Isolation and characterization of rat submandibular intralobular ducts

Intralobular (granular) salivary ducts were purified by isopycnic centrifugation after collagenase/hyaluronidase digestion of the rat submandibular gland. The resulting ductal fraction (density, 1.056 +/- 0.003) was highly enriched in kallikrein (a ductal cell marker) and contained little amylase ac... View More