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The well described fall in EGF receptor numbers after partial hepatectomy was confirmed.
This protein is a ligand for the EGF receptor.
The EGF receptor is a product of the erb-B oncogene.
Ligand binding to the EGF receptor therefore seems to be integrally associated with liver cell proliferation.
Src is activated by the EGF receptor family ligand Neuregulin.
Heterodimerization and functional interaction between EGF receptor family members: a new signaling paradigm with implications for breast cancer research.
In Drosophila this provides a mechanism for regulating EGF receptor activity in the brain.
This in turn dephosphorylates the EGF receptor, which is a member of the tyrosine kinase receptor family.
In cell culture, it has been used to study EGF receptor signaling and ErbB1 receptor trafficking.
Rhomboids were first discovered as proteases that regulate EGF receptor signalling in Drosophila.
A substantial body of evidence implicates events at the EGF receptor as the start of hepatocyte proliferation after partial hepatectomy.
SOS1 binds GBR2 at the plasma membrane after EGF receptor activation.
It is closely related to EGF, and can also bind to the EGF receptor with similar effects.
Helicobacter pylori-stimulated EGF receptor transactivation requires metalloprotease cleavage of HB-EGF.
These cell lines can also produce the alternate agonist of the EGF receptor, transforming growth factor α (TGF α).
Membrane phosphorylation studies, however, showed that TAGH induced phosphorylation of tyrosine residues in the EGF receptor.
These findings suggest TAGH infusion leads to a similar process of EGF receptor phosphorylation and internalisation as occurs after partial hepatectomy.
When cleaved from laminin this protein is powerfully mitogenic and may explain the growth promoting properties that laminin has been shown to have cells expressing EGF receptors.
On the other hand, EGF and the EGF receptor have a pH-resistant bond that persists until it is delivered to lysosomes for their degradation.
Based on this work imatinib was developed against chronic myelogenous leukemia (CML) and later gefitinib and erlotinib aiming at the EGF receptor.
Mature HB-EGF released from the cell surface is mitogenic and is able to bind to the EGF receptor [ 3 ] .
Moreover we, and others, have also shown that the density of EGF receptors is maximal in the basal layer of the squamous oesophagus, which is the proliferative zone.
The in vivo action of TAGH seems to entail recruitment of similar changes in the EGF receptor to those that occur after partial hepatectomy.
HB-EGF binding and activation of EGF receptors plays a critical role during cardiac valve tissue development and the maintenance of normal heart function in adults.
Such efforts have been successful at reducing EGF receptor expression, its downstream signaling, and consequently malignant behavior of the cancer cell such as migration, invasion, and cell detachment.