▁a ▁Master ▁D eg ree . ▁ ▁When ▁she ▁was ▁ 2 6 ▁she ▁was ▁appointed ▁to ▁be ▁the ▁concert ▁master ▁at ▁the ▁Norwegian ▁National ▁Opera ▁and ▁Bal let ▁ ▁References ▁ ▁External ▁links ▁▁ ▁Category : 1 9 8 5 ▁birth s ▁Category : L iving ▁people ▁Category : N or weg ian ▁classical ▁viol in ists ▁Category : N or weg ian ▁people ▁of ▁Chinese ▁descent ▁Category : 2 1 st - century ▁classical ▁viol in ists ▁Category : W omen ▁classical ▁viol in ists <0x0A> </s> ▁Re ceptor - binding ▁cancer ▁ant igen ▁expressed ▁on ▁Si So ▁cells ▁is ▁a ▁protein ▁that ▁in ▁humans ▁is ▁encoded ▁by ▁the ▁E BA G 9 ▁gene . ▁ ▁This ▁gene ▁was ▁identified ▁as ▁an ▁est ro gen - respons ive ▁gene . ▁Reg ulation ▁of ▁trans cription ▁by ▁est ro gen ▁is ▁medi ated ▁by ▁est ro gen ▁re ceptor ▁which ▁bind s ▁to ▁the ▁est ro gen - respons ive ▁element ▁( ERE ) ▁found ▁in ▁the ▁ 5 '- fl ank ing ▁region ▁of ▁this ▁gene . ▁The ▁encoded ▁protein ▁is ▁a ▁tum or - associ ated ▁ant igen ▁that ▁is ▁expressed ▁at ▁high ▁frequency ▁in ▁a ▁variety ▁of ▁can cers . ▁Two ▁trans cript ▁variants ▁differ ing ▁in ▁the ▁ 5 ' ▁U TR , ▁but ▁encoding ▁the ▁same ▁protein , ▁have ▁been ▁identified ▁for ▁this ▁gene . ▁ ▁References ▁ ▁Further ▁reading <0x0A> </s> ▁The ▁ 2 0 0 9 ▁Rugby ▁League ▁Four ▁Nations ▁tournament ▁( o fficial ly