Viser treff 21-40 av 88

    • The prognostic significance of miR-17-5p and miR-20a-5p in prostate cancer 

      Ingebriktsen, Lise Martine (Mastergradsoppgave; Master thesis, 2019-05-15)
      Prostate cancer accounts for extensive mortality and is the second most frequent cancer type occurring in men, acknowledged as a severe health problem globally. In Norway, Prostate cancer is the most common form of cancer in men, and around 5.000 patients are diagnosed each year. Using in situ hybridization, we examined the in situ tissue distribution of miR-17-5p and miR-20a-5p in prostate cancer ...
    • Characterization of commensal enterococcal membrane vesicles and their cytotoxic effect on various host cells 

      Bhandari, Ishan (Mastergradsoppgave; Master thesis, 2020-05-14)
      Enterococcus are a group of bacteria growing on different environmental condition behaving as a commensal as well as opportunistic pathogen. Among the enterococci, Enterococcus faecium is recently emerged as a nosocomial multi-resistance pathogen especially in the severely ill and immunocompromised patients causing a wide range of diseases like endocarditis, bacteraemia and urinary tract infections. ...
    • Expression and characterization of recombinant murine integrin β3 modified to express the human platelet antigen-1a epitope 

      Rasmussen, Trude Victoria (Mastergradsoppgave; Master thesis, 2017-05-14)
      Fetal and neonatal alloimmune thrombocytopenia (FNAIT) is a condition where the mother produces alloantibodies against fetal platelets during pregnancy most commonly due to an incompatibility in the human platelet antigen (HPA)-1 system; a single amino acid polymorphism located on integrin β3 with two common variants, HPA-1a and HPA-1b. Antibody responses against HPA-1a can be formed in women who ...
    • Optimization of biomarkers for morphological analysis of healthy and preeclamptic term human placental tissue sections using advanced fluorescence microscopy methods 

      Nalliah, Maddhusja (Mastergradsoppgave; Master thesis, 2021-07-01)
      Preeclampsia (PE) is a pregnancy-related disorder affecting 5-8% of women worldwide (4% in Norway). It is believed that placental ischemia is the initial event in the development of PE and is characterized by placental insufficiency and clinical symptoms such as hypertension and proteinuria. In this project, we aimed to study suitable biomarkers for morphological analysis of human term placenta from ...
    • The Regulatory Relationship between E2F4 and MiRNA-363, and it’s Relevance to Oral Cancer 

      Assadi, Geed Alaa (Master thesis; Mastergradsoppgave, 2020-08-14)
      BACKGROUND Oral Squamous Cell Carcinoma (OSCC) is the most common type of head and neck cancer and persists a leading cause of cancer associated mortality and morbidity universally. Survival rate is still poor at less than 50% urging the need for biomarkers to allow better diagnosis, prognosis and therapeutic strategies. In this study we focus on E2F4, a repressor of cell cycle, and further propose ...
    • Optimization of the use of PrepFiler Express™ Forensic DNA extraction kit lysis buffer discard for mRNA profiling 

      Hamnevoll, Kari (Mastergradsoppgave; Master thesis, 2021-06-01)
      mRNA profiling for body fluid or tissue type identification is able to provide circumstantial information alongside DNA profiles from biological material found at a crime scene. To solve the challenge of material limitation in body fluid identification, studies have successfully developed mRNA profiles of RNA extracted from lysis buffer discard of DNA-extraction. It would be interesting to examine ...
    • High Palmitate Alters Glutathione Redox During Severe Oxidant Stress in the Heart; An Evaluation of Altered Glutathione Redox Environment on Cardiac Function and Mitochondrial Energetics. 

      Sepehrara, Ramin (Mastergradsoppgave; Master thesis, 2021-05-18)
      When the heart is under stress, e.g. ischemia-reperfusion (IR), it produces an enormous amount of reactive oxygen species (ROS). Glutathione, which is an endogenous antioxidant derived from the ‘nicotinamide adenine dinucleotide hydrogen’ (NADH) of the ‘tricarboxylic acid’ cycle, can fight against this oxidative stress to balance the redox environment, and convert the produced ROS to H2O. In this ...
    • A study on the interactions between perfluorosulfonic acids and P-glycoprotein 

      Voloshyna, Tetyana (Mastergradsoppgave; Master thesis, 2021-05-18)
      Perfluoroalkyl substances (PFAS) have received a great deal of attention due to the ubiquitous occurrence and persistence in the environment, resistance to degradation, and biological accumulation in wildlife and humans. PFAS are being detected around the globe, raising concerns regarding the toxicity and health risks to humans. Studies have shown that environmental toxicants, including PFAS, can ...
    • Investigation into the presence of CRISPR-Cas- and R-M systems in Klebsiella pneumoniae and correlation with antibiotic resistance, virulence and plasmids 

      Nilsen, Miriam Kristine (Master thesis; Mastergradsoppgave, 2020-06-05)
      The aims were to perform a bioinformatic-statistical analysis of CRISPR-Cas- and R-M systems in a diverse whole genome sequenced K. pneumoniae population, and their correlations to virulence score and AMR -/ plasmid content. The strains (n=999) consisted of Norwegian fecal carrier (n=484) and clinical (NORM; ESBL and non-ESBL producing) (n=414), and national-international clinical ST307 strains ...
    • ATAD3 proteins in autophagy. Do ATAD3 proteins have a direct role in regulating autophagy 

      Taboko, Nelsy Efundem (Master thesis; Mastergradsoppgave, 2020-05-22)
      ATPase Family AAA Domain -containing protein 3 (ATAD3) is a nuclear-encoded mitochondrial transmembrane protein encompassing three isoforms; ATAD3A, ATAD3B and ATAD3C. ATAD3 is involved in several cellular process and available data predict that ATAD3A and ATAD3B proteins may have potential roles in regulating autophagy and mitophagy. Preliminary data from our research group identified interactions ...
    • A study of TRIM32 self-ubiquitination 

      Khan, Waqas (Master thesis; Mastergradsoppgave, 2020-05-15)
      TRIMs (tripartite motif proteins) constitute a family of ubiquitin E3 ligases that are involved in a variety of cellular processes including autophagy and carcinogenesis. TRIM32 contains an N-terminal RING finger domain, B-box region, a coiled-coil domain and six NHL repeats in the C-terminal region, which are involved in protein dimerization and substrate recognitions. Various mutations in the NHL ...
    • Exploration of rabbit integrin β3 as a possible immune-tolerizing agent to prevent foetal and neonatal alloimmune thrombocytopenia. 

      van Ligtenberg, Lennart Maximilian (Mastergradsoppgave; Master thesis, 2020-08-07)
      Foetal and neonatal alloimmune thrombocytopenia (FNAIT) is a disease caused by the production of antibodies by the mother to the platelets of the foetus. The alloimmune response is caused by a P33L substitution in the Human Platelet Antigen-1a (HPA-1a) in a homo- or heterozygous HPA-1a foetus, in a homozygous HPA-1b+ mother. Maternal antibodies are produced by activated HPA-1a specific T-cells able ...
    • Molecular interaction studies of initial electrostatic attraction between trypsin and the human PAR-2 receptor 

      Kristoffersen, Tonje Håtveit (Master thesis; Mastergradsoppgave, 2020-01-16)
      Workers in livestock and fish cultivation are at increased risk of occupational airway damage caused by proteases. Proteases, such as trypsin, activate PAR-2 which in turn triggers an inflammatory response, potentially causing airway damage over time. There has been some speculation that PAR-2 receptors easier attract trypsin form species where this enzyme has a more negative electrostatic charge. ...
    • Regulation of urokinase receptor (uPAR) cleavage by cancer associated fibroblasts (CAFs) in oral cancer 

      Kitaw, Manyahilishal Etana (Master thesis; Mastergradsoppgave, 2019-05-15)
      Oral squamous cell carcinoma (OSCC) is one of the frequently diagnosed type of oral cancers and is a leading cause of cancer associated mortality and morbidity worldwide. Cancer associated fibroblasts (CAFs) are activated fibroblasts that are found in association with cancer cells. CAFs are the most abundant stromal cells in the tumor microenvironment (TME). In the TME, cell interactions mediated ...
    • Identifying Staphylococcus haemolyticus surface proteins. Development of a novel method for detection of bacterial surface proteins expressed during colonisation of human keratinocytes 

      Wolden, Runa (Master thesis; Mastergradsoppgave, 2018-05-15)
      The aim was to develop a method for identification of expressed surface proteins of Staphylococcus haemolyticus when colonising human keratinocytes. S. haemolyticus and HaCaT cells were grown together and separated with FACS prior to surface protein shaving using the LPI™FlowCell technology (Nanoxis Consulting AB). TMT-tags were used to investigate up- and downregulation of proteins comparing S. ...
    • Immune-modulating properties of carcinoma-associated fibroblasts and their changes during radiotherapy. In vitro study of primary non-small cell lung carcinoma-associated fibroblasts 

      Gorchs, Laia (Master thesis; Mastergradsoppgave, 2015-05-15)
      Background/aim of the study: Carcinoma-associated Fibroblasts (CAFs) comprise a heterogeneous population of cells and often represent the major cellular component of solid malignancies playing critical roles in tumor progression and metastasis. The purpose of this study was to gain more knowledge on the immunosuppressive traits of CAFs isolated from non-small cell lung carcinomas (NSCLC), and to ...
    • Study of human PRKAR1A and its role in autophagy 

      Lamsal, Apsana (Master thesis; Mastergradsoppgave, 2018-05-11)
      The human PRKAR1A gene is a 381- amino acid protein encoding the regulatory subunit (RIα) of the cAMP dependent Protein Kinase A (PKA). The main function of PRKAR1A is to regulate the catalytic activity of PKA. PRKAR1A is shown to regulate autophagy via association with mTOR kinase and colocalization with the autophagy marker proteins LC3B, Rab7 and Rab9. Contradictory findings regarding the ...
    • Optimisation of high-resolution fluorescence microscopy of normal- and preeclamptic placentas 

      Knutsen, Kristine Marie Bakken (Master thesis; Mastergradsoppgave, 2019-08-14)
      Preeclampsia (PE) affects 3-5 % of pregnant women and may lead to maternal and/or fetal death. The main theory of PE is placental ischemia, leading to a dysfunctional placenta and clinical signs as hypertension and proteinuria in the mother. The primary aim of the thesis was to implement and optimise a method for high-resolution microscopy of placental cryo-sections. Secondary aims were to compare ...
    • Modulation of dendritic cells phenotype and functions by irradiated and non-irradiated lung cancer fibroblasts. An in vitro study. 

      Tornaas, Stian (Master thesis; Mastergradsoppgave, 2019-05-15)
      Stromal cells in the tumor microenvironment (TME) interacts with cancer cells and affect their behavior in diverse manners. In this study, we investigated in vitro the mechanisms by which non-irradiated and irradiated cancer-associated fibroblasts (CAFs) isolated from patients with non-small cell lung carcinoma (NSCLC) affected the phenotype and function of monocyte-derived dendritic cells (Mo-DCs) ...
    • Exploring the in vitro expansion of CD4 T cells. For improved culturing of CD4 T cells linked to FNAIT 

      von Hofsten, Susannah (Master thesis; Mastergradsoppgave, 2018-05-15)
      Fetal and neonatal alloimmune thrombocytopenia (FNAIT) is a rare disease that may cause serious bleedings in the fetus or neonate of a woman who has developed antibodies against the fetus’ platelets. Development of FNAIT has been linked to the presence of platelet reactive CD4 T cells that help B cells to develop into antibody producing plasma cells. To be able to conduct research on such T cells, ...