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Human CDK5 Protein expressed in Wheat germ - ABIN1348956
Seo, Kim, Bae, Soh, Lee: Cdk5-mediated phosphorylation of c-Myc on Ser-62 is essential in transcriptional activation of cyclin B1 by cyclin G1. in The Journal of biological chemistry 2008
these results demonstrate an important role for miR (zeige MLXIP Proteine)-26a and CDK5 together in the survival and growth of Diffuse large B-cell lymphoma cells.
In this review various possible mechanisms by which deregulated CDK5 may alter synaptic transmission and possibly lead to epileptogenesis have been discussed. Further, CDK5 has been proposed as a potential biomarker as well as a pharmacological target for developing treatments for epilepsy.
Results show that Cdk5 is dysregulated in Alzheimer's disease which suggests an early role in neuronal cell death. Also, Cdk5 activation is under the action of Prx5 via reactive oxygen species-mediated Ca2+-mediated calpain activation.
axonal impairment in temporal lobe epilepsy may be mediated by NMDAR via GSK-3beta and Cdk5. In addition, inhibiting either NMDARs or GSK-3beta lowered the relative tau phosphorylation level by reversing the decrease of total tau without affecting phosphorylated tau S396 and T231.
In this review, we discuss the contribution of Cdk5 to molecular mechanisms that confer upon tumors the ability to grow, proliferate, and disseminate to secondary organs, as well as resistance to chemotherapies. We subsequently discuss existing and new strategies for targeting Cdk5 and its downstream mechanisms as anticancer treatments.[Review]
Inhibition of CDK5 in endothelial or hepatocellular carcinoma (HCC (zeige FAM126A Proteine)) cells reduced HIF-1alpha (zeige HIF1A Proteine) levels in vitro and in vivo.
One candidate pathway coupling actin filaments to microtubules consists of the actin filament-binding protein drebrin (zeige DBN1 Proteine) and the microtubule-binding +TIP protein EB3 (zeige MAPRE3 Proteine). This pathway is regulated proximally by cyclin-dependent kinase 5 phosphorylation of drebrin (zeige DBN1 Proteine) but the upstream elements in the pathway have yet to be identified.
The CDK5 kinase activates the FAK (zeige PTK2 Proteine)/AKT (zeige AKT1 Proteine) signaling pathway to generate VM in a lung cancer cell line, which can help to develop potential therapeutic strategies against vessel-positive tumors.
conditional inactivation of Cdk5 in the jck (zeige NEK8 Proteine) mice significantly attenuates cystic disease progression and is associated with shortening of ciliary length as well as restoration of cellular differentiation. Our results suggest that CDK5 may regulate ciliary length by affecting tubulin (zeige TUBB Proteine) dynamics via its substrate collapsin response mediator protein 2 (zeige DPYSL2 Proteine).
CRM1 (zeige XPO1 Proteine) and CDK5 co-expression was an independent prognostic factors for gastric cancer (GC). Combined CRM1 (zeige XPO1 Proteine) and CDK5 expression could provide a prognostic model for overall survival of GC.
hyperactivation of p25 may temporarily enhance neural progenitor cell proliferation, but impair their long-term survival
Cdk5 directly phosphorylates Cx43 (zeige GJA1 Proteine), which regulates the membrane localization and degradation of Cx43 (zeige GJA1 Proteine) in neurons.
Cdk5 may play an important role in endoplasmic reticulum stress induced podocyte apoptosis through MEKK1 (zeige MAP2K1 Proteine)/JNK (zeige MAPK8 Proteine) pathway in diabetic nephropathy.
Silencing of CDK5 increased BDNF (zeige BDNF Proteine) expression, temporarily increased phosphorylation of CaMKII (zeige CAMK2G Proteine), ERK (zeige EPHB2 Proteine), and CREB (zeige CREB1 Proteine); and facilitated calcium signaling in neurites. Together, these data suggest that CDK5 downregulation induces synaptic plasticity in mature neurons involving Ca(2 (zeige CA2 Proteine)+) signaling and BDNF (zeige BDNF Proteine)/CREB (zeige CREB1 Proteine) activation.
we report a key role for Cdk5 activity in the development of allogeneic T-cell responses after allogeneic hematopoietic cell transplantation
Cdk5 regulates axon outgrowth through the GRAB-mediated Rab8-Rab11 cascade.
these results show that Cdk5-mediated phospho-regulation of Foxo3 (zeige FOXO3 Proteine) can activate several genes that promote neuronal death and aberrant Abeta (zeige APP Proteine) processing, thereby contributing to the progression of neurodegenerative pathologies.
In this study, we discovered that selective upregulation of p39 (zeige ATP6V0D1 Proteine) is the underlying mechanism that accommodates the increased functional requirement of Cdk5 activation during neuronal differentiation. In addition, we demonstrated that p39 (zeige ATP6V0D1 Proteine) selectively directs Cdk5 to phosphorylate protein substrates essential for axonal development, dendritic spine formation, and synaptogenesis. Moreover, our studies suggest opposing roles o
It suggests that ectopic increase of Cdk5 kinase activity through conversion of p35 to p25 is involved in the process of neuronal death induced by hypoxia.
These data show that Cdk5 regulates the onset and extent of remodeling of the Drosophila mushroom body.
The CDK5 phosphorylates MEKK1 (zeige MAP3K1 Proteine), and together, they activate the JNK (zeige MAPK8 Proteine) pathway for apoptosis.
The data of this study demonstrated that Cdk5/p35 (zeige RPLP0 Proteine) kinase is a key regulator of the development and maintenance of the axon initial segment in Drosophila.
Therefore, we propose that Abl and p35/p25 (zeige CDK5R1 Proteine) cooperate in promoting Cdk5-pY15, which deregulates Cdk5 activity and subcellular localization in Abeta42-triggered neurodegeneration.
Cdk5/p35 (zeige RPLP0 Proteine) did not have major effects on tau toxicity or phosphorylation.
In Drosophila the cdk5 is needed for locomotive behavior and NMJ elaboration.
data indicate that PP1alpha is a downstream target of the NGF/Egr-1/Cdk5 pathway during NGF-induced differentiation of PC12 cells and suggest that PP1 phosphorylation promotes neuronal differentiation
The intrahepatic biliary network is a highly branched three-dimensional network lined by biliary epithelial cells. We designed a new computer-based algorithm that quantitatively computes the structural differences of the three-dimensional networks. Utilizing the algorithm, we showed that inhibition of Cyclin-dependent kinase 5 (Cdk5) led to reduced branching in the intrahepatic biliary network.
These results suggest that the phosphorylation of Dpysl2 (zeige DPYSL2 Proteine) and Dpysl3 (zeige DPYSL3 Proteine) by Cdk5 and DYRK2 (zeige DYRK2 Proteine) is required for the proper positioning of Rohon-Beard neurons and neural crest cells during neurulation in zebrafish embryos.
cdk5 mRNA was injected into the one- to two-cell embryos, in which neuron apoptosis was inhibited compared with the uninjected control embryos.
we have cloned and characterized the zebrafish cdk5 ortholog. Zebrafish cdk5 is 96% identical to its human counterpart and expressed as early as the blastula stage.
cdk5 plays a critical role in spinal and cranial motor neuron development.
CDK5-mediated hyperphosphorylation of SIRT1 (zeige SIRT1 Proteine) facilitates the development of endothelial senescence and atherosclerosis.
CDK5 mRNA reaches the highest level in cerebral cortex at two months of age and in cerebellum and liver at 4 months of age, respectively, whereas the peak level of CDK5R1 (zeige CDK5R1 Proteine) was observed in both cerebral cortex and cerebellum at two months of age
CDK-5 regulates DCV polarity by both promoting DCV trafficking in axons and preventing dynein-dependent DCV trafficking into dendrites.
Cdk-5 facilitates new synapse formation by regulating the transport of synaptic vesicles to the sites of synaptogenesis.
CDK-5 promotes the anterograde trafficking of GLR-1 and that phosphorylation of LIN-10 may play a role in this process.
Proline-directed serine/threonine-protein kinase essential for neuronal cell cycle arrest and differentiation and may be involved in apoptotic cell death in neuronal diseases by triggering abortive cell cycle re-entry. Interacts with D1 and D3- type G1 cyclins. Phosphorylates SRC, NOS3, VIM/vimentin, p35/CDK5R1, MEF2A, SIPA1L1, SH3GLB1, PXN, PAK1, MCAM/MUC18, SEPT5, SYN1, DNM1, AMPH, SYNJ1, CDK16, RAC1, RHOA, CDC42, TONEBP/NFAT5, MAPT/TAU, MAP1B, histone H1, p53/TP53, HDAC1, APEX1, PTK2/FAK1, huntingtin/HTT, ATM, MAP2, NEFH and NEFM. Regulates several neuronal development and physiological processes including neuronal survival, migration and differentiation, axonal and neurite growth, synaptogenesis, oligodendrocytes differentiation, synaptic plasticity and neurotransmission, by phosphorylating key proteins. Activated by interaction with CDK5R1 (p35) and ATP6V0D1 (p39), especially in post-mitotic neurons, and promotes CDK5R1 (p35) expression in an autostimulation loop. Phosphorylates many downstream substrates such as Rho and Ras family small GTPases (e.g. PAK1, RAC1, RHOA, CDC42) or microtubule-binding proteins (e.g. MAPT/TAU, MAP2, MAP1B), and modulates actin dynamics to regulate neurite growth and/or spine morphogenesis. Phosphorylates also exocytosis associated proteins such as MCAM/MUC18, SEPT5, SYN1, and PCTAIRE 1/CDK16 as well as endocytosis associated proteins such as DNM1, AMPH and SYNJ1 at synaptic terminals. In the mature central nervous system (CNS), regulates neurotransmitter movements by phosphorylating substrates associated with neurotransmitter release and synapse plasticity\; synaptic vesicle exocytosis, vesicles fusion with the presynaptic membrane, and endocytosis. Promotes cell survival by activating anti-apoptotic proteins BCL2 and STAT3, and negatively regulating of JNK3/MAPK10 activity. Phosphorylation of p53/TP53 in response to genotoxic and oxidative stresses enhances its stabilization by preventing ubiquitin ligase-mediated proteasomal degradation, and induces transactivation of p53/TP53 target genes, thus regulating apoptosis. Phosphorylation of p35/CDK5R1 enhances its stabilization by preventing calpain-mediated proteolysis producing p25/CDK5R1 and avoiding ubiquitin ligase-mediated proteasomal degradation. During aberrant cell-cycle activity and DNA damage, p25/CDK5 activity elicites cell-cycle activity and double-strand DNA breaks that precedes neuronal death by deregulating HDAC1. DNA damage triggered phosphorylation of huntingtin/HTT in nuclei of neurons protects neurons against polyglutamine expansion as well as DNA damage mediated toxicity. Phosphorylation of PXN reduces its interaction with PTK2/FAK1 in matrix-cell focal adhesions (MCFA) during oligodendrocytes (OLs) differentiation. Negative regulator of Wnt/beta-catenin signaling pathway. Activator of the GAIT (IFN-gamma-activated inhibitor of translation) pathway, which suppresses expression of a post-transcriptional regulon of proinflammatory genes in myeloid cells\; phosphorylates the linker domain of glutamyl-prolyl tRNA synthetase (EPRS) in a IFN-gamma- dependent manner, the initial event in assembly of the GAIT complex. Phosphorylation of SH3GLB1 is required for autophagy induction in starved neurons. Phosphorylation of TONEBP/NFAT5 in response to osmotic stress mediates its rapid nuclear localization. MEF2 is inactivated by phosphorylation in nucleus in response to neurotoxin, thus leading to neuronal apoptosis. APEX1 AP-endodeoxyribonuclease is repressed by phosphorylation, resulting in accumulation of DNA damage and contributing to neuronal death. NOS3 phosphorylation down regulates NOS3-derived nitrite (NO) levels. SRC phosphorylation mediates its ubiquitin- dependent degradation and thus leads to cytoskeletal reorganization. May regulate endothelial cell migration and angiogenesis via the modulation of lamellipodia formation. Involved in dendritic spine morphogenesis by mediating the EFNA1- EPHA4 signaling.
TPKII catalytic subunit
, cell division protein kinase 5
, protein kinase CDK5 splicing
, serine/threonine-protein kinase PSSALRE
, tau protein kinase II catalytic subunit
, CR6 protein kinase
, proline-directed protein kinase 33 kDa subunit
, neuronal cyclin-dependent kinase 5
, Cell division protein kinase 5
, cyclin-dependent-like kinase 5