▁in ▁ 2 0 1 9 ▁( with ▁the ▁fund ing ▁support ▁of ▁New ▁York ▁St em ▁Cell ▁Foundation ▁and ▁the ▁Association ▁for ▁Front ot empor al ▁D eg ener ation ) ▁found ▁MAC S ▁to ▁be ▁a ▁cheap , ▁simple ▁way ▁to ▁yield ▁such ▁pur ity ▁with ▁minimal ▁damage ▁to ▁the ▁cell ▁lines , ▁therefore ▁maintain ing ▁better ▁quality ▁cells , ▁collect ing ▁more ▁hom ogeneous ▁N PC s , ▁and ▁increasing ▁their ▁ch ances ▁of ▁finding ▁effective ▁treat ments ▁for ▁ne uro log ical ▁dis orders . ▁They ▁used ▁both ▁the ▁MAC S ▁and ▁F AC S ▁methods ▁to ▁filter ▁out ▁CD 2 7 1 - ▁( use ful ▁markers ▁for ▁mes en ch ym al ▁stem ▁cells ) ▁and ▁CD 1 3 3 + ▁( mark ers ▁for ▁cancer ▁stem ▁cells ) ▁to ▁compare ▁vi ability ▁of ▁each ▁method . ▁ ▁The ▁MAC S ▁method ▁has ▁also ▁been ▁used ▁in ▁assistance ▁with ▁reprodu ction ▁( art ific ial ▁ins em ination ) ▁and ▁ret inal ▁trans plant ▁treatment . ▁In ▁the ▁case ▁of ▁assist ing ▁reprodu ction , ▁apo pt otic ▁s perm ▁cells ▁( de ad ▁or ▁dam aged ▁cells ) ▁are ▁separated ▁out ▁so ▁more ▁non - ap opt otic ▁s perm ▁( non - fragment ed ) ▁cells ▁can ▁be ▁collected ▁and ▁used ▁to ▁increase ▁the ▁subject ' s ▁ch ances ▁of ▁fert ility . ▁This ▁type ▁of ▁treatment ▁has ▁shown ▁to ▁be ▁more ▁effective ▁when ▁done ▁repeatedly , ▁increasing ▁the ▁amount ▁of ▁non - ap opt