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Wyniki wyszukiwania dla: REPORTER GENE
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The Effect of Long Term Service at Elevated Temperatures on Microstructure Degradation of Austenitic Reformer Tubes
PublikacjaThe paper analyses the relationship between an increase of the inner diameter of tubes made of Manaurite XM cast steel and transformations occurring in their microstructure due to long-lasting operation in methane reformer. Examinations included metallographic analysis with light microscope (LM), scanning electron microscope (SEM) and microanalysis of the chemical composition of precipitates (EDX). It was indicated that there is...
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Examination of cyp51A and cyp51B expression level of the first Polish azole resistant clinical Aspergillus fumigatus isolate
PublikacjaAspergillus fumigatus is one of the most prevalent airborne fungal pathogens causing infections worldwide. Most A. fumigatus strains are susceptible to azoles, which are administered as the first line therapeutics. However, during last decade the acquired resistance to triazoles by these species has been described. There is a number of publications concerning the examination of clinical A. fumigatus strains from different countries,...
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The role of epigenetics in regeneration
PublikacjaComplex changes in chromatin structure and at the transcriptional level occur from the creation of a single parental gamete throughout fertilization, embryo development and the life of an adult organism. Epigenetic changes, such as methylation and hydroxymethylation of DNA or histone methylation and acetylation, are an important part of these processes. Epigenetic regulation has an essential influence on gene expression level. DNA...
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Molecular Strategy for Survival at a Critical High Temperature in Eschierichia coli
PublikacjaThe molecular mechanism supporting survival at a critical high temperature (CHT) in Escherichia coli was investigated. Genome-wide screening with a single-gene knockout library provided a list of genes indispensable for growth at 47°C, called thermotolerant genes. Genes for which expression was affected by exposure to CHT were identified by DNA chip analysis. Unexpectedly, the former contents did not overlap with the latter except...
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Plasmids pMET2M1 and pMET15M1 with the SAT1 Flipper knockout cassette construction
Dane BadawczeThe goal of the study was to obtain plasmids containing the SAT1 Flipper knockout cassette along with upstream and downstream gene fragments (MET2, MET15) and to introduce a cleavage site for restriction enzymes into them.
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Diffuse axonal injury – an interdisciplinary problem. Current knowledge and two case reports
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Allelic length of a CA dinucleotide repeat in theegfr gene correlates with the frequency of amplifications of this sequence—first results of an inter-ethnic breast cancer study
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New Gene Markers for Metabolic Processes and Homeostasis in Porcine Buccal Pouch Mucosa during Cells Long Term-Cultivation—A Primary Culture Approach
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Mosaic Structure of p1658/97, a 125-Kilobase Plasmid Harboring an Active Amplicon with the Extended-Spectrum β-Lactamase Gene bla SHV-5
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Abscisic Acid Regulates the 3-Hydroxy-3-methylglutaryl CoA Reductase Gene Promoter and Ginsenoside Production in Panax quinquefolium Hairy Root Cultures
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Relationship between Telomere Length, TERT Genetic Variability and TERT, TP53, SP1, MYC Gene Co-Expression in the Clinicopathological Profile of Breast Cancer
PublikacjaThe molecular mechanisms of telomerase reverse transcriptase (TERT) upregulation in breast cancer (BC) are complex. We compared genetic variability within TERT and telomere length with the clinical data of patients with BC. Additionally, we assessed the expression of the TERT, MYC, TP53 and SP1 genes in BC patients and in BC organoids (3D cell cultures obtained from breast cancer tissues). We observed the same correlation in the...
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Phosphorylation‐mediated regulation of heat shock response in Escherichia coli
PublikacjaEscherichia coli has two heat shock regulons under the transcriptional control of Esigma(32) and Esigma(E) RNA polymerases. These polymerases control the expression of genes, the products of which are needed for correct folding of proteins in the cytoplasm and the extracytoplasm respectively. In this study, we report that mutations in a tyrosine phosphatase-encoding gene led to decreased activity of these heat shock regulons. The...
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Phytoecdysteroid containing plants – a source of bioactive compounds with potential anticarcinogenic effects
PublikacjaEcdysteroids are a group of steroids synthesized in inver- tebrates as molting hormones and also in some plants as secondary metabolites acting as a defense against parasites. These compounds do not naturally occur in mammals and are not structurally related to mammalian steroid hor- mones, consequently do not activate mammalian hormone receptors. Ecdysteroids exhibit very low toxicity to mam- mals and to date no serious side effects...
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Selection of reliable reference genes in eutopic and ectopic endometrium for quantitative expression studies
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Differential Expression of HIF1A, EPAS1, and VEGF Genes in Benign and Malignant Ovarian Neoplasia
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Significant Down-Regulation of “Biological Adhesion” Genes in Porcine Oocytes after IVM
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Genes regulating programmed cell death are significantly upregulated in porcine immature oocytes
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Correlation between chosen polymorphisms in genes coding 5HTT, 5HT2A and COMT with obesity.
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Altered circadian genes expression in breast cancer tissue according to the clinical characteristics
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Polymorphisms in nucleotide excision repair genes and susceptibility to colorectal cancer in the Polish population
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Erratum to: Activities of genes controlling sphingolipid metabolism in human fibroblasts treated with flavonoids
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The methylation of a panel of genes differentiates low-grade from high-grade gliomas
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Transcriptional activity of epigenetic remodeling genes declines in keratinocytes after in vitro expansion
PublikacjaPURPOSE: In vitro expansion is an invaluable method to obtain keratinocytes in amounts necessary for effective transplantation therapies. In vitro cell culturing provokes questions concerning potential epigenetic alterations occurring in expanded cells in the context of usefulness for transplantation and safety. The purpose of this study was to investigate as to whether keratinocyte expansion is associated with changes in the activity...
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A concept of Signal Equalization Method Based on Music Genre and the Listener's Room Characteristics
PublikacjaA research study that investigates the influence of the room acoustics environment on the frequency characteristic of the audio signal playback is presented. First, a novel spectral equalization method of the room acoustic conditions is introduced. On the basis of the frequency response of the room, a system for room acoustics compensation based on eight-band equalizer is proposed. The system settings depend on music genre. In...
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Agata Kot-Wasik prof. dr hab. inż.
OsobyAgata Kot-Wasik, urodzona w 1964 r. w Siedlcach (woj. mazowieckie), ukończyła studia magisterskie w 1988 r. na Wydziale Chemicznym Politechniki Gdańskiej, w specjalności Analityka Techniczna i Przemysłowa. W latach 1988–1992 była zatrudniona w Katedrze Chemii Organicznej na macierzystym wydziale na stanowisku naukowo-technicznym. W 1990 r. ukończyła na PG studia podyplomowe „Techniki Instrumentalne w Analizie Śladów i Ochronie...
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Novel Tools for Comprehensive Functional Analysis of LDLR (Low-Density Lipoprotein Receptor) Variants
PublikacjaFamilial hypercholesterolemia (FH) is an autosomal-dominant disorder caused mainly by substitutions in the low-density lipoprotein receptor (LDLR) gene, leading to an increased risk of premature cardiovascular diseases. Tremendous advances in sequencing techniques have resulted in the discovery of more than 3000 variants of the LDLR gene, but not all of them are clinically relevant. Therefore, functional studies of selected variants...
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Identification and cloning of C. albicans SC5314 genes encoding L-methionine biosynthetic pathway enzymes.
Dane BadawczeEnzymes of fungal L-methionine biosynthetic pathway: homoserine O-acetyltransferase (Met2p), O-acetylhomoserine sulfhydrylase (Met15p) and cystathionine-γ-synthase (Str2p) could be exploited as molecular targets for antifungal chemotherapy. The goal of the study was to identify and clone genes encoding mentioned above enzymes. MET2, MET15 and STR2 genes...
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Nonfatal and fatal intoxications with pure caffeine – report of three different cases
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CMS Physics Technical Design Report, Volume II: Physics Performance
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Theophylline Therapy for Near-Fatal Cheyne–Stokes Respiration: A Case Report
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Acute renal failure due to leptospirosis. Diagnostic challenges – a case report
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Medication-Related Osteonecrosis of the Mandible Treated with Marginal Resection: A Case Report
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Imaginary love stories related to substance use disorder: A case report
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Micronutrient deficiency with skin and systemic symptoms: a case report of acrodermatitis enteropathica
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Designate of CTOD for WM and HAZ, report no: WOiO/II/122/2014
PublikacjaTypical (normative) testing of materials and/or welded joints do not answer on all questions about material or welded joint properties. In ship building and off-shore sectors, many strucures requires materials and joint with higher than typical fatigue resistance. Imact tests, which are carried out during welding technology qualification, gives answer about ductility, CTOD tests results about material or welded joint ability to...
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Determination of 3,4-methylenedioxy-α-pyrrolidinobutiophenone (MDPB) in blood. A case report
PublikacjaSynthetic drugs, known as ‘‘legal highs’’, are still very popular on black market. The determination of their composition are required in courts of law and also to understand what potential users may be subjected to. The interest of new cathinones, e.g. MDPBP, is in view of psychoactive effects that they cause and that, in many cases, they are not controlled by law. The case outlined here concerns 19 years-old man, who was found...
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Effect of long term service at elevated temperatures on mechanical properties of Manaurite XM reformer tubes
PublikacjaMicrostructure transformations occur in the Manaurite XM cast steel tubes during long-term operation in the reformer furnace were revealed and described. The rela tionship between mechanical properties, an increase of internal diameter of the tube and microstructure degradation is discussed. Static tensile test was performed on two types of samples with different shapes. It has been shown differences in the results of tests...
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New Gene Markers Expressed in Porcine Oviductal Epithelial Cells Cultured Primary In Vitro Are Involved in Ontological Groups Representing Physiological Processes of Porcine Oocytes
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Glyceraldehyde - 3 - phosphate dehydrogenase gen from Amanita citrina. Ac-cession AJ532582, 2002 GenBank NCBI [on line].**2002 [cytowany 07.01.03]. Dostępny: http://www.ncbi.nml.nih.gov Sekwencja genu kodującego dehydrogenzę aldehydu - 3 - fsfoglicerynowego dla muchomora cytrynowego (Amanita citrina).
PublikacjaPo raz pierwszy ustalono sekwencję nukleotydową fragmentu genu gpd (dehydro-genazy aldehydu - 3 - fosfoglicerynowego) dla muchomora cytrynowego (Amanitacitrina), pozwoli to na ustalenie sekwencji starterów umożliwiających wykry-wanie grzybów tego gatunku za pomocą techniki PCR.
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Tetracycline and ampicillin resistance of Escherichia coli strains of surface water origin: the potential for horizontal transfer of resistance genes = Oporność na tetracyklinę i ampicylinę szczepów Escherichia Coli wyizolowanych z wody powierzchniowej : możliwość horyzontalnego przenoszenia genów oporności
PublikacjaThe aim of this preliminary study was to assess the occurrence and molecular diversity of tetracycline and ampicillin resistance genes carried by Escherichia coli present in surface water. Bacterial strains were isolated from two watercourses (the Reda River and the Oliwski Stream) that influence the quality of coastal waters in the Gdańsk Bay (Northern Poland) by direct discharge. The bacterial drug susceptibility, tested against...
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A & A Practice
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Regarding the “Is Surgery an Inevitable Treatment for Advanced Salivary Lymphoepithelial Carcinoma? Three Case Reports”
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DNA Methylation Changes Induced by Redox-Active Compounds—Choosing the Right PCR-Based Method
PublikacjaThe impact of catechins on the expression profile of redox-related genes in HT29 cell line has been studied recently by our group using Oxidative Stress RT2 Profiler PCR Array. Within the examined panel of 84 genes, the down-regulation of SRXN1 gene was unique among other up-regulated genes. We hypothesized that the observed down-regulation resulted from DNA methylation and have exploited this observation to choose the proper strategy...
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Communication Reports
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BMB Reports
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Reports on Philosophy
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