Emerging Roles of TGF-β Co-receptors in Human Disease

  • Alison E. Meyer
  • Karthikeyan Mythreye
  • Gerard C. Blobe


TGF-β signaling is both regulated and mediated by signaling co-receptors. Several TGF-β co-receptors have been identified including endoglin (CD105), the type III TGF-β receptor (TβRIII, betaglycan), neuropilin-1/2, syndecan-2, CD109, and LRP1. These co-receptors serve diverse functions including the regulation of ligand access to other TGF-β receptors and receptor trafficking. The TGF-β co-receptors can also signal directly. The TGF-β co-receptors are broadly expressed, have essential roles in embryonic development, and are frequently altered during disease progression. TGF-β co-receptors regulate cancer initiation and progression through effects on cell growth, migration, invasion, proliferation, and angiogenesis. In addition to their roles in cancer, these co-receptors are dysregulated during development, in vascular disease and fibrotic disorders. Collectively, the TGF-β co-receptors influence disease biology through complex mechanisms involving the regulation of growth factor-dependent and independent signaling events as well as through interactions with diverse scaffolding protein partners.


Angiogenesis Betaglycan Cancer Co-receptors Development Disease Endoglin Fibrosis Neuropilin Syndecan TGF-β TβRIII 


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Copyright information

© Springer 2013

Authors and Affiliations

  • Alison E. Meyer
    • 1
  • Karthikeyan Mythreye
    • 1
  • Gerard C. Blobe
    • 1
  1. 1.Division of Medical Oncology, Departments of Medicine, Pharmacology and Cancer BiologyDuke University Medical CenterDurhamUSA

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