A method for preparing an induced pluripotent stem cell by nuclear reprogramming of {HEAD ~ a somatic cell} from {TAIL ~ a mammalian species}, comprising: 
A method for preparing an induced pluripotent stem cell by nuclear reprogramming of { HEAD ~ a somatic cell } from { TAIL ~ a mammalian species } , comprising :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH