A Simple and Rapid Quantitative Method of Detection of the Common Achondroplasia Mutation: Analysis in Mismatch Repair Deficient Cells

A Simple and Rapid Quantitative Method of Detection of the Common Achondroplasia Mutation:... Achondroplasia is the most common form of dwarfism and has an incidence of approximately 1/7500. In more than 97% of cases, it is caused by a recurrent point mutation, a G to A substitution at nucleotide position 1138 (G1138A) of the fibroblast growth factor receptor 3 gene. Although this is an autosomal dominant condition, more than 90% of all mutations occur sporadically making this one of the most mutagenic sites in the human genome. The reasons for the high spontaneous G1138A mutation rate are not known. This investigation was performed by developing a simple and rapid semi-quantitative allele specific PCR based assay capable of reliably detecting more than 25 mutant G1138A copies in a pool of 300 000 wild type molecules. Using this assay, the G1138A mutation frequency was measured in cell lines deficient in mismatch repair (LoVo, SW48) and comparing it with controls. No differences were found in the frequency of this point mutation between the mismatch repair deficient and wild type cell lines. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Genetics Springer Journals

A Simple and Rapid Quantitative Method of Detection of the Common Achondroplasia Mutation: Analysis in Mismatch Repair Deficient Cells

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Publisher
Nauka/Interperiodica
Copyright
Copyright © 2005 by MAIK “Nauka/Interperiodica”
Subject
Biomedicine; Microbial Genetics and Genomics; Animal Genetics and Genomics; Human Genetics
ISSN
1022-7954
eISSN
1608-3369
D.O.I.
10.1007/s11177-005-0183-9
Publisher site
See Article on Publisher Site

Abstract

Achondroplasia is the most common form of dwarfism and has an incidence of approximately 1/7500. In more than 97% of cases, it is caused by a recurrent point mutation, a G to A substitution at nucleotide position 1138 (G1138A) of the fibroblast growth factor receptor 3 gene. Although this is an autosomal dominant condition, more than 90% of all mutations occur sporadically making this one of the most mutagenic sites in the human genome. The reasons for the high spontaneous G1138A mutation rate are not known. This investigation was performed by developing a simple and rapid semi-quantitative allele specific PCR based assay capable of reliably detecting more than 25 mutant G1138A copies in a pool of 300 000 wild type molecules. Using this assay, the G1138A mutation frequency was measured in cell lines deficient in mismatch repair (LoVo, SW48) and comparing it with controls. No differences were found in the frequency of this point mutation between the mismatch repair deficient and wild type cell lines.

Journal

Russian Journal of GeneticsSpringer Journals

Published: Sep 14, 2005

References

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