PMID: 15250238Jul 15, 2004Paper

Proliferation and differentiation of neural stem cells in adult rats after cerebral infarction

Chinese Medical Sciences Journal = Chung-kuo I Hsüeh K'o Hsüeh Tsa Chih
Bo ZhangYu-Kui Wei

Abstract

To investigate proliferation and differentiation of neural stem cells in adult rats after cerebral infarction. Models of cerebral infarction in rats were made and the time-course expression of bromodeoxyuridine (BrdU), Musashi1, glial fibrillary acidic protein (GFAP), and neuronal nuclear antigen (NeuN) were determined by immunohistochemistry and immunofluorescence staining. BrdU and Musashi1 were used to mark dividing neural stem cells. GFAP and NeuN were used to mark differentiating neural stem cells. Compared with controls, the number of BrdU-labeled and BrdU-labeled with Musashi 1-positive cells increased strikingly 1 day after cerebral infarction; approximately 6 fold with a peak 7 days later; markedly decreased 14 days later, but was still elevated compared with that of controls; decling to the control level 28 days later. The number of BrdU-labeled with GFAP-positive cells nearly remained unchanged in the hippocampus after cerebral infarction. The number of BrdU-labeled with NeuN-positive cells increased strikingly 14 days after cerebral infarction, reached maximum peak in the hippocampus 28 days after cerebral infarction in rats. Cerebral infarction stimulate proliferation of inherent neural stem cells and most prolifer...Continue Reading

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