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.

Date of Patent:
Dec. 14, 1999

Filed:

May. 20, 1997
Applicant:
Inventors:

Lorne A Clarke, Richmond, CA;

Frank Jirik, Vancouver, CA;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61K / ;
U.S. Cl.
CPC ...
800 18 ; 800-3 ; 800-9 ; 800 25 ;
Abstract

A mouse which is homozygous for a disruption in the IDUA gene, but which has normal expression for the SAT-1 gene can be used for evaluating therapeutic agents for use in treating mucopolysaccharidosis Type I, by administering the therapeutic agent to the mouse, and evaluating the mouse for tissue pathology associated with iduronidase deficiency. The mouse can also be used for evaluating the ability of a targeting system to deliver a therapeutic agent to selected tissues or organs by administering an effective iduronidase replacement therapy coupled to the targeting system to a mouse which is homozygous for a disruption in the IDUA gene, but which has normal expression for the SAT-1 gene; and evaluating at least the selected tissue or organ from the mouse for pathology associated with iduronidase deficiency. Targeting systems which can be evaluated using this methodology include targeting moieties which selectively bind to or associate with selected cell types and in vivo and ex vivo gene therapy systems.


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