The metabolic responses induced by acute dexamethasone predict glucose tolerance and insulin secretion over 10years in relatives of type 2 diabetic subjects

Background This study aimed to compare the metabolic and insulin secretory responses to dexamethasone with the metabolic responses observed at 10years in normoglycaemic relatives of type 2 diabetic and healthy control subjects. Methods Twenty relatives and 20 matched control subjects were studied tw...

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Veröffentlicht in:Diabetes/metabolism research and reviews 2013-09, Vol.29 (6), p.492
Hauptverfasser: Durck, Tina Trier, Henriksen, Jan Erik, Egede, Mette Brogaard, Levin, Klaus, Rantzau, Christian, Ward, Glenn, Beck-Nielsen, Henning, Alford, Frank P
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container_issue 6
container_start_page 492
container_title Diabetes/metabolism research and reviews
container_volume 29
creator Durck, Tina Trier
Henriksen, Jan Erik
Egede, Mette Brogaard
Levin, Klaus
Rantzau, Christian
Ward, Glenn
Beck-Nielsen, Henning
Alford, Frank P
description Background This study aimed to compare the metabolic and insulin secretory responses to dexamethasone with the metabolic responses observed at 10years in normoglycaemic relatives of type 2 diabetic and healthy control subjects. Methods Twenty relatives and 20 matched control subjects were studied twice at 0year (pre- and post-dexamethasone) and at 10years, employing a 75-g oral glucose tolerance test (OGTT), with serial measurements of glucose and insulin, for determination of glucose tolerance and calculations of acute insulin release ([Delta]I30/[Delta]G30; insulinogenic index) and insulin sensitivity (SIHOMA). Results Following dexamethasone, the relatives group developed varying degrees of glucose intolerance, associated with reduced insulin sensitivity and insulinogenic index. By 10years, fasting glucose and 2-h OGTT glucose were raised in the relatives group, especially in the relatives most metabolically affected by dexamethasone, including a reduced insulinogenic index. Multiple regression analysis of the data in relatives demonstrated that the 2-h OGTT glucose and fasting glucose values at 10years depended on the 0-year post-dexamethasone 2-h OGTT glucose, post-dexamethasone fasting glucose and post-dexamethasone insulin sensitivity, r2adj=56% (p
doi_str_mv 10.1002/dmrr.2418
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Methods Twenty relatives and 20 matched control subjects were studied twice at 0year (pre- and post-dexamethasone) and at 10years, employing a 75-g oral glucose tolerance test (OGTT), with serial measurements of glucose and insulin, for determination of glucose tolerance and calculations of acute insulin release ([Delta]I30/[Delta]G30; insulinogenic index) and insulin sensitivity (SIHOMA). Results Following dexamethasone, the relatives group developed varying degrees of glucose intolerance, associated with reduced insulin sensitivity and insulinogenic index. By 10years, fasting glucose and 2-h OGTT glucose were raised in the relatives group, especially in the relatives most metabolically affected by dexamethasone, including a reduced insulinogenic index. Multiple regression analysis of the data in relatives demonstrated that the 2-h OGTT glucose and fasting glucose values at 10years depended on the 0-year post-dexamethasone 2-h OGTT glucose, post-dexamethasone fasting glucose and post-dexamethasone insulin sensitivity, r2adj=56% (p&lt;0.001) and r2adj=60% (p&lt;0.0001), respectively. No pre-dexamethasone metabolic or insulin secretory responses entered these models. Conclusions In relatives, fasting and 2-h OGTT glucose concentrations and [beta]-cell responses to acute dexamethasone-induced insulin resistance are similar to those observed at 10years, especially in relatives who develop the most disturbed dexamethasone-induced glucose intolerance and impaired acute insulin secretion. The combined 0-year, post-dexamethasone fasting and 2-h OGTT glucose concentrations and insulin resistance, measured as SIHOMA, are the best predictors in relatives of future dysglycaemia. Copyright © 2013 John Wiley &amp; Sons, Ltd. [PUBLICATION ABSTRACT]</description><identifier>ISSN: 1520-7552</identifier><identifier>EISSN: 1520-7560</identifier><identifier>DOI: 10.1002/dmrr.2418</identifier><identifier>CODEN: DMRRFM</identifier><language>eng</language><publisher>Bognor Regis: Wiley Subscription Services, Inc</publisher><ispartof>Diabetes/metabolism research and reviews, 2013-09, Vol.29 (6), p.492</ispartof><rights>Copyright © 2013 John Wiley &amp; Sons, Ltd.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27903,27904</link.rule.ids></links><search><creatorcontrib>Durck, Tina Trier</creatorcontrib><creatorcontrib>Henriksen, Jan Erik</creatorcontrib><creatorcontrib>Egede, Mette Brogaard</creatorcontrib><creatorcontrib>Levin, Klaus</creatorcontrib><creatorcontrib>Rantzau, Christian</creatorcontrib><creatorcontrib>Ward, Glenn</creatorcontrib><creatorcontrib>Beck-Nielsen, Henning</creatorcontrib><creatorcontrib>Alford, Frank P</creatorcontrib><title>The metabolic responses induced by acute dexamethasone predict glucose tolerance and insulin secretion over 10years in relatives of type 2 diabetic subjects</title><title>Diabetes/metabolism research and reviews</title><description>Background This study aimed to compare the metabolic and insulin secretory responses to dexamethasone with the metabolic responses observed at 10years in normoglycaemic relatives of type 2 diabetic and healthy control subjects. Methods Twenty relatives and 20 matched control subjects were studied twice at 0year (pre- and post-dexamethasone) and at 10years, employing a 75-g oral glucose tolerance test (OGTT), with serial measurements of glucose and insulin, for determination of glucose tolerance and calculations of acute insulin release ([Delta]I30/[Delta]G30; insulinogenic index) and insulin sensitivity (SIHOMA). Results Following dexamethasone, the relatives group developed varying degrees of glucose intolerance, associated with reduced insulin sensitivity and insulinogenic index. By 10years, fasting glucose and 2-h OGTT glucose were raised in the relatives group, especially in the relatives most metabolically affected by dexamethasone, including a reduced insulinogenic index. Multiple regression analysis of the data in relatives demonstrated that the 2-h OGTT glucose and fasting glucose values at 10years depended on the 0-year post-dexamethasone 2-h OGTT glucose, post-dexamethasone fasting glucose and post-dexamethasone insulin sensitivity, r2adj=56% (p&lt;0.001) and r2adj=60% (p&lt;0.0001), respectively. No pre-dexamethasone metabolic or insulin secretory responses entered these models. Conclusions In relatives, fasting and 2-h OGTT glucose concentrations and [beta]-cell responses to acute dexamethasone-induced insulin resistance are similar to those observed at 10years, especially in relatives who develop the most disturbed dexamethasone-induced glucose intolerance and impaired acute insulin secretion. The combined 0-year, post-dexamethasone fasting and 2-h OGTT glucose concentrations and insulin resistance, measured as SIHOMA, are the best predictors in relatives of future dysglycaemia. Copyright © 2013 John Wiley &amp; Sons, Ltd. 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Methods Twenty relatives and 20 matched control subjects were studied twice at 0year (pre- and post-dexamethasone) and at 10years, employing a 75-g oral glucose tolerance test (OGTT), with serial measurements of glucose and insulin, for determination of glucose tolerance and calculations of acute insulin release ([Delta]I30/[Delta]G30; insulinogenic index) and insulin sensitivity (SIHOMA). Results Following dexamethasone, the relatives group developed varying degrees of glucose intolerance, associated with reduced insulin sensitivity and insulinogenic index. By 10years, fasting glucose and 2-h OGTT glucose were raised in the relatives group, especially in the relatives most metabolically affected by dexamethasone, including a reduced insulinogenic index. Multiple regression analysis of the data in relatives demonstrated that the 2-h OGTT glucose and fasting glucose values at 10years depended on the 0-year post-dexamethasone 2-h OGTT glucose, post-dexamethasone fasting glucose and post-dexamethasone insulin sensitivity, r2adj=56% (p&lt;0.001) and r2adj=60% (p&lt;0.0001), respectively. No pre-dexamethasone metabolic or insulin secretory responses entered these models. Conclusions In relatives, fasting and 2-h OGTT glucose concentrations and [beta]-cell responses to acute dexamethasone-induced insulin resistance are similar to those observed at 10years, especially in relatives who develop the most disturbed dexamethasone-induced glucose intolerance and impaired acute insulin secretion. The combined 0-year, post-dexamethasone fasting and 2-h OGTT glucose concentrations and insulin resistance, measured as SIHOMA, are the best predictors in relatives of future dysglycaemia. Copyright © 2013 John Wiley &amp; Sons, Ltd. [PUBLICATION ABSTRACT]</abstract><cop>Bognor Regis</cop><pub>Wiley Subscription Services, Inc</pub><doi>10.1002/dmrr.2418</doi></addata></record>
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