نتایج جستجو برای: nuclear remodeling
تعداد نتایج: 289543 فیلتر نتایج به سال:
Significance Mitogen-activated protein kinases (MAPKs) function in all eukaryotes signaling extracellular stimuli to intracellular responses and ultimately link them chromatin events by targeting transcription factors remodeling complexes. In plants, MAPKs play crucial roles immunity, development, stress responses, but so far no attempts have been made identify phosphorylation of chromatin-asso...
Myocardial infarction is commonly complicated by left ventricular remodeling, a process that leads to cardiac dilatation, congestive heart failure and death. The innate immune system plays a pivotal role in the remodeling process via nuclear factor (NF)-kappaB activation. The NF-kappaB transcription factor family includes several subunits (p50, p52, p65, c-Rel, and Rel B) that respond to myocar...
In eukaryotes, processes requiring access to DNA are inhibited by the structural packaging of the genome. A number of specialized ATP-dependent chromatin remodeling enzymes have evolved to overcome this inhibition. One subset of these enzymes, SWI/SNF, plays a critical role in the regulation of transcription, often functioning in concert with nuclear histone acetyltransferases (HATs). It remain...
GTS1 in yeast Saccharomyces cerevisiae is a pleiotropic gene, the expression of which affects a wide range of biological phenomena. A genome-wide transcriptional analysis identified genes upregulated in response to GTS1 induction, most of which were found to be regulated by the Tup1-Cyc8 co-repressor. Among the upregulated genes, FLO1 was indispensable for cell aggregation, one of the pleiotrop...
Human helicase-like transcription factor (HLTF) exhibits ubiquitin ligase activity for proliferating cell nuclear antigen (PCNA) polyubiquitylation as well as double-stranded DNA translocase activity for remodeling stalled replication fork by fork reversal, which can support damage bypass by template switching. However, a stalled replication fork is surrounded by various DNA-binding proteins wh...
The modification of chromatin structure by various mechanisms has emerged as a key regulatory component of nuclear programs. Cell cycle progression and exit are affected by the integrity of chromatin architecture as well as by regulatory cues that chromatin structure imposes on the expression of cell cycle genes. ATP-dependent chromatin remodeling factors use the energy derived from ATP-hydroly...
Transcription of inflammatory genes in innate immune cells is coordinately regulated by transcription factors, including NF-κB, and chromatin modifiers. However, it remains unclear how microbial sensing initiates chromatin remodeling. Here, we show that Akirin2, an evolutionarily conserved nuclear protein, bridges NF-κB and the chromatin remodeling SWI/SNF complex by interacting with BRG1-Assoc...
This study was designed to characterize in vivo arterial remodeling of male Wistar rat small mesenteric arteries exposed to varying levels of elevated blood flow in the presence of normal arterial pressure. Through a series of arterial ligations, respective ileal artery and second-order branch blood flows acutely increased ∼36 and ∼170% over basal levels. Their respective diameters increased 12...
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