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Related Experiment Videos

Retinoic acid signal transduction pathways

M Leid1, P Kastner, B Durand

  • 1Laboratoire de Génétique Moléculaire des Eucaryotes du CNRS U/184 de Biologie Moléculaire et de Génie Génétique de I'INSERM, Institut de Chimie Biologique-Faculté de Médecine, Strasbourg, France.

Annals of the New York Academy of Sciences
|June 11, 1993
PubMed
Summary

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The retinoid signaling system is complex due to various retinoic acid forms, binding proteins, and nuclear receptors. These interactions create diverse combinatorial effects, explaining retinoids

Area of Science:

  • Molecular Biology
  • Cell Signaling
  • Endocrinology

Background:

  • Retinoids, including retinoic acid, are crucial signaling molecules involved in numerous biological processes.
  • The retinoid signaling pathway is known to be complex, but the full extent of this complexity is not completely understood.

Purpose of the Study:

  • To elucidate the multifaceted nature of the retinoid signaling system.
  • To identify the key components contributing to the complexity of retinoic acid signaling.

Main Methods:

  • Analysis of retinoic acid forms and their differential activities.
  • Investigation of cytoplasmic binding proteins and nuclear receptors with distinct ligand specificities.
  • Examination of polymorphic retinoic acid response elements.

Related Experiment Videos

  • Study of heterodimeric interactions between nuclear retinoic acid receptors and other nuclear receptor superfamily members.

    • Main Results:

    • Multiple forms of retinoic acid exhibit distinct biological activities.
    • A variety of cytoplasmic binding proteins and nuclear receptors with specific ligand preferences are involved.
    • Polymorphic retinoic acid response elements contribute to pathway diversity.
    • Heterodimeric interactions between retinoic acid receptors and other nuclear receptors add further complexity.

    Conclusions:

    • The complexity of retinoid signaling arises from the interplay of diverse retinoic acid forms, binding proteins, nuclear receptors, and response elements.
    • Heterodimeric interactions significantly expand the regulatory network within the retinoid system.
    • These combinatorial effects provide a molecular basis for the pleiotropic actions of retinoids.