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Programmable DNA-targeting therapeutics are an experimental idea: a drug that reads a cell's DNA, recognises a cancer-specific sequence, and kills only cells that carry it. Change the guide, and the same drug becomes a new drug.
Sequence-programmable therapeutics aim to act at the DNA level rather than the protein level, in principle reaching drivers with no druggable protein pocket (MYC, TP53 loss, APC loss). Conceptual relatives include CRISPR-based transcriptional or lethal editing, sequence-specific DNA-binding toxins, and synthetic gene circuits that fire on a mutant sequence. FinalDose (Y Combinator Spring 2026) is the most visible company pursuing a programmable 'guide + kill switch' platform; no peer-reviewed data, IND, or clinical trial had been disclosed by September 2026. Delivery to tumour cells in vivo, off-target recognition, and immunogenicity are the known barriers for every DNA-level modality to date.
A guide component recognises a defined genomic sequence inside the cell; recognition triggers an effector (nuclease, toxin, or transcriptional switch) that kills or disables the cell. Healthy cells lacking the sequence are, in theory, untouched.
Query for this technology: (TITLE:"Programmable DNA-targeting therapeutics" OR ABSTRACT:"Programmable DNA-targeting therapeutics") AND (cancer OR tumor OR tumour OR oncology OR carcinoma OR lymphoma OR leukemia OR leukaemia OR myeloma OR sarcoma OR melanoma OR glioma). Results are unfiltered search hits about Programmable DNA-targeting therapeutics, not a curated reading list.
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