Da Rat Model
Da Rat Model - Related Videos
03:50
ROS Detection with DCFH-DA Staining: Measuring Total ROS in Colorectal Cancer Cell Lines
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2023
This video describes the protocol for detecting total cellular reactive oxygen species (ROS) using 2',7'-dichlorodihydrofluorescein diacetate (DCFH-DA). This method helps visualize ROS localization in the adherent cells using a fluorescence microscope and further quantify ROS intensity with a fluorescence plate reader.
09:39
Creation of Reversible Cholestatic Rat Model
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2011
Cholestasis is a clinical condition commonly encountered by both surgeons and gastroenterologists. Creation of a reversible cholestatic rat model can be challenging in view of the smaller size and unique hepatopancreatobiliary anatomy in rats. This video article demonstrates the creation of a reversible cholestatic model.
02:36
Generating a Glioblastoma Rat Model
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2025
Source: Bolcaen, J., et. al., PET and MRI Guided Irradiation of a Glioblastoma Rat Model Using a Micro-irradiator. J. Vis. Exp. (2017)This video demonstrates the procedure for establishing a glioblastoma rat model by stereotactically injecting brain tumor-causing glioblastoma cells into the prefrontal cortex.
05:09
Urethral Stricture Induction Followed by Buccal Mucosa Graft Urethroplasty in a Rat Model
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Cited by 3 •
2023
In the present protocol, a urethral stricture induction was developed in Wistar rats, followed by urethral reconstruction with a buccal mucosa graft. A retrograde urethrogram and laser Doppler assessment were performed, validating urethral reconstruction (after stricture formation) and graft placement.
08:18
A Model of Chronic Nutrient Infusion in the Rat
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Cited by 1 •
2013
A protocol for chronic infusions of glucose and Intralipid in rats is described. This model can be used to study the impact of nutrient excess on organ function and physiological parameters.
FAQs
Genetic uniformity reduces variation between animals, making differences in inflammation, tissue pathology, or treatment response easier to associate with the experimental stimulus rather than unrelated genetic differences. This consistency strengthens comparisons across study groups and helps researchers examine how inherited factors contribute to disease mechanisms under controlled biological conditions.
These stimuli initiate defined immune challenges that can produce experimentally induced inflammation in susceptible animals. An antigen provides the relevant immune trigger, while an adjuvant can shape or enhance the response. By selecting and controlling the stimulus, investigators can examine how immune activation develops and how closely the resulting pathology reflects the disease process under study.
Characteristic susceptibility allows researchers to study why particular biological conditions lead to stronger or more reproducible inflammatory responses. When disease is induced under defined conditions, investigators can relate immune activation to subsequent tissue pathology. This helps separate effects associated with the experimental trigger from contributions associated with the rat strain’s genetic background.
A study generally begins by exposing DA rats to a defined antigen, adjuvant, or other experimental stimulus. Researchers then follow the animals over time, recording immune activation and examining tissue pathology at selected stages. The resulting observations can be compared across experimental conditions to evaluate disease progression, biological mechanisms, or responses to an intervention.
It is useful when a treatment must be evaluated in an experimentally induced inflammatory or autoimmune disease system before clinical investigation. Researchers can administer or assess a candidate intervention alongside measurements of immune activation and tissue pathology. These outcomes indicate whether the treatment modifies disease-associated biology under controlled conditions and provide evidence for deciding whether further study is warranted.
The model connects genetic background, immune response, tissue injury, and therapeutic effects within one controlled experimental system. In autoimmune and inflammatory research, those relationships can clarify disease mechanisms and reveal genetic contributions to susceptibility. The resulting evidence may guide the design of later studies and help prioritize interventions for investigation before clinical research begins.