Title : Gangliosides influence EGFR/ErbB2 heterodimer stability but they do not modify EGF-dependent ErbB2 phosphorylation.

Pub. Date : 2010 Jun

PMID : 20156584






3 Functional Relationships(s)
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1 Gangliosides influence EGFR/ErbB2 heterodimer stability but they do not modify EGF-dependent ErbB2 phosphorylation. Gangliosides epidermal growth factor Homo sapiens
2 Results from co-immunoprecipitation and Western blot experiments have shown that the endogenous ganglioside depletion resulted in the disappearance of SDS-stable EGFR/ErbB2 heterodimers and in the appearance of tyrosine-phosphorylated EGFR also in the absence of EGF stimulation; exogenous GM(3) added in combination with [D]-PDMP reversed both these effects. Gangliosides epidermal growth factor Homo sapiens
3 In contrast, the tyrosine phosphorylation of ErbB2 in ganglioside-depleted cells occurred only after EGF stimulation. Gangliosides epidermal growth factor Homo sapiens