Item type:Thesis, Open Access

Reifung und Migration von Langerhanszellen nach Stimulation durch liposomale Antigene - ein murines Modell zur transcutanen Tumorvaccinierung

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Date

2005-09-09

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Philipps-Universität Marburg
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Abstract

In the past years there were numerous finding in transcutaneus tumour vaccination. Langerhans cells have as dendritic cells of the epidermis a key role in the control of the immune system. Dendritic cells are important in tumour immunology, because they are antigen presenting cells and a key target for immunisation against tumour antigens. For malignant melanoma there are several strategies for transcutan vaccination against tumour antigens. Transcutaneous vaccination is difficult because of the robust protective shield of the skin. Hydrophile solutions can hardly pass the Stratum corneum to reach Langerhans cells. Up to now it was necessary to take away the Stratum corneum to induce a cytotoxic T-cell response. The results of transcutaneous application of Cyclosporin A with lipsome raise the question, if Liposome can have a use for application of tumour antigens. This method could work without taking away the Stratum corneum. In this thesis it is shown that Langerhans cells can get stimulated by the application of liposome of the intact skin. This is shown by a increase of CD86 expression. Langerhans cells enter a maturation process, that leads to a migration to the draining lymph nodes. The leukozyte population of the draining lymph nodes shows a increase of MHC II and CD 86 positiv cells. Liposomes can stimulate Langerhans cells effectively and are an interesting vehicle and adjuvants for transcutaneous vaccination.

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Dates
Created: 2005Issued: 2005-09-09Updated: 2011-08-10
DOI
https://doi.org/10.17192/z2005.0399
Faculty
Medizin
Publisher
Philipps-Universität Marburg
Language
ger
Data types
DoctoralThesis
Keywords
Dendritische ZellenMelanomaLangerhans cellTumorvaccinierungLiposomenDendritic cellTumor vaccinationLangerhanszellen
DFG-subjects
ImmunsystemDermatologieMHCMelanom
DDC-Numbers
610
License
https://rightsstatements.org/vocab/InC-NC/1.0/
URI
https://open.uni-marburg.de/handle/10.17192/z2005.0399
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Harbrecht, Jan Christoph: Reifung und Migration von Langerhanszellen nach Stimulation durch liposomale Antigene - ein murines Modell zur transcutanen Tumorvaccinierung. : Philipps-Universität Marburg 2005-09-09. DOI: https://doi.org/10.17192/z2005.0399.

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