期刊
LIFE SCIENCES
卷 69, 期 16, 页码 1947-1955出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/S0024-3205(01)01284-X
关键词
S(-)-hydroxyhexamide; R(+)-hydroxyhexamide; hypoglycemic effect; insulin secretion
A short-lasting hypoglycemic effect was observed when S(-)-hydroxyhexamide (S-HH), a major metabolite of acetohexarnide, and its enantiomer R(+)-hydroxyhexamide (R-HH), were administered orally to rats. Since the reductive metabolism of acetohexamide is known to be reversible in rats, oral administration of R-HH may exhibit the hypoglycemic effect through the generation of acetohexamide. However, oral administration of R-HH to rabbits, in spite of their inability to oxidize R-HH to acetohexamide, caused a significant decrease and increase, respectively, of plasma glucose and insulin levels. Furthermore, both S-HH and R-HH were found to stimulate the secretion of insulin from hamster HIT T15 cells (pancreatic beta -cells). These results provide further evidence that both R-HH and S-HH exhibit a significant hypoglycemic effect. (C) 2001 Elsevier Science Inc. All rights reserved.
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