Cell Isolation Protocol
Cell Isolation Protocol - Related Videos
07:12
Neutrophil Isolation Protocol
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Cited by 173 •
2008
Neutrophils are among the first cells to arrive on the site of inflammatory immune response, and their functions and mechanisms have been studied extensively in vitro. We demonstrate a standard density gradient separation method to isolate human neutrophils from whole blood using commercially available separation media.
10:51
Isolation and Culture of Rat Embryonic Neural Cells: A Quick Protocol
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Cited by 79 •
2012
We describe a rapid methodology to isolate and culture hippocampal and cortical neurons from rodent embryos. This protocol allows us to perform experiments in which nearly pure neuronal cultures are required.
08:47
Protocol for Isolation of Primary Human Hepatocytes and Corresponding Major Populations of Non-parenchymal Liver Cells
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Cited by 96 •
2016
A technique to isolate human hepatocytes and non-parenchymal liver cells from the same donor is described. The different liver cell types build the basis for functional liver models and tissue engineering. This new method aims to isolate liver cells in a high yield and viability.
06:30
Protocol for Isolating the Mouse Circle of Willis
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Cited by 4 •
2016
We describe here a reproducible protocol for isolating the mouse circle of Willis.
08:09
Efficient Isolation Protocol for B and T Lymphocytes from Human Palatine Tonsils
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Cited by 11 •
2015
Palatine tonsils are a rich source of B and T lymphocytes. Here we provide an easy, efficient and rapid protocol to isolate B and T lymphocytes from human palatine tonsils. The method described has been specifically adapted for studies of the viral etiology of tonsil inflammation known as tonsillitis.
FAQs
Mechanical disruption physically breaks tissue structure, while enzymatic digestion targets the extracellular matrix and connections between neighboring cells. Using both approaches can release cells more effectively than relying on only one type of treatment. Their combined action is important because excessive disruption or digestion may damage cells, whereas insufficient treatment can leave cells trapped within tissue fragments.
These conditions influence whether isolated cells remain viable and retain their biological identity. Digestion that continues for too long, unsuitable temperature control, or rough handling can increase cellular damage. Careful control helps produce a cell preparation that is more reliable for downstream microscopy, molecular analysis, culture, or functional testing.
These steps refine the disrupted material and help separate cells from unwanted components. Filtration can be included in the processing sequence, while centrifugation and washing help prepare the cell suspension for later use. Selective methods can enrich the desired population while limiting contamination and damage, improving the suitability of the preparation for analysis or culture.
A typical workflow begins by disrupting the tissue or other starting material through mechanical treatment, enzymatic digestion, or both. The resulting suspension is then processed with steps such as filtration, centrifugation, washing, or selective enrichment. Researchers control digestion time, temperature, and handling throughout the workflow before assessing or using the isolated cells.
Isolated cells can be used for microscopy, flow cytometry, molecular analysis, primary cell culture, and functional assays. The appropriate preparation depends on the intended application and the need to preserve cell viability and identity. A well-controlled isolation therefore provides material suitable for examining cell structure, population characteristics, molecular features, growth, or function.
Researchers use this approach when they need to examine cells released from tissues, body fluids, or mixed populations rather than study the original material as a whole. Isolated cells can support direct observation, population analysis, molecular measurements, culture, and functional testing. The method is therefore relevant whenever cellular identity, viability, or behavior must be evaluated separately.