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Cited by 271

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The Natural Course of β-Cell Function in Nondiabetic and Diabetic Individuals

Festa, Andreas, Williams, Ken, D’Agostino, Ralph, Wagenknecht, Lynne E., Haffner, Steven M.·2006·Diabetes

Abstract

Data from the UKPDS (U.K. Prospective Diabetes Study) indicate a continuous decline in β-cell function in patients with type 2 diabetes. We studied longitudinal changes in β-cell function (follow-up of 5.2 years) in subjects with normal glucose tolerance (NGT), impaired glucose tolerance (IGT), and type 2 diabetes, using acute insulin response (AIR) and insulin sensitivity index (Si) from a frequently sampled intravenous glucose tolerance test among African-American, Hispanic, and non-Hispanic white subjects aged 40–69 years. At baseline, decreasing levels of both Si and AIR (either unadjusted or adjusted for Si) mirrored deteriorating glucose tolerance status at baseline and at follow-up. A different pattern was found with respect to longitudinal changes; Si declined in each glucose tolerance category, ranging from −0.81 ×10−4 min−1 · μU−1 · ml−1 in NGT at baseline and NGT at follow-up (NGT/NGT) to −1.06 ×10−4 in NGT/diabetes, whereas the directional change in AIR principally determined the glucose tolerance status at follow-up. In NGT/NGT Si decreased by 35% and AIR increased by 34%. Results were similar in each of the three ethnic groups. These data shed light on the natural course of β-cell function; over 5.2 years, mean insulin sensitivity declined in each glucose tolerance category. The change in AIR, however, principally determined glucose tolerance status at follow-up; NGT was maintained by a compensatory increase in insulin secretion. Failure to increase insulin secretion led to IGT, and a decrease in insulin secretion led to overt diabetes. This data may have important implications for the prevention and treatment of type 2 diabetes.

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Metadata

Authors
Festa, A., Williams, K., D’Agostino, R., Wagenknecht, L. E., & Haffner, S. M.
Venue
Diabetes
Published
2006-04-01
Volume
55
Issue
4
Pages
1114-1120
ISSN
  • 0012-1797 (ISSN-L)
  • 1939-327X
OpenAlex
W2114549698
Cited by
271
References
11
FWCI
22.13
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: The Natural Course of β-Cell Function in Nondiabetic and Diabetic Individuals. https://app.cochat.ai/papers/10.2337/diabetes.55.04.06.db05-1100
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Festa, A., Williams, K., D’Agostino, R., Wagenknecht, L. E., & Haffner, S. M. (2006). The Natural Course of β-Cell Function in Nondiabetic and Diabetic Individuals. Diabetes. https://doi.org/10.2337/diabetes.55.04.06.db05-1100

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