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  • Title: [Interaction of plasma lipoproteins and apolipoproteins with lipid bilayer membranes].
    Author: Martseniuk OV, Perova NV, Misharin AIu, Antonov IV, Kuznetsov AS.
    Journal: Biofizika; 1987; 32(2):280-4. PubMed ID: 3580397.
    Abstract:
    It was shown that the interaction of lipoproteins (LP) with bilayer lipid membranes (BLM) resulted in some changes in the physical-chemical properties of the membranes. Adsorption of very low and low density lipoproteins (VLDL and LDL) at concentrations of 5-8 g protein/ml increased the surface potential difference and decreased transversal elasticity module of the bilayer. LP concentrations higher than the mentioned ones increased BLM conductance and caused instability and disruption of the membranes. The same effects were revealed for high density lipoproteins (HDL) at higher concentrations--15-20 micrograms protein/ml. The effect of apolipoproteins in the interaction of LP with BLM was investigated. It is proposed that apolipoproteins and especially apo B are the main factor which affects the nonreceptor interactions of LP with the membranes.
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