“…The mAbs RGM21 and HIK1083, which recognize a specific carbohydrate portion of rat gastric surface-and gland-type mucins, respectively (Ishihara et al, 1996a(Ishihara et al, , 1996b, are frequently used to characterize the different mucin molecular structures. From histological studies and epitope analyses, the characteristics of each antibody have been elucidated (Goso et al, 1999(Goso et al, , 2003Tsubokawa et al, 2007Tsubokawa et al, , 2009). …”