Linkage Analyses of Multiple Endocrine Neoplasia, Type 2 (MEN-2) with 23 Classical Genetic Polymorphisms

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Abstract
Linkage analyses were performed in a single large family with multiple endocrine neoplasia, type 2 (MEN-2) between 23 classical genetic polymorphisms and MEN-2. We exclude close linkage of the locus for MEN-2 with ABO, ACPI, BF, ESD, Fy, GALT, GLO1, Jk, MNSs, P, PGM1, Rh and TF, as well as absolute linkage with GPT. These results raise to about 6% the proportion of the genome that has been excluded in this one family. Somewhat positive lod scores were obtained for GC (0.92 at Θ = 0), GPT (0.73 at Θ = 0.1) and HP (1.49 at Θ = 0.05); although not statistically significant, these findings suggest regions of the genome that warrant additional study.