Optical clearing in dense connective tissues to visualize cellular connectivity in situ.

Visualizing the three-dimensional morphology and spatial patterning of cells embedded deep within dense connective tissues of the musculoskeletal system has been possible only by utilizing destructive techniques. Here we utilize fructose-based clearing solutions to image cell connectivity and deep t...

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Main Authors: Sarah Calve, Andrew Ready, Christopher Huppenbauer, Russell Main, Corey P Neu
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2015-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC4291226?pdf=render
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author Sarah Calve
Andrew Ready
Christopher Huppenbauer
Russell Main
Corey P Neu
author_facet Sarah Calve
Andrew Ready
Christopher Huppenbauer
Russell Main
Corey P Neu
author_sort Sarah Calve
collection DOAJ
description Visualizing the three-dimensional morphology and spatial patterning of cells embedded deep within dense connective tissues of the musculoskeletal system has been possible only by utilizing destructive techniques. Here we utilize fructose-based clearing solutions to image cell connectivity and deep tissue-scale patterning in situ by standard confocal microscopy. Optical clearing takes advantage of refractive index matching of tissue and the embedding medium to visualize light transmission through a broad range of bovine and whole mount murine tissues, including cartilage, bone, and ligament, of the head and hindlimb. Using non-destructive methods, we show for the first time intercellular chondrocyte connections throughout the bulk of cartilage, and we reveal in situ patterns of osteocyte processes and the lacunar-canalicular system deep within mineralized cortical bone. Optical clearing of connective tissues is expected to find broad application for the study of cell responses in normal physiology and disease pathology.
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spelling doaj.art-c11a373c1cda4514b77e5fab16e540422022-12-21T18:41:42ZengPublic Library of Science (PLoS)PLoS ONE1932-62032015-01-01101e011666210.1371/journal.pone.0116662Optical clearing in dense connective tissues to visualize cellular connectivity in situ.Sarah CalveAndrew ReadyChristopher HuppenbauerRussell MainCorey P NeuVisualizing the three-dimensional morphology and spatial patterning of cells embedded deep within dense connective tissues of the musculoskeletal system has been possible only by utilizing destructive techniques. Here we utilize fructose-based clearing solutions to image cell connectivity and deep tissue-scale patterning in situ by standard confocal microscopy. Optical clearing takes advantage of refractive index matching of tissue and the embedding medium to visualize light transmission through a broad range of bovine and whole mount murine tissues, including cartilage, bone, and ligament, of the head and hindlimb. Using non-destructive methods, we show for the first time intercellular chondrocyte connections throughout the bulk of cartilage, and we reveal in situ patterns of osteocyte processes and the lacunar-canalicular system deep within mineralized cortical bone. Optical clearing of connective tissues is expected to find broad application for the study of cell responses in normal physiology and disease pathology.http://europepmc.org/articles/PMC4291226?pdf=render
spellingShingle Sarah Calve
Andrew Ready
Christopher Huppenbauer
Russell Main
Corey P Neu
Optical clearing in dense connective tissues to visualize cellular connectivity in situ.
PLoS ONE
title Optical clearing in dense connective tissues to visualize cellular connectivity in situ.
title_full Optical clearing in dense connective tissues to visualize cellular connectivity in situ.
title_fullStr Optical clearing in dense connective tissues to visualize cellular connectivity in situ.
title_full_unstemmed Optical clearing in dense connective tissues to visualize cellular connectivity in situ.
title_short Optical clearing in dense connective tissues to visualize cellular connectivity in situ.
title_sort optical clearing in dense connective tissues to visualize cellular connectivity in situ
url http://europepmc.org/articles/PMC4291226?pdf=render
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