Institution
Friedrich Miescher Institute for Biomedical Research
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About: Friedrich Miescher Institute for Biomedical Research is a based out in . It is known for research contribution in the topics: Chromatin & Regulation of gene expression. The organization has 1209 authors who have published 1863 publications receiving 170541 citations. The organization is also known as: Friedrich Miescher Institute & FMI.
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TL;DR: This Review summarizes the current understanding of the mechanistic aspects of microRNA-induced repression of translation and discusses some of the controversies regarding different modes of micro RNA function.
Abstract: MicroRNAs constitute a large family of small, approximately 21-nucleotide-long, non-coding RNAs that have emerged as key post-transcriptional regulators of gene expression in metazoans and plants. In mammals, microRNAs are predicted to control the activity of approximately 30% of all protein-coding genes, and have been shown to participate in the regulation of almost every cellular process investigated so far. By base pairing to mRNAs, microRNAs mediate translational repression or mRNA degradation. This Review summarizes the current understanding of the mechanistic aspects of microRNA-induced repression of translation and discusses some of the controversies regarding different modes of microRNA function.
4,973 citations
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TL;DR: This work has shown that the regulation of miRNA metabolism and function by a range of mechanisms involving numerous protein–protein and protein–RNA interactions has an important role in the context-specific functions of miRNAs.
Abstract: MicroRNAs (miRNAs) are a large family of post-transcriptional regulators of gene expression that are ~21 nucleotides in length and control many developmental and cellular processes in eukaryotic organisms. Research during the past decade has identified major factors participating in miRNA biogenesis and has established basic principles of miRNA function. More recently, it has become apparent that miRNA regulators themselves are subject to sophisticated control. Many reports over the past few years have reported the regulation of miRNA metabolism and function by a range of mechanisms involving numerous protein-protein and protein-RNA interactions. Such regulation has an important role in the context-specific functions of miRNAs.
4,123 citations
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TL;DR: This work discusses the significance of these receptors as clinical targets, in particular the molecular mechanisms underlying response, and many ERBB inhibitors used in the clinic.
Abstract: ERBB receptor tyrosine kinases have important roles in human cancer. In particular, the expression or activation of epidermal growth factor receptor and ERBB2 are altered in many epithelial tumours, and clinical studies indicate that they have important roles in tumour aetiology and progression. Accordingly, these receptors have been intensely studied to understand their importance in cancer biology and as therapeutic targets, and many ERBB inhibitors are now used in the clinic. We will discuss the significance of these receptors as clinical targets, in particular the molecular mechanisms underlying response.
3,083 citations
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TL;DR: In this article, the authors describe principles of miRNA-mRNA interactions and proteins that interact with miRNAs and function in miRNA mediated repression, and discuss the multiple, often contradictory, mechanisms that miRNA have been reported to use, which cause translational repression and mRNA decay.
Abstract: MicroRNAs (miRNAs) are small noncoding RNAs that extensively regulate gene expression in animals, plants, and protozoa. miRNAs function posttranscriptionally by usually base-pairing to the mRNA 3′-untranslated regions to repress protein synthesis by mechanisms that are not fully understood. In this review, we describe principles of miRNA-mRNA interactions and proteins that interact with miRNAs and function in miRNA-mediated repression. We discuss the multiple, often contradictory, mechanisms that miRNAs have been reported to use, which cause translational repression and mRNA decay. We also address the issue of cellular localization of miRNA-mediated events and a role for RNA-binding proteins in activation or relief of miRNA repression.
2,762 citations
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TL;DR: Results show that promoter sequence and gene function are major predictors of promoter methylation states and that inactive unmethylated CpG island promoters show elevated levels of dimethylation of Lys4 of histone H3, suggesting that this chromatin mark may protect DNA from methylation.
Abstract: To gain insight into the function of DNA methylation at cis-regulatory regions and its impact on gene expression, we measured methylation, RNA polymerase occupancy and histone modifications at 16,000 promoters in primary human somatic and germline cells. We find CpG-poor promoters hypermethylated in somatic cells, which does not preclude their activity. This methylation is present in male gametes and results in evolutionary loss of CpG dinucleotides, as measured by divergence between humans and primates. In contrast, strong CpG island promoters are mostly unmethylated, even when inactive. Weak CpG island promoters are distinct, as they are preferential targets for de novo methylation in somatic cells. Notably, most germline-specific genes are methylated in somatic cells, suggesting additional functional selection. These results show that promoter sequence and gene function are major predictors of promoter methylation states. Moreover, we observe that inactive unmethylated CpG island promoters show elevated levels of dimethylation of Lys4 of histone H3, suggesting that this chromatin mark may protect DNA from methylation.
2,101 citations
Authors
Showing all 1217 results
Name | H-index | Papers | Citations |
---|---|---|---|
Nahum Sonenberg | 167 | 647 | 104053 |
Roy Parker | 110 | 294 | 47736 |
Brian A. Hemmings | 105 | 311 | 47171 |
Thomas Boller | 101 | 310 | 42294 |
Susan M. Gasser | 91 | 306 | 28567 |
Daniel J. Müller | 88 | 359 | 25733 |
Yves-Alain Barde | 83 | 168 | 35485 |
Ulrich Müller | 82 | 319 | 22740 |
Anthony Rosenzweig | 77 | 209 | 23646 |
Michael P. Doyle | 76 | 704 | 27070 |
Stefano Ferrari | 72 | 525 | 21676 |
Christopher E. Mason | 72 | 434 | 27528 |
Dirk Schübeler | 71 | 124 | 22229 |
Nancy E. Hynes | 71 | 177 | 25525 |
Cyril Zipfel | 69 | 185 | 22688 |