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Leht 1 alates 101 tulemused
Anti-inflammatory Effects of Poly-L-lysine in Intestinal Mucosal System Mediated by Calcium-Sensing Receptor Activation.
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Logi sisse
Calcium-sensing receptor (CaSR) is involved in maintaining cellular homeostasis and promoting recovery of damaged intestinal epithelial cells (IECs). Poly-L-lysine (PL) is a basic polypeptide identified for its role in the activation of CaSR through allosteric binding. The primary goal of the
Involvement of tumour necrosis factor in monocyte-mediated rapid killing of actinomycin D-pretreated WEHI 164 sarcoma cells.
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Logi sisse
Human and murine monocyte-macrophages kill actinomycin D (ActD)-treated WEHI 164 sarcoma cells in a 6-hr 51Cr-release assay (drug-dependent cellular cytotoxicity, DDCC). In this study, we have investigated the cytotoxic activity of human recombinant tumour necrosis factor (hrTNF) against untreated
Ototoxicity in vitro: effects of neomycin, gentamicin, dihydrostreptomycin, amikacin, spectinomycin, neamine, spermine and poly-L-lysine.
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The effects that the aminoglycoside-aminocyclitol antibiotics amikacin, dihydrostreptomycin, gentamicin, neomycin, and spectinomycin, the neomycin fragment neamine, and the polybasic compounds spermine and poly-L-lysine, have on outer hair cells in cochlear cultures prepared from the early
Poly-L-Lysine induces fibrosis on alginate microcapsules via the induction of cytokines.
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Alginate-poly-L-lysine (PLL) microcapsules can be used for transplantation of insulin-producing cells for treatment of type I diabetes. In this work we wanted to study the inflammatory reactions against implanted microcapsules due to PLL. We have seen that by reducing the PLL layer, less overgrowth
Poly-L-Lysine Induces Fibrosis on Alginate Microcapsules via the Induction of Cytokines.
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Logi sisse
Alginate - poly-l-lysine (PLL) microcapsules can be used for transplantation of insulin-producing cells for treatment of type I diabetes. In this work we wanted to study the inflammatory reactions against implanted microcapsules due to PLL. We have seen that by reducing the PLL layer, less
Effect of poly-L-lysine coating on macrophage activation by alginate-based microcapsules: assessment using a new in vitro method.
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Logi sisse
The characteristics of the microcapsule surface, which interacts directly with the host macrophages, may have a role in the biocompatibility of alginate-poly-L-lysine (PLL)-alginate (APA) microcapsule. The objectives of the study were: 1) to develop and validate a simple, rapid, and sensitive in
[Building immune microsphere against tumor necrosis factor-alpha (TNF-alpha)].
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We have constructed the immune microsphere against tumor necrosis factor-alpha (TNF-alpha) prospectively, hoping to establish the experiment groundwork in more researches which could be used in specific elimination of the TNF-alpha by blood purification method for the future. The recombinant human
Involvement of a serine protease in tumour-necrosis-factor-mediated cytotoxicity.
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We investigated the effect of various protease inhibitors on the anti-proliferative and cytotoxic action of tumour necrosis factor (TNF) on mouse L929 fibrosarcoma cells. 1. The following serine-type protease inhibitors led to inhibition of TNF action: phenylmethylsulfonyl fluoride, N
Protective role of autophagy in branched polyethylenimine (25K)- and poly(L-lysine) (30-70K)-induced cell death.
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Polyethylenimine (PEI) and poly(L-lysine) (PLL), which are cationic polymers used for gene therapy, are known to be cytotoxic, but their molecular mechanisms of cell death are not fully understood. In this study, we provide evidence that PEI and PLL induced autophagy in HeLa cervical cancer cells.
Serine protease inhibitors inhibit superoxide release and adherence in human neutrophils stimulated by granulocyte-macrophage colony-stimulating factor and tumor necrosis factor-alpha.
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Logi sisse
Stimulation of human neutrophils with granulocyte-macrophage colony-stimulating factor (GM-CSF) or tumor necrosis factor-alpha (TNF) results in increased superoxide (O2-) release and adherence. O2- release and adherence are dependent on activation of extracellular signal-regulated kinase (ERK) and
A serine protease inhibitor, N-alpha-tosyl-l-lysine chloromethyl ketone, prolongs rat hepatic allograft survival.
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BACKGROUND
Serine protease inhibitors have profound suppressive effects on cellular and humoral immune responses. We investigated the effect of a serine protease inhibitor, N-alpha-tosyl-l-lysine chloromethyl ketone (TLCK), on hepatic allograft survival in rats. Methods. Orthotopic hepatic
L-Lysine protects against sepsis-induced chronic lung injury in male albino rats.
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Sepsis is a severe, life-threatening condition primarily caused by the cellular response to infection. Sepsis leads to increased tissue damage and mortality in patients in the intensive care unit. L-Lysine is an essential amino acid required for protein biosynthesis and is abundant in lamb, pork,
Activation of alpha-human tumour necrosis factor (TNF-alpha) by human monocytes (THP-1) exposed to 2-chloroethyl ethyl sulphide (H-MG).
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Logi sisse
Tumour necrosis factor (TNF) is a monokine produced by monocytes and macrophages in response to different stimuli. To determine whether vesicant agents such as half-mustard gas (H-MG; chemical structure: ClCH2CH2SCH2CH3) may induce the release of TNF-alpha in human monocytes (THP-1), ELISA
N-alpha-p-tosyl-L-lysine chloromethyl ketone (TLCK) suppresses neuritic degeneration caused by different experimental paradigms including in vitro Wallerian degeneration.
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Accumulating evidence indicates that neurite degeneration occurs via a distinct mechanism from somal death programs. We have previously shown that neuritic ATP level in sympathetic neurons decreases, whereas somal ATP level remains unaltered during degeneration caused by the microtubule-disrupting
One-dimensional poly(L-lysine)-block-poly(L-threonine) assemblies exhibit potent anticancer activity by enhancing membranolysis.
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Herein, we report the oncolytic activity of cationic, one-dimensional (1D) fibril assemblies formed from coil-sheet poly(L-lysine)-block-poly(L-threonine) (PLL-b-PLT) block copolypeptides for cancer therapy. The 1D fibril assemblies can efficiently interact with negatively charged cellular and
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