Young Healthy Individuals With a First-Degree Relative With Type 1 Diabetes Displayed Adverse Lipid Changes

Area of Science:

• Pediatric Endocrinology
• Cardiovascular Disease Research
• Genetics of Diabetes

Background:

• Atherosclerosis onset in children with type 1 diabetes is not well understood.
• Familial predisposition to type 1 diabetes may influence early cardiovascular risk.

Purpose of the Study:

• To determine if familial risk for type 1 diabetes is associated with pro-atherosclerotic changes in young relatives.
• To investigate early lipid profile and inflammatory markers in first-degree relatives of pediatric type 1 diabetes patients.

Main Methods:

• Recruited young first-degree relatives of pediatric type 1 diabetes patients and matched controls.
• Assessed conventional lipids, human leukocyte antigen DQ2/8, inflammatory biomarkers, and respiratory infection history.
• Utilized multivariable regression models to adjust for potential confounders.

Main Results:

• Relatives exhibited higher low-density lipoprotein (LDL) cholesterol and total cholesterol compared to controls.
• A higher frequency of respiratory infections was associated with elevated LDL cholesterol in relatives.
• No significant differences were found in human leukocyte antigen DQ2/8 frequency or inflammatory biomarkers between groups.

Conclusions:

• Healthy young relatives of type 1 diabetes patients display unfavorable lipid profiles, suggesting early atherosclerotic changes.
• Genetic susceptibility to type 1 diabetes and recurrent respiratory infections may contribute to these adverse lipid alterations.