A novel germline mutation in exon 5 of the multiple endocrine neoplasia type 1 gene

Ana Chico, Luis Gallart, Eugenia Mato, Carmen Mayoral, Jesus M. Martin-Campos, Lluís Catasús, Jose Rodriguez-Espinosa, Xavier Matías-Guiu, Francisco Blanco-Vaca, Alberto De Leiva

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8 Citations (Scopus)


The autosomal dominant multiple endocrine neoplasia type 1 (MEN1) syndrome is characterized by neoplasia of parathyroids, anterior pituitary, and gastrointestinal and pancreatic neuroendocrine tissues. Recently the gene responsible for the MEN1 syndrome has been identified on chromosome region 11q13. Most of the described mutations are nucleotide substitutions and small deletions affecting exons 2 and 3, causing protein truncation. Only one mutation in exon 5 has been found, and this corresponds to a MEN1 sporadic case. Small insertions are also rare. We studied a MEN1 family composed of five members, two of whom were clinically affected. We found a new germline 1 basepair insertional mutation affecting the exon 5 of the MEN1 gene in the two members affected in this MEN1 family.
Original languageEnglish
Pages (from-to)837-839
JournalJournal of Molecular Medicine
Issue number12
Publication statusPublished - 1 Jan 1998


  • Direct genetic analysis
  • Familial cancer
  • Germline mutations
  • Hyperparathyroidism
  • Molecular diagnosis
  • Multiple endocrine neoplasia type 1


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