Insertional mutation in the intron 1 of Unc5h3 gene induces ataxic, lean and hyperactive phenotype in mice

Yoon Sik Choi, Seung Beom Hong, Hee Kyung Jeon, Eun Ju Kim, Wan Jae Oh, So Young Joe, Jin Soo Han, Min Jae Lee, Han Woong Lee

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

Mice carrying a mutation in the first intron of Unc5h3 were accidentally produced by transgenic insertion and characterized for their homozygous mutant phenotypes. Morphological and histological analysis revealed cerebellar and midbrain abnormalities, which are similar to the previously reported phenotypes of the Unc5h3 mutant. Behavioral analysis showed higher ambulatory activity and circling, and defects in habituation in a novel environment. Their body weights were 10-30% less than wildtype mice from 2-3 weeks of age to 22 months possibly due to reduced accumulation of adipose tissues. The transgenic insertion site was identified and mapped to the intron 1 of Unc5h3 gene with approximately 50 kb deletion of the intron sequence. This intronic mutation interfered with the mRNA expression of the Unc5h3 gene not in testes, but in many tissues including the brain, implying that this intronic region may play a role in regulating tissue-specific transcription of Unc5h3.

Original languageEnglish
Pages (from-to)273-283
Number of pages11
JournalExperimental Animals
Volume52
Issue number4
DOIs
Publication statusPublished - 2003 Dec 1

Fingerprint

Introns
introns
Genes
Tissue
Phenotype
mutation
phenotype
Mutation
mice
genetically modified organisms
brain
mutants
genes
Sequence Deletion
Transcription
Mesencephalon
adipose tissue
Adipose Tissue
Testis
Brain

All Science Journal Classification (ASJC) codes

  • Animal Science and Zoology
  • Biochemistry, Genetics and Molecular Biology(all)
  • veterinary(all)

Cite this

Choi, Yoon Sik ; Hong, Seung Beom ; Jeon, Hee Kyung ; Kim, Eun Ju ; Oh, Wan Jae ; Joe, So Young ; Han, Jin Soo ; Lee, Min Jae ; Lee, Han Woong. / Insertional mutation in the intron 1 of Unc5h3 gene induces ataxic, lean and hyperactive phenotype in mice. In: Experimental Animals. 2003 ; Vol. 52, No. 4. pp. 273-283.
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Insertional mutation in the intron 1 of Unc5h3 gene induces ataxic, lean and hyperactive phenotype in mice. / Choi, Yoon Sik; Hong, Seung Beom; Jeon, Hee Kyung; Kim, Eun Ju; Oh, Wan Jae; Joe, So Young; Han, Jin Soo; Lee, Min Jae; Lee, Han Woong.

In: Experimental Animals, Vol. 52, No. 4, 01.12.2003, p. 273-283.

Research output: Contribution to journalArticle

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