نتایج جستجو برای: splicing modulation
تعداد نتایج: 176802 فیلتر نتایج به سال:
introduction: endothelial progenitor colony forming unit-endothelial cells (cfu-ec) were first believed to be the progenitors of endothelial cells, named endothelial progenitor cells. further studies revealed that they are monocytes regulating vasculogenesis. the main hindrance of these cells for therapeutic purposes is their low frequency and limited replicative potentials. this study was unde...
leishmania is a protozoan parasite belonging to the family trypanosomatidae, which is found among 88 different countries. the parasite lives as an amastigote in vertebrate macrophages and as a promastigote in the digestive tract of sand fly. it can be cultured in the laboratory using appropriate culture media. although the sexual cycle of leishmania has not been observed during the promastigo...
background: echinococcus multilocularis is a tiny tapeworm, responsible for 0.3~0.5 million alveolar echinococcosis in humans. methods: we searched relevant papers published between 1981 and 2013 based on the database sources such as pubmed and google scholar, and collected and integrated the data for analysis. results: the parasite is able to use host-originated molecules to modulate its devel...
Genome-Wide Analysis of Alternative Splicing during Dendritic Cell Response to a Bacterial Challenge
The immune system relies on the plasticity of its components to produce appropriate responses to frequent environmental challenges. Dendritic cells (DCs) are critical initiators of innate immunity and orchestrate the later and more specific adaptive immunity. The generation of diversity in transcriptional programs is central for effective immune responses. Alternative splicing is widely conside...
Antisense-mediated modulation of pre-mRNA splicing is an attractive therapeutic strategy for genetic diseases. Currently, there are few examples of modulation of pre-mRNA splicing using locked nucleic acid (LNA) antisense oligonucleotides, and, in particular, no systematic study has addressed the optimal design of LNA-based splice-switching oligonucleotides (LNA SSOs). Here, we designed a serie...
The transcripts of L-type voltage-gated calcium channels (CaV) 1.3 undergo extensive alternative splicing. Alternative splicing, particularly in the C terminus, drastically modifies gating properties of the channel. However, little is known about whether alternative splicing could modulate the pharmacologic properties of CaV1.3 in a manner similar to the paralogous CaV1.2. Here we undertook the...
Apoptosis, a phenomenon that allows the regulated destruction and disposal of damaged or unwanted cells, is common to many cellular processes in multicellular organisms. In humans more than 200 proteins are involved in apoptosis, many of which are dysregulated or defective in human diseases including cancer. A large number of apoptotic factors are regulated via alternative splicing, a process t...
The synthesis and processing of mRNA, from transcription to translation initiation, often requires splicing of intragenic material. The final mRNA composition varies based on proteins that modulate splice site selection. EWS-FLI1 is an Ewing sarcoma (ES) oncoprotein with an interactome that we demonstrate to have multiple partners in spliceosomal complexes. We evaluate the effect of EWS-FLI1 on...
Mutations of the splicing factor-encoding gene U2AF1 are frequent in the myelodysplastic syndromes (MDS), a myeloid malignancy, and other cancers. Patients with MDS suffer from peripheral blood cytopenias, including anemia, and an increasing percentage of bone marrow myeloblasts. We studied the impact of the common U2AF1S34F mutation on cellular function and mRNA splicing in the main cell linea...
The molecular mechanisms through which alternative splicing and histone modifications regulate gene expression are now understood in considerable detail. Here, we discuss recent studies that connect these two previously separate avenues of investigation, beginning with the unexpected discoveries that nucleosomes are preferentially positioned over exons and DNA methylation and certain histone mo...
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