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Wyniki wyszukiwania dla: HUMAN AORTIC BIOPROSTHESIS
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MicroRNA expression profile analysis in human skeletal muscle tissue: Selection of critical reference
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PELP1 and SRC kinase as important molecules in the estrogen-mediated pathway in human testis and epididymis
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Wavelet transform analysis to assess oscillations in pial artery pulsation at the human cardiac frequency
PublikacjaPial artery adjustments to changes in blood pressure (BP)may last only seconds in humans. Using a novelmethod called near-infrared transillumination backscattering sounding (NIR-T/BSS) that allows for the non-invasive measurement of pial artery pulsation (cc-TQ) in humans, we aimed to assess the relationship between spontaneous oscillations in BP and cc-TQ at frequencies between 0.5 Hz and 5 Hz. We hypothesized that analysis of...
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Human UDP-Glucuronosyltransferases: Effects of altered expression in breast and pancreatic cancer cell lines.
PublikacjaIncreased aerobic glycolysis and de novo lipid biosynthesis are common characteristics of invasive cancers. UDP-glucuronosyltransferases (UGTs) are phase II drug metabolizing enzymes that in normal cells possess the ability to glucuronidate these lipids and speed their excretion; however, de-regulation of these enzymes in cancer cells can lead to an accumulation of bioactive lipids, which further fuels cancer progression. We hypothesize...
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Response of a New Low-Coherence Fabry-Perot Sensor to Hematocrit Levels in Human Blood
PublikacjaIn this paper, a low-coherence Fabry-Perot sensor with a spectrally measured signal processing response to the refractive index of liquids is presented. Optical fiber sensors are potentially capable of continuous measuring hematocrit levels in blood. Low-coherence Fabry-Perot interferometric sensors offer a robust solution, where information about the measurand is encoded in the full spectrum of light reflected from the sensing...
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Metabolic transformations of antitumor imidazoacridinone, C-1311, with microsomal fractions of rat and human liver
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Local anaesthetics upregulate nitric oxide generation in cord blood and adult human neutrophils
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MIC1-MAG1-SAG1 chimeric protein, a most effective antigen for detection of human toxoplasmosis
PublikacjaThis study describes a Toxoplasma gondii IgG ELISA test based on a new chimeric antigen containing three immunodominant regions from MIC1, MAG1 and SAG1 proteins of a parasite and shows that this test is useful for diagnostic purposes and may replace the lysed and whole-cell antigens.
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Human factor and functional Safety analysis = Czynniki ludzkie i analiza bezpieczeństwa funkcjonalnego
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Effect of Maximal Breath Hold Apnea on Pial Artery Pulsation and Subarachnoid Width in Human
PublikacjaLittle is known about intracranial pressure (ICP)-cerebral hemodynamic interplay during maximal breath-hold apnea. A recently developed method based on near-infrared transillumination/backscattering sounding (NIR-T/BSS) noninvasively measures changes in pial artery pulsation (cc-TQ) as well as subarachnoid width (sas-TQ) in humans. Changes in sas-TQ correlate with ICP to a considerable extent, whereas cc-TQ reflects the functional...
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Pre-analytical aspects in metabolomics of human biofluids – sample collection, handling, transport, and storage
PublikacjaMetabolomics is the field of omics research that offers valuable insights into the complex composition of biological samples. It has found wide application in clinical diagnostics, disease investigation, therapy prediction, monitoring of treatment efficiency, drug discovery, or in-depth analysis of sample composition. A suitable study design constitutes the fundamental requirements to ensure robust and reliable results from the...
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Immunophenotyping and transcriptional profiling of in vitro cultured human adipose tissue derived stem cells
PublikacjaAdipose-derived stem cells (ASCs) have become an important research model in regenerative medicine. However, there are controversies regarding the impact of prolonged cell culture on the ASCs phenotype and their differentiation potential. Hence, we studied 10 clinical ASCs replicates from plastic and oncological surgery patients, in six-passage FBS supplemented cultures. We quantified basic mesenchymal cell surface marker transcripts...
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Design, synthesis and high antitumor potential of new unsymmetrical bisacridine derivatives towards human solid tumors, specifically pancreatic cancers and their unique ability to stabilize DNA G-quadruplexes
PublikacjaNew promising unsymmetrical bisacridine derivatives (UAs), have been developed. Three groupsincluding 36 compounds were synthesized by the condensation of 4-nitro or 4-methylacridinone, imi-dazoacridinone and triazoloacridinone derivatives with 1-nitroacridine compounds linked with anaminoalkyl chain. Cytotoxicity screening revealed the high potency of these compounds against severaltumor cell lines. Particularly, imidazoacridinone-1-nitroacridine...
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PARP inhibition potentiates the cytotoxic activity of C-1305, a selective inhibitor of topoisomerase II, in human BRCA1-positive breast cancer cells
PublikacjaTwo cellular proteins encoded by the breast and ovarian cancer type 1 susceptibility (BRCA1 and BRCA2) tumor suppressor genes are essential for DNA integrity and the maintenance of genomic stability.Approximately 5-10% of breast and ovarian cancers result from inherited alterations or mutations in these genes.Remarkably, BRCA1/BRCA2-deficient cells are hypersensitive to selective inhibition of poly(ADPribose) polymerase 1 (PARP-1),...
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Discriminating macromolecular interactions based on an impedimetric fingerprint supported by multivariate data analysis for rapid and label-free Escherichia coli recognition in human urine
PublikacjaThis manuscript presents a novel approach to address the challenges of electrode fouling and highly complex electrode nanoarchitecture, which are primary concerns for biosensors operating in real environments. The proposed approach utilizes multiparametric impedance discriminant analysis (MIDA) to obtain a fingerprint of the macromolecular interactions on flat glassy carbon surfaces, achieved through self-organized, drop-cast,...
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A new dilution-enrichment sample preparation strategy for expanded metabolome monitoring of human breast milk that overcomes the simultaneous presence of low- and high-abundance lipid species
PublikacjaThe complex nature of human breast milk (HBM) makes samples difficult to analyze, requiring several extraction techniques and analytical platforms to obtain high metabolome coverage. In this work, we combined liquid-liquid extraction (LLE) and solid-phase extraction (SPE) techniques to prepare HBM samples to overcome the challenge of low- and high-abundance lipid species, enabling the semiquantitative analysis of total HBM lipids...
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Igor Garnik dr inż.
OsobyJest absolwentem Wydziału Elektroniki Politechniki Gdańskiej (1992). Z Politechniką Gdańską związany zawodowo od 1997 roku – zatrudniony najpierw jako asystent w Zakładzie Ergonomii i Eksploatacji Systemów Technicznych na Wydziale Zarządzania i Ekonomii, a następnie – po uzyskaniu stopnia doktora w 2006 roku jako adiunkt. W latach 2009–2015 pełnił funkcję koordynatora Bałtyckiego Festiwalu Nauki na Wydziale Zarządzania i Ekonomii....
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Similarities and differences in affinity and binding modes of tricyclic pyrimido- and pyrazinoxanthines at human and rat adenosine receptors
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Human Health Risk Assessment on the Consumption of Apples Growing in Urbanized Areas: Case of Kharkiv, Ukraine
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Inhibition of HIV‐1 or bacterial activation of macrophages by products of HIV‐1‐resistant human cells
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Carboxymethylated starch and cellulose derivatives-based film as human skin equivalent for adhesive properties testing
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Environmental Phage-Based Cocktail and Antibiotic Combination Effects onAcinetobacter baumanniiBiofilm in a Human Urine Model
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Irreversible alterations in the hemoglobin structure affect oxygen binding in human packed red blood cells
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Temporal sequence of the human RBCs' vesiculation observed in nano-scale with application of AFM and complementary techniques
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Human sperm proteins identified by 2-dimensional electrophoresis and mass spectrometry and their relevance to a transcriptomic analysis
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An inter-laboratory validation of methods of lipid peroxidation measurement in UVA-treated human plasma samples
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Using Flavonoid Substitution Status to Predict Anticancer Effects in Human Melanoma Cancers: An In Vitro Study
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Assessing the Interactions of Statins with Human Adenylate Kinase Isoenzyme 1: Fluorescence and Enzyme Kinetic Studies
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Human–environment interactions in medieval Poland: a perspective from the analysis of faunal stable isotope ratios
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Derivatives of 1-nitroacridine induce apoptosis only in a limited number of human colon adenocarcinoma cells
PublikacjaPraca dotyczy indukcji apoptozy w komórkach ludzkich raków okrężnicy HT29 i HCT8 pod wpływem pochodnych 1-nitroakrydyny: C-857 i C-1748. Wykazano, że związki te w stężeniach biologicznie istotnych (EC90) indukują apoptozę tylko w części populacji komórek. Efekt ten uzależniony był od czasu inkubacji komórek ze związkiem, a nie zależał od stężenia związku.
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Biochemical properties of thyroid peroxidase (TPO) expressed in human breast and mammary-derived cell lines
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To donate or not to donate? Future healthcare professionals’ opinions on biobanking of human biological material for research purposes
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ABC transporters Cdr1p, Cdr2p and Cdr3p of a human pathogen Candida albicans are general phospholipid translocators
PublikacjaFluoryzujące analogi fosfolipidów NBD-PE, NBD-PC i NBD-PS zostały wykorzystane w celu wykazania, że białko Cdr1p i jego inne homologi, Cdr2p i Cdr3p, należące do grupy białek zawierających tzw. kasetę wiążącą ATP (ABC), zachowują się jak ogólne przenośniki lipidów. Wyniki badań pokazują, że transportery typu ABC występujące w C. albicans są przenośnikami fosfolipidów i aktywność ta może być jedna z fizjologicznych funkcji białek.
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Haloperidol, but not olanzapine, may affect expression of PER1 and CRY1 genes in human glioblastoma cell line
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Sulforaphane, a cruciferous vegetable-derived isothiocyanate, inhibits protein synthesis in human prostate cancer cells
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Nonlinear dynamic analysis of the pure “buckling” mechanism during blow-out trauma of the human orbit
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Bulky DNA adducts in human sperm: relationship with fertility, semen quality, smoking, and environmental factors
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Human and Methodological Sources of Variability in the Measurement of Urinary 8-Oxo-7,8-dihydro-2′-deoxyguanosine
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Establishing the background level of base oxidation in human lymphocyte DNA: results of an interlaboratory validation study
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Human bone marrow as a tissue in post-mortem identification and determination of psychoactive Substances—Screening methodology
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Ochratoxin A, deoxynivalenol, T-2 and HT-2 toxins – occurrence in food and their effect on the human body
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Missing the sweet spot: one of the two N-glycans on human Gb3/CD77 synthase is expendable
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Experimental immunology First report of cylindrospermopsin effect on human peripheral blood lymphocytes proliferation in vitro
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<p>Nanomechanics and Histopathology as Diagnostic Tools to Characterize Freshly Removed Human Brain Tumors</p>
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Novel markers of human ovarian granulosa cell differentiation toward osteoblast lineage: A microarray approach
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Comparison of Fluoride Ion-Selective Electrode Based Potentiometric Methods of Fluoride Determination in Human Urine
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Hierarchical influence diagrams for incorporating human and organizational factors in risk assessment of hazardous industrial systems
PublikacjaArtykuł dotyczy podstawowych zagadnień związanych z czynnikami organizacyjnymi i ludzkim w analizie ryzyka złożonych systemów przemysłowych. Analizuje się podobieństwa i różnice pomiędzy hierarchicznymi diagramami wpływu i hierarchicznym procesem analizy decyzyjnej i na tej podstawie proponuje się uogólnione podejście do rozważanej analizy decyzyjnej uwzględniające dane rozmyte.
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Imidazoacridinone C-1311 induces both autophagy and senescence in human lung cancer A549 cells
PublikacjaNiedrobnokomórkowy rak płuc (ang. NSCLC, non-small cell lung cancer), stanowiący blisko 80-87% wszystkich przypadków, jest najczęściej występującą formą raka płuc. Skuteczność dotychczas stosowanych chemoterapeutyków w stosunku do tej formy raka jest bardzo ograniczona dlatego poszukuje się nowych związków o lepszych właściwościach leczniczych. Imidazoakrydon C-1311 wykazuje wysoką aktywność cytotoksyczną wobec komórek niedrobnokomórkowego...
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Effects of flavonoids on expression of genes involved in cell cycle regulation and DNA replication in human fibroblasts
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Molecular dynamics simulation of human neurohypophyseal hormone receptors complexed with oxytocin—modeling of an activated state
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