In particular, the invention relates to nucleic acid sequences which regulate expression of a nucleotide sequence of {HEAD ~ interest} in an age related manner and in {TAIL ~ a liver specific manner} 
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In particular , the invention relates to nucleic acid sequences which regulate expression of a nucleotide sequence of { HEAD ~ interest } in an age related manner and in { TAIL ~ a liver specific manner }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL