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Interaction Between Insulin Receptors and Major Histocompatibility Complex Antigens in Mouse Liver Membranes

Overview
Journal Diabetologia
Specialty Endocrinology
Date 1984 Jul 1
PMID 6479491
Citations 3
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Abstract

Insulin receptors from H-2k mouse liver membranes were specifically labelled using a photoreactive insulin analogue coupled to the alpha-subunit (Mr 130,000) of the receptor by ultraviolet-irradiation. Up to 25% of the labelled insulin receptors recovered after membrane solubilization and precipitable by anti-insulin receptor antibodies could be immunoprecipitated by various monoclonal antibodies reacting with H-2Kk antigens. None of these monoclonal antibodies inhibited insulin binding to its receptor. These results show that insulin receptors and H-2Kk antigens interact in liver plasma membranes to form non-covalent complexes. This association between insulin receptors and major histocompatibility complex antigens could be involved in the pathogenesis of certain forms of insulin resistance.

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Molecular association between major histocompatibility complex class I antigens and insulin receptors in mouse liver membranes.

Fehlmann M, Peyron J, Samson M, Van Obberghen E, BRANDENBURG D, Brossette N Proc Natl Acad Sci U S A. 1985; 82(24):8634-7.

PMID: 3866245 PMC: 391490. DOI: 10.1073/pnas.82.24.8634.


The structure of the hepatic insulin receptor and insulin binding.

Haynes F, Helmerhorst E, Yip C Biochem J. 1986; 239(1):127-33.

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Photoaffinity labelling of hepatic plasma membranes suggests two classes of hepatic insulin receptor.

Haynes F, Yip C Diabetologia. 1985; 28(10):786-92.

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