ArticleTheranostics2026
An αvβ6/αvβ8-targeting peptibody inhibits integrin-dependent TGFβ activation, enables tumor-selective cytotoxic delivery, and synergizes with PD-L1 immune checkpoint blockade.
Article in Theranostics, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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17 authors.
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Abstract
Background: The αvβ6 and αvβ8 integrins are upregulated in many solid-tumors and drive local activation of transforming growth factor-β (TGFβ), promoting immune evasion and resistance to immune checkpoint blockade. The chromogranin A-derived peptide Methods: Peptide Results: Conclusion: These peptibodies represent a dual-selective αvβ6/αvβ8-targeting platform that couples potent blockade of integrin-dependent TGFβ activation with efficient, selective delivery of cytotoxic payloads to cancer cells. These properties, together with the observed synergism with anti-PD-L1 mAbs, suggest their potential use as ligands for delivering cytotoxic agents to tumors, while concomitantly modulating the TGFβ-driven immunosuppressive microenvironment, either alone or in combination with ICIs.
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