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Contents tagged “morphometry”

There are 4 contents with the tag “morphometry”:

  1. A combined morphometric and statistical approach to assess non-monotonicity in the developing mammary gland of rats in the CLARITY-BPA study

    A combined morphometric and statistical approach to assess non-monotonicity in the developing mammary gland of rats in the CLARITY-BPA study

    Environmental Health Perspectives


    We can and should take advantage of nonmonotonic properties to perform statistical analysis rigorously by new statistical and morphometric methods.

    Manuscript Supplementary Citation Publisher Full text

    Abstract:

    We aimed to a) determine whether BPA showed effects on the developing rat mammary gland using new quantitative and established semiquantitative methods in two laboratories, b) develop a software tool for automatic evaluation of quantifiable aspects of the mammary ductal tree, and c) compare those methods. Conclusions: Both the semiquantitative and the quantitative methods revealed nonmonotonic effects of BPA. The quantitative unsupervised analysis used 91 measurements and produced the most striking nonmonotonic dose–response curves. At all time points, lower doses resulted in larger effects, consistent with the core study, which revealed a significant increase of mammary adenocarcinoma incidence in the stop-dose animals at the lowest BPA dose tested.

    Citation:

    Montévil, Maël, Nicole Acevedo, Cheryl M. Schaeberle, Manushree Bharadwaj, Suzanne E. Fenton, and Ana M. Soto. 2020. “A Combined Morphometric and Statistical Approach to Assess Non-Monotonicity in the Developing Mammary Gland of Rats in the CLARITY-BPA Study.” Environmental Health Perspectives 128 (5): 057001. https://doi.org/10.1289/EHP6301

  2. NTP. CLARITY-BPA. Chemical Effects in Biological Systems (CEBS): Mammary Gland

    NTP. CLARITY-BPA. Chemical Effects in Biological Systems (CEBS): Mammary Gland


    Citation Publisher Details

    Citation:

    Montévil, Maël, Nicole Acevedo, Cheryl M. Schaeberle, Manushree Bharadwaj, Suzanne E. Fenton, and Ana M. Soto. 2018. “NTP. CLARITY-BPA. Chemical Effects in Biological Systems (CEBS): Mammary Gland.” Dataset. National Toxicology Program (NTP). https://doi.org/10.22427/NTP-DATA-018-00014-0001-000-5

  3. SAMA: A Method for 3D Morphological Analysis

    SAMA: A Method for 3D Morphological Analysis

    PLoS ONE


    Software for Automated Morphological Analysis is a method by which epithelial structures grown in 3D cultures can be imaged, reconstructed and analyzed.

    Manuscript Citation Publisher Full text

    Abstract:

    Three-dimensional (3D) culture models are critical tools for understanding tissue morphogenesis. A key requirement for their analysis is the ability to reconstruct the tissue into computational models that allow quantitative evaluation of the formed structures. Here, we present Software for Automated Morphological Analysis (SAMA), a method by which epithelial structures grown in 3D cultures can be imaged, reconstructed and analyzed with minimum human intervention. SAMA allows quantitative analysis of key features of epithelial morphogenesis such as ductal elongation, branching and lumen formation that distinguish different hormonal treatments. SAMA is a user-friendly set of customized macros operated via FIJI (http://fiji.sc/Fiji), an open-source image analysis platform in combination with a set of functions in R (http://www.r-project.org/), an open-source program for statistical analysis. SAMA enables a rapid, exhaustive and quantitative 3D analysis of the shape of a population of structures in a 3D image. SAMA is cross-platform, licensed under the GPLv3 and available at http://montevil.theobio.org/content/sama.

    Keywords: Open source software, Image analysis, Ellipsoids, Morphogenesis, Computer software, Morphometry, Image processing, Branching morphogenesis

    Citation:

    Paulose, Tessie, Maël Montévil, Lucia Speroni, Florent Cerruti, Carlos Sonnenschein, and Ana M. Soto. 2016. “SAMA: A Method for 3D Morphological Analysis.” Edited by Tiffany Seagroves. PLoS ONE 11 (4): 1–14. https://doi.org/10.1371/journal.pone.0153022

  4. Documentation for SAMA: A Method for 3D Morphological Analysis

    Documentation for SAMA: A Method for 3D Morphological Analysis

    PLoS ONE


    Documentation for Software for Automated Morphological Analysis, a method by which epithelial structures grown in 3D cultures can be imaged, reconstructed and analyzed.

    Manuscript Citation Publisher Details

    Abstract:

    Three-dimensional (3D) culture models are critical tools for understanding tissue morphogenesis. A key requirement for their analysis is the ability to reconstruct the tissue into computational models that allow quantitative evaluation of the formed structures. Here, we present Software for Automated Morphological Analysis (SAMA), a method by which epithelial structures grown in 3D cultures can be imaged, reconstructed and analyzed with minimum human intervention. SAMA allows quantitative analysis of key features of epithelial morphogenesis such as ductal elongation, branching and lumen formation that distinguish different hormonal treatments. SAMA is a user-friendly set of customized macros operated via FIJI (http://fiji.sc/Fiji), an open-source image analysis platform in combination with a set of functions in R (http://www.r-project.org/), an open-source program for statistical analysis. SAMA enables a rapid, exhaustive and quantitative 3D analysis of the shape of a population of structures in a 3D image. SAMA is cross-platform, licensed under the GPLv3 and available at http://montevil.theobio.org/content/sama.

    Keywords: Open source software, Image analysis, Ellipsoids, Morphogenesis, Computer software, Morphometry, Image processing, Branching morphogenesis

    Citation:

    Paulose, Tessie, Maël Montévil, Lucia Speroni, Florent Cerruti, Carlos Sonnenschein, and Ana M. Soto. 2016. “SAMA: A Method for 3D Morphological Analysis.” Edited by Tiffany Seagroves. PLoS ONE 11 (4): 1–14. https://doi.org/10.1371/journal.pone.0153022

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