Sökning: "Johanna Bengtsson"

Hittade 4 avhandlingar innehållade orden Johanna Bengtsson.

  1. 1. Low frequency noise during work. Effects on performance and annoyance

    Författare :Johanna Bengtsson; Göteborgs universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Low frequency noise; performance; workload; annoyance; cortisol; subjective stress; subjective sensitivity to noise; sound characteristics; frequency balance; modulation frequency;

    Sammanfattning : Aims. Low frequency noise (LFN) is defined as "a noise with a dominant frequency content of 20 to 200 Hz". Common sources of LFN in occupational environments are ventilation, heating and air-conditioning systems, computer network installations and compressors. LÄS MER

  3. 2. The impact of cytochrome P4501-inhibitors on aryl hydrocarbon receptor signaling

    Författare :Johanna Bengtsson; Emma Wincent; Ulf Rannug; Malin Celander; Stockholms universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; molekylär biovetenskap; Molecular Bioscience;

    Sammanfattning : The aryl hydrocarbon receptor (AHR) best known as a ligand-activated transcription factor that mediates toxic responses to xenobiotics such as dioxins, is also activated by certain endogenous compounds. Activation of the AHR up-regulates transcription of a large number of genes, including those encoding members of the cytochrome P450 1 family of enzymes (CYP1s). LÄS MER

  4. 3. The role of peridontitis and hepatocyte growth factor in systemic inflammation

    Författare :Johanna Lönn; Torbjörn Bengtsson; Fariba Nayeri; Anders Gustafsson; Örebro universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Hepatocyte growth factor; Porphyromonas gingivalis; periodontitis; systemic inflammation; coronary artery disease; chronic renal failure; lipoxin; Biomedicin; Biomedicine;

    Sammanfattning : An essential goal in addressing inflammation is the return of tissue to homeostasis. Persistent infections often cause prolonged response and accumulation of immune cells, inducing imbalance in pro- and anti-inflammatory mediators, tissue destruction, and chronic inflammation. LÄS MER

  5. 4. Development of novel tools for prevention and diagnosis of Porphyromonas gingivalis infection and periodontitis

    Författare :Sravya Sowdamini Nakka; Torbjörn Bengtsson; Hazem Khalaf; Fariba Nayeri; Johanna Lönn; Tülay Lindberg; Örebro universitet; []
    Nyckelord :MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Periodontitis; Porphyromonas gingivalis; anti-P. gingivalis antibodies; surface plasmon resonance; PLNC8 αβ; proliferation; growth factors.; Biomedicin; Biomedicine;

    Sammanfattning : Periodontitis is a chronic inflammatory disease caused by exaggerated host immune responses to dysregulated microbiota in dental biofilms leading to degradation of tissues and alveolar bone loss. Porphyromonas gingivalis is a major periodontal pathogen and expresses several potent virulence factors. LÄS MER