نتایج جستجو برای: micrornas mirnas

تعداد نتایج: 37547  

Journal: :Cell 2009
Olivier Voinnet

MicroRNAs (miRNAs) are key posttranscriptional regulators of eukaryotic gene expression. Plants use highly conserved as well as more recently evolved, species-specific miRNAs to control a vast array of biological processes. This Review discusses current advances in our understanding of the origin, biogenesis, and mode of action of plant miRNAs and draws comparisons with their metazoan counterpa...

Journal: :Frontiers in Cardiovascular Medicine 2021

Congenital heart defects (CHDs) represent the most common human birth defects. Our previous study indicates that malfunction of microRNAs (miRNAs) in cardiac neural crest cells (NCCs), which contribute to development and connected great vessels, is likely linked pathogenesis CHDs. In this study, we attempt further search for causative single-nucleotide variants (SNVs) from CHD patients mediate ...

Carcinoma of the stomach is one of the major prevalent and principal causes of cancer-related deaths worldwide. Current advancement in technology has improved the understanding of the pathogenesis and pathology of gastric cancers (GC). But, high mortality rates, unfavorable prognosis and lack of clinical predictive biomarkers provide an impetus to investigate novel early diagnostic/prognostic m...

MicroRNAs (miRNAs) are severely protected sequences and single stranded structures approximately 18 to 25 nucleotides in length. The crucial role of miRNAs has been previously proved in the regulation of the gene expression in post transcriptional modification events of messenger RNA. The precise mechanism by which miRNAs modulate translational repression of mRNAs is not fully determined. Howev...

2011
Flavia Pichiorri Luciana De Luca Rami I. Aqeilan

MicroRNAs (miRNAs) are short non-coding RNAs that play critical roles in numerous cellular processes through post-transcriptional regulating functions. The aberrant role of miRNAs has been reported in a number of hematopoietic malignancies including multiple myeloma (MM). In this review we summarize the current knowledge on roles of miRNAs in the pathogenesis of MM.

Journal: :Journal of immunology 2010
Francisco Navarro Judy Lieberman

MicroRNAs (miRNAs) are key regulators of gene expression that help direct normal differentiation and malignant transformation of hematopoietic cells. This review summarizes our current knowledge of how miRNAs function in normal and malignant hematopoiesis and how miRNAs might be applied for disease treatment.

Journal: :Cell 2009
Andrea Ventura Tyler Jacks

MicroRNAs (miRNAs) may be important regulators of gene expression. By modulating oncogenic and tumor suppressor pathways they could, in principle, contribute to tumorigenesis. Consistent with this hypothesis, recurrent genetic and epigenetic alterations of individual miRNAs are found in some tumors. Functional studies are now elucidating the mechanism of action of putative oncogenic and tumor s...

Journal: :Genes 2023

MicroRNAs (miRNAs) are single-stranded, non-coding RNA molecules that regulate gene expression post-transcriptionally by binding to messenger RNAs. miRNAs important regulators of expression, and their dysregulation is implicated in many human canine diseases. Most cancers tested date have been shown express altered miRNA levels, which indicates potential importance the oncogenic process. Based ...

Journal: :Molecular Medicine Reports 2021

MicroRNAs (miRNAs) perform a variety of important cellular functions, including regulating the cell cycle, apoptosis and differentiation, amongst others. Recent research has demonstrated an essential function performed by miRNAs in pyroptosis, which is type programmed death associated with inflammatory responses that plays critical role numerous diseases. Through direct or indirect action on pr...

Journal: :Cell 2008
Joshua T. Mendell

MicroRNAs (miRNAs) encoded by the miR-17-92 cluster and its paralogs are known to act as oncogenes. Expression of these miRNAs promotes cell proliferation, suppresses apoptosis of cancer cells, and induces tumor angiogenesis. New work reveals essential functions for these miRNAs not only in tumor formation but also during normal development of the heart, lungs, and immune system.

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