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Wyniki wyszukiwania dla: PEHX GENE
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Gene set enrichment for reproducible science: comparison of CERNO and eight other algorithms
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Adaptive filtering of microarray gene expression data based on Gaussian mixture decomposition
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Cloning of the thermostable alpha-amylase gene from Pyrococcus woesei in Escherichia coli.
PublikacjaGen kodujący alfa-amylazę z Pyrococcus woesei klonowano do plazmidów pET21d(+)lub pYTB2, którymi transformowano komórki Escherichia coli. Otrzymana rekombinantowa alfa amylaza wykazuje maksymalną aktywność przy pH 5.6 w temperaturze 95 stC i przejawia około 24 % początkowej aktywności nawet po 2 godz. inkubacji w 120 stC. Duża termostabilność otrzymanego preparatu świadczy o jego przydatności do enzymatycznego upłynniania skrobi.
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Relationship between polymorphism in the CRH gene and the traits of body conformation of Salers cows
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Genome-Wide DNA Methylation and Gene Expression in Patients with Indolent Systemic Mastocytosis
PublikacjaMastocytosis is a clinically heterogenous, usually acquired disease of the mast cells with a survival time that depends on the time of onset. It ranges from skin-limited to systemic disease, including indolent and more aggressive variants. The presence of the oncogenic KIT p. D816V gene somatic mutation is a crucial element in the pathogenesis. However, further epigenetic regulation may also affect the expression of genes that...
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Changes in gene methylation patterns in neonatal murine hearts: Implications for the regenerative potential
PublikacjaBackground The neonatal murine heart is able to regenerate after severe injury; this capacity however, quickly diminishes and it is lost within the first week of life. DNA methylation is an epigenetic mechanism which plays a crucial role in development and gene expression regulation. Under investigation here are the changes in DNA methylation and gene expression patterns which accompany the loss of regenerative potential. Results The...
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Justification of quasi-stationary approximation in models of gene expression of a self-regulating protein
PublikacjaWe analyse a model of Hes1 gene transcription and protein synthesis with a negative feedback loop. The effect of multiple binding sites in the Hes1 promoter as well as the dimer formation process are taken into account. We consider three, possibly different, time scales connected with: (i) the process of binding to/dissolving from a binding site, (ii) formation and dissociation of dimers, (iii) production and degradation of Hes1...
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Prognostic Value of TOP2A Gene Amplification and Chromosome 17 Polysomy in Early Breast Cancer
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Cellular and Gene Expression Response to the Combination of Genistein and Kaempferol in the Treatment of Mucopolysaccharidosis Type I
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TGF-β gene polimorphisms as risk factors for asthma control among clinic patients
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TGF-β gene polimorphisms as risk factors for asthma control among clinic patients.
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TGF-β gene polimorphisms as risk factors for asthma control among clinic patients.
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Metabolic Gene Expression in the Muscle and Blood Parameters of Broiler Chickens Stimulated In Ovo with Synbiotics
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Morphogenesis-related gene-expression profile in porcine oocytes before and after in vitro maturation
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The effects of p53 gene inactivation on mutant proteome expression in a human melanoma cell model
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Graphene-encapsulated iron nanoparticles as a non-viral vector for gene delivery into melanoma cells
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Association between uridin diphosphate glucuronosylotranserase 1A1 (UGT1A1) gene polymorphism and neonatal hyperbilirubinemia
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Liver steatosis correlates with iron overload but not with HFE gene mutations in chronic hepatitis C
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Associations of ESR1 and ESR2 gene polymorphisms with metabolic syndrome and its components in postmenopausal women
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Sensitivity, Specificity and Prioritization of Gene Set Analysis When Applying Different Ranking Metrics
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New, fast and cheap prediction tests for BRCA1 gene mutations identification in clinical samples.
PublikacjaDespite significant progress in cancer therapy, cancer is still the second cause of mortality in the world. The necessity to make quick therapeutic decisions forces the development of procedures allowing to obtain a reliable result in a quick and unambiguous manner. Currently, detecting predictive mutations, including BRCA1, is the basis for effectively treating advanced breast cancer. Here, we present new insight on gene mutation...
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Evolving gene regulatory networks controlling foraging strategies of prey and predators in an artificial ecosystem
PublikacjaCo-evolution of predators and prey is an example of an evolutionary arms race, leading in nature to selective pressures in positive feedback. We introduce here an artificial life ecosystem in which such positive feedback can emerge. This ecosystem consists of a 2-dimensional liquid environment and animats controlled by evolving artificial gene regulatory networks encoded in linear genomes. The genes in the genome encode chemical...
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Gene Therapy Approaches to Prevent Corneal Graft Rejection: Where Do We Stand?
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Expression of Deinococcus geothermalis Trehalose Synthase Gene in Escherichia coli and Its Enzymatic Properties
PublikacjaA novel trehalose synthase gene from Deinococcus geothermalis (DSMZ 11300) containing 1,692 bp reading-frame encoding 564 amino acids was amplified using PCR. The gene was ligated into pET30Ek/LIC vector and expressed after isopropyl alfa-D-thiogalactopyranoside induction in Escherichia coli BL21(DE3)pLysS. The recombinant trehalose synthase (DgeoTreS) containing a His6 tag at the C-terminus was purified by metal affinity chromatography...
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Novel method of expression and purification of hirudin based on pBAD TOPO, pTYB12 vectors and gene synthesis
PublikacjaW pracy przedstawiono nową, szybką i tanią metodę otrzymywania, ekspresji i oczyszczania białka hirudyny naturalnie izolowanego z ślinianek pijawki lekarskiej. Hirudyna pełni funkcje bezpośredniego inhibitora trombiny, głównego białka biorącego udział w tworzeniu skrzepów krwi. Właściwości te wykorzystywane są od wielu lat w klinice. Opracowana metoda pozwoliła uzyskać 17 mg/l hodowli E. coli białka o wysokiej czystości i aktywności...
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P-666 Detecting gene variants correlated with MII oocytes developed during ovarian stimulation
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A new potential mode of cardiorenal protection of KLOTHO gene variability in type 1 diabetic adolescents
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Application of PCR-HRM method for microsatellite polymorphism genotyping in the LDHA gene of pigeons (Columba livia)
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Single median maxillary central incisor syndrome and variant in SMO gene associated with SHH pathway
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Antioxidative enzymes and expression of rbcL gene as tools to monitor heavy metal-related stress in plants
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p53 Gene status in relation to ex vivo chemosensitivity of non-small cell lung cancer
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Correlation of Polymorphism of AQP7 Gene with the Sperm Cells Quality Traits of the Polish Holstein Friesian Bulls
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Virulence gene profiles in Staphylococcus aureus isolated from cows with subclinical mastitis in eastern Poland
PublikacjaStaphylococcus aureus is arguably the most important pathogen involved in bovine mastitis. The aim of this study was to determine the virulence gene profiles of 124 Staph. aureus isolates from subclinical mastitis in cows in eastern Poland. The presence of 30 virulence genes encoding adhesins, proteases and superantigenic toxins was investigated by PCR. The 17 different combinations of adhesin genes were identified. Occurrence...
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Characterization of immobilized Escherichia coli cells transformed by β-galactosidase gene from Pyrococcus woesei
PublikacjaThermostable β-galactosidase from Escherichia coli transformant containing theenzyme gene from Pyrococcus woesei was immobilized on alginate gel.The benefits of using whole bacterial cells not only exclude expensive, laborious proteinisolation and purification but also stabilize enzymes by cytosol components. Increase inproductivity of enzyme can be achieved by cells permeabilization. To increase permeability ofcytoplasmic membrane...
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The Relationship between Gene Activity and Nitrous Oxide Production during Nitrification in Activated Sludge Systems
PublikacjaNitrite is an important factor which inhibits the first stage of the nitrification, the effect is stronger with the decrease of the DO concentrations. NO2- presence at concentration above 15 mg N – NO2 in the aeration tanks stimulates N2O production regardless of the DO concentration. The significant nirS gene induction, observed especially during the experiments with the nitrite addition indicates that N2O production is basically...
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NADPH Oxidase Gene Polymorphism is Associated with Mortality and Cardiovascular Events in 7-Year Follow-Up
PublikacjaThe CYBA gene encodes the regulatory subunit of NADPH oxidase, which maintains the redox state within cells and in the blood vessels. That led us to investigate the course of coronary artery disease (CAD) with regards to CYBA polymorphisms. Thus, we recruited 1197 subjects with coronary atherosclerosis and observed them during 7-year follow-up. Three CYBA polymorphisms: c.214C>T (rs4673), c.-932G>A (rs9932581), and c.*24G>A (1049255)...
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Glyceraldehyde - 3 - phosphate dehydrogenase gene from Coprinus atramenta-rius. Accession AJ532581, 2002 GenBank NCBI [on line].**2002 [cytowany 07.01.03]. Dostępny: http://www.ncbi.nlm.nih.gov Sekwencja genu kodujacego dehydrogenazę aldehydu - 3 - fosfoglicerynowego dla czernidłaka pospolitego (Coprinus atramentarius).
PublikacjaPo raz pierwszy ustalono sekwencję nukleotydową fragmentu genu gpd (dehydro-genazy aldehydu - 3 - fosfoglicerynowego)dla gatunku Coprinus atramentarius,pozwoli to na zaprojektowanie pary starterów umożliwiających wykrywaniegrzybów tego gatunku za pomocą reakcji PCR.
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Seasonality of Psoriasis: From Genes to the Clinical Phenomena
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Clinical and Biological Significance of ESR1 Gene Alteration and Estrogen Receptors Isoforms Expression in Breast Cancer Patients
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Gene and Protein Accumulation Changes Evoked in Porcine Aorta in Response to Feeding with Two Various Fructan Sources
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Up-regulation of ferritin ubiquitination in skeletal muscle of transgenic rats bearing the G93A hmSOD1 gene mutation
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Selected mice models based on APP, MAPT and presenilin gene mutations in research on the pathogenesis of Alzheimer’s disease
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Comparative Analysis of MicroRNA-Target Gene Interaction Prediction Algorithms Based on Integrated P-Value Calculation
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Comprehensive Analysis of MILE Gene Expression Data Set Advances Discovery of Leukaemia Type and Subtype Biomarkers
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Comparative Analysis of microRNA-Target Gene Interaction Prediction Algorithms - The Attempt to Compare the Results of Three Algorithms
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A dependency between PRL gene polymorphism and breeding parameters in Polish Black-and-White Holstein-Friesian cows
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A novel method of Mycobacterium tuberculosis complex strain differentiation using polymorphic GC-rich gene sequences.
PublikacjaTuberculosis is one of the leading infectious diseases. In this work, a new genotyping method of Mycobacterium tuberculosis (Mtb) complex strain is presented. 27 Mtb genomes were analyzed for the presence of length polymorphism within polymorphic GC-rich gene sequences. Four genes, Rv3345c, Rv3507, Rv0747 and Rv3511, showing variation in length depending on the Mtb strain were selected for designing primer sequences flanking variable...
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A new cold-active β-galactosidase from Arthrobacter sp. S3* - gene cloning, overexpression, purification and properties
PublikacjaA psychrotrophic bacterium producing a cold-active β-galactosidase was isolated from Spitsbergen soil and classified as Arthrobacter sp. S3*. The gene encoding β-galactosidase was isolated from the genomic DNA library, sequenced, cloned, expressed in Escherichia coli, purified by ion exchange chromatography and characterized. The Arthrobaster sp. S3* β-galactosidase is a homotrimeric enzyme composed of 74,4 kDa subunits. It is...
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Hydrolytic and transgalactosylation activities of immobilized Escherichia coli cells transformed by β-galactosidase gene from Pyrococcus woesei
PublikacjaPrzedstawiono wyniki badań dotyczących skuteczności transformacji laktozy katalizowanej immobilizowanymi w żelu alginianowym rekombinantowymi komórkami Escherichia coli, transformowanymi genem b-galaktozydazy z Pyrococcus woesei. Wykazano, że aktywność hydrolityczna rekombinantowych komórek wzrasta o 35% po permeabilizacji w środowisku 40% etanolu. Optymalna temperatura i pH katalizowanej reakcji wynosiły odpowiednio 98C i 5,4....
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A novel cold-active beta-D-galactosidase from the Paracoccus sp. 32d - gene cloning, purification and characterization
PublikacjaBeta-D-galactosidase (EC 3.2.1.23) catalyze the hydrolysis of terminal non-reducing beta-D-galactose residues in beta-D-galactosides. Cold-active beta-D-galactosidases have recently become a focus of attention of researchers and dairy product manufactures owing to theirs ability to: (I) eliminate of lactose from refrigerated milk for people afflicted with lactose intolerance, (II) convert lactose to glucose and galactose which...