Lps Stimulation
Lps Stimulation - Related Videos
08:51
Intraductal Injection of LPS as a Mouse Model of Mastitis: Signaling Visualized via an NF-κB Reporter Transgenic
0 Views •
Cited by 14 •
2012
Described here is a technique in which lipopolysaccharide is injected into the lactating mouse mammary gland via the nipple to simulate mastitis, a condition commonly caused by bacterial infection. Lipopolysaccharide injection results in increased nuclear factor kappa B (NF-κB) signaling, visualized through bioluminescent imaging of an NF-κB luciferase reporter mouse.
06:43
Increased Recovery Time and Decreased LPS Administration to Study the Vagus Nerve Stimulation Mechanisms in Limited Inflammatory Responses
0 Views •
Cited by 6 •
2017
Vagus nerve stimulation has proven to have a strong efficacy for decreasing peripheral inflammation. Here, we present a modified vagus nerve stimulation protocol that allows for further examinations of the cholinergic anti-inflammatory mechanisms in limited inflammatory responses.
11:02
Combining Transcranial Magnetic Stimulation and fMRI to Examine the Default Mode Network
0 Views •
Cited by 17 •
2010
In this article, we examine the methodology and considerations relevant to the combination of TMS and fMRI to examine the effects of brain stimulation on the default network.
06:29
Accurate and Simple Measurement of the Pro-inflammatory Cytokine IL-1β using a Whole Blood Stimulation Assay
0 Views •
Cited by 9 •
2011
We describe a simple immunoassay to measure the production of pro-inflammatory cytokines, such as IL-1 beta production, in patients presenting with autoinflammatory phenotypes. By activating cells in whole blood cultures with pathogen-associated molecular patterns, specifically with lipopolysaccharide, cytokine secretion can be conveniently evaluated in whole blood supernatants.
12:09
Stimulating the Lip Motor Cortex with Transcranial Magnetic Stimulation
0 Views •
Cited by 29 •
2014
Transcranial magnetic stimulation (TMS) has proven to be a useful tool in investigating the role of the articulatory motor cortex in speech perception. This article describes how to record motor evoked potentials (MEPs) from the lip muscles and how to disrupt the motor lip representation using repetitive TMS.
FAQs
LPS binding to CD14 and the MD-2-TLR4 receptor complex initiates the signaling sequence in responsive immune cells. This receptor-level recognition provides the mechanistic link between detecting a Gram-negative bacterial component and activating intracellular pathways. Studying these components helps researchers determine how pathogen-associated signals are converted into measurable immune-cell responses.
The MyD88- and TRIF-dependent branches provide more than one route from receptor engagement to gene regulation. Their signaling contributes to activation of NF-κB and other transcription factors, which support inflammatory mediator production. Considering both branches helps researchers interpret LPS responses as coordinated signaling events rather than as the result of a single downstream pathway.
NF-κB and other transcription factors connect receptor-proximal signaling with the cell’s secreted response. Their activation leads immune cells to produce inflammatory cytokines and chemokines, which provide measurable indicators of immune activation. These readouts allow investigators to characterize inflammatory signaling and evaluate whether experimental conditions or treatments alter the resulting response.
At a basic level, researchers expose immune cells to LPS and then examine activation-associated outputs, especially inflammatory cytokines and chemokines. The design can focus on macrophages or dendritic cells according to the biological question. This workflow links a defined bacterial component to receptor signaling and measurable immune-cell behavior within a controlled experimental model.
These cell types allow investigators to examine how immune-cell populations respond to bacterial components. In macrophage and dendritic cell studies, LPS stimulation supports characterization of activation, pathogen-recognition signaling, and inflammatory mediator production. Using these models places receptor-driven responses in the context of innate immunity and infection research, where both cell types are important experimental systems.
LPS stimulation provides an experimental model for examining inflammatory responses associated with bacterial components, including signaling events and cytokine or chemokine production. In sepsis research, it supports investigation of inflammation relevant to host responses to bacterial signals. In immune-regulation studies, the same approach helps examine how these responses are controlled and how they may be modified.
Treatment studies can examine whether an intervention changes immune activation after LPS exposure, using inflammatory cytokines and chemokines as response measures. This application connects signaling through the CD14-MD-2-TLR4 system with measurable inflammatory outputs. It is useful for evaluating immune regulation and for assessing candidate anti-inflammatory treatments in a defined bacterial-component model.