Search Results - "Bell, George W."
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Predicting effective microRNA target sites in mammalian mRNAs
Published in eLife (12-08-2015)“…MicroRNA targets are often recognized through pairing between the miRNA seed region and complementary sites within target mRNAs, but not all of these canonical…”
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HSF1 Drives a Transcriptional Program Distinct from Heat Shock to Support Highly Malignant Human Cancers
Published in Cell (03-08-2012)“…Heat-Shock Factor 1 (HSF1), master regulator of the heat-shock response, facilitates malignant transformation, cancer cell survival, and proliferation in model…”
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Weak seed-pairing stability and high target-site abundance decrease the proficiency of lsy-6 and other microRNAs
Published in Nature structural & molecular biology (01-10-2011)“…A single miRNA can target hundreds of distinct transcripts, but some miRNAs such as C. elegans lsy-6 have very low target proficiency. The reasons behind this…”
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Therapeutic silencing of miR-10b inhibits metastasis in a mouse mammary tumor model
Published in Nature biotechnology (01-04-2010)“…Efforts to develop drugs that would prevent a primary tumor from spreading to new sites have been hampered by a lack of metastasis-specific targets. Working…”
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Fasting Activates Fatty Acid Oxidation to Enhance Intestinal Stem Cell Function during Homeostasis and Aging
Published in Cell stem cell (03-05-2018)“…Diet has a profound effect on tissue regeneration in diverse organisms, and low caloric states such as intermittent fasting have beneficial effects on…”
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Extensive alternative polyadenylation during zebrafish development
Published in Genome research (01-10-2012)“…The post-transcriptional fate of messenger RNAs (mRNAs) is largely dictated by their 3' untranslated regions (3' UTRs), which are defined by cleavage and…”
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MSC-Regulated MicroRNAs Converge on the Transcription Factor FOXP2 and Promote Breast Cancer Metastasis
Published in Cell stem cell (04-12-2014)“…Mesenchymal stem/stromal cells (MSCs) are progenitor cells shown to participate in breast tumor stroma formation and to promote metastasis. Despite expanding…”
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YAP1 Increases Organ Size and Expands Undifferentiated Progenitor Cells
Published in Current biology (04-12-2007)“…The mechanisms that regulate mammalian organ size are poorly understood. It is unclear whether the pathways that control organ size also impinge on…”
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MERAV: a tool for comparing gene expression across human tissues and cell types
Published in Nucleic acids research (04-01-2016)“…The oncogenic transformation of normal cells into malignant, rapidly proliferating cells requires major alterations in cell physiology. For example, the…”
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Parkinson's Disease Patient-Derived Induced Pluripotent Stem Cells Free of Viral Reprogramming Factors
Published in Cell (06-03-2009)“…Induced pluripotent stem cells (iPSCs) derived from somatic cells of patients represent a powerful tool for biomedical research and may provide a source for…”
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Natural epigenetic polymorphisms lead to intraspecific variation in Arabidopsis gene imprinting
Published in eLife (03-07-2014)“…Imprinted gene expression occurs during seed development in plants and is associated with differential DNA methylation of parental alleles, particularly at…”
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Formation of Human Neuroblastoma in Mouse-Human Neural Crest Chimeras
Published in Cell stem cell (02-04-2020)“…Neuroblastoma (NB), derived from the neural crest (NC), is the most common pediatric extracranial solid tumor. Here, we establish a platform that allows the…”
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Critical role for lysyl oxidase in mesenchymal stem cell-driven breast cancer malignancy
Published in Proceedings of the National Academy of Sciences - PNAS (23-10-2012)“…Mesenchymal stem cells (MSCs) are multipotent progenitor cells with the ability to differentiate into multiple mesoderm lineages in the course of normal tissue…”
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A regulatory program for excretory system regeneration in planarians
Published in Development (Cambridge) (15-10-2011)“…Planarians can regenerate any missing body part, requiring mechanisms for the production of organ systems in the adult, including their prominent tubule-based…”
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Lipolysis-stimulated lipoprotein receptor (LSR) is the host receptor for the binary toxin Clostridium difficile transferase (CDT)
Published in Proceedings of the National Academy of Sciences - PNAS (27-09-2011)“…Clostridium difficile infection (CDI) causes antibiotic-associated diarrhea and pseudomembranous colitis. Hypervirulent strains of the pathogen, which are…”
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Deletion of the de novo DNA methyltransferase Dnmt3a promotes lung tumor progression
Published in Proceedings of the National Academy of Sciences - PNAS (01-11-2011)“…Alterations in DNA methylation have been associated with genome-wide hypomethylation and regional de novo methylation in numerous cancers. De novo methylation…”
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Genome-wide Map of Nucleosome Acetylation and Methylation in Yeast
Published in Cell (26-08-2005)“…Eukaryotic genomes are packaged into nucleosomes whose position and chemical modification state can profoundly influence regulation of gene expression. We…”
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Transformation of Different Human Breast Epithelial Cell Types Leads to Distinct Tumor Phenotypes
Published in Cancer cell (01-08-2007)“…We investigated the influence of normal cell phenotype on the neoplastic phenotype by comparing tumors derived from two different normal human mammary…”
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Growth-Inhibitory and Tumor- Suppressive Functions of p53 Depend on Its Repression of CD44 Expression
Published in Cell (11-07-2008)“…The p53 tumor suppressor is a key mediator of cellular responses to various stresses. Here, we show that under conditions of basal physiologic and cell-culture…”
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Regulated ADAM17-dependent EGF family ligand release by substrate-selecting signaling pathways
Published in Proceedings of the National Academy of Sciences - PNAS (11-06-2013)“…Ectodomain cleavage of cell-surface proteins by A disintegrin and metalloproteinases (ADAMs) is highly regulated, and its dysregulation has been linked to many…”
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