Immunogold FIB-SEM: Combining Volumetric Ultrastructure Visualization with 3D Biomolecular Analysis to Dissect Cell-Environment Interactions.
3D reconstruction
FIB-SEM
electron microscopy
image analysis
immunogold
Journal
Advanced materials (Deerfield Beach, Fla.)
ISSN: 1521-4095
Titre abrégé: Adv Mater
Pays: Germany
ID NLM: 9885358
Informations de publication
Date de publication:
Aug 2019
Aug 2019
Historique:
received:
21
01
2019
revised:
20
04
2019
pubmed:
15
6
2019
medline:
19
10
2019
entrez:
15
6
2019
Statut:
ppublish
Résumé
Volumetric imaging techniques capable of correlating structural and functional information with nanoscale resolution are necessary to broaden the insight into cellular processes within complex biological systems. The recent emergence of focused ion beam scanning electron microscopy (FIB-SEM) has provided unparalleled insight through the volumetric investigation of ultrastructure; however, it does not provide biomolecular information at equivalent resolution. Here, immunogold FIB-SEM, which combines antigen labeling with in situ FIB-SEM imaging, is developed in order to spatially map ultrastructural and biomolecular information simultaneously. This method is applied to investigate two different cell-material systems: the localization of histone epigenetic modifications in neural stem cells cultured on microstructured substrates and the distribution of nuclear pore complexes in myoblasts differentiated on a soft hydrogel surface. Immunogold FIB-SEM offers the potential for broad applicability to correlate structure and function with nanoscale resolution when addressing questions across cell biology, biomaterials, and regenerative medicine.
Identifiants
pubmed: 31197896
doi: 10.1002/adma.201900488
pmc: PMC6778054
mid: EMS83593
doi:
Substances chimiques
Dimethylpolysiloxanes
0
Hydrogels
0
baysilon
63148-62-9
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
e1900488Subventions
Organisme : Arthritis Research U.K. Foundation
ID : 21138
Organisme : Medical Research Council
ID : MR/R015651/1
Pays : United Kingdom
Organisme : European Research Council
ID : 616417
Pays : International
Organisme : ERC Seventh Framework Programme Consolidator
ID : 616417
Organisme : Medical Research Council
ID : MR/S00551X/1
Pays : United Kingdom
Organisme : Arthritis Research UK
ID : 21138
Pays : United Kingdom
Organisme : Wellcome Trust Senior Investigator Award
ID : 098411/Z/12/Z
Organisme : Wellcome Trust
ID : 098411
Pays : United Kingdom
Organisme : Versus Arthritis
ID : 21138
Pays : United Kingdom
Organisme : Medical Research Council
ID : MC_PC_16048
Pays : United Kingdom
Organisme : National Centre for the Replacement, Refinement and Reduction of Animals in Research
ID : NC/R001006/1
Pays : United Kingdom
Organisme : Australian Research Council
ID : IC160100026
Organisme : European Commission
ID : PIIF-GA-2011-302638 ERC StG 759577
Organisme : Australian Research Council
ID : DP110103543
Organisme : Royal Society
ID : NF110513
Organisme : Australian Research Council
ID : FT110100166
Organisme : Wellcome Trust
ID : 098411/Z/12/Z
Pays : United Kingdom
Organisme : Seventh Framework Programme
ID : 616417
Informations de copyright
© 2019 The Authors. Published by WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.
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