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Bestrophin Gene Mutations Cause Canine Multifocal Retinopathy: A Novel Animal Model For Best Disease, Karina E. Guziewicz, Barbara Zangerl, Sarah J. Lindauer, Robert F. Mullins, Lynne S. Sandmeyer, Bruce H. Grahn, Edwin M. Stone, Gregory M. Acland, Gustavo D. Aguirre
Bestrophin Gene Mutations Cause Canine Multifocal Retinopathy: A Novel Animal Model For Best Disease, Karina E. Guziewicz, Barbara Zangerl, Sarah J. Lindauer, Robert F. Mullins, Lynne S. Sandmeyer, Bruce H. Grahn, Edwin M. Stone, Gregory M. Acland, Gustavo D. Aguirre
Gustavo D. Aguirre, VMD, PhD
PURPOSE. Canine multifocal retinopathy (cmr) is an autosomal recessive disorder of multiple dog breeds. The disease shares a number of clinical and pathologic similarities with Best macular dystrophy (BMD), and cmr is proposed as a new large animal model for Best disease. METHODS. cmr was characterized by ophthalmoscopy and histopathology and compared with BMD-affected patients. BEST1 (alias VMD2), the bestrophin gene causally associated with BMD, was evaluated in the dog. Canine ortholog cDNA sequence was cloned and verified using RPE/choroid 5′- and 3′-RACE. Expression of the canine gene transcripts and protein was analyzed by Northern and Western blotting and immunocytochemistry. …
Recombinant Aav-Mediated Best1 Transfer To The Retinal Pigment Epithelium: Analysis Of Serotype-Dependent Retinal Effects, Karina E. Guziewicz, Barbara Zangerl, András M. Komáromy, Simone Iwabe, Vincent A. Chiodo, Sanford L. Boye, William W. Hauswirth, William Beltran, Gustavo D. Aguirre
Recombinant Aav-Mediated Best1 Transfer To The Retinal Pigment Epithelium: Analysis Of Serotype-Dependent Retinal Effects, Karina E. Guziewicz, Barbara Zangerl, András M. Komáromy, Simone Iwabe, Vincent A. Chiodo, Sanford L. Boye, William W. Hauswirth, William Beltran, Gustavo D. Aguirre
Gustavo D. Aguirre, VMD, PhD
Mutations in the BEST1 gene constitute an underlying cause of juvenile macular dystrophies, a group of retinal disorders commonly referred to as bestrophinopathies and usually diagnosed in early childhood or adolescence. The disease primarily affects macular and paramacular regions of the eye leading to major declines in central vision later in life. Currently, there is no cure or surgical management for BEST1-associated disorders. The recently characterized human disease counterpart, canine multifocal retinopathy (cmr), recapitulates a full spectrum of clinical and molecular features observed in human bestrophinopathies and offers a valuable model system for development and testing of therapeutic strategies. In …