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Zhang M, Wu F, Liang M, Xian J, Zheng L, Li Q, Chen Q. Parechovirus A infection and risk of gastroenteritis in children: A systematic review and meta-analysis. Rev Med Virol 2022; 32:e2380. [PMID: 35822660 DOI: 10.1002/rmv.2380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2021] [Revised: 04/02/2022] [Accepted: 07/05/2022] [Indexed: 11/07/2022]
Abstract
Parechovirus A (PeV-A) belongs to the genus Parechovirus in the family Picornaviridae associated with gastroenteritis illness, particularly in children, but prior studies have produced ambiguous results. This study aimed to provide a systematic review of the PeV-A prevalence in paediatric patients with gastroenteritis and the association between PeV-A infection and the risk of gastroenteritis. A systematic search of the literature was conducted in Embase, PubMed, Scopus, and Web of Science, in combination with the reference lists of potentially relevant articles. A random effect-based model was applied to analyse data from included studies. The pooled odds ratio (OR) and 95% confidence interval (CI) were used for assessing the risk between PeV-A and gastroenteritis. A total of 41 studies assessing 21,850 cases and 1746 healthy controls were analysed. The overall prevalence of PeV-A among paediatric patients with gastroenteritis was 10.4% (95% CI: 7.9%-13.2%), while it was estimated at 8.1% (95% CI: 5.1%-11.7%) based on studies only investigating children without gastroenteritis. The pooled OR for all eight case-control studies was 1.079 (95% CI: 0.730-1.597), indicating there was no statistically significant association. PeV-A genotype 1 was the most frequent genotype of PeV-A infection in children with gastroenteritis. The PeV-A prevalence in cases of gastroenteritis is higher than that in children without gastroenteritis. However, the present meta-analysis did not indicate a statistically significant association between PeV-A infection and risk of gastroenteritis. Given the considerable heterogeneity and various sample sizes among the included studies, relevant investigations in the future should be carried out based on a large-scale population.
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Affiliation(s)
- Minyi Zhang
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Fei Wu
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Minyi Liang
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Juxian Xian
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Liting Zheng
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Qiushuang Li
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
| | - Qing Chen
- Department of Epidemiology, Guangdong Provincial Key Laboratory of Tropical Disease Research, School of Public Health, Southern Medical University, Guangzhou, China
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Razizadeh MH, Khatami A, Zarei M. Global molecular prevalence and genotype distribution of Sapovirus in children with gastrointestinal complications: A systematic review and meta-analysis. Rev Med Virol 2021; 32:e2302. [PMID: 34626019 DOI: 10.1002/rmv.2302] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2021] [Revised: 09/13/2021] [Accepted: 09/14/2021] [Indexed: 01/11/2023]
Abstract
Sapovirus (SaV) is an emerging cause of children gastrointestinal complications such as acute gastroenteritis (AGE). The aim of the present systematic review and meta-analysis was to estimate the global prevalence of the SaV in children and association of infection with SaVs and AGE in children based on case-control studies. Four international databases (PubMed, Scopus, Web of Sciences and Google Scholar) were used to retrieve English-language studies published between January 2000 and December 2020. Comprehensive Meta-Analysis software was applied to estimate the overall prevalence, publication bias and heterogeneity index. The pooled prevalence of SaV infection among children with gastroenteritis was 3.4% [95% confidence interval (CI): 2.9%-3.9%] based on a random-effects meta-analysis. Genogroup I was the dominant genogroup of SaV in children with gastroenteritis [2.2% (95% CI: 1.6%-3.0%)], association analysis showed that SaV was associated with gastroenteritis [OR: 1.843 (95% CI: 1.27-2.66)]. Given the significant prevalence of the virus in children, it is necessary to pay more attention to this situation. Therefore, preventive health measures in children should be a priority.
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Affiliation(s)
| | - Alireza Khatami
- Department of Virology, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran.,Non-Communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran
| | - Mohammad Zarei
- Renal Division, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts, USA.,John B. Little Center for Radiation Sciences, Harvard T.H. Chan School of Public Health, Boston, Massachusetts, USA
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Molecular characterization of the complete genome sequence of human Parechovirus 1 in Pakistan. Virus Res 2020; 290:198178. [PMID: 33010373 DOI: 10.1016/j.virusres.2020.198178] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/19/2020] [Accepted: 09/21/2020] [Indexed: 11/22/2022]
Abstract
Human parechoviruses (HPeVs) are highly common pathogens in children under 2 years of age. Of the 19 distinct HPeV genotypes identified worldwide, HPeV1 is still the most prevalent type associated with respiratory and gastrointestinal symptoms in infants and young children. Pakistan's previous studies have focused only on the detection and partial sequencing of HPeV genotypes. In the present study, we have obtained the complete genomes of 2 HPeV1 strains (PAK419 and PAK663) from children using NGS method on Illumina Hiseq Platform. These samples were collected from children suffering from acute gastroenteritis in Rawalpindi, Pakistan during 2016. The near complete genome sequences obtained for two HPeV1 strains (PAK419 and PAK663) consist of total 6877 nucleotides with a single, large open reading frame (ORF) encoding a polyprotein gene. Phylogenetic analysis showed that both HPeV1 strains exhibited maximum amino acid similarity (97 %) to HPeV1 strains from The Nederlands (2007-863, GQ183034) and clustered closely with this and with other HPeV1 strains isolated from other countries in the world (Ethiopia, Taiwan, Russia and Brazil). A motif of arginine-glycine-aspartic acid (RGD) in the VP1 (Outer capsid protein) C-terminus region that is suggested to help virus entry into the host cell also identified in PAK419 and PAK663. SimPlot analysis revealed that intergenotypic recombination events may have take place in the non-structural region between both HPeV1 strains (PAK419, PAK663), two major strains of HPeV1 (GQ183034 and MG873157) and four minor strains of HPeV4 (AM235750), HPeV7 (EU556224), HPeV15 (MN265386) and HPeV18 (KT879915). The full genome of HPeV1 strains characterized in the current study will provide complete information on these newly isolated strains for further preventive or treatment measures.
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