Non-clustered protocadherin

Soo Young Kim, Shin Yasuda, Hidekazu Tanaka, Kanato Yamagata, Hyun Kim

Research output: Contribution to journalArticle

130 Citations (Scopus)

Abstract

The cadherin family is classified into classical cadherins, desmosomal cadherins and protocadherins (PCDHs). Genomic structures distinguish between PCDHs and other cadherins, and between clustered and non-clustered PCDHs. The phylogenetic analysis with full sequences of non-clustered PCDHs enabled them to be further classified into three subgroups: δ1 (PCDH1, PCDH7, PCDH9, PCDH11 and PCDH20), δ2 (PCDH8, PCDH10, PCDH12, PCDH17, PCDH18 and PCDH19) and ε (PCDH15, PCDH16, PCDH21 and MUCDHL). ε-PCDH members except PCDH21 have either higher or lower numbers of cadherin repeats than those of other PCDHs. Non-clustered PCDHs are expressed predominantly in the nervous system and have spatiotemporally diverse expression patterns. Especially, the region-specific expressions of non-clustered PCDHs have been observed in cortical area of early postnatal stage and in caudate putaman and/or hippocampal formation of mature brains, suggesting that non-clustered PCDHs play roles in the circuit formation and maintenance. The non-clustered PCDHs appear to have homophilic/heterophilic cell-cell adhesion properties, and each member has diverse cell signaling partnership distinct from those of other members (PCDH7/TAF1; PCDH8/TAO2β; PCDH10/Nap1; PCDH11/β-catenin; PCDH18/mDab1). Furthermore, each PCDH has several isoforms with differential cytoplasmic sequences, suggesting that one PCDH isoform could activate intracellular signaling differential from other isoforms. These facts suggest that non-clustered PCDHs play roles as a mediator of a regulator of other molecules as well as cell-cell adhesion. Furthermore, some non-clustered PCDHs have been considered to be involved in neuronal diseases such as autism-spectrum disorders, schizophrenia and female-limited epilepsy and cognitive impairment, suggesting that they play multiple, tightly regulated roles in normal brain function. In addition, some non-clustered PCDHs have been suggested as candidate tumor suppressor genes in several tissues. Although molecular adhesive and regulatory properties of some PCDHs began to be unveiled, the endeavor to understand the molecular mechanism of non-clustered PCDH is still in its infancy and requires future study.

Original languageEnglish
Pages (from-to)97-105
Number of pages9
JournalCell Adhesion and Migration
Volume5
Issue number2
DOIs
Publication statusPublished - 2011 Mar 1

Fingerprint

Cadherins
Protein Isoforms
Cell Adhesion
Desmosomal Cadherins
Catenins
Brain
Tumor Suppressor Genes
Adhesives
Nervous System
Epilepsy
Hippocampus
Schizophrenia
Maintenance

Keywords

  • Cancer
  • Cell adhesion
  • Gene structure
  • Intracellular signaling
  • Neural disease
  • Non-clustered protocadherins

ASJC Scopus subject areas

  • Cell Biology
  • Cellular and Molecular Neuroscience

Cite this

Kim, S. Y., Yasuda, S., Tanaka, H., Yamagata, K., & Kim, H. (2011). Non-clustered protocadherin. Cell Adhesion and Migration, 5(2), 97-105. https://doi.org/10.4161/cam.5.2.14374

Non-clustered protocadherin. / Kim, Soo Young; Yasuda, Shin; Tanaka, Hidekazu; Yamagata, Kanato; Kim, Hyun.

In: Cell Adhesion and Migration, Vol. 5, No. 2, 01.03.2011, p. 97-105.

Research output: Contribution to journalArticle

Kim, SY, Yasuda, S, Tanaka, H, Yamagata, K & Kim, H 2011, 'Non-clustered protocadherin', Cell Adhesion and Migration, vol. 5, no. 2, pp. 97-105. https://doi.org/10.4161/cam.5.2.14374
Kim SY, Yasuda S, Tanaka H, Yamagata K, Kim H. Non-clustered protocadherin. Cell Adhesion and Migration. 2011 Mar 1;5(2):97-105. https://doi.org/10.4161/cam.5.2.14374
Kim, Soo Young ; Yasuda, Shin ; Tanaka, Hidekazu ; Yamagata, Kanato ; Kim, Hyun. / Non-clustered protocadherin. In: Cell Adhesion and Migration. 2011 ; Vol. 5, No. 2. pp. 97-105.
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