Mechanisms of improved glycaemic control after Roux-en-Y gastric bypass
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Mechanisms of improved glycaemic control after Roux-en-Y gastric bypass. / Dirksen, C; Jørgensen, N B; Bojsen-Møller, K N; Jacobsen, S H; Hansen, D L; Worm, D; Holst, Jens Juul; Madsbad, S.
In: Diabetologia, Vol. 55, No. 7, 2012, p. 1890-901.Research output: Contribution to journal › Journal article › Research › peer-review
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T1 - Mechanisms of improved glycaemic control after Roux-en-Y gastric bypass
AU - Dirksen, C
AU - Jørgensen, N B
AU - Bojsen-Møller, K N
AU - Jacobsen, S H
AU - Hansen, D L
AU - Worm, D
AU - Holst, Jens Juul
AU - Madsbad, S
PY - 2012
Y1 - 2012
N2 - Roux-en-Y gastric bypass (RYGB) greatly improves glycaemic control in morbidly obese patients with type 2 diabetes, in many even before significant weight loss. Understanding the responsible mechanisms may contribute to our knowledge of the pathophysiology of type 2 diabetes and help identify new drug targets or improve surgical techniques. This review summarises the present knowledge based on pathophysiological studies published during the last decade. Taken together, two main mechanisms seem to be responsible for the early improvement in glycaemic control after RYGB: (1) an increase in hepatic insulin sensitivity induced, at least in part, by energy restriction and (2) improved beta cell function associated with an exaggerated postprandial glucagon-like peptide 1 secretion owing to the altered transit of nutrients. Later a weight loss induced improvement in peripheral insulin sensitivity follows.
AB - Roux-en-Y gastric bypass (RYGB) greatly improves glycaemic control in morbidly obese patients with type 2 diabetes, in many even before significant weight loss. Understanding the responsible mechanisms may contribute to our knowledge of the pathophysiology of type 2 diabetes and help identify new drug targets or improve surgical techniques. This review summarises the present knowledge based on pathophysiological studies published during the last decade. Taken together, two main mechanisms seem to be responsible for the early improvement in glycaemic control after RYGB: (1) an increase in hepatic insulin sensitivity induced, at least in part, by energy restriction and (2) improved beta cell function associated with an exaggerated postprandial glucagon-like peptide 1 secretion owing to the altered transit of nutrients. Later a weight loss induced improvement in peripheral insulin sensitivity follows.
U2 - 10.1007/s00125-012-2556-7
DO - 10.1007/s00125-012-2556-7
M3 - Journal article
C2 - 22538359
VL - 55
SP - 1890
EP - 1901
JO - Diabetologia
JF - Diabetologia
SN - 0012-186X
IS - 7
ER -
ID: 38430566