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Laboratory and Basic Science Research Commons™
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Articles 1 - 3 of 3
Full-Text Articles in Laboratory and Basic Science Research
Erk Required For Lipopolysaccharide-Induced Tlr4 Internalization In Macrophages, Sara M. Reyna, Phoebe Fang-Mei Chang
Erk Required For Lipopolysaccharide-Induced Tlr4 Internalization In Macrophages, Sara M. Reyna, Phoebe Fang-Mei Chang
Research Symposium
Background: Insulin resistance is associated with low circulating levels of lipopolysaccharide (LPS). Binding of LPS to Toll like receptor 4 (TLR4) leads to the internalization and trafficking of TLR4 resulting in activation of downstream signaling pathways. TLR4 internalization in macrophages leads to the activation of pro-inflammatory signaling pathways and production of factors linked to the development of insulin resistance. The extracellular signal-regulated kinase 1 and 2 (ERK1 and 2) are activated downstream of TLR4 and are associated with insulin resistance. We hypothesized that ERK1 and ERK2 regulate TLR4 internalization in macrophages when exposed to LPS.
Methods: We examined whether inhibition …
Immunomodulatory Effects Of Resolvin D2 In A Model Of Infection, Prem Yugandhar Kadiyam Sundarasivarao
Immunomodulatory Effects Of Resolvin D2 In A Model Of Infection, Prem Yugandhar Kadiyam Sundarasivarao
Graduate School of Biomedical Sciences Theses and Dissertations
Dysregulated hyperinflammatory host immune response to underlying bacterial infections is a characteristic of sepsis. In sepsis, bacteria often trigger abnormal hyperinflammatory responses which can cause multiple organ failure and if sustained can lead to an immunosuppressive phase where the host is susceptible to secondary infections caused by opportunistic bacteria like Pseudomonas aeruginosa (P. aeruginosa). In our studies, we used a 2-hit model of cecal ligation and puncture (CLP) followed by P. aeruginosa secondary lung infection to investigate cellular and molecular mechanisms in the beneficial action of resolvin D2 (RvD2). Resolvins of the D-series are a group of fatty acids known …
Cul3 Negatively Regulates Nlrp12-Mediated Inhibition Of The Canonical Nf-Κb Signaling Pathway, Inyeong Lee
Cul3 Negatively Regulates Nlrp12-Mediated Inhibition Of The Canonical Nf-Κb Signaling Pathway, Inyeong Lee
MSU Graduate Theses
Nod-like receptor family pyrin domain-containing protein 12 (NLRP12) is mainly known for its inhibitory function on NF-κB signaling in innate immune cells, and more recently, for its ability to regulate chemokine signaling and ubiquitination of the immune receptor RIG-I. Through a yeast 2-hybrid screen, the Lupfer lab previously discovered that NLRP12 interacts with other ubiquitin-associated proteins including Cullin 3 (CUL3) and RING finger protein 2 (RNF2). This research was conducted to mainly investigate the interaction between NLRP12 and CUL3 in human cells and examine the role in regulating NF-κB signaling. Previously, co-immunoprecipitation, followed by western blot analysis, and confocal microscopy …