CD44 and brain cancer: No significant differences were found between healthy dogs and IL dogs concerning the number of spots: spot Y (albumin isoform X1), spots V1 and V2 (alkaline phosphatase), spot H (chymotrypsin-C-like), spot H1 (elastase-3B), spot H3 (immunoglobulin kappa light chain), spots G and G1 (immunoglobulin λ-1 light chain), spots G2, G3, and G4 (corresponding to forms of immunoglobulin λ-light chain VLJ region), and spot P (deleted in malignant brain tumors 1 protein isoform X1).