Embryonic expression of the transforming growth factor beta ligand and receptor genes in chicken

James R. Cooley, Tatiana A. Yatskievych, Parker B. Antin

Research output: Contribution to journalArticlepeer-review

18 Scopus citations


Background: Transforming growth factor-beta (TGFβ) signaling regulates a myriad of biological processes during embryogenesis, in the adult, and during the manifestation of disease. TGFβ signaling is propagated through one of three TGFβ ligands interacting with Type I and Type II receptors, and Type III co-receptors. Although TGFβ signaling is regulated partly by the combinatorial expression patterns of TGFβ receptors and ligands, a comprehensive gene expression analysis has not been published. Results: Here we report the embryonic mRNA expression patterns in chicken embryos of the canonical TGFβ ligands (TGFB1, TGFB2, and TGFB3) and receptors (TGFBR1, TGFBR2, TGFBR3), plus the Activin A receptor, type 1 (ACVR1) and co receptor Endoglin (ENG) that also transduce TGFβ signaling. Conclusions: TGFB ligands and receptors show dynamic and frequently overlapping expression patterns in numerous embryonic cell layers and structures. Integrating expression information identifies combinations of ligands and receptors that are involved in specific developmental processes including somitogenesis, cardiogenesis and vasculogenesis. Developmental Dynamics 243:497-508, 2014.

Original languageEnglish (US)
Pages (from-to)497-508
Number of pages12
JournalDevelopmental Dynamics
Issue number3
StatePublished - Mar 2014


  • Chicken
  • Gallus gallus
  • In situ hybridization
  • Transforming growth factor beta

ASJC Scopus subject areas

  • Developmental Biology


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