Genetic mapping of Eutr1, a locus controlling E2-induced pyometritis in the Brown Norway rat, to RNO5

Karen A Gould, Jyotsna Pandey, Cynthia M. Lachel, Clare R. Murrin, Lisa A. Flood, Karen L. Pennington, Beverly S. Schaffer, Martin Tochacek, Rodney D McComb, Jane L Meza, Douglas L. Wendell, James D. Shull

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Abstract

In certain rat strains, chronic estrogen administration can lead to pyometritis, an inflammation of the uterus accompanied by infection and the accumulation of intraluminal pus. In this article, we report that the Brown Norway (BN) rat is highly susceptible to pyometritis induced by 17β-estradiol (E2). The susceptibility of the BN rat to E2-induced pyometritis appears to segregate as a recessive trait in crosses to the resistant August × Copenhagen Irish (ACI) strain. In a (BN × ACI)F2 population, we find strong evidence for a major genetic determinant of susceptibility to E2-induced pyometritis on rat chromosome 5 (RNO5). Our data are most consistent with a model in which the BN allele of this locus, designated Eutr1 (Estrogen-induced uterine response 1), acts in an incompletely dominant manner to control E2-induced pyometritis. Furthermore, we have confirmed the contribution of Eutr1 to E2-induced uterine pyometritis using an RNO5 congenic rat strain. In addition to Eutr1, we obtained evidence suggestive of linkage for five additional loci on RNO2, 4, 11, 17, and X that control susceptibility to E2-induced pyometritis in the (BN × ACI)F 2 population.

Original languageEnglish (US)
Pages (from-to)854-864
Number of pages11
JournalMammalian Genome
Volume16
Issue number11
DOIs
StatePublished - Nov 1 2005

Fingerprint

Estrogens
Norway
Chromosomes, Human, Pair 5
Suppuration
Genetic Predisposition to Disease
Population
Uterus
Estradiol
Alleles
Inflammation
Infection

ASJC Scopus subject areas

  • Genetics

Cite this

Gould, K. A., Pandey, J., Lachel, C. M., Murrin, C. R., Flood, L. A., Pennington, K. L., ... Shull, J. D. (2005). Genetic mapping of Eutr1, a locus controlling E2-induced pyometritis in the Brown Norway rat, to RNO5. Mammalian Genome, 16(11), 854-864. https://doi.org/10.1007/s00335-005-0070-7

Genetic mapping of Eutr1, a locus controlling E2-induced pyometritis in the Brown Norway rat, to RNO5. / Gould, Karen A; Pandey, Jyotsna; Lachel, Cynthia M.; Murrin, Clare R.; Flood, Lisa A.; Pennington, Karen L.; Schaffer, Beverly S.; Tochacek, Martin; McComb, Rodney D; Meza, Jane L; Wendell, Douglas L.; Shull, James D.

In: Mammalian Genome, Vol. 16, No. 11, 01.11.2005, p. 854-864.

Research output: Contribution to journalArticle

Gould, KA, Pandey, J, Lachel, CM, Murrin, CR, Flood, LA, Pennington, KL, Schaffer, BS, Tochacek, M, McComb, RD, Meza, JL, Wendell, DL & Shull, JD 2005, 'Genetic mapping of Eutr1, a locus controlling E2-induced pyometritis in the Brown Norway rat, to RNO5', Mammalian Genome, vol. 16, no. 11, pp. 854-864. https://doi.org/10.1007/s00335-005-0070-7
Gould, Karen A ; Pandey, Jyotsna ; Lachel, Cynthia M. ; Murrin, Clare R. ; Flood, Lisa A. ; Pennington, Karen L. ; Schaffer, Beverly S. ; Tochacek, Martin ; McComb, Rodney D ; Meza, Jane L ; Wendell, Douglas L. ; Shull, James D. / Genetic mapping of Eutr1, a locus controlling E2-induced pyometritis in the Brown Norway rat, to RNO5. In: Mammalian Genome. 2005 ; Vol. 16, No. 11. pp. 854-864.
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