BubR1 insufficiency causes early onset of aging-associated phenotypes and infertility in mice

Darren J Baker, Karthik B. Jeganathan, J. Douglas Cameron, Michael Thompson, Subhash Juneja, Alena Kopecka, Rajiv Kumar, Robert Brian Jenkins, Piet C. De Groen, Patrick Roche, Jan Van Deursen

Research output: Contribution to journalArticle

497 Citations (Scopus)

Abstract

Faithful segregation of replicated chromosomes is essential for maintenance of genetic stability and seems to be monitored by several mitotic checkpoints. Various components of these checkpoints have been identified in mammals, but their physiological relevance is largely unknown. Here we show that mutant mice with low levels of the spindle assembly checkpoint protein BubR1 develop progressive aneuploidy along with a variety of progeroid features, including short lifespan, cachectic dwarfism, lordokyphosis, cataracts, loss of subcutaneous fat and impaired wound healing. Graded reduction of BubR1 expression in mouse embryonic fibroblasts causes increased aneuploidy and senescence. Male and female mutant mice have defects in meiotic chromosome segregation and are infertile. Natural aging of wild-type mice is marked by decreased expression of BubR1 in multiple tissues, including testis and ovary. These results suggest a role for BubR1 in regulating aging and infertility.

Original languageEnglish (US)
Pages (from-to)744-749
Number of pages6
JournalNature Genetics
Volume36
Issue number7
DOIs
StatePublished - Jul 2004

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Infertility
M Phase Cell Cycle Checkpoints
Phenotype
Chromosome Segregation
Aneuploidy
Dwarfism
Subcutaneous Fat
Wound Healing
Cataract
Testis
Mammals
Ovary
Fibroblasts
Maintenance
Proteins

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics

Cite this

BubR1 insufficiency causes early onset of aging-associated phenotypes and infertility in mice. / Baker, Darren J; Jeganathan, Karthik B.; Cameron, J. Douglas; Thompson, Michael; Juneja, Subhash; Kopecka, Alena; Kumar, Rajiv; Jenkins, Robert Brian; De Groen, Piet C.; Roche, Patrick; Van Deursen, Jan.

In: Nature Genetics, Vol. 36, No. 7, 07.2004, p. 744-749.

Research output: Contribution to journalArticle

Baker, DJ, Jeganathan, KB, Cameron, JD, Thompson, M, Juneja, S, Kopecka, A, Kumar, R, Jenkins, RB, De Groen, PC, Roche, P & Van Deursen, J 2004, 'BubR1 insufficiency causes early onset of aging-associated phenotypes and infertility in mice', Nature Genetics, vol. 36, no. 7, pp. 744-749. https://doi.org/10.1038/ng1382
Baker, Darren J ; Jeganathan, Karthik B. ; Cameron, J. Douglas ; Thompson, Michael ; Juneja, Subhash ; Kopecka, Alena ; Kumar, Rajiv ; Jenkins, Robert Brian ; De Groen, Piet C. ; Roche, Patrick ; Van Deursen, Jan. / BubR1 insufficiency causes early onset of aging-associated phenotypes and infertility in mice. In: Nature Genetics. 2004 ; Vol. 36, No. 7. pp. 744-749.
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