Search for dissertations about: "beta-strand"

Found 4 swedish dissertations containing the word beta-strand.

  2. 1. Synthesis of β-turn and pyridine based peptidomimetics

    Author : David Blomberg; Jan Kihlberg; Kay Brickmann; Torbjörn Frejd; Umeå universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Peptidomimetics; beta-turn; beta-strand; pyridine scaffold; Grignard exchange reaction; SNAr reaction; thrombin inhibitor; Leu-enkephalin.; Organic synthesis; Organisk syntes;

    Abstract : Despite the unfavorable pharmacokinetic properties associated with peptides, they are still of great interest in drug development due to a multitude of interesting biological functions. The development of peptidomimetics strives to maintain or improve the biological activity of a peptide concurrently with removing the unwanted properties. READ MORE

  4. 2. NMR studies of the amyloid beta-peptide

    Author : Jens Danielsson; Astrid Gräslund; Chris Dobson; Stockholms universitet; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; NMR; amyloid beta peptide; structure; metal interaction; diffusion; Biophysics; Biofysik;

    Abstract : The Amyloid beta peptide (Ab) is related to Alzheimer’s disease and is suggested to be the molecular pathogenic species of the disease, probably through the neurotoxic effect of Ab oligomers. Here the results from biophysical studies of Ab and fragments thereof, are presented. READ MORE

  5. 3. Modulation of cellular and viral functions in Epstein-Barr virus infected cells

    Author : Marta P Imreh; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : The aim of the study was to investigate the interplay of cellular and viral genes in Epstein-Barr virus (EBV) infected cells. Two aspects of this interaction have been investigated. The first aspect is related to the expression of major histocompatibility complex (MHC) class I molecules in virus infected malignant cells. READ MORE

  6. 4. Regulation of protein degradation by virus derived repeated amino acid sequences

    Author : Ainars Leonchiks; Karolinska Institutet; Karolinska Institutet; []
    Keywords : Epstein-Barr virus; glycine-alanine repeat; ubiquitin-proteasome pathway;

    Abstract : The ubiquitin-proteasome pathway plays a central role in the controlled degradation of short-lived and regulatory proteins important m a variety of cellular processes, including antigen presentation and combating viral infections. The presentation of antigenic peptides derived from ubiquitin-proteasome dependent degradation of vital proteins to MHC class I restricted cytotoxic T cells is a central component of antiviral responses. READ MORE