Fig. 2
From: Tamoxifen-inducible cardiac-specific Cre transgenic mouse using VIPR2 intron
LacZ staining of E13.5 embryos. a Strategies for treating pregnant mice (Gtrosa26tm1Sor/tm1Sor mated with VIPR2-ERT2CreERT2Tg/+) with tamoxifen followed by LacZ staining. b Frozen section was stained with X-gal followed by counterstaining with hematoxylin and eosin Y (H&E) briefly. Left, original magnification, 40×; Right, 100× magnification of rectangle 1 to 4. Scale bar, 50 μm