Veronique M. Hellmund

ORCID: 0000-0003-1703-0639
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About
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Research Areas
  • Cancer Immunotherapy and Biomarkers
  • CAR-T cell therapy research
  • Immune Cell Function and Interaction
  • Immune Response and Inflammation
  • T-cell and B-cell Immunology
  • Psoriasis: Treatment and Pathogenesis
  • Cell Adhesion Molecules Research
  • Advanced Antenna and Metasurface Technologies
  • Electromagnetic wave absorption materials
  • Atherosclerosis and Cardiovascular Diseases
  • Carbon and Quantum Dots Applications
  • Immunotherapy and Immune Responses

Philipps University of Marburg
2020-2023

Abstract Intratumoral cytotoxic CD8+ T cells (CTL) enter a dysfunctional state characterized by expression of coinhibitory receptors, loss effector function, and changes in the transcriptional landscape. Even though several regulators T-cell exhaustion have been identified, molecular mechanisms inducing remain unclear. Here, we show that IL18 receptor (IL18R) signaling induces murine pancreatic cancer model. Adoptive transfer Il18r−/− OT-1 CTLs resulted enhanced rejection subcutaneous tumors...

10.1158/2326-6066.cir-22-0398 article EN Cancer Immunology Research 2023-02-09

<div>Abstract<p>Intratumoral cytotoxic CD8<sup>+</sup> T cells (CTL) enter a dysfunctional state characterized by expression of coinhibitory receptors, loss effector function, and changes in the transcriptional landscape. Even though several regulators T-cell exhaustion have been identified, molecular mechanisms inducing remain unclear. Here, we show that IL18 receptor (IL18R) signaling induces murine pancreatic cancer model. Adoptive transfer...

10.1158/2326-6066.c.6534760.v2 preprint EN 2023-04-04

<div>Abstract<p>Intratumoral cytotoxic CD8<sup>+</sup> T cells (CTL) enter a dysfunctional state characterized by expression of coinhibitory receptors, loss effector function, and changes in the transcriptional landscape. Even though several regulators T-cell exhaustion have been identified, molecular mechanisms inducing remain unclear. Here, we show that IL18 receptor (IL18R) signaling induces murine pancreatic cancer model. Adoptive transfer...

10.1158/2326-6066.c.6534760 preprint EN 2023-04-03

<div>Abstract<p>Intratumoral cytotoxic CD8<sup>+</sup> T cells (CTL) enter a dysfunctional state characterized by expression of coinhibitory receptors, loss effector function, and changes in the transcriptional landscape. Even though several regulators T-cell exhaustion have been identified, molecular mechanisms inducing remain unclear. Here, we show that IL18 receptor (IL18R) signaling induces murine pancreatic cancer model. Adoptive transfer...

10.1158/2326-6066.c.6534760.v1 preprint EN 2023-04-03

Einleitung Durch Multiphotonenmikroskopie (MPM) können dreidimensionale Bilder von komplexen Geweben erzeugt werden. So ist die mikroskopische Untersuchung intratumoralen T-Zellen in vivo/in situ möglich. Intratumorale sind durch einen Verlust der Effektorfunktion gekennzeichnet, ein Phänomen, das als Exhaustion bekannt ist. In unserem Projekt werden CD8+ zytotoxische (CTL) auf Nlrp3/IL-18/IL-1β-vermittelte Mechanismen T-zellulären Dysfunktion untersucht.

10.1055/s-0040-1716067 article DE Zeitschrift für Gastroenterologie 2020-08-01

Einleitung In duktale Adenokarzinome des Pankreas infiltrierende CD8+ zytotoxische T-Zellen (CTL) zeigen reduzierte Effektorfunktionen; dieser dysfunktionale Zustand wird T cell exhaustion genannt. Die proinfammatorischen Zytokine IL-1β und IL-18 spielen bei der Differenzierung von CTL eine wichtige Rolle. Deren Effektorfunktion über Antigen-abhängige Kontakte mit Zielzellen vermittelt; daher ist das Migrations- Interaktionsverhalten intratumoraler entscheidend für die Tumorimmunabwehr.

10.1055/s-0041-1733560 article DE Zeitschrift für Gastroenterologie 2021-09-01
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