Serological and molecular evidence of hepatitis E virus in swine in Brazil

被引：63

作者：

Lopes dos Santos, Debora Regina ^{[1
]}

Vitral, Claudia Lamarca ^{[1
,2
]}

de Paula, Vanessa Salete ^{[1
]}

Marchevsky, Renato Sergio ^{[3
]}

Lopes, Juliana Freitas ^{[1
]}

Coimbra Gaspar, Ana Maria ^{[1
]}

Saddi, Telma Michella ^{[4
]}

de Mesquita Junior, Nilton Cecilio ^{[4
]}

Guimaraes, Flavio de Rezende ^{[4
]}

Caramori Junior, Joao Garcia ^{[4
]}

Lewis Ximenes, Lia Laura ^{[6
]}

Dutra Souto, Francisco Jose ^{[5
]}

Pinto, Marcelo Alves ^{[1
]}

机构：

[1] Inst Oswaldo Cruz Fiocruz, Lab Desenvolvimento Tecnol, BR-21040900 Rio De Janeiro, Brazil

[2] Univ Fed Fluminense, Inst Biomed, Dept Microbiol & Parasitol, BR-24210130 Niteroi, RJ, Brazil

[3] Biomanguinlios Fiocruz, Lab Neurovirulencia, BR-21040900 Rio De Janeiro, Brazil

[4] Univ Fed Mato Grosso, UFMI, Fac Agron & Med Vet, BR-78060600 Cuiaba, Mato Grosso, Brazil

[5] UFMI, Fac Ciencias Med, BR-78060600 Cuiaba, Mato Grosso, Brazil

[6] Inst Oswaldo Cruz Fiocruz, Lab Hepatites Virais, BR-21040900 Rio De Janeiro, Brazil

来源：

VETERINARY JOURNAL | 2009年 / 182卷 / 03期

关键词：

Hepatitis E virus; Swine; Molecular epidemiology; Brazil; LINKED-IMMUNOSORBENT-ASSAY; CROSS-SPECIES INFECTION; ANTI-HEV ANTIBODIES; WILD BOAR MEAT; UNITED-STATES; GENETIC-CHARACTERIZATION; PHYLOGENETIC ANALYSIS; HUMAN-POPULATIONS; VIRAL-HEPATITIS; PREVALENCE;

D O I：

10.1016/j.tvjl.2008.08.001

中图分类号：

S85 [动物医学（兽医学）];

学科分类号：

0906 ;

摘要：

Active hepatitis E Virus (HEV) infections in two Brazilian swine herds were investigated In Study 1, 26 piglets born to five anti-HEV positive sows were monitored from birth to post partum week 22. Serum samples were screened for the detection of anti-HEV antibodies and a nested RT-PCR used to examine the HEV genome. Passive transfer of immunity was confirmed At week 22, 23/26 (88.4%) of the piglets had seroconverted Genome amplification was achieved in a feces pool from one holding pen and in one serum sample. both from 13-week-old animals Histology was Suggestive of a potential HEV infection In the second study. 47 piglets born to six anti-HEV-positive sows were monitored after weaning. Seroconversion was determine in eight animals at 6-8 weeks of age. HEV RNA was detected in two pools from a holding pen for 12-16-week-old animals. Brazilian isolates were classified as genotype 3. This is the first molecular evidence of HEV infection in Brazilian pig herds (C) 2008 Elsevier Ltd. All rights reserved

引用

页码：474 / 480

页数：7

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