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2015 ; 50
(3
): 643-9
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Circulating ghrelin level is higher in HNF1A-MODY and GCK-MODY than in polygenic
forms of diabetes mellitus
#MMPMID25987348
Nowak N
; Hohendorff J
; Solecka I
; Szopa M
; Skupien J
; Kiec-Wilk B
; Mlynarski W
; Malecki MT
Endocrine
2015[Dec]; 50
(3
): 643-9
PMID25987348
show ga
Ghrelin is a hormone that regulates appetite. It is likely to be involved in the
pathophysiology of varying forms of diabetes. In animal studies, the ghrelin
expression was regulated by the hepatocyte nuclear factor 1 alpha (HNF1A).
Mutations of the HNF1A gene cause maturity onset diabetes of the young (MODY). We
aimed to assess the circulating ghrelin levels in HNF1A-MODY and in other types
of diabetes and to evaluate its association with HNF1A mutation status. Our
cohort included 46 diabetic HNF1A gene mutation carriers, 55 type 2 diabetes
(T2DM) subjects, 42 type 1 diabetes (T1DM) patients, and 31 glucokinase (GCK)
gene mutation carriers with diabetes as well as 51 healthy controls. Plasma
ghrelin concentration was measured using the immunoenzymatic assay with
polyclonal antibody against the C-terminal fragment of its acylated and
desacylated forms. Ghrelin concentrations were 0.75 ± 0.32, 0.70 ± 0.21, 0.50 ±
0.20, and 0.40 ± 0.16 ng/ml in patients with HNF1A-MODY, GCK-MODY, T1DM, and
T2DM, respectively. The ghrelin levels were higher in HNF1A-MODY and GCK-MODY
than in T1DM and T2DM (p < 0.001 for all comparisons) but lower than in
non-diabetic controls (1.02 ± 0.29 ng/ml, p < 0.001 for both comparisons). In the
multivariate linear model, the differences between both MODY groups and common
diabetes types remained significant. Analysis by a HNF1A mutation type indicated
that ghrelin concentration is similar in patients with different types of
sequence differences. Plasma ghrelin level is higher in HNF1A-MODY and GCK-MODY
than in the common polygenic forms of diabetes.
|Adult
[MESH]
|Case-Control Studies
[MESH]
|Diabetes Mellitus, Type 2/*blood/*genetics
[MESH]