Elan Pharmaceuticals, Inc.

Normand Frigon

Varghese John

Jay S Tung

Sukanto Sinha

John P Anderson

Lisa Claire McConlogue

Guriqbal Basi

Gwen Tatsuno

Minh Tam Doan

Michael Power

Shuwen Wang

Disclosed is an active, isolated &#x3b2;-secretase enzyme in purified and recombinant form. This enzyme is implicated in the production of amyloid plaque components which accumulate in the brains of individuals afflicted with Alzheimer's disease. Recombinant cells that produce this enzyme either alone or in combination with some of its natural substrates (APP and APPsw) are also disclosed. These compositions are useful for use in methods of selecting compounds that modulate &#x3b2;-secretase. Inhibitors of &#x3b2;-secretase are implicated as therapeutics in the treatment of neurodegenerative diseases, such as Alzheimer's disease.

&#x3b2;-secretase enzyme compositions and methods

Disclosed are various forms of an active, isolated &#x3b2;-secretase enzyme in purified and recombinant form. This enzyme is implicated in the production of amyloid plaque components which accumulate in the brains of individuals afflicted with Alzheimer's disease. Recombinant cells that produce this enzyme either alone or in combination with some of its natural substrates (&#x3b2;-APPwt and &#x3b2;-APPsw) are also disclosed, as are antibodies directed to such proteins. These compositions are useful for use in methods of selecting compounds that modulate &#x3b2;-secretase. Inhibitors of &#x3b2;-secretase are implicated as therapeutics in the treatment of neurodegenerative diseases, such as Alzheimer's disease.

Beta-secretase enzyme compositions and methods

Disclosed are various forms of an active, isolated &#x3b2;-secretase enzyme in purified and recombinant form. This enzyme is implicated in the production of amyloid plaque components which accumulate in the brains of individuals afflicted with Alzheimer's disease Recombinant cells that produce this enzyme either alone or in combination with some of its natural substrates (&#x3b2;-APPwt and &#x3b2;-APPsw) are also disclosed, as are antibodies directed to such proteins. These compositions are useful for use in methods of selecting compounds that modulate &#x3b2;-secretase. Inhibitors of &#x3b2;-secretase are implicated as therapeutics in the treatment of neurodegenerative diseases, such as Alzheimer's disease.

Disclosed are various forms of an active, isolated &bgr;-secretase enzyme in purified and recombinant form. This enzyme is implicated in the production of amyloid plaque components which accumulate in the brains of individuals afflicted with Alzheimer's disease. Recombinant cells that produce this enzyme either alone or in combination with some of its natural substrates (&bgr;-APPwt and &bgr;-APPsw) are also disclosed, as are antibodies directed to such proteins. These compositions are useful for use in methods of selecting compounds that modulate &bgr;-secretase. Inhibitors of &bgr;-secretase are implicated as therapeutics in the treatment of neurodegenerative diseases, such as Alzheimer's disease.

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Milbrae, CA, United States of America

Normand Frigon