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Results 301 - 350 of 2350
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Kim Ko Eun - - 2013
PURPOSE: To compare the detection of localized retinal nerve fiber layer (RNFL) defects by two different spectral domain optical coherence tomography (SD-OCT) devices. METHODS: Eyes of 42 normal control subjects and 48 patients with a localized RNFL defect on red-free fundus photographs were imaged by the Cirrus (Carl Zeiss Meditec, ...
Butina Tatyana V - - 2013
Numerous studies revealed high diversity of T4-like bacteriophages in various environments, but so far, little is known about T4-like virus diversity in freshwater bodies, particularly in eutrophic lakes. The present study was aimed at elucidating molecular diversity of T4-like bacteriophages in eutrophic Lake Kotokel located near Lake Baikal by partial ...
Li Yating - - 2013
  Ten eudesmanolides (1-10) including five new ones (1-4 and 6) were isolated from the whole plant of Wedelia trilobata (L.) Hitchc., a notorious invasive weed in South China. As main constituents of W. trilobata, eight of these eudesmanolides were tested for their antitobacco mosaic virus (TMV) activities by the conventional ...
Zhang Jing - - 2013
Cardiovascular disease (CVD) begins early in the course of chronic kidney disease (CKD) and is the leading cause of death in patients with CKD. Preventing the development of CVD and establishing new clinical tools for identifying high-risk individuals, particularly those with an increased risk for cardiac death, is of clinical ...
Hill Karl G - - 2013
The objectives of this study were to examine (1) whether the onset of sexually transmitted infections (STI) through age 30 differed for youths who received a social developmental intervention during elementary grades compared to those in the control condition; (2) potential social-developmental mediators of this intervention; and (3) the extent ...
Li Chunlan - - 2013
LIGHT/TNFSF14 is a member of the tumor necrosis factor ligand superfamily, which plays important roles in inflammatory and immune responses. In this study, the cDNA of mefugu (Takifugu obscures) LIGHT (designated as fLIGHT) was amplified from spleen by reverse transcription polymerase chain reaction. The open reading frame of fLIGHT covers ...
Cosma Stefano - - 2013
INTRODUCTION AND HYPOTHESIS: Laparoscopic sacropexy (LSP) is associated with obstructed defecation syndrome (ODS) in 10-50 % of cases. An anatomoclinical study was carried out to investigate whether there is any correlation between iatrogenic denervation during LSP and ODS. METHODS: Five female cadavers were dissected to identify possible sites of nerve injury ...
Hollóczki Oldamur - - 2013
In the last decade an explosive development has been observed in the fields of both ionic liquids (ILs) as potential chemically inert solvents with many possible technical applications, and N-heterocyclic carbenes (NHCs) as catalysts with superb performance. Since the cations of many ILs can be deprotonated by strong bases yielding ...
Elrod John W - - 2013
This review focuses on the role of cyclophilin D (CypD) as a prominent mediator of the mitochondrial permeability transition pore (MPTP) and subsequent effects on cardiovascular physiology and pathology. Although a great number of reviews have been written on the MPTP and its effects on cell death, we focus on ...
Salehmin M N I - - 2013
This review is focused on the production of microbial lipases by high cell density fermentation. Lipases are among the most widely used of the enzyme catalysts. Although lipases are produced by animals and plants, industrial lipases are sourced almost exclusively from microorganisms. Many of the commercial lipases are produced using ...
Ota Yuki - - 2013
Nitric oxide (NO) induces cytotoxicity in neuronal and glial cells via activation of the Na(+)/Ca(2+) exchanger (NCX). This study examined the role of the predominant brain-specific NCX splice variant NCX1.5 in NO-induced cytotoxicity in the HEK293 cell expression system. Cells were transfected with the plasmid construct pcDNA3.1/V5-His containing full-length rat ...
Zhang Xiaoping - - 2013
This study was conducted to evaluate the effects of Bacillus subtilis SC02 supplement on water quality, microbial community diversity and structure in a grass carp (Ctenopharyngodon idellus) culture. Our selected strain, B. subtilis SC02, significantly reduced ammonia, nitrite and total nitrogen levels in water over an extended period compared with ...
Kaasch A J - - 2013
OBJECTIVES: Early broad-spectrum antimicrobial treatment reduces mortality in patients with septic shock. In a multicenter, prospective observational study, we explored whether delayed appropriate antimicrobial therapy (AAT) influences outcome in Staphylococcus aureus bloodstream infection (SAB). METHODS: Two hundred and fifty-six patients with SAB from ten German study centers were enrolled and ...
Lewis Carmen L - - 2013
BACKGROUND: Although individualized decision making is recommended to appropriately screen for colorectal cancer (CRC) in older adults, it is unclear whether physicians solicit input from older patients before making a recommendation for or against CRC screening. OBJECTIVE: The purpose of this study was to examine whether physicians elect to engage ...
Kalra Veena - - 2013
OBJECTIVES: The use of leaded petrol was prohibited in the Delhi city by the end of 1998. To determine the impact of use of unleaded petrol, this cross-sectional study was conducted to determine blood lead levels in primary school children. METHODS: Blood lead levels were estimated in 300 school children ...
Diao Mei - - 2013
BACKGROUND: The aim of this study was to compare the efficacy of single-incision laparoscopic hepaticojejunostomy (SILH) with that of conventional laparoscopic hepaticojejunostomy (CLH) for children with choledochal cysts (CDCs). METHODS: Patients undergoing SILH between April 2011 and April 2012 were matched with those undergoing CLH between January 2009 and April ...
Coleman S S Gerald D - - 2013
In Roman Catholic Moral Theology, a direct abortion is never permitted. An indirect abortion, in which a life threatening pathology is treated, and the treatment inadvertently leads to the death of the fetus, may be permissible in proportionately grave situations. In situations in which a mother's life is endangered by ...
Raymond E - - 2013
Introduction MSC1992371A is an aurora kinase inhibitor with potential antitumor activity. Methods This trial established the maximum tolerated dose (MTD) and dose-limiting toxicities (DLTs) of oral MSC1992371A given before or after gemcitabine (1,000 mg/m(2)) in a 21-day cycle in patients with advanced malignancies. In schedule 1 (n = 31), gemcitabine was administered on days ...
Llugany M - - 2013
KEY MESSAGE : Sensitivity to Erysiphe in Noccaea praecox with low metal supply is related to the failure in enhancing SA. Cadmium protects against fungal-infection by direct toxicity and/or enhanced fungal-induced JA signaling. Metal-based defense against biotic stress is an attractive hypothesis on evolutionary advantages of plant metal hyperaccumulation. Metals ...
Zhong Zhiwei - - 2013
MicroRNAs (miRNAs) and DNA mismatch repair (MMR) have been linked to human cancer progression. Human mutL homolog 1 (hMLH1), one of the core MMR genes, defects in lung cancer development. However, the interaction between miRNAs and MMR genes and their regulatory effect on cell cycle remain poorly understood. In this ...
Devaud N - - 2013
Colorectal cancer (CRC) continues to rank as the third most common cancer in Western society and the second leading cause of cancer death in North America. There are at least three distinct, and relatively discreet, molecular pathways associated with this disease: chromosomal instability (CIN), microsatellite instability (MSI) and the cytosine ...
Uchida Takahiro - - 2013
Background: Global medical devices have become more popular, but investment money for medical device development is not easily available in the market. Worldwide health-care budget constraints mean that efficient medical device development has become essential. To achieve efficient development, globalization is a key to success. Spending large amounts of money in ...
Van de Velde Vera - - 2013
BACKGROUND: Prucalopride is a selective, high-affinity, 5-hydroxytryptamine 4 (5-HT4) receptor agonist, which is approved for the symptomatic treatment of chronic constipation in women in whom laxatives fail to provide adequate relief. Women of childbearing potential, many of whom will be using oral contraceptives, comprise a large proportion of patients seeking ...
Mujtaba S Shafaq - - 2013
BACKGROUND: Fibrotic focus (FF) has been observed in breast cancers and is suggested to be an important prognostic marker. However, most of these observations were reported by the same group of investigators with similar sample cohort. The relationship of FF and molecular subtypes as well as its associated prognosis has ...
Abdelgawad Amr A - - 2013
BACKGROUND: Complex, high-energy pediatric femur diaphyseal fractures cannot be treated reliably by conventional methods: casting is not suitable for polytrauma and large children, external fixation is associated with a high rate of malalignment and refractures, elastic nails are unsuitable for unstable fractures and metaphyseal areas, and lateral trochanteric entry rigid ...
Banaś Walentyna - - 2013
The last step in triacylglycerols (TAG) biosynthesis in oil seeds, the acylation of diacylglycerols (DAG), is catalysed by two types of enzymes: the acyl-CoA:diacylglycerol acyltransferase (DGAT) and phospholipid:diacylglycerol acyltransferase (PDAT). The relative contribution of these enzymes in the synthesis of TAG has not yet been defined in any plant tissue. ...
Moser Jakob Maximilian - - 2013
This review article is focused on the research progress made utilizing the wobbler mouse as animal model for human motor neuron diseases, especially the amyotrophic lateral sclerosis (ALS). The wobbler mouse develops progressive degeneration of upper and lower motor neurons and shows striking similarities to ALS. The cellular effects of ...
Lafaurie-Janvore Julie - - 2013
The last step of cell division, cytokinesis, produces two daughter cells that remain connected by an intercellular bridge. This state often represents the longest stage of the division process. Severing the bridge (abscission) requires a well-described series of molecular events, but the trigger for abscission remains unknown. We found that ...
Pirnot Michael T - - 2013
The direct β-activation of saturated aldehydes and ketones has long been an elusive transformation. We found that photoredox catalysis in combination with organocatalysis can lead to the transient generation of 5π-electron β-enaminyl radicals from ketones and aldehydes that rapidly couple with cyano-substituted aryl rings at the carbonyl β-position. This mode ...
Nakagome Shigeki - - 2013
Based on nuclear and mitochondrial DNA, Hailer et al. (Reports, 20 April 2012, p. 344) suggested early divergence of polar bears from a common ancestor with brown bears and subsequent introgression. Our population genetic analysis that traces each of the genealogies in the independent nuclear loci does not support the ...
Marin Alicia C - - 2013
Helicobacter pylori infection is generally treated with therapies that include a proton pump inhibitor (PPI) and, at least, two antibiotics being clarithromycin one of the most used. Antibiotic resistance, mainly to clarithromycin, seems to be increasing in many geographical areas, and this factor is considered a main cause leading to ...
Klimenko O V - - 2013
Previous studies have demonstrated functional roles for microRNAs (miRNAs) in various aspects of normal and malignant hematopoiesis, including lineage commitment, differentiation, apoptosis and maturation. In vivo delivery of naked DNA, oligonucleotides and miRNAs is complicated by their low stability, rapid degradation and inefficient delivery into target cells. In our experiments, ...
Fazil Mohammad - - 2013
Osteoporosis (OP) is a major disease in elderly people; its complications and prevalence are rapidly increasing worldwide. It is associated with high fragility fracture mainly of hip, wrist and spine. With the rising lifespan worldwide, the number of hip fractures throughout globe will rise from 1.66 million in 1990 to ...
Troelsen Anders - - 2013
The majority (86%) of THAs performed in the United States are uncemented. This may increase the revision burden if uncemented fixation is associated with a higher risk of revision than other approaches. We sought to investigate trends for use of uncemented fixation and to analyze age-stratified risk of revision comparing ...
Suvà Mario L - - 2013
The demonstration of induced pluripotency and direct lineage conversion has led to remarkable insights regarding the roles of transcription factors and chromatin regulators in mediating cell state transitions. Beyond its considerable implications for regenerative medicine, this body of work is highly relevant to multiple stages of oncogenesis, from the initial ...
Hanel W - - 2013
Mutant p53 proteins not only lose their tumor-suppressor function but some acquire oncogenic gain of function (GOF). The published mutp53 knock-in (KI) alleles (R172H, R270H, R248W) manifest GOF by broader tumor spectrum and more metastasis compared with the p53-null allele, but do not shorten survival. However, whether GOF also occurs ...
Maki Katsuyuki - - 2013
An assessment of the effective in vivo concentrations of antifungal drugs is important in determining their pharmacodynamics, and therefore, their optimal dosage regimen. Here we establish the effective in vivo concentration-based pharmacodynamics of three azole antifungal drugs (fluconazole, itraconazole, and ketoconazole) in a murine model of disseminated Candida albicans infection. ...
Badia X - - 2013
PURPOSE: To construct a model to predict preference-adjusted EuroQol 5D (EQ-5D) health utilities for CS using the disease-specific health-related quality of life measure (CushingQOL). METHODS: Data were obtained from the European Registry on CS (ERCUSYN). ERCUSYN is a web-based, multicenter, observational study that enrolled 508 CS patients from 36 centers ...
Napierała Agnieszka A Department of General Zoology, Faculty of Biology, Adam Mickiewicz University, ul. Umultowska 89, 61-614, Poznan, Poland. - - 2013
Unstable microhabitats (merocenoses)--such as decayed wood, ant hills, bird and mammal nests--constitute an important component of forest (and non-forest) environments. These microhabitats are often inhabited by specific communities of invertebrates and their presence increases the total biodiversity. The primary objective of the present study was to compare communities of Uropodina ...
Farkas Jerneja J Department of Public Health, Faculty of Medicine, University of Ljubljana, Ljubljana, Slovenia, - - 2013
Perception of healthy body size and composition differs considerably across the globe, ethnic groups, cultures, and even inside medical community. Although the concept of ideal body weight has evolved over the past decades, the observation that weight loss can have more deleterious effects within a short-term period than weight gain ...
Pryor Edward E EE Jr Membrane Protein Structural Biology Consortium, - - 2013
Posttranslational lipidation provides critical modulation of the functions of some proteins. Isoprenoids (i.e., farnesyl or geranylgeranyl groups) are attached to cysteine residues in proteins containing C-terminal CAAX sequence motifs (where A is an aliphatic residue and X is any residue). Isoprenylation is followed by cleavage of the AAX amino acid ...
Luh L M LM Institute of Biophysical Chemistry and Center for Biomolecular Magnetic Resonance, Goethe University, Frankfurt, - - 2013
The proteins p73 and p63 are members of the p53 protein family and are involved in important developmental processes. Their high sequence identity with the tumor suppressor p53 has suggested that they act as tumor suppressors as well. While p63 has a crucial role in the maintenance of epithelial stem ...
Quigley Andrew A Structural Genomics Consortium, University of Oxford, Oxford, - - 2013
Mutations in the nuclear membrane zinc metalloprotease ZMPSTE24 lead to diseases of lamin processing (laminopathies), such as the premature aging disease progeria and metabolic disorders. ZMPSTE24 processes prelamin A, a component of the nuclear lamina intermediate filaments, by cleaving it at two sites. Failure of this processing results in accumulation ...
Goettsch Claudia C Harvard Medical School, Cardiovascular Medicine, Brigham and Women's Hospital, 77 Avenue Louis Pasteur, NRB-741, Boston, MA 02115, USA. - - 2013
Cardiovascular calcification is a prominent feature of chronic inflammatory disorders-such as chronic kidney disease, type 2 diabetes mellitus, and atherosclerosis-that associate with significant morbidity and mortality. The concept that similar pathways control both bone remodeling and vascular calcification is widely accepted, but the precise mechanisms of calcification remain largely unknown. ...
McLeod Howard L HL Institute for Pharmacogenomics and Individualized Therapy, University of North Carolina, Chapel Hill, NC 27599, USA. - - 2013
The past decade has brought together substantial advances in human genome analysis and a maturation of understanding of tumor biology. Although there is much progress still to be made, there are now several prominent examples in which tumor-associated somatic mutations have been used to identify cellular signaling pathways in tumors. ...
Moore Heather M HM Department of Pathology, University of Michigan, Ann Arbor, MI, - - 2013
EZH2 is a Polycomb group protein that exerts oncogenic functions in breast cancer, where its overexpression is associated with metastatic disease. While it reportedly acts a transcriptional repressor through trimethylation of histone H3 at lysine 27, EZH2 may exhibit context-dependent activating functions. Despite associations with worse outcome and metastasis in ...
Nichols Colin G CG Center for the Investigation of Membrane Excitability Diseases and Department of Cell Biology and Physiology, Washington University School of Medicine, 660 South Euclid Avenue, St. Louis, MO 63110, USA. - - 2013
ATP-sensitive potassium (KATP) channels were first discovered in the heart 30 years ago. Reconstitution of KATP channel activity by coexpression of members of the pore-forming inward rectifier gene family (Kir6.1, KCNJ8, and Kir6.2 KCNJ11) with sulfonylurea receptors (SUR1, ABCC8, and SUR2, ABCC9) of the ABCC protein subfamily has led to ...
Banigan James R JR Department of Chemistry, New York University, 100 Washington Square East, New York, NY 10003, - - 2013
Magic-angle-spinning (MAS) solid-state NMR spectroscopy has emerged as a viable method to characterize membrane protein structure and dynamics. Nevertheless, the spectral resolution for uniformly labeled samples is often compromised by redundancy of the primary sequence and the presence of helical secondary structure that results in substantial resonance overlap. The ability ...
Vogelstein Bert B The Ludwig Center and The Howard Hughes Medical Institute at Johns Hopkins Kimmel Cancer Center, Baltimore, MD 21287, - - 2013
Over the past decade, comprehensive sequencing efforts have revealed the genomic landscapes of common forms of human cancer. For most cancer types, this landscape consists of a small number of "mountains" (genes altered in a high percentage of tumors) and a much larger number of "hills" (genes altered infrequently). To ...
Liu Jiangjiang J Weldon School of Biomedical Engineering, Purdue University, West Lafayette, IN 47907, - - 2013
The development of technologies for mass spectrometry imaging is of substantial research interest. Mass spectrometry is potentially capable of providing highly specific information about the distribution of compounds in tissues, with high sensitivity. The in-situ analysis needed for tissue imaging requires MS to be performed under conditions different from the ...
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