Collagen Content
Collagen Content - Related Videos
07:25
Collagen Hydrogels
0 Views •
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...
15:04
A Neuronal and Astrocyte Co-Culture Assay for High Content Analysis of Neurotoxicity
0 Views •
Cited by 46 •
2009
This article describes a novel protocol and reagent set designed for sensitive measurement of neurotoxic effects of compounds and treatments on co-cultures of neurons and astrocytes using high content analysis. Results demonstrate that high content analysis represents an exciting novel technology for neurotoxicity assessment.
07:03
Imaging Denatured Collagen Strands In vivo and Ex vivo via Photo-triggered Hybridization of Caged Collagen Mimetic Peptides
0 Views •
Cited by 18 •
2014
This procedure demonstrates in vivo near IR fluorescence imaging of collagen remodeling activities in mice as well as ex vivo staining of collagens in tissue sections using caged collagen mimetic peptides that can be photo-triggered to hybridize with denatured collagen strands.
05:17
An Improved Method for the Preparation of Type I Collagen From Skin
0 Views •
Cited by 23 •
2014
Traditional procedures for the isolation of soluble type 1 collagen (COL1) require about 10 days from start to finish because of lengthy buffer incubations and laborious resuspensions of fibrils. Here, we describe a means to purify COL1 from small dermal biopsies in less than 3 hr.
07:04
Determination of the Glycogen Content in Cyanobacteria
0 Views •
Cited by 26 •
2017
Here, we present a reliable and easy assay to measure the glycogen content in cyanobacterial cells. The procedure entails precipitation, selectable depolymerization, and the detection of glucose residues. This method is suitable for both wildtype and genetically engineered strains and can facilitate the metabolic engineering of cyanobacteria.
FAQs
Fibroblasts produce procollagen, an initial form that is secreted from the cell and processed into collagen molecules. This production pathway links cellular activity to extracellular matrix assembly. Measuring collagen content can therefore help researchers assess how fibroblast-driven matrix formation changes during tissue development, wound healing, aging, or disease-related remodeling.
The amount of collagen alone does not describe the entire state of the matrix. After collagen molecules form, enzymatic cross-linking stabilizes them and contributes to mechanical support. Consequently, two samples with comparable collagen content may differ in matrix stability or mechanical behavior if their collagen has undergone different degrees of stabilization.
Matrix metalloproteinases and other enzymes regulate collagen breakdown, providing a counterbalance to collagen production and stabilization. Changes in this balance can alter the amount of collagen retained in a sample and contribute to extracellular matrix remodeling. Examining collagen content in this context helps relate matrix loss or accumulation to biological processes rather than viewing the measurement in isolation.
Collagen content measurements provide information about changes in extracellular matrix composition during tissue development, wound healing, aging, fibrosis, and disease-related remodeling. Interpreting the measurement alongside the relevant biological condition can show whether matrix accumulation or loss accompanies a process. The result is useful for characterizing structural changes without treating collagen content as the only feature of tissue behavior.
Researchers can use collagen content measurements when they need to characterize extracellular matrix changes in cells, tissues, or other biological samples. The measurements are relevant to studies of normal development as well as wound healing, aging, fibrosis, and disease-related remodeling. They can help connect biological changes with altered matrix composition and mechanical support.
In engineered tissues and biomaterials, collagen content measurements help evaluate extracellular matrix composition and support assessment of how closely a construct develops the intended biological or mechanical characteristics. The same approach can be used when studying treatments designed to alter matrix composition or mechanical properties, providing an outcome measure for matrix-related effects.