Trypsinization
Trypsinization - Related Videos
05:59
Trypsinizing and Subculturing Mammalian Cells
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Cited by 7 •
2008
As cells reach confluency, they must be subcultured or passaged. This video will demonstrate a procedure for subculturing both adherent and suspension cells.
09:03
Trypsin Digest Protocol to Analyze the Retinal Vasculature of a Mouse Model
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Cited by 59 •
2013
Trypsin digest is one of the most commonly used methods to analyze retinal vasculature. This manuscript describes the method in detail, including key alterations to optimize the technique and remove the non-vascular tissue while preserving the overall architecture of the vessels.
04:12
Visualizing Trypsin-Activated Rotavirus Infection Using a Plaque Assay
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2026
Source: Philip, A. A., et. al., Simplified Reverse Genetics Method to Recover Recombinant Rotaviruses Expressing Reporter Proteins. J. Vis. Exp. (2020)This video demonstrates a plaque assay technique to monitor rotavirus infection in epithelial cells. Trypsin activation enhances viral entry, and staining highlights viable cells, enabling visualization of infection-induced plaques.
09:40
Generation of Mosaic Mammary Organoids by Differential Trypsinization
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Cited by 6 •
2020
The mammary gland is a bilayered structure, comprising outer myoepithelial and inner luminal epithelial cells. Presented is a protocol to prepare organoids using differential trypsinization. This efficient method allows researchers to separately manipulate these two cell types to explore questions concerning their roles in mammary gland form and function.
09:38
Passaging HuES Human Embryonic Stem Cell-lines with Trypsin.
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Cited by 1 •
2006
In this video we demonstrate how our lab routinely passages HuES human embryonic stem cell lines with trypsin. Brought to you by JoVE.
FAQs
Trypsinization relies on trypsin’s proteolytic activity to cleave protein components that connect adherent cells with the culture surface and with neighboring cells. Breaking these protein-based contacts allows cells to separate as a collection rather than remaining attached. This mechanism is why the technique can generate material suitable for transfer or downstream cell-culture work.
Both variables influence how completely cells detach and how well they retain useful surface properties and viability. A treatment that is too weak may leave cells attached or produce an uneven collection, whereas excessive proteolytic exposure can damage surface proteins and reduce viable-cell recovery. Control therefore improves suspension uniformity while limiting avoidable cellular stress.
Adding growth medium containing serum after the brief enzyme exposure inhibits trypsin. This stops continued proteolysis and helps protect cell viability during collection. The step is therefore more than dilution: it terminates the detachment treatment at a practical point, helping preserve cells for transfer, counting, or subsequent seeding.
During a typical workflow, adherent cells receive a brief exposure to trypsin so adhesion proteins are cleaved. Growth medium containing serum is then added to inhibit the enzyme, and the detached cells are collected for transfer. The collected material can subsequently be used to establish a new culture, determine cell numbers, or seed an experiment.
In routine mammalian cell culture, the technique supports passaging, which moves cells into fresh culture conditions, as well as cell counting and experimental seeding. It also enables expansion of cell populations by making attached cells collectable and transferable. These uses connect a simple detachment step with both maintenance and planned experimental setup.
Researchers can assess the treatment by considering whether it produces a uniform cell suspension while preserving viable-cell recovery. Incomplete detachment suggests that collection may be uneven, whereas overly harsh treatment risks loss of viability or damage to surface proteins. This assessment helps adjust exposure time or enzyme concentration for later cultures.