scholarly journals Identification, Purification, and Partial Characterization of an Organic Anion Binding Protein from Rat Liver Cell Plasma Membrane

1980 ◽  
Vol 65 (5) ◽  
pp. 1152-1161 ◽  
Author(s):  
Allan W. Wolkoff ◽  
Cathie T. Chung
1985 ◽  
Vol 76 (2) ◽  
pp. 454-459 ◽  
Author(s):  
A W Wolkoff ◽  
A Sosiak ◽  
H C Greenblatt ◽  
J Van Renswoude ◽  
R J Stockert

1984 ◽  
Vol 86 (6) ◽  
pp. 1632-1633 ◽  
Author(s):  
Ibrahim M. Yousef ◽  
Beatriz Tuchweber ◽  
Andrée Weber ◽  
Claude C. Roy

FEBS Letters ◽  
1974 ◽  
Vol 38 (2) ◽  
pp. 125-128 ◽  
Author(s):  
M. Frezza ◽  
C. Tiribelli ◽  
E. Panfili ◽  
G. Sandri

1983 ◽  
Vol 61 (5) ◽  
pp. 293-300 ◽  
Author(s):  
Ibrahim M. Yousef

Plasma membrane fractions, microsomes, and mitochondrial membrane were prepared from rat liver. The effects of incubation of these membranes in various ionic strengths (1–12 mM) of NaHCO3 (pH 7.4) on the polypeptide patterns were studied in the absence or the presence of various concentrations of CaCl2 (1–12 mM). Many polypeptides were extracted from each of the membranes in the low ionic strength buffers (1 mM); these polypeptides were essentially similar to those remaining in the membrane after incubation. The extraction of these polypeptides continued when concentration of NaHCO3 increased. However, the presence of CaCl2 at a concentration of 4 mM or higher stabilized the membrane proteins and reduced the continuous loss of the polypeptides, and only low molecular weight polypeptides were affected. These data suggest that the organization of proteins in liver cell membranes may depend on the nature of their interaction with other membrane components (i.e., phospholipids), which could be affected by Ca2+ ions.


1982 ◽  
Vol 31 (22) ◽  
pp. 3698-3701 ◽  
Author(s):  
Gabriel L. Plaa ◽  
Eve de Lamirande ◽  
Malka Lewittes ◽  
Ibrahim M. Yousef

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