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KMID : 0893420070080010015
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Journal of Veterinary Science
2007 Volume.8 No. 1 p.15 ~ p.20
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Organotypic slice culture of the hypothalamic paraventricular nucleus of rat
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Cho Eun Seong
Lee So Yeong
Park Jae-Yong
Hong Seong-Geun
Ryu Pan Dong
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Abstract
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Organotypic slice cultures have been developed as an alternative to acute brain slices because the neuronal viability and synaptic connectivity in these cultures can be preserved well for a prolonged period of time. This study evaluated a stationary organotypic slice culture developed for the hypothalamic paraventricular nucleus (PVN) of rat. The results showed that the slice cultures maintain the typical shape of the nucleus, the immunocytochemical signals for oxytocin, vasopressin, and corticotropin-releasing hormone, and the electrophysiological properties of PVN neurons for up to 3 weeks in vitro. The PVN neurons in the culture expressed the green fluorescent protein gene that had been delivered by the adenoviral vectors. The results indicate that the cultured slices preserve the properties of the PVN neurons, and can be used in longterm studies on these neurons in vitro.
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KEYWORD
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electrophysiology, green fluorescent protein, immunocytochemistry, organotypic slice culture, paraventricular, nucleus
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