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Diabetes Res Clin Pract. 1994 Oct;24 Suppl:S261-8.

Serum 1,5-anhydroglucitol (1,5 AG): new clinical marker for glycemic control.

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1
Second Department of Internal Medicine, University of Teikyo, Tokyo, Japan.

Abstract

We review the use of 1,5-anhydroglucitol (1,5 AG) in diagnosing and monitoring patients with diabetes. This six-carbon chain monosaccharide is one of the major polyols present in humans. Its concentration in serum is normally about 12 to 40 micrograms/ml. This substance is derived mainly from food, is well absorbed in the intestine, and is distributed to all organs and tissues. It is metabolically stable, being excreted in the urine when its level exceeds the renal threshold. It is reabsorbed in the renal tubules, and is competitively inhibited by glucosuria, which leads to a reduction in its level in serum. The correlation between this reduction and the amount of glucose present in urine is so close that 1,5 AG can be used as a sensitive, day-to-day, real-time marker of glycemic control. It provides useful information on current glycemic control and is superior to both HbA1c and fructosamine in detecting near-normoglycemia.

PMID:
7859616
[Indexed for MEDLINE]

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