Beeta Benjy, Science and Medical Content Writer, Communications Specialist, shared a post on LinkedIn:
“Nature reveals a dual-targeting CAR-T architecture that dismantles the solid tumor microenvironment in glioblastoma.
A major piece of the puzzle regarding the failure of CAR-T therapies in solid tumors was just published in Nature.
Researchers have successfully demonstrated that simultaneously targeting both the malignant cells and the tumor’s immunosuppressive shield serves as a highly effective, independent driver of survival in aggressive brain cancer.
Here is the clinical breakdown of the data:
The study utilized in vivo models of glioblastoma to evaluate the efficacy of a novel, dual-action chimeric antigen receptor (CAR) T cell design.
Utilizing advanced cellular engineering, researchers mapped the complex interplay between GPNMB expression on malignant tumors and the surrounding tumor-associated macrophages.
The data established GPNMB as a critical dual-vulnerability: the protein is robustly expressed on glioblastoma cells and heavily concentrated on the recruited host macrophages that actively drive treatment failure.
The findings decouple CAR-T efficacy from being an exclusively liquid-tumor phenomenon, proving that systematically dismantling the broader tumor-myeloid ecosystem is a primary driver of immunotherapeutic success in solid tumors.
Integrating dual tumour – myeloid targeting into standard cellular therapies could radically improve patient outcomes. The data suggests that neutralizing the tumor’s defensive microenvironment while attacking the cancer itself represents a highly viable strategy to conquer refractory glioblastoma.”
Title: Dual tumour–myeloid targeting of glioblastoma with GPNMB CAR-T cells
Authors: Neil Savage, Shan Grewal, Muhammad Vaseem Shaikh, Franz J. Zemp, Dillon Mckenna, Nicholas Mikolajewicz, Hinda Najem, Joanna Pyczek, Jiuran Wei, Mohamed A. B. Taleb, Lucas C. Asselstine, Alisha Anand, Shawn C. Chafe, Kui Zhai, William T. Maich, Chirayu R. Chokshi, Hardikkumar Patel, Tiegan E. Korman, Minomi Subapanditha, Zoya Tabunshchyk, Nazanin Tatari, Petar Miletic, David Chen, Sebastian Pacheco, Abdelsimar T. Omar, Bill Wang, Hong Han, Jennifer A. Chan, Kevin R. Brown, Chitra Venugopal, Thomas Kislinger, Amy B. Heimberger, Jason Moffat, Douglas J. Mahoney, Sheila K. Singh
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