Current progress in expansion microscopy: chemical strategies and applications

G Wen, V Leen, T Rohand, M Sauer… - Chemical …, 2023 - ACS Publications
Expansion microscopy (ExM) is a newly developed super-resolution technique, allowing
visualization of biological targets at nanoscale resolution on conventional fluorescence …

[HTML][HTML] Expansion microscopy: A chemical approach for super-resolution microscopy

Y Zhuang, X Shi - Current opinion in structural biology, 2023 - Elsevier
Super-resolution microscopy is a series of imaging techniques that bypass the diffraction
limit of resolution. Since the 1990s, optical approaches, such as single-molecular …

[HTML][HTML] Magnify is a universal molecular anchoring strategy for expansion microscopy

A Klimas, BR Gallagher, P Wijesekara, S Fekir… - Nature …, 2023 - nature.com
Expansion microscopy enables nanoimaging with conventional microscopes by physically
and isotropically magnifying preserved biological specimens embedded in a crosslinked …

[HTML][HTML] Expanded vacuum-stable gels for multiplexed high-resolution spatial histopathology

Y Bai, B Zhu, JP Oliveria, BJ Cannon… - Nature …, 2023 - nature.com
Cellular organization and functions encompass multiple scales in vivo. Emerging high-plex
imaging technologies are limited in resolving subcellular biomolecular features. Expansion …

Differential nanoscale organization of excitatory synapses onto excitatory vs. inhibitory neurons

PA Dharmasri, AD Levy… - Proceedings of the …, 2024 - National Acad Sciences
A key feature of excitatory synapses is the existence of subsynaptic protein nanoclusters
(NCs) whose precise alignment across the cleft in a transsynaptic nanocolumn influences …

Improved immunostaining of nanostructures and cells in human brain specimens through expansion-mediated protein decrowding

PA Valdes, CC Yu, J Aronson, D Ghosh… - Science translational …, 2024 - science.org
Proteins are densely packed in cells and tissues, where they form complex nanostructures.
Expansion microscopy (ExM) variants have been used to separate proteins from each other …

[HTML][HTML] Expansion microscopy using a single anchor molecule for high-yield multiplexed imaging of proteins and RNAs

Y Cui, G Yang, DR Goodwin, CH O'Flanagan, A Sinha… - Plos one, 2023 - journals.plos.org
Expansion microscopy (ExM), by physically enlarging specimens in an isotropic fashion,
enables nanoimaging on standard light microscopes. Key to existing ExM protocols is the …

[HTML][HTML] Plasticity of postsynaptic nanostructure

WJ Droogers, HD MacGillavry - Molecular and Cellular Neuroscience, 2023 - Elsevier
The postsynaptic density (PSD) of excitatory synapses is built from a wide variety of
scaffolding proteins, receptors, and signaling molecules that collectively orchestrate synaptic …

Adaptation of magnified analysis of the proteome for excitatory synaptic proteins in varied samples and evaluation of cell type-specific distributions

M Delhaye, J LeDue, K Robinson, Q Xu… - Journal of …, 2024 - Soc Neuroscience
Growing evidence suggests a remarkable diversity and complexity in the molecular
composition of synapses, forming the basis for the brain to execute complex behaviors …

Molecular Decrowding by Tissue Expansion Allows Precise Determination of the Spatial Distribution of Synaptic Proteins at a Nanometer Scale by exTEM

KH Kim, J Yoon, CP Macks, HE Park, J Youn, J Lee… - ACS …, 2023 - ACS Publications
To understand how the molecular machinery of synapses works, it is essential to determine
an inventory of synaptic proteins at a subsynaptic resolution. Nevertheless, synaptic proteins …