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The TGF-beta family and its composite receptors

J Massagué1, L Attisano, J L Wrana

  • 1Howard Hughes Medical Institute and Cell Biology and Genetics Program, Memorial Sloan-Kettering Cancer Center, New York, NY 10021, USA.

Trends in Cell Biology
|May 1, 1994
PubMed

Insights

Transforming growth factor beta (TGF-beta) family proteins are key regulators of animal development. These factors utilize complex receptor structures composed of two essential transmembrane kinases, enabling their diverse signaling functions.

Area of Science:

  • Cellular biology
  • Molecular biology
  • Biochemistry

Background:

  • The transforming growth factor beta (TGF-beta) family encompasses crucial regulators of animal growth and development.
  • These signaling molecules are known for their versatile roles in mediating growth and differentiation processes.

Purpose of the Study:

  • To investigate the structural basis of TGF-beta signaling.
  • To understand how TGF-beta family members achieve their multifunctional nature through receptor interactions.

Main Methods:

  • Analysis of receptor complex composition.
  • Investigating the role of transmembrane serine/threonine kinases in signal transduction.

Main Results:

  • TGF-beta signaling involves receptors with unique structures.
  • Each receptor is a heteromeric complex of two distinct transmembrane serine/threonine kinases.
  • Both kinase components are indispensable for effective signal transmission.

Conclusions:

  • The structural complexity of TGF-beta receptors, involving dual kinase subunits, contributes to the diverse signaling capabilities of TGF-beta family members.
  • Understanding these receptor mechanisms provides insight into developmental regulation.

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