Abstract:
:A radioreceptor-assay for glucagon was developed employing pig liver plasma membranes isolated by means of an aqueous two-phase polymer system. The assay is simple, precise, and has a detection limit of 40 pg/ml. Acid-ethanol extracts of porcine intestinal mucosa and entero-glucagon purified by affinity chromatography interfered strongly with the binding of 125I-labelled glucagon. The affinity of enteroglucagon for the membranes was lower than that of glucagon, but even physiological concentrations of the former interfere with glucagon binding, indicating that enteroglucagon may compete with pancreatic glucagon for binding to the hepatocyte under physiological conditions.
journal_name
Diabetologiajournal_title
Diabetologiaauthors
Holst JJdoi
10.1007/BF00422324subject
Has Abstractpub_date
1975-06-01 00:00:00pages
211-9issue
3eissn
0012-186Xissn
1432-0428journal_volume
11pub_type
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