Protein Drug Targets
Protein Drug Targets - Related Videos
08:34
A Rapid and Quantitative Fluorimetric Method for Protein-Targeting Small Molecule Drug Screening
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Cited by 6 •
2015
A protocol for small molecular drug screening based on in-situ synthesis of ultrasmall fluorescent gold nanoclusters (Au NCs) using drug-loaded protein as template is presented. This method is simple to determine the binding affinity of drugs to a target protein by a visible fluorescent signal emitted from the protein-templated Au NCs.
11:56
Nanomechanics of Drug-target Interactions and Antibacterial Resistance Detection
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Cited by 4 •
2013
Acquired resistance to antibiotics is a major public healthcare problem and is presently ranked by the WHO as one of the greatest threats to human life. Here we describe the use of cantilever technology to quantify antibacterial resistance, critical to the discovery of novel and powerful agents against multidrug resistant bacteria.
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.
03:30
Targeted Drug Delivery in a Mouse Model via Cisterna Magna Injection
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2025
Source: Zamboni, M., et al., Induction of Leptomeningeal Cells Modification Via Intracisternal Injection. J. Vis. Exp. (2020)This video demonstrates the procedure of delivering an inducer drug into the cisterna magna of an anesthetized mouse. The injection selectively induces fluorescent marker expression in brain surface cells accessible via cerebrospinal fluid, confirmed by fluorescence imaging.
01:26
Targets for Drug Action: Overview
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2023
Drugs target macromolecules to modify ongoing cellular processes. Primary drug targets include receptors, ion channels, transporters, and enzymes. Receptors are either membrane-spanning or intracellular proteins, which upon binding a ligand, get activated and transmit the signal downstream to elicit a response. Drugs bind receptors, either mimicking the action of endogenous ligands or blocking the receptor activity to bring about a modified response. Nearly 35% of approved drugs target the G...
FAQs
Changing a target protein can alter the activity of connected components within a cellular pathway, rather than producing an isolated molecular effect. The resulting response depends on whether a compound inhibits, activates, stabilizes, or otherwise modifies the protein. Examining signaling relationships therefore helps researchers connect a binding event with downstream biological consequences and assess whether the intended therapeutic effect is plausible.
Binding at an active center can directly affect the protein’s functional activity, whereas binding at a regulatory region can modify how that activity is controlled. These distinct sites may support different outcomes, including inhibition, activation, or stabilization. Comparing the site and resulting response helps researchers explain a compound’s mechanism and evaluate whether it can produce a selective biological effect.
A protein’s structure helps researchers examine potential binding regions and understand how a candidate compound may alter its function. Interactions with other proteins also influence the target’s role within a signaling network. Considering both structural features and molecular relationships provides a more complete explanation of compound activity than studying target binding or expression alone.
Target evaluation begins by examining the protein’s expression, structure, signaling relationships, and response to candidate compounds. Researchers then relate these observations to the relevant disease research context and the desired biological effect. This process helps distinguish a target with therapeutic potential from one whose modification may not produce the intended pathway response or could complicate safety assessment.
Studying a target can reveal how a candidate compound produces its biological effect and whether the target is connected to a disease-relevant pathway. Target expression and signaling relationships support assessment of therapeutic potential, while structural analysis clarifies possible interactions. Measuring response to compounds can also help explain activity and anticipate adverse effects during development.
Information about target expression, structure, signaling relationships, and compound response can help researchers determine which biological context is most likely to benefit from treatment. These data support the design of compounds that act more selectively and the interpretation of differing responses. In precision medicine, such target-focused analysis connects molecular characteristics with treatment decisions and potential adverse effects.