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Osteochondrodystrophy (ocd): a new autosomal recessive mutation in the mouse
1Jackson Laboratory, Bar Harbor, ME 04609.
The Journal of Heredity
|March 1, 1991
Summary
A new mouse mutation, osteochondrodystrophy (ocd), causes skeletal abnormalities including short limbs and a thickened tail. This genetic condition affects cartilage development and is linked to mouse chromosome 19.
Area of Science:
- Genetics
- Developmental Biology
- Skeletal Biology
Background:
- Osteochondrodystrophy (ocd) is a newly identified autosomal recessive mutation in mice.
- It presents with distinct morphological and histological features affecting skeletal development.
Purpose of the Study:
- To characterize the phenotypic and genetic features of the novel osteochondrodystrophy (ocd) mouse mutation.
- To identify the chromosomal location of the gene responsible for this condition.
Main Methods:
- Phenotypic analysis of affected mice, including morphological and histological examination.
- Genetic mapping to determine the chromosomal location of the osteochondrodystrophy mutation.
Main Results:
- Mice with osteochondrodystrophy exhibit a short, domed head, reduced body size, shortened long bones, supinated forefeet, and a thickened tail.
- Histological analysis reveals thinner epiphyses and disorganized cartilage growth plates with abnormal chondrocytes.
- The mutation was mapped to mouse chromosome 19, near the centromere.
Conclusions:
- Osteochondrodystrophy (ocd) represents a novel genetic mutation impacting skeletal development in mice.
- The findings provide a basis for further investigation into the specific gene and its role in cartilage and bone formation.
- The localization to chromosome 19 offers a starting point for gene cloning and functional studies.