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Wyświetlanie 1-30 of 1224 wyniki(-ów) for "

31573

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Bo Peng et al.
Molecular bioSystems, 11(1), 105-114 (2014-10-18)
The cancerous inhibitor of protein phosphatase 2A (CIP2A) is a recently characterized endogenous inhibitor of the phosphatase activity of protein phosphatase 2A (PP2A), which extends the half-life of oncogenic protein c-myc and promotes in vivo tumor growth. The function of
Qi Feng Dang et al.
Biomedical materials (Bristol, England), 10(1), 015022-015022 (2015-03-03)
Collagen, one of the most abundant structural proteins found in vertebrates, has been extensively used for biomedical applications. The objectives of this study were to isolate and characterize acid-soluble collagen (ASC) from haddock (Melanogrammus aeglefinus) skins and to investigate the
Dong-Kyu Kim et al.
Endocrinology, 155(5), 1864-1873 (2014-02-13)
The novel neuropeptide spexin (SPX) was discovered using bioinformatics. The function of this peptide is currently under investigation. Here, we identified SPX along with a second SPX gene (SPX2) in vertebrate genomes. Syntenic analysis and relocating SPXs and their neighbor
Soon-Ok Oh et al.
Mycobiology, 42(3), 229-240 (2014-10-28)
On the basis of extensive field investigation and a series of herbarium specimen identifications, we present and discuss the descriptions and distribution of 22 species of Ramalina found in the Hengduan Mountains of southwestern China. In this revisionary study, representatives
Melinda A Engevik et al.
American journal of physiology. Gastrointestinal and liver physiology, 308(6), G510-G524 (2015-01-02)
The majority of antibiotic-induced diarrhea is caused by Clostridium difficile (C. difficile). Hospitalizations for C. difficile infection (CDI) have tripled in the last decade, emphasizing the need to better understand how the organism colonizes the intestine and maintain infection. The
Yolanda Karla Cupertino da Silva et al.
Molecules (Basel, Switzerland), 19(6), 8456-8471 (2014-06-24)
Different chemotypes are described as anti-inflammatory. Among them the N-acylhydrazones (NAH) are highlighted by their privileged structure nature, being present in several anti-inflammatory drug-candidates. In this paper a series of functionalized 3-aminothiophene-2-acylhydrazone derivatives 5a-i were designed, synthesized and bioassayed. These
Gunnel H Nilsson et al.
Journal of analytical toxicology, 38(6), 327-334 (2014-05-03)
A simple liquid chromatography-tandem mass spectrometry method was validated to allow determination of zopiclone (ZOP), N-desmethylzopiclone (NDZOP), zopiclone N-oxide (ZOPNO) and 2-amino-5-chloropyridine (ACP) in urine at concentrations up to 3,000 ng/mL within 3.5 min. This method was used for quantitative
Wei Jia et al.
Journal of chromatography. A, 1362, 110-118 (2014-08-27)
A new analytical method was developed and validated for simultaneous analysis of 27 phthalates in milk and milk products. Response surface methodology was employed to optimize a quick, easy, cheap, effective, rugged, and safe (QuEChERS) sample preparation method. Ultrahigh-performance liquid
Flávio Cesar Bedatty Fernandes et al.
Food chemistry, 166, 309-315 (2014-07-24)
A new, simple, rapid and sensitive flow injection spectrophotometric method was developed for the screening and determination of sulphonamides in bovine milk samples. The method is based on the condensation of sulphathiazole, sulphamethazine, and sulphadimethoxine with p-dimethylaminobenzaldehyde (p-DAB) in acid
Coilín Boland et al.
Cellular and molecular life sciences : CMLS, 71(24), 4895-4910 (2014-07-12)
Membrane proteins are key elements in cell physiology and drug targeting, but getting a high-resolution structure by crystallographic means is still enormously challenging. Novel strategies are in big demand to facilitate the structure determination process that will ultimately hasten the
Elina Esmaeilzadeh Gharehdaghi et al.
Nucleic acid therapeutics, 24(6), 420-427 (2014-10-02)
Chitosan nanoparticles were prepared using ultrasonication methodology at specific amplitudes and times of sonication. Subsequently, small interfering RNA (siRNA) was added to the solution at predetermined values of nitrogen to phosphorous ratio (N/P), and stirring time. Employing response surfaces generated
Anne Warner et al.
Journal of pharmaceutical and biomedical analysis, 105, 46-54 (2014-12-22)
Stability-indicating reversed phase HPLC methods have been developed and validated for the determination of 13 potential process and degradation impurities in pemetrexed disodium drug substance (DS) and pemetrexed for injection drug product (DP). This paper describes the development of HPLC-UV
Rahul D Sheth et al.
Biotechnology and bioengineering, 111(8), 1595-1603 (2014-03-07)
In this work, a proof of concept elastin-like polypeptide-Z domain fusion (ELP-Z) based affinity precipitation process is developed for monoclonal antibody (mAb) purification from industrial harvest feeds. Greater than 99% mAb recoveries are obtained during the initial binding step of
James R Carter et al.
Virology journal, 11, 111-111 (2014-06-15)
Approximately 100 million confirmed infections and 20,000 deaths are caused by Dengue virus (DENV) outbreaks annually. Global warming and rapid dispersal have resulted in DENV epidemics in formally non-endemic regions. Currently no consistently effective preventive measures for DENV exist, prompting
Woo-Young Seo et al.
Nucleic acids research, 41(18), 8526-8536 (2013-07-28)
Androgen receptor (AR), a ligand-dependent transcription factor, plays a critical role in prostate cancer onset and progression, and its transcriptional function is mediated largely by distinct nuclear receptor co-regulators. Here, we show that cell cycle and apoptosis regulator 1 (CCAR1)
Cristian Gómez-Canela et al.
Environmental science and pollution research international, 22(2), 1480-1486 (2014-08-29)
The aim of this study is to evaluate the presence of perfluoroalkyl substances (PFASs) in the blood of 46 residents from Barcelona and to study the factors that affect exposure. Compounds analysed included perfluorooctane sulfonate (PFOS), perfluorohexane sulfonate (PFHxS), perfluorobutane
Subhadip Das et al.
Apoptosis : an international journal on programmed cell death, 20(6), 869-882 (2015-04-02)
Very often conventional therapy, i.e. chemotherapeutic treatment, develops resistance in cancer cells and fails to be effective against disease states. An alternative strategy or a new entity may resolve the problem. Interestingly, the microbial world has begun to be explored
Sergio Perez-Diaz et al.
FASEB journal : official publication of the Federation of American Societies for Experimental Biology, 28(8), 3769-3779 (2014-05-09)
Impaired adipogenesis renders an adipose tissue unable to expand, leading to lipotoxicity and conditions such as diabetes and cardiovascular disease. While factors important for adipogenesis have been studied extensively, those that set the limits of adipose tissue expansion remain undetermined.
Changmeng Cai et al.
The Journal of clinical investigation, 123(3), 1109-1122 (2013-02-22)
Fusion of the androgen receptor-regulated (AR-regulated) TMPRSS2 gene with ERG in prostate cancer (PCa) causes androgen-stimulated overexpression of ERG, an ETS transcription factor, but critical downstream effectors of ERG-mediating PCa development remain to be established. Expression of the SOX9 transcription
Dong Ho Suh et al.
Journal of agricultural and food chemistry, 62(34), 8764-8771 (2014-08-08)
Metabolite profiling of red and white pitayas (Hylocereus polyrhizus and Hylocereus undatus) was performed using gas chromatography-time-of-flight-mass spectrometry and ultraperformance liquid chromatography-quadrupole-time-of-flight-mass spectrometry with multivariate analysis. Different species and parts of pitayas (red peel, RP; white peel, WP; red flesh
Annika I Ostermann et al.
Analytical and bioanalytical chemistry, 407(5), 1403-1414 (2014-12-30)
Oxylipins are potent lipid mediators. For the evaluation of their biological roles, several LC-MS based methods have been developed. While these methods are similar, the described sample preparation procedures for the extraction of oxylipins differ considerably. In order to deduce
Libing Wang et al.
Annals of hematology, 93(10), 1685-1694 (2014-05-23)
Acute myeloid leukemia (AML) is generally regarded as a disorder of stem cells, known as leukemic initiating cells (LICs), which initiate the disease and contribute to relapses. Although the phenotype of these cells remains unclear in most patients, they are
Mariana Trujillo et al.
Journal of agricultural and food chemistry, 62(42), 10297-10303 (2014-09-30)
A series of nitroderivatives has been synthesized from hydroxytyrosol, the natural olive oil phenol, to increase the assortment of compounds with putative effects against Parkinson's disease. Nitrohydroxytyrosyl esters were obtained from nitrohydroxytyrosol using a chemoselective one-step, high-yield, transesterification procedure. The
Shayli Varasteh Moradi et al.
Journal of pharmaceutical sciences, 103(10), 3217-3224 (2014-09-02)
Luteinising hormone-releasing hormone (LHRH) analogues have wide therapeutic applications in the treatment of prostate cancers and endocrine disorders. The structure of LHRH was modified using a glycosylation strategy to increase the permeability of the peptide across biological membranes. Lactose, galactose
Isabelle Brunet et al.
The Journal of clinical investigation, 124(7), 3230-3240 (2014-06-18)
Autonomic sympathetic nerves innervate peripheral resistance arteries, thereby regulating vascular tone and controlling blood supply to organs. Despite the fundamental importance of blood flow control, how sympathetic arterial innervation develops remains largely unknown. Here, we identified the axon guidance cue
Daryn Goodwin et al.
Vaccine, 33(12), 1453-1458 (2015-02-14)
Immunocastration using gonadotropin-releasing hormone (GnRH)-based vaccines has been investigated in rams to reduce aggressive and sexual behaviour and to control meat quality. Despite considerable efforts, a practical GnRH vaccine has yet to be developed for rams. In the present study
Roberto Ronca et al.
The Journal of pathology, 230(2), 228-238 (2013-02-21)
Fibroblast growth factors (FGFs) exert autocrine/paracrine functions in prostate cancer by stimulating angiogenesis and tumour growth. Here dihydrotestosterone (DHT) up-regulates FGF2 and FGF8b production in murine TRAMP-C2 prostate cancer cells, activating a FGF-dependent autocrine loop of stimulation. The soluble pattern
Iman Chouikha et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(52), 18709-18714 (2014-12-03)
The arthropod-borne transmission route of Yersinia pestis, the bacterial agent of plague, is a recent evolutionary adaptation. Yersinia pseudotuberculosis, the closely related food-and water-borne enteric species from which Y. pestis diverged less than 6,400 y ago, exhibits significant oral toxicity
Gengshen Song et al.
Journal of pharmaceutical and biomedical analysis, 107, 304-310 (2015-01-31)
A novel quantitative method using high-performance liquid chromatography coupled to electrospray ionization tandem mass spectrometry was developed for simultaneous determination of the 16 important bioactive constituents including nine coumarins, and seven flavonoids in Common cnidium fruit samples from different regions.
Dada Patil et al.
Journal of AOAC International, 97(6), 1497-1502 (2015-01-30)
Asparagus racemosus (AR) is a popular botanical present in several Ayurvedic medicines and nutritional and dietary supplements with immunomodulatory, galactogogue, and anticancer activity. A steroidal saponin known as shatavarin IV is one of the active constituents of AR. A new
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