C - Chemistry – Metallurgy – 12 – N
Patent
C - Chemistry, Metallurgy
12
N
C12N 15/12 (2006.01) A61K 38/17 (2006.01) C07K 14/435 (2006.01) C07K 14/47 (2006.01)
Patent
CA 2140814
This invention relates to isolated and purified proteins, such as calreticulin and mimetics of calreticulin, for a novel use of modulating hormone responsiveness. These proteins are useful in gene therapy and in manufacturing pharmaceuticals for treating a variety of diseases, including cancer, osteoporosis and chronic inflammatory disease. The proteins include or bind to an amino acid sequence KXFFYR, wherein X is either G, A or V and Y is either K or R. This sequence is present in the DNA-binding domain, and is critical for the DNA binding activity, of a variety of hormone receptors, including glucocorticoid receptor, minerolcorticoid receptor, androgen receptor, progesterone receptor, estrogen receptor, retinoic acid receptor, thyroid hormone receptor and vitamin D receptor. Proteins which bind to this sequence may inhibit hormone receptor induced gene transcription. Proteins which include this sequence may promote hormone receptor induced gene transcription. The invention includes isolated DNA molecules for these proteins,methods of treating diseases using these proteins, synthetic peptides and their mimetics, and kits containing these proteins, synthetic peptides or their mimetics.
Bereskin & Parr
Dedhar Shoukat
LandOfFree
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