New Publication: Quantifying 3D Morphology & RNA from Individual Embryos

Iodine-enhanced CT scan projection of a mouse embryo (E11.5) in 3D (top) and an exemplar embryo RNA integrity analysis after staining and scanning, showing 18S and 26S bands as well as a lower marker (bottom).

“Here we present a method that generates high quality iodine contrasted CT images from embryonic soft tissue. This method has two primary advantages over previous methodologies. First, it allows extraction of high quality nucleic acids following the CT scan, generating a 1:1 correspondence between scan and gene expression or DNA profile. Second, it minimizes the shrinkage artifacts associated with fixation and contrasting. The ability to relate a single sample to its genetic profile will allow study of both partially penetrant models and also increase our understanding of how genotype and phenotype are directly related.”

– Lead author, Rebecca Green (Hallgrímsson Lab)

Go read more at Developmental Dynamics!

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