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Construction of multiple recombinant SLA-I proteins by linking heavy chains and light chains in vitro and analyzing their secondary and 3-dimensional structures

Six breeds of swine were used to study the structure of swine leukocyte antigen class I (SLA-I). SLA-I complexes were produced by linking SLA-2 genes and beta(2)m genes via a linker encoding a 15 amino acid glycine-rich sequence, (G4S)3, using splicing overlap extension (SOE…

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Identification, cloning, and functional characterization of the IL-1 receptor antagonist in the chicken reveal important differences between the chicken and mammals

The human IL-1 family contains 11 genes encoded at three separate loci. Nine, including IL-1R antagonist (IL-1RN), are present at a single locus on chromosome 2, whereas IL-18 and IL-33 lie on chromosomes 11 and 9, respectively. There are currently only two known orthologs…

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Identification, cloning and characterisation of interleukin-1F5 (IL-36RN) in the chicken

The human IL-1 family contains eleven genes encoded at three separate loci. Nine, including IL-36 receptor antagonist (IL-36RN), also known as IL-1F5, are present at a single locus on chromosome 2, whereas IL-18 and IL-33 lie on chromosomes 11 and 9 respectively. There are…

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Interdisciplinary approaches to zoonotic disease

Zoonotic infections are on the increase worldwide, but most research into the biological, environmental and life science aspects of these infections has been conducted in separation. In this review we bring together contemporary research in these areas to suggest a new…

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Challenge of pigs with classical swine fever viruses after C-strain vaccination reveals remarkably rapid protection and insights into early immunity

Pre-emptive culling is becoming increasingly questioned as a means of controlling animal diseases, including classical swine fever (CSF). This has prompted discussions on the use of emergency vaccination to control future CSF outbreaks in domestic pigs. Despite a long…

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Characterisation of vaccine-induced, broadly cross-reactive IFN-gamma secreting T cell responses that correlate with rapid protection against classical swine fever virus

Live attenuated C-strain classical swine fever viruses (CSFV) provide a rapid onset of protection, but the lack of a serological test that can differentiate vaccinated from infected animals limits their application in CSF outbreaks. Since immunity may precede antibody…

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Assessment of T-dependent and T-independent immune responses in cattle using a B cell ELISPOT assay

Understanding the mechanisms that maintain protective antibody levels after immunisation is important for vaccine design. In this study, we have determined the kinetics of plasma and memory B cells detectable in the blood of cattle immunised with model T-dependent or T…

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Analyses of pig genomes provide insight into porcine demography and evolution

For 10,000?years pigs and humans have shared a close and complex relationship. From domestication to modern breeding practices, humans have shaped the genomes of domestic pigs. Here we present the assembly and analysis of the genome sequence of a female domestic Duroc pig…

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Scaling from challenge experiments to the field: quantifying the impact of vaccination on the transmission of bluetongue virus serotype 8

Bluetongue (BT) is an economically important disease of ruminants caused by bluetongue virus (BTV) and transmitted by Culicoides biting midges. The most practical and effective way to protect susceptible animals against BTV is by vaccination. Data from challenge studies in…

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Modified vaccinia virus Ankara-based vaccine vectors induce apoptosis in dendritic cells draining from the skin via both the extrinsic and intrinsic caspase pathways, preventing efficient antigen presentation

Dendritic cells (DC) are potent antigen-presenting cells and central to the induction of immune responses following infection or vaccination. The collection of DC migrating from peripheral tissues by cannulation of the afferent lymphatic vessels provides DC which can be used…