hexapeptide/inflamação

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An amyloidogenic hexapeptide derived from amylin attenuates inflammation and acute lung injury in murine sepsis.

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Although the accumulation of amyloidogenic proteins in neuroinflammatory conditions is generally considered pathologic, in a murine model of multiple sclerosis, amyloid-forming fibrils, comprised of hexapeptides, are anti-inflammatory. Whether these molecules modulate systemic inflammatory

Mechanisms of action of therapeutic amyloidogenic hexapeptides in amelioration of inflammatory brain disease.

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Amyloid fibrils composed of peptides as short as six amino acids are effective therapeutics for experimental autoimmune encephalomyelitis (EAE). Immunosuppression arises from at least two pathways: (1) expression of type 1 IFN by pDCs, which were induced by neutrophil extracellular traps arising

Synthetic hexapeptides derived from the transmembrane envelope proteins of retroviruses suppress N-formylpeptide-induced monocyte polarization.

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Retroviral infections are frequently associated with immunosuppression. Retroviral transmembrane envelope proteins (TM proteins) play an important role in this phenomenon. CKS-17, a synthetic heptadecapeptide, represents the immunosuppressive site of these retroviral TM proteins. Here we support on

Induction of thromboxane release from macrophages by anaphylatoxic peptide C3a of complement and synthetic hexapeptide C3a 72-77.

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Guinea pig peritoneal macrophages were examined for their response to homologous anaphylatoxic peptide C3a of complement. C3a caused the release of considerable amounts of thromboxane A2 from macrophages maintained in serum-free culture for up to 12 hr. Preincubation of C3a with the Fab portion of a

Tc‑99m Ser‑Asp‑Val‑Glu‑Cys‑Gly: A novel Tc‑99m labeled hexapeptide for molecular and non‑invasive tumor imaging.

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In a ProteoChip‑based screening system and subsequent studies, serine‑aspartic acid‑valine (SDV) was demonstrated to specifically bind to integrin αvβ3. An SDV‑containing peptide could target the tumor vessel and it may be an effective replacement for molecular imaging of the tumor. In the present

Anti-inflammatory Properties of Bioactive Peptide Derived from Gastropod Influenced by Enzymatic Hydrolysis.

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The visceral mass of the gastropod, Harpa ventricosa was hydrolysed using trypsin, alcalase and pepsin for 12 h to produce protein hydrolysates. Subsequently, the active hydrolysate was observed in the 3rd hour of tryptic hydrolysate (29.17 ± 0.62 and 34.85 ± 0.55 %) using human red blood cell

Dermal inflammation elicited by synthetic analogs of Treponema pallidum and Borrelia burgdorferi lipoproteins.

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The membrane lipoproteins of Treponema pallidum and Borrelia burgdorferi have potent immunostimulatory properties in vitro, implicating them as major inflammatory mediators in syphilis and Lyme disease. Recently, we reported that synthetic lipohexapeptide analogs (lipopeptides) of the lipoproteins

Vascular endothelial growth factor-induced osteopontin expression mediates vascular inflammation and neointima formation via Flt-1 in adventitial fibroblasts.

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OBJECTIVE Adventitia acts as an active participant in vascular inflammation but the precise mechanism underlying adventitia-mediated vascular inflammation is not fully understood. In this study, we sought to determine whether vascular endothelial growth factor (VEGF) regulates osteopontin (OPN)

Role of placenta growth factor and its receptor flt-1 in rheumatoid inflammation: a link between angiogenesis and inflammation.

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OBJECTIVE To investigate the direct effects of placenta growth factor (PlGF) and its specific receptor, flt-1, which are known to mediate angiogenesis, on the inflammatory process of rheumatoid arthritis (RA). METHODS Expression of PlGF and flt-1 in the synovial tissue of RA patients was examined

EP80317 Restrains Inflammation and Mortality Caused by Scorpion Envenomation in Mice.

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Over 1 million cases of scorpion stings are estimated every year, whereas current treatment is limited to antivenom serum combined with supportive therapy. Tityus serrulatus scorpion venom (TsV) is composed of diverse molecules, including toxins that induce a catecholamine storm and mediate

Alkyloxy carbonyl modified hexapeptides as a high affinity compounds for Wnt5A protein in the treatment of psoriasis.

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Psoriasis is one of the most prevalent chronic inflammatory diseases of the skin. The Wnt pathways have been documented to play essential role in stem cell self-renewal and keratinocyte differentiation in the skin. Antagonizing the Wnt5a protein would emerge as a novel therapeutics in psoriasis

Solid-phase hexapeptide ligand libraries open up new perspectives in the discovery of biomarkers in human plasma.

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BACKGROUND Pre-treatment of plasma with hexapeptide ligand libraries prior to proteomic analysis is well documented. However, the maintenance of biomarker abundance throughout the different pre-analytical steps is required for a potential application of differential proteomics in clinical

Identification of TNF-alpha binding peptides from a D-amino acid hexapeptide library that specifically inhibit TNF-alpha binding to recombinant p55 receptor.

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Tumour necrosis factor alpha (TNF-alpha) is a pro-inflammatory cytokine with pleiotropic activity that binds to two transmembrane receptors. Its role in mediating the inflammatory response to injury or infection has been well documented and it has been shown to be a causative factor in rheumatoid

[Mechanisms of inhibiting production of tumor necrosis factor alpha by the synthetic hexapeptide--immunophane].

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The authors examined the human blood mononuclear-induced tumor necrosis factor production using the new drug--the synthetic hexapeptide Immunophan. The levels of tumor necrosis factor in the supernatant liquid were measured by the enzyme immunoassay and the cytotoxic test using L-929 fibroblastoid

Antileukinate, a hexapeptide inhibitor of CXC-chemokine receptor, suppresses bleomycin-induced acute lung injury in mice.

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A hexapeptide, Ac-RRWWCR-NH(2) (Antileukinate), has been reported to be a potent inhibitor of CXC-chemokine receptor. However, the in vivo anti-inflammatory activity of this agent has not been tested except in a rabbit skin edema model. This study was undertaken to investigate the effect of

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