Microphthalmia and Delayed Growth Syndrome in the Portuguese Water Dog (Puppy Eye Syndrome)

Research Update August 2019 CHF-02403-MOU: Microphthalmia and Delayed Growth Syndrome in the Portuguese Water Dog (Puppy Eye Syndrome)

The objective of this study is to A) clinicopathologically and molecularly characterize microphthalmia with delayed growth in the Portuguese Water Dog (PWD) and B) develop a DNA-based test to assist breeders with their breeding programs and avoid producing affected dogs.

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Research Update End-Year-1 CHF-02403-MOU: Microphthalmia and Delayed Growth Syndrome in the Portuguese Water Dog

Research update for Microphthalmia and Delayed Growth Syndrome project at University of Pennsylvania provides news that project is progressing and DNA samples on file will be submitted for a genome wide association study (GWAS). Researchers are particularly interested in DNA (blood) samples from affected puppies and producer parents. They are also very interested in obtaining samples from bitches and dogs that have been bred to known producers but have never produced any affected puppies themselves. Ideally, these (presumptive “clear”) breeding bitches or dogs would have produced over 16 normal puppies and no affected puppies when bred to known producers (carriers).

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Research Update Mid-Year-1 CHF-02403-MOU: Microphthalmia and Delayed Growth Syndrome in the Portuguese Water Dog

Research update for Microphthalmia and Delayed Growth Syndrome project at University of Pennsylvania provides news that project is progressing and more DNA samples of affected puppies are needed. Preliminary findings indicate males and females can be affected, although females predominate (about 70%). Preliminary pedigree studies suggest an autosomal recessive inheritance.

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Microphthalmia and Delayed Growth Syndrome

PARKER FORD, PA, February 1, 2017 – The Portuguese Water Dog Foundation is pleased to announce we have signed a Memorandum of Understanding (MOU) along with the Portuguese Water Dog Club of America to collaborate with AKC CHF to jointly fund research at the University of Pennsylvania (UPENN) – Section of Medical Genetics, Pediatrics and Reproduction to better characterize the clinical disorder of syndromic microphthalmia and delayed growth seen in the PWD, commonly known in our breed as Puppy Eye Syndrome (PES). Continue reading “Microphthalmia and Delayed Growth Syndrome”