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Título: | Post-translational Control of RNA-Binding Proteins and Disease-Related Dysregulation |
Autor: | Velázquez-Cruz, Alejandro CSIC ORCID; Baños-Jaime, Blanca; Díaz-Quintana, Antonio; Rosa, Miguel A. de la CSIC ORCID; Díaz-Moreno, Irene CSIC ORCID | Palabras clave: | Post-translational modifications RNA-binding protein Liquid–liquid phase separatio HuR TIA1/TIAR KSRP hnRNP K FUS |
Fecha de publicación: | 2021 | Editor: | Frontiers Media | Citación: | Frontiers in Molecular Biosciences, 8:658852 (2021) | Resumen: | Cell signaling mechanisms modulate gene expression in response to internal and external stimuli. Cellular adaptation requires a precise and coordinated regulation of the transcription and translation processes. The post-transcriptional control of mRNA metabolism is mediated by the so-called RNA-binding proteins (RBPs), which assemble with specific transcripts forming messenger ribonucleoprotein particles of highly dynamic composition. RBPs constitute a class of trans-acting regulatory proteins with affinity for certain consensus elements present in mRNA molecules. However, these regulators are subjected to post-translational modifications (PTMs) that constantly adjust their activity to maintain cell homeostasis. PTMs can dramatically change the subcellular localization, the binding affinity for RNA and protein partners, and the turnover rate of RBPs. Moreover, the ability of many RBPs to undergo phase transition and/or their recruitment to previously formed membrane-less organelles, such as stress granules, is also regulated by specific PTMs. Interestingly, the dysregulation of PTMs in RBPs has been associated with the pathophysiology of many different diseases. Abnormal PTM patterns can lead to the distortion of the physiological role of RBPs due to mislocalization, loss or gain of function, and/or accelerated or disrupted degradation. This Mini Review offers a broad overview of the post-translational regulation of selected RBPs and the involvement of their dysregulation in neurodegenerative disorders, cancer and other pathologies | Versión del editor: | https://doi.org/10.3389/fmolb.2021.658852 | URI: | http://hdl.handle.net/10261/241483 | DOI: | 10.3389/fmolb.2021.658852 |
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