Abstract
The changes in amine concentrations in different segments of the rat tail artery have been investigated at different ages and after different durations of streptozotocin-induced diabetes. There was a significant positive slope to the relationship between amine concentrations and age in proximal portion of the normal tail artery, and a significant additional increase in amine concentrations following induction of diabetes. The peak of the latter response occurred between 10 and 20 weeks following the induction of diabetes. There was also a significant dependence on the length of the post-ganglionic neurones, which may be related to the failure of axonal transport of some of the essential enzymes or transporters for these biogenic amines. This model of altered catecholamine metabolism and handling requires further investigation so that alterations in the mechanisms involved in processing of these amines in diabetic autonomic neuropathy may be elucidated. (Mol Cell Biochem 261: 77–82, 2004)
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Morrison, J., Dhanasekaran, S. & Sheen, R. Effects of age and streptozotocin-induced diabetes on biogenic amines in rat tail artery. Mol Cell Biochem 261, 77–82 (2004). https://doi.org/10.1023/B:MCBI.0000028740.25738.4a
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DOI: https://doi.org/10.1023/B:MCBI.0000028740.25738.4a