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Shunsuke Takahashi et al.
Analytical chemistry, 87(6), 3490-3497 (2015-02-24)
Effects of a negative supercoil on the local denaturation of the DNA double helix were studied at the single-molecule level. The local denaturation in λDNA and λDNA containing the SV40 origin of DNA replication (SV40ori-λDNA) was directly observed by staining
Rong Xu et al.
Methods (San Diego, Calif.), 87, 11-25 (2015-04-19)
Secretion and exchange of extracellular vesicles (EVs) by most cell types is emerging as a fundamental biological process. Although much is known about EVs, there is still a lack of definition as to how many naturally occurring EV subtypes there
Ruben Magni et al.
Journal of translational medicine, 13, 346-346 (2015-11-06)
Prompt antibiotic treatment of early stage Lyme borreliosis (LB) prevents progression to severe multisystem disease. There is a clinical need to improve the diagnostic specificity of early stage Lyme assays in the period prior to the mounting of a robust
Mohamed Mlih et al.
Molecular and cellular biochemistry, 404(1-2), 211-220 (2015-03-12)
Osteopontin (OPN), a multifunctional glycophosphoprotein, has been reported to contribute to the development and progression of cardiac remodeling and hypertrophy. Cardiac-specific OPN knockout mice were protected against hypertrophy and fibrosis mediated by Ang II. Recently, transgenic mice expressing the active
Tejinder Singh et al.
American journal of physiology. Renal physiology, 309(3), F189-F203 (2015-06-19)
ANG II type 1 receptor blockade (AT1R-BLK) is used extensively to slow down the progression of proteinuric kidney diseases. We hypothesized that AT1R-BLK provides podocyte protection through regulation of silencing mediator of retinoic acid and thyroid hormone receptor (SMRT) and
Lando L G Schwenen et al.
Scientific reports, 5, 12006-12006 (2015-07-15)
Even though a number of different in vitro fusion assays have been developed to analyze protein mediated fusion, they still only partially capture the essential features of the in vivo situation. Here we established an in vitro fusion assay that
Fei Ye et al.
PloS one, 10(11), e0142082-e0142082 (2015-11-07)
Chronic hepatitis C virus (HCV) infection is one of the leading causes of severe hepatitis. The molecular mechanisms underlying HCV replication and pathogenesis remain unclear. The development of the subgenome replicon model system significantly enhanced study of HCV. However, the
Ayten Hijazi et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 29(12), 4968-4977 (2015-08-19)
Developmental exposure to bisphenol A (BPA) is associated with lung dysfunction and diseases. However, it is unknown if this association has a fetal origin. The present study addressed this important question by examining the effects of BPA on fetal lung
Masaki Hiramoto et al.
International journal of molecular medicine, 36(1), 222-230 (2015-05-09)
Although recent genome-wide association studies (GWAS) have been extremely successful, it remains a big challenge to functionally annotate disease‑associated single nucleotide polymorphisms (SNPs), as the majority of these SNPs are located in non‑coding regions of the genome. In this study
Yarong Liu et al.
PloS one, 9(10), e110611-e110611 (2014-10-21)
Multidrug resistance (MDR) is a significant challenge to effective cancer chemotherapy treatment. However, the development of a drug delivery system that allows for the sustained release of combined drugs with improved vesicle stability could overcome MDR in cancer cells. To
Shengqing Zhao et al.
Environmental toxicology and pharmacology, 39(1), 145-156 (2014-12-17)
We investigated the possible safety property and translocation of graphene oxide (GO) in the range of μg/L in Arabidopsis. GO exposure did not obviously influence germination, seed development, shoot and root development of seedlings, and flowering time. Meanwhile, GO exposure
S-H Shin et al.
Cell death & disease, 5, e1490-e1490 (2014-10-24)
Methionine sulfoxide reductase A (MSRA) protects proteins from oxidation, and also helps remove reactive oxygen species (ROS) by recovering antioxidant enzymes inactivated by oxidation. Although its functions have been investigated extensively, little is known about the mechanism by which MSRA
Milo B Fasken et al.
PLoS genetics, 11(3), e1005044-e1005044 (2015-03-17)
Non-coding RNAs (ncRNAs) play critical roles in gene regulation. In eukaryotic cells, ncRNAs are processed and/or degraded by the nuclear exosome, a ribonuclease complex containing catalytic subunits Dis3 and Rrp6. The TRAMP (Trf4/5-Air1/2-Mtr4 polyadenylation) complex is a critical exosome cofactor
Kyung H Choi et al.
Biochimie, 115, 17-27 (2015-05-03)
The POT1 protein plays a critical role in telomere protection and telomerase regulation. POT1 binds single-stranded 5'-TTAGGGTTAG-3' and forms a dimer with the TPP1 protein. The dimer is recruited to telomeres, either directly or as part of the Shelterin complex.
Bing Hao et al.
Organic & biomolecular chemistry, 13(48), 11663-11673 (2015-10-20)
The allelopathic root exudate of the drought-tolerant subsistence cereal intercrop D. incanum, protecting against the parasitic weed Striga hermonthica, comprises a number of di-C-glycosylflavones specifically containing C-glucosyl, C-galactosyl and C-arabinosyl moieties. Here we demonstrate that the biosynthesis of all compounds
Katelyn T Gause et al.
ACS nano, 9(3), 2433-2444 (2015-02-26)
The development of subunit antigen delivery formulations has become an important research endeavor, especially in cases where a whole cell vaccine approach has significant biosafety issues. Particle-based systems have shown particular efficacy due to their inherent immunogenicity. In some cases
Suzanne M Underhill et al.
The Journal of neuroscience : the official journal of the Society for Neuroscience, 35(13), 5260-5270 (2015-04-04)
The gene for EAAT2, the major astrocytic glutamate transporter, generates two carrier isoforms (EAAT2a and EAAT2b) that vary at their C termini as a consequence of alternative RNA splicing. The EAAT2b cytoplasmic C terminus contains a postsynaptic density-95/Discs large/zona occludens-1
Shadi Toghi Eshghi et al.
ACS chemical biology, 9(9), 2149-2156 (2014-07-17)
Aberrant glycosylation is associated with most of the diseases. Direct imaging and profiling of N-glycans on tissue sections can reveal tissue-specific and/or disease-associated N-glycans, which not only could serve as molecular signatures for diagnosis but also shed light on the
Hengyi Shao et al.
Scientific reports, 5, 12204-12204 (2015-07-25)
Chromosome segregation in mitosis is orchestrated by the dynamic interactions between the kinetochore and spindle microtubules. The microtubule depolymerase mitotic centromere-associated kinesin (MCAK) is a key regulator for an accurate kinetochore-microtubule attachment. However, the regulatory mechanism underlying precise MCAK depolymerase
C Gröer et al.
Journal of pharmaceutical and biomedical analysis, 100, 393-401 (2014-09-15)
Cytochrome P450 (CYP) enzymes and UDP-glucuronosyltransferases (UGT) are major determinants in the pharmacokinetics of most drugs on the market. To investigate their impact on intestinal and hepatic drug metabolism, we developed and validated quantification methods for nine CYP (CYP1A2, CYP2B6
Young-Tae Ju et al.
Journal of cellular biochemistry, 116(2), 277-286 (2014-09-05)
Heat shock protein 20 (HSP20), which is a member of the small heat shock protein family, is known to participate in many pathological processes, such as asthma, intimal hyperplasia, and insulin resistance. However, the function of HSP20 in cancer development
Wei-Na Gao et al.
Scientific reports, 5, 12844-12844 (2015-08-08)
The rat is an important alternative for studying human pathology owing to certain similarities to humans. Glycomic studies on rat serum have revealed that variations in the N-glycans of glycoproteins correlated with disease progression, which is consistent with the findings
Nida Zaidi et al.
The journal of physical chemistry. B, 118(46), 13025-13036 (2014-10-23)
Sodium dodecyl sulfate (SDS)-glycoprotein interaction serves as a model for a biological membrane. To get mechanistic insight into the interaction of SDS and glycoprotein, the effect of SDS on bovine serum fetuin (BSF) was studied in subcritical micellar concentrations at
Rupendra Mukerjea et al.
Carbohydrate research, 367, 25-28 (2013-01-09)
We have recently found that the dilution of purified potato Starch-Synthases (SS) and Starch-Branching-Enzymes (SBEs), by a glycine buffer (pH 8.5), containing 1.0mM dithiothreitol (DTT) and 0.04% (w/v) polyvinyl alcohol (PVA) 50K, produced a striking and significant increase in activity
Antonio J López-Farré et al.
British journal of clinical pharmacology, 78(6), 1366-1377 (2014-07-22)
Further to its pivotal role in haemostasis, factor Xa (FXa) promotes effects on the vascular wall. The purpose of the study was to evaluate if FXa modifies the expression level of energy metabolism and oxidative stress-related proteins in femoral arteries
Pilar de la Peña et al.
Pflugers Archiv : European journal of physiology, 467(8), 1747-1756 (2014-09-17)
The N-terminal-most N-tail of the human ether-à-go-go-related gene (hERG) potassium channel is a crucial modulator of deactivation through its interactions with the S4-S5 loop and/or the C-linker/cNBD, leading to a stabilization of the channel's open state. Not only the N-terminal
Nicholas L Block et al.
Ecology and evolution, 5(17), 3743-3755 (2015-09-19)
The merger of formerly isolated lineages is hypothesized to occur in vertebrates under certain conditions. However, despite many demonstrated instances of introgression between taxa in secondary contact, examples of lineage mergers are rare. Preliminary mtDNA sequencing of a Malagasy passerine
Yi-Shuai Zhang et al.
Free radical biology & medicine, 83, 115-128 (2015-02-24)
Nuclear myosin regulates gene transcription and this novel function might be modulated through phosphorylation of the myosin regulatory light chain (p-MLC20). Nonmuscle MLC20 (nmMLC20) is also present in the nuclei of cardiomyocytes and a potential nmMLC20 binding sequence has been
Katharine G Harris et al.
PloS one, 10(10), e0141383-e0141383 (2015-10-29)
Unc93b is an endoplasmic reticulum (ER)-resident transmembrane protein that serves to bind and traffic toll-like receptors (TLRs) from the ER to their appropriate subcellular locations for ligand sensing. Because of its role in TLR trafficking, Unc93b is necessary for an
Mariaconcetta Sicurella et al.
PloS one, 9(7), e100844-e100844 (2014-07-18)
Herpes simplex virus types 1 and 2 (HSV1 and HSV2) are common infectious agents in both industrialized and developing countries. They cause recurrent asymptomatic and/or symptomatic infections, and life-threatening diseases and death in newborns and immunocompromised patients. Current treatment for
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