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Casein kinase 1

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https://www.readbyqxmd.com/read/28295363/angiotensin-ii-activates-cav-1-2-ca-2-channels-through-%C3%AE-arrestin2-and-casein-kinase-2-in-mouse-immature-cardiomyocytes
#1
Toshihide Kashihara, Tsutomu Nakada, Katsuhiko Kojima, Toshikazu Takeshita, Mitsuhiko Yamada
Angiotensin II (AngII), the main effector peptide of the renin-angiotensin system, plays important roles in cardiovascular regulation in the perinatal period. Despite the well-known stimulatory effect of AngII on vascular contraction, little is known about regulation of contraction of the immature heart by AngII. Here we found that AngII significantly increased the peak amplitude of twitch Ca(2+) transients by robustly activating L-type CaV 1.2 Ca(2+) (CaV 1.2) channels in mouse immature but not mature cardiomyocytes...
March 15, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28286065/polydatin-promotes-nrf2-are-anti-oxidative-pathway-through-activating-ckip-1-to-resist-hg-induced-up-regulation-of-fn-and-icam-1-in-gmcs-and-diabetic-mice-kidneys
#2
Wenyan Gong, Jie Li, Zhiquan Chen, Junying Huang, Qiuhong Chen, Weibin Cai, Peiqing Liu, Heqing Huang
Our previous study indicated that Casein kinase 2 interacting protein-1 (CKIP-1) could promote the activation of the nuclear factor E2-related factor 2 (Nrf2)/ antioxidant response element (ARE) pathway, playing a significant role in inhibiting the fibrosis of diabetic nephropathy (DN). Polydatin (PD) has been shown to possess strong resistance effects on renal fibrosis which is closely related to activating the Nrf2/ARE pathway, too. Whereas, whether PD could resist DN through regulating CKIP-1 and consequently promoting the activation of Nrf2-ARE pathway needs further investigation...
March 9, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28282370/tor1-and-ck2-kinases-control-a-switch-between-alternative-ribosome-biogenesis-pathways-in-a-growth-dependent-manner
#3
Isabelle C Kos-Braun, Ilona Jung, Martin Koš
Ribosome biogenesis is a major energy-consuming process in the cell that has to be rapidly down-regulated in response to stress or nutrient depletion. The target of rapamycin 1 (Tor1) pathway regulates synthesis of ribosomal RNA (rRNA) at the level of transcription initiation. It remains unclear whether ribosome biogenesis is also controlled directly at the posttranscriptional level. We show that Tor1 and casein kinase 2 (CK2) kinases regulate a rapid switch between a productive and a non-productive pre-rRNA processing pathways in yeast...
March 2017: PLoS Biology
https://www.readbyqxmd.com/read/28237649/protein-kinase-ck2%C3%AE-catalytic-subunit-ameliorates-diabetic-renal-inflammatory-fibrosis-via-nf-%C3%AE%C2%BAb-signaling-pathway
#4
Junying Huang, Zhiquan Chen, Jie Li, Qiuhong Chen, Jingyan Li, Wenyan Gong, Jiani Huang, Peiqing Liu, Heqing Huang
Activation of casein kinase 2 (CK2) is closely linked to the body disturbance of carbohydrate metabolism and inflammatory reaction. The renal chronic inflammatory reaction in the setting of diabetes is one of the important hallmarks of diabetic renal fibrosis. However, it remains unknown whether CK2 influences the process of diabetic renal fibrosis. The current study is aimed to investigate if CK2α ameliorates renal inflammatory fibrosis in diabetes via NF-κB pathway. To explore potential regulatory mechanism of CK2α, the expression and activity of CK2α, which were studied by plasmid transfection, selective inhibitor, small-interfering RNA (siRNA) and adenovirus infection in vitro or in vivo, were analyzed by means of western blotting (WB), dual luciferase reporter assay and electrophoretic mobility shift assay (EMSA)...
February 22, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28236970/ck1-in-developmental-signaling-hedgehog-and-wnt
#5
Jin Jiang
The casein kinase 1 (CK1) family of serine (Ser)/threonine (Thr) protein kinases participates in a myriad of cellular processes including developmental signaling. Hedgehog (Hh) and Wnt pathways are two major and evolutionarily conserved signaling pathways that control embryonic development and adult tissue homeostasis. Deregulation of these pathways leads to many human disorders including birth defects and cancer. Here, I review the role of CK1 in the regulation of Hh and Wnt signal transduction cascades from the membrane reception systems to the transcriptional effectors...
2017: Current Topics in Developmental Biology
https://www.readbyqxmd.com/read/28212865/casein-kinase-2-interacting-protein-1-regulates-m1-and-m2-inflammatory-macrophage-polarization
#6
Yuhan Chen, Wen Liu, Yiwu Wang, Luo Zhang, Jun Wei, Xueli Zhang, Fuchu He, Lingqiang Zhang
The importance of macrophage plasticity, albeit being discovered recently, has been highlighted in a broad spectrum of biological processes operative in physiological and pathological environments. Macrophage polarized activation and inactivation has profound effects on immune and inflammatory responses with several major pathways being elucidated in the past few years. However, transcriptional regulation mechanisms governing macrophage polarization is still preliminary. In this study, we identify the Casein Kinase 2 Interacting Protein 1 (CKIP-1) as a molecular toggle manipulating macrophage speciation...
February 14, 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28164251/state-dependent-block-of-voltage-gated-sodium-channels-by-the-casein-kinase-1-inhibitor-ic261
#7
Karl J Föhr, Uwe Knippschild, Anna Herkommer, Michael Fauler, Christian Peifer, Michael Georgieff, Oliver Adolph
Background and Purpose IC261 (3-[(2,4,6-trimethoxyphenyl)methylidenyl]-indolin-2-one) has previously been introduced as an isoform specific inhibitor of casein kinase 1 (CK1) causing cell cycle arrest or cell death of established tumor cell lines. However, it is reasonable to assume that not all antitumor activities of IC261 are mediated by the inhibition of CK1. Meanwhile there is growing evidence that functional voltage-gated sodium channels are also implicated in the progression of tumors as their blockage suppresses tumor migration and invasion of different tumor cell lines...
February 6, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28155653/novel-group-based-qsar-and-combinatorial-design-of-ck-1%C3%AE-inhibitors-as-neuroprotective-agents
#8
Kopal Joshi, Sukriti Goyal, Sonam Grover, Salma Jamal, Aditi Singh, Pawan Dhar, Abhinav Grover
BACKGROUND: Tar DNA binding protein 43 (TDP-43) hyperphosphorylation, caused by Casein kinase 1 (CK-1) protein isoforms, is associated with the onset and progression of Amyotrophic Lateral Sclerosis (ALS). Among the reported isoforms and splice variants of CK-1 protein superfamily, CK-1δ is known to phosphorylate different serine and threonine sites on TDP-43 protein in vitro and thus qualifies as a potential target for ALS treatment. RESULTS: The developed GQSAR (group based quantitative structure activity relationship) model displayed satisfactory statistical parameters for the dataset of experimentally reported N-Benzothiazolyl-2-Phenyl Acetamide derivatives...
December 22, 2016: BMC Bioinformatics
https://www.readbyqxmd.com/read/28152014/apigenin-selective-ck2-inhibitor-increases-ikaros-expression-and-improves-t-cell-homeostasis-and-function-in-murine-pancreatic-cancer
#9
Nadine Nelson, Karoly Szekeres, Cristina Iclozan, Ivannie Ortiz Rivera, Andrew McGill, Gbemisola Johnson, Onyekachi Nwogu, Tomar Ghansah
Pancreatic cancer (PC) evades immune destruction by favoring the development of regulatory T cells (Tregs) that inhibit effector T cells. The transcription factor Ikaros is critical for lymphocyte development, especially T cells. We have previously shown that downregulation of Ikaros occurs as a result of its protein degradation by the ubiquitin-proteasome system in our Panc02 tumor-bearing (TB) mouse model. Mechanistically, we observed a deregulation in the balance between Casein Kinase II (CK2) and protein phosphatase 1 (PP1), which suggested that increased CK2 activity is responsible for regulating Ikaros' stability in our model...
2017: PloS One
https://www.readbyqxmd.com/read/28128304/targeting-osteoblastic-casein-kinase-2-interacting-protein-1-to-enhance-smad-dependent-bmp-signaling-and-reverse-bone-formation-reduction-in-glucocorticoid-induced-osteoporosis
#10
Jin Liu, Changwei Lu, Xiaohao Wu, Zongkang Zhang, Jie Li, Baosheng Guo, Defang Li, Chao Liang, Lei Dang, Xiaohua Pan, Songlin Peng, Aiping Lu, Baoting Zhang, Ge Zhang
The underlying mechanism of the reduced bone formation during the development of glucocorticoid-induced osteoporosis (GIO) remains unclear. Here, we found that the highly expressed CKIP-1 together with lowly expressed total and phosphorylated Smad1/5 in bone samples was accompanied by either the reduced serum bone formation markers in GIO patients or the decreased bone formation in GIO mice. In vitro studies showed that the highly expressed CKIP-1 could promote Smad1 ubiquitination to suppress the Smad-dependent BMP signaling and inhibit osteogenic differentiation and mineral deposition in MC3T3-E1 cells during glucocorticoid treatment...
January 27, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28125685/lack-of-casein-kinase-1-delta-promotes-genomic-instability-the-accumulation-of-dna-damage-and-down-regulation-of-checkpoint-kinase-1
#11
Yoshimi Endo Greer, Bo Gao, Yingzi Yang, Andre Nussenzweig, Jeffrey S Rubin
Casein kinase 1 delta (CK1δ) is a conserved serine/threonine protein kinase that regulates diverse cellular processes. Mice lacking CK1δ have a perinatal lethal phenotype and typically weigh 30% less than their wild type littermates. However, the causes of death and small size are unknown. We observed cells with abnormally large nuclei in tissue from Csnk1d null embryos, and multiple centrosomes in mouse embryo fibroblasts (MEFs) deficient in CK1δ (MEFCsnk1d null). Results from γ-H2AX staining and the comet assay demonstrated significant DNA damage in MEFCsnk1d null cells...
2017: PloS One
https://www.readbyqxmd.com/read/28109147/-co-culture-with-umbilical-cord-mesenchymal-stem-cells-promotes-the-synthesis-and-mechnism-of-milk-protein-in-bovine-mammary-epithelial-cells
#12
Yankun Zhao, Wei Shao, Chenglong Luo, Kaile Wu, Xiong Yu
Objective To explore the possible mechanism of umbilical cord mesenchymal stem cells (UCMSCs) regulating milk protein synthesis in bovine mammary gland epithelial cells (BMECs). Methods UCMSCs and BMECs were co-cultured by double-chamber Transwell(TM), and other BMECs were cultured alone as a control group. Insulin like growth factor 1 receptor (IGF-1R) inhibitor AG1024 was used to treat cells. IGF-1, β casein (CSN2) and κ casein (CSN3) content in the supernatants were determined by ELISA; the relative expression abundance of Janus kinase and signal transducer and activator of transcription factor (JAK/STAT) signaling pathway-related genes were detected by quantitative real-time PCR (qRT-PCR); and after the cells were treated with JAK2 signal blocker AG490, qRT-PCR was performed to test the relative expression abundance of CSN2 and CSN3 mRNAs...
February 2017: Xi Bao Yu Fen Zi Mian Yi Xue za Zhi, Chinese Journal of Cellular and Molecular Immunology
https://www.readbyqxmd.com/read/28098837/casein-glycomacropeptide-hydrolysates-exert-cytoprotective-effect-against-cellular-oxidative-stress-by-up-regulating-ho-1-expression-in-hepg2-cells
#13
Tiange Li, Bin Chen, Min Du, Jiajia Song, Xue Cheng, Xu Wang, Xueying Mao
Oxidative stress is considered as an important mediator in the progression of metabolic disorders. The objective of this study was to investigate the potential hepatoprotective effects and mechanisms of bovine casein glycomacropeptide hydrolysates (GHP) on hydrogen peroxide (H₂O₂)-induced oxidative damage in HepG2 cells. Results showed that GHP significantly blocked H₂O₂-induced intracellular reactive oxygen species (ROS) generation and cell viability reduction in a dose-dependent manner. Further, GHP concentration-dependently induced heme oxygenase-1 (HO-1) expression and increased nuclear factor-erythroid 2-related factor 2 (Nrf2) nuclear translocation...
January 15, 2017: Nutrients
https://www.readbyqxmd.com/read/28092746/supranutritional-selenium-intake-from-enriched-milk-casein-impairs-hepatic-insulin-sensitivity-via-attenuated-irs-pi3k-akt-signaling-and-decreased-pgc-1%C3%AE-expression-in-male-sprague-dawley-rats
#14
Priska Stahel, Julie J Kim, Scott R L Cieslar, Jenny M Warrington, Changting Xiao, John P Cant
Selenium (Se)-enriched milk provides antioxidant benefits and has therapeutic potential against cancer. However, both antidiabetic and prodiabetic effects have been attributed to Se. Our objective was to evaluate the effect of Se-enriched milk casein on insulin sensitivity in rats when given at the requirement of 0.25 ppm Se and supranutritionally on both low- and high-fat diets. Two hundred sixteen male Sprague-Dawley rats were fed low- or high-fat diets containing one, two or eight times the Se requirement in a randomized block design...
January 7, 2017: Journal of Nutritional Biochemistry
https://www.readbyqxmd.com/read/28089218/nkg2d-signaling-the-immune-subversive-side-of-hdac3
#15
Alicia R Folgueras, Segundo Gonzalez, Alejandro López-Soto
Natural killer (NK) cells are alerted to infected and transformed cells by local upregulation of ligands for the NK-activating receptor NKG2D. In a recent report, Greene et al. unveil a new mechanism that induces the expression of the NKG2D ligand retinoic acid early-inducible (RAE-1) in response to murine cytomegalovirus (MCMV) infection through inhibition of casein kinase 2 (CK2), an activator of the repressor histone deacetylase HDAC3.
March 2017: Trends in Immunology
https://www.readbyqxmd.com/read/28075359/development-of-pharmacophore-model-for-indeno-1-2-b-indoles-as-human-protein-kinase-ck2-inhibitors-and-database-mining
#16
Samer Haidar, Zouhair Bouaziz, Christelle Marminon, Tuomo Laitinen, Antti Poso, Marc Le Borgne, Joachim Jose
Protein kinase CK2, initially designated as casein kinase 2, is an ubiquitously expressed serine/threonine kinase. This enzyme, implicated in many cellular processes, is highly expressed and active in many tumor cells. A large number of compounds has been developed as inhibitors comprising different backbones. Beside others, structures with an indeno[1,2-b]indole scaffold turned out to be potent new leads. With the aim of developing new inhibitors of human protein kinase CK2, we report here on the generation of common feature pharmacophore model to further explain the binding requirements for human CK2 inhibitors...
January 9, 2017: Pharmaceuticals
https://www.readbyqxmd.com/read/28073009/how-meiosis-creates-the-single-copy-genome
#17
Mary Herbert, Attila Toth
Genome haploidization involves two meiotic divisions following a single round of DNA replication. In this issue of Developmental Cell, Argüello-Miranda et al. (2017) show that production and packaging of the single-copy genome into gametes during the second meiotic division is coordinated by a conserved casein kinase 1.
January 9, 2017: Developmental Cell
https://www.readbyqxmd.com/read/28057520/molecular-basis-for-the-regulation-of-the-circadian-clock-kinases-ck1%C3%AE-and-ck1%C3%AE%C2%B5
#18
REVIEW
Yu Yang, Tingting Xu, Yunfei Zhang, Ximing Qin
CK1δ and CK1ε are unique in the casein kinase 1 family and play critical roles in a number of physiological intracellular pathways. In particular, these kinases are involved in composing the mammalian circadian clock by phosphorylating core clock proteins. Considering that CK1δ/ε phosphorylate other key biological molecules, such as β-catenin and p53, understanding how the kinase activity is regulated would be greatly significant, since they are potential targets to develop pharmacological agents against cancer, pain, and circadian disorders...
February 2017: Cellular Signalling
https://www.readbyqxmd.com/read/28049764/the-scf%C3%AE-trcp-e3-ubiquitin-ligase-complex-targets-lipin1-for-ubiquitination-and-degradation-to-promote-hepatic-lipogenesis
#19
Kouhei Shimizu, Hidefumi Fukushima, Kohei Ogura, Evan C Lien, Naoe Taira Nihira, Jinfang Zhang, Brian J North, Ailan Guo, Katsuyuki Nagashima, Tadashi Nakagawa, Seira Hoshikawa, Asami Watahiki, Koji Okabe, Aya Yamada, Alex Toker, John M Asara, Satoshi Fukumoto, Keiichi I Nakayama, Keiko Nakayama, Hiroyuki Inuzuka, Wenyi Wei
The SCF(β-TRCP) E3 ubiquitin ligase complex plays pivotal roles in normal cellular physiology and in pathophysiological conditions. Identification of β-transducin repeat-containing protein (β-TRCP) substrates is therefore critical to understand SCF(β-TRCP) biology and function. We used a β-TRCP-phosphodegron motif-specific antibody in a β-TRCP substrate screen coupled with tandem mass spectrometry and identified multiple β-TRCP substrates. One of these substrates was Lipin1, an enzyme and suppressor of the family of sterol regulatory element-binding protein (SREBP) transcription factors, which activate genes encoding lipogenic factors...
January 3, 2017: Science Signaling
https://www.readbyqxmd.com/read/28039480/nutrient-induced-fnip-degradation-by-scf%C3%AE-trcp-regulates-flcn-complex-localization-and-promotes-renal-cancer-progression
#20
Katsuyuki Nagashima, Hidefumi Fukushima, Kouhei Shimizu, Aya Yamada, Masumi Hidaka, Hisashi Hasumi, Tetsuro Ikebe, Satoshi Fukumoto, Koji Okabe, Hiroyuki Inuzuka
Folliculin-interacting protein 1 and 2 (FNIP1 and FNIP2) play critical roles in preventing renal malignancy through their association with the tumor suppressor FLCN. Mutations in FLCN are associated with Birt-Hogg-Dubé (BHD) syndrome, a rare disorder with increased risk of renal cancer. Recent studies indicated that FNIP1/FNIP2 double knockout mice display enlarged polycystic kidneys and renal carcinoma, which phenocopies FLCN knockout mice, suggesting that these two proteins function together to suppress renal cancer...
February 7, 2017: Oncotarget
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