Abstract：
:MAPK signalling is a complex process not only requiring the core components Raf, MEK and Erk, but also many proteins like the scaffold protein KSR and several kinases to specifically localize, modulate and fine-tune the outcome of the pathway in a cell context specific manner. In mammals, protein kinase CK2 was shown to bind to the scaffold protein KSR and to phosphorylate Raf proteins at a conserved serine residue in the negative-charge regulatory (N-) region, thereby facilitating maximal activity of the MAPK signalling pathway. In this work we show that in Drosophila CK2 is also bound to KSR. However, despite the presence of a corresponding serine residue in the N-region of DRaf, CK2-mediated phosphorylation of DRaf takes place on a serine residue at the N-terminus and is required for Erk activation. Previous work identified polyamines as regulators of CK2 kinase activity. The main cellular source of polyamines is the catabolism of amino acids. Evidence is provided that phosphorylation of DRaf by CK2 is modulated by polyamines, with spermine being the most potent inhibitor of the reaction. We suggest that CK2 is able to monitor intracellular polyamine levels and translates this information to modulate MAPK signalling.
journal_name
Cell Signaljournal_title
Cellular signallingauthors
Stark F,Pfannstiel J,Klaiber I,Raabe Tdoi
10.1016/j.cellsig.2011.01.013subject
Has Abstractpub_date
2011-05-01 00:00:00pages
876-82issue
5eissn
0898-6568issn
1873-3913pii
S0898-6568(11)00014-3journal_volume
23pub_type
杂志文章abstract：:The p75 neurotrophin receptor (p75(NTR)) plays a critical role in various neuronal and non-neuronal cell types by regulating cell survival, differentiation and proliferation. To evaluate the influence of p75(NTR) in breast cancer development, we have established and characterized breast cancer cells which stably overe...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2010.07.014
更新日期：2010-12-01 00:00:00
abstract：:The attachment of spindle microtubules to kinetochores is crucial for accurate segregation of chromosomes to daughter cells during mitosis. While a growing number of proteins involving this step are being identified, its molecular mechanisms are still not clear. Here we show that protein kinase C zeta (PKCzeta) is loc...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2006.05.017
更新日期：2006-12-01 00:00:00
abstract：:Homer1 protein is an important scaffold protein at postsynaptic density and has been demonstrated to play a central role in calcium signaling in the central nervous system. The aim of this study was to investigate the effects of Homer1 knockdown on MPP(+) induced neuronal injury in cultured dopamine (DA) neurons. We f...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2013.09.004
更新日期：2013-12-01 00:00:00
abstract：:Both sphingosine-1-phosphate receptor-2 (S1PR2) and cytosolic phospholipase A2 (cPLA2) are implicated in the disruption of cerebrovascular integrity in experimental stroke. However, the role of S1PR2 in induction of cPLA2 phosphorylation during cerebral ischemia-induced endothelial dysfunction remains unknown. This st...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2018.09.019
更新日期：2019-01-01 00:00:00
abstract：:Macrophages are projected as one of the key players responsible for the progression of cancer. Classically activated (M1) macrophages are pro-inflammatory and have a central role in host defense, while alternatively activated (M2) macrophages are associated with immunosuppression. Macrophages residing at the site of n...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2015.03.013
更新日期：2015-07-01 00:00:00
abstract：:Peroxisome proliferator-activated receptor γ (PPARγ) is a member of the nuclear receptor family and plays key roles in glucose and lipid metabolism. Its transcriptional control of target genes is mediated by ligand-dependent recruitment of coactivators. In this study, we demonstrate that a novel transcriptional modula...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2014.11.035
更新日期：2015-03-01 00:00:00
abstract：:Glioblastoma, the most lethal form of brain cancer, is characterized by fast growth, migration and invasion of the surrounding parenchyma, with epithelial-to-mesenchymal transition (EMT)-like process being mostly responsible for tumour spreading and dissemination. A number of actors, including cadherins, vimentin, tra...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2019.109461
更新日期：2020-01-01 00:00:00
abstract：:The cyclin-dependent kinase inhibitors (CKI) interact with cyclin-cdk complexes to arrest mitogen-stimulated transit through the cell cycle, but we and others have recently shown that these molecules can exert permissive effects on cell cycle transit as well. The p53 protein induces transcription of the p21(Waf1/Cip1)...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/s0898-6568(00)00081-4
更新日期：2000-06-01 00:00:00
abstract：:Suppressor of Fused (SuFu) plays a conservative role in the regulation of the Gli transcription factors within the Hedgehog (Hh) signaling pathway. Despite the central importance of SuFu in the Hh pathway, little is known about its regulation. Here, we performed a GAL4-based yeast two-hybrid screen using human SuFu as...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2016.06.010
更新日期：2016-09-01 00:00:00
abstract：:Endothelial cell activation by proinflammatory stimuli drives leukocyte recruitment through enhanced expression of counter-receptors such as vascular cell adhesion molecule-1 (VCAM-1). We previously demonstrated that activation of the receptor tyrosine kinase EphA2 with its ligand ephrin-A1 induces VCAM-1 expression. ...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2018.05.008
更新日期：2018-09-01 00:00:00
abstract：:The earliest substrates to the transmembrane insulin receptor tyrosine kinase, that would function in insulin signalling, are likely to be associated with the plasma membrane. Rat liver plasma membrane 180,000 M(r) protein (p180) is a substrate to the insulin receptor in vitro [Goren et al. (1990) Cellular Signalling ...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/0898-6568(93)90016-f
更新日期：1993-05-01 00:00:00
abstract：:Wnt proteins are secreted glycoproteins that bind to the N-terminal extra-cellular cysteine-rich domain of the Frizzled (Fzd) receptor family. The Fzd receptors can respond to Wnt proteins in the presence of Wnt co-receptors to activate the canonical and non-canonical Wnt pathways. Recent studies indicated that, among...
journal_title：Cellular signalling
pub_type： 杂志文章,评审
doi：10.1016/j.cellsig.2011.12.009
更新日期：2012-04-01 00:00:00
abstract：:Non-small cell lung cancer is one of the most aggressive cancers as per as the mortality and occurrence is concerned. Paclitaxel based chemotherapeutic regimes are now used as an important option for the treatment of lung cancer. However, resistance of lung cancer cells to paclitaxel continues to be a major clinical p...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2014.11.023
更新日期：2015-02-01 00:00:00
abstract：:The glucose-regulated protein grp78 gene is rapidly transactivated in 9L rat brain tumour (RBT) cells treated with okadaic acid (OA) followed by heat shock (HS) (termed OA-->HS treatment). By Northern blotting analyses and transient transfection assays, we herein show that transactivation of grp78 by OA-->HS is abolis...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/s0898-6568(02)00055-4
更新日期：2003-01-01 00:00:00
abstract：:The endogenous circadian clock functions to maintain optimal physiological health through the tissue specific coordination of gene expression and synchronization between tissues of metabolic processes throughout the 24 hour day. Individuals face numerous challenges to circadian function on a daily basis resulting in s...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2020.109904
更新日期：2020-12-25 00:00:00
abstract：:This review is intended to discuss recent developments in the molecular pharmacology of the alpha 1-adrenergic receptor (alpha 1-AR) subtypes. After a brief historical development, we will focus on the more contemporary issues having to do with this receptor family. Emphasis will be put on recent data regarding the cl...
journal_title：Cellular signalling
pub_type： 杂志文章,评审
doi：10.1016/0898-6568(96)00066-6
更新日期：1996-08-01 00:00:00
abstract：:Deficits in brain function that are associated with aging and age-related diseases benefit very little from currently available therapies, suggesting a better understanding of the underlying molecular mechanisms is needed to develop improved drugs. Here, we review the literature to test the hypothesis that a break dow...
journal_title：Cellular signalling
pub_type： 杂志文章,评审
doi：10.1016/j.cellsig.2017.11.004
更新日期：2018-01-01 00:00:00
abstract：:Small ubiquitin-like modifier (SUMO) 2 is a small protein that controls the activity and stability of other proteins by SUMOylation. In this study, T cell-specific SUMO2 overexpressing transgenic mice were generated to study the effect of SUMO2 on T lymphocytes. SUMO2 overexpression promoted differentiation of interle...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2015.03.001
更新日期：2015-06-01 00:00:00
abstract：:Low glucose stimulated phosphorylation of pregnane X receptor (PXR) at Ser350 in correlation with an increased gluconeogenesis in human hepatoma-derived HepG2 cells. Only glucose, but neither insulin nor glucagon, stimulated this phosphorylation. Here, serine/threonine kinase, vaccinia related kinase 1 (VRK1)-mediated...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2017.09.003
更新日期：2017-12-01 00:00:00
abstract：:Capsaicin (CAP), the pungent ingredient of chili peppers, inhibits growth of various solid cancers via TRPV1 as well as TRPV1-independent mechanisms. Recently, we showed that TRPV1 regulates intracellular calcium level and chromogranin A secretion in pancreatic neuroendocrine tumor (NET) cells. In the present study, w...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2013.09.014
更新日期：2014-01-01 00:00:00
abstract：:The N-formyl-L-methionyl-L-leucyl-L-phenylalanine (fMLP)-OMe (1) analogues for-Thp-Leu-Ain-OMe (2), for-Thp-Leu-Phe-OMe (3), for-Met-Leu-Ain-OMe (4), for-Met-Delta(z)Leu-Phe-OMe (5), for-Met-Lys-Phe-For-Met-Lys-Phe (6), for-Met-Leu-Pheol-COMe (7), and for-Nle-Leu-Phe-OMe (8) have been studied. Some of these have been ...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/s0898-6568(01)00140-1
更新日期：2001-04-01 00:00:00
abstract：:Although increasing evidence demonstrated that deregulation of mircoRNA-503 (miRNA-503) contributes to tumorigenesis, little is known about the biological role and intrinsic regulatory mechanisms of miR-503 in prostate cancer (PCa). In present study, we found that miR-503 was significantly downregulated in advanced PC...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2016.06.002
更新日期：2016-09-01 00:00:00
abstract：:Protease-activated receptor 1 (PAR1) is an unusual GPCR that interacts with multiple G protein subfamilies (G(q/11), G(i/o), and G(12/13)) and their linked signaling pathways to regulate a broad range of pathophysiological processes. However, the molecular mechanisms whereby PAR1 interacts with multiple G proteins are...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2012.01.011
更新日期：2012-06-01 00:00:00
abstract：:Rho guanosine triphosphatases (GTPases) are a family of small proteins which function as molecular switches in a variety of signaling pathways following stimulation of cell surface receptors. RhoGTPases regulate numerous cellular processes including cytoskeleton organization, gene transcription, cell proliferation, mi...
journal_title：Cellular signalling
pub_type： 杂志文章,评审
doi：10.1016/j.cellsig.2010.10.022
更新日期：2011-06-01 00:00:00
abstract：:Interleukin-2 (IL-2) is the major growth factor of activated T lymphocytes. By inducing cell cycle progression and protection from apoptosis in these cells, IL-2 is involved in the successful execution of an immune response. Upon binding its receptor, IL-2 activates a variety of signal transduction pathways, including...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/s0898-6568(03)00003-2
更新日期：2003-06-01 00:00:00
abstract：:The effects of tamoxifen (TAM) on cell proliferation and voltage-dependent K+ channels were studied on the mouse neuroblastoma cells NG 108-15. TAM inhibited cell proliferation with an effective dose inducing a half maximum effect (ED50) of 2 microM and was cytotoxic from and beyond 2.5 microM. TAM accelerated the app...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/0898-6568(90)90069-m
更新日期：1990-01-01 00:00:00
abstract：:The role of microtubules (MTs) in steroid hormone-dependent human glucocorticoid receptor (hGR) activation/translocation is controversial. It was demonstrated recently that colchicine (COL) down-regulates hGR-driven genes in primary human hepatocytes by a mechanism involving inhibition of hGR translocation to the nucl...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2004.06.010
更新日期：2005-02-01 00:00:00
abstract：:SHP-2, a cytosolic protein tyrosine phosphatase with two SH2 domains and multiple tyrosine phosphorylation sites, contributes to signal transduction as an enzyme and/or adaptor molecule. Here we demonstrate that prolactin (PRL) stimulation of the PRL-responsive Nb2 cells, a rat lymphoma cell line, and T47D cells, a hu...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/s0898-6568(02)00122-5
更新日期：2003-03-01 00:00:00
abstract：:Janus kinase 2 (Jak2) has a pivotal role in erythropoietin (Epo) signaling pathway, including erythrocyte differentiation and Stat5 activation. In the course of screening for critical phosphorylation of tyrosine residues in Jak2, we identified tyrosine 913 (Y(913)) as a novel and functional phosphorylation site, which...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2008.07.008
更新日期：2008-11-01 00:00:00
abstract：:The interferon regulated transcription factor IRF-1 is a tumour suppressor protein that is activated in response to viral infection and cell signalling activated by double stranded DNA lesions. IRF-1 has a short half-life (t(0.5) 20-40 min) allowing rapid changes in steady state levels by modulating its rate of degrad...
journal_title：Cellular signalling
pub_type： 杂志文章
doi：10.1016/j.cellsig.2009.05.004
更新日期：2009-10-01 00:00:00
