Increment of alpha B-crystallin mRNA in the brain of patient with infantile type Alexander's disease |
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Authors: | N Ochi K Kobayashi M Maehara A Nakayama T Negoro H Shinohara K Watanabe T Nagatsu K Kato |
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Institution: | Department of Pediatrics, Nagoya University School of Medicine, Japan. |
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Abstract: | To estimate the expression level of alpha B-crystallin in the brain of infantile type Alexander's disease, the amounts of protein and mRNA of alpha B-crystallin were measured by enzyme immunoassay (EIA) and Northern blot analysis, respectively, in the brain of patient and controls, and in the tissues from glioblastoma and astrocytoma. The alpha B-crystallin protein in the brain of patient was remarkably increased as compared with those of controls. The amount of alpha B-crystallin mRNA of patient was increased about 7-fold compared to the mean value of the control group and higher than that of glioblastoma tissue. These data suggest that increment of alpha B-crystallin mRNA in astrocytes leads to the overexpression of this protein and may be one of the main causes of infantile type Alexander's disease. |
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