Search for dissertations about: "Sofia Johansson"

Found 4 swedish dissertations containing the words Sofia Johansson.

  1. 1. NK cell recognition : Adaptability to host factors in normal and diabetic mice

    University dissertation from Stockholm : Karolinska Institutet, Microbiology and Tumor Biology Center (MTC)

    Author : Sofia Johansson; Karolinska Institutet.; Karolinska Institutet.; [2005]
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Natural Killer; NK cell; education; Non obese diabetic; NOD; diabetes; activation; graft; rejection; in vivo; method; receptor; repertoire;

    Abstract : The overall aim of this thesis was to understand the rules, which guide NK cell behavior in vivo. NK cells are part of the innate immune system and are important in defense against certain virus infections and tumorigenic cells. They also play a role in rejecting bone marrow grafts. READ MORE

  2. 2. Post mortem studies on the human alcoholic brain : DNA methylation and molecular responses

    University dissertation from Stockholm : Karolinska Institutet, Department of Clinical Neuroscience

    Author : Sofia Johansson; Karolinska Institutet.; Karolinska Institutet.; [2008]
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES;

    Abstract : Chronic alcoholism is a multi-factorial psychiatric disease manifested by re-occurring periods of relapse with frequent symptoms of cognitive impairments. There is no explanation to the extreme vulnerability to relapse, since this often occurs without evident molecular or biochemical changes remaining at the time of relapse. READ MORE

  3. 3. The effect of chronic alcoholism on epigenetic patterns regulating gene expression and neurodegeneration in the human brain

    University dissertation from Stockholm : Karolinska Institutet, Department of Clinical Neuroscience

    Author : Sofia Johansson; Karolinska Institutet.; Karolinska Institutet.; [2007]
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Alcoholism; cognition; drug dependence; brain; frontal cortex; motor cortex; LUMA; epigenetics; methylation; gene expression; endogenous controls; real-time PCR.;

    Abstract : Chronic alcoholism causes about 3.2% of all deaths worldwide. It has an association to about 60 different diseases and injuries with enormous social and economical impact. Despite these facts, very few pharmacological treatments exist and we can still not explain the mechanisms behind addiction, craving and cognitive impairments seen in the abuser. READ MORE

  4. 4. Vertical Nanowire High-Frequency Transistors

    University dissertation from Stockholm : Karolinska Institutet, Department of Clinical Neuroscience

    Author : Sofia Johansson; Lunds universitet.; Lund University.; [2014]
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; nanowires; III-V semiconductors; metal-oxide-semiconductor field-effect transistors; border traps; high-k;

    Abstract : Popular Abstract in Swedish Minns du din första dator? Kanske köpte familjen den på avbetalning genom jobbet för 20 000 kr och kanske kan du såhär i efterhand tycka att effektförbrukningen var lite väl hög i relation till datorns prestanda. Den gick t.ex. inte att köra på batteri. READ MORE