PTPN11 is the first identified proto-oncogene that encodes a tyrosine phosphatase

Rebecca Chan, Gen Sheng Feng

Research output: Contribution to journalArticle

178 Citations (Scopus)

Abstract

Elucidation of the molecular mechanisms underlying carcinogenesis has benefited tremendously from the identification and characterization of oncogenes and tumor suppressor genes. One new advance in this field is the identification of PTPN11 as the first proto-oncogene that encodes a cytoplasmic tyrosine phosphatase with 2 Src-homology 2 (SH2) domains (Shp2). This tyrosine phosphatase was previously shown to play an essential role in normal hematopoiesis. More recently, somatic missense PTPN11 gain-of-function mutations have been detected in leukemias and rarely in solid tumors, and have been found to induce aberrant hyperactivation of the Ras-Erk pathway. This progress represents another milestone in the leukemia/cancer research field and provides a fresh view on the molecular mechanisms underlying cell transformation.

Original languageEnglish
Pages (from-to)862-867
Number of pages6
JournalBlood
Volume109
Issue number3
DOIs
StatePublished - Feb 1 2007

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Proto-Oncogenes
Phosphoric Monoester Hydrolases
Tyrosine
Tumors
Leukemia
src Homology Domains
Hematopoiesis
Tumor Suppressor Genes
Oncogenes
Neoplasms
Carcinogenesis
Genes
Mutation
Research

ASJC Scopus subject areas

  • Hematology

Cite this

PTPN11 is the first identified proto-oncogene that encodes a tyrosine phosphatase. / Chan, Rebecca; Feng, Gen Sheng.

In: Blood, Vol. 109, No. 3, 01.02.2007, p. 862-867.

Research output: Contribution to journalArticle

Chan, Rebecca ; Feng, Gen Sheng. / PTPN11 is the first identified proto-oncogene that encodes a tyrosine phosphatase. In: Blood. 2007 ; Vol. 109, No. 3. pp. 862-867.
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