Abstract
Recent molecular genetic studies in cardiac and skeletal muscle have revealed mutations in a battery of sarcomeric muscle-restricted genes that appear to be associated with various myopathies (1,2). In sharp contrast, no mutations in smooth muscle cell (SMC)-restricted genes have been linked to a SMC disease phenotype, although a review of the literature indicates that many SMC diseases with a presumed genetic basis are present in human populations (3–13). An important first step in linking a disease phenotype to a mutation within a specific gene is the accurate physical mapping of the candidate gene to a specific chromosomal region within the context of other genetic markers, such as highly polymorphic microsatellite markers now routinely used for recombination-based linkage analysis of families segregating a particular disease phenotype. Several methods exist for the physical mapping of genes, including fluorescent in situ hybridization (FISH) (14) and interspecific mouse back-crossing (15). FISH analysis is relatively fast, but often requires large genomic clones and does not afford the high-resolution mapping required to link a gene locus to a disease phenotype. Interspecific mouse back-crossing can be quite powerful with respect to resolution, but studies are necessarily limited to the mouse genome. Thus, a broadly applicable, fast and simple method of gene mapping would be desirable to aid investigators in localizing potential candidate disease genes, especially those pertaining to SMC-associated diseases.
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© 1999 Humana Press Inc., Totowa, NJ
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Miano, J.M., Garcia, E., Krahe, R. (1999). Radiation Hybrid (RH) Mapping of Human Smooth Muscle-Restricted Genes. In: Baker, A.H. (eds) Vascular Disease. Methods in Molecular Medicine™, vol 30. Humana Press. https://doi.org/10.1385/1-59259-247-3:25
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DOI: https://doi.org/10.1385/1-59259-247-3:25
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Print ISBN: 978-0-89603-731-1
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