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Full-Text Articles in Biochemistry, Biophysics, and Structural Biology
Epstein-Barr Viral Micrornas Target Caspase 3, Cecelia Harold, Diana Cox, Kasandra J. Riley
Epstein-Barr Viral Micrornas Target Caspase 3, Cecelia Harold, Diana Cox, Kasandra J. Riley
Faculty Publications
The Epstein-Barr virus (EBV) is a ubiquitous herpesvirus that transforms B cells and causes several malignancies including Burkitt’s lymphoma. EBV differentially expresses at least 49 mature microRNAs (miRNAs) during latency in various infected epithelial and B cells. Recent high-throughput studies and functional assays have begun to reveal the function of the EBV miRNAs suggesting roles in latency, cell cycle control, and apoptosis. In particular, the central executioner of apoptosis, Caspase 3 (CASP3), was proposed as a target of select EBV miRNAs. However, whether CASP3 is truly a target of EBV miRNAs, and if so, which specific miRNAs target CASP3 is …
A Microrna Imparts Robustness Against Environmental Fluctuation During Development, Xin Li, Justin J. Cassidy, Catherine A. Reinke, Stephen Fischboeck, Richard W. Carthew
A Microrna Imparts Robustness Against Environmental Fluctuation During Development, Xin Li, Justin J. Cassidy, Catherine A. Reinke, Stephen Fischboeck, Richard W. Carthew
Faculty Publications
The microRNA miR-7 is perfectly conserved from annelids to humans, and yet some of the genes that it regulates in Drosophila are not regulated in mammals. We have explored the role of lineage restricted targets, using Drosophila , in order to better understand the evolutionary significance of microRNA-target relationships. From studies of two well characterized developmental regulatory networks, we find that miR-7 functions in several interlocking feedback and feedforward loops, and propose that its role in these networks is to buffer them against perturbation. To directly demonstrate this function for miR-7, we subjected the networks to temperature fluctuation and found …
Bmp Signaling Goes Posttranscriptional In A Microrna Sort Of Way, Catherine A. Reinke, Richard W. Carthew
Bmp Signaling Goes Posttranscriptional In A Microrna Sort Of Way, Catherine A. Reinke, Richard W. Carthew
Faculty Publications
Aberrant microRNA (miRNA) expression correlates with human diseases such as cardiac disorders and cancer. Treatment of such disorders using miRNA-targeted therapeutics requires a thorough understanding of miRNA regulation in vivo. A recent paper in Nature by Davis et al. expands our understanding of miRNA biogenesis and maturation, elucidating a mechanism by which extracellular signaling directs cell differentiation via posttranscriptional regulation of miRNA expression.