In addition, Xu says, human - derived cardiac muscle cells could be used for toxicology testing for new drugs, since the molecules that regulate human cardiac muscle cells functions are distinct from those in animal models. (emoryhealthsciblog.com)
In July 2010, figures published by the Home Office showed that experiments on animals in the UK had fallen by 1 % to just over 3.6 million, with a 10 % decrease in the number of toxicology tests carried out on animals. (politics.co.uk)
Zebrafish larvae a few days old are frequently used in toxicology tests — e.g. to study the behavioural effects of drugs — in order to avoid experiments in mammals. (sciencedaily.com)