{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"institution":[{"name":"bioRxiv"}],"indexed":{"date-parts":[[2026,8,18]],"date-time":"2026-08-18T15:52:45Z","timestamp":1787068365042,"version":"build-2736575974"},"posted":{"date-parts":[[2023,12,18]]},"group-title":"Synthetic Biology","reference-count":45,"publisher":"openRxiv","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"accepted":{"date-parts":[[2023,12,18]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                <jats:p>\n                  Cell differentiation and tissue specialization lead to unique cellular surface landscapes and exacerbated or loss of expression patterns can result in further heterogenicity distinctive of pathological phenotypes\n                  <jats:sup>1\u20133<\/jats:sup>\n                  . Immunotherapies and emerging protein therapeutics seek to exploit such differences by engaging cell populations selectively based on their surface markers. Since a single surface antigen rarely defines a specific cell type\n                  <jats:sup>4,5<\/jats:sup>\n                  , the development of programmable molecular systems that integrate multiple cell surface features to convert on-target inputs to user-defined outputs is highly desirable. Here, we describe an autonomous decision-making protein device driven by proximity-gated protein\n                  <jats:italic>trans<\/jats:italic>\n                  -splicing that allows local generation of an active protein from two otherwise inactive fragments. We show that this protein actuator platform can perform various Boolean logic operations on cell surfaces, allowing highly selective recruitment of enzymatic and cytotoxic activities to specific cells within mixed populations. Due to its intrinsic modularity and tunability, this technology is expected to be compatible with different types of inputs, targeting modalities and functional outputs, and as such will have broad application in the synthetic biology and biotechnology areas.\n                <\/jats:p>","DOI":"10.1101\/2023.12.18.572113","type":"posted-content","created":{"date-parts":[[2023,12,18]],"date-time":"2023-12-18T15:55:12Z","timestamp":1702914912000},"source":"Crossref","is-referenced-by-count":1,"title":["Cell surface sculpting using logic-gated protein actuators"],"prefix":"10.64898","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-8258-5887","authenticated-orcid":false,"given":"Christian","family":"Kofoed","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-4063-8880","authenticated-orcid":false,"given":"Nicholas E. 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