Atrial natriuretic factor mutants and ischemic stroke

A - Human Necessities – 01 – K

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A01K 67/00 (2006.01) A61K 38/22 (2006.01) A61K 41/00 (2006.01) C07K 14/58 (2006.01) C12N 15/12 (2006.01) G01N 33/00 (2006.01) A61K 38/00 (2006.01) A61K 48/00 (2006.01)

Patent

CA 2301862

The present invention is based upon the observation that a mutant atrial natriuretic factor (ANF) gene increases stroke latency in spontaneously hypertensive rats-stroke prone (SHRSP). Accordingly, the present invention provides methods using mutant ANF proteins, fragments, analogs, derivatives and homologs of mutant ANF proteins, the nucleic acids encoding these mutant ANF proteins, as well as modulators of ANF for treating or preventing ischemic diseases, in particular ischemic stroke. The invention also relates to methods of diagnosis, prognosis and screening for a disposition for diseases and disorders associated with increased levels of ANF. Pharmaceutical compositions, methods of screening for ANF mutants and ANF modulators with utility for treatment and prevention of ischemic stroke are also provided.

La présente invention est basée sur l'observation qu'un gène du facteur natriurétique auriculaire (FNA) mutant augmente la latence de l'accident chez des rats sujets à ce type d'accident, présentant une hypertension spontanée (SHRSP). En conséquence, la présente invention présente des méthodes utilisant des protéines de FNA mutant, des fragments, des analogues, des dérivés et des homologues de protéines de FNA mutant, les acides nucléiques codant ces protéines de FNA mutant, ainsi que des modulateurs de FNA destinés au traitement ou à la prévention de maladies ischémiques, notamment de l'accident ischémique cérébral. L'invention concerne également des méthodes de diagnostic, de pronostic et de criblage d'une disposition à des maladies et des troubles associés à des niveaux accrus de FNA. L'invention concerne en outre des compositions pharmaceutiques, des méthodes de criblage de mutants de FNA et de modulateurs de FNA présentant une utilité dans le traitement et la prévention de l'accident ischémique cérébral.

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