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Detection Methods of Histochemically-reactive Zinc in the CNS at the Light Microscopical Level  

Kim, Yi-Suk (Department of Anatomy, Gachon Medical Graduate School)
Kim, Sang-Hyun (Department of Anatomy, Gachon Medical Graduate School)
Lee, Beob-Yi (Department of Anatomy, Konkuk Medical Graduate School)
Lee, Hyun-Sook (Department of Anatomy, Konkuk Medical Graduate School)
Kim, Sung-Joo (Department of Obstetrics and gynecology, Hallym Sacred Heart Hospital)
Jo, Seung-Mook (Department of Anatomy, Gachon Medical Graduate School)
Publication Information
Applied Microscopy / v.38, no.1, 2008 , pp. 29-34 More about this Journal
Abstract
Small amounts of zinc ions regulate a plentitude of enzymatic proteins, receptors and transcription factors, thus cells need accurate homeostasis of zinc ions. Some neurons have developed mechanisms to accumulate zinc in specific membrane compartment ("vesicular zinc"), which can be evidenced using histochemical techniques. These neurons are the socalled zinc enriched (ZEN) neurons, which accumulate glutamate and zinc inside their synaptic vesicles and release it during synaptic transmission. In the present paper we have studied the distribution of the ZEN terminals in the rat hippo-campus using ZnSe autometallography, Neo-Timm staining, ZnT3 immunohistochemistry and TSQ fluorescence staining.
Keywords
Ionic zinc; ZEN terminals; Autometallography; Rat; Hippocampus;
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