HUMAN SYNOVIAL-CELLS SECRETE A 39-KDA PROTEIN SIMILAR TO A BOVINE MAMMARY PROTEIN EXPRESSED DURING THE NONLACTATING PERIOD

被引:87
作者
NYIRKOS, P [1 ]
GOLDS, EE [1 ]
机构
[1] MCGILL UNIV,MONTREAL H3G 1A6,QUEBEC,CANADA
关键词
D O I
10.1042/bj2690265
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
By SDS/PAGE analysis we have observed that human synovial cell monolayers secrete a prominent 39 kDA protein which could not be detected in skin and lung fibroblasts. This protein was purified to homogeneity by heparin-Sepharose chromatography and reverse-phase h.p.l.c. The N-terminal sequence was found to be almost identical to that of a recently described bovine protein detected in the mammary secretions during the involutionary phase of the lactational cycle. Characterization of this 39 kDa protein may provide a useful marker for classification of connective tissue cells.
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页码:265 / 268
页数:4
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