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Functional and cellular heterogeneity of the myeloid cell system

dc.contributor.advisorLatz, Eicke
dc.contributor.authorGünther, Patrick
dc.date.accessioned2020-11-09T13:13:16Z
dc.date.available2020-11-09T13:13:16Z
dc.date.issued09.11.2020
dc.identifier.urihttp://hdl.handle.net/20.500.11811/8763
dc.description.abstractCells of the myeloid lineage form the innate part of the immune system and are characterized by a high level of functional plasticity, which is required to address the diverse set of functions of these mononuclear cells. Monocytes, Macrophages and dendritic cells (DC) are collectively categorized as the mononuclear phagocyte system (MPS), to highlight their functional equipment that specializes them to the phagocytosis of pathogens as a starting point to elicit an immune response. Besides this role, cells of the MPS are also involved in a wide variety of homeostatic functions including early development and regulation of physiological processes. However, the multitude of mechanisms required to acquire this functional plasticity remains poorly understood.
The work that has been performed in the scope of this dissertation aimed to advance current knowledge of the causes and consequences of functional and cellular plasticity of the myeloid immune system. High-dimensional characterization of the effects of a Western diet on myeloid immune cell progenitor cells revealed a long-term transcriptional and epigenetic reprogramming of the myeloid cell compartment. The formation of an innate immune memory in myeloid progenitor cells leads to lasting inflammatory priming of monocytes, which may directly contribute to the progression of myeloid cell-associated diseases.
In addition, single-cell RNA-seq elucidated unreported cellular heterogeneity of the monocyte and dendritic cell compartment in human peripheral blood. A combination of phenotypic and transcriptional analyzes resulted in a precise categorization of the human DC compartment consisting of pDCs, cDC1, two cDC2 subsets, and a deeply characterized preDC subset. Furthermore, a universal strategy for the integration of cellular atlases was conceptualized and applied to establish a consensus map of the human DC and monocyte cell space.
This thesis provides mechanistic insights into the cellular composition of myeloid cells and their functional plasticity, which will form the foundation for further investigations into the dynamic changes of the immune cell compartment during diseases and will be critically relevant for designing effective treatments for a wide variety of pathologies linked to myeloid cells.
en
dc.language.isoeng
dc.rightsIn Copyright
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/
dc.subjectMyeloid
dc.subjectImmunsystem
dc.subjectRNA-Seq
dc.subjectBioinformatik
dc.subjectimmune system
dc.subjectBioinformatics
dc.subject.ddc500 Naturwissenschaften
dc.subject.ddc570 Biowissenschaften, Biologie
dc.subject.ddc610 Medizin, Gesundheit
dc.titleFunctional and cellular heterogeneity of the myeloid cell system
dc.typeDissertation oder Habilitation
dc.publisher.nameUniversitäts- und Landesbibliothek Bonn
dc.publisher.locationBonn
dc.rights.accessRightsopenAccess
dc.identifier.urnhttps://nbn-resolving.org/urn:nbn:de:hbz:5-60280
ulbbn.pubtypeErstveröffentlichung
ulbbnediss.affiliation.nameRheinische Friedrich-Wilhelms-Universität Bonn
ulbbnediss.affiliation.locationBonn
ulbbnediss.affiliation.otherLocation1Melbourne
ulbbnediss.affiliation.otherName1University of Melbourne
ulbbnediss.thesis.levelDissertation
ulbbnediss.dissID6028
ulbbnediss.date.accepted2020-08-06
ulbbnediss.instituteMathematisch-Naturwissenschaftliche Fakultät : Fachgruppe Molekulare Biomedizin / Life & Medical Sciences-Institut (LIMES)
ulbbnediss.fakultaetMedizinische Fakultät
dc.contributor.coRefereeSchultze, Joachim L.
ulbbnediss.contributor.orcidhttps://orcid.org/0000-0002-9135-7819


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