Linkage of the multiple endocrine neoplasia type 2B gene (MEN2B) to chromosome 10 markers linked to MEN2A. 1990

R A Norum, and R G Lafreniere, and L W O'Neal, and T F Nikolai, and J P Delaney, and J C Sisson, and H Sobol, and G M Lenoir, and B A Ponder, and H F Willard
Department of Medicine, Henry Ford Hospital, Detroit, Michigan 48202.

The syndrome of multiple endocrine neoplasia type 2B (MEN 2B) resembles that of MEN 2A in that both include medullary carcinoma of the thyroid, pheochromocytoma, and autosomal dominant inheritance, but is distinct in that MEN 2B patients have neuromas of the mucous membranes. MEN2A has been linked to RBP3, D10S5, FNRB, D10S15, and D10Z1 near the centromere of chromosome 10. We examined linkage between MEN2B and RFLPs on chromosome 10 in all available members in two or three generations of 14 kindreds. The centromere marker D10Z1 was linked to MEN2B with a peak lod score of 5.42 at theta = 0.02. One possible recombinant was observed between D10Z1 and MEN2B. Multipoint analysis of RFLPs at FNRB, D10Z1, RBP3, and D10S15 gave a peak lod score of 7.12 at the midpoint between D10Z1 and RBP3 on the long arm (band q11). The most likely gene order FNRB-D10Z1-MEN2B was 27 times more likely than MEN2B-FNRB-D10Z1 and 31/2 times more likely than FNRB-MEN2B-D10Z1. Additional data will be required to establish the order of these loci with confidence.

UI MeSH Term Description Entries
D008126 Lod Score The total relative probability, expressed on a logarithmic scale, that a linkage relationship exists among selected loci. Lod is an acronym for "logarithmic odds." Lod Scores,Score, Lod,Scores, Lod
D008297 Male Males
D009377 Multiple Endocrine Neoplasia A group of autosomal dominant diseases characterized by the combined occurrence of tumors involving two or more ENDOCRINE GLANDS that secrete PEPTIDE HORMONES or AMINES. These neoplasias are often benign but can be malignant. They are classified by the endocrine glands involved and the degree of aggressiveness. The two major forms are MEN1 and MEN2 with gene mutations on CHROMOSOME 11 and CHROMOSOME 10, respectively. Adenomatosis, Familial Endocrine,Endocrine Neoplasia, Multiple,Multiple Endocrine Neoplasia Syndrome,Neoplasia, Multiple Endocrine,Neoplasms, Multiple Endocrine,Adenomatosis, Multiple Endocrine,Familial Endocrine Adenomatosis,Multiple Endocrine Adenomatosis,Multiple Endocrine Adenopathy,Multiple Endocrine Neoplasia Syndromes,Multiple Endocrine Neoplasms,Adenomatoses, Familial Endocrine,Adenomatoses, Multiple Endocrine,Adenopathies, Multiple Endocrine,Adenopathy, Multiple Endocrine,Endocrine Adenomatoses, Familial,Endocrine Adenomatoses, Multiple,Endocrine Adenomatosis, Familial,Endocrine Adenomatosis, Multiple,Endocrine Adenopathies, Multiple,Endocrine Adenopathy, Multiple,Endocrine Neoplasms, Multiple,Familial Endocrine Adenomatoses,Multiple Endocrine Adenomatoses,Multiple Endocrine Adenopathies
D010375 Pedigree The record of descent or ancestry, particularly of a particular condition or trait, indicating individual family members, their relationships, and their status with respect to the trait or condition. Family Tree,Genealogical Tree,Genealogic Tree,Genetic Identity,Identity, Genetic,Family Trees,Genealogic Trees,Genealogical Trees,Genetic Identities,Identities, Genetic,Tree, Family,Tree, Genealogic,Tree, Genealogical,Trees, Family,Trees, Genealogic,Trees, Genealogical
D012150 Polymorphism, Restriction Fragment Length Variation occurring within a species in the presence or length of DNA fragment generated by a specific endonuclease at a specific site in the genome. Such variations are generated by mutations that create or abolish recognition sites for these enzymes or change the length of the fragment. RFLP,Restriction Fragment Length Polymorphism,RFLPs,Restriction Fragment Length Polymorphisms
D002879 Chromosomes, Human, Pair 10 A specific pair of GROUP C CHROMOSOMES of the human chromosome classification. Chromosome 10
D005260 Female Females
D005819 Genetic Markers A phenotypically recognizable genetic trait which can be used to identify a genetic locus, a linkage group, or a recombination event. Chromosome Markers,DNA Markers,Markers, DNA,Markers, Genetic,Genetic Marker,Marker, Genetic,Chromosome Marker,DNA Marker,Marker, Chromosome,Marker, DNA,Markers, Chromosome
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man

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