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Rapid Acquisition of 3D Images Using High-resolution Episcopic Microscopy
Published on: November 21, 2016
High-resolution MRI of early-stage mouse embryos
Prodromos Parasoglou1, Cesar A Berrios-Otero, Brian J Nieman
1Kimmel Center for Biology and Medicine at the Skirball Institute of Biomolecular Medicine, New York University School of Medicine, New York, NY 10016, USA.
NMR in Biomedicine
|August 24, 2012
Summary
Researchers developed a novel MRI method for non-invasive, in vivo imaging of mouse embryos. This technique allows for detailed, longitudinal studies of embryonic development and disease, advancing developmental biology research.
Area of Science:
- Developmental Biology
- Medical Imaging
- Genetics
Background:
- Genetically modified mouse models are crucial for studying mammalian development and diseases.
- Traditional phenotyping of mouse embryos relies on ex vivo methods, limiting longitudinal studies.
- In utero imaging of mouse embryos is challenging due to accessibility issues.
Purpose of the Study:
- To develop a non-invasive method for longitudinal imaging of mouse embryos in utero.
- To enable high-resolution 3D imaging of embryonic development from early organogenesis stages.
- To facilitate the analysis of developmental diseases in genetically modified mouse lines.
Main Methods:
- A self-gated magnetic resonance imaging (MRI) protocol was employed.
- Image registration techniques were combined with MRI for whole-embryo imaging.
- High-resolution (100 µm isotropic) 3D images were acquired in utero.
Main Results:
- The method allows imaging of mouse embryos from embryonic day 10.5 onwards.
- High contrast was achieved for cerebral vasculature, limbs, spine, and central nervous system.
- No contrast agents were required for imaging.
Conclusions:
- MRI offers a powerful tool for longitudinal imaging of developing mouse embryos in utero.
- This technique has significant potential for analyzing phenotypes in mutant mouse models.
- The method advances the study of mammalian development and related diseases.
