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Caspase-8 and p38MAPK in DATS-induced apoptosis of human CNE2 cells BJMBR
Ji,C.; Ren,F.; Xu,M..
Nasopharyngeal carcinoma is a common malignancy in Southern China of uncertain etiologic origin. Diallyl trisulfide (DATS), one of the major components of garlic (Allium sativum), is highly bactericidal and fungicidal. In this study, we investigated the function of p38 mitogen-activated protein kinase (MAPK) and caspase-8 in DATS-induced apoptosis of human CNE2 cells using MTT [3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide], flow cytometry assay, and Western blotting. After CNE2 cells were treated with DATS (50, 100, or 150 μM) for 24 h, cell viability rates were 75.9, 63.4 and 39.6%, and apoptosis rates were 24.5, 36.9, and 62.4%, respectively. The data showed that DATS induced CNE2 cell death in a dose-dependent manner. After human CNE2...
Tipo: Info:eu-repo/semantics/article Palavras-chave: DATS; P38 MAPK; Caspase-8; Inhibitor; Apoptosis.
Ano: 2010 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2010000900003
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Integrin-linked kinase is involved in lactoferrin-induced anchorage-independent cell growth and survival in PC12 cells OAK
Ishii, Toshiaki; Uto, Tomoka; Mori, Kaori; Fujikawa, Ryu; 石井, 利明.
Aims: Bovine lactoferrin (bLf) causes anchorage-independent cell growth in PC12 cells. The present study investigated the mechanisms involved in bLf-induced anchorage-independent cell growth and survival in PC12 cells. Main methods: The number of adherent cells and suspended cells was estimated separately by using a methyl thiazol tetrazolium (MTT) assay, and the sum of both optical density (O.D.) (570 nm) values was used as a measure of the total number of cells. Key findings: Integrin-linked kinase (ILK) plays an important role in integrin and growth factor signaling pathways. Stable transfection of PC12 cells with a dominant negative kinase-deficient mutant of ILK (DN-ILK) inhibited bLf-induced anchorage-independent cell growth. The ILK activity in the...
Palavras-chave: Bovine lactoferrin; PC12 cell; Integrin-linked kinase; Integrin; P38 MAPK; Cell suspension; Cell adhesion; Cell growth; Cell viability; Dominant-negative mutant; Anchorage-independent growth.
Ano: 2009 URL: http://ir.obihiro.ac.jp/dspace/handle/10322/2675
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Therapeutic approaches for tumor necrosis factor inhibition BJPS
Barbosa,Maria Letícia de Castro; Fumian,Milla Machado; Miranda,Ana Luísa Palhares de; Barreiro,Eliezer J.; Lima,Lídia Moreira.
Tumor necrosis factor (TNF) consists of an inflammatory cytokine essential for homeostasis and organism defense. Despite its physiological relevance, both increased biosynthesis and release of TNF lead to the exacerbation of inflammatory and oxidative responses, which are related to the pathogenesis of a host of diseases of an inflammatory, autoimmune and/or infectious nature. In this context, effective therapeutic approaches for the modulation of TNF have been the focus of research efforts. Approximately one million individuals worldwide have been treated with biotechnological inhibitors of this cytokine, the so-called anti-TNF biopharmaceuticals. However, given the high risk of infection and the limitations related to cost and administration routes, new...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Tumor necrosis factor; TACE; P38 MAPK; NF-κB; CAMP; Phosphodiesterase; Adenosine receptor.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502011000300002
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TMPYP4 exerted antitumor effects in human cervical cancer cells through activation of p38 mitogen-activated protein kinase Biol. Res.
Cheng,Ming‑Jun; Cao,Yun‑Gui.
Abstract Background The aim of the present study was to investigate the potential effects of the 5,10,15,20‑tetrakis (1‑meth‑ ylpyridinium‑4‑yl) porphyrin (TMPyP4) on the proliferation and apoptosis of human cervical cancer cells and the underlying mechanisms by which TMPyP4 exerted its actions. Results After human cervical cancer cells were treated with different doses of TMPyP4, cell viability was determined by 3‑(4,5‑dimethyl‑2‑thiazolyl)‑2,5‑diphenyl‑2‑H‑tetrazolium bromide (MTT) method, the apoptosis was observed by flow cytometry (FCM), and the expression of p38 mitogen‑activated protein kinase...
Tipo: Journal article Palavras-chave: TMPyP4; P38 MAPK; Human cervical cancer cells; Proliferation; Apoptosis.
Ano: 2017 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602017000100217
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