Low-density lipoprotein (LDL) cholesterol, popularly known as bad cholesterol is major cause of heart disease. LDL C causes build-up of fatty deposits within arteries, reducing or blocking blood flow thereby causing ischemic strokes and heart attacks. PCSK9 inhibitors work by a mechanism of blocking a liver protein that helps to destroy LDL cholesterol receptors on the surface of cells.
The PCSK9 protein is an important regulator of circulating LDL‐C levels, through its inhibitory action on recycling of the LDL receptor (LDLR). PCSK9 inhibition thus offers a novel therapeutic mechanism for the lowering of LDL‐C levels.
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