The acute phase response in apolipoprotein A-1 knockout mice: apolipoprotein serum amyloid A and lipid distribution in plasma high density lipoproteins

In plasma, the bulk of apoSAA, a positive acute phase reactant protein, is transported in high density lipoproteins (HDL), especially HDLH (apoA1-rich HDL). In this study we tested whether apoA1 deficiency would adversely affect apoSAA concentration and lipid distribution in mouse plasma lipoproteins. Acute phase response (APR) was induced in C57BL/6J (apoA1+/+) and apoA1-knockout mice (apoA1−/−) by a subcutaneous injection of silver nitrate. The APR increased cholesterol concentrations in LDL of apoA1−/− mice and apoA1+/+ mice in a like manner. In contrast to apoA1+/+ mice, concentrations of cholesterol, phospholipids and proteins in both HDLL (1.063

Keywords:

• Very low-density lipoprotein
• Low-density lipoprotein
• Serum amyloid A
• Apolipoprotein B
• High-density lipoprotein
• Cholesterol
• Lipoprotein
• Acute-phase protein
• Molecular biology
• Biochemistry
• Biology
• Subcutaneous injection

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