Similarities and Differences Between the Wnt and Reelin Pathways in the Forming Brain

Overview

Journal Mol Neurobiol

Specialties Molecular Biology
Neurology

Date 2005 Jun 15

PMID 15953816

Citations 5

Authors

Orly Reiner

Tamar Sapir

Affiliations

Soon will be listed here.

Abstract

One of the key features in development is the reutilization of successful signaling pathways. Here, we emphasize the involvement of the Wnt pathway, one of the five kinds of signal transduction pathway predominating early embryonic development of all animals, in regulating the formation of brain structure. We discuss the interrelationships between the Wnt and reelin pathways in the regulation of cortical layering. We summarize data emphasizing key molecules, which, when mutated, result in abnormal brain development. This integrated view, which is based on conservation of pathways, reveals the relative position of participants in the pathway, points to control mechanisms, and allows raising testable working hypotheses. Nevertheless, although signaling pathways are highly conserved from flies to humans, the overall morphology is not. We propose that future studies directed at understanding of diversification will provide fruitful insights on mammalian brain formation.

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