The RASopathies: developmental syndromes of Ras/MAPK pathway dysregulation

William E. Tidyman, Katherine A Rauen

Research output: Contribution to journalReview article

429 Citations (Scopus)

Abstract

The Ras/mitogen activated protein kinase (MAPK) pathway is essential in the regulation of the cell cycle, differentiation, growth and cell senescence, all of which are critical to normal development. It is therefore not surprising that its dysregulation has profound effects on development. A class of developmental syndromes, the 'RASopathies', is caused by germline mutations in genes that encode protein components of the Ras/MAPK pathway. The vast majority of these mutations result in increased signal transduction down the Ras/MAPK pathway, but usually to a lesser extent than somatic mutations associated with oncogenesis. Each syndrome exhibits unique phenotypic features, however, since they all cause dysregulation of the Ras/MAPK pathway, there are numerous overlapping phenotypic features between the syndromes, including characteristic facial features, cardiac defects, cutaneous abnormalities, neurocognitive delay and a predisposition to malignancies. Here we review the clinical and underlying molecular basis for each of these syndromes.

Original languageEnglish (US)
Pages (from-to)230-236
Number of pages7
JournalCurrent Opinion in Genetics and Development
Volume19
Issue number3
DOIs
StatePublished - Jun 2009
Externally publishedYes

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Mitogen-Activated Protein Kinases
Skin Abnormalities
Mutation
Germ-Line Mutation
Cell Aging
Cell Differentiation
Signal Transduction
Cell Cycle
Carcinogenesis
Growth
Neoplasms
Proteins

ASJC Scopus subject areas

  • Genetics
  • Developmental Biology

Cite this

The RASopathies : developmental syndromes of Ras/MAPK pathway dysregulation. / Tidyman, William E.; Rauen, Katherine A.

In: Current Opinion in Genetics and Development, Vol. 19, No. 3, 06.2009, p. 230-236.

Research output: Contribution to journalReview article

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