Phase separation of cholesterol in dimyristoyl phosphatidylserine cholesterol mixtures

被引:36
作者
Bach, D [1 ]
Borochov, N
Wachtel, E
机构
[1] Weizmann Inst Sci, Dept Biol Chem, IL-76100 Rehovot, Israel
[2] Ctr Technol Educ Holon, Holon, Israel
[3] Weizmann Inst Sci, Chem Serv Unit, IL-76100 Rehovot, Israel
关键词
dimyristoyl phosphatidylserine; cholesterol solubility; differential scanning calorimetry; X-ray diffraction;
D O I
10.1016/S0009-3084(98)00006-1
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
Miscibility of cholesterol in dimyristoyl phosphatidylserine (DMPS) bilayers was investigated by differential scanning calorimetry and X-ray scattering. The onset of cholesterol phase separation as detected by X-ray diffraction is at the molar ratio DMPS:cholesterol of 2:1 and 1.7:1 in the gel and in the liquid crystalline states of the phospholipid, respectively. (C) 1998 Elsevier Science Ireland Ltd. All rights reserved.
引用
收藏
页码:71 / 77
页数:7
相关论文
共 19 条
[11]   C-13 MAS NMR studies of crystalline cholesterol and lipid mixtures modeling atherosclerotic plaques [J].
Guo, W ;
Hamilton, JA .
BIOPHYSICAL JOURNAL, 1996, 71 (05) :2857-2868
[12]   STRUCTURE AND THERMOTROPIC BEHAVIOR OF PHOSPHATIDYLSERINE BILAYER-MEMBRANES [J].
HAUSER, H ;
PALTAUF, F ;
SHIPLEY, GG .
BIOCHEMISTRY, 1982, 21 (05) :1061-1067
[13]   INTERACTIONS OF DIVALENT-CATIONS WITH PHOSPHATIDYLSERINE BILAYER-MEMBRANES [J].
HAUSER, H ;
SHIPLEY, GG .
BIOCHEMISTRY, 1984, 23 (01) :34-41
[14]   SOME ASPECTS OF THE PHASE-BEHAVIOR OF CHARGED LIPIDS [J].
HAUSER, H .
BIOCHIMICA ET BIOPHYSICA ACTA, 1984, 772 (01) :37-50
[15]   SMALL-ANGLE NEUTRON-SCATTERING STUDY OF LATERAL PHASE-SEPARATION IN DIMYRISTOYLPHOSPHATIDYLCHOLINE CHOLESTEROL MIXED MEMBRANES [J].
KNOLL, W ;
SCHMIDT, G ;
IBEL, K ;
SACKMANN, E .
BIOCHEMISTRY, 1985, 24 (19) :5240-5246
[16]   STUDIES ON LECITHIN-CHOLESTEROL-WATER INTERACTIONS BY DIFFERENTIAL SCANNING CALORIMETRY AND X-RAY DIFFRACTION [J].
LADBROOK.BD ;
WILLIAMS, RM ;
CHAPMAN, D .
BIOCHIMICA ET BIOPHYSICA ACTA, 1968, 150 (03) :333-&
[17]  
LOOMIS CR, 1979, J LIPID RES, V20, P525
[18]   X-RAY-DIFFRACTION STUDY OF CHOLESTEROL PHOSPHATIDYLSERINE MIXTURES [J].
WACHTEL, EJ ;
BACH, D .
BIOCHIMICA ET BIOPHYSICA ACTA, 1987, 922 (02) :234-238
[19]   THE EFFECT OF PROTONS OR CALCIUM-IONS ON THE PHASE-BEHAVIOR OF PHOSPHATIDYLSERINE-CHOLESTEROL MIXTURES [J].
WACHTEL, EJ ;
BOROCHOV, N ;
BACH, D .
BIOCHIMICA ET BIOPHYSICA ACTA, 1991, 1066 (01) :63-69