Tdp-43 Protein Expression
Tdp-43 Protein Expression - Related Videos
13:31
Novel Atomic Force Microscopy Based Biopanning for Isolation of Morphology Specific Reagents against TDP-43 Variants in Amyotrophic Lateral Sclerosis
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Cited by 17 •
2015
Using atomic force microscopy in combination with biopanning technology we created a negative and positive biopanning system to acquire antibodies against disease-specific protein variants present in any biological material, even at low concentrations. We were successful in obtaining antibodies to TDP-43 protein variants involved in Amyotrophic Lateral Sclerosis.
07:07
Measuring Glucose Uptake in Drosophila Models of TDP-43 Proteinopathy
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Cited by 3 •
2021
Glucose uptake is increased in Drosophila motor neurons affected by TAR DNA binding protein (TDP-43) proteinopathy, as indicated by a FRET-based, genetically encoded glucose sensor.
07:14
Optogenetic Phase Transition of TDP-43 in Spinal Motor Neurons of Zebrafish Larvae
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2022
We describe a protocol to induce phase transition of TAR DNA-binding protein 43 (TDP-43) by light in the spinal motor neurons using zebrafish as a model.
08:46
Green Fluorescent Protein-based Expression Screening of Membrane Proteins in Escherichia coli
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Cited by 34 •
2015
A streamlined approach to screening for the expression of recombinant membrane proteins in Escherichia coli based on fusion to green fluorescent protein is presented.
07:47
Staining of Proteins in Gels with Coomassie G-250 without Organic Solvent and Acetic Acid
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Cited by 94 •
2009
A short protocol for protein staining with Coomassie Brilliant Blue (CBB) G-250 in polyacrylamide gels is described without using organic solvents or acetic acid as in the classical staining procedures with CBB.
FAQs
TDP-43 participates in regulating its own expression, so its abundance reflects more than the initial transcription of TARDBP and translation of its messenger RNA. This self-regulatory property makes TDP-43 expression useful for investigating how cells maintain protein levels and how that control may change when neuronal conditions become abnormal.
Nuclear localization places TDP-43 where it can support RNA splicing, transport, stability, and related gene-expression processes. When cellular stress promotes nuclear depletion, these normal nuclear functions may be disrupted while abnormal cytoplasmic accumulation becomes more prominent. Examining localization therefore adds functional context beyond simply measuring total protein abundance.
Cellular stress can shift TDP-43 from its usual nuclear distribution toward cytoplasmic mislocalization and aggregation. These changes are important because they connect altered protein distribution with potential loss of normal nuclear activity and abnormal accumulation. Neuroscience experiments can therefore compare TDP-43 under baseline and stressed conditions to study how neuronal protein regulation changes.
Expression describes the production and abundance of TDP-43, whereas mislocalization describes where the protein is found within the cell. A study may detect altered abundance, abnormal nuclear depletion, cytoplasmic redistribution, or aggregation as separate features. Distinguishing these outcomes helps determine whether a neuronal phenotype relates primarily to protein quantity, cellular location, or both.
Measuring TDP-43 expression provides information about the protein's production and abundance in a neuronal system. Interpreted alongside its cellular distribution, these measurements can help researchers evaluate whether experimental conditions affect normal RNA-related functions or coincide with abnormal accumulation. The results support mechanistic studies of neuronal function and disease-associated TDP-43 biology.
In studies of amyotrophic lateral sclerosis and frontotemporal dementia, researchers measure or manipulate TDP-43 expression to examine its relationship to neuronal dysfunction and neurodegeneration. Comparing expression with nuclear depletion, cytoplasmic mislocalization, or aggregation can help clarify which aspects of abnormal TDP-43 biology accompany disease-related changes and may represent useful therapeutic targets.
Manipulation allows researchers to test whether changing TDP-43 levels influences neuronal function or disease-related features, while measurement alone primarily describes its abundance. Used together, these approaches can distinguish an association from a possible functional contribution. This experimental logic supports investigation of abnormal TDP-43 biology and the development of potential therapeutic strategies.
TDP-43 protein expression studies help connect gene transcription, messenger RNA translation, RNA regulation, cellular stress, and protein distribution with neurodegenerative disease. They can address how altered TDP-43 biology affects neurons and whether correcting abnormal expression, localization, or aggregation could have therapeutic value. This makes the topic relevant to both basic neuroscience and disease-focused research.