Article
The IGF-I receptor sub-membrane domain is intact in GH-secreting pituitary tumours.
Clinical endocrinology - 1 Feb 1995
Greenman Y, Prager D, Melmed S
Abstract excerpt
BACKGROUND AND OBJECTIVE: Clinical acromegaly is characterized by dysregulation of somatotroph GH secretion in the presence of high circulating serum IGF-I levels. Physiologically, IGF-I exerts a negative feedback on GH secretion at both the hypothalamic and the pituitary levels. We have previously shown that the 943 and 950 tyrosine residues in the IGF-I receptor beta-subunit are required for ligand signalling...
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