Abstract

Background: Aneuploidy has long been recognized to be associated with cancer. A growing body of evidence suggests that tumorigenesis, the formation of new tumors, can be attributed to some extent to errors occurring at the mitotic checkpoint, a major cell cycle control mechanism that acts to prevent chromosome missegregation. However, so far no statistical model has been available quantify the role aneuploidy plays in determining cancer.Methods: We develop a statistical model for testing the association between aneuploidy loci and cancer risk in a genome-wide association study. The model incorporates quantitative genetic principles into a mixture-model framework in which various genetic effects, including additive, dominant, imprinting, and their interactions, are estimated by implementing the EM algorithm.Results: Under the new model, a series of hypotheses tests are formulated to explain the pattern of the genetic control of cancer through aneuploid loci. Simulation studies were performed to investigate the statistical behavior of the model.Conclusions: The model will provide a tool for estimating the effects of genetic loci on aneuploidy abnormality in genome-wide studies of cancer cells.

Original languageEnglish (US)
Article number346
JournalBMC Cancer
Volume10
DOIs
StatePublished - Jul 1 2010

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Aneuploidy
Statistical Models
Neoplasms
M Phase Cell Cycle Checkpoints
Genetic Loci
Genome-Wide Association Study
Cell Cycle Checkpoints
Carcinogenesis
Chromosomes
Genome

All Science Journal Classification (ASJC) codes

  • Oncology
  • Genetics
  • Cancer Research

Cite this

Li, Yao ; Berg, Arthur ; Wu, Louie R. ; Wang, Zhong ; Chen, Gang ; Wu, Rongling. / Modeling the aneuploidy control of cancer. In: BMC Cancer. 2010 ; Vol. 10.
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Modeling the aneuploidy control of cancer. / Li, Yao; Berg, Arthur; Wu, Louie R.; Wang, Zhong; Chen, Gang; Wu, Rongling.

In: BMC Cancer, Vol. 10, 346, 01.07.2010.

Research output: Contribution to journalArticle

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T1 - Modeling the aneuploidy control of cancer

AU - Li, Yao

AU - Berg, Arthur

AU - Wu, Louie R.

AU - Wang, Zhong

AU - Chen, Gang

AU - Wu, Rongling

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AB - Background: Aneuploidy has long been recognized to be associated with cancer. A growing body of evidence suggests that tumorigenesis, the formation of new tumors, can be attributed to some extent to errors occurring at the mitotic checkpoint, a major cell cycle control mechanism that acts to prevent chromosome missegregation. However, so far no statistical model has been available quantify the role aneuploidy plays in determining cancer.Methods: We develop a statistical model for testing the association between aneuploidy loci and cancer risk in a genome-wide association study. The model incorporates quantitative genetic principles into a mixture-model framework in which various genetic effects, including additive, dominant, imprinting, and their interactions, are estimated by implementing the EM algorithm.Results: Under the new model, a series of hypotheses tests are formulated to explain the pattern of the genetic control of cancer through aneuploid loci. Simulation studies were performed to investigate the statistical behavior of the model.Conclusions: The model will provide a tool for estimating the effects of genetic loci on aneuploidy abnormality in genome-wide studies of cancer cells.

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