Transgenic mouse models for studying mutations in vivo

Applications in aging research

Jan Vijg, Martijn E T Dollé, Hans Jörg Martus, Michael E T I Boerrigter

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

To study mutation accumulation in the DNA of somatic cells and tissues during aging in vivo, a transgenic mouse model has been constructed. The model harbors plasmid vectors, containing the lacZ reporter gene, integrated head to tail at various chromosomal locations. Procedures have been worked out to efficiently recover the plasmids into E. coli host cells. A positive selection system, permitting only E. coli cells with a lacZ mutated plasmid to grow, allows for the accurate determination of mutation frequencies as the ratio of mutant colonies versus the total number of transformants, i.e., the total number of plasmid copies recovered. Results obtained from a life span study of plasmid mice with vector clusters on chromosome 3 and 4 indicated age-related mutation accumulation in the liver, but not in the brain. Comparison of the mutational spectra revealed a significantly larger proportion of large size-change mutations in liver than in brain.

Original languageEnglish (US)
Pages (from-to)189-202
Number of pages14
JournalMechanisms of Ageing and Development
Volume98
Issue number3
DOIs
StatePublished - Dec 1997
Externally publishedYes

Fingerprint

Transgenic Mice
Plasmids
Aging of materials
Mutation
Research
Liver
Escherichia coli
Brain
Chromosomes, Human, Pair 4
Lac Operon
Chromosomes, Human, Pair 3
Mutation Rate
Chromosomes
Ports and harbors
Reporter Genes
Genes
Cells
Tissue
DNA
Mutation Accumulation

Keywords

  • Aging
  • Mutation
  • Transgenic mice

ASJC Scopus subject areas

  • Aging
  • Biochemistry
  • Developmental Biology
  • Developmental Neuroscience

Cite this

Transgenic mouse models for studying mutations in vivo : Applications in aging research. / Vijg, Jan; Dollé, Martijn E T; Martus, Hans Jörg; Boerrigter, Michael E T I.

In: Mechanisms of Ageing and Development, Vol. 98, No. 3, 12.1997, p. 189-202.

Research output: Contribution to journalArticle

Vijg, Jan ; Dollé, Martijn E T ; Martus, Hans Jörg ; Boerrigter, Michael E T I. / Transgenic mouse models for studying mutations in vivo : Applications in aging research. In: Mechanisms of Ageing and Development. 1997 ; Vol. 98, No. 3. pp. 189-202.
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