Exploring Pathogenetic Mechanisms Using Transgenic Animals

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Abstract
Molecular technologies for the permanent germ-line transformation of animals are now well established and routine. These new strains of animals, called transgenic, offer an unprecedented opportunity to gain a basic understanding of human genetic disorders. In this brief review we discuss the role of transgenic animals in the creation of new models of human disease and their experimental use in biomedical research. Models are now available for the study of the genetic processes involved in the pathogenesis of neoplasia, diabetes, atherosclerosis, and developmental abnormalities. Many others are available and new ones are being produced at a great rate. Principles of gene replacement therapy are amenable to analysis with transgenic animals and the information gained will be important for the development of rational therapy.