Korobkin, Alexandr A.

Masliukov, Petr M.

Nozdrachev, Alexandr D.

Timmermans, Jean-Pierre

Abstract: Expression of CB in the sympathetic ganglia was investigated by immunohistochemistry. The distribution of CB immunoreactivity was studied in the superior cervical ganglion (SCG), stellate ganglion (SG) and celiac ganglion (CG) from rats and cats of different ages (newborn, 10-day-old, 20-day-old, 30-day-old, two-month-old, six-month-old). We observed that the percentage of CB-immunoreactive (IR) neurons decreased during early postnatal development in rats and cats. In all studied ganglia of both species, the percentage of CB-IR neurons was high in newborn and 10-day-old animals and significantly decreased up to 30 days of life. In rats of all ages, the largest percentage of CB-IR neurons was observed in the SG compared to the SCG and CG. In the cat sympathetic ganglia, the number of CB-IR neurons decreased more rapidly during the first two months of life, and only scattered CB-IR neurons were found in the sympathetic ganglia of two-month-old and six-month-old cats. In cats, the highest percentage of CB-IR neurons was observed in the SG, while the lowest percentage was found in the CG. The difference in size between CB+ and CB- neurons equally changed during development. Finally, the changes in the size and percentages of CB-IR neurons were complete in rats at the first month of life, and in cats at the end of the second month. (C) 2011 Elsevier B.V. All rights reserved

Calbindin-D28k immunoreactivity in sympathetic ganglionic neurons during development

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