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April 5, 2026Cancer Research

Abstract 5646: Fully human monoclonal antibodies for antibody drug conjugate development to a cell surface target expressed in cancers with unmet needs.

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Authors

GSGinette SerreroJMJorge MarquezJDJianping Dong

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Overview

Research identifies PTGFRN as a promising target for antibody drug conjugates, suggesting new therapies for cancers with unmet needs.

Key Points

  • The aim is to develop targeted therapies by identifying cell surface targets overexpressed in cancers with poor prognosis.
  • Identified PTGFRN as an internalizing, overexpressed protein in cancers.
  • Developed fully human monoclonal antibodies using humanized transgenic mice.
  • Conducted screening assays to select high-affinity internalizing antibodies.
  • Tested antibody-drug conjugates (ADCs) in vitro and in vivo for efficacy.
  • PTGFRN was associated with key steps in cancer metastasis.
  • ADCs demonstrated efficacy in inhibiting cancer cell proliferation and tumor formation.
  • No effect was observed on PTGFRN negative human cell lines.

Cite This Study

Serrero et al. (2026) studied this question.

synapsesocial.com/papers/69d1fe07a79560c99a0a4783https://doi.org/10.1158/1538-7445.am2026-5646
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