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Neurosci Lett. 1996 Sep 13;215(3):169-72.

The dilute-lethal (dl) gene attacks a Ca2+ store in the dendritic spine of Purkinje cells in mice.

Author information

1
Research Institute of Environmental Medicine, Nagoya University, Japan. taka@riem.nagoya-u.ac.jp

Abstract

The absence of smooth endoplasmic reticulum (SER) in the dendritic spine of Purkinje cells was found in dilute-lethal (dl) mouse cerebella as detected by immunohistochemistry using anti-inositol 1,4,5-triphosphate receptor antibody and electron microscopy. Since SER in the spine has been suggested to play a crucial role for synaptic regulation as an intracellular Ca2+ store (for reviews, see [Miller, R.J., Prog. Neurobiol., 37 (1991) 255-285: Simpson, P.B., Challiss, R.A.J. and Nahorski, S.R., Trends Neurosci., 18 (1995) 299-306]), a neurological defect, characterized by clonic convulsions with opisthotonus and ataxia, in the dilute-lethal mouse with homozygous trait may be attributable to the absence of SER in the dendritic spine of Purkinje cells.

PMID:
8899740
DOI:
10.1016/0304-3940(96)12967-0
[Indexed for MEDLINE]

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