Please use this identifier to cite or link to this item:
logo share SHARE BASE
Visualizar otros formatos: MARC | Dublin Core | RDF | ORE | MODS | METS | DIDL | DATACITE

Vaccinia-related kinase (VRK) signaling

AuthorsSanz-García, Marta CSIC; Valbuena, A.; López-Sánchez, Inmaculada; Blanco, Sandra CSIC ORCID; Fernández, Isabel F. CSIC; Vázquez-Cedeira, Marta CSIC; Lazo, Pedro A. CSIC ORCID
Cell signaling
Issue Date8-Mar-2010
PublisherTransworld Research Network (Trivandrum, India)
CitationEmerging Signaling Pathways in Tumor Biology : 135-156 (2010)
AbstractVRK (vaccinia-related kinase) is a group of three proteins in the human kinome. These proteins, mainly VRK1 and VRK2, have been studied in the context of their substrates and interacting proteins in order to identify and characterize their signaling pathway, as well as their effect on other signaling pathways. VRK1 is mostly a nuclear kinase that specifically phosphorylates p53, c-Jun, ATF2, CREB, BAF and histone H3. VRK1 is an early response gene and is implicated in regulation of cell cycle progression. VRK1 is activated in response to DNA damage phosphorylating p53, which is stabilized and activated; this active p53 induces a downregulatory mechanism of VRK1 that permits the reversal of p53 induced effects. The activity of nuclear VRK1 is regulated by its interaction with the Ran small GTPase. Also, VRK1 is a downstream component of the signaling pathway of MEK-Plk3 that induces Golgi fragmentation in mitosis. VRK2 has two isoforms; VRK2A is cytosolic and bound to endoplasmic reticulum and mitochondrial membranes. VRK2B is a shorter isoform free in cytosol and nucleus. VRK2A affects cellular signaling by interaction with scaffold proteins, as JIP1. The JIP1-VRK2A signalosome blocks the incorporation of JNK, preventing its activation,and thus reducing the stress response to inflammatory cytokines as interleukin-1β and to hypoxia.
Description22 páginas, 5 figuras.
Publisher version (URL)
Appears in Collections:(IBMCC) Libros y partes de libros

Files in This Item:
File Description SizeFormat
7 Lazo.pdf454,81 kBAdobe PDFThumbnail
Show full item record
Review this work

Page view(s)

checked on May 26, 2022


checked on May 26, 2022

Google ScholarTM



WARNING: Items in Digital.CSIC are protected by copyright, with all rights reserved, unless otherwise indicated.