Fig. 4.
![Fig. 4. P4.2 gene expression in E12.5 embryos. Sagittal sections of embryos at E12.5 days were hybridized with the P4.2 antisense riboprobe and photographed under bright-field (A) or dark-field (B) illumination. P4.2 hybridization signal was detected in the heart, liver, and blood vessels. H, heart; L, liver; DA, dorsal aorta. Higher-power views of the heart ([C] bright-field illumination and [D] dark-field illumination) or dorsal aorta ([E] bright-field illumination and [F] dark-field illumination) region are also shown. Arrowhead points to P4.2-specific labeling in erythroid cells in the dorsal aorta (E and F). Micrographs were taken with a 10× (A and B) or 20× (C, D, E, and F) objective.](https://ash.silverchair-cdn.com/ash/content_public/journal/blood/91/2/10.1182_blood.v91.2.695/3/blod4023804a.jpeg?Expires=1735811930&Signature=5CTn2r4ZQ4k9qrwSmU~h~j6mP4jH8g~wSUeqbUrnWNpkEOPL9IvvO983JJxYCodyu237ggt2k9BGe0dQOL5q~XhPurITjz~2gBWIDoTTmJLmRYV69aXgRYWq9XYkVQWzfZfffgbcNaVboHw~G8EfA1oVzLNSwsI8yaUdwMECT4f3Q~cpILGnsCkio6~RDjANXYoZ4i~Hgumo0c07B1YjQjMET6Dce-P39Mo79p8jQRYXUQfWGeLicqbpSPJexixbFCF47JEnwyq6AFV1TprMU9S4CLZV2AZpRyKg3ihS~NxXMsi2raAtkA6kF-yuY3Xjykm9TWmiqR6byVh75ei~Tw__&Key-Pair-Id=APKAIE5G5CRDK6RD3PGA)
P4.2 gene expression in E12.5 embryos. Sagittal sections of embryos at E12.5 days were hybridized with the P4.2 antisense riboprobe and photographed under bright-field (A) or dark-field (B) illumination. P4.2 hybridization signal was detected in the heart, liver, and blood vessels. H, heart; L, liver; DA, dorsal aorta. Higher-power views of the heart ([C] bright-field illumination and [D] dark-field illumination) or dorsal aorta ([E] bright-field illumination and [F] dark-field illumination) region are also shown. Arrowhead points to P4.2-specific labeling in erythroid cells in the dorsal aorta (E and F). Micrographs were taken with a 10× (A and B) or 20× (C, D, E, and F) objective.
