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How LPS related to cancer?

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LPS, or lipopolysaccharide, is a major component of the outer membrane of Gram-negative bacteria cell walls. It has been shown to stimulate immune system cells by binding to Toll-like receptor 4 (TLR4) and activating transcription factors and protein kinases, resulting in increased production of proinflammatory cytokines and overexpression of cell adhesion molecules and matrix-degrading enzymes . LPS has been linked to several disease states, including liver diseases, neurological degeneration, chronic inflammation of the gut, diabetes, and prostate cancer metastasis . In patients with cancer-related anemia, there is a positive correlation between Hepcidin, LPS, and IL-6, suggesting their contribution to cancer-related anemia in patients with tumors . Furthermore, there is evidence to suggest that HF, or heart failure, may be an oncogenic condition, with neurohormonal activation and low-grade inflammation playing a role in both HF and malignancy . Inflammation in the tumor microenvironment promotes the development of tumors by aiding in the proliferation and survival of malignant cells, promoting angiogenesis and metastasis, and altering responses to hormones and chemotherapeutic agents .

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Open access•Journal Article•DOI Cancer-related inflammation. Alberto Mantovani, Paola Allavena, Antonio Sica, Frances R. Balkwill - Show less +3 more 24 Jul 2008-Nature 9.2K Citations	LPS (lipopolysaccharide) is a molecule that can induce inflammation and is associated with cancer-related inflammation.
Open access•Journal Article•DOI Linking Heart Failure to Cancer: Background Evidence and Research Perspectives. Edoardo Bertero, Marco Canepa, Christoph Maack, Pietro Ameri - Show less +3 more 14 Aug 2018-Circulation 94 Citations	The text does not provide information about how LPS (lipopolysaccharide) is related to cancer.
Open access•Journal Article Expression and significance of Hepcidin,LPS and IL-6 in the patients with cancer-related anemia Cheng Xu 01 Jan 2012-Chinese Journal of Laboratory Diagnosis 1 Citations	LPS levels were higher in patients with cancer-related anemia compared to non-anemic tumor cases, suggesting a potential association between LPS and cancer.
Open access•Journal Article•DOI LPS—Is It a Major Liability Factor for Cancer Risk and Severity? Muthuswamy Balasubramanyam 17 Jun 2020 1 Citations	LPS has been shown to be linked to several disease-states, including cancer, such as prostate cancer metastasis and colorectal cancer pathogenesis.
Patent Anti-cancer activity of scbg3a2 and lps Shigetoshi Yokoyama, Kimura Shioko - Show less +1 more 25 Jul 2019	LPS is used in combination with SCGB3A2 to treat cancer, particularly SDCl positive cancer and cancers expressing genes and proteins of the non-canonical inflammasome.

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Why did LPS and Nigericin upregulate expression of pro-inflammatory genes?5 answersLPS and Nigericin upregulated the expression of pro-inflammatory genes due to the activation of specific pathways and regulatory mechanisms. LPS, a major component of bacterial endotoxin, induced sepsis by increasing the expression of pro-inflammatory mediators like IL6, ICAM1, and VCAM1 through the enrichment of certain long non-coding RNAs (lncRNAs). Additionally, LPS triggered changes in gene expression in macrophages by regulating histone deacetylases (HDACs), acting as negative regulators of proinflammatory gene expression. Furthermore, the synergy between IL-10 and LPS led to the transcriptional upregulation of pro-inflammatory genes in macrophages, highlighting the complex nature of the IL-10-induced response in LPS-triggered cells. These findings collectively demonstrate the intricate interplay between different signaling pathways and regulatory elements in the upregulation of pro-inflammatory genes by LPS and Nigericin.

What is the relationship between LPS and TLR4?4 answersLPS (lipopolysaccharide) is recognized by Toll-like receptor 4 (TLR4). TLR4 is a receptor that plays a role in innate immune responses, autophagy, and cell death. The relationship between LPS and TLR4 is important in the context of bacterial infections, as LPS-induced activation of TLR4 leads to innate immune responses and can also induce autophagy and apoptosis. The downstream signaling pathways of TLR4, such as NF-κB and MAPK, are involved in regulating the autophagy and apoptosis induced by LPS. Inhibition of TLR4 signaling pathways can reverse the effects of LPS on autophagy and apoptosis. The interaction between LPS and TLR4 is also relevant in the context of sepsis, where the TLR4-CysLT1R interaction mediates macrophage inflammatory phenotype and sepsis. Overall, LPS and TLR4 have a significant relationship in modulating immune responses, autophagy, apoptosis, and inflammatory processes.

Which lps concentration induces senescence?4 answersThe concentration of insulin in high concentration induces senescence in human airway epithelial cells (AEC). The concentration of timolol that induces senescence in rabbit limbal stem cells (rLSCs) is low, specifically 0.03125%. The concentration of sodium valproate (SVP) that induces senescence in human hepatocarcinoma cells is low as well. However, the specific concentration of LPS that induces senescence is not mentioned in any of the abstracts provided.

Does lps induces senescence in endothelial cells?5 answersLPS has been shown to induce senescence in endothelial cells. In one study, LPS treatment led to features of premature senescence in adipocyte progenitors, including activation of p53, increased SA-β-gal activity, and elevated hydrogen peroxide production. Another study demonstrated that LPS is able to induce endothelial fibrosis in the absence of immune cells, which perpetuates endothelial dysfunction. These findings suggest that LPS can directly generate actions in endothelial cells, leading to senescence and fibrosis.

Does lps induce inflammatory response in macrophage cell lines and human colon cancer cells in vitro?3 answersLPS induces an inflammatory response in macrophage cell lines and human colon cancer cells in vitro. Macrophages from different sources exhibit variable responses to LPS, highlighting the danger of making generalizations. LPS treatment activates cytosolic PLA2 in macrophage cell lines, leading to the release of arachidonic acid. Inflammatory activation and morphological signs of activation are observed in macrophage cell lines after shock wave trauma, which can directly activate macrophages without humoral mediators. The low expression of GSDMD, a molecular marker for pyroptosis, is associated with a poor prognosis in colorectal cancer (CRC) patients. Treatment with LPS induces pyroptosis in CRC cells, enhancing chemosensitivity and inhibiting tumorigenesis. These findings suggest that LPS can induce an inflammatory response in macrophage cell lines and human colon cancer cells in vitro, with implications for cancer progression and treatment.

RAW264.7 cell polarised with LPS and INF is similar to PDAC?5 answersRAW264.7 cells polarized with LPS and INF exhibit dendritic morphology and upregulation of cell surface markers involved in antigen presentation and T cell activation. PDAC is not directly mentioned in any of the abstracts provided, so there is no direct evidence to suggest that RAW264.7 cells polarized with LPS and INF are similar to PDAC. However, one of the abstracts discusses the proteogenomic analysis of PDAC and provides potential therapeutic targets for the disease. It is important to note that RAW264.7 cells are a macrophage cell line, while PDAC is a type of cancer. Therefore, while there may be some similarities in terms of immune response and cellular pathways, it cannot be concluded that RAW264.7 cells polarized with LPS and INF are similar to PDAC based on the information provided in the abstracts.

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