Single Cell Digestion
Single Cell Digestion - Related Videos
10:42
Subculture and Cryopreservation of Esophageal Adenocarcinoma Organoids: Pros and Cons for Single Cell Digestion
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Cited by 5 •
2022
This protocol describes the methods of subculture and cryopreservation of esophageal adenocarcinoma organoids with and without single cell digestion to enable researchers to choose appropriate strategies based on their experimental design.
09:45
Restriction Enzyme Digests
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2023
Restriction enzymes or endonucleases recognize and cut DNA at a specific sequence. These enzymes occur naturally in bacteria as a defense against bacteriophages - viruses that infect bacteria. Bacterial restriction enzymes cut the invading bacteriophage DNA while leaving the bacterial genomic DNA unharmed due to addition of methyl groups. This video explains the basic principles of restriction enzymes including: how restriction enzymes are named and the types of recognition sites and...
04:50
Isolation and Digestion of Neutrophil Proteins
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2026
Source:Tia Rizakos1, Jennifer Geddes-McAlister11Molecular and Cellular Biology Department, University of Guelph.This video demonstrates the protein isolation from neutrophils, which is further processed and digested into smaller peptides. These peptides can be used for future analysis.
03:45
Detrusor Smooth Muscle Cell Isolation: An Enzymatic Digestion Procedure to Obtain DSM Cells from Human Urinary Bladder Specimens
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2023
In this video, we demonstrate the isolation of detrusor smooth muscle cells from human urinary bladder specimens using a two-step sequential enzymatic treatment.
01:14
Carbohydrate Digestion
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2026
Carbohydrate digestion and metabolism break down simple and complex carbohydrates from food into saccharides (i.e., sugars) for the body to use as energy. Carbohydrate digestion starts in the mouth during mastication, or chewing. The masticated carbohydrates remain intact in the stomach. Digestion resumes in the duodenum of the small intestine, where pancreatic alpha-amylase and brush border enzymes of the microvilli convert complex carbohydrates to monosaccharides. Finally, the monosaccharides...
FAQs
Enzymes such as collagenase or trypsin cleave extracellular-matrix components and cell-adhesion proteins, loosening the connections that hold cells together. Controlled mechanical trituration then helps separate the loosened material into individual cells. Using both actions can improve release from tissue while limiting the physical force required, which supports preservation of viable cells and surface markers for downstream analysis.
The balance among incubation time, temperature, and agitation determines how thoroughly tissue separates and how much stress cells experience. Insufficient treatment can leave aggregates or incompletely released cells, whereas excessive exposure can damage cells or alter surface markers. Optimization is therefore necessary to obtain a suspension that is both sufficiently dispersed and suitable for reliable biological measurements.
Dissociation quality can shape the apparent composition of a sample, not merely its cell yield. Incomplete digestion may underrepresent cells that remain embedded or attached, while excessive treatment may reduce viability or compromise markers used to identify populations. These effects can bias flow-cytometry or sequencing results and may make rare cell populations harder to detect.
A basic workflow begins by choosing an appropriate enzymatic treatment, such as collagenase or trypsin, and applying it under controlled incubation conditions. Researchers then use controlled mechanical trituration to disperse the tissue, aiming for individual, viable cells. The resulting suspension can be counted and directed to flow cytometry, sequencing, or primary culture.
The method is useful when an experiment requires cells to be analyzed separately rather than as an intact tissue or aggregate. Its suspension can support cell counting, flow cytometry, single-cell sequencing, and primary culture. These applications allow investigators to examine cell populations individually, connect molecular profiles with cell types, and compare the heterogeneity present within a biological sample.
In biology, the quality of dissociation affects how confidently molecular measurements can be assigned to distinct cell types. A well-prepared suspension helps preserve the cellular diversity present in the starting tissue, whereas selective loss or marker damage can distort interpretation. This makes digestion conditions important not only for sample preparation, but also for studying tissue organization and heterogeneity.