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Klempt, M.* ; Rathkolb, B.* ; Fuchs, E.* ; Hrabě de Angelis, M. ; Wolf, E.* ; Aigner, B.*

Genotype-specific environmental impact on the variance of blood values in inbred and F1 hybrid mice.

Mamm. Genome 17, 93-102 (2006)

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Open Access Gold as soon as Publ. Version/Full Text is submitted to ZB.

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Mice are important models for biomedical research because of the possibility of standardizing genetic background and environmental conditions, which both affect phenotypic variability. Inbred mouse strains as well as F₁ hybrid mice are routinely used as genetically defined animal models; however, only a few studies investigated the variance of phenotypic parameters in inbred versus F₁ hybrid mice and the potential interference of the genetic background with different housing conditions. Thus, we analyzed the ranges of clinical chemical and hematologic parameters in C3H and C57BL/6 inbred mice and their reciprocal F₁ hybrids (B6C3F1, C3B6F1) in two different mouse facilities. Two thirds of the blood parameters examined in the same strain differed between the facilities for both the inbred strains and the F₁ hybrid lines. The relation of the values between inbred and F₁ hybrid mice was also affected by the facility. The variance of blood parameters in F₁ hybrid mice compared with their parental inbred strains was inconsistent in one facility but generally smaller in the other facility. A subsequent study of F₁ hybrid animals derived from the parental strains C3H and BALB/c, which was done in the latter housing unit, detected no general difference in the variance of blood parameters between F₁ hybrid and inbred mice. Our study clearly demonstrates the possibility of major interactions between genotype and environment regarding the variance of clinical chemical and hematologic parameters.

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Publication type Article: Journal article

Document type Scientific Article

Corresponding Author

ISSN (print) / ISBN 0938-8990

e-ISSN 1432-1777

Journal Mammalian Genome

Quellenangaben Volume: 17, Pages: 93-102

Publisher Springer

Non-patent literature Publications

Reviewing status Peer reviewed

Institute(s) Institute of Experimental Genetics (IEG)