Cell Mimics
Cell Mimics - Related Videos
10:35
Production and Testing of Antimicrobial Peptides and Their Mimics
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2026
This protocol describes a method for producing and evaluating the antimicrobial activity and cytotoxicity of the cationic peptide Mel4 and peptide mimic RK758. By integrating chemical synthesis, recombinant expression, and standardized functional assays, it provides a streamlined workflow for the production and testing of peptides and small-molecule mimics.
10:28
The Encapsulation of Cell-free Transcription and Translation Machinery in Vesicles for the Construction of Cellular Mimics
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Cited by 12 •
2013
Herein we describe simple methods for the preparation of vesicles, the encapsulation of transcription and translation machinery, and the monitoring of protein production. The resulting cell-free systems can be used as a starting point from which to build increasingly complex cellular mimics.
02:53
Blood-Brain Barrier Mimic Permeability Assay: An In Vitro Assay to Assess the Permeability of BBB Mimic to Tracer Molecules
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2023
This video describes a permeability assay to evaluate the permeability of in vitro blood-brain barrier using sodium fluorescein molecules.
03:42
Evaluating Virus Spread Inhibition Through microRNA Mimic-Mediated Genome Silencing
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2026
Source: Ruiz, A. J. and Russell, S. J. MicroRNA-based Regulation of Picornavirus Tropism. J. Vis. Exp. (2017)This video demonstrates the use of synthetic microRNA mimics to inhibit viral replication in cultured epithelial-like cells selectively. It highlights how microRNA-directed genome silencing can block virus spread and confirm targeting specificity through downstream infectivity analysis.
07:19
Identifying Targets of Human microRNAs with the LightSwitch Luciferase Assay System using 3'UTR-reporter Constructs and a microRNA Mimic in Adherent Cells
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Cited by 22 •
2011
MicroRNAs (miRNAs) are important regulators of gene expression and have been shown to play a role in numerous biological processes. To better understand miRNA-UTR interactions, we have created a genome-wide collection of 3 UTR luciferase reporters paired with a novel luciferase gene and assay reagent, the LightSwitch system.
FAQs
Their behavior comes from deliberately combining cell-like structural features with biochemical or functional cues. Size and shape can influence how the construct presents itself to biological systems, while membrane coatings, surface ligands, and controlled signals provide specific interaction properties. This modular design allows engineers to reproduce recognition, adhesion, signaling, or therapeutic activity without recreating every feature of a living cell.
Membrane coatings and surface ligands help determine how a construct interacts with its biological surroundings. Coatings can contribute cell-like surface characteristics, while ligands provide recognizable interaction sites that support processes such as cell recognition or adhesion. Adjusting these features changes the biological cues presented by the mimic, helping researchers pursue more predictable signaling or targeting behavior.
A cell mimic can provide greater control over selected properties while avoiding the need to maintain an intact cell. Engineers can emphasize desired structural, biochemical, or functional characteristics and adjust them for a particular use. This approach may improve performance stability and make biological interactions easier to study or control in applications such as delivery, sensing, immune modulation, or disease modeling.
Several engineered features can shape the outcome, including particle or construct size, shape, surface composition, membrane coatings, and the biochemical cues presented at the interface. These variables affect whether the system supports recognition, adhesion, signaling, or another intended activity. Bioengineers therefore select and combine features according to the interaction they want to examine or produce.
Design begins by identifying the cellular behavior or interaction that must be reproduced, such as recognition, adhesion, signaling, or therapeutic activity. Engineers then combine appropriate structural features with membrane coatings, surface ligands, or controlled biochemical cues. The resulting construct can be directed toward a selected use, with its engineered properties providing a basis for more predictable biological performance.
They are useful when an engineered system must interact with biological targets in a controlled way. Features that support recognition or adhesion can help guide interactions relevant to targeted delivery, while surface and biochemical cues can support detectable biological responses in biosensing. Their designed properties also offer a way to study or regulate interactions without relying on intact cells.
In tissue engineering, these constructs can present selected structural or biochemical cues relevant to cell interactions. For immune modulation, engineered surfaces or signals can be used to influence biological recognition and signaling. In disease modeling, the same controllable features provide tools for examining cell-like behavior or disease-relevant interactions under defined conditions, supporting biomedical technology development.