Publications de Iraklis Kourtis

Ccr7 ligand delivery and co-delivery in immunotherapy

Jeffrey Alan Hubbell, Melody Swartz, Alice Anna Tomei, Iraklis Kourtis

Chemokines may be administered to a patient for immunotolerization. Chemokines include CCL19 and CCL21. Materials and methods for accomplishing tolerization and described. ...

2017

6-Thioguanine-loaded polymeric micelles deplete myeloid-derived suppressor cells and enhance the efficacy of T cell immunotherapy in tumor-bearing mice

Jeffrey Alan Hubbell, Melody Swartz, Laura Jeanbart, Iraklis Kourtis

Myeloid-derived suppressor cells (MDSCs) are a heterogeneous population of immature myeloid cells that suppress effector T cell responses and can reduce the efficacy of cancer immunotherapies. We previously showed that ultra-small polymer nanoparticles eff ...

Springer2015

Engineering antigens for in situ erythrocyte binding induces T-cell deletion

Jeffrey Alan Hubbell, Stephane Kontos, Iraklis Kourtis, Karen Dane

Antigens derived from apoptotic cell debris can drive clonal T-cell deletion or anergy, and antigens chemically coupled ex vivo to apoptotic cell surfaces have been shown correspondingly to induce tolerance on infusion. Reasoning that a large number of ery ...

Natl Acad Sciences2013

Peripherally Administered Nanoparticles Target Monocytic Myeloid Cells, Secondary Lymphoid Organs and Tumors in Mice

Jeffrey Alan Hubbell, Melody Swartz, Sachiko Hirosue, Alexandre de Titta, Stephane Kontos, Iraklis Kourtis

Nanoparticles have been extensively developed for therapeutic and diagnostic applications. While the focus of nanoparticle trafficking in vivo has traditionally been on drug delivery and organ-level biodistribution and clearance, recent work in cancer biol ...

Public Library of Science2013

Therapeutic Immunomodulation of the Lymphoid-like Tumor Environment Using Nanoparticulate Formulations

Iraklis Kourtis

Cancer is a leading cause of death worldwide. Understanding the underlying mechanisms that lead to tumor escape and evasion is pivotal for the design of new therapeutic applications. This thesis takes an immunobioengineering approach, and navigates through ...

EPFL2012

Induction of lymphoidlike stroma and immune escape by tumors that express the chemokine CCL21

Melody Swartz, Alice Anna Tomei, Iraklis Kourtis

Tumor manipulation of host immunity is important for tumor survival and invasion. Many cancers secrete CCL21, a chemoattractant for various leukocytes and lymphoid tissue inducer cells, which drive lymphoid neogenesis. CCL21 expression by melanoma tumors i ...

American Association for the Advancement of Science2010