期刊
JOURNAL OF INTERNAL MEDICINE
卷 258, 期 5, 页码 395-410出版社
WILEY
DOI: 10.1111/j.1365-2796.2005.01556.x
关键词
apolipoproteins B; atherosclerosis; proteoglycans; very low-density lipoprotein assembly; very low-density lipoproteins
Apolipoprotein (apo) B exists in two forms apoB100 and apoB48. ApoB100 is present on very low-density lipoproteins (VLDL), intermediate density lipoproteins (IDL) and LDL. ApoB100 assembles VLDL particles in the liver. This process starts by the formation of a pre-VLDL, which is retained in the cell unless converted to the triglyceride-poor VLDL2. VLDL2 is secreted or converted to VLDL1 by a bulk lipidation in the Golgi apparatus. ApoB100 has a central role in the development of atherosclerosis. Two proteoglycan-binding sequences in apoB100 have been identified, which are important for retaining the lipoprotein in the intima of the artery. Retention is essential for the development of the atherosclerotic lesion.
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