用流式细胞术检测氯化镧(LaCl3)对内毒素(LPS)与单核细胞的结合及CD14表达的影响.结果显示LPS能够与单核细胞结合,LaCl3具有抑制LPS与单核细胞结合的作用;LPS可以上调全血单核细胞表面CD14的表达,并在一定范围内呈剂量依赖关系,LaCl3对LPS上调单核细胞表面CD14的表达具有一定的抑制作用,但不能完全阻断.
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