INHIBITION OF PROTEIN-KINASE-C ACTIVATION BY LOW CONCENTRATIONS OF ALUMINUM

被引:33
作者
COCHRAN, M [1 ]
ELLIOTT, DC [1 ]
BRENNAN, P [1 ]
CHAWTUR, V [1 ]
机构
[1] FLINDERS UNIV,SCH BIOL SCI,BEDFORD PK,SA 5042,AUSTRALIA
关键词
PROTEIN KINASE C; INHIBITION; ALUMINUM;
D O I
10.1016/0009-8981(90)90131-B
中图分类号
R446 [实验室诊断]; R-33 [实验医学、医学实验];
学科分类号
1001 ;
摘要
An extract of rat brain protein kinase C was fully activated at a total calcium concentration 3 x 10 (-4) mol/l (Ca2+ 10(-4) mol/l) in the presence of non-limiting concentrations of phosphatidylserine. Available aluminium (ionised plus soluble hydrolysed) at a median value of 2 x 10(-8) mol/l inhibited enzyme activation by 90% at this non-limiting calcium concentration. Literature values for tissue aluminium concentrations suggest that interference with this key intracellular regulatory protein might occur in vivo.
引用
收藏
页码:167 / 172
页数:6
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