Decorin fragments inhibiting cell regulatory factors
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United States of America Patent
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Jan 6, 1998
Grant Date -
N/A
app pub date -
May 16, 1995
filing date -
Jun 28, 1988
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Expired
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Abstract
The present invention provides a method of inhibiting an activity of a cell regulatory factor comprising contacting the cell regulatory factor with a purified polypeptide, wherein the polypeptide comprises a cell regulatory factor binding domain of a protein. The protein is characterized by a leucine-rich repeat of about 24 amino acids. In a specific embodiment, the present invention relates to the ability of decorin, a 40,000 dalton protein that usually carries a glycosaminoglycan chain, and more specifically to active fragments of decorin or its functional equivalents to bind TGF.beta.. The invention also provides a novel cell regulatory factor designated MRF. Also provided are methods of identifying, detecting and purifying cell regulatory factors and proteins which bind and affect the activity of cell regulatory factors.
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