gastroenteritis and HAstV infection were associated with a pooled OR of 2.16 (95% CI: 1.72-2.71; P < 0.0001; I2 = 33.7%). The most commonly found HAstV genotypes in gastroenteritis patients were HAstV1 (62.18%), HAstV7 (33.33%), and HAstV-MLB1 (17.43%). CONCLUSION The frequency of HAstV infection was the highest in children under the age of five, and in developing countries. The prevalence rate of HAstV was not influenced by gender. Semi-nested and nested RT-PCR were highly sensitive assays for detecting HAstV infections.
Collapse
Affiliation(s)
- Mohammad Farahmand
- Department of Virology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Pegah Khales
- Department of Bacteriology and Virology, School of Medicine, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Zahra Salavatiha
- Department of Medical Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Milad Sabaei
- Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Malihe Hamidzade
- Department of Medical Virology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Danesh Aminpanah
- Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran
| | - Ahmad Tavakoli
- Research Center of Pediatric Infectious Diseases, Institute of Immunology and Infectious Diseases, Iran University of Medical Sciences, Tehran, Iran.
| |
Collapse
|
2
|
Razizadeh MH, Pourrostami K, Kachooei A, Zarei M, Asghari M, Hamldar S, Khatami A. An annoying enteric virus: A systematic review and meta‐analysis of human astroviruses and gastrointestinal complications in children. Rev Med Virol 2022; 32:e2389. [DOI: 10.1002/rmv.2389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2022] [Revised: 06/22/2022] [Accepted: 07/21/2022] [Indexed: 11/11/2022]
Affiliation(s)
| | - Kumars Pourrostami
- Department of Pediatrics School of Medicine Alborz University of Medical Sciences Karaj Iran
- Dietary Supplements and Probiotic Research Center Alborz University of Medical Sciences Karaj Iran
| | - Atefeh Kachooei
- Department of Virology Faculty of Medicine Iran University of Medical Sciences Tehran Iran
| | - Mohammad Zarei
- Renal Division Harvard Medical School Brigham and Women's Hospital Boston Massachusetts USA
- Harvard T.H. Chan School of Public Health John B. Little Center for Radiation Sciences Boston Massachusetts USA
| | - Milad Asghari
- Department of Microbiology Faculty of Basic Science Tabriz Branch Islamic Azad University Tabriz Iran
| | - Shahrzad Hamldar
- Department of Virology Faculty of Medicine Iran University of Medical Sciences Tehran Iran
| | - Alireza Khatami
- Department of Virology Faculty of Medicine Iran University of Medical Sciences Tehran Iran
| |
Collapse
|
3
|
Thwiny HT, Alsalih NJ, Saeed ZF, Al-Yasari AMR, Al-Saadawe MAA, Alsaadawi MAE. Prevalence and seasonal pattern of enteric viruses among hospitalized children with acute gastroenteritis in Samawah, Iraq. J Med Life 2022; 15:52-57. [PMID: 35186136 PMCID: PMC8852632 DOI: 10.25122/jml-2021-0158] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Accepted: 10/27/2021] [Indexed: 11/09/2022] Open
Abstract
Almost all of the deaths happening under the age of 5 occur in the developed countries of Africa and Asia. This study included children admitted to the surgical care, aged 6 months to 5 years, who suffered from acute gastroenteritis and received treatment at Samawah, Iraq, from December 2018 to December 2019. Test results detected different types of rotaviruses, adenoviruses, astroviruses using ELISA. 56.6% of the infections were attributed to a viral pathogen. The main cause was attributed to rotavirus and adenovirus. The causative agents of diarrheal diseases in 28.1% of cases are rotaviruses, in 17.05% – adenoviruses, in 11.43% – astroviruses. Viral mono-infections are detected more often than mixed infections. Viral intestinal infections are characterized by seasonality and rise in the cold season, with a peak incidence of rotavirus infection in April, adenovirus infection in November, and astrovirus infection in December.
Collapse
Affiliation(s)
| | - Nawar Jasim Alsalih
- Division of Microbiology, College of Veterinary Medicine, Al-Muthanna University, Samawah, Iraq
| | - Zeayd Fadhil Saeed
- Nursing Department, Al Furat Al Awsat Technical University, Samawah, Iraq
| | | | | | - Mohenned Abd ElHussein Alsaadawi
- Department of Parasitology, College of Veterinary Medicine, Al-Muthanna University, Samawah, Iraq,Corresponding Author: Mohenned Abd ElHussein Alsaadawi, Department of Parasitology, College of Veterinary Medicine, Al-Muthanna University, Samawah, Iraq. E-mail:
| |
Collapse
|
4
|
Luchs A, Tardy K, Tahmasebi R, Morillo SG, Milagres FADP, Morais VDS, Brustulin R, Teles MDAR, de Azevedo LS, de Souza EV, Medeiros RS, de Souza YFVP, Araújo ELL, Witkin SS, Deng X, Delwart E, Sabino EC, Leal E, da Costa AC. Human astrovirus types 1, 4 and 5 circulating among children with acute gastroenteritis in a rural Brazilian state, 2010-2016. Arch Virol 2021; 166:3165-3172. [PMID: 34417874 DOI: 10.1007/s00705-021-05206-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Accepted: 06/22/2021] [Indexed: 11/30/2022]
Abstract
This study combined conventional epidemiology of human astroviruses. From 2010 to 2016, 232 stool samples from children under 5 years of age were screened using NGS and conventional RT-PCR followed by genetic analysis in order to investigate the genotypic diversity of classical human astrovirus (HAstV) circulating in Tocantins State, Brazil. HAstV was detected in 16 cases (6.9%). Seven specimens (43.7%; 7/16) were positive according RT-PCR and next-generation sequencing (NGS) to investigate the molecular to both NGS and RT-PCR. NGS and RT-PCR individually revealed six (37.5%; 6/16) and three (18.8%; 3/16) additional positive samples, respectively. Sequencing of the HAstV-positive samples revealed HAstV-1a (9/16), HAstV-4c (3/16), and HAstV-5c (4/16) lineages.
Collapse
Affiliation(s)
- Adriana Luchs
- Instituto Adolfo Lutz, Centro de Virologia, Núcleo de Doenças Entéricas, Av. Dr Arnaldo, nº 355, São Paulo, SP, 01246-902, Brazil.
| | - Kaelan Tardy
- Instituto de Medicina Tropical, Universidade de São Paulo, Av. Dr. Enéas de Carvalho Aguiar, nº 470, São Paulo, SP, 05403-000, Brazil
| | - Roozbeh Tahmasebi
- Instituto de Medicina Tropical, Universidade de São Paulo, Av. Dr. Enéas de Carvalho Aguiar, nº 470, São Paulo, SP, 05403-000, Brazil
| | - Simone Guadagnucci Morillo
- Instituto Adolfo Lutz, Centro de Virologia, Núcleo de Doenças Entéricas, Av. Dr Arnaldo, nº 355, São Paulo, SP, 01246-902, Brazil
| | - Flavio Augusto de Pádua Milagres
- Universidade Federal do Tocantins, Tocantins, Brazil.,Laboratório Central de Saúde Pública do Tocantins (Lacen-TO), Tocantins, Brazil
| | - Vanessa Dos Santos Morais
- Instituto de Medicina Tropical, Universidade de São Paulo, Av. Dr. Enéas de Carvalho Aguiar, nº 470, São Paulo, SP, 05403-000, Brazil
| | - Rafael Brustulin
- Universidade Federal do Tocantins, Tocantins, Brazil.,Laboratório Central de Saúde Pública do Tocantins (Lacen-TO), Tocantins, Brazil
| | | | - Lais Sampaio de Azevedo
- Instituto Adolfo Lutz, Centro de Virologia, Núcleo de Doenças Entéricas, Av. Dr Arnaldo, nº 355, São Paulo, SP, 01246-902, Brazil
| | - Ellen Viana de Souza
- Instituto Adolfo Lutz, Centro de Virologia, Núcleo de Doenças Entéricas, Av. Dr Arnaldo, nº 355, São Paulo, SP, 01246-902, Brazil
| | - Roberta Salzone Medeiros
- Instituto Adolfo Lutz, Centro de Virologia, Núcleo de Doenças Entéricas, Av. Dr Arnaldo, nº 355, São Paulo, SP, 01246-902, Brazil
| | | | - Emerson Luiz Lima Araújo
- Coordenação Geral de Laboratórios de Saúde Pública, Departamento de Articulação Estratégica de Vigilância em Saúde da Secretaria de Vigilância em Saúde do Ministério da Saúde do Brasil (CGLAB/DAEVS/SVS-MS), Brasília, Brazil
| | - Steven S Witkin
- Instituto de Medicina Tropical, Universidade de São Paulo, Av. Dr. Enéas de Carvalho Aguiar, nº 470, São Paulo, SP, 05403-000, Brazil.,Department of Obstetrics and Gynecology, Weill Cornell Medicine, New York, USA
| | - Xutao Deng
- Vitalant Research Institute, San Francisco, USA.,Department Laboratory Medicine, University of California San Francisco, San Francisco, USA
| | - Eric Delwart
- Vitalant Research Institute, San Francisco, USA.,Department Laboratory Medicine, University of California San Francisco, San Francisco, USA
| | - Ester Cerdeira Sabino
- Instituto de Medicina Tropical, Universidade de São Paulo, Av. Dr. Enéas de Carvalho Aguiar, nº 470, São Paulo, SP, 05403-000, Brazil
| | - Elcio Leal
- Instituto de Ciências Biológicas, Universidade Federal do Pará, Pará, Brazil
| | - Antonio Charlys da Costa
- Instituto de Medicina Tropical, Universidade de São Paulo, Av. Dr. Enéas de Carvalho Aguiar, nº 470, São Paulo, SP, 05403-000, Brazil.
| |
Collapse
|
5
|
Jacobsen S, Höhne M, Marques AM, Beslmüller K, Bock CT, Niendorf S. Co-circulation of classic and novel astrovirus strains in patients with acute gastroenteritis in Germany. J Infect 2018; 76:457-464. [PMID: 29454018 DOI: 10.1016/j.jinf.2018.02.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2017] [Revised: 01/12/2018] [Accepted: 02/09/2018] [Indexed: 10/18/2022]
Abstract
OBJECTIVES In order to analyze the molecular epidemiology of human astroviruses (HAstV) in Germany, a retrospective long-term study was performed to characterize circulating human astrovirus in patients with acute gastroenteritis in Germany. METHODS A total of 2877 stool samples, collected between January 2010 and December 2015 from sporadic cases and outbreaks of acute gastroenteritis were retrospectively analyzed for astrovirus. A two-step PCR algorithm was developed and used to identify and characterize human astrovirus infections. RESULTS Overall, 143 samples were astrovirus-positive (5.0%). Astrovirus infection was most frequently detectable in samples from children of 3-4 years (15%) followed by children of 1-2 years (8.6%), detection rates in adults were lower (1%-3.6%). A high number (71.3%) of co-infections, mainly with noro- or rotaviruses, were identified. Genotyping revealed that at least ten genotypes from all four human MAstV species were circulating in the study population. HAstV-1 was predominant in different age groups. Novel HAstV (MLB and VA genotypes) were also circulating in Germany. CONCLUSION Our findings give new insights into the circulation and genetic diversity of human astroviruses in patients with acute gastroenteritis. The novel HAstV-MLB and -VA genotypes could be characterized firstly in Germany while the analysis showed that these viruses have been dispersed in Germany since 2011 as a causative agent of acute gastroenteritis.
Collapse
Affiliation(s)
- Sonja Jacobsen
- Department of Infectious Diseases, Unit Viral Gastroenteritis and Hepatitis Pathogens and Enteroviruses, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany; Consultant Laboratory for Noroviruses, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany
| | - Marina Höhne
- Department of Infectious Diseases, Unit Viral Gastroenteritis and Hepatitis Pathogens and Enteroviruses, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany; Consultant Laboratory for Noroviruses, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany
| | - Andreas Mas Marques
- Department of Infectious Diseases, Unit Viral Gastroenteritis and Hepatitis Pathogens and Enteroviruses, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany; Consultant Laboratory for Noroviruses, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany
| | - Klara Beslmüller
- Department of Infectious Diseases, Unit Viral Gastroenteritis and Hepatitis Pathogens and Enteroviruses, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany; Consultant Laboratory for Noroviruses, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany
| | - C-Thomas Bock
- Department of Infectious Diseases, Unit Viral Gastroenteritis and Hepatitis Pathogens and Enteroviruses, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany
| | - Sandra Niendorf
- Department of Infectious Diseases, Unit Viral Gastroenteritis and Hepatitis Pathogens and Enteroviruses, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany; Consultant Laboratory for Noroviruses, Robert Koch Institute, Seestraße 10, 13353, Berlin, Germany.
| |
Collapse
|
6
|
Lopez F, Lizasoain A, Victoria M, Papalardo C, Castro S, Arreseigor E, López P, Colina R. Epidemiology and genetic diversity of classic human astrovirus among hospitalized children with acute gastroenteritis in Uruguay. J Med Virol 2017; 89:1775-1781. [PMID: 28500748 DOI: 10.1002/jmv.24854] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2016] [Accepted: 04/26/2017] [Indexed: 01/24/2023]
Abstract
Classic Human Astrovirus (Classic HAstV) are one of the most important causes of pediatric acute gastroenteritis (AGE), after rotaviruses and arguably caliciviruses. The aim of this study was to determine the molecular epidemiology of Classic HAstV from 175 clinical samples, being 153 stools and 22 vomits, collected from pediatric hospitalized patients with AGE in Salto city, Uruguay, from January 2011 to December 2012. Classic HAstV were detected and genotyped by using a qualitative Retro Transcription-Polimerase Chain Reaction (RT-PCR) directed to the Open Reading Frame-2 (ORF2) region C. Amplicons were sequenced and phylogenetic analyses were carried out in order to determine genotypes and lineages. Classic HAstV were detected in 18 out of 175 analyzed samples (10.3%) and 14 of them (78.0%) were successfully sequenced being 6 (42.8%) classified as HAstV-1 (1a lineage), 4 (28.6%) as HAstV-2 (2c lineage), and 4 (28.6%) as HAstV-3 (3c lineage). A higher detection of Classic HAstV infections was observed in autumn for both years of surveillance, and the majority of the positive cases were observed in 2011. The group of children between 2 and 5 years old presented the higher percentage of infections. To our knowledge, the present study represents the first report of astrovirus from acute gastroenteritis cases in Uruguay, evidencing its role as a relevant etiologic agent in severe cases of this disease.
Collapse
Affiliation(s)
- Fernando Lopez
- Molecular Virology Laboratory, CENUR Litoral Norte, Universidad de la República, Salto, Uruguay
| | - Andrés Lizasoain
- Molecular Virology Laboratory, CENUR Litoral Norte, Universidad de la República, Salto, Uruguay
| | - Matías Victoria
- Department of Mathematics and Statistics CENUR Litoral Norte, Universidad de la República, Salto, Uruguay
| | - Cecilia Papalardo
- Department of Mathematics and Statistics CENUR Litoral Norte, Universidad de la República, Salto, Uruguay
| | - Sebastian Castro
- Department of Mathematics and Statistics CENUR Litoral Norte, Universidad de la República, Salto, Uruguay
| | - Edit Arreseigor
- Pediatric Unit, Medical-Surgical Society of Salto, Salto, Uruguay
| | | | - Rodney Colina
- Molecular Virology Laboratory, CENUR Litoral Norte, Universidad de la República, Salto, Uruguay
| |
Collapse
|
7
|
Xavier MDPTP, Carvalho Costa FA, Rocha MS, de Andrade JDSR, Diniz FKB, de Andrade TR, Miagostovich MP, Leite JPG, Volotão EDM. Surveillance of Human Astrovirus Infection in Brazil: The First Report of MLB1 Astrovirus. PLoS One 2015; 10:e0135687. [PMID: 26274322 PMCID: PMC4537245 DOI: 10.1371/journal.pone.0135687] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2014] [Accepted: 07/24/2015] [Indexed: 11/19/2022] Open
Abstract
Human astrovirus (HAstV) represents the third most common virus associated with acute diarrhea (AD). This study aimed to estimate the prevalence of HAstV infection in Brazilian children under 5 years of age with AD, investigate the presence of recently described HAstV strains, through extensive laboratory-based surveillance of enteric viral agents in three Brazilian coastal regions between 2005 and 2011. Using reverse transcription-polymerase chain reaction (RT-PCR), the overall HAstV detection rate reached 7.1% (207/2.913) with percentage varying according to the geographic region: 3.9% (36/921) in the northeast, 7.9% in the south (71/903) and 9.2% in the southeast (100/1.089) (p < 0.001). HAstV were detected in cases of all age groups. Detection rates were slightly higher during the spring. Nucleotide sequence analysis of a 320-bp ORF2 fragment revealed that HAstV-1 was the predominant genotype throughout the seven years of the study. The novel AstV-MLB1 was detected in two children with AD from a subset of 200 samples tested, demonstrating the circulation of this virus both the in northeastern and southeastern regions of Brazil. These results provide additional epidemiological and molecular data on HAstV circulation in three Brazilian coastal regions, highlighting its potential to cause infantile AD.
Collapse
Affiliation(s)
| | - Filipe Aníbal Carvalho Costa
- Laboratory of Comparative and Environmental Virology—Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Ministry of Health, Rio de Janeiro, RJ, Brazil
| | - Mônica Simões Rocha
- Laboratory of Comparative and Environmental Virology—Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Ministry of Health, Rio de Janeiro, RJ, Brazil
| | - Juliana da Silva Ribeiro de Andrade
- Laboratory of Comparative and Environmental Virology—Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Ministry of Health, Rio de Janeiro, RJ, Brazil
| | - Fernanda Kreischer Bandeira Diniz
- Laboratory of Comparative and Environmental Virology—Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Ministry of Health, Rio de Janeiro, RJ, Brazil
| | - Thais Ramos de Andrade
- Laboratory of Comparative and Environmental Virology—Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Ministry of Health, Rio de Janeiro, RJ, Brazil
| | - Marize Pereira Miagostovich
- Laboratory of Comparative and Environmental Virology—Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Ministry of Health, Rio de Janeiro, RJ, Brazil
| | - José Paulo Gagliardi Leite
- Laboratory of Comparative and Environmental Virology—Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Ministry of Health, Rio de Janeiro, RJ, Brazil
| | - Eduardo de Mello Volotão
- Laboratory of Comparative and Environmental Virology—Oswaldo Cruz Institute, Oswaldo Cruz Foundation, Ministry of Health, Rio de Janeiro, RJ, Brazil
| |
Collapse
|
8
|
Lizasoain A, Tort L, García M, Gómez M, Leite J, Miagostovich M, Cristina J, Colina R, Victoria M. Environmental assessment reveals the presence of MLB-1 human astrovirus in Uruguay. J Appl Microbiol 2015; 119:859-67. [DOI: 10.1111/jam.12856] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2015] [Revised: 05/12/2015] [Accepted: 05/14/2015] [Indexed: 11/28/2022]
Affiliation(s)
- A. Lizasoain
- Laboratory of Molecular Virology; Department of Biological Sciences; Regional Norte, CENUR Noroeste; Universidad de la República; Salto Uruguay
| | - L.F.L. Tort
- Laboratory of Molecular Virology; Department of Biological Sciences; Regional Norte, CENUR Noroeste; Universidad de la República; Salto Uruguay
| | - M. García
- Laboratory of Molecular Virology; Department of Biological Sciences; Regional Norte, CENUR Noroeste; Universidad de la República; Salto Uruguay
| | - M.M. Gómez
- Laboratory of Comparative and Environmental Virology; Oswaldo Cruz Institute; Oswaldo Cruz Foundation; Rio de Janeiro Brazil
| | - J.P.G. Leite
- Laboratory of Comparative and Environmental Virology; Oswaldo Cruz Institute; Oswaldo Cruz Foundation; Rio de Janeiro Brazil
| | - M.P. Miagostovich
- Laboratory of Comparative and Environmental Virology; Oswaldo Cruz Institute; Oswaldo Cruz Foundation; Rio de Janeiro Brazil
| | - J. Cristina
- Laboratory of Molecular Virology; Nuclear Investigation Center; School of Sciences; Universidad de la República; Montevideo Uruguay
| | - R. Colina
- Laboratory of Molecular Virology; Department of Biological Sciences; Regional Norte, CENUR Noroeste; Universidad de la República; Salto Uruguay
| | - M. Victoria
- Laboratory of Molecular Virology; Department of Biological Sciences; Regional Norte, CENUR Noroeste; Universidad de la República; Salto Uruguay
| |
Collapse
|
9
|
Lizasoain A, Tort LFL, García M, Gómez MM, Cristina J, Leite JPG, Miagostovich MP, Victoria M, Colina R. Environmental Assessment of Classical Human Astrovirus in Uruguay. FOOD AND ENVIRONMENTAL VIROLOGY 2015; 7:142-148. [PMID: 25680829 DOI: 10.1007/s12560-015-9186-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2014] [Accepted: 02/07/2015] [Indexed: 06/04/2023]
Abstract
The aim of this study was to determine the molecular epidemiology of classical human astrovirus (HAstV) strains in sewage samples from four Uruguayan cities: Bella Unión, Salto, Paysandú, and Fray Bentos, located in the Northwestern region of the country. Overall, 96 sewage samples were collected biweekly between March 2011 and February 2012 and were subject to ultracentrifugation methodology in order to concentrate the viruses. RT-PCR directed to the ORF2 genome region was performed followed by sequencing and phylogenetic analysis. Forty-three (45 %) out of 96 analyzed samples were positive for HAstV (Mamastrovirus 1) and 31 of them were successfully sequenced being 21 (49 %) of them classified as HAstV-1 genotype (1a lineage) and 10 (23 %) as HAstV-2 genotype (eight strains belonging to the 2d lineage and two strains to the 2c lineage). The 1a lineage circulated throughout the year, while the 2d lineage only in the coldest months (June to October). Strikingly, the 2c lineage was detected only in Salto city during March 2011. In this city it was observed the highest frequency of HAstV and the greatest genetic diversity, probably due to its role as high touristic spot with an important influx of visitants from others regions of Uruguay and also from other countries. This study constitutes the first report in Uruguay that describes the phylogenetic diversity and genotype distribution of HAstV strains circulating in the Northwestern region evidencing a high frequency and also the presence of several different lineages.
Collapse
Affiliation(s)
- A Lizasoain
- Laboratorio de Virología Molecular. Regional Norte - CENUR Noroeste, Universidad de la República, Gral. Rivera 1350, 50000, Salto, Uruguay
| | | | | | | | | | | | | | | | | |
Collapse
|
10
|
Martella V, Pinto P, Tummolo F, De Grazia S, Giammanco GM, Medici MC, Ganesh B, L'Homme Y, Farkas T, Jakab F, Bányai K. Analysis of the ORF2 of human astroviruses reveals lineage diversification, recombination and rearrangement and provides the basis for a novel sub-classification system. Arch Virol 2014; 159:3185-96. [PMID: 25326755 DOI: 10.1007/s00705-014-2153-9] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2014] [Accepted: 06/16/2014] [Indexed: 11/26/2022]
Abstract
Canonical human astroviruses (HAstVs) are important enteric pathogens that can be classified genetically and antigenically into eight types. Sequence analysis of small diagnostic regions at either the 5' or 3' end of ORF2 (capsid precursor) is a good proxy for prediction of HAstV types and for distinction of intratypic genetic lineages (subtypes), although lineage diversification/classification has not been investigated systematically. Upon sequence and phylogenetic analysis of the full-length ORF2 of 86 HAstV strains selected from the databases, a detailed classification of HAstVs into lineages was established. Three main lineages could be defined in HAstV-1, four in HAstV-2, two in HAstV-3, three in HAstV-4, three in HAstV-5 and two in HAstV-6. Intratypic (inter-lineages) ORF2 recombinant strains were identified in type 1 (1b/1d) and type 2 (2c/2b) with distinct crossover points. Other potential intratypic recombinant strains were identified in type 3, type 5 and type 6. In addition, a type-1b strain with a large insertion (~600 bp) of heterologous RNA in the N-terminal region and a type-6 strain with a large RNA rearrangement in the hypervariable region were identified. The classification scheme was integrated in a novel nomenclature system suitable for designation of HAstV strains.
Collapse
Affiliation(s)
- Vito Martella
- Dipartimento di Medicina Veterinaria, Università Aldo Moro di Bari, Valenzano, Italy,
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
11
|
Abstract
Human astroviruses (HAtVs) are positive-sense single-stranded RNA viruses that were discovered in 1975. Astroviruses infecting other species, particularly mammalian and avian, were identified and classified into the genera Mamastrovirus and Avastrovirus. Through next-generation sequencing, many new astroviruses infecting different species, including humans, have been described, and the Astroviridae family shows a high diversity and zoonotic potential. Three divergent groups of HAstVs are recognized: the classic (MAstV 1), HAstV-MLB (MAstV 6), and HAstV-VA/HMO (MAstV 8 and MAstV 9) groups. Classic HAstVs contain 8 serotypes and account for 2 to 9% of all acute nonbacterial gastroenteritis in children worldwide. Infections are usually self-limiting but can also spread systemically and cause severe infections in immunocompromised patients. The other groups have also been identified in children with gastroenteritis, but extraintestinal pathologies have been suggested for them as well. Classic HAstVs may be grown in cells, allowing the study of their cell cycle, which is similar to that of caliciviruses. The continuous emergence of new astroviruses with a potential zoonotic transmission highlights the need to gain insights on their biology in order to prevent future health threats. This review focuses on the basic virology, pathogenesis, host response, epidemiology, diagnostic assays, and prevention strategies for HAstVs.
Collapse
Affiliation(s)
- Albert Bosch
- Enteric Virus Laboratory, Department of Microbiology and Institute of Nutrition and Food Safety, University of Barcelona, Barcelona, Spain
| | - Rosa M Pintó
- Enteric Virus Laboratory, Department of Microbiology and Institute of Nutrition and Food Safety, University of Barcelona, Barcelona, Spain
| | - Susana Guix
- Enteric Virus Laboratory, Department of Microbiology and Institute of Nutrition and Food Safety, University of Barcelona, Barcelona, Spain
| |
Collapse
|
12
|
Raboni SM, Damasio GAC, Ferreira CEO, Pereira LA, Nogueira MB, Vidal LR, Cruz CR, Almeida SM. Acute gastroenteritis and enteric viruses in hospitalised children in southern Brazil: aetiology, seasonality and clinical outcomes. Mem Inst Oswaldo Cruz 2014; 109:428-35. [PMID: 25075782 PMCID: PMC4155843 DOI: 10.1590/0074-0276140066] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2014] [Accepted: 05/22/2014] [Indexed: 02/01/2023] Open
Abstract
Viral acute gastroenteritis (AG) is a significant cause of hospitalisation in children younger than five years. Group A rotavirus (RVA) is responsible for 30% of these cases. Following the introduction of RVA immunisation in Brazil in 2006, a decreased circulation of this virus has been observed. However, AG remains an important cause of hospitalisation of paediatric patients and only limited data are available regarding the role of other enteric viruses in these cases. We conducted a prospective study of paediatric patients hospitalised for AG. Stool samples were collected to investigate human adenovirus (HAdV), RVA, norovirus (NoV) and astrovirus (AstV). NoV typing was performed by nucleotide sequencing and phylogenetic analysis. From the 225 samples tested, 60 (26%) were positive for at least one viral agent. HAdV, NoV, RVA and AstV were detected in 16%, 8%, 6% and 0% of the samples, respectively. Mixed infections were found in nine patients: HAdV/RVA (5), HAdV/NoV (3) and HAdV/NoV/RVA (1). The frequency of fever and lymphocytosis was significantly higher in virus-infected patients. Phylogenetic analysis of NoV indicated that all of these viruses belonged to genotype GII.4. The significant frequency of these pathogens in patients with AG highlights the need to routinely implement laboratory investigations.
Collapse
Affiliation(s)
- Sonia Maria Raboni
- Laboratório de Virologia, Hospital de Clínicas
- Departamento de Doenças Infecciosas
| | | | - Carla EO Ferreira
- Programa de Pós-Graduação em Microbiologia, Parasitologia e
Patologia
| | | | | | | | - Cristina R Cruz
- Departamento de Pediatria, Universidade Federal do Paraná, Curitiba,
PR, Brasil
| | - Sergio M Almeida
- Laboratório de Virologia, Hospital de Clínicas
- Faculdades e Instituto de Pesquisa Pelé Pequeno Príncipe, Complexo
Pequeno Príncipe, Curitiba, PR, Brasil
| |
Collapse
|
13
|
Novel human astroviruses: challenges for developing countries. Virusdisease 2014; 25:208-14. [PMID: 25674587 DOI: 10.1007/s13337-014-0202-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2013] [Accepted: 01/31/2014] [Indexed: 01/23/2023] Open
Abstract
Astroviruses have been gaining widespread importance over the past few decades owing to their detection through advanced molecular techniques. The association of astrovirus-associated enteric infections have been reported from various settings among different age groups. The tremendous efforts of scientists from different countries to detect and characterize these star-like viruses in the course of surveillance has shown the emergence of novel astroviruses from varied host species, necessitating changes in the classification to update their taxonomy. The public health importance of these viruses implies new control measures are essential to reduce disease burden in developing countries.
Collapse
|
14
|
Martella V, Medici MC, Terio V, Catella C, Bozzo G, Tummolo F, Calderaro A, Bonura F, Di Franco M, Bányai K, Giammanco GM, De Grazia S. Lineage diversification and recombination in type-4 human astroviruses. INFECTION GENETICS AND EVOLUTION 2013; 20:330-5. [PMID: 24084291 DOI: 10.1016/j.meegid.2013.09.015] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/09/2013] [Revised: 09/12/2013] [Accepted: 09/12/2013] [Indexed: 11/28/2022]
Abstract
Human astroviruses (HAstVs) are important enteric pathogens and can be classified genetically and antigenically into eight types. During surveillance of HAstVs in Italy, type-4 HAstVs were detected only sporadically and found to cluster into two distinct genetic groups. Upon sequence analysis of the 3' end of the polymerase gene (ORF1b) and of the full-length ORF2, the 2008 type-4 HAstV strains were characterised as a novel ORF2 genetic lineage, designated as 4c. The 2008 type-4 HAstVs also shared the ORF1b gene with similar HAstV-4c strains detected globally, thus displaying a conserved ORF1b/ORF2 asset. By interrogation of the databases, this novel lineage 4c accounted for 60.8% of the type-4 strains identified worldwide and the vast majority of recent type-4 HAstVs. The 2002 type-4 HAstVs displayed a type-4b ORF2, whereas in the ORF1b they resembled type-1 HAstVs. This inconsistency suggests a possible recombinant origin, with the RNA switch taking place upstream the ORF1b/ORF2 junction region. Also, recombination likely played a role in the diversification of the ORF2 of the three type-4 lineages. Multi-target analysis is required for appropriate characterisation and identification of recombinant HAstVs.
Collapse
Affiliation(s)
- Vito Martella
- Dipartimento di Medicina Veterinaria, Università Aldo Moro di Bari, Valenzano, Italy
| | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
15
|
Ferreira MSR, Cubel Garcia RDC, Xavier MDPTP, Ribeiro RL, Assis RM, Mota MDCMS, Leite JPG, Miagostovich MP, Oliveira SAD. Genotyping of gastroenteric viruses in hospitalised children: first report of norovirus GII.21 in Brazil. Mem Inst Oswaldo Cruz 2012; 107:1064-7. [DOI: 10.1590/s0074-02762012000800017] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2012] [Accepted: 09/04/2012] [Indexed: 11/21/2022] Open
|
16
|
Abstract
Novel lineages of human astrovirus (HAstV) types 2, 2c, and 2d have been identified. Upon sequencing of the 3' end of the genome, the type 2c and 2d HAstVs were found to be open reading frame 1b (ORF1b)-ORF2 recombinant, with ORF1b being derived from type 3 and type 1 HAstVs, respectively. An ORF2 interlineage recombinant strain, 2c/2b, was also identified.
Collapse
|
17
|
Nationwide surveillance study of human astrovirus infections in an Italian paediatric population. Epidemiol Infect 2012; 141:524-8. [DOI: 10.1017/s0950268812000945] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
SUMMARYThe study investigated the genetic diversity of human astroviruses (HAstVs) detected in children hospitalized with gastroenteritis in Italy in 2008–2009. A total of 1321 faecal samples were collected in Parma (northern Italy), Bari (southern Italy), and Palermo (Sicily) and screened for the presence of HAstVs. RT–PCR amplification of a portion at the 5′-end of ORF2 allowed the detection of HAstVs in 3·95% of the patients. Four different genotypes (HAstV-1, HAstV-2, HAstV-4, HAstV-5) were found to be circulating during the study period, with HAstV-1 being the predominant type. Interestingly, a novel lineage, proposed as HAstV-2d, was found to have emerged in Parma in 2009. Investigating the genetic variability of HAstVs will be important for understanding the epidemiological trends and evolution of these viruses.
Collapse
|
18
|
Abstract
AIM To describe clinical signs associated with Human Astrovirus (HAstV) in stools in neonatal units. METHODS During 2005-2006, all stool virology performed for isolated digestive symptoms or suspicion of neonatal infection was tested for HAstV by an amplified enzyme-linked immunoassay (IDEIA™ Astrovirus test, Dako Cytomation). Each newborn with a positive result (HAstV+ group) was retrospectively matched with the first following symptomatic newborn in the same care unit having a negative stool virology (HAstV- group). Clinical data were collected during two 3-day periods (just after faecal samples collection and 1 week before) and compared within and between each group. RESULTS Human astrovirus was detected in faeces of 68 newborns [gestational age: 31.4(28.8-34) weeks] at a post-natal age of 23 (15-42) days without seasonal dominance. Human astrovirus+ and HAstV- groups were comparable. Bloody stool (54.4% versus 14.7%, p < 0.01) and stage II-III necrotizing enterocolitis (20.6% versus 4.4%, p < 0.05) were more frequently observed in HAstV+ than in HAstV- group; these associations were confirmed by logistic regression analysis. CONCLUSION This descriptive study argues for a possible association between HAstV and digestive symptoms in newborns specifically in preterm infants.
Collapse
Affiliation(s)
- Céline Chappé
- Department of Pediatrics CHU Rennes, Rennes, France.
| | | | | | | | | | | |
Collapse
|
19
|
Ferreira MSR, Xavier MDPTP, Tinga ACDC, Rose TL, Fumian TM, Fialho AM, de Assis RM, Carvalho Costa FA, de Oliveira SA, Leite JPG, Miagostovich MP. Assessment of gastroenteric viruses frequency in a children's day care center in Rio De Janeiro, Brazil: a fifteen year study (1994-2008). PLoS One 2012; 7:e33754. [PMID: 22448271 PMCID: PMC3309004 DOI: 10.1371/journal.pone.0033754] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2011] [Accepted: 02/16/2012] [Indexed: 12/03/2022] Open
Abstract
This 15-year study aimed to determine the role of the main viruses responsible for acute infantile gastroenteritis cases in a day care center in the city of Rio de Janeiro, Brazil. From 1994 to 2008, 539 fecal samples were obtained from 23 outbreaks as well as sporadic cases that occurred in this period. The detection of Rotavirus group A (RVA), norovirus (NoV) and astrovirus (AstV) was investigated both by classical and molecular methods of viral detection. RVA was detected by enzymatic immune assay and/or polyacrylamide gel electrophoresis and genotyped by using semi-nested multiplex PCR. NoV and AstV were subsequently tested by real time PCR in all RVA-negative samples and genotyped throughout genome sequencing. Three protocols for molecular characterization of NoV nucleotide sequencing were performed with the partial nucleotide sequencing of genomic regions known as region B (polymerase gen), C and D (capsid gen).Viruses were identified in 47.7% (257/539) of the cases, and the detection rates of RVA, NoV and AstV in16.1% (87/539), 33.4% (151/452), and 6.3% (19/301), respectively. Most gastroenteritis cases were reported in autumn and winter, although NoV presented a broader monthly distribution. Viruses' detection rates were significantly higher among children aged less than 24 months old, although NoV cases were detected in all age groups. RVA genotypes as G1P[8], G9P[8], G2P[4], G3P[8] and G1+G3P[8] and RVA was no longer detected after 2005. NoV characterization revealed genotypes variability circulating in the period as GI.2, GI.3, GI.8 GII.2, GII.3, GII.4, GII.4 variants 2001 and 2006b, GII.6, GII.7, GII.12 and GII.17. AstV genotypes 1, 2, 4 and 5 were also characterized. Those data demonstrate the impact of NoV infection in cases of infantile gastroenteritis, surpassing RVA infection responsible for high morbidity rate in children under five years old.
Collapse
Affiliation(s)
- Mônica Simões Rocha Ferreira
- Laboratório de Virologia Comparada e Ambiental, Instituto Oswaldo Cruz/Fiocruz, Rio de Janeiro, Rio de Janeiro, Brazil.
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
20
|
Etiology and epidemiology of viral diarrhea in children under the age of five hospitalized in Tianjin, China. Arch Virol 2012; 157:881-7. [DOI: 10.1007/s00705-012-1235-9] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2011] [Accepted: 12/13/2011] [Indexed: 10/14/2022]
|
21
|
Molecular characterization of a porcine astrovirus strain in China. Arch Virol 2011; 156:1869-75. [PMID: 21688105 PMCID: PMC7086730 DOI: 10.1007/s00705-011-1050-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2011] [Accepted: 06/08/2011] [Indexed: 10/27/2022]
Abstract
Pigs are increasingly recognized to harbor a wide range of viruses that apparently establish long-term persistence in these animals. They serve as reservoirs for a number of human zoonotic diseases. In this study, a porcine astrovirus (PAstV) strain, designated as PAstV JWH-1, is identified from a diarrheal pig in China, and it is partially characterized genetically. Sequence analysis shows that the PAstV JWH-1 strain contains divergent nucleotide sequences in both the open reading frame (ORF)1b/ORF2 consensus and the 3'-UTR regions (s2m motif), which are usually highly conserved among members of the family Astroviridae. Phylogenetic analysis indicates that the JWH-1 strain clusters closely with newly identified strains PAstV 12-4 and 14-4 and forms a group of mamastroviruses with the proposed novel deer astrovirus. Further recombination analysis shows that two possible interspecies recombination events between porcine and deer astroviruses occurred in the genome of the JWH-1 strain. This study further confirms that multiple lineages are present among PAstVs, and each lineage likely represents an independent origin. Additionally, the possibility of interspecies transmission among PAstVs is also suggested.
Collapse
|
22
|
De Grazia S, Platia M, Rotolo V, Colomba C, Martella V, Giammanco G. Surveillance of human astrovirus circulation in Italy 2002-2005: emergence of lineage 2c strains. Clin Microbiol Infect 2011; 17:97-101. [DOI: 10.1111/j.1469-0691.2010.03207.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
|
23
|
Siqueira AA, Santelli ACFS, Alencar LR, Dantas MP, Dimech CPN, Carmo GMI, Santos DA, Alves RMS, Lucena MBF, Morais M, Assis RMS, Fialho A, Mascarenhas JDP, Costa M, Linhares AC, Leite JPG, Araujo WN, Hatch DL. Outbreak of acute gastroenteritis in young children with death due to rotavirus genotype G9 in Rio Branco, Brazilian Amazon region, 2005. Int J Infect Dis 2010; 14:e898-903. [PMID: 20843719 DOI: 10.1016/j.ijid.2010.03.024] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2009] [Accepted: 03/11/2010] [Indexed: 01/09/2023] Open
Abstract
BACKGROUND An epidemic of acute gastroenteritis occurred in Rio Branco City, Acre State, in Brazil's Amazon region in 2005. An investigation was conducted to confirm the etiology and identify possible risk factors for death. METHODS Rio Branco municipality surveillance data for the period May to October 2005 were reviewed. In a case-control study, children who died following acute gastroenteritis were compared to age-matched controls with acute gastroenteritis who survived. Rotavirus A (RV-A) was investigated in 799 stool samples and genotyped by reverse transcription polymerase chain reaction (RT-PCR). RESULTS The cumulative incidence of diarrhea in children aged <5 years was 21%. A fatal outcome was significantly associated with uncovered household water storage containers. RV-A was identified in 88% of samples and G9 was the prevalent genotype (71%). CONCLUSIONS Oral rehydration solution and boiling or chlorinating drinking water likely limited mortality. This epidemic was caused by RV-A genotype G9. After the outbreak, a rotavirus vaccine was introduced into the official childhood immunization schedule in Brazil.
Collapse
Affiliation(s)
- Alessandra A Siqueira
- Field Epidemiology Training Program (EPISUS), Secretariat of Health Surveillance (SVS), Ministry of Health, Setor Comercial Sul, Edificio Principal Quadra 04, Bloco A, 3° Andar, Brasília, DF, Brazil.
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
24
|
Silva PA, Santos RAT, Costa PSS, Teixeira JMS, Giugliano LG, Andreasi MSA, Leite JPG, Schreier E, Cardoso DDDDP. The circulation of human astrovirus genotypes in the Central West Region of Brazil. Mem Inst Oswaldo Cruz 2009; 104:655-8. [DOI: 10.1590/s0074-02762009000400021] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2008] [Accepted: 03/31/2009] [Indexed: 11/21/2022] Open
Affiliation(s)
- Paula Andreia Silva
- Instituto de Patologia Tropical e Saúde Pública; Robert Koch-Institute, Germany
| | | | | | | | | | | | | | | | | |
Collapse
|
25
|
Xavier M, Oliveira S, Ferreira M, Victoria M, Miranda V, Silva M, Strina A, Barreto M, Miagostovicht M, Leite J. Detection of caliciviruses associated with acute infantile gastroenteritis in Salvador, an urban center in Northeast Brazil. Braz J Med Biol Res 2009; 42:438-44. [DOI: 10.1590/s0100-879x2009000500007] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2008] [Accepted: 02/26/2009] [Indexed: 11/22/2022] Open
Affiliation(s)
| | | | | | | | | | | | - A. Strina
- Universidade Federal da Bahia, Brasil
| | | | | | | |
Collapse
|
26
|
Jin Y, Cheng WX, Yang XM, Jin M, Zhang Q, Xu ZQ, Yu JM, Zhu L, Yang SH, Liu N, Cui SX, Fang ZY, Duan ZJ. Viral agents associated with acute gastroenteritis in children hospitalized with diarrhea in Lanzhou, China. J Clin Virol 2009; 44:238-41. [PMID: 19201258 DOI: 10.1016/j.jcv.2008.12.010] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2008] [Revised: 12/10/2008] [Accepted: 12/17/2008] [Indexed: 11/17/2022]
Abstract
BACKGROUND Gastroenteritis is a major cause of childhood morbidity and mortality worldwide. Rotavirus, human caliciviruses (HucV), adenovirus, and astrovirus are recognized as common etiologies of acute gastroenteritis. OBJECTIVES To use antigen detection and molecular methods to determine the viral etiology of childhood diarrhea in Lanzhou, China, 2005-2007. STUDY DESIGN 544 stool specimens were collected from children hospitalized with diarrhea. ELISA, RT-PCR, or PCR were used to detect viruses commonly causing diarrhea. RESULTS Group A rotavirus, norovirus, sapovirus, astrovirus, and adenovirus, were detected in 54.0%, 9.2%, 1.1%, 3.3%, and 4.4%, respectively. No group B or group C rotaviruses were detected. The relative contribution of these viruses changed greatly over 2 years. The percentage of rotavirus and adenovirus dropped from 61.2% and 5.4% to 47.6% and 1.4%, whereas HucV increased from 5.0% to 15.0%. G1 and P[8] were the predominant rotavirus strains, and P[6] was detected for the first time in this area. The predominant norovirus strain changed from GII3 to GII4, and the subtypes of GII4 changed from the Hunter strain to the variant 2006b strain. CONCLUSIONS The distribution of viruses and genotypes of individual viruses causing gastroenteritis in Lanzhou, China changed greatly during 2005-2007.
Collapse
Affiliation(s)
- Yu Jin
- Department of Pediatrics, The First Hospital of Lanzhou University, China
| | | | | | | | | | | | | | | | | | | | | | | | | |
Collapse
|
27
|
Leite JPG, Carvalho-Costa FA, Linhares AC. Group A rotavirus genotypes and the ongoing Brazilian experience: a review. Mem Inst Oswaldo Cruz 2008; 103:745-53. [DOI: 10.1590/s0074-02762008000800001] [Citation(s) in RCA: 93] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2008] [Accepted: 12/16/2008] [Indexed: 12/31/2022] Open
|
28
|
Guimarães FR, Ferreira FFM, Vieira CB, Fumian TM, Shubo T, Leite JPG, Miagostovich MP. Molecular detection of human astrovirus in an urban sewage treatment plant in Rio de Janeiro, Brazil. Mem Inst Oswaldo Cruz 2008; 103:819-23. [DOI: 10.1590/s0074-02762008000800013] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2008] [Accepted: 11/19/2008] [Indexed: 12/11/2022] Open
|
29
|
Andreasi MSA, Cardoso DDDDP, Fernandes SM, Tozetti IA, Borges AMT, Fiaccadori FS, Santos RAT, Souza M. Adenovirus, calicivirus and astrovirus detection in fecal samples of hospitalized children with acute gastroenteritis from Campo Grande, MS, Brazil. Mem Inst Oswaldo Cruz 2008; 103:741-4. [DOI: 10.1590/s0074-02762008000700020] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2008] [Accepted: 09/16/2008] [Indexed: 11/22/2022] Open
|
30
|
Resque HR, Munford V, Castilho JG, Schmich H, Caruzo TAR, Rácz ML. Molecular characterization of astrovirus in stool samples from children in São Paulo, Brazil. Mem Inst Oswaldo Cruz 2007; 102:969-74. [DOI: 10.1590/s0074-02762007000800012] [Citation(s) in RCA: 27] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2007] [Accepted: 12/19/2007] [Indexed: 12/22/2022] Open
|
31
|
Gabbay YB, Leite JPG, Oliveira DS, Nakamura LS, Nunes MRT, Mascarenhas JDP, Heinemann MB, Linhares AC. Molecular epidemiology of astrovirus type 1 in Belém, Brazil, as an agent of infantile gastroenteritis, over a period of 18 years (1982–2000): Identification of two possible new lineages. Virus Res 2007; 129:166-74. [PMID: 17714822 DOI: 10.1016/j.virusres.2007.07.006] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2007] [Accepted: 07/12/2007] [Indexed: 12/16/2022]
Abstract
Human astroviruses (HAstV) are worldwide recognized as important viral enteropathogens during childhood. This study aims to determine the incidence, genetic diversity and intertype variability of HAstV-1 in children less than 5 years of age enrolled in several studies conducted in Belém/Pará, and São Luís/Maranhão, Brazil, from December 1982 to May 2000. Using EIA and RT-PCR, an overall positivity of 6.1% (155/2.534) was achieved, of these, 140 were positive by RT-PCR. The analysis of a 348bp ORF2 fragment revealed that HAstV-1 was the predominant genotype (85/140, 60.7%) throughout the 18 years of study. Phylogenetic analysis was performed for 81 of these strains, and 76 (93.8%) were genetically classified as HAstV-1a. The remainder of strains (n=5) were assigned to possible new lineages, 1e and 1f. Four of these five strains were detected in 1983 and 1984, and the lineage 1a circulated during 10 consecutive years (1990/2000). Genome sequence variation was found among the HAstV-1 strains involving all lineages, but only five nucleotide changes translated into aminoacid changes over this period, suggesting that HAstV-1 was very stable. The data obtained in this study should be useful for further studies at molecular level, including improvement of disease surveillance based on molecular diagnostic tools, and vaccine development.
Collapse
Affiliation(s)
- Yvone B Gabbay
- Virology Section, Instituto Evandro Chagas, Secretaria de Vigilância em Saúde, Ministério da Saúde, Rodovia BR 316, Km 07, S/N, Levilândia 67030-000, Ananindeua, PA, Brazil.
| | | | | | | | | | | | | | | |
Collapse
|
32
|
Ferreira M, Xavier M, Fumian T, Victoria M, Oliveira S, Pena L, Leite J, Miagostovich M. Acute gastroenteritis cases associated with noroviruses infection in the state of Rio de Janeiro. J Med Virol 2007; 80:338-44. [DOI: 10.1002/jmv.21059] [Citation(s) in RCA: 33] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
|