. Whole-organ 3D immunohistochemistry is revolutionizing the field of neuroscience, enabling unprecedented insight into the distribution of neural cells and neurological markers throughout the brain in health and disease. LifeCanvas Technologies is at the forefront of the new field of spatial proteomics, providing a complete workflow for whole-organ preservation, tissue clearing, immunohistochemical labeling, and imaging. Nevertheless, an ongoing challenge for such studies is the need to rapidly, reproducibly and rigorously quantify terabyte-sized datasets from whole-organ imaging efforts. While progress has been made in applying Artificial Intelligence (AI) tools to enable detection of cellular and sub-cellular markers in neural tissue, one-size-fits-all algorithms are inadequate for analyzing complex, information-rich brain datasets due to varying biomolecular expression patterns (e.g. nuclear, cytoplasmic, membrane-bound) and region-specific heterogeneities in cell density and neural cell types. However, AI-driven algorithms targeting a subset of labeling patterns can be effective provided the availability of adequate training data. LifeCanvas Technologies LCT is optimally positioned to develop highly accurate algorithms serving a wide range of detection tasks through its access to high volumes of whole-organ image data containing a variety of label expression patterns via its Contract Research Organization and user base. LCT proposes to develop a data analysis program, SmartAnalytics, which will embed a suite of AI algorithms within a user-friendly software package to identify labeled cell locations and characterize morphological features across the whole brain at cellular and sub-cellular resolution. Specifically, LCT will use intact, 3D immunolabeled mouse brains to design AI algorithms to detect labeled cells imaged at cellular resolution and generate further algorithms for the segmentation of labeled features imaged at sub-micron resolution. Data from LCT?s Contract Research Organization and academic collaborations will be continually fed back to improve and expand the library of detection algorithms available within SmartAnalytics, and these developments will drive further customer adoption and enhancement of future versions of the software. SmartAnalytics will guide users through model application, quality-control testing, and the generation of output products such as figures and summary statistics. In summary, SmartAnalytics will be an evolving and user- friendly workflow execution program that enables neuroscientists to take full advantage of their 3D image data, driving new discoveries in brain function, development and disease.

Public Health Relevance

. The ability to readily and accurately quantify proteomic expression patterns that define neural cell- type specific distributions and morphologies across intact brains will enable unprecedented and unbiased insights into studies of brain function. LifeCanvas Technologies? state-of-the-art tissue processing pipeline provides uniform clearing, labeling, and imaging of whole brains at cellular and sub-cellular resolution. By developing Artificial Intelligence algorithms to detect labeled cells and determine morphologies and by packaging these algorithms in a user-friendly software ?SmartAnalytics?, LifeCanvas will enable neuroscientists to quantify image data and derive critical results towards a more complete understanding of brain function in development, health and disease.

National Institute of Health (NIH)
National Institute of Mental Health (NIMH)
Small Business Innovation Research Grants (SBIR) - Phase I (R43)
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Special Emphasis Panel (ZRG1)
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Grabb, Margaret C
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Lifecanvas Technologies, Inc.
United States
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