title: Genetically engineered livestock for biomedical models.
abstract: To commemorate Transgenic Animal Research Conference X, this review summarizes the recent progress in developing genetically engineered livestock species as biomedical models. The first of these conferences was held in 1997, which turned out to be a watershed year for the field, with two significant events occurring. One was the publication of the first transgenic livestock animal disease model, a pig with retinitis pigmentosa. Before that, the use of livestock species in biomedical research had been limited to wild-type animals or disease models that had been induced or were naturally occurring. The second event was the report of Dolly, a cloned sheep produced by somatic cell nuclear transfer. Cloning subsequently became an essential part of the process for most of the models developed in the last 18 years and is stilled used prominently today. This review is intended to highlight the biomedical modeling achievements that followed those key events, many of which were first reported at one of the previous nine Transgenic Animal Research Conferences. Also discussed are the practical challenges of utilizing livestock disease models now that the technical hurdles of model development have been largely overcome.
authors.affiliation: Exemplar Genetics, 2500 Crosspark Rd., Ste E126, Coralville, IA, 52241, USA. chris.rogers@exemplargenetics.com.
authors.forename: Christopher S
authors.initials: CS
authors.lastname: Rogers
mesh_terms: D000818:Animals; D030801:Animals, Genetically Modified / Q000235:genetics*; D035843:Biomedical Research / Q000639:trends; D019976:Cloning, Organism / Q000639:trends*; D004195:Disease Models, Animal; D005818:Genetic Engineering / Q000639:trends*; D058751:Livestock / Q000235:genetics*; D053652:Nuclear Transfer Techniques / Q000639:trends; D012756:Sheep / Q000235:genetics; D013552:Swine / Q000235:genetics
keywords: Animal model; Caprine; Genetically engineered; Human disease; Livestock; Ovine; Porcine
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