Fascinating study @gladyshev_lab performing heart transplants between donor and recipient mice of different ages. According to epigenetic and transcriptomic clocks, transplanted organs then become younger or older depending on the age of the recipient mouse. It highlights the #HeartTransplants #AgeingResearch #Epigenetics #Thetweetdoesnotmentionanyspecificcountries.Therefore #therearenocountrycodestoreturn.