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Lewis血型阴性癌症患者血清和唾液中CA19-9的存在情况。

The presence of CA19-9 in serum and saliva from Lewis blood-group negative cancer patients.

作者信息

Yazawa S, Asao T, Izawa H, Miyamoto Y, Matta K L

机构信息

Department of Legal Medicine, School of Medicine, Gunma University, Maebashi.

出版信息

Jpn J Cancer Res. 1988 Apr;79(4):538-43. doi: 10.1111/j.1349-7006.1988.tb01624.x.

Abstract

Eighteen cancer patients showed high levels of CA19-9 in sera, even though the blood-group phenotypes of their red blood cells were Le(a-b-). Seven of these patients (group I) were determined as Le(a-b-) from both red blood cells and saliva consistently, whereas eleven other patients (group II) secreted either Le(a) or Le(b) antigen in saliva and showed the expression of incompatible Lewis blood-group antigens. GDP-fucose: N-acetyl-glucosaminide alpha(1----4)-L-fucosyltransferase was demonstrated to be present in salivas from both group I and group II. These results suggest that a cancer-associated alteration of Lewis blood-group antigen expression occurs in cancer patients.

摘要

18名癌症患者血清中CA19-9水平较高,尽管其红细胞的血型表型为Le(a-b-)。其中7名患者(I组)红细胞和唾液均被一致确定为Le(a-b-),而另外11名患者(II组)唾液中分泌Le(a)或Le(b)抗原,并表现出不相容的Lewis血型抗原表达。I组和II组唾液中均证实存在GDP-岩藻糖:N-乙酰葡糖胺α(1----4)-L-岩藻糖基转移酶。这些结果表明,癌症患者中发生了与癌症相关的Lewis血型抗原表达改变。

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