Abstract:
OBJECTIVE:To examine the evolution of the dysregulated glucagon responses to mixed-meal tolerance tests (MMTTs) in youth with recent-onset type 1 diabetes (T1D). RESEARCH DESIGN AND METHODS:MMTTs were performed in 25 youth (9-18 years of age) with 1.5-12 months disease duration (year 1); 22 subjects were restudied 1 year later (year 2). Twenty nondiabetic (ND) control children were also studied. RESULTS:In T1D children, MMTT-stimulated increases in glucagon were significantly greater than that in ND children (median increments: year 1, 21 pg/mL [16-30]; year 2, 25 pg/mL [16-30]; ND, 9 pg/mL [5-16]; P = 0.001 and P < 0.001, respectively). CONCLUSIONS:In comparison with ND control children, exaggerated plasma glucagon responses to mixed-meal feedings are observed in youth with T1D within the first 2 years of diagnosis. Further studies to determine whether suppression of these abnormal responses may help to improve glycemic control are warranted.
journal_name
Diabetes Carejournal_title
Diabetes careauthors
Sherr J,Tsalikian E,Fox L,Buckingham B,Weinzimer S,Tamborlane WV,White NH,Arbelaez AM,Kollman C,Ruedy KJ,Cheng P,Beck RW,Diabetes Research in Children Network.doi
10.2337/dc13-2612subject
Has Abstractpub_date
2014-06-01 00:00:00pages
1741-4issue
6eissn
0149-5992issn
1935-5548pii
dc13-2612journal_volume
37pub_type
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