Tyrosine Hydroxylase Immunostaining
Tyrosine Hydroxylase Immunostaining - Related Videos
01:26
Receptor Tyrosine Kinases
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2025
Receptor tyrosine kinases or RTKs are membrane-bound receptors that phosphorylate specific tyrosine on protein substrates. RTKs regulate cellular growth, differentiation, survival, and migration. They contain an extracellular ligand binding domain, a transmembrane domain, and a cytosolic tail with intrinsic kinase activity. Several extracellular signaling molecules activate RTKs in one or more ways and relay the signal downstream. Ligands such as platelet-derived growth factor (PDGF) or...
10:49
Pre-clinical Evaluation of Tyrosine Kinase Inhibitors for Treatment of Acute Leukemia
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Cited by 6 •
2013
Receptor tyrosine kinases are ectopically expressed in many cancers and have been identified as therapeutic targets in acute leukemia. This manuscript describes an efficient strategy for pre-clinical evaluation of tyrosine kinase inhibitors for the treatment of acute leukemia.
04:08
Fluorescence Immunostaining of Cerebellar Organoid Slices
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2025
This video demonstrates the immunofluorescence staining of cerebellar organoid slices to identify specific target antigens expressed in various cerebellar neurons, which are indicative of organoid maturation.
06:56
Development and Application of Rapamycin-regulated Tyrosine Phosphatases
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2024
This protocol describes the design, creation, and application of rapamycin-regulated phosphatases. This method provides high specificity and tight temporal control of phosphatase activation in living cells.
03:39
Immunostaining of Cells Encapsulated in a 3D Hydrogel System
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2025
This video demonstrates a technique for immunostaining cells encapsulated in a 3D hydrogel. The hydrogel culture containing neural progenitor cells is fixed, permeabilized, and treated with a blocking solution to prevent non-specific immunostaining. A primary antibody cocktail is added to bind specific proteins, followed by fluorescently labeled secondary antibodies and a nuclear stain. The sample is then mounted on a slide and observed under a confocal microscope.
FAQs
In fixed nervous tissue, the primary antibody recognizes tyrosine hydroxylase, and a labeled secondary antibody binds the primary antibody to create a detectable readout. The label can generate fluorescence or a chromogenic signal at antibody-bound sites. This converts molecular recognition into a spatial image, allowing investigators to examine where immunoreactivity occurs and the morphology of labeled cells and fibers.
Tyrosine hydroxylase is useful as a neural marker because it is the rate-limiting enzyme in catecholamine synthesis. Its distribution can help investigators identify catecholaminergic structures, including dopaminergic and noradrenergic neurons, and follow their projections. This makes the signal informative for studying the organization of catecholamine systems across brain regions.
Fluorescent and chromogenic formats provide different visual readouts of the same antibody-targeting strategy. Fluorescence reveals labeled structures through a fluorescent signal, whereas chromogenic detection produces a visible reaction product. Either format can support examination of tyrosine hydroxylase-positive cell bodies, fibers, and regional distributions, while differing in how the stained structures are visualized and recorded.
A basic workflow begins with fixed nervous tissue, followed by exposure to a primary antibody directed against tyrosine hydroxylase. A labeled secondary antibody is then applied so bound primary antibodies become detectable. The final fluorescent or chromogenic readout is examined for the distribution and morphology of immunoreactive structures, producing images suitable for anatomical interpretation.
Image-based analysis can turn staining patterns into comparative measurements, including cell number, staining intensity, and fiber density. Investigators can evaluate these features across brain regions or experimental conditions, using the staining readout to describe changes in catecholaminergic systems. These measurements extend interpretation beyond visual presence alone and support structured comparisons between samples.
Neuroscience studies can apply Tyrosine Hydroxylase Immunostaining when they need to examine catecholaminergic organization or its alteration after injury, disease, development, or experimental treatment. Mapping labeled projections can reveal how fibers are distributed, while regional counts, intensity, or density measurements can show differences between conditions and connect cellular localization with experimental outcomes.