Evolution of abnormal plasma glucagon responses to mixed-meal feedings in youth with type 1 diabetes during the first 2 years after diagnosis.

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 Care

journal_title

Diabetes care

authors

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/dc13-2612

subject

Has Abstract

pub_date

2014-06-01 00:00:00

pages

1741-4

issue

6

eissn

0149-5992

issn

1935-5548

pii

dc13-2612

journal_volume

37

pub_type

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