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Protein kinase G

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https://www.readbyqxmd.com/read/29792352/probing-the-settlement-signals-of-amphibalanus-amphitrite
#1
Mado Kotsiri, Maria Protopapa, Gesthimani-Myrto Roumelioti, Athena Economou-Amilli, Eleni K Efthimiadou, Skarlatos G Dedos
To achieve their reproductive potential, barnacles combine tactile exploration of surface structural properties and integration of cellular signals originating from their antennular sensory setae within a developmentally defined, temporally narrow window of settlement opportunity. Behavioural assays with cyprids coupled with biometric analysis of scanning electron microscopy-acquired images in the presence of specific chemical compounds were used to investigate how settlement on a substratum is altered in response to the presence of these compounds...
May 24, 2018: Biofouling
https://www.readbyqxmd.com/read/29790899/advances-in-the-systemic-treatment-of-melanoma-brain-metastases
#2
I C Glitza Oliva, G Schvartsman, H Tawbi
Of the solid tumor types that metastasize to the brain, melanoma has the highest propensity to form brain metastases. In addition, much remains unknown regarding the pathophysiology involved in melanoma cell extravasation through the blood-brain barrier, which enables interactions with the microenvironment, and melanoma cell transcriptomic responses to brain-specific cues. However, recent developments in targeted therapy and immunotherapy have generated considerable optimism regarding the treatment of metastatic melanoma...
May 22, 2018: Annals of Oncology: Official Journal of the European Society for Medical Oncology
https://www.readbyqxmd.com/read/29789297/the-duf1669-domain-of-fam83-family-proteins-anchor-casein-kinase-1-isoforms
#3
Luke J Fulcher, Polyxeni Bozatzi, Theresa Tachie-Menson, Kevin Z L Wu, Timothy D Cummins, Joshua C Bufton, Daniel M Pinkas, Karen Dunbar, Sabin Shrestha, Nicola T Wood, Simone Weidlich, Thomas J Macartney, Joby Varghese, Robert Gourlay, David G Campbell, Kevin S Dingwell, James C Smith, Alex N Bullock, Gopal P Sapkota
Members of the casein kinase 1 (CK1) family of serine-threonine protein kinases are implicated in the regulation of many cellular processes, including the cell cycle, circadian rhythms, and Wnt and Hedgehog signaling. Because these kinases exhibit constitutive activity in biochemical assays, it is likely that their activity in cells is controlled by subcellular localization, interactions with inhibitory proteins, targeted degradation, or combinations of these mechanisms. We identified members of the FAM83 family of proteins as partners of CK1 in cells...
May 22, 2018: Science Signaling
https://www.readbyqxmd.com/read/29786956/rho-kinase-and-protein-kinase-c-pathways-are-responsible-for-enhanced-carbachol-contraction-in-permeabilized-detrusor-in-a-rat-model-of-cystitis
#4
Merve Denizalti, N Tugba Durlu-Kandilci, G Simsek, T Emrah Bozkurt, Inci Sahin-Erdemli
Interstitial cystitis is a syndrome characterized by detrusor overactivity and chronic inflammation of the bladder. The mechanisms responsible for the altered smooth muscle contractility remain poorly understood. The aim of the study was to investigate the role of intracellular signalling pathways in carbachol-induced detrusor contraction in a rat model of interstitial cystitis. Cyclophosphamide (150 mg/kg, dissolved in saline) was injected to rats (Sprague-Dawley, female, 200-250 g) intraperitoneally once a day on days 1, 4 and 7 to induce interstitial cystitis...
May 22, 2018: Basic & Clinical Pharmacology & Toxicology
https://www.readbyqxmd.com/read/29786074/constitutive-interferon-signaling-maintains-critical-threshold-of-mlkl-expression-to-license-necroptosis
#5
Joseph Sarhan, Beiyun C Liu, Hayley I Muendlein, Chi G Weindel, Irina Smirnova, Amy Y Tang, Vladimir Ilyukha, Maxim Sorokin, Anton Buzdin, Katherine A Fitzgerald, Alexander Poltorak
Interferons (IFNs) are critical determinants in immune-competence and autoimmunity, and are endogenously regulated by a low-level constitutive feedback loop. However, little is known about the functions and origins of constitutive IFN. Recently, lipopolysaccharide (LPS)-induced IFN was implicated as a driver of necroptosis, a necrotic form of cell death downstream of receptor-interacting protein (RIP) kinase activation and executed by mixed lineage kinase like-domain (MLKL) protein. We found that the pre-established IFN status of the cell, instead of LPS-induced IFN, is critical for the early initiation of necroptosis in macrophages...
May 21, 2018: Cell Death and Differentiation
https://www.readbyqxmd.com/read/29785433/the-immunomodulatory-activity-and-mechanism-of-docosahexenoic-acid-dha-on-immunosuppressive-mice-models
#6
Lirong Han, Huanna Lei, Ziwei Tian, Xu Wang, Dai Cheng, Chunling Wang
In this study, the immunomodulatory activity of docosahexaenoic acid (DHA) on the immunosuppressive BALB/c mice model and its molecular mechanism are elucidated. It was found that the weight indexes of the spleen and thymus were significantly increased by DHA (44.0 mg kg-1 and 88.0 mg kg-1) treatment in the prevention or cure groups. The result of macrophages showed that DHA (44.0 mg kg-1 and 88.0 mg kg-1) could promote the proliferation and phagocytosis activity of macrophages in the prevention or cure groups...
May 22, 2018: Food & Function
https://www.readbyqxmd.com/read/29785071/identification-of-cis-regulatory-elements-associated-with-salinity-and-drought-stress-tolerance-in-rice-from-co-expressed-gene-interaction-networks
#7
Pragya Mishra, Nisha Singh, Ajay Jain, Neha Jain, Vagish Mishra, Pushplatha G, Kiran P Sandhya, Nagendra Kumar Singh, Vandna Rai
Rice, a staple food crop, is often subjected to drought and salinity stresses thereby limiting its yield potential. Since there is a cross talk between these abiotic stresses, identification of common and/or overlapping regulatory elements is pivotal for generating rice cultivars that showed tolerance towards them. Analysis of the gene interaction network (GIN) facilitates identifying the role of individual genes and their interactions with others that constitute important molecular determinants in sensing and signaling cascade governing drought and/or salinity stresses...
2018: Bioinformation
https://www.readbyqxmd.com/read/29785025/an-immune-beige-adipocyte-communication-via-nicotinic-acetylcholine-receptor-signaling
#8
Heejin Jun, Hui Yu, Jianke Gong, Juan Jiang, Xiaona Qiao, Eric Perkey, Dong-Il Kim, Margo P Emont, Alexander G Zestos, Jung-Sun Cho, Jianfeng Liu, Robert T Kennedy, Ivan Maillard, X Z Shawn Xu, Jun Wu
Beige adipocytes have recently been shown to regulate energy dissipation when activated and help organisms defend against hypothermia and obesity. Prior reports indicate that beige-like adipocytes exist in adult humans and that they may present novel opportunities to curb the global epidemic in obesity and metabolic illnesses. In an effort to identify unique features of activated beige adipocytes, we found that expression of the cholinergic receptor nicotinic alpha 2 subunit (Chrna2) was induced in subcutaneous fat during the activation of these cells and that acetylcholine-producing immune cells within this tissue regulated this signaling pathway via paracrine mechanisms...
May 21, 2018: Nature Medicine
https://www.readbyqxmd.com/read/29784961/sarcodon-imbricatus-polysaccharides-improve-mouse-hematopoietic-function-after-cyclophosphamide-induced-damage-via-g-csf-mediated-jak2-stat3-pathway
#9
Xue Wang, Qiubo Chu, Xue Jiang, Yue Yu, Libian Wang, Yaqi Cui, Jiahui Lu, Lirong Teng, Di Wang
Sarcodon imbricatus, a rare medicinal and edible fungus, has various pharmacological bioactivities. We investigated the effects of S. imbricatus polysaccharides (SIPS) on hematopoietic function and identified the underlying mechanisms using in vitro experiments with CHRF, K562, and bone marrow mononuclear cells (BMMNCs) and in vivo experiments with a mouse model of cyclophosphamide-induced hematopoietic dysfunction. We found that SIPS induced proliferation and differentiation of CHRF and K562 cells and upregulated the expression of hematopoietic-related proteins, including p90 ribosomal S6 kinases (RSK1p90), c-Myc, and ETS transcription factor, in the two cell lines...
May 21, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29784711/quantitative-proteome-and-phosphoproteome-analyses-of-streptomyces-coelicolor-reveal-proteins-and-phosphoproteins-modulating-differentiation-and-secondary-metabolism
#10
Beatriz Rioseras, Pavel V Sliaha, Vladimir Gorshkov, Paula Yagüe, Maria T López-García, Nathaly González-Quiñónez, Sergey Kovalchuk, Adelina Rogowska-Wrzesinska, Ole N Jensen, Angel Manteca
Streptomycetes are multicellular bacteria with complex developmental cycles. They are of biotechnological importance as they produce most bioactive compounds used in biomedicine, e.g. antibiotic, antitumoral and immunosupressor compounds. Streptomyces genomes encode a large number of Ser/Thr/Tyr kinases, making this genus an outstanding model for the study of bacterial protein phosphorylation events. We used mass spectrometry based quantitative proteomics and phosphoproteomics to characterize bacterial differentiation and activation of secondary metabolism of Streptomyces coelicolor...
May 21, 2018: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/29784011/extremely-low-frequency-electromagnetic-fields-promote-mesenchymal-stem-cell-migration-by-increasing-intracellular-ca-2-and-activating-the-fak-rho-gtpases-signaling-pathways-in-vitro
#11
Yingchi Zhang, Jiyuan Yan, Haoran Xu, Yong Yang, Wenkai Li, Hua Wu, Chaoxu Liu
BACKGROUND: The ability of mesenchymal stem cells (MSCs) to migrate to the desired tissues or lesions is crucial for stem cell-based regenerative medicine and tissue engineering. Optimal therapeutics for promoting MSC migration are expected to become an effective means for tissue regeneration. Electromagnetic fields (EMF), as a noninvasive therapy, can cause a lot of biological changes in MSCs. However, whether EMF can promote MSC migration has not yet been reported. METHODS: We evaluated the effects of EMF on cell migration in human bone marrow-derived MSCs...
May 21, 2018: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/29783765/1-2-6-thiadiazinones-as-novel-narrow-spectrum-calcium-calmodulin-dependent-protein-kinase-kinase-2-camkk2-inhibitors
#12
Christopher R M Asquith, Paulo H Godoi, Rafael M Couñago, Tuomo Laitinen, John W Scott, Christopher G Langendorf, Jonathan S Oakhill, David H Drewry, William J Zuercher, Panayiotis A Koutentis, Timothy M Willson, Andreas S Kalogirou
We demonstrate for the first time that 4 H -1,2,6-thiadiazin-4-one (TDZ) can function as a chemotype for the design of ATP-competitive kinase inhibitors. Using insights from a co-crystal structure of a 3,5-bis(arylamino)-4 H -1,2,6-thiadiazin-4-one bound to calcium/calmodulin-dependent protein kinase kinase 2 (CaMKK2), several analogues were identified with micromolar activity through targeted displacement of bound water molecules in the active site. Since the TDZ analogues showed reduced promiscuity compared to their 2,4-dianilinopyrimidine counter parts, they represent starting points for development of highly selective kinase inhibitors...
May 19, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29783053/biomineralization-mechanism-of-u-vi-induced-by-bacillus-cereus-12-2-the-role-of-functional-groups-and-enzymes
#13
Jian Zhang, Han Song, Zhi Chen, Shasha Liu, Yali Wei, Jingyi Huang, Chuling Guo, Zhi Dang, Zhang Lin
Current studies reveal that the biomineralization of U(VI) by anaerobes normally produces nano-sized U(IV) minerals that can easily re-migrate/re-oxidize, while the biomineralization of U(VI) by aerobes has been constrained because the general mechanism has not yet been fully characterized. The biomineralization of U(VI) by Bacillus cereus 12-2 was investigated in this work. The maximum biosorption capability of intact cells was 448.68 mg U/g biomass (dry weight) at pH 5, while a decrease over 60% was induced when phosphate, amino, and especially carboxyl groups were shielded...
May 10, 2018: Chemosphere
https://www.readbyqxmd.com/read/29782904/intracellular-s1p-levels-dictates-fate-of-different-regions-of-the-hippocampus-following-transient-global-cerebral-ischemia
#14
Sherif Rashad, Kuniyasu Niizuma, Daisuke Saigusa, Xiaobo Han, Mika Sato-Maeda, Ritsumi Saito, Akira Uruno, Miki Fujimura, Shuntaro Ikawa, Masayuki Yamamoto, Teiji Tominaga
Sphingosine-1-phosphate (S1P) is a sphingolipid molecule produced by the action of sphingosine kinases (SphK) on sphingosine. It possesses various intracellular functions through its interactions with intracellular proteins or via its action on five G-protein-coupled cell membrane receptors. Following transient global cerebral ischaemia (tGCI), only the CA1 subregion of the hippocampus undergoes apoptosis. In this study, we evaluated S1P levels and S1P processing enzyme expression in different hippocampal areas following tGCI in rats...
May 18, 2018: Neuroscience
https://www.readbyqxmd.com/read/29782836/dancing-with-the-diva-hsp90-client-interactions
#15
REVIEW
Martina Radli, Stefan G D Rüdiger
The molecular chaperone Hsp90 is involved in the folding, maturation and degradation of a large number structurally and sequentially unrelated clients, often connected to serious diseases. Elucidating the principles of how Hsp90 recognises this large variety of substrates is essential for comprehending the mechanism of this chaperone machinery, as well as it is a prerequisite for the design of client specific drugs targeting Hsp90. Here, we discuss the recent progress in understanding the substrate recognition principles of Hsp90 and its implications for the role of Hsp90 in the lifecycle of (signalling) molecules...
May 18, 2018: Journal of Molecular Biology
https://www.readbyqxmd.com/read/29781812/pim-2-protein-kinase-negatively-regulates-t-cell-responses-in-transplantation-and-tumor-immunity
#16
Anusara Daenthanasanmak, Yongxia Wu, Supinya Iamsawat, Hung D Nguyen, David Bastian, MengMeng Zhang, M Hanief Sofi, Shilpak Chatterjee, Elizabeth G Hill, Shikhar Mehrotra, Andrew S Kraft, Xue-Zhong Yu
PIM kinase family members play a crucial role in promoting cell survival and proliferation via phosphorylation of their target substrates. In this study, we investigated the role of the PIM kinases with respect to T cell responses in transplantation and tumor immunity. We found that the PIM-2 isoform negatively regulated T cell responses to alloantigen, in contrast to the PIM-1 and PIM-3 isoforms, which acted as positive regulators. T cells deficient in PIM-2 demonstrated increased T cell differentiation toward Th1 subset, proliferation, and migration to target organs after allogeneic bone marrow transplantation, resulting in dramatically accelerated graft-versus-host disease (GVHD) severity...
May 21, 2018: Journal of Clinical Investigation
https://www.readbyqxmd.com/read/29781741/slowly-progressive-retinitis-pigmentosa-caused-by-two-novel-mutations-in-the-mak-gene
#17
Joanna Monika Gray, Harry Otway Orlans, Morag Shanks, Penny Clouston, Robert Elvis MacLaren
BACKGROUND: The growing number of clinical trials currently underway for inherited retinal diseases has highlighted the importance of achieving a molecular diagnosis for all new cases presenting to hospital eye services. The male germ cell-associated kinase (MAK) gene encodes a cilium-associated protein selectively expressed in the retina and testis, and has recently been implicated in autosomal recessive retinitis pigmentosa (RP). Whole exome sequencing has previously identified a homozygous Alu insertion in probands with recessive RP and nonsense and missense mutations have also been reported...
May 21, 2018: Ophthalmic Genetics
https://www.readbyqxmd.com/read/29778605/proteomic-and-biochemical-comparison-of-the-cellular-interaction-partners-of-human-vps33a-and-vps33b
#18
Morag R Hunter, Geoffrey G Hesketh, Tomasz H Benedyk, Anne-Claude Gingras, Stephen C Graham
Multi-subunit tethering complexes control membrane fusion events in eukaryotic cells. CORVET and HOPS are two such complexes, both containing the Sec1/Munc18 protein subunit VPS33A. Metazoans additionally possess VPS33B, which has considerable sequence similarity to VPS33A but does not integrate into CORVET or HOPS complexes and instead stably interacts with VIPAR. It has been recently suggested that VPS33B and VIPAR comprise two subunits of a novel multi-subunit tethering complex (named "CHEVI"), perhaps analogous in configuration to CORVET and HOPS...
May 17, 2018: Journal of Molecular Biology
https://www.readbyqxmd.com/read/29778504/solitary-chemosensory-cells-are-a-primary-epithelial-source-of-interleukin-25-in-chronic-rhinosinusitis-with-nasal-polyps
#19
Michael A Kohanski, Alan D Workman, Neil N Patel, Li-Yin Hung, Julie P Shtraks, Bei Chen, Mariel Blasetti, Laurel Doghramji, David W Kennedy, Nithin D Adappa, James N Palmer, De'Broski R Herbert, Noam A Cohen
BACKGROUND: IL-25 can function as an early signal for the respiratory Type 2 response characteristic of allergic asthma and chronic rhinosinusitis with nasal polyps (CRSwNP). In the mouse gut, tuft cells are the epithelial source of IL-25. However, the source of human airway epithelial IL-25 has remained elusive. OBJECTIVE: In this study, we sought to determine if the solitary chemosensory cell (SCC) is the predominant source of IL-25 in the sinonasal epithelium...
May 17, 2018: Journal of Allergy and Clinical Immunology
https://www.readbyqxmd.com/read/29777907/novel-snps-of-wnk1-and-akr1c3-are-associated-with-preeclampsia
#20
Cheng-Juan Sun, Lin Li, Xueyan Li, Wei-Yuan Zhang, Xiao-Wei Liu
Preeclampsia is a hypertensive disorder of pregnancy and is one of the most common causes of poor perinatal outcomes. Preeclampsia increases the risk of hypertension in the future. Variants of WNK1 (lysine deficient protein kinase 1), ADRB2 (β2 adrenergic receptor), NEDD4L (ubiquitin-protein ligase NEDD4-like), KLK1 (kallikrein 1) contribute to hypertension, and AKR1C3 (aldo-keto reductase family1 member C3), is associated with preeclampsia. The association of single nucleotide polymorphisms (SNPs) in these five candidate preeclampsia susceptibility genes and the related traits in Chinese individuals were investigated...
May 16, 2018: Gene
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