Mouse Studies
Mouse Studies
I read an interesting piece on mouse studies, recently, that gets into some of the issues we face when using these creatures as stand-ins for humans (but also in a more general sense).
(These go beyond the base-level problem many people have with animal experimentation, which are also legitimate concerns—especially as we learn more about consciousness and the potential for sentience in the non-human animal kingdom.)
There are some interesting alternatives on the horizon, and some are already being deployed (testing on organoids, for instance, or using organs-on-a-chip) but at the moment, despite these many issues, the world’s R&D efforts are still heavily reliant on mice as our tiny stand-ins, and it’s worth knowing about these problems so we can attempt to correct for them.
A few examples of the many lab-mouse research issues we know about, currently, from the article:
Mice that give birth in cages with little toys or knick-knacks produce more pups. Those pups are larger after 21 days.
Smaller cages cause *some* strains of male mice to fight more often. (There’s an entire meta-analysis on this topic alone, which I’m sure you’d find riveting.)
“Mice housed on deep bedding had smaller adrenal, kidney, liver and heart weights as well as larger body and tail lengths compared with groups kept on shallow bedding” after just 12 weeks, according to one study.
Mice handled by male scientists feel less pain. The finding holds true when a female scientist does the experiment but holds a t-shirt, previously worn by a man, near the mouse. The effect fades away after 30 minutes.
The full list is much larger, though, and the whole piece is worth a read:
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