Sökning: "CTLA-4"
Visar resultat 21 - 25 av 54 avhandlingar innehållade ordet CTLA-4.
21. Genetic polymorphism and natural killer cell activity in multiple myeloma
Sammanfattning : Multiple Myeloma (MM) is a B cell malignancy characterised by an accumulation of clonal neoplastic plasma cells in bone marrow. Its aetiology remains unknown. Remarkable racial differences in the incidence of MM and occurrence of familial MM suggest that genetic factors may play a role in the development of MM. LÄS MER
22. Studies of immunological risk factors in type 1 diabetes
Sammanfattning : Background: Type 1 diabetes (T1D) is a chronic, autoimmune disease caused by a T cell mediated destruction of ß-cells in pancreas. The development of T1D is determined by a combination of genetic susceptibility genes and environmental factors involved in the pathogenesis of T1D. LÄS MER
23. On the induction and function of Foxp3+ regulatory T cells
Sammanfattning : This thesis is based on three original papers with the overall aim to study the mechanisms of induction and function of Foxp3+CD4+CD25+ regulatory T cells. Regulatory T cells induce down-modulation of costimulatory molecules CD80 and CD86 on dendritic cells in vitro. LÄS MER
24. Factors regulating lymphocyte development and peripheral activation
Sammanfattning : Peripheral tolerance is regulated by different types of regulatory T cells, including CD1-restricted T cells and CD4+CD25+ regulatory T (Treg) cells. This thesis has focused on the interactions between T cells and antigen presenting cells (APCs) and the immunregulatory function of TGF-b as two important factors regulating differentiation and activation of T cells in the periphery. LÄS MER
25. T cells and chemokines in rheumatoid arthritis
Sammanfattning : In this thesis, we investigated if circulating proportions of specific CD4+ T cell subsets and blood chemokine levels were associated with disease activity and/or could predict remission in patients with early rheumatoid arthritis (eRA). We also compared the effect of different biological treatments on both T cell subset proportions and chemokine levels. LÄS MER