An international team led by scientists from the University of Toronto and University of Pittsburgh has developed a comprehensive resource for identifying genetic risk factors for elevated low-density lipoprotein (LDL) cholesterol, a major contributor to heart disease. By classifying nearly 17,000 missense variants of the LDL receptor (LDLR) gene and mapping their impact on LDL receptor structure and function, the team provides actionable insights for clinicians. This sequence–function map enables early prediction and prevention of heart attacks and strokes, similar to BRCA1 mutation screening for breast cancer. The study highlights that many LDLR variants lack clinical classification, limiting early diagnosis of familial hypercholesterolemia (HeFH). The new resource improves risk estimation and could increase diagnoses of familial high cholesterol by up to tenfold. Unexpected findings, such as VLDL’s inhibition of LDL uptake, offer new avenues for research. This work is part of the broader Atlas of Variant Effects Alliance initiative.

To read more, click here.

[Source: GEN, October 30, 2025]

Join a global community of scientists and researchers who turn to InsideScientific for cutting-edge webinars, insightful articles, and essential resources that drive scientific discovery forward.