Reference : A Specialized Method to Resolve Fine 3D Features of Astrocytes in Nonhuman Primate (M...
Scientific journals : Article
Life sciences : Anatomy (cytology, histology, embryology...) & physiology
http://hdl.handle.net/10993/38329
A Specialized Method to Resolve Fine 3D Features of Astrocytes in Nonhuman Primate (Marmoset, Callithrix jacchus) and Human Fixed Brain Samples.
English
Quesseveur, Gael [> >]
Fouquier d'Hérouël, Aymeric mailto [University of Luxembourg > Luxembourg Centre for Systems Biomedicine (LCSB) >]
Murai, Keith K. [> >]
Bouvier, David mailto [University of Luxembourg > Luxembourg Centre for Systems Biomedicine (LCSB) >]
2019
Methods in molecular biology (Clifton, N.J.)
1938
85-95
No
International
1064-3745
1940-6029
United States
[en] 3D ; Antibodies ; Astrocytes ; Confocal microscopy ; Disease ; Human brain ; Immunofluorescence ; Nonhuman primate ; STED
[en] Astrocytes are among the most numerous cells in the brain and fulfill diverse functions in homeostasis and regulation of neuronal activity. Astrocytes also dramatically change their properties in response to brain injury or disease, a process called reactive gliosis. Precisely how astrocytes contribute to healthy brain function and play differential roles in brain pathology and regeneration remain important areas of investigation. To better understand the properties of astrocytes, more sophisticated approaches for probing their rich and complex anatomical and molecular features are needed to fully determine their contribution to brain physiology. Here we present an efficient and straightforward immunolabeling protocol to obtain high-resolution fluorescence-based images from fixed nonhuman primate (common marmoset Callithrix jacchus) and human brain samples. Importantly, the protocol is useful for obtaining images from samples that have been stored in fixative solutions (such as formalin) for years. This approach is especially useful for three-dimensional, multichannel confocal microscopy and can be optimized for super-resolution techniques such as stimulated emission depletion (STED) microscopy. We also present a strategy for using specific combinations of markers to define the phenotypic variations and cellular/subcellular properties of astrocytes to better predict the function of these cells on their surrounding brain microenvironment.
Espoir-en-tête Rotary International ; Fondation Auguste et Simone Prévot ; Fonds de Recherche du Québec-Santé ; Canadian Institutes of Health ; Natural Sciences and Engineering Research Council of Canada ; Canada Research Chairs Program ; Brain Canada ; W. Garfield Weston Foundation
Researchers ; Professionals ; Students
http://hdl.handle.net/10993/38329
10.1007/978-1-4939-9068-9_6

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