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Search results for: TRICHOBLASTIC TUMOUR
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Combined anticancer therapy with imidazoacridinone analogue C‐1305 and paclitaxel in human lung and colon cancer xenografts—Modulation of tumour angiogenesis
PublicationThe acridanone derivative 5-dimethylaminopropylamino- 8- hydroxytriazoloacridinone (C-1305) has been described as a potent inhibitor of cancer cell growth. Its mechanism of action in in vitro conditions was attributed, among others, to its ability to bind and stabilize the microtubule network and subsequently exhibit its tumour- suppressive effects in synergy with paclitaxel (PTX). Therefore, the objective of the present study...
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Adoptive Cell Therapy—Harnessing Antigen-Specific T Cells to Target Solid Tumours
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Overcome the tumor immunotherapy resistance by combination of the HDAC6 inhibitors with antitumor Immunomodulatory agents.
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Total DNA methylation as a biomarker of DNA damage and tumor malignancy in intracranial meningiomas
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Stromal expression of ALDH1 in human breast carcinomas indicates reduced tumor progression
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Regarding the concurrent presence of secretory carcinoma and Warthin’s tumor in the ipsilateral parotid gland
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Comparison of Selected Neural Network Models Used for Automatic Liver Tumor Segmentation
PublicationAutomatic and accurate segmentation of liver tumors is crucial for the diagnosis and treatment of hepatocellular carcinoma or metastases. However, the task remains challenging due to imprecise boundaries and significant variations in the shape, size, and location of tumors. The present study focuses on tumor segmentation as a more critical aspect from a medical perspective, compared to liver parenchyma segmentation, which is the...
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Comparison of the ability to induce apoptosis by acridine derivatives in solid tumor and leukemia cells
PublicationW pracy wykazano różną wrażliwość komórek nowotworowych do ulegania apoptozie pod wpływem pochodnych akrydyny.
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Evaluation of survivin splice variants in pituitary tumors
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Studies in American Humor
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Medicine and Health-Kuala Lumpur
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Effect of COVID-19 pandemic lockdowns on planned cancer surgery for 15 tumour types in 61 countries: an international, prospective, cohort study
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A Novel Divisive iK-Means Algorithm with Region-Driven Feature Selection as a Tool for Automated Detection of Tumour Heterogeneity in MALDI IMS Experiments
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Expression of pendrin and NIS iodide transporters in human breast tumor and peri-tumoral tissue
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Detection of circulating tumor cells by means of machine learning using Smart-Seq2 sequencing
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Metabolomic approach for determination of urinary nucleosides as potential tumor markers using electromigration techniques
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Coordinated reprogramming of renal cancer transcriptome, metabolome and secretome associates with immune tumor infiltration
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MiMSeg - an algorithm for automated detection of tumor tissue on NMR apparent diffusion coefficient maps.
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Carbon nanotube based dielectric spectroscopy of tumor secretion; electrochemical lipidomics for cancer diagnosis
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Detection of circulating tumor cells by means of machine learning using Smart-Seq2 sequencing
PublicationCirculating tumor cells (CTCs) are tumor cells that separate from the solid tumor and enter the bloodstream, which can cause metastasis. Detection and enumeration of CTCs show promising potential as a predictor for prognosis in cancer patients. Furthermore, single-cells sequencing is a technique that provides genetic information from individual cells and allows to classify them precisely and reliably. Sequencing data typically...
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Enhancing Renal Tumor Detection: Leveraging Artificial Neural Networks in Computed Tomography Analysis
PublicationRenal cell carcinoma is one of the most common cancers in Europe, with a total incidence rate of 18.4 cases per 100 000 population. There is currently significant overdiagnosis (11% to 30.9%) at times of planned surgery based on radiological studies. The purpose of this study was to create an artificial neural network (ANN) solution based on computed tomography (CT) images as an additional tool to improve the differentiation of...
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Strategies for overcoming ABC-transporters-mediated multidrug resistance (MDR) of tumor cells. Review
PublicationOporność wielolekowa (MDR) nowotworów jest główną przyczyną niepowodzeń w chemoterapii przeciwnowotworowej. Jest ona wynikiem nadprodukcji w komórkach opornych transporterów białkowych z nadrodziny ABC, eksportujących cytostatyk z komórki, których działanie uniemożliwia utrzymanie terapeutycznego stężenia leku. W publikacji dokonano przeglądu różnych strategii przeciwdziałania zjawisku MDR. Strategie te dotyczą zarówno kontroli...
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Interstrand crosslinking of DNA in tumor and fibroblast cells by C-1311 (Symadex) and other imidazoacridinones
PublicationImidazoakrydony, w tym pochodna C-1311 znajdująca się w pierwszej fazie badań klinicznych prowadzonych przez firmę Xanthus Life Sciences, należą do grupy bardzo aktywnych związków przeciwnowotworowych zsyntetyzowanych w Katedrze Technologii Leków i Biochemii PG. Za pomocą zmodyfikowanej metody Parsons'a wykazaliśmy, że C-1311 indukuje w sposób zależny od stężenia międzyłańcuchowe wiązania sieciujące w komórkach różnych nowotworów...
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Metastasis of the testicular germ cell tumors to the parotid gland
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Flavin monooxygenases, FMO1 and FMO3, not cytochrome p450 isoenzymes, contribute to metabolism of anti-tumour triazoloacridinone, C-1305, in liver microsomes and HepG2 cells.
PublicationCelem pracy było określenie roli wybranych enzymów frakcji mikrosomalnej komórek wątroby w metabolizmie pochodnej triazoloakrydonu, związku C-1305. Wykazano, że badana pochodna ulega transformacji wobec frakcji enzymów izolowanych z hepatocytów szczurzych i ludzkich oraz jest metabolizowana przez komórki linii HepG2. Badania wykazały ponadto, że enzymami odpowiedzialnymi za obserwowane przemiany były monooksygenazy flawinowe, FMO1...
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Gran Tour
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The Degree of Global DNA Hypomethylation in Peripheral Blood Correlates with That in Matched Tumor Tissues in Several Neoplasia
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The Stability of 4‐Chloromethcathinone in Blood and Vitreous Humor
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Immunoscore, circulating tumor cells and human-derived organoids as potential predictive tools in personalized cancer medicine
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CGB and GNRH1 expression analysis as a method of tumor cells metastatic spread detection in patients with gynecological malignances
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Nicotinamide phosphorybosiltransferase overexpression in thyroid malignancies and its correlation with tumor stage and with survivin/survivin DEx3 expression
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Novel electrogravimetric biosensors for the ultrasensitive detection of plasma matrix metalloproteinase-2 considered a potential tumor biomarker
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Metabolic Profiles of New Unsymmetrical Bisacridine Antitumor Agents in Electrochemical and Enzymatic Noncellular Systems and in Tumor Cells
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Circulating Tumor Cells as a Marker of Disseminated Disease in Patients with Newly Diagnosed High-Risk Prostate Cancer
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Stable nanoconjugates of transferrin with alloyed quaternary nanocrystals Ag–In–Zn–S as a biological entity for tumor recognition
PublicationOne way to limit the negative effects of anti-tumor drugs on healthy cells is targeted therapy employing functionalized drug carriers. Here we present a biocompatible and stable nanoconjugate of transferrin anchored to Ag-In-Zn-S quantum dots modified with 11-mercaptoundecanoic acid (Tf-QD) as a drug carrier versus typical anticancer drug, doxorubicin. Detailed investigations of Tf-QD nanoconjugates without and with doxorubicin...
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99mTc-Galacto-RGD2: A Novel 99mTc-Labeled Cyclic RGD Peptide Dimer Useful for Tumor Imaging
PublicationThis study sought to evaluate [99mTc(HYNIC-Galacto-RGD2)-(tricine)(TPPTS)] (99mTc-Galacto-RGD2: HYNIC = 6-hydrazinonicotinyl; Galacto-RGD2 = Glu[cyclo[Arg-Gly-Asp-D-Phe-Lys(SAA-PEG2-(1,2,3-triazole)-1-yl-4-ethylamide)]]2 (SAA = 7-amino-L-glycero-L-galacto-2,6-anhydro-7-eoxyheptanamide, and PEG2 = 3,6-dioxaoctanoic acid); and TPPTS = trisodium triphenylphosphine-3,3',3''-trisulfonate) as a new radiotracer for tumor imaging. Galacto-RGD2...
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Metabolic Profiles of New Unsymmetrical Bisacridine Antitumor Agents in Electrochemical and Enzymatic Noncellular Systems and in Tumor Cells
PublicationNew unsymmetrical bisacridines (UAs) demonstrated high activity not only against a set of tumor cell lines but also against human tumor xenografts in nude mice. Representative UA compounds, named C-2028, C-2045 and C-2053, were characterized in respect to their physicochemical properties and the following studies aimed to elucidate the role of metabolic transformations in UAs action. We demonstrated with phase I and phase II enzymes...
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The ability to overcome multidrug resistance of tumor cell lines by novel acridine cytostatics with condensed heterocyclic rings
PublicationZbadano aktywność cytotoksyczną, in vitzo dwóch nowych grup cytostatyków akrydynowych zawierających skondensowane pierścienie heterocykliczne w stosunku do komórek nowotworowych linii wrażliwych i opornych. Otrzymane wyniki potwierdziły naszą wcześniejszą hipotezę o istotnej roli pierścieni hetero-cyklicznych w pokonywaniu krzyżowej oporności wielolekowej.
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Thalia: Studies in Literary Humor
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TUMORI
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Bariatric surgery and incidental gastrointestinal stromal tumors – a single-center study
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Diagnosis of Brain Tumors Through Global Specific DNA Methylation Analysis
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Baseline chromogranin A and its dynamics are prognostic markers in gastroenteropancreatic neuroendocrine tumors
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Regarding “Accuracy, predictability and prognostic implications of fine‐needle aspiration biopsy for parotid gland tumours: A retrospective case series”
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DNA structure and integrity checkpoints in the cell cycle and their role in drug targeting and resistance of tumor cells to anticancer treatment
PublicationW artykule dokonaliśmy przeglądu literatury dotyczącej różnych typów uszkodzeń DNA indukowanych przez różne czynniki terapeutyczne w komórkach nowotworowych. Omówiliśmy także w jaki sposób aktywują różne typy punktów kontrolnych w cyklu komórkowym i w jaki sposób punkty te są regulowane przez inne szlaki sygnalizacji wewnątrzkomórkowej takie jak szlaki naprawy uszkodzeń DNA, stresu komórkowego i śmierci-przeżycia. W szczególności...
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Synthesis of new antrapyridazone derivatives - a novel group of anticancer agents active on a multidrugresistant(MDR) tumor cell lines
PublicationNovel antrapyridazone derivatives were synthesized and biologically evaluated in order tobroaden the data on structure-activity relationship of this class of cytostatics. Recent literaturedata prove that acetamides react better with aryl chlorides. A new approach based onintroduction of other amides form into aromatic ring in Ullmann was tested. This new methodcould give better yields and make purification step more convenient.
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Chemometric Evaluation of Urinary Steroid Hormone Levels as Potential Biomarkers of Neuroendocrine Tumors
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Molecular Characterization of Growth Hormone-producing Tumors in the GC Rat Model of Acromegaly
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Rapid PD-L1 detection in tumors with PET using a highly specific peptide
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Expression of stem cell and mesenchymal markers in circulating tumor cells is associated with poor prognosis of early breast cancer patients
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