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Infusion of pH 2.0 D-chiro-inositol glycan insulin putative mediator normalizes plasma glucose in streptozotocin diabetic rats at a dose equivalent to insulin without inducing hypoglycaemia.

Abstract：

:We compared the effects of infusing a chemically defined chiro-inositol glycan putative insulin mediator with an equivalent dose of insulin in low-dose (45 mg/kg) streptozotocin diabetic rats. Insulin decreased plasma glucose levels from 17.32 +/- 0.17 to 3.96 +/- 0.064 mmol/l (p < 0.0002) in 120 min, a decrease of 77.13%, while the putative mediator promoted a decrease in plasma glucose from 14.85 +/- 0.084 to 7.22 +/- 0.13 mmol/l (p < 0.007) in 60 min. The putative mediator maintained euglycaemia over the ensuing 60 min with a plasma glucose level of 7.01 +/- 0.10 mmol/l at 120 min. Thus, insulin further reduced the plasma glucose from euglycaemia at 60 min to produce hypoglycaemia at 120 min. The lack of production of hypoglycaemia by the putative mediator can be explained by its inhibition of glucose-stimulated insulin secretion by the islet beta cells, thus providing a potential negative feedback regulatory mechanism; or by its selective action on muscle to increase glycogen synthesis. The significance of these results in terms of future directions in drug design is herein considered.

journal_name

Diabetologia

journal_title

Diabetologia

authors

Fonteles MC,Huang LC,Larner J

doi

10.1007/BF00418546

subject

Has Abstract

pub_date

1996-06-01 00:00:00

pages

731-4

issue

6

eissn

0012-186X

issn

1432-0428

journal_volume

39

pub_type

杂志文章

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