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Tlr9 Agonist Mgn1703 Enhances B Cell Differentiation And Function In Lymph Nodes, Mariane H. Schleimann, Maria-Louise Kobberø, Line K. Vibholm, Katherine Kjær, Leila B. Giron, Kathleen Busman-Sahay, Chi Ngai Chan, Michael Nekorchuk, Manuel Schmidt, Burghardt Wittig, Tine E. Damsgaard, Peter Ahlburg, Michel B. Hellfritzsch, Kaja Zuwala, Frederik H. Rothemejer, Rikke Olesen, Phillipp Schommers, Florian Klein, Harsh Dweep, Andrew Kossenkov, Jens R. Nyengaard, Jacob D. Estes, Mohamed Abdel-Mohsen, Lars Østergaard, Ole S. Søgaard, Paul W. Denton
Tlr9 Agonist Mgn1703 Enhances B Cell Differentiation And Function In Lymph Nodes, Mariane H. Schleimann, Maria-Louise Kobberø, Line K. Vibholm, Katherine Kjær, Leila B. Giron, Kathleen Busman-Sahay, Chi Ngai Chan, Michael Nekorchuk, Manuel Schmidt, Burghardt Wittig, Tine E. Damsgaard, Peter Ahlburg, Michel B. Hellfritzsch, Kaja Zuwala, Frederik H. Rothemejer, Rikke Olesen, Phillipp Schommers, Florian Klein, Harsh Dweep, Andrew Kossenkov, Jens R. Nyengaard, Jacob D. Estes, Mohamed Abdel-Mohsen, Lars Østergaard, Ole S. Søgaard, Paul W. Denton
Paul W. Denton
Background
TLR9 agonists are being developed as immunotherapy against malignancies and infections. TLR9 is primarily expressed in B cells and plasmacytoid dendritic cells (pDCs). TLR9 signalling may be critically important for B cell activity in lymph nodes but little is known about the in vivo impact of TLR9 agonism on human lymph node B cells. As a pre-defined sub-study within our clinical trial investigating TLR9 agonist MGN1703 (lefitolimod) treatment in the context of developing HIV cure strategies (NCT02443935), we assessed TLR9 agonist-mediated effects in lymph nodes.
Methods
Participants received MGN1703 for 24 weeks concurrent with antiretroviral therapy. Seven …