Evidence that autoimmunity in man is a Mendelian dominant trait

W. B. Bias, J. D. Reveille, Terri L Beaty, D. A. Meyers, F. C. Arnett

Research output: Contribution to journalArticle

Abstract

Family studies of autoimmune diseases are consistent with multifactorial etiology. However, familial occurrence of the autoimmune trait as defined by the presence of autoimmune disease and/or high titer autoantibody supports the hypothesis that autoimmunity is inherited as an autosomal dominant trait. Based on genetic analysis of 18 autoimmune kindreds, the population frequency of this primary autoimmune gene is approximately .10 with penetrance estimates of 92% in females and 49% in males. The estimated high penetrance of the autoimmune gene in females suggests that the interacting genetic and/or environmental factors must be numerous or ubiquitous. Sex, age, and specific major histocompatibility complex (MHC) antigens are among the genetic and physiological factors known to influence autoimmunity. A genetic model is proposed that takes these factors into account. Inherent in the hypothesis of a primary autoimmune gene is that it is epistatic to other, secondary, genes that influence the autoimmune phenotype. The genetic model further postulates that the secondary genes, including those of the MHC, confer specificity to the phenotype. The effects of the secondary genes can be modulated by gonadal steroids and, over time, may be abrogated by environmental challenges, such as viral infections.

Original languageEnglish (US)
Pages (from-to)584-602
Number of pages19
JournalAmerican Journal of Human Genetics
Volume39
Issue number5
StatePublished - 1986

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Autoimmunity
Genes
Penetrance
Genetic Models
Major Histocompatibility Complex
Autoimmune Diseases
Phenotype
Histocompatibility Antigens
Virus Diseases
Autoantibodies
Steroids
Population

ASJC Scopus subject areas

  • Genetics

Cite this

Bias, W. B., Reveille, J. D., Beaty, T. L., Meyers, D. A., & Arnett, F. C. (1986). Evidence that autoimmunity in man is a Mendelian dominant trait. American Journal of Human Genetics, 39(5), 584-602.

Evidence that autoimmunity in man is a Mendelian dominant trait. / Bias, W. B.; Reveille, J. D.; Beaty, Terri L; Meyers, D. A.; Arnett, F. C.

In: American Journal of Human Genetics, Vol. 39, No. 5, 1986, p. 584-602.

Research output: Contribution to journalArticle

Bias, WB, Reveille, JD, Beaty, TL, Meyers, DA & Arnett, FC 1986, 'Evidence that autoimmunity in man is a Mendelian dominant trait', American Journal of Human Genetics, vol. 39, no. 5, pp. 584-602.
Bias, W. B. ; Reveille, J. D. ; Beaty, Terri L ; Meyers, D. A. ; Arnett, F. C. / Evidence that autoimmunity in man is a Mendelian dominant trait. In: American Journal of Human Genetics. 1986 ; Vol. 39, No. 5. pp. 584-602.
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