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Otto-von-Guericke University Magdeburg

5 ARTICLES PUBLISHED IN JoVE

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Immunology and Infection

Direct Observation of Phagocytosis and NET-formation by Neutrophils in Infected Lungs using 2-photon Microscopy
Mike Hasenberg 1, Anja Köhler 1, Susanne Bonifatius 1, Andreas Jeron 2, Matthias Gunzer 1
1Institute for Molecular and Clinical Immunology, Otto-von-Guericke University Magdeburg, 2Department of Immunoregulation, Helmholtz Center for Infection Research

We show, how to use 2-photon microscopy for the observation of the dynamics of neutrophil granulocytes in infected lungs while they phagocytose pathogens or produce neutrophil extracellular traps (NETs).

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Immunology and Infection

Flow Cytometric Isolation of Primary Murine Type II Alveolar Epithelial Cells for Functional and Molecular Studies
Marcus Gereke 1,2, Andrea Autengruber 1,2, Lothar Gröbe 3, Andreas Jeron 2, Dunja Bruder 1,2, Sabine Stegemann-Koniszewski 1
1Research Group Immune Regulation, Helmholtz Centre for Infection Research, 2Research Group Infection Immunology, Institute of Medical Microbiology, Otto-von-Guericke University , 3Department of Experimental Immunology, Helmholtz Centre for Infection Research

We describe the rapid isolation of primary murine type II alveolar epithelial cells (AECII) by flow cytometric negative selection. These AECII show high viability and purity and are suitable for a wide range of functional and molecular studies regarding their role in respiratory conditions such as autoimmune or infectious diseases.

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Medicine

Quantitative Visualization of Leukocyte Infiltrate in a Murine Model of Fulminant Myocarditis by Light Sheet Microscopy
Linda Männ 1, Anika Klingberg 2, Matthias Gunzer 2, Mike Hasenberg 3
1Department of Translational Skin Cancer Research, University of Duisburg/Essen, 2Institute for Experimental Immunology and Imaging, University of Duisburg/Essen, 3Imaging Center Essen, Electron Microscopy Unit, University Hospital of Essen

Here, we describe a light-sheet microscopy approach to visualize the cardiac CD45+ leukocyte infiltrate in a murine model of aseptic fulminant myocarditis, which is induced by the intratracheal diphtheria toxin treatment of CD11c.DTR mice.

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JoVE Core

A Guide to Concentration Alternating Frequency Response Analysis of Fuel Cells
Antonio Sorrentino 1, Kai Sundmacher 1,2, Tanja Vidaković-Koch 1
1Max Planck Institute for Dynamics of Complex Technical Systems, 2Process Systems Engineering, Otto-von-Guericke University Magdeburg

We present a protocol for concentration alternating frequency response analysis of fuel cells, a promising new method of studying fuel cell dynamics.

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Cancer Research

Chemical Conjugation of a Purified DEC-205-Directed Antibody with Full-Length Protein for Targeting Mouse Dendritic Cells In Vitro and In Vivo
Julia Volckmar 1,2, Laura Knop 1,2,3, Tatjana Hirsch 1, Sarah Frentzel 1,2, Christian Erck 4, Marco van Ham 4, Sabine Stegemann-Koniszewski *1,2,5, Dunja Bruder *1,2
1Immune Regulation Group, Helmholtz Centre for Infection Research, 2Infection Immunology Group, Institute of Medical Microbiology, Infection Prevention and Control, Health Campus Immunology, Infectiology and Inflammation, Otto-von-Guericke University Magdeburg, 3Institute for Molecular and Clinical Immunology, Health Campus Immunology, Infectiology and Inflammation, Otto-von-Guericke University Magdeburg, 4Cellular Proteome Research, Helmholtz Centre for Infection Research, 5Experimental Pneumology, University Hospital of Pneumology, Health Campus Immunology, Infectiology and Inflammation, Otto-von-Guericke University Magdeburg

We describe a protocol for the chemical conjugation of the model antigen ovalbumin to an endocytosis receptor-specific antibody for in vivo dendritic cell targeting. The protocol includes purification of the antibody, chemical conjugation of the antigen, as well as purification of the conjugate and the verification of efficient conjugation.

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