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Invited Symposium: Behaviour-Induced Neural Events after Brain Injury






Abstract

Introduction

Materials & Methods

Results

Discussion & Conclusion

References




Discussion
Board

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Dehydration and Rehydration Reversibly Alter the Surface Density of Glial Fibrillary Acidic Protein Immunoreactivity (GFAP-IR) of Astrocytes in the Rat Supraoptic Nucleus


Contact Person: Nick Hawrylak (nhawryla@wvu.edu)


References

  1. Baddeley, A.J., Gundersen, H.J.G. and Cruz-Orive, L.M. (1986) Estimation of surface area from vertical sections. Journal of Microscopy, 142:259-276.
  2. Bobak, J., Sedlmeyer, T., Hawrylak, N. and Slam, A. (1997) Evidence of astrocyte cell death in the glial limitans of the supraoptic nucleus (SON) of normal and dehydrated adult rats. Soc. Neurosci. Abstr., 23:1077.
  3. Bobak, J.B., Hawrylak, N. and Salm, A.K. (1996) Reversible changes in the basal lamina subjacent to the supraoptic nucleus. Soc. Neurosci. Abstr., 22:585.
  4. Bobak, J.B. and Salm, A.K. (1996) Plasticity of astrocytes of the ventral glial limitans subjacent to the supraoptic nucleus. J. Comp. Neurol., 376:188-197.
  5. Dyball, R. and Garten, L. (1988) Stimulus-related changes in the dendrites of magnocellular neurones. Brain Res. Bull., 20:675-680.
  6. Gavrieli, Y. and Ben-Sasson, S. (1992) Identification of Programmed cell death in situ via specific labeling of nuclear DNA fragmentation. J. Cell Biol., 119:493-501.
  7. Hatton, G.I. (1990) Emerging concepts of structure-function dynamics in adult brain: the hypothalamo-neurohypophyseal system. Prog. Neurobiol., 34:437-504.
  8. Hatton, G.I. (1997) Function-related plasticity in the hypothalamus. Annual Reviews of Neuroscience, 20:371-393.
  9. Hatton, G.I., Perlmutter, L.S., Salm, A.K. and Tweedle, C.D. (1984) Dynamic neuron-glial interactions in the hypothalamus and pituitary: Implications for hormone synthesis and release. Peptides, 5 Suppl. 1:121-138.
  10. Hawrylak, N., Fleming, J.C. and Salm, A.K. (1998) Dehydration and rehydration reversibly alter glial fibrillary acidic protein (GFAP) immunoreactivity in the rat supraoptic nucleus (SON) and subjacent glial limitans. Glia, 22:260-271.
  11. Jones, C. and Pickering, B. (1969) Comparison of the effects of water deprivation and sodium chorlide inbibition on the hormone content of the neurohypophysis of the rat. J. Physiol., 203:4449-458.
  12. Murray, M. (1968) Effects of dehydration on the rate of proliferation of hypothalamic neuroglia cells. Exp. Neurol., 20:460-468.
  13. Patterson, J. and Leblond, C. (1977) Increased proliferation of neuroglia and endothelial cells in the supraoptic nucleus and hypophyseal neural lobe of young rats drinking hypertonic sodium chloride. J. Comp. Neurol., 172:373-390.
  14. Perlmutter, L.S., Tweedle, C.D. and Hatton, G.I. (1985) Neuron/glial plasticity in the supraoptic dendritic zone in response to acute and chornic dehydration. Brain Res., 361:225-232.
  15. Salm, A.K., Smithson, K.G. and Hatton, G.I. (1985) Lactation-associated redistribution of the glial fibrillary acidic protein within the supraoptic nucleus. Cell Tissue Research, 242:9-15.
  16. Singleton, P.A. and Salm, A.K. (1996) Differential expression of tenascin in astrocytes associated with the supraoptic nucleus (SON) of hydrated and dehydrated rats. J. Comp. Neurol., 373:186-199.
  17. Sterio, D. (1983) The unbiased estimation of number and sizes of arbitrary particles using the disector. Journal of Microscopy, 134:127-13.
  18. Theodosis, D.T. and Poulain, D.A. (1993) Activity-dependent neuronal-glial and synaptic plasticity in the adult mammalian hypothalamus. Neuroscience, 3:501-535.
  19. Theodosis, D.T., Poulain, D.A. and Vincent, J.D. (1981) Possible morphological bases for the synchronization of neuronal firing in the rat suprsoptic nucleus during lactation. Neuroscience, 6:919-929.
  20. Tweedle, C.D. and Hatton, G.I. (1976) Ultrastructural comparisons of neurons of supraoptic and circularis nuclei in normal and dehydrated rats. Brain Res. Bull., 1:103-121.
  21. Tweedle, C.D. and Hatton, G.I. (1977) Ultrastructural changes in rat hypothalamic neurosecretory cells and their associated glia during minimal dehydration and rehydration. Cell Tissue Research, 181:59-72.
  22. Tweedle, C.D. and Hatton, G.I. (1984) Synapse formation and disappearance in adult rat supraoptic nucleus during different hydration states. Brain Res., 309:373-376.

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<= Discussion & Conclussions REFERENCES

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Hawrylak, N; Sedlmeyer, T; Boone, D; Salm, AK; (1998). Dehydration and Rehydration Reversibly Alter the Surface Density of Glial Fibrillary Acidic Protein Immunoreactivity (GFAP-IR) of Astrocytes in the Rat Supraoptic Nucleus. Presented at INABIS '98 - 5th Internet World Congress on Biomedical Sciences at McMaster University, Canada, Dec 7-16th. Invited Symposium. Available at URL http://www.mcmaster.ca/inabis98/schallert/hawrylak0850/index.html
© 1998 Author(s) Hold Copyright