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A3377
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Scott H Randell et al.
Methods in molecular biology (Clifton, N.J.), 742, 285-310 (2011-05-07)
When primary human airway epithelial (hAE) cells are grown in vitro on porous supports at an air-liquid interface (ALI), they recapitulate in vivo morphology and key physiologic processes. These cultures are useful for studying respiratory tract biology and diseases and
Hong-Mei Guo et al.
Proceedings of the National Academy of Sciences of the United States of America, 112(14), 4435-4440 (2015-04-02)
The airway epithelia initiate and modulate the inflammatory responses to various pathogens. The cystic fibrosis transmembrane conductance regulator-mediated Cl(-) secretion system plays a key role in mucociliary clearance of inhaled pathogens. We have explored the effects of Toxoplasma gondii, an
Fabiano B Carvalho et al.
The Journal of nutritional biochemistry, 26(4), 378-390 (2015-01-31)
The aim of this study was to investigate the protective effect of anthocyanins (ANT) on oxidative and inflammatory parameters, as well as ion pump activities, in the pons of rats experimentally demyelinated with ethidium bromide (EB). Rats were divided in
Diana C Vanegas et al.
Biosensors & bioelectronics, 74, 37-44 (2015-06-22)
The objective of this study was to develop a self-referencing electrochemical biosensor for the direct measurement of ATP flux into the extracellular matrix by living cells/organisms. The working mechanism of the developed biosensor is based on the activity of glycerol
Aurélie Formey et al.
Cell and tissue research, 343(3), 509-519 (2011-01-19)
Cells with irregular shapes, numerous long thin filaments, and morphological similarities to the gastrointestinal interstitial cells of Cajal (ICCs) have been observed in the wall of some blood vessels. These ICC-like cells (ICC-LCs) do not correspond to the other cell
Angélica T Vieira et al.
Arthritis & rheumatology (Hoboken, N.J.), 67(6), 1646-1656 (2015-04-29)
Host-microbial interactions are central in health and disease. Monosodium urate monohydrate (MSU) crystals cause gout by activating the NLRP3 inflammasome, leading to interleukin-1β (IL-1β) production and neutrophil recruitment. This study was undertaken to investigate the relevance of gut microbiota, acetate
J E Geiger et al.
Neuroscience, 162(4), 1023-1038 (2009-05-12)
Ca(2+) influx through voltage-gated Ca(2+) channels is a fundamental signaling event in neurons; however, non-traditional routes, such as non-selective cation channels, also permit Ca(2+) entry. The present study examines the Ca(2+) permeability of a cation channel that drives an afterdischarge
Monica Frinchi et al.
International journal of molecular sciences, 21(23) (2020-12-10)
Acute or chronic administration of guanosine (GUO) induces anxiolytic-like effects, for which the adenosine (ADO) system involvement has been postulated yet without a direct experimental evidence. Thus, we aimed to investigate whether adenosine receptors (ARs) are involved in the GUO-mediated
W Liu et al.
Life sciences, 89(5-6), 141-146 (2011-06-21)
Microglia and astrocytes in the central nervous system are now recognized as active participants in various pathological conditions such as trauma, stroke, or chronic neurodegenerative disorders. Their activation is closely related with the development and severity of diseases. Interestingly, activation
Tânia D F Costa et al.
Nature communications, 10(1), 3589-3589 (2019-08-11)
Overcoming cellular growth restriction, including the evasion of cellular senescence, is a hallmark of cancer. We report that PAK4 is overexpressed in all human breast cancer subtypes and associated with poor patient outcome. In mice, MMTV-PAK4 overexpression promotes spontaneous mammary
Crosstalk between purinergic receptors and canonical signaling pathways in the mouse salivary gland.
Sumit Bhattacharya et al.
Cell calcium, 58(6), 589-597 (2015-10-08)
Isolated clusters of mouse parotid acinar cells in combination with live cell imaging were used to explore the crosstalk in molecular signaling between purinergic, cholinergic and adrenergic pathways that integrate to control fluid and protein secretion. This crosstalk was manifested
Yuan Liu et al.
Carbohydrate research, 401, 1-4 (2014-12-03)
Three sugar 1-phosphates that are donor substrates for phosphorylases were produced at the gram scale from phosphoenolpyruvic acid and the corresponding sugars by the combined action of pyruvate kinase and the corresponding anomeric kinases in good yields. These sugar 1-phosphates
Teresa Obis et al.
Molecular brain, 8(1), 80-80 (2015-12-03)
Various protein kinase C (PKC) isoforms contribute to the phosphorylating activity that modulates neurotransmitter release. In previous studies we showed that nPKCε is confined in the presynaptic site of the neuromuscular junction and its presynaptic function is activity-dependent. Furthermore, nPKCε
Sarah Triclin et al.
Nature materials, 20(6), 883-891 (2021-01-23)
Microtubule instability stems from the low energy of tubulin dimer interactions, which sets the growing polymer close to its disassembly conditions. Molecular motors use ATP hydrolysis to produce mechanical work and move on microtubules. This raises the possibility that the
Allosteric modulation of ATP-gated P2X receptor channels.
Coddou, C., et al.
Rev. Neuro., 22, 335-354 (2011)
Butaek Lim et al.
Sensors (Basel, Switzerland), 15(8), 17977-17989 (2015-07-28)
We report a simple detection of protein kinase activity using Zn(II)-mediated fluorescent resonance energy transfer (FRET) between quantum dots (QDs) and dye-tethered peptides. With neither complex chemical ligands nor surface modification of QDs, Zn(II) was the only metal ion that
Christopher J Groten et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 35(6), 2747-2765 (2015-02-13)
It is unknown whether neurons can dynamically control the capacity for secretion by promptly changing the number of plasma membrane voltage-gated Ca(2+) channels. To address this, we studied peptide release from the bag cell neurons of Aplysia californica, which initiate
Perturbation of phosphoglycerate kinase 1 (PGK1) only marginally affects glycolysis in cancer cells.
Chengmeng Jin et al.
The Journal of biological chemistry, 295(19), 6425-6446 (2020-03-29)
Phosphoglycerate kinase 1 (PGK1) plays important roles in glycolysis, yet its forward reaction kinetics are unknown, and its role especially in regulating cancer cell glycolysis is unclear. Here, we developed an enzyme assay to measure the kinetic parameters of the
Fabian Sesterhenn et al.
PLoS biology, 17(2), e3000164-e3000164 (2019-02-23)
Throughout the last several decades, vaccination has been key to prevent and eradicate infectious diseases. However, many pathogens (e.g., respiratory syncytial virus [RSV], influenza, dengue, and others) have resisted vaccine development efforts, largely because of the failure to induce potent
Vidhi Pareek et al.
Science (New York, N.Y.), 368(6488), 283-290 (2020-04-18)
Metabolons, multiprotein complexes consisting of sequential enzymes of a metabolic pathway, are proposed to be biosynthetic "hotspots" within the cell. However, experimental demonstration of their presence and functions has remained challenging. We used metabolomics and in situ three-dimensional submicrometer chemical
Sean H White et al.
Journal of neurophysiology, 112(2), 446-462 (2014-04-18)
Nicotinic receptors form a diverse group of ligand-gated ionotropic receptors with roles in both synaptic transmission and the control of excitability. In the bag cell neurons of Aplysia, acetylcholine activates an ionotropic receptor, which passes inward current to produce a
Minfeng Ying et al.
Redox biology, 46, 102065-102065 (2021-07-23)
Although glucose, through pentose phosphate pathway (PPP), is the main source to generate NADPH, solid tumors are often deprived of glucose, hence alternative metabolic pathways to maintain NADPH homeostasis in cancer cells are required. Here, we report that lactate and
Kazuyuki Takai et al.
Nature protocols, 5(2), 227-238 (2010-02-06)
Biochemical characterization of each gene product encoded in the genome is essential to understand how cells are regulated. The bottleneck has been and still is in how the gene products can be obtained. The wheat cell-free protein synthesis system we
Yonghua Li et al.
Food chemistry, 234, 62-67 (2017-05-30)
In order to investigate the effects of tea tree oil (TTO) on mitochondrial morphology and function in Botrytis cinerea, mycelia were treated with TTO at different concentrations. TTO at 2ml/l severely damaged mitochondria, resulting in matrix loss and increased mitochondrial
Abhinit Nagar et al.
Frontiers in immunology, 12, 752482-752482 (2021-11-09)
Although considered the ternary inflammasome structure, whether the singular, perinuclear NLRP3:ASC speck is synonymous with the NLRP3 inflammasome is unclear. Herein, we report that the NLRP3:ASC speck is not required for nigericin-induced inflammasome activation but facilitates and maximizes IL-1β processing.
Nora Grahl et al.
PLoS pathogens, 11(8), e1005133-e1005133 (2015-09-01)
Candida albicans is both a major fungal pathogen and a member of the commensal human microflora. The morphological switch from yeast to hyphal growth is associated with disease and many environmental factors are known to influence the yeast-to-hyphae switch. The
N S Magoski et al.
The Journal of physiology, 522 Pt 2, 271-283 (2000-01-19)
1. Brief synaptic stimulation, or exposure to Conus textile venom (CtVm), triggers an afterdischarge in the bag cell neurones of Aplysia. This is associated with an elevation of intracellular calcium ([Ca2+]i) through Ca2+ release from intracellular stores and Ca2+ entry
Zhengrong Guan et al.
Hypertension (Dallas, Tex. : 1979), 58(3), 333-340 (2011-07-20)
ATP is an essential energy substrate for cellular metabolism, but it can also influence many biological processes when released into the extracellular milieu. Research has established that extracellular ATP acts as an autocrine/paracrine factor that regulates many physiological functions. Alternatively
Aura E Ionescu et al.
International journal of molecular sciences, 20(24) (2019-12-19)
Eyes absent (EYA) are non-thiol-based protein tyrosine phosphatases (PTPs) that also have transcriptional co-activator functions. Their PTP activity is involved in various pathologies. Recently, we demonstrated that Src tyrosine kinase phosphorylates human EYA3 by controlling its subcellular localization. We also
Iris R M Tébéka et al.
Langmuir : the ACS journal of surfaces and colloids, 25(3), 1582-1587 (2009-01-28)
Cellulase is an enzymatic complex which synergically promotes the degradation of cellulose to glucose. The adsorption behavior of cellulase from Trichoderma reesei onto Si wafers or amino-terminated surfaces was investigated by means of ellipsometry and atomic force microscopy (AFM) as
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