Search for dissertations about: "tumor hypoxia"

Showing result 1 - 5 of 91 swedish dissertations containing the words tumor hypoxia.

  2. 1. Imaging the tumor microenvironment : the dynamics and modification of hypoxia

    Author : Anna Ljungkvist; Peggy L. Olive; Umeå universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Radiology; tumor microenvironment; double hypoxic marker method; proliferation; hypoxia; hypoxic half-life; Radiologisk forskning; Radiological research; Radiologisk forskning; diagnostisk radiologi; Diagnostic Radiology;

    Abstract : The tumor vasculature is poor and heterogeneous which may result in inadequate oxygenation and changed energy status. In addition the balance between cell proliferation and the rate of cell death is disturbed, which results in tumor growth. READ MORE

  4. 2. Hypoxia-Inducible Factors in Tumor Cell Differentiation and Tumor Vascularization

    Author : Alexander Pietras; Institutionen för translationell medicin; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; HIF-2alpha; cancer; notch; angiogenesis; tumor-initiating cells; hypoxia; neuroblastoma; differentiation;

    Abstract : Mammalian cells, including tumor cells, adapt to hypoxia via stabilization of two transcription factors - Hypoxia-inducible factor (HIF)-1alpha and HIF-2alpha. Among other consequences, hypoxia is a main driving force behind angiogenesis. READ MORE

  5. 3. Stromal and tumor cell responses to hypoxia and treatment within the glioma microenvironment

    Author : Vasiliki Pantazopoulou; Avdelningen för translationell cancerforskning; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Cancer; glioblastoma; tumor microenvironment; reactive astrocytes; hypoxia; CD44; p75NTR;

    Abstract : Glioblastoma is the most aggressive primary brain tumor in adults. Despite treatment, tumors invariably recur, and the recurring tumor is resistant to therapies. New approaches are needed for the successful treatment of glioblastoma patients.Tumors are not simply a compilation of molecularly and phenotypically identical neoplastic cells. READ MORE

  6. 4. MOLECULAR ASPECTS OF ENDOTHELIAL CELL FUNCTION AND HYPOXIA-DEPENDENT TUMOR ANGIOGENESIS

    Author : Paulina Kucharzewska; Bröstcancer-genetik; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; hypoxia; hypoxia-inducible factor; angiogenesis; anti-angiogenic therapy; endothelial cell; polyamines; microRNA; extracellular membrane vesicles; exosomes; glioblastoma;

    Abstract : Hypoxia, or deficient oxygen levels, is an inherent feature of rapidly expanding tumor tissue. In order to survive in the hostile, hypoxic environment and to restore the supply of oxygen and nutrients tumor cells activate a variety of adaptive mechanisms. Among them, hypoxia-induced angiogenesis, i.e. READ MORE

  7. 5. Transcriptional Regulation by Hypoxia-Inducible Factors in Tumor Cells

    Author : Tobias Löfstedt; Institutionen för translationell medicin; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; cancerology; oncology; Biomedicinska vetenskaper; Medicine human and vertebrates ; Medicin människa och djur ; Cytology; Biomedical sciences; MXI1; ID2; differentiation; HIF; hypoxia; transcription; cancer; neuroblastoma; Cytologi; onkologi;

    Abstract : Cancer is a major cause of human morbidity and mortality, and the risk of developing cancer is about one in three life times. Neuroblastoma is the most common extra-cranial solid tumor among children and arises from early sympathetic nervous system (SNS) cells arrested in their development. READ MORE