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3D Biopsies Enable a Better Understanding of Brain Tumors
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3D Biopsies Enable a Better Understanding of Brain Tumors

3D Biopsies Enable a Better Understanding of Brain Tumors
News

3D Biopsies Enable a Better Understanding of Brain Tumors

3D biopsies to better understand brain tumors. Credit: INc-UAB
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Researchers at the Institut de Neurociències of the Universitat Autònoma de Barcelona (INc-UAB) obtained a highly accurate recreation of human glioblastoma's features using a novel 3D microscopy analysis. The study, published in the journal Acta Neuropathologica Communications, provides new information to help with the diagnose, by finding therapeutical targets and designing immunotherapeutical strategies.

This new analysis of 3D images and quantitative data "will help to appreciate from within how the tumor is built in its full dimensionality, and to identify where different cell types are located", explains George Paul Cribaro, first author of the study. "It provides more complete information than the usual 2D analyses performed for neuropathological diagnosis"

With this new approach, authors show the alterations in tumor blood vessels, and that these vascular wall abnormalities do not hinder the entrance of lymphocytes T (potential defense against tumoral cells), which is relevant for the design and use of immunotherapies targeting malignant cells.

Moreover, the images allow the tumor to be differentiated into two areas, the tumor tissue properly speaking, and the stroma, which gives support to the tumor, in which there are different immunological microenvironments. "Immune cells like microglia and macrophages are seen in both areas, but they are shaped by different subpopulations. This local and populational differentiation could be an important factor that may help diagnosis and aid in the search for new therapeutic targets", indicates Carlos Barcia, coordinator of the work.

The work provides a set of resource images that will facilitate the understanding of the complexity of this tumor, showing some aspects to be considered when designing new therapeutic approaches.

Reference: Cribaro GP, Saavedra-López E, Romarate L, et al. Three-dimensional vascular microenvironment landscape in human glioblastoma. Acta Neuropathol. Commun. 2021;9(1):24. doi:10.1186/s40478-020-01115-0

This article has been republished from the following materials. Note: material may have been edited for length and content. For further information, please contact the cited source.

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