Rabbits were immunized with purified CEN Ag and CEP Ag. The serum,ACEN Ab,and the anti corneal epithelial antibody(ACEP Ab) were determined by affinity chromatography.

• 用提纯的CEN Ag和CEP Ag分别免疫家兔 ,取血清经亲和层析得到ACEN Ab和抗角膜上皮抗原抗体 (anti cornealepithelialanti body,ACEP Ab)。