077 Type I immunity induces a senescence-like growth arrest in malaria parasites
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چکیده
منابع مشابه
Radiation-induced senescence-like terminal growth arrest in thyroid cells.
Premature senescence may play an important role as an acute, drug-, or ionizing radiation (IR)-inducible growth arrest program along with interphase apoptosis and mitotic catastrophe. The aim of the study was to evaluate whether IR can induce senescence-like phenotype (SLP) associated with terminal growth arrest in the thyroid cells, and if so, to evaluate impact of terminal growth arrest assoc...
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Accumulating evidence suggests a role for microRNAs in human carcinogenesis as novel types of tumor suppressors or oncogenes. However, their precise biological role remains largely elusive. In the present study, we aimed to identify microRNA species involved in the regulation of cell proliferation. Using quantitative RT-PCR analysis, we demonstrated that miR-34a was highly up-regulated in a hum...
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Hydrogen peroxide has been shown to induce either apoptosis or features of senescence in different cultured cell lines. We now show that both processes can be induced in the same culture of primary human diploid fibroblasts and that the outcome of apoptosis or the senescence-like phenotype is determined by the H2O2 concentrations. At 50 and 100 microM, H2O2 predominantly induced the senescence-...
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The signal transduction cascade initiated by the activation of phosphoinositide 3-kinase (PI-3 kinase) is implicated in mitogenic and antiapoptotic signaling generated by growth factors in a variety of cell types. We have examined the consequences of an inhibition of this pathway in human diploid fibroblasts. We find that a specific PI-3 kinase inhibitor (LY294002) causes growth arrest in these...
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Glioma is the most frequent and malignant primary human brain tumor with dismal prognosis despite multimodal therapy. Resveratrol and quercetin, two structurally related and naturally occurring polyphenols, are proposed to have anticancer effects. We report here that resveratrol and quercetin decreased the cell number in four glioma cell lines but not in rat astrocytes. Low doses of resveratrol...
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ژورنال
عنوان ژورنال: Journal of Investigative Dermatology
سال: 2019
ISSN: 0022-202X
DOI: 10.1016/j.jid.2019.07.080