K1 and K3 capsular antigens of Klebsiella induce tumor necrosis factor activities

被引:2
|
作者
Choy, YM [1 ]
Tsang, SF [1 ]
Kong, SK [1 ]
Leung, KN [1 ]
Parolis, H [1 ]
Lee, CY [1 ]
Fung, KP [1 ]
机构
[1] RHODES UNIV, SCH PHARMACEUT SCI, GRAHAMSTOWN 6140, SOUTH AFRICA
关键词
Klebsiella pneumoniae; K1 and K3 capsular antigens; tumor necrosis factor-alpha;
D O I
10.1016/0024-3205(95)02361-5
中图分类号
R-3 [医学研究方法]; R3 [基础医学];
学科分类号
1001 ;
摘要
Capsular polysaccharide antigens isolated from Klebsiella pneumoniae sere-type 1 (K1) and sere-type 3 (K3) could induce tumor necrosis factor-alpha in ICR mice. K1 and K3 capsular antigens were found to be non-toxic by brine shrimp bioassay. When injected into Ehrlich ascites tumor-bearing mice, both K1 and K3 capsular antigens exhibited significant suppression in the growth of tumor cells. The significance of these observations is discussed.
引用
收藏
页码:PL153 / PL158
页数:6
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