Results 131 to 140 of about 916,035 (361)

Dual effect of reduced type I diacylglycerol kinase activity on insulin secretion from MIN6 β-cells

open access: yesJournal of Pharmacological Sciences, 2019
The role of type I diacylglycerol kinases (DGKs) in the regulation of insulin secretion was investigated in MIN6 β-cells. In intracellular Ca2+ concentration ([Ca2+]i) measurement experiments, 1 μM R59949, a type I DGK inhibitor, and 10 μM DiC8, a ...
Toshiaki Sawatani   +2 more
doaj  

Giant Hub Src and Syk Tyrosine Kinase Thermodynamic Profiles Recapitulate Evolution [PDF]

open access: yes, 2016
Thermodynamic scaling theory, previously applied mainly to small proteins, here analyzes quantitative evolution of the titled functional network giant hub enzymes. The broad domain structure identified homologically is confirmed hydropathically using amino acid sequences only.
arxiv   +1 more source

Lipid second messengers and related enzymes in vertebrate rod outer segments

open access: yesJournal of Lipid Research, 2010
Rod outer segments (ROSs) are specialized light-sensitive organelles in vertebrate photoreceptor cells. Lipids in ROS are of considerable importance, not only in providing an adequate environment for efficient phototransduction, but also in originating ...
Norma M. Giusto   +3 more
doaj  

Differential regulation of diacylglycerol kinase isoform in human failing hearts

open access: yesJournal of Cardiothoracic Surgery, 2011
Evidence from several studies indicates the importance of Gαq protein-coupled receptor (GPCR) signaling pathway, which includes diacylglycerol (DAG), and protein kinase C, in the development of heart failure.
Sadahiro Mitsuaki   +8 more
doaj   +1 more source

A Novel Bis-Coumarin Targets Multiple Tyrosine Kinases of Key Signaling Pathways in Melanoma and Inhibits Melanoma Cell Survival, Proliferation, and Migration [PDF]

open access: yesarXiv, 2020
Melanoma is one of the most dangerous skin malignancies due to its high metastatic tendency and high mortality. Activation of key signaling pathways enforcing melanoma progression depends on phosphorylation of tyrosine kinases, and oxidative stress. We here investigated the effect of the new bis-coumarin derivative (3,5-DCPBC) on human melanoma cell ...
arxiv  

Transcription Factor Reb1p Regulates DGK1-encoded Diacylglycerol Kinase and Lipid Metabolism in Saccharomyces cerevisiae

open access: yesJournal of Biological Chemistry, 2013
Background: Diacylglycerol kinase produces phosphatidate, a major precursor for the synthesis of membrane phospholipids. Results: The expression of diacylglycerol kinase is induced by the Reb1p transcription factor, and the resulting activity increase is
Yixuan Qiu   +5 more
semanticscholar   +1 more source

Arrestin‐centred interactions at the membrane and their conformational determinants

open access: yesBritish Journal of Pharmacology, EarlyView.
Abstract More than 30 years after their discovery, arrestins are recognised multiprotein scaffolds that play essential roles in G protein‐coupled receptor (GPCR) regulation and signalling. Originally named for their capacity to hinder GPCR coupling to G proteins and facilitate receptor desensitisation, arrestins have emerged as key hubs for a myriad of
Owen Underwood   +3 more
wiley   +1 more source

Comparing Theories for the Maintenance of Late LTP and Long-Term Memory: Computational Analysis of the Roles of Kinase Feedback Pathways and Synaptic Reactivation [PDF]

open access: yesarXiv, 2020
How can memories be maintained from days to a lifetime, given turnover of proteins that underlie expression of long-term synaptic potentiation (LTP)? One likely solution relies on synaptic positive feedback loops, prominently including persistent activation of CaM kinase II (CaMKII) and self-activated synthesis of protein kinase M zeta (PKM).
arxiv  

Accuracy of position determination in Ca$^{2+}$ signaling [PDF]

open access: yes, 2019
A living cell senses its environment and responds to external signals. In this work, we study theoretically, the precision at which cells can determine the position of a spatially localized transient extracellular signal. To this end, we focus on the case, where the stimulus is converted into the release of a small molecule that acts as a second ...
arxiv   +1 more source

The Role of Diacylglycerol Kinase ζ and Phosphatidic Acid in the Mechanical Activation of Mammalian Target of Rapamycin (mTOR) Signaling and Skeletal Muscle Hypertrophy*

open access: yesJournal of Biological Chemistry, 2013
Background: Diacylglycerol kinases (DGKs) synthesize phosphatidic acid (PA), and PA can activate growth-regulatory mTOR signaling. Results: The ζ isoform of DGK is necessary for a mechanically induced increase in PA-mTOR signaling, and overexpression of ...
Jae-Sung You   +6 more
semanticscholar   +1 more source

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