text:  Teratoma, mouse embryonic stem cells electroporated with R167Q VHL cDNA, biological rep 2 mouse embryonic stem cell teratoma genotype: human VHL R167Q transgene in Vhl-/- mouse ES cells injected into nude mouse host; phenotype: apoptotic; tissue: teratoma; host strain: *nu/nu* mice (Taconic Labs, Hudson, NY, USA); donor strain: wild-type J1 strain Sv/129 ES cells