Abstract

Effects of Common INSIG-2 and SCAP Gene Variants on Metabolic Parameters in Coronary Artery Disease

Highlights

  • The function of sterol regulator element binding proteins (SREBPs), important transcription factors in cholesterol synthesis, is associated to SREBP cleavage activating protein (SCAP), insulin induced gene product-1 (INSIG-1) and INSIG-2

  • INSIG proteins mediate the regulation of cholesterol synthesis by sterol dependently binding to SCAP and HMG-CoA reductase (DONG et al 2012)

  • HDL-cholesterol (HDL-C) values and smoking situations were compared between the coronary artery disease (CAD) patients and controls

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Summary

Introduction

The function of sterol regulator element binding proteins (SREBPs), important transcription factors in cholesterol synthesis, is associated to SREBP cleavage activating protein (SCAP), insulin induced gene product-1 (INSIG-1) and INSIG-2. The HMG-CoA reductase gene, plus over 20 other genes that encode enzymes regulating the cellular intake and synthesis of cholesterol and unsaturated fatty acids, are controlled by the transcription factor protein family named sterol regulator element binding proteins (SREBPs). These proteins are embedded in endoplasmic reticulum (ER) immediately after synthesis. INSIG proteins mediate the regulation of cholesterol synthesis by sterol dependently binding to SCAP and HMG-CoA reductase (DONG et al 2012)

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