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Histochemical Studies on Beta-Glucuronidase Activity in Developing Teeth and Bone of Rat and Macaque Monkey

Histochemical Studies on Beta-Glucuronidase Activity in Developing Teeth and Bone of Rat and Macaque Monkey

G Hasselgren, L E Hammarström

Acta Odontol Scand. 1975;33(3):161-7.

PMID: 823790

Abstract:

The enzyme beta-glucuronidase (E.C. 3.2.1.31.) has been studied in developing teeth and bone of Sprague-Dawley rats and Macaque monkeys (Macaca Irus) by means of histochemistry using naphthol-AS-BI-beta-D-glucuronide as substrate and hexazotized pararosanilin as coupling reagent. Since beta-glucuronidase is sensitive to fixatives a freeze-sectioning technique has been used which made it possible to section highly mineralized tissues without previous fixation and decalcification. In the bone enzyme activity was found in osteoclasts and osteoblasts. beta-glucuronidase activity was found in teeth of both species in odontoblasts, ameloblasts, stratum intermedium, inner and outer enamel epithelium. When enamel matrix formation was completed as indicated by the reduction of ameloblast length the enzyme activity of the ameloblasts increased.

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
AP37876	Naphthol AS-BI β-D-glucuronide		37-87-6	Price

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