The Occurrence in the Human Brain of Neurons with Strongly Negative-Charged Proteoglycans.
Open Access
- 1 January 1993
- journal article
- Published by International Society of Histology & Cytology in Archives of Histology and Cytology
- Vol. 56 (1) , 23-26
- https://doi.org/10.1679/aohc.56.23
Abstract
The occurrence of neurons with strongly negative-charged surface-coats was confirmed in the human brain.Cerebral cortical tissue pieces (Area 19 of Brodmann), which had been removed in surgery from a 45-year-old Japanese man with meningioma were fixed with formalin. These specimens were cut into sections, stained with fine cationic iron colloid at pH value 1.0-2.0, treated for Prussian blue reaction, counter stained with carbolthionin, and observed with a light microscope. The observations indicated that some large-sized pyramidal cells in the ganglionic lamina were strongly nagativecharged or coated with sulfated proteoglycans, though where these cells projected to could not be determined.Keywords
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