Tg(APPSwLon)96Btla Transgene http://identifiers.org/mgd/MGI:3693358 transgene insertion 96, Bruce Lamb APP<K670N/M671L> and APP<V717Im> MGI:3693358 K670N/M671L + V717I O J1.96 K670N/M671L + V717I|J1.96|APP<K670N/M671L> and APP<V717Im> transgene