Comparison of Different Tissue Clearing Methods for Three-Dimensional Reconstruction of Human Brain Cellular Anatomy Using Advanced Imaging Techniques

The combination of tissue clearing techniques with advanced optical microscopy facilitates the achievement of three-dimensional (3D) reconstruction of macroscopic specimens at high resolution. Whole mouse organs or even bodies have been analyzed, while the reconstruction of the human nervous system...

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Autores principales: Marina Scardigli, Luca Pesce, Niamh Brady, Giacomo Mazzamuto, Vladislav Gavryusev, Ludovico Silvestri, Patrick R. Hof, Christophe Destrieux, Irene Costantini, Francesco S. Pavone
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Publicado: Frontiers Media S.A. 2021
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spelling oai:doaj.org-article:7792613291ca417ab4f5bdea086531692021-11-11T14:16:23ZComparison of Different Tissue Clearing Methods for Three-Dimensional Reconstruction of Human Brain Cellular Anatomy Using Advanced Imaging Techniques1662-512910.3389/fnana.2021.752234https://doaj.org/article/7792613291ca417ab4f5bdea086531692021-11-01T00:00:00Zhttps://www.frontiersin.org/articles/10.3389/fnana.2021.752234/fullhttps://doaj.org/toc/1662-5129The combination of tissue clearing techniques with advanced optical microscopy facilitates the achievement of three-dimensional (3D) reconstruction of macroscopic specimens at high resolution. Whole mouse organs or even bodies have been analyzed, while the reconstruction of the human nervous system remains a challenge. Although several tissue protocols have been proposed, the high autofluorescence and variable post-mortem conditions of human specimens negatively affect the quality of the images in terms of achievable transparency and staining contrast. Moreover, homogeneous staining of high-density epitopes, such as neuronal nuclear antigen (NeuN), creates an additional challenge. Here, we evaluated different tissue transformation approaches to find the best solution to uniformly clear and label all neurons in the human cerebral cortex using anti-NeuN antibodies in combination with confocal and light-sheet fluorescence microscopy (LSFM). Finally, we performed mesoscopic high-resolution 3D reconstruction of the successfully clarified and stained samples with LSFM.Marina ScardigliMarina ScardigliLuca PesceLuca PesceNiamh BradyGiacomo MazzamutoGiacomo MazzamutoVladislav GavryusevVladislav GavryusevLudovico SilvestriLudovico SilvestriLudovico SilvestriPatrick R. HofChristophe DestrieuxIrene CostantiniIrene CostantiniIrene CostantiniFrancesco S. PavoneFrancesco S. PavoneFrancesco S. PavoneFrontiers Media S.A.articleclearing techniquesoptical microscopyimmunofluorescencelight-sheet fluorescence microscopyexpansion microscopyNeurosciences. Biological psychiatry. NeuropsychiatryRC321-571Human anatomyQM1-695ENFrontiers in Neuroanatomy, Vol 15 (2021)
institution DOAJ
collection DOAJ
language EN
topic clearing techniques
optical microscopy
immunofluorescence
light-sheet fluorescence microscopy
expansion microscopy
Neurosciences. Biological psychiatry. Neuropsychiatry
RC321-571
Human anatomy
QM1-695
spellingShingle clearing techniques
optical microscopy
immunofluorescence
light-sheet fluorescence microscopy
expansion microscopy
Neurosciences. Biological psychiatry. Neuropsychiatry
RC321-571
Human anatomy
QM1-695
Marina Scardigli
Marina Scardigli
Luca Pesce
Luca Pesce
Niamh Brady
Giacomo Mazzamuto
Giacomo Mazzamuto
Vladislav Gavryusev
Vladislav Gavryusev
Ludovico Silvestri
Ludovico Silvestri
Ludovico Silvestri
Patrick R. Hof
Christophe Destrieux
Irene Costantini
Irene Costantini
Irene Costantini
Francesco S. Pavone
Francesco S. Pavone
Francesco S. Pavone
Comparison of Different Tissue Clearing Methods for Three-Dimensional Reconstruction of Human Brain Cellular Anatomy Using Advanced Imaging Techniques
description The combination of tissue clearing techniques with advanced optical microscopy facilitates the achievement of three-dimensional (3D) reconstruction of macroscopic specimens at high resolution. Whole mouse organs or even bodies have been analyzed, while the reconstruction of the human nervous system remains a challenge. Although several tissue protocols have been proposed, the high autofluorescence and variable post-mortem conditions of human specimens negatively affect the quality of the images in terms of achievable transparency and staining contrast. Moreover, homogeneous staining of high-density epitopes, such as neuronal nuclear antigen (NeuN), creates an additional challenge. Here, we evaluated different tissue transformation approaches to find the best solution to uniformly clear and label all neurons in the human cerebral cortex using anti-NeuN antibodies in combination with confocal and light-sheet fluorescence microscopy (LSFM). Finally, we performed mesoscopic high-resolution 3D reconstruction of the successfully clarified and stained samples with LSFM.
format article
author Marina Scardigli
Marina Scardigli
Luca Pesce
Luca Pesce
Niamh Brady
Giacomo Mazzamuto
Giacomo Mazzamuto
Vladislav Gavryusev
Vladislav Gavryusev
Ludovico Silvestri
Ludovico Silvestri
Ludovico Silvestri
Patrick R. Hof
Christophe Destrieux
Irene Costantini
Irene Costantini
Irene Costantini
Francesco S. Pavone
Francesco S. Pavone
Francesco S. Pavone
author_facet Marina Scardigli
Marina Scardigli
Luca Pesce
Luca Pesce
Niamh Brady
Giacomo Mazzamuto
Giacomo Mazzamuto
Vladislav Gavryusev
Vladislav Gavryusev
Ludovico Silvestri
Ludovico Silvestri
Ludovico Silvestri
Patrick R. Hof
Christophe Destrieux
Irene Costantini
Irene Costantini
Irene Costantini
Francesco S. Pavone
Francesco S. Pavone
Francesco S. Pavone
author_sort Marina Scardigli
title Comparison of Different Tissue Clearing Methods for Three-Dimensional Reconstruction of Human Brain Cellular Anatomy Using Advanced Imaging Techniques
title_short Comparison of Different Tissue Clearing Methods for Three-Dimensional Reconstruction of Human Brain Cellular Anatomy Using Advanced Imaging Techniques
title_full Comparison of Different Tissue Clearing Methods for Three-Dimensional Reconstruction of Human Brain Cellular Anatomy Using Advanced Imaging Techniques
title_fullStr Comparison of Different Tissue Clearing Methods for Three-Dimensional Reconstruction of Human Brain Cellular Anatomy Using Advanced Imaging Techniques
title_full_unstemmed Comparison of Different Tissue Clearing Methods for Three-Dimensional Reconstruction of Human Brain Cellular Anatomy Using Advanced Imaging Techniques
title_sort comparison of different tissue clearing methods for three-dimensional reconstruction of human brain cellular anatomy using advanced imaging techniques
publisher Frontiers Media S.A.
publishDate 2021
url https://doaj.org/article/7792613291ca417ab4f5bdea08653169
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