Search for dissertations about: "B-cell"

Showing result 6 - 10 of 571 swedish dissertations containing the word B-cell.

  2. 6. Regulation of B cell development by antigen receptors

    Author : Jannek Hauser; Thomas Grundström; Yuan Zhuang; Umeå universitet; []
    Keywords : calcium; calmodulin; e-proteins; E2A; B cell development; antigen receptor signaling; surrogate light chains; RAG; allelic exclusion; V D J recombination; AID; negative feedback regulation; plasma cell differentiation;

    Abstract : The developmental processes of lymphopoiesis generate mature B lymphocytes from hematopoietic stem cells through increasingly restricted intermediates. Networks of transcription factors regulate these cell fate choices and are composed of both ubiquitously expressed and B lineage-specific factors. READ MORE

  4. 7. Molecular Genetic Analysis in B-cell Lymphomas : A Focus on the p53 Pathway and p16INK4a

    Author : Norafiza Zainuddin; Gunilla Enblad; Richard Rosenquist; Mattias Berglund; Kirsten Gronbaek; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; Diffuse large B-cell lymphoma; chronic lymphocytic leukemia; TP53 mutation; MDM2 SNP309; codon 72 polymorphism; p16INK4a methylation; Clinical genetics; Klinisk genetik; Molecular biology; Molekylärbiologi; Haematology; Hematologi; Tumour biology; Tumörbiologi; Clinical Genetics; Klinisk genetik; Medical Genetics; Medicinsk genetik; Molekylär genetik; Molecular Genetics; Oncology; Onkologi; Pathology; Patologi;

    Abstract : The presence of TP53 mutations has been associated with inferior outcome in diffuse large B-cell lymphoma (DLBCL) and chronic lymphocytic leukemia (CLL). In DLBCL, the impact of the TP53 codon 72 polymorphism and MDM2 SNP309 has not been clearly elucidated, whereas MDM2 SNP309 was suggested as a poor-prognostic marker in CLL. READ MORE

  5. 8. Stereotyped B Cell Receptors in Chronic Lymphocytic Leukaemia : Implications for Antigen Selection in Leukemogenesis

    Author : Fiona Murray; Richard Rosenquist Brandell; Kostas Stamatopoulos; Gunilla Enblad; Gerard Tobin; Manlio Ferrarini; Uppsala universitet; []
    Keywords : MEDICIN OCH HÄLSOVETENSKAP; MEDICAL AND HEALTH SCIENCES; chronic lymphocytic leukaemia; immunoglobulin genes; somatic hypermutation; stereotyped B cell receptors; antigen selection; Molecular biology; Molekylärbiologi;

    Abstract : Biased immunoglobulin heavy variable (IGHV) gene usage and distinctive B-cell receptor (BCR) features have been reported in chronic lymphocytic leukaemia (CLL), which may reflect clonal selection by antigens during disease development. Furthermore, the IGHV gene mutation status distinguishes two clinical entities of CLL, where patients with unmutated IGHV genes have an inferior prognosis compared to those with mutated IGHV genes. READ MORE

  6. 9. B-cell responses after pertussis vaccination

    Author : Maja Jahnmatz; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Despite years of vaccination efforts, whooping cough, or pertussis, is not under control. Although immunization has greatly reduced the disease incidence, thousands of children die of whooping cough each year. READ MORE

  7. 10. TRIM21/ Ro52 in B cell pathology

    Author : Susanna Brauner; Karolinska Institutet; Karolinska Institutet; []
    Keywords : ;

    Abstract : Primary Sjögren’s syndrome (pSS) is a systemic autoimmune disease affecting 0.2% of the population. Several B cell aberrances have been linked to pSS, such as autoantibody production, hypergammaglobulinemia and B cell associated genetic polymorphisms. In addition, pSS patients display a 16 fold increased risk to develop B cell lymphomas. READ MORE