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Tridimensional Visualization and Analysis of Early Human Development.

Cell | Mar 23, 2017

Generating a precise cellular and molecular cartography of the human embryo is essential to our understanding of the mechanisms of organogenesis in normal and pathological conditions. Here, we have combined whole-mount immunostaining, 3DISCO clearing, and light-sheet imaging to start building a 3D cellular map of the human development during the first trimester of gestation. We provide high-resolution 3D images of the developing peripheral nervous, muscular, vascular, cardiopulmonary, and urogenital systems. We found that the adult-like pattern of skin innervation is established before the end of the first trimester, showing important intra- and inter-individual variations in nerve branches. We also present evidence for a differential vascularization of the male and female genital tracts concomitant with sex determination. This work paves the way for a cellular and molecular reference atlas of human cells, which will be of paramount importance to understanding human development in health and disease. PAPERCLIP.

Pubmed ID: 28340341 RIS Download

Mesh terms: Embryo, Mammalian | Embryonic Development | Fetus | Human Development | Humans | Imaging, Three-Dimensional | Immunohistochemistry | Microscopy | Organogenesis | Peripheral Nervous System

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ImageJ

Software tool as an open source Java-based image processing program designed for scientific multidimensional images. ImageJ has been transformed to ImageJ2 application to improve data engine to be sufficient to analyze modern datasets.

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Imaris

Interactive Vision In The Life SciencesCombining speed, precision and ease-of-use, Imaris provides an impressive range of capabilities for working with three-dimensional images. Move easily between simple and advanced 3D views. Use flexible editing and processing functions, such as interactive surface rendering and object slicing capabilities. And output to standard TIFF, Quicktime and AVI formats. Imaris accepts virtually all image formats that are used in confocal microscopy and many of those used in wide-field image acquisition.BitPlane, Inc. also releases the following companion products:- ImarisXT is a multi-functional two-way interface from Imaris to both classic programming languages and to Matlab.- Imaris MeasurementPro and Imaris Track provide the ability to segment and follow the movement of independent objects in a 3D image over time. Objects can either be Surface Objects or Spots, created automatically or manually.- ImarisColoc enables users to easily isolate, visualize, and quantify regional overlap in 3D and 4D images and automates the process of selecting colocalized image areas.

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