SHP-2 Regulates Growth Factor Dependent Vascular Signalling and Function

ISSN: 1875-5607 (Online)
ISSN: 1389-5575 (Print)

Volume 17, 18 Issues, 2017

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Mini-Reviews in Medicinal Chemistry

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SHP-2 Regulates Growth Factor Dependent Vascular Signalling and Function

Mini-Reviews in Medicinal Chemistry, 14(6): 471-483.

Author(s): Hanna Mannell and Florian Krotz.

Affiliation: Invasive Cardiology, Clinic Starnberg, Oßwaldstr. 1, 82319 Munich, Germany.


Cellular responses to the environment are mediated by intracellular signalling pathways monitoring several essential cellular processes, such as proliferation, migration, differentiation and survival. Cellular dysfunction is caused by dysregulation of intracelleular signalling pathways and may ultimately result in pathophysiological conditions. The non- transmembrane protein tyrosine phosphatase SHP-2 has been shown to be important for the control of cellular behaviour. It influences the activity of several growth factor and cytokine dependent signalling pathways by association with growth factor receptors, cell surface adhesion molecules and adaptor molecules such as Gab-1, Grb2 and IRS-1. Upon FGF-2, EGF and insulin stimulation SHP-2 regulates MAPK pathway activation. In addition, SHP-2 is involved in the regulation of cell survival by influencing the PI3-K/Akt pathway upon EGF, IGF and PDGF stimulation. Due to these properties, SHP-2 function has recently gained more interest in vascular processes, such as in the differentiation of cardiac progenitor cells and angiogenic events. Indeed, SHP-2 was shown to positively regulate endothelial cell motility and angiogenesis in vitro and in vivo as well as controlling intracellular pH of endothelial and vascular smooth muscle cells. On the other hand, SHP-2 was also demonstrated to be responsible for down regulation of VEGF receptor 2 activation upon dopamin and collagen stimulation. Finally, mutations in the Ptpn11 gene (encoding SHP-2) underlie the developmental disorders Noonan syndrome and Leopard syndrome characterized by congenital heart disease and hematologic abnormalities. Different mutations in this gene also result in myeloid and lymphoid malignancies. This article summarizes the role of SHP-2 in signalling pathways relevant for vascular biology and associated disorders.


SHP-2, protein tyrosine phosphatase, Ptpn11, Noonans syndrome, PI3-K, MAPK, tyrosine phosphorylation, PTP, N-SH2, endothelial cells.

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Article Details

Volume: 14
Issue Number: 6
First Page: 471
Last Page: 483
Page Count: 13
DOI: 10.2174/1389557514999140506094738
Price: $58

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