Methylated Collagen
Methylated Collagen - Related Videos
07:25
Collagen Hydrogels
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2023
Collagen is another widely used biomaterial that has found popularity in commercial applications, such as photography. Collagen has more recently been used in tissue engineering applications, by creating hydrogels that provide structure to engineered tissue. This video introduces collagen as a biomaterial, demonstrates how it is harvested from porcine skin, and shows how the material is used to create a hydrogel for tissue engineering applications. Finally, several applications of the material...
09:56
Layer-by-layer Collagen Deposition in Microfluidic Devices for Microtissue Stabilization
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Cited by 7 •
2015
The creation of functional microtissues within microfluidic devices requires the stabilization of cell phenotypes by adapting traditional cell culture techniques to the limited spatial dimensions in microdevices. Modification of collagen allows the layer-by-layer deposition of ultrathin collagen assemblies that can stabilize primary cells, such as hepatocytes, as microfluidic tissue models.
08:47
DNA Methylation Analysis
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2023
Methylation at CpG dinucleotides is a chemical modification of DNA hypothesized to play important roles in regulating gene expression. In particular, the methylation of clusters of methylation sites, called “CpG islands”, near promoters and other gene regulatory elements may contribute to the stable silencing of genes, for example, during epigenetic processes such as genomic imprinting and X-chromosome inactivation. At the same time, aberrant CpG methylation has been shown to be associated with...
21:24
Methylated DNA Immunoprecipitation
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Cited by 43 •
2009
This video demonstrates the protocol for methylated DNA immunoprecipitation (MeDIP). MeDIP is a two day procedure that selectively extracts methylated DNA fragments from a genomic DNA sample using antibodies with specificity for 5 -methylcytosine (anti-5 mC).
12:34
DNA Methylation: Bisulphite Modification and Analysis
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Cited by 75 •
2011
The gold standard for DNA methylation analysis is genomic sequencing of bisulphite converted DNA. This method takes advantage of the increased sensitivity of cytosine compared with 5-methylcytosine (5-MeC) to bisulphite deamination under acidic conditions. Unmethylated cytosines can be distinguished from methylated cytosines after PCR amplification of the target genomic DNA.
FAQs
Methyl groups can alter collagen’s polarity, charge distribution, and intermolecular interactions. These molecular changes may modify how collagen chains associate with one another and interact with surrounding components, affecting solubility, structural organization, and material stability. In bioengineering, this provides a molecular route for tuning collagen-based materials rather than treating all formulations as having identical physical or biological behavior.
Methylation can change collagen’s susceptibility to enzymatic or chemical modification. This matters because a material’s behavior depends not only on its initial structure, but also on how readily its molecular features can be altered during use or processing. Relating methylation to susceptibility helps researchers select collagen formulations with stability characteristics suited to a particular biomaterial design.
Methylated collagen may differ from unmodified collagen in solubility, intermolecular association, structural behavior, and stability. The direction and magnitude of these changes depend on how the chemical modification affects collagen’s molecular environment, so methylation should not be treated as producing one universal outcome. This comparison is important when connecting molecular design choices with scaffold or hydrogel performance.
A useful evaluation workflow links molecular characteristics to material behavior. Researchers can examine polarity, charge distribution, intermolecular interactions, solubility, structure, stability, and susceptibility to enzymatic or chemical modification. Comparing these features across formulations helps determine whether a methylation strategy provides the performance needed for a specific bioengineering design, rather than relying on a single measured property.
Methylated collagen can serve as a tunable component of scaffolds, hydrogels, coatings, and other extracellular-matrix-inspired materials. Its modified molecular and material properties allow researchers to investigate how collagen chemistry affects the behavior of these formats. Such designs are relevant when a project requires controlled physical characteristics or biological interactions in cell culture and tissue-engineering systems.
The main value of methylated collagen in regenerative medicine is its connection between molecular modification and material performance. Researchers can study whether altered collagen properties support the design of materials for cell culture, tissue engineering, or regenerative applications. This approach helps frame collagen not only as a structural component, but also as a modifiable platform for controlling biomaterial behavior.