Université de Fribourg

Suppression of intratumoral CCL22 by type I interferon inhibits migration of regulatory T cells and blocks cancer progression

Anz, David ; Rapp, Moritz ; Eiber, Stephan ; Koelzer, Viktor H ; Thaler, Raffael ; Haubner, Sascha ; Knott, Max ; Nagel, Sarah ; Golic, Michaela ; Wiedemann, Gabriela M ; Bauernfeind, Franz ; Wurzenberger, Cornelia ; Hornung, Veit ; Scholz, Christoph ; Mayr, Doris ; Rothenfusser, Simon ; Endres, Stefan ; Bourquin, Carole

In: Cancer Research, 2015, vol. 75, no. 21, p. 4483-4493

The chemokine CCL22 is abundantly expressed in many types of cancer and is instrumental for intratumoral recruitment of regulatory T cells (Treg), an important subset of immunosuppressive and tumor-promoting lymphocytes. In this study, we offer evidence for a generalized strategy to blunt Treg activity that can limit immune escape and promote tumor rejection. Activation of innate immunity with...

Université de Fribourg

The dipeptidylpeptidase-IV inhibitors sitagliptin, vildagliptin and saxagliptin do not impair innate and adaptive immune responses

Anz, David ; Kruger, S. ; Haubner, S. ; Rapp, Moritz ; Bourquin, Carole ; Endres, Stefan

In: Diabetes, Obesity and Metabolism, 2014, vol. 16, no. 6, p. 569–572

Inhibitors of dipeptidylpeptidase IV (DPP-IV) represent a novel class of frequently used anti-diabetic drugs. In addition to its function in metabolic regulation, DPP-IV also plays a role in the immune system. Whether the DPP-IV inhibitors sitagliptin, vildagliptin or saxagliptin impair immune responses is, however, currently unknown. Here, we investigated the effect of these agents on both...

Université de Fribourg

CD103 is a hallmark of tumor-infiltrating regulatory T cells

Anz, David ; Mueller, Wolfgang ; Golic, Michaela ; Kunz, Wolfgang G. ; Rapp, Moritz ; Koelzer, Viktor H. ; Ellermeier, Jonathan ; Ellwart, Joachim W. ; Schnurr, Max ; Bourquin, Carole ; Endres, Stefan

In: International Journal of Cancer, 2012, vol. 129, no. 10, p. 2417–2426

Regulatory T cells (Treg) mediate tolerance towards self-antigens by suppression of innate and adaptive immunity. In cancer patients, tumor-infiltrating FoxP3+ Treg suppress local anti-tumor immune responses and are often associated with poor prognosis. Markers that are selectively expressed on tumor-infiltrating Treg may serve as targets for immunotherapy of cancer. Here we show that CD103, an...

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3 Rapp, Moritz