Article (Scientific journals)
Calcium binding protein calcyphosin in dog central astrocytes and ependymal cells and in peripheral neurons
Halleux, P.; Schurmans, Stéphane; Schiffmann, S. N. et al.
1998In Journal of Chemical Neuroanatomy, 15, p. 239-250
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Keywords :
Astrocytes; Ependymal cells; Choroid plexuses; Enteric nervous system; Dorsal root ganglia; Sympathetic ganglia; Adrenal medulla
Abstract :
[en] Calcyphosine is a calcium binding protein discovered in the dog thyroid in 1979. Calcyphosine mRNA and immunoreactivity were detected using Western and Northern blotting in the cerebral cortex, cerebral white matter and cerebellum. Using immunohistochemistry and in situ hybridization, both are present in ependymal cells, choroid plexus cells and several types of astrocytes of the subependymal cerebral layer, the cerebellar Bergmann layer, the retinal ganglion cell layer, the optic nerve and the posterior pituitary. Both are also present in neurons of nasal olfactory mucosa, enteric Auerbach and Meissner plexuses, orthosympathic and spinal cord ganglia as well as in endocrine cells of neural crest origin in the adrenal medulla. Calcyphosine immunoreactive astrocytes were also present mainly in hemispheric cerebral gray and white matter, hemispheric subcortical structures, brain stem and spinal cord. These results show that calcyphosine is a characteristic calcium binding protein of astrocytes and ependymal cells in the central nervous system and of neurons in the peripheral nervous system. This is of interest in view of the importance of calcium regulation in these cells, and since calcyphosine a calcium binding protein phosphorylated by cAMP dependent process, may be an intermediate between cAMP and inositol phosphate cascades
Disciplines :
Biochemistry, biophysics & molecular biology
Genetics & genetic processes
Author, co-author :
Halleux, P.;  Université Libre de Bruxelles - ULB
Schurmans, Stéphane  ;  Université Libre de Bruxelles - ULB > Institut de Recherche Interdisciplinaire en Biologie Humaine et Nucléaire, Institut de Biologie et de Médecine Moléculaire
Schiffmann, S. N.;  Université Libre de Bruxelles - ULB
Lecocq, R.;  Université Libre de Bruxelles - ULB
Conreur, J. L.;  Université Libre de Bruxelles - ULB
Dumont, J. E.;  Université Libre de Bruxelles - ULB
Vanderhaeghen, J. J.;  Université Libre de Bruxelles - ULB
Language :
English
Title :
Calcium binding protein calcyphosin in dog central astrocytes and ependymal cells and in peripheral neurons
Publication date :
1998
Journal title :
Journal of Chemical Neuroanatomy
ISSN :
0891-0618
eISSN :
1873-6300
Publisher :
Elsevier Science, Amsterdam, Netherlands
Volume :
15
Pages :
239-250
Peer reviewed :
Peer Reviewed verified by ORBi
Available on ORBi :
since 08 January 2010

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