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Dario Vignali

Dario Vignali

Program: Cancer Immunology and Immunotherapy

(412) 624-7930 dvignali@pitt.edu The Assembly
5051 Centre Ave
Pittsburgh PA
Summary

Our research focuses on various aspects of T cell regulation and function:

(1) Mechanistic Focus:

     (a) Immune Regulation: Regulatory T cells (Tregs): Identification of novel Treg molecules and their function; mechanism of Treg function; regulation of Treg stability via Nrp1 and other pathways; IL-35 signaling and mechanism of action; novel Ebi3 binding partner; IL-10 & IFNy function; neuron-immune interactions.

     (b) Immune Regulation: Inhibitory Molecules: Identification of novel inhibitory receptors (IR) and their mechanisms; immune modulation of T cell subsets by LAG3; PD1 and NRP1; PD1-LAG3 synergy; mechanism of CD8+ and CD4_ T cell exhaustion; protein engineering to develop novel therapeutics.

     (c) Structure-function analysis of T cell receptor (TCR):CD3 complex and LAG3 signaling: Mechanism of TCR:CD3 signaling; modulation & control of TCR signaling by IRs.

     (d) Systems Immunology: Single cell systems approaches (transcriptomic & epigenomic) to hypothesis test, hypthesis generate and discover; technology and algorithm development; multispectral imaging.

(2) Disease Focus:

     (a) Cancer: Biology of LAG3/PD1, IL-35 and NRP1 in mouse models of cancer and also in samples from treatment-naive patients or immunotherapy recipients; primary focus on solid tumors – head & neck, melanoma, lung, ovarian, breast cancer, with some work on pancreatic, GI and glioma cancers, and pediatric solid malignancies; novel approaches for therapeutic translation; biomarker discovery.

     (b) Autoimmune and Inflammatory Disease: Impact, function & insufficiency of Tregs and IRs in several autoimmune and inflammatory disease with emphasis on models of autoimmune diabetes (NOD), EAE and asthma; development of therapeutic approaches (enhance Treg stability; IR agonists.

Research Interests and Keywords
  • cytokine signaling
  • regulatory T cells
  • Tumor Immunology
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