IRVINE, Calif., Sept. 24, 2026 /PRNewswire/ -- Amberstone Biosciences, Inc., a preclinical-stage oncology company developing pH-gated, tumor-activated T-cell engagers (TCEs), today announced a collaboration and license agreement with Shanghai Henlius Biotech, Inc., a commercial-stage biopharmaceutical company (2696.HK). Under the agreement, Amberstone will work with Henlius to apply its proprietary T-MATE™ (Tumor Microenvironment Activated ThErapeutics) platform technology to generate preclinica