CALBINDIN-CONTAINING NEURONS OF THE VENTRAL HORN OF MURINE SPINAL CORD GRAY MATTER



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Abstract

The study was performed in 4 C57black/6 mice to examine the neurons located in T II, L IV, L V and L VI segments of the spinal cord (SC) ventral horn, containing 28 kD calbindin (CAB) and 200 kD neurofilament (NF) proteins. To demonstrate immunoreactive neurons, the cells were labeled with antibodies against CAB and double labeled with antibodies against CAB and NF. The total cell population was demonstrated using NeuroTrace Red Fluorescent Nissl Stain. Results have shown that CABimmunopositive neurons were identified in ventromedial area of the ventral horn at all SC levels and were represented by Renshaw cells. САВ-positive interneurons located in the medial area of the ventral horn were present only in SC lumbar segments. CAB-positive motorneurons that were identified in the medial area of the ventral horn, were present in one SC segment (LIV) and were also found to contain a NF protein.

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About the authors

V. V. Porseva

Yaroslavl’ State Medical Academy

Email: vvporseva@mail.ru

V. V. Shilkin

Yaroslavl’ State Medical Academy

Email: shilkin39@mail.ru

A. A. Strelkov

Yaroslavl’ State Medical Academy

Email: strelkov-yar@mail.ru

P. M. Masliukov

Yaroslavl’ State Medical Academy

Email: mpm@yma.ac.ru

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