Detection of human rhinovirus C viral genome in blood among children with severe respiratory infections in the Philippines.

Human rhinovirus (HRV) C was recently identified as the third species of HRV using a molecular technique. Infections caused by previously identified HRVs (A and B) are thought to be limited to the respiratory tract; however, pathogenesis of HRVC is still largely unknown. A total of 816 nasopharyngea...

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Autores principales:	Naoko Fuji, Akira Suzuki, Socorro Lupisan, Lydia Sombrero, Hazel Galang, Taro Kamigaki, Raita Tamaki, Mariko Saito, Rapunzel Aniceto, Remigio Olveda, Hitoshi Oshitani
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2011
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/85c4e512824b4210a15397911854117c
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spelling	oai:doaj.org-article:85c4e512824b4210a15397911854117c2021-11-18T07:34:45ZDetection of human rhinovirus C viral genome in blood among children with severe respiratory infections in the Philippines.1932-620310.1371/journal.pone.0027247https://doaj.org/article/85c4e512824b4210a15397911854117c2011-01-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/22087272/?tool=EBIhttps://doaj.org/toc/1932-6203Human rhinovirus (HRV) C was recently identified as the third species of HRV using a molecular technique. Infections caused by previously identified HRVs (A and B) are thought to be limited to the respiratory tract; however, pathogenesis of HRVC is still largely unknown. A total of 816 nasopharyngeal swabs from hospitalized children with severe respiratory infections in the Philippines (May 2008-May 2009) were tested for HRV by reverse transcription polymerase chain reaction (RT-PCR), and 243 samples (29.8%) were positive for HRV. Among these patients, serum samples were also tested to determine whether specific HRV species were associated with viremia. Only 30 serum samples (12.3%) were positive for HRV. However, the HRV positive rates were different among HRV species, 3% (4/135) for HRVA, 0% (0/25) for HRVB, and 31% (26/83) for HRVC, and were the highest on 2 days after the onset of symptoms. These results suggest that HRVC may have a different pathogenicity and can more commonly cause viremia than HRVA and HRVB. Serum positive rates for HRV are affected by age, i.e., higher positive rates for those aged 1 year or more. HRVC that were detected from serum exhibited the same level of sequence diversity as those positive only for nasopharyngeal samples in phylogenetic analysis. However, all HRVA which were detected from serum were clustered in a monophyletic clade based on their 5' non-coding region (NCR) sequences, which is closely related with a certain HRVC genotype (A2) in 5'-NCR. This finding suggests that the 5'NCR region may be associated with viremia.Naoko FujiAkira SuzukiSocorro LupisanLydia SombreroHazel GalangTaro KamigakiRaita TamakiMariko SaitoRapunzel AnicetoRemigio OlvedaHitoshi OshitaniPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 6, Iss 11, p e27247 (2011)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Naoko Fuji Akira Suzuki Socorro Lupisan Lydia Sombrero Hazel Galang Taro Kamigaki Raita Tamaki Mariko Saito Rapunzel Aniceto Remigio Olveda Hitoshi Oshitani Detection of human rhinovirus C viral genome in blood among children with severe respiratory infections in the Philippines.
description	Human rhinovirus (HRV) C was recently identified as the third species of HRV using a molecular technique. Infections caused by previously identified HRVs (A and B) are thought to be limited to the respiratory tract; however, pathogenesis of HRVC is still largely unknown. A total of 816 nasopharyngeal swabs from hospitalized children with severe respiratory infections in the Philippines (May 2008-May 2009) were tested for HRV by reverse transcription polymerase chain reaction (RT-PCR), and 243 samples (29.8%) were positive for HRV. Among these patients, serum samples were also tested to determine whether specific HRV species were associated with viremia. Only 30 serum samples (12.3%) were positive for HRV. However, the HRV positive rates were different among HRV species, 3% (4/135) for HRVA, 0% (0/25) for HRVB, and 31% (26/83) for HRVC, and were the highest on 2 days after the onset of symptoms. These results suggest that HRVC may have a different pathogenicity and can more commonly cause viremia than HRVA and HRVB. Serum positive rates for HRV are affected by age, i.e., higher positive rates for those aged 1 year or more. HRVC that were detected from serum exhibited the same level of sequence diversity as those positive only for nasopharyngeal samples in phylogenetic analysis. However, all HRVA which were detected from serum were clustered in a monophyletic clade based on their 5' non-coding region (NCR) sequences, which is closely related with a certain HRVC genotype (A2) in 5'-NCR. This finding suggests that the 5'NCR region may be associated with viremia.
format	article
author	Naoko Fuji Akira Suzuki Socorro Lupisan Lydia Sombrero Hazel Galang Taro Kamigaki Raita Tamaki Mariko Saito Rapunzel Aniceto Remigio Olveda Hitoshi Oshitani
author_facet	Naoko Fuji Akira Suzuki Socorro Lupisan Lydia Sombrero Hazel Galang Taro Kamigaki Raita Tamaki Mariko Saito Rapunzel Aniceto Remigio Olveda Hitoshi Oshitani
author_sort	Naoko Fuji
title	Detection of human rhinovirus C viral genome in blood among children with severe respiratory infections in the Philippines.
title_short	Detection of human rhinovirus C viral genome in blood among children with severe respiratory infections in the Philippines.
title_full	Detection of human rhinovirus C viral genome in blood among children with severe respiratory infections in the Philippines.
title_fullStr	Detection of human rhinovirus C viral genome in blood among children with severe respiratory infections in the Philippines.
title_full_unstemmed	Detection of human rhinovirus C viral genome in blood among children with severe respiratory infections in the Philippines.
title_sort	detection of human rhinovirus c viral genome in blood among children with severe respiratory infections in the philippines.
publisher	Public Library of Science (PLoS)
publishDate	2011
url	https://doaj.org/article/85c4e512824b4210a15397911854117c
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Detection of human rhinovirus C viral genome in blood among children with severe respiratory infections in the Philippines.

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