Proteolytic Treatment
Proteolytic Treatment - Related Videos
02:42
A Fluorogenic Peptide Cleavage Assay to Screen the Proteolytic Activity of Proteases
0 Views •
2025
This video demonstrates an assay to screen for the proteolytic activity of proteases using fluorogenic peptides. The protease recognizes its cleavage site on the peptide, cleaving it and separating the quencher from the fluorophore, enabling its fluorescence emission. The fluorescence signal is detected and analyzed to check for the cleavage efficiency of different peptide variants.
05:20
A Colorimetric Assay that Specifically Measures Granzyme B Proteolytic Activity: Hydrolysis of Boc-Ala-Ala-Asp-S-Bzl
0 Views •
Cited by 12 •
2014
We describe a simple, quantitative colorimetric assay that specifically measures the proteolytic activity of human, mouse or rat Granzyme B (GzmB). This protocol can be easily adapted for determining protease activity of other granule serine proteases by the hydrolysis of other synthetic peptide substrates with an appropriate recognition sequence.
07:45
Proteolytically Degraded Alginate Hydrogels and Hydrophobic Microbioreactors for Porcine Oocyte Encapsulation
0 Views •
Cited by 10 •
2020
Presented here are two protocols for the encapsulation of porcine oocytes in 3D culture conditions. In the first, cumulus-oocyte complexes (COCs) are encapsulated in fibrin-alginate beads. In the second, they are enclosed with fluorinated ethylene propylene powder particles (microbioreactors). Both systems ensure optimal conditions to maintain their 3D organization.
12:37
A Method for Ovarian Follicle Encapsulation and Culture in a Proteolytically Degradable 3 Dimensional System
0 Views •
Cited by 80 •
2011
A new method for ovarian follicle encapsulation in a 3D fibrin-alginate interpenetrating network is described. This system combines structural support with proteolytic degradation to support the development of immature follicles to produce mature oocytes. This method may be applied to culture cell aggregates to maintain cell-cell contacts without limiting expansion.
11:39
The Goeckerman Regimen for the Treatment of Moderate to Severe Psoriasis
0 Views •
Cited by 26 •
2013
Psoriasis is a chronic, immune-mediated inflammatory skin disease. The Goeckerman regimen, formulated for the treatment of psoriasis, consists of exposure to ultraviolet B (UVB) light and application of crude coal tar (CCT). The following protocol is for the administration of Goeckerman therapy for the treatment of moderate-to-severe psoriasis.
FAQs
Treatment conditions determine how extensively a protein is altered. Enzyme specificity influences which peptide bonds are available, while protease concentration and exposure time affect the opportunity for cleavage. Temperature and pH further shape digestion. Controlling these variables allows investigators to produce limited or more extensive modification and then relate the degree of change to immune or microbial outcomes.
Protease specificity matters because cleavage at different protein sites can produce different structural consequences. In antigen studies, those changes may alter how immune components recognize the antigen, whereas cleavage of a pathogen or host protein may affect its function. Selecting conditions that target the relevant protein component helps connect a defined molecular change with a biological response.
Controlling digestion extent helps separate the effect of protein modification from the effect of exposing a sample to a protease. Limited cleavage can support analysis of altered antigen structure, while more extensive treatment can help remove or substantially change protein components. Comparing these defined conditions lets researchers test whether immune recognition or microbial function changes with the degree of cleavage.
Planning a proteolytic treatment begins with identifying the protein component or biological question being tested. Researchers then select a protease and set its concentration, exposure time, temperature, and pH. The treated sample can be examined through biochemical analysis or used to measure cellular and molecular responses. Linking these steps keeps the intended cleavage conditions connected to the outcome being evaluated.
Researchers can apply proteolytic treatment when they need to investigate antigen structure and processing, alter pathogen proteins, or modify host proteins. The approach also supports preparation of samples for biochemical analysis. These uses make it possible to examine how defined protein changes influence immune recognition, host-pathogen interactions, or microbial function within an experimental system.
Results may show how protein cleavage changes antigen recognition, pathogen or host protein behavior, or other measurable cellular and molecular responses. Biochemical analysis can reveal consequences of modifying or removing protein components, while biological measurements connect those changes to function. Interpreting both levels together helps clarify mechanisms underlying immune responses and host-pathogen interactions.