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[Bcl-2 and bax expression in rat cerebral ischemic preconditioning].

E Wang, Guo Ql, Tan Xj

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Abstract

OBJECTIVE: To study the expression of apoptosis regulated genes bcl-2 and bax nocoprotein expression and its significance in rat cerebral ischemic preconditioning. METHODS: With immunohistochemical assay, bcl-2 and bax expression were studied in rat brains which were divided into four groups: the sham-operation control group, the cerebral ischemic group and the cerebral ischemic preconditioning group. RESULTS: Bcl-2 oncoprotein was induced in cerebral ischemic preconditioning control group. Bax oncoprotein expression had no obviously difference in four groups. CONCLUSIONS: The expression of bcl-2 and bax oncoprotein after sublethal ischemic preconditioning might be associated with the preconditioning protection against neuronal damage following subsequent lethal ischemia.

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What this paper is about

OBJECTIVE: To study the expression of apoptosis regulated genes bcl-2 and bax nocoprotein expression and its significance in rat cerebral ischemic preconditioning. METHODS: With immunohistochemical assay, bcl-2 and bax expression were studied in rat brains which were divided into four groups: the sham-operation control group, the cerebral ischemic group and the cerebral ischemic preconditioning group. RESULTS: Bcl-2 oncoprotein was induced in cerebral ischemic preconditioning control group. Bax oncoprotein expression had no obviously difference in four groups. CONCLUSIONS: The expression of bcl-2 and bax oncoprotein after sublethal ischemic preconditioning might be associated with the preconditioning protection against neuronal damage following subsequent lethal ischemia.

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Available abstract

OBJECTIVE: To study the expression of apoptosis regulated genes bcl-2 and bax nocoprotein expression and its significance in rat cerebral ischemic preconditioning. METHODS: With immunohistochemical assay, bcl-2 and bax expression were studied in rat brains which were divided into four groups: the sham-operation control group, the cerebral ischemic group and the cerebral ischemic preconditioning group. RESULTS: Bcl-2 oncoprotein was induced in cerebral ischemic preconditioning control group. Bax oncoprotein expression had no obviously difference in four groups. CONCLUSIONS: The expression of bcl-2 and bax oncoprotein after sublethal ischemic preconditioning might be associated with the preconditioning protection against neuronal damage following subsequent lethal ischemia.

Key concepts: Ischemic preconditioning, Apoptosis, Ischemia, Immunohistochemistry, Ischemic reperfusion injury, BAX Protein, Over expression, Pharmacology

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