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Virologica Sinica, 25 (6) : 440-444, 2010
PrP 106-126 Altered PrP mRNA Gene Expression in Mouse Microglia BV-2 Cells
1. The state key Lab of Agrobiotechnology National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, China Agricultural University, Beijing 100193, China
2. Department of Animal Science and Technology, Agricultural University of Hebei, Baoding 071001, China
3. Department of Animal Science and Technology, Agricultural University of Shandong, Taian 271018, China
 Correspondence: zhaodm@cau.edu.cn
Prion diseases are infectious and fatal neurodegenerative diseases. The pathogenic agent is an abnormal prion protein aggregate. Microglial activation in the centre nervous system is a characteristic feature of prion disease. In this study, we examined the effect of PrP 106-126 on PrP mRNA gene expression in Mouse microglia cells BV-2 by real-time quantitative PCR. PrP mRNA expression level was found to be significantly increased after 18 h exposure of BV-2 cells to PrP 106-126, with 3-fold increase after 18 h and 4.5-fold increase after 24 h and BV-2 cells proliferating occurred correspondingly. Our results provide the first in vitro evidence of the increase of PrP mRNA levels in microglial cells exposed to PrP 106-126, and indicate that microglial cells might play a critical role in prion pathogenesis.
  Published online: 1 Dec 2010
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