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| Open AccessCyclic microchip assay for measurement of hundreds of functional proteins in single neurons
Current single-cell tools are limited by the number of proteins they can analyse. Here the authors report a single-cell cyclic multiplex in situ tagging (CycMIST) method for functional proteome profiling of single cells, allowing multiple rounds of multiplexing of the same single cells on a microchip.
- Liwei Yang
- , Avery Ball
- & Jun Wang
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Article
| Open AccessPhase separation and zinc-induced transition modulate synaptic distribution and association of autism-linked CTTNBP2 and SHANK3
Autism impacts synapses. This study reports that autism-linked mutations of CTTNBP2 regulate phase separation to control synaptic enrichment of that protein. A zinc-induced liquid-to-gel transition improves synaptic retention of CTTNBP2 and SHANK3.
- Pu-Yun Shih
- , Yu-Lun Fang
- & Yi-Ping Hsueh
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Article
| Open AccessPICASSO allows ultra-multiplexed fluorescence imaging of spatially overlapping proteins without reference spectra measurements
Ultra-multiplexed fluorescence imaging is currently difficult. Here the authors report PICASSO which enables 15-colour imaging of spatially overlapping proteins in a single-round of imaging; they combine it with cyclic immunofluorescence to achieve 45-colour imaging of the mouse brain in 3 cycles.
- Junyoung Seo
- , Yeonbo Sim
- & Jae-Byum Chang
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Article
| Open AccessLight microscopy based approach for mapping connectivity with molecular specificity
Mapping neuroanatomy is a foundational goal of connectomics, and the gold standard method is electron microscopy as light microscopy lacks nanoscale resolution. Here the authors develop a strategy using multicolor genetic labeling (Brainbow) and expansion microscopy to map putative synaptic connections using light microscopy.
- Fred Y. Shen
- , Margaret M. Harrington
- & Dawen Cai
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Article
| Open AccessCombining discovery and targeted proteomics reveals a prognostic signature in oral cancer
Oral cancer has region-specific histopathological and molecular characteristics, complicating its classification by the standard tumor-node-metastasis system. Here, the authors combine discovery and targeted proteomics with IHC to identify region-specific and saliva biomarkers for oral cancer prognosis.
- Carolina Moretto Carnielli
- , Carolina Carneiro Soares Macedo
- & Adriana Franco Paes Leme
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Article
| Open AccessNext generation histology methods for three-dimensional imaging of fresh and archival human brain tissues
Current available tissue clearing techniques are mostly used for rodent tissues. Here, the authors develop OPTIClear solution for fresh and archival human brain tissue clearing and establish associated protocols for three-dimensional histological investigations.
- Hei Ming Lai
- , Alan King Lun Liu
- & Steve M. Gentleman
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Article
| Open AccessInsufficient antibody validation challenges oestrogen receptor beta research
A large body of work into the role of oestrogen receptor b (ERb) in breast cancer is contradictory, hindering future progress. Here the authors conduct extensive validation of anti-ERb antibodies , and show that normal and cancerous breast tissue do not express ERb, consistent with RNA-seq data.
- Sandra Andersson
- , Mårten Sundberg
- & Anna Asplund
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| Open AccessDigital microfluidic immunocytochemistry in single cells
The ability to measure signalling responses in single cells following short pulses of stimulus would shed insight into temporal thresholds for cell activation. Here the authors introduce a microfluidic platform that allows downstream phosphorylation cascades to be observed following as little as one second of stimulus exposure.
- Alphonsus H. C. Ng
- , M. Dean Chamberlain
- & Aaron R. Wheeler
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In vivo imaging and histochemistry are combined in the cryosection labelling and intravital microscopy technique
Imaging cells within live animals is important in biomedical research, but this process is limited by the availability of probes. Ritsma et al.combine intravital microscopy with immunohistochemistry to increase the panel of available reagents and examine the role of T cells in the migration of breast cancer cells.
- Laila Ritsma
- , Nienke Vrisekoop
- & Jacco van Rheenen