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Development of a biosensor from aptamers for detection of the porcine reproductive and respiratory syndrome virus

Kuitio C, Rasri N, Kiriwan D, Unajak S, Choowongkomon K

Background: Recently, the pork industry of Thailand faced an epidemic of highly virulent strains of porcine reproductive and respiratory syndrome virus (PRRSV), which spread throughout Southeast Asia, including the Lao...
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Age-specific Prevalence of Porcine Reproductive and Respiratory Syndrome Virus, Porcine Circovirus Type 2, and Mycoplasma hyopneumoniae in Korea Pig Farms

Kang I, Ham H

Porcine respiratory disease complex (PRDC) continues to be a significant economic problem to the swine industry. Porcine circovirus type 2 (PCV2), porcine reproductive and respiratory syndrome virus (PRRSV), and Mycoplasma...
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Evaluation of the efficacy of an attenuated live vaccine based on virulent porcine reproductive and respiratory syndrome virus 2 in young pigs

Lee SC, Noh YH, Lee S, Choi HW, Yoon IJ, Kang SY, Lee C

The efficacy of the CA-2-MP120 vaccine, a cell culture-attenuated strain of virulent porcine reproductive and respiratory syndrome virus (PRRSV), was assessed in pigs. Despite the persistence of viremia in all...
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An enhanced immunochromatographic strip test using colloidal gold nanoparticle-labeled dual-type N proteins for detection of antibodies to PRRS virus

Yu JE, Ouh IO, Kang H, Lee HY, Cheong KM, Cho IS, Cha SH

Porcine reproductive and respiratory syndrome (PRRS) is recognized as one of the most important infectious diseases causing serious economic loss in the swine industry worldwide. Due to its increasing genetic...
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Acute porcine reproductive and respiratory syndrome outbreaksin immunized sow herds: from occurrence to stabilization under whole herd vaccination strategy

Moon SH, Yoo SJ, Noh SH, Kwon T, Lee DU, Je SH, Kim MH, Seo SW, Lyoo YS

Outbreaks of porcine reproductive and respiratory syndrome virus (PRRSV) in vaccinated sow herds from occurrence to stabilization were monitored and analyzed in terms of serology and reproductive performance. Three different...
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Phenotypic and genotypic analyses of an attenuated porcine reproductive and respiratory syndrome virus strain after serial passages in cultured porcine alveolar macrophages

Lee SC, Lee S, Yoo GW, Choi HW, Noh YH, Park CE, Shin JH, Yoon IJ, Kang SY, Lee C

The porcine reproductive and respiratory syndrome virus (PRRSV) is a globally ubiquitous swine viral pathogen that causes major economic losses worldwide. We previously reported an over-attenuated phenotype of cell-adapted PRRSV...
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Preliminary assessment of correlation between T-lymphocyte responses and control of porcine reproductive and respiratory syndrome virus (PRRSV) in piglets born after in-utero infection of a type 2 PRRSV

Cha SH, Bandaranayaka-Mudiyanselage C, Bandaranayaka-Mudiyanselage CB, Ajiththos , Yoon KJ, Gibson KA, Yu JE, Cho IS, Lee SS, Chung CJ

A preliminary study into the protective mechanisms of adaptive immunity against porcine reproductive and respiratory syndrome virus (PRRSV) in piglets (n = 9) born to a gilt challenged intranasally with...
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A new recombined porcine reproductive and respiratory syndrome virus virulent strain in China

Dong JG, Yu LY, Wang PP, Zhang LY, Liu YL, Liang PS, Song CX

Porcine reproductive and respiratory syndrome (PRRS) is one of the most important swine diseases worldwide. In the present study, a new virulent strain of PRRS virus (PRRSV), GDsg, was isolated...
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Genetic diversity and phylogenetic analysis of porcine reproductive and respiratory syndrome virus in southern China from 2007 to 2014

Wu Q, Li Z, Zhang G, Niu J, Zeng X, Sun B, Ma J

Porcine reproductive and respiratory syndrome virus (PRRSV) has a high degree of genetic variation. In this study, we characterized the genetic variation and evolutionary relationships among circulating PRRSV strains in...
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Duplex nested reverse transcriptase polymerase chain reaction for simultaneous detection of type 2 porcine reproductive and respiratory syndrome virus and porcine circovirus type 2 from tissue samples

Kim HK, Lyoo KS, Huynh TM, Moon HJ, Nguyen VG, Park BK

There are high levels of co-incidence of porcine reproductive and respiratory syndrome virus (PRRSV) and porcine circovirus type 2 (PCV2) in porcine tissue. This study established a duplex nested reverse...
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Augmented immune responses in pigs immunized with an inactivated porcine reproductive and respiratory syndrome virus containing the deglycosylated glycoprotein 5 under field conditions

Lee JA, Lee NH, Lee JB, Park SY, Song CS, Choi IS, Lee SW

PURPOSE: Porcine reproductive and respiratory syndrome virus (PRRSV) leads to major economic losses in the swine industry. Vaccination is the most effective method to control the disease by PRRSV. MATERIALS AND...
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Detection of porcine reproductive and respiratory syndrome virus in oral fluid from naturally infected pigs in a breeding herd

Trang NT, Hirai T, Yamamoto T, Matsuda M, Okumura N, Giang NT, Lan NT, Yamaguchi

The objectives of the present study were to evaluate the anatomic localization of porcine reproductive and respiratory syndrome virus (PRRSV) in naturally infected pigs and to determine whether oral fluid...
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Positive effects of porcine IL-2 and IL-4 on virus-specific immune responses induced by the porcine reproductive and respiratory syndrome virus (PRRSV) ORF5 DNA vaccine in swine

Tang D, Liu J, Li C, Zhang H, Ma P, Luo X, Zeng Z, Hong N, Liu X, Wang B, Wang F, Gan Z, Hao F

The purpose of this study was to investigate the effects of porcine interleukin (IL)-2 and IL-4 genes on enhancing the immunogenicity of a porcine reproductive and respiratory syndrome virus ORF5...
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The signal sequence of type II porcine reproductive and respiratory syndrome virus glycoprotein 3 is sufficient for endoplasmic reticulum retention

Kim DG, Song CS, Choi IS, Park SY, Lee JB, Lee SS

The glycoprotein 3 (GP3) of type II porcine reproductive and respiratory syndrome virus has the characteristic domains of a membrane protein. However, this protein has been reported to be retained...
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Antiviral effect of dietary germanium biotite supplementation in pigs experimentally infected with porcine reproductive and respiratory syndrome virus

Jung BG, Lee JA, Lee BJ

Germanium biotite (GB) is an aluminosilicate mineral containing 36 ppm germanium. The present study was conducted to better understand the effects of GB on immune responses in a mouse model,...
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Genetic diversity of porcine reproductive and respiratory syndrome virus in Korea

Choi EJ, Lee CH, Song JY, Song HJ, Park CK, Kim B, Shin YK

The high genetic diversity of porcine reproductive and respiratory syndrome virus (PRRSV) has been an obstacle to developing an effective vaccine for porcine reproductive and respiratory syndrome (PRRS). This study...
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Pathologic studies in lymph nodes of pigs infected with porcine circovirus type 2, porcine reproductive and respiratory syndrome virus

Jung JY, Kim JH

  • KMID: 1790572
  • Korean J Vet Res.
  • 2013 Dec;53(4):245-251.
Porcine circovirus type 2 (PCV2) and porcine reproductive and respiratory syndrome virus (PRRSV) have been suspected to have immunosuppressive effects on pigs. To investigate the correlation between these virus infection...
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Sequence Analysis and Expression of ORF5 in Korean Isolate of Porcine Reproductive and Respiratory Syndrome Virus

Yi SS, Sun JS, Kim HS, Kang SY, Hahn TW

Porcine reproductive and respiratory syndrome virus (PRRSV) is the causative agent of reproductive failure and respiratory disorders in pigs. The viral genome consists of eight overlapping open reading frames (ORFs)....
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Intracellular Localization of the Porcine Reproductive and Respiratory Syndrome Virus Nucleocapsid Protein

Yun SI, Choi YJ, Song BH, Kang SY, Lee YM

Porcine reproductive and respiratory syndrome virus (PRRSV) is a small enveloped, positive-stranded RNA virus belonging to the family Arteriviridae. It causes the porcine reproductive and respiratory syndrome in swine. The...
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5' and 3' cis-Acting RNA Elements Required for RNA Replication of Porcine Reproductive and Respiratory Syndrome Virus

Kang SY, Choi YJ, Yun SI, Song BH, Lee YM

Porcine reproductive and respiratory syndrome virus (PRRSV), a member of the genus Arterivirus in the family Arteriviridae, is the most important viral pathogens in swine industry worldwide. Here, we have...
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