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Article
Open AccessFounder effect in the Horn of Africa for an insulin receptor mutation that may impair receptor recycling
Genetic insulin receptoropathies are a rare cause of severe insulin resistance. We identified the Ile119Met missense mutation in the insulin receptor INSR gene, previously reported in a Yemeni kindred, in four un...
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Article
Is there a human model for the ‘metabolic syndrome’ with a defined aetiology?
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Article
Efficacy of leptin therapy in the different forms of human lipodystrophy
Lipodystrophy is a rare disorder characterised by loss of adipose tissue, hypoleptinaemia, severe insulin resistance, diabetes and dyslipidaemia. The aims of this study were to determine whether leptin replace...
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Chapter
Internalization of polypeptide hormones and receptor recycling
The insulin receptor is an integral plasma membrane glycoprotein of most cells. It consists of 2 subunits linked by disulfide bonds; the alpha and beta subunits of the receptor are synthesized by way of a sing...
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Article
Internalization of polypeptide hormones and receptor recycling
The insulin receptor is an integral protein of the plasma membrane of the cell. It is composed of two subunits: an α subunit, which binds the hormone, and a β subunit which is a tyrosine specific protein kinas...
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Article
Relationship of binding to internalization of125I-insulin in isolated rat hepatocytes
By quantitative electron microscopic autoradiographic technique, we have previously shown that125I-insulin initially localizes to the plasma membrane of isolated rat hepatocytes and is subsequently internalized i...
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Article
125I-Insulin is preferentially internalized in regions of the hepatocytes rich in lysosomal and Golgi structures
125I-Insulin initially localizes to the plasma membrane of isolated rat hepatocytes but is subsequently internalized and preferentially associates with lysosomal structures. In the present study, we show that th...
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Article
Anti-insulin receptor antibodies inhibit insulin binding and stimulate glucose metabolism in skeletal muscle
Autoantibodies against the insulin receptor are found in the serum of some patients with severe insulin resistance. The effects of one of these sera on insulin binding and on glucose transport and metabolism w...
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Article
Circulating proinsulin-like component in man: Increased proportion in hypoinsulinemic states
The proportion of total plasma immunoreactive insulin comprising the proinsulin-like component was determined in 5 diabetic subjects manifesting fasting hyperglycemia, severe glucose intolerance, and insulinop...