نتایج جستجو برای: prevent fragmentation
تعداد نتایج: 210681 فیلتر نتایج به سال:
The ability of paclitaxel, one of the most active chemotherapeutic agents against breast cancer, to induce programmed cell death in hormone-independent MDA-MB-468 human breast cancer cells was assessed. Treatment of MDA-MB-468 cells led to growth inhibition, high-molecular-weight and oligonucleosomal DNA fragmentation, and apoptosis-associated morphological changes after either 3- or 24-h expos...
Yersinia species during infection adhere to host immune cells primarily to macrophages and employ its secretary proteins known as Yersinia outer proteins to trigger death in infected cells. In the present study, it is shown that recombinant Yersinia outer protein J (rYopJ) could induce apoptosis in murine peritoneal macrophages in vitro as assessed by morphological features, internucleosomal DN...
Article history: Received on: 29/11/2012 Revised on: 15/12/2012 Accepted on: 24/12/2012 Available online: 30/12/2012 LCT is a synthetic pyrethroid, developed as an insecticide for agricultural and public health applications. The purpose of this study was to investigate the adverse effects of LCT on rat liver and to elucidate hepatoprotective ability of CMN against LCT. Liver injury in male rats...
The human cytomegalovirus developed distinct evasion mechanisms from the cellular antiviral response involving vMIA, a virally-encoded protein that is not only able to prevent cellular apoptosis but also to inhibit signalling downstream from mitochondrial MAVS. vMIA has been shown to localize at mitochondria and to trigger their fragmentation, a phenomenon proven to be essential for the signall...
XML query processors suffer from main-memory limitations that prevent them from processing large XML documents. While content-based predicates can be used to project down parts of the documents, it may still be needed to resize the obtained projections according to structural constraints. In this paper, we consider size, tree-width and tree-depth constraints to enable a structuredriven fragment...
Massive stars influence their surroundings through radiation, winds, and supernova explosions far out of proportion to their small numbers. However, the physical processes that initiate and govern the birth of massive stars remain poorly understood. Two widely discussed models are monolithic collapse of molecular cloud cores and competitive accretion. To learn more about massive star formation,...
Mitochondrial dysfunction and oxidative stress are the major events that lead to the formation of mitochondrial permeability transition pore (mPTP) during glutamate-induced cytotoxicity and cell death. Coenzyme Q10 (CoQ10) has widely been used for the treatment of mitochondrial disorders and neurodegenerative diseases. Comparing to traditional lipid-soluble CoQ10, water soluble CoQ10 (Ubisol-Q1...
The cGMP/protein kinase G (PKG) signalling pathway, at basal levels, has anti-apoptotic/pro-survival effects in certain neural cells. The present study determined apoptosis-regulating effects of basal cGMP/PKG in an immortalized uterine epithelial cell line, HRE-H9 cells, using two soluble guanylyl cyclase (sGC) inhibitors, NS2028 and ODQ, and a PKG inhibitor, KT5823. A new quantitative, ultras...
Vascular smooth muscle cells (VSMCs) develop a highly proliferative and synthetic phenotype in arterial diseases. Because such phenotypic changes are likely integrated with the energetic state of the cell, we hypothesized that changes in cellular metabolism regulate VSMC plasticity. VSMCs were exposed to platelet-derived growth factor-BB (PDGF) and changes in mitochondrial morphology, prolifera...
Caffeine is synergistic with many DNA-damaging agents in increasing lethality to mammalian cells. The mechanism is not well understood. Our results show that caffeine potentiates the lethality of the nitrogen mustard 2-chloro-N-(2-chloroethyl)-N-methylethanamine (HN2) by inducing damaged cells to undergo mitosis before properly repairing lesions in their DNA. Treatment with low doses of HN2 (0....
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