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Expression of osteopontin in developing mouse brain  

Kim, Gyubeom (Department of Veterinary Medicine, College of Agriculture and Life Science, Cheju National University)
Hwang, Insun (Department of Veterinary Medicine, College of Agriculture and Life Science, Cheju National University)
Mun, Changjong (Department of Veterinary Medicine, College of Agriculture and Life Science, Cheju National University)
Shin, Taekyun (Department of Veterinary Medicine, College of Agriculture and Life Science, Cheju National University)
Son, Hwa-young (College of Veterinary Medicine, Chungnam National University)
Jee, Youngheun (Department of Veterinary Medicine, College of Agriculture and Life Science, Cheju National University)
Publication Information
Korean Journal of Veterinary Research / v.44, no.3, 2004 , pp. 335-341 More about this Journal
Abstract
This study was undertaken to examine the developmental expression of osteopontin(OPN) in the mouse brain. In Western blotting analysis, the expression of OPN was noted initially at embryonic stage and increased gradually after birth and decreased at postnatal day 60(P60). In immunohistochemistry, OPN expression was found in the interstitial nucleus Cajal and the substantia nigra reticularis in anterior part of the brain and in the inferior olivary complex, the parabrachial nucleus, the facial nucleus, the gigantocellular reticular nucleus, the trigeminal nucleus and the anterior interposed nucleus in posterior part of the brain at P31 and P60. In addition, OPN expression in widespread neurons appeared during the period of neuronal differentiation, increased just after birth and decreased with maturation. These results suggest that OPN contributes to developmental processes, including the differentiation and maturation of specific neuronal populations.
Keywords
Osteopontin; developing brain; mouse;
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