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delta-Protocadherins: unique structures and functions.

C Redies1, K Vanhalst, F van Roy

  • 1Institute of Anatomy I, University of Jena School of Medicine, 07740, Jena, Germany. redies@mti.uni-jena.de

Cellular and Molecular Life Sciences : CMLS
|November 2, 2005
PubMed
Summary
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Delta-protocadherins, a group of cell adhesion molecules, are phylogenetically divided into delta1 and delta2 subclasses. Their diverse splice forms and interactions suggest crucial roles in vertebrate development.

Area of Science:

  • Molecular Biology
  • Developmental Biology
  • Genetics

Background:

  • Delta-protocadherins are a class of cadherins with conserved cytoplasmic motifs.
  • Their gene structure is conserved across species, despite chromosomal differences.

Purpose of the Study:

  • To perform a phylogenetic analysis of delta-protocadherins.
  • To investigate their gene structure, splice forms, and potential functions in development.

Main Methods:

  • Phylogenetic analysis of delta-protocadherin genes.
  • Analysis of gene structure and splice variants.
  • Review of existing functional data, including in vitro and in vivo studies.

Main Results:

  • Delta-protocadherins are divided into delta1 (Pcdh1, 7, 9, 11/X/Y) and delta2 (Pcdh8, 10, 17, 18, 19) subclasses.

Related Experiment Videos

  • Multiple splice forms exist, primarily varying in cytoplasmic domains.
  • Some delta-protocadherins exhibit weak cell adhesion and binding interactions with signaling proteins like Frizzled 7.

    • Conclusions:

    • Delta-protocadherins possess conserved gene structures and diverse splice forms.
    • Their spatiotemporal expression and functional roles indicate involvement in vertebrate development.
    • These molecules likely play multiple, regulated functions during development.