Structural Analysis and Mutation Detection Strategy for the Human LamC3 Gene

Laminins are heterotrimeric extracellular matrix molecules, present in a wide range of basement membranes within human tissues. They consist of a combination of different α, β, and γ subunits. Three different γ subunits have been described to date. Two of them, the γ1 and γ2 chains are constituents...

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Bibliographic Details
Published in:Biochemical and biophysical research communications 2001-01, Vol.280 (1), p.39-44
Main Authors: Cserhalmi-Friedman, Peter B., Olson, Pamela F., Koch, Manuel, Champliaud, Marie-France, Brunken, William J., Burgeson, Robert E., Christiano, Angela M.
Format: Article
Language:English
Subjects:
Amino Acid Substitution
Base Sequence
DNA - genetics
DNA Mutational Analysis
DNA Primers
Exons
extracellular matrix
Humans
Introns
LAMC3 gene
Laminin - genetics
Molecular Sequence Data
Mutation
Mutation, Missense
Polymerase Chain Reaction
Polymorphism, Genetic
Repetitive Sequences, Nucleic Acid
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Summary:Laminins are heterotrimeric extracellular matrix molecules, present in a wide range of basement membranes within human tissues. They consist of a combination of different α, β, and γ subunits. Three different γ subunits have been described to date. Two of them, the γ1 and γ2 chains are constituents of basement membrane related laminins, while the γ3 chain was detected in skin, heart, lung, reproductive tract, brain, and in the retina. Unlike other laminins, the expression of the γ3 chain was localized to peripheral nerves and to the apical surface of ciliated epithelial cells and in the retina. To further investigate the function and the possible pathogenic role of laminin γ3 in human disease, we elucidated the structure of the corresponding LAMC3 gene which encodes this polypeptide. Here we report the genomic organization of the LAMC3 gene and a mutation detection strategy for use in genetic studies.
ISSN:0006-291X
1090-2104
DOI:10.1006/bbrc.2000.4086