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634. Changes in food consumption during the COVID-19 pandemic : analysis of consumer survey data from the first lockdown period in Denmark, Germany, and SloveniaMeike Janssen, Betty Pei Ing Chang, Hristo Hristov, Igor Pravst, Adriano Profeta, Jeremy Millard, 2021, izvirni znanstveni članek Objavljeno v DiRROS: 12.11.2025; Ogledov: 185; Prenosov: 93
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639. Enhanced oral glucose tolerance test for early detection of insulin resistance and metabolic complications in children with obesityUrh Grošelj, Jan Kafol, Jaka Šikonja, Matej Mlinarič, Robert Šket, Žiga Iztok Remec, Jernej Kovač, Ana Drole Torkar, Jasna Šuput, Barbka Repič-Lampret, Tadej Battelino, Primož Kotnik, 2025, izvirni znanstveni članek Povzetek: Background and aims: Early detection of insulin resistance (IR) and obesity-related complications is crucial for preventing type 2 diabetes. This study aimed to identify dynamic metabolic biomarkers for more precise early detection of IR and metabolic abnormalities. Methods: This cross-sectional cohort study evaluated IR and metabolic biomarkers in 403 children with obesity (median age 13.18 years, 51.3 % female, 98.5 % with obesity) using an enhanced oral glucose tolerance test (eOGTT). IR was assessed via four indices, with the Matsuda Insulin Sensitivity Index (ISI-M) used as the primary measure. Participants were stratified into quartiles based on ISI-M. Results: Participants with the highest IR (Q1) were older (p = 0.002), had a higher body mass index, were in a more advanced pubertal stage (p < 0.001), and had significantly elevated glucose and insulin levels (p < 0.001 for both) compared to the most insulin sensitive (Q4), with significant differences observed across all quartiles (p < 0.050 for all). Insulin at 120 min demonstrated excellent diagnostic accuracy for IR (AUC=0.958). Triglyceride levels in Q1 showed minimal decline during the eOGTT, while greater declines were observed with increasing insulin sensitivity (p = 0.002 across quartiles), suggesting that a lack of decline in triglycerides may help identify IR. High-sensitivity C-reactive protein levels increased with IR (p = 0.024). Baseline beta-hydroxybutyrate levels were highest in the Q4 and showed the greatest absolute decrease during the eOGTT, compared to Q1 (p < 0.001 for both). Conclusions: We validated established IR markers in children with obesity, while demonstrating that eOGTT may offer improved characterization and earlier identification of those at risk for metabolic complications.
Ključne besede: insulin resistance, oral glucose tolerance test, OGTT, metabolic complications, screening, children, adolescents, obesity
Objavljeno v DiRROS: 11.11.2025; Ogledov: 217; Prenosov: 96
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640. The association of KEAP1 and NFE2L2 polymorphisms with glycemic control and late complications in patients with type 2 diabetesZala Vraničar, Katja Goričar, Tanja Blagus, Vita Dolžan, Jasna Klen, 2025, izvirni znanstveni članek Povzetek: To investigate the association of KEAP1 rs1048290, rs9676881 and NFE2L2 rs6706649, rs6721961, rs35652124 polymorphisms with glycemic control and development of late complications in patients with type 2 diabetes mellitus (T2DM), a total of 316 T2DM patients were included in the retrospective genetic association study. Genotyping was performed using competitive allele-specific PCR. Data on HbA1c levels as a measure of glycemic control, and information on late complications, including ischemic heart disease, retinopathy, and nephropathy, was obtained from the medical records. Logistic regression analysis was used to assess the association between selected genetic polymorphisms and patients outcomes. Significant associations were observed between KEAP1 rs9676881 (p < 0.001) and NFE2L2 rs6721961 (p = 0.006) polymorphisms and elevated HbA1c levels. Additionally, NFE2L2 rs35652124 polymorphism was linked to a nominally higher risk of late complications, including ischemic heart disease (p = 0.036), retinopathy (p = 0.032), and nephropathy (p = 0.026). Results indicate that polymorphisms in the KEAP1 and NFE2L2 genes may influence glycemic control and the development of late complications in T2DM patients. These findings provide valuable insights into the genetic factors underlying T2DM progression and its complications in European populations, highlighting the potential role of genetic markers in optimizing personalized treatment strategies.
Ključne besede: diabetes mellitus type 2, oxidative pathway, genetic polymorphism, microvascular complications, macrovascular complications, personalized medicine
Objavljeno v DiRROS: 11.11.2025; Ogledov: 210; Prenosov: 112
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