ALTERNATIVELY SPLICED PLATELET-DERIVED GROWTH-FACTOR A-CHAIN TRANSCRIPTS ARE NOT TUMOR SPECIFIC BUT ENCODE NORMAL CELLULAR PROTEINS

被引:22
作者
YOUNG, RM
MENDOZA, AE
COLLINS, T
ORKIN, SH
机构
[1] HARVARD UNIV,CHILDRENS HOSP,SCH MED,DIV HEMATOL ONCOL,BOSTON,MA 02115
[2] HARVARD UNIV,BRIGHAM & WOMENS HOSP,SCH MED,DEPT PEDIAT,BOSTON,MA 02115
[3] HARVARD UNIV,BRIGHAM & WOMENS HOSP,SCH MED,DEPT PEDIAT,BOSTON,MA 02115
关键词
D O I
10.1128/MCB.10.11.6051
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
Two platelet-derived growth factor A-chain proteins, termed short and long A chains, are generated as a result of alternative mRNA splicing of exon 6 of the A-chain gene. S1 nuclease mapping and polymerase chain reaction analyses demonstrate that both short and long A-chain transcripts are expressed in a variety of normal tissues. In addition, immunohistochemical localization of long A-chain protein reveals a cellular distribution identical to that observed with platelet-derived growth factor heteroserum.
引用
收藏
页码:6051 / 6054
页数:4
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