Search Within
Applied Filters:
Palabra clave:'168149'
Showing 1-30 of 453 resultados for "


" within Papeles
J G Pilitsis et al.
Brain research, 985(2), 198-201 (2003-09-12)
Free fatty acid (FFA) concentrations in cerebrospinal fluid (CSF) from patients with ischemic and hemorrhagic stroke (n=25) and in contemporary controls (n=73) were examined using HPLC. Concentrations of CSF FFAs from ischemic and hemorrhagic stroke patients obtained within 48 h
Hai-Xin Yuan et al.
Genes & development, 29(22), 2362-2376 (2015-11-22)
The mechanistic target of rapamycin (mTOR) is a central cell growth controller and forms two distinct complexes: mTORC1 and mTORC2. mTORC1 integrates a wide range of upstream signals, both positive and negative, to regulate cell growth. Although mTORC1 activation by
Jiahua Li et al.
American journal of physiology. Cell physiology, 305(2), C190-C196 (2013-05-17)
Claudins constitute a family of tight junction transmembrane proteins whose first extracellular loop (ECL1) determines the paracellular permeability and ion selectivity in epithelia. There are two cysteines in the ECL1 that are conserved among all claudins. We hypothesized that these
Fiona E Freeman et al.
Tissue engineering. Part A, 21(7-8), 1320-1332 (2015-01-16)
Chondrogenic priming (CP) of mesenchymal stem cells (MSCs) and coculture of MSCs with human umbilical vein endothelial stem cells (HUVECs) both have been shown to significantly increase the potential for MSCs to undergo osteogenic differentiation and mineralization in vitro and
Shiori Minabe et al.
Endocrinology, 156(6), 2278-2287 (2015-03-31)
Ependymocytes are one of the energy-sensing cells that regulate animal reproduction through their responsiveness to changes in extracellular glucose levels and the expression of pancreatic-type glucokinase and glucose transporter 2, which play a critical role in sensing blood glucose levels
Li Zhang et al.
Biochimica et biophysica acta, 1838(7), 1809-1816 (2014-03-25)
The Escherichia coli inner membrane protein CysZ mediates the sulfate uptake subsequently utilized for the synthesis of sulfur-containing compounds in cells. Here we report the purification and functional characterization of CysZ. Using Isothermal Titration Calorimetry, we have observed interactions between
Hudson W Coates et al.
The Journal of biological chemistry, 296, 100731-100731 (2021-05-03)
Squalene monooxygenase (SM, also known as squalene epoxidase) is a rate-limiting enzyme of cholesterol synthesis that converts squalene to monooxidosqualene and is oncogenic in numerous cancer types. SM is subject to feedback regulation via cholesterol-induced proteasomal degradation, which depends on
Benetode Konziase
Analytical biochemistry, 482, 25-31 (2015-04-29)
We studied the target proteins of artemisinin in Trypanosoma brucei brucei using the affinity-labeling method. We designed and synthesized four biotinylated probes of artemisinin for use as molecular tools. Their in vitro trypanocidal activities (data not shown) proved that they
Veerle Kersemans et al.
Journal of nuclear medicine : official publication, Society of Nuclear Medicine, 46(3), 532-539 (2005-03-08)
The application of 123I-3-iodo-alpha-methyltyrosine is limited to diagnosis of brain tumors due to its marked long-term uptake in kidneys. In vitro evaluation of 125I-2-iodo-L-phenylalanine showed high uptake in R1M cells by L-type amino acid transport system 1 (LAT1). This study
Z Li et al.
Letters in applied microbiology, 59(6), 615-620 (2014-08-26)
Cysteine phytase is the main phytate-degrading enzyme of ruminant animals. To explore the genetic diversity and dynamic expression profile of cysteine phytase in sheep rumen during a feeding cycle, four transcript (0, 4, 9 and 16 h after feeding) and one
Cannabinoid CB2 receptor (CB2R) stimulation delays rubrospinal mitochondrial-dependent degeneration and improves functional recovery after spinal cord hemisection by ERK1/2 inactivation.
Latini L, Bisicchia E, Sasso V, et al.
Cell Death & Disease, 5, e1404-e1404 (2014)
Jaeho Lee et al.
Biochemical and biophysical research communications, 443(2), 483-488 (2013-12-11)
Coprisin is a 43-mer defensin-like peptide from the dung beetle, Copris tripartitus. CopA3 (LLCIALRKK-NH₂), a 9-mer peptide containing a single free cysteine residue at position 3 of its sequence, was derived from the α-helical region of coprisin and exhibits potent
Yun Ma et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 153, 206-211 (2015-08-28)
Silver nanoparticles (AgNPs) were successfully prepared in aqueous solution by a one-pot procedure based on a rapid microwave-assisted green approach. L-Cysteine acted as a capping agent in the process of AgNP formation. The structural and morphological characteristics of the L-cysteine-capped
Kazuki Ohno et al.
Biochemical and biophysical research communications, 456(1), 245-249 (2014-12-03)
Hydrogen sulfide (H2S) is a gaseous regulatory factor produced by several enzymes, and plays a pivotal role in processes such as proliferation or vasodilation. Recent reports demonstrated the physiological and pathophysiological functions of H2S in neurons. PTEN is a target
Mikko T Nieminen et al.
PloS one, 9(5), e97864-e97864 (2014-05-29)
The ability of C. albicans to form biofilms is a major virulence factor and a challenge for management. This is evident in biofilm-associated chronic oral-oesophageal candidosis, which has been shown to be potentially carcinogenic in vivo. We have previously shown
Viacheslav Liato et al.
Anaerobe, 35(Pt B), 11-21 (2015-06-24)
The combined effect of heat treatment and electro-activated solution (EAS) on the heat resistance of spores of Clostridium sporogenes and Geobacillus stearothermophilus was assessed under various heating and exposure time combinations. The acid and neutral EAS showed the highest inhibitory
Torben Sølbeck Rasmussen et al.
International journal of systematic and evolutionary microbiology, 71(3) (2021-01-30)
A bacterial strain, designated WCA-9-b2T, was isolated from the caecal content of an 18-week-old obese C57BL/6NTac male mouse. According to phenotypic analyses, the isolate was rod-shaped, strictly anaerobic, spore-forming, non-motile and Gram-stain-positive, under the conditions tested. Colonies were irregular and
Daniel B Raudabaugh et al.
Mycopathologia, 180(5-6), 325-332 (2015-07-15)
Bat white-nose syndrome, caused by the psychrophilic fungus Pseudogymnoascus destructans, has dramatically reduced the populations of many hibernating North American bat species. The search for effective biological control agents targeting P. destructans is of great importance. We report that the
Qunfei Zhao et al.
Nature, 518(7537), 115-119 (2015-01-22)
Low-molecular-mass thiols in organisms are well known for their redox-relevant role in protection against various endogenous and exogenous stresses. In eukaryotes and Gram-negative bacteria, the primary thiol is glutathione (GSH), a cysteinyl-containing tripeptide. In contrast, mycothiol (MSH), a cysteinyl pseudo-disaccharide
Sushil K Jain
Canadian journal of physiology and pharmacology, 90(8), 1061-1064 (2012-07-13)
Diabetes remains a major public health issue. According to the American Diabetes Association, 23.5 million, or 10.7% of people in the USA aged 20 years and older, have diabetes. Type-2 diabetes is treated both by controlling the diet and with
Helena Lucena-Padrós et al.
International journal of food microbiology, 190, 72-78 (2014-09-10)
We have genotyped a total of 1045 microbial isolates obtained along the fermentation time of Spanish-style green table olives from the fermentation yards (patios) of two large manufacturing companies in the Province of Sevilla, south of Spain. Genotyping was carried
Shangchun Li et al.
Environmental toxicology, 30(12), 1470-1480 (2014-06-26)
In the present study, we investigated the role of glutathione (GSH) and its related enzymes in Sprague Dawley (SD) rats subjected to microcystin-leucine-arginine (MCLR)-induced hepatotoxicity. SD rats were intraperitoneally (i.p.) injected with MCLR after pretreating with or without buthionine-(S,R)-sulfoximine (BSO)
Shaun M Cote et al.
Biochemistry, 52(51), 9141-9154 (2013-11-26)
NEMO (NF-κB essential modulator) associates with catalytic subunits IKKα and IKKβ to form the IκB kinase (IKK) complex and is a key regulator of NF-κB pathway signaling. Biochemical and structural characterization of NEMO has been challenging, however, leading to conflicting
Muhammad Azhar Sherkheli et al.
Pakistan journal of pharmaceutical sciences, 26(3), 431-438 (2013-04-30)
TRPV3 ion channels mediate thermo-transduction, nociception, inflammation and dermatitis in mammals. TRPV1-4 proteins have been shown to have conserved cysteine-residues in the pore-forming regions. These residues participate in channel activation via S-nitrosylation of channel proteins. Camphor is a commonly used
Jie Zhou et al.
Journal of pharmaceutical sciences, 104(8), 2619-2626 (2015-06-09)
There is an increasing interest in using N-acetylcysteine (NAC) as a treatment for neurodegenerative disorders to increase glutathione (GSH) levels and its redox status. The purpose of this study was to characterize the biosynthesis of NAC to GSH using a
Aya Umeno et al.
Journal of oleo science, 64(7), 793-800 (2015-07-03)
Olive leaf has great potential as a natural antioxidant, and one of its major phenolic components is oleuropein. In this study, the antioxidant activity of oleuropein against oxygen-centered radicals was measured by examining its sparing effects on the peroxyl radical-induced
Ioannis Manolaridis et al.
Nature, 504(7479), 301-305 (2013-12-03)
CAAX proteins have essential roles in multiple signalling pathways, controlling processes such as proliferation, differentiation and carcinogenesis. The ∼120 mammalian CAAX proteins function at cellular membranes and include the Ras superfamily of small GTPases, nuclear lamins, the γ-subunit of heterotrimeric
Maram Hilwi et al.
The Journal of biological chemistry, 289(49), 34258-34266 (2014-10-24)
The sodium- and chloride-coupled GABA transporter GAT-1 is a member of the neurotransmitter:sodium:symporters, which are crucial for synaptic transmission. Structural work on the bacterial homologue LeuT suggests that extracellular loop 4 closes the extracellular solvent pathway when the transporter becomes
Pramod Kumar Yadav et al.
The Journal of biological chemistry, 288(27), 20002-20013 (2013-05-24)
Mercaptopyruvate sulfurtransferase (MST) is a source of endogenous H2S, a gaseous signaling molecule implicated in a wide range of physiological processes. The contribution of MST versus the other two H2S generators, cystathionine β-synthase and γ-cystathionase, has been difficult to evaluate
Michał Burmistrz et al.
Journal of bacteriology, 197(16), 2631-2641 (2015-05-28)
The CRISPR-Cas (clustered regularly interspaced short palindromic repeats/CRISPR-associated genes) system provides prokaryotic cells with an adaptive and heritable immune response to foreign genetic elements, such as viruses, plasmids, and transposons. It is present in the majority of Archaea and almost
Página 1 de 16
Página 1 de 16