Related Experiment Video
Updated: Jun 25, 2025

In Vivo Immunogenicity Screening of Tumor-Derived Extracellular Vesicles by Flow Cytometry of Splenic T Cells
Published on: September 23, 2021
Immunogenic oncolysis by tigilanol tiglate
Jonathan G Pol1,2, Manuela Lizarralde-Guerrero1,2,3, Guido Kroemer1,2,4
1Centre de Recherche des Cordeliers, Equipe labellisée par la Ligue contre le cancer, Université de Paris Cité, Sorbonne Université, Paris, France.
Tigilanol tiglate, a pyroptosis inducer, triggers immunogenic cell death in cancers. It also enhances the effectiveness of immune checkpoint inhibitors like CTLA-4 and PD-1 when injected into tumors.
Area of Science:
- Oncology
- Immunology
Background:
- Tigilanol tiglate is an investigational oncolytic small molecule.
- Pyroptosis is a key mechanism in cancer cell death.
Purpose of the Study:
- To investigate the immunogenic cell death (ICD) properties of tigilanol tiglate.
- To assess the potential of tigilanol tiglate to sensitize tumors to immune checkpoint inhibitors.
Main Methods:
- Tigilanol tiglate was studied for its ability to induce ICD hallmarks.
- Subcutaneous cancer models were treated with tigilanol tiglate followed by immune checkpoint inhibitors.
Main Results:
- Tigilanol tiglate demonstrated the capacity to induce key features of immunogenic cell death.
- Intratumoral tigilanol tiglate administration sensitized tumors to CTLA-4 and PD-1 blockade.
Conclusions:
- Tigilanol tiglate shows promise as an oncolytic agent that can enhance anti-tumor immunity.
- Combination therapy with tigilanol tiglate and immune checkpoint inhibitors may represent a novel cancer treatment strategy.
Related Concept Videos
Tumor Immunotherapy
Cytotoxic T Cells-mediated Immune Response
Immunological surveillance is the ability of immune cells to monitor and eliminate infected cells with intracellular pathogens, neoplastically transformed cells, and cells with non-self antigens. Cytotoxic T cells and NK...
Targeted Cancer Therapies
There are several types of targeted therapies against...

