凝集素法测定骨性碱性磷酸酶及临床应用

Determination of Alkaline Phosphatase Activity by the Agglutinin Precipitation Assay and Its Clinical Application

选用凝集素分离法测定骨性碱性磷酸酶 (bonealkalinephosphatase,B ALP) .分别对健康男女儿童 12 3例和成人及老年 6 6例 ,进行B ALP和总ALP活性的测定 .结果显示 ,在儿童骨生长阶段B ALP水平随年龄增长而增高 ,到 14～ 16岁时开始逐渐下降至成人水平 ,男女间增高和下降时间有所不同 .同时对临床骨折病人 6 0例测定以上项目 ,表现为B ALP活性在骨折后一段时期内升高 ,提示骨形成活跃 .粉碎性骨折两周后B ALP活性有显著性差异 ,t=2 92 ,P <0 0 1,而裂缝性骨折三周后出现显著性 ,t =5 14,P <0 0 1.骨折病人自身比较 ,一周后出现显著性差异 ,t=3 5 1,P <0 0 5 .凝集素法操作简便、重复性好 ,高低浓度血清的批内、批间变异系数分别为 6 12 %、 8 5 %和 6 4%、 9 5 % .是临床观察骨代谢情况的一项有用指标 .

The agglutinin precipitation assay was used to determine the bone alkaline phosphatase. The advantage of this assay is simple manipulation, and good reproducibility. Coefficient variation within and between runs were 6 12%, 8 5% and 6 4%, 9 5% respectively. It is concluded that serum B ALP levels is an useful parameter for clinical observation of the bone metabolism.