Cobalamin Malabsorption

Imerslund-Gräsbeck syndrome. Selective intestinal cobalamin (vitamin B12) malabsorption

Symptoms
Growth retardation, lethargy, anorexia

Gene involved
CUBN

Mutation tested
c.8392delC

Transmission mode : Autosomal recessive

Publication : Fyfe et al. (2013). An exon 53 frameshift mutation in CUBN abrogates cubam function and causes Imerslund-Gräsbeck syndrome in dogs.

Gene involved
CUBN

Mutation tested
c.786delC

Transmission mode : Autosomal recessive

Publication : Fyfe et al. (2014). Selective intestinal cobalamin malabsorption with proteinuria (Imerslund-Gräsbeck syndrome) in juvenile Beagles.
Drögemüller et al. (2014). A frameshift mutation in the cubilin gene (CUBN) in Beagles with Imerslund-Gräsbeck syndrome (selective cobalamin malabsorption).

Concerned breeds :