Abstract
A common germline missense mutation within the APC gene, I1307K, has recently been described in Ashkenazi Jews. We detected this polymorphism in two non-Ashkenazi Jewish women using denaturing gradient gel electrophoresis (DGGE), and hypothesized that in Jewish individuals it might not be restricted to Ashkenazim, and actually reflect a common ancestral polymorphism. To test this notion we performed allelic pattern determination using APC-linked markers in these two women and in nine Ashkenazi carrier controls. The pattern of the intragenic markers, as well as a single downstream marker 30–70 Kb from the APC gene was identical in all individuals, regardless of ethnic origin. We conclude that the I1307K polymorphism in Jewish individuals, is not restricted to Ashkenazim and probably reflects a founder mutation.
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Patael, Y., Figer, A., Gershoni-Baruch, R. et al. Common origin of the I1307K APC polymorphism in Ashkenazi and non-Ashkenazi Jews. Eur J Hum Genet 7, 555–559 (1999). https://doi.org/10.1038/sj.ejhg.5200325
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DOI: https://doi.org/10.1038/sj.ejhg.5200325
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