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Casein kinase 2

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https://www.readbyqxmd.com/read/28446880/shifts-in-the-gut-microbiota-composition-due-to-depleted-bone-marrow-beta-adrenergic-signaling-are-associated-with-suppressed-inflammatory-transcriptional-networks-in-the-mouse-colon
#1
Tao Yang, Niousha Ahmari, Jordan T Schmidt, Ty Redler, Rebeca Arocha, Kevin Pacholec, Kacy L Magee, Wendi Malphurs, Jennifer L Owen, Gregory A Krane, Eric Li, Gary P Wang, Thomas W Vickroy, Mohan K Raizada, Christopher J Martyniuk, Jasenka Zubcevic
The brain-gut axis plays a critical role in the regulation of different diseases, many of which are characterized by sympathetic dysregulation. However, a direct link between sympathetic dysregulation and gut dysbiosis remains to be illustrated. Bone marrow (BM)-derived immune cells continuously interact with the gut microbiota to maintain homeostasis in the host. Their function is largely dependent upon the sympathetic nervous system acting via adrenergic receptors present on the BM immune cells. In this study, we utilized a novel chimera mouse that lacks the expression of BM beta1/2 adrenergic receptors (b1/2-ARs) to investigate the role of the sympathetic drive to the BM in gut and microbiota homeostasis...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28436950/mre11-stability-is-regulated-by-ck2-dependent-interaction-with-r2tp-complex
#2
P von Morgen, K Burdova, T G Flower, N J O'Reilly, S J Boulton, S J Smerdon, L Macurek, Z Hořejší
The MRN (MRE11-RAD50-NBS1) complex is essential for repair of DNA double-strand breaks and stalled replication forks. Mutations of the MRN complex subunit MRE11 cause the hereditary cancer-susceptibility disease ataxia-telangiectasia-like disorder (ATLD). Here we show that MRE11 directly interacts with PIH1D1, a subunit of heat-shock protein 90 cochaperone R2TP complex, which is required for the assembly of large protein complexes, such as RNA polymerase II, small nucleolar ribonucleoproteins and mammalian target of rapamycin complex 1...
April 24, 2017: Oncogene
https://www.readbyqxmd.com/read/28428257/the-size-speed-force-relationship-governs-migratory-cell-response-to-tumorigenic-factors
#3
Aldo Leal-Egaña, Gaelle Letort, Jean-Louis Martiel, Andreas Christ, Timothée Vignaud, Caroline Roelants, Odile Filhol, Manuel Théry
Tumor development progresses through a complex path of biomechanical changes leading first to cell growth and contraction followed by cell de-adhesion, scattering and invasion. Tumorigenic factors may act specifically on one of these steps or have wider spectrum of actions, leading to a variety of effects and thus sometimes to apparent contradictory outcomes. Here we used micropatterned lines of collagen type-I/fibronectin on deformable surfaces to standardize cell behavior and to measure simultaneously cell size, speed of motion and the magnitude of the associated traction forces at the level of a single cell...
April 20, 2017: Molecular Biology of the Cell
https://www.readbyqxmd.com/read/28418900/therapeutic-inhibition-of-usp7-pten-network-in-chronic-lymphocytic-leukemia-a-strategy-to-overcome-tp53-mutated-deleted-clones
#4
Giovanna Carrà, Cristina Panuzzo, Davide Torti, Guido Parvis, Sabrina Crivellaro, Ubaldo Familiari, Marco Volante, Deborah Morena, Marcello Francesco Lingua, Mara Brancaccio, Angelo Guerrasio, Pier Paolo Pandolfi, Giuseppe Saglio, Riccardo Taulli, Alessandro Morotti
Chronic Lymphocytic Leukemia (CLL) is a lymphoproliferative disorder with either indolent or aggressive clinical course. Current treatment regiments have significantly improved the overall outcomes even if higher risk subgroups - those harboring TP53 mutations or deletions of the short arm of chromosome 17 (del17p) - remain highly challenging. In the present work, we identified USP7, a known de-ubiquitinase with multiple roles in cellular homeostasis, as a potential therapeutic target in CLL. We demonstrated that in primary CLL samples and in CLL cell lines USP7 is: i) over-expressed through a mechanism involving miR-338-3p and miR-181b deregulation; ii) functionally activated by Casein Kinase 2 (CK2), an upstream interactor known to be deregulated in CLL; iii) effectively targeted by the USP7 inhibitor P5091...
March 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28404913/a-novel-role-of-ckip-1-in-promoting-megakaryocytic-differentiation
#5
Jiao Fan, Yiwu Wang, Yuan Shen, Qingyan Liu, Rong Gao, Ya Qiu, Chanjuan Wang, Lingqiang Zhang
Casein kinase 2-interacting protein-1 (CKIP-1) is a known regulator of cardiomyocytes and macrophage proliferation. In this study, we showed that CKIP-1 was involved in the process of megakaryocytic differentiation. During megakaryocytic differentiation of K562 cells, CKIP-1 was dramatically upregulated and this upregulation induced by PMA was mediated through downregulation of transcription factor GATA-1. By transient transfection, oligonucleotide-directed mutagenesis and chromatin immunoprecipitation assays, we identified the transcriptional regulation of CKIP-1 by GATA-1...
February 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28402261/association-of-ckip-1-p21a-polymorphism-with-risk-of-chronic-heart-failure-in-a-chinese-population
#6
Mu-Peng Li, Yan-Jiao Zhang, Xiao-Lei Hu, Ji-Peng Zhou, Yong-Long Yang, Li-Ming Peng, Hong Qi, Tian-Lun Yang, Xiao-Ping Chen
Pathological cardiac hypertrophy is an independent risk factor for chronic heart failure. Casein kinase-2 interacting protein-1 (CKIP-1) can inhibit pathological cardiac hypertrophy. Therefore, we investigated whether CKIP-1 nonsynonymous polymorphism rs2306235 (Pro21Ala) contributes to risk and prognosis of chronic heart failure in a Chinese population. A total of 923 adult patients with chronic heart failure and 1020 age- and gender-matched healthy controls were recruited. CKIP-1 rs2306235 polymorphism was genotyped using PCR-restriction fragment length polymorphism...
March 28, 2017: Oncotarget
https://www.readbyqxmd.com/read/28398512/mutant-spastin-proteins-promote-deficits-in-axonal-transport-through-an-isoform-specific-mechanism-involving-casein-kinase-2-activation
#7
Lanfranco Leo, Carina Weissmann, Matthew Burns, Minsu Kang, Yuyu Song, Liang Qiang, Scott T Brady, Peter W Baas, Gerardo Morfini
Mutations of various genes cause hereditary spastic paraplegia (HSP), a neurological disease involving dying-back degeneration of upper motor neurons. From these, mutations in the SPAST gene encoding the microtubule-severing protein spastin account for most HSP cases. Cumulative genetic and experimental evidence suggests that alterations in various intracellular trafficking events, including fast axonal transport (FAT), may contribute to HSP pathogenesis. However, the mechanisms linking SPAST mutations to such deficits remain largely unknown...
April 7, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28380520/the-addition-of-protein-bound-amino-acids-in-low-protein-diets-improves-the-metabolic-and-immunological-characteristics-in-fifteen-to-thirty-five-kg-pigs
#8
L Q Che, X Peng, L Hu, C Wu, Q Xu, Z F Fang, Y Lin, S Y Xu, J Li, B Feng, G Tian, R N Zhang, H Sun, D Wu, D W Chen
This study was to evaluate the effects of supplementation of AA form (crystalline vs. protein bound) in low-protein diets on growth, metabolic, and immunological characteristics of pigs. A total of 80 barrows (PIC 327 × 1050; 15.57 ± 0.13 kg BW and 48 ± 2 d of age), housed in 4 pigs per pen with 5 pens per treatment, were assigned to 4 dietary treatments of 17, 15, and 13% CP and 13% CP plus casein for 28 d. The crystalline AA were supplemented to meet the requirement of indispensable AA in pigs. Results showed that pigs fed the 13% CP diet or the 13% CP plus casein diet had lower ( < 0...
March 2017: Journal of Animal Science
https://www.readbyqxmd.com/read/28367932/inhibition-of-casein-kinase-2-blocks-g2-m-transition-in-early-embryo-mitosis-but-not-in-oocyte-meiosis-in-mouse
#9
Fei Lin, Shi-Bing Cao, Xue-Shan Ma, Hai-Xiang Sun
Casein kinase 2 (CK2) is a highly conserved, ubiquitously expressed serine/threonine protein kinase with hundreds of substrates. The role of CK2 in the G2/M transition of oocytes, zygotes, and 2-cell embryos was studied in mouse by enzyme activity inhibition using the specific inhibitor 4, 5, 6, 7-tetrabromobenzotriazole (TBB). Zygotes and 2-cell embryos were arrested at G2 phase by TBB treatment, and DNA damage was increased in the female pronucleus of arrested zygotes. Further developmental ability of arrested zygotes was reduced, but that of arrested 2-cell embryos was not affected after releasing from inhibition...
March 26, 2017: Journal of Reproduction and Development
https://www.readbyqxmd.com/read/28355568/a-sequentially-priming-phosphorylation-cascade-activates-the-gliomagenic-transcription-factor-olig2
#10
Jing Zhou, An-Chi Tien, John A Alberta, Scott B Ficarro, Amelie Griveau, Yu Sun, Janhavee S Deshpande, Joseph D Card, Meghan Morgan-Smith, Wojciech Michowski, Rintaro Hashizume, C David James, Keith L Ligon, William D Snider, Peter Sicinski, Jarrod A Marto, David H Rowitch, Charles D Stiles
During development of the vertebrate CNS, the basic helix-loop-helix (bHLH) transcription factor Olig2 sustains replication competence of progenitor cells that give rise to neurons and oligodendrocytes. A pathological counterpart of this developmental function is seen in human glioma, wherein Olig2 is required for maintenance of stem-like cells that drive tumor growth. The mitogenic/gliomagenic functions of Olig2 are regulated by phosphorylation of a triple serine motif (S10, S13, and S14) in the amino terminus...
March 28, 2017: Cell Reports
https://www.readbyqxmd.com/read/28351752/deficiency-of-ckip-1-aggravates-high-fat-diet-induced-fatty-liver-in-mice
#11
Yutao Zhan, Ping Xie, Dongnian Li, Li Li, Jing Chen, Wei An, Lingqiang Zhang, Chuan Zhang
Casein kinase 2 interacting protein-1(CKIP-1) is widely expressed in a variety of tissues and cells, and plays an important role in various critical cellular and physiological processes including cell growth, apoptosis, differentiation, cytoskeleton and bone formation. Here, we found: (1) CKIP-1 deficient mice exhibited increased body weight, liver weight, number and size of lipid droplets, and TG content comparing with WT mice after being exposed to high fat diet (HFD); (2) the levels of serum insulin, liver glycogen, phosphorylated C-Jun-N-terminal kinase-1 (pJNK1) and phosphorylated insulin receptor substrate -1(pIRS1) in CKIP-1(-/-) mice were higher than those of WT mice; (3) CKIP-1 interacted with JNK1 in vitro...
March 27, 2017: Experimental Cell Research
https://www.readbyqxmd.com/read/28344765/new-insights-on-thyroid-hormone-mediated-regulation-of-herpesvirus-infections
#12
REVIEW
Robert W Figliozzi, Feng Chen, S Victor Hsia
Thyroid hormone (T3) has been suggested to participate in the regulation of herpesvirus replication during reactivation. Clinical observations and in vivo experiments suggest that T3 are involved in the suppression of herpes virus replication. In vitro, differentiated LNCaP cells, a human neuron-like cells, further resisted HSV-1 replication upon addition of T3. Previous studies indicate that T3 controlled the expression of several key viral genes via its nuclear receptors in differentiated LNCaP cells. Additional observation showed that differentiated LNCaP cells have active PI3K signaling and inhibitor LY294002 can reverse T3-mediated repression of viral replication...
2017: Cell & Bioscience
https://www.readbyqxmd.com/read/28342111/ckb1-is-involved-in-abscisic-acid-and-gibberellic-acid-signaling-to-regulate-stress-responses-in-arabidopsis-thaliana
#13
Congying Yuan, Jianping Ai, Hongping Chang, Wenjun Xiao, Lu Liu, Cheng Zhang, Zhuang He, Ji Huang, Jinyan Li, Xinhong Guo
Casein kinase II (CK2), an evolutionarily well-conserved Ser/Thr kinase, plays critical roles in all higher organisms including plants. CKB1 is a regulatory subunit beta of CK2. In this study, homozygous T-DNA mutants (ckb1-1 and ckb1-2) and over-expression plants (35S:CKB1-1, 35S:CKB1-2) of Arabidopsis thaliana were studied to understand the role of CKB1 in abiotic stress and gibberellic acid (GA) signaling. Histochemical staining showed that although CKB1 was expressed in all organs, it had a relatively higher expression in conducting tissues...
March 24, 2017: Journal of Plant Research
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
#14
Toshihide Kashihara, Tsutomu Nakada, Katsuhiko Kojima, Toshikazu Takeshita, Mitsuhiko Yamada
KEY POINTS: Angiotensin II (AngII) is crucial in cardiovascular regulation in perinatal mammalians. Here we show that AngII increases twitch Ca(2+) transients of mouse immature but not mature cardiomyocytes by robustly activating CaV 1.2 L-type Ca(2+) channels through a novel signalling pathway involving angiotensin type 1 (AT1 ) receptors, β-arrestin2 and casein kinase 2. A β-arrestin-biased AT1 receptor agonist, TRV027, was as effective as AngII in activating L-type Ca(2+) channels...
March 15, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28288821/reversal-of-cisplatin-resistance-in-human-gastric-cancer-cells-by-a-wogonin-conjugated-pt-iv-prodrug-via-attenuating-casein-kinase-2-mediated-nuclear-factor-%C3%AE%C2%BAb-pathways
#15
Feihong Chen, Xiaodong Qin, Gang Xu, Shaohua Gou, Xiufeng Jin
Pt(IV) prodrugs, with two additional coordination sites in contrast to Pt(II) drugs, have been actively studied nowadays, for they can perform well in enhancing the accumulation and retention of the corresponding Pt(II) drugs in cancer cells. Our designed Pt(II) drug, DN604, was recently found to exhibit significant anticancer activity and low toxicity. While, wogonin, a naturally O-methylated flavones, has been widely investigated for its tumor therapeutic potential. Thus, two Pt(IV)-based prodrugs were derived by addition of a wogonin unit to the axial position of DN604 and its analogue DN603 via a linker group...
March 10, 2017: Biochemical Pharmacology
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
#16
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 10, 2017: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/28283928/estimating-the-efficiency-of-phosphopeptide-identification-by-tandem-mass-spectrometry
#17
Chuan-Chih Hsu, Liang Xue, Justine V Arrington, Pengcheng Wang, Juan Sebastian Paez Paez, Yuan Zhou, Jian-Kang Zhu, W Andy Tao
Mass spectrometry has played a significant role in the identification of unknown phosphoproteins and sites of phosphorylation in biological samples. Analyses of protein phosphorylation, particularly large scale phosphoproteomic experiments, have recently been enhanced by efficient enrichment, fast and accurate instrumentation, and better software, but challenges remain because of the low stoichiometry of phosphorylation and poor phosphopeptide ionization efficiency and fragmentation due to neutral loss. Phosphoproteomics has become an important dimension in systems biology studies, and it is essential to have efficient analytical tools to cover a broad range of signaling events...
March 10, 2017: Journal of the American Society for Mass Spectrometry
https://www.readbyqxmd.com/read/28282370/tor1-and-ck2-kinases-control-a-switch-between-alternative-ribosome-biogenesis-pathways-in-a-growth-dependent-manner
#18
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
#19
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 23, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28223413/transcriptional-activation-of-lipogenesis-by-insulin-requires-phosphorylation-of-med17-by-ck2
#20
Jose A Viscarra, Yuhui Wang, Il-Hwa Hong, Hei Sook Sul
De novo lipogenesis is precisely regulated by nutritional and hormonal conditions. The genes encoding various enzymes involved in this process, such as fatty acid synthase (FASN), are transcriptionally activated in response to insulin. We showed that USF1, a key transcription factor for FASN activation, directly interacted with the Mediator subunit MED17 at the FASN promoter. This interaction recruited Mediator, which can bring POL II and other general transcription machinery to the complex. Moreover, we showed that MED17 was phosphorylated at Ser(53) by casein kinase 2 (CK2) in the livers of fed mice or insulin-stimulated hepatocytes, but not in the livers of fasted mice or untreated hepatocytes...
February 21, 2017: Science Signaling
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