Segregation analysis of squamous cell carcinoma of the head and neck: Evidence for a major gene determining risk

Mariza De Andrade, G. I. Amos, W. D. Foulkes

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

We and others have shown that a family history of squamous cell carcinoma of the head and neck (SCCHN) is a risk factor for this disease. We performed a segregation analysis on a dataset comprised of 1429 first-degree relatives of 242 unselected cases of SCCHN and 934 first-degree relatives of 156 spouse controls. Using the SAGE software, we demonstrated that a Mendelian model was favored and a model postulating a purely environmental cause of SCCHN was rejected. The model suggests that 18% of the population who smoke and drink are susceptible. The lifetime risk for non-smokers and non-drinkers who are heterozygotes for the susceptible allele is close to zero, but for those heterozygotes who smoke and drink the risk is 14% by age 70. These findings suggest that specific genetic factors account for a significant fraction of the risk of SCCHN associated with a family history of SCCHN.

Original languageEnglish (US)
Pages (from-to)505-510
Number of pages6
JournalAnnals of Human Genetics
Volume62
Issue number6
DOIs
StatePublished - 1998
Externally publishedYes

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Genes
Heterozygote
Smoke
Spouses
Software
Alleles
Carcinoma, squamous cell of head and neck
Population
Datasets

ASJC Scopus subject areas

  • Genetics(clinical)
  • Genetics

Cite this

Segregation analysis of squamous cell carcinoma of the head and neck : Evidence for a major gene determining risk. / De Andrade, Mariza; Amos, G. I.; Foulkes, W. D.

In: Annals of Human Genetics, Vol. 62, No. 6, 1998, p. 505-510.

Research output: Contribution to journalArticle

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