Live-cell imaging is a powerful tool for the investigation of different steps of the life and fate of single cells and cell populations. In this chapter, we describe how to perform live-cell imaging in tissue culture cells and the subsequent image analysis to precisely characterize the cytological events occurring during mitotic exit and nuclear reformation.
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Stilbene-based fluorescent chemosensor for selective detection of cyanide ion in DMSO medium and its application in cell-imaging, fingerprint, and food sample analysis.
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Cancer Nanomedicine Lab, Department of Zoology, Periyar University, Salem, TN, India.
We designed a new cyanide sensing probe by one-step synthesis and evaluated it using UV-vis and fluorescent techniques. The active moiety of (Z)-3-(4-(methylthio) phenyl)-2-(4-nitrophenyl) acrylonitrile (NCS) demonstrated fluorescence. The probe NCS showed turn-off fluorescence in the presence of cyanide (CN¯), which has a higher selectivity and sensitivity than other anions.
View Article and Find Full Text PDFOptimization of Existing RNA Visualization Methods Reveals Novel Dendritic mRNA Dynamics.
Front Biosci (Landmark Ed)
December 2024
Department of Biological Sciences, Hunter College, City University of New York, New York, NY 10065, USA.
Background: Spatial-temporal control of mRNA translation in dendrites is important for synaptic plasticity. In response to pre-synaptic stimuli, local mRNA translation can be rapidly triggered near stimulated synapses to supply the necessary proteins for synapse maturation or elimination, and 3' untranslated regions (UTRs) are responsible for proper localization of mRNAs in dendrites. Although is a robust technique for analyzing RNA localization in fixed neurons, live-cell imaging of RNA dynamics remains challenging.
View Article and Find Full Text PDFApplication and interpretation of core elements of the 2015 NMOSD diagnostic criteria in routine clinical practice.
Front Immunol
December 2024
Department of Neurology, University of Virginia, Charlottesville, VA, United States.
Background: We evaluated comprehension and application of the 2015 neuromyelitis optica spectrum disorder (NMOSD) criteria core elements by neurologists in Latin America (LATAM) who routinely diagnose and care for NMOSD patients by (i) identifying typical/suggestive NMOSD syndromes, (ii) detecting typical MRI NMOSD lesions and meeting MRI dissemination in space (DIS) criteria, and (iii) evaluating historical symptoms suggestive of NMOSD.
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Glycosylation patterns represent an important signature of cancer cells that can be decoded by glycan-binding proteins, i.e., lectins.
View Article and Find Full Text PDFDevelopment and characterization of fluorescent cholesteryl probes with enhanced solvatochromic and pH-sensitive properties for live-cell imaging.
Sci Rep
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Department of Chemistry and Biochemistry, Charles E. Schmidt College of Science, Florida Atlantic University, 777 Glades Rd, Boca Raton, FL, 33431, USA.
We present novel fluorescent cholesteryl probes (CNDs) with a modular design based on the solvatochromic 1,8-phthalimide scaffold. We have explored how different modules-linkers and head groups-affect the ability of these probes to integrate into lipid membranes and how they distribute intracellularly in mouse astrocytes and fibroblasts targeting lysosomes and lipid droplets. Each compound was assessed for its solvatochromic behavior in organic solvents and model membranes.
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