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Reciprocal Pathway Between Medullary Visceral Zone and Hypothalamic Supraoptic Nucleus or Paraventricular Nucleus Involved in Hyperosmotic Regulation by Zhijun Yang; Zhiren Rao; Xiaodan Jiang; Hua Yuan; Li Duan; Liangwei Chen; Ying Wang; Ruxiang Xu; Yanjun Zeng is a scholarly article available to read on EtoBox.

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## Abstract In this study we try to simultaneously investigate the response of neurons and astrocytes of rats following hyperosmotic stimulation and test the possibility that the reciprocal pathways between medullary visceral zone (MVZ) and hypothalamic paraventricular nucleus (PVN) or supraoptic nucleus (SON). Hyperosmotic pressure animal model was established by administering 3% sodium chloride as drinking water to rats. The distribution and expression of the HRP retrogradely labeled neurons, Fos, tyrosine hydroxylase (TH) or vasopressin (VP) positive neuron and glial fibrillary acidic protein (GFAP) positive astrocytes in the MVZ, SON and PVN were observed by quadruplicate‐labeling methods of WGA‐HRP retrograde tracing combined with anti‐Fos, TH (or VP) and GFAP immunohistochemical technique. Fos positive neurons within the MVZ, PVN and SON increased markedly. There were also a large number of GFAP positive structures in the brain and their distribution pattern was fundamentally similar or analogous to Fos positive neurons in the above‐mentioned areas. The augmented GFAP reactivities took on hypertrophic cell bodies, thicker and longer processes. Quadruplicate immunohistochemica

Author

Zhijun Yang; Zhiren Rao; Xiaodan Jiang; Hua Yuan; Li Duan; Liangwei Chen; Ying Wang; Ruxiang Xu; Yanjun Zeng

Publisher

Elsevier Science; Wiley (John Wiley & Sons); Wiley-Blackwell; Wiley (ISSN 1065-6995)

Published

2009

Language

EN