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Babaya N, Ueda H, Noso S, et al. Dose effect and mode of inheritance of diabetogenic gene on mouse chromosome 11. J Diabetes Res. 2013;2013:608923doi: 10.1155/2013/608923.
Babaya, N., Ueda, H., Noso, S., Hiromine, Y., Nojima, K., Itoi-Babaya, M., Kobayashi, M., Fujisawa, T., & Ikegami, H. (2013). Dose effect and mode of inheritance of diabetogenic gene on mouse chromosome 11. Journal of diabetes research, 2013608923. https://doi.org/10.1155/2013/608923
Babaya, Naru, et al. "Dose effect and mode of inheritance of diabetogenic gene on mouse chromosome 11." Journal of diabetes research vol. 2013 (2013): 608923. doi: https://doi.org/10.1155/2013/608923
Babaya N, Ueda H, Noso S, Hiromine Y, Nojima K, Itoi-Babaya M, Kobayashi M, Fujisawa T, Ikegami H. Dose effect and mode of inheritance of diabetogenic gene on mouse chromosome 11. J Diabetes Res. 2013;2013:608923. doi: 10.1155/2013/608923. Epub 2013 Feb 25. PMID: 23671880; PMCID: PMC3647551.
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J Diabetes Res. 2013;2013:608923. doi: 10.1155/2013/608923. Epub 2013 Feb 25.

Dose effect and mode of inheritance of diabetogenic gene on mouse chromosome 11.

Journal of diabetes research

Naru Babaya, Hironori Ueda, Shinsuke Noso, Yoshihisa Hiromine, Koji Nojima, Michiko Itoi-Babaya, Misato Kobayashi, Tomomi Fujisawa, Hiroshi Ikegami

Affiliations

  1. Department of Endocrinology, Metabolism and Diabetes, Kinki University Faculty of Medicine, 377-2 Ohno-higashi, Osaka-sayama, Osaka 589-8511, Japan.

PMID: 23671880 PMCID: PMC3647551 DOI: 10.1155/2013/608923

Abstract

The quantitative trait locus (QTL) mapping in segregating crosses of NSY (Nagoya-Shibata-Yasuda) mice, an animal model of type 2 diabetes, with nondiabetic strain C3H/He mice has identified diabetogenic QTLs on multiple chromosomes. The QTL on chromosome 11 (Chr11) (Nidd1n) showing the largest effect on hyperglycemia was confirmed by our previous studies with homozygous consomic mice, C3H-11(NSY), in which the NSY-derived whole Chr11 was introgressed onto control C3H background genes. C3H-11(NSY) mice also showed a streptozotocin (STZ) sensitivity. In the present study, we constructed heterozygous C3H-11(NSY) mice and the phenotypes were analyzed in detail in comparison with those of homozygous C3H-11(NSY) and C3H mice. Heterozygous C3H-11(NSY) mice had significantly higher blood glucose levels and STZ sensitivity than those in C3H mice. Hyperglycemia and STZ sensitivity in heterozygous C3H-11(NSY) mice, however, were not as severe as in homozygous C3H-11(NSY) mice. The body weight and fat pad weight in heterozygous C3H-11(NSY) mice were similar to those in C3H and homozygous C3H-11(NSY) mice. These data indicated that the introgression of Chr11 of the diabetes-susceptible NSY strain onto diabetes-resistant C3H caused marked changes in the glucose tolerance and STZ susceptibility even in a heterozygous state, and suggested that the mode of inheritance of a gene or genes on Chr11 for hyperglycemia and STZ sensitivity is additive.

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