Core Target Proteins
Core Target Proteins - Related Videos
02:10
The Nucleosome Core Particle
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2020
Nucleosomes are the DNA-histone complex, where the DNA strand is wound around the histone core. The histone core is an octamer containing two copies of H2A, H2B, H3, and H4 histone proteins. The paradox Nucleosomes, paradoxically, perform two opposite functions simultaneously. On the one hand, their main responsibility is to protect the delicate DNA strands from physical damage and help achieve a higher compaction ratio. While on the other hand, they must allow polymerase enzymes to access DNA...
05:22
Using Phage Display to Select Proteins with High Affinity to a Target Protein
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2025
In this video, we demonstrate the phage display technique to isolate pre-engineered phages expressing proteins with high affinity to the target protein.
02:23
Visualizing the Effect of pH on Solubilization of the Influenza A Viral Core
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2026
Source: Stauffer, S. et al., In Vitro Disassembly of Influenza A Virus Capsids by Gradient Centrifugation. J. Vis. Exp. (2016)This video demonstrates the effect of pH on the solubilization of influenza A viral cores. Gel electrophoresis and protein staining reveal the progressive disassembly of the core structure under acidic conditions.
03:52
Immunofluorescence Assay to Evaluate Effect of Target Proteins on Neurite Outgrowth
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2025
In this video, we demonstrate an EGFP-based immunofluorescence assay to identify the efficacy of target proteins on the neurite outgrowth of primary cortical neurons. The primary neurons are transfected with a fluorescent protein, EGFP, and a target protein, and then an immunoassay is performed to investigate the effect of the target protein on neurite outgrowth.
05:16
Assessing the Internalization of Target Surface Proteins Using a Biotin Derivative
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2025
This video demonstrates a method to assess target protein internalization in the mouse cortical astrocytes using biotinylation, followed by cell lysis, streptavidin-based protein extraction, denaturation, and Western blot analysis to confirm successful internalization.
FAQs
The biological effect depends on where an agent binds and whether that interaction changes the protein’s activity or its ability to interact with other proteins. These changes can redirect downstream signaling and cellular responses rather than acting as isolated molecular events. Mapping those consequences helps researchers connect a target-level intervention with disease-related effects and potential therapeutic outcomes.
Downstream signaling shows how a change at one protein can propagate through a cell. Researchers can examine whether modifying a candidate protein produces responses consistent with the disease mechanism, and whether those responses explain treatment benefits or unwanted effects. This systems-level view strengthens target evaluation because binding alone does not establish that the intervention will produce a useful medical result.
A candidate becomes more compelling when its relationship to the disease process is sufficiently clear and its activity can be influenced by a therapeutic agent. Researchers also consider whether molecular changes can be connected to downstream responses, biomarkers, or treatment effects. These links help prioritize candidates for drug discovery and subsequent validation instead of relying only on association with disease.
Analyzing the target and its connected protein interactions or signaling responses can reveal effects beyond the intended therapeutic benefit. If altering the same molecular system affects multiple cellular responses, those changes may help researchers interpret unwanted outcomes alongside clinical or experimental benefits. This information supports refinement of treatment strategies and more precise assessment of how an agent acts.
Researchers first connect molecular proteins to the disease process, then prioritize candidates as possible intervention points. They examine how compounds, antibodies, or other agents interact with the proteins and whether those interactions alter relevant signaling, protein interactions, or cellular responses. The resulting molecular evidence supports drug discovery decisions and helps determine which candidates warrant further validation.
Their analysis can support several linked activities: evaluating biomarkers, investigating how therapies produce benefits, and examining the molecular basis of adverse effects. It also helps organize evidence for treatment strategies guided by molecular findings. In this way, target analysis contributes not only to candidate selection but also to interpreting therapeutic responses and developing more precise medicines.