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The binding of rat serum phosphorylcholine binding protein (PCBP) to platelet activating factor (PAF) has been demonstrated using a HPLC-gel filtration technique. The bulk of the bound [3H]-PAF eluted with a higher molecular weight species of PCBP, possibly an aggregated form of PCBP. A smaller amount of [3H]-PAF co-eluted with the major monomeric species of PCBP. Formation of the PCBP-PAF complex was calcium dependent and could be inhibited by phosphorylcholine, suggesting the involvement of the phosphorylcholine binding site on PCBP. Binding of albumin and alpha 1-acid glycoprotein to PAF was not affected by phosphorylcholine or calcium. The specificity of this binding may explain the inhibitory effect of PCBP and related phosphorylcholine binding proteins on PAF induced aggregation of platelets.
E Randell, and
S Mookerjea, and
A Nagpurkar
January 1985,
Advances in prostaglandin, thromboxane, and leukotriene research,
E Randell, and
S Mookerjea, and
A Nagpurkar
September 1983,
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E Randell, and
S Mookerjea, and
A Nagpurkar
January 1981,
International archives of allergy and applied immunology,
E Randell, and
S Mookerjea, and
A Nagpurkar
June 1984,
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E Randell, and
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A Nagpurkar
August 1999,
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E Randell, and
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A Nagpurkar
May 2000,
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E Randell, and
S Mookerjea, and
A Nagpurkar
July 2001,
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E Randell, and
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A Nagpurkar
August 1988,
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E Randell, and
S Mookerjea, and
A Nagpurkar
January 1992,
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E Randell, and
S Mookerjea, and
A Nagpurkar
February 1986,
Biochemical pharmacology,
