Feed adult mothers a methyl-rich or genistein-rich diet, and DNA methylation lowers expression of the agouti gene in their offspring, shifting their coat color away from the classic agouti yellow and ...

For mice genetically altered to get fat, knocking out a particular gene keeps them both leaner and healthier, Johns Hopkins School of Medicine scientists report in the March 1 issue of the Journal of ...

Typical litter of potential chimeras derived from BPES cells injected into C57Bl/6 blastocysts. The "host" blastocysts encode black coat color, while the transplanted embryonic stem cells (ESCs) ...

Laboratory mouse pups are commonly weaned between postnatal day 21–28. Utilization of an exact wean date postpartum is a concrete metric for mouse colony management, but variation can result such as: ...