INTERACTION OF LENS CRYSTALLINS WITH LIPID VESICLES

被引:30
作者
IFEANYI, F [1 ]
TAKEMOTO, L [1 ]
机构
[1] KANSAS STATE UNIV AGR & APPL SCI,DIV BIOL,ACKERT HALL,MANHATTAN,KS 66506
关键词
LENS CRYSTALLINS; LIPID VESICLES;
D O I
10.1016/0014-4835(91)90054-I
中图分类号
R77 [眼科学];
学科分类号
100212 ;
摘要
Previous studies have demonstrated that α-crystallin, but not β or γ-crystallin, can bind to lens membrane in a specific and saturable manner. To determine which components of the lens membrane might be involved in this interaction, each of these crystallins was incubated with reconstituted vesicles containing either phosphatidylethanolamine (PE), phosphatidylcholine (PC), or sphingomyelin (SPH). Alpha-crystallin, but not β- or γ-crystallin, bound to these vesicles in a saturable manner, in similar amounts as lens membrane. Together, these results suggest that the lipid moiety of the lens membrane may be involved in recognition of the α-crystallin molecule. © 1991.
引用
收藏
页码:535 / 538
页数:4
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