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关键词:'FLAAS'
显示 1-30 共 122 条结果 关于 "FLAAS" 范围 论文
Zhiqiang Deng et al.
Autophagy, 16(5), 917-931 (2019-08-01)
Macroautophagy (autophagy) is a key catabolic pathway for the maintenance of proteostasis through constant digestion of selective cargoes. The selectivity of autophagy is mediated by autophagy receptors that recognize and recruit cargoes to autophagosomes. SQSTM1/p62 is a prototype autophagy receptor
Ziyi Yin et al.
Autophagy, 16(5), 900-916 (2019-07-18)
Cells are faced with various stresses during their growth and development, and autophagy is a degradative process in which cells can break down their own components to recycle macromolecules and provide energy under these stresses. For pathogenic fungi that utilize
Eisuke Murakami et al.
Antimicrobial agents and chemotherapy, 51(2), 503-509 (2006-11-15)
Beta-D-2'-deoxy-2'-fluoro-2'-C-methylcytidine (PSI-6130) is a potent specific inhibitor of hepatitis C virus (HCV) RNA synthesis in Huh-7 replicon cells. To inhibit the HCV NS5B RNA polymerase, PSI-6130 must be phosphorylated to the 5'-triphosphate form. The phosphorylation of PSI-6130 and inhibition of
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
Runzhi Wu et al.
Journal of medicinal chemistry, 53(22), 7958-7966 (2010-10-23)
Bioisosteric deaza analogues of 6-methyl-9-β-D-ribofuranosylpurine, a hydrophobic analogue of adenosine, were synthesized and evaluated for antiviral activity. Whereas the 1-deaza and 3-deaza analogues were essentially inactive in plaque assays of infectivity, a novel 7-deaza-6-methyl-9-β-D-ribofuranosylpurine analogue, structurally related to the natural
Shay Eliahu et al.
Journal of medicinal chemistry, 53(24), 8485-8497 (2010-11-26)
Nucleotide pyrophosphatase/phosphodiesterases (NPPs) hydrolyze extracellular nucleotides and dinucleotides and thus control purinergic signaling. Enhanced NPP activity is implicated in health disorders such as osteoarthritis and cancer. We designed novel diadenosine polyphosphonate derivatives as potential NPP inhibitors. Analogues 1-4 bear a
Pius S Padayatti et al.
Structure (London, England : 1993), 27(7), 1114-1123 (2019-05-28)
MsbA is an essential ATP-binding cassette transporter in Gram-negative bacteria that transports lipid A and lipopolysaccharide from the cytoplasmic leaflet to the periplasmic leaflet of the inner membrane. Here we report the X-ray structure of MsbA from Salmonella typhimurium at
Muxing Liu et al.
The New phytologist, 230(2), 720-736 (2021-01-11)
Plant pathogens exploit the extracellular matrix (ECM) to inhibit host immunity during their interactions with the host. The formation of ECM involves a series of continuous steps of vesicular transport events. To understand how such vesicle trafficking impacts ECM and
Alexander J Baker-Williams et al.
Cell reports, 28(7), 1894-1906 (2019-08-15)
The extracellular molecular chaperone heat shock protein 90 (eHSP90) stabilizes protease client the matrix metalloproteinase 2 (MMP2), leading to tumor cell invasion. Although co-chaperones are critical modulators of intracellular HSP90:client function, how the eHSP90:MMP2 complex is regulated remains speculative. Here
Andrei A Ivanov et al.
Journal of medicinal chemistry, 50(6), 1166-1176 (2007-02-17)
A rhodopsin-based homology model of the nucleotide-activated human P2Y2 receptor, including loops, termini, and phospholipids, was optimized with the Monte Carlo multiple minimum conformational search routine. Docked uridine 5'-triphosphate (UTP) formed a nucleobase pi-pi complex with conserved Phe3.32. Selectivity-enhancing 2'-amino-2'-deoxy
Guide to Receptors and Channels (GRAC), 4th Edition.
British journal of pharmacology, 158 Suppl 1, S1-254 (2009-11-04)
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
Necrostatin-1 attenuates mitochondrial dysfunction in neurons and astrocytes following neonatal hypoxia--ischemia
Chavez-Valdez R, et al.
Neuroscience, 219, 192-203 (2012)
Petra Hillmann et al.
Journal of medicinal chemistry, 52(9), 2762-2775 (2009-05-08)
The P2Y(2) receptor, which is activated by UTP, ATP, and dinucleotides, was studied as a prototypical nucleotide-activated GPCR. A combination of receptor mutagenesis, determination of its effects on potency and efficacy of agonists and antagonists, homology modeling, and chemical experiments
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
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
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
Bowen Xing et al.
The Journal of cell biology, 218(3), 855-870 (2019-02-23)
Both menin and glucagon-like peptide 1 (GLP-1) pathways play central yet opposing role in regulating β cell function, with menin suppressing, and GLP-1 promoting, β cell function. However, little is known as to whether or how GLP-1 pathway represses menin
Asako Kusumi et al.
Frontiers in microbiology, 2, 104-104 (2011-07-13)
To characterize sulfate-producing microorganisms from the deteriorated sandstones of Angkor monuments in Cambodia, strains of Mycobacterium spp. were isolated from most probable number-positive cultures. All five strains isolated were able to use both elemental sulfur (S(0)) for chemolithoautotrophic growth and
Liesbet Cosyn et al.
Bioorganic & medicinal chemistry letters, 19(11), 3002-3005 (2009-05-08)
Ribose-based nucleoside 5'-diphosphates and triphosphates and related nucleotides were compared in their potency at the P2Y receptors with the corresponding nucleoside 5'-phosphonate derivatives. Phosphonate derivatives of UTP and ATP activated the P2Y(2) receptor but were inactive or weakly active at
Yongge Qiu et al.
Bioorganic & medicinal chemistry letters, 17(22), 6164-6168 (2007-09-25)
Mevalonate 5-diphosphate decarboxylase plays an important role in regulating cholesterol biosynthesis, which was studied through incubation with various synthetic substrate analogs and characterization of mutated enzymes. The results are potentially useful for further developing inhibitors that block the mevalonate pathway
Schuichi Koizumi et al.
Nature, 446(7139), 1091-1095 (2007-04-06)
Microglia, brain immune cells, engage in the clearance of dead cells or dangerous debris, which is crucial to the maintenance of brain functions. When a neighbouring cell is injured, microglia move rapidly towards it or extend a process to engulf
Rebecca A Sager et al.
Cell reports, 26(5), 1344-1356 (2019-01-31)
The molecular chaperone Hsp90 stabilizes and activates client proteins. Co-chaperones and post-translational modifications tightly regulate Hsp90 function and consequently lead to activation of clients. However, it is unclear whether this process occurs abruptly or gradually in the cellular context. We show
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
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
Shay Eliahu et al.
Journal of medicinal chemistry, 53(8), 3305-3319 (2010-03-27)
Extracellular nucleotides can modify the production or drainage of the aqueous humor via activation of P2 receptors and therefore affect the intraocular pressure (IOP). We have synthesized slowly hydrolyzable nucleoside di- and triphosphate analogues, 1, and 8-14. Analogues 8-14 were
Sean McCutcheon et al.
Journal of bone and mineral research : the official journal of the American Society for Bone and Mineral Research, 35(5), 966-977 (2020-01-08)
Localized apoptosis of osteocytes, the tissue-resident cells within bone, occurs with fatigue microdamage and activates bone resorption. Osteoclasts appear to target and remove dying osteocytes, resorbing damaged bone matrix as well. Osteocyte apoptosis similarly activates bone resorption with estrogen loss
Mengmeng Niu et al.
Nature communications, 12(1), 5919-5919 (2021-10-13)
Abnormal activation of epidermal growth factor receptor (EGFR) drives non-small cell lung cancer (NSCLC) development. EGFR mutations-mediated resistance to tyrosine-kinase inhibitors (TKIs) is a major hurdle for NSCLC treatment. Here, we show that F-box protein FBXL2 targets EGFR and EGFR
Yunyun Jin et al.
Development (Cambridge, England), 145(18) (2018-08-17)
The differentiated phenotype of articular chondrocytes of synovial joints needs to be maintained throughout life. Disruption of the articular cartilage, frequently associated with chondrocyte hypertrophy and calcification, is a central feature in osteoarthritis (OA). However, the molecular mechanisms whereby phenotypes
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
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