Two cats become first documented cases of Marfan syndrome after genetic testing
Researchers at Cornell University and partners in Belgium, Pennsylvania, and New York City confirmed that two domestic cat brothers named Gary and Shaggy are the first felines diagnosed with Marfan syndrome.
Veterinarians identify rare genetic disorder
The brothers displayed physical symptoms linked to changes in the FBN1 gene from a young age. Their unusual growth patterns included limbs that were significantly longer than normal for their breed. Specialists also detected abnormalities within their eyes and an enlarged aorta during detailed examinations.
Scientists analyze connective tissue issues
The team determined that both animals inherited two altered copies of the gene, one from each parent. This discovery provides new instructions for creating fibrillin-1, a protein essential for maintaining healthy connective tissue. The condition affects humans at a rate of roughly one in four thousand people.
Study marks historic veterinary milestone
Before this investigation, the disorder had never been officially recorded in domestic cats despite its presence in humans. The collaboration between institutions allowed experts to link specific physical traits to the genetic mutation. This work establishes a precedent for diagnosing similar conditions in other animal populations.
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