The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 13, 2004
Filed:
Jan. 14, 2002
Stanley B. Prusiner, San Francisco, CA (US);
Jiri G. Safar, Walnut Creek, CA (US);
The Regents of the University of California, Oakland, CA (US);
Abstract
An assay method is disclosed which isolates and detects the presence of a disease related conformation of a protein (e.g., PrP ) present in a sample also containing the non-disease related conformation of the protein (e.g., PrP ). The sample is treated (e.g., contacted with protease) in a manner which hydrolyzes the disease related conformation and not the non-disease related conformation. The treated sample is contacted with a binding partner (e.g., a labeled antibody which binds PrP ) and the occurrence of binding provides and indication that PrP is present. Alternatively the PrP of the treated sample is denatured (e.g., contacted with guanadine) or unfolded. The unfolded PrP is contacted with a binding partner and the occurrence of binding indicates the presence of PrP in the sample. In another embodiment, PrP and PrP are reacted with a labeled antibody that binds both conformations and a conformation that binds only the disease related conformation, and the presence of the disease related conformation is determined by comparing the two.
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