Laminin Coating
Laminin Coating - Related Videos
00:55
Laminins are the Adhesive Proteins of Basal Lamina
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2023
Laminins are heterotrimeric proteins with high molecular mass found in the extracellular matrix. Each laminin molecule is composed of three chains, viz. alpha, beta, and gamma, coded by five, four, and three paralogous genes, respectively. Laminins are categories based on the compositions of the three chains. In humans, the five forms of alpha chains are LAMA 1, LAMA 2, LAMA 3, LAMA 4, and LAMA 5. The four forms of beta chains are LAMB 1, LAMB 2, LAMB 3, and LAMB 4. The three forms of gamma...
13:21
Graphene Coatings for Biomedical Implants
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Cited by 37 •
2013
Graphene offers potential as a coating material for biomedical implants. In this study we demonstrate a method for coating nitinol alloys with nanometer thick layers of graphene and determine how graphene may influence implant response.
06:56
Generating a Fractal Microstructure of Laminin-111 to Signal to Cells
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Cited by 1 •
2020
We describe three methods to generate Ln1 polymers with fractal properties that signal to cells differently compared to unpolymerized Ln1.
01:32
Pinching-off of Coated Vesicles
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2023
Vesicle budding is orchestrated by distinct cytosolic proteins such as adaptor proteins, coat proteins, and GTPases. To initiate vesicle budding, membrane-bending proteins containing crescent-shaped BAR domains bind to the lipid heads in the bilayer and distort the membrane to form a protein-coated vesicle bud. Adaptors proteins such as AP2 for clathrin-coated vesicles can nucleate on the deformed membrane. Finally, coat proteins such as clathrin or COPI and COPII assemble into a coat forming...
01:33
Coat Assembly and GTPases
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2023
Vesicles incorporate different coat protein subunits in different cell locations, which changes the properties of the coat, such as the shape and geometry of the transport vesicles. Thus, vesicle coat proteins also play a significant role in cargo selection. Coat assembly depends on the local availability of phosphatidylinositol phosphates or PIPs and GTP-binding proteins. Adaptor proteins, which link the coat proteins to the membrane, bind to these PIPs and play a crucial role in controlling...
FAQs
Integrins recognize bioactive domains within adsorbed laminin and connect the extracellular surface to adhesion-related signaling inside the cell. These interactions help cells interpret the culture substrate rather than merely rest on it. As a result, laminin can support attachment while also influencing survival, organization, and other behaviors that depend on cell-matrix communication.
Laminin provides extracellular matrix signals that cells can use to orient their interactions with the surrounding substrate. Those cues help create a more biologically relevant culture environment, particularly for cells whose growth or phenotype depends on matrix support. In suitable in vitro models, this signaling can contribute to organized behavior and differentiation-related studies.
The strongest rationale applies to cells that require extracellular matrix cues for attachment, survival, growth, or phenotype maintenance. Examples supported by the topic include primary cells, stem cells, neurons, and other matrix-dependent cell types. The coating is therefore especially relevant when researchers need to preserve biologically meaningful behavior rather than rely only on a standard culture surface.
A basic workflow begins by applying laminin to a culture plate or another suitable substrate, allowing the protein to adsorb to that surface, and then introducing the cells for culture. The important functional transition is the formation of a laminin-presenting interface, where cells can contact bioactive domains and receive matrix-associated adhesion signals.
The central materials are laminin and the culture surface intended to support the cells. The surface may be a culture plate or another substrate, provided laminin can adsorb to it and present its bioactive regions. Selecting the coating format around the target cell type helps establish an in vitro environment that supplies the required matrix cues.
Researchers use these cultures when matrix-dependent cell behavior is important to the experiment. Applications include maintaining primary cells, stem cells, and neurons, as well as examining cell behavior, development, tissue organization, and regenerative biology. By providing a more consistent extracellular context, the approach can strengthen in vitro models used to study these processes.