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326372

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Divyendu Singh et al.
The Journal of biological chemistry, 289(40), 27614-27624 (2014-08-06)
LL-37 is a peptide secreted by human epithelial cells that can lyse bacteria, suppress signaling by Toll-like receptor 4 (TLR4), and enhance signaling to double-stranded RNA (dsRNA) by TLR3. How LL-37 interacts with dsRNA to affect signal transduction by TLR3...
Han Yao et al.
Journal of pharmaceutical and biomedical analysis, 117, 232-239 (2015-09-18)
L-asparaginase is an effective anti-tumor agent for acute lymphoblastic leukemia. This work presents the development of an activity determination of L-ASNase preparations for pharmaceutical quality control purposes, in accordance with analytical Quality by Design principles. Critical method attributes, the absorbance...
Lydia E Wroblewski et al.
Gastroenterology, 136(1), 236-246 (2008-11-11)
Helicobacter pylori-induced gastritis predisposes to the development of gastric cancer. Increased epithelial tight junction permeability and alterations in apical-junctional complexes are also associated with an increased risk of carcinogenesis. Phosphorylation of myosin regulatory light chain (MLC) by MLC kinase (MLCK)...
Harry A Noyes et al.
BMC genomics, 16, 642-642 (2015-08-28)
Almost all genome sequencing projects neglect the fact that diploid organisms contain two genome copies and consequently what is published is a composite of the two. This means that the relationship between alternate alleles at two or more linked loci...
Anna Alekseeva et al.
Carbohydrate research, 400, 33-43 (2014-12-03)
There is a growing interest on glycol-split low-molecular weight heparins (gs-LMWHs), obtained by periodate oxidation of LMWHs, optionally followed by borohydride reduction, as potential anticancer and anti-inflammatory drugs. However, their structural characterization is still a challenging task, mainly because of...
Jiannan Sun et al.
Journal of chromatography. A, 1379, 112-117 (2015-01-13)
This study achieved resolution improvement for iodine speciation in the presence of an ion-pairing reagent by a pressure-driven capillary electrophoresis (CE) system. Addition of 0.01mM tetrabutyl ammonium hydroxide (TBAH) as the ion-pairing reagent into the electrophoretic buffer resulted in the...
Kyeong Eop Kang et al.
Carbohydrate polymers, 92(2), 1321-1326 (2013-02-13)
This study investigated the effects of NH(4)Cl and MgCl(2) on pretreatment and xylan hydrolysis of miscanthus straw for biofuels production. It was observed that increasing the pretreatment temperature decreased the remaining solid, increased the enzymatic digestibility, and increased the xylan...
Marlo K Sellin Jeffries et al.
Environmental toxicology and chemistry, 34(6), 1369-1381 (2015-05-02)
The fish embryo toxicity (FET) test has been proposed as an alternative to the larval growth and survival (LGS) test. The objectives of the present study were to evaluate the sensitivity of the FET and LGS tests in fathead minnows...
Lukas Wisgrill et al.
PloS one, 9(9), e106717-e106717 (2014-09-03)
In the last decades, human full-term cord blood was extensively investigated as a potential source of hematopoietic stem and progenitor cells (HSPCs). Despite the growing interest of regenerative therapies in preterm neonates, only little is known about the biological function...
Maria Addolorata Saracino et al.
Journal of pharmaceutical and biomedical analysis, 104, 122-129 (2014-12-17)
A new microextraction by packed sorbent (MEPS) procedure coupled to a high-performance liquid chromatographic method has been developed for quantitation of catecholamines (i.e. norepinephrine, epinephrine and dopamine) in innovative biological samples, namely dried plasma and urine spots. Analyses were carried...
Wolf Holtkamp et al.
The EMBO journal, 33(9), 1073-1085 (2014-03-13)
Elongation factor G (EF-G) promotes the movement of two tRNAs and the mRNA through the ribosome in each cycle of peptide elongation. During translocation, the tRNAs transiently occupy intermediate positions on both small (30S) and large (50S) ribosomal subunits. How...
Duraisamy Ponnusamy et al.
Infection and immunity, 83(5), 2065-2081 (2015-03-11)
The identification of new virulence factors in Yersinia pestis and understanding their molecular mechanisms during an infection process are necessary in designing a better vaccine or to formulate an appropriate therapeutic intervention. By using a high-throughput, signature-tagged mutagenic approach, we...
Kerry E Kelly et al.
Journal of the Air & Waste Management Association (1995), 63(5), 575-590 (2013-06-22)
Communities along Utah's Wasatch Front are currently developing strategies to reduce daily average PM2.5 levels to below National Ambient Air Quality Standards during wintertime persistent stable atmospheric conditions, or cold-air pools. Speciated PM2.5 data from the Wasatch Front airshed indicate...
Hélène Busser et al.
Stem cells and development, 24(18), 2142-2157 (2015-06-19)
Preparations of mesenchymal stromal cells (MSCs) are generally obtained from unfractionated tissue cells, resulting in heterogeneous cell mixtures. Several markers were proposed to enrich these cells, but the majority of these markers are defined for bone marrow (BM). Moreover, the...
Karmela Sobczyk et al.
Neurochemical research, 40(2), 274-283 (2014-07-30)
Hepatic encephalopathy (HE) represents a neuropsychiatric syndrome, which evolves as a consequence of a low grade cerebral edema and a concomitant oxidative/nitrosative stress response. Ephrin receptors (EphR) and their ligands (ephrins) regulate astrocytic glutamate uptake and gliotransmitter release thereby governing...
Chris A H Hansell et al.
Immunology and cell biology, 93(2), 167-176 (2014-10-29)
Chemokine-directed leukocyte migration is a critical component of all innate and adaptive immune responses. The atypical chemokine receptor ACKR2 is expressed by lymphatic endothelial cells and scavenges pro-inflammatory CC chemokines to indirectly subdue leukocyte migration. This contributes to the resolution...
Rebecca Saenz et al.
Journal of translational medicine, 12, 211-211 (2014-08-16)
High mobility group box protein 1 (HMGB1) acts as an endogenous danger molecule that is released from necrotic cells and activated macrophages. We have previously shown that peptide Hp91, whose sequence corresponds to an area within the B-Box domain of...
Ji-Yun Ko et al.
Stem cells and development, 23(15), 1788-1797 (2014-03-22)
The purpose of this study was to examine the in vitro and in vivo osteogenic potential of human induced pluripotent stem cells (hiPSCs) against that of human bone marrow mesenchymal stem cells (hBMMSCs). Embryoid bodies (EBs), which were formed from...
Hidekazu Takahashi et al.
The Journal of biological chemistry, 287(45), 38158-38167 (2012-09-21)
Metabolic responses of unicellular organisms are mostly acute, transient, and cell-autonomous. Regulation of nutrient uptake in yeast is one such rapid response. High quality nitrogen sources such as NH(4)(+) inhibit uptake of poor nitrogen sources, such as amino acids. Both...
Luc Bruyndonckx et al.
The Journal of pediatrics, 165(2), 300-305 (2014-05-21)
To examine the degree of microvascular endothelial dysfunction in relation to classical cardiovascular risk factors, arterial stiffness, and numbers of circulating endothelial progenitor cells (EPCs) and endothelial microparticles (EMPs), in obese and normal-weight children. Cross-sectional study with 57 obese (15.2±1.4...
Maciej Jarosz et al.
Analytica chimica acta, 851, 72-77 (2014-12-03)
Electrospray ionization mass spectrometry (ESI-MS) techniques have been used to characterize the speciation of a Ru(III) anticancer drug, indazolium trans-[tetrachloridobis(1H-indazole) ruthenate(III)], upon its binding to transferrin and the impact of cellular reducing components on drug-transferrin adducts. Using time-of-flight ESI-MS, the...
Chek Meng Poh et al.
Infection and immunity, 82(11), 4854-4864 (2014-08-27)
CD8(+) T cells play a pathogenic role in the development of murine experimental cerebral malaria (ECM) induced by Plasmodium berghei ANKA (PbA) infection in C57BL/6 mice. Only a limited number of CD8(+) epitopes have been described. Here, we report the...
Dan Ke et al.
Scandinavian cardiovascular journal : SCJ, 49(1), 64-71 (2015-01-13)
Myocardial ischemia-reperfusion injury (IRI) is associated with activation of the innate immune system and the resultant inflammatory response. Myocardial ischemic preconditioning (IPC) is the most powerful endogenous protective mechanism against myocardial IRI, probably via the role of anti-inflammation. Regulatory T...
[Ammonium chloride and the calcium chloride loading test for the diagnosis of renal tubular acidosis].
S Takahashi et al.
Nihon rinsho. Japanese journal of clinical medicine, 43(9), 1836-1842 (1985-09-01)
Eleanor W W Leung et al.
Chemical biology & drug design, 84(5), 616-625 (2014-05-13)
SPRY domain-containing SOCS box protein 2 (SPSB2) regulates inducible nitric oxide synthase (iNOS) by targeting it for proteasomal degradation. Inhibiting this interaction prolongs the intracellular lifetime of iNOS, leading in turn to enhanced killing of infectious pathogens such as bacteria...
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Massimiliano Secchi et al.
Antimicrobial agents and chemotherapy, 58(10), 6215-6223 (2014-08-13)
R4.0, a synthetic CCL5/RANTES-derived peptide, exerts potent anti-HIV-1 activity via its nonactivating interaction with CCR5, the major HIV-1 coreceptor. CCR5 chronic activation may promote undesirable inflammatory effects and enhance viral infection; thus, receptor antagonism is a necessary requisite. HIV-1 gp120...
Nathan C Rockwell et al.
Biochemistry, 54(16), 2581-2600 (2015-04-07)
Cyanobacteriochromes (CBCRs) are cyanobacterial photoreceptors distantly related to phytochromes. Both CBCRs and phytochromes use photoisomerization of a linear tetrapyrrole (bilin) chromophore to photoconvert between two states with distinct spectral and biochemical properties, the dark state and the photoproduct. The isolated...
Aharon Oren et al.
FEMS microbiology letters, 362(6) (2015-02-16)
We explored the use of Raman spectroscopy to simultaneously monitor the presence of different biomarkers (carotenoids, elemental sulfur) within single cells of the purple sulfur photosynthetic bacteria Allochromatium vinosum and A. warmingii. Raman microspectrometry using excitation at 532 nm allowed...
Can Luo et al.
Journal of immunology (Baltimore, Md. : 1950), 193(3), 1080-1089 (2014-06-27)
Ammonia levels are often elevated in patients with cirrhosis or tumors. Patients with these diseases are immunocompromised. In this study, we investigated the effects of ammonia on a member of the immune cell family, the dendritic cells (DCs). Our results...
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