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XB-ART-10703
Genesis 2000 Jun 01;272:49-57.
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Mouse paraxial protocadherin is expressed in trunk mesoderm and is not essential for mouse development.

Yamamoto A, Kemp C, Bachiller D, Geissert D, De Robertis EM.


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Paraxial protocadherin (PAPC) is a cell adhesion molecule that marks cells undergoing convergence-extension cell movements in Xenopus and zebrafish gastrulating embryos. Here a mouse homologue (mpapc) was identified and characterized. During early- to mid-gastrulation, mpapc is expressed in the primitive streak as the trunk mesoderm undergoes morphogenetic cell movements. At head-fold stage mpapc expression becomes localized to paraxial regions in which somites are formed in the segmental plate. At later stages, mpapc displays a complex expression pattern in cerebral cortex, olfactory bulb, inferior colliculus, and in longitudinal stripes in hindbrain. To analyze the effect of the loss of PAPC function during mouse development, a null allele of the mouse papc gene was generated. Homozygous animals show no defects in their skeleton and are viable and fertile.

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Species referenced: Xenopus
Genes referenced: pcdh8 pcdh8.2