Research Article

Insulin Secretion Defect in Children and Adolescents with Obesity: Clinical and Molecular Genetic Characterization

Table 2

Genetic findings and clinical characteristics of patients with MODY.

Subject12345
SexMMFMF
EthnicityTunisian/CaucasianCaucasianTurkishGermanSerbo-Croatian
Glucose toleranceIGTIGTT2DIGTT2D
Age (years)12.912.211.315.116.8
BMI (SD-score)40 (3.1)26.8 (2.06)28.1 (2.37)28.7 (2.06)33.2 (2.58)
TherapyMetformin, insulin after 2 yearsDietDietDietMetformin
GeneABCC8 heterozygousABCC8 heterozygousABCC8 heterozygousGCK heterozygousPTF1A and GLI2 heterozygous
DNA-exchangec.1836G>Tc.1616A>Gc.1616A>Gc.626C>Tc.499G>A
c.4145G>A
Amino acid exchangep.Glu612Aspp.Tyr539Cysp.Tyr539Cysp.Thr209Metp.Ala167Thr
p.Arg1382His
Disease valueDisease-causingDisease-causingDisease-causingDisease-causingDisease-causing

IGT: impaired glucose tolerance; T2D: type 2 diabetes; Ins: insulin; Glu: glucose; AUC: area under the curve; M: male; F: female; BMI: body mass index; SD: standard deviation; ABCC8: ATP binding cassette subfamily C member 8; GCK: glucokinase; PTF1A: pancreas associated transcription factor 1a; GLI2: GLI family zinc finger 2.