Sökning: "Christer Hällgren"

Hittade 2 avhandlingar innehållade orden Christer Hällgren.

  1. 1. Synthesis of some oligosaccharide fragments of biological and chemical interest using thioglycosides

    Författare :Christer Hällgren; Stockholms universitet; []
    Nyckelord :NATURAL SCIENCES; NATURVETENSKAP; Organic Chemistry; organisk kemi;

    Sammanfattning : This thesis describes the synthesis of oligosaccharide derivatives corresponding to the repeating unit of the O-antigen from two different bacteria, Shigella dysenteriae type 1 and Salmonella thompson serogroup Ci, and fragments thereof. Synthesis of a decasaccharide of chemical interest for studying carbohydrate dynamics in elongated molecules is also described. LÄS MER

  2. 2. Associations Between Rheumatoid Arthritis and Malignant Lymphomas

    Författare :Eva Baecklund; Christer Sundström; Anders Ekbom; Roger Hällgren; Tore Kvien; Uppsala universitet; []
    Nyckelord :MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Medicine; rheumatoid arthritis; malignant lymphoma; diffuse large B-cell lymphoma; disease activity; disease modifying anti-rheumatic drug; Epstein-Barr virus; germinal centre-like non-germinal centre-like subtype; Medicin; Dermatology and venerology; clinical genetics; internal medicine; Dermatologi och venerologi; klinisk genetik; invärtesmedicin;

    Sammanfattning : Patients with rheumatoid arthritis (RA) are at increased risk of developing malignant lymphoma, although details about this association remain unclear. The aims of this thesis were to investigate risk factors for lymphoma in patients with RA and to characterize these lymphomas regarding subtype, presence of Epstein-Barr virus (EBV), clinical manifestations and prognosis. LÄS MER