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Pemoline And Tetramisole 'Positives' In English Racehorses Following Levamisole Administration, J. Gutierrez, R. L. Eisenberg, N. J. Koval, E. R. Armstrong, J. Tharappel, C. J. Hughes, Thomas Tobin
Pemoline And Tetramisole 'Positives' In English Racehorses Following Levamisole Administration, J. Gutierrez, R. L. Eisenberg, N. J. Koval, E. R. Armstrong, J. Tharappel, C. J. Hughes, Thomas Tobin
Veterinary Science Faculty Publications
Pemoline is a central nervous system stimulant that has been used to treat attention-deficit hyperactivity disorder and narcolepsy in humans; its identification in horses could be considered evidence of attempts to influence performance. Two recent pemoline 'positives' in English racehorses led us to review the chemical relationships between tetramisole, levamisole, aminorex and pemoline. Pemoline is a simple oxidation product of aminorex, which has been shown in the United States and elsewhere to be an equine metabolite of levamisole. Based on the clear structural relationships between aminorex and pemoline, we conclude that levamisole can metabolise to pemoline in horses and that …
Whole-Genome Snp Association In The Horse: Identification Of A Deletion In Myosin Va Responsible For Lavender Foal Syndrome, Samantha A. Brooks, Nicole Gabreski, Donald Miller, Abra Brisbin, Helen E. Brown, Cassandra Streeter, Jason Mezey, Deborah Cook, Douglas F. Antczak
Whole-Genome Snp Association In The Horse: Identification Of A Deletion In Myosin Va Responsible For Lavender Foal Syndrome, Samantha A. Brooks, Nicole Gabreski, Donald Miller, Abra Brisbin, Helen E. Brown, Cassandra Streeter, Jason Mezey, Deborah Cook, Douglas F. Antczak
Veterinary Science Faculty Publications
Lavender Foal Syndrome (LFS) is a lethal inherited disease of horses with a suspected autosomal recessive mode of inheritance. LFS has been primarily diagnosed in a subgroup of the Arabian breed, the Egyptian Arabian horse. The condition is characterized by multiple neurological abnormalities and a dilute coat color. Candidate genes based on comparative phenotypes in mice and humans include the ras-associated protein RAB27a (RAB27A) and myosin Va (MYO5A). Here we report mapping of the locus responsible for LFS using a small set of 36 horses segregating for LFS. These horses were genotyped using a newly available single nucleotide polymorphism (SNP) …