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白细胞粘附抑制试验(LAI),对检测肿瘤特异性免疫是可靠而迅速的。肿瘤患者的致敏白细胞,在试管内与同一器官和组织类型来源的肿瘤提浸物孵育后,丧失了其原先可粘附至玻璃表面的能力;而非致敏肿瘤患者的白细胞则与肿瘤浸物不起反应。LAI试验可检测出早期胰腺癌的特异性肿瘤免疫,用来作为胰腺癌早期诊断的方法之一。
The Leukocyte Adhesion Inhibition Assay (LAI) is reliable and rapid in detecting tumor-specific immunity. The sensitized leukocytes of tumor patients lost their ability to adhere to the glass surface after incubation with tumor extracts of the same organ and tissue type in vitro; the white blood cells of patients with non-sensitized tumors and tumor leaching Things can not react. The LAI test can detect specific tumor immunity of early pancreatic cancer and is used as one of the methods for early diagnosis of pancreatic cancer.