Characterization of pancreatic b-cell receptors binding sulfanilamides under conditions of experimental diabetes mellitus
https://doi.org/10.14341/probl12090
Abstract
The receptor properties of pancreatic b-cells functionally attenuated under the effect of streptozotocin during therapy with sulfanilamides widely used in diabetes mellitus (glibenclamide, glipizide, and gliclazide) were studied. These drugs were shown to be characterized by the high capacity to specifically bind to receptors, which virtually do not differ from those of intact b-cells. The receptors were characterized by two parameters: the number of binding sites and dissociation constant. Glibenclamide has demonstrated high binding capacity. The binding of these agents was reversible. The authors do not identify the studied receptors of sulfanilamides with the K+-ATP channels which are also known as the active conductors of the information carried by sulfanilamides in the mechanism of insulin secretion.
About the Authors
V. N. Babichev
Endocrinology Research Centre
Russian Federation
Russian Federation
I. P. Savelyeva
Endocrinology Research Centre
Russian Federation
Russian Federation
M. I. Balabolkin
Endocrinology Research Centre
Russian Federation
Russian Federation
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Review
For citations:
Babichev V.N., Savelyeva I.P., Balabolkin M.I. Characterization of pancreatic b-cell receptors binding sulfanilamides under conditions of experimental diabetes mellitus. Problems of Endocrinology. 1996;42(5):37-39. (In Russ.) https://doi.org/10.14341/probl12090
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