Chromosomal translocations in benign tumors

The HMGI proteins

Research output: Contribution to journalArticle

85 Citations (Scopus)

Abstract

The high-mobility group (HMG) proteins are a family of nonhistone chromatin-associated proteins that have an important role in regulating chromatin architecture, as well as in regulating gene expression. The gene encoding one HMG protein, HMGI-C, is frequently rearranged or overexpressed by chromosomal translocations in common benign mesenchymal tumors including lipomas, leiomyomas, fibroadenomas, pleomorphic adenomas, aggressive angiomyxomas, and pulmonary hamartomas. The HMGI-C translocations involve many different translocation partners and are remarkable for their low risk of progression to malignancy. Recently, another member of this subfamily, HMGI(Y), has also been shown to be rearranged in lipomas and pulmonary chondroid hamartomas. Given the high frequency of these benign mesenchymal tumors, it is likely that translocations involving the HMGI subfamily are one of the most common chromosomal rearrangements in human neoplasia. The HMG proteins are reviewed with an emphasis on the HMGI subfamily, and the potential role of these proteins in human tumorigenesis is discussed.

Original languageEnglish (US)
Pages (from-to)251-261
Number of pages11
JournalAmerican Journal of Clinical Pathology
Volume109
Issue number3
StatePublished - Mar 1998
Externally publishedYes

Fingerprint

HMGA1a Protein
Genetic Translocation
High Mobility Group Proteins
Hamartoma
Lipoma
Chromatin
Neoplasms
Fibroadenoma
Pleomorphic Adenoma
Lung
Myxoma
Leiomyoma
Protein C
Carcinogenesis
Proteins
Gene Expression
Genes

Keywords

  • Chromosomal translocations
  • High-mobility group proteins
  • HMGI(Y)
  • HMGI- C
  • Solid tumor cytogenetics

ASJC Scopus subject areas

  • Pathology and Forensic Medicine

Cite this

Chromosomal translocations in benign tumors : The HMGI proteins. / Hess, Jay.

In: American Journal of Clinical Pathology, Vol. 109, No. 3, 03.1998, p. 251-261.

Research output: Contribution to journalArticle

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