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Strain differences of cerebral ventricles in mice: Can the MRL/MpJ mouse be a model for hydrocephalus?
2009
Hino, K.(Hokkaido Univ., Sapporo (Japan)) | Otsuka, S. | Ichii, O. | Hashimoto, Y. | Kon, Y.
Hydrocephalus is an intractable disease characterized by the excessive accumulation of cerebrospinal fluid (CSF) in the cerebral ventricles. There are many cases in both human and animals; however, the cause and mechanism of its development is not clearly understood. In this study, differences of cerebral ventricles in 5 inbred mice strains (MRL/MpJ, C57BL/6, C3H/He, DBA/2 and BALB/c) were investigated by histological techniques to determine the possibility of a new animal model for hydrocephalus. Our analysis showed that significant differences in the volume and the surface area of lateral ventricles in the 5 inbred strains, with MRL/MpJ mice having the largest lateral, third, aqueduct and fourth ventricles. In addition, when MRL/MpJ mice were compared to BALB/c mice on 0 day after birth, the former already had larger lateral ventricles than the latter. Although there was no significant difference in the ratios of ependymal cell types in MRL/MpJ mice and BALB/c mice, the number and the diameter of lipid droplets in MRL/MpJ mice were, interestingly, smaller than those in BALB/c mice. It is well known that ependymal cells absorb nutritional substances in CSF by endocytosis, suggesting the possibility that their decrease may relate to the larger cerebral ventricles in MRL/MpJ. In conclusion, MRL/ MpJ mice have greater volumes in cerebral ventricles than other strains and may be useful for a model showing high susceptibility to hydrocephalus.
Mostrar más [+] Menos [-]Application of ELISA to sero-epidemiological survey of Japanese encephalitis in swine
1984
Ohkubo, Y. | Takashima, I. | Hashimoto, N. (Hokkaido Univ., Sapporo (Japan). Faculty of Veterinary Medicine)
Labeled avidin-biotin enzyme-linked immunosorbent assay (LAB-ELISA) for detection of Japanese encephalitis antibody in swine sera
1984
Chang, H.C. | Ohkubo, Y. | Takashima, I. | Arikawa, J. | Hashimoto, N. (Hokkaido Univ., Sapporo (Japan). Faculty of Veterinary Medicine)
