In on {HEAD ~ embodiment}, the invention provides nucleic acid sequences which regulate {TAIL ~ expression} of a nucleotide sequence of interest in an age related manner 
In on { HEAD ~ embodiment } , the invention provides nucleic acid sequences which regulate { TAIL ~ expression } of a nucleotide sequence of interest in an age related manner
OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH