期刊
NEUROSCIENCE LETTERS
卷 282, 期 1-2, 页码 57-60出版社
ELSEVIER SCI IRELAND LTD
DOI: 10.1016/S0304-3940(00)00836-3
关键词
stress protein; Purkinje cell; Bergmann glia; oxidative stress; in situ hybridization; immunohistochemistry
A170 and heme oxygenase-1 (HO-1) are characterized as oxidative stress-inducible proteins whose induction depends upon common transcription factor via antioxidant responsive element. We investigated the expression of A170 and HO-1 in the cerebellum after kainate administration. In situ hybridization showed constitutive expression of A170 and HO-1 mRNA in Purkinje cell layer; mild induction of A170 or HO-1 was detected, respectively, 8 or 24 h after kainate administration, Immunohistochemical studies also demonstrated that constitutive expression and the induction of A170 protein in Purkinje cells; the induction of HO-1 protein was detected in Bergmann glia but not in Purkinje cells. Thus, the transcription factors involved in the induction of A170 might be different from those in the induction of HO-1 under kainate-mediated excitotoxicity. The existence of cell type-specific stress response was suggested. (C) 2000 Elsevier Science Ireland Ltd. All rights reserved.
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