Isolation and mapping of polymorphic cosmid clones used for sublocalization of the multiple endocrine neoplasia type 1 (MEN1) locus

Catharina Larsson, Günther Weber, Eva Kvanta, Kathy Lewis, Marie Janson, Carol Jones, Thomas M Glaser, Glen Evans, Magnus Nordenskjöld

Research output: Contribution to journalArticle

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Abstract

Multiple endocrine neoplasia type 1 (MEN1) is characterized by neoplasia of the parathyroids, the pancreas, and the pituitary. Tumorigenesis involves unmasking of a recessive mutation at the MEN1 locus, which has been mapped to the centromeric part of chromosomal region 11q. In order to localize the MEN1 gene further and to make its isolation possible, a number of new markers were isolated. Two radiation-reduced somatic cell hybrids were identified that only contained markers close to and flanking the MEN1 region. DNA from these hybrids was used for the construction of a cosmid library, and clones containing human inserts were isolated. In addition, cosmid clones were isolated for locus expansion of 7 other markers that were mapped to the 11q12-13.2 region. The 33 newly isolated clones together with 25 previously published markers from this region were analyzed in a panel of radiation-reduced somatic cell hybrids. From the hybridization pattern, the region was divided into 11 parts. New restriction fragment length polymorphisms were identified in 7 of the newly isolated cosmid clones and in one plasmid. These were then used to sublocalize meiotic cross-overs more precisely in two MEN1 families, thus refining the mapping of the disease gene.

Original languageEnglish (US)
Pages (from-to)187-193
Number of pages7
JournalHuman Genetics
Volume89
Issue number2
DOIs
StatePublished - May 1992
Externally publishedYes

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Multiple Endocrine Neoplasia Type 1
Cosmids
Clone Cells
Hybrid Cells
Radiation
Chromosome Mapping
Restriction Fragment Length Polymorphisms
Pancreas
Carcinogenesis
Plasmids
Mutation
DNA
Genes
Neoplasms

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics

Cite this

Larsson, C., Weber, G., Kvanta, E., Lewis, K., Janson, M., Jones, C., ... Nordenskjöld, M. (1992). Isolation and mapping of polymorphic cosmid clones used for sublocalization of the multiple endocrine neoplasia type 1 (MEN1) locus. Human Genetics, 89(2), 187-193. https://doi.org/10.1007/BF00217121

Isolation and mapping of polymorphic cosmid clones used for sublocalization of the multiple endocrine neoplasia type 1 (MEN1) locus. / Larsson, Catharina; Weber, Günther; Kvanta, Eva; Lewis, Kathy; Janson, Marie; Jones, Carol; Glaser, Thomas M; Evans, Glen; Nordenskjöld, Magnus.

In: Human Genetics, Vol. 89, No. 2, 05.1992, p. 187-193.

Research output: Contribution to journalArticle

Larsson, C, Weber, G, Kvanta, E, Lewis, K, Janson, M, Jones, C, Glaser, TM, Evans, G & Nordenskjöld, M 1992, 'Isolation and mapping of polymorphic cosmid clones used for sublocalization of the multiple endocrine neoplasia type 1 (MEN1) locus', Human Genetics, vol. 89, no. 2, pp. 187-193. https://doi.org/10.1007/BF00217121
Larsson, Catharina ; Weber, Günther ; Kvanta, Eva ; Lewis, Kathy ; Janson, Marie ; Jones, Carol ; Glaser, Thomas M ; Evans, Glen ; Nordenskjöld, Magnus. / Isolation and mapping of polymorphic cosmid clones used for sublocalization of the multiple endocrine neoplasia type 1 (MEN1) locus. In: Human Genetics. 1992 ; Vol. 89, No. 2. pp. 187-193.
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