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Why monkey studies may mislead research on cancer immunotherapy drugs targeting TIGIT

Researchers have discovered that rhesus macaques shed TIGIT from immune cell surfaces when exposed to plasmin, a natural enzyme involved in blood clot breakdown. This creates a soluble form of TIGIT that can still bind anti-TIGIT monoclonal antibodies, potentially leading to misleading safety and efficacy data for human trials.

SourceUniversity of California - Davis Health·JournalJournal of Biological Chemistry·TypeExperimental study·DateNov 24, 2025

Nasal therapeutic vaccine for treating cervical cancer

Researchers at Chiba University have developed a nasal therapeutic vaccine targeting E7 oncoprotein, which is produced by high-risk strains of HPV associated with cervical cancer. The vaccine triggers an immune response in the cervical mucosa, providing local protection against pathogens and foreign particles.

SourceChiba University·JournalScience Translational Medicine·TypeExperimental study·DateNov 12, 2025