Experimental Animals
Online ISSN : 1881-7122
Print ISSN : 0007-5124
Inherited Hydrocephalus in Csk: Wistar-Imamichi Rats; Hyd Strain: a New Disease Model for Hydrocephalus
Masao KOTOMasao MIWAAkira SHIMIZUKo-ichiro TSUJIMichio OKAMOTOJiro ADACHI
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JOURNAL FREE ACCESS

1987 Volume 36 Issue 2 Pages 157-162

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Abstract

Hydrocephalic rats were found in a breeding colony of Csk: Wistar-Imamichi strain rats. In males, the hydrocephalus were serious and could be detected from 7 days after birth. Survival was 3-4 weeks. In females, the hydrocephalus was moderate, there was no abnormal external appearance, and the rats were able to mature. Ventricular dilatation was excessive in males but moderate in females. The total frequency of hydrocephalus was 34.3% in both males and females. Breeding data indicated that this disease is heritable and is single dominant and X-linked (symbol, Hyd) . The female moderate hydrocephalics could be detected by progenytests without examining brain sections. No evidence of developmental anomaly was observed in the ventricles. This hydrocephalus was classified as being of the communicating type, and this strain was named the Hyd strain as an animal model for human hydrocephalus.

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© Japanese Association for Laboratory Animal Science
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