نتایج جستجو برای: 9 to 27
تعداد نتایج: 10751862 فیلتر نتایج به سال:
Bacterial lipopolysaccharide (LPS) induces release of inflammatory mediators both in immune and epithelial cells. We investigated whether changes of epigenetic marks, including selected histone modification and DNA methylation, may drive or accompany the activation of COX-2 gene in HT-29 human intestinal epithelial cells upon exposure to LPS. Here we describe cyclical histone acetylation (H3), ...
caspase-3 (ref. 18). It has been shown that overexpression of Hsp70 does not preclude the activation of a caspase-3-like activity, but prevents the downstream morphological changes that are characteristic of dying cells. With regard to Hsp27, Pandey et al. have recently reported direct binding and inhibition of caspase-3 processing by this protein. However, the authors failed to detect an effec...
The connections between various nuclear processes and specific histone posttranslational modifications are dependent to a large extent on the acquisition of those modifications after histone synthesis. The reestablishment of histone posttranslational modifications after S phase is especially critical for H3K9 and H3K27 trimethylation, both of which are linked with epigenetic memory and must be ...
In order to investigate the mechanism of cisplatin resistance, a cisplatin-resistant human gastric cancer cell line was established. Subsequent to the exposure of the YCC-3 gastric cancer cell line to equal concentrations of cis-diammine-dichloroplatinum (II) (cisplatin, CDDP) for 6 months, a cisplatin-resistant cell line was established (YCC-3/R). To determine the molecular mechanism of cispla...
OPINION article Front. Built Environ., 27 July 2023Sec. Transportation and Transit Systems Volume 9 - 2023 | https://doi.org/10.3389/fbuil.2023.1239740
We previously reported that primordial germ cells (PGCs) in mice erase genome-wide DNA methylation and histone H3 lysine9 dimethylation (H3K9me2), and instead acquire high levels of tri-methylation of H3K27 (H3K27me3) during their migration, a process that might be crucial for the re-establishment of potential totipotency in the germline. We here explored a cellular dynamics associated with thi...
EDITORIAL article Front. Appl. Math. Stat., 27 March 2023Sec. Dynamical Systems Volume 9 - 2023 | https://doi.org/10.3389/fams.2023.1178479
objective: the objective of this study was to investigate the invitro fluoride release of four new self-adhesive resin cements; set (sdi, australia), breeze (pentron, usa), embrace wetbond (pulpdent, usa), g-cem (gc, japan) and to assess the bonding performance of these self-adhesive resin cements for bonding of orthodontic brackets. materials and methods: for fluoride release experiment, six ...
EDITORIAL article Front. Mar. Sci., 27 October 2022Sec. Marine Ecosystem Ecology Volume 9 - 2022 | https://doi.org/10.3389/fmars.2022.1060958
abstract this research is about a longitudinal case study of english morpheme acquisition by a persian speaking child l2 learner of english (2 .9-3).the goal of this research has been discovery of the child ‘s ability in acquiring of english morphemes in a persian context while only one person (the child’ s father)has been talking to her.this child has also been exposed to english languag...
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