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Author:
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Year:
Volume:
Issue:
jia tai dan bai yu gan yan
Author(s):
YANG Shaoji
Pages:
153
-
154
Year:
1976
Issue:
4
Journal:
International Journal of Internal Medicine
Keyword:
甲胎蛋白
;
放射免疫测定
;
正常成人
;
对流免疫电泳
;
毫微克
;
肝细胞再生
;
病毒性肝炎
;
血清
;
肝炎患者
;
细胞合成
;
Abstract:
<正> 甲胎蛋白简介甲胎蛋白(Alpha-Fetoprotein,AFP)主要由胚胎的肝细胞及卵黄囊细胞合成,但胎儿的肠细胞也可合成少量。人类AFP的分子量为70,000,由一种简单的多肽链所组成。分娩时AFP合成即停止,但可从脐带血及新生儿的血液中测得此种物质,浓度约为10~50微克/毫升,其半衰期约为3~5天。在正常成人血清中亦存在微量AFP,约为1~17毫微克/毫升。目前检查AFP的的方法有:放射免疫测定、对流免疫电泳、免疫琼脂扩散等,其中灵敏度最
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