Abstract: The present invention provides antibodies directed against ICOS or a derivative thereof which neutralize ICOS engagement on Treg by inhibiting the fixation between ICOS and ICOS-L and abrogate proliferation of Treg induced by plasmacytoid dendritic cells. The present invention further provides antibodies directed against ICOS or a derivative thereof which induce IL-10 and IFN? production, induce CD4? T cells proliferation, reduce Tconv proliferation, and increase the immunosuppressive function of Treg.
Type:
Grant
Filed:
June 26, 2019
Date of Patent:
April 28, 2020
Assignees:
INSERM (Institut National de la Santéet de la Recherche Medicale), Institut Jean Paoli & Irene Calmettes, Universitéd'Aix-Marseille, Universite Claude Bernerd—Lyon }, Centre Leon Berard
Inventors:
Julien Faget, Christophe Caux, Christine Menetrier-Caux, Jacques Nunes, Daniel Olive