Smoothened Egfp Localization
Smoothened Egfp Localization - Related Videos
11:43
Easy Measurement of Diffusion Coefficients of EGFP-tagged Plasma Membrane Proteins Using k-Space Image Correlation Spectroscopy
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Cited by 37 •
2014
This paper provides a step by step guide to the fluctuation analysis technique k-Space Image Correlation Spectroscopy (kICS) for measuring diffusion coefficients of fluorescently labeled plasma membrane proteins in live mammalian cells.
10:03
Development of Leishmania Species Strains with Constitutive Expression of eGFP
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2023
Here, we describe the methodology used for generating L. panamensis and L. donovani strains expressing the gene for eGFP as a stable integrated transgene using the pLEXSY system. Transfected parasites were cloned by limiting dilution, and clones with the highest fluorescence intensity in both species were selected for further use in drug screening assays.
12:09
Transient Expression and Cellular Localization of Recombinant Proteins in Cultured Insect Cells
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Cited by 6 •
2017
Nonlytic insect cell expression systems are underutilized for production, cellular trafficking/localization, and recombinant protein functional analysis. Here, we describe methods to generate expression vectors and subsequent transient protein expression in commercially available lepidopteran cell lines. The co-localization of Bemisia tabaci aquaporins with subcellular fluorescent marker proteins is also presented.
13:08
Quantitative Localization of a Golgi Protein by Imaging Its Center of Fluorescence Mass
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Cited by 17 •
2017
The precise localization of Golgi residents is essential for understanding the cellular functions of the Golgi. However, conventional optical microscopy is unable to resolve the sub-Golgi structure. Here we describe the protocol for a conventional microscopy based super-resolution method to quantitatively determine the sub-Golgi localization of a protein.
10:20
Studying Membrane Protein Trafficking in Drosophila Photoreceptor Cells Using eGFP-Tagged Proteins
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Cited by 1 •
2022
Here, non-invasive methods are described for localization of photoreceptor membrane proteins and assessment of retinal degeneration in the Drosophila compound eye using eGFP fluorescence.
FAQs
The key readout is where the fluorescent Smoothened signal appears inside a living cell, especially whether it is detected at the primary cilium. Comparing that distribution before and after Hedgehog pathway stimulation or inhibition links receptor trafficking with pathway state. This makes localization measurement a cellular readout for pathway activity.
Stimulation and inhibition serve as contrasting conditions for interpreting Smoothened distribution. A shift in the EGFP signal at the primary cilium after stimulation can be evaluated against the pattern produced when signaling is inhibited. This paired comparison helps distinguish condition-associated localization changes from a single, uncontextualized fluorescence image.
Because the primary cilium is a focal site for examining Smoothened distribution, tracking the EGFP signal there gives researchers a way to assess how Hedgehog signaling responds to pathway manipulation. In neuroscience experiments, the ciliary signal can connect receptor redistribution with questions about neural development, progenitor-cell behavior, axon patterning, or neuronal function.
An experiment begins by expressing a Smoothened-EGFP fusion in living cells, then imaging the cells with fluorescence microscopy. Researchers record the receptor's subcellular distribution and compare images collected under pathway stimulation and inhibition. The resulting patterns can be used as localization measurements rather than as a standalone description of protein expression.
This approach is suited to experiments that ask whether a compound alters Hedgehog signaling at the cellular level. It can also support studies of developmental disorders by showing how Smoothened distribution changes under relevant experimental conditions. In neural systems, the same readout helps relate pathway regulation to progenitor behavior, axon patterning, and neuronal function.
By providing a cellular readout of Hedgehog pathway state, the assay can be placed alongside questions about neural development rather than treated as an isolated imaging result. Researchers can examine whether altered Smoothened distribution accompanies changes in progenitor-cell behavior, axon patterning, or neuronal function, helping connect subcellular signaling events with neuroscience phenotypes.