Research Topics
Genomes and Genes | J C FyfeSummaryAffiliation: Michigan State University Country: USA Publications
Research Grants
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Publications
A novel mitofusin 2 mutation causes canine fetal-onset neuroaxonal dystrophyJohn C Fyfe
Laboratory of Comparative Medical Genetics, Department of Microbiology and Molecular Genetics, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824, USA
Neurogenetics 12:223-32. 2011..The canine disorder extends the range of MFN2-associated phenotypes and suggests MFN2 as a candidate gene for rare cases of human FNAD...
Inherited neuroaxonal dystrophy in dogs causing lethal, fetal-onset motor system dysfunction and cerebellar hypoplasiaJohn C Fyfe
Laboratory of Comparative Medical Genetics, Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, Michigan 48824, USA
J Comp Neurol 518:3771-84. 2010..Thus, fetal-onset neuroaxonal dystrophy in dogs, a species with well-developed genome mapping resources, provides a unique opportunity for additional disease gene discovery and understanding of this pathology...
Molecular basis of feline beta-glucuronidase deficiency: an animal model of mucopolysaccharidosis VIIJ C Fyfe
College of Veterinary Medicine, Michigan State University, East Lansing, Michigan, USA
Genomics 58:121-8. 1999..Carriers identified in this manner produced affected kittens in prospective breedings, and a feline MPS VII breeding colony has been established...
A complex rearrangement in GBE1 causes both perinatal hypoglycemic collapse and late-juvenile-onset neuromuscular degeneration in glycogen storage disease type IV of Norwegian forest catsJohn C Fyfe
Laboratory of Comparative Medical Genetics, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824, USA
Mol Genet Metab 90:383-92. 2007..The molecular characterization of feline GSD IV will enhance further studies of GSD IV pathophysiology and development of novel therapies in this unique animal model...
Molecular diagnosis of inherited neuromuscular diseaseJohn C Fyfe
Department of Microbiology and Molecular Genetics, College of Veterinary Medicine, Michigan State University, East Lansing, USA
Vet Clin North Am Small Anim Pract 32:287-300, viii-ix. 2002..New test development depends on investigations to determine disease genes and the disease causing mutations. A general approach to molecular diagnosis of inherited disorders is discussed...
An approximately 140-kb deletion associated with feline spinal muscular atrophy implies an essential LIX1 function for motor neuron survivalJohn C Fyfe
Laboratory of Comparative Medical Genetics, Department of Microbiology and Molecular Genetics, College of Veterinary Medicine, Michigan State University, East Lansing, Michigan 48824, USA
Genome Res 16:1084-90. 2006..Nonetheless, a LIX1-associated etiology in feline SMA implicates a previously undetected mechanism of motor neuron maintenance and mandates consideration of LIX1 as a candidate gene in human SMA when SMN1 mutations are not found...
Congenital hypothyroidism with goiter in toy fox terriersJohn C Fyfe
Laboratory of Comparative Medical Genetics, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824, USA
J Vet Intern Med 17:50-7. 2003..A nonsense mutation in the thyroid peroxidase gene of affected dogs was discovered and demonstrated to segregate with the disease. A DNA-based carrier test was developed and currently is used by TFT breeders to prevent this disorder...
Cloning of the canine beta-glucuronidase cDNA, mutation identification in canine MPS VII, and retroviral vector-mediated correction of MPS VII cellsJ Ray
James A Baker Institute for Animal Health, College of Veterinary Medicine, Cornell University, Ithaca, New York 14853, USA
Genomics 48:248-53. 1998..A retroviral vector expressing the full-length canine beta-glucuronidase cDNA corrected the deficiency in MPS VII cells...
Canine Imerslund-Gräsbeck syndrome maps to a region orthologous to HSA14qQianchuan He
Laboratory of Comparative Medical Genetics, College of Veterinary Medicine, Michigan State University, East Lansing, Michigan 48824, USA
Mamm Genome 14:758-64. 2003..Thus, these comparative-mapping data provide evidence that canine I-GS is a homologue of one form of the human disease and will provide a useful system for understanding the molecular mechanisms underlying the disease in humans...
Genetic evidence of an accessory activity required specifically for cubilin brush-border expression and intrinsic factor-cobalamin absorptionD Xu
Department of Microbiology, College of Veterinary Medicine, and MSU DOE Plant Research Laboratory, Michigan State University, East Lansing, MI 48824, USA
Blood 94:3604-6. 1999....
Amylopectinosis in fetal and neonatal Quarter HorsesJ A Render
Veterinary Medical Center, College of Veterinary Medicine, Michigan State University, East Lansing 48824, USA
Vet Pathol 36:157-60. 1999..We speculate that a severe inherited loss of glycogen brancher enzyme activity may be responsible for these findings. The relation of amylopectinosis to the death of the foals is unknown...
Inherited motor neuron disease in domestic cats: a model of spinal muscular atrophyQianchuan He
Laboratory of Comparative Medical Genetics, Department of Microbiology and Molecular Genetics, College of Veterinary Medicine, Michigan State University, East Lansing, MI 48824, USA
Pediatr Res 57:324-30. 2005..A breeding colony has been established for further investigation of this naturally occurring large-animal model of inherited motor neuron disease...
Amnionless function is required for cubilin brush-border expression and intrinsic factor-cobalamin (vitamin B12) absorption in vivoQianchuan He
Department of Microbiology and Molecular Genetics, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA
Blood 106:1447-53. 2005..Characterization of canine AMN mutations that cause I-GS establishes the canine model as an ortholog of the human disorder well suited to studies of AMN function and coevolution with cubilin...
Glycogen storage disease type IIIa in curly-coated retrieversBrittany L Gregory
Laboratory of Comparative Medical Genetics, Department of Microbiology and Molecular Genetics, College of Veterinary Medicine, Michigan State University, East Lansing 48824, USA
J Vet Intern Med 21:40-6. 2007..The glycogen storage diseases are a category of such disorders that are typed by enzyme analysis, but deoxyribonucleic acid (DNA) based carrier tests are needed for definitive, noninvasive diagnosis and to prevent at-risk matings...
The functional cobalamin (vitamin B12)-intrinsic factor receptor is a novel complex of cubilin and amnionlessJohn C Fyfe
Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, USA
Blood 103:1573-9. 2004..Therefore, mutations affecting either of the 2 proteins may abrogate function of the cubam complex and cause IG-S...
Megalin and cubilin are endocytic receptors involved in renal clearance of hemoglobinJakub Gburek
Department of Biochemistry, Faculty of Pharmacy, Wroclaw Medical University, Wroclaw, Poland
J Am Soc Nephrol 13:423-30. 2002..The findings may prove to be essential for further research on the pathophysiology of hemoglobinuric acute renal failure and proteinuria-associated tubulointerstitial nephritis...
Research Grants
- MOLECULAR PATHOGENESIS OF FELINE SPINAL MUSCULAR ATROPHYJOHN FYFE; Fiscal Year: 2002..Initial candidate genes will be those implicated in human SMA, but otherwise a comparative positional-candidate gene approach will be taken. ..
- Molecular Mechanism of Polarized Cubilin ExpressionJOHN FYFE; Fiscal Year: 2004..Results of these efforts are expected to open a window onto a new aspect of nutrient absorption and membrane receptor biology. ..
