ALPHA-1-FETOPROTEIN MESSENGER-RNA OF RAT YOLK-SAC AND HEPATOMA

被引：19

作者：

CHIU, JF

DECHAUMPHAI, W

COMMER, P

机构：

[1] Department of Biochemistry, University of Vermont, College of Medicine, Burlington

来源：

NUCLEIC ACIDS RESEARCH | 1979年 / 7卷 / 01期

关键词：

D O I：

10.1093/nar/7.1.239

中图分类号：

Q5 [生物化学]; Q7 [分子生物学];

学科分类号：

071010 ; 081704 ;

摘要：

Rat α1-fetoprotein mRNA was isolated and purified to apparent homogeneity by means of immunoadsorption and oligo (dT) cellulose affinity chromatography. Purified AFP mRNA migrated as a 21S peak in 2.5% SDS-polyacrylamide gels. The translation product of this mRNA in micrococcal nuclease treated reticulocyte lysate was identified as AFP by specific immunoprecipitation, SDS-gel electrophoresis and tryptic digestion analysis. DNA complimentary to AFP mRNA was synthesized with avian meyloblastosis virus RNA-dependent DNA polymerase. This AFP cDNA was used as a probe to quantitate AFP mRNA in the developing rat liver and to compare the complexity and diversity of AFP mRNA derived from the normal rat liver and Morris hepatoma 7777. We found that the amount of functional AFP mRNA is decreasing during liver development. There is very little, if any, AFP mRNA in the adult rat liver. A high degree of homology between the AFP mRNA sequences of yok sac and hepatoma was also found. © 1979 Information Retrieval Limited.

引用

页码：239 / 249

页数：11

共 32 条

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