abnormal crypts of Lieberkuhn morphology_Map2k1<tm1Chrn>/Map2k1<tm1Chrn>,Map2k2<tm1Chrn>/Map2k2<tm1Chrn>,Polr2a<tm1(cre/ERT2)Bbd>/Polr2a<tm1(cre/ERT2)Bbd>
abnormal crypts of Lieberkuhn morphology_Map2k1<tm1Chrn>/Map2k1<tm1Chrn>,Map2k2<tm1Chrn>/Map2k2<tm1Chrn>,Polr2a<tm1(cre/ERT2)Bbd>/Polr2a<tm1(cre/ERT2)Bbd>