Crossref journal-article
The Company of Biologists
Development (237)
Abstract

ABSTRACT The mechanisms that regulate patterning and growth of the developing cerebral cortex remain unclear. Suggesting a role for Wnt signaling in these processes, multiple Wnt genes are expressed in selective patterns in the embryonic cortex. We have examined the role of Wnt-3a signaling at the caudomedial margin of the developing cerebral cortex, the site of hippocampal development. We show that Wnt-3a acts locally to regulate the expansion of the caudomedial cortex, from which the hippocampus develops. In mice lacking Wnt-3a, caudomedial cortical progenitor cells appear to be specified normally, but then underproliferate. By mid-gestation, the hippocampus is missing or represented by tiny populations of residual hippocampal cells. Thus, Wnt-3a signaling is crucial for the normal growth of the hippocampus. We suggest that the coordination of growth with patterning may be a general role for Wnts during vertebrate development.

Bibliography

Lee, S. M. K., Tole, S., Grove, E. A., & McMahon, A. P. (2000). A local Wnt-3a signal is required for development of the mammalian hippocampus. Development, 127(3), 457–467.

Authors 4
  1. Scott M. K. Lee (first)
  2. Shubha Tole (additional)
  3. Elizabeth A. Grove (additional)
  4. Andrew P. McMahon (additional)
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Dates
Type When
Created 4 years, 4 months ago (April 26, 2021, 12:23 a.m.)
Deposited 1 year, 10 months ago (Oct. 9, 2023, 9:24 a.m.)
Indexed 2 days, 12 hours ago (Sept. 3, 2025, 6:04 a.m.)
Issued 25 years, 7 months ago (Feb. 1, 2000)
Published 25 years, 7 months ago (Feb. 1, 2000)
Published Online 25 years, 7 months ago (Feb. 1, 2000)
Published Print 25 years, 7 months ago (Feb. 1, 2000)
Funders 0

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@article{Lee_2000, title={A local Wnt-3a signal is required for development of the mammalian hippocampus}, volume={127}, ISSN={1477-9129}, url={http://dx.doi.org/10.1242/dev.127.3.457}, DOI={10.1242/dev.127.3.457}, number={3}, journal={Development}, publisher={The Company of Biologists}, author={Lee, Scott M. K. and Tole, Shubha and Grove, Elizabeth A. and McMahon, Andrew P.}, year={2000}, month=feb, pages={457–467} }