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Effects of different conditions of HIV-1 on plasmacytoid dendritic cells in maturation and function
Linköping University, The Department of Physics, Chemistry and Biology.
2008 (English)Independent thesis Basic level (degree of Bachelor), 10 points / 15 hpStudent thesis
Abstract [en]

Plasmacytoid dendritic cells (PDCs) are one cellular target of HIV-1 and respond to the virus by producing type I interferons and chemokines. PDCs exposed to HIV-1 strongly upregulate the expression of maturation markers such as CD83, CD80, CD86 and CCR7, which will turn them into professional antigen presenting cells with the ability to stimulate naïve CD4+T cells. When HIV-1 binds to the CD4 receptor and a co-receptor (CCR5 or CXCR4) on PDCs, the cell takes up the virus by endocytosis. In response to this, PDCs will become activated and express maturation markers on their surface that make them able to stimulate T cells to trigger an immune response. In this thesis, studies have been performed with different forms of HIV-1, i.e. opsonized virions covered in complement and antibodies since these forms are supposed to be more similar to how HIV appears in the body. According to our results there is no significant difference in PDC maturation between the free and opsonized HIV-1.

Place, publisher, year, edition, pages
Institutionen för fysik, kemi och biologi , 2008. , 19 p.
Keyword [en]
Plasmacytoid dendritic cells, Interferon-α, HIV-1, complement and immune complexed opsonized.
National Category
Immunology in the medical area
URN: urn:nbn:se:liu:diva-12343ISRN: LITH-IFM-EX--08/1976--SEOAI: diva2:18548
Available from: 2008-07-14 Created: 2008-07-14

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